Method and apparatus for implanting an acetabular cup
First Claim
Patent Images
1. A method of implanting an acetabular cup comprising the steps of:
- preparing an acetabular socket to receive said cup;
placing cement in said socket;
locating a loading tube in line with said socket; and
inserting the acetabular cup through the tube into said socket by pushing it down the tube with an inserter to a predetermined position therein defined by a stop acting on said inserter.
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Abstract
A method of implanting an acetabular cup includes preparing an acetabular socket to receive said cup, placing cement in said socket before or after locating a loading tube in line with the socket and inserting the acetabular cup through the tube into said socket. This is done by pushing it down the tube with an inserter to a predetermined position therein defined by a stop element acting on the inserter or an attachment thereto.
200 Citations
18 Claims
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1. A method of implanting an acetabular cup comprising the steps of:
- preparing an acetabular socket to receive said cup;
placing cement in said socket; locating a loading tube in line with said socket; and
inserting the acetabular cup through the tube into said socket by pushing it down the tube with an inserter to a predetermined position therein defined by a stop acting on said inserter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- preparing an acetabular socket to receive said cup;
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10. An apparatus for implanting an acetabular cup in the acetabular socket comprising:
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a loading tube sized to receive said cup, adapted for alignment with the acetabular socket said tube having openings at both ends with said openings sized to allow passage of said cup therethrough during implantation, wherein said loading tube is provided with a flexible skirt assembly surrounding said tube; a cup inserter adapted to fit into said tube; and a stop engagable with said inserter to limit movement of said inserter and said cup down said tube to a predetermined position therein. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. An apparatus for implanting an acetabular cup in the acetabular socket comprising:
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a loading tube sized to receive said cup, adapted for alignment with the acetabular socket said tube having openings at both ends with said openings sized to allow passage of said cup therethrough during implantation; a cup inserter adapted to fit into said tube; a stop engagable with said inserter to limit movement of said inserter and said cup down said tube to a predetermined position therein; said stop apparatus engagable with the inserter engaging an abutment on said tube located at a position spaced away from the end of the tube adjacent to the acetabular socket when in use; and the diameter of said loading tube being adjustable.
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Specification