Patents by Inventor Rodney L. Houfburg

Rodney L. Houfburg 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).

  • Publication number: 20240142282
    Abstract: A fluid collection and measurement container includes a first wall and a second wall disposed opposite the first wall. The second wall is secured to the first wall and the first wall and the second wall define an expandable volume therebetween. A first electrolytic element is disposed on the first wall and a second electrolytic element is disposed on the second wall. A first terminal is connected to the first electrolytic element and a second terminal is connected to the second electrolytic element.
    Type: Application
    Filed: July 5, 2023
    Publication date: May 2, 2024
    Applicant: Osprey Medical, Inc.
    Inventors: Dale Brady, Rodney L. Houfburg, Steve Rathjen, Matthew M. Burns, Alexander Frederick Dietz
  • Patent number: 11633538
    Abstract: A system for modulating delivery of a fluid medium includes an injector for injecting the fluid medium during an injection cycle, a delivery catheter including a conduit for delivering the fluid medium, a manifold disposed in a fluid medium flow path between the injector and the delivery catheter, and a pulsatile generator. The pulsatile generator is configured to apply a pulsatile force to the fluid medium defined by a plurality of duty cycles during the injection cycle, each of the duty cycles including a first pressure level and a second pressure level that is lower than the first pressure level.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: April 25, 2023
    Assignee: Osprey Medical, Inc.
    Inventors: Matthew M. Burns, Tuan M. Doan, Rodney L. Houfburg, David M. Kaye, Todd J. Mortier
  • Patent number: 11623036
    Abstract: Devices, systems and methods for controlling, regulating, altering, transforming or otherwise modulating the delivery of a substance to a delivery site. The devices, systems and methods optimize the delivery of the substance to an intended site, such as a vessel, vascular bed, organ and/or other corporeal structures, while reducing inadvertent introduction or reflux substance to other vessels, vascular beds, organs, and/or other structures, including systemic introduction.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: April 11, 2023
    Assignee: Osprey Medical, Inc.
    Inventors: Matthew M. Burns, Tuan M. Doan, Rodney L. Houfburg, David M. Kaye, Daniel R. Mans, Todd J. Mortier
  • Patent number: 11499841
    Abstract: An example position determining apparatus, includes a power source, position sensors, and a controller. The position sensors are each selectively powered by the power source and configured to provide a respective sensor reading indicating a proximity of a tracked object. The controller is configured to receive respective sensor readings from the position sensors and identify a position sensor that provided an extremum sensor reading. Based on the sensor readings, the controller selectively cause powering of certain position sensors and prevents powering of other position sensors. The position sensor that provided the extremum sensor reading is one of the powered position sensors. A position output based on the sensor readings is also provided.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: November 15, 2022
    Assignee: Osprey Medical, Inc.
    Inventors: Rodney L. Houfburg, Dale Brady, Steven John Rathjen, Alexander Dietz
  • Publication number: 20220233782
    Abstract: An apparatus has a syringe housing. A plunger has a shaft, wherein the plunger is slidably received within the syringe housing between a first and second position. A Hall sensor is disposed within the shaft and a magnet is fixed proximate the syringe housing.
    Type: Application
    Filed: October 4, 2021
    Publication date: July 28, 2022
    Applicant: Osprey Medical, Inc.
    Inventors: Dale Brady, Rodney L. Houfburg, Steve Rathjen
  • Publication number: 20220211942
    Abstract: A system for delivering an amount of fluid medium includes an injector, a delivery catheter and a pulsatile generator. The injector is configured for injecting the fluid medium during an injection cycle. The delivery catheter includes a conduit for delivering the fluid medium. The pulsatile generator is configured to apply a pulsatile force on the fluid medium delivered through the delivery catheter at a pulsation frequency. The pulsatile force is defined by a plurality of duty cycles during the injection cycle, each of the plurality of duty cycles including a first flow level and a second flow level that is lower than the first flow level. The pulsation frequency is 3 or more duty cycles per second.
    Type: Application
    Filed: February 11, 2022
    Publication date: July 7, 2022
    Inventors: Matthew M. Burns, Tuan M. Doan, Rodney L. Houfburg, David M. Kaye, Todd J. Mortier
  • Publication number: 20220168498
    Abstract: A system for measurement automation of a fluid injected into a patient includes a reservoir, a fluid injection apparatus, and a measurement automation apparatus. The fluid injection apparatus includes a delivery conduit, an injector for injecting the fluid into the patient, a diverter assembly disposed between the delivery conduit and the injector, and a connector between the diverter assembly and delivery conduit. The diverter assembly is configured to divert at least a portion of the fluid away from an injection fluid path between the injector and the delivery conduit to the reservoir. The measurement automation apparatus includes an injector sensor module, a reservoir sensor module, a processer configured to receive the data from the sensor modules, and a display.
