JPH09508818A - 乱視矯正用の角膜実質内リング - Google Patents
乱視矯正用の角膜実質内リングInfo
- Publication number
- JPH09508818A JPH09508818A JP7516319A JP51631995A JPH09508818A JP H09508818 A JPH09508818 A JP H09508818A JP 7516319 A JP7516319 A JP 7516319A JP 51631995 A JP51631995 A JP 51631995A JP H09508818 A JPH09508818 A JP H09508818A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- cross
- section
- cornea
- relatively large
- 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.)
- Pending
Links
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
- A61F2/147—Implants to be inserted in the stroma for refractive correction, e.g. ring-like implants
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Prostheses (AREA)
- Saccharide Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Materials For Medical Uses (AREA)
- Polyesters Or Polycarbonates (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Display Devices Of Pinball Game Machines (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.角膜を有する眼における乱視矯正用の生体適合性ポリマースプリットリン グであって、該リングが断面を有し、該リングが角膜実質中への導入に適切であ り、そして角膜内で実質的に取り囲むに十分な周囲を有し、そこで、該リングの 断面が、該リングの他の断面よりも比較的広い面積の少なくとも2つの部分を有 し、そして該角膜中で該リングを回転させ得、そして比較的広い面積の部分が約 2°を超える該リングの円弧に対しており、そして該乱視を実質的に矯正するた めに選択される、リング。 2.前記断面が、2つの比較的広い面積の部分を有する、請求項1に記載のリ ング。 3.前記より広い断面の部分が、より狭い面積の部分に移行する領域を有する 、請求項1に記載のリング。 4.前記比較的広い面積の領域が、前記リングの中心から測定された、45°と 約180°を超える角度との間の角度で、該リングの周囲上に間隔をおいて位置す る、請求項2に記載のリング。 5.前記比較的広い面積の2つの部分が、前記リング上の約180°の間隔をお いた該リングの周囲上に位置する、請求項4に記載のリング。 6.前記眼の中に前記リングを配置するための調節手段をさらに有する、請求 項1に記載のリング。 7.前記断面が、比較的広い断面の2つを超える部分を有する、請求項1に記 載のリング。 8.前記比較的広い面積の2つの部分が、前記リングの周囲に非対称に存在す る、請求項2に記載のリング。 9.前記スプリットリングの端部が接続可能である、請求項1に記載のリング 。 10.1種またはそれを超える生理学的に受容可能なポリマーを含む、請求項 1に記載のリング。 11.前記ポリマーがポリメチルメタクリレートを含む、請求項10に記載の リング。 12.膨潤性のポリマーをさらに含有する、請求項10に記載のリング。 13.前記膨潤性のポリマーが、ポリヒドロキシエチルメチルアクリレートお よびポリビニルピロリドンから選択される、請求項12に記載のリング。 14.角膜を有する眼における乱視矯正用の生体適合性ポリマースプリットリ ングであって、該リングが断面を有し、該リングが該角膜を取り囲む予め形成さ れている実質内導路中への導入に適切であり、該角膜内で実質的に取り囲むに十 分な周囲を有し、そこで、該リングの断面が、比較的広い面積の少なくとも1つ の部分を有し、そして該リングが該予め形成されている実質内導路内で回転され 得、そして該角膜中で該リングを回転させ得、そして比較的広い面積の部分が約 2°を超える該リングの円弧に対しており、そして該乱視を実質的に矯正するた めに選択される、リング。 15.前記断面が比較的広い面積の2つの部分を有する、請求項14に記載の リング。 16.前記広い面積の部分がより狭い面積の部分に移行する領域を有する、請 求項14に記載のリング。 17.前記比較的広い面積の領域が、前記リングの中心から測定された45°と 約180°を超える角度との間の角度で、該リングの周囲上に間隔をおいて位置す る、請求項15に記載のリング。 18.前記比較的広い面積の2つの部分が、前記リング上の約180°の間隔を おいた該リングの周囲上に位置する、請求項17に記載のリング。 19.前記眼の中に前記リングを配置するための調節手段をさらに有する、請 求項14に記載のリング。 20.前記断面が、比較的広い断面の2つを超える部分を有する、請求項14 に記載のリング。 21.前記比較的広い面積の2つの部分が、前記リングの周囲に非対称に存在 する、請求項15に記載のリング。 22.前記スプリットリングの端部が接続可能である、請求項14に記載のリ ング。 