CN106390221A - Medical push-pull type needless infusion connector - Google Patents
Medical push-pull type needless infusion connector Download PDFInfo
- Publication number
- CN106390221A CN106390221A CN201610537115.3A CN201610537115A CN106390221A CN 106390221 A CN106390221 A CN 106390221A CN 201610537115 A CN201610537115 A CN 201610537115A CN 106390221 A CN106390221 A CN 106390221A
- Authority
- CN
- China
- Prior art keywords
- needle
- infusion
- transfusion
- needless
- type
- 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
- 238000001802 infusion Methods 0.000 title abstract description 23
- 239000003292 glue Substances 0.000 claims description 37
- 239000011796 hollow space material Substances 0.000 claims description 3
- 239000008280 blood Substances 0.000 abstract description 9
- 210000004369 blood Anatomy 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 208000012260 Accidental injury Diseases 0.000 abstract 1
- 208000001848 dysentery Diseases 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 10
- 238000007789 sealing Methods 0.000 description 9
- 208000007536 Thrombosis Diseases 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 3
- 238000001467 acupuncture Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000006378 damage Effects 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
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
- 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
- A61M2005/1401—Functional features
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
The invention provides a medical push-pull type needless infusion connector. The medical push-pull type needless infusion connector comprises a needless infusion head and a needless infusion connector body, wherein the needless infusion head and the needless infusion connector body are connected through threads, the needless infusion connector body is connected with a push rod, the push rod is placed in an infusion tube, and the infusion tube is connected with a Ruhr connector. The medical push-pull type needless infusion connector is simple in structure and easy to operate, after the needless infusion head is inserted from a through hole of the needless infusion connector body for squeezing closing rubber, the two pieces closing rubber deform, and after an infusion passage is formed after the deformation, the infusion can be carried out. According to the medical push-pull type needless infusion connector, due to the adoption of the needless connection structure, the accidental injuries possibly caused to the nurses and patients by the transdermal needle can be avoided, and the problem that when the transdermal needle is used for infusion, after the infusion is finished, during the process of drawing out the transdermal needle, blood can backwards flow into a catheter of an indwelling needle is solved.
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 clotting
It is impossible to infuse again, serious possibility produces thrombus 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 plug-type no-needle transfusion joint.
The technical scheme is that and be achieved in that：
A kind of medical plug-type no-needle transfusion joint, includes no-needle transfusion head and no-needle transfusion joint, described no-needle transfusion head and
No-needle transfusion joint screw thread connects, and no-needle transfusion joint is connected with push rod, and push rod is placed in woven hose, woven hose and female Luer
Connect.
There is screw thread, transfusion through hole is arranged at top outside described no-needle transfusion joint.
Described push rod extends woven hose partial insertion and is fixed in no-needle transfusion joint.
Described push 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 push rod, and transfusion duct is through to push rod bottom
Portion.
Closed-loop is arranged at described push rod bottom.
Described closed-loop is polycyclic closed-loop.
Described closed-loop is double-ring closed-loop.
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 multilayer enclosed ring it is ensured that the sealing in space of infusing in helix tube, effectively prevents outside liquid
Ooze.
3. after stopping infusion, back-out no-needle transfusion head when, closing glue elasticity deformation reset, closing glue reset when formed negative
Pressure, draws blood in conduit, and the present invention can advance no-needle transfusion joint after blood is extracted in conduit, so that push rod is advanced,
The blood flowing into urges back into blood vessel, prevents thrombosis.
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 inventive closure glue front view.
Fig. 4 is inventive closure glue top view.
1- no-needle transfusion head；2- no-needle transfusion joint；3- push rod；4- closes glue；5- closed-loop；6- woven hose；7- infuses
Duct；8- female Luer.
Specific embodiment
As shown in figure 1, the present invention includes no-needle transfusion head and no-needle transfusion joint, described no-needle transfusion head and no-needle transfusion
Joint screw thread connects, and no-needle transfusion joint is connected with push rod, and push rod is placed in woven hose, and woven hose is connected with female Luer.
