CN114569199B - High-toughness ceramic surgical knife and operation method thereof - Google Patents
High-toughness ceramic surgical knife and operation method thereof Download PDFInfo
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- CN114569199B CN114569199B CN202210213419.XA CN202210213419A CN114569199B CN 114569199 B CN114569199 B CN 114569199B CN 202210213419 A CN202210213419 A CN 202210213419A CN 114569199 B CN114569199 B CN 114569199B
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- 239000000919 ceramic Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 80
- 230000005489 elastic deformation Effects 0.000 claims abstract description 19
- 230000005684 electric field Effects 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 210000001519 tissue Anatomy 0.000 description 8
- 208000006735 Periostitis Diseases 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 210000005036 nerve Anatomy 0.000 description 4
- 210000003460 periosteum Anatomy 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B17/00—Surgical instruments, devices or methods
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The application discloses a high-toughness ceramic surgical knife and an operation method thereof, wherein the surgical knife comprises a knife handle and a knife body, and the knife body comprises a main supporting body and a main cutting body; one end of the main support body is fixed at one end of the cutter handle, and the other end of the main support body is connected with one end of the main cutting body through an insulating elastic piece; the main cutting body and the main supporting body can rotate relatively through the insulating elastic piece; the insulating elastic piece is embedded with an initially bent piezoelectric elastic deformation body; the piezoelectric elastic deformation body deforms under the control of a circuit to drive the main cutting body to rotate relative to the main supporting body; the upper side and the lower side of the main cutting body are blade parts; the scalpel has the advantages that the scalpel has toughness and hardness, the defects of a metal scalpel and a ceramic scalpel are skillfully overcome, the advantages of the metal scalpel and the ceramic scalpel are combined, a doctor of a main scalpel can reduce the conditions of replacing forceps, scissors and other surgical instruments, the surgical efficiency is improved, the surgical error rate is reduced, the whole operation of deformation of the scalpel is simple and quick, the operation is easy to master skillfully, and the safety is high.
Description
Technical Field
The application relates to the technical field of surgical instruments, in particular to a high-toughness ceramic surgical knife and an operation method thereof.
Background
The scalpel is a special cutter which consists of a blade and a scalpel handle and is used for cutting human or animal tissues, and is an essential operation tool in surgical operation.
A surgical knife is typically composed of a blade and a handle. The knife edge is used for incising skin and muscle during dissection. The blade and the knife handle with proper types are selected according to the size of the wound. Because the common surgical knife has the characteristic of zero damage to tissues after cutting, the surgical knife can be applied to various operations, but the wound surface after cutting has active bleeding and is applied to the operation with more bleeding in a controlled way.
The surgical knife in the prior art is of a single-edge structure, and can only be used for front cutting, other instruments such as forceps and scissors are frequently used alternately or together in the surgical process, and the surgical time is prolonged and the surgical efficiency is reduced due to the fact that the surgical knife is used alternately between the traditional surgical knife and the other instruments for multiple times.
In addition, the surgical knife in the prior art is generally made of metal, the surgical hardness of the metal is limited, and the sharpness and durability are insufficient; there are few surgical knives made of ceramic materials at present, and the surgical knives are sharp, but have large brittleness and poor bending resistance, and are easy to break in the use process, so that the surgical knives cause great risks to patients.
Disclosure of Invention
The application aims to provide the high-toughness ceramic scalpel and the operation method thereof, the scalpel has the advantages of toughness and hardness, the defects of a metal scalpel and a ceramic scalpel are skillfully overcome, and the two defects are fused, so that a doctor of a main scalpel can use the scalpel to perform operations of cutting, picking back, repairing and cleaning blood vessels, nerves, periosteum or other tissues, the situation of replacing forceps, scissors and other surgical instruments is reduced, the operation efficiency is improved, the operation error rate is reduced, the whole operation of the deformation of the scalpel is simple and rapid, the operation is easy to master skillfully, and the safety is high.
In order to achieve the above effects, the present application provides the following technical solutions: the high-toughness ceramic surgical knife comprises a knife handle and a knife body, wherein the knife body comprises a main supporting body and a main cutting body; one end of the main support body is fixed at one end of the cutter handle, and the other end of the main support body is connected with one end of the main cutting body through an insulating elastic piece; the main cutting body and the main supporting body can rotate relatively through the insulating elastic piece; the insulating elastic piece is embedded with an initially bent piezoelectric elastic deformation body; the piezoelectric elastic deformation body deforms under the control of a circuit to drive the main cutting body to rotate relative to the main supporting body; the upper side and the lower side of the main cutting body are blade parts.
