JP6920002B2 - 眼科用注射装置 - Google Patents
眼科用注射装置 Download PDFInfo
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- JP6920002B2 JP6920002B2 JP2018513827A JP2018513827A JP6920002B2 JP 6920002 B2 JP6920002 B2 JP 6920002B2 JP 2018513827 A JP2018513827 A JP 2018513827A JP 2018513827 A JP2018513827 A JP 2018513827A JP 6920002 B2 JP6920002 B2 JP 6920002B2
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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
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
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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
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
- A61F9/0017—Introducing ophthalmic products into the ocular cavity or retaining products therein implantable in, or in contact with, the eye, e.g. ocular inserts
-
- 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
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
-
- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
- A61M5/16881—Regulating valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/2053—Media being expelled from injector by pressurised fluid or vacuum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
- A61P27/06—Antiglaucoma agents or miotics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M2005/3128—Incorporating one-way valves, e.g. pressure-relief or non-return valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8218—Gas operated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0612—Eyes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/329—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle shaft
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- Heart & Thoracic Surgery (AREA)
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- Ophthalmology & Optometry (AREA)
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- Pain & Pain Management (AREA)
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- Oncology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Description
図2に示される装置と同様の一実施態様に係る装置を製造した。長さ14.75 mmのバルブ本体は、デュロメータ50ショアA(Nusil社、品番MED-4950)のシリコーンゴムから成形した。このバルブ本体は、バルブ密閉要素として作動する直径3.175 mmのステンレス鋼球形ボールならびに直径0.3 mmの針金から作製された直径3.175 mmおよび長さ8.26 mmのバルブ圧縮スプリングが入る大きさに成形した、直径3.43 mmおよび奥行き6.5 mmの近位バルブチャンバーを備えた。直径1.91 mmおよび奥行き2.35 mmの弁座をチャンバーの遠位に組み込み、前記ボールがバルブ密閉要素として作動するように構成したバルブ本体を、バルブスプリングにより弁座に対して押し込んだ。成形したバルブ本体の近位末端に、直径9.25 mmおよび厚さ1.25 mmの圧縮フランジを組み込んだ。バルブ本体の遠位末端には、本体中に圧入された23ゲージの管を受け入れる管腔を配置した。
実施例1に記載の装置を作製した。注入物質として脱イオン水を1 mLシリンジに吸い上げ、このシリンジを、プランジャーチェックバルブのルアー取り付け具に取り付けた。約0.3 mLの水を容器に充填し、プランジャーを近位に後退させて、プランジャースプリングを圧縮した。それによって、装置容器の中の注入物質に力を与えた。注入物質の、遠位カニューレからの流出はなかった。作動ボタンが押し下げられると、遠位カニューレからの水の流出が見られた。作動ボタンを自由にすると、液流が止まった。この動作を繰り返しても、同じ結果が得られた。
実施例1に記載の装置を作製した。網膜下注射を目的として本装置を使用するため、ブタ死体眼を準備した。処置は、視覚化を容易にするために実体顕微鏡下で行った。死体眼の網膜に接近するため、角膜縁で角膜を完全に除去した。実のレンズを、レンズから小帯線維を切り取ることにより注意深く切除した後、眼球からレンズを取り除いた。硝子体を、網膜を後ろに残したまま、ひとまとめに除去した。本装置には、0.1%フルオレセイン溶液を満たし、プランジャーチェックバルブに取り付けた1 mLシリンジを使用して、0.2 mLのフルオレセイン溶液を充填した。遠位カニューレを、網膜組織を通して注意深く挿入し、前進させた。カニューレは、脈絡膜表面を横切って曲がり、組織に沿って短い距離を横切った。
図6および7に示された装置と同類である実施態様の装置を作製した。本装置は、二つの要素で構成された円筒形の筺体、および遠位カニューレ組立品を保持する筺体キャップを備えた。遠位筺体要素は、注入物質を含むカートリッジを受け入れる大きさの内部空洞を、近位末端に備えた。遠位筺体の中に、カートリッジの受け器本体およびバルブ本体から成る組立品を入れた。遠位筺体の外側に、バルブを作動させるために、180度離れて二つの機械的作動レバーを取り付けた。遠位筺体は、外径9.4 mm、内径8.7 mmおよび長さ56.5 mmの真鍮管から作製した。近位筺体要素には、液体充填カートリッジの上から適合する大きさの開放された近位末端、およびカートリッジ内の摺動シールの中に適合する大きさのスプリングを装着したプランジャー組立品を備え、カートリッジの内容物を吐出する力を与えた。近位筺体要素は、外径10.3 mm、内径9.5 mmおよび長さ62 mmの真鍮管から作製され、遠位筺体要素と摺動可能に結合する大きさとした。
