Knee joint prosthesis and knee joint liner system
A knee joint and liner technology, applied in the field of knee joint prosthesis and its knee joint liner system, can solve the problems of recovery effect to be evaluated, high cost, etc., achieve shock absorption and elastic support, and better approach Effects of natural knee joint, medial and lateral pressure balance and soft tissue balance
Pending Publication Date: 2019-12-24
WUHAN DRAGONBIO ORTHOPEDIC PROD
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Problems solved by technology
[0003] In recent years, although some companies have launched intraoperative knee joint force feedback liners, they have not been widely accepted due to the high cost; and the balance state of the supine position during the operation does not necessarily mean that the balance state can be achieved under postoperative physiological activities , and its postoperative recovery effect is yet to be evaluated
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Embodiment Construction
[0019] The present invention discloses a knee pad system to achieve a balanced state under physiological activities. The invention also provides a knee joint prosthesis.
[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] Please refer to figure 1 and figure 2 As shown, the embodiment of the present invention provides a knee pad system, including a meniscus 1 , an elastic structure 2 and a tibial plateau 3 . An accommodating cavity for accommodating the elastic structure 2 is formed between the meni...
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The invention discloses a knee joint prosthesis and a knee joint liner system. The knee joint liner system comprises a meniscus and a tibial platform and further comprises an elastic structure, and anaccommodating cavity used for accommodating the elastic structure is formed between the meniscus and the tibial platform; and the elastic structure comprises a flowing part capable of moving in the direction of the inner side and the outer side of a knee joint, and a fluid medium or a flowing solid medium serves as the flowing part. The knee joint liner system provided by the invention can reachthe balancing state under physiological activity, that is, the difficulty problems of balance of inner side pressure and outer side pressure of the knee joint and soft tissue balance can be effectively solved, meanwhile, an impact load can be borne, and the effect of more approaching to the natural knee joint is achieved.
Description
technical field [0001] The invention relates to the technical field of knee joint implants, in particular to a knee joint prosthesis and a knee joint liner system thereof. Background technique [0002] Total knee arthroplasty began in the 1970s and has now developed into a routine operation. It is mainly used to restore the line of lower limbs, and to achieve pressure balance on the inner and outer sides of the knee joint and tension balance on the surrounding soft tissues. Thanks to the improvement of surgical tools such as osteotomy and the development of navigation technology, the restoration of the lower limb force line can be accurately handled, but the problem of soft tissue balance can only rely on the doctor's surgical experience. [0003] In recent years, although some companies have launched intraoperative knee joint force feedback liners, they have not been widely accepted due to the high cost; and the balance state of the supine position during the operation does...
Claims
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Patent Timeline
Login to View More IPC IPC(8): A61F2/38A61F2/30
CPCA61F2/30721A61F2/3886A61F2/389A61F2002/30383A61F2002/30733
Inventor 石杜芳陈夕辉黄朋李健
Owner WUHAN DRAGONBIO ORTHOPEDIC PROD