Patents by Inventor Brian Shiu
Brian Shiu 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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Patent number: 11045253Abstract: An electrosurgical energy channel splitter apparatus includes a channel input a plurality of channel outputs, and a controller. The channel input is configured to receive electrosurgical energy from an electrosurgical energy source. Each channel output is configured to couple to a respective electrosurgical device. The controller is coupled to the channel input and the plurality of channel outputs. The controller is configured to selectively direct the electrosurgical energy from the channel input to one of the plurality of channel outputs.Type: GrantFiled: August 6, 2018Date of Patent: June 29, 2021Assignee: COVIDIEN LPInventors: Mani Prakash, Francesca Rossetto, Steven Kim, Brian Shiu, Thomas J. Fogarty, Sascha Zarins
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Patent number: 10271903Abstract: A conduit assembly for transmitting energy between an electrosurgical energy generator and an energy delivering device comprises a first cable sub-assembly including a cable having a flexibility and an energy attenuation; a second cable sub-assembly including a cable having a flexibility and an energy attenuation; wherein the flexibility of the cable of the first cable sub-assembly is less than the flexibility of the cable of the second cable sub-assembly; and wherein the energy attenuation of the cable of the first cable sub-assembly is less than the energy attenuation of the cable of the second cable sub-assembly.Type: GrantFiled: October 31, 2017Date of Patent: April 30, 2019Assignee: Covidien LPInventors: Francesca Rossetto, Mani N. Prakash, Brian Shiu
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Publication number: 20180360539Abstract: An electrosurgical energy channel splitter apparatus includes a channel input a plurality of channel outputs, and a controller. The channel input is configured to receive electrosurgical energy from an electrosurgical energy source. Each channel output is configured to couple to a respective electrosurgical device. The controller is coupled to the channel input and the plurality of channel outputs. The controller is configured to selectively direct the electrosurgical energy from the channel input to one of the plurality of channel outputs.Type: ApplicationFiled: August 6, 2018Publication date: December 20, 2018Inventors: MANI PRAKASH, FRANCESCA ROSSETTO, STEVEN KIM, BRIAN SHIU, THOMAS J. FOGARTY, SASCHA ZARINS
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Patent number: 10143520Abstract: An antenna guide assembly including a guide body having a proximal end defining at least one proximal entry, a distal end defining at least one distal port, and at least one guide passage extending between the proximal and distal ends. The at least one guide passage is configured to receive at least a portion of an antenna therethrough via the at least one proximal entry such that a distal portion of the antenna extends through and distally from the at least one distal port for insertion into tissue. A locking assembly disposed at the distal end of the guide body is configured to receive the distal portion of the antenna therethrough. The locking assembly is configured to selectively engage the distal portion of the antenna to prevent translation of the antenna within the at least one guide passage.Type: GrantFiled: October 27, 2015Date of Patent: December 4, 2018Assignee: Covidien LPInventors: Mani N. Prakash, Francesca Rossetto, Steven Kim, Brian Shiu, Thomas J. Fogarty, Sascha Zarins
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Patent number: 10039602Abstract: An electrosurgical energy channel splitter apparatus includes a channel input a plurality of channel outputs, and a controller. The channel input is configured to receive electrosurgical energy from an electrosurgical energy source. Each channel output is configured to couple to a respective electrosurgical device. The controller is coupled to the channel input and the plurality of channel outputs. The controller is configured to selectively direct the electrosurgical energy from the channel input to one of the plurality of channel outputs.Type: GrantFiled: August 18, 2014Date of Patent: August 7, 2018Assignee: Covidien LPInventors: Mani Prakash, Francesca Rossetto, Steven Kim, Brian Shiu, Thomas J. Fogarty, Sascha Zarins
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Publication number: 20180049805Abstract: A conduit assembly for transmitting energy between an electrosurgical energy generator and an energy delivering device comprises a first cable sub-assembly including a cable having a flexibility and an energy attenuation; a second cable sub-assembly including a cable having a flexibility and an energy attenuation; wherein the flexibility of the cable of the first cable sub-assembly is less than the flexibility of the cable of the second cable sub-assembly; and wherein the energy attenuation of the cable of the first cable sub-assembly is less than the energy attenuation of the cable of the second cable sub-assembly.Type: ApplicationFiled: October 31, 2017Publication date: February 22, 2018Inventors: FRANCESCA ROSSETTO, MANI N. PRAKASH, BRIAN SHIU
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Patent number: 9867664Abstract: A method of deploying an antenna of an ablation device includes the step of placing an introducing member relative to tissue. The introducing member is disposed on a distal end of a handle member. The method also includes the steps of advancing an antenna distally through the handle member and at least partially through the introducer and rotating the handle member about the longitudinal axis thereof relative to the antenna. The method also includes the step of moving the handle member proximally along the longitudinal axis thereof to retract the introducer proximally relative to the antenna such that the antenna is at least partially deployed relative to the introducer to treat tissue.Type: GrantFiled: May 3, 2010Date of Patent: January 16, 2018Assignee: COVIDIEN LPInventors: Brian Shiu, Kyle R. Rick, Mani N. Prakash