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 push rod bottom, closed-loop be double-ring closed-loop, enclosed ring be to ensure that push rod propulsion or
When drawing high, closed-loop space over and under can not connect it is ensured that push rod propulsion or the effect that draws high.
Described push rod extends woven hose partial insertion and is fixed in no-needle transfusion joint, and described push rod top is arranged with envelope
Close glue, as shown in Figures 3 and 4, closing glue is divided into upper and lower two parts, top half closes glue and right side half by left side semicircle column
Cylindric closing glue composition, glue, left side semicircle column closing glue and the closing of right side semicircle column are closed for central column in the latter half
Glue integrated molding closed respectively by glue with central column, and described central column is closed glue hollow space and connected with the transfusion duct in push rod
Logical, transfusion duct is through to push rod bottom, and the present invention using closing glue, push rod and is set in the enclosed ring of push rod bottom and is
Make no-needle transfusion head can extrude closing glue to make it deform formation transfusion logical when no-needle transfusion head is connected with no-needle transfusion joint
Road, and when when transfusion stops, push rod advances or draws high, closed-loop space over and under can not connect, in liquid from indwelling
When being advanced into Ink vessel transfusing in pin inlying catheter, reach the effect of positive pressure tube sealing, effectively prevented thrombosis, the present invention can also be
Draw high push rod when infusing again and be reset to the effect that transfusion state just can reach negative pressure siphunculus, substantially increase the work effect of nurse
Rate, reduces nurse job amount.
Between the push rod upper limit position of the present invention and lower position, process is 2-4mm, and optimal process is 2-3.5mm, defeated
In liquid pipe, 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 plug-type no-needle transfusion joint, including no-needle transfusion head and no-needle transfusion joint it is characterised in that：Described
No-needle transfusion head is connected with no-needle transfusion joint screw thread, and no-needle transfusion joint is connected with push rod, and push rod is placed in woven hose, transfusion
Pipe is connected with female Luer.
2. the medical plug-type no-needle transfusion joint of one kind 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. the medical plug-type no-needle transfusion joint of one kind according to claim 1 it is characterised in that：Described push rod extends
Transfusion tube portion is fixed in no-needle transfusion joint.
4. the medical plug-type no-needle transfusion joint of one kind according to claim 1 it is characterised in that：Described push rod top set
It is provided with closing glue.
5. the medical plug-type no-needle transfusion joint of one kind 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. the medical plug-type no-needle transfusion joint of one kind according to claim 5 it is characterised in that：Described central column closing
Transfusion hole link in glue hollow space and push rod, transfusion duct is through to push rod bottom.
7. the medical plug-type no-needle transfusion joint of one kind according to claim 1 it is characterised in that：Described push rod bottom has
Closed-loop.
8. the medical plug-type no-needle transfusion joint of one kind according to claim 8 it is characterised in that：Described closed-loop is many
Ring-type.
9. the medical plug-type no-needle transfusion joint of one kind 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 |
|---|---|---|---|
| CN201610537115.3A CN106390221A (en) | 2016-07-11 | 2016-07-11 | Medical push-pull type needless infusion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537115.3A CN106390221A (en) | 2016-07-11 | 2016-07-11 | Medical push-pull type needless infusion connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106390221A true CN106390221A (en) | 2017-02-15 |
Family
ID=58006085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610537115.3A Pending CN106390221A (en) | 2016-07-11 | 2016-07-11 | Medical push-pull type needless infusion connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106390221A (en) |
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 |
| CN206660203U (en) * | 2016-07-11 | 2017-11-24 | 欧阳小青 | A kind of medical plug-type no-needle transfusion joint |
-
2016
- 2016-07-11 CN CN201610537115.3A patent/CN106390221A/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 |
| CN206660203U (en) * | 2016-07-11 | 2017-11-24 | 欧阳小青 | A kind of medical plug-type no-needle transfusion joint |
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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: 20170215 |