Patents by Inventor Mark A. Christensen

Mark A. Christensen 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: 10493262
    Abstract: A fluid control component configured for controlling fluid flow through the hub of a catheter assembly during and after placement into the patient is disclosed. In one embodiment, the fluid control component comprises a body disposed within a cavity of the hub, the body being movable between a first position and a second position, wherein the body does not pierce a valve disposed in the hub when in the first position and wherein the body pierces the valve when in the second position. The body includes a conduit to enable fluid flow through an internal portion of the body when the body is in the second position, and a plurality of longitudinally extending ribs disposed on an exterior surface of the body. The ribs provide at least one fluid flow channel between the valve and an external portion of the body when the body is in the second position.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: December 3, 2019
    Assignee: C. R. Bard, Inc.
    Inventors: Huy N. Tran, Mark A. Christensen, Chad A. Hadley, Jason R. Stats
  • Patent number: 10458059
    Abstract: A basement assembly of a household appliance is provided herein. A basement has a bottom compartment and a top compartment. The bottom compartment is separated from the top compartment and includes a plurality of voids. A plurality of acoustic pads are configured to reduce noise levels produced by the household appliance. Each of the acoustic pads is configured to be received in one of the voids. A cover member is coupled to the basement and is configured to confine the acoustic pads therein.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: October 29, 2019
    Assignee: Whirlpool Corporation
    Inventor: Mark Christensen
  • Patent number: 10443580
    Abstract: An offshore wind turbine generator comprises a tower 1 and a platform 2. The tower 1 is provided with a side door 4 accessed from the platform 2 using a stairway 5 leading to an upper platform 6. The upper platform 6 is formed from the upper surface of a cabinet 7 which houses a diesel backup generator. Both the backup generator and the cabinet 7 are mounted to the tower 1 by bolts, such that the cabinet and backup generator are fully supported by the tower 1. A diesel fuel tank 12 is also mounted to the tower 1 by bolts. The fuel tank supplies diesel fuel to the backup generator.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: October 15, 2019
    Assignee: MHI Vestas Offshore Wind A/S
    Inventors: Morten Frost Hansen, Peter Nordlyng, Mark Ursell-Smith, Kim Christensen, Ken Nakayama
  • Patent number: 10426931
    Abstract: An insertion tool for inserting a catheter into a body of a patient is disclosed. The insertion tool unifies needle insertion, guidewire advancement, and catheter insertion in a single device. In one embodiment, the insertion tool comprises a housing in which at least a portion of the catheter is initially disposed, a hollow needle distally extending from the housing with at least a portion of the catheter pre-disposed over the needle, and a guidewire pre-disposed within the needle. A guidewire advancement assembly is also included for selectively advancing the guidewire distally past a distal end of the needle in preparation for distal advancement of the catheter. In one embodiment a catheter advancement assembly is also included for selectively advancing the catheter into the patient. Each advancement assembly can include a slide or other actuator that enables a user to selectively advance the desired component.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: October 1, 2019
    Assignee: C. R. Bard, Inc.
    Inventors: Daniel B. Blanchard, John W. Hall, Jason R. Stats, Mark A. Christensen
  • Publication number: 20190274722
    Abstract: A valved sheath introducer for venous cannulation, including a valve, sheath, handle and cap. The valve is configured to permit safe introduction and removal of medical instruments through the sheath introducer. The valve may have one or more anchoring members and a thickened central portion through which a slit is formed. The central portion may have one or more concave surfaces and the slit can be angled with respect to the top surface of the valve. The cap is attached to the handle, compressing a portion of the valve therebetween.
    Type: Application
    Filed: May 24, 2019
    Publication date: September 12, 2019
    Inventors: Mark A. Christensen, Walter H. Shang, Steven M. Smith, James D. Beal
  • Patent number: 10384917
    Abstract: A power pack [2] is located within a housing [3] on the platform [1] of a wind turbine generator tower. The power pack [2] is supplied from a fuel tank [4]. With the door [6] of the housing [3] open, the power pack [2] may be removed for servicing and repair by using a U-shaped support structure [8] to which an electric motor [11] is mounted. Two support rails [12] permanently located within the housing [3] support the housed power pack [2]. A chain [15] attached to the power pack [2] is driven by the motor [11] to remove the power pack [2] from the housing [3] by sliding the power pack [2]along the support structure [8]. A pulley arrangement reduces the necessary torque. After removing the power pack [2] from the housing [3], a crane [7] is used to lift the power pack [2] from the platform [1] and to lower it down to a sea vessel [17].
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: August 20, 2019
    Assignee: MHI Vestas Offshore Wind A/S
    Inventors: Morten Frost Hansen, Peter Nordlyng, Mark Ursell-Smith, Kim Christensen, Ken Nakayama
  • Patent number: 10307182
    Abstract: A valved sheath introducer for venous cannulation, including a valve, sheath, handle and cap. The valve is configured to permit safe introduction and removal of medical instruments through the sheath introducer. The valve may have one or more anchoring members and a thickened central portion through which a slit is formed. The central portion may have one or more concave surfaces and the slit can be angled with respect to the top surface of the valve. The cap is attached to the handle, compressing a portion of the valve therebetween.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: June 4, 2019
    Assignee: C. R. Bard, Inc.
