Patents by Inventor Steven C. Charlton

Steven C. Charlton 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).

  • Publication number: 20160290950
    Abstract: A blood glucose monitor includes a can, a replaceable sensor cartridge that includes a frame, an upper spring disposed between the frame and the can, a case for housing the can and sealing the frame, a lower spring disposed between the can and the case, and a meter housing for sealing an upper portion of the frame. The can is capable of accepting the replaceable sensor cartridge. The frame of the removable cartridge has at least at least two walls defining a chamber for accepting a plurality of biosensors, and a bottom portion defining an opening and at least one sealing flange. The frame can further include a desiccant material capable of reducing humidity within the frame. The frame may be dimensioned such that an interference fit constrains the plurality of biosensors prior to inserting the frame within a blood glucose monitor.
    Type: Application
    Filed: June 7, 2016
    Publication date: October 6, 2016
    Inventors: Jeffery S. Reynolds, Robert S. Sams, Simin Yao, Eugene Prais, Michael A. Botta, Steven C. Charlton, Mirza Kokic
  • Publication number: 20160274052
    Abstract: According to one embodiment of the present invention, an electrochemical sensor (10) for detecting the concentration of analyte in a fluid test sample is disclosed. The sensor (10) includes a counter electrode having a high-resistance portion for use in detecting whether a predetermined amount of sample has been received by the test sensor.
    Type: Application
    Filed: May 31, 2016
    Publication date: September 22, 2016
    Inventors: Dijia Huang, Steven C. Charlton, Suny J. George, Andrew J. Edelbrock
  • Publication number: 20160195489
    Abstract: In some aspects, a device is provided having a member with a region of enhanced electrochemical activity. In one aspect, a sensor of enhanced electrochemical activity is provided for detecting an analyte concentration level in a bio-fluid sample. The sensor may include a sensor member of a semiconductor material wherein the sensor member has a surface region of enhanced electrochemical activity. In other aspects, the member may be made of semiconducting foam having a surface region of enhanced electrochemical activity. In some embodiments, the region may be thermally-induced. Manufacturing methods and apparatus are also provided, as are numerous other aspects.
    Type: Application
    Filed: March 15, 2016
    Publication date: July 7, 2016
    Inventors: Steven C. Charlton, Serban Peteu, Steve Sun, Yuan Wang
  • Patent number: 9383333
    Abstract: A blood glucose monitor includes a can, a replaceable sensor cartridge that includes a frame, an upper spring disposed between the frame and the can, a case for housing the can and sealing the frame, a lower spring disposed between the can and the case, and a meter housing for sealing an upper portion of the frame. The can is capable of accepting the replaceable sensor cartridge. The frame of the removable cartridge has at least at least two walls defining a chamber for accepting a plurality of biosensors, and a bottom portion defining an opening and at least one sealing flange. The frame can further include a desiccant material capable of reducing humidity within the frame. The frame may be dimensioned such that an interference fit constrains the plurality of biosensors prior to inserting the frame within a blood glucose monitor.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: July 5, 2016
    Assignee: Ascensia Diabetes Care Holdings AG
    Inventors: Jeffery S. Reynolds, Robert S. Sams, Simin Yao, Eugene Prais, Michael A. Botta, Steven C. Charlton, Mirza Kokic
  • Patent number: 9377430
    Abstract: According to one embodiment of the present invention, an electrochemical sensor (10) for detecting the concentration of analyte in a fluid test sample is disclosed. The sensor (10) includes a counter electrode having a high-resistance portion for use in detecting whether a predetermined amount of sample has been received by the test sensor.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: June 28, 2016
    Assignee: Ascensia Diabetes Care Holdings AG
    Inventors: Dijia Huang, Steven C. Charlton, Suny J. George, Andrew J. Edelbrock
  • Patent number: 9376708
    Abstract: A device and system for automatic handling of a sensor strip by a part of meter includes a sensor strip having a first section, a second section, and an intermediate section. The sensor strip includes at least a first opening about a first end thereof and a second opening about a second end thereof. A meter part includes a pair of pivoting catches configured to engage and grasp a sensor strip from a container containing a plurality of sensor strips. The sensor strip may thus be removed from a container for testing without need for manual handling of the strip by a user.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: June 28, 2016
    Assignee: Ascensia Diabetes Care Holdings AG
    Inventor: Steven C. Charlton
  • Patent number: 9309551
    Abstract: In some aspects, a device is provided having a member with a region of enhanced electrochemical activity. In one aspect, a sensor of enhanced electrochemical activity is provided for detecting an analyte concentration level in a bio-fluid sample. The sensor may include a sensor member of a semiconductor material wherein the sensor member has a surface region of enhanced electrochemical activity. In other aspects, the member may be made of semiconducting foam having a surface region of enhanced electrochemical activity. In some embodiments, the region may be thermally-induced. Manufacturing methods and apparatus are also provided, as are numerous other aspects.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: April 12, 2016
    Assignee: ASCENSIA DIABETES CARE HOLDINGS AG
    Inventors: Steven C. Charlton, Serban Peteu, Steve Sun, Yuan Wang
