DUOCEPH

Please read this entire Instruction sheet before exposing a patient radiation!

Operator Safety: As with any radiographic system the operator should assume an exposure position that prevents either direct or indirect radiation exposure. Monitoring devices and safety apparel should be worn routinely required. Every effort has been made to make this device safe for your use, but the ultimate safety for you and your patient is the result of good safety procedures.

Patient Safety: Patient draping with an approved lead apron is required for Cephalometric exposure. Even with effective beam limitation it must be assumed that the possibility of scatter radiation exists and that good practice dictates the use of patient protective devices.

Pre-operation Check-Out: Prior to exposing a patient to radiation, it is wise to familiarize yourself with the installation and safety standards of this device. If the system has been correctly installed, you will be able to place your X-Ray tubehead into the bean limiter only one way. That position will fix the beam so that it passes through the two ear rods and casts an image within 8 x 10 film borders. There should be an 1/4 inch unexposed border around the entire outside edge of the film. This assures you that the beam is limited to that exact area and thereby meets and exceeds federal standards for this beam limiting device. Those standards require that there be no more than a 2% "spill" of radiation outside the film receptor.

Each time a film is exposed, you should be able to see that unexposed border as proof of compliance.

Exposure: Enclosed is an exposure guide to help you determine approximate exposures for your tube and @ combination. In general, you should have enough penetration to clearly see Sella Tursica and not so much that the soft tissue is obliterated. 70 KVP X-rays usually do the best job if you use Kodak XOMATIC Cassette, and Kodak T-MAT-L film with Lanex regular screens.

Admittedly this combination of cassette, film and screens is expensive, but x-ray quality has little to do with the cephalostat and much to do with quality film and screens.

In general, do not mix film and screen manufacturers. If you use Kodak screens; use Kodak film, etc. If you have to vary substantially from the exposure guide it should be considered good reason to seek consultation. If you are unable to find help in your area, please call me at my office: (734) 420-2326.

Maintenance: Aside from periodic changing of intensifying screens, there is no maintenance schedule for this device.