Top Medical Technology Patent – Annular adhesive structure – US7823592

U.S. Patent 7823592 was awarded to Tyco Healthcare Group LP on 2010-11-02 and describes a “Annular adhesive structure.” This patent has been cited 432 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:

An apparatus for forming an anastomosis between adjacent intestinal sections of tissue is provided. The apparatus includes a circular surgical stapler having an anvil assembly with an anvil shaft and an anvil, the circular surgical stapler further having a tubular body portion with an annular knife and a body portion shaft selectively attachable to the anvil shaft; and a seal structure for deposition between the intestinal sections of tissue including a hub configured to engage attachment structure on at least one of the anvil shaft and the body portion shaft. The attachment structure is positioned so that the seal structure is located between the intestinal sections of tissue when the circular surgical stapler is disposed within the intestinal sections of tissue. Link: U.S. Patent 7823592

This patent was originally filed on 2005-10-12 which gives it a processing time of 1847 days, compared to an average processing time of 1662 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 Rinaldi I. Rada.

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