Nec Corporation

Nihon Medi-Physics Company, Limited

Public University Corporation Yokohama City University

Kazuo Hamada

Yoshihiko Katsuyama

Tsui Happy

Minoru Kurose

Takuro Kobayashi

Naoto Tanimichi

Takashi Kamizono

Kazunori Kobayashi

Kazumasa Nishida

Kiyotaka Watanabe

Kazuhiro Nishikawa

Shuya Miki

Kazunari Ishii

Hiromitsu Daisaki

Ukihide Tateishi

A linear motion mechanism with precise linear motion has structural robustness and allows easy reduction in weight and size, simple production and easy operation. The linear motion mechanism includes: an elastic arrangement which is arranged to transform an input direction and an input displacement to an output direction and an output displacement, wherein the output direction is orthogonal to the input direction; an operating member which is arranged to deform the elastic arrangement in the input direction by the input displacement; and a movable member fixed to the elastic arrangement to move in the output direction by the output displacement.

Linear motion mechanism formed integrally

One embodiment of the present invention addresses the problem of reducing the influence of physiological accumulation in monitoring nuclear medical image data. To solve this problem, the embodiment includes: extracting a bone area from CT image data having been positioned with nuclear medical image data; in the nuclear medical image data, displaying the data of an area overlapping the bone area extracted above; and, in the nuclear medical image data, not displaying the data of an area not overlapping the bone area extracted above.

Nuclear medical image analysis technique

Provided is a highly reliable technique for the evaluation of ischemic conditions. A preferred embodiment is a nuclear medicine measurement protocol in which the administration of a radiopharmaceutical agent and radiation measurement are performed twice at rest and under stress. In the nuclear medicine measurement protocol, radiation collection is performed without radiopharmaceutical agent administration before the second radiopharmaceutical agent administration, and the result is used to correct the nuclear medicine measurement result after the second radiopharmaceutical agent administration.

Method and apparatus for analyzing nuclear medicine image of myocardia

A linkage rod including a limited-displacement flexible mechanism has structural robustness and allows easy reduction in weight and size, simple production and easy operation. The linkage rod including at least one limited-displacement flexible mechanism, wherein the limited-displacement flexible mechanism comprises at least one limited-displacement flexible joint which comprises: a flexible member; and at least one bend limitation section which is arranged in parallel with the flexible member so that the bend limitation section limits a bend of the flexible member.

Linkage rod including limited-displacement flexible mechanism

A novel deformation motion mechanism with precise motion precise motion and structural robustness is achieved. A deformation motion mechanism includes: an elastic ring member shaped symmetrically with respect to a center line, wherein one end of the elastic ring member is fixed and the other end is movable along the center line; a drive unit which is placed within the elastic ring member and is arranged to rotate a feed screw engaged with both ends of the elastic ring member along an operating line orthogonal to the center line, to press or stretch the elastic ring member along the center line; and a plurality of flexible arms which connects the drive unit to the elastic member in at least a direction of the center line.

Deformation motion mechanism

A multiple-degree-of-freedom adjustment mechanism with precise linear motion has structural robustness and allows easy reduction in weight and size, simple production and easy operation. The multiple-degree-of-freedom adjustment mechanism includes: at least one support assembly; and a plate supported by the at least one support assembly, wherein the at least one support assembly includes: a bipod having a first rod and a second rod, one ends of which are fixed to each other at a top provided with a support section; and a linear motion arrangement having a first movable member and a second movable member which are fixed to the other ends of the first rod and the second rod respectively, wherein the first movable member and the second movable member independently move in a linear motion direction.

Multi-degree-of-freedom adjustment mechanism

One of the preferred embodiments includes: (a) creating a summed 3D nuclear medicine imaging data by summing a plurality of 3D nuclear medicine imaging data pixel by pixel; (b) determining pixels corresponding to myocardial regions in the summed 3D nuclear medicine imaging data; (c) defining a plurality of tracing directions based on the summed 3D nuclear medicine imaging data, and determining a reference myocardial center base point, a reference inner myocardial wall base point and a reference outer myocardial wall base point for each of the tracing directions; (d) determining a phase-specific myocardial center base point for each of the tracing directions for each of the phases; and (e) seeking a difference between the reference myocardial center base point and the phase-specific myocardial center base point, and determining a phase-specific inner myocardial wall base point and a phase-specific outer myocardial wall base point.

Extraction of myocardial contour points

A method of detecting a neurodegenerative disease includes (a) a standardization step of creating a first image by applying anatomical standardization to a brain nuclear medical image; (b) a conversion step of creating a second image by converting the pixel value of each pixel of an image based on the first image into a z score or a t value; (c) an addition step of calculating the sum of the pixel values of individual pixels in a predetermined region of interest in the second image; and (d) a detection step of obtaining the results of the detection of the neurodegenerative disease through an operation of comparison of the sum with a predetermined threshold.

Neurodegenerative disease detection method, detecting program, and detector

An image processing method is provided as one for creating a fused image automatically and with high overlapping accuracy. An image processing method according to an embodiment of the present invention includes (a) a voxel normalization step of equalizing voxel sizes and numbers of voxels in respective effective fields of view of a first 3D image based on a plurality of first tomographic images obtained from an arbitrary part of a subject and a second 3D image based on a plurality of second tomographic images obtained from the same part, thereby creating a first normalized 3D image corresponding to the first 3D image and a second normalized 3D image corresponding to the second 3D image; and (b) a fused image creation step of creating a fused image, using the first normalized 3D image and the second normalized 3D image.

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Tokyo, Japan

Kazuo Hamada