CN208372186U - A kind of vacuum extractor - Google Patents
A kind of vacuum extractor Download PDFInfo
- Publication number
- CN208372186U CN208372186U CN201720852884.2U CN201720852884U CN208372186U CN 208372186 U CN208372186 U CN 208372186U CN 201720852884 U CN201720852884 U CN 201720852884U CN 208372186 U CN208372186 U CN 208372186U
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- CN
- China
- Prior art keywords
- push rod
- thrust
- vacuum extractor
- elastic slice
- side plate
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Abstract
The utility model discloses a kind of vacuum extractors, including injector cartridge, the rubber ring being sequentially arranged in syringe cylinder body from inside to outside, push rod and pull handle, the side plate of the push rod is equipped with thrust brake, the thrust brake includes several thrust elastic slices being arranged parallel to each other set on push rod side plate, top is higher than push rod side board edge, the push rod is equipped with the elastic pressuring plate of strip far from the side plate of pull handle one end, it is mobile to push rod direction to press elastic pressuring plate free end, elastic pressuring plate successively touches and pushes the protrusion of several thrust elastic slices, the bending of thrust elastic slice is so that its top is lower than push rod side board edge.The vacuum extractor of the utility model, pass through the fixed vacuum extractor state of thrust brake, it is simple to operate, quick, high degree simplifies the operation of vacuum suction, improve the success rate and safety of operation, operating efficiency can be further increased, operating time is shortened, there is important practical application value to be conducive to promote.
Description
Technical field
The utility model relates to a kind of medical instruments, and in particular to a kind of aspirator.
Background technique
In the past 30 years through scope puncture negative pressure Biopsy and percutaneous puncture negative pressure Biopsy, the whole world obtained at
Ripe development.The technology is also to can be carried out tapping by the diagnosis sample for puncturing realization acquisition cell, tissue, liquid
Treatment, moreover it is possible to realize the purpose of injection treatment, the presently used vacuum extractor after puncture is ordinary syringe on the market,
Instrumentation personnel are needed to pull syringe piston in surgical procedure, after forming negative pressure, long-time both hands hand syringes piston comes
Fixed piston, it is ensured that negative pressure.This mode causes instrumentation human hand to ache, as negative pressure is unstable just cause it is acquired thin
Born of the same parents, tissue or liquid will be injected back into patient's body.
Utility model content
Purpose of utility model: the purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of vacuum suction
Device is easy to use.
Technical solution: a kind of vacuum extractor described in the utility model, including injector cartridge are successively set from inside to outside
In rubber ring, push rod and pull handle in syringe cylinder body, it is connected to the two-way cock of injector cartridge liquid outlet, the push rod
Side plate is equipped with thrust brake, and the thrust brake includes several thrust elastic slices being arranged parallel to each other set on push rod side plate,
For the thrust elastic slice towards the inclined setting in rubber ring direction, push rod side plate is fixed in thrust elastic slice bottom, and top, which is higher than, to push away
Bar side board edge, the thrust elastic slice middle part are equipped with outwardly projecting protrusion, and the push rod is equipped with far from the side plate of pull handle one end
The elastic pressuring plate of strip, the elastic pressuring plate free end extend at pull handle, press elastic pressuring plate free end to push rod direction
Mobile, elastic pressuring plate successively touches and pushes the protrusion of several thrust elastic slices, and thrust elastic slice is bent so that its top is lower than
Push rod side board edge.
Preferably, the thrust brake further include be fixed on injector cartridge hand-held part fixed block and be set to push rod it is another
The notch of side plate, the fixed block are equipped with the type groove penetrated for push rod, and rotating push-rod makes its gap edge be supported in type groove
Outer rim and then fixed push rod.
Preferably, the notch is symmetrically set on the plate of push rod two opposite sides, and the notch is U-lag.
Preferably, the fixed block is plastics fixed block or metal fixed block, and the fixed block and injector cartridge are hand-held
Ultrasonic wave melting in portion's is fixed.
