Patents by Inventor Takeharu Nakazato
Takeharu Nakazato has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240079100Abstract: A medical support device includes a processor. In a case in which a tissue is collected at a plurality of first positions in an organ, the processor outputs collection-related information which is information related to a collection state of the tissue at each of the first positions.Type: ApplicationFiled: April 27, 2023Publication date: March 7, 2024Inventor: Takeharu NAKAZATO
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Publication number: 20230380910Abstract: An information processing apparatus includes a processor. The processor acquires an actual ultrasound image generated as an image showing an aspect of an observation target region including a specific part on the basis of reflected waves obtained by emitting ultrasonic waves from a medical module to the observation target region. In addition, the processor acquires a virtual ultrasound image generated as an ultrasound image virtually showing an aspect of the observation target region on the basis of volume data indicating the observation target region. Further, the processor specifies a positional relationship between a first position where the medical module is present and a second position where the specific part is present on the basis of the actual ultrasound image and the virtual ultrasound image.Type: ApplicationFiled: April 21, 2023Publication date: November 30, 2023Inventor: Takeharu NAKAZATO
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INFORMATION PROCESSING APPARATUS, BRONCHOSCOPE APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM
Publication number: 20230363622Abstract: An information processing apparatus includes a processor. The processor derives an inner diameter of a bronchus on the basis of volume data including a bronchial image showing the bronchus, and derives an arrival position of a bronchoscope that is inserted into the bronchus on the basis of the inner diameter and an outer diameter of the bronchoscope.Type: ApplicationFiled: April 21, 2023Publication date: November 16, 2023Inventor: Takeharu NAKAZATO -
Patent number: 11344181Abstract: An endoscope tip attachment includes: a cylindrical casing that is arranged to surround a distal end portion of an endoscope that includes a raising base to raise a treatment tool; and a fluid controller that is positioned at an opening of a treatment-tool insertion channel of the endoscope inside the casing in a state in which the casing is attached to the distal end portion of the endoscope, the fluid controller being configured to control a flow of solution that has flowed from the treatment-tool insertion channel of the endoscope toward the distal end portion of the endoscope to flow equally along an entire surface of the raising base provided at the distal end portion of the endoscope, and being movable by pressure received from the solution.Type: GrantFiled: January 16, 2019Date of Patent: May 31, 2022Assignee: OLYMPUS CORPORATIONInventor: Takeharu Nakazato
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Publication number: 20190150710Abstract: An endoscope tip attachment includes: a cylindrical casing that is arranged to surround a distal end portion of an endoscope that includes a raising base to raise a treatment tool; and a fluid controller that is positioned at an opening of a treatment-tool insertion channel of the endoscope inside the casing in a state in which the casing is attached to the distal end portion of the endoscope, the fluid controller being configured to control a flow of solution that has flowed from the treatment-tool insertion channel of the endoscope toward the distal end portion of the endoscope to flow equally along an entire surface of the raising base provided at the distal end portion of the endoscope, and being movable by pressure received from the solution.Type: ApplicationFiled: January 16, 2019Publication date: May 23, 2019Applicant: OLYMPUS CORPORATIONInventor: Takeharu NAKAZATO
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Patent number: 10016123Abstract: A method of inserting a treatment tool includes: making a puncture needle project from a first channel of an endoscope and puncturing an upper digestive tract to place a distal end of a needle tube of the puncture needle inside a biliary tract while observing an ultrasound image; inserting a guide wire into the biliary tract via the needle tube and making a distal end of the guide wire extend out from a duodenal papilla into a duodenum; placing a distal end portion of the endoscope in vicinity of the duodenal papilla while keeping the distal end of the guide wire extending out from the duodenal papilla while observing a captured image; pulling the guide wire extending out from the duodenal papilla into a second channel having a raised angle of the treatment tool larger than that of the first channel; and inserting the treatment tool inside the biliary tract via the guide wire.Type: GrantFiled: July 14, 2015Date of Patent: July 10, 2018Assignee: OLYMPUS CORPORATIONInventor: Takeharu Nakazato
