CN107802349B - Medical suture needle device - Google Patents
Medical suture needle device Download PDFInfo
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- CN107802349B CN107802349B CN201711317312.5A CN201711317312A CN107802349B CN 107802349 B CN107802349 B CN 107802349B CN 201711317312 A CN201711317312 A CN 201711317312A CN 107802349 B CN107802349 B CN 107802349B
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- hollow cavity
- suture needle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B50/3001—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments for sharps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06114—Packages or dispensers for needles or sutures
- A61B17/06133—Packages or dispensers for needles or sutures of parallelepipedal shape, e.g. made of rectangular or slightly oval panels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B2050/3009—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments having means for connecting similar adjacent containers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/30—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
- A61B2050/3013—Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments having means for automatically ejecting the stored article
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a medical suture needle device which comprises a shell, wherein a hollow cavity is formed in the shell and is arranged along the horizontal direction, a clamping mechanism which is provided with an opening at the upper end and is hollow is detachably arranged on the shell, the clamping mechanism is communicated with the hollow cavity, a spring is fixed at the inner bottom of the clamping mechanism, a plurality of suture needle box mechanisms are sequentially arranged in the clamping mechanism from top to bottom, the suture needle box mechanisms are positioned above the spring, one end of the shell is provided with an opening communicated with the hollow cavity, the other end of the shell is provided with a push rod mechanism which is at least partially positioned in the hollow cavity, and the suture needle box mechanisms in the clamping mechanism can enter the hollow cavity under the elastic force of the spring to push the push rod mechanism to push the suture needle box mechanisms out of the opening. Solves the problem that the common suture needle is not provided with a specific placing tool, is exposed and is easy to cause secondary pollution in the threading process or the needle replacement operation process.
Description
Technical Field
The present invention relates to medical instruments, and in particular, to a medical suture needle device.
Background
The medical suture needle is mainly used for surgical suture, is mostly made of stainless steel wires by drilling or slotting at the tail of the needle, and has smooth appearance after polishing and electrolytic treatment; the needle type is divided into: circle needle, angle needle, shovel needle, straight needle etc. the radian divide into according to actual need: 1/2, 3/8, etc.; the production process is very complicated, belongs to high-tech products, and even uses the laser drilling technology for fine drilling. The medical suture needle is usually required to be disinfected before use to prevent wound infection during suture, the suture needle is generally exposed without a special placing tool, and secondary pollution is easily caused before use, particularly in the threading process or the needle replacement operation process. The patent number CN2008102275234 provides a surgical needle clamping and quick-changing device for a minimally invasive surgical robot, which comprises a quick-changing head, a compression spring, a movable shaft, a movable pressing plate and a surgical needle sleeve; the quick-change head is sleeved on the rack, a through hole for mounting a compression spring and a movable shaft is formed in the top of the quick-change head, the movable shaft penetrates through the through hole in the quick-change head, the compression spring is mounted between the movable shaft and the quick-change head, the movable shaft is matched with the hole in the rack through a pressing effect, and the quick-change head is fixedly connected with the rack; the movable pressing plate is installed on one side face of the quick-change head, a bayonet is arranged on the other opposite side face of the quick-change head, the surgical needle cannula is placed in the middle of the movable pressing plate, one end of the movable pressing plate is buckled into the bayonet, and the surgical needle cannula is clamped tightly through elastic deformation of the movable pressing plate. Although the device solves the aim of assembling and disassembling the quick-change head, the device cannot effectively solve the problem that the surgical needle or the suture needle is easy to cause secondary pollution in the needle changing or threading process.
Disclosure of Invention
The invention aims to provide a medical suture needle device, which solves the problems that a common suture needle is not provided with a specific placing tool, the suture needle is exposed, and secondary pollution is easily caused in the threading process or the needle replacement operation process.