The piezoelectric elastic deformation body comprises an arc-shaped elastic insulating sheet and arc-shaped piezoelectric ceramic sheets attached to two sides of the elastic insulating sheet; the circuit controls the two piezoelectric ceramic plates to generate opposite electric fields.
Wherein, an insulating elastic sealing cavity is also connected between the main support body and the main cutting body; electrorheological fluid is filled in the insulating elastic sealing cavity; a pair of electrodes are also arranged in the insulating elastic sealing cavity; an electrical circuit applies an electric field to the electrorheological fluid through the electrodes.
The insulating elastic sealing cavity is embedded in the insulating elastic piece or is directly formed in the insulating elastic piece; the two ends of the insulating elastic sealing cavity are respectively fixedly connected with the main supporting body and the main cutting body; the electrodes are fixed at two ends of the insulating elastic sealing cavity and are respectively supported on the main support body and the main cutting body.
Wherein the main cutting body extends to the front end of the main cutting body to form a sharp edge part; the pointed edge part extends to a position beyond the insulating elastic piece; the downward side of the sharp edge part is an edge part, and the side facing the insulating elastic piece is a blunt part.
Wherein the main support body is made of high-strength transparent high polymer material.
Wherein, the main cutting body is a ceramic body.
Wherein, be provided with piezoceramics electric field regulating switch and electrorheological fluid safety switch on the handle of a knife.
The operation method of the high-toughness ceramic scalpel comprises the following steps:
(1) the doctor of the main knife cuts the skin and the muscle in a normal state by using the surgical knife;
(2) the doctor of the main knife selects a gear through the piezoelectric ceramic electric field regulating switch according to the requirement, and the gear corresponds to the opening included angle of the main cutter relative to the main support body; in the process, the two piezoelectric ceramic plates are stretched and shortened under the action of an electric field, so that the piezoelectric elastic deformation body is deformed in a reduced bending manner, and the insulating elastic piece is driven to drive the main cutting body to rotate downwards relative to the main supporting body, and the main cutting body and the main supporting body are mutually stretched to form an included angle; after the main cutting body is opened relative to the main supporting body and the included angle is in place, a doctor of the main knife opens an electrorheological fluid safety switch, and electrorheological fluid is converted into solid under the action of an electric field, so that the opening angle between the main cutting body and the main supporting body is solidified; then, a doctor of the main knife closes the electric field borne by the piezoelectric ceramic plate through the piezoelectric ceramic electric field regulating switch, and the opening angle between the main cutting body and the main supporting body is not changed because of the supporting of the solidified insulating elastic sealing cavity; at the moment, a doctor of the main knife can use the surgical knife to perform operations of cutting, picking back and cleaning blood vessels, nerves, periosteum or other tissues;
(3) after the operation is finished, a doctor of the main knife turns off the electrorheological fluid safety switch, the electrorheological fluid is converted into liquid again after losing the action of an electric field, the main cutting body returns to an initial state under the action of resilience force of the insulating elastic piece, and the main cutting body rotates to be attached to the main support.
The application provides a high-toughness ceramic scalpel and an operation method thereof, which have the following beneficial effects:
1. the scalpel disclosed by the application has the advantages of toughness and hardness, skillfully overcomes the defects of a metal scalpel and a ceramic scalpel, combines the advantages of the metal scalpel and the ceramic scalpel, and enables a doctor to use the scalpel to perform operations of cutting, picking back, cleaning blood vessels, nerves, periosteum or other tissues, so that the conditions of replacing forceps, scissors and other surgical instruments are reduced, the surgical efficiency is improved, the surgical error rate is reduced, the whole operation of deformation of the scalpel is simple and rapid, the operation is easy to master skillfully, and the safety is high.
2. The cutter body is divided into the main support body and the main cutting body, so that the support part of the cutter body is separated from the cutting part, and therefore, the main support body and the main cutting body can be made of different materials according to the characteristics and the requirements of the cutter body, and the combination of high strength and high toughness of the main support body and high hardness and high sharpness of the main cutting body is realized; the main support body is connected with the main cutting body through the insulating elastic piece, so that the main support body and the main cutting body are connected into a whole, and the main support body and the main cutting body can be reversibly and controllably opened relative included angles by combining the piezoelectric elastic deformation body, so that a double-edge structure of the main cutting body is utilized to provide more flexible and multifunctional operation for a doctor of a main knife, and the problems of lengthening operation time, increasing operation risk, physical consumption, high infection risk, injury of tissues and organs, anesthesia, life support and the like caused by frequent replacement of surgical instruments of the doctor of the main knife can be reduced and improved.
