CN204307158U - Safe self-breaking syringe - Google Patents
Safe self-breaking syringe Download PDFInfo
- Publication number
- CN204307158U CN204307158U CN201420757731.6U CN201420757731U CN204307158U CN 204307158 U CN204307158 U CN 204307158U CN 201420757731 U CN201420757731 U CN 201420757731U CN 204307158 U CN204307158 U CN 204307158U
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- CN
- China
- Prior art keywords
- syringe
- support portion
- draw point
- groove
- point seat
- 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
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Abstract
The utility model discloses a kind of safe self-breaking syringe, comprise syringe, draw point, draw point seat, expansible stopper, plug and push rod, described draw point seat is arranged on syringe interior forward end, after described expansible stopper is arranged on draw point seat, described draw point is arranged in draw point seat syringe needle hole, described plug is set in push rod front end, and described pushing rod sleeve is located in syringe; Described draw point seat comprises integrated needle section, convergence part and support portion, described syringe needle hole is arranged in needle section, pod apertures is provided with in described convergence part, described support portion is hollow structure, front end, described support portion and middle part circumference are provided with groove I, described groove I in the middle part of support portion in radial direction for running through groove, described needle section, convergence part and support portion external diameter close: < support portion, needle section < convergence part, rearmost flute I place, described support portion is provided with double wedge.This utility model solves in the process of pulling back the problem that can produce moment vacuum in syringe, ensure that the smooth and easy of the process of pulling back, is beneficial to the recovery of product.
Description
Technical field
This utility model relates to medical instruments field, particularly, relates to a kind of safe self-breaking syringe.
Background technology
In prior art, safe self-breaking syringe draw point seat generally adopts convex design, this draw point seat to pull back after use terminates in process can because in syringe moment vacuum, causing pulling back puts in place, stuck in syringe, is unfavorable for the recovery of product.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of safe self-breaking syringe, solves in the process of pulling back the problem that can produce moment vacuum in syringe, ensure that the smooth and easy of the process of pulling back, be beneficial to the recovery of product.
For solving the problem, the technical scheme that this utility model adopts is as follows:
A kind of safe self-breaking syringe, comprise syringe, draw point, draw point seat, expansible stopper, plug and push rod, described draw point seat is arranged on syringe interior forward end, after described expansible stopper is arranged on draw point seat, described draw point is arranged in draw point seat syringe needle hole, described plug is set in push rod front end, and described pushing rod sleeve is located in syringe; Described draw point seat comprises integrated needle section, convergence part and support portion, described syringe needle hole is arranged in needle section, pod apertures is provided with in described convergence part, described support portion is hollow structure, front end, described support portion and middle part circumference are provided with groove I, described groove I in the middle part of support portion in radial direction for running through groove, described needle section, convergence part and support portion external diameter close: < support portion, needle section < convergence part, rearmost flute I place, described support portion is provided with double wedge.
Preferably, scrobicular ring is provided with in described syringe needle hole.
Preferably, along support portion to needle section direction, described syringe needle hole point diameter increases gradually.
Preferably, described conduction hole diameter is not more than syringe needle Kongzui minor diameter.
Preferably, described groove I is 3, is evenly arranged in the circumference of support portion.
Preferably, described expansible stopper comprises integrated end, cervical region and afterbody, and described end, cervical region and afterbody are hollow structure, and along afterbody to end direction, outer end diameter reduces gradually, and described end circumference is evenly provided with multiple groove II.
Preferably, described cervical region external diameter is less than the maximum outside diameter of end; The maximum outside diameter of described end is less than afterbody external diameter.
Preferably, described groove II is non-through groove in the radial direction of front end, end, for running through groove in the radial direction of rear end, end.
Preferably, described groove II quantity is 3.
Preferably, also comprise helmet, described helmet is set in syringe front end.
