Patents by Inventor Ryan R. Brumund

Ryan R. Brumund 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: 9272089
    Abstract: A differential pressure based flow sensor assembly and method of using the same to determine the rate of fluid flow in a fluid system. The sensor assembly comprises a disposable portion and a reusable portion. A flow restricting element is positioned along a fluid flow passage between an inlet and an outlet. The disposable portion further has an upstream fluid pressure membrane and a downstream fluid pressure membrane. The reusable portion has an upstream fluid pressure sensor and a downstream fluid pressure sensor. The upstream fluid pressure sensor senses the upstream fluid pressure at a location within the fluid flow passage between the inlet and the flow restricting element. The downstream fluid pressure sensor senses the downstream fluid pressure at a location within the fluid flow passage between the flow restricting element and the outlet. The process utilizes output of the sensors to calculate the flow rate of the fluid.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: March 1, 2016
    Assignee: HOSPIRA, INC.
    Inventors: James D Jacobson, Brian Barclay, Ryan R Brumund, Steven T Cho, Hrishikesh Choudhury, Marwan A Fathallah, Tom Johnson, Patrick B Keely, Mohammad M Khair, Michael G Lowery, Frank Walsworth, John S Ziegler
  • Patent number: 8858185
    Abstract: An infusion system and method for controlling the fluid flow from a pump includes a pump system that has a controller that utilizes an algorithm to control the flow rate of fluid through tubing. A plurality of electrodes operatively contacts an electrically conductive portion of the tubing that is also acted upon by the pump system. The electrodes monitor electrical properties of the tubing and provide an electric signal indicative thereof to the controller, which varies the flow rate of the fluid through the tubing as a result of the electric signal.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: October 14, 2014
    Assignee: Hospira, Inc.
    Inventors: Thomas D. Johnson, Ryan R. Brumund, James A. McNeely
  • Patent number: 8523797
    Abstract: A point of care fluid testing system for determining properties of a fluid comprises a patient connection, a primary fluid routing portion, a pump, a secondary fluid routing portion, and a flushing fluid connection. The patient connection connects the system to a patient. The primary fluid routing portion has a pump region, a fluid transfer region, and an in-line testing region. The pump region pumps the fluid sample from the patient to the testing portion and back to the patient. The in-line testing region evaluates a first characteristic of the fluid sample. The fluid transfer region transmits a portion of the fluid sample out of the primary fluid routing portion. The secondary fluid routing portion includes an off-line testing portion that receives the portion of the fluid sample transmitted from the fluid transfer region. The off-line testing portion evaluates a second characteristic of the fluid sample.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: September 3, 2013
    Assignee: Hospira, Inc.
    Inventors: Michael G. Lowery, Marwan A. Fathallah, John S. Ziegler, Ryan R. Brumund, Brian Barclay, Frank J. Walsworth, James D. Jacobson, Yei Feng Moy, Thomas D. Johnson
  • Publication number: 20110318198
    Abstract: An infusion system and method for controlling the fluid flow from a pump includes a pump system that has a controller that utilizes an algorithm to control the flow rate of fluid through tubing. A plurality of electrodes operatively contacts an electrically conductive portion of the tubing that is also acted upon by the pump system. The electrodes monitor electrical properties of the tubing and provide an electric signal indicative thereof to the controller, which varies the flow rate of the fluid through the tubing as a result of the electric signal.
    Type: Application
    Filed: June 21, 2011
    Publication date: December 29, 2011
    Applicant: HOSPIRA, INC.
    Inventors: Thomas D. Johnson, Ryan R. Brumund, James A. McNeely
  • Publication number: 20090281460
    Abstract: A point of care fluid testing system for determining properties of a fluid comprises a patient connection, a primary fluid routing portion, a pump, a secondary fluid routing portion, and a flushing fluid connection. The patient connection connects the system to a patient. The primary fluid routing portion has a pump region, a fluid transfer region, and an in-line testing region. The pump region pumps the fluid sample from the patient to the testing portion and back to the patient. The in-line testing region evaluates a first characteristic of the fluid sample. The fluid transfer region transmits a portion of the fluid sample out of the primary fluid routing portion. The secondary fluid routing portion includes an off-line testing portion that receives the portion of the fluid sample transmitted from the fluid transfer region. The off-line testing portion evaluates a second characteristic of the fluid sample.
    Type: Application
    Filed: May 4, 2009
    Publication date: November 12, 2009
    Applicant: HOSPIRA, INC.
    Inventors: Michael G. Lowery, Marwan A. Fathallah, John S. Ziegler, Ryan R. Brumund, Brian Barclay, Frank J. Walsworth, James D. Jacobson, Yei Feng Moy, Thomas D. Johnson