JP5778427B2 - コネクタ及び拡張要素を備える切開バルーン - Google Patents
コネクタ及び拡張要素を備える切開バルーン Download PDFInfo
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- JP5778427B2 JP5778427B2 JP2010550788A JP2010550788A JP5778427B2 JP 5778427 B2 JP5778427 B2 JP 5778427B2 JP 2010550788 A JP2010550788 A JP 2010550788A JP 2010550788 A JP2010550788 A JP 2010550788A JP 5778427 B2 JP5778427 B2 JP 5778427B2
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- parison
- balloon
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
-
- 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
-
- 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
- A61M25/1027—Making of balloon catheters
- A61M25/1029—Production methods of the balloon members, e.g. blow-moulding, extruding, deposition or by wrapping a plurality of layers of balloon material around a mandril
-
- 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
- A61M25/104—Balloon catheters used for angioplasty
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22061—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation for spreading elements apart
-
- 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
- A61M2025/1086—Balloon catheters with special features or adapted for special applications having a special balloon surface topography, e.g. pores, protuberances, spikes or grooves
-
- 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
- A61M25/1027—Making of balloon catheters
-
- 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
- A61M25/1027—Making of balloon catheters
- A61M25/1038—Wrapping or folding devices for use with balloon catheters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
- B29C2049/2017—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements outside the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
- B29L2031/7542—Catheters
- B29L2031/7543—Balloon catheters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Child & Adolescent Psychology (AREA)
- Biophysics (AREA)
- Manufacturing & Machinery (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Mechanical Engineering (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
硬化した領域は従来のバルーンカテーテルによって加えられる拡張圧力に抵抗する傾向にあるので、狭窄の硬化した領域は従来のバルーンを使用して完全に拡張することは困難であり得る。以下に説明する本発明は狭窄の硬化した領域を処理するのに有益であり得るが、特許請求の範囲に記載されている発明は、他の問題も同様に解決し得る。
伸長要素330は第1の有効幅Weeを有することが示されている。第1の有効幅Weeは、本明細書で使用されるように、伸長要素330の最大横寸法を指す。図5は、伸長要素330の最大横寸法が本体部分310の外壁311に接して位置付けられていることを示す。伸長要素330の最大横寸法は該要素330に沿ってそのほかのどこに位置付けられてもよい。伸長要素330はまた、高さHeeによって特徴付けられてもよい。高さHeeは外壁311の基部316から構造的特徴部320の基部317まで及ぶ。基部316は吹込成形中に被る力を軽減する所定の曲率半径で設計されてもよく、それにより、伸長要素330の、本体部分310の壁への吸収を容易にする。
120 コネクタ
130 拡張要素
140 外面、バルーンの表面
150 バルーン
170 シャフト
190 作業径
300 パリソン
310 本体部分
311 バルーンの表面、外壁
312 内壁
313 穴
316 基部
317 基部
320 拡張要素、構造的特徴部
330 伸長要素
500 パリソン
520 伸長要素
530 構造的特徴部
600 ビーズ状構造、構造的特徴部
610 中央ラジアル面
620 伸長要素
710 第2の縁
720 第1の縁
730 鋭い縁
740 伸長要素
745 基部
750 構造的特徴部
800 王冠形状の構造的特徴部
810 伸長要素
900 成形型
1200 バルーン
1205 拡張要素
1206 扁平な縁
1207 丸みを帯びた縁
1208 丸みを帯びた縁
1209 扁平な縁
1210 コネクタ
1220 外面
1250 接合部分領域
1500 被覆物
Claims (4)
- (a)外壁及び内壁を備える実質的には円筒状の本体部分であって、前記本体部分の中心軸線に沿って延在する穴をさらに備える本体部分と、
前記本体部分の前記外壁から離れる方向に突出し、前記本体部分に一体化して成形され、第1の高さ及び第1の有効幅を有する伸長要素と、
前記伸張要素から突出し、前記伸長要素に一体化して成形され、前記伸長要素の前記第1の有効幅より大きい第2の有効幅を有する構造的特徴部と
を備える、前記伸長要素及び前記構造的特徴部が中実とされた、吹込成形用のパリソンを提供するステップと、
(b)前記吹込成形用のパリソンを成形型内に挿入するステップと、
(c)所定量の熱を前記パリソンに加えるステップと、
(d)前記パリソンを長手方向に引き伸ばすステップと、
(e)前記穴に流体圧力をかけて前記本体部分を半径方向に拡張するステップと、
を有し、
前記伸長要素の前記第1の高さ及び第1の有効幅を、前記拡張するステップにおいて前記本体部分が拡張されるときに当該伸長要素が該本体部分に吸収され、前記構造的特徴部の構造的な形態が維持されるようなサイズとしたバルーンを形成する方法。 - 前記パリソンの前記長手方向の引き伸ばし及び前記半径方向の拡張に先立って、前記構造的特徴部を覆う被覆物を配置するステップをさらに含む請求項1に記載の方法。
- ステップ(a)が、前記パリソンの前記本体部分及び前記伸長要素の下部を第1の材料から押し出し、前記伸長要素の上部及び構造的特徴部を前記第1の材料より柔らかくない第2の材料から押し出すことをさらに含む、請求項1に記載の方法。
- 前記パリソンを長手方向に引き伸ばすステップ及び半径方向に拡張するステップが、前記伸長要素をコネクタに変形させ、前記構造的特徴部を拡張要素に変形させる、請求項1に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3617508P | 2008-03-13 | 2008-03-13 | |
| US61/036,175 | 2008-03-13 | ||
| PCT/US2009/036361 WO2009114425A1 (en) | 2008-03-13 | 2009-03-06 | Cutting balloon with connector and dilation element |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015084552A Division JP2015163219A (ja) | 2008-03-13 | 2015-04-01 | コネクタ及び拡張要素を備える切開バルーン |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011513031A JP2011513031A (ja) | 2011-04-28 |
| JP2011513031A5 JP2011513031A5 (ja) | 2012-04-26 |
| JP5778427B2 true JP5778427B2 (ja) | 2015-09-16 |
Family
ID=40668870
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010550788A Active JP5778427B2 (ja) | 2008-03-13 | 2009-03-06 | コネクタ及び拡張要素を備える切開バルーン |
| JP2015084552A Pending JP2015163219A (ja) | 2008-03-13 | 2015-04-01 | コネクタ及び拡張要素を備える切開バルーン |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015084552A Pending JP2015163219A (ja) | 2008-03-13 | 2015-04-01 | コネクタ及び拡張要素を備える切開バルーン |
Country Status (4)
| Country | Link |
|---|---|
| US (4) | US8192675B2 (ja) |
| EP (2) | EP2254645B1 (ja) |
| JP (2) | JP5778427B2 (ja) |
| WO (1) | WO2009114425A1 (ja) |
Families Citing this family (93)
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| CA2464053A1 (en) | 2001-11-09 | 2003-05-22 | Novoste Corporation | Baloon catheter with non-deployable stent |
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2009
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