| 摘要 |
An apparatus for monitoring an analyte comprises a urethral catheter ( 1 ), which has positioning means ( 13 ) for positioning the catheter within the urethra, and a sensor ( 19 ). In use the sensor ( 19 ) is held in close proximity to a urethral wall U, permitting monitoring of the analyte level in the urethral wall thereby providing information which may be useful in evaluation of the vita conditions of a patient.
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