Patents by Inventor Eunpyo Choi

Eunpyo Choi 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).

  • Patent number: 11564881
    Abstract: Provided is a therapeutic agent targeting and fixation medical device that precisely targets a therapeutic agent including a magnetic substance by using an optimized array of magnets in consideration of an affected area of a patient.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: January 31, 2023
    Assignee: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY
    Inventors: Jongoh Park, Eunpyo Choi, Chang-Sei Kim, Byungjeon Kang, Gwangjun Go, Kyungmin Lee, Jiwon Han
  • Patent number: 11452605
    Abstract: Provided is a magnetically actuated microscaffold for minimal invasive osteochondral regeneration. More particularly, provided is a composition for cartilage regeneration, a microscaffold for cartilage regeneration, in which magnetic particles and cartilage regeneration cells are loaded on the surface of or within a 3-dimensional porous microstructure composed of a biodegradable polymer and having a diameter of 200-300 ?m; and a microscaffold for bone regeneration, in which magnetic particles and bone regeneration cells are loaded on the surface of or within a 3-dimensional porous microstructure composed of a biodegradable polymer and having a diameter of 700-900 ?m.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: September 27, 2022
    Assignee: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY
    Inventors: Jongoh Park, Eunpyo Choi, Chang-Sei Kim, Gwangjun Go, Ami Yoo, Jin Zhen
  • Publication number: 20220061642
    Abstract: The present invention relates to a micro-robot control apparatus. An electromagnetic module for focusing magnetic field and a micro-robot control apparatus comprising the electromagnetic module, according to the present invention, focus the magnetic field in an area of interest where focusing of same is desired to allow a micro-robot to be controlled, and, the apparatus having been simplified, allow efficient setup and operation in the surgery area. Moreover, the number of electromagnets is reduced to thus reduce the number of sources of power, thereby resulting in efficient operation of the apparatus with lowered power consumption. Additionally, by means of a magnetic induction frequency signal reception coil of the micro-robot and the external micro-robot control apparatus equipped with a magnetic induction transmission coil, the micro-robot control apparatus can both generate power wirelessly for the micro-robot, and implementation location recognition of same due to the efficiency of the generated power.
    Type: Application
    Filed: February 10, 2020
    Publication date: March 3, 2022
    Inventors: Jongoh PARK, Chang-Sei KIM, Eunpyo CHOI, Jayoung KIM, Byungjeon KANG, Manh Cuong HOANG, Ayoung HONG
  • Publication number: 20220015612
    Abstract: The present invention relates to a micro robot driving apparatus which can increase the intensity of magnetic field generation in a driving area of a micro robot by attaching a magnetic shield unit to an electromagnetic drive coil unit for driving the micro robot, or locally focus a magnetic field through the combination of two electromagnets, and a system using the same. According to the present invention, there is an effect that driving the micro robot injected into the body may be controlled by increasing a magnetic field generation intensity in the region of interest or focusing the magnetic field.
    Type: Application
    Filed: February 7, 2020
    Publication date: January 20, 2022
    Applicant: KOREA INSTITUTE OF MEDICAL MICROROBOTICS
    Inventors: Chang-Sei KIM, Jongoh PARK, Eunpyo CHOI, Byungjeon KANG, Jayoung KIM, Gwangjun GO, Kim Tien NGUYEN
  • Publication number: 20220001157
    Abstract: A micro-robot operating system using an ultrasonic transducer according to an embodiment of the present invention may comprise: a micro-robot moving in an inspection object; and a micro-robot operating device for controlling the location of the micro-robot. A micro-robot operating device using an ultrasonic transducer may comprise: an ultrasonic transducer unit including a plurality of ultrasonic transducers; and a control unit for controlling the plurality of ultrasonic transducers, wherein the plurality of ultrasonic transducers are arranged to form a curved surface toward a particular location in a space.
    Type: Application
    Filed: January 29, 2020
    Publication date: January 6, 2022
    Inventors: Chang-Sei KIM, Jongoh PARK, Eunpyo CHOI, Byungjeon KANG, Hansol LEE
  • Publication number: 20210353758
    Abstract: The present disclosure relates to a microcarrier for embolization, and a preparation method therefor, wherein the microcarrier comprises a biodegradable porous polymer, a stimulus-responsive polymer captured in the biodegradable porous polymer, and drug-supported magnetic nanoparticles captured in the stimulus-responsive polymer, thereby being capable of operating in an in vivo tumor-targeting manner and releasing, by an external stimulus, the drug-supported nanoparticles, so as to be effectively usable in tumor embolization.
    Type: Application
    Filed: January 29, 2020
    Publication date: November 18, 2021
    Inventors: Jongoh PARK, Eunpyo CHOI, Chang-Sei KIM, Gwangjun GO, Jiwon HAN
  • Publication number: 20210353135
    Abstract: The present invention relates to a capsule-type endoscope assembly which can be assembled or disassembled in a digestive organ of an examinee, and a capsule-type endoscope system using same. A capsule-type endoscope of the present invention can be actively operated by application of an external magnetic field. In addition, according to the present invention, after an examinee has separately swallowed various diagnosis and treatment devices modularized according to a purpose of diagnosis and treatment, the diagnosis and treatment devices can be assembled in a digestive organ of the examinee. Therefore, a function of a capsule-type endoscope can be extended to various diagnosis and treatment areas conventionally covered by a conventional general endoscope.
    Type: Application
    Filed: January 23, 2020
    Publication date: November 18, 2021
    Inventors: Eunpyo CHOI, Jongoh PARK, Chang-Sei KIM, Byungjeon KANG
  • Publication number: 20200055041
    Abstract: An apparatus for biological analysis includes a substrate, and an ion-permeable material with a textured surface on a first side of the ion-permeable material. The substrate is disposed proximate to a second side of the ion-permeable material, opposite the first side. A plurality of electrodes is disposed between the substrate and the ion-permeable material, where individual electrodes in the plurality of electrodes are positioned to measure an electrical signal that passes through the ion-permeable material.
    Type: Application
    Filed: April 6, 2018
    Publication date: February 20, 2020
    Inventors: Deok-Ho KIM, Alec S.T. SMITH, Eunpyo CHOI, Kevin GRAY
  • Publication number: 20190314156
    Abstract: Provided is a magnetically actuated microscaffold for minimal invasive osteochondral regeneration. More particularly, provided is a composition for cartilage regeneration, a microscaffold for cartilage regeneration, in which magnetic particles and cartilage regeneration cells are loaded on the surface of or within a 3-dimensional porous microstructure composed of a biodegradable polymer and having a diameter of 200-300 ?m; and a microscaffold for bone regeneration, in which magnetic particles and bone regeneration cells are loaded on the surface of or within a 3-dimensional porous microstructure composed of a biodegradable polymer and having a diameter of 700-900 ?m.
    Type: Application
    Filed: May 9, 2018
    Publication date: October 17, 2019
    Inventors: Jongoh Park, Eunpyo Choi, Chang-Sei Kim, Gwangjun Go, Ami Yoo, Jin Zhen
  • Publication number: 20180369132
    Abstract: Provided is a therapeutic agent targeting and fixation medical device that precisely targets a therapeutic agent including a magnetic substance by using an optimized array of magnets in consideration of an affected area of a patient.
    Type: Application
    Filed: June 22, 2018
    Publication date: December 27, 2018
    Inventors: Jongoh Park, Eunpyo Choi, Chang-Sei Kim, Byungjeon Kang, Gwangjun Go, Kyungmin Lee, Jiwon Han