Patents by Inventor Chi-Heng Chang

Chi-Heng Chang 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: 20230201601
    Abstract: An electrical stimulation method is provided. The electrical stimulation method is applied to an electrical stimulation device. The steps of the electrical stimulation method include obtaining a target energy value; providing an electrical stimulation signal to a target area; calculating a total energy value according to an energy value transmitted from the electrical stimulation signal to the target area; and determining whether the total energy value has reached the target energy value.
    Type: Application
    Filed: November 2, 2022
    Publication date: June 29, 2023
    Applicant: GIMER MEDICAL. Co. LTD.
    Inventors: Chi-Heng CHANG, Jian-Hao PAN
  • Publication number: 20230201568
    Abstract: An electrical stimulation method is provided in the disclosure. The electrical stimulation method is applied to a non-implantable electrical stimulation device, wherein the non-implantable electrical stimulation device includes an electrical stimulator and an electrode assembly. The electrical stimulator is detachably electrically connected to the electrode assembly. The electrical stimulation method includes the following steps. The electrical stimulator provides an electrical stimulation signal. The electrical stimulation signal is transmitted to a target area through the electrode assembly. The total energy value is calculated according to the energy value of the electrical stimulation signal.
    Type: Application
    Filed: November 7, 2022
    Publication date: June 29, 2023
    Applicant: GIMER MEDICAL. Co. LTD.
    Inventors: Chi-Heng CHANG, Jian-Hao PAN
  • Publication number: 20230201595
    Abstract: An electrical stimulation method is provided. The electrical stimulation method is applied to an electrical stimulation device and an external control device. The electrical stimulation method includes the following steps. The predetermined electrical stimulation level that corresponds to the predetermined target energy is obtained by the external control device. The predetermined target energy is one of the target energies in the first target energy set. The external control device selects the target energy upper bound and the target energy lower bound from the first target energy set according to the predetermined electrical stimulation level. The external control device generates a second target energy set according to the target energy upper bound and the target energy lower bound. The electrical stimulation device performs electrical stimulation of the target area of a target object according to the second target energy set.
    Type: Application
    Filed: November 7, 2022
    Publication date: June 29, 2023
    Applicant: GIMER MEDICAL. Co. LTD.
    Inventors: Chi-Heng CHANG, Jian-Hao PAN, Mei-Ching WANG, Wei-Tso LIN, Chan-Yi CHENG
  • Publication number: 20220248991
    Abstract: An implantable inspecting device for inspecting an analyte in a liquid is provided, including a hollow carrier, a light source, a first polarizing member, a second polarizing member, and a sensor. The hollow carrier includes an accommodating space and at least one cavity portion communicated with the accommodating space. The light source, the first polarizing member, the second polarizing member, and the sensor are disposed in the accommodating space. The light from the light source passes through the first polarizing member, the liquid, and the second polarizing member to reach the sensor.
    Type: Application
    Filed: August 9, 2019
    Publication date: August 11, 2022
    Applicant: GIMER MEDICAL. Co. LTD.
    Inventors: Chi-Heng CHANG, Mei-Ching WANG
  • Publication number: 20210268283
    Abstract: An electrical stimulation device is provided. The electrical stimulation device includes a power management circuit and an electrical stimulation generation circuit. The power management circuit generates a first voltage and a second voltage to power the electrical stimulation generation circuit. The electrical stimulation generation circuit includes a working-electrode contact and a reference-electrode contact. The electrical stimulation generation circuit generates a first electrical signal at the working-electrode contact and further generates a second electrical signal at the reference-electrode contact. The first electrical signal comprises a plurality of first alternating-current (AC) pulses configuring to for electrically stimulate a target region of a target object.
    Type: Application
    Filed: May 17, 2021
    Publication date: September 2, 2021
    Applicant: GIMER MEDICAL. Co. LTD.
    Inventors: Chi-Heng CHANG, Jian-Hao PAN
  • Patent number: 11083893
    Abstract: An electrical stimulation device is provided. The electrical stimulation device includes a power management circuit and an electrical stimulation generation circuit. The power management circuit generates a first voltage and a second voltage to power the electrical stimulation generation circuit. The electrical stimulation generation circuit includes a working-electrode contact and a reference-electrode contact. The electrical stimulation generation circuit generates a first electrical signal at the working-electrode contact and further generates a second electrical signal at the reference-electrode contact. The first electrical signal comprises a plurality of first alternating-current (AC) pulses configuring to for electrically stimulate a target region of a target object.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: August 10, 2021
    Assignee: GIMER MEDICAL. CO. LTD.
