Nebraska Administrative Code
Topic - HEALTH AND HUMAN SERVICES SYSTEM
Title 180 - CONTROL OF RADIATION
Chapter 6 - DIAGNOSTIC X RAYS IN THE HEALING ARTS
Section 180-6-002 - DEFINITIONS

002.01 AIR KERMA RATE (AKR). Air kerma rate (AKR) has the same meaning as set out in 21 CFR § 1020.30(b).

002.02 ALUMINUM EQUIVALENT. Aluminum equivalent has the same meaning as set out in 21 CFR § 1020.30(b).

002.03 AUTOMATIC EXPOSURE CONTROL (AEC). Automatic exposure control (AEC) has the same meaning as set out in 21 CFR § 1020.30(b).

002.04 BARRIER. See "Protective barrier".

002.05 BEAM-LIMITING DEVICE. Beam-limiting device has the same meaning as set out in 21 CFR § 1020.30(b).

002.06 BONE DENSITOMETRY SYSTEMS. A bone densitometry system is a medical device which uses electronically-produced ionizing radiation to determine the density of bone structures of human patients.

002.07 C-ARM FLUOROSCOPIC SYSTEM. C-arm fluoroscopic system has the same meaning as set out in 21 CFR § 1020.30(b).

002.08 CASSETTE HOLDER. Cassette holder has the same meaning as set out in 21 CFR § 1020.30(b).

002.09 COEFFICIENT OF VARIATION OR "C". Coefficient of variation or "C" has the same meaning as set out in 21 CFR § 1020.30(b).

002.10 COMPUTED TOMOGRAPHY. Computed tomography has the same meaning as set out in 21 CFR § 1020.30(b).

002.11 CONE BEAM COMPUTED TOMOGRAPHY (CBCT). Cone beam computed tomography (CBCT) is a volumetric imaging modality. Volumetric data are acquired using two dimensional digital detector arrays, and a cone-shaped x-ray beam that rotates around the patient. Reconstruction algorithms can be used to generate images of any desired plane.

002.12 CONTINUOUS PRESSURE SWITCH. A continuous pressure switch is a switch constructed so that a circuit closing contact can be maintained only by continuous pressure on the switch by the operator.

002.13 CONTROL PANEL. Control panel has the same meaning as set out in 21 CFR § 1020.30(b).

002.14 COOLING CURVE. Cooling curve has the same meaning as set out in 21 CFR § 1020.30(b).

002.15 DENTAL RADIATION GENERATING EQUIPMENT. Dental radiation generating equipment is equipment specifically used for making dental radiographs of the human teeth or tissues or the oral cavity. Dental radiographic equipment does not include dental tomography, dental computed tomography, cone beam dental computed tomography, dental fluoroscopic equipment, or rotating anode tube radiation generating equipment.

002.16 DIAGNOSTIC X-RAY SYSTEM. Diagnostic x-ray system has the same meaning as set out in 21 CFR § 1020.30(b).

002.17 EQUIPMENT. See "X-ray equipment".

002.18 EXPOSURE (X). Exposure or "X" has the same meaning as set out in 21 CFR § 1020.30(b).

002.19 FACILITY. A facility is the location at which one or more radiation generating devices or sources of radiation are installed or located within one building, vehicle, or under one roof and are under the same administrative control.

002.20 FILTER. A filter is material placed in the useful beam to preferentially absorb selected radiations.

002.21 FLUOROSCOPY. Fluoroscopy has the same meaning as set out in 21 CFR § 1020.30(b).

002.22 GENERAL PURPOSE RADIOGRAPHIC X-RAY SYSTEM. General purpose x-ray system has the same meaning as set out in 21 CFR § 1020.30(b).

002.23 GONAD SHIELD. A gonad shield is a protective barrier for the testes or ovaries.

002.24 HAND HELD X-RAY EQUIPMENT. Hand held x-ray equipment is equipment that is designed to be hand-held during operation.

002.25 HEALING ARTS SCREENING. A healing arts screening is the testing of human beings using x-ray machines for the detection or evaluation of health indications when such tests are not specifically and individually ordered by a licensed practitioner of the healing arts legally authorized to prescribe x-ray tests for the purpose of diagnosis or treatment.

002.26 IMAGE INTENSIFIER. Image intensifier has the same meaning as set out in 21 CFR § 1020.30(b).

002.27 IMAGE RECEPTOR. Image receptor has the same meaning as set out in 21 CFR § 1020.30(b).

002.28 INTERIM INSPECTION. An interim inspection is an examination by the Department of information submitted by the registrant on a form provided by the Department.

002.29 INTERPRETATIVE FLUOROSCOPIC PROCEDURES. See Neb. Rev. Stat. § 38-1904.

002.30 IRRADIATION. Irradiation is the exposure of matter to ionizing radiation.

002.31 KERMA. Kerma has the same meaning as set out in 21 CFR § 1020.30(b).

002.32 KILOVOLTS PEAK (KVP). See "Peak tube potential".

002.33 LEAD EQUIVALENT. Lead equivalent is the thickness of lead affording the same attenuation, under specified conditions, as the material in question.

002.34 MOBILE X-RAY EQUIPMENT. See "X-ray equipment".

002.35 NON-IMAGE-INTENSIFIED FLUOROSCOPY. Non-image-intensified fluoroscopy has the same meaning as set out in 21 CFR § 1020.30(b).

002.36 PATIENT. A patient is an individual subjected to healing arts examination, diagnosis, or treatment.

002.37 PEAK TUBE POTENTIAL. Peak tube potential has the same meaning as set out in 21 CFR § 1020.30(b).

002.38 PHANTOM. A phantom is a volume of material behaving in a manner similar to tissue with respect to the attenuation and scattering of radiation. This requires that both the atomic number, Z, and the density of the material be similar to that of tissue.

002.39 PORTABLE X-RAY EQUIPMENT. See "X-ray equipment".

002.40 POSITION INDICATING DEVICE (PID). A position indicating device (PID) is a device on dental x-ray equipment used to indicate the beam position and to establish a definite source-surface of the skin distance. It may or may not incorporate, or serve as, a beam-limiting device.

002.41 PRIMARY PROTECTIVE BARRIER. Primary protective barrier has the same meaning as set out in 21 CFR § 1020.30(b).

002.42 PROTECTIVE APRON. A protective apron is an apron made of radiation absorbing materials used to reduce radiation exposure.

002.43 PROTECTIVE GLOVE. A protective glove is a glove made of radiation absorbing materials used to reduce radiation exposure.

002.44 QUALIFIED EXPERT. A qualified expert is an individual who meets the requirements of 180 NAC 15-004.03.

002.45 RADIATION THERAPY SIMULATION SYSTEM. Radiation therapy simulation system has the same meaning as set out in 21 CFR § 1020.30(b).

002.46 RADIOGRAPH. A radiograph is an image receptor on which the image is created directly or indirectly by an x-ray pattern and results in a permanent record.

002.47 RADIOGRAPHY. Radiography has the same meaning as 21 CFR § 1020.30(b).

002.48 RADIOLOGICAL MEDICAL PHYSICIST. A radiological medical physicist is an individual who meets the requirements of 180 NAC 15-004.01.

002.49 RADIOLOGICAL HEALTH PHYSICIST. A radiological health physicist is an individual who meets the requirements of 180 NAC 15-004.02.

002.50 RATING. Rating has the same meaning as set out in 21 CFR § 1020.30(b).

002.51 RECORDING. Recording has the same meaning as set out in 21 CFR § 1020.30(b).

002.52 SCAN. Scan has the same meaning as set out in 21 CFR § 1020.30(b).

002.53 SCAN TIME. Scan time has the same meaning as set out in 21 CFR § 1020.30(b).

002.54 SCATTERED RADIATION. Scattered radiation is radiation that during passage through matter has been deviated in direction.

002.55 SHUTTER. A shutter is a device attached to the tube housing assembly which can intercept the entire cross sectional area of the useful beam and has a lead equivalency not less than that of the tube housing assembly.

002.56 SOURCE. Source has the same meaning as set out in 21 CFR § 1020.30(b).

002.57 SOURCE-IMAGE RECEPTOR DISTANCE (SID). Source-image receptor distance (SID) has the same meaning as set out in 21 CFR § 1020.30(b).

002.58 SOURCE-SKIN DISTANCE (SSD). Source-skin distance has the same meaning as set out in 21 CFR § 1020.30(b).

002.59 SPOT CHECK. A spot check procedure is a procedure which is performed to assure that a previous calibration continues to be valid.

002.60 STATIONARY X-RAY EQUIPMENT. See "X-ray equipment".

002.61 STRAY RADIATION. Stray radiation is the sum of leakage and scattered radiation.

002.62 TECHNIQUE FACTORS. Technique factors has the same meaning as set out in 21 CFR § 1020.30(b).

002.63 TOMOGRAM. Tomogram has the same meaning as set out in 21 CFR § 1020.30(b).

002.64 TOMOGRAPHIC PLANE. Tomographic plane has the same meaning as set out in 21 CFR § 1020.33(b)(18).

002.65 TRACEABLE TO A NATIONAL STANDARD. Traceable to a national standard means a quantity or a measurement has been compared to a national standard directly or indirectly through one or more intermediate steps and that all comparisons have been documented.

002.66 TUBE. Tube has the same meaning as set out in 21 CFR § 1020.30(b).

002.67 TUBE HOUSING ASSEMBLY. Tube housing assembly has the same meaning as set out in 21 CFR § 1020.30(b).

002.68 TUBE RATING CHART. Tube rating chart has the same meaning as set out in 21 CFR § 1020.30(b).

002.69 USEFUL BEAM. Useful beam has the same meaning as set out in 21 CFR § 1020.30(b).

002.70 X-RAY CONTROL. X-ray control has the same meaning as set out in 21 CFR § 1020.30(b).

002.71 X-RAY EXPOSURE CONTROL. X-ray exposure control is a device, switch, button or other similar means that an operator initiates or terminates the radiation exposure. The x-ray exposure control may include other associated equipment.

002.72 X-RAY EQUIPMENT. X-ray equipment has the same meaning as set out in 21 CFR § 1020.30(b).

002.73 X-RAY FIELD. X-ray field has the same meaning as set out in 21 CFR § 1020.30(b).

002.74 X-RAY SYSTEM. X-ray system has the same meaning as set out in 21 CFR § 1020.30(b).

002.75 X-RAY TUBE. X-ray tube has the same meaning as set out in 21 CFR § 1020.30(b).