Patents by Inventor Andrew Kevin Zachman
Andrew Kevin Zachman 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: 12349968Abstract: The present invention provides a microwave ablation probe comprising an antenna including a helical arm and a linear arm.Type: GrantFiled: January 29, 2019Date of Patent: July 8, 2025Assignee: Biocompatibles UK LimitedInventors: Oleg Mosesov, Andrew Kevin Zachman, Ankit Gajurel, Charles Senness, Daniel T. Kollman, Szymon Rzeszowski, Winston Tan
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Patent number: 12016607Abstract: A cryoprobe is disclosed comprising a probe shaft made of a low magnetic susceptibility material and an electrical resistance heater comprising counter-wound helical coils located within the probe shaft. The counter-wound helical coils are formed by a single wire counter-wound to form a first set of coils wound in a direction counter to a second set of coils, such that when current is supplied to the electrical resistance heater, a first magnetic field generated by the first set of coils is opposite to a second magnetic field generated by the second set of coils. The electrical resistance heater can heat, thaw, and/or cauterize tissue. The electrical resistance heater can be made of a low magnetic susceptibility material so as to resistively heat tissue concurrently during magnetic resonance imaging (MRI). A method of electrically heating a tissue in conjunction with MRI, and a method of imaging a cryoprobe using MRI is also disclosed.Type: GrantFiled: November 13, 2018Date of Patent: June 25, 2024Assignee: Biocompatibles UK LimitedInventors: Daniel T. Kollmann, Andrew Kevin Zachman, Satish Ramadhyani, Oleg Chernihovsky, Dror Trumer
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Patent number: 11832867Abstract: A cryoneedle comprises an outer tube having a distal section with a generally central gas supply line placed within the outer tube. The gas supply line supplies a cryogas for forming an iceball on an outer surface of the outer tube over the distal section. The gas supply line terminates in an expansion chamber placed within the distal section. The cryoneedle comprises a heat exchange helix contacting the inner surface of the outer tube. The heat exchange helix has an increasing surface area per unit distance of the distal section such that the iceball has a generally symmetric shape.Type: GrantFiled: June 7, 2019Date of Patent: December 5, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Satish Ramadhyani, Andrew Kevin Zachman, Mordechay Bleiwies, Mark Timothy Johnson
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Publication number: 20230190356Abstract: Disclosed herein are devices, systems, and method for multi-stage, reusable coupling. Such a coupler can have a formable flow path and can include a first sealing engagement and a second sealing engagement. The first sealing engagement can be configured to provide a first seal of the coupler at a first temperature condition. The second sealing engagement can be configured to provide a second seal of the coupler at a second temperature condition that is different from the first temperature condition.Type: ApplicationFiled: December 16, 2022Publication date: June 22, 2023Inventors: Jason Sprain, Mark Timothy Johnson, Maciej Wojciech Misiak, Andrew Kevin Zachman
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Publication number: 20210213270Abstract: A reservoir connector assembly embodiment includes first and second extensions that are configured to extend into a reservoir. The first extension includes a first extension inner and outer surface and a first extension lumen that is defined by the first extension inner surface. The first extension lumen includes a first aperture that is configured to be positioned within the reservoir. The second extension includes a second extension inner and outer surface and a second extension lumen that is defined by the second extension inner surface. At least a portion of the first extension lumen extends within the second extension lumen. The second extension lumen includes a second aperture that is configured to be positioned within the reservoir. An outlet is in liquid communication with one of the first and second apertures and an inlet is in liquid communication with the other of the first and second apertures.Type: ApplicationFiled: January 8, 2021Publication date: July 15, 2021Inventors: Maciej Wojciech Misiak, Andrew Kevin Zachman, Ankit Gajurel, Winston Tan
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Publication number: 20210153936Abstract: The present invention provides a microwave ablation probe comprising an antenna including a helical arm and a linear arm.Type: ApplicationFiled: January 29, 2019Publication date: May 27, 2021Inventors: Oleg Mosesov, Andrew Kevin Zachman, Ankit Gajurel, Charlie Senness, Daniel T. Kollman, Szyom Rzeszowski, Winston Tan
