Patent ID: 8540714
Filing Date: 2013-09-24
Classification: A61B

Abstract:
1. An intramedullary nail system for use in pediatric patients, comprising: an intramedullary nail, said nail being a one-piece item having a proximal portion, a medial portion and a distal portion and a continuous cannula that extends through each of said portions, said proximal portion having a first longitudinal axis and an end with at least one finger extending parallel to said first longitudinal axis from an end surface, said proximal portion having an internal thread along said cannula extending from said end surface toward said medial portion, said proximal portion having first and second linear channels formed through it, said first and second channels having respective first and second openings on one side of said proximal portion and a common third opening across from said first and second openings; said medial portion joining said proximal portion at a bend as viewed in a medial-lateral plane that forms an angle between said proximal portion and said medial portion of about 165 degrees, said medial portion having a third linear channel therethrough, said third channel being non-parallel to either of said first and second channels, said distal portion joining said medial portion at a bend as viewed in a medial-lateral plane that forms an angle between said medial portion and said distal portion of about 175 degrees, said distal portion having fourth and fifth linear channels that are parallel to each other and a sixth linear channel between and non-parallel with said fourth and fifth channels; and a targeting assembly adapted to be connected to said proximal portion of said nail, said assembly including a one-piece bracket having first and second ends and multiple linear segments joined together between said ends, an extension extending perpendicular to one of said segments at said first end and having a tip distal from said one of said segments, said tip having at least one finger extending longitudinally and configured to fit alongside said at least one finger of said nail, said extension having a linear lumen through the entirety of said extension, said lumen having an upper portion and a lower portion smaller in diameter than said upper portion, said upper portion being at least partially internally threaded, said assembly further including a bolt having a threaded shaft and a head inserted into said lumen, said head having a diameter less than that of said upper portion of said lumen but greater than that of said lower portion of said lumen, said threaded shaft being threadedly compatible with said internal thread of said nail.