CN106421961A - Medical anti-thrombus spiral-propulsion transfusion connector - Google Patents
Medical anti-thrombus spiral-propulsion transfusion connector Download PDFInfo
- Publication number
- CN106421961A CN106421961A CN201610537161.3A CN201610537161A CN106421961A CN 106421961 A CN106421961 A CN 106421961A CN 201610537161 A CN201610537161 A CN 201610537161A CN 106421961 A CN106421961 A CN 106421961A
- Authority
- CN
- China
- Prior art keywords
- screw
- spiral
- cap
- connector according
- preventing thrombosis
- 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
- A61M25/00—Catheters; Hollow probes
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
-
- 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
- A61M2039/1066—Tube connectors; Tube couplings having protection means, e.g. sliding sleeve to protect connector itself, shrouds to protect a needle present in the connector, protective housing, isolating sheath
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A medical anti-thrombus spiral-propulsion transfusion connector comprises a spiral cap, a sealing plug, a spiral tube, a spiral rod and a Luer connector, wherein the spiral cap is connected to the spiral tube; the spiral cap is connected to the spiral rod; the spiral rod is disposed inside the spiral tube; the sealing plug is connected to one end of the spiral rod; and the spiral tube is firmly connected to the Luer connector. According to the invention, the structure is simple; operations are easy; transfusion can be conducted after a scalp needle is inserted from a through hole of the spiral cap and passes through the sealing plug; the sealing plug adopts a multi-layer sealing ring structure, so that transfusion space inside the spiral tube is kept sealed, and thrombus generation can be prevented effectively; after finishing of the transfusion, the scalp needle is pulled out, and the spiral cap is rotated, so that the spiral rod and the sealing plug can be moved towards the Luer connector; and a channel inside the spiral tube is sealed by the sealing plug, so that a liquid can only flow to the Luer connector when the sealing plug is propelled, namely the liquid in a stroke of the sealing plug and a liquid in a whole remaining needle transfusion pipeline are propelled into a blood vessel. In this way, the problem that blood flows back into the pipeline due to a negative pressure which is formed instantly inside the remaining needle transfusion pipeline when the scalp needle is pulled out can be 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 screw propulsion infusion connector.
The technical scheme is that and be achieved in that：
A kind of medical preventing thrombosis screw propulsion infusion connector, including screw-cap, closing cock, serpentine pipe, screw rod and female Luer,
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 and screw rod
One end connects, and 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；11- scalp acupuncture.
Specific embodiment
As shown in figure 1, the present invention includes screw-cap, closing cock, serpentine pipe, screw rod and female Luer, described screw-cap
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, spiral
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 screw propulsion infusion connector it is characterised in that：Including screw-cap, closing cock, serpentine pipe, spiral
Bar and female Luer, 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 is connected with screw rod one end, and serpentine pipe is fixedly connected with female Luer.
2. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described spiral
There is passage, for placing screw rod in pipe.
3. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described spiral
Pipe top outer rim has external screw thread, and serpentine pipe is threaded connection with screw-cap.
4. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described spiral
Masthead portion is fixed in screw-cap.
5. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described spiral
Bar is hollow column, and closing glue is arranged at top, and screw rod is arranged with closing cock outside bottom.
6. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described closing
Edge has multiple closed-loop beyond the Great Wall, and closed-loop external diameter is more than infusion channel in serpentine pipe.
7. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described closing
Fill in for silica gel.
8. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described spiral
There is through hole in crown portion, facilitates scalp acupuncture to insert.
9. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described spiral
Cap is at least 1-4mm with the stroke of threadeding of serpentine pipe.
10. a kind of medical preventing thrombosis screw propulsion infusion connector according to claim 1 it is characterised in that：Described spiral shell
Funnel-form through hole is arranged at coil bottom, for intravenous infusion with winged needle set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537161.3A CN106421961A (en) | 2016-07-11 | 2016-07-11 | Medical anti-thrombus spiral-propulsion transfusion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537161.3A CN106421961A (en) | 2016-07-11 | 2016-07-11 | Medical anti-thrombus spiral-propulsion transfusion connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106421961A true CN106421961A (en) | 2017-02-22 |
Family
ID=58183455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610537161.3A Pending CN106421961A (en) | 2016-07-11 | 2016-07-11 | Medical anti-thrombus spiral-propulsion transfusion connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106421961A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107551350A (en) * | 2017-09-08 | 2018-01-09 | 欧阳小青 | A kind of remaining needle thrombosis prevention device |
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 CN201610537161.3A patent/CN106421961A/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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107551350A (en) * | 2017-09-08 | 2018-01-09 | 欧阳小青 | A kind of remaining needle thrombosis prevention device |
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|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |