JP4790215B2 - 磁気共鳴視感度向上材料を有する医療装置 - Google Patents
磁気共鳴視感度向上材料を有する医療装置 Download PDFInfo
- Publication number
- JP4790215B2 JP4790215B2 JP2003546961A JP2003546961A JP4790215B2 JP 4790215 B2 JP4790215 B2 JP 4790215B2 JP 2003546961 A JP2003546961 A JP 2003546961A JP 2003546961 A JP2003546961 A JP 2003546961A JP 4790215 B2 JP4790215 B2 JP 4790215B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic resonance
- medical device
- hydrophilic polymer
- paramagnetic
- resonance visibility
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- A61L29/18—Materials at least partially X-ray or laser opaque
-
- 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
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/18—Materials at least partially X-ray or laser opaque
Description
110・・・支持台
120・・・磁界発生器
130・・・磁界勾配発生器
140・・・RF発生源
150・・・装置(カテーテル)
160・・・外部RF受信機
170・・・撮像追跡制御器
180・・・導体
190・・・表示手段
200・・・磁気共鳴カテーテル
210・・・長尺本体
410・・・外周部
420・・・軸
430・・・内腔
435・・・管状カテーテル本体
440・・・同軸層
445・・・同軸外部保護層
450・・・磁気共鳴材料
Claims (19)
- 磁気共鳴撮影処理中の内腔内操作のための長尺医療装置であって、
内側面および外側面を有する管状長尺本体(435)と、
該管状長尺本体(435)の該内側面に配置された第1の磁気共鳴視感度向上材料(450)と、
該管状長尺本体(435)の該外側面に配置された第2の磁気共鳴視感度向上材料(450)と
を含み、
該第1の磁気共鳴視感度向上材料(450)および該第2の磁気共鳴視感度向上材料(450)は、常磁性イオンを組み込んでいる親水性ポリマーを含む、長尺医療装置。 - 前記常磁性イオンを有する親水性ポリマーが、常磁性金属塩を含む、請求項1の長尺医療装置。
- 前記常磁性イオンを有する親水性ポリマーが、常磁性金属キレートを含む、請求項1の長尺医療装置。
- 前記常磁性イオンを有する親水性ポリマーが、常磁性金属複合物を含む、請求項1の長尺医療装置。
- 前記常磁性イオンを有する親水性ポリマーが、ガドリニウム材料を含む、請求項1の長尺医療装置。
- 前記常磁性イオンを有する親水性ポリマーが、ガドリニウムジエチレントリアミンペンタ酢酸材料を含む、請求項1の長尺医療装置。
- 前記親水性ポリマーが、
ポリエチレンオキシド、ポリプロピレンオキシド、ポリビニルピロリドン、親水性ポリウレタン、ポリカルボン酸、セルロースポリマー、ゼラチン、無水マレイン酸ポリマー、ポリアミド、ポリビニルアルコール、ポリエチレンオキシド、およびポリアクリル酸からなるグループから選択される、請求項1の長尺医療装置。 - 能動的磁気共鳴撮影能力の向上を提供する装置アンテナをさらに含む、請求項1の長尺医療装置。
- 装置アンテナとして動作するように構成され、能動的MRI画像の向上を提供する補強機構をさらに備えている、請求項1の長尺医療装置。
- 前記第1の磁気共鳴視感度向上材料(450)および前記第2の磁気共鳴視感度向上材料(450)が、
ナイロン、PEBAX、ポリウレタン、ポリエチレン、PEEK、ポリイミド、ポリエステルアミドコポリマー、およびポリエーテルアミドコポリマーからなるグループから選択されたポリマーをさらに含む、請求項1の長尺医療装置。 - 磁気共鳴撮影処理中の内腔内操作のための長尺医療装置の構成方法であって、
1)内側面および外側面を有する管状長尺本体(435)を提供すること、
2)常磁性イオンを組み込んでいる親水性ポリマーを含む磁気共鳴視感度向上材料(450)を提供することと、
3)押し出し成型によって、該管状長尺本体(435)の該内側面および該外側面の両方に該磁気共鳴視感度向上材料(450)を配置することと
を含む、方法。 - 前記配置することが、前記磁気共鳴視感度向上材料(450)を前記管状長尺本体(435)の前記内側面および前記外側面の両方に同時に配置することを含む、請求項11に記載の方法。
- 前記磁気共鳴視感度向上材料(450)が、
ナイロン、PEBAX、ポリウレタン、ポリエチレン、PEEK、ポリイミド、ポリエステルアミドコポリマー、およびポリエーテルアミドコポリマーからなるグループから選択されたポリマーをさらに含む、請求項11に記載の方法。 - 磁気共鳴撮影処理中の内腔内操作のための長尺医療装置の構成方法であって、
1)ナイロン、PEBAX、ポリウレタン、ポリエチレン、PEEK、ポリイミド、ポリエステルアミドコポリマー、およびポリエーテルアミドコポリマーからなるグループから選択された第1の材料を提供すること、
2)磁気共鳴視感度向上材料(450)を提供することと、
3)該第1の材料および該磁気共鳴視感度向上材料(450)を管状長尺本体の形で共押し出し成型することと
を含み、
該磁気共鳴視感度向上材料(450)が、内側層および外側層を形成し、該第1の材料は、該磁気共鳴視感度向上材料(450)の該内側層および該外側層の間の中間の層(435)を形成する、方法。 - 前記磁気共鳴視感度向上材料(450)が、
ナイロン、PEBAX、ポリウレタン、ポリエチレン、PEEK、ポリイミド、ポリエステルアミドコポリマー、およびポリエーテルアミドコポリマーからなるグループから選択されたポリマーをさらに含む、請求項14に記載の方法。 - 前記医療装置に少なくとも1つの最終被覆を適用し、その結果、前記磁気共鳴視感度向上材料(450)の少なくとも1つの部分が露出したままとなるようにすることをさらに含む、請求項11または14に記載の方法。
- 前記医療装置に前記少なくとも1つの最終被覆を提供することが、該医療装置に滑らかな被覆を適用することを含む、請求項16に記載の方法。
- 前記医療装置に前記少なくとも1つの最終被覆を提供することが、該医療装置に治療薬品を含有する被覆を適用することを含む、請求項16に記載の方法。
- 前記磁気共鳴視感度向上材料(450)の前記親水性ポリマーを架橋することをさらに含む、請求項11または14に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/995,528 | 2001-11-27 | ||
US09/995,528 US20030100829A1 (en) | 2001-11-27 | 2001-11-27 | Medical devices with magnetic resonance visibility enhancing material |
PCT/US2002/028202 WO2003045462A1 (en) | 2001-11-27 | 2002-09-05 | Medical devices with magnetic resonance visibility enhancing material |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005531335A JP2005531335A (ja) | 2005-10-20 |
JP2005531335A5 JP2005531335A5 (ja) | 2009-09-10 |
JP4790215B2 true JP4790215B2 (ja) | 2011-10-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003546961A Expired - Fee Related JP4790215B2 (ja) | 2001-11-27 | 2002-09-05 | 磁気共鳴視感度向上材料を有する医療装置 |
Country Status (9)
Country | Link |
---|---|
US (2) | US20030100829A1 (ja) |
EP (1) | EP1465682B1 (ja) |
JP (1) | JP4790215B2 (ja) |
AT (1) | ATE429939T1 (ja) |
AU (1) | AU2002332847A1 (ja) |
CA (1) | CA2468105A1 (ja) |
DE (1) | DE60232190D1 (ja) |
ES (1) | ES2326162T3 (ja) |
WO (1) | WO2003045462A1 (ja) |
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-
2001
- 2001-11-27 US US09/995,528 patent/US20030100829A1/en not_active Abandoned
-
2002
- 2002-09-05 WO PCT/US2002/028202 patent/WO2003045462A1/en active Application Filing
- 2002-09-05 AU AU2002332847A patent/AU2002332847A1/en not_active Abandoned
- 2002-09-05 DE DE60232190T patent/DE60232190D1/de not_active Expired - Lifetime
- 2002-09-05 AT AT02803959T patent/ATE429939T1/de not_active IP Right Cessation
- 2002-09-05 JP JP2003546961A patent/JP4790215B2/ja not_active Expired - Fee Related
- 2002-09-05 ES ES02803959T patent/ES2326162T3/es not_active Expired - Lifetime
- 2002-09-05 EP EP02803959A patent/EP1465682B1/en not_active Expired - Lifetime
- 2002-09-05 CA CA002468105A patent/CA2468105A1/en not_active Abandoned
-
2005
- 2005-06-13 US US11/151,044 patent/US20050255046A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20050255046A1 (en) | 2005-11-17 |
CA2468105A1 (en) | 2003-06-05 |
JP2005531335A (ja) | 2005-10-20 |
ES2326162T3 (es) | 2009-10-02 |
EP1465682B1 (en) | 2009-04-29 |
US20030100829A1 (en) | 2003-05-29 |
DE60232190D1 (de) | 2009-06-10 |
EP1465682A1 (en) | 2004-10-13 |
WO2003045462A1 (en) | 2003-06-05 |
AU2002332847A1 (en) | 2003-06-10 |
ATE429939T1 (de) | 2009-05-15 |
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