Voxel type block phantom for a multifunctional radiation measurement apparatus

Patent metadata

Field	Value
Publication number	US-9895558-B2
Application number	US-201515118625-A
Country	US
Kind code	B2
Filing date	Jan 29, 2015
Priority date	Feb 13, 2014
Publication date	Feb 20, 2018
Grant date	Feb 20, 2018

Abstract

The present invention relates to a voxel-type block phantom for a multifunctional radiation measurement apparatus. A phantom, for adjusting an amount of radiation, has solid pixel blocks, having a radiation measuring device equipped therein and different media and densities from one another, assembled on top of one another so as to be assembled into a 3-dimensional voxel, wherein the phantom is formed by placing a solid block which is appropriate for a density that corresponds to each pixel of the 3-dimensional voxel. An inspector can personally and instantly customize a phantom that is appropriate for a subject to be measured and thus can obtain an accurate measurement value.

First claim

The invention claimed is:

1. A phantom for controlling a radiation dose, the phantom comprising:
a plurality of pixelated solid blocks, each pixelated solid block having a radiation measurement unit embedded therein and having different media and densities,
said plurality of pixelated solid blocks being combined in layers and assembled in a three-dimensional voxel type shape,
each of said plurality of pixelated solid blocks being suitable for density corresponding to each of a plurality of three-dimensional voxel type pixels in the three-dimensional voxel type shape.

2. The phantom of claim 1 , wherein each pixelated solid block defines an insertion groove extending inwardly from an external surface thereof; wherein the insertion groove is carrying said radiation measurement unit therein; and wherein each pixelated solid block comprises a cover covering the insertion groove at the external surface.

3. The phantom of claim 1 , wherein each pixelated solid block has opposing first and second external surfaces defining a tongue and groove arrangement for combining adjacent pixelated solid blocks in the three-dimensional voxel type shape.

4. The phantom of claim 1 , wherein the three-dimensional voxel type shape is based upon a diagnostic image comprising anatomical information.

Assignees

• Catholic Univ Korea Ind Academic Cooperation Foundation
• The Catholic Univ Of Korea Industry—Academic Cooperation Foundation

Inventors

• Yoon Do Kun
• Jung Joo Young
• Suh Tae Suk

Classifications

• A61N5/1075 Primary

  for testing, calibrating, or quality assurance of the radiation treatment apparatus · CPC title

• A61N2005/1076

  using a dummy object placed in the radiation field, e.g. phantom · CPC title