×

Positive feed system for a surgical ligating instrument

  • US 4,572,183 A
  • Filed: 11/26/1984
  • Issued: 02/25/1986
  • Est. Priority Date: 11/26/1984
  • Status: Expired due to Term
First Claim
Patent Images

1. A ligating instrument for applying clamping clips to blood vessels, said instrument comprising a first handle terminating at its forward end in a first jaw, a second handle and a second jaw both coupled to said first handle, said first and second handles being manually shiftable between open and closed positions, said first jaw being shiftable by said first handle and second jaw being shiftable by said second handle between open and closed clip-clamping positions, an elongated magazine, a row of clips located within said magazine, clip feed means mounted within a clip feed track, said clip feed track being parallel to and adjacent to said magazine and extending to the forward ends of said first and second jaws, said clip feed means being shiftable by said first and second handles between a retracted position removed from said jaws when said handles are in their closed positions and an extended clip-locating position between said jaws when said handles are in their open positions, passage means connecting said magazine and said clip feed track, and means for transferring each clip from the forward end of said magazine to said clip feed track via said passage means, said transfer means comprising a plunger normally located in an unactuated position adjacent said magazine, said plunger being shiftable by one of said jaws from said unactuated position to an actuated position within said magazine to shift said forwardmost clip through said passage means into said clip feed track upon closing of said handles whereby said forwardmost clip can be delivered to said forward ends of said first and second jaws by said clip feed means when said handles return to said open position.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×