scispace - formally typeset
Patent

Electroactive polymer-based articulation mechanism for grasper

TLDR
In this paper, a grasping device is provided having a shaft with an end effector having opposed jaws coupled to the shaft, and an electrically expandable and contractible actuator such as an electroactive polymer actuator can be used to actuate the end-effector to open and close the opposed jaws to grasp tissue or other objects.
Abstract
Methods and devices are provided for actuating and/or articulating a grasping device. In one exemplary embodiment, a grasping device is provided having a shaft with an end effector having opposed jaws coupled to the shaft. An electrically expandable and contractible actuator, such as an electroactive polymer actuator, can be used to actuate the end effector to open and close the opposed jaws to grasp tissue or other objects. In another embodiment, an electroactive polymer actuator can be used to pivotally or angularly adjust a position of the end effector relative to the shaft by delivering energy to the electroactive polymer actuator.

read more

Citations
More filters
Patent

Surgical Stapling Apparatus

TL;DR: In this article, a surgical stapling device particularly suited for endoscopic procedures is described, which includes a handle assembly and an elongated body extending distally from the handle assembly.
Patent

Surgical stapling instrument

TL;DR: In this paper, a surgical stapling instrument (1) comprises a body portion (2, 3), a handle (4), and a staple fastening assembly (8), which includes a curved cartridge (10), which comprises at least one curved open row of staples, and a curved anvil (22), which is adapted to cooperate with the cartridge for forming the ends of the staples exiting from the cartridge.
Patent

Display screen or portion thereof with graphical user interface

TL;DR: Newness and distinctiveness is claimed in the features of ornamentation as shown inside the broken line circle in the accompanying representation as discussed by the authors, which is the basis for the representation presented in this paper.
Patent

Surgical stapling instrument with an articulatable end effector

TL;DR: In this paper, a surgical instrument can comprise a channel configured to support a staple cartridge and, in addition, an anvil pivotable between open and closed positions relative to the channel.
Patent

Articulating surgical stapling instrument incorporating a two-piece e-beam firing mechanism

TL;DR: In this article, an E-beam firing bar is used to drive staples on each side of the cut in a surgical severing and stapling instrument, which is suitable for laparoscopic and endoscopic clinical procedures, clamps tissue within an end effector of an elongate channel pivotally opposed by an anvil.
References
More filters
Patent

Surgical Stapling Apparatus

TL;DR: In this article, a surgical stapling device particularly suited for endoscopic procedures is described, which includes a handle assembly and an elongated body extending distally from the handle assembly.
Patent

Surgical device for stapling and fastening body tissues

TL;DR: In this article, a surgical device for stapling and fastening body tissues, consisting of an insertion section extending from an operation section for insertion into a body cavity, and a stitching member connected to a distal end of the insertion section, for treating body tissues with a high-frequency current within the body cavity.
Patent

Electrosurgical hemostatic device

TL;DR: An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures as discussed by the authors.
Patent

Self-contained powered surgical apparatus

TL;DR: In this article, a self-contained powered surgical stapling apparatus is provided which includes an elongate body, a fastener applying assembly including an anvil for forming a surgical fastener driven thereagainst, a motor assembly and power source for energizing the motor assembly disposed within the elongated body, and a pusher driven by the motor assembler for driving a surgeon fastener toward the anvil to be formed thereby and fastened to body tissue.
Patent

Surgical stapler instrument

TL;DR: In this paper, a surgical stapler instrument is provided for applying lateral lines of staples to tissue while cutting the tissue between those staple lines, which includes a handle portion, an implement portion, a reciprocating section, a drive member and a movable actuator.