    Type: Application
    Filed: August 19, 2021
    Publication date: June 2, 2022
    Applicant: Osprey Medical, Inc.
    Inventors: Dale Brady, Rodney L. Houfburg, William Burmaster
  • Publication number: 20220054751
    Abstract: A system for injecting medium into a patient includes an automated injector including a reservoir, an ejector for ejecting a volume of fluid medium from the reservoir, and an actuator coupled to the ejector. An input device includes a syringe housing, a plunger, a circuit board coupled to a first component of the input device, a plunger position sensor, a battery, and a transmitter for sending an input device action signal to the automated injector. The input device action signal is based at least in part on a signal sent from plunger position sensor. A diversion apparatus is disposed downstream from the reservoir and is configured to receive at least a first portion of the volume of the fluid medium ejected from the reservoir.
    Type: Application
    Filed: September 10, 2021
    Publication date: February 24, 2022
    Inventors: Rodney L. Houfburg, Dale Brady, Matthew M. Burns, Steve Rathjen, Alexander Frederick Dietz
  • Patent number: 11235099
    Abstract: Devices, systems and methods for controlling, regulating, altering, transforming or otherwise modulating the delivery of a substance to a delivery site. The devices, systems and methods optimize the delivery of the substance to an intended site, such as a vessel, vascular bed, organ and/or other corporeal structures, while reducing inadvertent introduction or reflux substance to other vessels, vascular beds, organs, and/or other structures, including systemic introduction.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: February 1, 2022
    Assignee: Osprey Medical, Inc.
    Inventors: Matthew M. Burns, Tuan M. Doan, Rodney L. Houfburg, David M. Kaye, Daniel R. Mans, Todd J. Mortier
  • Patent number: 11219719
    Abstract: An apparatus has a syringe housing and a plunger having a shaft, wherein the plunger is slidably received within the syringe housing between a first and second position. A plurality of Hall sensors are disposed on the shaft. A circuit board is also disposed on the shaft. A battery is disposed on the shaft. A wireless transmitter is disposed on the shaft and provides wireless communication between a Hall sensor and a signal processing device. At least one magnet is fixed proximate the syringe housing.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: January 11, 2022
    Assignee: Osprey Medical, Inc.
    Inventors: Dale Brady, Rodney L. Houfburg, Steve Rathjen
  • Patent number: 11135375
    Abstract: A method of determining an amount of medium injected into a patient includes receiving an injection signal from a sensor associated with an injection syringe. A diversion signal is received from a sensor associated with a diversion reservoir. The amount of medium injected is determined based at least in part on the injection signal and the diversion signal.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: October 5, 2021
    Assignee: Osprey Medical, Inc.
    Inventors: Dale Brady, Rodney L. Houfburg, Steve Rathjen
  • Patent number: 11116892
    Abstract: A system for measurement automation of a fluid injected into a patient includes a reservoir, a fluid injection apparatus, and a measurement automation apparatus. The fluid injection apparatus includes a delivery conduit, an injector for injecting the fluid into the patient, a diverter assembly disposed between the delivery conduit and the injector, and a connector between the diverter assembly and delivery conduit. The diverter assembly is configured to divert at least a portion of the fluid away from an injection fluid path between the injector and the delivery conduit to the reservoir. The measurement automation apparatus includes an injector sensor module, a reservoir sensor module, a processor configured to receive the data from the sensor modules, and a display.
    Type: Grant
    Filed: June 30, 2018
    Date of Patent: September 14, 2021
    Assignee: Osprey Medical, Inc.
    Inventors: Dale Brady, Rodney L. Houfburg, William Burmaster
  • Publication number: 20210030954
    Abstract: A system allows for collection and re-use of a fluid medium derived from diverting at least some of the fluid medium of an injection. The system comprises a sterile container, an injector, a delivery catheter, a flow diverter assembly and a diversion reservoir assembly. The delivery catheter is in communication with a selected site within a patient's body. The flow diverter assembly is disposed in a flow path between the injector and the delivery catheter and is configured to divert at least a portion of a medium of the injection from the flow path. The diversion reservoir assembly has a reservoir chamber fluidly coupled to the flow diverter assembly. The reservoir chamber is configured to receive the diverted portion of the fluid medium to allow re-use by the medium injector of the diverted portion.
    Type: Application
    Filed: October 20, 2020
    Publication date: February 4, 2021
    Inventors: William Burmaster, Tuan M. Doan, Rodney L. Houfburg
  • Publication number: 20210018348
    Abstract: A fluid collection and measurement container includes a first wall and a second wall disposed opposite the first wall. The second wall is secured to the first wall and the first wall and the second wall define an expandable volume therebetween. A first electrolytic element is disposed on the first wall and a second electrolytic element is disposed on the second wall. A first terminal is connected to the first electrolytic element and a second terminal is connected to the second electrolytic element.
