APPARATUS FOR ENDOSCOPIC PROCEDURES
2 Assignments
0 Petitions
Accused Products
Abstract
An end effector includes a first jaw member, a second jaw member, a drive beam, and a drive screw. The second jaw member is pivotally movable relative to the first jaw member between an open position and a closed position. The drive beam is positioned to engage the second jaw member and is longitudinally movable through the first and second jaw members. The drive screw is supported within the first jaw member and includes a threaded portion coupled to the drive beam such that rotation of the drive screw imparts longitudinal movement of the drive beam along the second jaw member to move the first and second jaw members from the open position to the closed position.
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Citations
21 Claims
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1. (canceled)
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2. An end effector, comprising:
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a first jaw member; a second jaw member pivotably coupled to the first jaw member and movable relative to the first jaw member between an open position and a closed position; a drive beam positioned to engage the first jaw member and the second jaw member, the drive beam longitudinally movable through the first and second jaw members; and a drive screw supported within the first jaw member and including a threaded portion coupled to the drive beam such that rotation of the drive screw imparts longitudinal movement of the drive beam along the second jaw member to move the first and second jaw members from the open position to the closed position. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A surgical instrument, comprising:
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an elongated body including a drive shaft; and a jaw assembly coupled to the elongated body, the jaw assembly including; a cartridge jaw; an anvil jaw pivotably coupled to the cartridge jaw and movable relative to the cartridge jaw between an open position and a closed position; a drive beam positioned to engage the anvil jaw and the cartridge jaw, the drive beam longitudinally movable through the cartridge jaw and the anvil jaw; and a drive screw supported within the cartridge jaw and including; a proximal engagement portion coupled to the drive shaft of the elongated body; and a threaded portion coupled to the drive beam such that rotation of the drive shaft rotates the drive screw, longitudinally moving the drive beam along the cartridge jaw to move the cartridge jaw and the anvil jaw from the open position to the closed position. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification