CN221334750U - Blood centrifuge capable of realizing automatic separation by utilizing centrifugal force - Google Patents

Abstract

The utility model relates to a blood centrifuge with an automatic separation function by utilizing centrifugal force, and relates to the technical field of blood component manufacturing equipment. Comprising the following steps: the fixed subassembly is connected to the rotating assembly of centrifugal chamber bottom, sets up in the centrifugal chamber and with the fixed horizontal rotor of rotor shaft adaptation combination, fixed storehouse that sets up on the fixed horizontal rotor, blood separation control assembly, with fixed storehouse assorted adapter. The blood components in the blood separation bags on the fixed horizontal rotor are layered and automatically separated by utilizing the liquid level difference through the rotation and centrifugation of the motor rotor shaft, and the known red blood cell pressure product or red blood cell sensor is used for controlling the electric pinch valve, so that the blood centrifugation and the separation of the components are synchronously completed, and the working time is shortened; the waterproof electric slip ring integrated on the rotor shaft provides electric power guarantee for normal operation of the automatic separation control equipment.

Description

Blood centrifuge capable of realizing automatic separation by utilizing centrifugal force

Technical Field

The utility model relates to the technical field of separation and extraction of blood components, in particular to a blood centrifuge which utilizes centrifugal force to realize automatic separation of blood components.

Background

A blood centrifuge is a device for separating blood cells from plasma in blood, and the time required for centrifugal separation of different kinds of blood components varies. The centrifugal machine is mainly used for separating solid particles from liquid in suspension or separating two liquids which are different in density and are mutually insoluble in the emulsion; it can also be used to reject liquids from wet solids.

At present, three steps of leukocyte filtering, centrifugation and component separation are needed for preparing blood components, so that the working time of preparation personnel is longer, the operation links are more and the process is complicated. Some mechanical damage to red blood cells can also occur during the process of filtering white blood cells, and a portion of the blood can also be lost. Platelets which are urgently needed in clinical medical treatment cannot be collected, and waste of blood resources is caused. In the prior art, no device capable of automatically centrifuging and separating blood is available, and particularly, under the action of centrifugal force, the blood components are automatically separated by utilizing the liquid level difference; under the action of the known electric pinch valve controlled by the erythrocyte pressure or the erythrocyte sensor, the centrifugal machine for automatically separating the blood is simple in structure and high-efficiency in which the blood centrifugation and separation of the component blood are synchronously completed.

Accordingly, based on the above-mentioned technical problems, there is a need for developing a blood centrifuge that automatically separates blood components using centrifugal force.

Disclosure of utility model

The utility model aims to provide a blood centrifuge which has novel structure and high efficiency, realizes centrifugation and automatic separation of components during blood component preparation and has the function of realizing automatic separation by utilizing centrifugal force.

In order to achieve the above object, the present utility model provides the following technical solutions:

a blood centrifuge of the present utility model for realizing automatic separation by centrifugal force, the blood centrifuge comprising:

The centrifugal machine comprises a fixing component, a centrifugal chamber and a fixing component, wherein the fixing component supports a centrifugal chamber through a centrifugal machine supporting leg, and the centrifugal chamber is provided with an organic cover;

the rotating assembly is integrated at the bottom of the fixed assembly and comprises a driving motor, a rotor shaft is arranged on a rotating shaft of the driving motor, and the rotor shaft extends into the centrifugal chamber from the central position of the bottom of the centrifugal chamber; and

A stationary horizontal rotor disposed within the centrifugal chamber and connected to the rotor shaft;

The fixed horizontal rotor is provided with a fixed bin, a red blood cell sensor, a pinch valve and a fixed cover plate device;

The blood centrifuge further comprises:

An adapter adapted to a stationary bin of the stationary horizontal rotor;

multiple blood collection bags;

a cover plate for fixing the separation bag;

A display screen;

And the code scanner and the controller.

Further, a fixed plate is arranged at the bottom of the centrifugal chamber, and the driving motor is connected with the fixed plate through a first connecting plate and a damping spring;

The waterproof electric slip ring is arranged on the fixed plate, a stator of the waterproof electric slip ring is fixed on the fixed plate, and a rotor of the waterproof electric slip ring is arranged on the rotor shaft;

The waterproof electric slip ring is connected with an output line, and the output line extends upwards along the axial direction of the rotor shaft and is connected with the erythrocyte sensor and the electric pinch valve on the fixed horizontal rotor.

Further, the fixed bin is divided into six areas, and a first fixed bin area, a second fixed bin area, a third fixed bin area, a fourth fixed bin area, a fifth fixed bin area and a sixth fixed bin area are arranged in each area;

The first region of the fixed bin and the second region of the fixed bin are matched with the first blood separation bag placement region and the second blood separation bag placement region of the adapter;

The two sides of the first area and the second area of the fixed bin are provided with a third area and a fourth area of the fixed bin;

A fixed bin fifth region and a fixed bin sixth region are arranged below the fixed bin first region, the fixed bin second region, the fixed bin third region and the fixed bin fourth region;

a first T-shaped fixing hole and a second T-shaped fixing hole are respectively formed in the two sides of the first area and the second area of the fixing bin and above the third area and the fourth area of the fixing bin; a clamping groove is formed below the T-shaped fixing hole;

A first I-shaped cover plate fixing block and a second I-shaped cover plate fixing block are respectively arranged between the first area and the second area of the fixed bin and the fifth area and the sixth area of the fixed bin; the I-shaped cover plate fixing block is provided with two I-shaped cover plate fixing holes;

A first II type cover plate fixing block and a second II type cover plate fixing block are respectively arranged between the third region and the fourth region of the fixed bin and the fifth region and the sixth region of the fixed bin; the II-type cover plate fixing block is provided with two II-type cover plate fixing holes;

the third region and the fourth region of the fixed bin are matched with the first red blood cell collecting bag placing region and the second red blood cell collecting bag placing region of the adapter;

The fifth region of the fixed bin and the sixth region of the fixed bin are matched with the first platelet collection bag placement region and the second platelet collection bag placement region of the adapter;

And the inner walls of the two sides of the first area of the fixed bin and the second area of the fixed bin are respectively embedded with a transmitter and a receiver of the red blood cell sensor.

