Elongated-member-driving apparatus – Surgical stapler
Reexamination Certificate
2005-09-30
2008-08-05
Smith, Scott A. (Department: 3721)
Elongated-member-driving apparatus
Surgical stapler
C227S019000, C227S176100, C606S139000, C606S219000
Reexamination Certificate
active
07407074
ABSTRACT:
Methods and devices are provided for effecting movement of one or more components of a multifire device, such as a clip applier, hernia tacker, or skin stapler. In one exemplary embodiment, a surgical fastening instrument is provided having an elongate shaft with an end effector coupled thereto and adapted to apply one or more surgical fasteners to tissue. An electrically expandable and contractible actuator, such as an electroactive polymer actuator, can be used to drive a fastener advancing or forming assembly through the elongate shaft, thereby driving a surgical fastener into tissue. In another embodiment, an electrically expandable and contractible actuator, such as an electroactive polymer actuator, can be used to effect movement of an articulation joint formed between the elongate shaft and the end effector.
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Hueil Joseph
Ortiz Mark
Shelton, IV Frederick
Swayze Jeffrey
Ethicon Endo-Surgery Inc.
Nutter & McClennen & Fish LLP
Smith Scott A.
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