# US 11,076,828 B2 · Ultrasonic endoscope > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,076,828 B2 - Document ID: US11076828B2 - Status: Granted - Kind: B2 - Application number: 16/206,743 - Filed: 2018-11-30 - Published: 2019-03-28 - Granted: 2021-08-03 - Earliest claimed: 2016-06-30 - Assignees: FUJIFILM Corporation - Applicants: FUJIFILM Corporation - Inventors: Katsuya Yamamoto; Satoru Okada; Yasuhiko Morimoto - Web page: https://patentgrep.com/patent/US11076828B2 ## CPC - A61B 8/4444: {related to the probe} - A61B 1/00097: {Sensors} - A61B 8/12: in body cavities or body tracts, e.g. by using catheters - A61B 8/44: {Constructional features of the ultrasonic, sonic or infrasonic diagnostic device} - A61B 8/4483: {characterised by features of the ultrasound transducer} - A61B 8/546: {involving monitoring or regulation of device temperature} - B06B 1/0622: {on one surface} - A61B 1/018: for receiving instruments - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - B06B: METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, {e.g.} FOR PERFORMING MECHANICAL WORK IN GENERAL (for particular applications, see the relevant subclasses, e.g. B07B1/40, B23Q17/12, B24B31/06; measurement of mechanical vibrations G01H; in direction finding, locating, distance or velocity measuring G01S; {generating seismic energy G01V1/02}; control of mechanical vibrations in general G05D; sound-producing devices, e.g. bells, sirens, whistles G10K, {e.g. methods or devices for transmitting, conducting, or directing sound in general G10K11/00}; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers {for communication techniques, e.g. microphones, speakers} H04R) ## Abstract An ultrasonic endoscope has a laminated body that includes an ultrasonic transducer array in which a plurality of ultrasonic transducers are arranged, and a backing material layer that supports the plurality of ultrasonic transducers; a cable portion that includes a plurality of cables each of which is electrically connected to a corresponding one of the plurality of ultrasonic transducers, and a shield member that covers the plurality of cables from outside and that is made of a metal; and a first heat conductive member that is disposed on a side surface of the laminated body. The first heat conductive member is extended to the shield member that is grounded to a housing and is thermally connected to the shield member. ## Claims ### Claim 1 An ultrasonic endoscope comprising: a laminated body that comprises an ultrasonic transducer array in which a plurality of ultrasonic transducers are arranged, and a backing material layer that supports the plurality of ultrasonic transducers; a cable portion that comprises a plurality of cables each of which is electrically connected to a corresponding one of the plurality of ultrasonic transducers, and a shield member that covers the plurality of cables from outside and that is made of a metal; a first heat conductive member that is disposed on a side surface of the laminated body; a first insulation tube that covers the shield member of the cable portion; an electroconductive connection pipe that covers a part of the first insulation tube on a proximal end side of the ultrasonic endoscope; a second insulation tube that is connected to one end of the connection pipe on the proximal end side and that covers a part of the connection pipe and a part of the first insulation tube on the proximal end side of the ultrasonic endoscope; and a second heat conductive member that is disposed in contact with both of the first insulation tube and the connection pipe, wherein the first heat conductive member is extended to the shield member that is grounded to a housing and is thermally connected to the shield member. ### Claim 2 (depends on 1) The ultrasonic endoscope according to claim 1, wherein the second heat conductive member fills at least a part of a space between the first insulation tube and the connection pipe. ### Claim 3 (depends on 2) The ultrasonic endoscope according to claim 2, wherein the second heat conductive member is a cylindrical member that is disposed between the first insulation tube and the connection pipe. ### Claim 4 (depends on 1) The ultrasonic endoscope according to claim 1, wherein the second heat conductive member has a thick portion at an end portion thereof on a distal end side of the ultrasonic endoscope, the thick portion being thicker than a portion thereof that is disposed between the first insulation tube and the connection pipe, and the thick portion contacts an end surface of the connection pipe on the first heat conductive member side. ### Claim 5 (depends on 2) The ultrasonic endoscope according to claim 2, wherein the second heat conductive member has a thick portion at an end portion thereof on a distal end side of the ultrasonic endoscope, the thick portion being thicker than a portion thereof that is disposed between the first insulation tube and the connection pipe, and the thick portion contacts an end surface of the connection pipe on the first heat conductive member side. ### Claim 6 (depends on 3) The ultrasonic endoscope according to claim 3, wherein the second heat conductive member has a thick portion at an end portion thereof on a distal end side of the ultrasonic endoscope, the thick portion being thicker than a portion thereof that is disposed between the first insulation tube and the connection pipe, and the