Patents by Inventor Rongwei Jason Xuan
Rongwei Jason Xuan 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: 20190083176Abstract: Aspects of this disclosure pertain to a device with an elongated body having a distal end. The distal end may comprise a port that permits discharge of a laser energy towards a tissue from an optical fiber located in the distal end. An exterior surface of the distal end may include a cauterization portion that permits discharge of a cauterization energy towards the tissue. In some aspects, the device includes an insulative portion that attaches the distal end to the elongated body and limits energy transfer therebetween. Related systems and methods are also disclosed.Type: ApplicationFiled: November 9, 2018Publication date: March 21, 2019Applicant: Boston Scientific Scimed, Inc.Inventors: Hui Wang, Wen-Jui Ray CHIA, Rongwei Jason XUAN, Jian James ZHANG, Aditi RAY, Honggang YU
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Patent number: 10219863Abstract: A surgical laser system includes an array of laser diodes that are configured to output laser energy, a fiber bundle, a delivery fiber, and a tubular sheath. The fiber bundle includes a plurality of optical fibers and has a proximal end that is configured to receive laser energy from the array of laser diodes. The delivery fiber includes a proximal end that is configured to receive laser energy from a distal end of the fiber bundle. The tubular sheath defines a lumen, in which at least a portion of the delivery fiber is disposed. The tubular sheath is insertable into a working channel of an endoscope or a cystoscope. A distal end of the tubular sheath is configured to deliver laser energy discharged from the delivery fiber into a body of a patient.Type: GrantFiled: November 13, 2015Date of Patent: March 5, 2019Assignee: Boston Scientific Scimed, Inc.Inventors: Honggang Yu, Rongwei Jason Xuan, Jian James Zhang, David N. Horn, Xirong Yang, Thomas Hasenberg
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Patent number: 10149717Abstract: Aspects of this disclosure pertain to a device with an elongated body having a distal end. The distal end may comprise a port that permits discharge of a laser energy towards a tissue from an optical fiber located in the distal end. An exterior surface of the distal end may include a cauterization portion that permits discharge of a cauterization energy towards the tissue. In some aspects, the device includes an insulative portion that attaches the distal end to the elongated body and limits energy transfer therebetween. Related systems and methods are also disclosed.Type: GrantFiled: July 13, 2016Date of Patent: December 11, 2018Assignee: Boston Scientific Scimed, Inc.Inventors: Hui Wang, Wen-Jui Ray Chia, Rongwei Jason Xuan, Jian James Zhang, Aditi Ray, Honggang Yu
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Publication number: 20180341074Abstract: Fluid cooled optical fibers are disclosed. An exemplary fiber comprises a fiber body including a distal end, an inner cap surrounding said distal end, an outer cap surrounding said inner cap, and a tube attached to said outer cap. The tube and outer cap may define a first flow channel, the outer and inner caps may define a second flow channel, and the outer cap may including one or openings for placing the first flow channel in communication with the second flow channel. Associated systems also are disclosed.Type: ApplicationFiled: August 7, 2018Publication date: November 29, 2018Applicant: Boston Scientific Scimed, Inc.Inventors: Honggang YU, Rongwei Jason XUAN
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Publication number: 20180303549Abstract: A surgical laser system (100) includes a first laser source (140A), a second laser source (140B), a beam combiner (142) and a laser probe (108). The first laser source is configured to output a first laser pulse train (144, 104A) comprising first laser pulses (146). The second laser source is configured to output a second laser pulse train (148, 104B) comprising second laser pulses (150). The beam combiner is configured to combine the first and second laser pulse trains and output a combined laser pulse train (152, 104) comprising the first and second laser pulses. The laser probe is optically coupled to an output of the beam combiner and is configured to discharge the combined laser pulse train. In some embodiments, a surgical laser system includes a laser generator (102), a laser probe (108), a stone analyzer (170), and a controller (122). The laser generator is configured to generate laser energy (104) based on laser energy settings (126). The laser probe is configured to discharge the laser energy.Type: ApplicationFiled: June 29, 2018Publication date: October 25, 2018Applicant: Boston Scientific Scimed, Inc.Inventors: Wen-Jui Ray Chia, Rongwei Jason Xuan, Thomas C. Hasenberg, Jian James Zhang, Steven Yihlih Peng, Danop Rajabhandharaks
