Surgical fastener applying apparatus
First Claim
Patent Images
1. A firing assembly comprising:
- a stationary housing including a U-shaped frame having a bottom wall and a pair of sidewalls, the stationary housing having a proximal portion and a distal portion and being configured to be received within a channel member of a cartridge receiving half-section of a surgical stapler, the channel member including a distal portion configured to receive a single use loading unit;
a slide block supported in the proximal portion of the stationary housing;
a guide block supported in the distal portion of the stationary housing, the guide block defining a plurality of slots;
a knife actuating bar having a proximal portion secured to the slide block and a distal portion positioned within one of the plurality of slots;
a cam bar having a proximal portion secured to the slide block and a distal portion extending through one of the plurality of slots; and
a pivotal locking member pivotally secured within the proximal portion of the stationary housing, the pivotal locking member including a latch portion and being pivotal from an unlatched position to a latched position to engage and retain a clamp lever of the surgical stapler in a clamped position.
2 Assignments
0 Petitions
Accused Products
Abstract
A surgical fastener applying apparatus for applying fasteners to body tissue. The apparatus includes an anvil half-section having a distal anvil portion and a proximal handle portion and a cartridge receiving half-section having an elongated channel member. A firing assembly is releasably supported in the cartridge half-section and includes a locking member. A clamping lever having an engagement member engages a latch portion of the locking member to releasably retain the clamping lever in a clamped position.
-
Citations
14 Claims
-
1. A firing assembly comprising:
-
a stationary housing including a U-shaped frame having a bottom wall and a pair of sidewalls, the stationary housing having a proximal portion and a distal portion and being configured to be received within a channel member of a cartridge receiving half-section of a surgical stapler, the channel member including a distal portion configured to receive a single use loading unit; a slide block supported in the proximal portion of the stationary housing; a guide block supported in the distal portion of the stationary housing, the guide block defining a plurality of slots; a knife actuating bar having a proximal portion secured to the slide block and a distal portion positioned within one of the plurality of slots; a cam bar having a proximal portion secured to the slide block and a distal portion extending through one of the plurality of slots; and a pivotal locking member pivotally secured within the proximal portion of the stationary housing, the pivotal locking member including a latch portion and being pivotal from an unlatched position to a latched position to engage and retain a clamp lever of the surgical stapler in a clamped position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
Specification