JP2022539632A - 医療用糸及びその製造方法 - Google Patents
医療用糸及びその製造方法 Download PDFInfo
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- A—HUMAN NECESSITIES
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- A61L17/00—Materials for surgical sutures or for ligaturing blood vessels ; Materials for prostheses or catheters
- A61L17/06—At least partially resorbable materials
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- A—HUMAN NECESSITIES
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- A61L17/00—Materials for surgical sutures or for ligaturing blood vessels ; Materials for prostheses or catheters
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- A61L17/10—At least partially resorbable materials containing macromolecular materials
- A61L17/12—Homopolymers or copolymers of glycolic acid or lactic acid
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
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- A—HUMAN NECESSITIES
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
- A61B2017/0475—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery using sutures having a slip knot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06066—Needles, e.g. needle tip configurations
- A61B2017/0608—J-shaped
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
- A61B2017/06176—Sutures with protrusions, e.g. barbs
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- A—HUMAN NECESSITIES
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- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
- A61B2017/0618—Sutures elastic, e.g. stretchable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
- A61B2017/0619—Sutures thermoplastic, e.g. for bonding, welding, fusing or cutting the suture by melting it
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Abstract
Description
下記表4に示す直径となるように医療用糸本体をPDOから製造し、その後、その一端を上記に説明した方法で0.5mpaの冷却空気量の条件で加熱することにより、三角形のストッパーを備えた医療用糸を製造した。
下記表5に示す直径となるように医療用糸本体をPGCLから製造し、その一端を上記に説明した方法で加熱し、三角形のストッパーを備えた医療用糸を製造した。
10:本体
20:ストッパー
30:縫合用針
Claims (12)
- 長手方向に延びる本体;及び
前記本体の一端部に、前記本体の断面よりも大きな断面を有するストッパー;
を有することを特徴とする医療用糸。 - 前記ストッパーは、隣接する前記本体の長手方向に対して垂直に配置され、三角柱又は三角錐の形状を有する請求項1に記載の医療用糸。
- 前記ストッパーの厚さは0.1mm~5.0mmであり、前記ストッパーの一辺の長さは2mm~5mmである請求項2に記載の医療用糸。
- 前記本体は前記ストッパーの中心に連結され、前記ストッパーのコーナー角度は60°である請求項2に記載の医療用糸。
- 前記本体と前記ストッパー間の付着強度は0.3kgf~10.0kgfである請求項1に記載の医療用糸。
- 前記本体と前記ストッパーは、それぞれ独立して、ポリジオキサン(PDO)、ポリカプロラクトン(PCL)、ポリ乳酸(PLA)、ポリグリコール酸(PGA)、ポリトリメチルカーボネート(PTMC)、ポリプロピレン(PP)、ナイロン、ポリテトラフルオロエチレン(PTFE)から選ばれる一つ以上の共重合体を含む請求項1に記載の医療用糸。
- 前記本体の他端部には、縫合部位に挿入可能な縫合用針が結合されている請求項1に記載の医療用糸。
- 前記本体の表面は、外側に突出した複数のとげを有する請求項1に記載の医療用糸。
- 長手方向に延びる本体を準備するステップ;
前記本体の一端部を加熱して溶融するステップ;
溶融した前記本体の一端部を、所定の形状を有するモールドに注入し、前記本体の端部にストッパーを形成するステップ;及び
前記本体と前記ストッパーを冷却した後、前記モールドから分離するステップ;を含み、
前記ストッパーが、前記本体の断面よりも大きな断面を有することを特徴とする医療用糸の製造方法。 - 溶融した前記本体の一端部に対して前記ストッパーの相対的位置を調節する位置調節ステップをさらに含む請求項9に記載の医療用糸の製造方法。
- 前記本体と前記ストッパーを冷却した後、前記モールドから分離するステップにおいて、前記本体と前記ストッパーを、0.01~3.0mpaの冷却空気量で5.0~120秒間冷却する請求項9に記載の医療用糸の製造方法。
- 前記本体の一端部を加熱して溶融するステップにおいて、前記本体を溶融するモールドの温度は50~400℃である請求項9に記載の医療用糸の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2019-0138169 | 2019-10-31 | ||
KR20190138169 | 2019-10-31 | ||
PCT/KR2020/004193 WO2021085761A1 (ko) | 2019-10-31 | 2020-03-27 | 의료용 실 및 이의 제조방법 |