3. The application is also provided with an insulating elastic sealing cavity, and utilizes the characteristics of electrorheological fluid to realize reversible solidification of the opening angles of the main support body and the main cutting body, thereby playing a role in safety and preventing the unstable opening angle of the main cutting body from damaging tissues and organs of a patient; on the other hand, the deformation of the piezoelectric elastic deformation body is not required to be maintained, and the power consumption is reduced.
4. The main cutting body is abutted against the main support body during pressing cutting, and the main support body is used as a support, so that the occurrence of fracture can be effectively prevented; and after a certain angle is opened, a back-pull cutting operation is adopted, or the defect that the ceramic blade is poor in bending resistance can be effectively overcome through the elastic deformation effect of the insulating elastic piece when the scraping operation is stirred left and right, the main cutting body can be prevented from being broken, the whole service life is longer, the stability is good, and the safety is high.
Drawings
FIG. 1 is a schematic view of the structure of the high-toughness ceramic scalpel in a static state;
FIG. 2 is a schematic view of the structure of the high-toughness ceramic scalpel of the present application when the main cutter is open;
FIG. 3 is an enlarged view of the circle of FIG. 1 in accordance with the present application;
fig. 4 is a schematic structural view of the piezoelectric elastic deformation body of the present application.
The reference numerals in the drawings are as follows:
1. a knife handle; 11. a piezoelectric ceramic electric field regulating switch; 12. an electrorheological fluid safety switch; 2. a cutter body; 21. a main support body; 22. a main cutter; 221. a sharp edge portion; 23. an insulating elastic member; 24. a piezoelectric elastic deformation body; 241. an elastic insulating sheet; 242. a piezoelectric ceramic sheet; 25. an insulating elastic seal chamber; 26. an electrode.
Description of the embodiments
The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.
The application provides a technical scheme that: referring to fig. 1 to 4, a high-toughness ceramic scalpel comprises a scalpel handle 1 and a scalpel body 2, wherein the scalpel body 2 comprises a main supporting body 21 and a main cutting body 22; one end of the main supporting body 21 is fixed at one end of the knife handle 1, and the other end is connected with one end of the main cutting body 22 through an insulating elastic piece 23; the main cutting body 22 and the main support body 21 are rotatable relative to each other through an insulating elastic member 23; the insulating elastic member 23 is embedded with a piezoelectric elastic deformation body 24 which is initially bent; the piezoelectric elastic deformation body 24 deforms under the control of a circuit to drive the main cutting body 22 to rotate relative to the main supporting body 21; the upper and lower sides of the main cutter body 22 are blade portions.
Further, the piezoelectric elastic deformation body 24 comprises an arc-shaped elastic insulating sheet 241 and arc-shaped piezoelectric ceramic sheets 242 attached to both sides of the elastic insulating sheet 241; the circuit controls the two piezoelectric ceramic plates 242 to generate opposite electric fields.
Further, an insulating elastic sealing cavity 25 is also connected between the main support 21 and the main cutting body 22; the insulating elastic sealing cavity 25 is filled with electrorheological fluid; a pair of electrodes 26 are also provided in the insulating elastic seal chamber 25; a circuit applies an electric field to the electrorheological fluid through electrode 26.
Further, the insulating elastic sealing cavity 25 is embedded in the insulating elastic member 23 or is directly formed in the insulating elastic member 23; the two ends of the insulating elastic sealing cavity 25 are respectively fixedly connected with the main supporting body 21 and the main cutting body 22; electrodes 26 are fixed to both ends of the insulating elastic seal chamber 25 and are supported on the main support 21 and the main cutting body 22, respectively.
Further, the main cutter 22 extends to a tip 221 toward the front end thereof; the tip 221 protrudes beyond the insulating elastic member 23; the downward side of the sharp edge 221 is an edge, and the side facing the insulating elastic member 23 is a blunt portion.
Further, the main support 21 is made of a high-strength transparent polymer material.
Further, the main cutting body 22 is a ceramic body.
Further, a piezoelectric ceramic electric field regulating switch 11 and an electrorheological fluid safety switch 12 are arranged on the knife handle 1.
