Lisfrance joint injury fusion plate

Abstract

The invention relates to the field of medical devices, in particular a Lisfrance joint injury fusion plate. The fusion plate comprises a first tarsometatarsal joint plate, a second tarsometatarsal joint plate and a first transition plate for connecting the first tarsometatarsal joint plate and second tarsometatarsal joint plate; and the fusion plate provided with a plurality of fixing holes for fixing the fusion plate on a first metatarsal bone, an inner cuneiform bone, a second metatarsal bone and an intermediate cuneiform bone. The Lisfrance joint injury fusion plate has dissection-type design; in an operation, the fusion plate is not required to be pre-bent, the operation time is saved, and the bending influence on the plate strength; the close-end fixing holes of the first tarsometatarsal joint plate and the second tarsometatarsal joint plate have strong holding force for the inner cuneiform bone and the intermediate cuneiform bone; the curvature of human anatomy of Asian people is fully taken in to consideration of the design of the plates and bolts; and the fusion of multiple joint surfaces is conductive to arch anatomy reconstruction, excellent stability for joint fusion is provided, and the fixing effect of the fusion plate is further improved.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a Lisfrance joint injury fusion plate. Background technique [0002] The Lisfrance joint, or metatarsal joint, is the joint between the forefoot and midfoot. That is, the joints formed by the bases of the first, second, and third metatarsals and the corresponding cuneiform bones, and the joints formed by the bases of the fourth and fifth metatarsals and the cuboid. The metatarsal joints are involved in the formation of the medial longitudinal arch (the first metatarsal and the medial cuneiform), the lateral longitudinal arch (the fifth metatarsal and the cuboid) and the middle transverse arch (the medial and lateral cuneiform and the cuboid), which play an important role in maintaining the normal shape of the foot. important role. Lisfranc joint injury is a fracture-dislocation of the metatarsal joint, which is a generalized intra-articular injury. [0003] At present, open ...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in order to solve the problem of poor stability and strength of the first and second sequences of Lisfrance joint injury fixation, the present invention provides a Lisfrance joint injury fusion plate, which is respectively The first metatarsal wedge joint plate and the second metatarsal wedge joint plate are used to fix the bones of each part to form an overall fixed mechanism, which effectively solves the problem of stability and strength of fixation

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