JP2000513950A - 可変的な堅さを有するバルーンカテーテル - Google Patents
可変的な堅さを有するバルーンカテーテルInfo
- Publication number
- JP2000513950A JP2000513950A JP06518406A JP51840694A JP2000513950A JP 2000513950 A JP2000513950 A JP 2000513950A JP 06518406 A JP06518406 A JP 06518406A JP 51840694 A JP51840694 A JP 51840694A JP 2000513950 A JP2000513950 A JP 2000513950A
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- proximal
- distal
- balloon
- guidewire
- 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.)
- Granted
Links
- 229920000642 polymer Polymers 0.000 claims description 24
- 238000005452 bending Methods 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 4
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims 1
- 229920000092 linear low density polyethylene Polymers 0.000 claims 1
- 239000004707 linear low-density polyethylene Substances 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 210000004204 blood vessel Anatomy 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 210000005166 vasculature Anatomy 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000973 chemotherapeutic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
- A61M2025/0079—Separate user-activated means, e.g. guidewires, guide tubes, balloon catheters or sheaths, for sealing off an orifice, e.g. a lumen or side holes, of a catheter
-
- 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1063—Balloon catheters with special features or adapted for special applications having only one lumen used for guide wire and inflation, e.g. to minimise the diameter
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.ガイドワイヤと組み合わせて用いる単一管腔バルブ付きバルーンカテーテル であって、該カテーテルが、近位端および遠位端と、該両端の間を伸びる、ガイ ドワイヤを収容するための管腔とを有する細長い管状本体を有し、該管状本体が 以下のものを有する、カテーテル: (a)該両端の中間に位置し、該遠位端の近位側に位置する、膨張可能なバルー ンセグメント; (b)該近位端と、バルーンとの間に連続的に伸び、0.05mm〜0.13mm程度の壁厚 を有し、そして曲げ係数が5,000psi〜30,000psi(35,000kpa〜210,000kpa)程度 を有するポリマーから作られる、外部同軸状管;および (c)該外部管内で、該近位端から該バルーン近位側の部位にかけて、隣接して 直列に配置された、近位および遠位の内部同軸状ポリマ一性管部分であって、該 近位部が、0.08mm〜0.18mm程度の壁厚を有し、そして220,000psi〜260,000psi( 1,500,000kpa〜1,800,000kpa)程度の曲げ係数を有するポリマーから作られてお り、そして該遠位部が、該近位部ほど堅くないが、該遠位内部管部分から該バル ーンにかけて伸びる該外部管の部分よりも堅い、近位および遠位の内部同軸状ポ リマー性管部分。 2.前記近位部および遠位部が、同一のポリマーから作られており、そして該遠 位部の壁厚が、該近位部の壁厚よりも小さ い、請求項1に記載のカテーテル。 3.前記遠位部の壁厚が、0.05mm〜0.13mmである、請求項2に記載のカテーテル 。 4.前記遠位部が、0.05mm〜0.10mmの壁厚を有し、そして30,000psi〜40,000psi (210,00Okpa〜280,000kpa)程度の曲げ係数を有するポリマーから作られている 、請求項1に記載のカテーテル。 5.前記外部同軸状管の外径が、近位端で0.75mm〜2.00mmであり、そしてバルー ン端で0.08mm〜1.80mmである、請求項1に記載のカテーテル。 6.前記外部管の長さが50cm〜210cmであり、前記近位部の長さが10cm〜70cmであ り、そして前記遠位部の長さが5cm〜20cmである、請求項5に記載のカテーテル 。 7.前記カテーテルの近位端から前記近位内部管部分の遠位端までの距離が、該 カテーテルの長さの50%より長い長さを構成する、請求項1に記載のカテーテル 。 8.前記カテーテルの近位端から前記近位内部管部分の遠位端までの距離が、該 カテーテルの長さの60%より長い長さを構成 する、請求項1に記載のカテーテル。 9.前記外部管が、低密度ポリエチレンから作られており、前記近位部が、ポリ プロピレンから作られており、そして前記遠位部が、直鎖状の低密度ポリエチレ ンから作られている、請求項1に記載のカテーテル。 10.以下のものを組み合わせて有する単一管腔バルーンカテーテルアセンブリ : (a)近位端および遠位端と、該両端の間を伸びる、ガイドワイヤを収容するため の管腔とを有する細長い管状本体を有する単一管腔カテーテルであって、該管状 本体が: (i)該両端の中間に位置する膨張可能なバルーンセグメント; (ii)該近位端とバルーンとの間に連続的に伸び、0.05mm〜0.13mm程度の壁厚を 有し、そして5,000psi〜30,000psi(35,000kpa〜210,000kpa)程度の曲げ係数を 有するポリマーから作られる、外部同軸状管;および (iii)該外部管内で、該近位端から該バルーン近位側の部位にかけて、隣接し て直列に配置された、近位および遠位の内部同軸状ポリマー性管部分であって、 該近位部が、0.08mm〜0.18mm程度の壁厚を有し、そして220,000psi〜260,000psi (1,500,000kpa〜1,800,000kpa)程度の曲げ係数を有するポリマーから作られて おり、該遠位部が、該近位部ほ ど堅くないが、遠位内部管部分から該バルーンにかけて伸びる該外部管の部分よ りも堅い、近位および遠位の内部同軸状ポリマー性管部分、 を有する、カテーテル; (b)該開口端を越えて該管腔を通って軸方向に伸び、該管腔内で軸方向に動かさ れ得る可撓性のあるガイドワイヤ;および (c)該ガイドワイヤ上に保持されたバルブ部材であって、該カテーテルの開口遠 位端から軸方向に間隔を空けている第1の位置と、該バルブ部材が該カテーテル の開口遠位端に対してはめ込まれて該遠位端を塞いでいる第2の位置との間を、 ガイドワイヤの軸方向の動きによって軸方向に動かされ得る、バルブ部材。 11.前記バルブ部材が、前記カテーテルの開口遠位端に対してはめ込まれるた めに、該端に対して引っ張られるような状態で、前記ガイドワイヤの遠位端上に 保持される、請求項10に記載のカテーテルアセンブリ。 12.前記バルブ部材が、前記カテーテルの開口遠位端に対してはめ込まれるた めに、該端に対して押されるような状態で、前記ガイドワイヤの遠位端上に保持 される、請求項10に記載のカテーテルアセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/071,284 | 1993-06-02 | ||