The operation method of the high-toughness ceramic scalpel comprises the following steps:
(1) the doctor of the main knife cuts the skin and the muscle by using the normal state of the surgical knife;
(2) the doctor of the main knife selects a gear through the piezoelectric ceramic electric field regulating switch 11 according to the requirement, and the gear corresponds to the opening included angle of the main cutting body 22 relative to the main supporting body 21; in this process, the two piezoelectric ceramic plates 242 are stretched and shortened under the action of the electric field, so that the piezoelectric elastic deformation body 24 is deformed to reduce bending, and the insulating elastic piece 23 is driven to drive the main cutting body 22 to rotate downwards relative to the main supporting body 21, and the main cutting body 22 and the main supporting body 21 are mutually opened to form an included angle; after the main cutting body 22 opens an included angle relative to the main supporting body 21, a doctor of a main knife opens the electrorheological fluid safety switch 12, and electrorheological fluid is converted into solid under the action of an electric field, so that the opening angle between the main cutting body 22 and the main supporting body 21 is solidified; then the doctor of the main knife closes the electric field received by the piezoelectric ceramic piece 242 through the piezoelectric ceramic electric field adjusting switch 11, and the opening angle between the main cutting body 22 and the main supporting body 21 is not changed because the cured insulating elastic sealing cavity 25 is supported; at the moment, a doctor of the main knife can perform operations of cutting, picking back and cleaning blood vessels, nerves, periosteum or other tissues by using the surgical knife;
(3) after the operation is completed, the doctor of the main knife turns off the electrorheological fluid safety switch 12, the electrorheological fluid is converted into liquid again after losing the action of the electric field, the main cutting body 22 returns to the initial state under the action of the resilience force of the insulating elastic piece 23, and the main cutting body 22 rotates to be attached to the main support body 21. Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a high toughness ceramic scalpel, includes handle of a knife (1) and cutter body (2), its characterized in that: the cutter body (2) comprises a main supporting body (21) and a main cutting body (22); one end of the main support body (21) is fixed at one end of the cutter handle (1), and the other end of the main support body is connected with one end of the main cutting body (22) through an insulating elastic piece (23); the main cutting body (22) and the main support body (21) can rotate relatively through the insulating elastic piece (23); the insulating elastic piece (23) is embedded with a piezoelectric elastic deformation body (24) with initial bending; the piezoelectric elastic deformation body (24) deforms under the control of a circuit to drive the main cutting body (22) to rotate relative to the main supporting body (21); the upper side and the lower side of the main cutting body (22) are both blade parts; the piezoelectric elastic deformation body (24) comprises an arc-shaped elastic insulating sheet (241) and arc-shaped piezoelectric ceramic sheets (242) attached to two sides of the elastic insulating sheet (241); the circuit controls the two piezoelectric ceramic plates (242) to generate opposite electric fields; an insulating elastic sealing cavity (25) is also connected between the main support body (21) and the main cutting body (22); the insulating elastic sealing cavity (25) is filled with electrorheological fluid; a pair of electrodes (26) are also arranged in the insulating elastic sealing cavity (25); a circuit applies an electric field to the electrorheological fluid through the electrode (26); the insulating elastic sealing cavity (25) is embedded in the insulating elastic piece (23) or is directly formed in the insulating elastic piece (23); two ends of the insulating elastic sealing cavity (25) are respectively and fixedly connected with the main supporting body (21) and the main cutting body (22); the electrodes (26) are fixed at two ends of the insulating elastic sealing cavity (25) and are respectively supported on the main support body (21) and the main cutting body (22); the main cutting body (22) extends to the front end of the main cutting body to form a sharp edge (221); the pointed edge part (221) extends to a position beyond the insulating elastic piece (23); the downward side of the sharp edge part (221) is an edge part, and the side facing the insulating elastic piece (23) is a blunt part; a piezoelectric ceramic electric field regulating switch (11) and an electrorheological fluid safety switch (12) are arranged on the knife handle (1);
the gear adjusting method of the scalpel comprises the following steps:
an operator selects a gear through the piezoelectric ceramic electric field regulating switch (11) according to the requirement, and the gear corresponds to an opening included angle of the main cutting body (22) relative to the main supporting body (21); in the process, the two piezoelectric ceramic plates (242) are stretched and shortened under the action of an electric field, so that the piezoelectric elastic deformation body (24) is deformed in a reduced bending manner, the insulating elastic piece (23) is driven to drive the main cutting body (22) to rotate downwards relative to the main supporting body (21), and the main cutting body (22) and the main supporting body (21) are mutually opened to form an included angle; after the main cutting body (22) opens an included angle relative to the main supporting body (21), an operator opens the electrorheological fluid safety switch (12), and electrorheological fluid is converted into solid under the action of an electric field, so that the opening angle between the main cutting body (22) and the main supporting body (21) is solidified; then an operator closes an electric field borne by the piezoelectric ceramic plates (242) through the piezoelectric ceramic electric field regulating switch (11), and the opening angle between the main cutting body (22) and the main supporting body (21) is not changed because the cured insulating elastic sealing cavity (25) is used for supporting; after the operation is finished, an operator turns off the electrorheological fluid safety switch (12), the electrorheological fluid is converted into liquid again under the action of an electric field, the main cutting body (22) returns to an initial state under the action of resilience force of the insulating elastic piece (23), and the main cutting body (22) rotates to be attached to the main supporting body (21).
