Patents by Inventor Donald Lee Hannula

Donald Lee Hannula 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).

  • MULTIPLE TUBE INTRAVENOUS FLUID DELIVERY SYSTEM
    Publication number: 20230364338
    Abstract: An intravenous fluid delivery system includes a multiple tube portion including multiple IV fluid lines carrying fluid that are removably connected to each other and connectable to separate IV sources and a mixing element connected to the multiple IV fluid lines and configured to mix the fluid from the multiple IV fluid lines and provide them to a single outlet.
    Type: Application
    Filed: May 11, 2023
    Publication date: November 16, 2023
    Inventors: Christopher PAGE, Donald Lee HANNULA, Michael R. BIELSKI
  • Attachment system, device and method
    Patent number: 9682180
    Abstract: A ventricular assist system and a method of implanting the system are disclosed. The system can have a pump, an inflow conduit, an outflow conduit, attachment ring, ring clamp, and a valvular structure. The attachment ring can be attached to the apex of the heart. The valvular structure can have a flexible, one-way valve in a rigid housing. The inflow conduit can be passed through the valvular structure and the attachment ring into a beating heart with minimal loss of blood. Devices such as slitting tool, coring knife, and/or C-clamp and use of the devices can form part of the system and method for implanting the ventricular assist device.
    Type: Grant
    Filed: November 14, 2010
    Date of Patent: June 20, 2017
    Assignee: THORATEC CORPORATION
    Inventors: Carine Hoarau, John Duc Nguyen, Steven H. Reichenbach, Ruth Eleanor Costa, James Badia, Donald Lee Hannula
  • Attachment System, Device and Method
    Publication number: 20110118766
    Abstract: A ventricular assist system and a method of implanting the system are disclosed. The system can have a pump, an inflow conduit, an outflow conduit, attachment ring, ring clamp, and a valvular structure. The attachment ring can be attached to the apex of the heart. The valvular structure can have a flexible, one-way valve in a rigid housing. The inflow conduit can be passed through the valvular structure and the attachment ring into a beating heart with minimal loss of blood. Devices such as slitting tool, coring knife, and/or C-clamp and use of the devices can form part of the system and method for implanting the ventricular assist device.
    Type: Application
    Filed: November 14, 2010
    Publication date: May 19, 2011
    Applicant: Thoratec Corporation
    Inventors: Steven H. Reichenbach, Carine Hoarau, John Duc Nguyen, Ruth Eleanor Costa, James Badia, Donald Lee Hannula
  • Attachment device and method
    Publication number: 20110118829
    Abstract: A ventricular assist system and a method of implanting the system are disclosed. The system can have a pump, an inflow conduit, an outflow conduit, and attachment ring and a valvular structure. The attachment ring can be attached to the apex of the heart. The valvular structure can have a flexible, one-way valve in a rigid housing. The inflow conduit can be passed through the valvular structure and the attachment ring into a beating heart with minimal loss of blood.
    Type: Application
    Filed: November 15, 2009
    Publication date: May 19, 2011
    Applicant: Thoratec Corporation
    Inventors: Carine Hoarau, Steven H. Reichenbach, Ruth Eleanor Costa, James Luis Badia, Donald Lee Hannula
  • Attachment device and method
    Publication number: 20110118833
    Abstract: A ventricular assist system and a method of implanting the system are disclosed. The system can have a pump, an inflow conduit, an outflow conduit, and attachment ring and a valvular structure. The attachment ring can be attached to the apex of the heart. The valvular structure can have a flexible, one-way valve in a rigid housing. The inflow conduit can be passed through the valvular structure and the attachment ring into a beating heart with minimal loss of blood.
    Type: Application
    Filed: November 15, 2009
    Publication date: May 19, 2011
    Applicant: Thoratec Corporation
    Inventors: Steven H. Reichenbach, Carine Hoarau, Donald Lee Hannula, Ruth Eleanor Costa