IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0262680
(2002-09-30)
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발명자
/ 주소 |
- Briscoe,Kathleen E.
- Radons,Stephen W.
- Nygaard,Larry R.
- Sullivan,Joseph L.
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출원인 / 주소 |
- Medtronic Emergency Response Systems, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
24 인용 특허 :
200 |
초록
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In general, the disclosure presents techniques for control of a cooling garment in response to a signal that is a function of a patient parameter such as body temperature. In particular, a cooling garment that receives a coolant and a carrier gas is placed in contact with the body of a patient. A se
In general, the disclosure presents techniques for control of a cooling garment in response to a signal that is a function of a patient parameter such as body temperature. In particular, a cooling garment that receives a coolant and a carrier gas is placed in contact with the body of a patient. A sensor within the cooling garment may generate a signal as a function of a patient parameter. A controller receives the signal via communication link, and may send a signal to a regulator that may regulate delivery of the coolant and/or carrier gas, for example.
대표청구항
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The invention claimed is: 1. A system comprising: a cooling garment for contacting a portion of the body of a patient, and having a coolant and a carrier gas for delivery to the body of the patient; a sensor within the cooling garment; a warm air supply for delivering warm air to the patient; and a
The invention claimed is: 1. A system comprising: a cooling garment for contacting a portion of the body of a patient, and having a coolant and a carrier gas for delivery to the body of the patient; a sensor within the cooling garment; a warm air supply for delivering warm air to the patient; and a controller for controlling the cooling garment in response to a signal from the sensor and controlling delivery of the warm air. 2. The system of claim 1, wherein the controller controls delivery of at least one of the carrier gas and the coolant. 3. The system of claim 2, wherein controlling the delivery comprises controlling one of a temperature, a pressure, and a flow rate. 4. The system of claim 1, wherein the carrier gas is a mixture of more than one gas, and wherein the controller controls a mixing ratio of the carrier gas. 5. The system of claim 1, wherein the coolant is a mixture of more than one liquid, and wherein the controller controls a mixing ratio of the coolant. 6. The system of claim 1, wherein the cooling garment further comprises: a spacer for separating at least part of the cooling garment from the body defining a space; a coolant delivery conduit for delivering the coolant to the body in the space; a carrier gas intake port in the cooling garment for fluidly connecting the space to a carrier gas supply; and an exit port in the cooling garment for fluidly connecting the space to an exterior environment. 7. The system of claim 6, wherein the coolant delivery conduit includes apertures from which the coolant exits the coolant delivery conduit. 8. The system of claim 6, further comprising a carrier gas mover for circulating the carrier gas within the space. 9. The system of claim 8, wherein the controller controls the speed at which the carrier gas mover circulates the carrier gas. 10. The system of claim 8, wherein the carrier gas mover includes one of a fan, a pressurized gas supply, and a pump. 11. The system of claim 1, wherein the controller further comprises a processor for receiving the signal. 12. The system of claim 11, further comprising a communication link that relays the signal from the sensor to the processor. 13. The system of claim 12, wherein the communication link is one of an optical fiber link, a wireless link, and a wire link. 14. The system of claim 1, wherein the sensor includes one of an oxygen sensor, a carbon dioxide sensor, a velocity Doppler probe, an electrocardiogram (ECG) sensor, and an electroencephalograph (EEG) sensor. 15. The system of claim 1, wherein the cooling garment includes a headgear for contacting at least a portion of the head. 16. The system of claim 15, wherein the headgear further includes an inner and outer shell. 17. The system of claim 1, wherein the cooling garment includes a body gear for contacting at least a portion of the body. 18. The system of claim 17, wherein the body gear includes at least one of an upper body gear and a lower body gear. 19. The system of claim 18, wherein the upper body gear is adapted to cover at least a portion of the armpit of the body. 20. The system of claim 18, wherein the lower body gear is adapted to cover at least a portion of the groin of the body. 21. The system of claim 1, wherein the garment includes: a headgear for contacting at least a portion of the head; and a body gear for contacting at least a portion of the body. 22. The system of claim 21, wherein the controller controls the headgear independently from the body gear. 23. The system of claim 1, wherein the cooling garment includes: an inner shell configured to be proximate to a body part of the patient when in use, a space between the body part and the inner shell being an inner space; an outer shell surrounding the inner shell, a space between the outer shell and the inner shell being an outer space in fluid communication with the inner space; and an exit port for expelling the coolant in gaseous form and the carrier gas. 24. The system of claim 1, wherein the patient suffers from one of a brain injury, a stroke, and cardiac arrest. 25. A method comprising: delivering a carrier gas and a coolant to a cooling garment in contact with the body of a patient; generating a signal as a function of a patient parameter via a sensor within the cooling garment; and controlling the cooling garment in response to the generated signal, wherein controlling the cooling garment includes: operating the cooling garment to cool the patient at a first rate, and operating the cooling garment to cool the patient at a second rate in response to the generated signal, and wherein operating the cooling garment to cool the patient at a second rate in response to the generated signal includes operating the cooling garment to cool the patient at a second rate in response to a temperature of the patient falling below a frostbite temperature. 26. The method of claim 25, wherein the sensor is in contact with the body of the patient. 27. The method of claim 25, wherein the sensor is proximate to the body of the patient. 28. The method of claim 25, wherein the sensor includes one of a velocity Doppler probe, an electrocardiogram (ECG) sensor, and an electroencephalograph (EEG) sensor, an oxygen sensor, a carbon dioxide sensor, and a heart rate sensor. 29. The method of claim 25, further comprising relaying the signal to a processor via a communication link. 30. The method of claim 29, wherein the communication link relaying the signal is one of an optical fiber link, a wireless link, and a wire link. 31. The method of claim 30, wherein controlling the delivery comprises controlling one of a temperature, a pressure, a mixing ratio, and a flow rate. 32. The method of claim 29, further comprising controlling delivery of at least one of a coolant, a carrier gas, and a warm air supply. 33. The method of claim 25, wherein controlling the cooling apparatus further comprises: receiving a signal from a communication link; comparing the signal with a target value input by a user to determine whether the cooling garment is within an appropriate operating range; and sending a regulation signal to a regulator when the cooling garment is not within the appropriate operating range. 34. The method of claim 25, wherein the cooling garment includes a headgear and a body gear, and controlling the cooling garment includes controlling the headgear and body gear individually. 35. The method of claim 25, wherein the patient parameter is one of oxygen saturation levels, blood flow, heart rate, brain electrical action, end tidal carbon dioxide levels. 36. A system comprising: a coolant supply for supplying coolant to a cooling garment that contacts a portion of a body of a patient; a carrier gas supply for supplying carrier gas to the cooling garment; a warm air supply for supplying warm air to a body part of the patient when in use; and a regulator for regulating at least one of the coolant supply, the carrier gas supply and the warm air supply as a function of a patient parameter. 37. The system of claim 36, wherein the patient parameter includes one of oxygen saturation levels, blood flow, heart rate, brain electrical action, end tidal carbon dioxide levels. 38. The system of claim 36, wherein the regulator regulates at least one of a temperature, a pressure, a mixing ratio, and a flow rate of at least one of the coolant supply, the carrier gas supply, and the warm air supply. 39. The system of claim 36, wherein the cooling garment includes a headgear and a body gear. 40. The system of claim 36, further comprising a controller for receiving a signal as a function of a patient parameter, and sends a regulation signal to the regulator.
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