[특허]Method and system for control of a patient's body temperature by way of a transluminally insertable heat exchange catheter

Method and system for control of a patient's body temperature by way of a transluminally insertable heat exchange catheter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-007/00 A61F-007/12 A61M-025/10 A61B-017/00 A61B-017/22 A61F-007/10
출원번호	US-0164648 (2011-06-20)
등록번호	US-10085880 (2018-10-02)
발명자 / 주소	Machold, Timothy R. Keller, Wade A. Roth, Alex T. Bloom, Nicole Denise
출원인 / 주소	Zell Circulation, Inc.
대리인 / 주소	Fitzgerald IP Law
인용정보	피인용 횟수 : 0 인용 특허 : 127

초록 ▼

Methods and apparatuses for temperature modification of a patient, or selected regions thereof, including an induced state of hypothermia. The temperature modification is accomplished using an in-dwelling heat exchange catheter within which a fluid heat exchange medium circulates. A heat exchange cassette of any one of several disclosed variations is attached to the circulatory conduits of the catheter, the heat exchange cassette being sized to engage a cavity within one of various described re-usable control units. The control units include a heater/cooler device, a user input device, and a processor connected to receive input from various sensors around the body and the system. The heater/cooler device may be thermoelectric to enable both heating and 15″ cooling based on polarity. A temperature control scheme for ramping the body temperature up or down without overshoot is provided. The disposable heat exchange cassettes may include an integral pump head that engages with a pump drive mechanism within the re-usable control unit. More than one control unit may be provided to receive the same heat exchange cassette so that, for example, a large capacity control unit can be used initially, and a smaller, battery-powered unit can be substituted once the patient reaches the desired target temperature.

대표청구항 ▼

1. A system for controlling the rate of change of a patient's body temperature using a heat transfer catheter and associated controller, comprising: a heat transfer catheter for insertion into a body cavity, the heat transfer catheter having a heat transfer region disposed thereon and in fluid communication with a heat exchange unit having a pump head having a toothed head gear;a sensor for sensing the patient's body temperature, the sensor providing a signal representative of the patient's body temperature;a housing configured to removably receive the heat exchange unit, the housing including a pump motor and a toothed drive gear actuated by the pump motor, the teeth of the drive gear being engaged with the teeth of the head gear of the heat exchange unit only when the heat exchange unit is received by the housing;an input for selecting a target temperature of the patient;a controller in communication with the input to receive the inputted target temperature, and also in communication with the sensor to receive the signal representative of the patient's body temperature, the controller also in communication with the heat transfer catheter via fluid conduits, the controller being adapted to increase or decrease the amount of heat being added to or removed from the body cavity by the heat transfer catheter in response to the signal received from the sensor, the controller configured to select a ramp rate equal to a selected time rate of change of temperature from the sensed patient's body temperature to the target temperature, to monitor the temperature differential between the target temperature and the body temperature, to sample the sensor signal and monitor the temperature differential at a rate of multiple times per minute, and to control the ramp rate by adjusting the speed of a fluid circulating through the heat transfer catheter by adjusting the speed of the motor in accordance with the monitored temperature differential as the patient's body temperature approaches the target temperature. 2. The system of claim 1, wherein the heat transfer catheter and conduits define a fluid circulation path therethrough. 3. The system of claim 1, further comprising a sensor for directly or indirectly sensing the temperature of the circulating fluid. 4. The system of claim 3, wherein the controller is further configured to compare the target temperature and the temperature of the circulating fluid and to use the comparison to adjust the temperature of the circulating fluid. 5. The system of claim 1, wherein the controller includes a microprocessor. 6. The system of claim 1, further comprising an input for inputting a selected ramp rate. 7. The system of claim 1, wherein the heat exchange unit is a cassette.

이 특허에 인용된 특허 (127)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Method and system for control of a patient's body temperature by way of a transluminally insertable heat exchange catheter 원문보기

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Method and system for control of a patient's body temperature by way of a transluminally insertable heat exchange catheter 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (127)

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