Patents by Inventor Miles Alexander
Miles Alexander 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: 20240130734Abstract: The present technology includes systems and methods for invasively adjusting implantable devices for selectively controlling fluid flow between a first body region and a second body region of a patient. For example, in many of the embodiments described herein, a catheter can be used to mechanically and/or electrically engage an implanted medical device. Once the catheter engages the medical device, the catheter can (i) increase a dimension associated with the medical device, such as through mechanical expansion forces, and/or (ii) decrease a dimension associated with the medical device, such as by heating a shape memory component of the medical device above a phase transition temperature.Type: ApplicationFiled: August 23, 2023Publication date: April 25, 2024Inventors: Miles Alexander, Peter Andriola, Brian Fahey, William Jason Fox, Anthony Pantages, Scott Robertson, Jace Valls
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Patent number: 11967353Abstract: Memory devices and systems with programmable refresh order and stagger times are disclosed herein. In one embodiment, a memory device includes a first memory bank group and a second memory bank group. The memory device is configured, in response to a refresh command, to perform a first refresh operation on the first memory bank group at a first time and a second refresh operation on the second memory bank group at a second time after the first time. The memory device is further configured to perform, in response to a read or write command, a read or write operation on the first memory bank group, the second memory bank group, or both the first and second memory bank groups after beginning the first refresh operation and before completing the second refresh operation.Type: GrantFiled: September 21, 2022Date of Patent: April 23, 2024Inventors: Vaughn N. Johnson, Debra M. Bell, Miles S. Wiscombe, Brian T. Pecha, Kyle Alexander
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Patent number: 11934326Abstract: Memory devices and systems with improved command/address bus utilization are disclosed herein. In one embodiment, a memory device comprises a plurality of external command/address terminals and a command decoder. The plurality of external command/address terminals are configured to receive a command as a corresponding plurality of command/address bits. A first set of the command/address bits indicate a read or write operation. A second set of the command/address bits indicate whether to execute a refresh operation. The memory device is configured to, in response to the first set of command/address bits, execute the read or write operation on a portion of a memory array. The memory device is further configured to, in response to the second set of command/address bits, execute the refresh operation to refresh at least one memory bank of the memory array when the second set of command/address bits indicate that the refresh operation should be executed.Type: GrantFiled: August 6, 2022Date of Patent: March 19, 2024Inventors: Debra M. Bell, Vaughn N. Johnson, Kyle Alexander, Gary L. Howe, Brian T. Pecha, Miles S. Wiscombe
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Publication number: 20240000404Abstract: The present technology relates to interatrial shunting systems and methods. In some embodiments, the present technology includes a method for monitoring a shunting element implanted in a patient and having a lumen fluidly coupling cavities of the patient's heart. The method can comprise obtaining first and second radiographic images of at least two radiopaque elements associated with the lumen of the shunting element. A spatial relationship between the radiopaque elements varies according to a size of the lumen. The first radiographic image can be taken from a first viewing angle and the second radiographic image can be taken from a second viewing angle generally orthonormal to the first viewing an The method also includes determining the size of the lumen based, at least in part. on locations of the radiopaque elements in the first and second radiographic images.Type: ApplicationFiled: April 23, 2021Publication date: January 4, 2024Inventors: Scott Robertson, Brian Fahey, Miles Alexander, Peter Andriola, William Jason Fox, Anthony Pantages
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Patent number: 11857197Abstract: The present technology includes systems and methods for invasively adjusting implantable devices for selectively controlling fluid flow between a first body region and a second body region of a patient. For example, in many of the embodiments described herein, a catheter can be used to mechanically and/or electrically engage an implanted medical device. Once the catheter engages the medical device, the catheter can (i) increase a dimension associated with the medical device, such as through mechanical expansion forces, and/or (ii) decrease a dimension associated with the medical device, such as by heating a shape memory component of the medical device above a phase transition temperature.Type: GrantFiled: November 11, 2021Date of Patent: January 2, 2024Assignee: Shifamed Holdings, LLCInventors: Miles Alexander, Peter Andriola, Brian Fahey, William Jason Fox, Anthony Pantages, Scott Robertson, Jace Valls
