Back to results
US 8,961,615 B2Granted
Bone prosthesis for maintaining joint operation in complex joints
OwnerRichard A. Rogachefskyinventor
Life of this patent
Estimating the term…
Abstract
A prosthesis for reconstructing a multibone joint such as a wrist. A patient's scaphoid is removed to create a void. The scaphoid has a plurality of adjacent bones, each of the adjacent bones comprising a surface generally facing the void. The surface of at least two of the adjacent bones is prepared by affixing a magnetic element thereto and a magnetic scaphoid implant is inserted into the void. A magnetic relationship exists between the magnetic elements and the magnetic scaphoid implant.
Claims12
A wrist prosthesis comprising:
- a magnetic implant approximating the size of a bone to be replaced;
- a first magnetic bone implant securable to a first bone adjacent the bone to be replaced;
- and
- a second magnetic bone implant securable to a second bone adjacent the bone to be replaced,
- wherein each of the first and second magnetic bone implants have a magnetic relationship with the magnetic implant,
- wherein the magnetic implant is a scaphoid implant approximating the size and shape of a scaphoid to be removed from a patient's wrist, the first magnetic bone implant is securable to a first bone adjacent the scaphoid to be replaced, and the second magnetic bone implant is securable to a second bone adjacent the scaphoid to be replaced, wherein the first and second magnetic bone implants each have a magnetic relationship with the scaphoid implant,
- wherein at least one of the scaphoid implant or the first and second magnetic bone implants comprise a magnet, and
- wherein the first bone and the second bone are selected from the trapezium, the trapezoid, the lunate, the capitate, and the radius.
5 more elements
Dependencies are inferred from the claim text.