Medical device, namely, in-line telemetric sensor for use with hydrocephalus valve; medical device, namely, implantable intracranial pressure sensor and valve for treatment of hydrocephalus; medical device for treating hydrocephalus; medical device comprising an implant with a pressure sensor to monitor intracranial pressure, an external reader that captures pressure data from the implant, and a cloud software platform that stores the data for reporting; medical instruments and devices for diagnostic and treatment purposes, namely, shunt valves, implantable patient monitoring sensors, catheters, systems for telemedical transport of patient data out of a patient's body to a responder comprised of a medical parameter sensor, a data storage device and a data transmitter; medical equipment and components in the field of neurosurgery and hydrocephalus disease, namely, shunt systems comprised of catheter, medical connectors for connection of the shunt valve to the catheter system, and patient monitoring sensors for measuring intracranial pressure, and telemetry components; implantable wireless patient parameter sensors and associated powering and communicating devices for patient parameter data transmission and storage; precision sensors for medical use; devices for measuring intracranial pressure; intracranial pressure measuring apparatus; pressure microsensor catheters