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    • 2. 发明申请
    • HIP JOINT DEVICE AND METHOD
    • HIP接口设备和方法
    • WO2011005212A1
    • 2011-01-13
    • PCT/SE2010/050831
    • 2010-07-12
    • MILUX HOLDING S.A.FORSELL, Peter
    • FORSELL, Peter
    • A61F2/32A61B17/16A61F2/34A61F2/36
    • A61F2/34A61F2002/3241A61F2002/3429A61F2002/343A61F2002/3475A61F2002/3477A61F2002/3485
    • A medical device for implantation in a hip joint of a patient is provided. The medical device is adapted to be fixated to the pelvic bone of the patient. The medical device comprises an inner and an outer surface, a contacting portion of the inner surface is spherical and adapted to face the center of the hip joint when said medical device is implanted, and said medical device is adapted to receive a caput femur or a prosthetic caput femur having a spherical portion. The medical device comprises at least one extending portion adapted to clasp the caput femur, or prosthetic caput femur, for restraining said caput femur, or prosthetic caput femur in said medical device. The medical device is adapted to release the caput femur or prosthetic caput femur from the medical device when a predetermined strain is placed on the medical device. The ability of the medical device to release the caput femur or prosthetic caput femur from the medical device when a predetermined strain is placed on the medical device reduces the risk that the prosthesis is loosened by an abnormal strain being placed on the hip joint from e.g. the patient falling or making a rapid movement of the hip.
    • 提供了用于植入患者的髋关节的医疗装置。 医疗装置适于固定在患者的骨盆骨上。 医疗装置包括内表面和外表面,当所述医疗装置被植入时,内表面的接触部分是球形的并且适于面向髋关节的中心,并且所述医疗装置适于接收头骨股骨或 具有球形部分的假肢头骨股骨。 所述医疗装置包括至少一个延伸部分,该延伸部分适于扣紧所述头骨股骨或假肢股骨,用于限制所述医疗装置中的所述头盖股骨或假肢股骨。 当医疗装置上放置预定的应变时,医疗装置适于从医疗装置释放头盖股骨或假肢股骨。 当将预定的应变放置在医疗装置上时,医疗装置从医疗装置释放头盖股骨或假肢股骨的能力降低了假体由例如放置在髋关节上的异常应变松动的风险。 患者摔倒或臀部快速运动。