SURGICAL INSTRUMENT AND METHOD

• US 20160262809A1
• Filed: 03/11/2015
• Published: 09/15/2016
• Est. Priority Date: 03/11/2015
• Status: Active Grant

• Current Assignee: Warsaw Orthopedic Incorporated (Medtronic Plc)
• Original Assignee: Warsaw Orthopedic Incorporated (Medtronic Plc)
• Inventors: May, Jason M., Rezach, William A., Ballard, Rodney R.
• Granted Patent: US 10,285,740 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 17/1637 Hollow drills or saws producing a curved cut, e.g. cylindrical A61B10/025, A61B17/1695 take precedence
• CPC Class Codes: A61B 17/7082 for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed screws driving other bone screws A61B17/8875

Abstract

A surgical instrument having a first member engageable with a first end of a fastener having a second end configured to penetrate tissue. A second member includes an expandable member configured for engaging the first end. Systems and methods are disclosed.

Claims

1. A surgical instrument comprising:

a first member being engageable with a first end of a fastener having a second end configured to penetrate tissue; and

a second member including an expandable member configured for engaging the first end.

2. A surgical instrument as recited in claim 1, wherein the first end includes a spherical shape.

3. A surgical instrument as recited in claim 1, wherein the second member includes a flexible collet configured to snap around the first end.

4. A surgical instrument as recited in claim 1, further comprising a third member coupled with the second member, the second and third members being configured to translate relative to each other between a first position and a second position.

5. A surgical instrument as recited in claim 4, wherein the third member is configured to lock the first member in a closed position.

6. A surgical instrument as recited in claim 1 further including a retaining cap configured to apply a force to form a compression fit between the first end and the second member.

7. A surgical instrument as recited in claim 1, further comprising a third member having a tip defining a cavity for disposal of the first end and including a hard stop configured to prevent the fastener from penetrating into tissue beyond a selected limit.

8. A surgical instrument as recited in claim 1, further comprising a third member having a tip defining a reamer end surface configured to bore a path about the first end.

9. A surgical instrument as recited in claim 8, wherein the reamer end surface includes a plurality of teeth.

10. A surgical instrument as recited in claim 1, wherein the second member includes a flexible collet engageable by a third member between a first position and a second position.