CN206045089U - A kind of resistance bacterium positive pressure remaining needle device - Google Patents
A kind of resistance bacterium positive pressure remaining needle device Download PDFInfo
- Publication number
- CN206045089U CN206045089U CN201620777928.5U CN201620777928U CN206045089U CN 206045089 U CN206045089 U CN 206045089U CN 201620777928 U CN201620777928 U CN 201620777928U CN 206045089 U CN206045089 U CN 206045089U
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- tee
- silica gel
- supervisor
- piston
- positive pressure
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Abstract
This utility model is related to a kind of resistance bacterium positive pressure remaining needle device, it includes tee T, described tee T includes supervisor and side pipe, the supervisor bottom of described tee T is provided with base, described base central upper portion is provided with sliding chamber, piston is provided with the inside of supervisor's upper port of described tee T, described piston lower portion is connected with the medial surface in sliding chamber, spring is connected between the bottom in the lower end of described piston and sliding chamber, the first sealing ring is provided between described piston and the supervisor of tee T, the second sealing ring is provided between described piston and sliding chamber, the first external screw thread is provided with the outside of the supervisor upper end of described tee T, the side pipe mouth of pipe of described tee T is provided with silica gel plug, the silica gel gag being connected with the side pipe of tee T is provided with the outside of described silica gel plug, described silica gel plug outer side of lid is provided with the second external screw thread；This utility model effectively prevents liquid backflow, pipeline blockage, with advantage rational in infrastructure, easy to operate.
Description
Technical field
This utility model belongs to medical device technical field, more particularly to a kind of remaining needle, and in particular to a kind of resistance bacterium is just
Pressure indwelling needle device.
Background technology
The use of remaining needle can reduce patient repeatedly venipuncture and cause pain and the fear to having an injection, mitigate suffer from
The impatience of person, is easy to clinical application, anxious, the rescue medication of critical patient to mitigate the workload of nurse, reduces patient's pain
Bitterly, thus venous detaining needle is in wide clinical application；This year, the patented product for having many " positive pressure connectors ", but all the time can not
The formation of anti-tampon, is completed after transfusion using existing remaining needle, in order to prevent blocking infusion channel, it is necessary to use normal saline
Washing pipe, it is complete to use heparin sodium tube sealing afterwards, siphunculus is carried out again per 6-8 hours, therefore workload is very big, in addition, using traditional indwelling
During pin, when the care program of siphunculus is carried out, substantial amounts of thrombosis can be poured in the blood vessel of human body, be produced very serious potential
Hidden danger, and acute vascular class disease can be produced；Malleation, after removing transfusion device, liquid can not be formed after existing retention needle infusion
Body easily flows back, and causes pipeline blockage；Therefore it provides after one kind removes transfusion device, major branch, side shoot can form malleation, so as to anti-
Only liquid backflow, prevents the resistance bacterium positive pressure remaining needle device of pipeline blockage.
The content of the invention
The purpose of this utility model is, in order to overcome the deficiencies in the prior art, and to provide after one kind removes transfusion device, major branch,
Side shoot can form malleation, so as to prevent liquid from flowing back, prevent the resistance bacterium positive pressure remaining needle device of pipeline blockage.
What the purpose of this utility model was realized in：A kind of resistance bacterium positive pressure remaining needle device, it includes tee T, described
Tee T include supervisor and side pipe, the supervisor bottom of described tee T is provided with base, described base upper outside with
It is provided with gap between supervisor's inwall of tee T, described base central upper portion is provided with sliding chamber, the master of described tee T
It is provided with piston on the inside of pipe upper port, described piston lower portion is connected with the medial surface in sliding chamber, the lower end of described piston and cunning
Spring is connected between the bottom in chamber, the first sealing ring, described work between described piston and the supervisor of tee T, is provided with
It is provided with the second sealing ring between plug and sliding chamber, on the outside of the supervisor upper end of described tee T, is provided with the first external screw thread, it is described
The side pipe mouth of pipe of tee T be provided with silica gel plug, crack is provided with the middle part of described silica gel plug, is set on the outside of described silica gel plug
It is equipped with the silica gel gag being connected with the side pipe of tee T, described silica gel gag is tubular structure, described silica gel plug outer side of lid
It is provided with the second external screw thread.
The middle part of described base is tightly connected with the lower nozzle of the supervisor of tee T.
Described base bottom is provided with the through hole that the gap between base and tee T connects.
The side pipe pipeline of described tee T is connected with the gap between base and tee T.
Silica gel plug two ends are run through in the crack arranged in the middle part of described silica gel plug.
Described piston upper and lower ends are provided with annular recessed with what the first sealing ring and the second sealing ring were engaged respectively
Groove.
The material of the first described sealing ring and the second sealing ring is silica gel.
The beneficial effects of the utility model：The scheme of this utility model design, after removing transfusion device, tee T supervisor, side
Pipe can form malleation, so as to prevent liquid from flowing back, prevent pipeline blockage；This utility model effectively prevents liquid backflow, pipeline from blocking up
Plug, with advantage rational in infrastructure, easy to operate.
