CN111358529A - Neurosurgery scalpel - Google Patents
Neurosurgery scalpel Download PDFInfo
- Publication number
- CN111358529A CN111358529A CN202010184869.1A CN202010184869A CN111358529A CN 111358529 A CN111358529 A CN 111358529A CN 202010184869 A CN202010184869 A CN 202010184869A CN 111358529 A CN111358529 A CN 111358529A
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- blade
- scalpel
- adjusting mechanism
- handle
- tool
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/70—Cleaning devices specially adapted for surgical instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B2017/32113—Surgical scalpels, knives; Accessories therefor with extendable or retractable guard or blade
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a neurosurgical scalpel which comprises a scalpel handle, a scalpel head telescopic adjusting mechanism, a scalpel blade angle adjusting mechanism, a scalpel blade, a storage battery, cleaning foam and a dirty collecting tank, wherein the scalpel head telescopic adjusting mechanism is arranged in the scalpel handle, the scalpel blade angle adjusting mechanism is arranged on the scalpel head telescopic adjusting mechanism, the scalpel blade is rotatably arranged on the scalpel blade angle adjusting mechanism, a battery box is arranged on the side wall of the scalpel handle, the storage battery is arranged in the battery box, the cleaning foam is arranged on the scalpel blade angle adjusting mechanism, and the cleaning foam is convenient for clamping and wiping dirty surfaces of the scalpel blade, so that the scalpel blade is self-cleaned. The invention belongs to the technical field of medical instruments, and particularly provides a neurosurgery scalpel which is high in practicability, adjustable in length of a scalpel head, capable of controlling rotation of a blade angle, self-cleaning of the scalpel head, accurate in operation and high in safety coefficient.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a neurosurgery scalpel.
Background
Neurosurgery is a branch of surgery, and is a branch of surgery, which is based on surgery as a main treatment means, and is used for researching the injury, inflammation, tumor, deformity and certain genetic metabolic disorders or dysfunctional diseases of human nervous systems, such as brain, spinal cord and peripheral nervous system, and related auxiliary mechanisms, such as skull, scalp and cerebral vessels, and the like, by using a unique neurosurgical research method: the etiology and pathogenesis of epilepsy, Parkinson's disease, neuralgia and other diseases, and explores a high, precise and advanced discipline of new diagnosis, treatment and prevention technology.
When the craniocerebral operation is performed, the cutter bodies of the used scalpels are all straight type scalpels, the craniocerebral operation is performed at present by drilling a small hole in a skull, the scalpels stretch into the craniocerebral from the small hole and are operated by virtue of an operating microscope, but when the operation range is deep, the operation cannot be performed due to the fact that the cutter bar of the scalpels is short, and the cutter bar of the scalpels is of a straight bar structure, so that the operation is inconvenient to use.
Disclosure of Invention
In order to solve the existing problems, the invention provides the neurosurgery scalpel which is high in practicability, telescopic and adjustable in length of a scalpel head, capable of controlling rotation of a blade angle, self-cleaning of the scalpel head, accurate in operation and high in safety coefficient.
The technical scheme adopted by the invention is as follows: the invention relates to a neurosurgical scalpel which comprises a scalpel handle, a scalpel head telescopic adjusting mechanism, a scalpel blade angle adjusting mechanism, a scalpel blade, a storage battery, cleaning foam and a dirty collecting tank, wherein the scalpel head telescopic adjusting mechanism is arranged in the scalpel handle; be equipped with one end open-ended flexible spout in the handle of a knife, flexible spout one side is equipped with and link up the gear standing groove that links to each other with flexible spout, the flexible adjustment mechanism of tool bit includes drive gear, flexible knob, spiral shaft and driven spur rack, drive gear is rotatable to be located in the gear standing groove, and flexible knob runs through the handle of a knife upper wall and locates drive gear central axis portion, flexible knob rigid coupling is located on the spiral shaft and is located the handle of a knife top, driven spur rack slides and locates in the flexible spout, be equipped with the teeth of a cogwheel on one side lateral wall that driven spur rack is close to drive gear, driven spur rack lateral wall teeth of a cogwheel mesh with drive gear mutually, thereby blade angle adjustment mechanism locates on the driven spur rack, revolves spiral flexible knob, and flexible knob drives the spiral shaft and rotates, and the spiral shaft drives drive gear and rotates, thereby drive gear drives driven spur The multi-distance and multi-position operation in the operation process is realized, the control effect is good, and the operation is convenient.
