CN214632161U

CN214632161U - A clinical blood collection device

Info

Publication number: CN214632161U
Application number: CN202020854041.8U
Authority: CN
Inventors: 邱寅虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-11-09
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a clinical blood collection system, including the vacuum test tube, the top of vacuum test tube is pegged graft and is had the collection syringe needle, and gathers the syringe needle and run through the sealing plug and extend to the inner chamber of vacuum test tube, and the other end of gathering the syringe needle is connected with the blood transfusion hose, and flow regulator is installed to the outer end of blood transfusion hose, and the other end of blood transfusion hose is connected with the syringe needle seat, and the handle is held between the fingers to the side of syringe needle seat is installed, and the bottom of syringe needle seat is connected with the puncture syringe needle, and the protective sleeve has been cup jointed on the peripheral surface of puncture syringe needle. The utility model discloses can carry out conventional vein and draw blood, satisfy ordinary work demand of drawing blood, when carrying out radial artery and drawing blood simultaneously, can ensure the stability when inserting the needle perpendicularly, make pjncture needle head portion can accurately insert radial artery blood vessel, can also ensure holistic stability when rotatory inserting the needle simultaneously, effectively promote the accuracy of once only puncturing and drawing blood, reduce medical risk, improve patient's satisfaction.

Description

Clinical blood collection system

Technical Field

The utility model relates to the field of medical equipment, in particular to clinical blood collection system.

Background

Blood drawing is one of the methods commonly used in medicine for checking whether body fluid of a patient is normal or not, generally, venous blood is drawn, the traditional blood collection method generally draws blood into a needle cylinder through a syringe and then injects the blood into a test tube, and the traditional blood collection method exposes the blood to the air for many times, so that the blood is easily polluted, and the operation is extremely easy to cause cross infection of the blood; when blood is drawn from the radial artery, a vertical puncture mode is needed for needle insertion, and the accuracy of needle insertion directly concerns the success rate of disposable blood drawing.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a clinical blood collection system, possible both to make things convenient for venous blood sampling, also make things convenient for radial artery blood sampling simultaneously, improve disposable blood sampling rate.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a clinical blood collection device, which comprises a vacuum blood collection tube, wherein a sealing plug is arranged at the top opening of the vacuum blood collection tube, the top end of the sealing plug is provided with a top cover, a through hole is arranged at the center of the top cover, a collection needle is inserted at the top end of the vacuum blood collection tube and penetrates through the sealing plug and extends to the inner cavity of the vacuum blood collection tube, the other end of the collection needle is connected with a blood transfusion hose, the outer end of the blood transfusion hose is provided with a flow regulator, the other end of the blood transfusion hose is connected with a needle tube seat, the side edge of the needle tube seat is provided with a holding handle, the bottom end of the needle tube seat is connected with a puncture needle, the peripheral surface of the puncture needle is sleeved with a protective sleeve, the outer surface of the needle tube seat is wrapped with a clamping component, the clamping component comprises a first clamping block and a second clamping block which are oppositely spliced by mirror images, the utility model discloses a blood transfusion device, including first clamp splice and second clamp splice, the clamping assembly that first clamp splice and second clamp splice are cylindric, the clamping assembly is provided with the end of gripping and slides the end, and grips the sectional area of end slightly and slightly to slide the sectional area of end, the peripheral surface of slide end has cup jointed the spacing ring, the bottom of spacing ring is provided with the holding ring, and the diameter of holding ring is the twice of spacing ring diameter, be connected with many spinal branchs vaulting pole between holding ring and the spacing ring, the internally mounted of holding ring has the cross link, the center department of cross link opens there is the locating hole.

As an optimized technical scheme of the utility model, a side surface of the relative amalgamation of first clamp splice and second clamp splice is provided with bolt and jack respectively.

