SURGICAL OPERATION APPARATUS

• US 20090254080A1
• Filed: 04/07/2008
• Published: 10/08/2009
• Est. Priority Date: 04/07/2008
• Status: Abandoned Application

• Current Assignee: Olympus Medical Systems Corporation (Olympus Corporation)
• Original Assignee: Olympus Medical Systems Corporation (Olympus Corporation)
• Inventors: HONDA, Satoshi
• Application Number:
  US12/098,830
• Publication Number:
  US 20090254080A1
• Time in Patent Office: Days
• US Class Current: 606/38
• CPC Class Codes: A61B 18/1402 Probes for open surgery
• CPC Class Codes: A61B 2017/320095 with sealing or cauterizing means
• CPC Class Codes: A61B 2018/00702 Power or energy
• CPC Class Codes: A61B 2018/00875 Resistance or impedance

Abstract

A surgical operation apparatus includes a handpiece to be held by an operator, and an apparatus main body to be connected with the handpiece, wherein the handpiece includes a high-frequency treatment unit to treat a living tissue by a high-frequency current, an ultrasonic treatment unit to treat a living tissue by an ultrasonic vibration, and a sensor unit to perform detection for calculation of an impedance of a living tissue, and the apparatus main body includes a high-frequency output module to activate the high-frequency treatment unit, an ultrasonic output module to activate the ultrasonic treatment unit, a sensor module to calculate the impedance of the living tissue based on a detection result obtained from the sensor unit, and a control module to automatically control at least the ultrasonic output module of the high-frequency output module and the ultrasonic output module in accordance with the impedance calculated by the sensor module so as to automatically adjust an output of at least the ultrasonic treatment unit of the high-frequency treatment unit and the ultrasonic treatment unit.

Claims

1. A surgical operation apparatus comprising:

a handpiece to be held by an operator; and

an apparatus main body to be connected with the handpiece,

wherein the handpiece includes;

a high-frequency treatment unit to treat a living tissue by a high-frequency current;

an ultrasonic treatment unit to treat a living tissue by an ultrasonic vibration; and

a sensor unit to perform detection for calculation of an impedance of a living tissue, and

the apparatus main body includes;

a high-frequency output module to activate the high-frequency treatment unit;

an ultrasonic output module to activate the ultrasonic treatment unit;

a sensor module to calculate the impedance of the living tissue based on a detection result obtained from the sensor unit; and

a control module to automatically control at least the ultrasonic output module of the high-frequency output module and the ultrasonic output module in accordance with the impedance calculated by the sensor module so as to automatically adjust an output of at least the ultrasonic treatment unit of the high-frequency treatment unit and the ultrasonic treatment unit.

2. The surgical operation apparatus according to claim 1, wherein the control module automatically adjusts an output of the ultrasonic treatment unit, regarding a coagulation completion value indicating that coagulation of the living tissue is completed, such that an output of the ultrasonic treatment unit before the impedance calculated by the sensor module reaches the coagulation completion value becomes smaller than an output of the ultrasonic treatment unit after the impedance calculated by the sensor module reaches the coagulation completion value.

3. The surgical operation apparatus according to claim 2, wherein the control module stops an output of the ultrasonic treatment unit until the impedance calculated by the sensor module reaches the coagulation completion value.

4. The surgical operation apparatus according to claim 2, wherein the control module maximizes an output of the ultrasonic treatment unit after the impedance calculated by the sensor module reaches the coagulation completion value.

5. The surgical operation apparatus according to claim 1, wherein the control module automatically adjusts an output of the high-frequency treatment unit, regarding a coagulation completion value indicating that coagulation of the living tissue is completed, such that an output of the high-frequency treatment unit after the impedance calculated by the sensor module reaches the coagulation completion value becomes smaller than an output of the high-frequency treatment unit before the impedance calculated by the sensor module reaches the coagulation completion value.

6. The surgical operation apparatus according to claim 5, wherein the control module sets an output of the high-frequency treatment unit to a micro output or less after the impedance calculated by the sensor module reaches the coagulation completion value.

7. The surgical operation apparatus according to claim 1, wherein the control module automatically adjusts an output of the ultrasonic treatment unit, regarding an elasticity disappearance start value indicating that elasticity of the living tissue starts to disappear, such that an output of the ultrasonic treatment unit before the impedance calculated by the sensor module reaches the elasticity disappearance start value becomes smaller than an output of the ultrasonic treatment unit after the impedance calculated by the sensor module reaches the elasticity disappearance start value.

8. The surgical operation apparatus according to claim 7, wherein the control module sets an output of the ultrasonic treatment unit to a micro output or less until the impedance calculated by the sensor module reaches the elasticity disappearance start value.

9. The surgical operation apparatus according to claim 1, wherein the control module activate the ultrasonic treatment unit with an output after the impedance calculated by the sensor module reaches a contraction start value indicating that the living tissue starts contraction.

10. The surgical operation apparatus according to claim 9, wherein the control module activates the ultrasonic treatment unit with a micro output after the impedance calculated by the sensor module reaches the contract start value.

11. The surgical operation apparatus according to claim 1, wherein the control module stops output of the high-frequency treatment unit and the ultrasonic treatment unit after the impedance calculated by the sensor module reaches an incision completion value indicating that incision of the living tissue is completed.