The utility model discloses a kind of anti-
reflux infusion apparatus, belong to infusion apparatus technical field, including first
pipe body, drip
bottle is fixedly installed on the position of first
pipe body near end part, and the outside surface of drip
bottle is engraved with scale line, first
pipe body is fixedly installed with
bottle plug puncture ware in one end near drip bottle, the other end of first pipe body is fixedly installed with one-way valve, one-way valve is fixedly installed with second pipe body on the other side, intravenous injection
branch pipe is fixedly installed on second pipe body, filter is fixedly installed on the other end of second pipe body, extension pipe is fixedly installed on the other side of filter, injection needle is fixedly installed on the other end of extension pipe, when using, avoid blood
reflux by one-way valve, by float ball, after the
drug solution in drip bottle inside flows out, float ball is sealed to transition piece, to avoid air into
blood vessel, increase the security when using, and by intravenous injection
branch pipe, it is convenient to add injection
medicine at any time during infusion, convenient operation.