Patents by Inventor Eran Aharon

Eran Aharon 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).

  • Patent number: 12285360
    Abstract: A phacoemulsification apparatus includes a phacoemulsification probe, an electromechanical valve, and an electromechanical mechanism. The probe having a fluid channel for exchanging fluid with a patient's eye. The electromechanical valve is coupled with the fluid channel and is configured to regulate a fluid flow through the fluid channel. The valve including a cylinder, a piston inside the cylinder, wherein the piston divides the cylinder into a first cavity that is in fluid communication with the fluid channel, and a second cavity, and one or more fluid communication links, which are formed between the first and second cavities. The piston is configured to move inside the cylinder to regulate the flow of the fluid, and the one or more fluid communication links are configured to allow the fluid to flow between the first and second cavities during motion of the piston. The electromechanical mechanism is configured to move the piston.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: April 29, 2025
    Assignee: Johnson & Johnson Surgical Vision, Inc.
    Inventors: Yehuda Algawi, Assaf Govari, Eran Aharon, Ilya Sitnitsky, Stanislav Katzir
  • Publication number: 20250032316
    Abstract: A phacoemulsification simulation apparatus includes a trigger device, at least two sensors, and a processor. The trigger device configured to apply, to fluid at an inlet of a needle of a phacoemulsifier, a pressure profile as a function of time in response to an input waveform. The at least two sensors are configured to measure a pressure of the fluid at respective points in the phacoemulsification simulation apparatus. The processor is configured to (a) drive the trigger device with the input waveform, thereby causing the trigger device to apply the pressure profile to the inlet while the fluid is aspirated via an aspiration line, (b) receive measurements of the pressure of the fluid from the at least two sensors, and (c) analyze an aspiration performance of the phacoemulsifier in response to the measurements.
    Type: Application
    Filed: October 17, 2024
    Publication date: January 30, 2025
    Inventors: Assaf Govari, Yehuda Algawi, Amit Fuchs, Eran Aharon, Ilya Sitnitsky
  • Publication number: 20250035109
    Abstract: An apparatus includes a base, including two motors and a mechanical coupling mechanism, and a cartridge shaped to define two stators and respective pairs of ports in fluidic communication with the stators. The cartridge is removably insertable into the base and includes two rotors disposed, respectively, within the stators. The mechanical coupling mechanism is configured to mechanically couple the rotors to the motors, respectively, such that, following insertion of the cartridge into the base, the motors rotate the rotors, thereby pumping fluid through the pairs of ports. Other embodiments are also described.
    Type: Application
    Filed: October 9, 2024
    Publication date: January 30, 2025
    Inventors: Yehuda Algawi, Assaf Govari, Eran Aharon, Ilya Sitnitsky, Stanislav Katzir
  • Patent number: 12150894
    Abstract: A phacoemulsification simulation apparatus includes a trigger device, at least two sensors, and a processor. The trigger device configured to apply, to fluid at an inlet of a needle of a phacoemulsifier, a pressure profile as a function of time in response to an input waveform. The at least two sensors are configured to measure a pressure of the fluid at respective points in the phacoemulsification simulation apparatus. The processor is configured to (a) drive the trigger device with the input waveform, thereby causing the trigger device to apply the pressure profile to the inlet while the fluid is aspirated via an aspiration line, (b) receive measurements of the pressure of the fluid from the at least two sensors, and (c) analyze an aspiration performance of the phacoemulsifier in response to the measurements.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: November 26, 2024
    Assignee: Johnson & Johnson Surgical Vision, Inc.
    Inventors: Assaf Govari, Yehuda Algawi, Amit Fuchs, Eran Aharon, Ilya Sitnitsky
  • Patent number: 12129848
    Abstract: An apparatus includes a base, including two motors and a mechanical coupling mechanism, and a cartridge shaped to define two stators and respective pairs of ports in fluidic communication with the stators. The cartridge is removably insertable into the base and includes two rotors disposed, respectively, within the stators. The mechanical coupling mechanism is configured to mechanically couple the rotors to the motors, respectively, such that, following insertion of the cartridge into the base, the motors rotate the rotors, thereby pumping fluid through the pairs of ports. Other embodiments are also described.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: October 29, 2024
    Assignee: Johnson & Johnson Surgical Vision, Inc.
