CN106421960A - Medical anti-thrombosis infusion connector - Google Patents
Medical anti-thrombosis infusion connector Download PDFInfo
- Publication number
- CN106421960A CN106421960A CN201610537157.7A CN201610537157A CN106421960A CN 106421960 A CN106421960 A CN 106421960A CN 201610537157 A CN201610537157 A CN 201610537157A CN 106421960 A CN106421960 A CN 106421960A
- Authority
- CN
- China
- Prior art keywords
- cap
- infusion
- spiral
- screw
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/20—Closure caps or plugs for connectors or open ends of tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1033—Swivel nut connectors, e.g. threaded connectors, bayonet-connectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1038—Union screw connectors, e.g. hollow screw or sleeve having external threads
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a medical anti-thrombosis infusion connector, which comprises a spiral cap, a filter plug, a spiral tube, a spiral rod and a Luer taper, wherein the spiral cap and the spiral tube are connected; the spiral cap and the spiral rod are connected; the spiral rod is arranged in the spiral tube; a sealing plug is connected to one end of the spiral rod; and the spiral tube and the Luer taper are fixedly connected. The infusion connector provided by the invention is simple in structure and easy to operate; infusion can be conducted as a scalp needle is inserted from a spiral cap through hole and runs through the sealing plug; the sealing plug is of a structure comprising multiple layers of sealing rings, so that the sealing property of an infusion space in the spiral tube is guaranteed and the formation of thrombosis is effectively prevented; after the infusion, the scalp needle is pulled out and then the spiral cap is rotated, so that the spiral rod and the sealing plug advance towards the Luer taper; and since a passage in the spiral tube is sealed by virtue of the sealing plug, liquid is permitted to flow towards the Luer taper only when the sealing plug is propelled, even though liquid in an entire retaining needle infusion pipeline is propelled into a blood vessel in the travel of the sealing plug, so that the problem that blood flows back into the infusion pipeline due to negative pressure which is instantaneously formed in the retaining needle infusion needle when the scalp needle is pulled out is solved.
Description
Technical field
The present invention relates to medical equipment, especially a kind of connect for the preventing thrombosis transfusion that conduit external with remaining needle is connected
Head.
Background technology
In clinical treatment, when patient needs repeatedly to infuse it will usually use non small cellCatheter, the outer indwelling of human body is led
The docking mode of pipe and transfusion device is divided into pin and needleless docking.One kind of the prior art has pin docking mode, medical infusion
Joint is made up of connecting seat and the fittings body affixed with it, and this fittings body is also commonly known as calparine cap.Transfusion device needle tubing from
The seal rubber plug insertion at fittings body top.While transfusion device needle tubing is extracted in transfusion end of a period, the former space occupying of needle tubing is close to true
Empty thus producing negative pressure in inlying catheter, blood can flow backwards in inlying catheter from blood vessel, and refluence blood causes blood coagulation
It is impossible to infuse again, serious possibility produces thrombosis to blocking inlying catheter, damages to sufferer.Therefore, medical worker is usual
Need to take a tube sealing syringe carrying puncture needle tubing that inlying catheter is rinsed with tube sealing, syringe needle tube during tube sealing operation
Penetrate from calparine cap plug, enter calparine cap inner chamber, necessarily occupy calparine cap intracavity space, and at the end of tube sealing, medical worker
Need side to withdraw from syringe needle tube edge and inject tube-sealing solution, replenish the space that needle tubing occupies, in order to avoid forming negative pressure in inlying catheter.
This complex operation and still can remain the space that tube-sealing solution finally cannot be filled up, negative pressure still can produce, in order to make up this not
Foot, traditionally after not going up flow-stopping clip clamping extension tube, flow-stopping clip is slided by heavy rain toward conduit tube component direction, makes extension tube gradually
It is extruded, clamp-on inlying catheter inner chamber by extending liquid in pipe, drive refluence blood out of, but slide when flow-stopping clip is clamped with extension tube
Resistance is big, drawing extension tube, easily elongates extension tube and attenuates, conduit tube component during indwelling, through multiple drawing, draw by serious meeting
Disconnected extension tube and cause hemorrhage, add that conduit tube component indwelling is pasted onto on sufferer body, extension tube limited length, if drawing is not
Careful, conduit tube component can be pulled out sufferer body, in order to avoid above-mentioned accident occurs, overcautious during medical worker's operation, have
When flow-stopping clip drawing length not, still can not be completely secured and blood inside catheters are driven totally, therefore this mode of operation is invisible
Increased medical personnel's workload and psychological burden.
Content of the invention
The present invention, in order to solve above-mentioned technical problem, provides a kind of medical preventing thrombosis infusion connector.