In order to achieve the above object, the present invention provides a medical suture needle device, which comprises a housing, wherein a hollow cavity is formed in the housing, the housing is detachably provided with a hollow clamping mechanism with an opening at the upper end, the clamping mechanism is communicated with the hollow cavity, a spring is fixed at the inner bottom of the clamping mechanism, a plurality of suture needle box mechanisms are sequentially arranged in the clamping mechanism from top to bottom, the suture needle box mechanisms are located above the spring, one end of the housing is provided with an opening communicated with the hollow cavity, the other end of the housing is provided with a push rod mechanism at least partially located in the hollow cavity, the suture needle box mechanisms in the clamping mechanism can enter the hollow cavity under the elastic force of the spring to push the push rod mechanism, the needle magazine mechanism can be pushed out of the opening.
Preferably, the surface of the shell is provided with an annular slot body communicated with the hollow cavity, and one end of the clamping mechanism with an opening is at least partially detachably clamped in the annular slot body.
Preferably, the lower surface of the annular slot body is recessed upwards to form a slot, an inserting rod is fixed on the outer surface of the clamping mechanism, and at least part of the inserting rod is clamped in the slot.
Preferably, the surface of casing be provided with the through thread hole of cavity intercommunication, through thread hole is close to the opening part, the downthehole wrench joint of through thread has locking screw, locking screw at least part is located in the cavity.
Preferably, the sewing needle box mechanism includes the box body, the up end undercut of box body is formed with the storage chamber, be provided with the sewing needle in the storage chamber, the cap has still been covered to detachably the upper end of box body, it is located to possess fenestrate one end in the sewing needle the cap is interior.
Preferably, two opposite surfaces of the cap are respectively provided with a funnel body, one end of the funnel body with a smaller cross section area is aligned with the through hole of the suture needle, the other end of the funnel body extends to the outside of the cap, and the surface of the cap is further provided with a through groove communicated with the funnel body.
Preferably, the push rod mechanism comprises a push rod, a push plate and a handle, one end of the push rod is located in the hollow cavity and connected with the push plate, and the other end of the push rod extends to the outside of the hollow cavity and is connected with the handle.
Preferably, a blocking device is arranged on the inner side wall of one end, far away from the opening, of the hollow cavity, the blocking device comprises a blocking rod and a return spring, the blocking rod and the return spring are hinged to the inner side wall of the hollow cavity, one end of the return spring is connected with the blocking rod, the other end of the return spring is fixed to the inner side wall of the hollow cavity, and a stop block capable of abutting against the blocking rod is further fixed to the push rod.
Preferably, the cross section of the hollow cavity is circular, the diameter of the hollow cavity is R1, the box body is a cylinder, the diameter of the box body is R2, and R2 is not more than R1.
Preferably, the number of the suture needle box mechanisms is not less than 4 groups.
According to the above technical scheme, the present invention provides a medical suture needle device, which comprises a housing, wherein a hollow cavity is formed in the housing, the housing is detachably provided with a hollow clamping mechanism with an opening at the upper end, the clamping mechanism is communicated with the hollow cavity, a spring is fixed at the inner bottom of the clamping mechanism, a plurality of suture needle box mechanisms are sequentially arranged in the clamping mechanism from top to bottom, the suture needle box mechanisms are positioned above the spring, one end of the housing is provided with an opening communicated with the hollow cavity, the other end of the housing is provided with a push rod mechanism at least partially positioned in the hollow cavity, the suture needle box mechanisms in the clamping mechanism can enter the hollow cavity under the elastic force of the spring to push the push rod mechanism, the needle magazine mechanism can be pushed out of the opening. Before use, a suture needle is placed into the suture needle box mechanism, then the suture needle box mechanism is disinfected, then the suture needle box mechanism is placed into the clamping mechanism, the suture needle box mechanism at the uppermost end is jacked into the hollow cavity under the elastic force of the spring, when the suture needle needs to be used, the push rod mechanism is pushed to push the suture needle box mechanism out of the opening, and after the push rod mechanism is reset, the suture needle box mechanism at the lower part can be jacked into the hollow cavity again under the elastic force of the spring.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a structural view showing a first embodiment of a medical suture needle device according to the present invention;
FIG. 2 is a structural view showing a second embodiment of the medical suture needle device provided by the present invention;
FIG. 3 is a structural view of a needle magazine mechanism in the medical needle suturing device according to the present invention.