Description of the drawings
Fig. 1 is a kind of sectional view of resistance bacterium positive pressure remaining needle device of this utility model.
Fig. 2 is a kind of front view of resistance bacterium positive pressure remaining needle device of this utility model.
Fig. 3 is a kind of upward view of resistance bacterium positive pressure remaining needle device of this utility model.
In figure：1st, the first sealing ring 2, the second sealing ring 3, tee T 4, base 5, piston 6, spring 7,
Silica gel plug 8, silica gel gag 9, the first external screw thread 10, the second external screw thread 11, sliding chamber 12, crack.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further.
Embodiment 1
As Figure 1-3, a kind of resistance bacterium positive pressure remaining needle device, it includes tee T 3, and described tee T 3 includes master
Pipe and side pipe, the supervisor bottom of described tee T 3 are provided with the master of base 4, described 4 upper outside of base and tee T 3
It is provided with gap between inside pipe wall, described 4 central upper portion of base is provided with sliding chamber 11, the supervisor upper end of described tee T 3
Mouthful inner side is provided with piston 5, and described 5 bottom of piston be connected with the medial surface in sliding chamber 11, the lower end of described piston 5 and slides chamber
Spring 6 is connected between 11 bottom, the first sealing ring 1 between described piston 5 and the supervisor of tee T 3, is provided with, it is described
Piston 5 and sliding chamber 11 between be provided with the second sealing ring 2, be provided with outside first on the outside of the supervisor upper end of described tee T 3
Screw thread 9, the side pipe mouth of pipe of described tee T 3 are provided with silica gel plug 7, and crack 12 is provided with the middle part of described silica gel plug 7, described
Silica gel plug 7 on the outside of be provided with the silica gel gag 8 being connected with the side pipe of tee T 3, described silica gel gag 8 is tubular structure,
The second external screw thread 10 is provided with the outside of described silica gel gag 8.
This utility model is to prevent plugging risk, specific embodiment by producing malleation：The side pipe silica gel plug of tee T
Upper end processes one crack by equipment above, and when not infusing, the side pipe of tee T is by silica gel plug and silica gel gag interference
Coordinate and ensure sealing, it is more smooth that silica gel plug covers face, so as to ensure easily sterilization, antibacterial is not easy to retain in mating surface；Transfusion
When, coordinate the second external screw thread, transfusion device is screwed on silica gel plug lid, and the crack of silica gel plug can be backed down by transfusion device, make transfusion device with
Remaining needle threeway is internally formed path；After transfusion, transfusion device is twisted off from silica gel lid, and silica gel plug can be rebounded automatically, so that splitting
Seam closure；The supervisor of tee T reaches positive-pressure function by piston movement；When not infusing, piston makes piston by spring-force driven dual
Rise in place, further through the effect of the first sealing ring on piston, make tee T and piston seal, it is ensured that liquid will not be from first
Flow out above sealing ring, by the second sealing ring and the interference fit in the sliding chamber of base, it is ensured that liquid does not flow into chassis interior,
Guarantee that liquid will not be contacted with spring；During transfusion, coordinate the first external screw thread, by piston, transfusion device can be by piston for transfusion device
Depress, make transfusion device path is internally formed with remaining needle threeway；After transfusion, transfusion device is twisted off from the first external screw thread, living
Plug can under spring force, the first sealing ring can with tee T interference fit, the second sealing ring meeting and base engagement, so as to protect
Card liquid does not leak.
Embodiment 2
As Figure 1-3, a kind of resistance bacterium positive pressure remaining needle device, it includes tee T 3, and described tee T 3 includes master
Pipe and side pipe, the supervisor bottom of described tee T 3 are provided with the master of base 4, described 4 upper outside of base and tee T 3
It is provided with gap between inside pipe wall, described 4 central upper portion of base is provided with sliding chamber 11, the supervisor upper end of described tee T 3
Mouthful inner side is provided with piston 5, and described 5 bottom of piston be connected with the medial surface in sliding chamber 11, the lower end of described piston 5 and slides chamber
Spring 6 is connected between 11 bottom, the first sealing ring 1 between described piston 5 and the supervisor of tee T 3, is provided with, it is described
Piston 5 and sliding chamber 11 between be provided with the second sealing ring 2, be provided with outside first on the outside of the supervisor upper end of described tee T 3
Screw thread 9, the side pipe mouth of pipe of described tee T 3 are provided with silica gel plug 7, and crack 12 is provided with the middle part of described silica gel plug 7, described
Silica gel plug 7 on the outside of be provided with the silica gel gag 8 being connected with the side pipe of tee T 3, described silica gel gag 8 is tubular structure,
The second external screw thread 10 is provided with the outside of described silica gel gag 8.
