CN106421999A - Medical spiral needleless transfusion joint - Google Patents
Medical spiral needleless transfusion joint Download PDFInfo
- Publication number
- CN106421999A CN106421999A CN201610537114.9A CN201610537114A CN106421999A CN 106421999 A CN106421999 A CN 106421999A CN 201610537114 A CN201610537114 A CN 201610537114A CN 106421999 A CN106421999 A CN 106421999A
- Authority
- CN
- China
- Prior art keywords
- transfusion
- screw rod
- needleless
- needle
- transfusion joint
- 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
- 239000003292 glue Substances 0.000 claims abstract description 42
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000011796 hollow space material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 15
- 239000008280 blood Substances 0.000 abstract description 11
- 210000004369 blood Anatomy 0.000 abstract description 11
- 208000007536 Thrombosis Diseases 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 7
- 210000004204 blood vessel Anatomy 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 10
- 238000001802 infusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 238000001467 acupuncture Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 210000004761 scalp Anatomy 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- A61M5/178—Syringes
- A61M5/31—Details
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A medical spiral needleless transfusion joint comprises a needleless transfusion head and a needleless transfusion joint. The needleless transfusion head is in threaded connection with the needleless transfusion joint, the needleless transfusion joint is connected with a screw rod, the screw rod is placed in a spiral pipe, the spiral pipe is connected with a Ruer taper, and the spiral pipe is connected with the needleless transfusion joint through a thread on the outer side of the spiral pipe. The medical spiral needleless transfusion joint is simple in structure and easy to operate, the needleless transfusion head is inserted from a needleless transfusion joint through hole; after sealing glues are squeezed, the two sealing glues deform, and after the two sealing glues deform, a transfusion channel is formed, so that transfusion can be performed; a seal ring is of a multi-layer seal ring structure, the sealing performance of a transfusion space in the spiral pipe is ensured, and liquid leakage is effectively avoided. During the needleless transfusion in the prior art, after transfusion is stopped, when the needleless transfusion head is twisted out, the sealing glues elastically deform and return, negative pressure is formed when the sealing glues return, and blood is pumped into a catheter. According to the medical spiral needleless transfusion joint, after the blood is pumped into the catheter, the needleless transfusion joint can be rotated to make the screw rod move forwards, the blood flowing in is pressed back to the blood vessel, and thrombosis is avoided.
Description
Technical field
The present invention relates to medical equipment, especially a kind of preventing thrombosis no-needle transfusion being connected for conduit external with remaining needle
Joint.
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 spiral formula no-needle transfusion joint.
The technical scheme is that and be achieved in that：
A kind of medical spiral formula no-needle transfusion joint, including no-needle transfusion head and no-needle transfusion joint, described no-needle transfusion head with
No-needle transfusion joint screw thread connects, and no-needle transfusion joint is connected with screw rod, and screw rod is placed in serpentine pipe, serpentine pipe and Rule
Joint connects, and serpentine pipe and no-needle transfusion joint are by threadeding then outside serpentine pipe.
There is screw thread, transfusion through hole is arranged at top outside described no-needle transfusion joint.
Described screw rod extends serpentine pipe partial insertion and is fixed in no-needle transfusion joint.
Described screw rod top is arranged with closing glue.
Described closing glue is divided into upper and lower two parts, and top half closes glue and right side semicircle column envelope by left side semicircle column
Close glue composition, the latter half be central column close glue, left side semicircle column closing glue and right side semicircle column close glue respectively with
Central column closes glue integrated molding.
Described central column closes the transfusion hole link in glue hollow space and screw rod, and transfusion duct is through to screw rod
Bottom.
Closed-loop is arranged at described screw rod bottom.
Described closed-loop is polycyclic.
Described closed-loop is double-ring.
Compared with prior art, beneficial effects of the present invention have：
1. structure, simply it is easy to operation, no-needle transfusion head is made two pieces after no-needle transfusion tab through-hole insertion extruding closing glue
It is formed with after closing glue deformation and both deformation and can infuse during infusion channel；
2. closed-loop adopts multilamellar enclosed ring it is ensured that the sealing in space of infusing in serpentine pipe, effectively prevents outside liquid
Ooze.