    Inventors: Yehuda Algawi, Assaf Govari, Eran Aharon, Ilya Sitnitsky, Stanislav Katzir
  • Publication number: 20240293258
    Abstract: An apparatus for mechanically coupling a motor to a rotor includes an outer ring including an inner surface shaped to define multiple recesses, an inner ring disposed within the outer ring and shaped to define multiple compartments having respective outer openings, which face the outer ring, and respective inner openings opposite the outer openings, and multiple gripping elements disposed within the compartments, respectively. The inner ring is configured to receive the rotor while the compartments are aligned with the of recesses, by virtue of the gripping elements sitting at least partially within the recesses. The outer ring is configured to couple with a shaft coupled with the motor such that rotation of the shaft by the motor causes the compartments to become misaligned with the recesses, thereby causing the outer ring to push the gripping elements, through the outer openings, against the rotor, through the inner openings.
    Type: Application
    Filed: May 14, 2024
    Publication date: September 5, 2024
    Inventors: Yehuda Algawi, Assaf Govari, Eran Aharon, Ilya Sitnitsky, Stanislav Katzir
  • Patent number: 12076274
    Abstract: A phacoemulsification system includes a phacoemulsification probe and a processor. The phacoemulsification probe includes (a) a needle configured for insertion into a lens capsule of an eye, and to be vibrated to emulsify a lens of the eye, (b) an irrigation channel for flowing irrigation fluid into the lens capsule, (c) an aspiration channel for removing material from the lens capsule, (d) a bypass channel fluidly coupled with the irrigation channel and with the aspiration channel, (e) a processor-controlled valve configured to control a level of fluid communication between the irrigation channel and the aspiration channel via the bypass channel, and (f) one or more sensors configured to measure fluid pressure at a distal portion of one or both of the irrigation channel and the aspiration channel. The processor is configured to adaptively adjust the valve based on the fluid pressure measured by the one or more sensors.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: September 3, 2024
    Assignee: Johnson & Johnson Surgical Vision, Inc.
    Inventors: Assaf Govari, Yehuda Algawi, Ilya Sitnitsky, Eran Aharon, Stanislav Katzir
  • Publication number: 20240291776
    Abstract: A routing controller (30) includes an interface (68) and multiple processors (60). The interface is configured to receive a permutation (76) defining requested interconnections between N input ports and N output ports of a Benes network (24). The Benes network includes multiple 2-by-2 switches (42), and is reducible in a plurality of nested subnetworks associated with respective nesting levels, down to irreducible subnetworks including a single 2-by-2 switch. The multiple processors are configured to collectively determine a setting of the 2-by-2 switches that implements the received permutation, including determining sub-settings for two or more subnetworks of a given nesting level in parallel, and to configure the multiple 2-by-2 switches of the Benes network in accordance with the determined setting.
    Type: Application
    Filed: May 5, 2024
    Publication date: August 29, 2024
    Inventors: Ioannis (Giannis) Patronas, Paraskevas Bakopoulos, Eitan Zahavi, Eran Aharon, Elad Mentovich
  • Patent number: 12016795
    Abstract: An apparatus for mechanically coupling a motor to a rotor includes an outer ring including an inner surface shaped to define multiple recesses, an inner ring disposed within the outer ring and shaped to define multiple compartments having respective outer openings, which face the outer ring, and respective inner openings opposite the outer openings, and multiple gripping elements disposed within the compartments, respectively. The inner ring is configured to receive the rotor while the compartments are aligned with the of recesses, by virtue of the gripping elements sitting at least partially within the recesses. The outer ring is configured to couple with a shaft coupled with the motor such that rotation of the shaft by the motor causes the compartments to become misaligned with the recesses, thereby causing the outer ring to push the gripping elements, through the outer openings, against the rotor, through the inner openings.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: June 25, 2024
    Assignee: Johnson & Johnson Surgical Vision, Inc.
    Inventors: Yehuda Algawi, Assaf Govari, Eran Aharon, Ilya Sitnitsky, Stanislav Katzir
  • Patent number: 12010042
    Abstract: A routing controller (30) includes an interface (68) and multiple processors (60) The interface is configured to receive a permutation (76) defining requested interconnections between N input ports and N output ports of a Benes network (24). The Benes network includes multiple 2-by-2 switches (42), and is reducible in a plurality of nested subnetworks associated with respective nesting levels, down to irreducible subnetworks including a single 2-by-2 switch. The multiple processors are configured to collectively determine a setting of the 2-by-2 switches that implements the received permutation, including determining sub-settings for two or more subnetworks of a given nesting level in parallel, and to configure the multiple 2-by-2 switches of the Benes network in accordance with the determined setting.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: June 11, 2024
    Assignee: MELLANOX TECHNOLOGIES, LTD.
