Microfracture instrument
AssigneeArthrex, Inc.
InventorsReinhold Schmieding, Kenneth M. Adams, Philip S. O'Quinn
Life of this patent
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Abstract
A bone drill that includes a shaft with a flexible portion having a proximal end and a distal end and a drill tip coupled to the distal end of the shaft. The bone drill also includes a cannulated sheath with a proximal end and a distal end, the sheath housing a portion of the shaft and having a curved portion at the distal end. The drill tip may also be housed within the curved portion of the sheath. The bone drill may also include a hub with an actuator mechanism, the hub being coupled to the sheath, wherein the actuator mechanism retracts the sheath to cause the drill tip to extend beyond the distal end of the sheath.
Claims20
A bone drill comprising:
- a shaft with a flexible portion having a proximal end and a distal end;
- a drill tip coupled to the distal end of the shaft;
- and
- a cannulated sheath with a proximal end and a distal end, the sheath having a curved portion at the distal end and housing a portion of the shaft.
A method of drilling a hole in a bone comprising:
- providing a shaft with a flexible end, the flexible end being coupled to a drill tip;
- providing a cannulated sheath with a distal end and a proximal end, the distal end of the sheath being curved and housing the drill tip;
- and
- displacing the sheath so that the drill tip extends beyond the distal end of the sheath.
Dependencies are inferred from the claim text.