Precision passive flat-top valve for medication infusion system
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United States of America Patent
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-
Dec 15, 1987
Grant Date -
N/A
app pub date -
May 27, 1986
filing date -
May 27, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve for use in medical applications is disclosed which is a highly precise, passive, one-way valve which makes an excellent inlet valve or outlet valve in a drug infusion pump. The valve operates with a very small forward pressure, requires only a small amount of fluid in the valve chamber, and operates in a positive and predictable fashion, even after an extended shelf life. The valve, may be inexpensively molded in one piece, thereby facilitating construction of a disposable pump, and may be installed with the portion of the pump housing contacting the top surface of the valve being flat, thereby further reducing manufacturing costs.
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