Bone positioning and cutting system and method
A bone positioning device can include a fixation pin for attachment to a first bone and a fixation pin for attachment to a second bone. A first block having an aperture can be included for slidably receiving a fixation pin, and a second block having an aperture can be included for slidably receiving a fixation pin. A multi-axis joint can connect the first block and the second block, where the multi-axis joint allows the first second blocks to move with respect to each other about more than one axis.
1. A method of correcting an alignment between bones of a foot, the method comprising:
adjusting an alignment of a metatarsal relative to a cuneiform opposing the metatarsal using a bone positioning device to establish a moved position of the metatarsal;
aligning a bone cutting guide with a joint between the metatarsal and the cuneiform;
after establishing the moved position of the metatarsal, using a guide feature of the bone cutting guide to guide a cutting tool to remove at least one of a portion of the metatarsal and a portion of the cuneiform; and
fixing the moved position of the metatarsal relative to the cuneiform with a bone connector.
2. The method of claim 1 , wherein the guide feature of the bone cutting guide is offset a distance from the joint between the metatarsal and the cuneiform.
3. The method of claim 2 , wherein the distance ranges from 1 millimeter to 20 millimeters.
4. The method of claim 1 , wherein using the guide feature of the bone cutting guide to guide the cutting tool comprises placing the cutting tool in apposition to a surface of the bone cutting guide.
5. The method of claim 4 , wherein the surface is operable to guide the cutting tool in a plane parallel to the surface.
6. The method of claim 1 , wherein the cutting tool is a saw blade.
7. The method of claim 1 , wherein adjusting the alignment of the metatarsal relative to the cuneiform opposing the metatarsal using the bone positioning device comprises moving the metatarsal in more than one plane.
8. The method of claim 7 , wherein moving the metatarsal in more than one plane comprises moving the metatarsal in an X-plane, a Y-plane, and a Z-plane.
9. The method of claim 1 , further comprising compressing the metatarsal and the cuneiform opposing the metatarsal together.
10. The method of claim 1 , wherein using the guide feature of the bone cutting guide to guide the cutting tool comprises using the guide feature of the bone cutting guide to guide the cutting tool to remove the portion of the cuneiform.
11. The method of claim 1 , wherein using the guide feature of the bone cutting guide to guide the cutting tool comprises using the guide feature of the bone cutting guide to guide the cutting tool to remove the portion of the metatarsal.
12. The method of claim 11 , further comprising using the guide feature of the bone cutting guide to guide the cutting tool to remove the portion of the cuneiform.
13. The method of claim 1 , wherein the bone connector is configured to cause the metatarsal to fuse to the cuneiform.
14. The method of claim 1 , wherein the bone connector comprises a plate.
15. The method of claim 1 , wherein the bone connector comprises a screw.
16. The method of claim 1 , wherein the bone connector comprises a pin.
17. The method of claim 1 , wherein the bone connector comprises a wire.
18. The method of claim 1 , wherein the bone connector comprises a staple.
19. The method of claim 1 , further comprising imaging the metatarsal and the cuneiform to evaluate the moved position of the metatarsal relative to the cuneiform.
20. The method of claim 19 , wherein imaging the metatarsal and the cuneiform comprises taking an X-ray image of the metatarsal and the cuneiform.
21. The method of claim 1 , further comprising:
attaching the bone positioning device to the metatarsal with a first fixation pin, and
attaching the bone positioning device to the cuneiform with a second fixation pin,
the bone positioning device bridging the joint.
22. The method of claim 21 , further comprising, after adjusting the alignment of the metatarsal relative to the cuneiform, removing the first fixation pin from the metatarsal and removing the second fixation pin from the cuneiform.
23. The method of claim 1 , wherein the metatarsal is a first metatarsal and the cuneiform is a first cuneiform separated from the first metatarsal by the joint.
24. The method of claim 23 , wherein aligning the bone cutting guide with the joint comprises positioning the guide feature of the bone cutting guide over at least one of the portion of the first metatarsal to be cut and the portion of the first cuneiform to be cut.
25. The method of claim 24 , wherein using the guide feature of the bone cutting guide to guide the cutting tool comprises using the guide feature of the bone cutting guide to guide the cutting tool to remove the portion of the first metatarsal, and further comprising using the guide feature of the bone cutting guide to guide the cutting tool to remove the portion of the first cuneiform.
26. The method of claim 25 , wherein the bone connector comprises at least one of a plate, a pin, and a screw.