JP7431745B2 - 使い捨て内視鏡のためのライトガイドコンポーネントまたはイメージガイドコンポーネント - Google Patents
使い捨て内視鏡のためのライトガイドコンポーネントまたはイメージガイドコンポーネント Download PDFInfo
- Publication number
- JP7431745B2 JP7431745B2 JP2020552310A JP2020552310A JP7431745B2 JP 7431745 B2 JP7431745 B2 JP 7431745B2 JP 2020552310 A JP2020552310 A JP 2020552310A JP 2020552310 A JP2020552310 A JP 2020552310A JP 7431745 B2 JP7431745 B2 JP 7431745B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrule
- light guide
- disposable endoscope
- illumination light
- plastic
- 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.)
- Active
Links
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Images
Classifications
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- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00126—Connectors, fasteners and adapters, e.g. on the endoscope handle optical, e.g. for light supply cables
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- A—HUMAN NECESSITIES
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- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
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- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
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- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
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Landscapes
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- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Astronomy & Astrophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
・TPE-AまたはTPA=熱可塑性コポリアミド
・TPE-EまたはTPC=熱可塑性ポリエステルエラストマー/熱可塑性コポリエステル
・TPE-OまたはTPO=オレフィンベースの熱可塑性エラストマー、好ましくはPP/EPDM
・TPE-SまたはTPS=スチレンブロックコポリマー(SBS、SEBS、SEPS、SEEPSおよびMBS)
・TEP-UまたはTPU=ウレタンベースの熱可塑性エラストマー
・TPE-VまたはTPV=熱可塑性加硫物、またはオレフィンベースの熱可塑性架橋エラストマー、好ましくはPP/EPDM
10 ハンドピース
20 フレキシブル区間
25 シャフト
30 照明ライトガイド
31 ケーブル
32 ファイバ束
33 保護シース
40 近端フェルール
41 光学素子
42 収容区間
43 近端面
44 機械的界面
50 遠端フェルール
51 光学素子
52 収容区間
53 遠端面
54 機械的界面
55 接着領域
56 貫通孔
60 LED
70 カメラチップ
80 LEDコントローラユニット
90 組織表面
100 第1の射出成形工具
110 分離装置
120 第2の射出成形工具
130 第3の射出成形工具
200 マルチルーメンケーブル
210 電気導体
220 石英ファイバ
230 流体ダクト
Claims (19)
- 人体内または動物体内に導入するための使い捨て内視鏡であって、
前記使い捨て内視鏡は、電磁放射を伝達するための少なくとも1つの照明ライトガイド(30)を含み、前記照明ライトガイド(30)は、電磁放射の入射のための近端面(43)と、電磁放射の出射のための遠端面(53)と、を有し、前記遠端面(53)は、カメラチップ(70)を有する使い捨て内視鏡において、
前記照明ライトガイド(30)は、前記近端面(43)を覆う近端フェルール(40)および前記遠端面(53)を覆う遠端フェルール(50)を有し、前記近端フェルール(40)および前記遠端フェルール(50)は、少なくとも部分的にまたは一部の区間で透明なプラスチック部材から成り、
前記透明なプラスチックは、生体親和性があり、かつ/または、1日以内の作用時間について人間または動物の細胞構造に対し細胞毒性がなく、以下から成るグループすなわち、環状オレフィンコポリマー、ポリカーボネート、ポリエチレンテレフタレート、パーフルオロアルコキシポリマー、ポリメチルメタクリレート、ポリメチルメタクリルイミド、エポキシ注型樹脂またはエポキシ接着剤、熱架橋性または紫外線架橋性アクリレート注型樹脂、ポリウレタン注型樹脂、ポリエステル注型樹脂から成るグループの中から、あるいはこれらの混合物および/またはこれらの組み合わせから、選定されており、
前記近端フェルール(40)および前記遠端フェルール(50)は、接着剤によって、前記照明ライトガイド(30)のファイバ束端部またはファイバロッド端部に固定されており、
