System for cooling and pressurizing fluid

摘要

A pump for delivering a fluid, created by cooling and pressurizing a fluid, into the intrathecal space of a patient, the pump comprising an input channel, an input reservoir in fluid communication with the input channel, a cooling apparatus configured to remove heat from the fluid and a pressurizing mechanism configured to impart pressure to the fluid, an output reservoir, and an output channel, and wherein the output channel is configured to be in fluid communication with a first lumen of a catheter and wherein the first lumen of the catheter is configured to be disposed within the intrathecal space of the patient.

主权项

1. A system for treating or preventing damage to a patient's central nervous system, the system comprising:
a catheter comprising at least a first lumen and a second lumen, wherein the first lumen comprises a proximal end having at least one inflow portal and a distal end having at least one outflow portal, and wherein the second lumen comprises a proximal end and a distal end and a sidewall extending between the proximal end and the distal end, the sidewall having at least one side portal providing fluid communication between an outer surface of the sidewall and an inner surface of the sidewall, and the proximal end of the second lumen having at least one outflow portal, and a first pressure sensor at or around at least one of the side portals; and a single pump comprising at least one input channel, an input reservoir in fluid communication with said at least one input channel, a cooling apparatus configured to remove heat from a fluid, a pressurizing mechanism configured to augment pressure of the fluid beyond the physiologic range so that the pressurized fluid is intended to move from the intrathecal space of the spine to the intracranial compartment of brain, an output reservoir, and an output channel comprising a second pressure sensor; and wherein the single pump is configured to cool a fluid, increase the pressure of the fluid to a pressure that is greater than a pressure of the patient's native cerebral spinal fluid to create a pressurized fluid, and deliver the pressurized fluid to the body of the patient.