CN114073804B - Anesthesia puncture member for hospital pain department - Google Patents
Anesthesia puncture member for hospital pain department Download PDFInfo
- Publication number
- CN114073804B CN114073804B CN202010544810.9A CN202010544810A CN114073804B CN 114073804 B CN114073804 B CN 114073804B CN 202010544810 A CN202010544810 A CN 202010544810A CN 114073804 B CN114073804 B CN 114073804B
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- CN
- China
- Prior art keywords
- rod
- groove
- locking
- round hole
- toothed plate
- 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.)
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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
- A61M19/00—Local anaesthesia; Hypothermia
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
-
- 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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M2005/3206—Needle or needle hub disconnecting devices forming part of or being attached to the hub or syringe body
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention relates to the technical field of anesthesia puncture members for hospital pain department, and discloses an anesthesia puncture member for hospital pain department, which comprises a syringe main body, a piston rod and a needle head main body, wherein a locking seat is arranged on the outer wall of the tail end of the needle head main body, a port of the syringe main body is provided with a plug seat, a round hole is formed in the center of the bottom of the plug seat, a locking part symmetrical to the round hole is arranged in the plug seat, the locking part is assembled to apply a force to the round hole from the outer side to fix the needle head main body when the plug seat extends into the round hole, and the anesthesia puncture member for hospital pain department can enable the needle head to be separated from the syringe by pressing a first pressing block and a second pressing block inwards after anesthesia injection of medical staff is finished, so that the medical staff can discard the abandoned needle head conveniently and separately collect the syringe and facilitate subsequent disinfection treatment.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an anesthesia puncture member for a hospital pain department.
Background
The anesthesia puncture needle is a common medical instrument which can be used for puncturing organs and tissues or injecting medicines, and anesthesia refers to that the whole or part of a patient is temporarily lost by using medicines or other methods, and the anesthesia is performed by the patient so as to achieve the purpose of painless operation treatment, so that the operation pain of the patient can be effectively eliminated, the patient is prevented from being intolerant of the pain in the operation process, and good conditions are created for the operation.
However, after the existing anesthesia puncture member is used, the needle tube and the needle head are directly thrown away, so that medical waste is easily caused, and the existing anesthesia puncture member is troublesome and time-consuming when the needle head is detached.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide an anesthesia puncture member for a hospital pain department, which aims to solve the problems that after the prior anesthesia puncture member is used, a needle tube and a needle head are usually directly thrown away after the prior anesthesia puncture member is used, medical wastes are easily caused, and the prior anesthesia puncture member is troublesome and consumes time when the needle head is detached.
Technical proposal
In order to solve the technical problems, the technical scheme adopted by the embodiment of the invention is as follows: the utility model provides an anesthesia puncture component for painful branch of academic or vocational study of hospital, includes syringe main part, piston rod and syringe needle main part, be equipped with the locking seat on the outer wall of syringe needle main part tail end, the port of syringe main part is equipped with the socket, the round hole has been seted up to the center department of socket bottom, and inside is equipped with the locking part about the round hole symmetry, and the locking part is assembled to when the socket extends to in the round hole, exerts the effort that removes to the round hole to the locking part from the outside and makes the syringe needle main part fixed.
Preferably, the locking component is specifically a first locking mechanism, the first locking mechanism comprises a first plug-in block, a first connecting rod and a first pressing block, a first installation groove is formed in the center position inside the first plug-in block, first reset grooves communicated with the first installation groove are formed in two sides of the first installation groove, clamping grooves communicated with the other sides of the first reset grooves are formed in the outer walls of the two sides of the first plug-in block, the first connecting rod is movably arranged on the outer walls of the clamping grooves, and one end, outside the clamping grooves, of the first pressing block is fixedly arranged.
Preferably, the first locking mechanism further comprises a limiting block and a second connecting rod, the other end of the first connecting rod penetrates through and extends to the inside of the first reset groove, the limiting block is fixedly installed, and the second connecting rod is fixedly installed on the other side of the limiting block.