前記接着剤は、熱硬化性または紫外線光硬化性の接着剤として構成されており、前記接着剤は、使用される前記照明ライトガイド(30)において用いられるファイバまたはファイバコンポーネントのコア材料の屈折率に実質的に相応する光学的屈折率を有しており、前記コア材料の屈折率に対する偏差は、最大で±0.1であり、
前記近端フェルール(40)および前記遠端フェルール(50)の屈折率は、前記接着剤の屈折率よりもごく僅かに小さい、
使い捨て内視鏡。 - 前記近端フェルール(40)および前記遠端フェルール(50)は、前記透明なプラスチックと、前記透明なプラスチックとは、材料、透明度および/または色に関して、少なくとも部分的にまたは一部の区間で異なるさらなるプラスチックと、から成る、
請求項1記載の使い捨て内視鏡。 - 前記照明ライトガイド(30)の前記近端面(43)および/または前記遠端面(53)の前記透明なプラスチックは、1.0μm以下の表面粗面度Raを有する、
請求項1または2記載の使い捨て内視鏡。 - 前記照明ライトガイド(30)の前記近端面(43)または前記遠端面(53)の前記透明なプラスチックは、使用される前記照明ライトガイド(30)において用いられるファイバまたはファイバコンポーネントのコア材料の屈折率に実質的に相応する屈折率を有しており、前記コア材料の屈折率に対する偏差は、最大で±0.1である、
請求項1から3までのいずれか1項記載の使い捨て内視鏡。 - 前記照明ライトガイド(30)は、グラスファイバ、石英ファイバまたはプラスチックファイバから成る1つのファイバ束(32)から、かつ/または、グラスファイバ、石英ファイバまたはプラスチックファイバから成る複数の個別ファイバから成り、前記照明ライトガイド(30)は、少なくとも部分的にまたは一部の区間で、外被部、チューブ、収縮チューブまたはメッシュチューブ織布によって取り囲まれており、または、前記使い捨て内視鏡(1)のシャフト(25)によって保護されている、
請求項1から4までのいずれか1項記載の使い捨て内視鏡。 - 前記外被部は、さらなるプラスチック材料から成り、押出成形されたケーブル(31)の外被部として構成されている、
請求項5記載の使い捨て内視鏡。 - 前記押出成形された外被部のための前記プラスチックは、少なくとも部分的にまたは一部の区間で半透明な、不透明な、または着色されたプラスチックから成る、
請求項6記載の使い捨て内視鏡。 - 前記照明ライトガイド(30)は、フレキシブルまたはセミフレキシブルなファイバ束から成り、前記外被部は、少なくとも部分的にまたは一部の区間でリジッドなシースとして構成されている、
請求項5から7までのいずれか1項記載の使い捨て内視鏡。 - 前記照明ライトガイド(30)は、延伸されたファイバロッドまたはプレスされたファイバロッドから成り、リジッドな照明ライトガイド(30)を形成している、
請求項1から8までのいずれか1項記載の使い捨て内視鏡。 - 前記プレスされたファイバロッドは、鉛フリーもしくは重金属フリーのコアガラスおよびクラッドガラスから成る、
請求項9記載の使い捨て内視鏡。 - 前記プレスされたファイバロッドは、前記電磁放射に対し80°よりも大きい受光角2αを有するガラス系から成る、
請求項9記載の使い捨て内視鏡。 - 前記遠端フェルール(50)は、ファイバ束(32)を収容するための収容区間(52)を有しており、前記収容区間(52)は、最初は円錐状である区間から、実質的に平行に配置された側壁を有する区間へと連通しており、前記遠端フェルール(50)は、さらに、前記カメラチップ(70)のための収容部を有しており、前記収容区間(52)は、前記収容部の領域を少なくとも一部の領域で取り囲んでいる、
請求項11記載の使い捨て内視鏡。 - 前記近端面(43)は、LED(60)またはレーザダイオードの形態の能動電子素子を有しており、前記能動電子素子は、前記近端フェルール(40)に組み込まれる、または、前記近端フェルール(40)に係止結合により差し込まれる、
請求項1から12までのいずれか1項記載の使い捨て内視鏡。 - 前記近端面(43)における前記能動電子素子をカバーするために、ガラスまたはプラスチックから成る付加的な部材が設けられている、
請求項13記載の使い捨て内視鏡。 - 前記近端フェルール(40)および/または前記遠端フェルール(50)に、特定のビーム成形を達成するための光学素子が設けられており、前記光学素子は、平坦な面、凸面、凹面、またはトポグラフィに関して任意に構成された自由曲面を有する、
請求項1から14までのいずれか1項記載の使い捨て内視鏡。 - 前記照明ライトガイド(30)のための押出成形されたケーブル(31)は、ハイブリッドケーブルとして構成されている、
請求項1から15までのいずれか1項記載の使い捨て内視鏡。 - 前記ハイブリッドケーブルはマルチルーメンケーブル(200)として構成されており、前記マルチルーメンケーブル(200)により、ファイバ束(32)、個別の石英ファイバ(220)、流体ダクト(230)内のガスまたは液体の形態の媒体、および/または、電気導体(210)を別個に案内される、
請求項16記載の使い捨て内視鏡。 - 前記マルチルーメンケーブル(200)は、前記使い捨て内視鏡(1)のフレキシブルな区間(20)を形成しており、または、前記マルチルーメンケーブル(200)は、室温でリジッドなプラスチックから成り、前記使い捨て内視鏡(1)のリジッドなシャフト(25)を形成している、
請求項17記載の使い捨て内視鏡。 - 前記ハイブリッドケーブルまたは前記マルチルーメンケーブル(200)は、押出成形プロセスにおいて一部の区間で透明または不透明に構成されている、
請求項17または18記載の使い捨て内視鏡。
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US11510553B2 (en) | 2022-11-29 |
DE102018107523A1 (de) | 2019-10-02 |
EP3773127A1 (de) | 2021-02-17 |
US20210022588A1 (en) | 2021-01-28 |
WO2019185645A1 (de) | 2019-10-03 |
JP2021517049A (ja) | 2021-07-15 |
JP2024010148A (ja) | 2024-01-23 |
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