Patents by Inventor George Chao
George Chao 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: 11944276Abstract: A medical introducer includes an elongated tubular member having a proximal end, a distal portion, and a central lumen extending from the proximal end to a distal port in the distal portion. A frame structure is coupled to the distal portion of the elongated tubular member, where frame structure supports the distal portion of the elongated tubular member in a tapered shape and alternatively in a non-tapered shape. The elongated tubular member may include a rigid outer tube and a rigid inner tube carried in an interior lumen of the outer tube. The distal portion is typically a reinforced elastomeric tubular extension of the outer tube, and the reinforced elastomeric tubular extension may have a conical shape.Type: GrantFiled: November 19, 2021Date of Patent: April 2, 2024Assignee: Aulea Medical, Inc.Inventors: George Chao-chih Hsu, Csaba Truckai
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Publication number: 20230190361Abstract: Apparatus for performing electrosurgical tissue resections, such as transurethral resection of the include motor-driven cutters which drive both a shaft of the cutter and a cutter electrode, either or selectively. The systems often include controllers which coordinate movements of the shaft, electrodes, and other external components. The apparatus may include integrated imaging and light illumination systems. The apparatus may include integrated tissue filter and collection traps.Type: ApplicationFiled: December 9, 2022Publication date: June 22, 2023Applicant: Corinth MedTech, Inc.Inventors: George Chao-chih Hsu, Steve Duddy, George Surjan
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Publication number: 20230181239Abstract: A tissue resecting or other medical device includes a handle coupled to an elongated shaft. A radiofrequency (RF) electrode is carried at a distal end of the elongated shaft, and the electrode is moveable across a window in a sleeve or other component of the shaft. The shaft has an interior channel connectable to a negative pressure source to remove debris from the channel. A motor is carried by the handle and operatively coupled to the electrode for moving the electrode relative to the window. An electronic image sensor and lens are disposed at a distal end of the shaft, and a plurality of conductors may extend through the shaft to the image sensor. The image sensor, lens and sensor conductors are disposed within a first tubular member, and an LED or other light source is also positioned at a distal end of the shaft with LED conductors or leads extending through a second tubular member of the shaft to the LED.Type: ApplicationFiled: August 17, 2022Publication date: June 15, 2023Applicants: Corinth MedTech, Inc., Meditrina, Inc.Inventors: George Chao-chih Hsu, Csaba Truckai
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Publication number: 20220322926Abstract: A medical introducer includes an elongated tubular member having a proximal end, a distal portion, and a central lumen extending from the proximal end to a distal port in the distal portion. A frame structure is coupled to the distal portion of the elongated tubular member, where frame structure supports the distal portion of the elongated tubular member in a tapered shape and alternatively in a non-tapered shape. The elongated tubular member may include a rigid outer tube and a rigid inner tube carried in an interior lumen of the outer tube. The distal portion is typically a reinforced elastomeric tubular extension of the outer tube, and the reinforced elastomeric tubular extension may have a conical shape.Type: ApplicationFiled: November 19, 2021Publication date: October 13, 2022Applicant: Corinth MedTech, Inc.Inventors: George Chao-chih Hsu, Csaba Truckai
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Patent number: 11446080Abstract: A tissue resecting or other medical device includes a handle coupled to an elongated shaft. A radiofrequency (RF) electrode is carried at a distal end of the elongated shaft, and the electrode is moveable across a window in a sleeve or other component of the shaft. The shaft has an interior channel connectable to a negative pressure source to remove debris from the channel. A motor is carried by the handle and operatively coupled to the electrode for moving the electrode relative to the window. An electronic image sensor and lens are disposed at a distal end of the shaft, and a plurality of conductors may extend through the shaft to the image sensor. The image sensor, lens and sensor conductors are disposed within a first tubular member, and an LED or other light source is also positioned at a distal end of the shaft with LED conductors or leads extending through a second tubular member of the shaft to the LED.Type: GrantFiled: January 29, 2019Date of Patent: September 20, 2022Assignee: Corinth MedTech, Inc.Inventors: George Chao-chih Hsu, Csaba Truckai
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Patent number: 11272835Abstract: A medical introducer includes an elongated tubular member having a proximal end, a distal portion, and a central lumen extending from the proximal end to a distal port in the distal portion. A frame structure is coupled to the distal portion of the elongated tubular member, where frame structure supports the distal portion of the elongated tubular member in a tapered shape and alternatively in a non-tapered shape. The elongated tubular member may include a rigid outer tube and a rigid inner tube carried in an interior lumen of the outer tube. The distal portion is typically a reinforced elastomeric tubular extension of the outer tube, and the reinforced elastomeric tubular extension may have a conical shape.Type: GrantFiled: November 8, 2018Date of Patent: March 15, 2022Assignee: Corinth MedTech, Inc.Inventors: George Chao-chih Hsu, Csaba Truckai
