Programmable valve pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4838887
SERIAL NO

07133400

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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, MA0

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Idriss, Samir F Mattapan, MA 8 1416

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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* Cited By Examiner