JP7373207B2 - 眼の状態の矯正に使用するためのシステム、方法、及び材料組成物 - Google Patents
眼の状態の矯正に使用するためのシステム、方法、及び材料組成物 Download PDFInfo
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- JP7373207B2 JP7373207B2 JP2020545243A JP2020545243A JP7373207B2 JP 7373207 B2 JP7373207 B2 JP 7373207B2 JP 2020545243 A JP2020545243 A JP 2020545243A JP 2020545243 A JP2020545243 A JP 2020545243A JP 7373207 B2 JP7373207 B2 JP 7373207B2
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- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00885—Methods or devices for eye surgery using laser for treating a particular disease
- A61F2009/00895—Presbyopia
-
- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00897—Scanning mechanisms or algorithms
-
- 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
- A61F2250/0093—Ultrasound system, e.g. for inducing coagulation during eye surgery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
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Description
HSAコアナノ粒子の製造では、HSA(50.0mg)を1.0mLの精製水(ddH2O)に溶解した。脱溶媒和プロセスの過程でエタノールを添加して、10mg/mlの最終HSA濃度で合計体積を5.0mLとした。140.0μLのDVS(EtOH中5重量/重量%)を添加して、タンパク質鎖の架橋を誘導した。この懸濁液を55℃で1時間撹拌し、続いて超音波浴に20分間入れることによって架橋プロセスを行った。得られたHSAナノ粒子を、次に、3サイクルの分画遠心分離(13500rpm、60分間、4℃の条件)によって精製し、続いて元の体積のddH2Oに再分散させた。各再分散工程は、超音波浴中で10~15分間行った。長期間の保存を可能とするために、及び凝集を回避するために、ナノ粒子を4℃の冷蔵庫中に保存した。
CANマグヘマイトNP((CeLn)3/4+-γ-Fe2O3)の製造を、2種類のFe2+/3+塩の塩基性共沈を含む2段階の手順で行った。この手順では、低酸化状態の出発NP材料としてマグネタイト(Fe3O4)NPが得られ、次にこれを、一電子酸化剤の硝酸セリウムアンモニウム(CAN)で酸化し、(CeLn)3/4+カチオン/複合体NP表面ドーピングによって表面修飾して、6.61±2.04nmサイズの正に帯電した(+45.7mY)CAN-γ-Fe2O3 NPを得た。
角膜上の選択されたパターンに応じて視覚に作用するのに適した屈折率を有する所望されるナノ粒子構造を得るために、この同じDVSを介するNP製造/成分架橋の過程で、ナノスケール成分HSA及びCAN-γ-Fe2O3 NPの両方を、CAN-γ-Fe2O3 NPがHSAナノ複合体粒子中に封入されるように集合させた。この目的のために、ハイブリッドCANマグヘマイト含有HSAナノ粒子を、HSA NPについて上記で述べた手順と同一の手順によって製造した。簡潔に述べると、HSA(1.0mLのddH2O中に50.0mg)に、CAN-γ-Fe2O3 NPを、25:1の重量比で添加し、室温で1時間インキュベートし、続いて脱溶媒和及び架橋プロセスを行った。得られた複合体ナノ粒子を、次に、3サイクルの分画遠心分離(13500rpm、60分間、4℃)によって精製し、磁気的にデカンテーションし(強い外部磁石を用いる)、元の体積のddH2Oに再分散させた。各実施した再分散工程では、処理の前に、反応容器を低出力超音波浴中に15分間入れた。長期間の保存のために、及び凝集を回避するために、ナノ粒子を冷蔵庫中(4℃)に保存した。
DVSを介するNP製造工程の過程で、ナノスケール成分HSA及び6.61±2.04nmのサイズ及び+45.7mVの電位を有する正に帯電したCAN-γ-Fe2O3の両方を、CAN-γ-Fe2O3ナノ粒子をHSA NP中に封入させることによって集合させた。この目的のために、親水性の水混和性CAN-γ-Fe2O3 NPを用いた。ハイブリッドHSA/CAN-γ-Fe2O3 NPを、上記で述べた同じDVSを介するプロセスに基づいて合成した。HSA相及びCAN-γ-Fe2O3 NP相の両方の間の重量比は、HSAナノシェル中へのマグヘマイト複合体の最適な封入の場合に、25:1であることが見出された。一般的に、この重量比は、15:1~40:1の範囲内であってよい。
Claims (19)
- 視覚障害の矯正に用いるためのキットにおいて、当該キットが、
眼の状態の矯正に用いるためのシステムであって、処理ユーティリティ及びエッチングユーティリティを備えるシステム、を備え、
前記処理ユーティリティが、
ユーザーの視覚障害を示す入力データに応じて選択された二次元のパターンを提供するように、及び前記選択された二次元のパターンを、前記エッチングユーティリティによって角膜の表面上に形成するための操作命令を作成するように構成された矯正パターンモジュールを含み、
前記エッチングユーティリティは、ユーザーの前記角膜の表面上に前記選択されたパターンを形成するように構成され、
前記キットが、複数のナノ粒子を含む水溶液を含む材料組成物を有する点眼剤であって、前記ナノ粒子が、生体適合性タンパク質鎖によって包まれたマグヘマイトナノ粒子を含む点眼剤を備える、キット。 - 視覚障害の矯正に用いるためのキットにおいて、当該キットが、
眼の状態の矯正に用いるためのシステムであって、処理ユーティリティ及びパターンユーティリティを備えるシステム、を備え、