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Publication number: 20220039640Abstract: An imaging and resecting device includes a handle coupled to an elongated shaft extending about a longitudinal axis and having an interior passageway extending therethrough. A resecting component shaft extends through the interior passageway to a working end carrying an RF electrode, and a sensor sleeve at having an insulative layer extends through the interior passageway and is coupled to a distal image sensor formed from an sensor chip and a lens having an optical axis and a field of view. The image sensor is sized to fit within an open distal end of the interior passageway, and at least one co-axial sensor cable carried in an interior lumen of the sensor sleeve, each sensor cable having a shielding layer and coupled to the image sensor. The sensor sleeve is configured to shield the image sensor and each sensor cable from electrical interference caused by the RF electrode during use.Type: ApplicationFiled: August 4, 2021Publication date: February 10, 2022Applicant: Corinth MedTech, Inc.Inventors: George Chao-chih Hsu, Jill Cantorna
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Publication number: 20210059748Abstract: A surgical system for treating targeted tissue in a fluid-filled working space includes a probe having an elongated shaft extending from a proximal end to a working end. A tissue-receiving window formed in the working end opens to a passageway in the elongated shaft, and a motor moves an electrode across the tissue-receiving window to resect tissue. A radiofrequency (RF) current source is coupled to the electrode, and a controller operatively connected to the motor and the RF source. In some instances, the controller actuates movement of the electrode in response to electrode contact with the targeted tissue. In some instances, the controller actuates movement of the electrode in a single stroke to perform biopsy.Type: ApplicationFiled: August 25, 2020Publication date: March 4, 2021Applicant: Corinth MedTech, Inc.Inventors: George Chao-chih Hsu, Csaba Truckai
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Patent number: 10476317Abstract: Systems and methods for wireless energy transfer are described. A transmitter unit has a transmitter resonator with a coil that is coupled to a power supply to wirelessly transmit power to a receiver unit. A receiver unit has a receiver resonator with a coil coupled to a device load. The receiver unit can include a ferrite enclosure to prevent transmission of magnetic flux into electronics of the receiver unit, and can include ferrite fins to increase a coupling between the transmitter resonator and the receiver resonator.Type: GrantFiled: May 12, 2017Date of Patent: November 12, 2019Assignee: TCI LLCInventors: Kenneth Wong, George Chao-chih Hsu, John Duc Nguyen, Carine Hoarau, Steven Reichenbach, Kevin Gerald Heppell
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Publication number: 20190231416Abstract: A tissue resecting or other medical device includes a handle coupled to an elongated shaft. A radiofrequency (RF) electrode is carried at a distal end of the elongated shaft, and the electrode is moveable across a window in a sleeve or other component of the shaft. The shaft has an interior channel connectable to a negative pressure source to remove debris from the channel. A motor is carried by the handle and operatively coupled to the electrode for moving the electrode relative to the window. An electronic image sensor and lens are disposed at a distal end of the shaft, and a plurality of conductors may extend through the shaft to the image sensor. The image sensor, lens and sensor conductors are disposed within a first tubular member, and an LED or other light source is also positioned at a distal end of the shaft with LED conductors or leads extending through a second tubular member of the shaft to the LED.Type: ApplicationFiled: January 29, 2019Publication date: August 1, 2019Applicant: Corinth MedTech, Inc.Inventors: George Chao-chih Hsu, Csaba Truckai
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Publication number: 20190133676Abstract: A medical introducer includes an elongated tubular member having a proximal end, a distal portion, and a central lumen extending from the proximal end to a distal port in the distal portion. A frame structure is coupled to the distal portion of the elongated tubular member, where frame structure supports the distal portion of the elongated tubular member in a tapered shape and alternatively in a non-tapered shape. The elongated tubular member may include a rigid outer tube and a rigid inner tube carried in an interior lumen of the outer tube. The distal portion is typically a reinforced elastomeric tubular extension of the outer tube, and the reinforced elastomeric tubular extension may have a conical shape.Type: ApplicationFiled: November 8, 2018Publication date: May 9, 2019Applicant: Corinth MedTech, Inc.Inventors: George Chao-chih Hsu, Csaba Truckai
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Patent number: 10124101Abstract: A fluid resistant electrical connector for an implantable medical device includes a first connector assembly and a second connector assembly. The first connector assembly includes a first housing, an elongated coupling member, and first electrical contacts distributed around the coupling member. The second connector assembly includes a second housing, second electrical contacts, and a retention member. The second housing has a coupling member receptacle and a retention member receptacle. The coupling member receptacle is shaped to accommodate a distal portion of the coupling member. The retention member is partially accommodated by the retention member receptacle and movable between an insertion configuration accommodating coupling of the first and second connector assemblies and a retention configuration retaining the coupling member to prevent inadvertent uncoupling of the electrical connector.Type: GrantFiled: July 25, 2017Date of Patent: November 13, 2018Assignee: TC1 LLCInventors: Kenneth Wong, George Chao-chih Hsu, Thomas Orduna, Shahn S. Sage
