Surgical stapling apparatus with reusable components
First Claim
1. A surgical stapling apparatus, comprising:
- a handle portion;
an elongated body portion extending distally from the handle portion, an engagement member rotatably supported on a distal portion of the elongated body portion, and a biasing member disposed about the elongated body portion, the engagement member defining an engagement slot and being axially movable about the elongated body portion from a retracted position to an advanced position, the biasing member configured to bias the engagement member towards the retracted position;
a firing assembly including a firing trigger, a firing link, and a pusher link extending through the elongated body portion, the pusher link being movably supported for distal translation through the elongated body portion in response to actuation of the firing trigger; and
a stapling assembly configured to house a plurality of surgical staples and including an outer shell having an engagement tab, the engagement member being rotatable relative to the elongated body portion and the stapling assembly to releasably position the engagement tab within the engagement slot to releasably secure the stapling assembly at the distal end of the elongated body portion such that, in response to distal advancement of the pusher link, the plurality of surgical staples are ejected from the stapling assembly.
4 Assignments
0 Petitions
Accused Products
Abstract
A surgical stapling apparatus includes a handle, an elongated body, a firing assembly, and a stapling assembly. The body extends from the handle and includes an engagement member rotatably supported on to a distal portion of the body. The engagement member defines an engagement slot and is axially movable about the body from a retracted position to an advanced position. The firing assembly includes a trigger, firing link, and pusher link. The pusher link is movably supported for distal translation through the body in response to actuation of the trigger. The stapling assembly houses a plurality of surgical staples and includes an outer shell having an engagement tab. The engagement member is rotatable relative to the body and the stapling assembly to releasably position the engagement tab within the engagement slot, thereby securing the stapling assembly at the distal end of the body.
525 Citations
20 Claims
-
1. A surgical stapling apparatus, comprising:
-
a handle portion; an elongated body portion extending distally from the handle portion, an engagement member rotatably supported on a distal portion of the elongated body portion, and a biasing member disposed about the elongated body portion, the engagement member defining an engagement slot and being axially movable about the elongated body portion from a retracted position to an advanced position, the biasing member configured to bias the engagement member towards the retracted position; a firing assembly including a firing trigger, a firing link, and a pusher link extending through the elongated body portion, the pusher link being movably supported for distal translation through the elongated body portion in response to actuation of the firing trigger; and a stapling assembly configured to house a plurality of surgical staples and including an outer shell having an engagement tab, the engagement member being rotatable relative to the elongated body portion and the stapling assembly to releasably position the engagement tab within the engagement slot to releasably secure the stapling assembly at the distal end of the elongated body portion such that, in response to distal advancement of the pusher link, the plurality of surgical staples are ejected from the stapling assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A surgical stapling apparatus, comprising:
-
a handle portion; an elongated body portion extending distally from the handle portion and an engagement member rotatably supported on to a distal portion of the elongated body portion, the engagement member defining an engagement slot having an engagement notch, the engagement member being axially movable about the elongated body portion from a retracted position to an advanced position; a firing assembly including a firing trigger, a firing link, and a pusher link extending through the elongated body portion, the pusher link being movably supported for distal translation through the elongated body portion in response to actuation of the firing trigger; and a stapling assembly configured to house a plurality of surgical staples and including an outer shell having an engagement tab including an engagement nub, and the engagement slot further including an engagement notch, the engagement member being rotatable relative to the elongated body portion and the stapling assembly to releasably position the engagement nub of the engagement tab within the engagement notch of the engagement slot to releasably secure the stapling assembly at the distal end of the elongated body portion such that, in response to distal advancement of the pusher link, the plurality of surgical staples are ejected from the stapling assembly. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
-
Specification