Patents by Inventor Christopher A. Jethrow

Christopher A. Jethrow 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: 8025807
    Abstract: A processor for decontaminating devices is comprised of a chamber for holding devices and a circulation system to circulate a microbial decontamination fluid through the chamber. A water filtration system filters water used in the processor. The water filtration system has a water line connectable to a source of pressurized water. A water decontamination system fluidly communicates with the source of water and the processor. The water decontamination system has a water circulation path and a tank located within the water circulation path. Means are provided to circulate water along the water circulation path through the tank. A gas circulation path fluidly communicates with the tank. Conveying means is provided to convey gas along the gas circulation path through the tank. An ozone producing device is located along the gas circulation path to introduce ozone into gas flowing along the gas circulation path and through the tank.
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: September 27, 2011
    Assignee: American Sterilizer Company
    Inventors: Michael A. Centanni, Kathleen A. Fix, Christopher A. Jethrow
  • Patent number: 8012424
    Abstract: A container for holding items to be microbially deactivated in a reprocessor. The container is comprised of a generally cup shaped tray having a bottom wall and a continuous side wall extending to one side from the periphery of the bottom wall. The bottom wall and the side wall defining a cavity for receiving instruments and items to be microbially deactivated. A lid is attachable to the tray. The lid is dimensioned to cover the cavity. An inlet port is formed in the tray to communicate with the cavity. An outlet port is formed in the tray to communicate with the cavity. A barrier element is disposed within one of the ports. The barrier element controls flow through the one port. The barrier element is comprised of a material that is permeable to gas and water vapor but impermeable to liquid, bacteria and organisms.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: September 6, 2011
    Assignee: American Sterilizer Company
    Inventors: Christopher A. Jethrow, Karl Ludwig, Alan M. Solomon, Phillip Mallory, Jeffrey R. Horacek, Jude A. Kral
  • Patent number: 8012425
    Abstract: An apparatus for deactivating medical instruments and devices comprised of a deactivation chamber movable between a loading position and a deactivation position. A circulation system is provided to circulate a deactivating fluid through the deactivation chamber. The circulation system is connectable to the deactivation chamber when the deactivation chamber is in the deactivation position.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: September 6, 2011
    Assignee: American Sterilizer Company
    Inventors: Jeffrey R. Horacek, Donald A. Sargent, Alan M. Solomon, John J. Mayer, Christopher A. Jethrow, Karl Ludwig, Jude A. Kral
  • Patent number: 7910072
    Abstract: An apparatus for deactivating medical instruments and devices, comprised of a decontamination chamber dimensioned to receive medical instruments and devices to be microbially deactivated. A circulation system is provided to circulate a deactivating fluid through the deactivation chamber. The circulation system has a first fluid path connected to the decontamination chamber and a second fluid path is connected to the first fluid path. A water inlet line introduces water into the apparatus. The water inlet line is connected to the second fluid path. A filter is disposed within the second fluid path to filter fluid within the apparatus. A first pump is disposed in the first fluid path to circulate fluid in the first fluid path. A second pump is disposed in the second fluid path to circulate fluid in the second fluid path.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: March 22, 2011
    Assignee: American Sterilizer Company
    Inventor: Christopher A. Jethrow
  • Patent number: 7871565
    Abstract: A method of generating a microbial deactivation fluid to circulate through an apparatus that has a decontamination chamber for holding medical instruments and devices, comprising the steps of: (a) providing a first compartment and a second compartment in the circulation system; (b) providing a chemical reagent in the first compartment and a builder composition in the second compartment; (c) causing a fluid to flow through the second compartment to mix with the builder composition to create an alkaline fluid; (d) when the alkaline fluid has reached a predetermined pH level, causing the alkaline fluid to flow through the first compartment to mix with the chemical reagent to dissolve the chemical reagent to generate a microbial deactivation fluid; and (e) continuing steps (c) and (d) to continue the generation of the microbial deactivation fluid.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: January 18, 2011
    Assignee: American Sterilizer Company
    Inventors: Christopher A. Jethrow, John J. Mayer, Dana M. Hall, Donald G. Rosenhamer
  • Patent number: 7850932
    Abstract: An apparatus for deactivating medical instruments and devices having a circulation system for circulating fluids through the apparatus and a chemical delivery assembly for generating a deactivation fluid to circulate through the circulation system. The chemical delivery assembly is comprised of a chemistry housing that has a first receptacle and a second receptacle formed therein. A first fluid inlet communicates with the first receptacle. A second fluid inlet communicates with the second receptacle. A first fluid outlet is disposed near an upper portion of the first receptacle to establish a predetermined fluid level in the first receptacle when fluid is introduced into the first receptacle. A second fluid outlet is disposed near an upper portion of the second receptacle to establish a predetermined fluid level in the second receptacle when fluid is introduced into the second receptacle. A lid is attached to the chemistry housing. The lid is movable between a first position and a second position.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: December 14, 2010
    Assignee: American Sterilizer Company
    Inventors: John J. Mayer, Christopher A. Jethrow, Karl Ludwig
  • Patent number: 7744832
    Abstract: A multi-chamber instrument container for microbially deactivating medical, dental, veterinary and mortuary instruments and articles. A pressure differential between chambers causes fluid flow therebetween, thus flowing fluid through internal passages of instrument extending between the chambers.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: June 29, 2010
    Assignee: American Sterilizer Company
    Inventors: Jeffrey R. Horacek, Christopher A. Jethrow
  • Publication number: 20100040521
    Abstract: An apparatus for deactivating medical instruments and devices comprised of a deactivation chamber movable between a loading position and a deactivation position. A circulation system is provided to circulate a deactivating fluid through the deactivation chamber. The circulation system is connectable to the deactivation chamber when the deactivation chamber is in the deactivation position.
