Limiting release-preventing atlanto-odontoid joint connector and mounting method thereof
A connector and atlanto-tooth technology, which is applied in the field of limit-off anti-atlanto-tooth joint connector and its installation, can solve the problems of unstable atlanto-tooth joint connector function and affect practical application, and achieve good application prospects and simple installation Ease of operation and improved reliability
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Embodiment 1
[0052] In this embodiment, the three-dimensional structure diagram of the position-limiting and anti-disengagement atlanto-tooth joint connector is as follows: figure 1 As shown, it includes the axis component 1 and the atlas component 2.
[0053] Such as figure 2 As shown, the axis component 1 includes an axis connecting base 3 and two connecting plates 4 connected with the axis connecting base 3 . One end of the pivot joint 3 is formed with a protruding rotatable head body 5 , and the end surface of the head body is a spherical surface 6 .
[0054] The center axis of spherical symmetry of the head-body spherical surface 6 is taken as the reference axis, the direction parallel to the reference axis is taken as the axial direction, and the direction perpendicular to and connected with the reference axis is taken as the radial direction. The head body spherical surface 6 is formed with an inner concave ring groove 7 along a direction perpendicular to the axial direction.
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Embodiment 2
[0072] In this embodiment, the structure of the position-limiting and anti-disengagement atlanto-tooth joint connector is basically the same as that of Embodiment 1, the difference is that the inner concave ring groove is an inner concave arc groove body, that is, each section passing through the reference shaft has the same shape. Indented arc. Correspondingly, each section of the limiting boss 13 passing through the reference axis is also a concave arc surface with the same shape, and after the limiting boss 13 is embedded with the inner concave ring groove 7, there is a tolerance between the two, The position-limiting boss 13 can be rotated left and right and forward and backward relative to the inner concave ring groove 7 . The left and right rotation refers to the reference axis as the axis of rotational symmetry, and the pivot component 1 can rotate left and right relative to the atlas component 2 . The forward and backward rotation refers to that the pivotal component ...
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Abstract
Description
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Application Information
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