Thomas A Michaels

US Patent:

7481243, Jan 27, 2009

Filed:

Feb 19, 2004

Appl. No.:

10/782471

Inventors:

Thomas L. Michaels - McHenry IL, US
Kenneth Horton, Jr. - Kildeer IL, US
Shannon C. Ingram - San Antonio TX, US

Assignee:

Allegiance Corporation - McGaw Park IL

International Classification:

A61M 1/00
A61M 39/10

US Classification:

137892, 2511492, 604319

Abstract:

An innovative method and apparatus for disposing of waste fluids, especially human body fluids such as are generated during surgery, into a hospital's sanitary sewer system is provided. A conduit system is adapted to transport waste fluid from a receptacle to a sanitary sewer using an eductor having a venturi device. The conduit system includes first and second conduits. First and second connectors are used to easily connect the first conduit to the second conduit. The second connector includes a flap that acts as a check valve.

US Patent:

8025173, Sep 27, 2011

Filed:

Sep 7, 2006

Appl. No.:

11/517125

Inventors:

Thomas L. Michaels - McCullom Lake IL, US

Assignee:

Allegiance Corporation - McGaw Park IL

International Classification:

B65D 25/14
B65D 35/14
B65D 90/00

US Classification:

22049506, 22049508

Abstract:

A collapsible liner for use in a canister of a medical fluid collection system is disclosed. The liner includes a flexible bag extending longitudinally between a top portion opposite a closed bottom portion, and at least one support element connected to the bag and disposed generally laterally relative to a length of the bag. When an interior of the bag is subjected to a vacuum, the at least one support element limits an extent of lateral collapse while permitting longitudinal collapse.

US Patent:

8172817, May 8, 2012

Filed:

Jan 31, 2007

Appl. No.:

11/700355

Inventors:

Thomas L. Michaels - McCullom Lake IL, US
Russ A. Johnson - Spring Grove IL, US
Jeannie Thomas - Riverwoods IL, US

Assignee:

Allegiance Corporation - McGaw Park IL

International Classification:

A61M 1/00

US Classification:

604317, 604318, 604322, 604326

Abstract:

Various embodiments of a fluid collection system having multiple storage chambers are disclosed. In an exemplary embodiment, the system may include a first chamber in fluid communication with a suction source and a second chamber in fluid communication with the first chamber. The second chamber may have a volume less than a volume of the first chamber. The second chamber may also comprise an inlet port for connecting to an external tube. The system may be configured to selectively drain liquid from the second chamber into the first chamber.

US Patent:

8308704, Nov 13, 2012

Filed:

Mar 19, 2010

Appl. No.:

12/728062

Inventors:

Thomas L. Michaels - McCullom Lake IL, US
Russ A. Johnson - Spring Grove IL, US
Jeannie Thomas - Riverwoods IL, US

Assignee:

Allegiance Corporation - McGaw Park IL

International Classification:

A61M 1/00

US Classification:

604317, 604318, 604322, 604326

Abstract:

Various embodiments of a fluid collection system having multiple storage chambers are disclosed. In an exemplary embodiment, the system may include a first chamber in fluid communication with a suction source and a second chamber in fluid communication with the first chamber. The second chamber may have a volume less than a volume of the first chamber. The second chamber may also comprise an inlet port for connecting to an external tube. The system may be configured to selectively drain liquid from the second chamber into the first chamber.

US Patent:

8328778, Dec 11, 2012

Filed:

Mar 19, 2010

Appl. No.:

12/728034

Inventors:

Thomas L. Michaels - McCullom Lake IL, US
Russ A. Johnson - Spring Grove IL, US
Jeannie Thomas - Riverwoods IL, US

Assignee:

Allegiance Corporation - McGaw Park IL

International Classification:

A61M 1/00

US Classification:

604317, 604318, 604322, 604326

Abstract:

Various embodiments of a fluid collection system having multiple storage chambers are disclosed. In an exemplary embodiment, the system may include a first chamber in fluid communication with a suction source and a second chamber in fluid communication with the first chamber. The second chamber may have a volume less than a volume of the first chamber. The second chamber may also comprise an inlet port for connecting to an external tube. The system may be configured to selectively drain liquid from the second chamber into the first chamber.

US Patent:

8403900, Mar 26, 2013

Filed:

Mar 19, 2010

Appl. No.:

12/728057

Inventors:

Thomas L. Michaels - McCullom Lake IL, US
Russ A. Johnson - Spring Grove IL, US
Jeannie Thomas - Riverwoods IL, US

Assignee:

Allegiance Corporation - McGaw Park IL

International Classification:

A61M 1/00

US Classification:

604317, 604318, 604322, 604326

Abstract:

Various embodiments of a fluid collection system having multiple storage chambers are disclosed. In an exemplary embodiment, the system may include a first chamber in fluid communication with a suction source and a second chamber in fluid communication with the first chamber. The second chamber may have a volume less than a volume of the first chamber. The second chamber may also comprise an inlet port for connecting to an external tube. The system may be configured to selectively drain liquid from the second chamber into the first chamber.

US Patent:

8419697, Apr 16, 2013

Filed:

Mar 19, 2010

Appl. No.:

12/728048

Inventors:

Thomas L. Michaels - McCullom Lake IL, US
Russ A. Johnson - Spring Grove IL, US
Jeannie Thomas - Riverwoods IL, US

Assignee:

Allegiance Corporation - McGaw Park IL

International Classification:

A61M 1/00

US Classification:

604317, 604318, 604322, 604326

Abstract:

Various embodiments of a fluid collection system having multiple storage chambers are disclosed. In an exemplary embodiment, the system may include a first chamber in fluid communication with a suction source and a second chamber in fluid communication with the first chamber. The second chamber may have a volume less than a volume of the first chamber. The second chamber may also comprise an inlet port for connecting to an external tube. The system may be configured to selectively drain liquid from the second chamber into the first chamber.

US Patent:

8460256, Jun 11, 2013

Filed:

Jul 15, 2010

Appl. No.:

12/837297

Inventors:

Thomas L. Michaels - McCullom Lake IL, US
Russ A. Johnson - Spring Grove IL, US
Eric D. Hill - Gurnee IL, US

Assignee:

Allegiance Corporation - McGaw Park IL

International Classification:

A61M 1/00
A47L 5/00
F16J 15/16

US Classification:

604317, 604 38, 604121, 604141, 604143, 153001, 13756523, 2104161, 277311

Abstract:

A fluid collection system includes a disposable collection container and a disposable collection container receiving housing, the housing having a cavity and a suction source. The fluid collection container may include a flexible liner and a shelf for diverting fluid from the suction and to assist with a collapse of the liner during evacuation of the fluid from the liner. The collection container receiving housing may include a piston assembly having a main piston body and a scraper ring. The collection container receiving housing may include a piston stop feature. The system may include a partially hydrophobic filter and a flat surface suction tool.