    Type: Application
    Filed: October 19, 2009
    Publication date: February 18, 2010
    Inventors: Jeffrey R. Horacek, Donald A. Sargent, Alan M. Solomon, John J. Mayer, Christopher A. Jethrow, Karl Ludwig, Jude A. Kral
  • Patent number: 7625534
    Abstract: An apparatus for deactivating medical instruments and devices comprised of a deactivation chamber movable between a loading position and a deactivation position. A circulation system is provided to circulate a deactivating fluid through the deactivation chamber. The circulation system is connectable to the deactivation chamber when the deactivation chamber is in the deactivation position.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: December 1, 2009
    Assignee: American Sterilizer Company
    Inventors: Jeffrey R. Horacek, Donald A. Sargent, Alan M. Solomon, John J. Mayer, Christopher A. Jethrow, Karl Ludwig, Jude A. Kral
  • Patent number: 7608228
    Abstract: An apparatus for deactivating medical instruments and devices. The apparatus has a housing structure and a drawer disposed in the housing structure. The drawer has a recess formed therein and a planar surface formed about the periphery of the recess. The recess is dimensioned to receive medical instruments and devices to be microbially deactivated. A circulation system is provided within the housing structure to circulate a microbial deactivation fluid through the recess. A drawer-sealing assembly is located in the housing structure. The drawer-sealing assembly is operable to engage the drawer assembly and fluidly seal the recess to create a decontamination chamber.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: October 27, 2009
    Assignee: American Sterilizer Company
    Inventors: Jeffrey R. Horacek, Donald A. Sargent, Alan M. Solomon, John J. Mayer, Christopher A. Jethrow, Karl Ludwig
  • Publication number: 20090178981
    Abstract: A processor for decontaminating devices is comprised of a chamber for holding devices and a circulation system to circulate a microbial decontamination fluid through the chamber. A water filtration system filters water used in the processor. The water filtration system has a water line connectable to a source of pressurized water. A water decontamination system fluidly communicates with the source of water and the processor. The water decontamination system has a water circulation path and a tank located within the water circulation path. Means are provided to circulate water along the water circulation path through the tank. A gas circulation path fluidly communicates with the tank. Conveying means is provided to convey gas along the gas circulation path through the tank. An ozone producing device is located along the gas circulation path to introduce ozone into gas flowing along the gas circulation path and through the tank.
    Type: Application
    Filed: January 16, 2008
    Publication date: July 16, 2009
    Inventors: Michael A. Centanni, Kathleen A. Fix, Christopher A. Jethrow
  • Patent number: 7476368
    Abstract: A system for microbially deactivating items. The system includes a circulation system for circulating a microbial decontamination fluid through a deactivation chamber that forms a part of the circulation system. A container for holding items to be deactivated is provided. The container has a sealable cavity in which the items to be deactivated may be placed, and at least one valve element that is movable between an open and a closed position to regulate fluid flow into the cavity. An actuator in the deactivation chamber is operable to move the valve element to an open position when the container is disposed within the deactivation chamber, wherein the cavity within the container is in fluid communication with the circulation system when the valve element is in the open position.
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: January 13, 2009
    Assignee: American Sterilizer Company
    Inventors: Donald A. Sargent, Christopher A. Jethrow, Jude A. Kral, Karl F. Ludwig, Victor Selig
  • Patent number: 7422729
    Abstract: A reprocessor for microbially deactivating items. The reprocessor has a circulation system for circulating a microbial deactivation fluid through a deactivation chamber that forms part of the circulation system. A container is provided for insertion into the deactivation chamber for holding items to be microbially deactivated. The container includes a tray and a lid. The tray and lid have interlocking, integrally formed, rigid seal elements formed thereon to form a seal between the tray and the lid.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: September 9, 2008
    Assignee: American Sterilizer Company
    Inventors: Victor Selig, Karl F. Ludwig, Jude A. Kral, Christopher A. Jethrow, Jeffrey Horacek, Donald A. Sargent
  • Publication number: 20080187465
    Abstract: A multi-chamber instrument container for microbially deactivating medical, dental, veterinary and mortuary instruments and articles. A pressure differential between chambers causes fluid flow therebetween, thus flowing fluid through internal passages of instrument extending between the chambers.