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Patent number: 10067304Abstract: Fluid cooled optical fibers are disclosed. An exemplary fiber comprises a fiber body including a distal end, an inner cap surrounding said distal end, an outer cap surrounding said inner cap, and a tube attached to said outer cap. The tube and outer cap may define a first flow channel, the outer and inner caps may define a second flow channel, and the outer cap may including one or openings for placing the first flow channel in communication with the second flow channel. Associated systems also are disclosed.Type: GrantFiled: December 19, 2017Date of Patent: September 4, 2018Assignee: Boston Scientific Scimed, Inc.Inventors: Honggang Yu, Rongwei Jason Xuan
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Publication number: 20180235699Abstract: An optical device including an optical fiber having a longitudinal axis and an optical fiber core with a distal end having a distal terminating end configured to discharge a first laser energy in a first direction and a second laser energy in a second direction. The optical device also includes a fiber cap having an interior cavity and an opening to the interior cavity, where the distal end of the optical fiber core is received within the interior cavity through the opening. A cladding is included on the distal end of the optical fiber core between the optical fiber core and the fiber cap.Type: ApplicationFiled: April 17, 2018Publication date: August 23, 2018Applicant: Boston Scientific Scimed, Inc.Inventors: Thomas Charles HASENBERG, Rongwei Jason XUAN, Brian P. WATSCHKE, Douglas Lawrence EVANS, Guangjian WANG, Steven Yihlih PENG, Wen-Jui Ray CHIA
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Patent number: 10039604Abstract: A system may include a stone analyzer, a controller, a laser generator, and a beam combiner. The stone analyzer may be configured to generate an output relating to a natural or resonance frequency of a kidney or bladder stone. The controller may be configured to determine the natural or resonance frequency of the stone based on the output from the stone analyzer, and match a resultant pulse repetition rate with the natural or resonance frequency. The laser generator may be configured to generate at least two laser pulse trains, with each laser pulse train including laser pulses at a pulse repetition rate. The beam combiner may be configured to combine the at least two laser pulse trains into a combined laser pulse train including laser pulses at the resultant pulse repetition rate.Type: GrantFiled: July 31, 2017Date of Patent: August 7, 2018Assignee: Boston Scientific Scimed, Inc.Inventors: Wen-Jui Ray Chia, Rongwei Jason Xuan, Thomas C. Hasenberg, Jian James Zhang, Steven Yihlih Peng, Danop Rajabhandharaks
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Publication number: 20180172931Abstract: Fluid cooled optical fibers are disclosed. An exemplary fiber comprises a fiber body including a distal end, an inner cap surrounding said distal end, an outer cap surrounding said inner cap, and a tube attached to said outer cap. The tube and outer cap may define a first flow channel, the outer and inner caps may define a second flow channel, and the outer cap may including one or openings for placing the first flow channel in communication with the second flow channel. Associated systems also are disclosed.Type: ApplicationFiled: December 19, 2017Publication date: June 21, 2018Applicant: Boston Scientific Scimed, Inc.Inventors: Honggang Yu, Rongwei Jason Xuan
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Patent number: 9968403Abstract: An optical device including an optical fiber having a longitudinal axis and an optical fiber core with a distal end having a distal terminating end configured to discharge a first laser energy in a first direction and a second laser energy in a second direction. The optical device also includes a fiber cap having an interior cavity and an opening to the interior cavity, where the distal end of the optical fiber core is received within the interior cavity through the opening. A cladding is included on the distal end of the optical fiber core between the optical fiber core and the fiber cap.Type: GrantFiled: October 16, 2013Date of Patent: May 15, 2018Assignee: Boston Scientific Scimed, Inc.Inventors: Thomas Charles Hasenberg, Steven Yihlih Peng, Brian P. Watschke, Douglas L. Evans, Guangjian Wang, Rongwei Jason Xuan, Wen-Jui Ray Chia
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Publication number: 20180078310Abstract: A laser system may include a first laser source configured to output a first laser energy at a first wavelength, a second laser source configured to output a second laser energy at a second wavelength, and a combiner configured to receive the first and second laser energies and output a dual-wavelength laser energy. The first and second wavelengths are different, and first and second laser energies are output simultaneously. Related systems and methods are also disclosed.Type: ApplicationFiled: September 15, 2017Publication date: March 22, 2018Applicant: Boston Scientific Scimed, Inc.Inventors: Rongwei Jason XUAN, Edouard A. KOULLICK, Thomas HASENBERG, Jieun HWANG, Hyejin KIM, Hanjae PYO, Hyun Wook KANG, Jason GONG, Xirong YANG, Honggang YU
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Publication number: 20180049806Abstract: A side-fire laser fiber includes an optical fiber having a distal end and a fiber cap. The fiber cap is coupled to the distal end of the optical fiber and includes a molded reflective surface and a sealed cavity. The molded reflective surface defines a wall of the cavity. Laser energy discharged from the distal end along a central axis of the optical fiber is reflected off the molded reflective surface in a direction that is transverse to the central axis.Type: ApplicationFiled: March 19, 2015Publication date: February 22, 2018Inventors: Honggang YU, Rongwei Jason XUAN, Jian James ZHANG
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Publication number: 20180042677Abstract: In one aspect of the present disclosure, a laser fiber may include an optical fiber. The optical fiber may include a proximal portion. The optical fiber also may include a distal portion having a distal end. The optical fiber may be configured to transmit laser energy from the proximal portion to the distal portion for emission of the laser energy from the distal end. The optical fiber also may include a distal tip surrounding the distal portion to protect the distal portion. The distal tip may include a sheet glass material having a laser energy emitting surface. The laser energy emitting surface may be defined by a chemically-strengthened surface layer.Type: ApplicationFiled: August 11, 2017Publication date: February 15, 2018Applicant: Boston Scientific Scimed, Inc.Inventors: Honggang YU, Rongwei Jason XUAN, Jian ZHANG, Charles Alexander Ikan BURDAN
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Patent number: 9882338Abstract: A laser system includes a laser element, a pump source configured to input light to the laser element, a first cooling circuit and a second cooling circuit. The first cooling circuit includes a first pump configured to drive a first flow of cooling liquid through a first fluid pathway, a first primary heat exchanger configured to cool the first flow of cooling liquid, and a laser element heat exchanger configured to remove heat from the laser element using the first flow of cooling liquid. The second cooling circuit includes a second pump configured to drive a flow of cooling liquid through a second fluid pathway, a second primary heat exchanger configured to cool the second flow of cooling liquid, and a pump source heat exchanger configured to remove heat from the pump source using the first and second flows of cooling liquid.Type: GrantFiled: May 13, 2016Date of Patent: January 30, 2018Assignee: Boston Scientific Scimed, Inc.Inventors: Rongwei Jason Xuan, Douglas L. Evans
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Publication number: 20170325890Abstract: A system may include a stone analyzer, a controller, a laser generator, and a beam combiner. The stone analyzer may be configured to generate an output relating to a natural or resonance frequency of a kidney or bladder stone. The controller may be configured to determine the natural or resonance frequency of the stone based on the output from the stone analyzer, and match a resultant pulse repetition rate with the natural or resonance frequency. The laser generator may be configured to generate at least two laser pulse trains, with each laser pulse train including laser pulses at a pulse repetition rate. The beam combiner may be configured to combine the at least two laser pulse trains into a combined laser pulse train including laser pulses at the resultant pulse repetition rate.Type: ApplicationFiled: July 31, 2017Publication date: November 16, 2017Inventors: Wen-Jui Ray CHIA, Rongwei Jason Xuan, Thomas C. Hasenberg, Jian James Zhang, Steven Yihlih Peng, Danop Rajabhandharaks
