Patents by Inventor Andrzej M. Malewicz
Andrzej M. Malewicz 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: 20230414277Abstract: A medical device includes an elongate body, an expandable treatment element, a plurality of flexible shafts, and a plurality of electrodes. The elongate body has a proximal portion and a distal portion opposite the proximal portion. The expandable treatment element is coupled to the elongate body to receive a fluid and, in some examples, is anchored to the plurality of flexible shafts with a plurality of retention elements. In some examples, each flexible shaft of the plurality of flexible shafts has a braided configuration. Each electrode of the plurality of electrodes is attached and electrically coupled to a respective flexible shaft of the plurality of flexible shafts.Type: ApplicationFiled: June 21, 2023Publication date: December 28, 2023Inventors: Brian J. Kelly, Gavin J. Kenny, Brian T. Howard, Timothy G. Laske, Andrzej M. Malewicz, Mark T. Stewart
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Patent number: 11844547Abstract: This disclosure provides tools and implant techniques utilizing such tools to gain access to and implant a medical device, such as a medical electrical lead, within extravascular spaces. In one example, this disclosure provides a tool for creating a sub-sternal tunnel in a patient. The tool comprises a relatively straight guide member extending from a first end thereof to a second end thereof, a tunneling member extending from a first end thereof to a tip thereof, the tunneling member extending alongside and coplanar with the guide member, the first end of the tunneling member and the first end of the guide member being joined together, and a handle coupled to the guide member.Type: GrantFiled: June 15, 2020Date of Patent: December 19, 2023Assignee: Medtronic, Inc.Inventors: Andrzej M. Malewicz, Ronald A. Drake, Keith D. Anderson, Roger A. Christopherson, Andrea J. Asleson, Trent M. Fischer, Lester O. Stener
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Patent number: 11534297Abstract: A delivery device for a stented heart valve includes a handle, an elongate shaft extending from a distal end of the handle, and a conical housing having a proximal end coupled to the elongate shaft and an open distal end, the conical housing having a conical lumen therein with a first internal diameter adjacent to the proximal end of the conical housing and a larger second internal diameter adjacent to the open distal end of the conical housing.Type: GrantFiled: December 9, 2019Date of Patent: December 27, 2022Assignee: Medtronic 3F Therapeutics, Inc.Inventors: Andrzej M. Malewicz, David Elizondo, Matthew W. Weston
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Publication number: 20200305929Abstract: This disclosure provides tools and implant techniques utilizing such tools to gain access to and implant a medical device, such as a medical electrical lead, within extravascular spaces. In one example, this disclosure provides a tool for creating a sub-sternal tunnel in a patient. The tool comprises a relatively straight guide member extending from a first end thereof to a second end thereof, a tunneling member extending from a first end thereof to a tip thereof, the tunneling member extending alongside and coplanar with the guide member, the first end of the tunneling member and the first end of the guide member being joined together, and a handle coupled to the guide member.Type: ApplicationFiled: June 15, 2020Publication date: October 1, 2020Inventors: Andrzej M. Malewicz, Ronald A. Drake, Keith D. Anderson, Roger A. Christopherson, Andrea J. Asleson, Trent M. Fischer, Lester O. Stener
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Patent number: 10695089Abstract: This disclosure provides tools and implant techniques utilizing such tools to gain access to and implant a medical device, such as a medical electrical lead, within extravascular spaces. In one example, this disclosure provides a tool for creating a sub-sternal tunnel in a patient. The tool comprises a relatively straight guide member extending from a first end thereof to a second end thereof, a tunneling member extending from a first end thereof to a tip thereof, the tunneling member extending alongside and coplanar with the guide member, the first end of the tunneling member and the first end of the guide member being joined together, and a handle coupled to the guide member.Type: GrantFiled: July 7, 2016Date of Patent: June 30, 2020Assignee: Medtronic, Inc.Inventors: Andrzej M. Malewicz, Ronald A. Drake, Keith D. Anderson, Roger A. Christopherson, Andrea J. Asleson, Trent M. Fischer, Lester O. Stener
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Publication number: 20200188106Abstract: A delivery device for a stented heart valve includes a handle, an elongate shaft extending from a distal end of the handle, and a conical housing having a proximal end coupled to the elongate shaft and an open distal end, the conical housing having a conical lumen therein with a first internal diameter adjacent to the proximal end of the conical housing and a larger second internal diameter adjacent to the open distal end of the conical housing.Type: ApplicationFiled: December 9, 2019Publication date: June 18, 2020Applicant: Medtronic 3F Therapeutics, Inc.Inventors: Andrzej M. Malewicz, David Elizondo, Matthew W. Weston
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Patent number: 10588701Abstract: Techniques facilitating augmented reality-assisted surgery are provided. In one example, a method is provided that includes receiving, by a first device including a processor, image data associated with an external portion of a tool located within a body of a patient, wherein the image data includes first information indicative of a first fiducial marker on the external portion of the tool. The method also includes determining one or more relative positions of an internal portion of the tool within the body relative to one or more anatomical structures of the body based on the image data and a defined configuration of the tool. The method also includes generating one or more representations of the tool within the body relative to the one or more anatomical structures based on the one or more relative positions and the defined configuration of the tool.Type: GrantFiled: October 23, 2018Date of Patent: March 17, 2020Assignee: Medtronic, Inc.Inventors: Eric D. Corndorf, Andrzej M. Malewicz
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Patent number: 10531955Abstract: A delivery device for a stented heart valve comprises a handle, an elongate shaft extending from a distal end of the handle, and a conical housing having a proximal end coupled to the elongate shaft and an open distal end, the conical housing having a conical lumen therein with a first internal diameter adjacent to the proximal end of the conical housing and a larger second internal diameter adjacent to the open distal end of the conical housing.Type: GrantFiled: December 16, 2016Date of Patent: January 14, 2020Assignee: Medtronic 3F Therapeutics, Inc.Inventors: Andrzej M. Malewicz, David Elizondo, Matthew W. Weston
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Patent number: 10258470Abstract: A delivery device for a stented heart valve comprises a handle, an inner catheter shaft extending from the handle and having an enlarged bumper element at a distal end, an outer catheter shaft extending from the handle and slidably coupled around the inner catheter shaft, and a retraction mechanism for controlling longitudinal movement of the outer catheter shaft relative to the inner catheter shaft. The outer catheter shaft includes a generally cylindrical housing at a distal end that is structured to receive the bumper element therein.Type: GrantFiled: October 28, 2016Date of Patent: April 16, 2019Assignee: Medtronic 3F Therapeutics, Inc.Inventors: Andrzej M. Malewicz, Matthew W. Weston, David Elizondo, Daniel C. Weber
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Publication number: 20190053860Abstract: Techniques facilitating augmented reality-assisted surgery are provided. In one example, a method is provided that includes receiving, by a first device including a processor, image data associated with an external portion of a tool located within a body of a patient, wherein the image data includes first information indicative of a first fiducial marker on the external portion of the tool. The method also includes determining one or more relative positions of an internal portion of the tool within the body relative to one or more anatomical structures of the body based on the image data and a defined configuration of the tool. The method also includes generating one or more representations of the tool within the body relative to the one or more anatomical structures based on the one or more relative positions and the defined configuration of the tool.Type: ApplicationFiled: October 23, 2018Publication date: February 21, 2019Inventors: Eric D. CORNDORF, Andrzej M. MALEWICZ
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Patent number: 10143839Abstract: In some examples, a medical device system includes an electrode. The medical device system may include impedance measurement circuitry coupled to the electrode, the impedance measurement circuitry may be configured to generate an impedance signal indicating impedance proximate to the electrode. The medical device system may include processing circuitry that may be configured to identify a first frequency component and a second frequency component of the impedance signal, and provide an indication of a location of the electrode in a patient based on the first frequency component and the second frequency component.Type: GrantFiled: July 5, 2017Date of Patent: December 4, 2018Assignee: Medtronic, Inc.Inventors: Melissa G. T. Christie, Ronald A. Drake, Bushan Purushothaman, Andrzej M. Malewicz
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Patent number: 10105187Abstract: Techniques facilitating augmented reality-assisted surgery are provided. In one example, a method is provided that includes receiving, by a first device including a processor, image data associated with an external portion of a tool located within a body of a patient, wherein the image data includes first information indicative of a first fiducial marker on the external portion of the tool. The method also includes determining one or more relative positions of an internal portion of the tool within the body relative to one or more anatomical structures of the body based on the image data and a defined configuration of the tool. The method also includes generating one or more representations of the tool within the body relative to the one or more anatomical structures based on the one or more relative positions and the defined configuration of the tool.Type: GrantFiled: August 15, 2016Date of Patent: October 23, 2018Assignee: Medtronic, Inc.Inventors: Eric D. Corndorf, Andrzej M. Malewicz
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Publication number: 20170095330Abstract: A delivery device for a stented heart valve comprises a handle, an elongate shaft extending from a distal end of the handle, and a conical housing having a proximal end coupled to the elongate shaft and an open distal end, the conical housing having a conical lumen therein with a first internal diameter adjacent to the proximal end of the conical housing and a larger second internal diameter adjacent to the open distal end of the conical housing.Type: ApplicationFiled: December 16, 2016Publication date: April 6, 2017Inventors: Andrzej M. Malewicz, David Elizondo, Matthew W. Weston
