Makes wearing so much more comfortable than the usual hard plastic ones. Just wanted to let you know I really like your products (cannulas & tubing). I also loved the soft cannulas when I was using supplemental oxygen. They don't coil up and and no one ever tripped over one at my house, and my cat totally ignored it. Get one of their great flat 50 foot hoses while you're there. The valve connected between the cannula (which came in varying lengths up to 7 feet), and the 50 foot hose, so I could adjust it easily when I sat down or got up.īack when I last used them (about 6 years ago), they were great but pretty flimsy, and I used to break them all the time, so I never ordered just one at a time.
Instrumentation laboratory test oxygen inhalation therapy.Ĭopyright © 2015 by Daedalus Enterprises.When I was using oxygen before my transplant, I had these so I could turn down the flow when I was seated. Tubing length of 98.42 ft (30 m) may be used by patients for home delivery oxygen with flows up to 5 L/min, as there were no important changes in flows or FIO2. FIO2 was lower at distal than proximal outlet tubing at flows 1, 3, and 5 L/min, but the mean difference between measurements was less than 1%.
Flows were similar for 1 and 3 L/min, but distal flow was higher than proximal flow at 5 L/min (5.57×5.14 L/min, P<.001). Paired Student t test was used to analyze the difference between flows and FIO2 at proximal and distal outlets of tubing length.Ī total of 45 flows were measured between proximal and distal outlets of the 98.42-ft (30-m) tubing. The 3 oxygen delivery systems were randomly selected, and 1, 3, and 5 L/min flows and FIO2 were measured 5 times at each flow at the proximal and distal outlets of the tubing by a gas-flow analyzer. Thus, our objective was to evaluate whether a 98.42-ft (30-m) tubing length affects oxygen flow and FIO2 delivery from 1 cylinder and 2 oxygen concentrators.
However, these concepts are not based on sufficient evidence. It is not uncommon for guidelines to instruct patients to use tubing lengths no longer than 19.68 ft (6 m) when using an oxygen concentrator and 49.21 ft (15 m) when using cylinders. Most patients on long-term oxygen therapy use stationary oxygen delivery systems.
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