CN208927277U - Built-up piston and its matching used high pressure injector - Google Patents
Built-up piston and its matching used high pressure injector Download PDFInfo
- Publication number
- CN208927277U CN208927277U CN201820556314.3U CN201820556314U CN208927277U CN 208927277 U CN208927277 U CN 208927277U CN 201820556314 U CN201820556314 U CN 201820556314U CN 208927277 U CN208927277 U CN 208927277U
- Authority
- CN
- China
- Prior art keywords
- piston
- built
- sealing ring
- ring
- punching
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000004080 punching Methods 0.000 claims abstract description 14
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000004073 vulcanization Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 239000003814 drug Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000011109 contamination Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 4
- 206010020751 Hypersensitivity Diseases 0.000 description 3
- 208000030961 allergic reaction Diseases 0.000 description 3
- 239000002872 contrast media Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 108091005804 Peptidases Proteins 0.000 description 2
- 239000004365 Protease Substances 0.000 description 2
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a kind of built-up piston and its matching used high pressure injectors, belong to the field of medical instrument technology, including sealing ring, the rear end connection punching ring of sealing ring, sealing ring and punching ring are integrally formed, fluting is arranged in the front end of sealing ring, and interior isolating layer on top, sealing ring and the punching ring of being arranged of slotting is fixed by piston base and the support of the fixed card slot at piston base rear portion.The utility model structure is simple, and design is rationally, easy to use, is not only able to avoid liquid medicine contamination, improves safety in utilization, additionally it is possible to prolong the service life, reduce use cost, have stronger practicability.
Description
Technical field
The utility model relates to a kind of built-up piston and its matching used high pressure injectors, belong to medical device technology neck
Domain.
Background technique
With the development of medical instrument, high pressure injector and matched syringe piston have been faced with
The upgrading of technology.Currently, syringe piston used by both at home and abroad is all made of natural rubber manufacture, and in the fabrication process
Rubber accelerator, vulcanizing agent and anti-aging agent etc. can be added to guarantee the quality of product, but in use, due to natural rubber
Organic protein contained in glue can generate protease, and patient may be made to generate allergic reaction；Meanwhile contained rubber
The rubber chemicals such as promotor, vulcanizing agent and anti-aging agent with the increase of use time, inevitably ooze out rubber surface, thus
Influence simultaneously pollution high voltage contrast agent and other medical fluids.
Utility model content
According to the above-mentioned deficiencies in the prior art, problem to be solved in the utility model is: it is simple to provide a kind of structure, if
Meter is rationally, easy to use, is not only able to avoid liquid medicine contamination, improves safety in utilization, additionally it is possible to prolong the service life, drop
The built-up piston of low use cost and its matching used high pressure injector.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
The built-up piston, including sealing ring, sealing ring rear end connection punching ring, sealing ring and punching ring one at
Fluting is arranged in the front end of type, sealing ring, and interior setting isolating layer on top of slotting, sealing ring and punching ring pass through piston base and work
The fixed card slot for filling in base rear portion, which supports, to be fixed.
Medical fluid is isolated with rubber seal ring when in use, by isolating layer on top for built-up piston, is not only able to avoid producing
Raw albumen enzyme causes the allergic reaction of patient, additionally it is possible to avoid rubber chemicals ooze out rubber surface, cause high-pressure contrast agent and
The pollution of other medical fluids, structure is simple, and design is reasonable, easy to use, safe to use, long service life.
It is further preferably, isolating layer on top and sealing ring are bonded as one or vulcanize integrated molding.
Further preferred, the material of isolating layer on top uses medical plastic or thermoplastic elastomer (TPE).
It is further preferably, isolating layer on top with a thickness of 0.1mm-5mm.
Further preferred, the front end of piston base is pyramidal structure, and angle is 120 degree -180 degree.
A kind of and matching used high pressure injector of built-up piston, including injector syringe and built-up piston, built-up piston
It is fixed by piston base and the support of the fixed card slot at piston base rear portion, built-up piston and piston base are arranged in syringe
On the inside of syringe, built-up piston, piston base and injector syringe pass through sealing ring and the inner wall mistake for being punched ring and injector syringe
It is full of mating connection.
High pressure injector cooperate front end have isolating layer on top built-up piston, can guarantee syringe using safe
Property, it prolongs its service life, it is reasonable in design.
Beneficial effect possessed by the utility model is:
1, built-up piston described in the utility model and its matching used high pressure injector structure are simple, and design is reasonable,
It is easy to use, it is at low cost, there is superior biology, chemical property, can be avoided and generate the allergic reaction that protease causes patient,
Due to the barrier action of isolating layer on top, reduces the surface area that medical fluid is contacted with the surface of sealing piston, can reduce rubber
Auxiliary agent oozes out influence of the rubber surface to high-pressure contrast agent and other medical fluids, ensure that the safety in utilization of medical fluid.
2, the resistance that built-up piston described in the utility model and its matching used high pressure injector pass through isolating layer on top
Every effect, the probability that piston is deformed by affected by high can be reduced, injector syringe medical fluid caused by avoiding because of piston deformation
Leakage, avoids the generation of malpractice.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model built-up piston；
Fig. 2 is the structural schematic diagram of the utility model pedestal；
Fig. 3 is the structural schematic diagram of the utility model high pressure injector；
Wherein, 1, isolating layer on top；2, sealing ring；3, it is punched ring；4, fixed card slot；5, piston base；6, it slots；7, group
Close piston；8, injector syringe.
