Patents Assigned to EOFLOW CO., LTD.
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Publication number: 20230077910Abstract: An electro-osmosis pump system includes an inlet line through which a fluid is introduced, an outlet line through which the fluid is discharged, a first pump disposed between the inlet line and the outlet line and including a first housing in which a first operation fluid is disposed, a second pump disposed in parallel to the first pump between the inlet line and the outlet line and including a second housing in which a second operation fluid disposed, and a power supply configured to supply voltages to the first pump and the second pump. The first pump includes a first membrane, a 1A-th electrode, and a 2A-th electrode, the second pump includes a second membrane, a 1B-th electrode, and a 2B-th electrode, and the power supply supplies the voltage to the 1A-th electrode and the 2A-th electrode, and supplies the voltage to the 1B-th electrode and the 2B-th electrode.Type: ApplicationFiled: November 16, 2022Publication date: March 16, 2023Applicant: EOFLOW CO., LTD.Inventors: Jae Hong KIM, Young Wook CHANG, Mihyun LEE
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Patent number: 11603831Abstract: Provided are an electroosmotic pump, including: a membrane; a first electrode which is provided on one surface of the membrane, including a porous support including an insulator and an electrochemical reaction material formed on the porous support; and a second electrode which is provided on the other surface of the membrane, including a porous support including an insulator and an electrochemical reaction material formed on the porous support, and a fluid-pumping system including the electroosmotic pump.Type: GrantFiled: April 20, 2021Date of Patent: March 14, 2023Assignee: EOFLOW CO., LTD.Inventors: Jesse Jaejin Kim, Yongchul Song
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Patent number: 11565049Abstract: The disclosed technology relates to medicinal fluid injection devices. In one aspect, a medicinal fluid injection device includes a housing having an opening in a side surface thereof, a storage container arranged inside the housing and configured to store a medicinal fluid, an injection needle connected to the storage container and configured to inject the medicinal fluid when stored in the storage container through the opening, and a cover body covering the opening, wherein the cover body includes a cover part configured such that the a shape of the cover part changes according to air pressure caused by the injection needle.Type: GrantFiled: May 12, 2020Date of Patent: January 31, 2023Assignee: EOFLOW CO., LTD.Inventors: Seung Ha Kim, Jesse Jaejin Kim
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Patent number: 11291764Abstract: A liquid medicine injection device includes: a liquid medicine storage unit including a cylinder including a space configured to store liquid medicine therein and a discharge hole connected to the space, and a piston arranged inside the cylinder and moving toward the discharge hole depending on discharge of the liquid medicine; a first electrode on an outer surface of the cylinder; a second electrode on the outer surface of the cylinder, the second electrode facing the first electrode with the piston therebetween; and a circuit unit including a substrate electrically connected to the first electrode and the second electrode.Type: GrantFiled: October 16, 2017Date of Patent: April 5, 2022Assignee: EOFLOW CO., LTD.Inventors: Jesse Jaejin Kim, Seung Ha Kim
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Patent number: 11286918Abstract: The present invention discloses a path-type liquid medicine delivery electro-osmosis pump that can be applied to a wearable medicine device. An electro osmosis pump according to the present invention includes: a connector provided with a liquid medicine inlet and a liquid medicine outlet; a check valve assembly combined to one side of the connector; and a driver that is connected to the other side of the connector and moves the liquid medicine toward the liquid medicine outlet by applying pressure to the liquid medicine while being separated from the liquid medicine, which passes through the check valve assembly.Type: GrantFiled: August 1, 2017Date of Patent: March 29, 2022Assignee: EOFLOW CO., LTD.Inventors: Seung Ha Kim, Jae Hong Kim, Jesse Jaejin Kim, Yongchul Song
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Patent number: 11015583Abstract: Provided are an electroosmotic pump, including: a membrane; a first electrode which is provided on one surface of the membrane, including a porous support including an insulator and an electrochemical reaction material formed on the porous support; and a second electrode which is provided on the other surface of the membrane, including a porous support including an insulator and an electrochemical reaction material formed on the porous support, and a fluid-pumping system including the electroosmotic pump.Type: GrantFiled: June 16, 2017Date of Patent: May 25, 2021Assignee: EOFlow Co., Ltd.Inventors: Jesse Jaejin Kim, Yongchul Song