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Publication number: 20170079794Abstract: A delivery device for a stented heart valve comprises a handle, an inner catheter shaft extending from the handle and having an enlarged bumper element at a distal end, an outer catheter shaft extending from the handle and slidably coupled around the inner catheter shaft, and a retraction mechanism for controlling longitudinal movement of the outer catheter shaft relative to the inner catheter shaft. The outer catheter shaft includes a generally cylindrical housing at a distal end that is structured to receive the bumper element therein.Type: ApplicationFiled: October 28, 2016Publication date: March 23, 2017Inventors: Andrzej M. Malewicz, Matthew W. Weston, David Elizondo, Daniel C. Weber
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Publication number: 20170056115Abstract: Techniques facilitating augmented reality-assisted surgery are provided. In one example, a method is provided that includes receiving, by a first device including a processor, image data associated with an external portion of a tool located within a body of a patient, wherein the image data includes first information indicative of a first fiducial marker on the external portion of the tool. The method also includes determining one or more relative positions of an internal portion of the tool within the body relative to one or more anatomical structures of the body based on the image data and a defined configuration of the tool. The method also includes generating one or more representations of the tool within the body relative to the one or more anatomical structures based on the one or more relative positions and the defined configuration of the tool.Type: ApplicationFiled: August 15, 2016Publication date: March 2, 2017Inventors: Eric D. Corndorf, Andrzej M. Malewicz
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Patent number: 9579194Abstract: A method and device for reducing paravalvular leakage upon implantation of a replacement heart valve is provided. The valve assembly includes a tissue or bioprosthetic heart valve attached to an anchoring structure. The anchoring structure includes an inlet rim that is substantially C-shaped in cross section to form a concave landing zone. The anchoring structure self-seats when implanted in the sinus of a patient with the proximal and distal ends of the C-shaped inlet rim pushed against the aorta to effectively prevent paravalvular leakage.Type: GrantFiled: October 21, 2009Date of Patent: February 28, 2017Assignee: Medtronic ATS Medical, Inc.Inventors: David Elizondo, Andrzej M. Malewicz, Matthew W. Weston, Keith E. Myers
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Patent number: 9555528Abstract: A delivery device for a stented heart valve includes a handle, an elongate shaft extending from a distal end of the handle, and a conical housing having a proximal end coupled to the elongate shaft and an open distal end, the conical housing having a conical lumen therein with a first internal diameter adjacent to the proximal end of the conical housing and a larger second internal diameter adjacent to the open distal end of the conical housing.Type: GrantFiled: August 27, 2010Date of Patent: January 31, 2017Assignee: Medtronic 3F THerapeutics, Inc.Inventors: Andrzej M. Malewicz, David Elizondo, Matthew W. Weston
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Publication number: 20170007287Abstract: This disclosure provides tools and implant techniques utilizing such tools to gain access to and implant a medical device, such as a medical electrical lead, within extravascular spaces. In one example, this disclosure provides a tool for creating a sub-sternal tunnel in a patient. The tool comprises a relatively straight guide member extending from a first end thereof to a second end thereof, a tunneling member extending from a first end thereof to a tip thereof, the tunneling member extending alongside and coplanar with the guide member, the first end of the tunneling member and the first end of the guide member being joined together, and a handle coupled to the guide member.Type: ApplicationFiled: July 7, 2016Publication date: January 12, 2017Inventors: Andrzej M. MALEWICZ, Ronald A. DRAKE, Keith D. ANDERSON, Roger A. CHRISTOPHERSON, Andrea J. ASLESON, Trent M. FISCHER, Lester O. STENER
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Patent number: 9504569Abstract: A delivery device for a stented heart valve that includes a handle, an inner catheter shaft extending from the handle and having an enlarged bumper element at a distal end, an outer catheter shaft extending from the handle and slidably coupled around the inner catheter shaft, and a retraction mechanism for controlling longitudinal movement of the outer catheter shaft relative to the inner catheter shaft. The outer catheter shaft includes a generally cylindrical housing at a distal end that is structured to receive the bumper element therein.Type: GrantFiled: August 27, 2010Date of Patent: November 29, 2016Assignee: Medtronic 3F Therapeutics, Inc.Inventors: Andrzej M. Malewicz, Matthew W. Weston, David Elizondo, Daniel C. Weber
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Patent number: 8764745Abstract: A cryoprobe clamp for creating a lesion in a target tissue comprises a housing portion, a handle extending from the housing portion, a clamp assembly including a distal blade and a proximal blade structured for clamping a target tissue therebetween, a trigger mechanism positioned adjacent the handle and operably coupled to the clamp assembly, and an ablation tool extending between the housing portion and the clamp assembly. The distal blade includes receiving means structured to receive a distal portion of the ablation tool, and the proximal blade includes an outer frame surrounding an open window portion. Upon clamping the target tissue between the distal and proximal blades, a lesion formed by the distal end of the ablation tool is visible through the window portion of the proximal blade.Type: GrantFiled: January 26, 2009Date of Patent: July 1, 2014Assignee: Medtronic ATS Medical, Inc.Inventor: Andrzej M. Malewicz