One embodiment of the present invention includes a surgical instrument including an instrument body including a shaft having a distal end, a proximal end and a length therebetween; and a bushing having a length, wherein at least a portion of the length of the bushing includes a spring portion includ
One embodiment of the present invention includes a surgical instrument including an instrument body including a shaft having a distal end, a proximal end and a length therebetween; and a bushing having a length, wherein at least a portion of the length of the bushing includes a spring portion including a resilient member, wherein the bushing is cannulated such that the shaft of the instrument is positioned therethrough.
대표청구항▼
1. A bushing for use with a drill, comprising a cannulation extending along a length of the bushing from a proximal end to a distal end, more than one flexible portion along the length, and at least one solid portion along the length, wherein each flexible portion is separated from one another by a
1. A bushing for use with a drill, comprising a cannulation extending along a length of the bushing from a proximal end to a distal end, more than one flexible portion along the length, and at least one solid portion along the length, wherein each flexible portion is separated from one another by a solid portion. 2. The bushing of claim 1, wherein the flexible portion is positioned along the length towards the distal end of the bushing. 3. The bushing of claim 1, wherein the cannulation is sized such that a shaft of the drill can be positioned therethrough. 4. The bushing of claim 3, wherein an outer surface of the bushing is sized such that the drill and bushing are adapted to be positioned within a cannulation of a cannulated guide. 5. The bushing of claim 4, wherein the cannulated guide includes a curve along its length, wherein the flexible portion of the bushing is adapted to pass through the curve. 6. The bushing of claim 1, wherein the bushing is disposable and the drill is reusable. 7. A surgical system for the preparation of a bore hole in bone, comprising: a cannulated guide having a length between proximal and distal ends and a curved portion along at least a portion of the length;a drill or an implant inserter sized to pass through the cannulation of the cannulated guide; anda bushing having an outer diameter sized to be positioned within the cannulation of the cannulated guide and a cannulation extending along a length from a proximal end to a distal end sized to position the drill or implant inserter therethrough. 8. The system of claim 7, wherein the bushing is disposable and the cannulated guide and flexible instrument are reusable. 9. The system of claim 7, wherein the bushing includes at least one flexible portion along the length and at least one solid portion along the length. 10. The system of claim 7, wherein the drill includes a distal drilling tip secured to the distal end of the shaft, wherein the bushing is positioned on the shaft adjacent to the distal drilling tip. 11. The system of claim 7, wherein the bushing and the flexible instrument are adapted to pass through the curved portion of the cannulated guide. 12. The system of claim 11, wherein the cannulated guide includes a longitudinal axis and the bushing includes an outer diameter adapted to position at least a portion of the flexible instrument substantially coaxial with the longitudinal axis of the cannulated guide. 13. A method of centering a drill within a cannulation of a curved guide, the drill including a drilling tip at a distal end and a flexible portion positioned towards the distal end of the drill and proximal to the drilling tip, the method comprising the steps of: obtaining the curved guide, the guide having a length between proximal and distal ends, the length defining a longitudinal axis of the guide, and a curved portion along at least a portion of the length and positioned towards a distal end of the guide, and the flexible instrument having a length between proximal and distal ends;obtaining a bushing having an outer diameter sized to be positioned within the cannulation of the curved guide and a cannulation extending along a length from a proximal end to a distal end sized to position the flexible instrument therethrough, the bushing including a flexible portion positioned towards the distal end of the bushing;directing the flexible portions of the bushing and the drill into the cannulation of the curved guide and through the curved portion of the curved guide, wherein the portion of the bushing passing through and beyond the curved portion of the curved guide maintains the drilling tip, passing through and beyond the curved portion of the curved guide, substantially coaxial with the longitudinal axis of the curved guide. 14. The method of claim 13, wherein the drilling tip extends past the distal end of the curved guide and the distal end of the bushing remains within the cannulation of the curved guide. 15. A kit, comprising: at least one cannulated guide, the guide having a length between proximal and distal ends, the length defining a longitudinal axis of the guide, and a curved portion along at least a portion of the length;at least one drill or implant inserter having a length between proximal and distal ends and a flexible portion along at least a portion of the length; andat least one bushing having a cannulation extending along a length of the bushing from a proximal end to a distal end, at least one flexible portion along the length, and at least one solid portion along the length. 16. The kit of claim 15, wherein the bushing is disposable and the cannulated guide and the drill or implant inserter are reusable. 17. The kit of claim 15, wherein a particular bushing and a particular drill or implant inserter are both positionable into a particular cannulated guide.
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