CN116898534A - High-efficient meticulous dissection ultrasonic knife - Google Patents
High-efficient meticulous dissection ultrasonic knife Download PDFInfo
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- CN116898534A CN116898534A CN202310616693.6A CN202310616693A CN116898534A CN 116898534 A CN116898534 A CN 116898534A CN 202310616693 A CN202310616693 A CN 202310616693A CN 116898534 A CN116898534 A CN 116898534A
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- 238000002224 dissection Methods 0.000 title claims abstract description 30
- 230000015271 coagulation Effects 0.000 claims abstract description 28
- 238000005345 coagulation Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000007704 transition Effects 0.000 claims description 15
- 230000026683 transduction Effects 0.000 claims description 10
- 238000010361 transduction Methods 0.000 claims description 10
- 230000008602 contraction Effects 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 229920002313 fluoropolymer Polymers 0.000 claims description 5
- 239000002861 polymer material Substances 0.000 claims description 5
- 239000000084 colloidal system Substances 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 230000002792 vascular Effects 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000003902 lesion Effects 0.000 description 2
- 208000031737 Tissue Adhesions Diseases 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 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, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
-
- 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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320072—Working tips with special features, e.g. extending parts
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Dentistry (AREA)
- Surgical Instruments (AREA)
Abstract
The application provides a high-efficiency fine dissection ultrasonic knife, which comprises: the ultrasonic energy transmission unit, a threaded connection section extending backwards from the ultrasonic energy transmission unit and a seven-prism variable cross-section tool bit extending forwards; the rear end of the seven-prism-shaped variable cross section tool bit is smoothly connected with a variable cross section waveguide, and the variable cross section waveguide is smoothly connected with the threaded connecting section; the seven-prism variable cross-section tool bit comprises: an ultra-long cut coagulation strip extending from a front end of the variable cross-section waveguide, a V-shaped blade extending on an opposite side of the ultra-long cut coagulation strip; and the front end of the seven-prism variable-section cutter head is contracted inwards to form a fine dissection tip. The application reduces the processing difficulty of the closed large-diameter vascular ultrasonic tool bit by the vertical and parallel geometric characteristics of the seven-prism variable-section tool bit structure, is beneficial to mass production and reduces the production cost.
Description
Technical Field
The application relates to the field of medical instruments, in particular to a high-efficiency fine anatomical ultrasonic knife.
Background
The ultrasonic knife is used as a core part of an ultrasonic system, the working principle is that an electric signal of an ultrasonic transducer is converted into mechanical energy of vibration of the ultrasonic knife by utilizing ultrasonic resonance, the ultrasonic knife head acts on a lesion part of human soft tissue by high-frequency vibration, and the lesion part is resected while high-collagen-content tissue with high elasticity is kept intact.
Most of the existing medical ultrasonic knives, such as U.S. patent 2007016236A1, disclose an ultrasonic knife, and the short knife head cuts the coagulation belt to cause low tissue cutting efficiency and poor closure effect of large-diameter blood vessel coagulation. Patent CN107750141a discloses an ultrasonic blade with a blade head having a specific tissue treatment surface and a plurality of acoustic balancing features, which, although improving the effect of large diameter vessel coagulation closure, must be used together with a special ultrasonic surgical instrument at one time, increasing the use restrictions for the operator.
Moreover, the existing ultrasonic cutter head has complex shape and characteristics, is not beneficial to mass production, and is difficult for common patients to bear due to the excessive cost.
Disclosure of Invention
The application aims to overcome the defects that the ultrasonic tool bit in the prior art is complex in shape and characteristics and is not beneficial to mass production, and provides a high-efficiency fine anatomical ultrasonic tool.
The application provides a high-efficiency fine dissection ultrasonic knife, which comprises: an ultrasonic energy transmission unit, a threaded connection section extending backwards from the ultrasonic energy transmission unit, and a seven-prism-shaped variable cross-section tool bit extending forwards from the ultrasonic energy transmission unit;
the ultrasonic energy transmission unit comprises a variable-section waveguide and a vibration reduction assembly, wherein the vibration reduction assembly comprises elastic supporting points arranged at the node positions of the variable-section waveguide and vibration suppression sleeves arranged between the elastic supporting points and capable of sliding with the variable-section waveguide in a non-contact manner;
the rear end of the seven-prism-shaped variable cross section tool bit is connected with the variable cross section waveguide through smooth transition, and the variable cross section waveguide is connected with the threaded connecting section through smooth transition;
the threaded connecting section is provided with a cylinder with internal threads and a through round hole serving as a positioning reference, and is locked by applying bolt pretightening force through the through round hole so as to be connected with the ultrasonic transduction device;
the seven-prism variable cross-section tool bit comprises: an ultra-long cut coagulation strip extending from the front end of the variable cross-section waveguide; a V-shaped blade extending from the front end of the variable cross-section waveguide on an opposite side of the ultra-long cut coagulation strip; and a fine dissection tip formed by inward contraction and fillet transition from the front end of the seven-prism variable-section cutter head.
Optionally, the upper side of the seven-prism-shaped variable-section cutter head is a first cutting surface, and the opposite side of the first cutting surface is a second cutting surface;
the first cutting surface is parallel to the second cutting surface, and the ultra-long cutting coagulation belt is perpendicular to the first cutting surface and the second cutting surface.
Optionally, the ultra-long cutting coagulation belt is strip-shaped and is perpendicular to the through round hole serving as a positioning reference, and the upper side of the cutting coagulation belt is a first chamfer; the lower side is a second chamfer.
Optionally, the V-shaped blade is an edge of the variable cross-section cutter head of the seven-prism-shaped cutter head and is opposite to the first side surface of the variable cross-section cutter head of the seven-prism-shaped cutter head, the upper side of the V-shaped blade is a first blade front, the lower side of the V-shaped blade is a second blade front, and the first blade front and the second blade front intersect to form the V-shaped blade.
Optionally, the front and rear sections of the seven-prism-shaped variable-section tool bit are heptagons, the centers of the sections are connected to form smooth circular arcs, and the sides of the side quadrangles are straight lines or arcs.
Optionally, specifically, the fine dissection tip is a smooth round angle formed by inward contraction of the front end of the seven-prism variable-section cutter head.
Optionally, the seven-prism variable-section tool bit part is sprayed with a PFA pattern layer.
Optionally, the ultrasonic energy transmission unit is used for transmitting ultrasonic high-frequency longitudinal vibration energy, the variable-section waveguide can adjust the length according to different operation use requirements, and smooth transition is realized between different sections through fillets, so that ultrasonic energy is transmitted from the transduction device to the ultrasonic knife head through the threaded connection section;
the elastic supporting point and the vibration-inhibiting sleeve are used for absorbing ultrasonic transverse vibration energy and making up the defects caused by the processing technology.
Optionally, the elastic supporting point is a hollow columnar colloid structure with the length within 4mm, and the wall thickness of the hollow column is within 1.1mm and is firmly adhered with the variable-section waveguide.
Optionally, the energy-inhibiting sleeve is an open hollow columnar structure with the length of 80mm-140mm, the wall thickness is within 0.2mm, the material is FEP fluorinated polymer material with the friction coefficient within 0.04, and the FEP fluorinated polymer material slides between elastic fulcrums in a non-contact manner.
The application has the advantages and beneficial effects that:
the application provides a high-efficiency fine dissection ultrasonic knife, which comprises: an ultrasonic energy transmission unit, a threaded connection section extending backwards from the ultrasonic energy transmission unit, and a seven-prism-shaped variable cross-section tool bit extending forwards from the ultrasonic energy transmission unit; the ultrasonic energy transmission unit comprises a variable-section waveguide and a vibration reduction assembly, wherein the vibration reduction assembly comprises elastic supporting points arranged at the node positions of the variable-section waveguide and vibration suppression sleeves arranged between the elastic supporting points and capable of sliding with the variable-section waveguide in a non-contact manner; the rear end of the seven-prism-shaped variable cross section tool bit is connected with the variable cross section waveguide through smooth transition, and the variable cross section waveguide is connected with the threaded connecting section through smooth transition; the threaded connecting section is provided with a cylinder with internal threads and a through round hole serving as a positioning reference, and is locked by applying bolt pretightening force through the through round hole so as to be connected with the ultrasonic transduction device; the seven-prism variable cross-section tool bit comprises: an ultra-long cut coagulation strip extending from the front end of the variable cross-section waveguide; a V-shaped blade extending from the front end of the variable cross-section waveguide on an opposite side of the ultra-long cut coagulation strip; and a fine dissection tip formed by inward contraction and fillet transition from the front end of the seven-prism variable-section cutter head. According to the application, the seven-prism variable-section cutter head can realize fine dissection and stripping of tissues and high-efficiency cutting, improves the blood coagulation closing effect of large-diameter blood vessels, and simultaneously reduces the processing difficulty of the closed large-diameter blood vessel ultrasonic cutter head due to the vertical and parallel geometric characteristics of the cutter head structure, thereby being beneficial to mass production and reducing the production cost.
