IMPLANTABLE INTRACRANIAL AND CEREBROSPINAL FLUID PRESSURE MONITOR

摘要

The present invention relates to a completely implantable intracranial pressure monitor (10), which can couple to existing fluid shunting systems (35) as well as other internal monitoring probes. The implant sensor produce s an analog data signal which is then converted by electronic means to a digit al pulse by generation of a spreading code signal and then transmitted to a location outside the patient by means of a radio-frequency transmitter (15) to an external receiver (44). The implanted device can receive power from an internal source (16) as well as an inductive external source (50). Remote control of the implant is also provided by a control receiver (60) which passes commands from an external source to the implant system logic. Alarm parameters can be programmed into the device which are capable of producing an audible or visual alarm signal. The utility of the monitor can be greatly expanded by using multiple pressure sensors simultaneously or by combining sensors of various physiological types.