Adjustable conjunctival sac expander and method for expanding conjunctival sac through adjustable conjunctival sac expander
A capsule dilator and adjustable technology, which is applied in the field of medical devices, can solve the problems of inability to install prosthetic eyes, difficulty in installing prosthetic eyes, and affecting the appearance, so as to solve the problem of poor expansion effect, avoid economic burden and surgical pain, and achieve good results. realistic effect
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Embodiment 1
[0043] An adjustable conjunctival sac dilator, including two support modules 1 for expanding the conjunctival sac, the two support modules 1 are arranged oppositely, and the outer surfaces of the two oppositely arranged support modules 1 are convex spherical outer surfaces 12.
[0044] The two opposite support modules 1 are fixed together by an adjusting device 2 for supporting and adjusting the distance between the two support modules 1 . The adjustment device 2 includes an adjustment shaft 21 with reverse threads at both ends and a cable-stayed adjustment rod 22 that is movably connected with the two support modules 1 . Both ends are provided with fulcrum modules 23 respectively, and the fulcrum modules 23 are threadedly connected with the adjustment shaft 21 respectively, and the inclined-stay adjustment rod 22 is hinged with the support module 1 and the fulcrum module 23 respectively.
Embodiment 2
[0046] An adjustable conjunctival sac dilator, including two support modules 1 for expanding the conjunctival sac, the two support modules 1 are arranged oppositely, and the outer surfaces of the two oppositely arranged support modules 1 are convex spherical outer surfaces 12.
[0047] The two opposite support modules 1 are fixed together by an adjusting device 2 for supporting and adjusting the distance between the two support modules 1 . The adjustment device 2 includes an adjustment shaft 21 with reverse threads at both ends and a cable-stayed adjustment rod 22 that is movably connected with the two support modules 1 . Both ends are provided with fulcrum modules 23 respectively, and the fulcrum modules 23 are threadedly connected with the adjustment shaft 21 respectively, and the inclined-stay adjustment rod 22 is hinged with the support module 1 and the fulcrum module 23 respectively. The support modules 1 are respectively provided with internal fixing bars 14 , and the c...
Embodiment 3
[0049] The adjustable conjunctival sac dilator includes two support modules 1 for expanding the conjunctival sac, the two support modules 1 are arranged oppositely, and the inner and outer surfaces of the two oppositely arranged support modules 1 have the inner and outer surfaces of the eyeball respectively. The concave spherical inner surface 11 and the convex spherical outer surface 12 conforming to the outer contour, the cross-sectional shape of the two support modules 1 and the shape of the two support modules 1 when the longitudinal sections meet are all crescent shapes. The diameter of the support module is 18mm.
[0050] The two opposite support modules 1 are fixed together by an adjusting device 2 for supporting and adjusting the distance between the two support modules 1 . The adjustment device 2 includes an adjustment shaft 21 with reverse threads at both ends and a cable-stayed adjustment rod 22 that is movably connected with the two support modules 1 . Both ends a...
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