3. the no-needle transfusion of prior art, transfusion stop after, back-out no-needle transfusion head when, closing glue elasticity deformation reset,
Closing glue forms negative pressure when resetting, and draws blood in conduit, and the present invention rotatable needleless after blood is extracted in conduit is defeated
Liquid joint, makes screw rod advance, the blood of inflow urges back into blood vessel, prevents thrombosiss.
4. the present invention adopts international standard luer fittings it is adaptable to all ordinary straight types and Y type remaining needle, can
Make common remaining needle have preventing thrombosis function, substantially reduce the useless pin rate of common remaining needle, saved patient's cost, meanwhile, no
Pin transfusion is also the development trend of venous transfusion.
5. the needleless attachment structure that the present invention adopts, it is to avoid the accident that scalp acupuncture is likely to cause to nurse and patient
Injury, and when present invention, avoiding using intravenous infusion with winged needle set, after stopping infusion, the process extracting scalp acupuncture out can cause backflow of blood
Enter the problem in indwelling needle catheter.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is inventive closure glue extrusion transfusion state figure.
Fig. 3 is the structural representation of inventive closure glue.
Fig. 4 is the top view of inventive closure glue.
1- no-needle transfusion head；2- no-needle transfusion joint；3- screw rod；4- closes glue；5- closed-loop；6- serpentine pipe；7- is defeated
Fluid apertures road；8- female Luer.
Specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the present invention includes no-needle transfusion head and no-needle transfusion joint, and described needleless is defeated
Liquid head is connected with no-needle transfusion joint screw thread, and no-needle transfusion joint is connected with screw rod, and screw rod is placed in serpentine pipe, serpentine pipe
It is connected with female Luer, serpentine pipe and no-needle transfusion joint pass through outside serpentine pipe threadeding then.
There is screw thread outside described no-needle transfusion joint, transfusion through hole is arranged at top, be convenient to no-needle transfusion head with its screw thread even
Connect it is easy to fix.
Closed-loop is arranged at described screw rod bottom, closed-loop be double-ring, enclosed ring be to ensure that screw rod rise or under
During fall, closed-loop space over and under can not connect the effect it is ensured that when screw rod rises or falls.
Described screw rod extends serpentine pipe partial insertion and is fixed in no-needle transfusion joint, and described screw rod top is sheathed
There is closing glue, described closing glue is divided into upper and lower two parts, top half closes glue and right side semicircle column by left side semicircle column
Closing glue composition, glue is closed for central column in the latter half, and left side semicircle column closing glue and right side semicircle column closing glue are respectively
Close glue integrated molding with central column, described central column closes the transfusion hole link in glue hollow space and screw rod, defeated
Fluid apertures road is through to screw rod bottom, and the present invention is using closing glue, screw rod and the enclosed ring being set in screw rod bottom
It is to make no-needle transfusion head can extrude closing glue to make it deform formation transfusion when no-needle transfusion head is connected with no-needle transfusion joint
Passage, and transfusion stop when screw rod rise or fall when closed-loop space over and under can not connect, liquid from
When being advanced into Ink vessel transfusing in remaining needle inlying catheter, reach the effect of positive pressure tube sealing, effectively prevented thrombosiss, the present invention is also
Screw rod rising can be reset to the effect that transfusion state just can reach negative pressure siphunculus when infusing again, substantially increase nurse's
Work efficiency, reduces nurse job amount.
Between the screw rod upper limit position of the present invention and lower position, process is 2-4mm, and optimal process is 2-3.5mm,
In tube for transfusion, the liquid volume of this process is more than the volume in transfusion road in inlying catheter pipe, therefore, either positive pressure tube sealing or negative
Pressure siphunculus is attained by the purpose of preventing thrombosis.
Claims (9)
1. a kind of medical spiral formula no-needle transfusion joint it is characterised in that：Including no-needle transfusion head and no-needle transfusion joint, described
No-needle transfusion head is connected with no-needle transfusion joint screw thread, and no-needle transfusion joint is connected with screw rod, and screw rod is placed in serpentine pipe,
Serpentine pipe is connected with female Luer, and serpentine pipe passes through threadeding of spiral pipe outer wall with no-needle transfusion joint.
2. a kind of medical spiral formula no-needle transfusion joint according to claim 1 it is characterised in that：Described no-needle transfusion connects
There is screw thread, transfusion through hole is arranged at top outside head.
