Patents by Inventor Osamu Katoh
Osamu Katoh 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: 20150265343Abstract: Methods, devices, and systems for accessing and penetrating an anatomical structure using suction force and energy ablation or mechanical penetration. In one aspect, a catheter is stabilized on the occlusion, a longitudinal member is advanced to penetrate the occlusion and recanalize the body vessel. In another aspect, a catheter is stabilized on the pericardium, ablation energy is delivered through a longitudinal member to create an opening on the pericardium.Type: ApplicationFiled: June 4, 2015Publication date: September 24, 2015Inventors: Wayne Ogata, Osamu Katoh
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Patent number: 9119651Abstract: A method and systems for treating chronic total occlusions, particularly those that are difficult to treat, is disclosed. In this approach, recanalizing the CTO is achieved using a combined antegrade and retrograde approach. The proximal end of the occlusion is penetrated using an antegrade wire, using a traditional approach. Using collateral vessels, the distal end of the occlusion is crossed in a retrograde fashion and by appropriately maneuvering each member, a continuous channel is created. Additional elements such as capture devices, dilators and injection catheters are also disclosed.Type: GrantFiled: April 23, 2008Date of Patent: September 1, 2015Assignee: Retro Vascular, Inc.Inventors: Osamu Katoh, Wayne Ogata
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Patent number: 8911435Abstract: A method and systems for treating chronic total occlusions (CTOs), particularly those that are difficult to treat. CTO recanalization is achieved using radiofrequency ablation directed at the occlusion between antegrade and retrograde guidewires placed on either side of the occlusion.Type: GrantFiled: September 23, 2008Date of Patent: December 16, 2014Assignee: Retrovascular, Inc.Inventors: Osamu Katoh, Wayne Ogata
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Patent number: 8551073Abstract: A catheter device (K, K1, K2 and K3) has a flexible hollow tube body (1) formed by a plurality of austenitic stainless steel wires (2) cylindrically stranded to provide a hollow structure. An inner surface of the flexible hollow tube body (1) has a convex-concave structure represented by the stainless steel wires (2) to provide helical grooves (30). A leading distal end of the flexible hollow tube body (1) is formed into a knife-edge circle configuration to provide a knife-edge circle front (3), thus imparting a perforative capability to improve its quality and performance.Type: GrantFiled: June 9, 2009Date of Patent: October 8, 2013Assignees: Osamu Katoh, Asahi Intecc Co., Ltd.Inventors: Osamu Katoh, Shinji Ozawa, Tomihisa Kato
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Publication number: 20130131513Abstract: A method and systems for treating chronic total occlusions, particularly those that are difficult to treat, is disclosed. In this approach, recanalizing the CTO is achieved using a combined antegrade and retrograde approach. The proximal end of the occlusion is penetrated using an antegrade wire, using a traditional approach. Using collateral vessels, the distal end of the occlusion is crossed in a retrograde fashion. By appropriately maneuvering each member and applying radiofrequency energy between the proximal and distal ends of the occlusion, a continuous channel is created.Type: ApplicationFiled: April 1, 2011Publication date: May 23, 2013Applicant: Retrovascular, Inc.Inventors: Osamu Katoh, Wayne Ogata
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Publication number: 20120296262Abstract: A device for delivering a composition to a hollow body region is disclosed. In one aspect, the device comprises a first longitudinal member and a second longitudinal member. Both of the longitudinal members may comprise conductive electrodes. The longitudinal members are further configured to be connected to an energy source such that the conductive electrodes are configured to generate an energy field. At least one of the longitudinal members further comprises a delivery element configured to deliver at least one composition to the body region, such that the composition is delivered in a direction that is influenced by the generated energy field. In one aspect, the body region is a vessel comprising an occlusion.Type: ApplicationFiled: July 27, 2012Publication date: November 22, 2012Applicant: RETROVASCULAR, INC.Inventors: Wayne Ogata, Osamu Katoh
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Publication number: 20120289983Abstract: Devices and methods for recanalization of occluded body vessels using novel guidewires. A novel double-sided guidewire comprises a cross-section tapering from a more rigid middle section towards more flexible head sections. A first head of the guidewire is inserted into the occluded body vessel in a retrograde direction to traverse an occlusion. The guidewire is further advanced in the retrograde direction such that the first head and a portion of the middle section are retrieved from the body, thereby positioning the remainder of the guidewire traversing the occlusion in an antegrade direction and allowing for over the wire re-canalization techniques in the antegrade direction.Type: ApplicationFiled: February 14, 2011Publication date: November 15, 2012Applicant: RETROVASCULAR, INC.Inventors: Wayne Ogata, Osamu Katoh
