Aspirator for medical waste in surgery has injector operating from compressed gas supply

摘要

The aspirator has a body (12) with an axial space (16) having at one end a connection (18) to a pressure source. An injector mixer (10) is mounted to slide in this space which contains a gas feed channel (36) with openings and an exit channel (44). A connector (48) entering from the side and connected to the assembly acts as a suction feed. A spring (52), between the assembly and the body keeps the openings (38) blanked off by the body.