U.S. Patent 8091756 was awarded to Tyco Healthcare Group LP on 2012-01-10 and describes a “Varying tissue compression using take-up component.” This patent has been cited 356 times by other U.S. patents which places it in the top 500 cited patents since 2010 according to our law firm research, and makes it of the most innovative medical technology patents in the field of instruments. The abstract states:

The present disclosure relates to surgical fastener applying apparatus, and the application of variable compression to tissue. More specifically, the presently disclosed surgical fastener applying apparatus act to limit the flow of blood through tissue immediately adjacent a cut-line formed therein to effectuate hemostasis, while maximizing the flow of blood through tissue more removed from the cut-line to limit unnecessary necrosis. In one embodiment, a surgical fastener applying apparatus is disclosed having a tool assembly coupled to a distal end thereof with first and second jaws respectively including an anvil and a surgical fastener cartridge. The surgical fastener cartridge includes, among other things, a hemostasis member that is configured to apply at least two different compressive forces to tissue clamped between the first and second jaws of the tool assembly. Link: U.S. Patent 8091756

This patent was originally filed on 2009-04-03 which gives it a processing time of 1012 days, compared to an average processing time of 1080 in the field. Tyco Healthcare Group LP has 1168 total patents. The first named inventor is Frank J. Viola of Sandy, UT. The primary examiner was Lindsay Low.

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