[특허]Bubble detector

[미국특허] Bubble detector 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/16
출원번호	US-0103040 (1979-12-13)
발명자 / 주소	Zissimopoulos Nick (Schaumburg IL) Baron John (Wheeling IL)
출원인 / 주소	Baxter Travenol Laboratories, Inc. (Deerfield IL 02)
인용정보	피인용 횟수 : 52 인용 특허 : 2

초록 ▼

In a flow metering apparatus a bubble detector for detecting bubble formation in tubing subject to deformation from internal fluid pressure includes a light source and a light detector. The light detector is positioned on the opposite side of the tubing from the light source such that the light transmitted through the tubing to the detector is dependent on the presence of fluid in the tubing and on the shape of the lumen of the tubing. A control circuit responsive to the output of the detector interrupts operation of the metering apparatus when the light transmitted through the tubing falls below a predetermined minimum level. False interruptions resulting from deformation of the tubing by pressure changes in the fluid are prevented by forming members which engage the wall of the tubing adjacent the light source and light detector.

대표청구항 ▼

In a flow metering apparatus for controlling the flow of fluid through an administration set of the type having transparent tubing subject to deformation from internal fluid pressure, a bubble detector comprising, in combination: a light source arranged at one side of the tubing; a light detector generally arranged at the opposite side of the tubing opposite said light source and defining a light path through the tubing, said detector generating an output signal indicative of the intensity of light from said light source transmitted through the tubing, the intensity of said transmitted light being dependent on the presence of fluid within the lumen of the tubing and on the shape of the lumen between said source and said detector; control circuit means responsive to said output signal for interrupting operation of the flow metering apparatus upon the intensity of said transmitted light falling below a predetermined minimum level; and platen means comprising a pair of forming members engaging said tubing from opposite sides thereof about a substantial portion of the circumference of the tubing adjacent said light path for preventing deformation of the tubing and consequent changes in the intensity of said transmitted light with fluid pressure changes in the lumen of the tubing, at least one of said forming members being mounted for movement in a direction generally perpendicular to the axis of the tubing so as to be disengageable from the tubing to facilitate insertion or removal of the tubing from said platen means.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Burke George K. (Bethlehem PA) LeFevre Robert J. (Bethlehem PA) Thomas Robert E. (Wind Gap PA) Turner James W. (Bethlehem PA) Krohn Peter L. (Easton PA), Electrically controlled intravenous infusion set.
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Radimer Kenneth J. (Little Falls NJ) McCarthy Michael J. (Trenton NJ), Electrolytic production of sodium persulfate.
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이 특허를 인용한 특허 (52) 인용/피인용 타임라인 분석