The technical scheme is that and be achieved in that：
A kind of medical preventing thrombosis infusion connector, including screw-cap, filtering plug, serpentine pipe, screw rod and female Luer, described spiral
Cap is connected with serpentine pipe, and screw-cap is connected with screw rod, and screw rod is arranged in serpentine pipe, and closing cock is with screw rod one end even
Connect, serpentine pipe is fixedly connected with female Luer.
There is passage, for placing screw rod in described serpentine pipe.
Described serpentine pipe top outer rim has external screw thread, and serpentine pipe is threaded connection with screw-cap.
Described screw rod top is fixed in screw-cap.
Described screw rod is hollow column, and closing glue is arranged at top, and screw rod is arranged with closing cock outside bottom.
Described closing cock outer rim has multiple closed-loop, and closed-loop external diameter is more than infusion channel in serpentine pipe.
Through hole is arranged at described screw-cap top, facilitates scalp acupuncture to insert.
Described screw-cap is at least 1-4mm with the stroke of threadeding of serpentine pipe.
Described spiral bottom of the tube has funnel-form through hole, for intravenous infusion with winged needle set.
Compared with prior art, beneficial effects of the present invention have：
1. structure, simply it is easy to operation, scalp acupuncture is passed from the insertion of screw-cap through hole and can infuse after closing cock；
2. closing cock adopt multilamellar enclosed ring it is ensured that serpentine pipe in transfusion space sealing, effectively anti-tampon shape
Become.
3. after stopping infusion, extract scalp acupuncture and then rotating screw cap, make screw rod and closing cock toward female Luer direction
Advance, because closing cock encloses serpentine pipe internal channel, during closing cock propulsion, liquid can only flow toward at female Luer, even if
Liquid in closing cock stroke advances toward the liquid of whole retention needle infusion pipeline toward Ink vessel transfusing, solves due to extracting scalp acupuncture
When retention needle infusion pipeline in moment formed negative pressure lead to backflow of blood to enter the problem of pipe.
4. screw-cap of the present invention, serpentine pipe and screw rod use whole clearing structure, when using, can be clear
See scalp acupuncture insertion depth, thus facilitating nurse to use, reducing work mistake rate, greatly increasing work efficiency.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the closed mode figure of the present invention.
1- screw-cap；2- screw rod；3- serpentine pipe；4- closes glue；5- female Luer；6- closing cock；7- closed-loop；8- leads to
Hole；9- funnel-form through hole；10- infusion channel.
Specific embodiment
As shown in Figures 1 and 2, the present invention includes screw-cap, filtering plug, serpentine pipe, screw rod and female Luer, described spiral shell
Turncap coil connects, and screw-cap is connected with screw rod, and screw rod is arranged in serpentine pipe, and closing cock is connected with screw rod one end,
Serpentine pipe is fixedly connected with female Luer.
There is passage, for placing screw rod, top outer rim has external screw thread, and serpentine pipe is passed through with screw-cap in described serpentine pipe
Threaded, screw-cap is at least 1-4mm with the stroke of threadeding of serpentine pipe, for the screw rod being fixedly connected with screw-cap
Propulsion in serpentine pipe infusion channel and reset, the trip is also shift motion in infusion channel for the screw rod simultaneously, spiral shell
Swing arm top is inserted into socket in screw-cap, and contact pin through hole is arranged at spiral club shaft top, and through hole is worn to bottom from top, and contact pin leads to
Closing glue is arranged at hole top, is arranged with closing cock outside screw rod bottom, and scalp acupuncture passes closing cock from closing glue insertion, until to pin
Head is placed in infusion channel.
Described closing cock outer rim has multiple closed-loop, and closed-loop external diameter is more than infusion channel in serpentine pipe, and effect is to protect
Card infusion channel sealing, prevents blood backflow during transfusion, and after transfusion stops, ensureing infusion channel section during screw rod propulsion
Isopyknic remaining needle section liquid is flowed to Ink vessel transfusing as pressure source by liquid, solves to extract during scalp acupuncture and scalp acupuncture passes envelope
Occlusive part divides isopyknic blood to pass back into the problem in indwelling needle tract, the formation of thrombosis effectively in prevention conduit.
After stopping infusion, again infuse when, present nurse have to using syringe indwelling needle catheter is carried out negative pressure lead to
The program of pipe, and the present invention just can reach the effect of negative pressure siphunculus when screw rod resets, and substantially increases the work effect of nurse
Rate, reduces nurse job amount.
Through hole is arranged at described screw-cap top, facilitates scalp acupuncture to insert.
Described spiral bottom of the tube has funnel-form through hole, for intravenous infusion with winged needle set.
