[특허]System and method for leak detection in external cooling pad

System and method for leak detection in external cooling pad 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-007/08
출원번호	US-0771226 (2013-02-20)
등록번호	US-8696723 (2014-04-15)
발명자 / 주소	Stelea, Stelica Kimball, David Searl Shimada, Lynn Miyeko Collins, Kenneth A. Palmer, Grant
출원인 / 주소	Zoll Circulation, Inc.
대리인 / 주소	Rogitz, John L.
인용정보	피인용 횟수 : 0 인용 특허 : 185

초록 ▼

An externally-applied heat exchange pad has three layers laminated together, an inner and outer non-conductive layer and a middle conductive layer. A leak in the inner layer causes coolant to contact the middle layer and change impedance, which can be sensed and used as an indication of an impending

대표청구항 ▼

1. A method for providing an alarm condition in a heat exchange pad engageable with the exterior of a patient and having at least a middle layer disposed between an outer layer and an inner layer, comprising: receiving a composite signal representing an impedance of the pad, the act of receiving including receiving a first signal from a first electrode in electrical contact with a middle layer of the pad and receiving a second signal from a second electrode disposed inside the inner layer or outside the outer layer, the first and second signals establishing the composite signal; andresponsive to the composite signal satisfying a threshold, activating an alarm. 2. A system for detecting a leak condition in a heat exchange pad, comprising: an impedance detector;a heat exchange system; anda heat exchange pad positionable against a patient to exchange heat therewith, the impedance detector communicating with at least a portion of the heat exchange pad, the heat exchange system supplying fluid to the heat exchange pad;wherein the pad includes an envelope defined by an outer non-conducting layer, an inner non-conducting layer, and a middle conducting layer sandwiched therebetween, the middle conducting layer being electrically connected to the impedance detector to provide signals thereto. 3. The system of claim 2, wherein in the event of a rupture in the outer layer, a substance from outside the pad contacts the middle layer to establish a change in impedance that is sensed by the impedance detector, the impedance detector configured for generating an output signal responsive to the substance contacting the middle layer. 4. The system of claim 3, wherein the impedance detector uses an impedance between the middle layer and the substance as an indication as to whether a leak exists. 5. The system of claim 4, wherein the impedance detector correlates a drop in impedance to a leak in the outer layer. 6. The system of claim 5, wherein the correlation by the impedance detector causes an alert on the impedance detector to be activated indicating a rupture has occurred. 7. The system of claim 3, wherein the impedance detector is configured for indicating a change in impedance sensed by the impedance detector to cause an alert to be activated indicating a rupture has occurred. 8. The system of claim 7, wherein the alert is an audible alarm. 9. The system of claim 7, wherein the alert is a visual alert. 10. The system of claim 7, wherein the alert includes both an audible alarm and a visual alert. 11. The system of claim 3, wherein the substance is a gel and/or liquid. 12. The system of claim 11, wherein the substance is interposed between the pad and the skin of the patient. 13. The system of claim 2, wherein the inner layer is made of the same material as the outer layer. 14. The system of claim 2, wherein the middle layer is made of foil. 15. The system of claim 2, wherein the middle layer is made of plastic impregnated with conductive material. 16. The system of claim 2, wherein the layers are laminated together. 17. The system of claim 2, wherein the impedance detector system is included on a patient temperature control system engaged with the pad to circulate coolant therethrough to establish a desired temperature. 18. The system of claim 2, wherein the pad is electrically connected to the impedance detector through plural leads.

이 특허에 인용된 특허 (185)

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Bleam, Jefferey C.; Tsai, George, Valved connector assembly and sterility barriers for heat exchange catheters and other closed loop catheters.
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Ginsburg Robert (2489 Alpine Rd. Menlo Park CA 94025) Profitt David F. (1154 Madison Santa Clara CA 95050), Vascular catheter.
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Eckler Paul E. (2705 Hulman St. Terre Haute IN 47803) Hunt Richard B. (1312 Jessamine Rd. Dade City FL 33525), Warming devices and method using a material with a solid-solid phase change.
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Yamada Takayuki,JPX ; Rokutani Hiroshi,JPX ; Inoue Nori,JPX ; Saka Yuuji,JPX ; Onizuka Takahiro,JPX ; Oka Yoshito,JPX, Wiring circuit for an electrical connection box, method and apparatus for forming the wiring circuit.
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Augustine Scott D., Wound treatment apparatus for normothermic treatment of wounds.
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Ward Kevin R. (Columbus OH) Brown Charles G. (Columbus OH) Dzwonczyk Roger R. (Columbus OH), .
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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)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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System and method for leak detection in external cooling pad 원문보기

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System and method for leak detection in external cooling pad 원문보기

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