thick portion contacts an end surface of the connection pipe on the first heat conductive member side. ### Claim 7 (depends on 4) The ultrasonic endoscope according to claim 4, wherein the second heat conductive member comprises a cylindrical portion and the thick portion, the cylindrical portion being disposed between the first insulation tube and the connection pipe, and wherein the thick portion is an outward flange that has a cylindrical shape having an outside diameter larger than or equal to an inside diameter of the connection pipe. ### Claim 8 (depends on 5) The ultrasonic endoscope according to claim 5, wherein the second heat conductive member comprises a cylindrical portion and the thick portion, the cylindrical portion being disposed between the first insulation tube and the connection pipe, and wherein the thick portion is an outward flange that has a cylindrical shape having an outside diameter larger than or equal to an inside diameter of the connection pipe. ### Claim 9 (depends on 6) The ultrasonic endoscope according to claim 6, wherein the second heat conductive member comprises a cylindrical portion and the thick portion, the cylindrical portion being disposed between the first insulation tube and the connection pipe, and wherein the thick portion is an outward flange that has a cylindrical shape having an outside diameter larger than or equal to an inside diameter of the connection pipe. ### Claim 10 (depends on 1) The ultrasonic endoscope according to claim 1, wherein the cable portion has a jacket of one layer outside of the shield member, and wherein the jacket of the cable portion is removed at least at a portion that is covered by the second heat conductive member together with the first insulation tube. ### Claim 11 (depends on 2) The ultrasonic endoscope according to claim 2, wherein the cable portion has a jacket of one layer outside of the shield member, and wherein the jacket of the cable portion is removed at least at a portion that is covered by the second heat conductive member together with the first insulation tube. ### Claim 12 (depends on 3) The ultrasonic endoscope according to claim 3, wherein the cable portion has a jacket of one layer outside of the shield member, and wherein the jacket of the cable portion is removed at least at a portion that is covered by the second heat conductive member together with the first insulation tube. ### Claim 13 (depends on 4) The ultrasonic endoscope according to claim 4, wherein the cable portion has a jacket of one layer outside of the shield member, and wherein the jacket of the cable portion is removed at least at a portion that is covered by the second heat conductive member together with the first insulation tube. ### Claim 14 (depends on 7) The ultrasonic endoscope according to claim 7, wherein the cable portion has a jacket of one layer outside of the shield member, and wherein the jacket of the cable portion is removed at least at a portion that is covered by the second heat conductive member together with the first insulation tube. ### Claim 15 (depends on 10) The ultrasonic endoscope according to claim 10, wherein the jacket of the cable portion is removed on the distal end side of the connection pipe and the shield member is exposed, wherein, at a portion where the jacket is removed and the shield member is exposed to the first insulation tube, a part of the first insulation tube is removed, and the shield member is exposed to the outside, and wherein the second heat conductive member contacts the portion where the shield member is exposed to the outside, covers the removed part of the first insulation tube, and contacts the distal end side of the connection pipe. ### Claim 16 (depends on 11) The ultrasonic endoscope according to claim 11, wherein the jacket of the cable portion is removed on the distal end side of the connection pipe and the shield member is exposed, wherein, at a portion where the jacket is removed and the shield member is exposed to the first insulation tube, a part of the first insulation tube is removed, and the shield member is exposed to the outside, and wherein the second heat conductive member contacts the portion where the shield member is exposed to the outside, covers the removed part of the first insulation tube, and contacts the distal end side of the connection pipe. ### Claim 17 (depends on 12) The ultrasonic endoscope according to claim 12, wherein the jacket of the cable portion is removed on the distal end side of the connection pipe and the shield member is exposed, wherein, at a portion where the jacket is removed and the shield member is exposed to the first insulation tube, a part of the first insulation tube is removed, and the shield member is exposed to the outside, and wherein the second heat conductive member contacts the portion where the shield member is exposed to the outside, covers the removed part of the first insulation tube, and contacts the distal end side of the connection pipe. ### Claim 18 (depends on 15) The ultrasonic endoscope according to claim 15, further comprising: an insulation layer that is disposed outside of the connection pipe. ### Claim 19 (depends on 1) The ultrasonic endoscope according to claim 1, further comprising: a third heat conductive member that fills a space between the first insulation tube, and a portion of the connection pipe on the proximal end side and the second insulation tube.