One tube was wrapped with 18 gauge insulated copper wire; the other was not wound and served as the sham exposure environment.
In the anesthetized children in the supine position, the SLPB [ 17- 19] was performed, using 100 mm or 50 mm, 21 gauge insulated stimulated needle (Stimuplex B, Braun Medical, Bethlehem, PA).
To obtain a vacuum gauge cable resistant to long-term radiation, a vacuum gauge cable insulated with glass fiber, which had an electric and mechanical quality better than that of a mineral insulated vacuum gauge cable, was newly designed and tested.
Cortical tissue was removed by subpial aspiration using a small-gauge sucker insulated everywhere except at the tip; electrocautery was applied to remove the pia mater and control bleeding encountered during the ablation.
A common ham radio trick is to make a loading coil with plastic pipe fittings or pipe and insulated 22 gauge wire.
Make sure you use properly insulated and gauged wiring for amps.
A 50-mm, 21-gauge insulated block needle (HDC® Corporation, Milpitas, CA) was positioned at the outer (lateral) edge of the probe and advanced along the long axis using a needle-in-plane approach.
From February 2001 to September 2004, 16 patients were treated with RFA using the RFA 2000 (Radio-Therapeutic, USA) and a needle electrode with a 15-gauge insulated cannula and 10 hook-shaped expandable electrode tines with a diameter of 2.0 or 3.5 cm at expansion (Radio-Therapeutics,USA).
In the NS group, a 21-gauge insulated needle (Stimuplex, B. Braun USA, Bethlehem, PA) was inserted and advanced until a motor response elicitation (plantarflexion for tibial nerve and dorsiflexion for common peroneal nerve) was detected using a current of 1 mA at a frequency of 2 Hz in 100 μsec.
The fornix was sectioned transversely by electrocautery and aspiration with a 20-gauge metal aspirator, which was insulated to the tip.
The task was daunting: more than a mile of pipes insulated with SF6, countless seals, valves, gauges and connectors, some decades old.
