Toe joint prosthesis with low osteotomy amount
A toe joint and osteotomy technology, which is applied in the field of toe joint prosthesis, can solve the problems of component prolapse risk, weak anti-rotation ability, and easy prolapse of gaskets, so as to enhance anti-rotation performance, reduce enterprise processing costs, and reduce surgical operations effect of difficulty
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Embodiment 1
[0027] Please refer to the attached Figure 1-2 , the purpose of this embodiment is to provide a toe joint prosthesis with low osteotomy, including: metatarsal platform 7 and phalanx platform 8, wherein the metatarsal platform 7 and phalanx platform 8 can be relatively rotated to assist in the completion of the operation , the two articular surfaces of the two platforms are designed to fit their respective bone articular surfaces, and can be used alone on one of the two bone articular surfaces of the metatarsophalangeal joint during surgery depending on the situation.
[0028] Specifically, a spacer 3 is provided between the metatarsal platform 7 and the phalanx platform 8, and a spacer 3 and a phalanx platform 8 are provided with a limiting structure; the spacer 3 and the phalanx platform 8 are fixedly connected by the spacer 3, and the spacer structure is A circle of grooves with rounded corners, wherein the grooves cooperate with the raised structure of the phalanx platform...
Embodiment 2
[0034] Please refer to the attached Figure 1-2 , the purpose of this embodiment is to provide a toe joint prosthesis with low osteotomy, including: metatarsal platform 7 and phalanx platform 8, wherein the metatarsal platform 7 and phalanx platform 8 can be relatively rotated to assist in the completion of the operation , the two articular surfaces of the two platforms are designed to fit their respective bone articular surfaces, and can be used alone on one of the two bone articular surfaces of the metatarsophalangeal joint during surgery depending on the situation.
[0035] Specifically, a spacer 3 is arranged between the metatarsal platform 7 and the phalanx platform 8, and a limiting structure is arranged between the spacer 3 and the metatarsal platform 7; the spacer 3 and the metatarsal platform 7 are fixedly connected by the spacer 3, and the spacer structure is There are two circles of grooves with rounded corners, wherein the grooves cooperate with the raised structur...
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