| 摘要 |
A heart valve prosthesis (HV) with internal microelectronic circuit for monitoring the movement of the valve leaflets and an external electronic system for telemetric monitoring of such a sensorized heart valve prosthesis. Said heart valve prosthesis (HV) comprises two or more electrodes (4, 104, 5, 105) set in the annular base body (1, 101) of the prosthesis (HV) itself, and comprises an internal microelectronic circuit (6) with means for generating an electrical field (7) between said electrodes. The field lines are oriented so as to interfere with the opening and closing movement of the movable elements of said heart valve. The cyclic movement of opening or closing of said leaflets or of said movable elements will be expressed as variations of intravalvular electrical impedance (AZ). The device comprises a transceiver unit (12) with corresponding antenna (13) for telemetric transmission of the data. |
