U.S. Patent 8100310 was awarded to Tyco Healthcare Group LP on 2012-01-24 and describes a “Variable compression surgical fastener apparatus.” This patent has been cited 324 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:

A surgical fastener applying apparatus comprising a fastener supporting portion and a retainer supporting portion. The fastener supporting portion includes a first row of first surgical fasteners and a second row of second surgical fasteners. The retainer supporting portion includes a first row of first retainers and a second row of second retainers, the first fasteners engagable with the first retainers and the second fasteners engagable with the second retainers. The fasteners and retainers are configured so when engaged a first distance between at least one of the first fastener backspans and respective first retainer backspan is different than a second distance between at least one of the second fastener backspans and respective second retainer backspan. Link: U.S. Patent 8100310

This patent was originally filed on 2009-04-03 which gives it a processing time of 1026 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 Michael A. Zemlok of Prospect, PA. The primary examiner was Rinaldi Rada.

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