Further, blade angle adjustment mechanism includes tool bit, angle modulation pivot and rotating electrical machines, the tool bit is located on the driven spur rack, the rotating electrical machines is fixed locates the tool bit lateral wall, be equipped with the T shape through-hole that runs through lower wall on the tool bit, T shape through-hole is the T shape setting, the rotatable T shape through-hole of locating of angle modulation pivot, the blade is located in the angle modulation pivot, the output shaft of rotating electrical machines is connected with the angle modulation pivot, and the rotating electrical machines rotates and drives the rotation of angle modulation pivot, and the angle modulation pivot drives the blade and rotates angle modulation, realizes at the operation in-process multi-angle operation, increases the flexibility of operation.
Further, on the cotton symmetry of clean bubble is located T shape through-hole both sides wall, the blade is located between the clean bubble is cotton, and when the rotating electrical machines drove the blade to rotate to in the T shape through-hole, the cotton clamp of clean bubble tightly cleaned the blade side, clears away the tissue liquid on the blade and flows to in the dirty collecting vat, realizes the automatically cleaning of blade, increases the precision of operation, and the tissue liquid who glues into the blade does not flow back, clean cleanness, and factor of safety is high.
Further, be equipped with the motor button on the handle of a knife, battery and rotating electrical machines electric connection, the motor button is located between battery and the rotating electrical machines, and the switch and the direction of rotation of rotating electrical machines are controlled to the motor button.
Furthermore, the cross sectional area of flexible spout is greater than the cross sectional area of driven spur rack, preferably, the cross sectional area of flexible spout slightly is greater than the cross sectional area of driven spur rack, can guarantee that driven spur rack can freely slide in flexible spout along with initiative drive gear, guarantees again that flexible spout carries on spacingly to driven spur rack, avoids rocking unstably because of too big driven spur rack in the clearance between driven spur rack and the flexible spout, guarantees the precision of operation.
The invention with the structure has the following beneficial effects: the neurosurgical scalpel is simple in structure, reasonable in design and easy and convenient to operate, the telescopic knob is screwed to drive the driving gear to drive the driven straight gear to move in the gear chute, the length of a tool bit connected to the end of the driven straight gear is extended, multi-distance and multi-position operation in the operation process is achieved, the control effect is good, and operation is convenient; the rotary motor is controlled to drive the blade to rotate by pressing the motor button, so that multi-angle operation in the operation process is realized, and the operation flexibility is improved; in shifting over to T shape through-hole through the blade, the cotton clamp of clean bubble is pressed from both sides and is cleaned the blade side, clears away the tissue liquid on the blade and flows to dirty collecting vat in, realizes the automatically cleaning of blade, increases the precision of operation, and the tissue liquid who glues into the blade does not flow back, clean cleanness, factor of safety is high.
Drawings
FIG. 1 is a schematic view of a neurosurgical scalpel according to the present invention;
FIG. 2 is a top view of a neurosurgical scalpel in accordance with the present invention;
fig. 3 is a schematic view of the internal structure of a neurosurgical scalpel in accordance with the present invention.
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: 1. handle of a knife, 2, the flexible adjustment mechanism of tool bit, 3, blade angle adjustment mechanism, 4, blade, 5, the battery, 6, clean bubble are cotton, 7, dirty collecting vat, 8, the battery case, 9, flexible spout, 10, the gear standing groove, 11, drive gear, 12, flexible knob, 13, the spiral shaft, 14, driven spur rack, 15, the tool bit, 16, angle modulation pivot, 17, rotating electrical machines, 18, T shape through-hole, 19, motor button.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the neurosurgical scalpel comprises a scalpel handle 1, a scalpel head telescopic adjusting mechanism 2, a blade angle adjusting mechanism 3, a blade 4, a storage battery 5, cleaning foam 6 and a dirt collecting tank 7, wherein the scalpel head telescopic adjusting mechanism 2 is arranged in the scalpel handle 1, the blade angle adjusting mechanism 3 is arranged on the scalpel head telescopic adjusting mechanism 2, the blade 4 is rotatably arranged on the blade angle adjusting mechanism 3, a battery box 8 is arranged on the side wall of the scalpel handle 1, the storage battery 5 is arranged in the battery box 8, the cleaning foam 6 is arranged on the blade angle adjusting mechanism 3, and the dirt collecting tank 7 is arranged on the side wall of the scalpel handle 1 and below the blade angle adjusting mechanism 3; be equipped with one end open-ended flexible spout 9 in the handle of a knife 1, flexible spout 9 one side is equipped with and link up continuous gear standing groove 10 with flexible spout 9, the flexible adjustment mechanism 2 of tool bit includes driving gear 11, flexible knob 12, spiral axle 13 and driven spur rack 14, driving gear 11 is rotatable to be located in gear standing groove 10, and flexible knob 12 runs through 1 upper wall of handle of a knife and locates driving gear 11 central axial region, flexible knob 12 rigid coupling is located on the spiral axle 13 and is located 1 top of handle of a knife, driven spur rack 14 slides and locates in flexible spout 9, driven spur rack 14 is close to and is equipped with the teeth of a cogwheel on one side lateral wall of driving gear 11, driven spur rack 14 teeth of a cogwheel lateral wall meshes with driving gear 11 mutually, blade angle adjustment mechanism 3 locates on driven spur rack 14.