Further, the bottom of the electric pinch valve extends downwards to the inside of the fixed horizontal rotor, the head of the electric pinch valve is arranged on the fixed horizontal rotor, and a first collecting pipeline fixing block and a second collecting pipeline fixing block are arranged on two sides of each electric pinch valve; the electric pinch valve comprises a first red blood cell pipeline pinch valve, a second red blood cell pipeline pinch valve, a first platelet pipeline pinch valve and a second platelet pipeline pinch valve; and a first pinch valve identification code and a second pinch valve identification code are correspondingly stuck beside the first red blood cell pipeline pinch valve and the second red blood cell pipeline pinch valve.

Further, the adapter is adapted to the fixed bin; the adapter comprises a blood separation bag placing area, a red blood cell collecting bag placing area and a platelet collecting bag placing area, and the upper parts of the placing areas are connected into a whole through a second connecting plate;

The blood separation bag placing area comprises a blood separation bag body placing area matched with the blood separation bag, a front fixing area of the blood separation bag, a rear fixing area of the blood separation bag and a red blood cell sensor detecting hole positioned at the rear part of the blood separation bag body placing area;

the blood separation bag placement area is divided into a first blood separation bag placement area and a second blood separation bag placement area;

the red blood cell collecting bag placing area is matched with the red blood cell collecting bag;

The red blood cell collecting bag placing area is divided into a first red blood cell collecting bag placing area and a second red blood cell collecting bag placing area;

the platelet collection bag placement area is matched with the platelet collection bag;

The platelet collection bag placement area is divided into a first platelet collection bag placement area and a second platelet collection bag placement area;

Two first fixed block access holes and two second fixed block access holes are formed in the second connecting plate between the blood separation bag placing area, the red blood cell collecting bag placing area and the blood platelet collecting bag placing area; the first fixed block access hole is matched with the I-shaped cover plate fixed block; the second fixed block access hole) is matched with the type II cover plate fixed block.

Further, the multi-connection blood collection bag comprises a blood collection bag, a red blood cell collection bag, a platelet collection bag and a red blood cell preservation liquid bag; the multi-connected blood collection bag is connected with the multi-connected bag through a blood collection pipeline entering the blood collection bag and a blood separation pipeline leaving the blood collection bag; a blood separation pipeline close to the blood collection bag is provided with a pipeline sleeve; the multi-connected blood collection bag further comprises a separation pipeline flow stop clip, a side bag sample retention detection bag and a blood collection needle which are arranged on the pipeline;

The blood collection bag, the red blood cell collection bag and the blood collection pipeline are connected through a tee joint; a blood sampling pipeline heat sealing section is arranged between the red blood cell collecting bag and the tee joint, a blood collection rear pipeline is disconnected after the blood sampling is finished, and the blood collection rear pipeline filled with blood is connected with the red blood cell collecting bag;

The front part of the blood collection bag is provided with a front fixing part of the separation bag, the center of the front fixing part of the separation bag is provided with a T-shaped fixing part of the front part of the blood collection bag, the rear part of the blood collection bag is provided with a rear fixing part of the blood collection bag, the rear fixing part of the blood collection bag is provided with a bottom plane and an upper inclined plane, the blood separation pipeline is communicated with the blood collection bag body through the separation tube easy-to-break plug;

The blood collection bag collects blood and then becomes a blood separation bag; the blood collection bag is communicated with the red blood cell collection bag and the platelet collection bag through a blood separation pipeline; the red blood cell collecting bag is also communicated with the red blood cell preservation liquid bag through a pipeline;

A first blood code and a first red blood cell packed code are stuck on the bag body of the blood separation bag;

The front part of the side surface of the bag body at one side of the separation tube easy-to-break plug of the blood separation bag is stuck with a second blood code and a second red blood cell packed code.

Further, the cover plate of the fixed separation bag comprises two arc-shaped parts which are matched with the blood separation bag; a first fixing part is arranged on the rear part of the arc-shaped part; the first fixing part and the corresponding arc-shaped part are provided with first separation pipe passing paths; two first fixing columns are arranged on two sides of the first separation pipe passing path; the cross sections of the two first fixing columns are matched with two I-shaped cover plate fixing holes of the I-shaped cover plate fixing block; a connecting part is arranged between the two arc-shaped parts; fixing plates are arranged on two sides of the two arc-shaped parts; a T-shaped fixing block is arranged below the front part of the fixing plate; the T-shaped fixing block is matched with the T-shaped fixing hole; a second fixing part is arranged on the rear part of the fixing plate; the second fixing part and the corresponding fixing plate part are provided with a second separation pipe passing path; two second fixing columns are arranged on two sides of the second separation tube passing path; the cross sections of the two second fixing columns are matched with two II-type cover plate fixing holes of the II-type cover plate fixing block; a handle is arranged on the connecting part.

In the technical scheme, the blood centrifuge provided by the utility model has the following beneficial effects:

According to the blood centrifuge disclosed by the utility model, the motor rotor shaft rotates for centrifugation, blood components in the blood separation bag on the fixed horizontal rotor are layered and automatically separated by utilizing the liquid level difference, and under the action of the known electric pinch valve controlled by the erythrocyte pressure or the erythrocyte sensor, the blood centrifugation and the separation of the components are synchronously completed, so that the working time is shortened.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of a blood centrifuge with an automatic separation function using centrifugal force according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a centrifuge chamber of a blood centrifuge having an automatic separation function using centrifugal force according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a stationary horizontal rotor of a blood centrifuge with an automatic separation function using centrifugal force according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a stationary horizontal rotor with a loading multi-bag and stationary cover plate for a blood centrifuge that utilizes centrifugal force to achieve an automatic separation function, according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an adapter for a blood centrifuge with an automatic separation function using centrifugal force according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of an adapter for a blood centrifuge with an automatic separation function using centrifugal force according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a cover plate of a stationary separation bag of a blood centrifuge with an automatic separation function using centrifugal force according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a multiple bag with a blood centrifuge for automatic separation using centrifugal force according to an embodiment of the present utility model;

Fig. 9 is a schematic diagram of a multi-bag of a blood centrifuge with an automatic separation function by centrifugal force according to an embodiment of the present utility model.

