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Descriptive (diagnostic) monitors

A descriptive monitor is, by definition, a device for presenting DICOM files from a PACS system for clinical interpretation of medical images*. Broadly speaking, these are monitors that reproduce the details of images from all kinds of diagnostic equipment in the most precise way possible. They include both monochrome and color monitors with matrices ranging from 1 MP to 5 MP, in single or dual monitor configurations, and 4 MP, 6 MP, 8 MP, 12 MP in single-panel configurations. In recent years, we see a strong trend of replacing monochrome monitors with color monitors, which allow the display of images from multiple modalities, as well as replacing traditional two-monitor stations, with single monitors with large (equivalent) resolutions. Key features of these monitors include:

  • DICOM Part 14-compliant precision hardware calibration function;
  • circuits to ensure even illumination of the entire matrix;
  • circuits that stabilize the brightness of the matrix at the desired level, immediately after the monitor is turned on (coming out of sleep state), as well as over the long term between monitor calibrations;
  • Wide image viewing angles with perception of only minimal color changes for extreme viewing angles;
  • Relevant certificates confirming compliance with the requirements of diagnostic medical devices.

Dedicated medical graphics cards, and entire diagnostic stations are offered along with the monitors.
The warranty for BARCO and Jusha descriptive monitors is 5 years. For BARCO and Jusha monitors, it can be extended to 7 years.

However, we would like to add that there are still many physicians who prefer to work on monochrome monitors, where the diagnosis is based on images that are precisely monochrome (radiology, mammography). Why? Any color monitor can display a monochrome image. The problem is that all gray levels are obtained from "mixing" the three primary colors: green, red and blue. Such is the "physics of the process" a color monitor must "fold" gray. This carries with it a number of potential problems. The main one is the dominance of one of the primary colors (most often red), so the gray is not neutral and this can irritate the doctor. This symptom is most often due to inaccurate pre-calibration of the monitor at the manufacturing stage. The second problem may be a slight "border" of one of the primary colors along letters or dividing lines. This is due to the way the matrix displays.

So, a huge advantage of monochrome monitors from the point of view of performing diagnostics is that they do not have color coatings applied to the LCD screen. The image they display is "clean" and accurately reproduced. It gives a sense of greater image depth. The gray is natural, with no discoloration or banding.

To meet these expectations, Jusha will continue to produce monochrome monitors: 2 MP, 3 MP and 5 MP, for years to come, while BARCO will produce 5 MP monitors.

BARCO Nio Fusion MDNC-12130 12MP

Jusha C 620G - 6 MP

LG 31HN713D 12MP

Barco Coronis Fusion MDCC-6530 - 6 MP

Requirements under the relevant "Regulation of the Minister of Health....", and concerning descriptive monitors:

General requirements:
The descriptive workstation must be equipped with a computer with a dedicated graphics card, supporting monitors, the number and minimum parameters of which are specified below....... Each component of image transmission and presentation (including the graphics card) must provide the ability to convey 1024 gray levels (10 bits) in the descriptive workstation.

Specific requirements:

  minimum resolution: minimum working diagonal of the screen or image field minimum luminance minimal contrast Comments
general radiology 1.92 MP 47.5 cm 400 cd/m2 400;1 At least 2 monochrome monitors that work in a vertical arrangement, in the DICOM standard
mammography 5.0 MP 50 cm 500 cd/m2 500;1 At least 2 monochrome monitors that work in a vertical arrangement, in the DICOM standard
tomography, angiography 1.0 MP 45 cm 200 cd/m2 250;1 at least 1 monitor
dentistry 0.7 MP 37.5 cm 200 cd/m2 250;1 For pantomography and dental tomography, the requirements are the same as for tomography and angiography. For intraoral radiographs, the requirements as specified

 * Ryszard Kowski, chairman of the PLTR Technical and Legislative Affairs Committee.

This group of products is based on the companies' solutions:

BARCO | Yusha

Contact persons:

Marcin Cichecki

Sales Director
tel. +48 222 484 000
m.cichecki@stovaris.pl

Paweł Waszniewski

Product Manager
tel. +48 885 805 609
p.waszniewski@stovaris.pl