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Respironics EverGo Portable Oxygen Concenrator


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I chose the EverGo mainly based on its battery life.  I have not been disappointed in my choice.  The EverGo is easy to learn to use, reasonably compact and easy to transport thanks to the lightweight cart.

1/9/2013 7:28 AM
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Prior to purchasing the EverGo I rented both the Inogen and the Evergo.

Both concentrators use pulse technology hence would not be suitable for someone requiring continuous flow oxygen.  Also, keep in mind that the setting of 2 doesn't necessary equate to  2 liters continuous flow, that just means at that setting you'll receive a certain dose of oxygen (at a setting of 2 the Inogen delivers 15 ml and the EverGo delivers 23 ml).  The Inogen has settings from 1-5; the EverGo from 1-6.


The Inogen has two advantages over the EverGo. First, it is quieter (40dBa vs 47(units made before 4/08) or 43(units made after 4/08) dBa).  Second, it has a remote conserver unit so you can use the Inogen as a stationary concentrator when you are at "home" with up to 100 feet of tubing. In every other respect I think the EverGo has the advantage over the Inogen:

    * Battery life: At 20 breaths a minute, setting of 2 the Inogen lasts 3 hours; EverGo 8 hours (this is using two batteries.  If you want to lessen the weight by 1.5 pounds you can remove one battery and still have 4 hours).
    * Breath detection: Inogen didn't always detect my breath, I felt I had to remind myself to be more forceful in taking a breath; this was not a problem with the EverGo.
    * Maximum oxygen production: The EverGo gave me more oxygen than the Inogen when I had it at the highest setting .  EverGo delivers up to 1050 ml/min; Inogen delivers 750ml/min).
    * When I out-breathed the machines: Inogen would give pulses on alternating breaths (very disconcerting when you are SOB!); EverGo would alert you that you had max'd the machine out but you would get a pulse of oxygen on each breath albeit a smaller pulse than the setting normally would provide.
    * Cart: I liked the way the EverGo attaches to the cart better, more secure.
    * Elevation: the EverGo is rated to 8,000 feet.  I'm not sure what the Inogen is rated for.

Overall I felt my oxygen need was fulfilled much better with the EverGo than with the Inogen.

1/9/2013 7:28 AM
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very good price and Equipment are very good.

1/9/2013 7:28 AM
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I bought this for my 88 yr old Father-in-law.  He just loves it.

1/9/2013 7:28 AM
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My recent purchase of a Respironics EverGo portable O2 concentrator has provided me with a huge increase in my quality of life. With the four batteries I have, the unit weighs about 17 pounds, but I am able to leave home for over 17 hours (at my flow rate of between 2 and 3)---imagine doing that hauling around O2 bottles! The small lightweight cart that the unit comes with is a breeze to pull--unlike my O2 bottle cart. If for any reason I can't use the cart, I usually remove the extra batteries from the case, and just carry the normal unit, saving me about seven pounds. In short: I've broken the bottle habit and will never go back!

1/9/2013 7:28 AM
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