公开(公告)号：US20170312056A1

公开(公告)日：2017-11-02

申请号：US15526544

申请日：2015-12-08

Applicant: AMOGREENTECH CO., LTD.

Inventor： Chan KIM ,  Seung Hoon LEE ,  Song Hee KOO ,  Ji Hyun LEE

IPC: A61C9/00 ,  A61L31/04 ,  A61L31/14 ,  D02G3/44 ,  A61L31/16 ,  D01F8/04 ,  D01D7/00 ,  D01D5/00 ,  A61C19/06 ,  D01D4/02 ,  D02G3/40

CPC classification number: A61C9/0033 ,  A61C19/063 ,  A61L31/048 ,  A61L31/146 ,  A61L31/16 ,  A61L2300/418 ,  A61L2400/12 ,  D01D4/02 ,  D01D5/0038 ,  D01D5/0061 ,  D01D5/426 ,  D01D7/00 ,  D01F6/18 ,  D01F8/04 ,  D02G3/36 ,  D02G3/40 ,  D02G3/448 ,  D10B2509/00 ,  C08L33/20

Abstract: Provided is a dental cord using a nanofiber multiple yarn having a large specific surface area and a large number of three-dimensional pores, thereby effectively impregnating a drug such as a hemostatic agent, and a method of manufacturing the dental cord. The dental cord includes: a nanofiber multiple yarn which is obtained by plying and twisting at least two nanofiber tape yarns and which is impregnated with a drug, wherein the at least two nanofiber tape yarns are integrated by nanofibers made of fiber moldability polymer materials and having an average diameter of less than 1 μm, to thus be formed of a nanofiber web having three-dimensional micropores.

公开(公告)号：US20190133768A1

公开(公告)日：2019-05-09

申请号：US16093368

申请日：2017-04-14

Applicant: AMOGREENTECH CO., LTD.

Inventor： Chan KIM ,  Seung Hoon LEE ,  Seon Ho JANG ,  Ji Hyun LEE ,  Yun Mi SO

IPC: A61F2/28 ,  D04H1/728 ,  D04H13/00 ,  D01D1/02 ,  D04H1/498 ,  D01D10/06

Abstract: Provided is a nanofiber composite membrane for guided bone regeneration, which includes: spinning a spinning solution by an electrospinning method to produce nanofibers; accumulating the nanofibers, to prepare a certain thickness of a nanofiber web; and drying and thermally calendering the nanofiber web to sterilize the nanofiber web, wherein the spinning solution contains a biocompatible plasticizer to maintain physical properties, flexibility and elasticity of the membrane, by suppressing an increase in brittleness in a sterilization treatment.

公开(公告)号：US20210140070A1

公开(公告)日：2021-05-13

申请号：US17151308

申请日：2021-01-18

Applicant: AMOGREENTECH CO., LTD.

Inventor： Chan KIM ,  Seung Hoon LEE ,  Seon Ho JANG ,  Ji Hyun LEE ,  Yun Mi SO

IPC: D01D5/00 ,  A61L27/12 ,  A61L24/00 ,  A61L27/26

Abstract: Provided is a nanofiber composite membrane for guided bone regeneration, which includes: spinning a spinning solution by an electrospinning method to produce nanofibers; accumulating the nanofibers, to prepare a certain thickness of a nanofiber web; and drying and thermally calendering the nanofiber web to sterilize the nanofiber web, wherein the spinning solution contains a biocompatible plasticizer to maintain physical properties, flexibility and elasticity of the membrane, by suppressing an increase in brittleness in a sterilization treatment.

公开(公告)号：US20200046472A1

公开(公告)日：2020-02-13

申请号：US16658655

申请日：2019-10-21

Applicant: AMOGREENTECH CO., LTD.

Inventor： Chan KIM ,  Seung Hoon LEE ,  Song Hee KOO ,  Ji Hyun LEE

IPC: A61C9/00 ,  D02G3/44 ,  D02G3/40 ,  D01F8/04 ,  D01D7/00 ,  D01D5/00 ,  D01D4/02 ,  A61L31/14 ,  A61L31/04 ,  A61C19/06 ,  A61L31/16 ,  D02G3/36

Abstract: Provided is a method of manufacturing a dental cord. The method including: producing a spinning solution by dissolving a fiber-moldable hydrophobic polymer material in a solvent; spinning the spinning solution to obtain a polymer nanofiber web composed of nanofibers and including three-dimensional micropores; laminating the polymer nanofiber web to obtain a polymer membrane; slitting the polymer membrane to obtain a nanofiber tape yarn; hydrophilic-treating the nanofiber tape yarn to obtain a hydrophilic-treated nanofiber tape yarn; plying and twisting the hydrophilic-treated nanofiber tape yarn with a covered yarn to obtain a nanofiber multiple yarn; and impregnating the nanofiber multiple yarn with a hemostatic agent.

公开(公告)号：US20190117464A1

公开(公告)日：2019-04-25

申请号：US15559667

申请日：2016-05-19

Applicant: AMOGREENTECH CO., LTD.

Inventor： In Yong SEO ,  Seung Hoon LEE ,  Song Hee KOO ,  Ji Hyun LEE

IPC: A61F13/00 ,  A61L15/42 ,  A61L15/44 ,  A61L15/26 ,  A61L15/28 ,  A61L15/24

Abstract: Provided is an antimicrobial dressing, which includes: a first cover member having a plurality of pores formed therein and contacting a wound; an antimicrobial membrane that is made by accumulating nanofibers containing a water-soluble polymer that is dissolved in an exudate secreted from the wound, a synthetic polymer, and an antimicrobial substance released due to dissolution of the water-soluble polymer, the antimicrobial membrane being laminated on the first cover member and having a plurality of pores formed therein; and a second cover member laminated on the antimicrobial membrane and having a plurality of pores formed therein and exposed to an external air.

公开(公告)号：US20230190989A1

公开(公告)日：2023-06-22

申请号：US18169397

申请日：2023-02-15

Applicant: AMOGREENTECH CO., LTD.

Inventor： In Yong SEO ,  Seung Hoon LEE ,  Song Hee KOO ,  Ji Hyun LEE

IPC: A61L15/44 ,  A61L15/18 ,  A61L15/22 ,  A61L15/42

CPC classification number: A61L15/44 ,  A61L15/18 ,  A61L15/225 ,  A61L15/425 ,  A61L2300/104 ,  A61L2400/12 ,  A61L2300/404

Abstract: Provided is an antimicrobial dressing, which includes: a first cover member having a plurality of pores formed therein and contacting a wound; an antimicrobial membrane that is made by accumulating nanofibers containing a water-soluble polymer that is dissolved in an exudate secreted from the wound, a water-insoluble polymer, and an antimicrobial substance released due to dissolution of the water-soluble polymer, the antimicrobial membrane being laminated on the first cover member and having a plurality of pores formed therein; and a second cover member laminated on the antimicrobial membrane and having a plurality of pores formed therein and exposed to an external air.