U.S. Patent 7665646 was awarded to Tyco Healthcare Group LP on 2010-02-23 and describes a “Interlocking buttress material retention system.” This patent has been cited 598 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 stapler is provided having a pair of jaws including a staple containing cartridge and an anvil. Buttress material is releasable affixed to the staple containing cartridge and the anvil. One of the jaws includes a pair of longitudinal projections at a first end of the jaw and configured to frictionally engage corresponding slots in a first end the buttress material. One of the jaws includes a post at a second end of the jaw. The buttress material includes a hole in a second end of the buttress material for receipt of the post. Link: U.S. Patent 7665646

This patent was originally filed on 2007-06-18 which gives it a processing time of 981 days, compared to an average processing time of 1226 in the field. Tyco Healthcare Group LP has 1168 total patents. The first named inventor is Megan L. Prommersberger of Wallingford, CT. The primary examiner was Scott A. Smith.

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