Patent ID: 6514253
Filing Date: 2003-02-04
Classification: A61B

Abstract:
An apparatus for locating interlocking intramedullary nails, said apparatus comprising a curved main body which is provided in a vertical seat thereof with a recessed hole and two locking holes, said main body further provided in a parallel seat thereof with a slide slot and a swaying seat having in the center a fastening hole which is provided with a protruded pillar, said recessed hole being provided with an extension seat which is provided at one end with an expandable rod having a fitting hole corresponding to said locking hole, said extension seat being provided at other end thereof with a carrying seat having in the midsegment thereof a through hole which is provided at the bottom end with a locating block, said extension seat further provided with a near end inclined hole, said locking hole of said main body provided with a threaded rod to cooperate with said fitting hole, said carrying seat provided at the bottom end thereof with a rotary connection block which is provided at the bottom end with an orientation locating block and a nail connection rod, said parallel seat provided with two slide blocks which are provided with two retaining holes and are provided in one side with a fixation thread and a threaded rod, said swaying seat being provided with an adjustment swing arm having an axial hole in cooperation with said fastening hole, said adjustment swing arm provided with a slide hole, a fastening hole, a threaded rod, and an arcuate restriction slot corresponding to said protruded pillar, said adjustment swing arm provided in the bottom end with an adjustment block having at one end a locating slide shaft in cooperation with said slide hole of said adjustment swing arm, said locating slide shaft provided at one end with a retaining face, said adjustment block provided at a front end with an axial hole which is provided at an outer end with a recessed restriction slot, said adjustment block being provided at said axial hole end with a threaded rod which is engaged with a fastening hole of a rotary seat of a slide seat, said fastening hole being provided at the outer end with a protruded pillar in cooperation with said restriction slot, said slide seat further provided with a slide hole and a fitting hole and in one side thereof with a threaded rod, said slide hole of said slide seat being provided with an adjustment rod and an opening hole corresponding to said fitting hole of said slide seat, said adjustment rod provided at the front end with a fitting hole whereby said near end inclined hole, said retaining hole, and said fitting hole are provided with a guide rod or drilling guide sleeve fastened therewith in cooperation with the interlocking intramedullary nails of selected specifications and having near, end threaded holes and far end threaded holes which are separated at selected intervals.