| 摘要 |
<p>METERING DEVICE FOR BIOLOGICAL FLUIDs A metering device for biological fluids is disclosed which is capable of metering precise amounts of biological fluid, such as intravenous fluid, from a pressurized source into a receiving body, such as a patient. A dual ccmpartment metering chamber is provided which emits pulses of fluid material of precisely equal volume from a pair of two compartments. Various embodiments of the metering chamber are disclosed and means are disclosed for varying the volume of fluid emitted by the chamber, and for actively pumping the fluid through the chambers so that the fluid source need not be under pressure.</p> |