Claims (16)
- 本体の遠位末端に固定された中空のカニューレを有する細長い本体;
カニューレを通して送達される注入物質のための容器;
注入物質に注入力を与える力要素を有するプランジャー;
容器とカニューレとの間の流路に配置されたバルブ;および、
バルブの外側にある、バルブに対するバルブ作動機構であって、細長い本体に取り付けられているバルブ作動機構;
を備える眼科用注射装置であって、
使用中、バルブが閉位置にあるとき、注入力が注入物質に加えられ、
バルブ作動機構の作動はバルブを通る流路を開放し、バルブ作動機構の漸進的な作動は注入流量を増加させる、
眼科用注射装置。 - 前記バルブが、
弾性的に変形可能な材料または材料の組み合わせを備える流路;および、
圧縮力を加えてバルブ内の流路を閉鎖する、流路の外側にある機構;
を備え、
バルブ作動機構による圧縮力の軽減は、閉鎖または部分的に閉鎖された形状から、流れ抵抗が低下した形状に流路の弾性を回復させる、
請求項1に記載の眼科用注射装置。 - 前記弾性的に変形可能な材料または材料の組み合わせが、弾性管を含む、請求項2に記載の眼科用注射装置。
- 前記機構が、二つの対抗面間の距離を縮めるように作動するスプリング力と連結している二つの対抗面を備え、当該二つの対抗面は、流路の流れ抵抗を圧縮または増大させるように、流路の対辺に設置される、請求項2または3に記載の眼科用注射装置。
- 前記バルブが、
内部バルブスプリング;
密閉要素;および、
弁座;
を備え、
密閉要素は、バルブスプリングによる密閉力の下で弁座に対して押し付けられ、バルブ作動機構によるバルブに対する外力は、弁座を変形させて流路を形成する、
請求項1に記載の眼科用注射装置。 - 前記バルブが、
内部バルブスプリング;
密閉要素;および、
弁座;
を備え、
密閉要素は、バルブスプリングによる密閉力の下で弁座に対して押し付けられ、少なくとも一つの密閉要素および弁座は磁性体または常磁性体であり、前記作動機構は、移動した場合、密閉要素と弁座との間の流路を開放する磁石を備える、
請求項1に記載の眼科用注射装置。 - さらに、前記容器を充填するためのコネクタ、バルブまたは隔壁を備える、請求項1〜6のいずれか1項に記載の眼科用注射装置。
- 前記カニューレが、0.08 mm〜0.41 mmの外径を有する、請求項1〜6のいずれか1項に記載の眼科用注射装置。
- 前記容器が、使用する前に、装置内に挿入されたカートリッジを備える、請求項1〜6のいずれか1項に記載の眼科用注射装置。
- 前記作動機構が、装置本体の対辺に二つの対抗する機械要素を備え、当該要素を、相互に押し込むことにより作動するように構成された、請求項1〜6のいずれか1項に記載の眼科用注射装置。
- 前記力要素が制動機構と連結している、請求項1〜6のいずれか1項に記載の眼科用注射装置。
- さらに、カニューレの遠位末端に固定された組織接点を備える、請求項1〜6のいずれか1項に記載の眼科用注射装置。
- 前記組織接点が、長さにおいて弾性的に圧縮可能である、請求項12に記載の眼科用注射装置。
- さらに、装置本体と組織接点との間に第二の力要素を備える、請求項12に記載の眼科用注射装置。
- さらに、装置本体と組織接点との間に折り畳み可能要素を備える、請求項12に記載の眼科用注射装置。
- 前記弁座は、溝を含むか、または流路を形成するように構成された非対称弁座である、請求項5または6に記載の眼科用注射装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562220165P | 2015-09-17 | 2015-09-17 | |
| US62/220,165 | 2015-09-17 | ||
| PCT/EP2016/072024 WO2017046358A1 (en) | 2015-09-17 | 2016-09-16 | Ophthalmic injection device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018528835A JP2018528835A (ja) | 2018-10-04 |
| JP2018528835A5 JP2018528835A5 (ja) | 2019-10-24 |
| JP6920002B2 true JP6920002B2 (ja) | 2021-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018513827A Active JP6920002B2 (ja) | 2015-09-17 | 2016-09-16 | 眼科用注射装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11154420B2 (ja) |
| EP (1) | EP3349826B1 (ja) |
| JP (1) | JP6920002B2 (ja) |
| ES (1) | ES2954983T3 (ja) |
| GB (1) | GB2543645B (ja) |
| PL (1) | PL3349826T3 (ja) |
| WO (1) | WO2017046358A1 (ja) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2762536C (en) | 2009-05-18 | 2019-05-21 | Dose Medical Corporation | Drug eluting ocular implant |
| US10206813B2 (en) | 2009-05-18 | 2019-02-19 | Dose Medical Corporation | Implants with controlled drug delivery features and methods of using same |
| US12478503B2 (en) | 2009-05-18 | 2025-11-25 | Glaukos Corporation | Implants with controlled drug delivery features and methods of using same |
| EP2654715B1 (en) | 2010-11-24 | 2017-01-25 | Dose Medical Corporation | Drug eluting ocular implant |
| JP6465490B2 (ja) | 2012-03-26 | 2019-02-06 | グローコス コーポレーション | インプラント送達装置 |
| WO2017040853A1 (en) | 2015-09-02 | 2017-03-09 | Glaukos Corporation | Drug delivery implants with bi-directional delivery capacity |
| US11974945B2 (en) | 2017-08-31 | 2024-05-07 | Aperture In Motion, LLC | Devices and methods for novel retinal irradiance distribution modification to improve and restore vision without producing corneal vitrification |
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| EP3349826A1 (en) | 2018-07-25 |
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