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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

Surgical stapling loading unit with stroke counter and lockout

TL;DR: In this article, the rotatable counter is adapted for rotational movement through an arc segment of rotation upon movement of the drive through each firing stroke, and visual indicators for providing visual indicia corresponding to a number of firing strokes completed by the drive.
Patent

Surgical staples and end effectors for deploying the same

TL;DR: In this article, an end effector includes an anvil and a cartridge assembly having a plurality of surgical staples disposed in a cavity defined therein, and the cartridge assembly may include a movable driver or sled configured to deploy the surgical staple from the cavity into tissue.
Patent

Fuel cell adapter system for combustion tools

TL;DR: In this article, a fuel cell adapter system for a combustion tool is presented, which includes a housing enclosing a fuel metering valve and a latch body having at least one locking tang movable between a closed position and an open position, and a release member for moving the locking tang to release said engagement with the adapter and permitting withdrawal of said fuel cell from said tool.
Patent

Surgical stapling systems that produce formed staples having different lengths

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

Method For Delivering a Plurality of Fasteners

TL;DR: In this paper, a delivery device for delivering a plurality of individual surgical fasteners is described, which includes a drive mechanism having distal and proximal ends, where the moving member is moveable proximally and distally with respect to the delivery device.
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.