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The company invented the mechanical syringe pump in the 1950s, and introduced the first microprocessor controlled syringe pumps in the 1980s. [5] Harvard Apparatus also developed first volume controlled- and then pressure controlled ventilators, pulsatile blood pumps, transducers, amplifiers, recorders, glassware and many other specialized bioscience research products.
The majority of Victorian steam locomotive classes were operated by the Victorian Railways (VR). Regularly scheduled steam working ceased on VR mainline operations after 25 May 1972 [ 1 ] - with only special excursion or enthusiasts trains being hauled by steam after that time.
A syringe pump for laboratory use. World Precision Instruments (WPI) SP120PZ. A syringe driver, also known as a syringe pump, is a small infusion pump, used to gradually administer small amounts of fluid (with or without medication) to a patient or for use in chemical and biomedical research. Some syringe drivers can both infuse and withdraw ...
The user interface of pumps usually requests details on the type of infusion from the technician or nurse that sets them up: . Continuous infusion usually consists of small pulses of infusion, usually between 500 nanoliters and 10 milliliters, depending on the pump's design, with the rate of these pulses depending on the programmed infusion speed.
Filling the pump is done manually through a one-way valve using a syringe or peristaltic repeater pump. Elastomeric pumps are maintenance-free, run independently without any electronics, and are single-use disposable. Depending on the pump's size the drug inside the pump can be delivered over a time spread varying between thirty minutes to ...
Syringe on left, hypodermic needle with attached colour coded Luer-Lock connector on right Hypodermic needle features. A hypodermic needle (from Greek ὑπο- (hypo-= under), and δέρμα (derma = skin)) is a very thin, hollow tube with one sharp tip. It is one of a category of medical tools which enter the skin, called sharps. [1]
Painting of the Royal Institution by Thomas Hosmer Shepherd circa 1838. Founded in 1799 with the stated purpose of "diffusing the Knowledge, and facilitating the general Introduction, of Useful Mechanical Inventions and Improvements; and for teaching, by Courses of Philosophical Lectures and Experiments, the application of Science to the common Purposes of Life," the Royal Institution was a ...
The museum also contains three 1908 Lancashire boilers (two of which are still in regular service), a blacksmith's forge, a waterwheel, numerous steam engines and pumps, a replica plumber's shop, and many items associated with waterworks. In addition, visitors arriving in the engine house are now able to see to the bottom of the 250-foot well ...