    Inventors: Ioannis (Giannis) Patronas, Paraskevas Bakopoulos, Eitan Zahavi, Eran Aharon, Elad Mentovich
  • Publication number: 20240142791
    Abstract: A system for visualizing catheter irrigation, the system includes a fluid container, a pump, a schlieren imaging assembly and a processor. The fluid container is configured to: (i) contain a first fluid, which is at least partially transparent and has a first temperature, and (ii) receive into the first fluid a catheter having one or more irrigation holes. The pump is configured to inject, through the one or more irrigation holes, a second fluid, which is at least partially transparent and has a second different temperature. The schlieren imaging assembly is configured to acquire schlieren images of turbulence occurring in the first fluid when injecting the second fluid, and the processor is configured to visualize the irrigation using the schlieren images.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Inventors: Assaf GOVARI, Amit FUCHS, Eran AHARON, Yehuda ALGAWI
  • Patent number: 11896297
    Abstract: A system for visualizing one or more bubbles formed by a catheter, the system includes a fluid container, a pulse generator, a schlieren imaging assembly, and a processor. The fluid container is configured to: (i) contain a fluid, and (ii) receive into the fluid the catheter having one or more electrodes. The pulse generator is configured to apply one or more pulses to at least one of the electrodes. The schlieren imaging assembly is configured to acquire schlieren images of the bubbles occurring in the fluid when applying the one or more pulses, and the processor is configured to visualize the bubbles using the schlieren images.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: February 13, 2024
    Assignee: Biosense Webster (Israel) Ltd.
    Inventors: Assaf Govari, Eran Aharon, Amit Fuchs
  • Patent number: 11867924
    Abstract: A system for visualizing catheter irrigation, the system includes a fluid container, a pump, a schlieren imaging assembly and a processor. The fluid container is configured to: (i) contain a first fluid, which is at least partially transparent and has a first temperature, and (ii) receive into the first fluid a catheter having one or more irrigation holes. The pump is configured to inject, through the one or more irrigation holes, a second fluid, which is at least partially transparent and has a second different temperature. The schlieren imaging assembly is configured to acquire schlieren images of turbulence occurring in the first fluid when injecting the second fluid, and the processor is configured to visualize the irrigation using the schlieren images.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: January 9, 2024
    Assignee: Biosense Webster (Israel) Ltd.
    Inventors: Assaf Govari, Amit Fuchs, Eran Aharon, Yehuda Algawi
  • Patent number: 11806465
    Abstract: In one embodiment, an irrigated medical system includes a medical tool, an irrigation line configured to fluidically connect an irrigation reservoir storing irrigation fluid to the medical tool, and provide at least some of the irrigation fluid to the medical tool, a force sensor configured to be coupled with the irrigation reservoir, and provide a signal responsively to a force exerted by the irrigation reservoir on the force sensor over time as irrigation fluid in the irrigation reservoir is depleted, and a controller configured to find an irrigation rate of the irrigation fluid flowing in the irrigation line responsively to the signal.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: November 7, 2023
    Assignee: JOHNSON & JOHNSON SURGICAL VISION, INC.
    Inventors: Assaf Govari, Eran Aharon
  • Patent number: 11774001
    Abstract: In one embodiment, a fluid dynamics system includes a solenoid valve including a valve body including ports including an inlet and outlet port, and a valve cavity having a direction of elongation and configured to provide fluid connectivity between ones of the ports, a solenoid coil disposed around valve cavity, and a plunger including a permanent magnet, and configured to move back-and-forth along the direction of elongation between a first and a second position in the valve cavity selectively controlling the fluid connectivity between respective ones of the ports, the valve body including shock absorber(s) to soften striking of the plunger against the valve body in the direction of elongation, and a controller configured to apply at least one current to the solenoid coil to selectively move the plunger between the first and second position, and to selectively maintain the plunger in the first position and the second position.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: October 3, 2023
    Assignee: JOHNSON & JOHNSON SURGICAL VISION, INC.
