×

Medical instrument

  • US 20050107824A1
  • Filed: 11/17/2004
  • Published: 05/19/2005
  • Est. Priority Date: 08/30/2000
  • Status: Active Grant
First Claim
Patent Images

1. A hydraulically actuated medical instrument, comprising:

  • an elongated shaft including a proximal end and a distal end;

    an end effector at the distal end of the elongated shaft; and

    a handle portion at the proximal end of the elongated shaft;

    a fluid flow path extending between the handle portion and the end effector through the elongated shaft;

    the end effector including an extensible balloon communicating with the fluid flow path and operable upon pressurization through the fluid flow path to cause an effector action; and

    a biasing member being associated with the fluid flow path to move the balloon to a retracted position upon a reduction in pressurization in the fluid flow path.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×