CPC A61B 17/7082 (2013.01) [A61B 17/7002 (2013.01); A61B 17/7059 (2013.01); A61B 17/7083 (2013.01); A61B 17/8886 (2013.01)] | 19 Claims |
1. A surgical instrument comprising:
an elongated first member extending in a longitudinal direction from having a first end to a second end;
a tubular second member having a third end and a fourth end, a portion of the elongated first member being positioned within a first passageway of the tubular second member; and
a tubular third member having a fifth end and a sixth end, the portion of the elongated first member and a portion of the tubular second member being positioned within a second passageway of the tubular third member;
a plurality of teeth provided at the sixth end of the tubular third member for boring into tissue; and
a first handle comprising a first cavity housing the fifth end of the tubular third member and an inner surface having a first threaded portion rotatably engaged to a second threaded portion of the tubular second member;
wherein the first handle is configured to be rotated and rotation of the first handle relative to the second threaded portion of the tubular second member urges the fifth end of the tubular third member to axially translate the tubular third member relative to the tubular second member in the longitudinal direction;
wherein the fourth end of the tubular second member comprises an expandable member and the tubular third member has a dual purpose of boring into tissue and selectively maintaining the expandable member in a closed position; and
wherein the plurality of teeth are configured to rotate independent of an elongated sleeve of the tubular third member.
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