MEDICAL IMAGE PROCESSING DEVICE, AND MAGNETIC RESONANCE IMAGING DEVICE

• Main Authors: TOMONAE SHUHEI, OYU SHIGEHARU
• Format: Patent
• Language: English; Japanese
• Published: 18.08.2016
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

PROBLEM TO BE SOLVED: To provide a medical image processing device that accurately and precisely calculate a blood vessel wall region used for calculating wall shear stress.SOLUTION: A medical image processing device 10 includes: blood flow information calculation means 113 for calculating blood flow information including four-dimensional blood flow velocity vector data based on four-dimensional image data capable of calculating four-dimensional velocity vector data consisting of spatial three dimensions and a plurality of time phases; blood vessel information calculation means 114 for setting a region of interest based on the four-dimensional blood flow velocity vector data, and calculating blood vessel information including a blood vessel wall region based on the four-dimensional blood flow velocity vector data in the region of interest; and WSS calculation means 115 for calculating wall shear stress based on the blood flow information and the blood vessel information.SELECTED DRAWING: Figure 2 【課題】壁せん断応力の算出に用いられる血管壁領域を正確に精度よく算出する医用画像処理装置を提供する。【解決手段】医用画像処理装置１０は、空間３次元と複数時相とから成る４次元の速度ベクトルデータを算出可能な４次元画像データに基づいて、４次元血流速度ベクトルデータを含む血流情報を算出する血流情報算出手段１１３と、４次元血流速度ベクトルデータに基づいて関心領域を設定し、関心領域内の４次元血流速度ベクトルデータに基づいて血管壁領域を含む血管情報を算出する血管情報算出手段１１４と、血流情報及び血管情報に基づいて、壁せん断応力を算出するＷＳＳ算出手段１１５と、を有する。【選択図】図２