Arthroplasty systems and devices, and related methods
Systems for manufacturing arthroplasty jigs are disclosed. The systems include positioning components for positioning an arthroplasty jig blank in a machining device (e.g., a computer numerical control (CNC) machine). Arthroplasty jig blanks that may be used in the systems can include an arm fixture component configured to be coupled to the positioning component. Coupling the arm fixture component to the positioning component positions the jig blank body for machining by the machining device. In addition, positioning components, arthroplasty jig blanks, and methods for making arthroplasty jig blanks are disclosed.
1. A blank from which an arthroplasty jig is to be manufactured, the blank comprising:
a body comprising a shape and size that approximates the arthroplasty jig, the body being configured such that the entirety of the arthroplasty jig is manufactured from the body; and
a member extending from the body and configured to support the body during manufacturing, the member being formed with the body as a unitary structure formed from a single mold.
2. The blank of claim 1 , wherein the member is cantilevered off of the body.
3. The blank of claim 2 , wherein the member comprises a single intersection with the body.
4. The blank of claim 3 , wherein the member comprises a cylindrical shaft.
5. The blank of claim 3 , wherein the member comprises a rectangular transverse cross section.
6. The blank of claim 3 , wherein the member comprises a length extending away from the body, a width perpendicular to the length, and a height perpendicular to both the length and width, wherein both the width and the height are substantially smaller than the body at the single intersection.
7. The blank of claim 6 , wherein the member further comprises a free end opposite the member from the single intersection, the free end comprising a structure having a length extending generally transverse to the length of the member.
8. The blank of claim 3 , wherein the member comprises a length extending away from the body, a width perpendicular to the length, and a height perpendicular to both the length and width, wherein height is substantially smaller than the body at the single intersection, and the width is substantially greater than the height.
9. The blank of claim 8 , wherein the member further comprises openings extending through the height.
10. The blank of claim 2 , wherein the member comprises a first intersection with the body and a second intersection with the body, the first intersection and second intersection being spaced apart from each other.
11. The blank of claim 10 , wherein the first intersection and second intersection being spaced apart from each other defines a first structure and a second structure of the member, the first and second structures being spaced apart from each other.
12. The blank of claim 11 , wherein the first structure comprises a first length extending away from the body, a first width perpendicular to the first length, and a first height perpendicular to both the first length and first width, wherein both the first width and the first height are substantially smaller than the body at the first intersection.
13. The blank of claim 12 , wherein the second structure comprises a second length extending away from the body, a second width perpendicular to the second length, and a second height perpendicular to both the second length and second width, wherein both the second width and the second height are substantially smaller than the body at the second intersection.
14. The blank of claim 13 , wherein the member further comprises a free end opposite the member from the first intersection, the free end comprising a third structure having a third length extending between the first structure and second structure generally transverse to the first length.
15. The blank of claim 14 , wherein the first, second and third structures combine to form a first U-shaped member.
16. The blank of claim 15 , further comprising a second U-shaped member extending from an opposite side of the body from the first U-shaped member.
17. The blank of claim 14 , wherein the first, second and third structures combine to form a π-shaped member.
18. The blank of claim 1 , wherein the arthroplasty jig approximately by the shape and size of the body comprises a tibial arthroplasty jig.
19. The blank of claim 1 , wherein the arthroplasty jig approximately by the shape and size of the body comprises a femoral arthroplasty jig.
20. The blank of claim 1 , wherein the blank comprises a polymer material.