The blade angle adjusting mechanism 3 comprises a blade head 15, an angle adjusting rotating shaft 16 and a rotating motor 17, the blade head 15 is arranged on a driven straight rack 14, the rotating motor 17 is fixedly arranged on the side wall of the blade head 15, a T-shaped through hole 18 penetrating through the upper wall and the lower wall of the blade head 15 is formed in the blade head 15, the T-shaped through hole 18 is arranged in a T shape, the angle adjusting rotating shaft 16 is rotatably arranged in the T-shaped through hole 18, the blade 4 is arranged on the angle adjusting rotating shaft 16, an output shaft of the rotating motor 17 is connected with the angle adjusting rotating shaft 16, the cleaning foam 6 is symmetrically arranged on two side walls of the T-shaped through hole 18, the blade 4 is arranged between the cleaning foam 6, a motor button 19 is arranged on the handle 1, the storage battery 5 is electrically connected with the rotating motor 17, and the motor button 19 is; the cross-sectional area of the telescopic chute 9 is larger than that of the driven spur rack 14.
When the length from the tool bit 15 to the tool handle 1 needs to be adjusted, a medical worker holds the tool handle 1 by hand, when the length from the tool bit 15 to the tool handle 1 needs to be adjusted, the telescopic knob 12 is screwed, the telescopic knob 12 drives the rotary shaft 13 to rotate, the rotary shaft 13 drives the driving gear 11 to rotate, and the driving gear 11 drives the driven spur rack 14 to slide in a reciprocating manner so as to drive the blade angle adjusting mechanism 3 to slide in a reciprocating manner and stretch in a reciprocating manner, so that the length from the tool bit 15 to the tool handle 1 is adjusted, multi-distance and multi-position operation in the operation process; when the angle of the blade 4 needs to be adjusted, a doctor can press the motor button 19 to control the rotating motor 17 to rotate, the storage battery 5 supplies power to the rotating motor 17 to enable the rotating motor 17 to work, the rotating motor 17 drives the angle adjusting rotating shaft 16 to rotate, and the angle adjusting rotating shaft 16 drives the blade 4 to rotate for adjusting the angle, so that multi-angle operation in the operation process is realized, and the operation flexibility is improved; the doctor can press motor button 19 control rotating electrical machines 17 and drive blade 4 clockwise rotation and go into in T shape through-hole 18, the cotton 6 clamp of clean bubble in the T shape through-hole 18 tightly cleans blade 4 side, clears away the tissue liquid on blade 4 and flows to dirty collecting vat 7 in, realizes blade 4's automatically cleaning, increases the precision of operation, and the tissue liquid of gluing into blade 4 does not flow back, clean cleanness, and factor of safety is high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A neurosurgical scalpel comprising: the cleaning tool comprises a tool handle, a tool bit telescopic adjusting mechanism, a blade angle adjusting mechanism, a blade, a storage battery, cleaning foam and a dirty collecting tank, wherein the tool bit telescopic adjusting mechanism is arranged in the tool handle, the blade angle adjusting mechanism is arranged on the tool bit telescopic adjusting mechanism, the blade is rotatably arranged on the blade angle adjusting mechanism, a battery box is arranged on the side wall of the tool handle, the storage battery is arranged in the battery box, the cleaning foam is arranged on the blade angle adjusting mechanism, and the dirty collecting tank is arranged on the side wall of the tool handle and below the blade angle adjusting mechanism; be equipped with one end open-ended flexible spout in the handle of a knife, flexible spout one side is equipped with and link up the gear standing groove that links to each other with flexible spout, the flexible adjustment mechanism of tool bit includes drive gear, flexible knob, revolves axle and driven spur rack, drive gear is rotatable to be located in the gear standing groove, and flexible knob runs through the handle of a knife upper wall and locates drive gear central axis portion, flexible knob rigid coupling is located and is revolved epaxially and locate the handle of a knife top, driven spur rack slides and locates in the flexible spout, be equipped with the teeth of a cogwheel on one side lateral wall that driven spur rack is close to drive gear, driven spur rack lateral wall teeth of a cogwheel mesh with drive gear mutually, blade angle adjustment mechanism locates on the driven.
