Patents Represented by Attorney Stephen Y. Perkins,Smith&Cohen, LLP Chow

Find this attorney in the Justia Lawyer Directory

  • Rotatable linkage for micro-instrument
    Patent number: 6015426
    Abstract: A rotatable linkage for use in handling small objects at a distance, for example, in endoscopic surgery, by converting the longitudinal motion of a drive member to the opening and closing of jaws at the distal end of the drive member wherein the drive member is enclosed in an elongated housing on which the jaws are mounted which may be rotated relative to the drive member on a bearing by rotation of the housing.
    Type: Grant
    Filed: February 27, 1997
    Date of Patent: January 18, 2000
    Assignee: TNCO, Inc.
    Inventor: Jerry Richard Griffiths
  • Retrograde surgical instrument
    Patent number: 5755723
    Abstract: A handle-activated retrograde endoscopic instrument with an extension shaft rotatably connected to a fixed handle, the rotation limited by a spring-loaded lock into shaft detents corresponding to rotational position options, and with an extension of an outer tip and reduction of open range of effector movement to shield any pinch area.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: May 26, 1998
    Assignee: TNCO, Inc.
    Inventor: Giuseppe Lombardo
  • Rotary drive mechanism for instrument handle
    Patent number: 5728108
    Abstract: A handle and drive mechanism for providing a reciprocating rotary action of a driveshaft, first in one rotational direction and then reversing the rotational direction, suitable for suturing and other endoscopic operations.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: March 17, 1998
    Assignee: TNCO, Inc.
    Inventors: Jerry R. Griffiths, John Young, Jr.
  • Micro-instrument
    Patent number: RE36666
    Abstract: A microsurgical instrument with opposing jaws rotatable relative to one another using a pivot integral to a frame comprising one jaw for rotating the other jaw and a linkage to push one jaw rotatably towards the other jaw wherein a distal-most surface of that jaw pushes against a surface of jaw to be moved.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: April 18, 2000
    Assignee: TNCO, Inc.
    Inventors: George P. Honkanen, deceased, by Roger M. Burke, legal representative, Roger M. Burke, Paul C. Weaver