| 摘要 |
<p>ASPIRATING DEVICE FOR BODY LIQUIDS A device for aspirating body fluids comprising, a valve assembly having a first port to receive body fluids, a second port for passage of the body fluids from the valve assembly, and a passageway communicating between the first and second ports. The valve assembly has one-way valve means associated with the passageway to permit passage of body fluids from the first port to the second port and prevent passage of body fluids from the second port to the first port. The device has port means communicating with the passageway intermediate the valve means and first port, with the port means being normally closed to prevent contamination of the device, and being openable to permit passage of fluid through the port means to the first port.</p> |
