JP4212494B2 - 医療用縫合具 - Google Patents
医療用縫合具 Download PDFInfo
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- JP4212494B2 JP4212494B2 JP2004057758A JP2004057758A JP4212494B2 JP 4212494 B2 JP4212494 B2 JP 4212494B2 JP 2004057758 A JP2004057758 A JP 2004057758A JP 2004057758 A JP2004057758 A JP 2004057758A JP 4212494 B2 JP4212494 B2 JP 4212494B2
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- puncture needle
- extraction
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- medical suturing
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- 238000003780 insertion Methods 0.000 claims description 175
- 230000037431 insertion Effects 0.000 claims description 175
- 238000000605 extraction Methods 0.000 claims description 118
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 210000002784 stomach Anatomy 0.000 description 9
- 210000003815 abdominal wall Anatomy 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000007769 metal material Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 3
- 235000013305 food Nutrition 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000021056 liquid food Nutrition 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0482—Needle or suture guides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0485—Devices or means, e.g. loops, for capturing the suture thread and threading it through an opening of a suturing instrument or needle eyelet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods 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
- A61B2017/0472—Multiple-needled, e.g. double-needled, instruments
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
以下、本発明の第1実施形態を図面を用いて説明する。図1ないし図3は、同実施形態に係る医療用縫合具10を示している。この医療用縫合具10は、本発明の保持具を構成する上部保持具11および下部保持具12と、この上部保持具11および下部保持具12に着脱可能に取り付けられる挿入用穿刺針13と取出用穿刺針14とからなる一対の穿刺針と、本発明の係合部材としてのロックパーツ15と、縫合糸16とで構成されている。
図15は、本発明の第2実施形態に係る医療用縫合具20を示している。この医療用縫合具20では、挿入用穿刺針23が四角筒状に形成され、その先端の針先部23aがナイフの刃先のように形成されている。すなわち、この針先部23aは、下端縁部が傾斜状になった薄板状に形成され、その傾斜下端部が尖鋭な針先に形成されている。そして、図16(a)に示したように、挿入用穿刺針23における針先部23aの傾斜上端部側の側面に、幅広上部28aと幅狭下部28bとからなる縦長開口部28が形成されている。
図17は、本発明の第3実施形態に係る医療用縫合具30を示している。この医療用縫合具30では、挿入用穿刺針33が、挿入上部33aと、開口形成部33bと、針先部33cとを接合して構成されており、挿入上部33aと針先部33cとは金属材料で構成され、開口形成部33bは樹脂材料の成形体で構成されている。そして、挿入用穿刺針33全体の形状は、挿入用穿刺針23と同一に形成されている。
図18ないし図20は、本発明の第4実施形態に係る医療用縫合具40を示している。この医療用縫合具40では、保持具を構成する下部保持具42は、前述した下部保持具12,22と同様、略長方形の板状に形成されているが、上部保持具41は、横断面形状が略長方形で縦方向に長い部材で構成されている。この上部保持具41の各側面は、内部側に向って湾曲した曲面に形成され、上部保持具41の中央部41cは上下の部分よりも細くなっている。
Claims (14)
- 基端部から先端側部分に向けて挿通孔が形成された挿入用穿刺針と、
前記挿入用穿刺針と所定間隔を保って略平行に配置される取出用穿刺針と、
前記挿入用穿刺針の基端部から先端側部分を通過したのちに前記取出用穿刺針の先端側部分に係合部を介して係合する縫合糸とを備えた医療用縫合具であって、
前記挿入用穿刺針における前記取出用穿刺針に対向する面に設けられ前記挿通孔と連通する縦長開口部と、
前記挿入用穿刺針の先端側に基端部を位置させて前記挿入用穿刺針の挿通孔内を移動でき、前記挿通孔の所定位置に達したときに、先端部側から傾倒して前記縦長開口部から外部に突出する係合部材と、
前記取出用穿刺針における前記挿入用穿刺針に対向する面に設けられた係合溝とを備え、
前記縫合糸を前記係合部材の基端部に連結し、前記縫合糸が前記係合部材とともに前記挿入用穿刺針の基端部から先端側部分を通過したのちに前記取出用穿刺針の係合溝に係合するようにしたことを特徴とする医療用縫合具。 - 前記係合溝を、前記係合部材を収容できる収容凹部と、前記係合部材の先端部が係合できる被係合部とで構成した請求項1に記載の医療用縫合具。
- 前記係合部材の先端部を、前記係合部材の基端側部分よりも太く形成するとともに、前記挿入用穿刺針の縦長開口部を、前記係合部材の先端部が通過できる幅広基端側部と、前記係合部材の先端部が通過できず前記係合部材の基端側部分が通過できる幅狭先端側部とで構成し、前記取出用穿刺針の係合溝を、前記係合部材の先端部が入ることのできる幅広基端側部と、前記係合部材の先端部が入ることができず前記係合部材の基端側部分が入ることのできる幅狭先端側部とで構成した請求項1または2に記載の医療用縫合具。
- 前記係合部材の先端部を球体で構成し、前記係合部材の基端側部分を前記球体よりも直径が小さな棒体で構成した請求項3に記載の医療用縫合具。
- 前記取出用穿刺針の係合溝における幅広基端側部の表面先端側部に係止用壁を設けて前記係合部材の先端部が前記係合溝の幅広基端側部から外部に外れることを防止した請求項3または4に記載の医療用縫合具。
- 前記挿入用穿刺針における縦長開口部よりも基端側の部分および前記取出用穿刺針における係合溝が形成された部分以外の部分の少なくとも一部を中実部分で構成した請求項1ないし5のうちのいずれか一つに記載の医療用縫合具。
- 前記挿入用穿刺針における少なくとも縦長開口部が形成された部分と、前記取出用穿刺針における少なくとも係合溝が形成された部分との横断面形状を、それぞれコ字状に形成し、互いの開放側部分を対向させた請求項1ないし6のうちのいずれか一つに記載の医療用縫合具。
