Disposable surgical stapling instrument

Details Disposable surgical stapling instrument Disposable surgical stapling instrument

A - Human Necessities

61

B

128/122

A61B 17/04 (2006.01) A61B 17/068 (2006.01)

Patent

CA 1122491

ABSTRACT OF THE DISCLOSURE A disposable surgical stapling instrument for forming and implanting surgical staples in the skin or fascia of a patient to close a wound or incision. The instrument comprises an elongated body having a forward portion and a rearward portion serving as a handle portion. The forward portion of instrument body houses a staple driver attached to a staple driver actuator and a return spring for the staple driver actuator. A surgical staple magazine assembly is affixed to the lower edges of the instrument body forward portion. An anvil plate, supporting a row of surgical staples, is located within the magazine assembly. The anvil plate terminates at its forward end in a coextensive anvil surface. The magazine assembly contains a feeder assembly to constantly urge the row of staples toward the anvil surface to locate the forwardmost staple of the row thereon to be implanted and formed thereabout by the driver and to disengage a formed staple therefrom. The magazine assembly also provides a channel for the lower end of the staple driver and a staple retaining surface to minimize bending of the staple crown during the staple forming operation. The staple driver is shiftable between a retracted position and a staple forming position by means of a trigger pivotally mounted to the instrument body forward portion and operatively connected to the staple driver actuator.

320850

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