Multifunctional infusion device

The utility model discloses a multifunctional infusion device. The multifunctional infusion device comprises multifunctional connecting components, a tee and ordinary infusion device components, wherein the multifunctional connecting components and the ordinary infusion device components are connected through the tee. The multifunctional connecting components comprise two types of a taper type and a non-taper type, and the tee comprises two types of a flat opening tee and a Y-shaped tee. The taper type multifunctional connecting components consist of an outer cone joint, a guide pipe, a water stop clamp, an inner cone joint and a protective sleeve, and the outer cone joint is connected with the upper connector of the inner cone joint through the Y-shaped tee. The non-taper type multifunctional connecting components consist of a guide pipe, a water stop clamp, an inner cone joint and a protective sleeve, and the guide pipe is fixed to the upper connector of the flat opening tee. The multifunctional infusion device has the beneficial effects that conventional infusion can be carried out, medicine can be dosed and pushed accurately and quantitatively at a constant speed, the switching of gravity type infusion and pumping type infusion can also be realized or the gravity type infusion and the pumping type infusion are carried out at the same time. The multifunctional infusion device is simple in structure and convenient to use, the pains of a patient are reduced, and the work efficiency of nurses is improved.