# US 2025/0151995 A1 · Medical system, energy control method, and processor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0151995 A1 - Document ID: US20250151995A1 - Status: Published application - Kind: A1 - Application number: 19/019,910 - Filed: 2025-01-14 - Published: 2025-05-15 - Earliest claimed: 2019-02-28 - Assignees: Olympus Corporation - Applicants: Olympus Corporation - Inventors: Yasuo Tanigami; Yusuke Otsuka; Noriko Kuroda; Yuji Kishimoto; Hideyuki Kasahara; Kazue Tanaka; Kunihide Kaji; Satoshi Takekoshi; Yoshitaka Honda; Takaaki Igarashi - Web page: https://patentgrep.com/patent/US20250151995A1 ## CPC - A61B 1/043: {for fluorescence imaging} - A61B 1/00006: {of control signals} - A61B 1/000094: {extracting biological structures} - A61B 1/0005: {combining images e.g. side-by-side, superimposed or tiled} - A61B 1/00163: {Optical arrangements (A61B1/002, A61B1/06 take precedence)} - A61B 1/042: {characterised by a proximal camera, e.g. a CCD camera} - A61B 1/0638: {providing two or more wavelengths} - A61B 1/0655: {Control therefor} - A61B 1/0661: {Endoscope light sources} - A61B 1/07: using light-conductive means, e.g. optical fibres - A61B 18/04: by heating (by applying electromagnetic radiation A61B18/18) - A61B 1/0684: {using light emitting diodes [LED]} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A medical system can include a light source configured to generate excitation light; and a processor including a memory, the processor: controlling energy supplied to an energy device, the light source generating the excitation light to generate fluorescence from the living body tissue heat treated by the energy device; generating a fluorescence image based on an image pickup signal obtained by imaging the living body tissue; and generating a control signal that restricts energy supply to the energy device and output the control signal to the energy control apparatus when a pixel value of at least one pixel in the fluorescence image exceeds a first threshold value. ## Claims ### Claim 1 A medical system comprising: a processor including a memory and being configured to: generate a fluorescence image based on an image pickup signal obtained by imaging a living body tissue irradiated with an excitation light; extract a heat invasion region that includes a group of pixels among a plurality of pixels included in the fluorescence image; obtain a first pixel value of the group of pixels; determine whether a first value exceeds a first threshold value, the first value is regarding the first pixel value; responsive to determining the first value exceeds the first threshold value, output a first control signal configured to decrease energy supply to an energy device; subsequent to outputting the first control signal, obtain a second pixel value of the group of pixels; determine whether a second value exceeds a second threshold value, the second value is regarding the second pixel value; responsive to determining the second value exceeds the second threshold value, output a second control signal configured to stop energy supply to the energy device. ### Claim 2 (depends on 1) The medical system according to claim 1, wherein the extracting the heat invasion comprises extracting a pixel value that exceeds a third threshold value among the plurality of pixels included in the fluorescence image; and the third threshold value is smaller than the first threshold value. ### Claim 3 (depends on 1) The medical system according to claim 1, wherein the first threshold value is smaller than the second threshold value. ### Claim 4 (depends on 1) The medical system according to claim 1, wherein the first value is an average value of the first pixel value of the group of pixels. ### Claim 5 (depends on 1) The medical system according to claim 1, wherein the first value is a maximum value of the first pixel value of the group of pixels. ### Claim 6 (depends on 1) The medical system according to claim 1, wherein the second value is an average value of the second pixel value of the group of pixels. ### Claim 7 (depends on 1) The medical system according to claim 1, wherein the second value is a maximum value of the second pixel value of the group of pixels. ### Claim 8 (depends on 1) The medical system according to claim 1, further comprising: an endoscope configured to pick up an image of a fluorescence emitted from the living body tissue on which a heat treatment is performed by the energy device; and a camera configured to image, in a visual field range larger than a visual field range of the endoscope, the fluorescence emitted from the living body tissue on which the heat treatment is performed by the energy device. ### Claim 9 (depends on 1) The medical system according to claim 1, further comprising: a light source is configured to emit in an alternating manner between the excitation light and a white light, and wherein the processor is configured to: generate a white light image based on an image pickup signal obtained by imaging the living body tissue irradiated with the white light, and cause a display to display a display image including the fluorescence image and the white light image. ### Claim 10 (depends on 1) The medical system according to claim 1, further comprising a light source configured to generate the excitation light. ### Claim 11 An energy control method comprising: generating a fluorescence image based on an image pickup signal obtained by imaging a living body tissue irradiated with an excitation light; extracting a heat invasion region that includes a group of pixels among a plurality of pixels included in the fluorescence image; obtaining a first pixel value of the group of pixels; determining whether a first value exceeds a first threshold value, the first value is regarding the first pixel value; responsive to determining the first value exceeds the first threshold value, outputting a first control signal configured to decrease energy supply to an energy device; subsequent to outputting the first control signal, obtaining a second pixel value of the group of pixels; determining whether a second value exceeds a second threshold value, the second value is regarding the second pixel value; responsive to determining the second value exceeds the second threshold value, outputting a second control signal configured to stop energy supply to the energy device. ### Claim 12 (depends on 11) The energy control method according to claim 11, wherein the extracting the heat invasion is extracting a pixel value that exceeds a third threshold value among the plurality of pixels included in the fluorescence image; and the third threshold value is smaller than the first threshold value. ### Claim 13 (depends on 11) The energy control method according to claim 11, wherein the first threshold value is smaller than a second threshold value. ### Claim 14 (depends on 11) The energy control method according to claim 11, wherein at least one of the first value or the second value is an average value of pixel values of the plurality of pixels included in the heat invasion region. ### Claim 15 (depends on 11) The energy control method according to claim 11, wherein at least one of the first value or the second value is a maximum value of pixel values of the plurality of pixels included in the heat invasion region. ### Claim 16 A processor comprising a processing circuit, the processing circuit being configured to: generate a fluorescence image based on an image pickup signal obtained by imaging a living body tissue irradiated with excitation light; extract a heat invasion region that includes a group of pixels having a pixel value among a plurality of pixels included in the fluorescence image; determine whether a first value exceeds a first threshold value, the first value is regarding the pixel value of the group of pixels; responsive to determine the first value exceeds the first threshold value, output a first control signal configured to decrease energy supply to an energy device; subsequent to outputting the first control signal, determine whether a second value exceeds a second threshold value, the second value is regarding the pixel value of the group of pixels; responsive to determine the second value exceeds the second threshold value, output a second control signal configured to stop energy supply to an energy device. ### Claim 17 (depends on 16) The processor according to claim 16, wherein the extracting the heat invasion comprises extracting the pixel value that exceeds a third threshold value; and the third threshold is smaller than the first threshold value. ### Claim 18 (depends on 16) The processor according to claim 16, wherein the first threshold value is smaller than a second threshold value. ### Claim 19 (depends on 16) The processor according to claim 16, wherein at least one of the first value or the second value is an average value of pixel values of the plurality of pixels included in the heat invasion region. ### Claim 20 (depends on 16) The processor according to claim 16, wherein at least one of the first value or the second value is a maximum value of pixel values of the plurality of pixels included in the heat invasion region.