Knee cavity implant for popliteal cyst

Abstract

The invention discloses a knee-joint cavity implant for treating popliteal cyst. The knee-joint cavity implant comprises a knee-joint cavity sealing sheet (12) and a stop sheet (16), wherein a through hole (14) is opened in the knee-joint cavity sealing sheet (12); the peripheral area of the stop sheet (16) is fixed on the knee-joint cavity sealing sheet (12), thus the stop sheet (16) is capable of shielding the through hole (14); moreover, a flow through hole (162) is opened in the junction of the peripheral area of the stop sheet (16) and the knee-joint cavity sealing sheet (12), thus the stop sheet (16) and the knee-joint cavity sealing sheet (12) are capable of forming a flow cavity (20). The knee-joint cavity implant above is capable of effectively improving the treatment effect on popliteal cyst.

Description

technical field [0001] The invention relates to a treatment device for popliteal cyst, in particular to a knee joint cavity implanter for treating popliteal cyst. Background technique [0002] Popliteal cysts can be divided into primary and secondary types, the former is common in children and adolescents, and the latter is common in adults. Among them, secondary popliteal cysts are generally accompanied by other diseases in the knee joint, and secondary popliteal cysts are generally connected to the articular cavity of the knee joint. The pathogenesis of the secondary popliteal cyst has not yet been determined, and the more widely accepted view is that it is unidirectional. "Valve Mechanism" for circulation, see figure 1 , that is, the disease in the knee joint causes joint exudation, which causes the knee joint cavity 80 to form an effusion, and flows from the knee joint cavity 80 to the popliteal cyst 90 in one direction, but cannot enter the knee joint cavity from the p...

AI Technical Summary

Problems solved by technology

Among them, secondary popliteal cysts are generally accompanied by other diseases in the knee joint, and secondary popliteal cysts are generally connected to the articular cavity of the knee joint. The pathogenesis of the secondary popliteal cyst has not yet been determined, and the more widely accepted view is that it is unidirectional. "Valve Mechanism" for circulation, see figure 1 , that is, the disease in the knee joint causes joint exudation, which causes the knee joint cavity 80 to form an effusion, and flows from the knee joint cavity 80 to the popliteal cyst 90 in one direction, but cannot enter the knee joint cavity from the popliteal cyst 90, resulting in popliteal Occurrence and persistence of pit cysts 90

[0003] The traditional method of treating popliteal cyst is direct surgical resection, so there is inevitably a certain recurrence rate, and the trauma is large

Another method is to open a channel connecting the popliteal cyst and the knee joint cavity through arthroscopic surgery, so that the fluid in the popliteal cyst can flow back into the joint cavity. However, the postoperative channel may be blocked again due to scar or adhesion, so Cause popliteal cyst recurrence and affect curative effect

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