[특허]Method of injection controlled by an infusion pump

Method of injection controlled by an infusion pump 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/00 A61M-005/172
출원번호	US-0669297 (1996-08-30)
우선권정보	FR-0016022 (1993-12-29)
국제출원번호	PCT/FR94/01549 (1994-12-28)
§371/§102 date	19960830 (19960830)
국제공개번호	WO-9517914 (1995-07-06)
발명자 / 주소	Viallet Fabien (Vence FRX)
출원인 / 주소	Zambon Group SPA (Bresso-Milan ITX 03)
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

Method for the controlled injection of a liquid in a tube by means of a peristaltic type pump actuated by a rotary d.c. motor (12) controlled by a control unit (10) such as a microprocessor, wherein an optical encoder (18) sends pulses to said control unit (10) during the intermittent operation of the motor. The method comprises operating the motor for period corresponding to a number of pulses equal to a set value. For each operating phase of the motor (12), equal to a predetermined number of pulses, the set value is reduced by the number of pulses transmitted during the preceding deceleration phase when the power supply is interrupted. The resulting error in the level of the volume of liquid to be injected thus remains approximately constant for the entire length of the injection period. The method according to the invention may be advantageously used in a programmable portable infusion system.

대표청구항 ▼

A method for injecting a relatively large quantity of a liquid into a tube of an injection system, said injection system having: a source of said liquid; a pump connected to said source of liquid and to said tube for supplying liquid under pressure to said tube and thereby injecting said liquid from said source of liquid into said tube; an energizable rotary motor connected to actuate said pump; a coder connected to said motor and providing a serial pulse output that is responsive to an angle through which said motor rotates; said motor operating to inject said relatively large quantity of liquid into said tube by way of a summation of a plurality of relatively small quantities of said liquid that are injected into said tube as a result of a like plurality of energization phases of said motor; each of said plurality of motor energization phases comprising, a motor acceleration interval that is responsive to energization of said motor by said control unit; a motor nominal speed interval that follows said motor acceleration interval and is responsive to continued energization of said motor by said control unit; and a motor deceleration interval that follows said motor nominal speed interval and that is responsive to deenergization of said motor by said control unit, each of said relatively small quantities of said liquid being a function of an angle through which said pump rotates during a said energization phase that comprises a said acceleration interval, a said nominal speed interval, and a said deceleration interval; said method comprising the steps of, providing an initial pulse warning value; energizing said motor; counting first pulses within said serial pulse output of said coder during a time interval of motor energization by said step of energizing said motor; comparing said counted pulses to said initial pulse warning value; deenergizing said motor when said counted first pulses are equal in number to said initial pulse warning value; counting second pulses within said serial pulse output of said coder during a time interval during which said motor decelerates after said motor deenergization step; forming a new pulse warning value that is equal to said initial pulse warning value less said counted second pulses; using said new pulse warning value as a new initial pulse warning value; and repeating said method steps.

이 특허를 인용한 특허 (43)

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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Hayes, Andrew C.; Mastrototaro, John J.; Moberg, Sheldon B.; Mueller, Jr., John C.; Clark, H. Bud; Tolle, Mike Charles Vallet; Williams, Gary L.; Wu, Bihong; Steil, Garry M., Algorithm sensor augmented bolus estimator for semi-closed loop infusion system.
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Hayes, Andrew C.; Mastrototaro, John J.; Moberg, Sheldon B.; Mueller, Jr., John C.; Clark, H. Bud; Tolle, Mike Charles Vallet; Williams, Gary L.; Wu, Bihong; Steil, Garry M., Algorithm sensor augmented bolus estimator for semi-closed loop infusion system.
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Maury Zivitz ; Raghbir Singh Bhullar ; Brian S. Hill, Bellowed fluid delivery apparatus.
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Steil, Garry M.; Rebrin, Kerstin; Goode, Jr., Paul V.; Mastrototaro, John J.; Purvis, Richard E.; Van Antwerp, William P.; Shin, John J.; Talbot, Cary D., Closed loop system for controlling insulin infusion.
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Steil,Garry M.; Rebrin,Kerstin, Closed loop system for controlling insulin infusion.
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Steil,Garry M.; Rebrin,Kerstin, Closed-loop method for controlling insulin infusion.
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Mastrototaro, John J.; Yoon, Richard K., Device and method for therapy calibration and safety response.
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DiPerna, Paul M, Flow regulating stopcocks and related methods.
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Zhou, Yu, In situ tubing measurements for infusion pumps.
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Zhou, Yu, In situ tubing measurements for infusion pumps.
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Shapiro, Michael Evan, Infusion catheter procedure and system.
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Zhou, Yu, Infusion pump actuators, system and method for controlling medical fluid flowrate.
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DiPerna, Paul M.; Brown, David; Rosinko, Mike; Kincade, Dan; Michaud, Michael; Nadworny, John; Kruse, Geoffrey A.; Ulrich, Thomas R., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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DiPerna, Paul M.; Brown, David; Rosinko, Mike; Kincade, Dan; Michaud, Michael; Nadworny, John; Kruse, Geoffrey A.; Ulrich, Thomas R., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Michaud, Michael; Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Michaud, Michael; Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Verhoef, Erik T.; DiPerna, Paul M.; Rosinko, Mike; Williamson, Mark; Kruse, Geoffrey A.; Ulrich, Thomas R.; Lamb, Phil; Saint, Sean; Michaud, Michael; Trevaskis, William, Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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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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Masaoka Katsunori,JPX ; Ikeda Atsushi,JPX ; Saitoh Teruhisa,JPX, Liquid pump.
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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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Neer Charles S. ; Minnich John N., Medical fluid injector having face plate with magnetic conductors.
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Munk,Jens Aage, Medication delivery system with improved dose accuracy.
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Mason, Jeffrey T., Medication infusion and aspiration system and method.
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Wang, Lu; Shah, Rajiv; Cooper, Kenneth W.; Yoon, Richard K.; Lee, Helen, Method and system for detecting age, hydration, and functional states of sensors using electrochemical impedance spectroscopy.
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Mastrototaro, John J.; Yoon, Richard K.; Keenan, Desmond Barry, Method and system for providing sensor redundancy.
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Wang, Lu; Shah, Rajiv, Method and system for remedying sensor malfunctions detected by electrochemical impedance spectroscopy.
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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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Maske Rudolph J. ; Bunyard Marc R. ; Holst Peter A., Pseudo half-step motor drive method and apparatus.
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Lebel, Ronald J.; Starkweather, Timothy, Safety limits for closed-loop infusion pump control.
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Lebel, Ronald J.; Starkweather, Timothy, Safety limits for closed-loop infusion pump control.
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Lebel, Ronald J.; Starkweather, Timothy, Safety limits for closed-loop infusion pump control.
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Wang, Zhengyan; Rai, Surya Pratap; Spang, Jr., Ronald H.; Bojan, Peter; Zabel, David G.; Carmichael, Joseph Allen; LaBedz, Ralph, Shuttle pump with controlled geometry.
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DiPerna, Paul M., Slideable flow metering devices and related methods.
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Brown, David, Solute concentration measurement device and related methods.
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Rosinko, Michael J.; Kruse, Geoffrey A.; Harris, Paul, System and method for detecting occlusions in an infusion pump.
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Cooper, Kenneth W.; Choy, David Y.; Shah, Rajiv; Soundararajan, Gopikrishnan; Vejella, Ratnakar, System and method for determining the point of hydration and proper time to apply potential to a glucose sensor.
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Cooper, Kenneth W.; Choy, David Y.; Shah, Rajiv; Soundararajan, Gopikrishnan; Vejella, Ratnakar, System and method for determining the point of hydration and proper time to apply potential to a glucose sensor.
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Yap, Marc; Bruke, James Doheny; Cahill, Sean B.; Paderi, Elizabeth A.; Sells, Ryan; Meibos, David W., System and method for tension-activated fluid 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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Metzmaker, Thomas; Saint, Sean; Michaud, Michael; Rosinko, Michael J.; Swanson, Vance, Systems including vial adapter for fluid transfer.
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Bojan, Peter M.; Wang, Zhengyan; Rai, Surya; Olczak, Paul, Tube measurement technique using linear actuator and pressure sensor.
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DiPerna, Paul M., Two chamber pumps and related methods.
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