    Inventors: Assaf Govari, Yehuda Algawi, Eran Aharon, Ilya Sitnitsky
  • Patent number: 11771818
    Abstract: In some embodiments, a fluid dynamics system includes a solenoid valve including a valve body including ports including an inlet port and an outlet port, and a valve cavity having a direction of elongation and configured to provide fluid connectivity between respective ones of the ports, a solenoid coil disposed in the valve body around valve cavity, and a plunger comprising a permanent magnet, and configured to move back-and-forth along the direction of elongation between a first position and a second position in the valve cavity selectively controlling the fluid connectivity between respective ones of the ports, and a controller configured to apply at least one current to the solenoid coil to selectively move the plunger between the first position and the second position, and to selectively maintain the plunger in the first position and the second position.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: October 3, 2023
    Assignee: JOHNSON & JOHNSON SURGICAL VISION, INC.
    Inventors: Assaf Govari, Yehuda Algawi, Eran Aharon, Ilya Sitnitsky, Stanislav Katzir, Amit Fuchs
  • Patent number: 11771594
    Abstract: A system includes (i) a solenoid valve, positioned between a handle of a probe, and an aspiration line coupled with the handle for aspirating fluids from the probe, the solenoid valve includes at least a solenoid coil and a plunger movable by the solenoid coil, (ii) a sensor, positioned between the handle and the aspiration line and configured to produce a signal indicative of a fluid metric in the aspiration line, and (iii) a controller, configured to identify, based on the signal, a vacuum surge in the aspiration line, and, in response to identifying the vacuum surge, to apply at least one current to the solenoid coil to selectively move the plunger between a first position and a second position, and to selectively maintain the plunger in the first position and the second position.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: October 3, 2023
    Assignee: JOHNSON & JOHNSON SURGICAL VISION, INC.
    Inventors: Assaf Govari, Eran Aharon, Yehuda Algawi, Ilya Sitnitsky, Amit Fuchs
  • Patent number: 11769988
    Abstract: A tunable vertical-cavity surface-emitting laser (VCSEL) is provided. The VCSEL includes a VCSEL emission structure, piezoelectric material, and a piezoelectric electrode. The VCSEL emission structure includes a first reflector; a second reflector; and an active cavity material structure disposed between the first and second reflectors. The active cavity material structure includes an active region. The piezoelectric material is mechanically coupled to the VCSEL emission structure such that when the piezoelectric material experiences a mechanical stress, the mechanical stress is transferred to the active cavity material structure of the VCSEL emission structure. The piezoelectric electrode is designed to cause an electric field within the piezoelectric material.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: September 26, 2023
    Assignee: MELLANOX TECHNOLOGIES, LTD.
    Inventors: Eran Aharon, Itshak Kalifa, Elad Mentovich, Matan Galanty, Isabelle Cestier
  • Publication number: 20230240889
    Abstract: A system and method for driving a medical probe. The system including a processor configured to apply respective harmonic electrical signals to two or more piezoelectric crystals coupled with a tip of the medical probe so as to cause the tip to vibrate; and a balancer, which is configured to iteratively adjust the signals to equalize a selected parameter of the signals, so as to cause the tip to vibrate at a predefined trajectory. The method including applying respective harmonic electrical signals to two or more piezoelectric crystals coupled with a tip of the medical probe so as to cause the tip to vibrate. The signals are iteratively adjusted to equalize a selected parameter of the signals, so as to cause the tip to vibrate at a predefined trajectory.
    Type: Application
    Filed: February 1, 2022
    Publication date: August 3, 2023
    Inventors: Amit Fuchs, Assaf Govari, Eran Aharon
  • Publication number: 20230218437
    Abstract: A phacoemulsification system includes a hollow needle, an aspiration line, and a protection valve inserted in the aspiration line. The needle is configured to emulsify a lens of an eye. The aspiration line is for evacuating material from the eye. The protection valve includes a chamber, a piston and a seal. The chamber has an inlet for receiving the material arriving from the needle, and an outlet for flowing the material along the aspiration line. The piston is configured to move in the chamber between a first position that enables material flow between the inlet and the outlet, and a second position that blocks the material flow. The seal is coupled with the inlet and is configured, when the piston is in the second position, to compress between the piston and the inlet in response to a pressure pulse that propagates in the aspiration line, thereby hermetically sealing the inlet.
    Type: Application
    Filed: January 7, 2022
    Publication date: July 13, 2023
    Inventors: Assaf Govari, Vadim Gliner, Eran Aharon