Targeting guide with a radiopaque marker to facilitate positioning a bone plate on bone
First Claim
Patent Images
1. A system for fixing bone, comprising:
- a bone plate defining a plurality of apertures; and
a guide block including a monolithic radiolucent body and one or more radiopaque markers affixed substantially permanently to the radiolucent body, the guide block being configured to be attached to and in contact with the bone plate, with a plurality of openings defined by the radiolucent body arranged in coaxial alignment with apertures of the bone plate, the radiolucent body having a bottom side adjacent the bone plate when the guide block is attached to the bone plate, each radiopaque marker being elongated transverse to the bottom side of the radiolucent body;
wherein the radiolucent body has a top side opposite the bottom side, wherein each of the plurality of openings extends continuously from the top side to the bottom side, and wherein at least a portion of each of the one or more radiopaque markers is disposed between the top side and the bottom side.
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Abstract
Bone fixation system, including methods, apparatus, and kits, and comprising a bone plate and at least one instrument that attaches to the bone plate and provides at least one radiopaque region to facilitate positioning the bone plate on bone visualized by radiographic imaging. The instrument may be a handle assembly and/or a targeting guide.
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Citations
18 Claims
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1. A system for fixing bone, comprising:
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a bone plate defining a plurality of apertures; and a guide block including a monolithic radiolucent body and one or more radiopaque markers affixed substantially permanently to the radiolucent body, the guide block being configured to be attached to and in contact with the bone plate, with a plurality of openings defined by the radiolucent body arranged in coaxial alignment with apertures of the bone plate, the radiolucent body having a bottom side adjacent the bone plate when the guide block is attached to the bone plate, each radiopaque marker being elongated transverse to the bottom side of the radiolucent body; wherein the radiolucent body has a top side opposite the bottom side, wherein each of the plurality of openings extends continuously from the top side to the bottom side, and wherein at least a portion of each of the one or more radiopaque markers is disposed between the top side and the bottom side. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for fixing bone, comprising:
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a bone plate defining a plurality of apertures; and a guide block including a radiolucent body and one or more elongated radiopaque markers affixed to the radiolucent body, at least a majority by length of each elongated radiopaque marker being located inside the radiolucent body, the guide block being configured to be attached to and in contact with the bone plate, with a plurality of openings defined by the radiolucent body arranged in coaxial alignment with apertures of the bone plate, the radiolucent body having a bottom side adjacent the bone plate when the guide block is attached to the bone plate, each elongated radiopaque marker being elongated transverse to the bottom side of the radiolucent body. - View Dependent Claims (9, 10, 11, 12)
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13. A system for fixing bone, comprising:
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a bone plate defining a plurality of apertures, the bone plate having a wider head portion and a narrower, elongated body portion; and a guide block including a radiolucent body and one or more radiopaque markers affixed substantially permanently to the radiolucent body, the guide block being configured to be attached to and in contact with the bone plate, with a plurality of openings defined by the radiolucent body arranged in coaxial alignment with apertures of the bone plate, and with at least a portion of the guide block overlapping the wider head portion of the bone plate; wherein the at least a portion of the guide block that overlaps the wider head portion of the bone plate includes the one or more radiopaque markers; and wherein the one or more radiopaque markers include a pair of elongated radiopaque markers that are not parallel to one another. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification