Washington Administrative Code
Title 246 - Health, Department of
RADIATION
Chapter 246-226 - Radiation protection - Computed tomography
Section 246-226-020 - Equipment requirements
Universal Citation: WA Admin Code 246-226-020
Current through Register Vol. 24-18, September 15, 2024
The CT X-ray system must:
(1) Meet the requirements of 21 C.F.R. Sec. 1020.33 (last amended June 10, 2005) at the time of installation and while the CT X-ray system is registered with the department under chapter 246-224 WAC; and
(2) Be equipped:
(a) With a visible signal that indicates when
the X-ray exposure is occurring;
(b) So that the operator can immediately
terminate an X-ray exposure of greater than one-half second duration at any
time during the X-ray exposure;
(c)
So that the parameters used during a CT procedure are:
(i) Displayed prior to beginning a scan; and
(ii) Visible by the operator from
any location scanning can be initiated.
(d) So that radiation leakage from the tube
port does not exceed limits established in WAC
246-225-040(3) and
(4) when data are not being collected for
image production;
(e) So that the
accuracy of the laser or optical positioning system is within five millimeters
maximum deviation on the axial position (z-axis);
(f) With an X-ray production indicator of at
least one-half second at or near the gantry that is visible from any point
outside the gantry opening;
(g) So
that premature termination of the X-ray exposure by the operator requires
resetting of the parameters prior to initiating another scan.
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