Description of the reference numerals
1-casing 101-locking screw
102-hollow cavity 103-annular receptacle body
104-slot 2-clip mechanism
201-plunger 202-spring
3-suture needle Box mechanism 301-suture needle
302-box 303-cap
304-funnel body 305-through groove
4-blocking device 401-return spring
402-gear lever 5-push rod mechanism
501-handle 502-resisting block
503-push plate 504-push rod
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "horizontal direction, top-down" and the like included in the terms merely represent the orientation of the terms in the conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1-3: the invention provides a medical suture needle device, which comprises a shell 1, wherein a hollow cavity 102 arranged along the horizontal direction is formed in the shell 1, a hollow clamping mechanism 2 with an opening at the upper end is detachably arranged on the shell 1, the clamping mechanism 2 is communicated with the hollow cavity 102, a spring 202 is fixed at the inner bottom of the clamping mechanism 2, a plurality of suture needle box mechanisms 3 are sequentially arranged in the clamping mechanism 2 from top to bottom, the suture needle box mechanisms 3 are positioned above the spring 202, one end of the shell 1 is provided with an opening communicated with the hollow cavity 102, the other end of the shell 1 is provided with a push rod mechanism 5 at least partially positioned in the hollow cavity 102, the suture needle box mechanisms 3 in the clamping mechanism 2 can enter the hollow cavity 102 under the elastic force of the spring 202, pushing the pusher mechanism 5 can push the needle magazine mechanism 3 out of the opening. Before use, the suture needle 301 is placed into the suture needle box mechanism 3, then the suture needle box mechanism 3 is disinfected, then the suture needle box mechanism 3 is placed into the clamping mechanism 2, the suture needle box mechanism 3 at the uppermost end is jacked into the hollow cavity 102 under the elastic force of the spring 202, when the suture needle 301 needs to be used, the push rod mechanism 5 is pushed to push the suture needle box mechanism 3 out of the opening, and after the push rod mechanism 5 is reset, the suture needle box mechanism 5 at the lower part can be jacked into the hollow cavity 102 again under the elastic force of the spring 202.
In a preferred embodiment of the present invention, in order to enable the clamping mechanism 2 to be tightly fixed on the housing 1 and ensure that the suture needle box mechanism 3 inside the clamping mechanism 2 can smoothly enter the hollow cavity 102, an annular slot body 103 communicated with the hollow cavity 102 is arranged on the surface of the housing 1, and one end of the clamping mechanism 2 with an opening is at least partially detachably clamped in the annular slot body 103.
In a preferred embodiment of the present invention, in order to enable the clamping mechanism 2 to be tightly fixed on the housing 1 and ensure that the suture needle box mechanism 3 inside the clamping mechanism can smoothly enter the hollow cavity 102, the lower surface of the annular slot body 103 is recessed upwards to form a slot 104, an insertion rod 201 is fixed on the outer surface of the clamping mechanism 2, and the insertion rod 201 is at least partially clamped in the slot 104.
In a preferred embodiment of the present invention, in order to prevent the suture needle box mechanism 3 from sliding out of the opening, a through threaded hole communicating with the hollow cavity 102 is provided on the surface of the housing 1, the through threaded hole is close to the opening, a locking screw 101 is screwed into the through threaded hole, the locking screw 101 is at least partially located in the hollow cavity 102 in an initial state, when the suture needle box mechanism 3 needs to be pushed out, only the locking screw 101 needs to be rotated to be drawn out from the hollow cavity 102, and the locking screw 101 mainly plays a role of resisting.
In a preferred embodiment of the present invention, in order to better protect the suture needle 301 from secondary contamination during storage, the suture needle cassette mechanism 3 comprises a cassette body 302, an upper end surface of the cassette body 302 is recessed downwards to form a storage cavity, a suture needle 301 is disposed in the storage cavity, an upper end of the cassette body 302 is detachably covered with a cap 303, and one end of the suture needle 301 having a through hole is located in the cap 303.