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Publication number: 20170014116Abstract: A method of inserting a treatment tool includes: making a puncture needle project from a first channel of an endoscope and puncturing an upper digestive tract to place a distal end of a needle tube of the puncture needle inside a biliary tract while observing an ultrasound image; inserting a guide wire into the biliary tract via the needle tube and making a distal end of the guide wire extend out from a duodenal papilla into a duodenum; placing a distal end portion of the endoscope in vicinity of the duodenal papilla while keeping the distal end of the guide wire extending out from the duodenal papilla while observing a captured image; pulling the guide wire extending out from the duodenal papilla into a second channel having a raised angle of the treatment tool larger than that of the first channel; and inserting the treatment tool inside the biliary tract via the guide wire.Type: ApplicationFiled: July 14, 2015Publication date: January 19, 2017Applicant: OLYMPUS CORPORATIONInventor: Takeharu NAKAZATO
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Patent number: 8870778Abstract: An intraluminal endoscope inserting method according to the present invention is a method of forming a first opening in a wall of a first luminal organ while observing optical and ultrasonic images formed by an ultrasonic endoscope inserted into a first luminal organ through a natural opening, forming a second opening in a wall of a desired second luminal organ adjacent to the first luminal organ through an abdominal cavity space from the first opening, leading the ultrasonic endoscope into a second luminal organ from a second opening and performing observation and treatment, and after the treatment and the like, stitching the openings. This makes it possible to insert the endoscope with a skill same as that required for a normal endoscope test and makes it easy to insert the endoscope even into luminal organs irregularly connected to with one another in a body cavity.Type: GrantFiled: December 24, 2007Date of Patent: October 28, 2014Assignee: Olympus Medical Systems Corp.Inventors: Shinichi Tsutaki, Hidemichi Aoki, Takeharu Nakazato, Kosuke Motai, Toshihiro Shizuka
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Publication number: 20120265057Abstract: When an ultrasound endoscope arrives at an objective area, a puncture needle is located in a scan area of a first ultrasound image. Thereby, an image of the puncture needle is delineated on the first ultrasound image. Furthermore, an ultrasound probe is inserted into the puncture needle and an ultrasound transducer of the ultrasound probe is arranged in the objective area through the puncture needle. Then, the ultrasound probe is driven and a second ultrasound image is delineated. Detailed observation inside the objective area in which the puncture needle is punctured is possible with the second ultrasound image.Type: ApplicationFiled: June 14, 2012Publication date: October 18, 2012Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kenichi NISHINA, Masatoshi SATO, Takeharu NAKAZATO, Sunao SATO, Takuya IMAHASHI, Shinichi TSUTAKI
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Publication number: 20120226223Abstract: A procedure for forming an opening in a tubular organ surface while observing images from an endoscope introduced into a tubular organ through a natural opening, and performing observation and treatment of an organ in an abdominal cavity through the opening, including the steps of: inserting an endoscope into a target tubular organ through a natural opening of a subject; checking and identifying a region without other organs or blood vessels; inserting a perforating treatment instrument; perforating with the perforating treatment instrument; inserting the endoscope into the abdominal cavity through the perforated portion; inserting a surgical treatment instrument through the perforated portion; performing surgery; inserting a suturing instrument; and suturing the perforated portion, wherein the endoscope is replaced by an ultrasonic endoscope in at least one of the steps.Type: ApplicationFiled: April 3, 2012Publication date: September 6, 2012Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Takeharu NAKAZATO, Tetsuya YAMAMOTO, Takumi DEJIMA
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Patent number: 8211007Abstract: A treatment instrument for endoscope of the present invention includes a puncture needle having a barb. A lymph node removing method of the present invention includes: an insertion step, wherein an endoscope has an insertable insertion portion which is inserted into an esophagus or a trachea being a lumen inside the body of a subject; the step of inserting a distal end portion arranged at the tip of the insertion portion of the endoscope into the lumen; a confirmation step of confirming the position of a mediastinal lymph node by performing ultrasound scanning using an ultrasound transducer arranged at the distal end portion; an anchoring step of placing an anchoring device which has been inserted through a channel inside the insertion portion of the endoscope, on the mediastinal lymph node by performing the ultrasound scanning; a incision step of cutting a wall of the lumen to make a fistula; and a drawing-in step of drawing the mediastinal lymph node into the lumen with the anchoring device.Type: GrantFiled: August 25, 2011Date of Patent: July 3, 2012Assignee: Olympus Medical Systems Corp.Inventors: Kenichi Nishina, Shinichi Tsutaki, Takeharu Nakazato, Tetsuya Yamamoto
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Publication number: 20120078094Abstract: An ultrasound-guided ablation method captures an objective area to be ablated in an ultrasound scan area of an ultrasound transducer and delineates the objective area on an ultrasound image; specifies an ablation target area to display the ablation target area with a margin necessary for ablating the objective area on the ultrasound image processed by an ultrasound observation device and displayed on a display device; ablates, by an ablation device, the ablation target area displayed on the ultrasound image; and checks, on the ultrasound image, that an ablated area ablated by the ablation device has reached the ablation target area displayed on the ultrasound image.Type: ApplicationFiled: December 9, 2011Publication date: March 29, 2012Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kenichi NISHINA, Takeharu NAKAZATO, Hideyuki KASAHARA, Norihiro YAMADA, Yukihiko SAWADA, Shuji OTANI, Takahiro ECHIZENYA
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Publication number: 20110313246Abstract: A treatment instrument for endoscope of the present invention includes a puncture needle having a barb. A lymph node removing method of the present invention includes: an insertion step, wherein an endoscope has an insertable insertion portion which is inserted into an esophagus or a trachea being a lumen inside the body of a subject; the step of inserting a distal end portion arranged at the tip of the insertion portion of the endoscope into the lumen; a confirmation step of confirming the position of a mediastinal lymph node by performing ultrasound scanning using an ultrasound transducer arranged at the distal end portion; an anchoring step of placing an anchoring device which has been inserted through a channel inside the insertion portion of the endoscope, on the mediastinal lymph node by performing the ultrasound scanning; a incision step of cutting a wall of the lumen to make a fistula; and a drawing-in step of drawing the mediastinal lymph node into the lumen with the anchoring device.Type: ApplicationFiled: August 25, 2011Publication date: December 22, 2011Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kenichi NISHINA, Shinichi TSUTAKI, Takeharu NAKAZATO, Tetsuya YAMAMOTO
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Publication number: 20100063392Abstract: An ultrasound-guided ablation method captures an objective area to be ablated in an ultrasound scan area of an ultrasound transducer and delineates the objective area on an ultrasound image; specifies an ablation target area to display the ablation target area with a margin necessary for ablating the objective area on the ultrasound image processed by an ultrasound observation device and displayed on a display device; ablates, by an ablation device, the ablation target area displayed on the ultrasound image; and checks, on the ultrasound image, that an ablated area ablated by the ablation device has reached the ablation target area displayed on the ultrasound image.Type: ApplicationFiled: September 8, 2008Publication date: March 11, 2010Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kenichi NISHINA, Takeharu NAKAZATO, Hideyuki KASAHARA, Norihiro YAMADA, Yukihiko SAWADA, Shuji OTANI, Takahiro ECHIZENYA
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Publication number: 20100063401Abstract: When an ultrasound endoscope arrives at an objective area, a puncture needle is located in a scan area of a first ultrasound image. Thereby, an image of the puncture needle is delineated on the first ultrasound image. Furthermore, an ultrasound probe is inserted into the puncture needle and an ultrasound transducer of the ultrasound probe is arranged in the objective area through the puncture needle. Then, the ultrasound probe is driven and a second ultrasound image is delineated. Detailed observation inside the objective area in which the puncture needle is punctured is possible with the second ultrasound image.Type: ApplicationFiled: September 9, 2008Publication date: March 11, 2010Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kenichi NISHINA, Masatoshi SATO, Takeharu NAKAZATO, Sunao SATO, Takuya IMAHASHI, Shinichi TSUTAKI
