Osteosynthetic shape memory material intramedullary bone stent and method for treating a bone fracture using the same
First Claim
1. A method for providing stabilization and compression of a bone fracture, the method comprising:
- providing an intramedullary prosthesis sized for insertion into the intramedullary canal of a bone, the intramedullary prosthesis consisting of a metallic mesh structure having a round cannulated mesh body terminating in a distal end and a proximal end, and at least two barbs projecting from the round cannulated mesh body;
positioning the intramedullary prosthesis within the intramedullary canal of the bone so that the round cannulated mesh body spans the bone fracture, with at least one of the at least two barbs being disposed on one side of the bone fracture and at least one of the at least two barbs being disposed on the other side of the bone fracture; and
radially expanding and longitudinally contracting the round cannulated mesh body so that the at least two barbs grip the side wall of the intramedullary canal on either side of the bone fracture and pull the bone segments on either side of the bone fracture together, whereby to provide stabilization and compression of the bone fracture.
3 Assignments
0 Petitions
Accused Products
Abstract
A method for providing stabilization and compression of a bone fracture, the method comprising: providing an intramedullary prosthesis sized for insertion into the intramedullary canal of a bone and having a distal end, a proximal end and a porous structure therebetween, wherein (i) in a first state, the prosthesis is longitudinally expanded and radially contracted, and (ii) in a second state, the prosthesis is longitudinally contracted and radially expanded, conforms to the shape of the adjacent bone and exerts forces on the adjacent bone; and positioning the intramedullary prosthesis within the intramedullary canal of a bone so that the intramedullary prosthesis spans the bone fracture, whereby to provide stabilization and compression of the bone fracture.
-
Citations
21 Claims
-
1. A method for providing stabilization and compression of a bone fracture, the method comprising:
-
providing an intramedullary prosthesis sized for insertion into the intramedullary canal of a bone, the intramedullary prosthesis consisting of a metallic mesh structure having a round cannulated mesh body terminating in a distal end and a proximal end, and at least two barbs projecting from the round cannulated mesh body; positioning the intramedullary prosthesis within the intramedullary canal of the bone so that the round cannulated mesh body spans the bone fracture, with at least one of the at least two barbs being disposed on one side of the bone fracture and at least one of the at least two barbs being disposed on the other side of the bone fracture; and radially expanding and longitudinally contracting the round cannulated mesh body so that the at least two barbs grip the side wall of the intramedullary canal on either side of the bone fracture and pull the bone segments on either side of the bone fracture together, whereby to provide stabilization and compression of the bone fracture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A method for providing stabilization and compression across a dividing line between two bone segments, the method comprising:
-
providing an intramedullary prosthesis sized for insertion into the intramedullary canal of a bone, the intramedullary prosthesis consisting of a metallic mesh structure having a round elongated mesh body having an axial bore formed therein, and at least two barbs projecting from the round elongated mesh body; positioning the intramedullary prosthesis within the intramedullary canal of the bone so that the round elongated mesh body spans the dividing line, with at least one of the at least two barbs being disposed on one side of the dividing line and at least one of the at least two barbs being disposed on the other side of the dividing line; and radially expanding and longitudinally contracting the round elongated mesh body so that the at least two barbs grip the side wall of the intramedullary canal on either side of the dividing line and pull the bone segments on either side of the dividing line together, whereby to provide stabilization and compression across the dividing line.
-
Specification