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A gastric feeding tube (G-tube or "button") is a tube inserted through a small incision in the abdomen into the stomach and is used for long-term enteral nutrition. One type is the percutaneous endoscopic gastrostomy (PEG) tube which is placed endoscopically. The position of the endoscope can be visualized on the outside of the person's abdomen ...
GD550W – 550 V, 1.5 J Discharge tube, e.g. for power relaxation oscillators, all-glass wire-ended; GDT120M – 9 mA Gas-filled cold-cathode DC triode, one starter and a separate glow diode acting as an optical primer, miniature 7-pin base; GR2G – + - Neon-filled digital indicator tube, 18 x 18 mm characters, side-viewing
Percutaneous endoscopic gastrostomy (PEG) is an endoscopic medical procedure in which a tube (PEG tube) is passed into a patient's stomach through the abdominal wall, most commonly to provide a means of feeding when oral intake is not adequate (for example, because of dysphagia or sedation).
The metal tube technology utilized for the 6L6 had been developed by General Electric and introduced in April 1935, with RCA manufacturing the metal envelope tubes for GE at that time. [8] Some of the advantages of metal tube construction over glass envelope tubes were smaller size, ruggedness, electromagnetic shielding and smaller ...
The transmitting tubes TT21 and TT22 have almost identical transfer characteristics to KT88 but a different pinout, and by virtue of their anode being connected to the top cap have a higher plate voltage rating (1.25 kilovolt) and a higher power output capability of 200 watts in class AB1 push–pull.
Buried bumper syndrome (BBS) is a condition that affects feeding tubes placed into the stomach (gastrostomy tubes) through the abdominal wall.Gastrostomy tubes include an internal bumper, which secures the inner portion of the tube inside the stomach, and external bumper, which secures the outer portion of the tube and opposes the abdomen.
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Multi-tube boiler: fire-tube boiler with multiple small fire-tubes, rather than a single large flue. Mumford boiler: A form of three-drum water-tube boiler by A. G. Mumford of Colchester. [39] The water-tubes are highly curved and the flue only covers the centre of the steam drum, not enclosing its whole length. [40]