Device and method for cementing a hip prosthesis in a femoral canal
OwnerByron L. Browninventor
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Abstract
A device for cementing a femoral stem hip prosthesis having a head, neck, collar and stem in a femoral canal comprising means for mounting a femoral stem of the prosthesis in the femoral canal in a rigid relationship thereto, and means for cementing the prosthesis stem in the canal while in the rigid relationship whereby a strong bond is obtained between the prosthesis stem and the femur.
Claims34
A device for cementing a femoral stem hip prosthesis having a head, neck, collar and stem in a prepared femoral canal comprising:
- (a) means for mounting said femoral stem of said prosthesis in said femoral canal in a rigid relationship, and
- (b) means independent of said prosthesis and coupled to said mounting means for introducing cement into said canal about the periphery of said stem for cementing said prosthesis stem in said canal while in said right relationship whereby a strong bond is obtained between said prosthesis stem and said femur.
A method of cementing a femoral stem hip prosthesis in a prepared femoral canal, said prosthesis comprising a head, neck, and stem, said method comprising the steps of:
- (a) inserting the stem of said prosthesis in said prepared femoral canal,
- (b) attaching said prosthesis to said femur in a rigid relationship, and
- (c) introducing cement into said canal independent of said prosthesis and about the periphery of said stem for cementing said prosthesis stem in said canal while said prosthesis is maintained in said rigid relationship.
A device for cementing a collarless femoral stem hip prosthesis having a head, neck and stem in a prepared femoral canal of a femur wherein a portion of the head and neck of said femur has been removed comprising:
- (a) means for mounting the stem of said collarless prosthesis rigidly in said femoral canal in the correct position for final use, and
- (a) means coupled to said mounting means independent of said prosthesis for introducing cement into said canal about the periphery of said stem for cementing said collarless prosthesis in said canal in said rigid position whereby a strong bond is obtained between said prosthesis and said femur.
A method of cementing a collarless femoral stem hip prosthesis having a head, neck and stem in a prepared femoral canal wherein a portion of the head and neck of said femur has been removed comprising:
- (a) inserting the stem of said prosthesis in said prepared femoral canal,
- (b) attaching a lid clamp guide to said prosthesis head,
- (c) positioning said lid clamp guide in its correct location,
- (d) attaching a base guide to said correctly positioned lid clamp guide,
- (e) rigidly attaching said correctly positioned base guide to said femur,
- (f) removing said lid clamp guide and said prosthesis,
- (g) resecting the remaining head and neck of said femur using said base guide as a reference,
- (h) re-inserting said collarless prosthesis stem in said prepared femoral canal,
- (i) attaching a ceiling-lid clamp to said prosthesis head and said base guide in a rigid relationship to form a cement tight seal, and
- (j) cementing said collarless prosthesis stem in said canal while said prosthesis is maintained in said rigid relationship.
Dependencies are inferred from the claim text.