Aiming Arm for Bone Plates
7 Assignments
0 Petitions
Accused Products
Abstract
An aiming guide aligns a surgical tool with a hole in a bone plate. The aiming guide includes an arm portion having a longitudinal axis, top and bottom surfaces, and first and second ends. The aiming guide further includes a handle portion having upper and lower ends. The handle portion is, at its lower end, connected to the bone plate. The handle portion is, at its upper end, connected to the arm portion. Bores extend from the top surface to the lower surface of the arm portion. Each bore is configured and dimensioned to receive a tool guide in at least two different preset positions which locates the channel in at least two different hole positions. The bore includes two diametrically opposed slots extending along at least a portion of a length of the bore, the slots configured and dimensioned to mate with diametrically opposed knobs extending radially outward from a tool guide. The tool guide has a head and a sleeve portion, which has a centered channel. The sleeve portion and channel are eccentric with respect to the head portion. The tool guide is inserted in a first preset position in order to align a surgical tool with one portion of a two-portion bone plate hole, or in a second preset position rotated 180° from the first preset position, in order to align a surgical tool with the second portion of a two-portion bone plate hole.
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Citations
105 Claims
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1-85. -85. (canceled)
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86. An aiming guide for aligning at least one surgical tool with a hole in a bone plate, comprising:
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an arm portion having a longitudinal axis, top and bottom surfaces, and first and second ends, and at least one bore extending through the arm portion from the top surface to the bottom surface, wherein an axis defined by the at least one bore is not parallel to the longitudinal axis of the arm portion; a tool guide having a longitudinal axis and a channel in the direction of the longitudinal axis of the tool guide, wherein the tool guide is configured and adapted for insertion through the arm portion to a first target location of the bone plate; and a handle attached to the first end of the arm portion at a first end and to the bone plate at a second end, the handle coupling to the bone plate only in a predetermined alignment relative thereto, the predetermined alignment of the handle determining an aiming alignment of the arm portion in which the at least one bore of the arm portion is aligned with a corresponding hole in the bone plate. - View Dependent Claims (87, 88, 89, 90, 91, 92)
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93. An aiming guide for aligning at least one surgical tool with a hole in a bone plate comprising:
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an arm portion having a longitudinal axis, top and bottom surfaces, two side surfaces, and first and second ends, wherein the arm portion is curved along at least a portion of its side surfaces, and at least one bore extending through the arm portion from the top surface to the bottom surface; and a tool guide having a longitudinal axis and a channel in the direction of the longitudinal axis of the tool guide, wherein the bore and tool guide are configured and adapted such that the tool guide is received in the bore in at least two different preset positions which locates the channel in at least two different hole positions, a first preset position being rotated 180°
from a second preset position. - View Dependent Claims (94, 95, 96, 97, 98, 99, 100, 101)
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102. A method of aligning a surgical tool with a bone plate hole, comprising the steps of:
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providing an aiming arm guide system, comprising; an arm portion having a longitudinal axis, top and bottom surfaces, and first and second ends, and at least one bore extending through the arm portion from the top surface to the bottom surface; and a tool guide having a longitudinal axis and a channel in the direction of the longitudinal axis of the tool guide, wherein the bore and tool guide are configured and adapted such that the tool guide is received in the bore in at least two different preset positions which locates the channel in at least two different hole positions; attaching the aiming arm to a bone plate; and inserting at least one tool guide within said bore in one of the at least two preset, rotationally-fixed positions to align the guide sleeve with one of at least two different positions in the bone plate hole.
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- 103. The method of claim 103, wherein attaching the arm portion to the bone plate further comprises a handle portion being attached, at its lower end, to the bone plate and being attached, at its upper end, to the arm portion and wherein attaching the handle to the bone plate further comprises inserting an interlocking bolt through a substantially vertical chamber in said handle and threading the interlocking bolt into a bone plate hole.
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104. The method of claim 104, wherein an internally-threaded locking nut, positioned between the head of the interlocking bolt and the top surface of the handle portion, is rotated to take up any slack between the handle portion and the bone plate.
Specification