CN107126246B - Ultrasonic surgical instrument - Google Patents
Ultrasonic surgical instrument Download PDFInfo
- Publication number
- CN107126246B CN107126246B CN201611176210.1A CN201611176210A CN107126246B CN 107126246 B CN107126246 B CN 107126246B CN 201611176210 A CN201611176210 A CN 201611176210A CN 107126246 B CN107126246 B CN 107126246B
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- China
- Prior art keywords
- assembly
- surgical instrument
- ultrasonic surgical
- ultrasonic
- control
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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
- A61B17/320068—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
- A61B2017/00017—Electrical control of surgical instruments
Abstract
In surgery, it is often necessary for the ultrasound host to output different power depending on the operational requirements of the tissue, for example, lower power may be output if hemostasis of the tissue is required and higher power may be output if cutting of the tissue is required. The invention provides an ultrasonic surgical instrument, which can provide a control signal for an ultrasonic host, so as to automatically judge and output corresponding output power according to keys, and comprises the following components: a hand-held assembly; an end effector coupled to the hand-held assembly by an elongate body, adapted to grip tissue; the hand-held assembly comprises at least two control buttons; and, a circuit control assembly is provided within the hand-held assembly, comprising: the connecting component is suitable for being connected with the ultrasonic transducer; the control circuit assembly is connected with the connecting assembly, and comprises at least four control switches and at least one electronic element capable of conducting unidirectionally, wherein when the first control switch and the fourth control switch are closed, the control circuit assembly conducts positively; when the second control switch and the third control switch are closed, the control circuit component is reversely conducted.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ultrasonic surgical instrument with a circuit control assembly.
Background
Ultrasonic surgical systems, because of their excellent hemostatic effect, have low tissue damage, and the like, are now widely used in open surgery and endoscopic surgery. The current ultrasonic surgical system comprises a host machine, an ultrasonic transducer, an ultrasonic surgical instrument, a foot switch and other accessories, and the working principle is that the host machine outputs electric energy under the resonant frequency of a vibration system to the ultrasonic transducer, the ultrasonic transducer converts the electric energy into mechanical energy and outputs the mechanical energy to the ultrasonic surgical instrument, and the ultrasonic surgical instrument amplifies the vibration to perform mechanical vibration further, so that water in tissue cells is vaporized, protein hydrogen bonds are broken, cells are disintegrated, and the tissue is cut or coagulated, thereby achieving the purposes of cutting the tissue and stopping bleeding.
Ultrasonic surgical instruments in the prior art are mainly classified into gun-type ultrasonic surgical instruments and scissor-type ultrasonic surgical instruments. As shown in fig. 1, in the ultrasonic surgical system 1, an ultrasonic surgical instrument 10, an ultrasonic transducer 20, and an ultrasonic main body 30 are included, wherein a distal end of the ultrasonic transducer 20 is mounted on the ultrasonic surgical instrument 10, and a proximal end of the ultrasonic transducer 20 is connected to an output end of the ultrasonic main body 30 through a cable 31. In particular, ultrasonic surgical instrument 10 includes a hand-held assembly, an elongate body, and an end effector, wherein the hand-held assembly includes a trigger that a user controls the opening and closing of a clamp of the end effector at the distal end of the ultrasonic surgical instrument by grasping the hand-held assembly with a finger and actuating the trigger to effect the clamping, grasping, separating, securing of tissue or blood vessels such that a blade of the end effector is capable of cutting or closing the clamped tissue or blood vessels. In addition, in order to realize output control of the ultrasonic mainframe 30, the ultrasonic surgical system 1 in the prior art further comprises a foot control assembly 40, or a manual control assembly is arranged on a hand-held assembly of the ultrasonic surgical instrument 10, when a foot pedal of the foot control assembly 40 is pressed or a control button of the manual control assembly is pressed, the ultrasonic mainframe 30 outputs electric energy to the ultrasonic transducer 20, the electric energy is converted into ultrasonic mechanical vibration by the transducer 20, and the ultrasonic mechanical vibration is transmitted to an end effector through an elongated body, so that cutting or hemostasis of tissues is realized.
Disclosure of Invention
In surgery, it is often desirable for the ultrasound host 30 to output different power depending on the operational needs of the tissue, for example, lower power may be output if hemostasis of the tissue is required and higher power may be output if cutting of the tissue is required. The invention provides an ultrasonic surgical instrument which can provide a control signal for an ultrasonic host 30 so as to automatically judge and output corresponding output power according to keys.
The present invention provides an ultrasonic surgical instrument comprising:
the handheld component is suitable for being held by a user;
an end effector coupled to the hand-held assembly by an elongate body, adapted to grip tissue; wherein the hand-held assembly comprises at least two buttons; the method comprises the steps of,
a control assembly is disposed within the hand-held assembly, comprising:
the connecting component is suitable for being connected with the ultrasonic transducer;
the control circuit assembly is connected with the connecting assembly, and comprises at least four control switches and at least one electronic element for realizing unidirectional conduction, wherein when the first control switch and the fourth control switch are closed, the control circuit assembly is positively conducted; when the second control switch and the third control switch are closed, the control circuit component is reversely conducted.
Preferably, the electronic component is a diode.
Preferably, the first button of the hand-held assembly is adapted to control the opening and closing of the first control switch and the fourth control switch; the second button of the handheld assembly is suitable for controlling the opening and closing of the second control switch and the third control switch.
Preferably, the connection assembly of the circuit control assembly comprises a connection assembly body, and a first connection ring and a second connection ring which are installed on the connection assembly body, wherein the first connection ring and the second connection ring are respectively connected with the ultrasonic transducer.
Preferably, the first and second connection rings are C-shaped rings.
Preferably, the ultrasonic surgical instrument is a gun-type ultrasonic surgical instrument.
Preferably, the ultrasonic surgical instrument has a longitudinal axis about which the end effector and the elongate body are rotatable relative to the handpiece assembly.
Preferably, the slender body comprises a guided wave rod, an inner sleeve and an outer sleeve which are sleeved together in sequence; the proximal end of the guided wave rod is connected with the ultrasonic transducer and is suitable for transmitting ultrasonic mechanical vibration output by the ultrasonic transducer to the end effector.
Preferably, the end effector comprises a jaw assembly coupled to the elongate body for opening and closing the jaw assembly by depressing a trigger assembly of the hand-held assembly; and
and the tool bit part is arranged at the distal end of the guided wave rod and is suitable for transmitting ultrasonic mechanical vibration to tissues.
Preferably, the ultrasonic surgical instrument is a scissor-type surgical instrument.
Preferably, the elongate body comprises a guided wave rod, a sleeve and a drive rod; the wave guide rod is sleeved in the sleeve, the proximal end of the wave guide rod is connected with the ultrasonic transducer, and the wave guide rod is suitable for transmitting ultrasonic mechanical vibration output by the ultrasonic transducer to the end effector.
Preferably, the proximal end of the drive rod is connected to a trigger assembly of the hand-held assembly, the distal end of the drive rod is connected to a jaw assembly of the end effector, and the drive rod is reciprocally moved by depressing the trigger assembly of the hand-held assembly to effect opening and closing of the jaw assembly.
Preferably, the end effector further comprises a blade portion disposed at a distal end of the waveguide adapted to transmit ultrasonic mechanical vibrations to tissue.
Drawings
FIG. 1 is a schematic diagram of a prior art ultrasonic surgical system;
FIG. 2 is a schematic view of a gun-type ultrasonic surgical instrument according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a gun-type ultrasonic surgical instrument provided by an embodiment of the present invention;
FIG. 4 is a circuit diagram of a circuit control assembly of an ultrasonic surgical instrument provided by an embodiment of the present invention;
FIGS. 5a-c are schematic diagrams of circuit control assemblies for ultrasonic surgical instruments provided in accordance with embodiments of the present invention;
FIG. 6 is a schematic diagram illustrating an assembly of a circuit control assembly and a button according to another embodiment of the present invention;
fig. 7 is a schematic view of a shear ultrasonic surgical instrument according to another embodiment of the present invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the drawings, wherein the term "distal" is used herein to refer to the portion or component of the instrument that is farther from the user (physician), and the term "proximal" is used to refer to the portion or component that is closer to the user (physician). It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
An embodiment of the present invention provides a gun-type ultrasonic surgical instrument 50, as shown in FIG. 2, comprising an end effector 100, an elongate body 200, and a handpiece assembly 300, wherein a distal end 201 of the elongate body 200 is coupled to the end effector 100 and a proximal end 202 of the elongate body 200 is coupled to the handpiece assembly 300. The hand-held assembly 300 includes a hand-held assembly body 301 and a stationary handle 302, and a trigger assembly 303 pivotally mounted within the hand-held assembly body 301. Further, as shown in fig. 3, the elongate body includes a waveguide 210, an inner sleeve 220, and an outer sleeve 230 that are sequentially sleeved together; wherein the proximal end of the waveguide 210 is connected to the ultrasonic transducer 20, for example by a threaded connection, adapted to transmit the ultrasonic mechanical vibrations outputted by said ultrasonic transducer 20 to the end effector 100 for achieving cutting and/or hemostasis of tissue. With continued reference to fig. 3, the end effector 100 includes a jaw assembly 110 and a tool tip portion 120, wherein the tool tip portion 120 is disposed at a distal end of the guided wave bar 210, and wherein a proximal end of the jaw assembly 110 is coupled to a distal end of the elongate body 200, and wherein opening and closing of the jaw assembly 110 is accomplished by depressing a trigger assembly 303 of the hand-held assembly 300, thereby effecting clamping of tissue.