As an optimized technical scheme of the utility model, the axle center of locating hole, holding ring, spacing ring and centre gripping subassembly all is in on the same vertical line.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses can carry out conventional vein and draw blood, satisfy ordinary work demand of drawing blood, when carrying out radial artery and drawing blood simultaneously, can ensure the stability when inserting the needle perpendicularly, make pjncture needle head portion can accurately insert radial artery blood vessel, can also ensure holistic stability when rotatory inserting the needle simultaneously, effectively promote the accuracy of once only puncturing and drawing blood, reduce medical risk, improve patient's satisfaction.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the radial artery of the present invention during blood drawing;

FIG. 2 is a schematic view of the whole structure of the present invention during venous blood drawing;

FIG. 3 is a partial sectional view of the vacuum blood collection tube of the present invention;

fig. 4 is a schematic structural view of the first clamping block and the second clamping block of the present invention;

fig. 5 is a schematic structural view of a positioning ring portion of the present invention;

fig. 6 is a schematic structural view of the clamping assembly of the present invention;

in the figure: 1. a vacuum blood collection tube; 2. a sealing plug; 3. a top cover; 4. collecting a needle head; 5. a blood transfusion hose; 6. a flow regulator; 7. a needle tube base; 8. a handle is held; 9. a puncture needle head; 10. a protective sleeve; 11. a clamping assembly; 12. a first clamping block; 13. a second clamp block; 14. a placement groove; 15. a holding end; 16. a sliding end; 17. a limiting ring; 18. a positioning ring; 19. a support bar; 20. a cross-shaped connecting frame; 21. And (7) positioning the holes.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in FIGS. 1-6, the utility model provides a clinical blood collection device, which comprises a vacuum blood collection tube 1, a sealing plug 2 is installed at the top opening of the vacuum blood collection tube 1, a top cap 3 is installed at the top end of the sealing plug 2, a through hole is arranged at the center of the top cap 3, a collection needle 4 is inserted into the top end of the vacuum blood collection tube 1, the collection needle 4 penetrates through the sealing plug 2 and extends to the inner cavity of the vacuum blood collection tube 1, a blood transfusion hose 5 is connected to the other end of the collection needle 4, a flow regulator 6 is installed at the outer end of the blood transfusion hose 5, a needle tube base 7 is connected to the other end of the blood transfusion hose 5, a holding handle 8 is installed at the side of the needle tube base 7, a puncture needle 9 is connected to the bottom of the needle tube base 7, a protective sleeve 10 is sleeved on the peripheral surface of the puncture needle 9, a clamping component 11 is wrapped on the outer surface of the needle tube base 7, the clamping component 11 comprises a first clamping block 12 and a second clamping block 13 which are oppositely spliced by mirror images, the inside of first clamp splice 12 and second clamp splice 13 all opens the standing groove 14, standing groove 14 is vertical setting, and can be with blood transfusion hose 5, needle tubing seat 7 with hold between the fingers and hold handle 8 including, the centre gripping subassembly 11 that first clamp splice 12 and second clamp splice 13 amalgamation is cylindric, centre gripping subassembly 11 is provided with holds end 15 and sliding end 16, and the sectional area of holding end 15 slightly is greater than the sectional area of sliding end 16, the peripheral surface of sliding end 16 has cup jointed spacing ring 17, the bottom of spacing ring 17 is provided with holding ring 18, and the diameter of holding ring 18 is the twice of spacing ring 17 diameter, be connected with many spinal branch vaulting poles 19 between holding ring 18 and the spacing ring 17, the internally mounted of holding ring 18 has cross link 20, the center department of cross link 20 opens locating hole 21.

Furthermore, the surface of one side of the first clamping block 12, which is opposite to the second clamping block 13, is provided with a bolt and a jack, so that the first clamping block 12 and the second clamping block 13 can be more stable after being spliced through the bolt and the jack.

The axes of the positioning hole 21, the positioning ring 18, the limiting ring 17 and the clamping component 11 are all on the same vertical line.

