| 摘要 |
This invention is an apparatus (10) employing liquid and gas as working fluids for cleansing living tissue, which includes a container (12) for a sterile liquid; a fluid delivery head (14) having a liquid entry port (16), a gas entry port (18), fluid outlet apparatus (20), and valve apparatus (79) located between the entry ports and the fluid outlet apparatus, and for selectively permitting respective liquid and gas flows from the entry ports to the fluid outlet apparatus; liquid conduit apparatus (56) extending between a liquid inlet (58) located within the container and a liquid outlet (32) connected to the liquid entry port (16) of the delivery head; gas conduit apparatus (34) extending between a gas inlet (36) and a gas outlet (42), wherein the gas inlet is connected to a source of pressurized gas and the gas outlet is connected to the gas entry port (24) of the delivery head, and wherein the gas conduit apparatus (34) is connected to the container via an intermediate outlet port (26); and an apparatus for selectively exposing the source of sterile liquid to a flow of pressurized gas flowing from the gas inlet to the gas outlet and into the gas entry port of the fluid delivery head, thereby to pump the sterile liquid along the liquid conduit apparatus, from the inlet to the outlet, and into the liquid entry port of the fluid delivery head. |