Preferably, the first locking mechanism further comprises a first reset spring and a clamping piece, the second connecting rod is located on one end surface of the inside of the first reset groove and sleeved with the first reset spring, and the other end of the second connecting rod penetrates through and extends to the inside of the first installation groove and is fixedly provided with the clamping piece.
Preferably, the locking component may specifically be a second locking mechanism, the second locking mechanism includes a second plug-in connection block, a driving rod, a second pressing block, a first supporting rod and a second reset spring, a second installation groove is formed in the center position inside the second plug-in connection block, an inner groove communicated with the second installation groove is formed in two sides of the second installation groove, the driving rod is movably arranged on the outer wall of the second locking mechanism, one end of the driving rod located on the outer wall of the second locking mechanism is fixedly provided with the second pressing block, the other end of the driving rod penetrates through and extends to the inner part of the inner groove, a second reset groove is formed in the inner part of the second pressing block, and the first supporting rod is movably inserted into the second reset groove, and the second reset spring is arranged inside the first supporting rod and the second reset groove.
Preferably, the second locking mechanism further comprises a driving toothed plate, a gear, a driven rod and a driven toothed plate, wherein the driving toothed plate is arranged on one side of the driving rod, the driven toothed plate is arranged on one side of the driven rod adjacent to the driving rod, and the gear is connected to the inner wall of the inner groove in a meshed mode and is connected between the driving toothed plate and the driven toothed plate.
Preferably, the second locking mechanism further comprises a second supporting rod and a third reset spring, a third reset groove is formed in the driven toothed plate, the second supporting rod is movably inserted into the third reset groove, and the third reset spring is arranged in the second supporting rod and the third reset groove.
Preferably, the outer side of the first plug-in block is movably sleeved with a protective cover, and a round hole is formed in the center of the protective cover.
Preferably, the clamping pieces are of semicircular structures, and a puncture mechanism is connected between the two clamping pieces in a meshed mode.
Preferably, a needle sealing ring is arranged at the top of the locking seat.
Compared with the prior art, the anesthesia puncture member for the hospital pain department provided by the embodiment of the invention can enable the needle to be separated from the syringe by pressing the first pressing block and the second pressing block inwards after anesthesia injection of medical staff is finished, so that the medical staff can discard the needle conveniently, the syringe is collected independently, and subsequent disinfection treatment is facilitated.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the disclosed technology.
Drawings
FIG. 1 is a schematic elevational cross-sectional view of a first embodiment of the present invention;
FIG. 2 is a schematic elevational cross-sectional view of a second embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the point A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of the point B in FIG. 2 according to the present invention;
FIG. 5 is a schematic elevational cross-sectional view of the lancing mechanism of the present invention.
In the figure: 1. a syringe body; 2. a piston rod; 3. a puncture mechanism; 31. a needle seal ring; 32. a locking seat; 33. a needle body; 4. a socket; 4a, a first plug-in block; 4b, a second plug-in block; 5. a protective cover; 6. a first mounting groove; 7. a first reset groove; 8. a clamping groove; 9. a first connecting rod; 10. a first briquette; 11. a limiting block; 12. a second connecting rod; 13. a first return spring; 14. a clamping member; 15. a first locking mechanism; 16. a second mounting groove; 17. an inner tank; 18. a driving rod; 19. a second briquetting; 20. a second reset groove; 21. a first support bar; 22. a second return spring; 23. an active toothed plate; 24. a gear; 25. a driven rod; 26. a driven toothed plate; 27. a third reset groove; 28. a second support bar; 29. a third return spring; 30. and a second locking mechanism.