3. a kind of medical spiral formula no-needle transfusion joint according to claim 1 it is characterised in that：Described screw rod extends
Go out serpentine pipe partial insertion to be fixed in no-needle transfusion joint.
4. a kind of medical spiral formula no-needle transfusion joint according to claim 1 it is characterised in that：Described screw rod top
It is arranged with closing glue.
5. a kind of medical spiral formula no-needle transfusion joint according to claim 4 it is characterised in that：Described closing glue is divided into
Two parts up and down, top half closes glue by left side semicircle column and right side semicircle column closing glue forms, and the latter half is ring
Column closes glue, and left side semicircle column closing glue and right side semicircle column closing glue are melted into central column closing glue one respectively
Type.
6. a kind of medical spiral formula no-needle transfusion joint according to claim 5 it is characterised in that：Described central column closing
Transfusion hole link in glue hollow space and screw rod, transfusion duct is through to screw rod bottom.
7. a kind of medical spiral formula no-needle transfusion joint according to claim 1 it is characterised in that：Described screw rod bottom
There is closed-loop.
8. a kind of medical spiral formula no-needle transfusion joint according to claim 8 it is characterised in that：Described closed-loop is many
Ring-type.
9. a kind of medical spiral formula no-needle transfusion joint according to claim 9 it is characterised in that：Described closed-loop is double
Ring-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537114.9A CN106421999A (en) | 2016-07-11 | 2016-07-11 | Medical spiral needleless transfusion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537114.9A CN106421999A (en) | 2016-07-11 | 2016-07-11 | Medical spiral needleless transfusion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106421999A true CN106421999A (en) | 2017-02-22 |
Family
ID=58183367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610537114.9A Pending CN106421999A (en) | 2016-07-11 | 2016-07-11 | Medical spiral needleless transfusion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106421999A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596496A (en) * | 2017-10-31 | 2018-01-19 | 安徽赢创医疗科技有限公司 | Disposable Needleless seal transfusion joint |
| CN113144320A (en) * | 2021-05-21 | 2021-07-23 | 端源医疗科技无锡有限公司 | Automatic flow stopping hemodialysis remaining needle and using method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201061638Y (en) * | 2007-08-08 | 2008-05-21 | 孙东 | Non-needle enclosed transfusion joint |
| CN203355007U (en) * | 2013-06-28 | 2013-12-25 | 广东百合医疗科技有限公司 | Needleless transfusion connector |
| WO2014169429A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Medical infusion connector for connecting to extracorporeal catheter |
| JP2015066068A (en) * | 2013-09-27 | 2015-04-13 | 株式会社トップ | Injection port structure |
| CN204337406U (en) * | 2014-12-12 | 2015-05-20 | 杭州富善医疗器械有限公司 | A kind of anti-reverse streaming no-needle transfusion joint |
| CN206660236U (en) * | 2016-07-11 | 2017-11-24 | 欧阳小青 | A kind of medical spiral formula no-needle transfusion joint |
-
2016
- 2016-07-11 CN CN201610537114.9A patent/CN106421999A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201061638Y (en) * | 2007-08-08 | 2008-05-21 | 孙东 | Non-needle enclosed transfusion joint |
| WO2014169429A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Medical infusion connector for connecting to extracorporeal catheter |
| CN203355007U (en) * | 2013-06-28 | 2013-12-25 | 广东百合医疗科技有限公司 | Needleless transfusion connector |
| JP2015066068A (en) * | 2013-09-27 | 2015-04-13 | 株式会社トップ | Injection port structure |
| CN204337406U (en) * | 2014-12-12 | 2015-05-20 | 杭州富善医疗器械有限公司 | A kind of anti-reverse streaming no-needle transfusion joint |
| CN206660236U (en) * | 2016-07-11 | 2017-11-24 | 欧阳小青 | A kind of medical spiral formula no-needle transfusion joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596496A (en) * | 2017-10-31 | 2018-01-19 | 安徽赢创医疗科技有限公司 | Disposable Needleless seal transfusion joint |
| CN113144320A (en) * | 2021-05-21 | 2021-07-23 | 端源医疗科技无锡有限公司 | Automatic flow stopping hemodialysis remaining needle and using method thereof |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |