Patents by Inventor Christopher Neil McLeod
Christopher Neil McLeod 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: 11813045Abstract: An implantable intravascular pressure sensor comprising a first transducer arranged to provide a pressure dependent signal in response to alternating electrical signals of a first frequency band, a second transducer arranged to provide a reference signal in response to alternating electrical signals of a second frequency band different from the first frequency band and an antenna coupling for sending and receiving said signals.Type: GrantFiled: September 20, 2017Date of Patent: November 14, 2023Assignee: IP2IPO INNOVATIONS LIMITEDInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod, Olive H Murphy
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Patent number: 11800987Abstract: An implantable intravascular device for deployment inside a human or animal, the apparatus comprising a body of crystalline material and a membrane of crystalline material fixed to the body by a hermetic bond an assembly of components carried on said crystalline material and arranged for responding to electrical signals wherein the body and the membrane at least partially encapsulate the assembly.Type: GrantFiled: September 20, 2017Date of Patent: October 31, 2023Assignee: IP2IPO INNOVATIONS LIMITEDInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod
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Patent number: 11375956Abstract: An implantable intravascular anchor for supporting a device inside a vascular lumen, the anchor comprising a first part configured to expand when extending from a catheter, and to collapse upon retraction into said catheter; a second part for supporting the device in the lumen and a third part, proximal to the first part, and configured so that, upon release from the catheter, it expands in width to engage an interior wall of the lumen and is adapted for securing the anchor against axial movement along the lumen.Type: GrantFiled: September 21, 2017Date of Patent: July 5, 2022Assignee: IP2IPO INNOVATIONS LIMITEDInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod
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Patent number: 11324409Abstract: An implantable device for sensing intravascular pressure, the device comprising a bulk acoustic wave (BAW) resonator arranged to be deflected by changes in intravascular fluid pressure to provide a pressure dependent sensing signal and an acoustic reflector arranged to separate the BAW resonator from the intravascular fluid and to mediate pressure from the intravascular fluid to the BAW resonator wherein the acoustic reflector comprises a layer structure arranged to provide a series of transitions in acoustic impedance between the intravascular fluid and the BAW resonator.Type: GrantFiled: November 2, 2017Date of Patent: May 10, 2022Assignee: IP2IPO INNOVATIONS LIMITEDInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod
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Patent number: 10988034Abstract: An implantable device for deployment inside a human or animal body, the device comprising at least one sensing component arranged to respond to an electrical signal having a known frequency band and at least one antenna comprising at least one antenna pole connected to the at least one sensing component, the antenna pole comprising at least one helical coil and a connecting stem.Type: GrantFiled: September 20, 2017Date of Patent: April 27, 2021Assignee: IP2IPO INNOVATIONS LIMITEDInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod, Olive H Murphy
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Publication number: 20210100513Abstract: An implantable cardiovascular pressure sensor comprising a rigid enclosure sealed by a flexible membrane; and an elongate compliant member comprising a piezoelectric material, the member having a width and a length greater than the width, and two ends separated by the length and two sides separated by the width; wherein the flexible membrane is coupled to the elongate compliant member to transfer external fluid pressure load to the elongate compliant member to cause deflection of the elongate compliant member in response to changes in the external fluid pressure; the pressure sensor further comprising a first acoustic wave device provided by the piezoelectric material of the elongate compliant member for sensing said deflection.Type: ApplicationFiled: February 20, 2019Publication date: April 8, 2021Applicant: IP2IPO INNOVATIONS LIMITEDInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod
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Publication number: 20210045691Abstract: An implantable intracardiac apparatus for implantation in a wall of the heart to secure a pressure sensor thereto, the apparatus comprising: a mesh configured to collapse to enable it to be carried, by a catheter, to a deployment site in the heart, and to expand upon deployment from the catheter to provide a conformable mesh layer for securement against the wall of the heart; wherein the conformable mesh layer comprises an opening occupied by a compliant diaphragm that is flush with the mesh layer, or recessed with respect to the mesh layer, when the mesh layer is secured against the wall of the heart; the apparatus further comprising a can for holding said pressure sensor, and the compliant diaphragm provides a wall of the can.Type: ApplicationFiled: February 27, 2019Publication date: February 18, 2021Applicant: IP2IPO INNOVATIONS LIMITEDInventors: Longfang Zou, Mohammad Reza Bahmanyar, Christopher Neil McLeod