Drawings
FIG. 1 is a schematic view of the structure of a high-efficiency fine-dissection ultrasonic knife according to the present application.
Fig. 2 is a first schematic view of a high efficiency fine dissection ultrasonic blade tip in accordance with the present application.
FIG. 3 is a second schematic view of a high efficiency fine dissection ultrasonic blade tip in accordance with the present application.
Fig. 4 is a schematic view of a vibration suppressing sleeve according to the present application.
FIG. 5 is a schematic cross-sectional view of a high-efficiency fine-dissection ultrasonic knife blade of the application.
Detailed Description
The present application is further described in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art may better understand the present application and practice it.
The following is a detailed description of the embodiments of the present application, but the present application may be implemented in other ways than those described herein, and those skilled in the art can implement the present application by different technical means under the guidance of the inventive concept, so that the present application is not limited by the specific embodiments described below.
Referring to fig. 1 to 5, a high-efficiency fine-grained ultrasonic scalpel comprises an ultrasonic energy transmission unit 1, a seven-prism-shaped variable cross-section cutter head 2 extending forwards from the ultrasonic energy transmission unit 1, and a threaded connection section 3 extending backwards from the ultrasonic energy transmission unit 1.
The rear end of the seven-prism variable cross-section tool bit 2 is connected with a variable cross-section waveguide 11 through smooth transition, and the variable cross-section waveguide 11 is connected with the threaded connection section 3 through smooth transition.
The threaded connection section 3 includes a cylinder provided with an internal thread and a through circular hole 32 as a positioning reference. The threaded connection 3 comprises a cylinder provided with an internal thread and a through circular hole 32 as a positioning reference.
The threaded connection section 3 is provided with a counter bore 33 with the depth of 0.8mm-1.2mm, the internal thread length is 8mm-12mm, and the external diameter of the threaded connection section 3 is 4.4mm-4.7 mm.
The threaded connection section 3 realizes connection of the ultrasonic knife and the ultrasonic transduction device, and the ultrasonic knife is locked by applying a bolt pretightening force between 0.5 and 1.5N.M through the positioning reference hole, so that stable transmission of ultrasonic energy is ensured; the threaded connection section 3 is convenient to connect with other ultrasonic surgical instruments such as an ultrasonic transduction device and the like, and reduces the use limit of operators.
The ultrasonic energy transfer unit 1 comprises a variable cross-section waveguide 11 and a vibration damping assembly.
The ultrasonic energy transmission unit 1 is used for transmitting ultrasonic high-frequency longitudinal vibration energy, the variable cross section waveguide 11 can be adjusted in length according to different operation use requirements, smooth transition is achieved among different cross sections through round corners, and ultrasonic energy is transmitted from the transduction device to the ultrasonic knife head through the threaded connection section 3.
The vibration damping assembly comprises elastic supporting points 12 arranged at the node positions of the variable-section waveguide 11 and vibration damping sleeves 13 arranged between the elastic supporting points 12 and capable of sliding in a non-contact manner with the variable-section waveguide 11.
The elastic supporting point 12 is a hollow columnar colloid structure with the length within 4mm, and the wall thickness of the hollow column is within 1.1mm and is firmly adhered with the variable-section waveguide 11.
The length of the vibration suppressing sleeve 13 is between 40mm and 140mm, the elastic supporting point 12 and the vibration suppressing sleeve 13 are used for absorbing ultrasonic transverse vibration energy, so that defects caused by a processing technology are overcome, resonance abnormal sound of an ultrasonic knife is effectively reduced, and product stability is improved.
The vibration suppressing sleeve 13 is made of FEP fluorinated polymer material with a wall thickness of 0.2mm or less and a friction coefficient of 0.04 or less, and can slide between the elastic fulcrums 12 in a non-contact manner.
The seven-prism variable cross-section cutter head 2 comprises: an ultra-long cutting coagulation strip 21 extending from the front end of the variable-section waveguide 11, a V-shaped blade 22 extending from the front end of the variable-section waveguide 11 on the opposite side of the ultra-long cutting coagulation strip 21, and a fine dissection tip 23 formed by inward contraction and rounded transition from the front end of the heptagonal-shaped variable-section cutter head 2.
The front and rear sections of the seven-prism-shaped variable-section tool bit 2 are heptagons, the centers of the sections are connected to form smooth circular arcs, and the sides of the side quadrangles are straight lines or arcs.
The upper side of the seven-prism-shaped variable cross-section tool bit 2 is provided with a first cutting surface 24, and the opposite side of the first cutting surface 24 is provided with a second cutting surface 25. The first cutting surface 24 of the seven-prism-shaped variable-section cutter head 2 is parallel to the second cutting surface 25, and the ultra-long cutting coagulation belt 21 is perpendicular to the first cutting surface 25 and the second cutting surface 25 to form vertical and parallel geometric characteristics, so that the processing is facilitated, the processing difficulty of an ultrasonic cutter head is reduced, the mass production is facilitated, and the production cost is reduced.
The above-mentioned ultra-long cutting coagulation belt 21 is strip-shaped and is vertical to the through round hole 32 as a positioning reference, and the upper side of the cutting coagulation belt is provided with a first chamfer 28; on the underside is a second chamfer 29.
The ultra-long cutting coagulation belt 21 is positioned on the first side surface of the seven-prism variable-section cutter head 2, the width of the ultra-long cutting coagulation belt 21 is between 0.4mm and 1.2mm, the length is between 18mm and 20mm, high-efficiency cutting of tissues can be realized, and the coagulation closing effect of large-diameter blood vessels is improved.
The fine dissection tip 23 is a smooth round angle formed by inward contraction of the front end of the seven-prism variable cross section cutter head 2, and the surface area of the fine dissection tip 23 is 1-1.5mm 2 In between, fine anatomical dissection of tissue is achieved.
The V-shaped blade 22 is an edge of the seven-edge quasi-cylinder variable-section cutter head 2 of the cutter head and is opposite to the first side surface of the seven-edge quasi-cylinder variable-section cutter head 2, the upper side of the V-shaped blade 22 is provided with a first blade surface 26, the lower side of the V-shaped blade 22 is provided with a second blade surface 27, the first blade surface 26 and the second blade surface 27 are intersected to form the V-shaped blade 22, and the V-shaped blade 22 can realize cutting separation of fascia tissues.
As shown in fig. 5, in the cross-section ABCDEFG heptagon of the heptagon variable cross-section tool bit 2, AB is parallel to EF, and CD is perpendicular to AB and EF, wherein CD is located on the ultra-long cutting coagulation belt 21, and point g is located on the arc-shaped blade.
Preferably, the part of the seven-prism-shaped variable cross-section tool bit 2 can be sprayed with a PFA image layer, so that the tissue adhesion of the tool bit in the operation process is prevented, and the performance of the ultrasonic tool is prevented from being influenced.
The threaded connection section 3 of the application is convenient for connection with other ultrasonic surgical instruments such as an ultrasonic transduction device and the like, thereby reducing the use limit of operators; the seven-prism variable cross-section tool bit 2 can realize fine dissection and stripping of tissues and high-efficiency cutting, improves the coagulation closing effect of large-diameter blood vessels, reduces the processing difficulty of closed large-diameter blood vessel ultrasonic tool bits due to the vertical and parallel geometric characteristics of the tool bit structure, is beneficial to mass production and reduces the production cost; the vibration reduction assembly in the ultrasonic energy transmission unit 1 is used for absorbing ultrasonic transverse vibration energy, so that defects caused by a processing technology are overcome, resonance abnormal sound of an ultrasonic knife is effectively reduced, and product stability is improved.
The ultrasonic knife thread connecting section 3 provided by the application is convenient to connect with other ultrasonic surgical instruments such as an ultrasonic transduction device and the like, so that the use limit of operators is reduced; the seven-prism variable cross-section tool bit 2 can realize fine dissection and stripping of tissues and high-efficiency cutting, improves the coagulation closing effect of large-diameter blood vessels, reduces the processing difficulty of closed large-diameter blood vessel ultrasonic tool bits due to the vertical and parallel geometric characteristics of the tool bit structure, is beneficial to mass production and reduces the production cost; the vibration reduction assembly in the ultrasonic energy transmission unit 1 is used for absorbing ultrasonic transverse vibration energy, so that defects caused by a processing technology are overcome, resonance abnormal sound of an ultrasonic knife is effectively reduced, and product stability is improved.
