Bone reposition device, method and system
First Claim
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1. A bone reposition device, comprising:
- first and second bone supports for supporting first and second portions of a fractured or osteotomized bone about a fracture or osteotomize site;
a plurality of sequentially connected connection members; and
a plurality of joints each with at least a pair of adjacent parts for connecting the connection members therebetween and to the first and second bone supports, wherein the plurality of joints includes at least six joints, each of which possesses one degree of freedom and allows controllable relative rotation or translation of said pair of adjacent parts about its respective axis, and wherein the six axes extend at a degree relative to each other.
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Abstract
A bone reposition device includes first and second bone supports for supporting first and second portions of a fracture or osteotomize bone about a fracture or osteotomize site, a plurality of sequentially connected connection members and a plurality of joints each with at least a pair of adjacent parts for connecting the connection members therebetween and to the first and second bone supports. The plurality of joints includes at least six joints, each of which possesses one degree of freedom and allows controllable relative rotation or translation of said pair of adjacent parts about one of three axes respectively.
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Citations
29 Claims
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1. A bone reposition device, comprising:
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first and second bone supports for supporting first and second portions of a fractured or osteotomized bone about a fracture or osteotomize site;
a plurality of sequentially connected connection members; and
a plurality of joints each with at least a pair of adjacent parts for connecting the connection members therebetween and to the first and second bone supports, wherein the plurality of joints includes at least six joints, each of which possesses one degree of freedom and allows controllable relative rotation or translation of said pair of adjacent parts about its respective axis, and wherein the six axes extend at a degree relative to each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. The fracture reduction device, comprising four transducers attachable to said four revolute joints for measuring the adjustments thereof, a measurement scale attachable to a joint about which the first and second portions rotates for measuring the adjustment, and two measurement scales attachable to said two telescopic joints for measuring the adjustments.
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14. A process for reducing fracture of a fractured bone, the fractured bone having first and second portions about a fracture site, comprising
attaching a bone reposition device to the fractured bone, the bone reposition device including first and second bone supports for supporting said first and second bone fragments; -
a plurality of sequentially connected connection members; and
a plurality of joints each with at least a pair of adjacent parts for connecting the connection members therebetween and to the first and second bone supports, wherein the plurality of joints includes at least six joints, each of which possesses one degree of freedom and allows controllable relative rotation or translation of said pair of adjacent parts about its respective axis, and wherein the six axes extends at a degree relative to each other, scanning the fractured bone for obtaining a three-dimensional image of the fracture fragments;
determining an adjustment factor for each of said six joints based upon the three-dimensional image; and
relatively rotating or translating each said pair of adjacent parts of said six joints about its respective axis in view of its respective adjustment factor for executing said fraction reduction. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A bone reposition system for reducing fracture of a fractured bone, the fractured bone having first and second portions about a fracture site, comprising:
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a bone reposition device attachable to the fractured bone, the bone reposition device including first and second bone supports for supporting said first and second bone fragments;
a plurality of sequentially connected connection members; and
a plurality of joints each with at least a pair of adjacent parts for connecting the connection members therebetween and to the first and second bone supports,wherein the plurality of joints includes at least six joints, each of which possesses one degree of freedom and allows controllable relative rotation or translation of said pair of adjacent parts about its respective axis, and wherein the six axes extend at a degree relative to each other, a three-dimensional medical imaging device for scanning the fractured bone and the marker holders for obtaining a three-dimensional image of the fracture bone and the marker holders, and a computing device for determining an adjustment factor for each of said six joints based upon the three-dimensional image, wherein each said pair of adjacent parts of said six joints is relatively rotated about its respective axis in view of its respective adjustment factor for executing said fraction reduction.
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Specification