JP4730920B2 - 医療用ナイフ - Google Patents
医療用ナイフ Download PDFInfo
- Publication number
- JP4730920B2 JP4730920B2 JP2009268787A JP2009268787A JP4730920B2 JP 4730920 B2 JP4730920 B2 JP 4730920B2 JP 2009268787 A JP2009268787 A JP 2009268787A JP 2009268787 A JP2009268787 A JP 2009268787A JP 4730920 B2 JP4730920 B2 JP 4730920B2
- Authority
- JP
- Japan
- Prior art keywords
- blade body
- blade
- knife
- guide
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
- A61B2017/32113—Surgical scalpels, knives; Accessories therefor with extendable or retractable guard or blade
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
- A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
- A61B2090/034—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself
Landscapes
- 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
2 ナイフ本体
3 刃体カバー
21 把持部
22 刃体ホルダ部
23 刃体
24 可動部
25 第一突出部(第一係合部)
25a 摺接面(第一摺接面)
26 第二突出部(第二係合部)
26a 摺接面(第二摺接面)
26b 摺接面
26c 摺接面
26d 摺接面
26e 摺接面
27 板バネ部(弾性支持部)
28 ブリッジ部
29 突起部(係止部)
31 案内孔(第一案内部)
31a 案内孔の端部(隅角部)
32 案内溝(第二案内部)
32a 案内溝の底面
33 係合孔
34 ロック溝
34a ロック溝
34b ロック溝
34c ロック溝
34d ロック溝
35 切欠部
36 ストッパー
41 円刃刀
Claims (4)
- 把持部と刃体、及び該刃体を保持する刃体ホルダ部とを有するナイフ本体と、該ナイフ本体の一部を被覆する刃体カバーと、該刃体カバーを前記ナイフ本体に対して刃体を収納する収納位置及び露出する露出位置に係止可能な係止部と、を備える医療用ナイフにおいて、
前記刃体ホルダ部が、前記刃体カバーと係合する第一係合部及び第二係合部を備えると共に前記刃体を保持する可動部と、該可動部を軸直角方向に回動可能に弾性支持する弾性支持部と、を備え、
前記刃体カバーが、前記第一係合部及び第二係合部と係合する第一案内部及び第二案内部を備え、
前記第一係合部は、前記第一案内部と係合して前記可動部を軸方向に案内すると共に、前記第一案内部の隅角部と摺接する第一摺接面を有しその接点を中心に前記可動部を回動させ、
前記第二係合部は、前記第二案内部と係合して前記可動部を軸方向に案内すると共に、前記第二案内部の案内面と段階的に摺接するため角度の異なる複数の平面から成る第二摺接面を有し、これにより前記可動部の回動を案内し、
前記係止部が前記刃体カバーと前記ナイフ本体を前記収納位置と複数の露出位置において係止可能であり、該複数の露出位置において露出した前記刃体が前記第二摺接面の傾斜角度に従って各々異なる角度に傾斜することを特徴とする医療用ナイフ。 - 前記刃体の刃側が、該刃体を露出位置に係止した際に、前記把持部となす角度が小さい側に配置されることを特徴とする請求項1に記載の医療用ナイフ。
- 前記刃体カバーの刃体の露出側端部に、切欠部を設けることを特徴とする請求項1に記載の医療用ナイフ。
- 前記刃体カバーの外周の断面形状が、楕円又はカプセル形状を成すことを特徴とする請求項1に記載の医療用ナイフ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009268787A JP4730920B2 (ja) | 2009-11-26 | 2009-11-26 | 医療用ナイフ |
CN2010800047597A CN102281827A (zh) | 2009-11-26 | 2010-11-26 | 医疗用刀具 |
PCT/JP2010/071076 WO2011065453A1 (ja) | 2009-11-26 | 2010-11-26 | 医療用ナイフ |
EP10833299A EP2505151A1 (en) | 2009-11-26 | 2010-11-26 | Medical knife |
US13/138,048 US20110270291A1 (en) | 2009-11-26 | 2010-11-26 | Medical knife |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009268787A JP4730920B2 (ja) | 2009-11-26 | 2009-11-26 | 医療用ナイフ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011110198A JP2011110198A (ja) | 2011-06-09 |
JP4730920B2 true JP4730920B2 (ja) | 2011-07-20 |
Family
ID=44066557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009268787A Expired - Fee Related JP4730920B2 (ja) | 2009-11-26 | 2009-11-26 | 医療用ナイフ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20110270291A1 (ja) |
EP (1) | EP2505151A1 (ja) |
JP (1) | JP4730920B2 (ja) |
CN (1) | CN102281827A (ja) |