In a preferred embodiment of the present invention, in order to facilitate threading of the suture needle 301, the cap 303 is provided with funnel bodies 304 on two opposite surfaces thereof, one end of the funnel body 304 having a smaller cross-sectional area is aligned with the through hole of the suture needle 301, the other end extends to the outside of the cap 303, and the surface of the cap 303 is further provided with a through groove 305 communicating with the funnel body 304. When threading, the cover cap 303 is not opened, a thread is penetrated through the funnel body 304 and the perforation on the suture needle 301 from one end with larger cross section area in the funnel body 304 by tweezers and penetrates out from the funnel body 304 at the other end, then the cover cap 303 is opened, and the thread passes through the penetrating groove 305 and is not blocked by the cover cap 303, so that the suture needle is prevented from secondary pollution in the threading process.
In a preferred embodiment of the present invention, in order to more smoothly push the inner needle magazine mechanism 3, the push rod mechanism 5 includes a push rod 504, a push plate 503 and a handle 501, one end of the push rod 504 is located in the hollow cavity 102 and connected to the push plate 503, and the other end extends to the outside of the hollow cavity 102 and connected to the handle 501.
In a preferred embodiment of the present invention, a blocking device 4 is disposed on an inner sidewall of an end of the hollow cavity 102 far away from the opening, the blocking device 4 includes a blocking rod 402 and a return spring 401 hinged on the inner sidewall of the hollow cavity 102, one end of the return spring 401 is connected to the blocking rod 402, the other end of the return spring is fixed on the inner sidewall of the hollow cavity 102, and a stop 502 capable of abutting against the blocking rod 402 is further fixed on the push rod 504. When pushing the push rod 504, the abutting block 502 will contact with the stop lever 402 first, at this time, the push rod 504 can push the sewing needle box mechanism 3 to the opening, at this time, the cap 303 on the sewing needle box mechanism 3 is just in the outside of the opening, then threading is performed according to the above steps, the trouble of threading again after the sewing needle box mechanism 3 is completely taken out is avoided, then the push rod 504 is continuously pushed, and the sewing needle box mechanism 3 is pushed out completely.
In a preferred embodiment of the present invention, in order to enable the needle magazine mechanism 3 to slide more smoothly in the hollow cavity 102, the hollow cavity 102 has a circular cross-section and a diameter R1, and the cartridge body 302 has a cylindrical shape and a diameter R2, wherein R2 is not greater than R1.
In a preferred embodiment of the present invention, the number of the needle magazine mechanisms 3 is not less than 4 groups in order to increase the storage efficiency.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. The medical suture needle device is characterized by comprising a shell (1), wherein a hollow cavity (102) is formed in the shell (1) and is arranged in the horizontal direction, a clamping mechanism (2) which is provided with an opening at the upper end and is hollow is detachably arranged on the shell (1), the clamping mechanism (2) is communicated with the hollow cavity (102), a spring (202) is fixed at the inner bottom of the clamping mechanism (2), a plurality of suture needle box mechanisms (3) are sequentially arranged in the clamping mechanism (2) from top to bottom, the suture needle box mechanisms (3) are located above the spring (202), an opening communicated with the hollow cavity (102) is arranged at one end of the shell (1), and a push rod mechanism (5) which is at least partially located in the hollow cavity (102) is arranged at the other end of the shell, the needle box mechanism (3) in the clamping mechanism (2) can enter the hollow cavity (102) under the action of the elastic force of the spring (202) to push the push rod mechanism (5) so as to push the needle box mechanism (3) out of the opening; the sewing needle box mechanism (3) comprises a box body (302), the upper end surface of the box body (302) is downwards sunken to form a storage cavity, a sewing needle (301) is arranged in the storage cavity, the upper end of the box body (302) is detachably covered with a cover cap (303), and one end, provided with a through hole, of the sewing needle (301) is positioned in the cover cap (303); the two opposite surfaces of the cap (303) are respectively provided with a funnel body (304), one end of the funnel body (304) with a smaller cross section area is aligned with the through hole of the suture needle (301), the other end of the funnel body extends to the outside of the cap (303), and the surface of the cap (303) is also provided with a through groove (305) communicated with the funnel body (304).