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Publication number: 20090287080Abstract: A treatment instrument for endoscope of the present invention includes a puncture needle having a barb. A lymph node removing method of the present invention includes: an insertion step, wherein an endoscope has an insertable insertion portion which is inserted into an esophagus or a trachea being a lumen inside the body of a subject; the step of inserting a distal end portion arranged at the tip of the insertion portion of the endoscope into the lumen; a confirmation step of confirming the position of a mediastinal lymph node by performing ultrasound scanning using an ultrasound transducer arranged at the distal end portion; an anchoring step of placing an anchoring device which has been inserted through a channel inside the insertion portion of the endoscope, on the mediastinal lymph node by performing the ultrasound scanning; a incision step of cutting a wall of the lumen to make a fistula; and a drawing-in step of drawing the mediastinal lymph node into the lumen with the anchoring device.Type: ApplicationFiled: May 15, 2008Publication date: November 19, 2009Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kenichi NISHINA, Shinichi TSUTAKI, Takeharu NAKAZATO, Tetsuya YAMAMOTO
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Publication number: 20090281429Abstract: An ultrasound probe device of the present invention includes an insertion section having an ultrasound probe, and a hood section which has a cylindrical shape having an opening portion at a distal end side and is disposed at the insertion section to surround the ultrasound probe, and is capable of decompressing a space surrounded by the hood section.Type: ApplicationFiled: May 8, 2009Publication date: November 12, 2009Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kenichi NISHINA, Takeharu NAKAZATO
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Publication number: 20090227866Abstract: In an ultrasound endoscopic intraluminal organ treatment method according to the present invention, a surgeon forms a first opening in a wall of a first luminal organ while observing an optical image and an ultrasound image formed by an ultrasound endoscope led into the first luminal organ through a natural orifice, pulls a part of a desired second luminal organ adjacent to the first luminal organ into the inside of the first luminal organ from the first opening through an abdominal cavity, and applies treatment to the second luminal organ in the inside of the first luminal organ.Type: ApplicationFiled: March 5, 2008Publication date: September 10, 2009Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Takeharu NAKAZATO, Shinichi TSUTAKI, Sunao SATO, Akiko MIZUNUMA
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Publication number: 20090163767Abstract: An intraluminal endoscope inserting method according to the present invention is a method of forming a first opening in a wall of a first luminal organ while observing optical and ultrasonic images formed by an ultrasonic endoscope inserted into a first luminal organ through a natural opening, forming a second opening in a wall of a desired second luminal organ adjacent to the first luminal organ through an abdominal cavity space from the first opening, leading the ultrasonic endoscope into a second luminal organ from a second opening and performing observation and treatment, and after the treatment and the like, stitching the openings. This makes it possible to insert the endoscope with a skill same as that required for a normal endoscope test and makes it easy to insert the endoscope even into luminal organs irregularly connected to with one another in a body cavity.Type: ApplicationFiled: December 24, 2007Publication date: June 25, 2009Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Shinichi TSUTAKI, Hidemichi AOKI, Takeharu NAKAZATO, Kosuke MOTAI, Toshihiro SHIZUKA
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Publication number: 20090005689Abstract: An ultrasound endoscope including, at a distal end of an insertion portion to be inserted to a body cavity, a distal rigid portion arranged forward of a flexible tube portion, an ultrasound transducer portion for scanning a plane which is parallel to forward side of a longitudinal center axis L1 of the distal rigid portion, and a treatment instrument insertion channel port opening in a distal-side end face of the distal rigid portion, with a longitudinal center axis L4 being parallel to the longitudinal center axis L1 of the distal rigid portion.Type: ApplicationFiled: September 3, 2008Publication date: January 1, 2009Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Hiroshi KODAMA, Takeharu NAKAZATO