前記処理ユーティリティが矯正パターンモジュールを含み、当該矯正パターンモジュールが、ユーザーの視覚障害を示す入力データに応じて選択された二次元のパターンを提供するように、及び前記選択された二次元のパターンを、前記パターンユーティリティによって角膜の表皮層に表面のレリーフの形態で形成するための操作命令を作成して、角膜の形状を変えることなく、目的とする屈折異常の一時的な矯正という光学的効果を提供するように構成され、
前記パターンユーティリティが、ユーザの角膜の表皮層に表面のレリーフの形態で選択された前記パターンを形成するように構成され、
前記キットが、複数のナノ粒子を含む水溶液を含む材料組成物を有する点眼剤であって、前記複数のナノ粒子が生体適合性タンパク質鎖を含み、前記ナノ粒子は、前記パターンの切り込み領域内に分散されたときに、前記パターンによる屈折異常の矯正の光学的効果を安定させかつ向上させるように構成されている、点眼剤を含む、キット。 - 前記ナノ粒子が、角膜の屈折率および/または眼を覆う涙の屈折率とは異なる屈折率を有するように選択されている、請求項1または2に記載のキット。
- 前記ユーザーの角膜上に選択されたパターンをエッチングし、前記眼に前記点眼剤を投与するために前記システムを操作するための説明書を含む、請求項1から3のいずれか1項に記載のキット。
- 家庭での又は医師のクリニックでの使用に適している、請求項1から4のいずれか1項に記載のキット。
- 前記材料組成物が、生体適合性タンパク質鎖によって包まれたマグヘマイトナノ粒子を含み、前記パターンの光学的効果の安定性を高めるように構成されていることにより、光学的矯正効果を、数日間から数ヶ月間にわたって継続させることができる、請求項1から5のいずれか1項に記載のキット。
- 近視、遠視、老視、及び乱視のうちのいずれか1つを矯正するように構成されている、請求項1から6のいずれか1項に記載のキット。
- 前記ナノ粒子が、ユーザーの角膜の表面上皮層上にスタンプされた高性能光学パターンを通して角膜の屈折率を局所的に改変するように構成されている、請求項1から7のいずれか1項に記載のキット。
- ユーザの角膜の表面に選択された前記パターンを形成する前記エッチングユーティリティまたは前記パターンユーティリティが、
前記ユーザーの角膜上に前記パターンをエッチングするための選択された超音波を伝送するための構成、
前記角膜の機械的エッチングを行うための構成、
少なくとも1つのレーザーユニット及びビームステアリングモジュールを備えて、当該レーザーユニット及びビームステアリングモジュールが、ユーザーの眼の角膜上に選択されたパターンを操作命令に応じて形成するための光学エネルギーを提供するように構成された構成、のうちの1つの構成を有する、請求項1から8のいずれか1項に記載のキット。 - ユーザの角膜の表面に選択された前記パターンを形成する前記エッチングユーティリティまたは前記パターンユーティリティが、前記少なくとも1つのレーザーユニット及びビームステアリングモジュールを備え、前記レーザーユニットが、前記角膜の表面から単一細胞層までの深さでエッチングするように構成されている、請求項9に記載のキット。
- 前記二次元のパターンが、回折パターンを含む、請求項1から10のいずれか1項に記載のキット。
- 前記パターンが、フレネルリングパターンを含む、請求項11に記載のキット。
- 前記二次元パターンが、以下の構成:
前記パターンが、位相に作用する干渉パターンを含む;
前記パターンが、焦点深度の拡大を可能にする;
前記パターンが、0.1~0.3ディオプトリの光学度分解能で光学的矯正を可能とする;
のうちの1つの構成を有する、請求項1から12のいずれか1項に記載のキット。 - 前記生体適合性タンパク質鎖が、ヒト血清アルブミンタンパク質を含む、請求項1から13のいずれか1項に記載のキット。
- 視覚障害の矯正に用いるための、請求項1から14のいずれか1項に記載のキット。
- 点眼剤として用いるように構成されている、請求項1から15のいずれか1項に記載のキット。
- 前記ナノ粒子が、硝酸セリウムアンモニウムFe 2 O 3 ナノ粒子を含む、請求項1から16のいずれか1項に記載のキット。
- 前記ナノ粒子が、さらに、1又は複数の選択された薬物を担持するように構成されている、請求項1から17のいずれか1項に記載のキット。
- 前記水溶液が、水、静菌水、塩化ナトリウム溶液、グルコース溶液、液体界面活性剤、およびpH緩衝溶液を含むグループのうちの少なくとも1つから形成されている、請求項1から18のいずれか1項に記載のキット。
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US62/636,936 | 2018-03-01 | ||
PCT/IL2019/050219 WO2019167040A1 (en) | 2018-03-01 | 2019-02-27 | System, method and material composition for use in correction of eye conditions |
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JP2003532484A (ja) | 2000-05-09 | 2003-11-05 | メンフィス アイ アンド カタラクト アソシエーツ アンビュラトリー サージェリー センター(ディー.ビー.エー.)メカ レーザー アンド サージェリー センター | レーザ屈折矯正眼科手術用高解像度高速デジタル超小型鏡装置の制御のための方法及び装置 |
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JP2002517085A (ja) | 1998-05-26 | 2002-06-11 | バー−イラン ユニバーシティ | 磁性金属酸化物ナノ粒子の核生成および成長ならびにその使用 |
JP2003532484A (ja) | 2000-05-09 | 2003-11-05 | メンフィス アイ アンド カタラクト アソシエーツ アンビュラトリー サージェリー センター(ディー.ビー.エー.)メカ レーザー アンド サージェリー センター | レーザ屈折矯正眼科手術用高解像度高速デジタル超小型鏡装置の制御のための方法及び装置 |
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CN117064634A (zh) | 2023-11-17 |
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CN111787879A (zh) | 2020-10-16 |
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