2. The medical suture needle device according to claim 1, wherein an annular groove body (103) communicated with the hollow cavity (102) is arranged on the surface of the shell (1), and one end of the clamping mechanism (2) with an opening is at least partially detachably clamped in the annular groove body (103).
3. The medical suture needle device according to claim 2, wherein the lower surface of the annular slot body (103) is recessed upwards to form a slot (104), an insertion rod (201) is fixed on the outer surface of the clamping mechanism (2), and the insertion rod (201) is at least partially clamped in the slot (104).
4. The medical suture needle device according to claim 1, wherein a threaded through hole communicating with the hollow cavity (102) is provided on a surface of the housing (1), the threaded through hole being close to the opening, a locking screw (101) being twisted within the threaded through hole, the locking screw (101) being at least partially located within the hollow cavity (102).
5. The medical suture needle device according to claim 1, wherein the push rod mechanism (5) comprises a push rod (504), a push plate (503) and a handle (501), one end of the push rod (504) is located in the hollow cavity (102) and connected with the push plate (503), and the other end extends to the outside of the hollow cavity (102) and connected with the handle (501).
6. The medical suture needle device according to claim 4, wherein a blocking device (4) is arranged on an inner side wall of one end, far away from the opening, of the hollow cavity (102), the blocking device (4) comprises a blocking rod (402) and a return spring (401), the blocking rod (402) is hinged to the inner side wall of the hollow cavity (102), one end of the return spring (401) is connected with the blocking rod (402), the other end of the return spring is fixed on the inner side wall of the hollow cavity (102), and a resisting block (502) capable of being abutted against the blocking rod (402) is further fixed on the push rod (504).
7. The medical suture needle device of claim 1, wherein the hollow cavity (102) is circular in cross-section and has a diameter of R1, the cartridge body (302) is a cylinder having a diameter of R2, and R2 is no greater than R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711317312.5A CN107802349B (en) | 2017-12-12 | 2017-12-12 | Medical suture needle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711317312.5A CN107802349B (en) | 2017-12-12 | 2017-12-12 | Medical suture needle device |
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| Publication Number | Publication Date |
|---|---|
| CN107802349A CN107802349A (en) | 2018-03-16 |
| CN107802349B true CN107802349B (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711317312.5A Active CN107802349B (en) | 2017-12-12 | 2017-12-12 | Medical suture needle device |
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| CN (1) | CN107802349B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114288029B (en) * | 2021-11-15 | 2023-10-10 | 温州市职业中等专业学校 | Intelligent medical handcart based on infrared induction |
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| CN203600274U (en) * | 2013-12-17 | 2014-05-21 | 苏玉华 | Tablet divider |
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| CN204034012U (en) * | 2014-09-05 | 2014-12-24 | 段建霞 | A kind of automatic Loading ZHICHUAN SHUAN infusing device |
| CN205459852U (en) * | 2016-02-01 | 2016-08-17 | 郑州市中医院 | Novel quick inserting needle acupuncture point imbedding tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010048753A1 (en) * | 2008-10-29 | 2010-05-06 | Pan Qiubao | A continuous syringe with automatic replacing needles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676281A (en) * | 2004-12-23 | 2005-10-05 | 束根林 | Automatic repeating self-tapping nailing gun |
| CN201811651U (en) * | 2010-09-08 | 2011-04-27 | 栗伟 | Slingshot device capable of releasing pellets continuously |
| CN202500004U (en) * | 2012-03-21 | 2012-10-24 | 杨海良 | Needle threader |
| CN202881660U (en) * | 2012-11-25 | 2013-04-17 | 陈科 | Threading device |
| CN103126883A (en) * | 2013-03-22 | 2013-06-05 | 屠家凯 | Continuous automatic acupuncture needle inserting device |
| CN203600274U (en) * | 2013-12-17 | 2014-05-21 | 苏玉华 | Tablet divider |
| CN103989501A (en) * | 2014-06-09 | 2014-08-20 | 高宏 | Continuous scalp clip discharging device |
| CN204034012U (en) * | 2014-09-05 | 2014-12-24 | 段建霞 | A kind of automatic Loading ZHICHUAN SHUAN infusing device |
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| CN107802349A (en) | 2018-03-16 |
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