[특허]Implantable infusion pump

[미국특허] Implantable infusion pump 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-037/00
출원번호	US-0529776 (1995-09-18)
우선권정보	DE-4432991 (1994-09-16)
발명자 / 주소	Steinbach Bernd,DEX Walter Claus,DEX Wild Andreas,DEX
출원인 / 주소	Fresenius AG, DEX
대리인 / 주소	Fulbright & Jaworski L.L.P.
인용정보	피인용 횟수 : 36 인용 특허 : 6

초록 ▼

The invention concerns an implantable infusion pump for dosed emission of medicines into the human body comprising a pump chamber formed by an upper chamber portion (3) and a lower chamber portion (2), whereby said pump chamber is divided by a flexible membrane (6) into a pressure chamber (8) and a medicine reservoir (7). Refill apertures (12, 14) covered by septa (13, 15) are further provided. The septa (13, 15) are hermetically clamped by holders (4, 5). According to the invention, catch connections are used as main connections (31, 32, 33) and as ancillary connections (34, 35) for the connection of the pump components (2, 3, 4, 5), whereby the main connections (31, 32, 33) substantially support the interior pressure strain generated under normal operating load and the locked ancillary connections (34, 35) are hereby not or only nimimally brought into operation due to respective arrangement and dimensioning of the catch members. The ancillary connections (34, 35) are only activated in the case of a further pressure increase due to overload or failure of the main connections (31, 32, 33).

대표청구항 ▼

[ We claim:] [1.] Implantable infusion pump for dosed emission of medicines into the human body,comprising a pump chamber formed by a lower chamber portion and an upper chamber portion connected thereto, wherebythe pump chamber is separated by a flexible membrane into two sectional chambers, of which the first sectional chamber is defined by the upper chamber portion and the membrane and is formed as the medicine reservoir, the upper chamber portion comprises a refill aperture sealed by at least one pierceable septum which is locked between a septum holder part connected to the upper chamber portion and the upper chamber portion,the medicine reservoir is connected through an outlet aperture and an outlet reducer means with an outlet catheter andthe second sectional chamber is defined by the lower chamber portion and the membrane and is formed as a pressure chamber to accommodate a motive substance, and wherein internal pressure strain is generated under normal operating load; the infusion pump comprising:the lower chamber portion and the upper chamber portion being in engagement by at least two associated connections, one of which being a main connection located proximal to said chambers and the other of which being an ancillary connection located distal to said chambers whereby thethe main connection substantially supports the infusion pump against said internal pressure strain generated under normal operating load and, in the case of deformation of the lower chamber portion, the upper chamber portion and the septum holder part or slippage between the upper chamber portion and the lower chamber portion caused by a pressure increase above normal operating pressure and in the case of failure or deflection of the main connection, the ancillary connection is subjected to corresponding stress and supports the infusion pump against the pressure overload.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Sancoff Gregory E. (Windham NH) Doyle Mark C. (San Diego CA) Field Frederic P. (Solana Beach CA), Apparatus and methods for multiple fluid infusion.
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Plambeck Gregg E. (San Clemente CA) Kramer Thomas A. (San Carlos CA), Cartridge for drug infusion pump.
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Steinbach Bernd (Cologne DEX) Schlgl Leopold (Pottenstein ATX), Device for dispensing active substances to a patient.
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Zdeb Brian D. (Round Lake IL), Drug infuser.
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Mann Alfred E. (Los Angeles CA) Lord Peter C. (Valencia CA), Liquid-vapor pressure reservoir for medication infusion pump.
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Hauser Jean-Luc (Antibes FRX), Membrane composite.
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이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

Meadows, Paul M., Externally-controllable constant-flow medication delivery system.
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Steinbach, Bernd, Implantable pump with infinitely variable resistor.
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Ginggen, Alec, Implantable pump with integrated refill detection.
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Burke, Paul F.; Fine, Kenneth A., Implantable refillable infusion device.
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Burke,Paul; Fine,Kenneth A., Implantable, refillable infusion device and septum replacement kit.
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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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Zhou, Yu, Infusion pump actuators, system and method for controlling medical fluid flowrate.
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Willis, John P.; Minior, Thaddeus G., Injection device.
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Willis, John; Minior, Thaddeus; Gonnelli, Robert, Injection devices.
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Gonnelli, Robert R.; Lipson, David; Nishtala, Vasu; Dimeglio, Ciro, Injection systems.
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Gonnelli,Robert R.; Lipson,David; Nishtala,Vasu; Dimeglio,Ciro, Injection systems.
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Kenneth T. Heruth, Method and apparatus for drug infusion.
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Ginggen, Alec; Crivelli, Rocco, Methods and devices for monitoring fluid of an implantable infusion pump.
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Whitehurst, Todd K; McClure, Kelly H; McGivern, James P, Microminiature infusion pump.
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Willis, John P.; Minior, Thaddeus G.; Gonnelli, Robert R., Modular units for use in an injection device.
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Steinbach, Bernd; Lederer, Klaus G., Multi-reservoir implantable pump with patient controlled actuation.
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Steinbach, Bernd; Lederer, Klaus, Multi-reservoir implantable pump with variable flow rate capabilities.
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Steinbach, Bernd, Multiple reservoir programmable pump.
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Steinbach, Bernd, Multiple reservoir programmable pump.
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Heller, Adam; Heller, Ephraim; Westerberg, Karl Göran; Spiridigliozzi, John, Pharmaceutical suspensions containing drug particles, devices for their administration, and methods of their use.
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Steinbach, Bernd, Programmable implantable pump design.
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Steinbach, Bernd, Programmable implantable pump design.
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Steinbach, Bernd; Bitz, Falko, Propellant bag improvement.
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Steinbach, Bernd; Bitz, Falko, Propellant bag improvement.
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Schleicher, Brett, Propellant pillow.
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Steinbach, Bernd, Propellant pillow manufacturing technique.
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Steinbach, Bernd, Reduced size implantable pump.
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Steinbach, Bernd, Reduced size implantable pump.
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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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Verbeek, Maurice T. Y.; Philippens, Frans, System and method for attaching upper and lower outer cases in an implantable drug pump.
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Steinbach, Bernd; David, Sidney, Template system for multi-reservoir implantable pump.
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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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Steinbach, Bernd, Variable flow infusion pump system.
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Steinbach, Bernd; Wallmann, Frank; Lederer, Klaus G.; Saar, David; David, Sidney, Variable flow infusion pump system.
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Steinbach, Bernd; Wallmann, Frank; Lederer, Klaus G.; Saar, David; David, Sidney, Variable flow infusion pump system.
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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

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[미국특허] Implantable infusion pump 원문보기