A nail for fixing the position and shape of broken long bones is provided. The nail has a shank having a central main body and longitudinal chamber-like expansion elements attached to the central main body which are expandable while in situ. The expansion elements run substantially the length of the shank and are preferably arranged substantially equiangularly around the central main body. When the expansion elements are expanded, a cross-section of the central main body is expanded. The central main body may be provided with channels into which the expansion elements may be disposed.
RELATED APPLICATIONS
This application claims priority under 35 U.S.C. .sctn. 365 to PCT International Application No. PCT/EP96/01652 filed Apr. 19, 1996.
An adjustable prosthesis includes an actuator for adjusting the prosthesis subsequent to surgical implantation thereof. The actuator is activated by application of an trans-cutaneous signal. A method of operating an adjustable prosthesis is also disclosed.
An implantable, adjustable prosthesis includes a first component which may be moved relative to a second component by use of a transcutaneous control signal. A method of operating such a prosthesis is also disclosed.