    Inventors: Mark A. Christensen, Steven M. Smith, Walter H. Shang, James D. Beal
  • Publication number: 20190159446
    Abstract: Solutions and methods for forming an exogenous flexible film on a plant and plants including the exogenous flexible film. The solutions include a solvent, a film forming matrix component, a hydrophobic barrier component, a plasticizing component, and a film enhancing component. The methods include spraying the solution on the plant. The methods also include evaporating at least a fraction of the solvent from the solution to form the exogenous flexible film. The plant includes fruit, and the spraying includes spraying at least 45 days prior to harvesting the fruit. The plants include an exogenous flexible film formed from the solutions and/or by the methods.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 30, 2019
    Inventors: Luis Fernando Hernandez Aguilar, Brian James Tipton, Sean Calvin Musser, John Mark Christensen
  • Publication number: 20190071817
    Abstract: A basement assembly of a household appliance is provided herein. A basement has a bottom compartment and a top compartment. The bottom compartment is separated from the top compartment and includes a plurality of voids. A plurality of acoustic pads are configured to reduce noise levels produced by the household appliance. Each of the acoustic pads is configured to be received in one of the voids. A cover member is coupled to the basement and is configured to confine the acoustic pads therein.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 7, 2019
    Applicant: WHIRLPOOL CORPORATION
    Inventor: Mark Christensen
  • Publication number: 20180304043
    Abstract: A magnetic stylet includes a core element and a distal region. The core element may include a proximal end coupled to a tab, the proximal end having a first diameter, a transition region, and a distal region extending from the transition region to a distal end. The distal region may have a second diameter less than the first diameter. The distal section may include the transition region and the distal region of the core element, a magnetic element, a polymer member, and a closure element. The magnetic element may be positioned distal of the transition region of the core element. The polymer member may be circumferentially disposed about the distal region of the core element, the continuous permanent magnetic element, and at least a portion of the transition region of the core element. The closure element may be an epoxy that forms a rounded end distal of the polymer member.
    Type: Application
    Filed: June 25, 2018
    Publication date: October 25, 2018
    Inventors: Matthew W. Bown, Mark A. Christensen, Guy Rome, Bret Hamatake
  • Publication number: 20180256792
    Abstract: A catheter connector assembly which may be included with a corporeal drainage system, and a method of draining fluid from a bodily cavity. The catheter connector assembly may include a catheter connector and a drainage line connector. The catheter connector may include a connector body with a coupling feature, a deformable sealing element, and a retaining member. The drainage line connector may include a drainage line body first and second hinge clips, and an actuator. The actuator is designed to deform the deformable sealing element when the drainage line connector is coupled to the catheter connector.
    Type: Application
    Filed: March 6, 2018
    Publication date: September 13, 2018
    Inventors: Mark A. Christensen, Steven M. Smith, Jim C. Beasley, Kelly B. Powers
  • Patent number: 10004875
    Abstract: An elongated medical device includes a core element, a polymer member, a closure element, and a permanent magnetic element. The core element may have a distal region including a first region with a diameter greater than a diameter of a second region, the second region distal of the first region and terminating at a core element distal end. The polymer member may be circumferentially disposed about an entire length of the core element and extending distal of the core element distal end. The closure element may be affixed to a distal end of the polymer member. The permanent magnetic element may be disposed along the second region proximal to the core element distal end, and may include a plurality of permanent magnetic elements spaced apart along the second region.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: June 26, 2018
    Assignee: C. R. Bard, Inc.
    Inventors: Matthew W. Bown, Mark A. Christensen, Guy Rome, Bret Hamatake
  • Publication number: 20180071509
    Abstract: A fluid control component configured for controlling fluid flow through the hub of a catheter assembly during and after placement into the patient is disclosed. In one embodiment, the fluid control component comprises a body disposed within a cavity of the hub, the body being movable between a first position and a second position, wherein the body does not pierce a valve disposed in the hub when in the first position and wherein the body pierces the valve when in the second position. The body includes a conduit to enable fluid flow through an internal portion of the body when the body is in the second position, and a plurality of longitudinally extending ribs disposed on an exterior surface of the body. The ribs provide at least one fluid flow channel between the valve and an external portion of the body when the body is in the second position.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 15, 2018
    Inventors: Huy N. Tran, Mark A. Christensen, Chad A. Hadley, Jason R. Stats
  • Patent number: 9913935
    Abstract: A catheter connector assembly which may be included with a corporeal drainage system, and a method of draining fluid from a bodily cavity. The catheter connector assembly may include a catheter connector and a drainage line connector. The catheter connector may include a connector body with a coupling feature, a deformable sealing element, and a retaining member. The drainage line connector may include a drainage line body first and second hinge clips, and an actuator. The actuator is designed to deform the deformable sealing element when the drainage line connector is coupled to the catheter connector.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: March 13, 2018
    Assignee: C. R. Bard, Inc.