2. The high-toughness ceramic surgical knife according to claim 1, wherein: the main support (21) is made of high-strength transparent high polymer material.
3. The high-toughness ceramic surgical knife according to claim 1, wherein: the main cutting body (22) is a ceramic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210213419.XA CN114569199B (en) | 2022-03-04 | 2022-03-04 | High-toughness ceramic surgical knife and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210213419.XA CN114569199B (en) | 2022-03-04 | 2022-03-04 | High-toughness ceramic surgical knife and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114569199A CN114569199A (en) | 2022-06-03 |
| CN114569199B true CN114569199B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210213419.XA Active CN114569199B (en) | 2022-03-04 | 2022-03-04 | High-toughness ceramic surgical knife and operation method thereof |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0185307A2 (en) * | 1984-12-21 | 1986-06-25 | General Electric Company | Improved piezoelectric ceramic switching devices and systems and method of making the same |
| EP0262637A2 (en) * | 1986-09-29 | 1988-04-06 | Mitsubishi Chemical Corporation | Piezoelectric actuator |
| KR19990035044A (en) * | 1997-10-31 | 1999-05-15 | 전주범 | Gripper with Piezoelectric Ceramic |
| WO2008148139A1 (en) * | 2007-06-08 | 2008-12-11 | Angelo Troedhan | Ultrasonic scalpel |
| CN202342142U (en) * | 2011-11-10 | 2012-07-25 | 光弘科技股份有限公司 | Combined scalpel |
| CN203564310U (en) * | 2013-11-16 | 2014-04-30 | 余雪 | Universal scalpel |
| CN204500886U (en) * | 2015-03-16 | 2015-07-29 | 南安市广韵贸易有限公司 | A kind of surgical knife |
| CN106738867A (en) * | 2017-01-10 | 2017-05-31 | 北京大学 | A kind of broadband piezoelectric vibration scraper and its jet printing type 3D printing and Method of printing |
| CN109528150A (en) * | 2019-01-15 | 2019-03-29 | 北京大学第三医院（北京大学第三临床医学院） | A kind of angle adjustable bronchoscope fixed system |
| CN110833442A (en) * | 2019-10-14 | 2020-02-25 | 李金萍 | Surgical blade |
| CN211381637U (en) * | 2019-12-30 | 2020-09-01 | 陈渊 | Scalpel for tenosynovitis surgery |
| CN113100882A (en) * | 2020-01-10 | 2021-07-13 | 京东方科技集团股份有限公司 | Surgical knife |
-
2022
- 2022-03-04 CN CN202210213419.XA patent/CN114569199B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0185307A2 (en) * | 1984-12-21 | 1986-06-25 | General Electric Company | Improved piezoelectric ceramic switching devices and systems and method of making the same |
| EP0262637A2 (en) * | 1986-09-29 | 1988-04-06 | Mitsubishi Chemical Corporation | Piezoelectric actuator |
| KR19990035044A (en) * | 1997-10-31 | 1999-05-15 | 전주범 | Gripper with Piezoelectric Ceramic |
| WO2008148139A1 (en) * | 2007-06-08 | 2008-12-11 | Angelo Troedhan | Ultrasonic scalpel |
| CN202342142U (en) * | 2011-11-10 | 2012-07-25 | 光弘科技股份有限公司 | Combined scalpel |
| CN203564310U (en) * | 2013-11-16 | 2014-04-30 | 余雪 | Universal scalpel |
| CN204500886U (en) * | 2015-03-16 | 2015-07-29 | 南安市广韵贸易有限公司 | A kind of surgical knife |
| CN106738867A (en) * | 2017-01-10 | 2017-05-31 | 北京大学 | A kind of broadband piezoelectric vibration scraper and its jet printing type 3D printing and Method of printing |
| CN109528150A (en) * | 2019-01-15 | 2019-03-29 | 北京大学第三医院（北京大学第三临床医学院） | A kind of angle adjustable bronchoscope fixed system |
| CN110833442A (en) * | 2019-10-14 | 2020-02-25 | 李金萍 | Surgical blade |
| CN211381637U (en) * | 2019-12-30 | 2020-09-01 | 陈渊 | Scalpel for tenosynovitis surgery |
| CN113100882A (en) * | 2020-01-10 | 2021-07-13 | 京东方科技集团股份有限公司 | Surgical knife |
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| Publication number | Publication date |
|---|---|
| CN114569199A (en) | 2022-06-03 |
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