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Patent number: 9757199Abstract: A surgical laser system includes a first laser source, a second laser source, a beam combiner and a laser probe. The first laser source is configured to output a first laser pulse train comprising first laser pulses. The second laser source is configured to output a second laser pulse train comprising second laser pulses. The beam combiner is configured to combine the first and second laser pulse trains and output a combined laser pulse train comprising the first and second laser pulses. The laser probe is optically coupled to an output of the beam combiner and is configured to discharge the combined laser pulse train.Type: GrantFiled: March 11, 2013Date of Patent: September 12, 2017Assignee: Boston Scientific Scimed, Inc.Inventors: Wen-Jui Ray Chia, Rongwei Jason Xuan, Thomas C. Hasenberg, Jian James Zhang, Steven Yihlih Peng, Danop Rajabhandharaks
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Patent number: 9680281Abstract: In a method, a laser pump module is set to a first power mode and pump energy is output at a first power level through the activation of a first subset of laser diodes. Laser light is emitted from a gain medium at the first power level in response to absorption of the pump energy. An operator input corresponding to a power mode setting is received. The laser pump module is switched to a second power mode and pump energy is output at a second power level through the activation of a second subset of the laser diodes. Laser light is emitted from the gain medium at the second power level in response to absorption of the pump energy.Type: GrantFiled: February 12, 2015Date of Patent: June 13, 2017Assignee: Boston Scientific Scimed, Inc.Inventors: Rongwei Jason Xuan, Michael R. Hodel, Douglas G. Stinson, Raymond Adam Nemeyer
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Publication number: 20170014187Abstract: Aspects of this disclosure pertain to a device with an elongated body having a distal end. The distal end may comprise a port that permits discharge of a laser energy towards a tissue from an optical fiber located in the distal end. An exterior surface of the distal end may include a cauterization portion that permits discharge of a cauterization energy towards the tissue. In some aspects, the device includes an insulative portion that attaches the distal end to the elongated body and limits energy transfer therebetween. Related systems and methods are also disclosed.Type: ApplicationFiled: July 13, 2016Publication date: January 19, 2017Applicant: Boston Scientific Scimed, Inc.Inventors: Hui Wang, Wen-Jui Ray CHIA, Rongwei Jason XUAN, Jian James ZHANG, Aditi RAY, Honggang YU
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Patent number: 9531148Abstract: A laser resonator comprises a cylindrical gain medium, a cooling system and a coupling member. The cylindrical gain medium comprises a central axis, an outer side surface, two opposing end faces and a first depression in the outer side surface. The cooling system comprises a cooling jacket disposed around the gain medium that defines a cooling cavity, in which cooling fluid is guided over the side surface of the gain medium. In one embodiment, the cooling jacket comprises a second depression. The coupling member is received within the first and second depressions. Movement of the first depression along the central axis relative to the cooling jacket is restricted by the coupling member.Type: GrantFiled: December 28, 2010Date of Patent: December 27, 2016Assignee: Boston Scientific Scimed, Inc.Inventors: Rongwei Jason Xuan, Russel E. Klein, Michael A. Scott, James E. Johnson, Edward D. Reed, Jr., Xirong Yang
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Publication number: 20160254636Abstract: A laser system includes a laser element, a pump source configured to input light to the laser element, a first cooling circuit and a second cooling circuit. The first cooling circuit includes a first pump configured to drive a first flow of cooling liquid through a first fluid pathway, a first primary heat exchanger configured to cool the first flow of cooling liquid, and a laser element heat exchanger configured to remove heat from the laser element using the first flow of cooling liquid. The second cooling circuit includes a second pump configured to drive a flow of cooling liquid through a second fluid pathway, a second primary heat exchanger configured to cool the second flow of cooling liquid, and a pump source heat exchanger configured to remove heat from the pump source using the first and second flows of cooling liquid.Type: ApplicationFiled: May 13, 2016Publication date: September 1, 2016Applicant: Boston Scientific Scimed, Inc.Inventors: Rongwei Jason Xuan, Douglas L. Evans