2. A neurosurgical scalpel according to claim 1 wherein: blade angle adjustment mechanism includes tool bit, angle modulation pivot and rotating electrical machines, the tool bit is located on the driven spur rack, the fixed tool bit lateral wall of locating of rotating electrical machines, be equipped with the T shape through-hole that runs through lower wall on the tool bit, T shape through-hole is the T shape setting, the rotatable T shape through-hole of locating of angle modulation pivot, the blade is located in the angle modulation pivot, the output shaft of rotating electrical machines is connected with the angle modulation pivot.
3. A neurosurgical scalpel according to claim 2 wherein: the cleaning foam is symmetrically arranged on two side walls of the T-shaped through hole, and the blade is arranged between the cleaning foam.
4. A neurosurgical scalpel according to claim 2 wherein: the electric tool comprises a tool handle, a storage battery and a rotating motor, wherein the tool handle is provided with a motor button, the storage battery is electrically connected with the rotating motor, and the motor button is arranged between the storage battery and the rotating motor.
5. A neurosurgical scalpel according to claim 1 wherein: the cross-sectional area of the telescopic chute is larger than that of the driven spur rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184869.1A CN111358529A (en) | 2020-03-17 | 2020-03-17 | Neurosurgery scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184869.1A CN111358529A (en) | 2020-03-17 | 2020-03-17 | Neurosurgery scalpel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111358529A true CN111358529A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010184869.1A Pending CN111358529A (en) | 2020-03-17 | 2020-03-17 | Neurosurgery scalpel |
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| CN (1) | CN111358529A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155680A (en) * | 2020-10-10 | 2021-01-01 | 广州联优科技有限公司 | Medical surgical knife |
| CN112296915A (en) * | 2020-11-03 | 2021-02-02 | 玛苒(温州)农业科技发展有限公司 | Telescopic adjustable socket wrench |
| CN112587207A (en) * | 2020-12-10 | 2021-04-02 | 广州市雪儿海蒂门诊部有限公司 | Vagina contraction and folding minimally invasive surgery operation device and control method |
| CN113662632A (en) * | 2021-08-19 | 2021-11-19 | 浙江海洋大学东海科学技术学院 | Multifunctional medical knife |
| CN114903567A (en) * | 2022-05-13 | 2022-08-16 | 中国人民解放军总医院第四医学中心 | Clear processing apparatus that creates of surgery of pollutant self-collection |
| CN117731370A (en) * | 2024-02-20 | 2024-03-22 | 四川大学华西医院 | Surgical knife |
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| EP0709064A1 (en) * | 1994-10-25 | 1996-05-01 | Becton, Dickinson and Company | Guarded surgical scalpel |
| US6623499B1 (en) * | 2002-02-21 | 2003-09-23 | Michael Andreini | Retractable safety scalpel |
| US20090112200A1 (en) * | 2007-10-30 | 2009-04-30 | Hemostatix Medical Technologies Llc | Hemostatic surgical blade, system and method of blade manufacture |
| CN203710090U (en) * | 2014-02-20 | 2014-07-16 | 岳修臣 | Operating scalpel for neurosurgery department |
| CN204468205U (en) * | 2015-02-04 | 2015-07-15 | 谷红梅 | A kind of department of obstetrics and gynecology special-purpose surgical knife tool |
| CN204814086U (en) * | 2015-08-23 | 2015-12-02 | 常山优博特机电科技有限公司 | Can singlehanded scalpel of adjusting scalpel blade and handle of a knife angle |
