Dispenser DP 20 is a high performance pump system which can be operated without hands using the foot pedal. It is globally used and controllable infiltration pump compatible with the deployment in tumescent applications as well as in vein treatments and for liposuction. The percentage of infiltration amount is monitored utilizing the rotary potentiometer and the foot pedal. Its advantages are: it is adaptable and universally applicable; handling is easy with little maintenance effort. This dispenser is time saving in comparison to time consuming injection of the infiltration quality. The infiltration performance is continuously variable and accurate. It uses reliable, accepted and stable technology.