Screw-cap is optimal 2-3.5mm with the stroke of threadeding of serpentine pipe.
Claims (10)
1. a kind of medical preventing thrombosis infusion connector it is characterised in that：Including screw-cap, closing cock, serpentine pipe, screw rod and Rule
Joint, described screw-cap is connected with serpentine pipe, and screw-cap is connected with screw rod, and screw rod is arranged in serpentine pipe, closing cock with
Screw rod one end connects, and serpentine pipe is fixedly connected with female Luer.
2. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Have logical in described serpentine pipe
Road, for placing screw rod.
3. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Outside described serpentine pipe top
Edge has external screw thread, and serpentine pipe is threaded connection with screw-cap.
4. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Described screw rod top is solid
In screw-cap.
5. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Described screw rod is hollow
Column, closing glue is arranged at top, and screw rod is arranged with closing cock outside bottom.
6. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Described closing cock outer rim has
Multiple closed-loop, closed-loop external diameter is more than infusion channel in serpentine pipe.
7. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Described closing cock is silicon
Glue.
8. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Described screw-cap top has
Through hole, facilitates scalp acupuncture to insert.
9. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Described screw-cap and spiral
The threaded stroke of pipe is at least 1-4mm.
10. a kind of medical preventing thrombosis infusion connector according to claim 1 it is characterised in that：Described spiral bottom of the tube
There is funnel-form through hole, for intravenous infusion with winged needle set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537157.7A CN106421960A (en) | 2016-07-11 | 2016-07-11 | Medical anti-thrombosis infusion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537157.7A CN106421960A (en) | 2016-07-11 | 2016-07-11 | Medical anti-thrombosis infusion connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106421960A true CN106421960A (en) | 2017-02-22 |
Family
ID=58183383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610537157.7A Pending CN106421960A (en) | 2016-07-11 | 2016-07-11 | Medical anti-thrombosis infusion connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106421960A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308520A (en) * | 2017-08-11 | 2017-11-03 | 湖南平安医械科技有限公司 | A kind of batching pig and venous detaining needle |
| CN107551350A (en) * | 2017-09-08 | 2018-01-09 | 欧阳小青 | A kind of remaining needle thrombosis prevention device |
| CN108635666A (en) * | 2018-07-17 | 2018-10-12 | 锦州诺德医疗器械科技有限公司 | A kind of calparine cap |
| CN110384858A (en) * | 2018-04-18 | 2019-10-29 | 蔡溪进 | The infusion closing type joint for preventing medical fluid or body fluid from leaking outside |
| CN112274728A (en) * | 2020-05-21 | 2021-01-29 | 山东朱氏药业集团有限公司 | Indwelling needle assembly with blood coagulation and anticoagulation functions switched and processing and manufacturing method |
| US11235135B2 (en) | 2018-03-19 | 2022-02-01 | Hsi-Chin Tsai | Body-fluid-and-medication leak-proof and closed medical connector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204072962U (en) * | 2014-09-01 | 2015-01-07 | 谢世庚 | Spiral push-rod preventing thrombosis venous detaining needle |
-
2016
- 2016-07-11 CN CN201610537157.7A patent/CN106421960A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204072962U (en) * | 2014-09-01 | 2015-01-07 | 谢世庚 | Spiral push-rod preventing thrombosis venous detaining needle |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308520A (en) * | 2017-08-11 | 2017-11-03 | 湖南平安医械科技有限公司 | A kind of batching pig and venous detaining needle |
| CN107551350A (en) * | 2017-09-08 | 2018-01-09 | 欧阳小青 | A kind of remaining needle thrombosis prevention device |
| US11235135B2 (en) | 2018-03-19 | 2022-02-01 | Hsi-Chin Tsai | Body-fluid-and-medication leak-proof and closed medical connector |
| US11865293B2 (en) | 2018-03-19 | 2024-01-09 | Hsi-Chin Tsai | Body-fluid-and-medication leak-proof and closed medical connector |
| CN110384858A (en) * | 2018-04-18 | 2019-10-29 | 蔡溪进 | The infusion closing type joint for preventing medical fluid or body fluid from leaking outside |
| CN110384858B (en) * | 2018-04-18 | 2021-05-18 | 蔡溪进 | Transfusion closed joint for preventing leakage of liquid medicine or body fluid |
| CN108635666A (en) * | 2018-07-17 | 2018-10-12 | 锦州诺德医疗器械科技有限公司 | A kind of calparine cap |
| CN112274728A (en) * | 2020-05-21 | 2021-01-29 | 山东朱氏药业集团有限公司 | Indwelling needle assembly with blood coagulation and anticoagulation functions switched and processing and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
| RJ01 | Rejection of invention patent application after publication |