Drug dosing device and method for dosage metering and control

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10203702
APP PUB NO 20160327960A1
SERIAL NO

15109543

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drug dosing device and method for dosage metering and control, the drug dosing device including a drug dosing canister, a first flow channel, a second flow channel, a third flow channel, a metering flow channel, a switch valve, a control valve and a pressure release port; the upper part or top of the drug dosing canister communicates with the upper part or top of the metering flow channel via the first flow channel; the lower part or bottom of the drug dosing canister communicates with the lower part or bottom of the metering flow channel via the second flow channel; the switch valve disposed on the second flow channel; the bottom or lower part of the metering flow channel communicates with the control valve via the third flow channel; the pressure release port is disposed at the upper part or top of the drug dosing canister; and the cross section area of the metering flow channel is less than the cross section area of the drug dosing canister.

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First Claim

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Patent Owner(s)

  • BEIJING UNITY BENEFICIAL TECHNOLOGY CO., LTD

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Shengxian Beijing, CN 1 0

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