It is therefore essential to have an understanding of bone acquisition and bone loss so that physicians can plan more effective preventive and treatment protocols. There are several different methods of determining BMD, including some that utilize CT and ultrasound technologies, though the most prevalent is Dual energy X-ray absorptiometry (DEXA). DEXA uses two X-rays at different energy levels to measure BMD through the rate of absorption. With processes like these, researchers are finding new ways to treat the effects of aging, injury and disease.
Bone Densitometer system
in Integrity Medical's
Fort Myers facility.
A densitometer measures bone mineral density, assessing the strength of the bones and the probability of a fracture. It is a noninvasive procedure and, unlike a bone scan, a densitometer does not inject a radioactive contrast material into the bloodstream. Some bone densitometry machines are made for scanning extremities, and can be found in small practices; others are made for full-body scans and are usually based in a hospital, medical office, or clinic.
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Companies that Provide Sales And Service
For this report, we interviewed several of the leading sales and service companies who sell bone densitometers manufactured by leading companies like GE Lunar, Hologic, Norland, Schick Technologies, DMS, and Osteometer Meditech. The equipment ranges from smaller, less expensive peripheral diagnosis units to larger DEXA tables that provide the gold standard in BMD.
TRITECH SERVICES out of Louisville, Kentucky specializes in Hologic and Lunar densitometers. Vice President John Cline revealed that the company's main engineer was a field engineer for Hologic and has been working on these systems for over 10 years. "He was also cross-trained on the Lunar products, and he can service Norlands," says Cline. Like some other companies we spoke with, TRITECH sells and services all of its refurbished equipment. Cline said that the company also stocks Hologic parts. Cline finds opportunity in the fact that those who are in the market to purchase a densitometer do not have to spend up to $100,000 on a new system when they can purchase a system with the exact same technology for 35 to 40 percent less.