The middle part of described base 4 is tightly connected with the lower nozzle of the supervisor of tee T 3；Described 4 bottom of base is arranged
There is the through hole connected with the gap between base 4 and tee T 3；The side pipe pipeline of described tee T 3 and base 4 and tee T
Gap connection between 3；7 two ends of silica gel plug are run through in the crack 12 arranged in the middle part of described silica gel plug 7；Described piston is about 5
Two ends are provided with the annular groove being engaged with the first sealing ring 1 and the second sealing ring 2 respectively；The first described sealing ring 1
Silica gel is with the material of the second sealing ring 2.
This utility model is to prevent plugging risk, specific embodiment by producing malleation：The side pipe silica gel plug of tee T
Upper end processes one crack by equipment above, and when not infusing, the side pipe of tee T is by silica gel plug and silica gel gag interference
Coordinate and ensure sealing, it is more smooth that silica gel plug covers face, so as to ensure easily sterilization, antibacterial is not easy to retain in mating surface；Transfusion
When, coordinate the second external screw thread, transfusion device is screwed on silica gel plug lid, and the crack of silica gel plug can be backed down by transfusion device, make transfusion device with
Remaining needle threeway is internally formed path；After transfusion, transfusion device is twisted off from silica gel lid, and silica gel plug can be rebounded automatically, so that splitting
Seam closure；The supervisor of tee T reaches positive-pressure function by piston movement；When not infusing, piston makes piston by spring-force driven dual
Rise in place, further through the effect of the first sealing ring on piston, make tee T and piston seal, it is ensured that liquid will not be from first
Flow out above sealing ring, by the second sealing ring and the interference fit in the sliding chamber of base, it is ensured that liquid does not flow into chassis interior,
Guarantee that liquid will not be contacted with spring；During transfusion, coordinate the first external screw thread, by piston, transfusion device can be by piston for transfusion device
Depress, make transfusion device path is internally formed with remaining needle threeway；After transfusion, transfusion device is twisted off from the first external screw thread, living
Plug can under spring force, the first sealing ring can with tee T interference fit, the second sealing ring meeting and base engagement, so as to protect
Card liquid does not leak.
Claims (7)
1. a kind of to hinder bacterium positive pressure remaining needle device, it includes tee T, it is characterised in that：Described tee T includes supervisor and side
Pipe, the supervisor bottom of described tee T is provided with base, between described base upper outside and supervisor's inwall of tee T
It is provided with gap, described base central upper portion is provided with sliding chamber, on the inside of supervisor's upper port of described tee T, is provided with work
Plug, described piston lower portion are connected with the medial surface in sliding chamber, are connected with bullet between the described lower end of piston and the bottom in sliding chamber
Spring, is provided with the first sealing ring between described piston and the supervisor of tee T, the is provided between described piston and sliding chamber
Two sealing rings, are provided with the first external screw thread on the outside of the supervisor upper end of described tee T, and the side pipe mouth of pipe of described tee T sets
Silica gel plug is equipped with, crack in the middle part of described silica gel plug, is provided with, the side pipe company with tee T on the outside of described silica gel plug, is provided with
The silica gel gag for connecing, described silica gel gag is tubular structure, and described silica gel plug outer side of lid is provided with the second external screw thread.
2. one kind according to claim 1 hinders bacterium positive pressure remaining needle device, it is characterised in that：The middle part of described base with
The lower nozzle of the supervisor of tee T is tightly connected.
3. one kind according to claim 1 hinders bacterium positive pressure remaining needle device, it is characterised in that：Described base bottom is arranged
The through hole for having the gap between base and tee T to connect.
4. one kind according to claim 1 hinders bacterium positive pressure remaining needle device, it is characterised in that：The side pipe of described tee T
Gap between pipeline and base and tee T connects.
5. one kind according to claim 1 hinders bacterium positive pressure remaining needle device, it is characterised in that：Set in the middle part of described silica gel plug
Silica gel plug two ends are run through in the crack put.
6. one kind according to claim 1 hinders bacterium positive pressure remaining needle device, it is characterised in that：Described piston upper and lower ends
It is provided with the annular groove being engaged with the first sealing ring and the second sealing ring respectively.
7. one kind according to claim 1 hinders bacterium positive pressure remaining needle device, it is characterised in that：Described the first sealing ring and
The material of the second sealing ring is silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620777928.5U CN206045089U (en) | 2016-07-23 | 2016-07-23 | A kind of resistance bacterium positive pressure remaining needle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620777928.5U CN206045089U (en) | 2016-07-23 | 2016-07-23 | A kind of resistance bacterium positive pressure remaining needle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206045089U true CN206045089U (en) | 2017-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620777928.5U Active CN206045089U (en) | 2016-07-23 | 2016-07-23 | A kind of resistance bacterium positive pressure remaining needle device |
Country Status (1)
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|---|---|
| CN (1) | CN206045089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469191A (en) * | 2017-09-26 | 2017-12-15 | 湖北楚天药业有限责任公司 | A kind of anti-venous indwelling needle |
-
2016
- 2016-07-23 CN CN201620777928.5U patent/CN206045089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469191A (en) * | 2017-09-26 | 2017-12-15 | 湖北楚天药业有限责任公司 | A kind of anti-venous indwelling needle |
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