ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,186, issued on April 29, was assigned to Covidien LP (Mansfield, Mass.).
"Tissue resecting instrument including a rotation lock feature" was invented by Timothy J. Wood (Wilmington, Mass.) and Peter F. Marshall (Bolton, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tissue resecting instrument includes an end effector assembly having a proximal hub housing, a retainer cap extending proximally therefrom, an elongated outer shaft extending distally from the proximal hub housing, an inner cutting shaft rotatably disposed within the elongated outer shaft, and an inner core drive assembly that includes a proximal driver and a distal driver. The di...