| infusion pumps | Fluid propulsion systems driven mechanically, electrically, or osmotically that are used to inject (or infuse) over time agents into a patient or experimental animal; used routinely in hospitals to maintain a patent intravenous line, to administer antineoplastic agent and other drugs in thromboembolism, heart disease, diabetes mellitus (insulin infusion systems is also available), and other disorders. (12 Dec 1998) |
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| infusion pumps, implantable | Implanted fluid propulsion systems with self-contained power source for providing long-term controlled-rate delivery of drugs such as chemotherapeutic agents or analgesics. Delivery rate may be externally controlled or osmotically or peristaltically controlled with the aid of transcutaneous monitoring. (12 Dec 1998) |
| ion pumps | Integral membrane proteins that transport ions across a membrane against an electrochemical gradient. (12 Dec 1998) |
| turbomolecular pumps | <radiobiology> Type of pumping system in which a high-speed rotor blade expels gas by physically pushing the molecules out of the vacuum chamber. These pumps overheat unless the vacuum chamber is substantially depressurised using another pumping system first. (09 Oct 1997) |
| pumps | a low-cut shoe without fastenings |
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