JP2010088792A - 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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- JP2010088792A JP2010088792A JP2008264174A JP2008264174A JP2010088792A JP 2010088792 A JP2010088792 A JP 2010088792A JP 2008264174 A JP2008264174 A JP 2008264174A JP 2008264174 A JP2008264174 A JP 2008264174A JP 2010088792 A JP2010088792 A JP 2010088792A
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- cuff member
- flange portion
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Abstract
【解決手段】カフ部材1は、フランジ部3と、このフランジ部3の一方の面から立設された筒状部4とを有する。フランジ部3及び筒状部4には、生体刺入体(ドライブライン6)を挿通させるための挿通孔5に沿ってスリット2が設けられている。スリット2を押し開けてドライブライン6にカフ部材1を装着した後、閉止部材7を貼り付けてスリット2を閉止する。
【選択図】図1
Description
(A)物理的な応力で拡径させたチューブ(例えばシリコンチューブを指などで引っ張って広げたもの)を被せて応力をキャンセルする方法
(B)熱収縮チューブを被せ、温風送風機や赤外線などで加温して収縮させる方法
(C)熱可塑性ポリウレタンチューブをエタノール又は2−プロパノールに浸漬して10%程度膨潤させ(エタノール又は2−プロパノールに浸漬するだけで膨潤する樹脂であれば何でも可)、これを被せた後に乾燥させることで収縮させる方法
(D)単純にほぼ同一径のチューブを被せ、タイバンドや縫合糸で締める方法
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 スリット
3 フランジ部
4 筒状部
5 挿通孔
6 ドライブライン
7,9 閉止部材
8 縫糸
Claims (6)
- 生体刺入体が挿通される挿通孔を有するカフ部材において、
該挿通孔の長手方向に沿ってスリットが設けられ、該スリットを押し開けて生体刺入体が挿通孔に出し入れ可能となっていることを特徴とするカフ部材。 - 請求項1において、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開口と、
該フランジ部の一方の板面のうち該開口の縁部に連なる筒状部と
を有することを特徴とするカフ部材。 - 請求項2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3のいずれか1項のカフ部材と、該カフ部材の前記挿通孔に挿通された生体刺入体とを有することを特徴とするカフ部材ユニット。
- 請求項4において、前記スリットに被さる閉止部材を備えたことを特徴とするカフ部材ユニット。
- 請求項4又は5において、前記生体刺入体はドライブライン又は送脱血管であることを特徴とするカフ部材ユニット。
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JP2012105721A (ja) * | 2010-11-15 | 2012-06-07 | National Cerebral & Cardiovascular Center | カフ部材及びその製造方法 |
JP2012105720A (ja) * | 2010-11-15 | 2012-06-07 | National Cerebral & Cardiovascular Center | カフ部材の製造方法 |
JP2012105722A (ja) * | 2010-11-15 | 2012-06-07 | National Cerebral & Cardiovascular Center | カフ部材用パッド、パッド凸条の接着方法、及びカフ部材ユニット |
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