深圳湾边贸易直接进口美国 Computerized Imaging Reference Systems 公司模体：
CIRS 055模体-三维超声校准模块，
CIRS 055A模体-3D线形测试模块，
CIRS 044模体
CIRS 049A-弹性模体价格优惠。
美国直接进口。
厂家：美国Computerized Imaging Reference Systems, Incorporated (美国CIRS)
For all computed tomography systems, the Food and Drug Administration recommends measuring the CT Dose Index (CTDI). Each section of the CIRS CT Dose Phantoms can provide separate dose information. The user can also measure maximum, minimum and mid-range values of the nominal tomographic section thickness when performing dose profile measurements.
Each phantom consists of a set of nesting 15 cm thick solid PMMA disks measuring 16 cm (head) and 32 cm (body) in diameter. The adult head disk is also suitable for pediatric body measurements. The Model 007A includes a third nesting disk measuring 10 cm in diameter for pediatric head measurements. Handles on the body and head are provided for ease in handling and maneuverability.
Through holes measuring 1.31 cm in diameter will accommodate standard CT probes. Acrylic rods are provided to plug the holes when not in use. The acrylic rods are machined to receive 1 mm diameter TLD rods.
The Model 007 & 007A are manufactured to comply with the FDA’s performance standard, 21 CFR 1020.33 that details the measurement requirements.The basic standard for ultrasound quality assurance.
The series of ultrasound phantoms, unlike human subjects or random scannable materials, offers a reliable medium which contains specific, known test objects for repeatable qualitative assessment of ultrasound scanner performance over time. This phantom is constructed from the patented solid elastic material Zerdine®.
Zerdine®, unlike other phantom materials on the market, is not affected by changes in temperature. It can be subjected to boiling or freezing conditions without sustaining significant damage. Zerdine® is also more elastic than other materials and allows more pressure to be applied to the scanning surface without subsequent damage to the material. At normal or room temperatures, the Zerdine® material found in the Model 054 will accurately simulate the ultrasound characteristics found in human liver tissue.
Designed to allow for axial resolution, lateral response width, uniformity, dead zone measurements, depth of visualization, high and low contrast mass imaging, and distance calibration.
源自：深圳市湾边贸易有限公司
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