Cerebrospinal fluid bypass for hydrocephalus treatment

摘要

A cerebrospinal fluid (CSF) shunt (201,301) for the treatment of hydrocephalus, comprising a valve (202,302,401) that has an inlet port (203,303,402) and an outlet port (206,306,404) whose ports are for draining CSF and a control port (209,309,410) to regulate CSF drainage through the valve, and characterized in that it also comprises a hydrostatic pressure device that connects to the control port, which comprises a liquid-filled compensation catheter (210,310) that defines a column of liquid to create a hydrostatic pressure that depends on the position of the patient's body, where a first end of said catheter, which defines a first end of the column of liquid, is connected to the control port and a second end of said catheter, which defines a second end of the liquid column, wherein the second end comprises a hydrostatic pressure transmitting means for exposure to ambient pressure .