    Inventors: Mark A. Christensen, Steven M. Smith, Jim C. Beasley, Kelly B. Powers
  • Publication number: 20180036525
    Abstract: A bi-directional valve assembly, including valves for use in closed-ended catheters or other elongate tubular devices, is disclosed. In one embodiment, a catheter assembly for insertion into a body of a patient is disclosed and comprises an elongate catheter tube including an outer wall that at least partially defines at least one lumen that extends between a proximal end and a closed distal end thereof. The catheter tube includes a valve assembly that in turn includes a linear slit valve defined through the outer wall of a distal segment of the catheter tube, and a deformation region. The deformation region includes a compliant segment disposed in the outer wall of the catheter tube and a thinned portion of the outer wall. The compliant segment and thinned portion of the deformation region cooperate to preferentially deform the outer wall and open the slit valve during aspiration through the catheter tube.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 8, 2018
    Inventors: Jeremy B. Cox, Daniel B. Blanchard, Mark A. Christensen
  • Patent number: 9827411
    Abstract: A bi-directional valve assembly, including valves for use in closed-ended catheters or other elongate tubular devices, is disclosed. In one embodiment, a catheter assembly for insertion into a body of a patient is disclosed and comprises an elongate catheter tube including an outer wall that at least partially defines at least one lumen that extends between a proximal end and a closed distal end thereof. The catheter tube includes a valve assembly that in turn includes a linear slit valve defined through the outer wall of a distal segment of the catheter tube, and a deformation region. The deformation region includes a compliant segment disposed in the outer wall of the catheter tube and a thinned portion of the outer wall. The compliant segment and thinned portion of the deformation region cooperate to preferentially deform the outer wall and open the slit valve during aspiration through the catheter tube.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: November 28, 2017
    Assignee: C. R. Bard, Inc.
    Inventors: Jeremy B. Cox, Daniel B. Blanchard, Mark A. Christensen
  • Publication number: 20160331938
    Abstract: An insertion device for inserting a catheter into a patient's body is disclosed. The insertion device combines needle insertion, guidewire advancement, catheter insertion, and needle shielding in a single device. In one embodiment, the insertion device comprises a housing including a hollow needle distally extending from the housing. At least a portion of the catheter is pre-disposed over the needle such that the catheter is disposed substantially external to the housing. A guidewire is included, as well as an advancement assembly that is configured to selectively advance the distal end of the guidewire out a distal opening of the needle in preparation for distal advancement of the catheter. The advancement assembly is further configured to enable distal catheter advancement before shielding the needle after use. The insertion device is configured to be grasped and used by a single hand of a user during advancement of the guidewire and the catheter.
    Type: Application
    Filed: May 13, 2016
    Publication date: November 17, 2016
    Inventors: Daniel B. Blanchard, Huy Ngoc Tran, Rex A. Ribelin, Thomas S. Russell, Amir Orome, Jordan P. Diamond, Eric W. Lindekugel, Mark A. Christensen, Jay A. Muse
  • Publication number: 20160206791
    Abstract: A catheter connector assembly which may be included with a corporeal drainage system, and a method of draining fluid from a bodily cavity. The catheter connector assembly may include a catheter connector and a drainage line connector. The catheter connector may include a connector body with a coupling feature, a deformable sealing element, and a retaining member. The drainage line connector may include a drainage line body first and second hinge clips, and an actuator. The actuator is designed to deform the deformable sealing element when the drainage line connector is coupled to the catheter connector.
    Type: Application
    Filed: March 25, 2016
    Publication date: July 21, 2016
    Inventors: Mark A. Christensen, Steven M. Smith, Jim C. Beasley, Kelly B. Powers
  • Publication number: 20160201462
    Abstract: A mechanism whereby fluid can be pumped by the addition of mechanical power to a shaft, or conversely, shaft power may be extracted from a fluid by forcing a fluid through the device, or allowing an expansion of fluid to occur, thereby producing power. The mechanism consisting of four basic components: A housing with a cylindrical interior cavity; a vane mounted concentric with the interior cavity, and having a radius such that the end of the vane touches or nearly touches the cylindrical cavity walls as the device rotates; a cylindrical hub that is smaller than the interior cavity diameter, and mounted parallel with the vane, but offset from the vane so that one side of the hub is continuously tangent, or nearly tangent with the interior of the interior housing cavity; a seal that allows the vane to move by translation and rotation relative to the cylindrical hub while preventing fluid movement between one side of the vane and the other.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 14, 2016
    Inventor: John Mark Christensen
  • Patent number: 9295764
    Abstract: A corporeal drainage system and a method of draining fluid from a bodily cavity. The corporeal drainage system includes a connection tube and a fluid receptacle in fluid communication with the connection tube. The fluid receptacle creates a negative pressure in the system by transitioning from a collapsed configuration to an expanded configuration. The system may include an activation member to initiate transitioning of the fluid receptacle.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: March 29, 2016
    Assignee: C. R. Bard, Inc.
    Inventors: Mark A. Christensen, Steven M. Smith, Jim C. Beasley, Kelly B. Powers