| CN206063203U (en) * | 2016-07-27 | 2017-04-05 | 鲁锐 | A kind of Multifunctional bistoury |
| CN206261662U (en) * | 2016-08-29 | 2017-06-20 | 重庆金山科技（集团）有限公司 | A kind of gear drive writing of indictments, appeals, etc. |
| CN208274604U (en) * | 2017-10-23 | 2018-12-25 | 常州市第二人民医院 | A kind of medical scalpel |
| CN208725834U (en) * | 2018-04-24 | 2019-04-12 | 张玉海 | A kind of length-adjustable scalpel of cutter head |
| CN208876692U (en) * | 2018-04-14 | 2019-05-21 | 陈琳 | A kind of clinician's scalpel |
| CN209422044U (en) * | 2018-07-03 | 2019-09-24 | 马世丽 | A kind of scalpel of otology tonsillectomy |
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2020
- 2020-03-17 CN CN202010184869.1A patent/CN111358529A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0709064A1 (en) * | 1994-10-25 | 1996-05-01 | Becton, Dickinson and Company | Guarded surgical scalpel |
| US6623499B1 (en) * | 2002-02-21 | 2003-09-23 | Michael Andreini | Retractable safety scalpel |
| US20090112200A1 (en) * | 2007-10-30 | 2009-04-30 | Hemostatix Medical Technologies Llc | Hemostatic surgical blade, system and method of blade manufacture |
| CN203710090U (en) * | 2014-02-20 | 2014-07-16 | 岳修臣 | Operating scalpel for neurosurgery department |
| CN204468205U (en) * | 2015-02-04 | 2015-07-15 | 谷红梅 | A kind of department of obstetrics and gynecology special-purpose surgical knife tool |
| CN204814086U (en) * | 2015-08-23 | 2015-12-02 | 常山优博特机电科技有限公司 | Can singlehanded scalpel of adjusting scalpel blade and handle of a knife angle |
| CN206063203U (en) * | 2016-07-27 | 2017-04-05 | 鲁锐 | A kind of Multifunctional bistoury |
| CN206261662U (en) * | 2016-08-29 | 2017-06-20 | 重庆金山科技（集团）有限公司 | A kind of gear drive writing of indictments, appeals, etc. |
| CN208274604U (en) * | 2017-10-23 | 2018-12-25 | 常州市第二人民医院 | A kind of medical scalpel |
| CN208876692U (en) * | 2018-04-14 | 2019-05-21 | 陈琳 | A kind of clinician's scalpel |
| CN208725834U (en) * | 2018-04-24 | 2019-04-12 | 张玉海 | A kind of length-adjustable scalpel of cutter head |
| CN209422044U (en) * | 2018-07-03 | 2019-09-24 | 马世丽 | A kind of scalpel of otology tonsillectomy |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112155680A (en) * | 2020-10-10 | 2021-01-01 | 广州联优科技有限公司 | Medical surgical knife |
| CN112155680B (en) * | 2020-10-10 | 2022-08-16 | 广州联优科技有限公司 | Medical surgical knife |
| CN112296915A (en) * | 2020-11-03 | 2021-02-02 | 玛苒(温州)农业科技发展有限公司 | Telescopic adjustable socket wrench |
| CN112587207A (en) * | 2020-12-10 | 2021-04-02 | 广州市雪儿海蒂门诊部有限公司 | Vagina contraction and folding minimally invasive surgery operation device and control method |
| CN113662632A (en) * | 2021-08-19 | 2021-11-19 | 浙江海洋大学东海科学技术学院 | Multifunctional medical knife |
| CN114903567A (en) * | 2022-05-13 | 2022-08-16 | 中国人民解放军总医院第四医学中心 | Clear processing apparatus that creates of surgery of pollutant self-collection |
| CN114903567B (en) * | 2022-05-13 | 2023-03-14 | 中国人民解放军总医院第四医学中心 | Clear processing apparatus that creates of surgery that pollutant was collected certainly |
| CN117731370A (en) * | 2024-02-20 | 2024-03-22 | 四川大学华西医院 | Surgical knife |
| CN117731370B (en) * | 2024-02-20 | 2024-04-26 | 四川大学华西医院 | Surgical knife |
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Application publication date: 20200703 |
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