Method of measuring intracranial pressure

Details Method of measuring intracranial pressure Method of measuring intracranial pressure

1998-04-10

1999-11-30

O'Connor, Cary

Surgery

Diagnostic testing

Measuring fluid pressure in body

600587, 600594, 600595, A61B 505

Patent

active

059933984

ABSTRACT:
A method and apparatus are provided for measuring intracranial pressure. The method includes the steps of measuring arterial inflow, venous outflow and cranial spinal fluid flow and calculating an intracranial volume change from the measured arterial inflow, venous outflow and cranial spinal fluid flow. The method also includes the steps of calculating a pressure gradient of spinal fluid flow from the measured cranial spinal fluid flow and calculating a pressure change per unit volume change based upon the calculated intracranial volume change and cranial pressure gradient.

REFERENCES:
patent: 4204547 (1980-05-01), Allocca
patent: 5388583 (1995-02-01), Ragauskas et al.
patent: 5617873 (1997-04-01), Yost et al.

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