WO (1) | WO2011065453A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8181352B1 (en) * | 2008-12-03 | 2012-05-22 | Shackelford Sr Howard L | Scalpel with removable blade assembly |
JP6302842B2 (ja) * | 2012-01-06 | 2018-04-11 | シン, ジワン スティーブンSINGH, Jiwan Steven | 挿入具および腹腔鏡器具用挿入システム |
US9668807B2 (en) * | 2012-05-01 | 2017-06-06 | Covidien Lp | Simplified spring load mechanism for delivering shaft force of a surgical instrument |
JP5292499B1 (ja) * | 2012-06-04 | 2013-09-18 | 正一 中村 | 医療用ナイフ |
CN102813543B (zh) * | 2012-08-27 | 2014-08-13 | 杭州电子科技大学 | 超声手术刀 |
RU2681066C2 (ru) * | 2014-02-28 | 2019-03-01 | Мани, Инк. | Медицинский нож |
USD740421S1 (en) * | 2014-08-29 | 2015-10-06 | Osteomed Llc | Surgical knife |
JP6456701B2 (ja) * | 2015-01-27 | 2019-01-23 | 株式会社貝印刃物開発センター | 手持ち具 |
US10123815B2 (en) | 2015-02-13 | 2018-11-13 | Precision Engineered Products, Llc | Surgical knife |
CN110974359A (zh) * | 2019-12-30 | 2020-04-10 | 郑州大学第一附属医院 | 一种宫腔镜用多档位镰式手术刀 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2885779A (en) * | 1957-12-13 | 1959-05-12 | Gadget Of The Month Club Inc | Penknife clipper |
US3609864A (en) * | 1969-08-27 | 1971-10-05 | Roy C Bassett | Surgical blade handle |
SE8800833D0 (sv) * | 1988-03-09 | 1988-03-09 | Dan Lundgren | Skalpell |
US5431671A (en) * | 1993-05-28 | 1995-07-11 | Nallakrishnan; Ravi | Surgical knife with retractable and angularly adjustable blade |
JP3914634B2 (ja) * | 1998-04-23 | 2007-05-16 | 泉工医科工業株式会社 | 手根管開放術用起子 |
JP2003038502A (ja) * | 2001-07-27 | 2003-02-12 | Manii Kk | 冠状動脈用血管ナイフ |
JP3980989B2 (ja) * | 2002-10-31 | 2007-09-26 | マニー株式会社 | 血管ナイフ |
ES2390492T3 (es) * | 2006-02-27 | 2012-11-13 | Feather Safety Razor Co., Ltd. | Instrumento afilado |
JP2007228989A (ja) * | 2006-02-27 | 2007-09-13 | Feather Safety Razor Co Ltd | 保護カバー付き刃物 |
JP2008061868A (ja) * | 2006-09-08 | 2008-03-21 | Kai R & D Center Co Ltd | 手持ち道具 |
JP5095163B2 (ja) * | 2006-09-08 | 2012-12-12 | 株式会社貝印刃物開発センター | 手持ち道具 |
US8464430B2 (en) * | 2008-02-07 | 2013-06-18 | Beaver-Visitec International (Us), Inc. | Retractable safety knife |
US8732957B2 (en) * | 2008-04-17 | 2014-05-27 | Martor Kg | Retractile-blade utility knife |
-
2009
- 2009-11-26 JP JP2009268787A patent/JP4730920B2/ja not_active Expired - Fee Related
-
2010
- 2010-11-26 EP EP10833299A patent/EP2505151A1/en not_active Withdrawn
- 2010-11-26 WO PCT/JP2010/071076 patent/WO2011065453A1/ja active Application Filing
- 2010-11-26 US US13/138,048 patent/US20110270291A1/en not_active Abandoned
- 2010-11-26 CN CN2010800047597A patent/CN102281827A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20110270291A1 (en) | 2011-11-03 |
CN102281827A (zh) | 2011-12-14 |
JP2011110198A (ja) | 2011-06-09 |
EP2505151A1 (en) | 2012-10-03 |
WO2011065453A1 (ja) | 2011-06-03 |
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