| 摘要 |
A distal component for an interphalangeal prosthesis suitable for insertion into a proximal end of a distal phalangeal bone, said component comprising: a stem portion (4) shaped to be received within a surgically prepared bore in the proximal end of the distal bone, said stem portion generally tapering inwardly from a proximal to a distal end and having a central longitudinal axis extending from the distal end to the proximal end; and a head portion (5) having an under-surface (7) and an upper-surface (6), the under-surface of which in use will bear on the bone into which the stem is implanted, said head portion extending from the stem portion and being ramped away therefrom at an angle of greater than 90° to the longitudinal axis of the shaft; said upper-surface comprising an articulating surface shaped to enable a cooperating surface on a distal end of a proximal bone forming said joint to articulate there-against.
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