Many children will go to the hospital for DR imaging for the purpose of diagnosing skeletal system diseases, and parents are generally concerned about radiation issues at this time. In fact, the radiation from DR imaging for children is not significant. The data shows that the radiation dose for a child to undergo a DR scan is approximately 0.01 to 0.1mSv, which is a very small value in medical radiation examinations. Compared to natural radiation: Everyone receives 2-3mSv of radiation from nature every year in their daily lives, while the radiation dose for chest CT is 2msv-10msv.
In order to further reduce the radiation of DR imaging in children, the use of large flat DR can effectively reduce the radiation dose during the examination process, mainly reflected in the following three aspects:
Less frequent filming without splicing
The characteristic of large flat panel DR is the use of large-sized flat panel detectors, thereby achieving the function of “one-time imaging without splicing”. Taking the PLX8600 large tablet dynamic DR from Puai Medical as an example, compared to DR devices that combine multiple images with software, this large tablet DR solves problems such as uneven density of spliced images, image registration and magnification effects at spliced locations. It can cover the entire spine or both lower limbs in one go, and the radiation dose for a single shot is 1/2 or 1/3 of that of conventional multi shot DR combined with software.
DAP exposure dose display
DAP refers to the product of cumulative radiation dose and irradiation area, representing the total amount of radiation irradiated on the human body. The radiation dose received by medical staff and patients is closely related to DAP. Therefore, with the DAP radiation dose monitoring system, the dose intensity of a single exposure can be displayed in real-time on the image, making it easier for doctors to grasp the radiation situation and effectively control dose intake.
Automatic exposure control function
The Automatic Exposure Control (AEC) function can automatically control the X-ray dose based on the thickness, physiological and pathological characteristics of the subject, so that images taken from different parts and patients have the same sensitivity, solving the problem of inconsistent sensitivity. When filming, the operating doctor does not need to select parameters, only needs to pose and expose according to the preset value to complete the filming. This reduces the problem of repeated imaging caused by improper doctor operation, and lowers the X-ray dose received by medical staff and patients.
Post time: Nov-07-2024