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Patent number: 10786622Abstract: Provided is a liquid medicine injection device having a needle holder slid immediately by using the elasticity of a spring such that a needle installed at the needle holder may be instantly inserted into a patient.Type: GrantFiled: February 24, 2017Date of Patent: September 29, 2020Assignee: EOFlow Co., Ltd.Inventors: Seung Ha Kim, Jesse Jaejin Kim
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Patent number: 10786623Abstract: The disclosed technology generally relates to medical devices, and more particularly to a chemical fluid injection device. In an aspect, a chemical fluid injection device is configured to recognize whether a needle attached to a needle holder is inserted into a patient by sliding the needle holder and sensing whether the needle holder is adjacent to a needle penetration hole.Type: GrantFiled: September 11, 2018Date of Patent: September 29, 2020Assignee: EOFlow Co., Ltd.Inventors: Jesse Jaejin Kim, Jong Ook Jeong, Seung Ha Kim
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Patent number: 10682465Abstract: The disclosed technology relates to medicinal fluid injection devices. In one aspect, a medicinal fluid injection device includes a housing having an opening in a side surface thereof, a storage container arranged inside the housing and configured to store a medicinal fluid, an injection needle connected to the storage container and configured to inject the medicinal fluid when stored in the storage container through the opening, and a cover body covering the opening, wherein the cover body includes a cover part configured such that the shape of the cover part changes according to air pressure caused by the injection needle.Type: GrantFiled: February 24, 2017Date of Patent: June 16, 2020Assignee: EOFlow Co., Ltd.Inventors: Seung Ha Kim, Jong Ook Jeong, Jesse Jaejin Kim
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Patent number: 10549030Abstract: The present invention discloses a liquid medicine injection device that is attached to a patient's body to inject liquid medicine such as insulin at an appropriate time. A liquid medicine injection device according to the present invention includes: a case; a liquid medicine tank that is disposed in the case and where liquid medicine is received; an electro-osmosis pump that is connected with the liquid medicine tank and moves the liquid medicine; a needle assembly that receives the liquid medicine by being connected to the electro-osmosis pump and injects the received liquid medicine into a human body; and an adhesive member combined to the case and attached to the human body.Type: GrantFiled: August 1, 2017Date of Patent: February 4, 2020Assignee: EOFlow Co., Ltd.Inventors: Seung Ha Kim, Jae Hong Kim, Jesse Jaejin Kim, Yongchul Song, Jongook Jeong
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Publication number: 20190091408Abstract: The disclosed technology relates to medicinal fluid injection devices. In one aspect, a medicinal fluid injection device includes a housing having an opening in a side surface thereof, a storage container arranged inside the housing and configured to store a medicinal fluid, an injection needle connected to the storage container and configured to inject the medicinal fluid when stored in the storage container through the opening, and a cover body covering the opening, wherein the cover body includes a cover part configured such that the shape of the cover part changes according to air pressure caused by the injection needle.Type: ApplicationFiled: February 24, 2017Publication date: March 28, 2019Applicant: EOFLOW CO., LTD.Inventors: Seung Ha KIM, Jong Ook JEONG, Jesse Jaejin KIM
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Patent number: D947873Type: GrantFiled: February 27, 2020Date of Patent: April 5, 2022Assignee: EOFLOW CO., LTD.Inventors: In Wook Bin, Moon Bo Kim
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Patent number: D950713Type: GrantFiled: April 13, 2020Date of Patent: May 3, 2022Assignee: EOFLOW CO., LTD.Inventors: In Wook Bin, Seung Ha Kim, Yong Ho Jeon
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Patent number: D950714Type: GrantFiled: April 13, 2020Date of Patent: May 3, 2022Assignee: EOFLOW CO., LTD.Inventors: Yong Ho Jeon, In Wook Bin, Seung Ha Kim
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Patent number: D956217Type: GrantFiled: April 13, 2020Date of Patent: June 28, 2022Assignee: EOFLOW CO., LTD.Inventors: Yong Ho Jeon, In Wook Bin, Seung Ha Kim
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Patent number: D976936Type: GrantFiled: August 5, 2021Date of Patent: January 31, 2023Assignee: EOFLOW CO., LTD.Inventors: Dong Min Lee, Moonbo Kim