Patents Assigned to MicroMED Co., Ltd.
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Publication number: 20240156683Abstract: Disclosed is a reusable actuator for use with a drug container including a stopper comprising a container having a closed end, an open end, and a sidewall extending therebetween in a longitudinal direction, an electrode disposed inside the container for use in generating a gas, an actuating element disposed at and closing the open end of the container, the actuating element and the container defining an actuator interior, wherein the actuating element is movable relative to the container in the longitudinal direction by a gas pressure of the gas in the actuator interior, such that the actuating element applies a force to the stopper to cause a drug delivery from the drug container, and a retracting mechanism for use in removing the gas to assist the actuating element's retraction for reuse.Type: ApplicationFiled: November 16, 2023Publication date: May 16, 2024Applicant: MicroMED Co., Ltd.Inventors: Chia-Chi FENG, Po-Ying LI, Hong Jun YEH, Kuang-Hsiang CHENG
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Patent number: 11460020Abstract: A micro-delivery device includes a substrate having an upper surface; a shell disposed on the upper surface of the substrate and defining a chamber between the shell and the substrate; a planar electrode disposed on the upper surface of the substrate; a separator disposed in the chamber and dividing the chamber into an upper reservoir and a lower reservoir; and a cannula inserted in an opening of the rigid shell and in fluid communication with the upper reservoir.Type: GrantFiled: February 18, 2020Date of Patent: October 4, 2022Assignee: MICROMED CO., LTD.Inventors: Po-Ying Li, Tsung-Chieh Cheng
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Patent number: 11058814Abstract: The present invention provides a delivery device which comprises a substrate, a rigid shell a diaphragm, a cannula, an electrode and an electronic device chamber. The substrate has a first side and a second side. The second side is opposite to the first side. The rigid shell is disposed on the first side of the substrate. A chamber is defined by the rigid shell and the substrate. The diaphragm is configured within the chamber to divide the chamber into an upper reservoir and a lower reservoir. The cannula penetrating through the rigid shell and in fluid communication with the upper reservoir. The electrode is disposed on the first side of the substrate. The electronic device chamber is electrically connecting to the electrode.Type: GrantFiled: October 17, 2017Date of Patent: July 13, 2021Assignee: MICROMED CO., LTD.Inventors: Po-Ying Li, Tsung-Chieh Cheng, Chia-Chi Feng
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Publication number: 20200263679Abstract: The disclosure provides an electrochemical pump which comprises a substrate and at least one planar electrode and a micro-delivery device comprising the same. The substrate has an upper surface. The planar electrode is disposed on the upper surface and comprises at least one sharp corner.Type: ApplicationFiled: February 18, 2020Publication date: August 20, 2020Applicant: MicroMED Co., Ltd.Inventors: Po-Ying LI, Tsung-Chieh CHENG
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Publication number: 20180104408Abstract: The present invention provides a delivery device which comprises a substrate, a rigid shell a diaphragm, a cannula, an electrode and an electronic device chamber. The substrate has a first side and a second side. The second side is opposite to the first side. The rigid shell is disposed on the first side of the substrate. A chamber is defined by the rigid shell and the substrate. The diaphragm is configured within the chamber to divide the chamber into an upper reservoir and a lower reservoir. The cannula penetrating through the rigid shell and in fluid communication with the upper reservoir. The electrode is disposed on the first side of the substrate. The electronic device chamber is electrically connecting to the electrode.Type: ApplicationFiled: October 17, 2017Publication date: April 19, 2018Applicant: MicroMED Co., Ltd.Inventors: Po-Ying LI, Tsung-Chieh CHENG, Chia-Chi FENG