JP2008545511A - 超疎水性表面、超親水性表面、又はその双方を有する医療器具 - Google Patents
超疎水性表面、超親水性表面、又はその双方を有する医療器具 Download PDFInfo
- Publication number
- JP2008545511A JP2008545511A JP2008515974A JP2008515974A JP2008545511A JP 2008545511 A JP2008545511 A JP 2008545511A JP 2008515974 A JP2008515974 A JP 2008515974A JP 2008515974 A JP2008515974 A JP 2008515974A JP 2008545511 A JP2008545511 A JP 2008545511A
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- JP
- Japan
- Prior art keywords
- medical device
- surface region
- superhydrophobic
- superhydrophilic
- superhydrophobic surface
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
-
- 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
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0222—Materials for reducing friction
-
- 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
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0238—General characteristics of the apparatus characterised by a particular materials the material being a coating or protective layer
Abstract
【選択図】図3A
Description
とおりである。
として表される。Sm及びRpmのルーチン測定には、例えば、米国ペンシルバニア州アレンタウン・メディカルセンターサークル4972番地のMicro Photonics社のポータブル表面粗さ計モデルTR200(Portable Surface Roughness Model TR200)が測定機器として市販されている。より詳細な表面トポグラフィは同様にMicro Photonics社から入手可能なミクロ測定3D非接触型形状測定システム(Micromeasure 3D Non-contact Profilometry System)を用いて得ることが可能である。
加水分解
縮合
ポリ(4−スチレンスルホネート)(PSS)、
ナフィオン、
が挙げられる。針様の形態を有する負に帯電した粘土鉱物であるアタパルジャイトを用いて粒子層を形成する。交互積層法において典型であるように、高分子電解質は、希釈溶液/分散液、この場合はメタノールを用いて周囲条件下で堆積される。3つのグループの二重層対を堆積する。第一のグループは担体に隣接しており、幾つかのPDADMA/PSS二重層から成る。これにクレイ粒子とPDADMAの追加の二重層が続き、これにより表面粗さが得られ、フッ素化高分子電解質の二重層、具体的にはナフィオンとPFPVPが続く。アニーリング工程は不要である。得られる表面は140°を超える前進側及び後退側水接触角を、水への含浸から2ヶ月後であっても有していた。
Claims (49)
- (a)超疎水性表面領域と、(b)少なくとも40Aであるデュロメータを有する超親水性表面領域から選択される表面領域を備える医療器具。
- 超疎水性表面領域を備える、請求項1に記載の医療器具。
- 2つ以上の超疎水性表面領域を備える、請求項2に記載の医療器具。
- 前記超疎水性表面領域の前進側及び後退側水接触角が150°以上である、請求項2に記載の医療器具。
- 前記超疎水性表面領域の前進側及び後退側水接触角が160°以上である、請求項2に記載の医療器具。
- 前記超疎水性表面領域が前記医療器具の組織接触面に対応する、請求項2に記載の医療器具。
- 前記超疎水性表面領域が前記医療器具の流体導管の表面に対応する、請求項2に記載の医療器具。
- 前記流体導管が直径250マイクロメートル未満の円筒形管腔部である、請求項7に記載の医療器具。
- 前記流体導管が250マイクロメートル未満の環状間隔の環状空間である、請求項7に記載の医療器具。
- 前記流体導管が体液用の導管である、請求項7に記載の医療器具。
- 前記流体導管が非体液用の導管である、請求項7に記載の医療器具。
- 前記器具が体内医療器具である、請求項2に記載の医療器具。
- 前記器具がバルーンカテーテルである、請求項2に記載の医療器具。
- 前記超疎水性表面領域が前記バルーンの拡張管腔部の内側を被覆している、請求項13に記載の医療器具。
- 前記超疎水性表面領域を流れる拡張用流体のスリップ長さが少なくとも10μmである、請求項14に記載の医療器具。
- 前記超疎水性表面領域を流れる拡張用流体のスリップ長さが少なくとも50μmである、請求項14に記載の医療器具。
- 前記超疎水性表面領域が医療用品と接触するように構成されている、請求項13に記載の医療器具。
- 前記医療用品がガイドワイヤであり、前記超疎水性表面領域が前記バルーンカテーテルのガイドワイヤ管腔部の内側を被覆している、請求項17に記載の医療器具。
- 前記医療用品がステントであり、前記超疎水性表面領域がバルーン表面である、請求項2に記載の医療器具。
