| 摘要 |
<p>An apparatus employing liquid and gas as working fluids for cleansing living tissue includes a container for a sterile liquid and a fluid delivery head having a liquid entry port, a gas entry port, a fluid outlet apparatus and a valve located between the entry ports and the fluid outlet apparatus. The valve selectively permits respective liquid and gas flows from the entry ports to the fluid outlet apparatus. A liquid conduit extends between a liquid inlet located within the container and a liquid outlet connected to the liquid entry port of the delivery head. A gas conduit extends between a gas inlet and a gas outlet. The gas inlet is connected to a source of pressurized gas and the gas outlet is connected to the gas entry port of the delivery head. The gas conduit is connected to the container via an intermediate outlet port. Also provided is an apparatus for selectively exposing the source of sterile liquid to a flow pressurized gas flowing from the gas inlet to the gas outlet and into the gas entry port of the fluid delivery head in order to pump the sterile liquid along the liquid conduit from the inlet to the outlet and into the liquid entry port of the fluid delivery head.</p> |