Preferably, the type groove outer rim of the fixed block is equipped with locating slot compatible with the gap edge of push rod, described to lack
In the embeddable locating slot in mouth edge.
Preferably, the two-way cock is the plastics two-way cock with opening and closing valve.
Preferably, the two-way cock is switched equipped with channel valve.
Preferably, the injector cartridge liquid outlet is public female Luer, and the two-way cock is equipped with and public female Luer
Compatible female Luer interface.
Preferably, the thrust elastic slice is plastics thrust elastic slice, and the elastic pressuring plate is elasticity of plastics tabletting, the thrust
Angle between elastic slice length direction and push rod axial direction is 30 °~50 °.
Preferably, it is higher than 1~2mm of push rod side board edge at the top of the thrust elastic slice.
The utility model has the advantages that the vacuum extractor of the utility model, the negative-pressure ward being mainly used in percutaneous biopsy, by only
Pushing device fixes vacuum extractor state, and existing vacuum suction mode needs long-time both hands hand syringes piston to fix work
Plug keeps negative pressure, be easy to cause reflux, and the vacuum extractor of the utility model is simple to operate, quick, and high degree simplifies
The operation of vacuum suction, improves the success rate and safety of operation, can further increase operating efficiency, when shortening operation
Between, there is important practical application value to be conducive to promote.
Detailed description of the invention
Fig. 1 is the assembly structure diagram of the utility model；
Fig. 2 is the thrust brake structural schematic diagram of the utility model；
Fig. 3 is that the negative pressure of the utility model discharges schematic diagram；
Fig. 4 is the fixed schematic diagram of negative pressure of the utility model；
Fig. 5 is the structural blast schematic diagram of the utility model；
Fig. 6 is the fixed block front view of the utility model.
Specific embodiment
Technical solutions of the utility model are described in detail below, but the protection scope of the utility model is not limited to
The embodiment.
As shown in Figures 1 to 5, a kind of vacuum extractor of the utility model, including injector cartridge 1, from inside to outside according to
Secondary rubber ring 2, push rod 3 and pull handle 4 in injector cartridge 1, the form of rubber ring 2 are soft cone seals circle, injection
1 outer surface of device cylinder is equipped with milliliter scale, is connected to the two-way cock 5 of 1 liquid outlet of injector cartridge, the side plate of push rod 3 is equipped with
Thrust brake, thrust brake include several thrust elastic slices 6 being arranged parallel to each other set on 3 side plate of push rod, 6 court of thrust elastic slice
3 side plate of push rod, 6 length direction of thrust elastic slice and 3 axis of push rod are fixed in the inclined setting in 2 direction of rubber ring, 6 bottom of thrust elastic slice
It is 30 °~50 ° to the angle between direction, top is higher than 3 side board edge of push rod, is higher than 3 side plate side of push rod at the top of thrust elastic slice 6
1~2mm of edge, outwardly projecting protrusion 7 is equipped in the middle part of thrust elastic slice 6, and push rod 3 is equipped with strip far from the side plate of 4 one end of pull handle
Elastic pressuring plate 8,8 free end of elastic pressuring plate extends at pull handle 4, and pressing 8 free end of elastic pressuring plate is mobile to 3 direction of push rod,
Elastic pressuring plate 8 successively touches and pushes the protrusion 7 of several thrust elastic slices 6, the bending of thrust elastic slice 6 so that its top lower than pushing away
3 side board edge of bar, pushes back 1 inner wall of injector cartridge for push rod 3 when conveniently reusing, and thrust brake further includes being fixed on injection
The fixed block 9 of 1 hand-held part of device cylinder and notch 11 set on another side plate of push rod 3, fixed block 9 are equipped with and penetrate for push rod 3
Type groove 10, rotating push-rod 3 makes its 11 edge supports of notch in 10 outer rim of type groove and then fixed push rod 3, and 9 upper surface of fixed block is set
