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).
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Patent number: 12070602Abstract: 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: GrantFiled: May 17, 2021Date of Patent: August 27, 2024Assignee: GIMER MEDICAL. CO. LTD.Inventors: Chi-Heng Chang, Jian-Hao Pan
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Publication number: 20230201601Abstract: 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: ApplicationFiled: November 2, 2022Publication date: June 29, 2023Applicant: GIMER MEDICAL. Co. LTD.Inventors: Chi-Heng CHANG, Jian-Hao PAN
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Publication number: 20230201568Abstract: 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: ApplicationFiled: November 7, 2022Publication date: June 29, 2023Applicant: GIMER MEDICAL. Co. LTD.Inventors: Chi-Heng CHANG, Jian-Hao PAN
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Publication number: 20230201595Abstract: 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: ApplicationFiled: November 7, 2022Publication date: June 29, 2023Applicant: GIMER MEDICAL. Co. LTD.Inventors: Chi-Heng CHANG, Jian-Hao PAN, Mei-Ching WANG, Wei-Tso LIN, Chan-Yi CHENG
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Publication number: 20220248991Abstract: 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: ApplicationFiled: August 9, 2019Publication date: August 11, 2022Applicant: GIMER MEDICAL. Co. LTD.Inventors: Chi-Heng CHANG, Mei-Ching WANG
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Publication number: 20210268283Abstract: 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: ApplicationFiled: May 17, 2021Publication date: September 2, 2021Applicant: GIMER MEDICAL. Co. LTD.Inventors: Chi-Heng CHANG, Jian-Hao PAN
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Patent number: 11083893Abstract: 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: GrantFiled: August 21, 2018Date of Patent: August 10, 2021Assignee: GIMER MEDICAL. CO. LTD.Inventors: Chi-Heng Chang, Jian-Hao Pan
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Patent number: 10765868Abstract: 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: GrantFiled: October 21, 2016Date of Patent: September 8, 2020Assignee: GIMER MEDICAL CO., LTDInventors: Chi-Heng Chang, Jian-Hao Pan
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Patent number: 10639476Abstract: 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: GrantFiled: January 4, 2018Date of Patent: May 5, 2020Assignee: GIMER MEDICAL CO., LTD.Inventors: Chi-Heng Chang, Mei-Ching Wang
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Patent number: 10632310Abstract: 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: GrantFiled: January 10, 2018Date of Patent: April 28, 2020Assignee: GIMER MEDICAL CO., LTD.Inventor: Chi-Heng Chang
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Patent number: 10398896Abstract: 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: GrantFiled: May 24, 2016Date of Patent: September 3, 2019Assignee: GIMER MEDICAL CO., LTD.Inventors: Wei-Tso Lin, Chen-Tun Wu, Chan-Yi Cheng, Chi-Heng Chang
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Patent number: 10335594Abstract: 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: GrantFiled: May 24, 2016Date of Patent: July 2, 2019Assignee: GIMER MEDICAL CO., LTD.Inventors: Wei-Tso Lin, Chen-Tun Wu, Chan-Yi Cheng, Chi-Heng Chang
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Publication number: 20190060651Abstract: 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: ApplicationFiled: August 21, 2018Publication date: February 28, 2019Applicant: GIMER MEDICAL. Co. LTD.Inventors: Chi-Heng CHANG, Jian-Hao PAN
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Patent number: 10086201Abstract: 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: GrantFiled: October 28, 2015Date of Patent: October 2, 2018Assignee: GIMER MEDICAL CO., LTD.Inventors: Chi-Heng Chang, Wei-Tso Lin, Chan-Yi Cheng, Chii-Wann Lin, Yeong-Ray Wen
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Patent number: 10070535Abstract: 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: GrantFiled: October 19, 2017Date of Patent: September 4, 2018Assignee: GIMER MEDICAL CO., LTD.Inventors: Chi-Heng Chang, Chan-Yi Cheng, Chen-Tun Wu
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Publication number: 20180126164Abstract: 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: ApplicationFiled: January 10, 2018Publication date: May 10, 2018Inventor: Chi-Heng CHANG
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Publication number: 20180126163Abstract: 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: ApplicationFiled: January 4, 2018Publication date: May 10, 2018Inventors: Chi-Heng CHANG, Mei-Ching WANG
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Publication number: 20180042120Abstract: 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: ApplicationFiled: October 19, 2017Publication date: February 8, 2018Inventors: Chi-Heng CHANG, Chan-Yi CHENG, Chen-Tun WU
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Patent number: D878602Type: GrantFiled: July 3, 2018Date of Patent: March 17, 2020Assignee: GIMER MEDICAL CO., LTD.Inventors: Chi-Heng Chang, Mei-Ching Wang
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Patent number: D1052748Type: GrantFiled: February 5, 2023Date of Patent: November 26, 2024Assignee: GiMer Medical Company LimitedInventors: Cheng-Yung Tung, Ching-Tai Wang, Chi-Heng Chang, Pei-Yi Lin, Chia-Hsiung Peng