Patents Assigned to Apex Biotechnology Corp.
  • Patent number: 9880128
    Abstract: The present disclosure relates to an electrode strip, a sensor strip, a system thereof and a manufacturing method thereof. The sensor strip includes a first reactive film, a second reactive film and a vent hole. The first reactive film includes a substrate, a first electrode layer and a first insulation layer. The first end of the first insulation layer is concaved to a first depth to form a first reactive area. The second reactive film includes a second electrode layer and a second insulation layer. The first end of the second insulation layer is concaved to a second depth to form a second reactive area. The vent hole penetrates the second insulation layer, the second electrode layer and the first insulation layer so as to connect the first reactive area and the second reactive area.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: January 30, 2018
    Assignee: Apex Biotechnology Corp.
    Inventors: Ying-Che Huang, Lan-Hsiang Huang, Ching-Yuan Chu
  • Patent number: 9823213
    Abstract: An electrochemical test strip, measurement system and method for determining sample content in the reactive region of the electrochemical test strip are presented. The electrochemical test strip comprises an insulator substrate which includes an electrode system disposed thereon. The electrode system includes at least one pair of electrodes. A lower plate which includes a reactive region and a sampling cell is disposed on the insulator substrate. An upper plate is disposed on the lower plate, wherein the at least one pair of electrodes is designed as an electrical loop adjacent to the sampling port.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: November 21, 2017
    Assignee: Apex Biotechnology Corp.
    Inventors: Ching Yuan Chu, Chun Ming Cheng, Po Min Wang, Lee Teng Yi Wu
  • Patent number: 9719955
    Abstract: A hematocrit (HCT) measurement system and measurement method using the same are disclosed. The hematocrit (HCT) measurement system comprises a test strip and a measurement apparatus comprising: a connector transmitting an initial signal generated from a blood sample to the measurement apparatus, a capacitive reactance adjustor disposed between the test strip and the measurement apparatus, a calculation unit for calculating concentration and HCT value of the blood sample, an A/D convertor transforming the corresponding initial signal to a digital signal, and a signal processor processing the digital reacted signal and showing measured results on a display, wherein the HCT value is calculated by voltage partition to prevent the signal waveform voltage being saturated or cutoff, thereby resulting in measured signal distortion.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: August 1, 2017
    Assignee: Apex Biotechnology Corp.
    Inventors: Chu-Ming Cheng, Lee Teng Yi Wu, Ching-Yuan Chu
  • Patent number: 9068967
    Abstract: Devices and methods for measuring prothrombin time (PT) and hematocrit (HCT) by analyzing the change in reactance in a sample are presented. A diagnostic device for measuring HCT and PT of a fluid includes a relative electrode-type sensor device and a blood test card assembly including one or more pairs of electrodes, wherein alternating current (AC) provided by the sensor device is used to measure and calculate HCT and PT of blood test using the reactance analysis.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: June 30, 2015
    Assignee: Apex Biotechnology Corp.
    Inventors: Sz-Hau Chen, Yueh-Hui Lin, Ching-Yuan Chu, Chu-Ming Cheng, Guan-Ting Chen, Yi-Chen Lu, Thomas Y. S. Shen
  • Patent number: 9005415
    Abstract: The present disclosure relates to an electrode strip, a sensor strip, a system thereof and a manufacturing method thereof. The sensor strip includes a first reactive film, a second reactive film and a vent hole. The first reactive film includes a substrate, a first electrode layer and a first insulation layer. The first end of the first insulation layer is concaved to a first depth to form a first reactive area. The second reactive film includes a second electrode layer and a second insulation layer. The first end of the second insulation layer is concaved to a second depth to form a second reactive area. The vent hole penetrates the second insulation layer, the second electrode layer and the first insulation layer so as to connect the first reactive area and the second reactive area.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: April 14, 2015
    Assignee: Apex Biotechnology Corp.
    Inventors: Ying-Che Huang, Lan-Hsiang Huang, Ching-Yuan Chu
  • Patent number: 9000770
    Abstract: Electrochemical blood test strips and diagnosis systems are presented. An electrochemical blood test strip for measuring HCT% and prothrombin time includes an electrode plate having electrode circuit patterns on an insulator substrate; a separation plate disposed on the electrode plate defining a blood sample region, a channel and three reaction regions; and a cover plate disposed on the separation plate having a blood sample inlet and vents. In measuring, one of the three reaction regions is used for detecting hemoglobin and hematocrit and the other two reaction regions are biochemical reaction regions and used for detecting prothrombin time.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: April 7, 2015
    Assignee: Apex Biotechnology Corp.
    Inventors: Sz-Hau Chen, Yi-Chen Lu, Chun-Yi Yen
  • Publication number: 20140367261
    Abstract: Devices and methods for measuring prothrombin time (PT) and hematocrit (HCT) by analyzing the change in reactance in a sample are presented. A diagnostic device for measuring HCT and PT of a fluid includes a relative electrode-type sensor device and a blood test card assembly including one or more pairs of electrodes, wherein alternating current (AC) provided by the sensor device is used to measure and calculate HCT and PT of blood test using the reactance analysis.
    Type: Application
    Filed: July 25, 2014
    Publication date: December 18, 2014
    Applicant: Apex Biotechnology Corp.
    Inventors: Sz-Hau Chen, Yueh-Hui Lin, Ching-Yuan Chu, Chu-Ming Cheng, Guan-Ting Chen, Yi-Chen Lu, Thomas Y.S. Shen
  • Patent number: 8828322
    Abstract: Devices and methods for measuring prothrombin time (PT) and hematocrit (HCT) by analyzing the change in reactance in a sample are presented. A diagnostic device for measuring HCT and PT of a fluid includes a relative electrode-type sensor device and a blood test card assembly including one or more pairs of electrodes, wherein alternating current (AC) provided by the sensor device is used to measure and calculate HCT and PT of blood test using the reactance analysis.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: September 9, 2014
    Assignee: Apex Biotechnology Corp.
    Inventors: Sz-Hau Chen, Yueh-Hui Lin, Ching-Yuan Chu, Chu-Ming Cheng, Guan-Ting Chen, Yi-Chen Lu, Thomas Y.S. Shen
  • Patent number: 8802036
    Abstract: A reaction cassette for biochemical assay, a biochemical assay device including a first space configured to accommodate liquid, having a first opening and rounding edges, a direction of the first opening being directed upward. A second space includes a second opening, a direction of the second opening being perpendicular to the direction of the first opening, wherein the first space and the second space are disposed such that when the reaction cassette is rotated allowing the liquid to drain into the second space. A third space is located below the first space and having a third opening, a direction of the third opening being upward such that when the reaction cassette is reversibly rotated allowing the liquid to drain into the third space, wherein an array of bumps is disposed in the third space to create turbulence of the liquid. An inner partition wall, connected with the second opening and the third opening, acts as a liquid flow channel between the second space and the third space.
    Type: Grant
    Filed: November 4, 2012
    Date of Patent: August 12, 2014
    Assignee: Apex Biotechnology Corp.
    Inventors: Sz-Hau Chen, Yueh-Hui Lin, Chun-Ju Chen
  • Patent number: 8728407
    Abstract: A holding device disposed in a bio-detecting instrument for holding a test strip is provided, wherein the holding device comprises a first casing, a second casing, an ejecting member, and an elastic member. The second casing is assembled with the first casing to form an accommodating space, wherein the sensing terminals are extended into the accommodating space. The ejecting member comprises a push rod configured to be reciprocated in the accommodating space. The elastic member is configured to be compressed by driving the ejecting member to an ejecting position, where the push rod enters the accommodating space and is adapted to push the test strip outward without being contact with the sensing terminals, and the elastic member is configured to be released by drawing the push rod back from the accommodating space to an initial position.
