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Surgical treatment apparatus

A processing device and surgical technology, which can be used in medical science, surgery, etc., and can solve problems such as the specific structure of the undisclosed pushing force.

Active Publication Date: 2011-02-16
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in European Patent No. 893971 specification, any specific structure for adjusting the pushing force is not disclosed.

Method used

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  • Surgical treatment apparatus
  • Surgical treatment apparatus

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Embodiment Construction

[0031] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0032] Figure 1 ~ Figure 5B One embodiment of the present invention is shown.

[0033] The surgical treatment tool as the surgical treatment device according to the present embodiment is a high-frequency treatment tool for combined ultrasonic output for laparotomy.

[0034] refer to Figure 1 ~ Figure 2 A schematic structure of a surgical instrument will be described.

[0035] The surgical instrument has a handpiece 21 as a first unit which is operated by the operator. The head 21 extends along the axis direction. A cable 23 extends from the proximal end of the handpiece 21, and the cable 23 is connected to the device main body.

[0036]A vibrator 24 is housed in the head 21 , and the vibrator 24 extends along the axis of the head 21 . A piezoelectric element portion 26 for generating ultrasonic vibrations is arranged at the proximal end of the vibrator 24 , an...

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Abstract

A surgical treatment apparatus is characterized by including a first unit (21) including a first vibration transmission member (31) and a first holding member (39), a second unit (22) including a secoA surgical treatment apparatus is characterized by including a first unit (21) including a first vibration transmission member (31) and a first holding member (39), a second unit (22) including a seco of the second vibration transmission member (61) against each other, and adjust a relative arrangement of the first holding member (39) and the second holding member (54) with respect to the coaxialof the second vibration transmission member (61) against each other, and adjust a relative arrangement of the first holding member (39) and the second holding member (54) with respect to the coaxialdirection to be constant to adjust a deformation amount of the elastic member (67) to be constant.direction to be constant to adjust a deformation amount of the elastic member (67) to be constant.nd vibration transmission member (61), a second holding member (54), and an elastic member (67) provided between the second vibration transmission member (61) and the second holding member (54), confind vibration transmission member (61), a second holding member (54), and an elastic member (67) provided between the second vibration transmission member (61) and the second holding member (54), configured to be deformed in accordance with a relative arrangement of the second vibration transmission member (61) and the second holding member (54) with respect to the axial direction to give the secongured to be deformed in accordance with a relative arrangement of the second vibration transmission member (61) and the second holding member (54) with respect to the axial direction to give the second vibration transmission member (61) an elastic force in the axial direction, and an adjustment coupling mechanism (69, 74) to couple the first unit (21) and the second unit (22) with each other, arrad vibration transmission member (61) an elastic force in the axial direction, and an adjustment coupling mechanism (69, 74) to couple the first unit (21) and the second unit (22) with each other, arrange the first vibration transmission member (31) and the second vibration transmission member (61) coaxially to abut the end portion of the first vibration transmission member (31) and the end portionnge the first vibration transmission member (31) and the second vibration transmission member (61) coaxially to abut the end portion of the first vibration transmission member (31) and the end portion

Description

technical field [0001] The invention relates to a surgical treatment device for treating biological tissues. Background technique [0002] European Patent No. 893971 discloses an ultrasonic treatment device as a surgical treatment device. In the ultrasonic treatment device, surgical instruments can be freely attached to and detached from the handpiece assembly. A horn that amplifies and transmits ultrasonic vibrations is inserted into the nose assembly. A transmission rod for transmitting ultrasonic waves is inserted into the cylindrical casing of the surgical instrument. The inner diameter of the front end of the casing is relatively thin, and a stepped surface is formed. A flange is formed on the transmission rod, and an elastic member is interposed between the stepped surface and the flange. By connecting the front end of the nose assembly to the base end of the surgical instrument, the front end of the horn assembly of the nose assembly and the base end of the transmi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/22A61B17/32
CPCA61B2017/00477A61B2017/0046A61B17/320092A61B17/320068A61B2017/320082A61B2017/320069A61B2017/320094A61B2017/320089A61B2017/320071
Inventor 佐内秀男木村健一山田将志
Owner OLYMPUS CORP
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