Patent ID: 7753915
Filing Date: 2010-07-13
Classification: A61B

Abstract:
1. An arrangement for adjusting a length or distance between bone parts when coupled to the bone parts, comprising: a telescoping device comprising: a magnetic field generating mechanism that causes rotation of said at least one magnet to thereby cause rotation of said rod and axial movement of at least one of said first and second parts of said telescoping device, said magnetic field generating mechanism comprising a frame and a solenoid arrangement arranged outside of said telescoping device and arranged to generate a dynamic magnetic field around an operative region to cause rotation of said at least one magnet when situated in said operative region, said solenoid arrangement comprising a plurality of pairs of solenoids housed in said frame, said solenoids being arranged in a common plane and each of said pairs of solenoids having a common axis, said frame being arranged to position a portion of the body having said telescoping device such that said at least one magnet is aligned with and between said pairs of solenoids.