Reference numerals illustrate:

1. A fixing assembly; 2. a rotating assembly; 3. a stationary horizontal rotor; 4. an adapter; 5. multiple blood collection bags; 6. a cover plate for fixing the separation bag; 7. a display screen; 8. a code scanner; 9. a controller;

101. a centrifugal chamber; 102. centrifugal chamber legs; 103. a cover; 104. a centrifugal chamber refrigeration compressor;

10301. an electric push rod; 10302. a movable machine cover connecting block; 10303. a plug pin;

201. A driving motor; 202. a first connection plate; 203. a damping spring; 204. a fixing plate; 205. a rotor shaft; 206. waterproof electrical slip rings; 20601. an output line;

301. A fixed bin; 302. a red blood cell sensor; 303. an electric pinch valve; 304. a fixed cover plate device;

30101. A first region of the fixed bin; 30102. a second region of the fixed bin; 30103. a third region of the fixed bin; 30104. a fourth region of the fixed bin; 30105. a fifth zone of the fixed bin; 30106. a sixth zone of the fixed bin;

30201. A transmitter; 3020101, a first red blood cell sensor emitter; 3020102, a second red blood cell sensor emitter; 30202 a receiver; 3020201, a first red blood cell sensor receiver; 3020202, a second red blood cell sensor receiver;

30301. A first red blood cell line electric pinch valve; 30302. a second red blood cell line electric pinch valve; 30303. a first platelet line electric pinch valve; 30304. a second platelet line electric pinch valve; 30305. a first pipeline fixing block; 30306. a second pipeline fixing block; 30307. a first pinch valve identification code; 30308. a second pinch valve identification code;

30401. I-shaped cover plate fixing blocks; 3040101 type I cover plate fixing holes; 3040102, a first I-shaped cover plate fixing block; 3040103, a second I-shaped cover plate fixing block;

30402. II type cover plate fixing blocks; 3040201 type II cover plate fixing holes; 3040202, a first II-type cover plate fixing block; 3040203, a second II-type cover plate fixing block;

30403. T-shaped fixing holes; 3040301T-shaped fixing hole clamping grooves; 3040302, a first T-shaped fixing hole; 3040303, a second T-shaped fixing hole;

401. a blood separation bag placement area; 40101. a blood separation bag body placement area; 40102. a blood separation bag front fixation area; 40103. a blood separation bag rear fixation section; 40104. a red blood cell sensor detection hole; 40105. a first blood separation bag placement area; 40106. a second blood separation bag placement area;

402. A red blood cell collection bag placement area; 40201. a first red blood cell collection bag placement area; 40202. a second red blood cell collection bag placement area;

403. A platelet collection bag placement area; 40301. a first platelet collection bag placement area; 40302. a second platelet collection bag placement area;

404. A second connecting plate; 40401. a first fixed block access hole; 40402. a second fixed block access hole;

501. A blood taking needle; 502. a blood collection line; 502A, a blood collection post-line; 50201. the blood sampling pipeline is thermally sealed with the sealing section; 503. a side bag sample reserving detection bag; 504. a blood collection bag; 504A, a blood separation bag; 505. a blood separation line; 506. a red blood cell collection bag; 507. a platelet collection bag; 508 red blood cell preservation solution bag; 509. a conduit sleeve;

50401. A separation bag front fixing portion; 5040101, a T-shaped reinforcing part at the front part of the separation bag; 50402. a blood collection bag tail fixing part; 5040201, a bottom plane; 5040202, upper ramp; 5040203, the bottom extends upward to a fixed portion; 50403. the separating tube is easy to break; 50404. separating the pipeline flow stop clip; 504a01, a first blood code; 504a02, a first hematocrit code; 504a03, a second blood code; 504a04, second hematocrit code;

601. An arc-shaped portion; 602. a connection part; 603. a first fixing portion; 604. a second fixing portion; 605. a handle; 606. t-shaped fixed blocks;

60301. A first separator tube pass path; 60302. a first fixing column; 60401. a second separator tube pass path; 60402. a second fixing column;

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

See fig. 1-9;

The embodiment discloses a blood centrifuge that utilizes centrifugal force to realize autosegregation, characterized in that, this blood centrifuge includes:

The centrifugal machine comprises a fixing assembly 1, wherein a centrifugal chamber 101 is supported by the fixing assembly 1 through a centrifugal machine supporting leg 102, and the centrifugal chamber 101 is provided with an organic cover 103;

A rotating assembly 2 integrated at the bottom of the fixed assembly 1, the rotating assembly 2 comprising a driving motor 201, a rotor shaft 205 being provided on a rotating shaft of the driving motor 201, the rotor shaft 205 extending from a central position of the bottom of the centrifugal chamber 101 into the centrifugal chamber 101; and

A stationary horizontal rotor 3 disposed within the centrifugal chamber 101 and connected to a rotor shaft 205;

The stationary horizontal rotor 3 has a stationary bin 301, a red blood cell sensor 302, a pinch valve 303 and a stationary cover plate arrangement 304;

The blood centrifuge further comprises:

An adapter 4 adapted to a fixed bin of the fixed horizontal rotor;

A multi-connection blood collection bag 5;

A cover plate 6 for fixing the separation bag;

a display screen 8;

A code scanner 9 and a controller 10.

Preferably, the bottom of the centrifugal chamber 101 is provided with a fixed plate 204, and the driving motor 201 is connected with the fixed plate 204 through a first connecting plate 202 and a damping spring 203;

The fixing plate 204 is provided with a waterproof electric slip ring 206, a stator of the waterproof electric slip ring 206 is fixed on the fixing plate 204, and a rotor of the waterproof electric slip ring 206 is mounted on the rotor shaft 205;

The waterproof slip ring 206 is connected with an output line 20601, and the output line 20601 extends upward in the axial direction of the rotor shaft 205 and is connected with the erythrocyte sensor 303 and the electric pinch valve 303 on the stationary horizontal rotor 3.

