Tibial resection guide
First Claim
Patent Images
1. A tibial resection guide device, comprising:
- a vertical mounting assembly including a first, pivotal member and a second, non-pivotal member, the first, pivotal member being able to rotate, with respect to the second member, in the mediolateral plane;
a horizontal mounting assembly having a vertically oriented slot disposed therein to receive at least a portion of the vertical mounting assembly to facilitate vertical displacement of the vertical mounting assembly and an attached cutting guide block with respect to the horizontal mounting assembly;
a vertical adjustment mechanism disposed on the vertical mounting assembly to selectively control the vertical position of the vertical mounting assembly and the cutting guide block with respect to the horizontal mounting assembly;
a locking mechanism for removably securing the tibial cutting guide block to the vertical mounting assembly;
a vertically oriented sleeve element having a longitudinal axis extending therethrough, the sleeve element being adapted to mount the resection guide device to an alignment rod;
a mounting rod appended to and extending from the sleeve element transverse to the longitudinal axis of the sleeve element;
a mounting block having on one surface thereof a horizontally oriented aperture disposed therein that is adapted to receive the mounting rod and to mount the mounting block upon the mounting rod in a slidable condition, and a means disposed on another surface thereof for securing the mounting block to the horizontal mounting assembly; and
a pivot hinge which pivotally joins at least a portion of the horizontal mounting assembly to the mounting block such that the horizontal mounting assembly, the vertical mounting assembly, and the tibial cutting guide block are all able to rotate as a unit in the anteroposterior plane with respect to the mounting block.
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Abstract
A tibial resection guide is adapted to be mated with a tibial cutting guide block. The tibial resection guide enables the cutting guide block and its cutting surface to be manipulated vertically and horizontally. Further, the device enables the cutting guide block to be angularly oriented in the anteroposterior plane and in the mediolateral plane. The tibial resection guide of the invention is adapted for use with an intramedullary alignment rod.
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Citations
22 Claims
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1. A tibial resection guide device, comprising:
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a vertical mounting assembly including a first, pivotal member and a second, non-pivotal member, the first, pivotal member being able to rotate, with respect to the second member, in the mediolateral plane; a horizontal mounting assembly having a vertically oriented slot disposed therein to receive at least a portion of the vertical mounting assembly to facilitate vertical displacement of the vertical mounting assembly and an attached cutting guide block with respect to the horizontal mounting assembly; a vertical adjustment mechanism disposed on the vertical mounting assembly to selectively control the vertical position of the vertical mounting assembly and the cutting guide block with respect to the horizontal mounting assembly; a locking mechanism for removably securing the tibial cutting guide block to the vertical mounting assembly; a vertically oriented sleeve element having a longitudinal axis extending therethrough, the sleeve element being adapted to mount the resection guide device to an alignment rod; a mounting rod appended to and extending from the sleeve element transverse to the longitudinal axis of the sleeve element; a mounting block having on one surface thereof a horizontally oriented aperture disposed therein that is adapted to receive the mounting rod and to mount the mounting block upon the mounting rod in a slidable condition, and a means disposed on another surface thereof for securing the mounting block to the horizontal mounting assembly; and a pivot hinge which pivotally joins at least a portion of the horizontal mounting assembly to the mounting block such that the horizontal mounting assembly, the vertical mounting assembly, and the tibial cutting guide block are all able to rotate as a unit in the anteroposterior plane with respect to the mounting block. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A tibial resection guide device, comprising:
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a horizontal mounting assembly having a means for slidably receiving at least a portion of a vertical mounting assembly to facilitate vertical displacement of the vertical mounting assembly and an attached cutting guide block independent of any vertical movement of the horizontal mounting assembly; a vertical mounting assembly including at least one portion thereof that is rotatable, independent of the remaining components of the guide, in the mediolateral plane; a vertical adjustment mechanism disposed on the vertical mounting assembly to selectively control the vertical position of the vertical mounting assembly and the cutting guide block with respect to the horizontal mounting assembly; a locking means for removably securing the tibial cutting guide block to the vertical mounting assembly; a clamp element adapted to mount the resection guide device to an alignment rod; a mounting element appended to the clamp element; a mounting block, slidably connected to the mounting element to facilitate horizontal movement of the mounting block toward and away from the alignment rod; and a pivotal connection element connecting at least a portion of the horizontal mounting assembly to the mounting block such that the horizontal mounting assembly and the vertical mounting assembly are all able to rotate as a unit in the anteroposterior plane with respect to the mounting block.
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Specification