23.1種またはそれを超える生理学的に受容可能なポリマーを含有する、請 求項14に記載のリング。 24.前記ポリマーがポリメチルメタクリレートを含む、請求項23に記載の リング。 25.膨潤性のポリマーをさらに含有する、請求項23に記載のリング。 26.前記膨潤性のポリマーが、ポリヒドロキシエチルメチルアクリレートお よびポリビニルピロリドンから選択される、請求項25に記載のリング。 27.断面を有するポリマースプリットリングであって、該リングが実質内へ の導入に適切であり、そして角膜の少なくとも一部を取り囲むために適合され、 そして断面を有する、リング。 28.前記リングが部分的に前記角膜を取り囲む、請求項27に記載のリング 。 29.前記断面が比較的広い面積の少なくとも1つの部分を有する、請求項2 8に記載のリング。 30.前記断面が比較的広い面積の2つの部分を有する、請求項28に記載の リング。 31.前記広い面積の部分がより狭い面積の部分に移行する領域を有する、請 求項30に記載のリング。 32.前記眼の中に前記リングを配置するための調節手段をさらに有する、請 求項27に記載のリング。 33.前記断面が、比較的広い断面の2つを超える部分を有する、請求項27 に記載のリング。 34.前記比較的広い面積の2つの部分が、前記リングの周囲に非対称に存在 する、請求項33に記載のリング。 35.1種またはそれを超える生理学的に受容可能なポリマーを含有する、請 求項27に記載のリング。 36.前記ポリマーがポリメチルメタクリレートを含む、請求項35に記載の リング。 37.膨潤性のポリマーをさらに含有する、請求項35に記載のリング。 38.前記膨潤性のポリマーが、ポリヒドロキシエチルメチルアクリレートお よびポリビニルピロリドンから選択される、請求項37に記載のリング。 39.少なくとも10°の角膜を取り囲む、請求項27に記載のリング。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/163,650 US5405384A (en) | 1992-09-03 | 1993-12-06 | Astigmatic correcting intrastromal corneal ring |
US08/163,650 | 1993-12-06 | ||
PCT/US1994/014077 WO1995015719A1 (en) | 1993-12-06 | 1994-12-06 | Astigmatic correcting intrastromal corneal ring |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09508818A true JPH09508818A (ja) | 1997-09-09 |
Family
ID=22590960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7516319A Pending JPH09508818A (ja) | 1993-12-06 | 1994-12-06 | 乱視矯正用の角膜実質内リング |
Country Status (12)
Country | Link |
---|---|
US (1) | US5405384A (ja) |
EP (1) | EP0732891B1 (ja) |
JP (1) | JPH09508818A (ja) |
AT (1) | ATE214900T1 (ja) |
AU (1) | AU700806B2 (ja) |
BR (1) | BR9408262A (ja) |
CA (1) | CA2178478A1 (ja) |
DE (1) | DE69430257T2 (ja) |
IL (1) | IL111891A (ja) |
SG (1) | SG52642A1 (ja) |
TW (1) | TW288974B (ja) |
WO (1) | WO1995015719A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014519903A (ja) * | 2011-05-26 | 2014-08-21 | イメックス クリニック,エセ.エレ. | 基質内セグメント |
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NL8104900A (nl) * | 1981-03-24 | 1982-10-18 | Tennant Jerald Lee | Cirkelvormige keratotomie met inzetstuk voor myopiacorrectie. |
US5188125A (en) * | 1982-01-04 | 1993-02-23 | Keravision, Inc. | Method for corneal curvature adjustment |
US4452235A (en) * | 1982-01-04 | 1984-06-05 | Reynolds Alvin E | Method for corneal curvature adjustment |
FR2556953B1 (fr) * | 1983-12-21 | 1986-05-16 | Hanna Khalil | Appareil chirurgical pour keratotomie radiaire |
AU606315B2 (en) * | 1985-09-12 | 1991-02-07 | Summit Technology, Inc. | Surface erosion using lasers |
US4994081A (en) * | 1986-10-16 | 1991-02-19 | Cbs Lens | Method for locating on a cornea an artificial lens fabricated from a collagen-hydrogel for promoting epithelial cell growth |