  • Patent number: 9304099
    Abstract: An electrochemical test sensor for detecting the analyte concentration of a fluid test sample includes a base, a dielectric layer, a reagent layer and a lid. The base provides a flow path for the test sample having on its surface a counter electrode and a working electrode adapted to electrically communicate with a detector of electrical current. The dielectric layer forms a dielectric window therethrough. The reagent layer includes an enzyme that is adapted to react with the analyte. The lid is adapted to mate with the base and to assist in forming a capillary space with an opening for the introduction of the test sample thereto. At least a portion of the width of the counter electrode is greater than the width of the working electrode.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: April 5, 2016
    Assignee: Ascensia Diabetes Care Holdings AG
    Inventors: Andrew J. Edelbrock, Steven C. Charlton
  • Publication number: 20160061765
    Abstract: In some aspects, an analyte sensor is provided for detecting an analyte concentration level in a biological fluid sample. The analyte sensor has a base including a top and bottom side, a lid, and an attachment member including one or more retention tabs coupled proximate the top side so that the analyte sensor can be grasped by the sensor's top side. Manufacturing methods and systems adapted to use and dispense the analyte sensors are provided, as are numerous other aspects.
    Type: Application
    Filed: November 6, 2015
    Publication date: March 3, 2016
    Inventor: Steven C. Charlton
  • Publication number: 20160033442
    Abstract: In some aspects, an analyte sensor is provided for detecting an analyte concentration level in a bio-fluid sample. The analyte sensor has a base, a first electrode and a second electrode wherein a thermocouple portion is provided integral with the second electrode thereby enabling on-sensor temperature measurement capability. In some embodiments, two and only two electrical contact engagement portions are provided thereby simplifying electrical contact. Manufacturing methods and systems utilizing the analyte sensors are provided, as are numerous other aspects.
    Type: Application
    Filed: October 13, 2015
    Publication date: February 4, 2016
    Inventors: Hoi-Cheong Steve Sun, John P. Creaven, Mu Wu, Paul M. Ripley, Steven C. Charlton
  • Publication number: 20160025638
    Abstract: The present invention relates to a system, method, and meter for determining the concentration of an analyte in a fluid sample provided on a test strip. The meter (10) may include a body (12), an optical reader (28), and a test strip holder (90). The body (12) has first (14) and second ends (16) and defines a longitudinal axis y extending between the first and second ends (14,16). The optical reader (28) may be coupled to the body (12) and adapted to analyze the analyte on the test strip. The test strip holder (90) may be coupled to the body (12) and include first and second arms (92,94). One of the optical reader (28) or the test strip holder (90) may be movable along the longitudinal axis of the body between a first position, in which the first and second arms (92,94) of the test strip holder (90) overlie the optical reader (28), and a second position, in which the optical reader (28) extends beyond the first and second arms (92,94) of the test strip holder (90).
    Type: Application
    Filed: March 7, 2014
    Publication date: January 28, 2016
    Inventor: Steven C. Charlton
  • Patent number: 9194837
    Abstract: In some aspects, an analyte sensor is provided for detecting an analyte concentration level in a biological fluid sample. The analyte sensor has a base including a top and bottom side, a lid, and an attachment member including one or more retention tabs coupled proximate the top side so that the analyte sensor can be grasped by the sensor's top side. Manufacturing methods and systems adapted to use and dispense the analyte sensors are provided, as are numerous other aspects.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: November 24, 2015
    Assignee: Bayer HealthCare LLC
    Inventor: Steven C. Charlton
  • Patent number: 9188556
    Abstract: An analyte sensor is provided for detecting an analyte concentration level in a bio-fluid sample. The analyte sensor has a base, a first electrode and a second electrode wherein a thermocouple portion is provided integral with the second electrode thereby enabling on-sensor temperature measurement capability. In some embodiments, two and only two electrical contact engagement portions are provided thereby simplifying electrical contact. Manufacturing methods and systems utilizing the analyte sensors are provided, as are numerous other aspects.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: November 17, 2015
    Assignee: BAYER HEALTHCARE LLC
    Inventors: Hoi-Cheong Steve Sun, John P. Creaven, Mu Wu, Paul M. Ripley, Steven C. Charlton
  • Publication number: 20150293055
    Abstract: A test sensor includes a body, a first conductive trace, a second conductive trace, and a third conductive trace. The body includes a first region that has a fluid-receiving area, a second region separate from the first region, and a first temperature sensing interface disposed at or adjacent to the fluid-receiving area. The fluid-receiving area receives a sample. The first trace is disposed on the body, and at least a portion of the first trace is disposed in the first region. The second and third traces are disposed on the body. The third trace extends from the first to the second regions. The third trace is connected to the first trace at the first temperature sensing interface. The third trace includes a different material than the first trace. A first thermocouple is formed at the first temperature sensing interface. The thermocouple provides temperature data to determine an analyte concentration.
    Type: Application
    Filed: June 24, 2015
    Publication date: October 15, 2015
    Inventors: Steve Hoi-Cheong Sun, Swetha Chinnayelka, John P. Creaven, Andrew J. Edelbrock, Matthew B. Holzer, Narasinha C. Parasnis, Jeffrey S. Reynolds, Paul M. Ripley, Steven C. Charlton, Xin Wang, Mu Wu
  • Publication number: 20150275389
    Abstract: Systems and methods for electrochemically oxidizing components of a test-sensor reagent prior to deposition on a test sensor comprise at least a first electrode and a second electrode for contacting the test-sensor reagent. The first electrode and the second electrode may have hollow interior portions for contacting the test-sensor reagent to produce a modified test-sensor reagent having a reduced background current.
    Type: Application
    Filed: June 11, 2015
    Publication date: October 1, 2015
    Inventors: Sung-Kwon Jung, Dijia Huang, Steven C. Charlton
  • Publication number: 20150260677
    Abstract: Systems and methods for electrochemically oxidizing components of a test-sensor reagent prior to deposition on a test sensor comprise at least a first electrode and a second electrode for contacting the test-sensor reagent. The first electrode and the second electrode may have hollow interior portions for contacting the test-sensor reagent to produce a modified test-sensor reagent having a reduced background current.
    Type: Application
    Filed: June 1, 2015
    Publication date: September 17, 2015
    Inventors: Sung-Kwon Jung, Dijia Huang, Steven C. Charlton
  • Patent number: 9134316
    Abstract: A fluid sensor comprises a formed plastic body and a reagent. The body has a top face with an integral first surface. The body also has a bottom face opposed to the first surface and a sidewall that extends from the periphery of the top face. The first surface is adapted to accept a fluid sample. The reagent is disposed on the integral first surface and causes a color change detectable on the bottom face when the reagent reacts with an analyte in the fluid sample.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: September 15, 2015
    Assignee: Bayer HealthCare LLC
    Inventors: Sung-Kwon Jung, Steven C. Charlton, Suny J. George, Andrew J. Dosmann, Karen L. Marfurt
  • Patent number: 9097650
    Abstract: A test sensor includes a body, a first conductive trace, a second conductive trace, and a third conductive trace. The body includes a first region that has a fluid-receiving area, a second region separate from the first region, and a first temperature sensing interface disposed at or adjacent to the fluid-receiving area. The fluid-receiving area receives a sample. The first trace is disposed on the body, and at least a portion of the first trace is disposed in the first region. The second and third traces are disposed on the body. The third trace extends from the first to the second regions. The third trace is connected to the first trace at the first temperature sensing interface. The third trace includes a different material than the first trace. A first thermocouple is formed at the first temperature sensing interface. The thermocouple provides temperature data to determine an analyte concentration.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: August 4, 2015
    Assignee: Bayer HealthCare LLC
    Inventors: Steve Hoi-Cheong Sun, Swetha Chinnayelka, John P. Creaven, Andrew J. Edelbrock, Matthew B. Holzer, Narasinha C. Parasnis, Jeffery S. Reynolds, Paul M. Ripley, Steven C. Charlton, Xin Wang, Mu Wu
  • Patent number: 9097659
    Abstract: The present disclosure relates to an electrochemical test sensor for detecting the concentration of an analyte in a fluid sample. The test sensor includes a working electrode, a counter electrode, and a trigger electrode. A temporary protective layer overlies the trigger electrode and helps to maintain the function of the trigger electrode during test sensor manufacture.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: August 4, 2015
    Assignee: Bayer HealthCare LLC
    Inventors: Andy Edelbrock, Steven C. Charlton
  • Patent number: 9097699
    Abstract: A portable, hand-held glucose testing device includes a housing configured to accommodate a plurality of test sensors in a stacked arrangement and having a wall with an opening defined therein. A plurality of packaged test sensors is stacked in alignment with one another within the housing. Each of the test sensors is packaged within a blister package. The blister package includes a blister package housing and a cover foil overlying a surface of the blister package housing and the test sensor. A drive slide is configured to displace one of the plurality of packaged test sensors out of alignment with other packaged test sensors. A knife mechanism is configured to pierce through the cover foil, and to engage and urge the test sensor to extend through the opening for receiving a sample. A meter contact is configured to engage the test sensor when the test sensor extends through the opening.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: August 4, 2015
    Assignee: Bayer HealthCare LLC
    Inventors: Steven C. Charlton, Allen Brenneman