- 前記挿入用穿刺針と前記取出用穿刺針との針先を、尖鋭な円錐状または先細りの薄板刃状に形成した請求項1ないし7のうちのいずれか一つに記載の医療用縫合具。
- 前記挿入用穿刺針と前記取出用穿刺針との少なくとも一方を、金属部材と樹脂部材とを連結して構成した請求項1ないし8のうちのいずれか一つに記載の医療用縫合具。
- 前記挿入用穿刺針と前記取出用穿刺針とを保持具に取り付けた請求項1ないし9のうちのいずれか一つに記載の医療用縫合具。
- 前記挿入用穿刺針と前記取出用穿刺針とを前記保持具に対して着脱可能にした請求項10に記載の医療用縫合具。
- 前記保持具を手で持つための把持部で構成した請求項10または11に記載の医療用縫合具。
- 前記保持具に対する前記挿入用穿刺針と前記取出用穿刺針との取り付け位置を一定にするための位置決め部を設けた請求項10ないし12のうちのいずれか一つに記載の医療用縫合具。
- 前記保持具に、前記挿入用穿刺針と前記取出用穿刺針とが複数対設けられている請求項10ないし13のうちのいずれか一つに記載の医療用縫合具。
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004057758A JP4212494B2 (ja) | 2004-03-02 | 2004-03-02 | 医療用縫合具 |
AU2005229513A AU2005229513B2 (en) | 2004-03-02 | 2005-03-02 | Medical suturing tool |
BRPI0508402-4A BRPI0508402A (pt) | 2004-03-02 | 2005-03-02 | ferramenta de sutura médica |
PCT/EP2005/002180 WO2005094697A1 (en) | 2004-03-02 | 2005-03-02 | Medical suturing tool |
CNA2005800068215A CN1925794A (zh) | 2004-03-02 | 2005-03-02 | 医用缝合工具 |
EP05715655A EP1720458A1 (en) | 2004-03-02 | 2005-03-02 | Medical suturing tool |
NZ548982A NZ548982A (en) | 2004-03-02 | 2005-03-02 | Medical suturing tool |
CA002555701A CA2555701C (en) | 2004-03-02 | 2005-03-02 | Medical suturing tool |
US10/598,561 US7625386B2 (en) | 2004-03-02 | 2005-03-03 | Medical suturing tool |
IL177190A IL177190A (en) | 2004-03-02 | 2006-08-01 | Medical suturing tool |
NO20064460A NO20064460L (no) | 2004-03-02 | 2006-10-02 | Medisinsk suturverktoy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004057758A JP4212494B2 (ja) | 2004-03-02 | 2004-03-02 | 医療用縫合具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005245591A JP2005245591A (ja) | 2005-09-15 |
JP4212494B2 true JP4212494B2 (ja) | 2009-01-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004057758A Expired - Fee Related JP4212494B2 (ja) | 2004-03-02 | 2004-03-02 | 医療用縫合具 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7625386B2 (ja) |
EP (1) | EP1720458A1 (ja) |
JP (1) | JP4212494B2 (ja) |
CN (1) | CN1925794A (ja) |
AU (1) | AU2005229513B2 (ja) |
BR (1) | BRPI0508402A (ja) |
CA (1) | CA2555701C (ja) |
IL (1) | IL177190A (ja) |
NO (1) | NO20064460L (ja) |
NZ (1) | NZ548982A (ja) |
WO (1) | WO2005094697A1 (ja) |
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2004
- 2004-03-02 JP JP2004057758A patent/JP4212494B2/ja not_active Expired - Fee Related
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2005
- 2005-03-02 EP EP05715655A patent/EP1720458A1/en not_active Withdrawn
- 2005-03-02 CA CA002555701A patent/CA2555701C/en not_active Expired - Fee Related
- 2005-03-02 AU AU2005229513A patent/AU2005229513B2/en not_active Ceased
- 2005-03-02 CN CNA2005800068215A patent/CN1925794A/zh active Pending
- 2005-03-02 NZ NZ548982A patent/NZ548982A/en not_active IP Right Cessation
- 2005-03-02 WO PCT/EP2005/002180 patent/WO2005094697A1/en active Application Filing
- 2005-03-02 BR BRPI0508402-4A patent/BRPI0508402A/pt not_active Application Discontinuation
- 2005-03-03 US US10/598,561 patent/US7625386B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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NZ548982A (en) | 2010-09-30 |
IL177190A (en) | 2011-01-31 |
EP1720458A1 (en) | 2006-11-15 |
CA2555701A1 (en) | 2005-10-13 |
NO20064460L (no) | 2006-10-02 |
US20070293876A1 (en) | 2007-12-20 |
CN1925794A (zh) | 2007-03-07 |
US7625386B2 (en) | 2009-12-01 |
BRPI0508402A (pt) | 2007-07-17 |
WO2005094697A1 (en) | 2005-10-13 |
AU2005229513B2 (en) | 2010-03-11 |
CA2555701C (en) | 2009-05-26 |
AU2005229513A1 (en) | 2005-10-13 |
IL177190A0 (en) | 2006-12-10 |
JP2005245591A (ja) | 2005-09-15 |
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