Surface replacement extractor device and associated method
First Claim
1. An instrument for use in removal of a prosthetic implant for use performing arthroplasty, comprising:
- a body;
a first member operably associated with said body, said first member including a contact portion for engagement with the implant at a first position; and
a second member operably associated with said body, said second member being moveable with respect to said first member, said second member including a contact portion for engagement with the implant at a second position, spaced from the first position.
1 Assignment
0 Petitions
Accused Products
Abstract
An instrument for use in removal of a prosthetic implant for use performing arthroplasty is provided. The instrument includes a body and a first member. The first member is operably associated with the body. The first member has a contact portion for engagement with the implant at a first position. The instrument also includes a second member operably associated with the body. The second member is moveable with respect to the first member and the second member has a contact portion for engagement with the implant at a second position, spaced from the first position.
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Citations
24 Claims
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1. An instrument for use in removal of a prosthetic implant for use performing arthroplasty, comprising:
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a body;
a first member operably associated with said body, said first member including a contact portion for engagement with the implant at a first position; and
a second member operably associated with said body, said second member being moveable with respect to said first member, said second member including a contact portion for engagement with the implant at a second position, spaced from the first position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An instrument for use in removal of a prosthetic implant having a hollow generally hemispherical portion having a peripheral rim, the implant for use performing arthroplasty, the instrument comprising:
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a body;
a first member operably associated with said body, said first member including a contact portion for engagement with the rim of the implant at a first position; and
a second member operably associated with said body, said second member being moveable with respect to said first member, said second member including a contact portion for engagement with the implant at a second position, spaced from the first position. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. The instrument of claim 9, further comprising a hammer slidably fitted over at least a portion of said body for use in urging said instrument and the implant in a first direction.
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20-1. A kit for use in performing arthroplasty, said kit comprising:
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an implant; and
an instrument for use in removal of a prosthetic implant for use performing arthroplasty, the instrument including a body, a first member operably associated with said body, said first member including a contact portion for engagement with said implant at a first position, and a second member operably associated with said body, said second member being moveable with respect to said first member, said second member including a contact portion for engagement with said implant at a second position, spaced from the first position.
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22. The kit of claim 21, further comprising a trial.
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23. The kit of claim 21, further comprising a cutter for preparing a long bone for receiving said implant.
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24. A method for removing a surface replacement implant from a long bone, the method comprising the steps of:
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Providing an instrument having a body, a first member and a second member, the first member being operably associated with the body and including a contact portion for engagement with the implant at a first position, the second member being operably associated with the body and being moveable with respect to the first member, the second member including a contact portion for engagement with the implant at a second position, spaced from the first position;
separating the first contact portion from the second contact portion;
placing the instrument into alignment with the implant;
advancing the first contact portion toward the second contact portion; and
retracting the instrument and implant from the long bone.
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Specification