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2. Wilkerson dental chair - Wikipedia

   en.wikipedia.org/wiki/Wilkerson_dental_chair

   The Wilkerson dental chair is a hydraulic dental chair, first patented on 20 November 1877, and designed by Basil Manly Wilkerson, known for his dental inventions. [ 1 ] Description

3. Liquid-ring pump - Wikipedia

   en.wikipedia.org/wiki/Liquid-ring_pump

   Single-stage vacuum pumps typically produce vacuum to 35 torr (mm Hg) or 47 millibars (4.7 kPa), and two-stage pumps can produce vacuum to 25 torr, assuming air is being pumped and the ring-liquid is water at 15 °C (59 °F) or less. Dry air and 15 °C sealant-water temperature is the standard performance basis, which most manufacturers use for ...

4. Cold trap - Wikipedia

   en.wikipedia.org/wiki/Cold_trap

   In vacuum applications, a cold trap is a device that condenses all vapors except the permanent gases (hydrogen, oxygen, and nitrogen) into a liquid or solid. [2] [needs update] The most common objective is to prevent vapors being evacuated from an experiment from entering a vacuum pump where they would condense

5. Suction (medicine) - Wikipedia

   en.wikipedia.org/wiki/Suction_(medicine)

   The portable suction unit of an ambulance A dental vacuum system for central suction. In medicine, devices are sometimes necessary to create suction. Suction may be used to clear the airway of blood, saliva, vomit, or other secretions so that a patient may breathe. Suctioning can prevent pulmonary aspiration, which can lead to lung infections.

6. Hemostat - Wikipedia

   en.wikipedia.org/wiki/Hemostat

   Hemostats. A hemostat (also called a hemostatic clamp; arterial forceps; and pean, after Jules-Émile Péan) is a tool used to control bleeding during surgery. [1] Similar in design to both pliers and scissors, it is used to clamp exposed blood vessels shut.

7. Vacuum pump - Wikipedia

   en.wikipedia.org/wiki/Vacuum_pump

   Vacuum pumps are combined with chambers and operational procedures into a wide variety of vacuum systems. Sometimes more than one pump will be used (in series or in parallel) in a single application. A partial vacuum, or rough vacuum, can be created using a positive displacement pump that transports a gas load from an inlet port to an outlet ...