Patent ID: 9220853
Filing Date: 2015-12-29
Classification: A61B,A61M,B05B

Abstract:
1. A medical spray device comprising an outflow tube having a compressed gas supply conduit for generating a gas flow, a dispensing tube connected to a liquid supply conduit for supplying a liquid, wherein the dispensing tube has a total length defined between a first end and a second end located opposite with respect to the first end of the dispensing tube, wherein the first end of the dispensing tube is an open end for spraying fine droplets or a spray mist of a liquid-gas mixture, and an outflow body having an operable valve element arranged in the compressed gas supply conduit, wherein a constriction of a cross-sectional area is provided in the dispensing tube and a merging site is arranged in the region of the constriction through which the liquid merges into the gas flow from the compressed gas supply conduit, wherein the constriction forms a nozzle in the dispensing tube, and further wherein a portion of the dispensing tube surrounds the outflow tube, the outflow tube is connected and adjacent to the outflow body, and the second end of the dispensing tube contacts a portion of the outflow body.