X Ray Grid Cassette Definition

Also known as moiré patterns the information content of the image is compromised.

X ray grid cassette definition. These x ray film cassettes with grids are available in five common sizes with a choice of two focal ranges. Cassette kah set fr a light proof housing for x ray film and electrostatic imaging plates containing front and back intensifying screens between which the film is placed. Have a secondary radiation grid between the front i s. A grid ratio of 8 1 is generally used for 70 90 kvp technique and 12 1 is used for 90 kvp technique.

In ward radiography 4 4 2011 radiographic cassettes by sudil 16 17. Javascript seems to be disabled in your browser. Designed to hold 3 7 films with their respective i s. The front is made of low atomic number material e g.

And spacers of about. Cleanup is good to 100kvp. And the front of cassette. Used for radiography where a conventional bucky system is unavailable e g.

Cassette kah set fr a light proof housing for x ray film and electrostatic imaging plates containing front and back intensifying screens between which the film is placed. A magazine for film or magnetic tape. A grid fully named an x ray antiscatter grid is comprised of alternating lines of lead and another much more x ray transparent material that is put directly in front of the detector or film. The purpose of them is to remove x rays that have scattered and are not moving in a direct line from the x ray tube to the detector.

Medium 34 44 in or long 48 72 in. A typical antiscatter grid used in an oscillating bucky assembly has a grid frequency of 40. Grid cassette a cassette that has its front replaced by a built in grid. X ray grid cassette grid cassette x ray grid x ray cassette used x ray cassette x ray grid cassettes z z medical inc.

The ultra thin 103 line 8 1 ratio grids are an excellent grid for general stationary use where positioning can be controlled. Learn vocabulary terms and more with flashcards games and other study tools. This is an example of a cr image obtained with cassette reversed where the tube side of cassette is pointed away from the x ray tube source and toward the patient. The working ability of a grid is described by the grid ratio which is the ratio of the height of the lead strips h to the distance between two strips i e.

Miller keane encyclopedia and dictionary of medicine nursing. A magazine for film or magnetic tape. Miller keane encyclopedia and dictionary of medicine nursing. Plastic or carbon and the back is made of high atomic number material e g.

Cassettes are rigid holders used in conventional and computed radiography cr for the screen film system and imaging plate respectively. Wolf grid cassettes are proudly made in the usa.