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Publication number: 20230371953Abstract: The present technology is directed to implantable medical devices comprising an electrical circuit for powering one or more active components of the device, such as an actuation element, an engine, or a sensor. The electrical circuit can include one or more inductors having a plurality of receiving coils that generate a current in response to being exposed to an electromagnetic field. The current generated by the receiving coils can be used to directly or indirectly power the one or more active components. The inductors can have one or more wires having a non-concentric configuration such that, in addition to generating the current for powering the device, the receiving coils also anchor a portion of the device when it is implanted. For example, the receiving coils can be at least partially composed of a superelastic material such that they exhibit superelastic properties at body temperature.Type: ApplicationFiled: October 15, 2021Publication date: November 23, 2023Inventors: Anthony Pantages, Peter Andriola, Brian Fahey, Scott Robertson, Miles Alexander, Soane Eke
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Publication number: 20230200667Abstract: The present technology relates to intracardiac sensors and associated systems and methods. In some embodiments, the present technology includes a device for monitoring pressure within a patient's heart. The device can include an implantable capacitor having a capacitance value that is variable based on the pressure within the patient's heart and a sensing circuit configured to measure the capacitance value. The device can also include an implantable inductor and a power circuit configured to wirelessly receive power from an external source via the inductor. When the device is in a first configuration, the capacitor can be electrically coupled to the sensing circuit and the inductor can be electrically coupled to the power circuit. When the device is in a second configuration, the capacitor can be electrically coupled to the inductor to form a resonant circuit.Type: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Inventors: Peter Andriola, Brian Fahey, Scott Robertson, Anthony Pantages, Miles Alexander, William Jason Fox
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Publication number: 20230201545Abstract: The present technology is directed to adjustable shunting systems having a shunting element, a shape memory actuator, and a lumen extending therethrough for transporting fluid. The shape memory actuator can have a plurality of struts proximate the shunting element and a plurality of projections extending from the plurality of struts. In operation, the shape memory actuator can be used to adjust a geometry of the lumen. In some embodiments, the system is configured such that (a) any strain in the shape memory actuator is concentrated in the struts, and/or (b) the struts experience greater resistive heating than the projections when an electrical current is applied to the actuator.Type: ApplicationFiled: March 8, 2022Publication date: June 29, 2023Inventors: Miles Alexander, Scott Robertson, Peter Andriola, Brian Fahey, Matthew Lane Pease
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Publication number: 20230165672Abstract: The present technology relates to adjustable interatrial shunts that are configured to shunt blood between the left atrium and the right atrium. In particular, the adjustable interatrial shunts can include a flow control element moveable through a plurality of discrete position, with each discrete position being associated with a particular shunt geometry, and with each particular shunt geometry being associated with a different fluid resistance and/or relative drainage resistance through the shunt for a given pressure differential between the left atrium and the right atrium. The flow control element can be selectively moveable between the plurality of discrete positions by operation of an actuation assembly. In some embodiments, the adjustable interatrial shunts include a ratchet mechanism that controls the movement of flow control element through the plurality of discrete positions, and can hold or lock the shunt in a desired position or configuration.Type: ApplicationFiled: April 16, 2021Publication date: June 1, 2023Inventors: Brian Fahey, Scott Robertson, Miles Alexander, Anthony Pantages, Tom Saul, William Jason Fox