    Inventors: Chi-Heng Chang, Jian-Hao Pan
  • Patent number: 10765868
    Abstract: The present application discloses am electrical stimulation device for electrically stimulating at least one target zone of an organism. The electrical stimulation device comprises a control unit and an electrical stimulation unit. The electrical stimulation unit includes a frequency synthesizer, an amplifier, a variable resistor, at least one first electrode and at least one second electrode. The frequency synthesizer is coupled to the control unit and generates a frequency signal. The amplifier is coupled to the frequency synthesizer. The variable resistor comprises a resistance and is coupled to the control unit and the amplifier. The first electrode and the second electrode are coupled to the amplifier. The amplifier outputs an electrical stimulation signal according to the frequency signal of the frequency synthesizer and the resistance of the variable resistor to impel the first electrode and the second electrode to generate an electric field.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: September 8, 2020
    Assignee: GIMER MEDICAL CO., LTD
    Inventors: Chi-Heng Chang, Jian-Hao Pan
  • Patent number: 10639476
    Abstract: An electronic stimulation device is adapted for electrically stimulating a target zone of an organism. The electronic stimulation device comprises at least one electronic stimulation unit. The electronic stimulation unit includes at least one first electrode and at least one second electrode. The electronic stimulation unit receives an electrical stimulation signal to impel the first electrode and the second electrode to generate an electric field. The range of the electric field covers the target zone, and the electric field strength ranges from 100 V/m to 1000 V/m. The electronic stimulation unit comprises a plurality of subunits and each subunit comprises at least one first electrode and at least one second electrode. An electronic stimulation system and the manufacturing method thereof are also provided.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: May 5, 2020
    Assignee: GIMER MEDICAL CO., LTD.
    Inventors: Chi-Heng Chang, Mei-Ching Wang
  • Patent number: 10632310
    Abstract: An electronic stimulation device is adapted for electrically stimulating a target zone of an organism. The electronic stimulation device comprises at least one electronic stimulation unit. The electronic stimulation unit includes at least one first electrode and at least one second electrode. The electronic stimulation unit receives an electrical stimulation signal to impel the first electrode and the second electrode to generate an electric field. The range of the electric field covers the target zone, and the electric field strength ranges from 100 V/m to 1000 V/m. The target zone is selected from the group consisting of a dorsal root and a dorsal root entry zone of a spinal cord, and the electronic stimulation unit is configured to be disposed in an anatomical space of the organism, and said anatomical space is selected from the group consisting of a spinal canal, a lateral recess and an epidural space.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: April 28, 2020
    Assignee: GIMER MEDICAL CO., LTD.
    Inventor: Chi-Heng Chang
  • Patent number: 10398896
    Abstract: The desensitizing device contains an electrical stimulation member optionally configured on a support member. The electrical stimulation member contains a control circuit and at least two electrodes. The control circuit generates a stimulating current to the electrodes. By configuring the electrodes contacted with the skin, the stimulating signal produced by the control circuit is conducted to the electrodes and provides a subcutaneous nerve stimulation through the skin. The subcutaneous nerve is as such temporarily numbed and desensitized.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: September 3, 2019
    Assignee: GIMER MEDICAL CO., LTD.
    Inventors: Wei-Tso Lin, Chen-Tun Wu, Chan-Yi Cheng, Chi-Heng Chang
  • Patent number: 10335594
    Abstract: The desensitizing device contains an electrical stimulation member optionally configured on a support member. The electrical stimulation member contains a control circuit and at least two electrodes. The control circuit generates a stimulating current to the electrodes. By configuring the electrodes contacted with the skin, the stimulating signal produced by the control circuit is conducted to the electrodes and provides a subcutaneous nerve stimulation through the skin. The subcutaneous nerve is as such temporarily numbed and desensitized.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: July 2, 2019
    Assignee: GIMER MEDICAL CO., LTD.
    Inventors: Wei-Tso Lin, Chen-Tun Wu, Chan-Yi Cheng, Chi-Heng Chang
  • Publication number: 20190060651
    Abstract: An electrical stimulation device is provided. The electrical stimulation device includes a power management circuit and an electrical stimulation generation circuit. The power management circuit generates a first voltage and a second voltage to power the electrical stimulation generation circuit. The electrical stimulation generation circuit includes a working-electrode contact and a reference-electrode contact. The electrical stimulation generation circuit generates a first electrical signal at the working-electrode contact and further generates a second electrical signal at the reference-electrode contact. The first electrical signal comprises a plurality of first alternating-current (AC) pulses configuring to for electrically stimulate a target region of a target object.
    Type: Application
    Filed: August 21, 2018
    Publication date: February 28, 2019
    Applicant: GIMER MEDICAL. Co. LTD.
    Inventors: Chi-Heng CHANG, Jian-Hao PAN
  • Patent number: 10086201
    Abstract: An electronic stimulation device is adapted for electrically stimulating a target zone of an organism with relative low pain sensations without generating relative much sensations of paresthesia. The electronic stimulation device comprises at least one electronic stimulation unit. The electronic stimulation unit includes at least one first electrode and at least one second electrode. The electronic stimulation unit receives a high-frequency electrical stimulation signal to impel the first electrode and the second electrode to generate an electric field. The range of the electric field covers the target zone, and the electric field strength ranges from 100 V/m to 1000 V/m. The frequency of the high-frequency electrical stimulation signal ranges from 200 KHz to 1000 KHz.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 2, 2018
    Assignee: GIMER MEDICAL CO., LTD.
