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Patent

Self-contained gas powered surgical stapler

TLDR
In this paper, a surgical stapler powered by a relatively low pressure gas supply contained in the staplers is described, which has a mechanical linkage between the pneumatic actuator and the staple driver with a differential mechanical advantage to match the substantially constant force provided by the pNE to the different forces required to first advance and then form the staple.
Abstract
A surgical stapler powered by a relatively low pressure gas supply contained in the stapler. The stapler has a mechanical linkage between the pneumatic actuator and the staple driver with a differential mechanical advantage to match the substantially constant force provided by the pneumatic actuator to the different forces required to first advance and then form the staple. This mechanical linkage allows use of a relatively small low pressure actuator and also substantially increases the efficiency with which the gas supply is utilized.

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Citations
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Patent

Sterilizable surgical instrument

TL;DR: In this paper, a surgical instrument including a first portion and a second portion, wherein the second portion can be sterilized separately from the first portion, is presented. But the second part can be stored within a sealed bag and can include an electrical terminal which can penetrate the bag and communicate with the first part.
Patent

Tool assembly for surgical stapling device

TL;DR: In this paper, a surgical stapling device including an independently rotatable tool assembly is disclosed, which includes an anvil and a cartridge assembly which are movable in relation to each other between spaced and approximated positions, and a dynamic clamping member is provided to define a maximum tissue gap between the cartridge assembly and anvil during firing.
Patent

Surgical instrument with laterally moved shaft actuator coupled to pivoting articulation joint

TL;DR: In this article, a laterally sliding member in a proximal portion of a shaft that pivots the end effector to a selected side is used to provide guidance for endoscopic use.
Patent

Surgical fastener and cutter with mimicking end effector

TL;DR: In this paper, a cable actuator is provided and is movable between a first position, in which it is effective to rotate an end effector without actuating (i.e., closing, firing, and/or cutting).
Patent

Surgical instrument with articulating shaft with double pivot closure and single pivot frame ground

TL;DR: In this paper, a surgical stapling and severing instrument particularly suited to endoscopic use includes a proximal portion that is manipulated external to a patient to position an attached elongate shaft and end effector to a desired surgical site inside of the patient.
References
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Patent

Cartridge and powering instrument for stapling skin and fascia

D Green
TL;DR: In this paper, a disposable staple cartridge is used to insert a plurality of staples on a flexible belt and adapted to inject and form the staples, singly, into the disunited skin or fascia of a patient.
Patent

Surgical stapler for skin and fascia

TL;DR: In this article, a gas-powered instrument for applying surgical staples to effect the joining of disunited skin or fascia is presented, which is powered by a gas under pressure originating from a gas filled tank.
Patent

Surgical stapling instrument

TL;DR: A pusher bar and knife assembly including a pair of pusher bars and a central knife carrier moves longitudinally relative to the jaws to eject staples sequentially from the magazine and form laterally spaced staple rows in tissue gripped between the jaws while the knife cuts the tissue along a line between the staple rows.
Patent

Three-stage surgical instrument

TL;DR: In this article, a shifter dog mechanism is used to ensure the completion of a ligating, suturing and dividing cycle to avoid jamming the staple-carrying cartridge.
Patent

Surgical instrument for intraluminal anastomosis

TL;DR: An instrument for use by surgeons particularly in cases involving resection and anastomosis of vascular and digestive tract organs is described in this paper.The instrument is dimensioned for insertion of the principal parts of the instrument into the open ends of or through stab wounds in the lumena after resection by stapling the tissue entirely around the stoma which is formed by an endless knife, illustrated as annular.