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Publication number: 20190343410Abstract: An implantable intravascular pressure sensor comprising a first transducer arranged to provide a pressure dependent signal in response to alternating electrical signals of a first frequency band, a second transducer arranged to provide a reference signal in response to alternating electrical signals of a second frequency band different from the first frequency band and an antenna coupling for sending and receiving said signals.Type: ApplicationFiled: September 20, 2017Publication date: November 14, 2019Applicants: Imperial Innovations Limited, Imperial Innovations LimitedInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod, Olive H Murphy
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Publication number: 20190343388Abstract: An implantable device for deployment inside a human or animal body, the device comprising at least one sensing component arranged to respond to an electrical signal having a known frequency band and at least one antenna comprising at least one antenna pole connected to the at least one sensing component, the antenna pole comprising at least one helical coil and a connecting stem.Type: ApplicationFiled: September 20, 2017Publication date: November 14, 2019Applicant: Imperial Innovations LimitedInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod, Olive H Murphy
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Publication number: 20190343403Abstract: An implantable intravascular device for deployment inside a human or animal, the apparatus comprising a body of crystalline material and a membrane of crystalline material fixed to the body by a hermetic bond an assembly of components carried on said crystalline material and arranged for responding to electrical signals wherein the body and the membrane at least partially encapsulate the assembly.Type: ApplicationFiled: September 20, 2017Publication date: November 14, 2019Applicant: Imperial Innovations LimitedInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod
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Publication number: 20190261925Abstract: An implantable intravascular anchor for supporting a device inside a vascular lumen, the anchor comprising a first part configured to expand when extending from a catheter, and to collapse upon retraction into said catheter; a second part for supporting the device in the lumen and a third part, proximal to the first part, and configured so that, upon release from the catheter, it expands in width to engage an interior wall of the lumen and is adapted for securing the anchor against axial movement along the lumen.Type: ApplicationFiled: September 21, 2017Publication date: August 29, 2019Applicant: IP2IPO lNNOVATIONS LIMITEDInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod
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Publication number: 20190246912Abstract: An implantable device for sensing intravascular pressure, the device comprising a bulk acoustic wave (BAW) resonator arranged to be deflected by changes in intravascular fluid pressure to provide a pressure dependent sensing signal and an acoustic reflector arranged to separate the BAW resonator from the intravascular fluid and to mediate pressure from the intravascular fluid to the BAW resonator wherein the acoustic reflector comprises a layer structure arranged to provide a series of transitions in acoustic impedance between the intravascular fluid and the BAW resonator.Type: ApplicationFiled: November 2, 2017Publication date: August 15, 2019Applicants: IP2IPO INNOVATIONS LIMITED, IP2IPO INNOVATIONS LIMITEDInventors: Mohammad Reza Bahmanyar, Christopher Neil McLeod
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Patent number: 8764677Abstract: A surface or bulk acoustic wave device can be implanted in or worn on a human or animal body to monitor various parameters thereof. The device comprises a pair of interdigitated transducers spaced apart over the surface of a piezo-electric substrate that is exposed to the parameter to be monitored. The device is interrogated by a radio-frequency signal being supplied to one of the transducers and detected after reflection by the other transducer. The parameter is measured by comparison of the supplied and received signals.Type: GrantFiled: December 14, 2004Date of Patent: July 1, 2014Assignee: Imperial College Innovations Ltd.Inventors: Christopher Toumazou, Christopher Neil McLeod, Glenn Noel Robert Vandevoorde
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Patent number: RE47681Abstract: A surface or bulk acoustic wave device can be implanted in or worn on a human or animal body to monitor various parameters thereof. The device comprises a pair of interdigitated transducers spaced apart over the surface of a piezo-electric substrate that is exposed to the parameter to be monitored. The device is interrogated by a radio-frequency signal being supplied to one of the transducers and detected after reflection by the other transducer. The parameter is measured by comparison of the supplied and received signals.Type: GrantFiled: July 1, 2016Date of Patent: November 5, 2019Assignee: IP2IPO INNOVATIONS LIMITEDInventors: Christofer Toumazou, Christopher Neil McLeod, Glenn Noel Robert Vandevoorde
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Patent number: RE48970Abstract: A surface or bulk acoustic wave device can be implanted in or worn on a human or animal body to monitor various parameters thereof. The device comprises a pair of interdigitated transducers spaced apart over the surface of a piezo-electric substrate that is exposed to the parameter to be monitored. The device is interrogated by a radio-frequency signal being supplied to one of the transducers and detected after reflection by the other transducer. The parameter is measured by comparison of the supplied and received signals.Type: GrantFiled: September 19, 2019Date of Patent: March 15, 2022Assignee: IP2IPO INNOVATIONS LIMITEDInventors: Christofer Toumazou, Christopher Neil McLeod, Glenn Noel Robert Vandevoorde