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Publication number: 20180028736Abstract: A fluid resistant electrical connector for an implantable medical device includes a first connector assembly and a second connector assembly. The first connector assembly includes a first housing, an elongated coupling member, and first electrical contacts distributed around the coupling member. The second connector assembly includes a second housing, second electrical contacts, and a retention member. The second housing has a coupling member receptacle and a retention member receptacle. The coupling member receptacle is shaped to accommodate a distal portion of the coupling member. The retention member is partially accommodated by the retention member receptacle and movable between an insertion configuration accommodating coupling of the first and second connector assemblies and a retention configuration retaining the coupling member to prevent inadvertent uncoupling of the electrical connector.Type: ApplicationFiled: July 25, 2017Publication date: February 1, 2018Inventors: Kenneth Wong, George Chao-chih Hsu, Thomas Orduna, Shahn S. Sage
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Publication number: 20170250575Abstract: Systems and methods for wireless energy transfer are described. A transmitter unit has a transmitter resonator with a coil that is coupled to a power supply to wirelessly transmit power to a receiver unit. A receiver unit has a receiver resonator with a coil coupled to a device load. The receiver unit can include a ferrite enclosure to prevent transmission of magnetic flux into electronics of the receiver unit, and can include ferrite fins to increase a coupling between the transmitter resonator and the receiver resonator.Type: ApplicationFiled: May 12, 2017Publication date: August 31, 2017Inventors: Kenneth Wong, George Chao-chih Hsu, John Duc Nguyen, Carine Hoarau, Steven Reichenbach, Kevin Gerald Heppell
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Patent number: 9680310Abstract: Systems and methods for wireless energy transfer are described. A transmitter unit has a transmitter resonator with a coil that is coupled to a power supply to wirelessly transmit power to a receiver unit. A receiver unit has a receiver resonator with a coil coupled to a device load. The receiver unit can include a ferrite enclosure to prevent transmission of magnetic flux into electronics of the receiver unit, and can include ferrite fins to increase a coupling between the transmitter resonator and the receiver resonator.Type: GrantFiled: March 17, 2014Date of Patent: June 13, 2017Assignee: Thoratec CorporationInventors: Kenneth Wong, George Chao-chih Hsu, John Duc Nguyen, Carine Hoarau, Steven Reichenbach, Kevin Gerald Heppell
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Publication number: 20160082172Abstract: This disclosure describes systems, devices and methods related to embodiments of a dialysis system, including a home dialysis system, having a conductivity sensor or sensing system that measures conductivity in fluid associated with the dialysis system. For example, the conductivity sensor of the dialysis system can measure the conductivity of dialysate in order to determine its composition and verify proportioning of the dialysate. The conductivity sensor can also measure the purity of water and verify its proportioning in the dialysis system. In addition, the conductivity sensor can be configured to detect conductivity of the fluid within an acceptable range.Type: ApplicationFiled: September 18, 2015Publication date: March 24, 2016Inventors: Steven Michael MILLER, George Chao-Chih HSU, Paul Thomas BRIDGES, John David STIENMIER
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Patent number: 8905910Abstract: A fluid delivery system includes an electric motor, a pump driven by the electric motor, and a control system. The control system is programmed to supply a variable voltage to the electric motor, to sense a response of a current of the electric motor to the variable voltage, and to obtain frequency domain information about the response of the current of the electric motor.Type: GrantFiled: June 22, 2011Date of Patent: December 9, 2014Assignee: Thoratec CorporationInventors: Stephen H. Reichenbach, George Chao-chih Hsu, Yu Fai Law
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Publication number: 20140265621Abstract: Systems and methods for wireless energy transfer are described. A transmitter unit has a transmitter resonator with a coil that is coupled to a power supply to wirelessly transmit power to a receiver unit. A receiver unit has a receiver resonator with a coil coupled to a device load. The receiver unit can include a ferrite enclosure to prevent transmission of magnetic flux into electronics of the receiver unit, and can include ferrite fins to increase a coupling between the transmitter resonator and the receiver resonator.Type: ApplicationFiled: March 17, 2014Publication date: September 18, 2014Inventors: Kenneth WONG, George Chao-chih HSU, John Duc NGUYEN, Carine HOARAU, Steven REICHENBACH, Kevin Gerald HEPPELL
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Publication number: 20110313238Abstract: A fluid delivery system includes an electric motor, a pump driven by the electric motor, and a control system. The control system is programmed to supply a variable voltage to the electric motor, to sense a response of a current of the electric motor to the variable voltage, and to obtain frequency domain information about the response of the current of the electric motor.Type: ApplicationFiled: June 22, 2011Publication date: December 22, 2011Inventors: Steven H. Reichenbach, George Chao-chih Hsu, Yu Fai Law
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Patent number: 5313639Abstract: A computer has a floppy disk drive provided in one of the spaces for receiving disk drives of the computer, a computer keyboard and a main system board. An access control device includes a casing placed into another one of the spaces for receiving disk drives of the computer, a keypad provided on a front panel of the casing and operated so as to provide an input password, and a control unit provided within the casing and electrically connected to the keypad. The control unit includes a memory unit which contains a desired password, a microprocessor unit which receives the input password from the keypad and which generates an activating signal when the input password tallies with the desired password in the memory unit, and at least one control circuit connected to a respective one of the computer keyboard, the floppy disk drive and the main system board.Type: GrantFiled: June 26, 1992Date of Patent: May 17, 1994Inventor: George Chao