    Type: Application
    Filed: July 17, 2020
    Publication date: January 21, 2021
    Applicant: Osprey Medical, Inc.
    Inventors: Dale Brady, Rodney L. Houfburg, Steve Rathjen, Matthew M. Burns, Alexander Frederick Dietz
  • Patent number: 10842933
    Abstract: A system allows for collection and re-use of a fluid medium derived from diverting at least some of the fluid medium of an injection. The system comprises a sterile container, an injector, a delivery catheter, a flow diverter assembly and a diversion reservoir assembly. The delivery catheter is in communication with a selected site within a patient's body. The flow diverter assembly is disposed in a flow path between the injector and the delivery catheter and is configured to divert at least a portion of a medium of the injection from the flow path. The diversion reservoir assembly has a reservoir chamber fluidly coupled to the flow diverter assembly. The reservoir chamber is configured to receive the diverted portion of the fluid medium to allow re-use by the medium injector of the diverted portion.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: November 24, 2020
    Assignee: Osprey Medical, Inc.
    Inventors: William Burmaster, Tuan M. Doan, Rodney L. Houfburg
  • Patent number: 10835670
    Abstract: Systems and methods for modulating delivery of a fluid medium to a selected site within a patient's body are described. A system includes a syringe for injecting the fluid medium, a delivery catheter including a conduit for delivering the fluid medium from outside of the body to the selected site within the body, a diversion reservoir configured to receive a portion of the fluid medium, and a flow diverter assembly disposed in a fluid medium flow path between the syringe and the delivery catheter. The flow diverter assembly is configured to divert the portion of the fluid medium from the chamber of the syringe away from the delivery of the medium through the delivery catheter conduit during injecting with the syringe. The flow diverter assembly simultaneously increases fluid medium flow resistance with increasing pressure level of the fluid medium passing into the flow diverter assembly.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: November 17, 2020
    Assignee: Osprey Medical, Inc.
    Inventors: Matthew M. Burns, Tuan M. Doan, Rodney L. Houfburg, David M. Kaye, Todd J. Mortier
  • Publication number: 20200345933
    Abstract: A system for modulating delivery of a fluid medium includes an injector for injecting the fluid medium during an injection cycle, a delivery catheter including a conduit for delivering the fluid medium, a manifold disposed in a fluid medium flow path between the injector and the delivery catheter, and a pulsatile generator. The pulsatile generator is configured to apply a pulsatile force to the fluid medium defined by a plurality of duty cycles during the injection cycle, each of the duty cycles including a first pressure level and a second pressure level that is lower than the first pressure level.
    Type: Application
    Filed: May 11, 2020
    Publication date: November 5, 2020
    Inventors: Matthew M. Burns, Tuan M, Doan, Rodney L. Houfburg, David M. Kaye, Todd J. Mortier
  • Publication number: 20200326209
    Abstract: An example position determining apparatus, includes a power source, position sensors, and a controller. The position sensors are each selectively powered by the power source and configured to provide a respective sensor reading indicating a proximity of a tracked object. The controller is configured to receive respective sensor readings from the position sensors and identify a position sensor that provided an extremum sensor reading. Based on the sensor readings, the controller selectively cause powering of certain position sensors and prevents powering of other position sensors. The position sensor that provided the extremum sensor reading is one of the powered position sensors. A position output based on the sensor readings is also provided.
    Type: Application
    Filed: April 10, 2020
    Publication date: October 15, 2020
    Inventors: Rodney L. HOUFBURG, Dale BRADY, Steven John RATHJEN, Alexander DIETZ
  • Publication number: 20200069867
    Abstract: Devices, systems and methods for controlling, regulating, altering, transforming or otherwise modulating the delivery of a substance to a delivery site. The devices, systems and methods optimize the delivery of the substance to an intended site, such as a vessel, vascular bed, organ and/or other corporeal structures, while reducing inadvertent introduction or reflux substance to other vessels, vascular beds, organs, and/or other structures, including systemic introduction.
    Type: Application
    Filed: November 11, 2019
    Publication date: March 5, 2020
    Inventors: Matthew M. Burns, Tuan M. Doan, Rodney L. Houfburg, David M. Kaye, Daniel R. Mans, Todd J. Mortier
  • Publication number: 20190307951
    Abstract: Devices, systems and methods for controlling, regulating, altering, transforming or otherwise modulating the delivery of a substance to a delivery site. The devices, systems and methods optimize the delivery of the substance to an intended site, such as a vessel, vascular bed, organ and/or other corporeal structures, while reducing inadvertent introduction or reflux substance to other vessels, vascular beds, organs, and/or other structures, including systemic introduction.
    Type: Application
    Filed: May 21, 2019
    Publication date: October 10, 2019
    Inventors: Matthew M. Burns, Tuan M. Doan, Rodney L. Houfburg, David M. Kaye, Daniel R. Mans, Todd J. Mortier