Preferably, the fixed bin of the embodiment is divided into six areas, and each area is internally provided with a fixed bin first area 30101, a fixed bin second area 30102, a fixed bin third area 30103, a fixed bin fourth area 30104, a fixed bin fifth area 30105 and a fixed bin sixth area 30106;

The first and second regions 30101 and 30102 of the cartridge are matched to the first and second blood separation bag placement regions 40105 and 40106 of the adapter 4;

both sides of the first region 30101 and the second region 30102 are provided with a third region 30103 and a fourth region 30104;

A fixed bin fifth region 30105 and a fixed bin sixth region 30106 are arranged below the fixed bin first region 30101, the fixed bin second region 30102, the fixed bin third region 30103 and the fixed bin fourth region 30104;

A first T-shaped fixing hole 3040302 and a second T-shaped fixing hole 3040303 are respectively formed in the upper parts of the first region 30101 and the second region 30102 of the fixed bin, the third region 30103 of the fixed bin and the fourth region 30104 of the fixed bin; a clamping groove 3040301 is arranged below the T-shaped fixing hole 30403;

A first I-shaped cover plate fixed block 3040102 and a second I-shaped cover plate fixed block 3040103 are respectively arranged between the first region 30101 and the second region 30102 of the fixed bin, the fifth region 30105 of the fixed bin and the sixth region 30106 of the fixed bin; the I-shaped cover plate fixing block 30401 is provided with two I-shaped cover plate fixing holes 3040101;

A first II-type cover plate fixing block 3040102 and a second II-type cover plate fixing block 3040203 are respectively arranged between the third region 30103 and the fourth region 30104 of the fixed bin and the fifth region 30105 and the sixth region 30106 of the fixed bin; the II-type cover plate fixing block 30402 has two II-type cover plate fixing holes 3040201;

The third region 30103 and the fourth region 30104 are matched with the first and second red blood cell collection bag placement regions 40201 and 40202 of the adapter 4;

The fifth and sixth fixed cartridge regions 30105 and 30106 are matched to the first and second platelet collection bag placement regions 40301 and 40302 of the adapter 4;

The emitter 30201 and the receiver 30202 of the red blood cell sensor 302 are embedded in the inner walls of the two sides of the first region 30101 and the second region 30102, respectively.

Preferably, the bottom of the electric pinch valve 303 of the present embodiment extends downward into the fixed horizontal rotor 3, the head of the electric pinch valve 303 is placed on the fixed horizontal rotor 3, and both sides of each electric pinch valve 303 are provided with a first pipeline fixing block 30305 and a second pipeline fixing block 30306; the electric pinch valve 303 comprises a first red blood cell line pinch valve 30301, a second red blood cell line pinch valve 30302, a first platelet line pinch valve 30303 and a second platelet line pinch valve 30304; a first pinch valve identification code 30307 and a second pinch valve identification code 30308 are correspondingly stuck beside the first red blood cell tube pinch valve 30301 and the second red blood cell tube pinch valve 30302.

Preferably, the adapter 4 of the present embodiment is adapted to the fixed bin 301; the adapter 4 comprises a blood separation bag placement area 401, a red blood cell collection bag placement area 402 and a platelet collection bag placement area 403, and the upper parts of the placement areas are connected into a whole through a second connecting plate 404 by the adapter 4;

The blood separation bag placement area 401 includes a bag body placement area 40101 of a blood separation bag matched with the blood separation bag 504A, a blood separation bag front fixing area 40102, a blood separation bag rear fixing area 40103, and a red blood cell sensor detection hole 40104 located at the rear of the blood separation bag body placement area 40101;

The blood separation bag placement area 401 is divided into a first blood separation bag placement area 40105 and a second blood separation bag placement area 40106;

the red blood cell collection bag placement area 402 mates with the red blood cell collection bag 506;

The red blood cell collection bag placement area 402 is divided into a first red blood cell collection bag placement area 40201 and a second red blood cell collection bag placement area 40202;

the platelet collection bag placement area 403 matches the platelet collection bag 507;

the platelet collection bag placement area 403 is divided into a first platelet collection bag placement area 40301 and a second platelet collection bag placement area 40302;

Two first fixed block access holes 40401 and two second fixed block access holes 40402 are arranged on a second connecting plate 404 between the blood separation bag placing area 401, the red blood cell collecting bag placing area 402 and the platelet collecting bag placing area 403; the first fixed block access hole 40401 is matched with the I-shaped cover plate fixed block 30401; the second fixing block access hole 40402 is matched with the type ii cover plate fixing block 30402.

Preferably, the multi-connected blood collection bag 5 of the present embodiment includes a blood collection bag 504, a red blood cell collection bag 506, a platelet collection bag 507, and a red blood cell preservation liquid bag 508; the multi-connected blood collection bag 5 connects the multi-connected bags through a blood collection pipeline 502 entering the blood collection bag 504 and a blood separation pipeline 505 leaving the blood collection bag 504; a tubing cannula 509 is disposed proximate the blood separation tubing 505 of the blood collection bag 504; the multi-connected blood collection bag 5 also comprises a separation pipeline flow stop clip 50404, a side bag sample retention detection bag 503 and a blood collection needle 501 which are arranged on the pipeline;

the blood collection bag 504, the red blood cell collection bag 506 and the blood collection pipeline 502 are connected through a tee joint, a blood collection pipeline heat seal closing section 50201 is arranged between the red blood cell collection bag 506 and the tee joint, a blood collection rear pipeline 502A is disconnected by heat seal after blood collection is finished, and the blood collection rear pipeline 502A filled with blood is connected with the red blood cell collection bag 506;