    Type: Grant
    Filed: September 15, 2012
    Date of Patent: May 20, 2014
    Assignee: Apex Biotechnology Corp.
    Inventors: Ming-Chang Hsu, Ming-Hsin Chuang, Mon-Wen Yang, Thomas Y. S. Shen
  • Patent number: 8617490
    Abstract: A reaction cassette for biochemical assay, a biochemical assay device including the reaction cassette, and a biochemical assay method performed by using the biochemical assay device are provided. The reaction cassette includes a first space, a second space, a third space, and an inner wall. The first space is configured to accommodate liquid and includes a first opening facing upward. The second space includes a second opening whose direction is perpendicular to the direction of the first opening. The first space and the second space are disposed such that when the reaction cassette is rotated, liquid in the first space can flow into the second space. The third space is located under the first space and includes a third opening whose direction is the same as the direction of the first opening. The inner wall connects the second opening and the third opening, which serves as a liquid flow channel between the second space and the third space.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: December 31, 2013
    Assignee: Apex Biotechnology Corp.
    Inventors: Kai Tsung Teng, Yueh-Hui Lin, Thomas Y. S. Shen
  • Patent number: 8613850
    Abstract: A system for electrochemical quantitative analysis is provided. The system includes a measuring apparatus having a plurality of analysis modes. Each of the analysis modes is for quantitatively analyzing different biochemical substance. The system further includes a plurality of test strips. Each of the test strips has a different identification component for a different analysis mode. When one of the plurality of test strips is selected to electronically connect to the measuring apparatus, the measuring apparatus executes one of the plurality of analysis modes according to the identification component of the selected test strip to quantitatively analyze a corresponding biochemical substance.
    Type: Grant
    Filed: September 21, 2008
    Date of Patent: December 24, 2013
    Assignee: Apex Biotechnology Corp.
    Inventors: Yueh-Hui Lin, Guan-Ting Chen, Te-Ho Chen, Ching-Yuan Chu, Jui-Ping Wang, Cheng Allen Chang, Thomas Y. S. Shen
  • Patent number: 8524168
    Abstract: A device for holding a medical test strip is provided. The device comprises a receiving casing having an opening for receiving the medical test strip and a first stopping portion protruding from an upper surface of the receiving casing; an ejection base having a cover and a pusher beneath the cover, the cover downwardly extending a second stopping portion for sliding against the upper surface of the receiving casing; and an elastic member located between the receiving casing and the ejection base. When the pusher moves toward the opening by an external force to eject the test strip from the opening, the elastic member is compressed and the second stopping portion slides away from the first stopping portion. When the external force disappears, the second stopping portion slides toward the first stopping portion by a resilient force of the elastic member until the first stopping portion and the second stopping portion are engaged.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: September 3, 2013
    Assignee: Apex Biotechnology Corp.
    Inventors: Ming-Chang Hsu, Mon Wen Yang, Ming-Hsin Chuang, Thomas Y. S. Shen
  • Patent number: 8409424
    Abstract: An electrochemical test strip, an electrochemical test system, and a measurement method using the same are provided. The electrochemical test strip includes an insulating substrate, an electrode system formed on the insulating substrate, and an insulating layer formed on the electrode system. The electrode system includes a set of measurement electrodes, a set of identifying electrodes, and a resistive path having a predetermined resistance value. The set of identifying electrodes is made of metal material, and the resistive path is made of non-metal material. The set of measurement electrodes includes a reference electrode and a working electrode insulated from each other, and the set of identifying electrodes includes a first identifying electrode and a second identifying electrode connected with each other through the resistive path.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: April 2, 2013
    Assignee: Apex Biotechnology Corp.