Beck,Kent F.; Malmstrom,James A.; Miles,Scott D., Adaptor for feeding sets.
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Jeensalute Thipthep (Van Nuys CA) Chakkaw Somkiat (Van Nuys CA), Air bubble detecting and discriminating circuit arrangement and method.
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Stringham, Mark; Millis, Roger; Foley, John; Blaine, David, Air bubble detector.
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Stringham, Mark; Millis, Roger; Foley, John; Blaine, David, Air bubble detector.
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Stringham, Mark; Millis, Roger; Foley, John; Blaine, David, Air bubble detector.
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Ruchti, Timothy L.; Markey, Brian G.; Belkin, Anatoly S.; Kotnik, Paul T.; Khair, Mohammad M., Air detection system and method for detecting air in a pump of an infusion system.
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Meijer Robert (San Diego CA), Air-in-line detector.
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Butterfield, Robert D.; Farquhar, Allen B., Apparatus and method for air-in-line detection.
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Butterfield,Robert D.; Farquhar,Allen B., Apparatus and method for air-in-line detection.
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Spears,J. Richard; Crilly,Richard; Rydman,Ray; Gessert,James; Myrick,Steve, Apparatus for oxygenating wastewater.
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Watanabe Yoshio (Hitachi JPX) Taki Mamoru (Oomiya JPX) Miura Junkichi (Hitachi JPX) Kamahori Masao (Hitachi JPX) Miyagi Hiroyuki (Kokubunji JPX) Matsumura Yasuhide (Hachiouji JPX) Kanetomo Masafumi (, Autosampler with a means for detecting air bubble in specimen.
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Cassidy,David E.; May,Eric; Bucchianeri,Richard, Capacitor-based gas detection in an intravenous fluid delivery system.
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Subramaniam, Raj; Sparks, Kurt D., Catheter system including an embolism protection device.
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Seethaler,Bernd Franz, Device and method for checking the level of moving transparent containers.
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Miodownik Saul (Bronx NY), Discontinuity detector.
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Zeitz Vernon (Springfield VT), Electro-optical fluid detector.
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Spani Wayne M. (San Diego CA), Empty container detector.
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Spani Wayne M. (San Diego CA), Empty container detector with drop sensor.
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Beck, Kent F.; Malmstrom, James A.; Miles, Scott D., Feeding set adaptor.
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Lewis, Thomas G.; Byrd, William J.; Hudson, Joseph A., Fluid detection in an enteral feeding set.
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Lewis, Thomas G.; Byrd, William J.; Hudson, Joseph A., Fluid detection in an enteral feeding set.
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Giebler Fritz,DEX, Infusion hose for an infusion device with a bubble detector.
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Mosteller Thomas F. (Lansdale PA), Infusion monitoring apparatus.
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Oruklu, Meriyan; Ruchti, Timothy L.; Kotnik, Paul T.; Belkin, Anatoly S., Infusion system which utilizes one or more sensors and additional information to make an air determination regarding the infusion system.
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Battiato Dane J. ; Wagner Gary S. ; Verdino Steve P. ; Bergen Robert G. ; Knipfer James E. ; Jacobs Pamela K. ; Staats Peter F. ; Minnich John N. ; Neer Charles S. ; Goethel James H., Medical fluid injector.
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Battiato Dane J. ; Wagner Gary S. ; Verdino Steve P. ; Bergen Robert G. ; Knipfer James E. ; Jacobs Pamela K. ; Staats Peter F. ; Minnich John N. ; Neer Charles S. ; Goethel James H. ; Stern Mitchell, Medical fluid injector.
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Neer Charles S. ; Minnich John N., Medical fluid injector having face plate with magnetic conductors.
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Knipfer James E. ; Stern Mitchell G., Medical fluid injector having watchdog circuit.
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Kramer Donald L. (Indian Harbor Springs FL), Method and apparatus for detecting bubbles in a liquid.
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Kleinschmitt David, Method and apparatus for detecting liquid and gas segment flow through a tube.
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Ash Stephen R. (Lafayette IN) Echard Terrance G. (West Lafayette IN), Method and apparatus for determining a rate of flow of blood for an extracorporeal blood therapy instrument.
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Riley, Timothy A.; Stringham, Mark D.; Blaine, David H.; Crandall, Frank A.; Eggers, Philip N., Method for making and using an air bubble detector.
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Spears,J. Richard; Crilly,Richard; Rydman,Ray; Gessert,James; Myrick,Steve, Method for oxygenating wastewater.
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Riley, Timothy A.; Stringham, Mark D.; Blaine, David H.; Crandall, Frank A.; Eggers, Philip N., Method of making a universal bubble detector.
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Crouse Ronald J. (McKinney TX) Lauer Norris A. (Mesquite TX) Pinto David A. (Frisco TX), Monitor for detecting tube position and air bubbles in tube.
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Schleicher John K. (Borden IN) James ; Sr. James R. (Clarksville IN), Movable fluid dispenser with air bubble detectors for controlling dispenser movement.
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Oruklu, Meriyan; Ruchti, Timothy L.; Kotnik, Paul T.; Belkin, Anatoly S.; Markey, Brian G., Multi-sensor infusion system for detecting air or an occlusion in the infusion system.
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Buijs,Henry; Chabot,Paul; Dion,Sylvain; Turcotte,Benoit, On-line optical analysis of a substance through a conduit section of a process line.
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Malmstrom, James A.; Beck, Kent F.; Miles, Scott D., Optical bubble detection system.
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Malmstrom, James A.; Beck, Kent F.; Miles, Scott D., Optical bubble detection system.
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Christopher R. Clare, Optical fluid sensor.
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Tokhtuev, Eugene; Owen, Christopher J.; Skirda, Anatoly; Slobodyan, Viktor; Christensen, William M.; Schilling, Paul; Erickson, Joseph P., Optical product detection sensor.
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Doms Lutz, Read head for luminometer.
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Pasqualucci Joseph ; Schweitzer Frederick F., Safety interlock system for medical fluid pumps.
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Griffiths, Steve; Clare, Christopher R., Surgical fluid management system with a dampening chamber.
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Clare,Christopher R.; Griffiths,Steve, Surgical fluid management system with suction control.
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Ruchti, Timothy L.; Khair, Mohammad M., System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy.
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Hills, Chris, Ultrasonic air and fluid detector.
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Crandall, Frank Anthony; Allen, Blake; Stringham, Mark; Luis, Joseph; Jovic, Olga; Blaine, David, Ultrasonic instrument using langevin type transducers to create transverse motion.
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Riley, Timothy A.; Stringham, Mark D.; Blaine, David H.; Crandall, Frank A.; Eggers, Philip N., Universal air bubble detector.
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Riley, Timothy A.; Stringham, Mark D.; Blaine, David H.; Crandall, Frank A.; Eggers, Philip N., Universal air bubble detector.
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Riley, Timothy A.; Stringham, Mark D.; Blaine, David H.; Crandall, Frank A.; Eggers, Philip N., Universal air bubble detector.
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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

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[미국특허] Bubble detector 원문보기