Puncture drainage device special for Ommaya reservoir

The utility model discloses a puncture drainage device special for an Ommaya reservoir. The puncture drainage device comprises a syringe needle, a needle cap and a hose. The syringe needle and the needle cap are in an approximate T shape, the needle cap has a certain thickness, the lower surface of the needle cap is arc, the syringe needle is communicated with one end of the needle cap in a hollowed mode, and the hose is led out from one end of the needle cap. The puncture drainage device special for the Ommaya reservoir has the advantages that the needle cap is in an approximate flat shape, the lower surface of the needle cap is slightly arc, and it can be guaranteed that the needle cap is tightly attached to scalp and is fixed stably; due to the fact that the needle cap has a certain thickness, the needle cap is convenient to hold, and the direction of the syringe needle can be controlled conveniently so that puncture can be carried out accurately; the syringe needle of the suitable length is adopted, so that the needle cap does not protrude out of the scalp obviously after puncture.