Claims (10)
1. A high efficiency fine dissection ultrasonic blade, comprising: the ultrasonic energy transmission unit, a threaded connection section extending backwards from the ultrasonic energy transmission unit, and a heptagonal quasi-cylinder variable cross-section tool bit extending forwards from the ultrasonic energy transmission unit;
the ultrasonic energy transmission unit comprises a variable-section waveguide and a vibration reduction assembly, wherein the vibration reduction assembly comprises elastic supporting points arranged at the node positions of the variable-section waveguide and vibration suppression sleeves arranged between the elastic supporting points and capable of sliding with the variable-section waveguide in a non-contact manner;
the rear end of the seven-prism-shaped variable cross section tool bit is connected with the variable cross section waveguide through smooth transition, and the variable cross section waveguide is connected with the threaded connecting section through smooth transition;
the threaded connecting section is provided with a cylinder with internal threads and a through round hole serving as a positioning reference, and is locked by applying bolt pretightening force through the through round hole so as to be connected with the ultrasonic transduction device;
the seven-prism variable cross-section tool bit comprises: an ultra-long cut coagulation strip extending from the front end of the variable cross-section waveguide; a V-shaped blade extending from the front end of the variable cross-section waveguide on an opposite side of the ultra-long cut coagulation strip; and a fine dissection tip formed by inward contraction and fillet transition from the front end of the seven-prism variable-section cutter head.
2. The efficient fine anatomical ultrasonic knife of claim 1, wherein the upper side of the heptagonal variable cross-section knife head is a first cutting surface and the opposite side of the first cutting surface is a second cutting surface;
the first cutting surface is parallel to the second cutting surface, and the ultra-long cutting coagulation belt is perpendicular to the first cutting surface and the second cutting surface.
3. The high-efficiency fine dissection ultrasonic knife according to claim 2, wherein the ultra-long cutting coagulation belt is strip-shaped and is perpendicular to the through round hole serving as a positioning reference, and the upper side of the cutting coagulation belt is a first chamfer; the lower side is a second chamfer.
4. The high-efficiency fine-dissection ultrasonic blade of claim 1, wherein the V-shaped blade is an edge of a seven-edge quasi-cylindrical variable-section tool bit and is opposite to a first side surface of the seven-edge quasi-cylindrical variable-section tool bit, the upper side of the V-shaped blade is a first blade front, the lower side of the V-shaped blade is a second blade front, and the first blade front and the second blade front intersect to form the V-shaped blade.
5. The high-efficiency fine-dissection ultrasonic knife according to claim 1, wherein the front and rear sections of the seven-prism-shaped variable-section knife head are heptagons, the centers of the sections are connected to form smooth circular arcs, and each side of each side quadrilateral is a straight line or an arc.
6. The high efficiency fine dissection ultrasonic blade of claim 1, wherein the fine dissection tip is a smooth rounded corner formed by inward contraction of the seven-sided quasi-cylindrical variable cross-section blade tip.
7. The high efficiency, fine, anatomical ultrasonic blade of claim 1, wherein the heptagonal quasi-cylindrical variable cross-section blade portion is spray coated with a PFA layer.
8. The high-efficiency fine dissection ultrasonic knife according to claim 1, wherein the ultrasonic energy transmission unit is used for transmitting ultrasonic high-frequency longitudinal vibration energy, the variable-section waveguide can adjust the length according to different operation use requirements, and smooth transition between different sections is realized through fillets, so that ultrasonic energy is transmitted from the transduction device to the ultrasonic knife head through the threaded connection section;
the elastic supporting point and the vibration-inhibiting sleeve are used for absorbing ultrasonic transverse vibration energy and making up the defects caused by the processing technology.
9. The high-efficiency fine dissection ultrasonic knife according to claim 1, wherein the elastic fulcrum is a hollow columnar colloid structure with the length of less than 4mm, and the wall thickness of the hollow column is less than 1.1mm and is firmly adhered to the variable-section waveguide.
10. The high-efficiency fine dissection ultrasonic knife according to claim 1, wherein the energy-suppressing sleeve is an open hollow columnar structure with the length of 80-140 mm, the wall thickness is within 0.2mm, the material is FEP fluorinated polymer material with the friction coefficient within 0.04, and the FEP fluorinated polymer material slides between elastic fulcrums in a non-contact manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310616693.6A CN116898534A (en) | 2023-05-29 | 2023-05-29 | High-efficient meticulous dissection ultrasonic knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310616693.6A CN116898534A (en) | 2023-05-29 | 2023-05-29 | High-efficient meticulous dissection ultrasonic knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116898534A true CN116898534A (en) | 2023-10-20 |
Family
ID=88355259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310616693.6A Pending CN116898534A (en) | 2023-05-29 | 2023-05-29 | High-efficient meticulous dissection ultrasonic knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116898534A (en) |
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2023
- 2023-05-29 CN CN202310616693.6A patent/CN116898534A/en active Pending
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