- 前記器具が血管カテーテル、尿路カテーテル、ハイドロライザカテーテル、ガイドワイヤ、プルバックシース、左心室補助循環装置、内視鏡、気管内チューブ、注射針から選択される、請求項2に記載の医療器具。
- 前記超疎水性表面領域がテクスチャ加工したフルオロカーボン材料表面である、請求項2に記載の医療器具。
- 前記超疎水性表面領域がテクスチャ加工したフルオロカーボン重合体表面である、請求項2に記載の医療器具。
- 前記表面領域がレーザーアブレーション法又はプラズマエッチング法によってテクスチャ加工される、請求項22に記載の医療器具。
- 前記超疎水性表面領域がその下の担体上に形成されるコーティングに対応する、請求項2に記載の医療器具。
- 前記コーティングが多層コーティングである、請求項24に記載の医療器具。
- 前記コーティングがフルオロカーボン重合体層を備える、請求項24に記載の医療器具。
- 前記フルオロカーボン重合体層がテクスチャ加工した表面上に施される、請求項26に記載の医療器具。
- 前記フルオロカーボン重合体コーティングが、化学気相成長法及びグロー放電堆積法から選択した方法で堆積される、請求項26に記載の医療器具。
- 前記多層コーティングが粒子層を備える、請求項25に記載の医療器具。
- 前記粒子層がカーボンナノチューブ層である、請求項29に記載の医療器具。
- 前記多層コーティングが、電荷が交互になった複数の層を備えている、請求項25に記載の医療器具。
- 電荷が交互になった前記層が、負に帯電した高分子電解質含有層と、正に帯電した高分子電解質含有層と、荷電粒子層を備える、請求項31に記載の医療器具。
- 前記多層コーティングがフッ素化高分子電解質を含む、請求項31に記載の医療器具。
- 前記コーティングがゾル・ゲル層を備える、請求項24に記載の医療器具。
- 前記コーティングが前記ゾル・ゲル層上に本質的に疎水性である層を更に備えている、請求項34に記載の医療器具。
- 少なくとも40Aであるデュロメータを有する超親水性表面領域を備える、請求項1に記載の医療器具。
- 少なくとも40Aであるデュロメータを有する2つ以上の超親水性表面領域を備える、請求項36に記載の医療器具。
- 前記超親水性表面領域の静水接触角が2°以下である、請求項36に記載の医療器具。
- 前記超親水性表面領域の静水接触角が1°以下である、請求項36に記載の医療器具。
- 前記超親水性表面領域が前記医療器具の組織接触表面に対応する、請求項36に記載の医療器具。
- 前記超親水性表面領域が医療用品と接触するように構成されている、請求項36に記載の医療器具。
- 前記器具がバルーンカテーテルである、請求項36に記載の医療器具。
- 前記器具が血管カテーテル、尿路カテーテル、ハイドロライザカテーテル、ガイドワイヤ、プルバックシース、内視鏡、気管内チューブ及び注射針から選択される、請求項36に記載の医療器具。
- 前記超親水性表面領域がその下の担体上の超親水性コーティングに対応する、請求項36に記載の医療器具。
- 前記コーティングが多層コーティングである、請求項44に記載の医療器具。
- 前記コーティングが電荷が交互となった層を備える、請求項45に記載の医療器具。
- 電荷が交互となった前記層が、負に帯電した高分子電解質含有層と正に帯電した高分子電解質含有層を備える、請求項46に記載の医療器具。
- 電荷が交互となった前記層が更に荷電粒子を含む、請求項47に記載の医療器具。
- 前記器具が体内医療器具である、請求項36に記載の医療器具。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/150,082 US20070005024A1 (en) | 2005-06-10 | 2005-06-10 | Medical devices having superhydrophobic surfaces, superhydrophilic surfaces, or both |
PCT/US2006/022497 WO2006135755A2 (en) | 2005-06-10 | 2006-06-09 | Medical devices having superhydrophobic surfaces,superhydrophilic surfaces, or both |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008545511A true JP2008545511A (ja) | 2008-12-18 |
Family
ID=37521460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008515974A Ceased JP2008545511A (ja) | 2005-06-10 | 2006-06-09 | 超疎水性表面、超親水性表面、又はその双方を有する医療器具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070005024A1 (ja) |
EP (1) | EP1890738A2 (ja) |
JP (1) | JP2008545511A (ja) |
CA (1) | CA2624980A1 (ja) |
WO (1) | WO2006135755A2 (ja) |
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Also Published As
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WO2006135755A3 (en) | 2007-12-13 |
US20070005024A1 (en) | 2007-01-04 |
EP1890738A2 (en) | 2008-02-27 |
WO2006135755A2 (en) | 2006-12-21 |
CA2624980A1 (en) | 2006-12-21 |
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