Compared to existing technology, the beneficial effects of the utility model are:
1, in this utility model, draw point seat adopts stairstepping to arrange, and support portion arranges groove I, solves in the process of pulling back the problem that can produce moment vacuum in syringe, ensure that the smooth and easy of the process of pulling back, be beneficial to the recovery of product;
2, be provided with scrobicular ring in draw point seat syringe needle hole in this utility model, and along support portion to needle section direction, syringe needle hole point diameter increases gradually, facilitates the installation and removal of syringe needle;
3, in this utility model, draw point seat conduction hole diameter is not more than syringe needle Kongzui minor diameter, makes in use to be more conducive to control and to push pin speed, reduce the pain of patient;
4, in this utility model, expansible stopper outer end diameter reduces gradually, end circumference is evenly provided with multiple groove II, the attachment force that can reduce injector push-rod and expansible stopper is set like this, thus the pressure that minimizing injector push-rod and expansible stopper deformation bring, disease pain is reduced; And its groove II arranged, according to circumstances can there is deformation in draw point seat, be more conducive to the support of draw point seat;
5, in this utility model to the restriction of expansible stopper end, cervical region and afterbody, make expansible stopper cross section in " soil " word, expansible stopper bond area in syringe can be reduced like this, and reduce the resident of air, be more conducive to use;
6, this utility model further groove II is non-through groove in the radial direction of front end, end, for running through groove in the radial direction of rear end, end, can ensure the stability of end front-end architecture, prevents front end, end from dividing and impacts use;
7, in this utility model, safe self-breaking syringe component units structure is simple, and cost of manufacture is cheap, is beneficial to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is safe self-breaking syringe front view in this utility model;
Fig. 2 is safe self-breaking syringe explosive view in this utility model;
Fig. 3 is draw point seat front view in this utility model;
Fig. 4 is the draw point seat front view of attached inside border in this utility model;
Fig. 5 is draw point seat perspective view in this utility model;
Fig. 6 is expansible stopper front view in this utility model;
Fig. 7 is the expansible stopper front view of attached inside border in this utility model;
Fig. 8 is expansible stopper left view in this utility model;
Fig. 9 is that in this utility model, safe self-breaking syringe each using state figure, A is for before use, and B is for finishing using, and C destroys after using;
Wherein, 1 be syringe, 2 be draw point, 3 be draw point seat, 31 be needle section, 311 be syringe needle hole, 312 be scrobicular ring, 32 be convergence part, 321 be conduction hole, 33 be support portion, 331 be groove, 332 be double wedge, 4 be expansible stopper, 41 be end, 411 be groove, 42 be cervical region, 43 be afterbody, 5 be plug, 6 be push rod, 7 for helmet.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As Fig. 1-5 shows, safe self-breaking syringe, comprise syringe 1, draw point 2, draw point seat 3, expansible stopper 4, plug 5 and push rod 6, draw point seat 3 is arranged on syringe 1 interior forward end, after expansible stopper 4 is arranged on draw point seat 3, draw point 2 is arranged in draw point seat 3 syringe needle hole 311, and plug 5 is set in push rod 6 front end, and push rod 6 is set in syringe 1, draw point seat 3 comprises integrated needle section 31, convergence part 32 and support portion 33, syringe needle hole 311 is arranged in needle section 31, pod apertures 321 is provided with in convergence part 32, support portion 33 is hollow structure, front end, support portion 33 and middle part circumference are provided with groove I 331, groove I 331 in the middle part of support portion 33 in radial direction for running through groove, needle section 31, convergence part 32 and support portion 33 external diameter close and are: < support portion, needle section 31 < convergence part 32 33, rearmost flute I 331 place, support portion 33 is provided with double wedge 332, for connecting expansible stopper 4, be convenient to the outer of draw point seat 3 draw.
In a specific embodiment, as Fig. 6-8, safe self-breaking syringe, comprise syringe 1, draw point 2, draw point seat 3, expansible stopper 4, plug 5 and push rod 6, draw point seat 3 is arranged on syringe 1 interior forward end, and after expansible stopper 4 is arranged on draw point seat 3, draw point 2 is arranged in draw point seat 3 syringe needle hole 311, plug 5 is set in push rod 6 front end, and push rod 6 is set in syringe 1, draw point seat 3 comprises integrated needle section 31, convergence part 32 and support portion 33, syringe needle hole 311 is arranged in needle section 31, pod apertures 321 is provided with in convergence part 32, support portion 33 is hollow structure, front end, support portion 33 and middle part circumference are provided with groove I 331, groove I 331 in the middle part of support portion 33 in radial direction for running through groove, needle section 31, convergence part 32 and support portion 33 external diameter close and are: < support portion, needle section 31 < convergence part 32 33, rearmost flute I 331 place, support portion 33 is provided with double wedge 332, for connecting expansible stopper 4, be convenient to the outer of draw point seat 3 draw, be provided with scrobicular ring 312 in syringe needle hole 311, along support portion 33 to needle section 31 direction, syringe needle hole 311 point diameter increases gradually, and conduction hole 321 diameter is not more than syringe needle hole 311 minimum diameter, and groove I 331 is 3, is evenly arranged in the circumference of support portion 33.
In another specific embodiment, as Fig. 6-8, safe self-breaking syringe, comprise syringe 1, draw point 2, draw point seat 3, expansible stopper 4, plug 5, push rod 6 and helmet 7, draw point seat 3 is arranged on syringe 1 interior forward end, and after expansible stopper 4 is arranged on draw point seat 3, draw point 2 is arranged in draw point seat 3 syringe needle hole 311, plug 5 is set in push rod 6 front end, and push rod 6 is set in syringe 1, cap 7 is set in syringe 1 front end, draw point seat 3 comprises integrated needle section 31, convergence part 32 and support portion 33, syringe needle hole 311 is arranged in needle section 31, pod apertures 321 is provided with in convergence part 32, support portion 33 is hollow structure, front end, support portion 33 and middle part circumference are provided with groove I 331, groove I 331 in the middle part of support portion 33 in radial direction for running through groove, needle section 31, convergence part 32 and support portion 33 external diameter close and are: < support portion, needle section 31 < convergence part 32 33, rearmost flute I 331 place, support portion 33 is provided with double wedge 332, for connecting expansible stopper 4, be convenient to the outer of draw point seat 3 draw, be provided with scrobicular ring 312 in syringe needle hole 311, along support portion 33 to needle section 31 direction, syringe needle hole 311 point diameter increases gradually, and conduction hole 321 diameter is not more than syringe needle hole 311 minimum diameter, and groove I 331 is 3, is evenly arranged in the circumference of support portion 33.Expansible stopper 4 comprises integrated end 41, cervical region 42 and afterbody 43, and end 41, cervical region 42 and afterbody 43 are hollow structure, and along afterbody 43 to direction, end 41, end 41 external diameter reduces gradually, and end 41 circumference is evenly provided with multiple groove II 411; Cervical region 42 external diameter is less than the maximum outside diameter of end 41; The maximum outside diameter of end 41 is less than afterbody 43 external diameter; Groove II 411 is non-through groove in the radial direction of front end, end 41, for running through groove in the radial direction of rear end, end 41; Groove II 411 quantity is 3.
