SURGICAL INSTRUMENT AND MEDICAL MANIPULATOR
First Claim
1. A surgical instrument for performing treatment to a treatment target portion, the surgical instrument comprising:
- a cylindrical elongated member having a long axis;
a treatment part connected to the elongated member; and
a connection part that detachably connects the elongated member to the treatment part, whereinthe connection part comprises;
a first turning axis part provided to the elongated member;
a second turning axis part provided to the treatment part;
a first rolling guide part that is provided to the elongated member and includes a circular-arc-shaped part coaxial with the first turning axis part;
a second rolling guide part that is provided to the treatment part and includes a rolling guide part having a circular-arc-shaped part coaxial with the second turning axis part, the rolling guide part rollingly contacting the first rolling guide part;
an engaging part that brings the treatment part and the elongated member into an engaging state, andthe connection part is detachable between the first turning axis part and the second turning axis part.
2 Assignments
0 Petitions
Accused Products
Abstract
A surgical instrument for performing treatment to a treatment target portion includes a cylindrical elongated member; a treatment part, and a connection part. The connection part includes a first turning axis part provided to the elongated member, a second turning axis part provided to the treatment part, a first rolling guide part that is provided to the elongated member and includes a circular-arc-shaped part coaxial with the first turning axis part, a second rolling guide part that is provided to the treatment part and includes a rolling guide part including a circular-arc-shaped part coaxial with the second turning axis part, the rolling guide part rollingly contacting the first rolling guide part, and an engaging part that brings the treatment part and the elongated member into an engaging state. The connection part is detachable between the first turning axis part and the second turning axis part.
37 Citations
12 Claims
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1. A surgical instrument for performing treatment to a treatment target portion, the surgical instrument comprising:
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a cylindrical elongated member having a long axis; a treatment part connected to the elongated member; and a connection part that detachably connects the elongated member to the treatment part, wherein the connection part comprises; a first turning axis part provided to the elongated member; a second turning axis part provided to the treatment part; a first rolling guide part that is provided to the elongated member and includes a circular-arc-shaped part coaxial with the first turning axis part; a second rolling guide part that is provided to the treatment part and includes a rolling guide part having a circular-arc-shaped part coaxial with the second turning axis part, the rolling guide part rollingly contacting the first rolling guide part; an engaging part that brings the treatment part and the elongated member into an engaging state, and the connection part is detachable between the first turning axis part and the second turning axis part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification