A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/28 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01)
Patent
CA 2376745
Endoscopic surgical operation such as evisceration has been so far hardly achieved by a medical robot, since it requires high power. The present invention provides a downsized high-flexibility active forceps to enable such an operation, without needing a large space for manipulation to target a limited operative area. An active forceps of the present invention comprises: a tip forceps part 4 having, a tip supporting member 2 to support a forceps tip 1 at a center section 2 a with a plurality of arms 2b laterally projected therefrom, and a plurality of tip side advancing and retreating members 3 connected at a front end with the plurality of arms respectively oscillatable while connected to one another relatively movable in directions toward front and rear ends; and a forceps bottom part 9 having, a plurality of bottom side advancing and retreating members 6 each integrally coupled to the plurality of tip side advancing and retreating members 3, while connected to one another relatively movable indirections toward front and rear ends to constitute a link mechanism together with the tip side advancing and retreating members 3 and the tip supporting member 2, and a bottom frame 8 provided with forward and backward actuating means 7 for moving relatively to one another the bottom side advancing and retreating members 6 in directions toward front and rear ends.
Nakamura Yoshihiko
Okada Masafumi
Watabe Koichi
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
The University Of Tokyo
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