ABRASIVE CUTTING SURGICAL INSTRUMENT

摘要

The present disclosure provides instruments, devices and methods for surgical tissue cutting with a cylindrical cutting burr bit extending from an elongated hollow member, being connected to a shaft for actuating rotation motion of said burr bit to cut/remove tissue from a target location.

主权项

1. A surgical tissue cutting tip, comprising:
an elongated hollow member, having a distal open end; a burr bit, distally protruding from the distal open end of said hollow member, the burr bit comprising:
a proximal bit end, configured to be mechanically connected to a target end of a rotary shaft;a cylindrical burr body having circumferential cutting/abrasive characteristics, anda distal bit front end; and a burr shield extending from the distal open end of said hollow member to at least partially cover the cylindrical burr body and at least partially cover said distal bit front end,wherein said burr bit is configured to rotate axially in an axis extending from said proximal bit end to said distal bit front end, and to affect abrasive grinding/cutting of tissue by contact with said burr body at areas not covered by said burr shield.