Patent ID: 8007533
Filing Date: 2011-08-30
Classification: A61F

Abstract:
1. An implant comprising: a tendon having a length, wherein the tendon comprises along its length at least a first end, a first intermediate section, a central section, a second intermediate section, and a second end; and a bone block assembly comprising at least a first intermediate bone block and a second intermediate bone block; wherein the tendon is secured between the first intermediate bone block and the second intermediate bone block at a fixed location along its length at the first end or at the first intermediate section of the tendon; and wherein the bone block assembly has a first grip on the tendon prior to implantation of the implant into a patient and a second grip on the tendon after implantation of the implant into a patient; and wherein at least one of the first intermediate bone block or the second intermediate bone block comprises cancellous bone having a cortical cap or shell on at least one surface thereof; and further wherein at least one of the first intermediate bone block or the second intermediate bone block comprises a stress concentrating feature which is configured to separate in a predetermined manner during or after implantation of the implant into a patient; wherein the stress concentrating feature is formed by partially removing said cortical cap or shell from the center of said first intermediate bone block or said second intermediate bone block.