Bone fracture fixation system with subchondral and articular surface support
First Claim
1. A fixation plate, comprising:
- a substantially rigid plate having a longitudinal axis and defining first and second sets of threaded peg holes adapted to individually receive fixation pegs therethrough, said second set of peg holes defining axes that extend between and non-parallel to axes of said first set of peg holes, wherein said first set is arranged substantially along a first line, said second set is arranged substantially along a second line, and said first and second lines are longitudinally offset along said longitudinal axis relative to each other.
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0 Petitions
Accused Products
Abstract
A volar plate includes a head portion with two sets of pegs. The first set of the pegs is substantially linearly arranged and the axes of the pegs are preferably oblique relative to each other, and are preferably angled relative to each other in two dimensions. The second set of pegs is provided relatively distal of the first set through a buttress of the head portion of the plate. The second set of pegs is preferably angled relative to the plate such that the pegs are oriented substantially perpendicular to the body of the plate and extend between the pegs of the first set. The first set of pegs provides support for subchondral bone fragments, while the second set of pegs provides support behind the articular bone surface.
357 Citations
58 Claims
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1. A fixation plate, comprising:
a substantially rigid plate having a longitudinal axis and defining first and second sets of threaded peg holes adapted to individually receive fixation pegs therethrough, said second set of peg holes defining axes that extend between and non-parallel to axes of said first set of peg holes, wherein said first set is arranged substantially along a first line, said second set is arranged substantially along a second line, and said first and second lines are longitudinally offset along said longitudinal axis relative to each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A fixation plate, comprising:
a substantially rigid plate having a proximal elongate body portion and a distal head portion at one end of the body portion, said head portion being angled upward relative to said body portion and said head portion defining first and second longitudinally displaced sets of threaded peg holes adapted to individually receive fixation pegs therethrough, wherein said first set is arranged substantially along a first line, said second set is arranged substantially along a second line, and said second line is distally offset on said head portion relative to said first line, and said first set of peg holes laterally overlaps said second set of peg holes. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A fixation plate comprising:
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a substantially rigid plate including a proximal elongate body portion and a distal head portion at one end of the body portion angled relative to said body portion, said head portion defining first and second sets of threaded peg holes adapted to individually receive fixation pegs therethrough, wherein said first set of peg holes is arranged substantially along a first line and said head portion includes a distal buttress portion distal of said first line, and said second set of peg holes are in said buttress portion and define axes that extend between and non-parallel to axes of said first set of peg holes. - View Dependent Claims (24, 25, 26, 27)
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28. A fixation plate comprising:
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a substantially rigid plate having a proximal elongate body portion and a distal head portion at one end of the body portion, said head portion being angled upward relative to said body portion and said head portion defining first and second longitudinally displaced sets of threaded peg holes adapted to individually receive fixation pegs therethrough, wherein said first set of peg holes is arranged substantially along a first line, said second set of peg holes is arranged substantially along a second line, and said second line is distally offset on said head portion relative to said first line, wherein said first set of peg holes define axes which project distally of said second set of peg holes.
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29. A fracture fixation system, comprising:
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a) a substantially rigid plate;
b) a first set of elongate projections coupled to said plate in a substantial linear arrangement on a first line; and
c) a second set of elongate projections coupled to said plate in a substantial linear arrangement on a second line, wherein said first and second lines are not co-linear, and said second set of projections defines axes that extend between and non-parallel to axes of said first set of projections. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A fracture fixation system, comprising:
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a) a substantially rigid plate having a proximal elongate body portion and a distal head portion including a distal bone contacting surface angled upward relative to said body portion, said plate sized and shaped for placement on a volar side of a distal radius bone;
b) a first set of at least three elongate projections coupled to said head portion and substantially extending from along a first line along said head portion and oriented such that when said plate is placed on the volar side of the distal radius bone said first set of projections enter into the distal radius from the volar side; and
c) a second set of at least two substantially linearly arranged elongate projections coupled to said head portion, said second set of projections extending from a location distal of said first line and oriented such that when said plate is placed on the volar side of the distal radius bone said second set of projections also enter into the distal radius from the volar side, wherein axes through said first set of projections project distally of axes through said second set of projections. - View Dependent Claims (46, 47, 48, 49, 50, 51)
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52. A fracture fixation system, comprising:
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a) a substantially rigid plate having a proximal elongate body portion and a distal head portion at one end of said body portion;
b) a first set of at least three substantially linearly arranged elongate projections coupled to said head portion; and
c) a second set of at least two substantially linearly arranged elongate projections coupled to said head portion, said second set of projections extending from a location distal from which said first set of projections extends, wherein said first and second sets of projections are laterally overlapping. - View Dependent Claims (53, 54, 55)
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56. A fracture fixation system, comprising:
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a) a substantially rigid plate including a proximal elongate body portion and a distal head portion at one end of the body portion;
b) a first set of elongate projections coupled to said head portion of said plate, said plate defining a tapered buttress portion distal of where said first set of elongate projections are coupled to said head portion; and
c) a second set of elongate projections coupled to said tapered buttress portion, wherein said second set of projections defines axes that extend between and non-parallel to axes of said first set of projections. - View Dependent Claims (57)
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58. A fracture fixation system, comprising:
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a) a substantially rigid plate having a proximal elongate body portion and a distal head portion angled upward relative to said body portion;
b) a first set of at least three substantially linearly arranged elongate projections coupled to said head portion; and
c) a second set of at least two substantially linearly arranged elongate projections coupled to said head portion, said second set of projections extending from a location distal from which said first set of projections extends, wherein axes through said first set of projections project distally of axes through said second set of projections.
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Specification