The front part of the blood collection bag 504 is provided with a separation bag front fixing part 50401, the center of the separation bag front fixing part 50401 is provided with a blood collection bag front T-shaped adding fixing part 5040101, the rear part of the blood collection bag 504 is provided with a blood collection bag tail fixing part 50402, the blood collection bag tail fixing part 50402 is provided with a bottom plane 5040201 and an upper inclined plane 5040202, one side of the lower end of the upper inclined plane 5040202 is provided with a bottom upward extending fixing part 5040203, the bottom upward extending fixing part 5040203 is externally connected with a separation tube frangible plug 50403, the outside of the separation tube frangible plug 50403 is provided with a fixing protective sleeve and is fixed on the bottom upward extending fixing part 5040203, and a blood separation pipeline 505 is communicated with the inside of the blood collection bag 504 through the separation tube frangible plug 50403;

The blood collection bag 504 collects blood and becomes a blood separation bag 504A; the blood collection bag 504 is communicated with the red blood cell collection bag 506 and the platelet collection bag 507 through a blood separation pipeline 505; the red blood cell collecting bag 506 is also communicated with the red blood cell preserving fluid bag 508 through a pipeline;

a first blood code 504A01 and a first packed red blood cell code 504A02 are adhered to the body of the blood separation bag 504A;

A second blood code 504A03 and a second packed red blood cell code 504A04 are attached to the front portion of the blood separation bag 504A on the one side of the separation tube frangible plug 50403.

Preferably, the cover plate 6 of the fixed separation bag of the present embodiment includes two arc-shaped portions 601 adapted to the blood separation bag 504A; a first fixing part 603 is arranged on the rear part of the arc-shaped part 601; the first fixing portion 603 and the corresponding arc portion 601 are partially provided with a first separation tube passing path 60301; two first fixing columns 60302 are arranged on two sides of the first separation tube passing path 60301; the cross sections of the two first fixing columns 60302 are matched with the two I-shaped cover plate fixing holes 3040101 of the I-shaped cover plate fixing block 30401; a connecting part 602 is arranged between the two arc-shaped parts; two sides of the two arc-shaped parts 601 are provided with fixing plates; a T-shaped fixing block 606 is arranged below the front part of the fixing plate; the T-shaped fixing block 606 is matched with the T-shaped fixing hole 30403; a second fixing portion 604 is provided on the rear portion of the fixing plate; the second fixing portion 604 and the corresponding fixing plate portion are provided with a second separation tube passing path (60401); two second fixing columns 60402 are arranged on two sides of the second separation pipe passing path 60401; the cross sections of the two second fixing columns 60402 are matched with the two II-type cover plate fixing holes 3040201 of the II-type cover plate fixing block 30402; a handle 605 is provided on the connecting portion 603.

Working principle one (control the red blood cell pipeline pinch valve by using the red blood cell sensor)

Setting: the opening and closing of the electric pinch valve 303 on the red blood cell separation line is controlled by the corresponding red blood cell sensor 302; the time from opening to closing of the electric pinch valve 303 of the platelet separation line is set to a fixed value;

Setting a required centrifugal separation program;

Step 1: loading multiple bag

Sequentially loading the linked bags of the blood separation bags 504A into the corresponding placement areas of the adapter 4; the red blood cell preserving fluid bag 508 combined with the red blood cell collecting bag 506 is loaded into the red blood cell collecting bag placing area 402, or the red blood cell preserving fluid bag 508 combined with the platelet collecting bag 507 is loaded into the platelet collecting bag placing area 403;

After closing the separation tube stopper 50404 of all blood separation bags 504A, breaking the separation tube frangible plugs 50403 of all blood separation bags 504A;

step 2: mounting machine

(1) Loading adapter 4

Before the adapter assembly 4 loaded with the multi-bag is moved to a centrifugal machine by a trolley, carrying the adapter 4 on two sides of a connecting plate 404 of the adapter 4, and sequentially placing the adapter 4 into a fixed bin 301 of a fixed horizontal rotor;

Fixing the blood separation line 505 for collecting red blood cells of the blood separation bag 504A in the first region 30101 of the fixation bin in the first red blood cell line pinch valve 30301 via the first line fixation block 30305 and the second line fixation block 30306; the platelet-collecting blood separation line 505 of the blood separation bag 504A in the first region 30101 of the fixed compartment is fixed in the first platelet line pinch valve 30303 via the first line fixing block 30305 and the second line fixing block 30306;

Fixing the blood separation line 505 for collecting red blood cells of the blood separation bag 504A in the second region 30102 of the fixation bin in the second red blood cell line pinch valve 30302 via the first line fixation block 30305 and the second line fixation block 30306; the platelet-collecting blood separation line 505 of the blood separation bag 504A in the second region 30102 of the fixed compartment is fixed in the second platelet line pinch valve 30304 via the first line fixation block 30305 and the second line fixation block 30306;

the blood separation pipelines 505 for collecting red blood cells and platelets in the blood separation bag 504A in the fixed bin 301 are all loaded into the corresponding red blood cell pipeline pinch valves and platelet pipeline pinch valves in sequence;

(2) Loading fixed separation bag cover plate 6

Holding the handle 605 of the fixed separation bag cover plate 6, placing the T-shaped fixing block 606 below the fixed separation bag cover plate 6 and the corresponding T-shaped fixing hole 30403 inserted into the fixing bin 301, placing the blood separation pipeline 505 of the blood separation bag 504A into the first separation pipe passing path 60301 of the cover plate 6 of the fixed separation bag, and placing the blood separation pipeline 505 for collecting red blood cells into the second separation pipe passing path 60401; and pushing backward, the T-shaped fixing block 606 below the fixed separation bag cover plate 6 moves along the clamping groove 3040301 of the T-shaped fixing hole 30403 and is fixed; two first fixing columns 60302 for fixing the separating bag cover plate 6 are inserted into I of the fixing bin 301I type cover plate fixing block 30401

The cover plate fixing holes 3040101 are fixed; two second fixing columns 60402 for fixing the separation bag cover plate 6 are inserted into the II-type cover plate fixing holes 3040201 of the II-type cover plate fixing block 30402 and fixed;

All the separation bag fixing cover plates 6 are sequentially fixed;

Turning on the centrifuge power supply, closing the electric pinch valve 303, and stopping flowing the corresponding blood separation pipeline; opening the corresponding split line stop clips 50404;

(3) Code scanning device

Using the code scanner 8 to sequentially scan the second blood code 504A03 of the blood separation bag 504A in the adapter 4, the controller 9 automatically records the centrifugal data of the blood separation bag 504A and transmits the centrifugal data into the database;

Step 3: centrifugal separation of blood

Touching the close cover button of the display screen 7, the electric push rod 10301 contracts, and the machine cover 103 is closed;

Selecting a required centrifugal separation program, starting the centrifugal separation program, rotating the fixed horizontal rotor 3 during the centrifugal separation, automatically opening all pinch valves 303 and red blood cell sensors for controlling the red blood cell collecting pipelines when the centrifugal separation reaches a set time, and enabling red blood cells in the blood separation bag 504A to flow into the red blood cell collecting bag 506 through the blood separation pipeline 505; the emitter 30201 of the red blood cell sensor 302 on the fixed horizontal rotor 3 emits red light to be blocked by red blood cells in the blood separation bag 504A through the red blood cell sensor detection hole 40104 of the adapter 4, the receiver 30202 of the corresponding red blood cell sensor 302 cannot receive the red blood cell light, the corresponding pinch valve 303 of the red blood cell collecting pipeline is controlled to be opened, and when the red blood cells in the blood separation bag 504A fall below the red blood cell sensor detection hole 40104, the emitter 30201 of the red blood cell sensor 302 emits red light to pass through the blood plasma in the blood separation bag 504A through the red blood cell sensor detection hole 40104 of the adapter 4 to be received by the receiver 30202 of the corresponding red blood cell sensor 302, and the pinch valve 303 of the red blood cell collecting pipeline is controlled to be closed; simultaneously opening the pinch valves 303 of the corresponding control platelet collecting pipelines, wherein platelets in the blood separation bag 504A flow into the platelet collecting bag 507 through the blood separation pipeline 505, when the set time is reached, the system automatically closes the pinch valves 303 of the control platelet collecting pipelines, and when all the pinch valves 303 of the control platelet collecting pipelines and the platelet collecting pipelines are closed, the blood centrifugal separation is finished; the drive motor 201 of the centrifuge starts decelerating to a complete stop;

Touching the opening cover button of the display screen 7, the electric push rod 10301 extends out, and the machine cover 103 opens backwards; closing all separation line stop clips 50404 of the blood separation bags 504A, closing the centrifuge power supply, controlling all pinch valves 303 of the red blood cell collection line and the platelet collection line to be opened, moving out the blood separation line 505 in the pinch valves 303, holding a handle 605 of a cover plate 6 for fixing the separation bags to push forward, lifting upwards, and moving out the cover plate 6 for fixing the separation bags; lifting up on both sides of the connecting plate 404 of the portable adaptor 4 to push the adaptor 4 out of the centrifugal chamber 101; taking out the blood separation bag 504A, the red blood cell collection bag 506 and the platelet collection bag 507 in the adapter 4, and breaking the heat seal of the blood separation tube 505 connected with the respective collection bags; breaking the frangible plug 50403 of the red blood cell preservation solution bag 508, and introducing the red blood cell preservation solution in the red blood cell preservation solution bag 508 into the red blood cell collection bag 506 through a pipeline; the centrifuged blood separation bag 504A becomes a plasma collection bag,

Ending the workflow;

second working principle (control the opening time of the red blood cell line pinch valve by using the packed red blood cell pressure value)

Setting: the red blood cell line pinch valve identification code is associated with the corresponding pinch valve 303; setting a plurality of red blood cell pipeline pinch valves 303 which are calculated according to different red blood cell pressure products to be opened to be closed, and setting a fixed value for the collection time of the platelet collection bag;

Setting a required centrifugal separation program;

step 1: the loading multi-connected bag works in the same principle;

step 2: mounting machine

(1) The loading adapter 4 works in the same way as the first working principle;

(2) The loading and fixing separation bag cover plate 6 works in the same principle;

(3) Code scanning device

Using the code scanner 8 to sequentially scan the second blood code 504A03 of the blood separation bag 504A in the adapter 4, the controller 9 automatically records the centrifugal data of the blood separation bag 504A and transmits the centrifugal data into the database;

scanning a second erythrocyte pressure product code 504A04 of a blood separation bag 504A in the adapter 4 by using the code scanner 8, scanning corresponding erythrocyte tube pinch valve identification codes, and automatically matching and binding by the controller 9 and setting corresponding erythrocyte tube pinch valve opening time;

Repeating the above operation until the controller 9 is all automatically matched and bound and sets the opening time of the corresponding erythrocyte pipeline pinch valve;

Step 3: centrifugal separation of blood

Touching the close cover button of the display screen 7, the electric push rod 10301 contracts, and the machine cover 103 is closed;

Selecting a required centrifugal separation program, starting the centrifugal separation program, rotating a fixed horizontal rotor 3 during centrifugation, automatically opening all pinch valves 303 controlling the red blood cell collecting pipelines when the centrifugation reaches a set time, enabling red blood cells in a blood separation bag 504A to flow into a red blood cell collecting bag 506 through a blood separation pipeline 505, automatically closing the pinch valves 303 controlling the red blood cell collecting pipelines when the set time is reached, simultaneously opening the pinch valves 303 controlling the corresponding platelet collecting pipelines, enabling platelets in the blood separation bag 504A to flow into a platelet collecting bag 507 through the blood separation pipeline 505, automatically closing the pinch valves 303 controlling the platelet collecting pipelines by a system when the set time is reached, and closing all the pinch valves 303 controlling the red blood cell collecting pipelines and the platelet collecting pipelines, and ending the blood centrifugal separation; the drive motor 201 of the centrifuge starts decelerating to a complete stop;

