Patents Assigned to EOFLOW CO., LTD.
  • Patent number: 12589202
    Abstract: A medical liquid infusion apparatus includes: a first body to which a needle assembly is mounted, a control module installed in the first body, configured to control driving of the needle assembly, and electrically connected to an internal device, and a fracture portion formed to protrude outward from one side of the control module, and fractured by an external force to allow an electrical connection between the control module and the internal device to be disconnected.
    Type: Grant
    Filed: April 26, 2024
    Date of Patent: March 31, 2026
    Assignee: EOFLOW CO., LTD.
    Inventors: Inwook Bin, Sangjin Han, Seungha Kim, Hyunduk Roh, Daejong Park
  • Publication number: 20250319249
    Abstract: A method and apparatus for determining an inactive time of a medical liquid dose calculator are provided. According to the method, an infusion error of a medical liquid infusion device may be detected, and an inactive time of the medical liquid dose calculator may be determined in response to detection of the infusion error.
    Type: Application
    Filed: May 2, 2025
    Publication date: October 16, 2025
    Applicant: EOFLOW CO., LTD.
    Inventors: Yongho JEON, Seonhwan KIM, Youngjin JUNG, Ha Bin IM, Du Won JANG
  • Patent number: 12168118
    Abstract: The disclosed technology relates to a method for using a medicinal fluid injection device comprising 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: Grant
    Filed: January 2, 2023
    Date of Patent: December 17, 2024
    Assignee: EOFlow Co., Ltd.
    Inventors: Seung Ha Kim, Jesse Jaejin Kim
  • Publication number: 20240399061
    Abstract: A medical liquid injection device includes: a base body; a needle assembly mounted on the base body; a reservoir fluidly connected to the needle assembly and having a plunger therein; a driving unit that linearly moves the plunger; an encoder unit disposed at an end of the driving unit to measure rotation of the driving unit; and a control module for determining over-injection or under-injection of a medical liquid based on the detection of the rotation of the driving unit by the encoder unit.
    Type: Application
    Filed: August 12, 2024
    Publication date: December 5, 2024
    Applicant: EOFLOW CO., LTD.
    Inventors: Seungha KIM, Hyunduk Roh, Seonhwan Kim, Daejong Park
  • Publication number: 20240342363
    Abstract: Provided is an electroosmotic pump including: a housing having a shaft hole; a shaft passing through the shaft hole, arranged to extend inside and outside the housing, and capable of a reciprocating motion in an extension direction thereof; and a moving member coupled to the shaft outside the housing. The shaft may be press-fittable into the moving member.
    Type: Application
    Filed: June 21, 2024
    Publication date: October 17, 2024
    Applicant: EOFLOW CO., LTD.
    Inventors: Do Kyung LEE, Jun Hyuk JEONG
  • Patent number: 12115349
    Abstract: Provided are a method, apparatus, and computer program for providing a notification according to a period of use of a drug infusion device. A time point at which the drug infusion device switches from an inactive mode to an active mode may be determined as a use start time point. Also, an impending expiration notification indicating that expiration of a period of use of the drug infusion device is imminent may be provided at a first time point after a certain period from the use start time point, based on a usable period and a user set time of the drug infusion device. In addition, an expiration notification indicating that the period of use of the drug infusion device has expired may be provided at a second time point after the usable period from the use start time point.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: October 15, 2024
    Assignee: EOFLOW CO., LTD.
    Inventors: Luis Malave, Jesse Jaejin Kim, Yong Ho Jeon, Dong Min Lee
  • Publication number: 20240335605
    Abstract: The present disclosure provides a liquid medicine injection device including: a needle part which is provided with one or more needle bodies formed to be injected into a body of a user; a reservoir part in which liquid medicine to be delivered to the needle part is contained; a driving part which is provided with a shaft part capable of performing a reciprocating motion in a preset direction and transmits power to the reservoir part such that the liquid medicine contained in the reservoir part is delivered to the needle part; and a base part in which the reservoir part, the needle part, and the driving part are installed The base part is provided with a rib part in which a guide part is formed in a shape of a groove part, and the shaft part is capable of performing the reciprocating motion in the guide part.
    Type: Application
    Filed: June 21, 2024
    Publication date: October 10, 2024
    Applicant: EOFLOW CO., LTD.
    Inventors: Do Kyung LEE, Chang Jung KIM, Kwang Sik YUN
  • Publication number: 20240335604
    Abstract: The present disclosure provides a pump including: a housing having a shaft hole part; a shaft part extending to an outside of the housing through the shaft hole part; a power generation part arranged inside the housing and transmitting power to the shaft part; and a fluid provided in an inner space of the housing. A certain distance is formed between an inner circumferential surface of the shaft hole part and an outer circumferential surface of the shaft part, and a discharge passage is formed such that the inner space of the housing communicates with an outer space thereof.
    Type: Application
    Filed: June 21, 2024
    Publication date: October 10, 2024
    Applicant: EOFLOW CO., LTD.
    Inventors: Do Kyung LEE, Joon Sung JEON
  • Publication number: 20240335606
    Abstract: An electroosmotic pump according to an embodiment of the present disclosure may include: a housing that provides an inner space for containing a fluid therein and has a shaft hole connecting the inner space to an outer space thereof; and a shaft assembly that covers the shaft hole from an outside of the housing, is connected to the housing, and is capable of changing a shape in a longitudinal direction by a flow of the fluid passing through the shaft hole.
    Type: Application
    Filed: June 18, 2024
    Publication date: October 10, 2024
    Applicant: EOFLOW CO., LTD.
