Apparatus for the exchange of cerebrospinal fluid and a method of treating brain and spinal cord injuries
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United States of America Patent
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Feb 27, 1990
Grant Date -
N/A
app pub date -
May 16, 1988
filing date -
May 16, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is an apparatus and method for exchanging cerebrospinal fluid. The apparatus withdraws cerebrospinal fluid from the lumbar subarachnoid space, filters, cools, pH adjusts and performs diagnostic/monitoring functions on the fluid. It then returns purified and/or artificial spinal fluid to the subarachnoid space. The apparatus monitors fluid temperature and core body temperature. Furthermore, it detects increased subarachnoid hemorrhage or repeat subarachnoid hemorrhage. The apparatus is attached to an indwelling spinal cannula, and can continually exchange cerebrospinal fluid and monitor the patient. The apparatus can be completely controlled by computer with technician supervision for the treatment of patients needing purification of their spinal fluid.
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