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Patent number: 9808313Abstract: A conduit assembly for transmitting energy between an electrosurgical energy generator and an energy delivering device comprises a first cable sub-assembly including a cable having a flexibility and an energy attenuation; a second cable sub-assembly including a cable having a flexibility and an energy attenuation; wherein the flexibility of the cable of the first cable sub-assembly is less than the flexibility of the cable of the second cable sub-assembly; and wherein the energy attenuation of the cable of the first cable sub-assembly is less than the energy attenuation of the cable of the second cable sub-assembly.Type: GrantFiled: April 1, 2016Date of Patent: November 7, 2017Assignee: COVIDIEN LPInventors: Francesca Rossetto, Mani N. Prakash, Brian Shiu
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Publication number: 20170135761Abstract: A microwave antenna assembly is disclosed. The antenna assembly includes an elongated member defining a longitudinal axis and having proximal and distal ends. The antenna assembly also includes an outer conductor and an inner conductor each disposed within the elongated member and extending along the longitudinal axis. A portion of the inner conductor is deployable relative to the outer conductor such that the antenna assembly may transition from a first configuration to a second configuration. The antenna assembly also includes an expandable sheath at least partially disposed about a distal portion of the inner conductor and defining at one or more lumens configured to couple to a supply of dielectric material used to regulate the expansion of the expandable sheath.Type: ApplicationFiled: January 23, 2017Publication date: May 18, 2017Inventors: BRIAN SHIU, KENLYN S. BONN, MANI N. PRAKASH, TAO NGUYEN
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Patent number: 9549778Abstract: A microwave antenna assembly is disclosed. The antenna assembly includes an elongated member defining a longitudinal axis and having proximal and distal ends. The antenna assembly also includes an outer conductor and an inner conductor each disposed within the elongated member and extending along the longitudinal axis. A portion of the inner conductor is deployable relative to the outer conductor such that the antenna assembly may transition from a first configuration to a second configuration. The antenna assembly also includes an expandable sheath at least partially disposed about a distal portion of the inner conductor and defining at one or more lumens configured to couple to a supply of dielectric material used to regulate the expansion of the expandable sheath.Type: GrantFiled: May 19, 2014Date of Patent: January 24, 2017Assignee: COVIDIEN LPInventors: Brian Shiu, Kenlyn S. Bonn, Mani N. Prakash, Tao Nguyen
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Publication number: 20160302866Abstract: A microwave ablation system is provided. The microwave ablation system includes a power source. A microwave antenna is adapted to connect to the power source via a coaxial cable feed including an inner conductor defining a portion of a radiating section of the microwave antenna, an outer conductor and dielectric shielding. The inner conductor loops back around and toward the outer conductor of the coaxial cable feed such that a distal end of the inner conductor is operably disposed adjacent the dielectric shielding. The inner conductor includes one or more reactive components disposed thereon forming a reactively-loaded loop configuration configured to maximize delivery of microwave energy from the power source to tissue such that a desired effect to tissue is achieved.Type: ApplicationFiled: June 27, 2016Publication date: October 20, 2016Inventors: BRIAN SHIU, JOSEPH D. BRANNAN, MANI N. PRAKASH
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Publication number: 20160249981Abstract: A microwave antenna assembly comprising an elongate shaft having proximal and distal ends and a lumen defined therebetween, a conductive member at least partially disposed within the inner lumen of elongate shaft, conductive member being selectively deployable relative to a distal end of elongate shaft from a first condition wherein a distal end of conductive member at least partially abuts the distal end of elongate shaft to a second condition wherein the distal end of conductive member is spaced relative to the distal end of elongate shaft and a first dielectric material disposed between elongate shaft and conductive member, wherein a portion of conductive member is distal to the distal end of elongate shaft and adapted to penetrate tissue.Type: ApplicationFiled: May 9, 2016Publication date: September 1, 2016Inventors: MANI N. PRAKASH, EMILIE JOHNSON, TAO NGUYEN, BRIAN SHIU
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Publication number: 20160213425Abstract: A conduit assembly for transmitting energy between an electrosurgical energy generator and an energy delivering device comprises a first cable sub-assembly including a cable having a flexibility and an energy attenuation; a second cable sub-assembly including a cable having a flexibility and an energy attenuation; wherein the flexibility of the cable of the first cable sub-assembly is less than the flexibility of the cable of the second cable sub-assembly; and wherein the energy attenuation of the cable of the first cable sub-assembly is less than the energy attenuation of the cable of the second cable sub-assembly.Type: ApplicationFiled: April 1, 2016Publication date: July 28, 2016Inventors: FRANCESCA ROSSETTO, MANI N. PRAKASH, BRIAN SHIU
