JP2009028150A - カフ部材及びカフ部材ユニット - Google Patents
カフ部材及びカフ部材ユニット Download PDFInfo
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- JP2009028150A JP2009028150A JP2007193448A JP2007193448A JP2009028150A JP 2009028150 A JP2009028150 A JP 2009028150A JP 2007193448 A JP2007193448 A JP 2007193448A JP 2007193448 A JP2007193448 A JP 2007193448A JP 2009028150 A JP2009028150 A JP 2009028150A
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- cuff member
- flange portion
- porous
- annular body
- resin
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- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/0293—Catheter, guide wire or the like with means for holding, centering, anchoring or frictionally engaging the device within an artificial lumen, e.g. tube
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Abstract
【解決手段】カフ部材ユニット1を構成するカフ部材2のフランジ部3にチューブ6が挿通されている。フランジ部3の台状部3bとチューブ6との隅角部に柔軟な合成樹脂材料よりなる環状体5が設けられている。
【選択図】図1
Description
両刃カミソリで切断した試料の平面(切断面)を電子顕微鏡(トプコン社製、SM200)にて撮影した写真を使用して、同一平面上の個々の孔を三次元網状構造の骨格から包囲された図形として画像処理(画像処理装置はニレコ社のLUZEX APを使用し、画像取り込みCCDカメラはソニー株式会社のLE N50を使用。)し、個々の図形の面積を測定する。これを真円面積とし、対応する円の直径を求め孔径とする。ただし、多孔体形成時の相分離の効果によって、多孔体の骨格部分に穿孔されている微細孔は無視して同一平面上の連通孔のみを測定する。
多孔質構造体を約10mm×10mm×3mmの直方体に両刃カミソリで切断し、投影機(Nikon,V−12)にて測定して得た寸法より体積を求め、その重量を体積で除した値から見かけ密度を求める。
2 カフ部材
3 フランジ部
4 筒状部
5,5A,5B,5C,5D,5E 環状体
6、6C、6D チューブ
9 型枠
10 線状体
Claims (7)
- 生体の外面に重なるフランジ部と、
該フランジ部に設けられた生体刺入管挿通用の開口とを有するカフ部材において、
該フランジ部の一方の板面のうち該開口の縁部に固着されており、前記開口と同軸の生体刺入管挿通孔を有した環状体を備えたことを特徴とするカフ部材。 - 請求項1において、該環状体は、該フランジ部から離隔するほど外径が小さくなる形状であることを特徴とするカフ部材。
- 請求項2において、環状体の底辺の外径が前記フランジ部の平均直径の10〜100%であり、環状体の高さが環状体底面の平均直径の1/2〜1/50倍であることを特徴とするカフ部材。
- 請求項1ないし3のいずれか1項において、該フランジ部の該一方の板面のうち前記開口の縁部がその外周囲よりも突出した台状部となっており、前記環状体は該台状部に固着されていることを特徴とするカフ部材。
- 請求項1ないし4のいずれか1項において、前記フランジ部は連通性のある多孔性三次元網状構造よりなることを特徴とするカフ部材。
- 請求項1ないし5のいずれか1項のカフ部材と、該カフ部材に挿通された生体刺入管とからなるカフ部材ユニット。
- 請求項6において、前記環状体は前記生体刺入管に固着されていることを特徴とするカフ部材ユニット。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011161144A (ja) * | 2010-02-15 | 2011-08-25 | National Cerebral & Cardiovascular Center | カフ部材及びカフ部材ユニット |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02104058U (ja) * | 1989-02-03 | 1990-08-17 | ||
US5242415A (en) * | 1992-08-14 | 1993-09-07 | L-Vad Technology, Inc. | Percutaneous access device |
WO2005084742A1 (ja) * | 2004-03-08 | 2005-09-15 | Japan As Represented By President Of National Cardiovascular Center | カフ部材 |
WO2006032904A2 (en) * | 2004-09-23 | 2006-03-30 | The University Of Nottingham | Medical devices and methods of making medical devices |
-
2007
- 2007-07-25 JP JP2007193448A patent/JP2009028150A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02104058U (ja) * | 1989-02-03 | 1990-08-17 | ||
US5242415A (en) * | 1992-08-14 | 1993-09-07 | L-Vad Technology, Inc. | Percutaneous access device |
WO2005084742A1 (ja) * | 2004-03-08 | 2005-09-15 | Japan As Represented By President Of National Cardiovascular Center | カフ部材 |
WO2006032904A2 (en) * | 2004-09-23 | 2006-03-30 | The University Of Nottingham | Medical devices and methods of making medical devices |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011161144A (ja) * | 2010-02-15 | 2011-08-25 | National Cerebral & Cardiovascular Center | カフ部材及びカフ部材ユニット |
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