PORTABLE PAIN-KILLING APPARATUS

摘要

A portable pain-killing apparatus consists of an injector (1) for injecting a medical fluid continuously for a predetermined period of time, a valve (2) connected to an outlet of the injector (1) and adapted to stop the outflow of the medical fluid, a three-way connector (3) joined to an outlet of the valve (2) and having a three-way flow passage, a flexible reservoir (4) connected to one end of the three-way connector (3) and adapted to store a medical fluid therein, and a one-way pressure valve (5) connected to the other end of the three-way connector (3) and adapted to be opened only when the pressure of the medical fluid exceeds a predetermined level.