Arm device for adjustable positioning of a medical instrument or the like
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 5, 1989
Grant Date -
N/A
app pub date -
May 26, 1987
filing date -
May 26, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An instrument-supporting, articulated device has a distal end capable of supporting an instrument in the region of a surgical operating site. The device has at least one joint that supports a movable distal support element relative to a proximal support, the joint being associated with a mode selector. The joint has structure capable, upon selection of a first mode of operation by the selector, of enabling relatively free motion of the joint for achieving a desired position of the instrument and the joint has structure capable, upon selection of a second mode of operation by the selector, to set the position of the instrument in space with lightly loaded restraint. The lightly loaded restraint is of a value that, while the second mode continues to be selected, the user may adjust the position of the instrument by application of a light force to the instrument and upon release of such light force by the user, the instrument will remain in the newly adjusted position.
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