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Patent number: 8206356Abstract: A structure includes a main tube 2 that contains a needlelike tubular body lumen 10 through which a needlelike tubular body 3 is inserted, with a distal section 4 of the main tube 2 having a first guide wire insertion section 33 and second guide wire insertion section 35, respectively containing a first guide wire lumen 38 and second guide wire lumen 52 through which a first guide wire 32 and second guide wire 34 are inserted. This structure further has a support tube 62 whose tip remains a free end, wherein this support tube 62 accepts a part of the second guide wire 34 extending out of the second guide wire lumen 52 and thereby supports the second guide wire insertion section 35.Type: GrantFiled: September 19, 2006Date of Patent: June 26, 2012Assignees: ASAHI Intecc Co., Ltd.Inventors: Osamu Katoh, Estuo Tsuchikane, Atsushi Kureha, Nobuyoshi Watanabe
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Patent number: 7985204Abstract: A needle-like tubular body (12) with its tip formed as a needle, a first guide wire (14), and a second guide wire (16) are inserted into a main tube (10). A first opening and a second opening (28 and 36) through which a first guide wire and a second guide wire (14 and 16) are respectively extended out of the main tube (10) are provided in the main tube (10). A projection aperture (32) through which the needle of the needle-like tubular body (12) is projected out of the main tube (10) is provided in the main tube (10). A support tube (60) that supports the part of the second guide wire (16) extending from the second opening (36) is further provided in the main tube (10).Type: GrantFiled: June 24, 2005Date of Patent: July 26, 2011Assignees: Asahi Intecc Co., Ltd., Osamu KatohInventors: Osamu Katoh, Manabu Shimogami, Atsushi Kureha
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Patent number: 7977073Abstract: The present invention relates to an amide hydrolase which is with excellent thermostability and stereoselectively hydrolyzes an ?-amino acid amide; a gene encoding the enzyme protein; a novel recombinant vector containing the gene; a transformant containing the recombinant vector; and a process for producing an L-?-amino acid using the transformant.Type: GrantFiled: August 28, 2002Date of Patent: July 12, 2011Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Osamu Katoh, Takanori Akiyama, Tetsuji Nakamura
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Publication number: 20110166591Abstract: A method and systems for treating chronic total occlusions, particularly those that are difficult to treat, is disclosed. In this approach, recanalizing the CTO is achieved using a combined antegrade and retrograde approach. The proximal end of the occlusion is penetrated using an antegrade wire, using a traditional approach. Using collateral vessels, the distal end of the occlusion is crossed in a retrograde fashion and by appropriately maneuvering each member, a continuous channel is created. Additional elements such as capture devices, dilators and injection catheters are also disclosed.Type: ApplicationFiled: February 28, 2011Publication date: July 7, 2011Inventors: Osamu KATOH, Wayne OGATA
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Patent number: 7958894Abstract: A drape for clean operation is a flexible bag-shaped structure for maintaining a substantially closed operating space around an operation site. The bag-shaped structure comprises a bottom wall 1 and a transparent top wall 2 and has a closed proximal end 100a and a closed distal end 100b. The bottom wall 1 is provided with at least one operation site-revealing opening 3 close to the proximal end, and the top wall 2 is provided with at least one pair of hand insertion parts 4 at a position close to the operation site-revealing opening 3 to allow the physician to aseptically insert the hands into the operating space, and a closed, openable and closable medical device supply port 5 for supplying medical devices required for operations at a position away from the operation site-revealing opening 3.Type: GrantFiled: March 27, 2006Date of Patent: June 14, 2011Assignees: Osamu Katoh, Nipro CorporationInventors: Osamu Katoh, Masao Horie, Yoshihiko Sano, Yasushi Ohyama, Norihiko Furuta
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Patent number: 7918859Abstract: A method and systems for treating chronic total occlusions, particularly those that are difficult to treat, is disclosed. In this approach, recanalizing the CTO is achieved using a combined antegrade and retrograde approach. The proximal end of the occlusion is penetrated using an antegrade wire, using a traditional approach. Using collateral vessels, the distal end of the occlusion is crossed in a retrograde fashion and by appropriately maneuvering each member, a continuous channel is created. Additional elements such as capture devices, dilators and injection catheters are also disclosed.Type: GrantFiled: February 12, 2007Date of Patent: April 5, 2011Assignee: Retro Vascular, Inc.Inventors: Osamu Katoh, Wayne Ogata