Specifically, when in use, firstly, the flow regulator 6 is closed to avoid air circulation, the collection needle 4 is inserted into the vacuum blood collection tube 1 through the sealing plug 2, the preparation work is completed, when venous blood collection is carried out, referring to figure 2, after the epidermis of the blood collection position of a patient is disinfected, the protective sleeve 10 is taken down, the holding handle 8 is held between the hands, the puncture needle 9 is inserted into the venous blood vessel, the flow regulator 6 is opened, blood is drawn into the interior through the negative pressure state of the vacuum blood collection tube 1, venous blood collection is completed, when the radial artery of the patient needs to be collected, referring to figure 1, the holding part of the needle tube seat 7 is placed in the placing groove 14 for positioning, then the first clamping block 12 and the second clamping block 13 are spliced, then the positioning ring 18 is placed at the epidermis of the radial artery of the patient, the positioning hole 21 is aligned to the blood collection position to be collected, the holding end 15 of the clamping component 11 spliced together is held between the holding end and the holding part is positioned, the sliding end 16 penetrates through the limiting ring 17, the puncture needle head 9 is pushed downwards to penetrate through the skin from the positioning hole 21, meanwhile, the holding end 15 is rotated slowly when the needle is inserted, and the sliding end 16 is limited in the limiting ring 17, so that the needle insertion accuracy is guaranteed in the rotating process, the unstable holding caused by too high pressure of a doctor is avoided, and the success rate of one-time blood drawing is greatly improved.

To sum up, the utility model discloses can carry out conventional vein and draw blood, satisfy ordinary work demand of drawing blood, when carrying out radial artery and drawing blood simultaneously, can ensure the stability when inserting the needle perpendicularly, make pjncture needle head portion can accurately insert radial artery blood vessel, can also ensure holistic stability when rotatory inserting the needle simultaneously, effectively promote the accuracy of once only piercing and drawing blood, reduce medical risk, improve patient's satisfaction.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clinical blood collection device, comprising a vacuum blood collection tube (1), the top opening of the vacuum blood collection tube (1) is provided with a sealing plug (2), and the top of the sealing plug (2) is provided with a top cover (3), and a through hole is provided in the center of the top cover (3), characterized in that a collection needle (4) is inserted into the top of the vacuum blood collection tube (1), and the collection needle (4) penetrates the sealing plug (2) and extend to the inner cavity of the vacuum blood collection tube (1), the other end of the collection needle (4) is connected with a blood transfusion hose (5), and the outer end of the blood transfusion hose (5) is installed with a flow regulator A device (6), the other end of the blood transfusion hose (5) is connected with a needle tube seat (7), a pinch handle (8) is installed on the side of the needle tube seat (7), and the needle tube seat (7) A puncture needle (9) is connected to the bottom end of the puncture needle (9), a protective sleeve (10) is sleeved on the outer peripheral surface of the puncture needle (9), and the outer surface of the needle holder (7) is covered with a clamping assembly (11) , the clamping assembly (11) includes a first clamping block (12) and a second clamping block (13) which are mirror-image opposite and spliced together, and the interiors of the first clamping block (12) and the second clamping block (13) are both A placement slot (14) is provided, the placement slot (14) is vertically arranged, and the blood transfusion hose (5), the needle tube holder (7) and the pinch handle (8) can be wrapped in the first clamp. The clamping assembly (11) composed of the block (12) and the second clamping block (13) is cylindrical, and the clamping assembly (11) is provided with a holding end (15) and a sliding end (16), and The cross-sectional area of the grip end (15) is slightly larger than the cross-sectional area of the sliding end (16). A positioning ring (18) is provided, and the diameter of the positioning ring (18) is twice the diameter of the limiting ring (17), and a plurality of support rods are connected between the positioning ring (18) and the limiting ring (17) (19), a cross connecting frame (20) is installed inside the positioning ring (18), and a positioning hole (21) is opened in the center of the cross connecting frame (20).

2. A clinical blood collection device according to claim 1, characterized in that, a plug and a jack are respectively provided on the side surfaces of the first clamping block (12) and the second clamping block (13) which are relatively spliced together .

3. A clinical blood collection device according to claim 1, wherein the positioning hole (21), the positioning ring (18), the limiting ring (17) and the axis of the clamping assembly (11) are on the same vertical line.