    Inventors: Do Kyung LEE, Joon Sung JEON, Kwang Sik YUN
  • Patent number: 12097356
    Abstract: A medical liquid injection device includes a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having a plunger therein, a driving unit that linearly moves the plunger, and an encoder unit disposed at an end of the driving unit to measure rotation of the driving unit.
    Type: Grant
    Filed: January 29, 2024
    Date of Patent: September 24, 2024
    Assignee: EOFLOW CO., LTD.
    Inventors: Seungha Kim, Hyunduk Roh, Seonhwan Kim, Daejong Park
  • Patent number: 12090299
    Abstract: Provided is an electroosmotic pump including a housing including a shaft hole, a membrane disposed between a first space arranged in a direction away from the shaft hole and a second space adjacent to the shaft hole, a first electrode body and a second electrode body arranged at opposite sides based on the membrane, a shaft extending to an outside of the housing through the shaft hole, and a first fluid included in an internal space of the housing.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: September 17, 2024
    Assignee: EOFlow Co., Ltd.
    Inventors: Jesse Jae Jin Kim, Yong Chul Song, Seung Ha Kim, Dae Jong Park
  • Publication number: 20240226427
    Abstract: A medical liquid injection device is provided. The medical liquid injection device includes a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having a guide groove on an inner surface, and a driving unit configured to move a plunger disposed inside the reservoir.
    Type: Application
    Filed: March 19, 2024
    Publication date: July 11, 2024
    Applicant: EOFLOW CO., LTD.
    Inventors: Kiung KIM, Wonkyung Bang, Daejong Park, Seungha Kim
  • Patent number: 11998720
    Abstract: A medical liquid infusion apparatus includes: a housing provided such that an interior thereof is at least partially open at a first time point and is sealed at a second time point later than the first time point; a needle assembly located in the housing and provided such that at least a portion thereof is discharged to an outside of the housing at a third time point later than the second time point by a user's operation; a reservoir that is sealed in the housing after the second time point, receives a medical liquid, and is fluidly connected to the needle assembly; a driving module that is sealed in the housing after the second time point, interposed between the needle assembly and the reservoir, and generates a driving force for discharging the medical liquid after the third time point; a battery module sealed in the housing after the second time point; and a control module that is sealed in the housing after the second time point, and electrically connected to a transmission module and the battery module a
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: June 4, 2024
    Assignee: EOFLOW CO., LTD.
    Inventors: Inwook Bin, Sangjin Han, Seungha Kim, Hyunduk Roh, Daejong Park
  • Publication number: 20240165331
    Abstract: A medical liquid injection device includes a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having a plunger therein, a driving unit that linearly moves the plunger, and an encoder unit disposed at an end of the driving unit to measure rotation of the driving unit.
    Type: Application
    Filed: January 29, 2024
    Publication date: May 23, 2024
    Applicant: EOFLOW CO., LTD.
    Inventors: Seungha KIM, Hyunduk Roh, Seonhwan Kim, Daejong Park
  • Patent number: 11964128
    Abstract: A medical liquid injection device is provided. The medical liquid injection device includes a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having a guide groove on an inner surface, and a driving unit configured to move a plunger disposed inside the reservoir.
    Type: Grant
    Filed: March 2, 2023
    Date of Patent: April 23, 2024
    Assignee: EOFLOW CO., LTD.
    Inventors: Kiung Kim, Wonkyung Bang, Daejong Park, Seungha Kim
  • Patent number: 11938302
    Abstract: An insulin patch control method and a device therefor are provided. An insulin patch control method and a device therefor are provided. The insulin patch control method according to one embodiment of the present invention comprises the steps of: obtaining, from an insulin patch, blood glucose information measured by a blood glucose sensor; inputting the obtained blood glucose information into a first neural network; estimating a pump parameter of the insulin patch on the basis of output data of the first neural network; and simulating the insulin patch by inputting the blood sugar information and the pump parameter into a second neural network.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: March 26, 2024
    Assignee: EOFLOW CO., LTD.
    Inventors: Ian G. Welsford, Inwook Bin, Ho Min Jeon
  • Patent number: 11918784
    Abstract: A medical liquid injection device includes a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having a plunger therein, a driving unit that linearly moves the plunger, and an encoder unit disposed at an end of the driving unit to measure rotation of the driving unit.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: March 5, 2024
    Assignee: EOFLOW CO., LTD.
    Inventors: Seungha Kim, Hyunduk Roh, Seonhwan Kim, Daejong Park
  • Patent number: 11865300
    Abstract: 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: Grant
    Filed: February 25, 2022
    Date of Patent: January 9, 2024
    Assignee: EOFlow Co., Ltd.
    Inventors: Jesse Jaejin Kim, Seung Ha Kim
  • Patent number: 11859602
    Abstract: 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: Grant
    Filed: February 14, 2023
    Date of Patent: January 2, 2024
    Assignee: EOFLOW CO., LTD.
    Inventors: Jesse Jaejin Kim, Yongchul Song
  • Publication number: 20230390489
    Abstract: Provided are a reservoir assembly and a medical liquid injection device. The reservoir assembly includes a reservoir including a storage space for medical liquid, a plunger inserted into the reservoir and moving along the reservoir, a connector connected to the plunger and including at least a portion extending to an opposite side of the storage space, a guide member into which the connector is inserted and which guides movement of the connector, and a sensor unit installed on the guide member and sensing movement of the connector.
    Type: Application
    Filed: August 23, 2023
    Publication date: December 7, 2023
    Applicant: EOFLOW CO., LTD.
    Inventors: Sangjin HAN, Hyunduk ROH, Dong Kuk OH, Kyung Seo CHO