一种股动脉术后膝关节单向阻尼活动装置
By using a unidirectional damping motion device for the knee joint after femoral artery surgery, the ratchet spring and ratchet structure are used to compensate for the tendency of gravity. Combined with electromagnetic plates and permanent magnet plates to adjust the damping force, the problem of wound traction and increased damping force in knee joint training after femoral artery surgery is solved, and safe and comprehensive recovery training is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NANFANG HOSPITAL OF SOUTHERN MEDICAL UNIV
- Filing Date
- 2026-05-22
- Publication Date
- 2026-07-17
AI Technical Summary
When existing knee joint mobility training devices are used after femoral artery surgery, the extension of the knee will cause traction on the femoral artery wound in the groin due to gravity, and the flexion of the knee will require counteracting the damping force, which will increase the tension on the vascular incision and is not conducive to postoperative recovery.
A unidirectional damping motion device for the knee joint after femoral artery surgery was designed. It utilizes a ratchet spring and ratchet structure to achieve unidirectional damping, compensating for gravity tendencies during knee extension and providing no damping force during knee flexion. The damping force is adjusted by the cooperation of an electromagnetic plate and a permanent magnet plate to adapt to the training needs of different recovery stages.
It enables gentle training during knee extension to avoid wound traction, and eliminates the need for counter-damping forces during knee flexion, making it suitable for postoperative recovery training. It offers comprehensive functionality and improved safety and applicability.
Smart Images
Figure CN122398567A_ABST