Surgery – Instruments
Patent
1994-11-30
1996-05-28
Pellegrino, Stephen C.
Surgery
Instruments
606205, A61B 1900
Patent
active
055206786
ABSTRACT:
A surgical manipulator arm has a first and a second control ball rotatably mounted and disposed at a proximal end and a distal end of an outer-shaft tube, respectively. The control balls are coupled to each other through coupling elements such, for example, as control wires so that rotational movements of the first control ball can be transmitted correspondingly to the second control ball or vice versa. The manipulator arm has an actuator portion connected to the first control ball and a follower portion connected to the second control ball for selectively and detachably mounting a handling part and an effector part of an instrument. The first and second control balls are mounted in such a way so as to permit their respective actuator and follower portions to rotate and pivot about the longitudinal axis of the outer-shaft tube. The central bore defines a connective passage from the actuator portion, through the outer-shaft tube, and to the follower portion. The connective passage thus formed allows a user to insert a flexible surgical instrument therethrough.
REFERENCES:
patent: 1382783 (1921-06-01), Howard
patent: 2608192 (1952-08-01), Heitmeyer et al.
patent: 5025778 (1991-06-01), Silverstein et al.
patent: 5382252 (1995-01-01), Failla et al.
patent: 5405344 (1995-04-01), Williamson et al.
Hahnle Friederich
Heckele Helmut
Dawson Glenn
Pellegrino Stephen C.
Richard Wolf GmbH
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