Detailed Description
So that the objects, technical solutions and advantages of the embodiments of the present disclosure are more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1 to 5, the anesthesia puncture member for hospital pain department provided by the invention comprises a syringe main body 1, a piston rod 2 and a needle main body 33, wherein a locking seat 32 is arranged on the outer wall of the tail end of the needle main body 33, a socket 4 is arranged at the port of the syringe main body 1, a round hole is arranged at the center of the bottom of the socket 4, locking parts symmetrical to the round hole are arranged inside the socket, the locking parts are assembled to apply a force to the locking parts from the outer side to move the round hole when the socket 4 extends into the round hole so as to fix the needle main body 33, and when the device is used, a needle sealing ring 31 at the top of the locking seat 32 is aligned with the round hole at the center of the bottom of the socket 4 first, and the locking seat 32 is fixed through the locking parts, so that the needle main body 33 is communicated with the inside of the syringe main body 1.
As shown in fig. 1 and 3, the locking component is specifically a first locking mechanism 15, the first locking mechanism 15 includes a first plug-in block 4a, a first connecting rod 9 and a first pressing block 10, a first mounting groove 6 is formed in the central position inside the first plug-in block 4a, first reset grooves 7 communicated with the first mounting groove 6 are formed on two sides of the first mounting groove 6, clamping grooves 8 communicated with the other side of the first reset grooves 7 are formed on the outer walls of two sides of the first plug-in block 4a, the first connecting rod 9 is movably arranged on the outer wall of the clamping grooves 8, a first pressing block 10 is fixedly arranged at one end outside the clamping grooves 8, firstly, a needle sealing ring 31 at the top of a locking seat 32 is aligned with a round hole in the center of the bottom of the first plug-in block 4a, the first pressing block 10 is pressed inwards, the first pressing block 10 drives the first connecting rod 9 to move inwards, the first pressing block 10 is embedded into the first reset grooves 7, then a needle body 33 is penetrated through the center of the protective cover 5, the first connecting rod 5 is sleeved with the first pressing block 10, and the needle body 33 is fixed in the round hole, and the first pressing block 9 is pressed inwards by the first pressing block 10.
The other end of the first connecting rod 9 penetrates through and extends to the inside of the first reset groove 7, a limiting block 11 is fixedly installed, a second connecting rod 12 is fixedly installed on the other side of the limiting block 11, and when the first connecting rod 9 applies acting force moving to a round hole, the second connecting rod 12 connected with the limiting block 11 can be driven to apply acting force moving to the round hole in the inside of the first reset groove 7.
The first return spring 13 is sleeved on the surface of one end of the second connecting rod 12 located inside the first return groove 7, the other end of the second connecting rod 12 penetrates through and extends to the inside of the first installation groove 6, and the clamping piece 14 is fixedly installed, when the second connecting rod 12 applies a force moving towards the round hole inside the first return groove 7, the clamping piece 14 can be driven to fix the locking seat 32 at the top of the needle body 33, when the needle body 33 needs to be taken out, the protective cover 5 is taken down, the second connecting rod 12 connected with the clamping piece 14 can apply a force to the outer side of the needle body 33 under the action force of the first return spring 13, and the clamping piece 14 is separated from the locking seat 32 at the top of the needle body 33.
The outer side of the first plug-in block 4a is movably sleeved with a protective cover 5, a round hole is formed in the center of the protective cover 5, the first plug-in block 4a is sleeved through the protective cover 5, and the first pressing block 10 is pressed in the first reset groove 7, so that the first connecting rod 9 applies a force moving to the round hole and fixes the needle main body 33.
As shown in fig. 2 and 4, the locking member may specifically be a second locking mechanism 30, where the second locking mechanism 30 includes a second plug-in block 4b, a driving rod 18, a second pressing block 19, a first supporting rod 21 and a second return spring 22, where a second mounting groove 16 is formed at a central position inside the second plug-in block 4b, inner grooves 17 communicating with the second mounting groove 16 are formed at two sides of the second mounting groove 16, the driving rod 18 is movably disposed on an outer wall of the second locking mechanism 30, one end of the outer wall of the second locking mechanism 30 is fixedly provided with a second pressing block 19, the other end of the driving rod 18 penetrates and extends into the inner groove 17, and a second return groove 20 is formed inside the second return groove 20, a first supporting rod 21 is movably inserted into the second return groove 20, and a second return spring 22 is disposed inside the first supporting rod 21 and the second return groove 20, and the second pressing block 19 is pressed toward a round hole of the second plug-in block 4b, so that the second pressing block 19 drives the driving rod 18 to move toward the locking seat 32, and compresses the second return spring 22 between the first supporting rod and the second supporting rod 21.
