Surgical instrument
First Claim
1. A surgical instrument comprising a tip end joint part having an openable and closeable gripper, an operating part including a hand grip to be grasped by a palm and a plurality of operating dials, and an arm part that accommodates a wire for cooperation of actions of the operating part and the tip end joint part, and wherein a first operating dial is arranged above the hand grip and on an upper inclined surface of the operating part and second and third operating dials are arranged above the hand grip and on a front surface of the operating part, and wherein the first operating dial is operated by a thumb and the second operating dial is operated by a forefinger whereby the tip end joint part is operated vertically and operated laterally to perform a swinging action, and the third operating dial is operated by a forefinger whereby the tip end gripper is operated to open and close.
1 Assignment
0 Petitions
Accused Products
Abstract
A surgical instrument comprising a tip end joint part having an openable and closeable gripper, an operating part including a hand grip and a plurality of operating dials, and an arm part that accommodates a wire for cooperation of actions of the operating part and the tip end joint part. A first operating dial is arranged above the hand grip and on an upper inclined surface of the operating part, second and third operating dials are arranged above the hand grip and on a front surface of the operating part, the first operating dial is operated by a thumb and the second operating dial is operated by a forefinger whereby the tip end joint part is operated vertically and operated laterally to perform a swinging action, and the third operating dial is operated by a forefinger whereby the tip end gripper is operated to open and close.
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Citations
15 Claims
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1. A surgical instrument comprising a tip end joint part having an openable and closeable gripper, an operating part including a hand grip to be grasped by a palm and a plurality of operating dials, and an arm part that accommodates a wire for cooperation of actions of the operating part and the tip end joint part, and
wherein a first operating dial is arranged above the hand grip and on an upper inclined surface of the operating part and second and third operating dials are arranged above the hand grip and on a front surface of the operating part, and wherein the first operating dial is operated by a thumb and the second operating dial is operated by a forefinger whereby the tip end joint part is operated vertically and operated laterally to perform a swinging action, and the third operating dial is operated by a forefinger whereby the tip end gripper is operated to open and close.
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8. A surgical instrument comprising a tip end joint part having an openable and closeable gripper, an operating part including a hand grip to be grasped by a palm and a plurality of operating dials, and an arm part that accommodates a wire for cooperation of actions of the operating part and the tip end joint part, and
wherein the operating part is shaped to be substantially elliptical in cross section, first and second operating dials are arranged on an inclined surface formed on an upper portion of the hand grip on this side of the operating part, and a third operating dial is arranged on the upper portion of the hand grip on an opposite side to this side, and wherein the first and second operating dials are operated by a thumb to move the tip end joint part vertically and laterally to have the tip end joint part swing, and the third operating dial is operated by a forefinger whereby the tip end gripper is operated to open and close.
Specification