US08/071,284 US5437632A (en) | 1993-06-02 | 1993-06-02 | Variable stiffness balloon catheter |
PCT/US1994/005679 WO1994027668A1 (en) | 1993-06-02 | 1994-05-20 | Variable stiffness balloon catheter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000513950A true JP2000513950A (ja) | 2000-10-24 |
JP3329464B2 JP3329464B2 (ja) | 2002-09-30 |
Family
ID=22100377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51840694A Expired - Lifetime JP3329464B2 (ja) | 1993-06-02 | 1994-05-20 | 可変的な堅さを有するバルーンカテーテル |
Country Status (11)
Country | Link |
---|---|
US (2) | US5437632A (ja) |
EP (1) | EP0701460B1 (ja) |
JP (1) | JP3329464B2 (ja) |
AT (1) | ATE184494T1 (ja) |
AU (1) | AU667783B2 (ja) |
CA (1) | CA2127806C (ja) |
DE (1) | DE69420723T2 (ja) |
DK (1) | DK0701460T3 (ja) |
IL (1) | IL109781A0 (ja) |
TW (1) | TW290464B (ja) |
WO (1) | WO1994027668A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014511233A (ja) * | 2011-02-19 | 2014-05-15 | ホットスパー テクノロジーズ,インコーポレイテッド | 身体管腔内の閉塞を処置するための装置および方法 |
JP2014236994A (ja) * | 2008-07-03 | 2014-12-18 | ホットスパー テクノロジーズ, インコーポレイテッドHotspur Technologies, Inc. | 体管腔内の閉塞部を治療する装置および方法 |
JP2014534861A (ja) * | 2011-10-24 | 2014-12-25 | テレフレックス・メディカル・インコーポレイテッド | 体腔内の閉塞物を処置するための装置及び方法 |
KR101644551B1 (ko) * | 2015-05-11 | 2016-08-03 | 전남대학교산학협력단 | 가이드와이어 및 가이드와이어 시스템 |
US9833599B2 (en) | 2008-07-03 | 2017-12-05 | Hotspur Technologies, Inc. | Apparatus and methods for treating obstructions within body lumens |
Families Citing this family (129)
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- 1994-05-20 EP EP94919185A patent/EP0701460B1/en not_active Expired - Lifetime
- 1994-05-20 AT AT94919185T patent/ATE184494T1/de active
- 1994-05-20 US US08/557,075 patent/US5749849A/en not_active Expired - Lifetime
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- 1994-05-20 DE DE69420723T patent/DE69420723T2/de not_active Expired - Lifetime
- 1994-05-20 AU AU70417/94A patent/AU667783B2/en not_active Ceased
- 1994-05-20 DK DK94919185T patent/DK0701460T3/da active
- 1994-05-24 TW TW083104703A patent/TW290464B/zh active
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JP2014511233A (ja) * | 2011-02-19 | 2014-05-15 | ホットスパー テクノロジーズ,インコーポレイテッド | 身体管腔内の閉塞を処置するための装置および方法 |
JP2014534861A (ja) * | 2011-10-24 | 2014-12-25 | テレフレックス・メディカル・インコーポレイテッド | 体腔内の閉塞物を処置するための装置及び方法 |
KR101644551B1 (ko) * | 2015-05-11 | 2016-08-03 | 전남대학교산학협력단 | 가이드와이어 및 가이드와이어 시스템 |
Also Published As
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CA2127806A1 (en) | 1994-12-03 |
DE69420723D1 (de) | 1999-10-21 |
US5749849A (en) | 1998-05-12 |
TW290464B (ja) | 1996-11-11 |
AU7041794A (en) | 1994-12-20 |
DE69420723T2 (de) | 2000-01-05 |
ATE184494T1 (de) | 1999-10-15 |
WO1994027668A1 (en) | 1994-12-08 |
US5437632A (en) | 1995-08-01 |
IL109781A0 (en) | 1994-08-26 |
EP0701460A1 (en) | 1996-03-20 |
CA2127806C (en) | 1999-12-14 |
EP0701460A4 (en) | 1995-06-20 |
JP3329464B2 (ja) | 2002-09-30 |
DK0701460T3 (da) | 1999-12-20 |
AU667783B2 (en) | 1996-04-04 |
EP0701460B1 (en) | 1999-09-15 |
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