Concatenation formula negative pressure drainage device

The utility model provides a concatenation formula negative pressure drainage device, the effectual incomplete and lasting vacuum aspiration scheduling problem of concatenation of having solved, the present invention has the technical scheme that bacteria, the utility model discloses a be provided with the connecting band around the medicinal sponge, medicinal sponge, a plurality of medicinal sponge can splice into a whole, be provided with more than one channel in the medicinal sponge, place the drainage tube in the passageway, the drainage tube pipe wall is provided with all around a plurality of drainage holes, the drainage tube tip is connected with first connecting pipe and second connecting pipe in turn, first connecting pipe, wastewater collection bucket and second connecting pipe are on many siphunculuss are connected to the three exit end of shunt, the three influent stream of shunt is held and is connected vacuum aspiration pump, cleaner and atomizer respectively, the utility model discloses it is rational in infrastructure, low cost, convenient to use is swift, freely switches at vacuum aspiration with between dosing, makes patient's surface of a wound recovery rate faster, has reduced the time of treatment, has alleviateed patient's slight illness.