Further, the hand-held assembly 300 further comprises a first button 311 and a second button 312 disposed above the trigger 303, adapted to control the host computer to output electrical energy to the ultrasonic transducer. Fig. 3 is a cross-sectional view of the ultrasonic surgical instrument 50, as shown, with the trigger 303 of the ultrasonic surgical instrument 50 pivotally mounted within the hand-held assembly body 301 by a pin 304. In addition, a control assembly 310 is further disposed in the hand-held assembly body 301, specifically, the control assembly 310 includes a connection assembly 320 adapted to be connected with the ultrasonic transducer 20, and a control circuit assembly 330, and the circuit control assembly 330 is connected with the connection assembly 320, wherein the control circuit assembly 330 includes at least four control switches and at least one electronic element capable of achieving unidirectional conduction. Preferably, the electronic component is a diode D1. Alternatively, the electronic component may be another electronic component capable of realizing a unidirectional conduction function, such as a triode component, an optical coupling component, or an optical isolation component.
In the present embodiment, the control circuit assembly 330 includes four control switches, i.e., a first control switch K1, a second control switch K2, a third control switch K3, and a fourth control switch K4, and one diode D1. A circuit diagram of the control circuit assembly 330 of the present embodiment is shown in fig. 4. Specifically, the control circuit assembly 330 is configured to: when the first control switch K1 and the fourth control switch K4 are closed, the control circuit assembly 330 is turned on in the forward direction; when the second control switch K2 and the third control switch K3 are closed, the control circuit assembly 330 is turned on reversely.
The assembly of the control assembly 310 with the first button 311 and the second button 312 is shown in fig. 5a, 5b and 5c, preferably the first button 311 is abutted against the first control switch K1 and the fourth control switch K4, and the second button 312 is abutted against the second control switch K2 and the third control switch K3. When the first button 311 is pressed, the first control switch K1 and the fourth control switch K4 are simultaneously closed, so that the control circuit assembly 330 is turned on in the forward direction; when the second button 312 is pressed, the second control switch K2 and the third control switch K3 are simultaneously closed, so that the control circuit assembly 330 is reversely turned on. Further, the control assembly 310 further includes a connection assembly 320, as shown in fig. 6, the connection assembly 320 includes a connection assembly body 321, and a first connection ring 322 and a second connection ring 323 mounted on the connection member body 321, the first connection ring 322 and the second connection ring 323 being connected with the ultrasonic transducer 20, respectively. The first connecting ring 322 and the second connecting ring 323 are both C-shaped conductive rings.
Preferably, in the present embodiment, the first button 311 and the second button 312 are set to correspond to two-gear output power of the ultrasound host 30, respectively, for example, the first button 311 may be set to correspond to a higher output power with which tissue may be cut; the second button 312 may be configured to correspond to a lower output power with which tissue may be hemostatic; and vice versa. By means of the control component 310 according to the embodiment of the present invention, the ultrasound host 30 can automatically recognize whether the first button 311 or the second button 312 is pressed, so that a higher or lower energy is output accordingly, so as to implement different actions on the tissue.
Preferably, as shown in fig. 6, the first connecting ring 322 and the second connecting ring 323 are respectively provided with a clamping pin for clamping and fixing with the connecting piece body 321.
Preferably, the ultrasonic surgical instrument 50 of the present embodiment has a longitudinal axis about which the end effector 100 and elongate body 200 are rotatable relative to the handpiece assembly 300.
