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Selective brain and spinal cord hypothermia method and apparatus
Selective brain and spinal cord hypothermia method and apparatus
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机译:选择性脑脊髓低温治疗方法及装置
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摘要
The invention provides a method and apparatus for performing selective hypothermia to the brain and spinal cord for injury protection without the need for systemic cooling. A flexible catheter is inserted into the cerebral lateral ventricle or spinal subdural space. The catheter has three lumens with a heat transfer element. Two lumens of the catheter circulate a coolant and communicate at the distal heat transfer element for transfer of heat from the cerebrospinal fluid. The third lumen of the catheter allows for drainage of the cerebrospinal fluid. In another embodiment, the catheter has two lumens that circulate the coolant and communicate at the distal heat tranfer element. In another embodiment, a larger surface area cooling template is placed in the subdural space of the brain or the subdural/epidural space of the spine. The template has a conduit that circulates a coolant through the lumen of the template thereby cooling the surrounding brain or spinal cord.
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