    Inventors: Chi-Heng Chang, Wei-Tso Lin, Chan-Yi Cheng, Chii-Wann Lin, Yeong-Ray Wen
  • Patent number: 10070535
    Abstract: A waterproof structure for an implanted electronic device is capable of preventing the liquid or moist from entering and damaging the circuit board of the electronic device. The waterproof structure includes a shell, a first material layer, a second material layer, and a third material layer. The first material layer covers at least a part of the implanted electronic device. The second material layer covers the first material layer. The internal space of the shell is configured for accommodating the implanted electronic device. The shell is made of PEEK (polyether ether ketone). The third material layer is disposed between the second material layer and the shell.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: September 4, 2018
    Assignee: GIMER MEDICAL CO., LTD.
    Inventors: Chi-Heng Chang, Chan-Yi Cheng, Chen-Tun Wu
  • Publication number: 20180126163
    Abstract: An electronic stimulation device is adapted for electrically stimulating a target zone of an organism. The electronic stimulation device comprises at least one electronic stimulation unit. The electronic stimulation unit includes at least one first electrode and at least one second electrode. The electronic stimulation unit receives an electrical stimulation signal to impel the first electrode and the second electrode to generate an electric field. The range of the electric field covers the target zone, and the electric field strength ranges from 100 V/m to 1000 V/m. The electronic stimulation unit comprises a plurality of subunits and each subunit comprises at least one first electrode and at least one second electrode. An electronic stimulation system and the manufacturing method thereof are also provided.
    Type: Application
    Filed: January 4, 2018
    Publication date: May 10, 2018
    Inventors: Chi-Heng CHANG, Mei-Ching WANG
  • Publication number: 20180126164
    Abstract: An electronic stimulation device is adapted for electrically stimulating a target zone of an organism. The electronic stimulation device comprises at least one electronic stimulation unit. The electronic stimulation unit includes at least one first electrode and at least one second electrode. The electronic stimulation unit receives an electrical stimulation signal to impel the first electrode and the second electrode to generate an electric field. The range of the electric field covers the target zone, and the electric field strength ranges from 100 V/m to 1000 V/m. The target zone is selected from the group consisting of a dorsal root and a dorsal root entry zone of a spinal cord, and the electronic stimulation unit is configured to be disposed in an anatomical space of the organism, and said anatomical space is selected from the group consisting of a spinal canal, a lateral recess and an epidural space.
    Type: Application
    Filed: January 10, 2018
    Publication date: May 10, 2018
    Inventor: Chi-Heng CHANG
  • Publication number: 20180042120
    Abstract: A waterproof structure for an implanted electronic device is capable of preventing the liquid or moist from entering and damaging the circuit board of the electronic device. The waterproof structure includes a shell, a first material layer, a second material layer, and a third material layer. The first material layer covers at least a part of the implanted electronic device. The second material layer covers the first material layer. The internal space of the shell is configured for accommodating the implanted electronic device. The shell is made of PEEK (polyether ether ketone). The third material layer is disposed between the second material layer and the shell.
    Type: Application
    Filed: October 19, 2017
    Publication date: February 8, 2018
    Inventors: Chi-Heng CHANG, Chan-Yi CHENG, Chen-Tun WU
  • Patent number: 9848497
    Abstract: A waterproof structure for an implanted electronic device is capable of preventing the liquid or moist from entering and damaging the circuit board of the electronic device. The waterproof structure includes a shell, a first material layer, a second material layer, and a third material layer. The first material layer covers at least a part of the implanted electronic device. The second material layer covers the first material layer. The internal space of the shell is configured for accommodating the implanted electronic device. The shell is made of PEEK (polyether ether ketone). The third material layer is disposed between the second material layer and the shell.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: December 19, 2017
    Assignee: Gimer Medical Co., Ltd.
    Inventors: Chi-Heng Chang, Chan-Yi Cheng, Chen-Tun Wu
  • Patent number: 9770592
    Abstract: An electronic stimulation device for electrically stimulating at least one dorsal root ganglion with relative low pain sensations without generating relative much sensations of paresthesia comprises at least one electronic stimulation unit. The electronic stimulation unit includes at least one first electrode and at least one second electrode, and it delivers a high-frequency electrical stimulation signal to impel the first electrode and the second electrode to generate an electric field. The range of the electric field covers the dorsal root ganglion, and the electric field strength ranges from 100 V/m to 1000 V/m.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: September 26, 2017
    Assignee: Gimer Medical Co., Ltd.
    Inventors: Chii-Wann Lin, Chi-Heng Chang, Yeong-Ray Wen, Wei-Tso Lin
  • Patent number: D878602
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: March 17, 2020
    Assignee: GIMER MEDICAL CO., LTD.
    Inventors: Chi-Heng Chang, Mei-Ching Wang