Check features when buying a radiograph

Article

Buying the right radiograph machine takes research. Dr. David S. Biller, Dipl. ACVR, a radiology professor at Kansas State University in Manhattan, Kan., suggests you consider these factors when choosing a unit:

By Elizabeth A. Brown, managing editor

Buying the right radiograph machine takes research. Dr. David S. Biller, Dipl. ACVR, a radiology professor at Kansas State University in Manhattan, Kan., suggests you consider these factors when choosing a unit:

The animals you treat. Small animal doctors use stationary equipment because a permanent power supply gives a higher mA output. Portable units used in large animal practices typically feature a maximum 15 mA output. A lower output may work on cats, but he says you need at least 300 mA output for a clear picture of a large dog. And consider a unit with a rotating yoke to take angle views of such areas as the nasal cavity.

Warranty. Most defective-part warranties cover the unit for up to five years, and new-equipment service warranties last one year. Dr. Biller advises buying a five-year prorated warranty on the tube.

Cost. Radiograph equipment costs from $6,000 for a portable system to more than $20,000 for a high-frequency system. Most self-contained units range from $11,500 to $13,400.

Electrical safety. Check for the Underwriters Laboratories Inc. classification mark to certify the system's electrical, mechanical, fire, and shock protection.

Tube protective circuitry. This feature protects the tube from voltage peaks, overheating, and excessive exposure.

Automatic line compensation. This feature steadies the machine settings when you're taking an exposure.

Electric surge protectors and standby mode with automatic shutoff. These built-in features protect the unit and turn it off after a defined time period.

Power. Single-phase (60 Hz) generators with maximum capabilities of 125 kVp and 300 mA are most common. High-frequency generators reduce exposure time but cost more.

Beyond comparing sticker price, make sure the radiograph machine you buy offers the right mix of features, technical support, and financing options for your clinic--and patients.

Special thanks to Dr. Charles Quick, Dipl. ACVR, from Houston, for his input.

March 2001 Veterinary Economics

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