As Fig. 9 shows, for safe self-breaking syringe in this utility model each using state figure, A are for before use, each unit has assembled, and push rod 6 is positioned at syringe 1 rear end; B is for finishing using, and push rod 6 is pushed in syringe 1; C is for after use, and push rod 6 fractures after draw point 2, draw point seat 3 and expansible stopper 4 being taken out of, completes self-destruction.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of this utility model claim.
Claims (10)
1. a safe self-breaking syringe, comprise syringe (1), draw point (2), draw point seat (3), expansible stopper (4), plug (5) and push rod (6), described draw point seat (3) is arranged on syringe (1) interior forward end, after described expansible stopper (4) is arranged on draw point seat (3), described draw point (2) is arranged in draw point seat (3) syringe needle hole (311), described plug (5) is set in push rod (6) front end, and described push rod (6) is set in syringe (1), it is characterized in that, described draw point seat (3) comprises integrated needle section (31), convergence part (32) and support portion (33), described syringe needle hole (311) is arranged in needle section (31), pod apertures (321) is provided with in described convergence part (32), described support portion (33) is hollow structure, (33) front end, described support portion and middle part circumference are provided with groove I (331), for running through groove on described groove I (331) is radial in the middle part of support portion (33), described needle section (31), convergence part (32) and support portion (33) external diameter close and are: needle section (31) < convergence part (32) < support portion (33), described support portion (33) rearmost flute I (331) place is provided with double wedge (332).
2. safe self-breaking syringe as claimed in claim 1, is characterized in that, be provided with scrobicular ring (312) in described syringe needle hole (311).
3. safe self-breaking syringe as claimed in claim 2, it is characterized in that, along support portion (33) to needle section (31) direction, described syringe needle hole (311) point diameter increases gradually.
4. safe self-breaking syringe as claimed in claim 3, it is characterized in that, described conduction hole (321) diameter is not more than syringe needle hole (311) minimum diameter.
5. safe self-breaking syringe as claimed in claim 1, it is characterized in that, described groove I (331) is 3, is evenly arranged in support portion (33) circumference.
6. safe self-breaking syringe as claimed in claim 1, it is characterized in that, described expansible stopper (4) comprises integrated end (41), cervical region (42) and afterbody (43), described end (41), cervical region (42) and afterbody (43) are hollow structure, along afterbody (43) to end (41) direction, end (41) external diameter reduces gradually, described end (41) circumference is evenly provided with multiple groove II (411).
7. safe self-breaking syringe as claimed in claim 6, it is characterized in that, described cervical region (42) external diameter is less than the maximum outside diameter of end (41); The maximum outside diameter of described end (41) is less than afterbody (43) external diameter.
8. safe self-breaking syringe as claimed in claim 6, it is characterized in that, described groove II (411) is non-through groove in the radial direction of end (41) front end, for running through groove in the radial direction of end (41) rear end.
9. the safe self-breaking syringe as described in any one of claim 6, is characterized in that described groove II (411) quantity is 3.
10. the safe self-breaking syringe as described in any one of claim 1-9, is characterized in that, also comprises helmet (7), and described helmet (7) is set in syringe (1) front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420757731.6U CN204307158U (en) | 2014-12-05 | 2014-12-05 | Safe self-breaking syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420757731.6U CN204307158U (en) | 2014-12-05 | 2014-12-05 | Safe self-breaking syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204307158U true CN204307158U (en) | 2015-05-06 |
Family
ID=53129494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420757731.6U Expired - Fee Related CN204307158U (en) | 2014-12-05 | 2014-12-05 | Safe self-breaking syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204307158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857603A (en) * | 2015-05-29 | 2015-08-26 | 江苏康宝医疗器械有限公司 | Disposable safe self-destruction injection syringe |
-
2014
- 2014-12-05 CN CN201420757731.6U patent/CN204307158U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104857603A (en) * | 2015-05-29 | 2015-08-26 | 江苏康宝医疗器械有限公司 | Disposable safe self-destruction injection syringe |
| CN104857603B (en) * | 2015-05-29 | 2018-01-05 | 江苏康宝医疗器械有限公司 | Disposable safety self-breaking injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20201205 |