Specific embodiment
The embodiments of the present invention are described further with reference to the accompanying drawing:
As shown in Figs. 1-2, the rear end of built-up piston described in the utility model, including sealing ring 2, sealing ring 2 connects punching
Ring 3 is cut out, sealing ring 2 and punching ring 3 are integrally formed, the front end setting fluting 6 of sealing ring 2, isolating layer on top 1 is set in fluting 6,
Sealing ring 2 and punching ring 3 are supported by the fixed card slot 4 at 5 rear portion of piston base 5 and piston base to be fixed.
The material of the isolating layer on top 1 use medical plastic or thermoplastic elastomer (TPE), isolating layer on top 1 with a thickness of
0.1mm-5mm。
The front end of the piston base 5 is pyramidal structure, and angle is 120 degree -180 degree.
As shown in figure 3, the described in the utility model and matching used high pressure injector of built-up piston, including syringe needle
Cylinder 8 and built-up piston 7, built-up piston 7 are supported by the fixed card slot 4 at 5 rear portion of piston base 5 and piston base and are fixed, group
Piston 7 and the setting of piston base 5 are closed in 8 inside of injector syringe, built-up piston 7, piston base 5 and injector syringe 8 pass through
The inner wall of sealing ring 2 and punching ring 3 and injector syringe 8, which is interference fitted, to be connected.
The working principle and use process of the utility model:
In use, built-up piston 7 is installed into 8 inside of injector syringe, under the action of draft, radiography is needed into medicine
Liquid is pumped into 8 inside of injector syringe, then pushes built-up piston 7 to move forward under high pressure effect again, medical fluid is pushed to
Diagnose position.
The utility model structure is simple, and design is rationally, easy to use, is not only able to avoid liquid medicine contamination, raising makes
With safety, additionally it is possible to prolong the service life, reduce use cost, there is stronger practicability.
The utility model is not limited in above-mentioned specific embodiment, and those of ordinary skill in the art are in the utility model
The variations, modifications, additions or substitutions made in essential scope, should also belong to the protection scope of the utility model.
Claims (6)
1. a kind of built-up piston, it is characterised in that: including sealing ring (2), rear end connection punching ring (3) of sealing ring (2), sealing
Ring (2) and punching ring (3) are integrally formed, the front end setting fluting (6) of sealing ring (2), and isolating layer on top is arranged in fluting (6)
(1), sealing ring (2) and punching ring (3) are solid by fixed card slot (4) support at piston base (5) and piston base (5) rear portion
It is fixed.
2. built-up piston according to claim 1, it is characterised in that: the isolating layer on top (1) and sealing ring (2) is viscous
It is connected in one or vulcanization is integrally formed.
3. built-up piston according to claim 1, it is characterised in that: the material of the isolating layer on top (1) is using doctor
With plastics or thermoplastic elastomer (TPE).
4. built-up piston according to claim 1, it is characterised in that: the isolating layer on top (1) with a thickness of
0.1mm-5mm。
5. built-up piston according to claim 1, it is characterised in that: the front end of the piston base (5) is taper knot
Structure, angle are 120 degree -180 degree.
6. a kind of high pressure injector, it is characterised in that: including injector syringe (8) and built-up piston (7), built-up piston (7) is
Any built-up piston (7), built-up piston (7) pass through piston base (5) and piston base (5) in Claims 1 to 5
The fixed card slot (4) at rear portion, which supports, to be fixed, and built-up piston (7) and piston base (5) setting are on the inside of injector syringe (8), group
It closes piston (7), piston base (5) and injector syringe (8) and passes through sealing ring (2) and punching ring (3) and injector syringe (8)
Inner wall interference fit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820556314.3U CN208927277U (en) | 2018-04-18 | 2018-04-18 | Built-up piston and its matching used high pressure injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820556314.3U CN208927277U (en) | 2018-04-18 | 2018-04-18 | Built-up piston and its matching used high pressure injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208927277U true CN208927277U (en) | 2019-06-04 |
Family
ID=66714144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820556314.3U Expired - Fee Related CN208927277U (en) | 2018-04-18 | 2018-04-18 | Built-up piston and its matching used high pressure injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208927277U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448765A (en) * | 2019-08-30 | 2019-11-15 | 深圳安特医疗股份有限公司 | Piston component and syringe |
| CN110680997A (en) * | 2019-11-04 | 2020-01-14 | 上海康德莱企业发展集团股份有限公司 | A zero-residue syringe |
| CN110898293A (en) * | 2019-12-31 | 2020-03-24 | 深圳市迈威生物科技有限公司 | Syringe piston, piston assembly and syringe |
-
2018
- 2018-04-18 CN CN201820556314.3U patent/CN208927277U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448765A (en) * | 2019-08-30 | 2019-11-15 | 深圳安特医疗股份有限公司 | Piston component and syringe |
| CN110680997A (en) * | 2019-11-04 | 2020-01-14 | 上海康德莱企业发展集团股份有限公司 | A zero-residue syringe |
| CN110898293A (en) * | 2019-12-31 | 2020-03-24 | 深圳市迈威生物科技有限公司 | Syringe piston, piston assembly and syringe |
| CN110898293B (en) * | 2019-12-31 | 2021-05-04 | 深圳市迈威生物科技有限公司 | Syringe piston, piston assembly and syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20210418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |