SOME ADVICE ON CHOOSING AND BUYING MICROSCOPES by James McHone of Stones2Gems.Since the early 1970s, polarizing and brightfield microscopes have been tools in my geological research and teaching.In recent...
Pulse oximeters are devices that measure the oxygen saturation in a person's blood. They are used medically by patients with COPD, asthma, and other respiratory conditions. Pilots also find oximeters to be a...
I firmly believe that the banning of CPAP accessories is totally unjustified and unfair. I can totally understand the banning of the CPAP machines themselves as there is a potential risk for personal injury if...
Pulse Oximetry Pulse oximetry was first developed half a century ago, but widespread clinical use of oximeters only became practical with the advent of digital technology.Oximeters were commercially...
It is absolutely essential that you have a sleep study before purchasing a CPAP machine.When you have Sleep Apnea your windpipe closes during sleep and you stop breathing for short periods of time. The result...
SOME ADVICE ON CARING FOR MICROSCOPES by James McHone of Stones2Gems. Polarizing and bright field compound microscopes have been important tools for my geological work and teaching since the early 1970s. In...
As of July, 2007, eBay is no longer allowing the sale of pulse oximeters on its site, with the exception of oximeters designed only for use in sports or aviation. All oximeters that are designed for medical...
I've noticed that several enterprising individuals have taken it upon themselves to sell the Provider Manauls that come with CPAP and Bipap machines. This is different from the User Manuals that ARE given to...
It really bugs me when sellers title an auction with the express intention to fool the bidder into thinking they're getting something they're not. While searching for a Littman Cardiology III stethoscope for a...
This is a basic primer on buying used or new tubes from sellers that know nothing about the tubes they are offering. Also offers simple tests that any person can conduct to determine the quality of a vacuum...