When the driving rod 18 moves towards the locking seat 32 and compresses the second return spring 22 between the driving rod 18 and the first support rod 21, the driving toothed plate 23 arranged on two sides of the driving rod 18 drives the gear 24 to rotate, the driven rod 25 is driven to move towards the outer side of the round hole of the second plug-in block 4b through the connection relation between the gear 24 and the driven toothed plate 26 arranged on the driven rod 25, and meanwhile, the clamping piece 14 connected with the driven rod 25 moves towards the outer side of the round hole of the second plug-in block 4b, and at the moment, the needle sealing ring 31 at the top of the locking seat 32 is aligned with the round hole at the center of the bottom of the second plug-in block 4b and the second pressing block 19 is loosened.
Wherein, the inside of driven pinion rack 26 has seted up third reset groove 27, and the inside activity in third reset groove 27 has pegged graft and has been had second bracing piece 28, and the inside in second bracing piece 28 and third reset groove 27 is provided with third reset spring 29, when unclamping second briquetting 19, can make driving rod 18 and driven rod 25 under the effort of second reset spring 22 and third reset spring 29 to the center department round hole activity in second plug-in block 4b bottom to make holder 14 fix the closure seat 32 at syringe needle main part 33 top.
It should be noted that the clamping members 14 have a semicircular structure, and the puncture mechanism 3 is engaged between the two clamping members 14, so that the clamping members 14 can clamp the locking seat 32 conveniently.
Further, in a specific implementation process, according to fig. 5, the needle sealing ring 31 is disposed at the top of the locking seat 32, and the needle sealing ring 31 is made of rubber, so that a good sealing effect can be maintained between the syringe main body 1 and the needle main body 33.
The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this invention will occur to those skilled in the art, and are intended to be within the spirit and scope of the invention.
Claims (3)
1. An anesthesia puncture member for hospital pain department, comprising a syringe body (1), a piston rod (2) and a needle body (33), characterized in that: the outer wall of the tail end of the needle head main body (33) is provided with a locking seat (32), the port of the syringe main body (1) is provided with a plug seat (4), the center of the bottom of the plug seat (4) is provided with a round hole, the inside of the plug seat is provided with locking parts symmetrical to the round hole, and when the plug seat (4) extends into the round hole, the locking parts are assembled to apply a force to the locking parts from the outer side to move towards the round hole so as to fix the needle head main body (33);
the locking component is a second locking mechanism (30), the second locking mechanism (30) comprises a second plug-in block (4 b), a driving rod (18), a second pressing block (19), a first supporting rod (21) and a second reset spring (22), a second mounting groove (16) is formed in the center position inside the second plug-in block (4 b), inner grooves (17) communicated with the second mounting groove (16) are formed in the two sides of the second mounting groove, the driving rod (18) is movably arranged on the outer wall of the second locking mechanism (30), one end of the driving rod (18) located on the outer wall of the second locking mechanism (30) is fixedly provided with the second pressing block (19), the other end of the driving rod (18) penetrates through and extends to the inner part of the inner groove (17), a second reset groove (20) is formed in the inner part of the second reset groove (20), the first supporting rod (21) is movably inserted into the second reset spring (22) is arranged in the inner parts of the first supporting rod (21) and the second reset groove (20);
the second locking mechanism (30) further comprises a driving toothed plate (23), a gear (24), a driven rod (25) and a driven toothed plate (26), wherein the driving toothed plate (23) is arranged on one side of the driving rod (18), the driving toothed plate (23) is arranged on one side of the driven rod (25) adjacent to the driving rod (18), the driven toothed plate (26) is arranged on one side of the driven rod, and the gear (24) is axially connected to the inner wall of the inner groove (17) in a meshed mode and is connected between the driving toothed plate (23) and the driven toothed plate (26).
2. An anesthesia penetration member for hospital pain department according to claim 1, characterized in that: the second locking mechanism (30) further comprises a second supporting rod (28) and a third reset spring (29), a third reset groove (27) is formed in the driven toothed plate (26), the second supporting rod (28) is movably inserted into the third reset groove (27), and the third reset spring (29) is arranged in the second supporting rod (28) and the third reset groove (27).
3. An anesthesia penetration member for hospital pain department according to claim 1, characterized in that: the top of the locking seat (32) is provided with a needle sealing ring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010544810.9A CN114073804B (en) | 2020-08-18 | 2020-08-18 | Anesthesia puncture member for hospital pain department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010544810.9A CN114073804B (en) | 2020-08-18 | 2020-08-18 | Anesthesia puncture member for hospital pain department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114073804A CN114073804A (en) | 2022-02-22 |
| CN114073804B true CN114073804B (en) | 2023-08-01 |
Family
ID=80279319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010544810.9A Active CN114073804B (en) | 2020-08-18 | 2020-08-18 | Anesthesia puncture member for hospital pain department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114073804B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990011789A1 (en) * | 1989-04-10 | 1990-10-18 | Etablissements Anthogyr | System for securing a needle on a syringe |
| US5938644A (en) * | 1998-09-01 | 1999-08-17 | Chrisom, Inc. | Needle protection holder |
| WO2005072795A2 (en) * | 2004-01-29 | 2005-08-11 | M 2 Medical A/S | Disposable medicine dispensing device |
| CN107714162A (en) * | 2017-11-15 | 2018-02-23 | 丁娜 | A kind of reinforced anesthetic treats conduit |
| CN109620456A (en) * | 2018-12-04 | 2019-04-16 | 王婷 | A kind of damping locking device for oral cavity medical apparatus |
| CN210057081U (en) * | 2019-04-11 | 2020-02-14 | 孙朝辉 | Syringe for local anesthesia |
| CN210112843U (en) * | 2019-02-28 | 2020-02-25 | 张玮 | Medicine feeder for obstetrics and gynecology department |
| CN211188536U (en) * | 2019-08-15 | 2020-08-07 | 郑州儿童医院 | Convenient and practical intravenous injector |
| CN211214761U (en) * | 2019-11-01 | 2020-08-11 | 程淼 | Department of anesthesia syringe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372251B (en) * | 2012-04-27 | 2015-09-02 | 张林锋 | A kind of needle stand haulback type safe self-locking type self-destruction injector |
-
2020
- 2020-08-18 CN CN202010544810.9A patent/CN114073804B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990011789A1 (en) * | 1989-04-10 | 1990-10-18 | Etablissements Anthogyr | System for securing a needle on a syringe |
| US5938644A (en) * | 1998-09-01 | 1999-08-17 | Chrisom, Inc. | Needle protection holder |
| WO2005072795A2 (en) * | 2004-01-29 | 2005-08-11 | M 2 Medical A/S | Disposable medicine dispensing device |
| CN107714162A (en) * | 2017-11-15 | 2018-02-23 | 丁娜 | A kind of reinforced anesthetic treats conduit |
| CN109620456A (en) * | 2018-12-04 | 2019-04-16 | 王婷 | A kind of damping locking device for oral cavity medical apparatus |
| CN210112843U (en) * | 2019-02-28 | 2020-02-25 | 张玮 | Medicine feeder for obstetrics and gynecology department |
| CN210057081U (en) * | 2019-04-11 | 2020-02-14 | 孙朝辉 | Syringe for local anesthesia |
| CN211188536U (en) * | 2019-08-15 | 2020-08-07 | 郑州儿童医院 | Convenient and practical intravenous injector |
| CN211214761U (en) * | 2019-11-01 | 2020-08-11 | 程淼 | Department of anesthesia syringe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114073804A (en) | 2022-02-22 |
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