Beside the commonly used application of microchip-based intracranial pressure probes in case of acute head injuries (e.g. traumatic brain injury) or intracranial hemorrhage some clinical pictures or methods of treatment can afford a long-term ICP measurement.
Special indications can be for instance the monitoring of hydrocephalus diseases (permanent pressure increase caused by overproduced or dammed cereprospinal fluid) or evaluation of the shunt valves used for hydrocephalus treatment.
The reason why conventional micro-chip catheters are inappropriate with these applications is their wired design. Firstly even with up to date bolt-applications an exponential increase of the risk for infection via the open access to the brain cannot be prevented. Secondly the fact that the patient is tied to his bed is a major disadvantage for evaluating hydrocephalus symptoms.
The gap of a user-demanded wireless ICP measurement is now closed in the form of the first CE-approved Transdermal Telemetry System by RAUMEDIC®.
Thereby RAUMEDIC® counts on the worldwide approved RFID-principle (Radio-Frequency Identification) as an alternative to the wired data transfer. Therefore a fully implantable ICP-measurement probe, the NEUROVENT-P- (parenchymal) or S-tel (subdural), is placed under the scalp on top of the skull. With the help of a reader-unit, the TDT1 readP, the physician can now measure the intracranial pressure of the patient throughout the intact scalp. For displaying and storing the ICP-values the RAUMEDIC® Datalogger MPR1 is used.
Beside the natural barrier against infections which is guaranteed by the intact scalp the patient remains mobile all the time. This allows a completely new form of ICP-monitoring during patient's movement.
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