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Publication number: 20230129883Abstract: The present technology relates to intracardiac sensors and associated systems and methods. In some embodiments, the present technology includes a device for monitoring pressure within a patient's heart. The device can include an implantable capacitor having a capacitance value that is variable based on the pressure within the patients heart and a sensing circuit configured to measure the capacitance value. The device can also include an implantable inductor and a power circuit configured to wirelessly receive power from an external source via the inductor. When the device is in a first configuration, the capacitor can be electrically coupled to the sensing circuit and the inductor can be electrically coupled to the power circuit. When the device is in a second configuration, the capacitor can be electrically coupled to the inductor to form a resonant circuit.Type: ApplicationFiled: April 23, 2021Publication date: April 27, 2023Inventors: Peter Andriola, Brian Fahey, Scott Robertson, Anthony Pantages, Miles Alexander, William Jason Fox
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Patent number: 11633194Abstract: The present technology includes systems and methods for invasively adjusting implantable devices for selectively controlling fluid flow between a first body region and a second body region of a patient. For example, in many of the embodiments described herein, a catheter can be used to mechanically and/or electrically engage an implanted medical device. Once the catheter engages the medical device, the catheter can (i) increase a dimension associated with the medical device, such as through mechanical expansion forces, and/or (ii) decrease a dimension associated with the medical device, such as by heating a shape memory component of the medical device above a phase transition temperature.Type: GrantFiled: April 5, 2022Date of Patent: April 25, 2023Assignee: Shifamed Holdings, LLCInventors: Miles Alexander, Peter Andriola, Brian Fahey, William Jason Fox, Anthony Pantages, Scott Robertson, Jace Valls
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Publication number: 20230118243Abstract: The present technology relates to intracardiac pressure monitoring devices, and associated systems and methods. In some embodiments, the present technology includes a device for monitoring pressure within a patient's heart. The device can include a pressure sensor configured to reside within a first chamber of a heart of a patient, and a pressure transmission element configured to extend from the first chamber through a septal wall to a second chamber of the heart of the patient. When the device is implanted in the patient's heart, the pressure transmission element is configured to transmit pressure from the second chamber to the pressure sensor residing within the first chamber.Type: ApplicationFiled: February 5, 2021Publication date: April 20, 2023Inventors: William Jason Fox, Stefan Schreck, Brian Fahey, Peter Andriola, Scott Robertson, Miles Alexander, Anthony Pantages, Shahn Sage
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Patent number: 11622695Abstract: The present technology relates to intracardiac sensors and associated systems and methods. In some embodiments, the present technology includes a device for monitoring pressure within a patient's heart. The device can include an implantable capacitor having a capacitance value that is variable based on the pressure within the patients heart and a sensing circuit configured to measure the capacitance value. The device can also include an implantable inductor and a power circuit configured to wirelessly receive power from an external source via the inductor. When the device is in a first configuration, the capacitor can be electrically coupled to the sensing circuit and the inductor can be electrically coupled to the power circuit. When the device is in a second configuration, the capacitor can be electrically coupled to the inductor to form a resonant circuit.Type: GrantFiled: April 23, 2021Date of Patent: April 11, 2023Assignee: Shifamed Holdings, LLCInventors: Peter Andriola, Brian Fahey, Scott Robertson, Anthony Pantages, Miles Alexander, William Jason Fox
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Publication number: 20230056924Abstract: The present technology relates to intracardiac pressure monitoring devices, and associated systems and methods. In some embodiments, the present technology includes a device for monitoring pressure within a patient's heart. The device can include a pressure sensor configured to reside within a first chamber of a heart of a patient, and a pressure transmission element configured to extend from the first chamber through a septal wall to a second chamber of the heart of the patient. When the device is implanted in the patient's heart, the pressure transmission element is configured to transmit pressure from the second chamber to the pressure sensor residing within the first chamber.Type: ApplicationFiled: November 4, 2022Publication date: February 23, 2023Inventors: William Jason Fox, Stefan Schreck, Brian Fahey, Peter Andriola, Scott Robertson, Miles Alexander, Anthony Pantages, Shahn Sage
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Publication number: 20220226623Abstract: The present technology is directed to adjustable interatrial shunting systems that selectively control blood flow between the left atrium and the right atrium of a patient. The adjustable interatrial devices include a shunting element having an outer surface configured to engage native tissue and an inner surface defining a lumen that enables blood to flow from the left atrium to the right atrium when the system is deployed across the septal wall. The systems can include an actuation assembly for selectively adjusting a geometry of the lumen and/or a geometry of a lumen orifice to control the flow of blood through the lumen.Type: ApplicationFiled: October 20, 2021Publication date: July 21, 2022Inventors: Brian Fahey, Scott Robertson, William L. Gould, William Jason Fox, Claudio Argento, Anthony Pantages, Miles Alexander, Peter Andriola
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Publication number: 20220226000Abstract: The present technology includes systems and methods for invasively adjusting implantable devices for selectively controlling fluid flow between a first body region and a second body region of a patient. For example, in many of the embodiments described herein, a catheter can be used to mechanically and/or electrically engage an implanted medical device. Once the catheter engages the medical device, the catheter can (i) increase a dimension associated with the medical device, such as through mechanical expansion forces, and/or (ii) decrease a dimension associated with the medical device, such as by heating a shape memory component of the medical device above a phase transition temperature.Type: ApplicationFiled: April 5, 2022Publication date: July 21, 2022Inventors: Miles Alexander, Peter Andriola, Brian Fahey, William Jason Fox, Anthony Pantages, Scott Robertson, Jace Valls
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Publication number: 20220142652Abstract: The present technology includes systems and methods for invasively adjusting implantable devices for selectively controlling fluid flow between a first body region and a second body region of a patient. For example, in many of the embodiments described herein, a catheter can be used to mechanically and/or electrically engage an implanted medical device. Once the catheter engages the medical device, the catheter can (i) increase a dimension associated with the medical device, such as through mechanical expansion forces, and/or (ii) decrease a dimension associated with the medical device, such as by heating a shape memory component of the medical device above a phase transition temperature.Type: ApplicationFiled: November 11, 2021Publication date: May 12, 2022Inventors: Miles Alexander, Peter Andriola, Brian Fahey, William Jason Fox, Anthony Pantages, Scott Robertson, Jace Valls
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Patent number: 11160961Abstract: The present technology is directed to adjustable interatrial shunting systems that selectively control blood flow between the left atrium and the right atrium of a patient. The adjustable interatrial devices include a shunting element having an outer surface configured to engage native tissue and an inner surface defining a lumen that enables blood to flow from the left atrium to the right atrium when the system is deployed across the septal wall. The systems can include an actuation assembly for selectively adjusting a geometry of the lumen and/or a geometry of a lumen orifice to control the flow of blood through the lumen.Type: GrantFiled: March 16, 2021Date of Patent: November 2, 2021Assignee: Shifamed Holdings, LLCInventors: Brian Fahey, Scott Robertson, William L. Gould, William Jason Fox, Claudio Argento, Anthony Pantages, Miles Alexander, Peter Andriola
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Publication number: 20210205590Abstract: The present technology is directed to adjustable interatrial shunting systems that selectively control blood flow between the left atrium and the right atrium of a patient. The adjustable interatrial devices include a shunting element having an outer surface configured to engage native tissue and an inner surface defining a lumen that enables blood to flow from the left atrium to the right atrium when the system is deployed across the septal wall. The systems can include an actuation assembly for selectively adjusting a geometry of the lumen and/or a geometry of a lumen orifice to control the flow of blood through the lumen.Type: ApplicationFiled: March 16, 2021Publication date: July 8, 2021Inventors: Brian Fahey, Scott Robertson, William L. Gould, William Jason Fox, Claudio Argento, Anthony Pantages, Miles Alexander, Peter Andriola
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Publication number: 20210085935Abstract: The present technology is directed to adjustable interatrial shunting systems that selectively control blood flow between the left atrium and the right atrium of a patient. The adjustable interatrial devices include a shunting element having an outer surface configured to engage native tissue and an inner surface defining a lumen that enables blood to flow from the left atrium to the right atrium when the system is deployed across the septal wall. The systems can include an actuation assembly for selectively adjusting a geometry of the lumen and/or a geometry of a lumen orifice to control the flow of blood through the lumen.Type: ApplicationFiled: September 9, 2020Publication date: March 25, 2021Inventors: Brian Fahey, Scott Robertson, William L. Gould, William Jason Fox, Claudio Argento, Anthony Pantages, Miles Alexander, Peter Andriola