US5067961A (en) * | 1988-02-18 | 1991-11-26 | Autogenesis Technologies, Inc. | Non-biodegradable two phase corneal implant and method for preparing same |
US4976719A (en) * | 1988-11-21 | 1990-12-11 | Siepser Steven B | Device used to change corneal curvature |
US4951744A (en) * | 1989-08-16 | 1990-08-28 | Schlumberger Technology Corporation | Angularly shaped unitary structured base strip comprised of a specific material adapted for phasing charges in a perforating gun |
US5089443A (en) * | 1990-05-30 | 1992-02-18 | Prime Computer, Inc. | Method of making a semiconductor heat sink |
US5090955A (en) * | 1990-07-12 | 1992-02-25 | University Of Miami | Gel injection adjustable keratoplasty |
DE69326024T2 (de) * | 1992-09-03 | 2000-02-24 | Keravision Inc | Intrastromaler, kornealer ring zur astigmatismuskorrektur |
-
1993
- 1993-12-06 US US08/163,650 patent/US5405384A/en not_active Expired - Lifetime
-
1994
- 1994-12-06 CA CA002178478A patent/CA2178478A1/en not_active Abandoned
- 1994-12-06 BR BR9408262A patent/BR9408262A/pt not_active Application Discontinuation
- 1994-12-06 EP EP95905866A patent/EP0732891B1/en not_active Expired - Lifetime
- 1994-12-06 AT AT95905866T patent/ATE214900T1/de not_active IP Right Cessation
- 1994-12-06 JP JP7516319A patent/JPH09508818A/ja active Pending
- 1994-12-06 AU AU14317/95A patent/AU700806B2/en not_active Ceased
- 1994-12-06 IL IL11189194A patent/IL111891A/en not_active IP Right Cessation
- 1994-12-06 SG SG1996007271A patent/SG52642A1/en unknown
- 1994-12-06 DE DE69430257T patent/DE69430257T2/de not_active Expired - Lifetime
- 1994-12-06 WO PCT/US1994/014077 patent/WO1995015719A1/en active IP Right Grant
- 1994-12-24 TW TW083112160A patent/TW288974B/zh active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014519903A (ja) * | 2011-05-26 | 2014-08-21 | イメックス クリニック,エセ.エレ. | 基質内セグメント |
Also Published As
Publication number | Publication date |
---|---|
EP0732891B1 (en) | 2002-03-27 |
DE69430257D1 (de) | 2002-05-02 |
DE69430257T2 (de) | 2002-09-05 |
CA2178478A1 (en) | 1995-06-15 |
EP0732891A4 (en) | 1997-06-11 |
EP0732891A1 (en) | 1996-09-25 |
TW288974B (ja) | 1996-10-21 |
IL111891A (en) | 1998-12-06 |
WO1995015719A1 (en) | 1995-06-15 |
US5405384A (en) | 1995-04-11 |
SG52642A1 (en) | 1998-09-28 |
AU700806B2 (en) | 1999-01-14 |
AU1431795A (en) | 1995-06-27 |
IL111891A0 (en) | 1995-03-15 |
BR9408262A (pt) | 1996-12-10 |
ATE214900T1 (de) | 2002-04-15 |
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