Surgical stapling apparatus
First Claim
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1. A surgical stapling apparatus comprising:
- a handle assembly including a handle member which is movable through an actuation stroke;
an elongated body extending distally from the handle assembly, the elongated body having a distal end adapted to releasably engage a tool assembly;
a control rod extending through the elongated body, the control rod having a proximal end operatively connected to the handle member, the control rod being movable in response to movement of the handle member through the actuation stroke; and
a control rod locking mechanism supported on the elongated body, the control rod locking mechanism including an engagement member positioned to operatively engage a tool assembly during attachment of the tool assembly onto the distal end of the elongated body portion to prevent distal movement of the control rod until the tool assembly is lockingly engaged to the elongated body.
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Abstract
A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
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Citations
8 Claims
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1. A surgical stapling apparatus comprising:
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a handle assembly including a handle member which is movable through an actuation stroke;
an elongated body extending distally from the handle assembly, the elongated body having a distal end adapted to releasably engage a tool assembly;
a control rod extending through the elongated body, the control rod having a proximal end operatively connected to the handle member, the control rod being movable in response to movement of the handle member through the actuation stroke; and
a control rod locking mechanism supported on the elongated body, the control rod locking mechanism including an engagement member positioned to operatively engage a tool assembly during attachment of the tool assembly onto the distal end of the elongated body portion to prevent distal movement of the control rod until the tool assembly is lockingly engaged to the elongated body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification