# US 2013/0158352 A1 · Medical apparatus, method for controlling marker display in medical image and medical processor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0158352 A1 - Document ID: US20130158352A1 - Status: Published application - Kind: A1 - Application number: 13/683,584 - Filed: 2012-11-21 - Published: 2013-06-20 - Earliest claimed: 2011-05-17 - Assignees: Olympus Medical Systems Corp. - Inventors: Katsuichi IMAIZUMI - Web page: https://patentgrep.com/patent/US20130158352A1 ## CPC - A61B 1/0005: {combining images e.g. side-by-side, superimposed or tiled} - A61B 1/00006: {of control signals} - A61B 1/000094: {extracting biological structures} - A61B 1/0004: {for electronic operation} - A61B 1/00114: {Electrical cables in or with an endoscope} - A61B 1/00117: {Optical cables in or with an endoscope} - A61B 1/00124: {electrical, e.g. electrical plug-and-socket connection} - A61B 1/00126: {optical, e.g. for light supply cables} - A61B 1/0019: {characterised by variable lenses} - A61B 1/00193: {adapted for stereoscopic vision} - A61B 1/043: {for fluorescence imaging} - A61B 1/0638: {providing two or more wavelengths} - A61B 1/0002: {provided with data storages} - A61B 1/00059: {provided with identification means for the endoscope} - A61B 1/00188: {with focusing or zooming features} - A61B 1/051: {Details of CCD assembly} - A61B 1/0669: {at proximal end of an endoscope} - A61B 1/0684: {using light emitting diodes [LED]} - A61B 1/07: using light-conductive means, e.g. optical fibres - A61B 2090/364: {Correlation of different images or relation of image positions in respect to the body} - F04C 2270/041: Controlled or regulated - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - F04C: ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS (engines F03C); ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS ## Abstract A processor of an endoscope apparatus that is a medical apparatus generates two images that are a normal-light observation image and a special-light observation image that are obtained by picking up a return light, determines matching of observation fields of view with respect to the two images, generates a marker M that indicates a position on a living tissue for at least one of the two images based on the determination result, causes the generated two images to be displayed within a screen of a monitor, and displays the generated marker M by superimposing the marker M on at least one of the two images. ## Claims ### Claim 1 A medical apparatus, comprising: an imager that picks up an image of a light from a living tissue; an image processor that generates a first image picked up in a first observation field of view in the imager, and a second image picked up in a second observation field of view in the imager; a discriminator that determines matching of the first observation field of view and the second observation field of view; a processor that performs processing for displaying markers indicating same positions for the first image and the second image when it is determined that the first observation field of view and the second observation field of view match each other in the discriminator; and a display that simultaneously displays the first image and the second image processed in the processor. ### Claim 2 (depends on 1) The medical apparatus according to claim 1, further comprising: an illuminator that is capable of irradiating the living tissue with a light for normal-light observation and a light for special-light observation as the light, wherein the first image is an image that is obtained by picking up an image of a return light in a case of the living tissue being irradiated with the light for normal-light observation, in the imager, and the second image is an image that is obtained by picking up an image of a return light in a case of the living tissue being irradiated with the light for special-light observation, in the imager. ### Claim 3 (depends on 1) The medical apparatus according to claim 1, wherein the processor performs processing for displaying the markers by superimposing the markers on each of the first image and the second image when it is determined that the first observation field of view and the second observation field of view match each other by the discriminator, and displays the marker by superimposing the marker on one of the first image and the second image when it is determined that the first observation field of view and the second observation field of view do not match each other by the discriminator. ### Claim 4 (depends on 1) The medical apparatus according to claim 1, wherein the processor performs processing for displaying the markers by superimposing the markers on each of the first image and the second image when it is determined that the first observation field of view and the second observation field of view match each other by the discriminator, and performs processing for displaying markers different from each other by superimposing the markers on the first image and the second image, when it is determined that the first observation field of view and the second observation field of view do not match each other by the discriminator. ### Claim 5 (depends on 1) The medical apparatus according to claim 1, wherein the discriminator determines matching of the first observation field of view and the second observation field of view based on identification information of an endoscope having the imager. ### Claim 6 (depends on 1) The medical apparatus according to claim 1, wherein the imager has a zoom lens that makes an observation field of view range variable, and the discriminator determines matching of the first observation field of view and the second observation field of view based on zoom information of the zoom lens. ### Claim 7 (depends on 6) The medical apparatus according to claim 6, wherein the zoom information is information at a time of the first image or the second image being picked up. ### Claim 8 (depends on 1) The medical apparatus according to claim 1, wherein the imager has a zoom lens that makes an observation field of view range variable, and the discriminator determines matching of the first observation field of view and the second observation field of view based on identification information of an endoscope having the imager and zoom information of the zoom lens. ### Claim 9 (depends on 8) The medical apparatus according to claim 8, wherein the zoom information is information at a time of the first image or the second image being picked up. ### Claim 10 (depends on 2) The medical apparatus according to claim 2, wherein the imager has a first imager that picks up an image of a return light of the light for normal-light observation and a second imager that picks up an image of a return light of the light for special-light observation. ### Claim 11 A method for controlling marker display in a medical image, comprising: picking up an image of a light from a living tissue, and generating a first image picked up in a first observation field of view, and a second image picked up in a second observation field of view; determining matching of the first observation field of view and the second observation field of view; performing processing for displaying markers indicating same positions for the first image and the second image when it is determined that the first observation field of view and the second observation field of view match each other; and simultaneously displaying the first image and the second image for which the processing is performed. ### Claim 12 (depends on 11) The method for controlling marker display in a medical image according to claim 11, further comprising: irradiating the living tissue with a light for normal-light observation and a light for special-light observation as the light, wherein the first image is an image that is obtained by picking up an image of a return light in a case of the living tissue being irradiated with the light for normal-light observation, and the second image is an image that is obtained by picking up an image of a return light in a case of the living tissue being irradiated with the light for special-light observation. ### Claim 13 (depends on 11) The method for controlling marker display in a medical image according to claim 11, wherein processing for displaying the markers by superimposing the markers on each of the first image and the second image is performed, when it is determined that the first observation field of view and the second observation field of view match each other, and processing for displaying the marker by superimposing the marker on one of the first image and the second image is performed, when it is determined that the first observation field of view and the second observation field of view do not match each other. ### Claim 14 (depends on 11) The method for controlling marker display in a medical image according to claim 11, wherein processing for displaying the markers by superimposing the markers on each of the first image and the second image is performed, when it is determined that the first observation field of view and the second observation field of view match each other, and processing for displaying markers different from each other by superimposing the markers different from each other on the first image and the second image is performed, when it is determined that the first observation field of view and the second observation field of view do not match each other. ### Claim 15 (depends on 11) The method for controlling marker display in a medical image according to claim 11, wherein matching of the first observation field of view and the second observation field of view is determined, based on identification information of an endoscope having an imager that picks up the first image and the second image. ### Claim 16 (depends on 11) The method for controlling marker display in a medical image according to claim 11, wherein an imager that picks up the first image and the second image has a zoom lens that makes an observation field of view range variable, and matching of the first observation field of view and the second observation field of view is determined based on zoom information of the zoom lens. ### Claim 17 A medical processor that processes an image picked up by an imager that picks up an image of a light from a living tissue, comprising: an image processor that generates a first image picked up in a first observation field of view in the imager, and a second image obtained by being picked up in a second observation field of view in the imager; a discriminator that determines matching of the first observation field of view and the second observation field of view; a processor that performs processing for displaying markers indicating same positions for the first image and the second image when it is determined that the first observation field of view and the second observation field of view match each other in the discriminator; and an output section that outputs a signal for simultaneously displaying the first image and the second image processed in the processor.