US Patent No: 4,838,887

Number of patents in Portfolio can not be more than 2000

Programmable valve pump

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An implantable valve accumulator pump for the delivery of medication is disclosed. The implantable pump comprises a drug reservoir maintained a constant pressure vapor. The medication metering assembly comprises a fixed volume accumulator positioned between a pair of valves. The valves alternately open and close to admit medication from the reservoir into the accumulator and to dispense a precise volume spike to an outlet catheter. In order to minimize dead volume and insure complete discharge, the accumulator employs a titanium diaphragm seated in one position by a recessed stop and in the discharge position by a spacer plate having a groove pattern. The unit is externally programmed.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
INSET TECHNOLOGIES INCORPORATEDNORWOOD, MA10

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Idriss, Samir F Hyde Park, MA 8 1043

Cited Art Landscape

Patent Info (Count) # Cites Year
 
EATON CORPORATION (2)
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The Johns Hopkins University (2)
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Baxter Travenol Laboratories, Inc. (1)
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STEVEN M. HOFFBERG 2004-1 GRAT (1)
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STRATO/INFUSAID, INC. (1)
4,193,397 Infusion apparatus and method 172 1979

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
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UNIVERSITY OF SOUTHERN CALIFORNIA (3)
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Other [Check patent profile for assignment information] (2)
6,773,428 Implantable delivery system and method for the pharmacologic management of erectile dysfunction 4 2001
8,696,627 Two way accumulator programmable valve pump 0 2012