    Type: Application
    Filed: February 5, 2007
    Publication date: August 7, 2008
    Inventors: Jeffrey R. Horacek, Christopher A. Jethrow
  • Patent number: 7314966
    Abstract: A method of microbially deactivating items and storing the same, comprising the steps of: a) placing items within a cavity in a sealable container having fluid access ports therein, the fluid access ports having a normally closed position and being moveable to an open position; b) placing the container having items to be microbially deactivated in the cavity into a reprocessor having a circulation system for circulating a microbial deactivation fluid during a deactivation cycle, wherein the fluid access ports in the container are moved to the open position to be in fluid communication with the circulation systems by contact with the reprocessor; c) circulating the microbial deactivation fluid through the cavity of the container; and d) removing the container from the reprocessor following a deactivation cycle, wherein removal of the container from the reprocessor causes the fluid access ports to assume the normally closed position.
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: January 1, 2008
    Assignee: Steris Inc.
    Inventors: Victor Selig, Karl F. Ludwig, Jude A. Kral, Christopher A. Jethrow, Jeffrey Horacek, Donald A. Sargent
  • Publication number: 20070212278
    Abstract: A container for holding items to be microbially deactivated in a reprocessor. The container is comprised of a generally cup shaped tray having a bottom wall and a continuous side wall extending to one side from the periphery of the bottom wall. The bottom wall and the side wall defining a cavity for receiving instruments and items to be microbially deactivated. A lid is attachable to the tray. The lid is dimensioned to cover the cavity. An inlet port is formed in the tray to communicate with the cavity. An outlet port is formed in the tray to communicate with the cavity. A barrier element is disposed within one of the ports. The barrier element controls flow through the one port. The barrier element is comprised of a material that is permeable to gas and water vapor but impermeable to liquid, bacteria and organisms.
    Type: Application
    Filed: March 5, 2007
    Publication date: September 13, 2007
    Inventors: Christopher Jethrow, Karl Ludwig, Alan Solomon, Phillip Mallory, Jeffrey Horacek, Jude Kral
  • Publication number: 20070212283
    Abstract: An apparatus for deactivating medical instruments and devices. The apparatus has a housing structure and a drawer disposed in the housing structure. The drawer has a recess formed therein and a planar surface formed about the periphery of the recess. The recess is dimensioned to receive medical instruments and devices to be microbially deactivated. A circulation system is provided within the housing structure to circulate a microbial deactivation fluid through the recess. A drawer-sealing assembly is located in the housing structure. The drawer-sealing assembly is operable to engage the drawer assembly and fluidly seal the recess to create a decontamination chamber.
    Type: Application
    Filed: March 5, 2007
    Publication date: September 13, 2007
    Inventors: Jeffrey Horacek, Donald Sargent, Alan Solomon, John Mayer, Christopher Jethrow, Karl Ludwig
  • Publication number: 20070212280
    Abstract: An apparatus for deactivating medical instruments and devices comprised of a deactivation chamber movable between a loading position and a deactivation position. A circulation system is provided to circulate a deactivating fluid through the deactivation chamber. The circulation system is connectable to the deactivation chamber when the deactivation chamber is in the deactivation position.
    Type: Application
    Filed: March 5, 2007
    Publication date: September 13, 2007
    Inventors: Jeffrey Horacek, Donald Sargent, Alan Solomon, John Mayer, Christopher Jethrow, Karl Ludwig, Jude Kral
  • Publication number: 20070212279
    Abstract: An apparatus for deactivating medical instruments and devices having a circulation system for circulating fluids through the apparatus and a chemical delivery assembly for generating a deactivation fluid to circulate through the circulation system. The chemical delivery assembly is comprised of a chemistry housing that has a first receptacle and a second receptacle formed therein. A first fluid inlet communicates with the first receptacle. A second fluid inlet communicates with the second receptacle. A first fluid outlet is disposed near an upper portion of the first receptacle to establish a predetermined fluid level in the first receptacle when fluid is introduced into the first receptacle. A second fluid outlet is disposed near an upper portion of the second receptacle to establish a predetermined fluid level in the second receptacle when fluid is introduced into the second receptacle. A lid is attached to the chemistry housing. The lid is movable between a first position and a second position.
    Type: Application
    Filed: March 5, 2007
    Publication date: September 13, 2007
    Inventors: John Mayer, Christopher Jethrow, Karl Ludwig
  • Publication number: 20070212252
    Abstract: A method of generating a microbial deactivation fluid to circulate through an apparatus that has a decontamination chamber for holding medical instruments and devices, comprising the steps of: (a) providing a first compartment and a second compartment in the circulation system; (b) providing a chemical reagent in the first compartment and a builder composition in the second compartment; (c) causing a fluid to flow through the second compartment to mix with the builder composition to create an alkaline fluid; (d) when the alkaline fluid has reached a predetermined pH level, causing the alkaline fluid to flow through the first compartment to mix with the chemical reagent to dissolve the chemical reagent to generate a microbial deactivation fluid; and (e) continuing steps (c) and (d) to continue the generation of the microbial deactivation fluid.
    Type: Application
    Filed: March 5, 2007
    Publication date: September 13, 2007
    Inventors: Christopher Jethrow, John Mayer, Dana Hall, Donald Rosenhamer