There are rotation arrows, notch 11 is symmetrically set on 3 two opposite sides plate of push rod, and notch 11 is U-lag, and fixed block 9 is fixed for plastics
Block or metal fixed block, fixed block 9 and the melting of 1 hand-held part ultrasonic wave of injector cartridge are fixed, and 10 outer rim of type groove of fixed block 9 is set
There is a locating slot 12 compatible with 11 edge of notch of push rod 3, in the embeddable locating slot 12 in 11 edge of notch, two-way cock 5 is
Plastics two-way cock with opening and closing valve, two-way cock 5 are switched equipped with channel valve, are screwed on aspiration biopsy instrument, are injected
1 liquid outlet of device cylinder is public female Luer 13, and two-way cock 5 is equipped with female Luer interface 14 compatible with public female Luer 13,
Thrust elastic slice 6 is plastics thrust elastic slice, and elastic pressuring plate 8 is elasticity of plastics tabletting, in use, the switch of two-way cock 5 is closed,
Push rod 3 is pulled, thrust elastic slice 6 successively pops up from 1 inner wall of injector cartridge, and the anti-throw-out lever 3 of thrust elastic slice 6 of pop-up is to injection
It is moved inside device cylinder 1, avoids acquired cell, tissue or liquid from being injected back into patient's body, thrust elastic slice 6 is according to syringe
The milliliter scale of 1 outer surface of cylinder is arranged, so that the position of the rubber ring 2 of push rod 3 is corresponding when one thrust elastic slice 6 of every pop-up
Vacuum extractor and puncture biopsy needle are screwed on by one common milliliter scale, push rod 3 afterwards in place, open two-way cock 5 and switch shape
Two-way cock 5 is closed at vacuum suction, after biopsy to switch, and pulls on push rod 3 to its root close to 1 hand of injector cartridge
Portion is held, since negative pressure is larger in injector cartridge 1, thrust elastic slice 6, which bears larger pressure, can occur slight deformation, preferably,
3 root of push rod is equipped with notch 11, is stuck in it on fixed block of hand-held part 9, and by the pulling of push rod 3, back spin turns certain angle in place,
So that the U-type groove edge card of push rod 3 is screwed at 10 outer rim of type groove of fixed block 9, then by vacuum extractor and puncture biopsy needle,
It opens the switch of two-way cock 5 and forms vacuum suction, two-way cock 5 is closed after biopsy and is switched.
As described above, although the utility model has been indicated and described referring to specific preferred embodiment, it must not
It is construed to the limitation to the utility model itself.In the spirit and scope for not departing from the utility model that appended claims define
Under the premise of, it can various changes can be made in the form and details to it.
Claims (10)
1. a kind of vacuum extractor, it is characterised in that: including injector cartridge (1), be sequentially arranged in injector cartridge from inside to outside
(1) rubber ring (2), push rod (3) and pull handle (4) in, are connected to the two-way cock (5) of injector cartridge (1) liquid outlet, described
The side plate of push rod (3) is equipped with thrust brake, and the thrust brake includes several being arranged parallel to each other set on push rod (3) side plate
Thrust elastic slice (6), for the thrust elastic slice (6) towards the inclined setting in rubber ring (2) direction, thrust elastic slice (6) bottom is solid
Due to push rod (3) side plate, top is higher than push rod (3) side board edge, is equipped with outwardly projecting protrusion in the middle part of the thrust elastic slice (6)
(7), the push rod (3) is equipped with the elastic pressuring plate (8) of strip far from the side plate of pull handle (4) one end, and the elastic pressuring plate (8) is certainly
It is extended to pull handle (4) by end, pressing elastic pressuring plate (8) free end is mobile to push rod (3) direction, and elastic pressuring plate (8) successively touches
The protrusion (7) of several thrust elastic slices (6) is touched and pushes, thrust elastic slice (6) bending is so that its top is lower than push rod (3) side plate
Edge.