Embodiments of the present invention also provide a shear ultrasonic surgical instrument 60, as shown in fig. 7, comprising an end effector 400, an elongate body 500, and a handpiece assembly 600, wherein a distal end 501 of the elongate body 500 is coupled to the end effector 400 and a proximal end 502 of the elongate body 500 is coupled to the handpiece assembly 600. Similar to the gun-type ultrasonic surgical instrument 50, the hand-held assembly 600 of the shear-type ultrasonic surgical instrument 60 includes a hand-held assembly body 601 and a stationary handle 602, and a trigger assembly 603 pivotally coupled to the hand-held assembly body 601. Further, as shown in fig. 7, the elongate body 500 includes a guided wave rod (not shown), a drive rod 520, and a cannula 530, wherein a proximal end of the guided wave rod is coupled to the ultrasonic transducer 20, e.g., by a threaded connection, to transmit ultrasonic mechanical vibrations output by the ultrasonic transducer 20 to the tool bit portion 420 of the end effector 400 to effect cutting and/or hemostasis of tissue. The end effector 400 includes a jaw assembly 410 and a tool bit portion 420, wherein the tool bit portion 420 is disposed at a distal end of a waveguide of the elongate body 500, and the distal end of the jaw assembly 410 is coupled to a drive rod 520 and a sleeve 530, respectively. Because the trigger component 603 of the hand-held component 600 is pivotally connected with the hand-held component body 601, the trigger component 603 is operated to drive the driving rod 520 to reciprocate, so that the jaw component 410 can be opened and closed, and the tissue can be clamped.
Further, as shown in fig. 7, the hand-held assembly 600 further includes a first button 611 and a second button 612 to control the host computer to output electrical energy to the ultrasound transducer. Also provided within the hand-held assembly body 601 is a control assembly similar to the control assembly 310 provided within the gun-type ultrasonic surgical instrument 50, specifically, the control assembly includes a connection assembly adapted to be connected with the ultrasonic transducer 20, and a control circuit assembly connected with the connection assembly, wherein the circuit structure of the control circuit assembly is the same as the control circuit assembly 330 of the gun-type ultrasonic surgical instrument 50 and will not be repeated herein.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (13)
1. An ultrasonic surgical instrument comprising:
the handheld component is suitable for being held by a user;
an end effector coupled to the hand-held assembly by an elongate body, adapted to grip tissue; wherein the hand-held assembly comprises at least two buttons; the method comprises the steps of,
a control assembly is disposed within the hand-held assembly, comprising:
the connecting component is suitable for being connected with the ultrasonic transducer;
the control circuit assembly is connected with the connecting assembly, and comprises at least four control switches and at least one electronic element capable of conducting unidirectionally, wherein when the first control switch and the fourth control switch are closed, the control circuit assembly conducts positively; when the second control switch and the third control switch are closed, the control circuit component is reversely conducted.
2. The ultrasonic surgical instrument of claim 1, wherein the electronic component is a diode.
3. The ultrasonic surgical instrument of claim 1, wherein the first button of the hand-held assembly is adapted to control the opening and closing of the first and fourth control switches; the second button of the handheld assembly is suitable for controlling the opening and closing of the second control switch and the third control switch.
4. The ultrasonic surgical instrument of claim 1, wherein the connection assembly connected to the control circuit assembly comprises a connection assembly body, and first and second connection rings mounted on the connection assembly body, the first and second connection rings being respectively connected to the ultrasonic transducer.
5. The ultrasonic surgical instrument of claim 4, wherein the first and second connection rings are C-shaped rings.
6. The ultrasonic surgical instrument of any one of claims 1-5, wherein the ultrasonic surgical instrument is a gun-type ultrasonic surgical instrument.
7. The ultrasonic surgical instrument of claim 6, wherein the ultrasonic surgical instrument has a longitudinal axis about which the end effector and the elongate body are rotatable relative to the handpiece assembly.
8. The ultrasonic surgical instrument of claim 7, wherein the elongate body comprises a waveguide rod, an inner cannula, and an outer cannula that are sequentially sleeved together; the proximal end of the guided wave rod is connected with the ultrasonic transducer and is suitable for transmitting ultrasonic mechanical vibration output by the ultrasonic transducer to the end effector.
9. The ultrasonic surgical instrument of claim 8, wherein the end effector comprises a jaw assembly coupled to the elongate body for opening and closing the jaw assembly by depressing a trigger assembly of the hand-held assembly; and a tool bit portion disposed at a distal end of the waveguide, adapted to transmit ultrasonic mechanical vibrations to tissue.
10. The ultrasonic surgical instrument of any one of claims 1-5, wherein the ultrasonic surgical instrument is a scissor-type surgical instrument.
11. The ultrasonic surgical instrument of claim 10, wherein the elongate body comprises a guided wave rod, a cannula, and a drive rod; the wave guide rod is sleeved in the sleeve, the proximal end of the wave guide rod is connected with the ultrasonic transducer, and the wave guide rod is suitable for transmitting ultrasonic mechanical vibration output by the ultrasonic transducer to the end effector.
12. The ultrasonic surgical instrument of claim 11, wherein the proximal end of the drive rod is coupled to a trigger assembly of the handpiece assembly and the distal end of the drive rod is coupled to a jaw assembly of the end effector, the drive rod being reciprocally moved by operation of the trigger assembly of the handpiece assembly to effect opening and closing of the jaw assembly.
13. The ultrasonic surgical instrument of claim 12, wherein the end effector further comprises a blade portion disposed at a distal end of the waveguide adapted to transmit ultrasonic mechanical vibrations to tissue.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123685 | 2016-02-27 | ||
| CN2016101236858 | 2016-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107126246A CN107126246A (en) | 2017-09-05 |
| CN107126246B true CN107126246B (en) | 2023-09-19 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403574.4U Withdrawn - After Issue CN206641887U (en) | 2016-02-27 | 2016-12-13 | A kind of ultrasonic surgical instruments |
| CN201611176210.1A Active CN107126246B (en) | 2016-02-27 | 2016-12-13 | Ultrasonic surgical instrument |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403574.4U Withdrawn - After Issue CN206641887U (en) | 2016-02-27 | 2016-12-13 | A kind of ultrasonic surgical instruments |
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| CN (2) | CN206641887U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206641887U (en) * | 2016-02-27 | 2017-11-17 | 天津瑞奇外科器械股份有限公司 | A kind of ultrasonic surgical instruments |
| CN108969059B (en) * | 2018-09-25 | 2024-02-09 | 嘉善飞阔医疗科技有限公司 | Ultrasonic scalpel system with rapid energy adjustment |
| CN111297442A (en) * | 2020-04-02 | 2020-06-19 | 珠海市司迈科技有限公司 | Operation execution instrument |
| CN113229891B (en) * | 2021-05-21 | 2024-03-12 | 以诺康医疗科技（苏州）有限公司 | Multifunctional surgical instrument |
| CN116549094A (en) * | 2022-01-29 | 2023-08-08 | 天津瑞奇外科器械股份有限公司 | Surgical instrument integrating electrosurgical monopolar and ultrasonic functions and surgical system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1826084A (en) * | 2003-06-17 | 2006-08-30 | 伊西康内外科公司 | Hand activated ultrasonic instrument |
| CN101600393A (en) * | 2007-01-16 | 2009-12-09 | 伊西康内外科公司 | Be used for cutting and agglomerative Vltrasonic device |
| CN206641887U (en) * | 2016-02-27 | 2017-11-17 | 天津瑞奇外科器械股份有限公司 | A kind of ultrasonic surgical instruments |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080015473A1 (en) * | 2004-09-27 | 2008-01-17 | Koh Shimizu | Ultrasonic Surgery System |
| US10201365B2 (en) * | 2012-10-22 | 2019-02-12 | Ethicon Llc | Surgeon feedback sensing and display methods |
-
2016
- 2016-12-13 CN CN201621403574.4U patent/CN206641887U/en not_active Withdrawn - After Issue
- 2016-12-13 CN CN201611176210.1A patent/CN107126246B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1826084A (en) * | 2003-06-17 | 2006-08-30 | 伊西康内外科公司 | Hand activated ultrasonic instrument |
| CN101600393A (en) * | 2007-01-16 | 2009-12-09 | 伊西康内外科公司 | Be used for cutting and agglomerative Vltrasonic device |
| CN206641887U (en) * | 2016-02-27 | 2017-11-17 | 天津瑞奇外科器械股份有限公司 | A kind of ultrasonic surgical instruments |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107126246A (en) | 2017-09-05 |
| CN206641887U (en) | 2017-11-17 |
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Address after: 300462 No. 120 Xinxing Road, West District, Tianjin Development Zone Applicant after: REACH SURGICAL Inc. Address before: 300457 4, B block 5, Fourth Avenue, Tianjin economic and Technological Development Zone. Applicant before: REACH SURGICAL Inc. |
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