Tissue displacement tools and methods
First Claim
Patent Images
1. A tissue cavity preparation tool comprising:
- an elongated support defining a longitudinal axis and having an outer face;
a first stud oriented transverse to the longitudinal axis and fixed to the support;
a second stud oriented transverse to the longitudinal axis and fixed to the support, the second stud offset longitudinally from the first stud;
a first broaching member comprising;
a first wrap section that is wrapped about the first stud;
a first bowed blade extending away from the first wrap section and coupled to the support at a first location longitudinally offset from the first stud, the first bowed blade entering the support through a window in the outer face; and
a second bowed blade extending away from the first wrap section and coupled to the support at a second location;
a second broaching member comprising;
a second wrap section that is wrapped about the second stud;
a third bowed blade extending away from the second wrap section and coupled to the support at a third location longitudinally offset from the second stud; and
a fourth bowed blade extending away from the second wrap section and coupled to the support at a fourth location.
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Accused Products
Abstract
Apparatus and methods for bone cavity preparation. Formed broaching members may be supported inside a bone by a rotator. The broaching members may be bowed out inside the bone to create a cavity having a shape determined by the broaching members and bone anatomy.
998 Citations
61 Claims
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1. A tissue cavity preparation tool comprising:
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an elongated support defining a longitudinal axis and having an outer face; a first stud oriented transverse to the longitudinal axis and fixed to the support; a second stud oriented transverse to the longitudinal axis and fixed to the support, the second stud offset longitudinally from the first stud; a first broaching member comprising; a first wrap section that is wrapped about the first stud; a first bowed blade extending away from the first wrap section and coupled to the support at a first location longitudinally offset from the first stud, the first bowed blade entering the support through a window in the outer face; and a second bowed blade extending away from the first wrap section and coupled to the support at a second location; a second broaching member comprising; a second wrap section that is wrapped about the second stud; a third bowed blade extending away from the second wrap section and coupled to the support at a third location longitudinally offset from the second stud; and a fourth bowed blade extending away from the second wrap section and coupled to the support at a fourth location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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Specification