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Publication number: 20100292685Abstract: A method and systems for treating chronic total occlusions (CTOs), particularly those that are difficult to treat. CTO recanalization is achieved using radiofrequency ablation directed at the occlusion between antegrade and retrograde guidewires placed on either side of the occlusion.Type: ApplicationFiled: September 23, 2008Publication date: November 18, 2010Applicant: RETROVASCULAR, INC.Inventors: Osamu Katoh, Wayne Ogata
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Publication number: 20100256616Abstract: A method and systems for treating chronic total occlusions, particularly those that are difficult to treat, is disclosed. In this approach, recanalizing the CTO is achieved using a combined antegrade and retrograde approach. The proximal end of the occlusion is penetrated using an antegrade wire, using a traditional approach. Using collateral vessels, the distal end of the occlusion is crossed in a retrograde fashion. By appropriately maneuvering each member and applying radiofrequency energy between the proximal and distal ends of the occlusion, a continuous channel is created.Type: ApplicationFiled: April 2, 2010Publication date: October 7, 2010Inventors: Osamu Katoh, Wayne Ogata
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Patent number: 7636228Abstract: The present invention provides an arrester in which energy during discharge is not concentrated in one point and which has good responsiveness to overvoltage. The arrester is provided with an energy absorber 3 that absorbs energy when a lightning strike occurs, and a pair of conductive electrodes 1 and 2. Between the pair of conductive electrodes 1 and 2, two air gaps 9 are formed in series, between the conductive electrode 1 and the energy absorber 3, and between the conductive electrode 2 and the energy absorber 3. The two air gaps 9 include planer gaps.Type: GrantFiled: July 7, 2005Date of Patent: December 22, 2009Assignees: Array Proto Technology Inc.Inventors: Tetsuo Hino, Osamu Katoh, Tetsuya Sakuda
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Publication number: 20090254107Abstract: A catheter device (K, K1, K2 and K3) has a flexible hollow tube body (1) formed by a plurality of austenitic stainless steel wires (2) cylindrically stranded to provide a hollow structure. An inner surface of the flexible hollow tube body (1) has a convex-concave structure represented by the stainless steel wires (2) to provide helical grooves (30). A leading distal end of the flexible hollow tube body (1) is formed into a knife-edge circle configuration to provide a knife-edge circle front (3), thus imparting a perforative capability to improve its quality and performance.Type: ApplicationFiled: June 9, 2009Publication date: October 8, 2009Applicants: Asahi Intecc Co., Ltd.Inventors: Osamu Katoh, Shinji Ozawa, Tomihisa Kato
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Publication number: 20090241970Abstract: A drape for clean operation is a flexible bag-shaped structure for maintaining a substantially closed operating space around an operation site. The bag-shaped structure comprises a bottom wall 1 and a transparent top wall 2 and has a closed proximal end 100a and a closed distal end 100b. The bottom wall 1 is provided with at least one operation site-revealing opening 3 close to the proximal end, and the top wall 2 is provided with at least one pair of hand insertion parts 4 at a position close to the operation site-revealing opening 3 to allow the physician to aseptically insert the hands into the operating space, and a closed, openable and closable medical device supply port 5 for supplying medical devices required for operations at a position away from the operation site-revealing opening 3.Type: ApplicationFiled: March 27, 2006Publication date: October 1, 2009Applicant: NIPRO CORPORATIONInventors: Osamu Katoh, Masao Horie, Yoshihiko Sano, Yasushi Ohyama, Norihiko Furuta
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Publication number: 20090215132Abstract: The present invention relates to an amide hydrolase which is with excellent thermostability and stereoselectively hydrolyzes an ?-amino acid amide; a gene encoding the enzyme protein; a novel recombinant vector containing the gene; a transformant containing the recombinant vector; and a process for producing an L-?-amino acid using the transformant.Type: ApplicationFiled: August 28, 2002Publication date: August 27, 2009Inventors: Osamu Katoh, Takanori Akiyama, Tetsuji Nakamura
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Patent number: D622378Type: GrantFiled: April 2, 2009Date of Patent: August 24, 2010Assignee: Nipro CorporationInventor: Osamu Katoh