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JP2022539632A true JP2022539632A (ja) | 2022-09-13 |
JP7286771B2 JP7286771B2 (ja) | 2023-06-05 |
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JP2021536778A Active JP7286771B2 (ja) | 2019-10-31 | 2020-03-27 | 医療用糸及びその製造方法 |
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US (1) | US20220257237A1 (ja) |
JP (1) | JP7286771B2 (ja) |
KR (1) | KR102309056B1 (ja) |
CA (1) | CA3153882A1 (ja) |
WO (1) | WO2021085761A1 (ja) |
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KR102500298B1 (ko) * | 2021-07-15 | 2023-02-16 | 삼일테크(주) | 봉합사의 말단 스토퍼 자동 성형장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08140982A (ja) * | 1994-11-21 | 1996-06-04 | Olympus Optical Co Ltd | 医療用縫合器 |
WO2012073944A1 (ja) * | 2010-11-30 | 2012-06-07 | オリンパス株式会社 | 組織結紮デバイス |
JP2014514017A (ja) * | 2011-03-07 | 2014-06-19 | ジョン ジェイコブス メディカル インコーポレーテッド | 縫合糸 |
JP2019030680A (ja) * | 2011-12-27 | 2019-02-28 | ワイ.ジェイコブス メディカル インコーポレーテッド | 結び目をつける作業が不要な縫合糸及びそれを含むキット |
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US5403346A (en) * | 1992-12-31 | 1995-04-04 | Loeser; Edward A. | Self-affixing suture assembly |
US5683417A (en) * | 1996-08-14 | 1997-11-04 | Cooper; William I. | Suture and method for endoscopic surgery |
US20030149447A1 (en) * | 2002-02-01 | 2003-08-07 | Morency Steven David | Barbed surgical suture |
US7582105B2 (en) * | 2004-06-30 | 2009-09-01 | Silhouette Lift Societad Limitada | Suture for wound closure, tissue approximation, tissue support, suspension and/or fixation |
BR112012027700B1 (pt) * | 2010-04-29 | 2020-04-07 | Ethicon Endo Surgery Llc | sutura de autorretenção |
KR101556843B1 (ko) * | 2014-02-07 | 2015-10-01 | 홍종수 | 성형용 수술사 |
KR20150107292A (ko) * | 2014-03-14 | 2015-09-23 | 홍종수 | 성형용 수술사를 구비한 성형수술용 바늘 |
KR20160134312A (ko) * | 2015-05-15 | 2016-11-23 | 김현준 | 봉합사용 봉합침 및 이를 구비한 봉합사 조립체 |
KR101874065B1 (ko) * | 2017-04-27 | 2018-07-03 | 휴젤 주식회사 | 성형 시술용 실 |
KR20180134483A (ko) * | 2017-06-09 | 2018-12-19 | 신재숙 | 성형수술용 실 구조체 |
KR101855328B1 (ko) * | 2017-07-27 | 2018-05-08 | (주)리젠바이오참 | 의료용 봉합사 및 그 제조방법 |
KR20190061944A (ko) | 2017-11-28 | 2019-06-05 | 성균관대학교산학협력단 | 미세 구조 표면을 가지는 기능성 수술용 봉합사 및 이의 제조하는 방법 |
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2020
- 2020-03-27 KR KR1020200037302A patent/KR102309056B1/ko active IP Right Grant
- 2020-03-27 US US17/416,755 patent/US20220257237A1/en active Pending
- 2020-03-27 CA CA3153882A patent/CA3153882A1/en active Pending
- 2020-03-27 WO PCT/KR2020/004193 patent/WO2021085761A1/ko active Application Filing
- 2020-03-27 JP JP2021536778A patent/JP7286771B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08140982A (ja) * | 1994-11-21 | 1996-06-04 | Olympus Optical Co Ltd | 医療用縫合器 |
WO2012073944A1 (ja) * | 2010-11-30 | 2012-06-07 | オリンパス株式会社 | 組織結紮デバイス |
JP2014514017A (ja) * | 2011-03-07 | 2014-06-19 | ジョン ジェイコブス メディカル インコーポレーテッド | 縫合糸 |
JP2019030680A (ja) * | 2011-12-27 | 2019-02-28 | ワイ.ジェイコブス メディカル インコーポレーテッド | 結び目をつける作業が不要な縫合糸及びそれを含むキット |
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CA3153882A1 (en) | 2021-05-06 |
JP7286771B2 (ja) | 2023-06-05 |
KR20210052154A (ko) | 2021-05-10 |
US20220257237A1 (en) | 2022-08-18 |
WO2021085761A1 (ko) | 2021-05-06 |
KR102309056B1 (ko) | 2021-10-06 |
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