2. vacuum extractor according to claim 1, it is characterised in that: the thrust brake further includes being fixed on syringe
The fixed block (9) of cylinder (1) hand-held part and the notch (11) for being set to push rod (3) another side plate, the fixed block (9) are equipped with
For the type groove (10) that push rod (3) penetrates, rotating push-rod (3) makes its notch (11) edge supports in type groove (10) outer rim and then fixes
Push rod (3).
3. vacuum extractor according to claim 2, it is characterised in that: the notch (11) is symmetrically set to push rod (3)
On the plate of two opposite sides, the notch (11) is U-lag.
4. vacuum extractor according to claim 3, it is characterised in that: the fixed block (9) is plastics fixed block or gold
Belong to fixed block, the fixed block (9) and the melting of injector cartridge (1) hand-held part ultrasonic wave are fixed.
5. vacuum extractor according to claim 4, it is characterised in that: type groove (10) outer rim of the fixed block (9) is set
There are locating slot (12) compatible with notch (11) edge of push rod (3), the embeddable locating slot in notch (11) edge (12)
It is interior.
6. vacuum extractor according to claim 1, it is characterised in that: the two-way cock (5) is with opening and closing valve
Plastics two-way cock.
7. vacuum extractor according to claim 1, it is characterised in that: the two-way cock (5) is opened equipped with channel valve
It closes (15).
8. vacuum extractor according to claim 1, it is characterised in that: injector cartridge (1) liquid outlet is public Shandong
That interface (13), the two-way cock (5) are equipped with public female Luer (13) compatible female Luer interface (14).
9. vacuum extractor according to claim 1, it is characterised in that: the thrust elastic slice (6) is plastics thrust elastic slice,
The elastic pressuring plate (8) is elasticity of plastics tabletting, between thrust elastic slice (6) length direction and push rod (3) axial direction
Angle is 30 °~50 °.
10. vacuum extractor according to claim 1, it is characterised in that: be higher than push rod at the top of the thrust elastic slice (6)
(3) 1~2mm of side board edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852884.2U CN208372186U (en) | 2017-07-14 | 2017-07-14 | A kind of vacuum extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852884.2U CN208372186U (en) | 2017-07-14 | 2017-07-14 | A kind of vacuum extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208372186U true CN208372186U (en) | 2019-01-15 |
Family
ID=64977591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720852884.2U Active CN208372186U (en) | 2017-07-14 | 2017-07-14 | A kind of vacuum extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208372186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803331A (en) * | 2019-12-10 | 2020-02-18 | 江西华莲欣科技有限公司 | Negative pressure suction tube for assisting film pasting |
| CN114010261A (en) * | 2021-11-17 | 2022-02-08 | 上海玮琅医疗科技有限公司 | Negative pressure syringe with locking mechanical system |
-
2017
- 2017-07-14 CN CN201720852884.2U patent/CN208372186U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803331A (en) * | 2019-12-10 | 2020-02-18 | 江西华莲欣科技有限公司 | Negative pressure suction tube for assisting film pasting |
| CN110803331B (en) * | 2019-12-10 | 2021-09-14 | 江西华莲欣科技有限公司 | Negative pressure suction tube for assisting film pasting |
| CN114010261A (en) * | 2021-11-17 | 2022-02-08 | 上海玮琅医疗科技有限公司 | Negative pressure syringe with locking mechanical system |
| CN114010261B (en) * | 2021-11-17 | 2022-08-30 | 上海玮琅医疗科技有限公司 | Negative pressure syringe with locking mechanical system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No.57 Huayuan Avenue, economic development zone, Gaochun District, Nanjing, Jiangsu Province, 210000 Patentee after: NANJING FMT MEDICAL Co.,Ltd. Address before: 210000, Nanjing hi tech Industrial Development Zone, Jiangsu Province, 10 Spark Road, ding industry, 100 Thai biological building, block B, four Patentee before: NANJING FMT MEDICAL Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |