U.S. Patent 8276802 was awarded to Tyco Healthcare Group LP on 2012-10-02 and describes a “Surgical instrument with double cartridge and anvil assemblies.” This patent has been cited 302 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 end effector for use with a surgical instrument having a first cartridge assembly configured to deploy a first set of fasteners and a second cartridge assembly disposed distally of the first cartridge assembly. The second cartridge assembly is configured to move between an open position and an approximated position relative to clamp tissue. A central rod extends between the first cartridge assembly and the second cartridge assembly. Link: U.S. Patent 8276802
This patent was originally filed on 2010-05-20 which gives it a processing time of 866 days, compared to an average processing time of 983 in the field. Tyco Healthcare Group LP has 1168 total patents. The first named inventor is Stanislaw Kostrzewski of West Newton, PA. The primary examiner was Robert Long.
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