Tibial osteotomy system
First Claim
1. A surgical kit for performing a tibial osteotomy, comprising:
- (a) an osteotomy guide, comprising;
(i) mounting means for attaching the guide in a predetermined relation to a tibia;
(ii) a transverse slot, defining a transverse cutting plane, adapted to receive and guide a transverse cutting blade for making a transverse cut into said tibia; and
(iii) a plurality of oblique slots angularly offset from said transverse slot, each said oblique slot defining an oblique cutting plane, adapted to receive and guide an oblique cutting blade for making a selected oblique cut into said tibia, wherein the intersection of each of said oblique cutting planes with said transverse cutting plane is adapted to define a wedge of bone which may be removed from said tibia;
(b) a transverse cutting blade adapted to pass through said transverse slot;
(c) fixation means for holding surfaces of said tibia created by said transverse cut and said oblique cut together during the healing of said tibia; and
(d) locking means on said osteotomy guide for lockably engaging said transverse cutting blade and positioning said osteotomy guide at a predetermined location relative to said transverse cutting blade.
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Accused Products
Abstract
A surgical kit for performing a tibial osteotomy is provided, comprising a pair of mounting pins for attaching, an osteotomy guide in a predetermined relation to a tibia; an osteotomy guide, comprising a transverse slot, defining a transverse cutting plane, adapted to receive and guide a transverse cutting blade for making a transverse cut into the tibia, and a plurality of oblique slots angularly offset from the transverse slot, each oblique slot defining an oblique cutting plane, adapted to receive and guide an oblique cutting blade for making a selected oblique cut into the tibia, wherein the intersection of each oblique cutting plane with the transverse cutting plane defines a wedge of bone which may be removed from the tibia. Also included with the surgical kit are a compression clamp adapted to apply compressive forces to a first portion of the tibia above the transverse cut and to a second portion of the tibia below the oblique cut to draw the first and second portions together, and a fixation plate adapted to hold the portions of the tibia together during healing. A method for performing an upper tibial osteotomy is also provided which employs the osteotomy surgical kit.
363 Citations
12 Claims
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1. A surgical kit for performing a tibial osteotomy, comprising:
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(a) an osteotomy guide, comprising; (i) mounting means for attaching the guide in a predetermined relation to a tibia; (ii) a transverse slot, defining a transverse cutting plane, adapted to receive and guide a transverse cutting blade for making a transverse cut into said tibia; and (iii) a plurality of oblique slots angularly offset from said transverse slot, each said oblique slot defining an oblique cutting plane, adapted to receive and guide an oblique cutting blade for making a selected oblique cut into said tibia, wherein the intersection of each of said oblique cutting planes with said transverse cutting plane is adapted to define a wedge of bone which may be removed from said tibia; (b) a transverse cutting blade adapted to pass through said transverse slot; (c) fixation means for holding surfaces of said tibia created by said transverse cut and said oblique cut together during the healing of said tibia; and (d) locking means on said osteotomy guide for lockably engaging said transverse cutting blade and positioning said osteotomy guide at a predetermined location relative to said transverse cutting blade. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for performing an upper tibial osteotomy, comprising the steps of:
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(a) providing a transverse cutting blade and an osteotomy guide, wherein said osteotomy guide comprises; (i) mounting means for attaching the guide in a predetermined relation to a tibia, said tibia having a depth; (ii) a transverse slot, defining a transverse cutting plane, adapted to receive and guide said transverse cutting blade; (iii) a plurality of oblique slots angularly offset from said transverse slot, each said oblique slot defining an oblique cutting plane, adapted to receive and guide an oblique cutting blade for making a selected oblique cut into said tibia, wherein the intersection of each of said oblique cutting planes with said transverse cutting plane is adapted to define a wedge of bone which may be removed from said tibia; and (iv) locking means for lockably engaging said transverse cutting blade and positioning said osteotomy guide at a predetermined location relative to said transverse cutting blade; (b) placing said osteotomy guide against said tibia; (c) extending said transverse cutting blade through said transverse slot; (d) making a transverse cut through said tibia to a distance less than the depth of said tibia; (e) extending an oblique cutting blade through one of said plurality of oblique slots; (f) making an oblique cut through said tibia at an angle intersecting said transverse cut and severing a wedge-shaped portion of said tibia; (g) removing said wedge-shaped portion to form a void in said tibia, said void being defined by an upper side, created by said transverse cut, and a lower side, created by said oblique cut; and (h) drawing said upper and lower sides of said tibia together and permanently closing said void. - View Dependent Claims (10, 11, 12)
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Specification