    Inventors: Guan-Ting Chen, Yueh-Hui Lin, Kai-Tsung Teng, Sz-Hau Chen, Thomas Y. S. Shen
  • Patent number: 8382054
    Abstract: A holding device comprises a first accommodation portion, a second accommodation portion, an elastic portion, and an actuating portion. The elastic portion includes a first end contacting the first accommodation portion and a second end contacting the actuating portion. The first accommodation portion includes at least one aperture. The second accommodation portion includes at least one connecting part, which passes through the aperture and connects with the actuating portion. When the actuating portion is pressed toward the first accommodation portion, a space between the first accommodation portion and the second accommodation portion expands.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: February 26, 2013
    Assignee: Apex Biotechnology Corp.
    Inventors: Ming Chang Hsu, Ming Hsin Chuang, Mon Wen Yang, Thomas Y. S. Shen
  • Patent number: 8236154
    Abstract: The present invention provides a surface-modified electrode strip for measuring an electrochemical signal that is synergistically amplified by means of a nano-scaled gold particle layer and a lipid-soluble electron mediator layer. A biosensor comprising the electrode strip is also provided.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: August 7, 2012
    Assignee: Apex Biotechnology Corp.
    Inventors: Sz-Hau Chen, Chih-Sheng Lin, Guan-Tin Chen, Yueh-Hui Lin, Thomas Y. S. Shen
  • Publication number: 20100089775
    Abstract: An electrochemical test strip, an electrochemical test system, and a measurement method using the same are provided. The electrochemical test strip includes an insulating substrate, an electrode system formed on the insulating substrate, and an insulating layer formed on the electrode system. The electrode system includes a set of measurement electrodes, a set of identifying electrodes, and a resistive path having a predetermined resistance value. The set of identifying electrodes is made of metal material, and the resistive path is made of non-metal material. The set of measurement electrodes includes a reference electrode and a working electrode insulated from each other, and the set of identifying electrodes includes a first identifying electrode and a second identifying electrode connected with each other through the resistive path.
    Type: Application
    Filed: December 18, 2009
    Publication date: April 15, 2010
    Applicant: Apex Biotechnology Corp.
    Inventors: Guan-Ting CHEN, Yueh-Hui Lin, Kai-Tsung Teng, Sz-Hau Chen, Thomas Y. S. Shen
  • Patent number: 7655128
    Abstract: An electrochemical test system comprising an electrochemical test strip capable of initiating an instrument, determining if it is inserted into a correct position of the instrument, a sample is injected into a reaction region of the electrochemical test strip, and the sample covers the reaction region properly. The electrochemical test strip includes an insulating substrate, an electrode system, and an insulating layer. The electrode system includes a resistor, a set of measurement electrodes which includes a reference electrode and a working electrode insulated from each other, and a set of identifying electrodes which includes first and second identifying electrodes connected through the resistor. A method for detecting a sample includes the steps of inserting the electrochemical test strip into a measurement instrument, providing the sample in the reaction region, and applying a voltage between the reference electrode and the working electrode, and measuring a current corresponding to the voltage.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: February 2, 2010
    Assignee: Apex Biotechnology Corp.
    Inventors: Yu-Sen Hsu, Ying Che Huang, Thomas Y.S. Shen
  • Publication number: 20090008247
    Abstract: The present invention provides a surface-modified electrode strip for measuring an electrochemical signal that is synergistically amplified by means of a nano-scaled gold particle layer and a lipid-soluble electron mediator layer. A biosensor comprising the electrode strip is also provided.
    Type: Application
    Filed: June 16, 2008
    Publication date: January 8, 2009
    Applicant: Apex Biotechnology Corp.
    Inventors: Sz-Hau Chen, Chih-Sheng Lin, Guan-Tin Chen, Yueh-Hui Lin, Thomas Y.S. Shen
  • Patent number: D664035
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: July 24, 2012
    Assignee: Apex Biotechnology Corp.
    Inventors: Yung-Lung Hu, Thomas Y. S. Shen