JP5301809B2 - 眼内レンズ挿入器具 - Google Patents
眼内レンズ挿入器具 Download PDFInfo
- Publication number
- JP5301809B2 JP5301809B2 JP2007285597A JP2007285597A JP5301809B2 JP 5301809 B2 JP5301809 B2 JP 5301809B2 JP 2007285597 A JP2007285597 A JP 2007285597A JP 2007285597 A JP2007285597 A JP 2007285597A JP 5301809 B2 JP5301809 B2 JP 5301809B2
- Authority
- JP
- Japan
- Prior art keywords
- intraocular lens
- push rod
- inner cylinder
- push
- extrusion
- 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
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1662—Instruments for inserting intraocular lenses into the eye
- A61F2/1664—Instruments for inserting intraocular lenses into the eye for manual insertion during surgery, e.g. forceps-like instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/009—Additional features; Implant or prostheses properties not otherwise provided for for single use, e.g. having means for preventing re-use
Description
(1) 光学部と一対のループ状の支持部とを有した眼内レンズを保持するとともに、眼球に設けられた切開創から前記眼内レンズを挿入するための挿入部と、
該挿入部が先端に設けられた筒構造の挿入器具本体と、
前記挿入部から前記眼内レンズを押し出すために前記挿入器具本体の筒内で軸方向に進退移動可能に設けられた押出手段と、
前記挿入器具本体内に固定的に形成され、前記押出手段の軸ぶれを防止するための軸出部と
を備え、
前記押出手段は、
前記眼内レンズの前記光学部を押し出すための押出棒と、
前記支持部との干渉を避けるために前記押出棒の径よりも小さな径にて前記押出棒の先端から所定長さだけ形成される軸状の細身部と、
該細身部の先端に設けられ、前記光学部と当接するヘッド部と
を備え、
前記軸出部は、
前記押出手段の移動工程において前記ヘッド部が前記光学部への当接を開始する時点で、前記押出手段が備える前記押出棒のうち少なくとも前記細身部が接続される前記先端部を嵌合させるとともに、前記細身部を通す内筒を有することを特徴とする。
(2) (1)の眼内レンズ挿入器具において、前記内筒の軸方向の断面形状は,少なくとも所定の軸方向の長さ分,前記押出棒が前記内筒に嵌合可能な形状に形成されることを特徴とする。
(3) (1)又は(2)の眼内レンズ挿入器具において、前記軸出部は,前記挿入部にて保持された眼内レンズの支持部に当接しない位置に配置されることを特徴とする。
10 カートリッジ
20 筒部
30 押出機構部
31 押出棒
31a 細身部
40 眼内レンズ
42 支持部
50 ヘッド
60 軸出部
61 内筒
Claims (3)
- 光学部と一対のループ状の支持部とを有した眼内レンズを保持するとともに、眼球に設けられた切開創から前記眼内レンズを挿入するための挿入部と、
該挿入部が先端に設けられた筒構造の挿入器具本体と、
前記挿入部から前記眼内レンズを押し出すために前記挿入器具本体の筒内で軸方向に進退移動可能に設けられた押出手段と、
前記挿入器具本体内に固定的に形成され、前記押出手段の軸ぶれを防止するための軸出部と
を備え、
前記押出手段は、
前記眼内レンズの前記光学部を押し出すための押出棒と、
前記支持部との干渉を避けるために前記押出棒の径よりも小さな径にて前記押出棒の先端部から所定長さだけ形成される軸状の細身部と、
該細身部の先端に設けられ、前記光学部と当接するヘッド部と
を備え、
前記軸出部は、
前記押出手段の移動工程において前記ヘッド部が前記光学部への当接を開始する時点で、前記押出手段が備える前記押出棒のうち少なくとも前記細身部が接続される前記先端部を嵌合させるとともに、前記細身部を通す内筒を有することを特徴とする眼内レンズ挿入器具。 - 請求項1の眼内レンズ挿入器具において、前記内筒の軸方向の断面形状は,少なくとも所定の軸方向の長さ分,前記押出棒が前記内筒に嵌合可能な形状に形成されることを特徴とする眼内レンズ挿入器具。
- 請求項1又は2の眼内レンズ挿入器具において、前記軸出部は,前記挿入部にて保持された眼内レンズの支持部に当接しない位置に配置されることを特徴とする眼内レンズ挿入器具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007285597A JP5301809B2 (ja) | 2007-11-01 | 2007-11-01 | 眼内レンズ挿入器具 |
EP08018326A EP2055265A1 (en) | 2007-11-01 | 2008-10-20 | Intraocular lens injection instrument |
CNA2008101759343A CN101422400A (zh) | 2007-11-01 | 2008-10-30 | 眼内晶状体注入器械 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007285597A JP5301809B2 (ja) | 2007-11-01 | 2007-11-01 | 眼内レンズ挿入器具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009112355A JP2009112355A (ja) | 2009-05-28 |
JP5301809B2 true JP5301809B2 (ja) | 2013-09-25 |
Family
ID=40352727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007285597A Expired - Fee Related JP5301809B2 (ja) | 2007-11-01 | 2007-11-01 | 眼内レンズ挿入器具 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2055265A1 (ja) |
JP (1) | JP5301809B2 (ja) |
CN (1) | CN101422400A (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101630637B1 (ko) * | 2009-11-17 | 2016-06-15 | 코와 가부시키가이샤 | 안내 렌즈 삽입 기구 |
JP5602437B2 (ja) * | 2010-01-09 | 2014-10-08 | 株式会社ニデック | 眼内レンズ挿入器具 |
EP2343029B1 (en) * | 2010-01-09 | 2015-05-06 | Nidek Co., Ltd. | Intraocular lens injection instrument |
WO2011154971A1 (en) * | 2010-06-10 | 2011-12-15 | Ram Srikanth Mirlay | Phaco visco elastic surgical implement assembly |
CN102283741A (zh) * | 2011-07-14 | 2011-12-21 | 广州卫视博生物科技有限公司 | 折叠式人工玻璃体推注器 |
CN104739545B (zh) * | 2013-12-27 | 2017-11-03 | 爱博诺德(北京)医疗科技有限公司 | 晶体推针浮动型人工晶体推注器 |
CN107072778A (zh) * | 2014-10-22 | 2017-08-18 | 参天制药株式会社 | 眼内透镜用注射器 |
US10588780B2 (en) | 2015-03-04 | 2020-03-17 | Alcon Inc. | Intraocular lens injector |
TWI721069B (zh) * | 2015-12-15 | 2021-03-11 | 日商參天製藥股份有限公司 | 水晶體架及眼內水晶體注射器 |
US10568735B2 (en) | 2017-01-13 | 2020-02-25 | Alcon Inc. | Intraocular lens injector |
US11000367B2 (en) | 2017-01-13 | 2021-05-11 | Alcon Inc. | Intraocular lens injector |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5807400A (en) * | 1992-09-30 | 1998-09-15 | Staar Surgical Company, Inc. | Deformable intraocular lens insertion system |
US6506195B2 (en) * | 1992-09-30 | 2003-01-14 | Staar Surgical Company, Inc. | Deformable intraocular lens insertion system |
US5766181A (en) * | 1996-08-02 | 1998-06-16 | Staar Surgical Company, Inc. | Spring biased deformable intraocular injecting apparatus |
US6010510A (en) * | 1998-06-02 | 2000-01-04 | Alcon Laboratories, Inc. | Plunger |
FR2814360B1 (fr) * | 2000-09-28 | 2002-12-27 | Corneal Ind | Injecteur d'implant intraoculaire souple |
JP3876284B2 (ja) | 2002-05-08 | 2007-01-31 | キヤノンスター株式会社 | 眼内挿入用レンズの挿入器具 |
JP2003325570A (ja) * | 2002-05-08 | 2003-11-18 | Canon Star Kk | 眼内挿入用レンズの挿入システム |
JP4520256B2 (ja) * | 2004-09-06 | 2010-08-04 | 株式会社ニデック | 眼内レンズ挿入器具 |
-
2007
- 2007-11-01 JP JP2007285597A patent/JP5301809B2/ja not_active Expired - Fee Related
-
2008
- 2008-10-20 EP EP08018326A patent/EP2055265A1/en not_active Withdrawn
- 2008-10-30 CN CNA2008101759343A patent/CN101422400A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
EP2055265A1 (en) | 2009-05-06 |
CN101422400A (zh) | 2009-05-06 |
JP2009112355A (ja) | 2009-05-28 |
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