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Patent number: 9375276Abstract: A microwave ablation system is provided. The microwave ablation system includes a power source. A microwave antenna is adapted to connect to the power source via a coaxial cable feed including an inner conductor defining a portion of a radiating section of the microwave antenna, an outer conductor and dielectric shielding. The inner conductor loops back around and toward the outer conductor of the coaxial cable feed such that a distal end of the inner conductor is operably disposed adjacent the dielectric shielding. The inner conductor includes one or more reactive components disposed thereon forming a reactively-loaded loop configuration configured to maximize delivery of microwave energy from the power source to tissue such that a desired effect to tissue is achieved.Type: GrantFiled: February 25, 2014Date of Patent: June 28, 2016Assignee: COVIDIEN LPInventors: Brian Shiu, Joseph D. Brannan, Mani N. Prakash
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Patent number: 9343720Abstract: The described embodiments relate to methods and apparatus for improving pick and place operations. Pick and place operations involving the movement of flexible substrates can be improved by cooling a flexible substrate below a threshold temperature at which the flexible substrate transitions from a flexible state to a rigid state. Once in the rigid state, the flexible substrate can be handled and maneuvered by pick and place operations for a period of time with a limited risk of the flexible substrate wrinkling and tearing. In some embodiments, the flexible substrate is a thin polymeric substrate used to separate oppositely charged battery cells within a battery assembly.Type: GrantFiled: August 5, 2014Date of Patent: May 17, 2016Assignee: Apple Inc.Inventors: Qingcheng Zeng, Shouwei Hao, Brian Shiu
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Patent number: 9333032Abstract: A microwave antenna assembly comprising an elongate shaft having proximal and distal ends and a lumen defined therebetween, a conductive member at least partially disposed within the inner lumen of elongate shaft, conductive member being selectively deployable relative to a distal end of elongate shaft from a first condition wherein a distal end of conductive member at least partially abuts the distal end of elongate shaft to a second condition wherein the distal end of conductive member is spaced relative to the distal end of elongate shaft and a first dielectric material disposed between elongate shaft and conductive member, wherein a portion of conductive member is distal to the distal end of elongate shaft and adapted to penetrate tissue.Type: GrantFiled: October 26, 2011Date of Patent: May 10, 2016Assignee: Covidien LPInventors: Mani N. Prakash, Emilie Johnson, Tao Nguyen, Brian Shiu
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Patent number: 9301802Abstract: A conduit assembly for transmitting energy between an electrosurgical energy generator and an energy delivering device comprises a first cable sub-assembly including a cable having a flexibility and an energy attenuation; a second cable sub-assembly including a cable having a flexibility and an energy attenuation; wherein the flexibility of the cable of the first cable sub-assembly is less than the flexibility of the cable of the second cable sub-assembly; and wherein the energy attenuation of the cable of the first cable sub-assembly is less than the energy attenuation of the cable of the second cable sub-assembly.Type: GrantFiled: January 14, 2014Date of Patent: April 5, 2016Assignee: Covidien LPInventors: Francesca Rossetto, Mani N. Prakash, Brian Shiu
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Publication number: 20160045261Abstract: A microwave antenna having a curved configuration is described herein. The antenna portion is formed into various shapes whereby the antenna substantially encloses, by a partial or complete loop or enclosure, at least a majority of the tissue to be irradiated. When microwave energy is delivered through the antenna, the curved configuration forms an ablation field or region defined by the curved antenna and any tissue enclosed within the ablation region becomes irradiated by the microwave energy. The microwave antenna is deployed through one of several methods, and multiple curved antennas can be used in conjunction with one another. Moreover, RF energy can also be used at the distal tip of the antenna to provide a cutting tip for the antenna during deployment in tissue.Type: ApplicationFiled: October 27, 2015Publication date: February 18, 2016Inventors: MANI N. PRAKASH, FRANCESCA ROSSETTO, STEVEN KIM, BRIAN SHIU, THOMAS J. FOGARTY, SASCHA ZARINS
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Publication number: 20160043369Abstract: The described embodiments relate to methods and apparatus for improving pick and place operations. Pick and place operations involving the movement of flexible substrates can be improved by cooling a flexible substrate below a threshold temperature at which the flexible substrate transitions from a flexible state to a rigid state. Once in the rigid state, the flexible substrate can be handled and maneuvered by pick and place operations for a period of time with a limited risk of the flexible substrate wrinkling and tearing. In some embodiments, the flexible substrate is a thin polymeric substrate used to separate oppositely charged battery cells within a battery assembly.Type: ApplicationFiled: August 5, 2014Publication date: February 11, 2016Inventors: Qingcheng Zeng, Shouwei Hao, Brian Shiu
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Publication number: 20140358139Abstract: An electrosurgical energy channel splitter apparatus includes a channel input a plurality of channel outputs, and a controller. The channel input is configured to receive electrosurgical energy from an electrosurgical energy source. Each channel output is configured to couple to a respective electrosurgical device. The controller is coupled to the channel input and the plurality of channel outputs. The controller is configured to selectively direct the electrosurgical energy from the channel input to one of the plurality of channel outputs.Type: ApplicationFiled: August 18, 2014Publication date: December 4, 2014Inventors: MANI PRAKASH, FRANCESCA ROSSETTO, STEVEN KIM, BRIAN SHIU, THOMAS J. FOGARTY, SASCHA ZARINS