Touching the opening cover button of the display screen 7, the electric push rod 10301 extends out, and the machine cover 103 opens backwards; closing all separation line stop clips 50404 of the blood separation bags 504A, closing the centrifuge power supply, controlling all pinch valves 303 of the red blood cell collection line and the platelet collection line to be opened, moving out the blood separation line 505 in the pinch valves 303, holding a handle 605 of a cover plate 6 for fixing the separation bags to push forward, lifting upwards, and moving out the cover plate 6 for fixing the separation bags; lifting up on both sides of the connecting plate 404 of the portable adaptor 4 to push the adaptor 4 out of the centrifugal chamber 101; taking out the blood separation bag 504A, the red blood cell collection bag 506 and the platelet collection bag 507 in the adapter 4, and breaking the heat seal of the blood separation tube 505 connected with the respective collection bags; breaking the frangible plug 50403 of the red blood cell preservation solution bag 508, and introducing the red blood cell preservation solution in the red blood cell preservation solution bag 508 into the red blood cell collection bag 506 through a pipeline; the centrifuged blood separation bag 504A becomes a plasma collection bag,

Ending the workflow;

Working principle three (collection of concentrated platelets):

Connecting the blood components of the plurality of platelet collection bags 507 to a separation bag through a sterile pipe connecting machine, and selecting a corresponding centrifugal separation program; selecting an appropriate adapter assembly 4;

the pinch valve 303 is set to a fixed value for the time from opening to closing;

The other working principles are the same as the second working principle;

The bar code for the hematocrit is not limited to the bar code for the hematocrit, but also comprises other display modes of the hematocrit;

The electric pinch valve of the present utility model is not limited to the electric pinch valve, but includes other devices having the same function.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. A blood centrifuge for achieving automatic separation using centrifugal force, the blood centrifuge comprising:

A stationary assembly (1), the stationary assembly (1) supporting a centrifugal chamber (101) through a centrifuge leg (102), the centrifugal chamber (101) being configured with an organic lid (103);

A rotating assembly (2) integrated at the bottom of the fixed assembly (1), wherein the rotating assembly (2) comprises a driving motor (201), a rotor shaft (205) is arranged on a rotating shaft of the driving motor (201), and the rotor shaft (205) extends into the centrifugal chamber (101) from the central position of the bottom of the centrifugal chamber (101); and

-A stationary horizontal rotor (3) arranged in the centrifugal chamber (101) and connected to the rotor shaft (205);

the fixed horizontal rotor (3) is provided with a fixed bin (301), a red blood cell sensor (302), an electric pinch valve (303) and a fixed cover plate device (304)

The blood centrifuge further comprises:

An adapter (4) adapted to a stationary bin (301) of the stationary horizontal rotor;

A multi-connection blood collection bag (5);

A cover plate (6) for fixing the separation bag;

a display screen (7);

A code scanner (8) and a controller (9).

2. The centrifugal blood machine for realizing automatic separation by utilizing centrifugal force according to claim 1, wherein a fixed plate (204) is arranged at the bottom of the centrifugal chamber (101), and the driving motor (201) is connected with the fixed plate (204) through a first connecting plate (202) and a damping spring (203);

the waterproof electric slip ring (206) is arranged on the fixed plate (204), a stator of the waterproof electric slip ring (206) is fixed on the fixed plate (204), and a rotor of the waterproof electric slip ring (206) is arranged on the rotor shaft (205);

The waterproof electric slip ring (206) is connected with an output line (20601), and the output line (20601) extends upwards along the axial direction of the rotor shaft (205) and is connected with the red blood cell sensor (302) and the electric pinch valve (303) on the fixed horizontal rotor (3).

3. The blood centrifuge for realizing automatic separation by utilizing centrifugal force according to claim 1, wherein the fixed bin is divided into six areas, and a first fixed bin area (30101), a second fixed bin area (30102), a third fixed bin area (30103), a fourth fixed bin area (30104), a fifth fixed bin area (30105) and a sixth fixed bin area (30106) are arranged in each area;

The first region (30101) and the second region (30102) of the fixed bin are matched with a first blood separation bag placement region (40105) and a second blood separation bag placement region (40106) of the adapter (4);

Both sides of the first fixed bin region (30101) and the second fixed bin region (30102) are provided with a third fixed bin region (30103) and a fourth fixed bin region (30104);

A fixed bin fifth region (30105) and a fixed bin sixth region (30106) are arranged below the fixed bin first region (30101), the fixed bin second region (30102), the fixed bin third region (30103) and the fixed bin fourth region (30104);

A first T-shaped fixing hole (3040302) and a second T-shaped fixing hole (3040303) are respectively formed in the upper parts of the first region (30101) of the fixing bin, the second region (30102) of the fixing bin, the third region (30103) of the fixing bin and the fourth region (30104) of the fixing bin; a clamping groove (3040301) is arranged below the T-shaped fixing hole (30403);

A first I-shaped cover plate fixed block (3040102) and a second I-shaped cover plate fixed block (3040103) are respectively arranged between the first region (30101) and the second region (30102) of the fixed bin and the fifth region (30105) and between the second region (30106) of the fixed bin; the I-shaped cover plate fixing block (30401) is provided with two I-shaped cover plate fixing holes (3040101);

A first II-type cover plate fixed block (3040202) and a second II-type cover plate fixed block (3040203) are respectively arranged between the third region (30103) and the fourth region (30104) of the fixed bin and the fifth region (30105) and between the fourth region (30106) of the fixed bin; the II-type cover plate fixing block (30402) is provided with two II-type cover plate fixing holes (3040201);

The third region (30103) and the fourth region (30104) of the fixed bin are matched with the first red blood cell collecting bag placing region (40201) and the second red blood cell collecting bag placing region (40202) of the adapter (4);

the fifth region (30105) of the fixed bin and the sixth region (30106) of the fixed bin are matched with the first platelet collection bag placement region (40301) and the second platelet collection bag placement region (40302) of the adapter (4);

The emitter (30201) and the receiver (30202) of the red blood cell sensor (302) are respectively embedded on the inner walls of the two sides of the first area (30101) and the second area (30102) of the fixed bin.

