Mechanically pivoting cartridge channel for surgical instrument
First Claim
1. A surgical instrument, comprising:
- a frame;
an elongate portion extending distally from the frame and defining a longitudinal axis;
a drive beam disposed at least partially within the elongate portion and being proximally and distally translatable with respect to the elongate portion;
an end effector disposed adjacent a distal end of the elongate portion, the end effector including a first jaw member and a second jaw member, the first jaw member including a cartridge assembly and the second jaw member including an anvil assembly, the cartridge assembly being movable with respect to the anvil assembly between an open position and an approximated position, the first jaw member including a proximal camming surface and a distal camming surface thereon, the proximal camming surface being longitudinally adjacent the distal camming surface, and wherein the end effector is movable between a first position where the end effector is substantially aligned with the longitudinal axis to at least a second position where the end effector is disposed at an angle relative to the longitudinal axis; and
an actuation portion of the drive beam having an upper member arranged to contact the distal camming surface causing approximation of the jaw members and wherein proximal translation of the drive beam causes the actuation portion of the drive beam to cam the proximal camming surface which causes opening of the jaw members.
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0 Petitions
Accused Products
Abstract
A surgical instrument including a frame, an elongate portion, a drive beam and an end effector is disclosed. The elongate portion extends distally from the frame. The drive beam is disposed at least partially within the elongate portion and is translatable with respect to the elongate portion. The end effector is disposed adjacent a distal end of the elongate portion and includes first and second jaw members. The first jaw member is movable with respect to the second jaw member. The first jaw member includes a proximal camming surface and a distal camming surface thereon. A surgical fastener cartridge is disposed in the first jaw member. an actuation portion of the drive beam has an upper member arranged to contact the distal camming surface causing approximation of the jaw members. Proximal translation of the drive beam causes the actuation portion of the drive beam to contact the proximal camming surface effecting opening of the jaw members.
2160 Citations
8 Claims
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1. A surgical instrument, comprising:
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a frame; an elongate portion extending distally from the frame and defining a longitudinal axis; a drive beam disposed at least partially within the elongate portion and being proximally and distally translatable with respect to the elongate portion; an end effector disposed adjacent a distal end of the elongate portion, the end effector including a first jaw member and a second jaw member, the first jaw member including a cartridge assembly and the second jaw member including an anvil assembly, the cartridge assembly being movable with respect to the anvil assembly between an open position and an approximated position, the first jaw member including a proximal camming surface and a distal camming surface thereon, the proximal camming surface being longitudinally adjacent the distal camming surface, and wherein the end effector is movable between a first position where the end effector is substantially aligned with the longitudinal axis to at least a second position where the end effector is disposed at an angle relative to the longitudinal axis; and an actuation portion of the drive beam having an upper member arranged to contact the distal camming surface causing approximation of the jaw members and wherein proximal translation of the drive beam causes the actuation portion of the drive beam to cam the proximal camming surface which causes opening of the jaw members. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification