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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

Smart cartridge wake up operation and data retention

TL;DR: In this paper, the main power supply circuit is configured to isolate itself from the secondary circuit when the supplementary power supply can detect a short circuit condition at the primary circuit and rejoin the main circuit and supply power to the secondary when the short-circuit condition is remedied.
Patent

Fastener cartridge assembly comprising a fixed anvil and different staple heights

TL;DR: In this paper, a surgical stapling device that comprises an end effector consisting of a circular anvil having a staple forming surface and a plurality of staples facing the anvil is described.
Patent

Apparatus and method for minimally invasive suturing

TL;DR: In this article, an apparatus and method for minimally invasive suturing is described, which includes proximal section having a proximal end, a distal end, and a longitudinal axis there between.
Patent

Surgical stapling cartridge with layer retention features

TL;DR: A fastener cartridge assembly includes a plurality of fasteners (1002) and a layer (1000) configured to be captured by the fasteners as mentioned in this paper, which can include traction features extending therefrom.
Patent

End effector for use with a surgical fastening instrument

TL;DR: In this article, a surgical staple including a crown and a deformable member extending from the crown is described, the deformable part having a notch configured to bend at the notch when the staple is deformed from a first shape into a second shape.
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.