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Publication number: 20210038299Abstract: The disclosure provides a cooling system for a surgical ablation device, the device having a cooling circuit comprising a device coolant supply line having a supply coupling; a coolant return line having a return coupling; coolant passageways within the device to circulate coolant within the device, the supply line and the return line being in fluid communication via the device coolant passageway(s); a coolant manifold configured to fluidly connect a cooling fluid source to at least one manifold fluid outlet port, such as to place the cooling fluid source in fluid communication with the one or more device coolant passageways, wherein the supply coupling is configured for connection to a manifold outlet port of the manifold.Type: ApplicationFiled: August 7, 2020Publication date: February 11, 2021Inventors: Tim Bachman, Charles Senness, Dennis Babcock, Jason William Sprain, Luan Chan, Maciej Wojciech Misiak, Winston Tan, Matthew Goulet, Andrew Kevin Zachman, Logan Ernster
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Publication number: 20190350633Abstract: A cryoneedle comprises an outer tube having a distal section with a generally central gas supply line placed within the outer tube. The gas supply line supplies a cryogas for forming an iceball on an outer surface of the outer tube over the distal section. The gas supply line terminates in an expansion chamber placed within the distal section. The cryoneedle comprises a heat exchange helix contacting the inner surface of the outer tube. The heat exchange helix has an increasing surface area per unit distance of the distal section such that the iceball has a generally symmetric shape.Type: ApplicationFiled: June 7, 2019Publication date: November 21, 2019Inventors: Satish Ramadhyani, Andrew Kevin Zachman, Mordechay Bleiwies, Mark Timothy Johnson
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Patent number: 10390871Abstract: A cryoneedle comprises an outer tube having a distal section with a generally central gas supply line placed within the outer tube. The gas supply line supplies a cryogas for forming an iceball on an outer surface of the outer tube over the distal section. The gas supply line terminates in an expansion chamber placed within the distal section. The cryoneedle comprises a heat exchange helix contacting the inner surface of the outer tube. The heat exchange helix has an increasing surface area per unit distance of the distal section such that the iceball has a generally symmetric shape.Type: GrantFiled: February 20, 2015Date of Patent: August 27, 2019Assignee: Galil Medical Inc.Inventors: Satish Ramadhyani, Andrew Kevin Zachman, Mordechay Bleiwies, Mark Timothy Johnson
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Publication number: 20190142491Abstract: A cryoprobe is disclosed comprising a probe shaft made of a low magnetic susceptibility material and an electrical resistance heater comprising counter-wound helical coils located within the probe shaft. The counter-wound helical coils are formed by a single wire counter-wound to form a first set of coils wound in a direction counter to a second set of coils, such that when current is supplied to the electrical resistance heater, a first magnetic field generated by the first set of coils is opposite to a second magnetic field generated by the second set of coils. The electrical resistance heater can heat, thaw, and/or cauterize tissue. The electrical resistance heater can be made of a low magnetic susceptibility material so as to resistively heat tissue concurrently during magnetic resonance imaging (MRI). A method of electrically heating a tissue in conjunction with MRI, and a method of imaging a cryoprobe using MRI is also disclosed.Type: ApplicationFiled: November 13, 2018Publication date: May 16, 2019Inventors: Daniel T. Kollmann, Andrew Kevin Zachman, Satish Ramadhyani, Oleg Chernihovsky, Dror Trumer
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Publication number: 20160242835Abstract: A cryoneedle comprises an outer tube having a distal section with a generally central gas supply line placed within the outer tube. The gas supply line supplies a cryogas for forming an iceball on an outer surface of the outer tube over the distal section. The gas supply line terminates in an expansion chamber placed within the distal section. The cryoneedle comprises a heat exchange helix contacting the inner surface of the outer tube. The heat exchange helix has an increasing surface area per unit distance of the distal section such that the iceball has a generally symmetric shape.Type: ApplicationFiled: February 20, 2015Publication date: August 25, 2016Inventors: Satish Ramadhyani, Andrew Kevin Zachman, Mordechay Bleiwies, Mark Timothy Johnson