4. A blood centrifuge for automatic separation by centrifugal force according to claim 1, characterized in that the bottom of the electric pinch valve (303) extends down to the inside of the stationary horizontal rotor (3), the head of the electric pinch valve (303) is placed on the stationary horizontal rotor (3), both sides of each electric pinch valve (303) are provided with a first pipeline fixing block (30305) and a second pipeline fixing block (30306); the electric pinch valve (303) comprises a first red blood cell pipeline pinch valve (30301), a second red blood cell pipeline pinch valve (30302), a first platelet pipeline pinch valve (30303) and a second platelet pipeline pinch valve (30304); a first pinch valve identification code (30307) and a second pinch valve identification code (30308) are correspondingly stuck beside the first red blood cell pipeline pinch valve (30301) and the second red blood cell pipeline pinch valve (30302).

5. A blood centrifuge for automatic separation by centrifugal force according to claim 1, characterized in that the adapter (4) is adapted to a stationary bin (301); the adapter (4) comprises a blood separation bag placement area (401), a red blood cell collection bag placement area (402) and a platelet collection bag placement area (403), and the upper parts of the placement areas are connected into a whole through a second connecting plate (404) by the adapter (4);

The blood separation bag placement area (401) comprises a blood separation bag body placement area (40101) matched with the blood separation bag (504A), a blood separation bag front fixing area (40102), a blood separation bag rear fixing area (40103) and red blood cell sensor detection holes (40104) positioned at the rear parts of two sides of the blood separation bag body placement area (40101);

The blood separation bag placement area (401) is divided into a first blood separation bag placement area (40105) and a second blood separation bag placement area (40106);

The red blood cell collecting bag placing area (402) is matched with the red blood cell collecting bag (506);

The red blood cell collecting bag placing area (402) is divided into a first red blood cell collecting bag placing area (40201) and a second red blood cell collecting bag placing area (40202);

The platelet collection bag placement area (403) is matched with a platelet collection bag (507);

the platelet collection bag placement area (403) is divided into a first platelet collection bag placement area (40301) and a second platelet collection bag placement area (40302);

Two first fixed block access holes (40401) and two second fixed block access holes (40402) are formed in a second connecting plate (404) between the blood separation bag placement area (401), the red blood cell collection bag placement area (402) and the blood platelet collection bag placement area (403); the first fixed block access hole (40401) is matched with the I-type cover plate fixed block (30401); the second fixed block access hole (40402) is matched with the type II cover plate fixed block (30402).

6. The blood centrifuge for automatic separation by centrifugal force according to claim 1, wherein the multi-connected blood collection bag (5) comprises a blood collection bag (504), a red blood cell collection bag (506), a platelet collection bag (507), a red blood cell preservation liquid bag (508); the multi-connection blood collection bag (5) is connected with the multi-connection bag through a blood collection pipeline (502) entering the blood collection bag (504) and a blood separation pipeline (505) leaving the blood collection bag (504); a blood separation line (505) adjacent to the blood collection bag (504) is provided with a line cannula (509); the multi-connected blood collection bag (5) further comprises a separation pipeline flow stop clip (50404), a side bag sample reserving detection bag (503) and a blood collection needle (501) which are arranged on the pipeline;

The blood collection bag (504), the red blood cell collection bag (506) and the blood collection pipeline (502) are connected through a tee joint; a blood sampling pipeline heat seal section (50201) is arranged between the red blood cell collecting bag (506) and the tee joint, a blood sampling pipeline (502A) is disconnected after the blood sampling is finished, and the blood sampling pipeline (502A) filled with blood is connected with the red blood cell collecting bag (506);

The blood collection device comprises a blood collection bag (504), wherein a separation bag front fixing part (50401) is arranged at the front part of the blood collection bag, a blood collection bag front T-shaped fixing part (5040101) is arranged at the center of the separation bag front fixing part (50401), a blood collection bag tail fixing part (50402) is arranged at the rear part of the blood collection bag (504), a bottom plane (5040201) and an upper inclined plane (5040202) are arranged on the blood collection bag tail fixing part (50402), a bottom upward extending fixing part (5040203) is arranged on one side of the lower end of the upper inclined plane (5040202), a separation tube frangible plug (50403) is outwards connected to the bottom upward extending fixing part (5040203), a fixing protective sleeve is arranged outside the separation tube frangible plug (50403) and is fixed on the bottom upward extending fixing part (5040203), and a blood separation pipeline (505) is communicated with the blood collection bag (504) in a bag body through the separation tube frangible plug (50403);

The blood collection bag (504) collects blood and becomes a blood separation bag (504A); the blood collection bag (504) is communicated with the red blood cell collection bag (506) and the platelet collection bag (507) through a blood separation pipeline (505); the red blood cell collecting bag (506) is also communicated with the red blood cell preservation liquid bag (508) through a pipeline;

a first blood code (504A 01) and a first red blood cell packed code (504A 02) are stuck on the bag body of the blood separation bag (504A);

A second blood code (504A 03) and a second red blood cell packed code (504A 04) are adhered to the front part of one side of the bag body of the separation tube frangible plug (50403) of the blood separation bag (504A).

7. A blood centrifuge for automatic separation by centrifugal force according to claim 1, characterized in that the cover plate (6) of the stationary separation bag comprises two arc-shaped parts (601) adapted to the blood separation bag (504A); a first fixing part (603) is arranged on the rear part of the arc-shaped part (601); the first fixing part (603) and the corresponding arc part (601) are provided with a first separation tube passing path (60301); two first fixing columns (60302) are arranged on two sides of the first separation tube passing path (60301); the cross sections of the two first fixing columns (60302) are matched with two I-shaped cover plate fixing holes (3040101) of the I-shaped cover plate fixing block (30401); a connecting part (602) is arranged between the two arc-shaped parts; two sides of the two arc-shaped parts (601) are provided with fixing plates; a T-shaped fixing block (606) is arranged below the front part of the fixing plate; the T-shaped fixing block (606) is matched with the T-shaped fixing hole (30403); a second fixing part (604) is arranged on the rear part of the fixing plate; the second fixing part (604) and the corresponding fixing plate part are provided with a second separation tube passing path (60401); two second fixing columns (60402) are arranged on two sides of the second separation pipe passing path (60401); the cross sections of the two second fixing columns (60402) are matched with two II-type cover plate fixing holes (3040201) of the II-type cover plate fixing block (30402); a handle (605) is arranged on the connecting part (602).