Intracranial pressure monitoring probe

Details Intracranial pressure monitoring probe Intracranial pressure monitoring probe

1984-05-08

1986-07-15

Coven, Edward M.

Surgery

Truss

Pad

A61B 500

Patent

active

046000135

ABSTRACT:
A probe for enabling intracranial pressure in the subarachnoid space to be determined is inserted through an opening in the scalp, into and through the outer table, diploe and inner table of the skull and dura mater and arachnoid into the subarachnoid space. The probe comprises a threaded shaft having a lumen communicating with openings at the end of the shaft into the subarachnoid space so that the fluid is coupled into and through the shaft openings into the shaft bore and the pressure of the fluid can be coupled then to a pressure transducer. The threaded portion of the shaft has a length sufficient to threadingly engage the outer table, the diploe and the inner table. A lock nut threadingly engages the threaded portion and is dimensioned to fit into the scalp opening to bear against the hard outer table. The shaft threads engaging the outer and inner tables and the diploe cooperate with the lock nut to securely hold the shaft in place.

REFERENCES:
patent: 4062354 (1977-12-01), Taylor et al.
patent: 4246908 (1981-01-01), Inagahi et al.
"PMS Philadelphia Medical Specialties, Inc."
"Intracranial Subarachnoid Pressure Monitoring in Children", James et al., vol. 3, Surg. Nevrol., Jun. 1975, pp. 313-315.
"Methodology for Intraventricular and Subarachnoid Continuous Recording of Intracranial Pressure in Clinical Practice", ACTA Neurothirurgiea, vol. 33, pp. 45-51 (1976).
"Radionics.RTM. Neurosurgical Instruments" Advertisement.
"Assessment of Leeds Device for Monitoring Intracranial Pressure", Dearden et al., J. Neurosurg., vol. 60, pp. 123-129, Jan. 1984.
"A Clinical Comparison of Subdural Screw Pressure Measurements with Ventricular Pressure", Mendelow et al., vol. 58, J. Neurosurg. pp. 45-50, Jan., 1983.
Codman Catalog No. 80-1182, p. 271.
"A Subarachnoid Screw for Monitoring Intracranial Pressure", Vries et al., J. Neurosurg., vol. 39, Sep. 1973, pp. 416-419.
"Modification of the Richmond Subarachnoid Screw for Monitoring Intracranial Pressure"; J. Neurosurg., vol. 60, pp. 1102-1103, May, 1984.

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