JPWO2021049261A5 - - Google Patents
Download PDFInfo
- Publication number
- JPWO2021049261A5 JPWO2021049261A5 JP2021545185A JP2021545185A JPWO2021049261A5 JP WO2021049261 A5 JPWO2021049261 A5 JP WO2021049261A5 JP 2021545185 A JP2021545185 A JP 2021545185A JP 2021545185 A JP2021545185 A JP 2021545185A JP WO2021049261 A5 JPWO2021049261 A5 JP WO2021049261A5
- Authority
- JP
- Japan
- Prior art keywords
- balloon
- tubular object
- manufacturing
- distance
- catheter according
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 claims 10
- 238000000034 method Methods 0.000 claims 10
- 239000011248 coating agent Substances 0.000 claims 5
- 238000000576 coating method Methods 0.000 claims 5
- 230000008602 contraction Effects 0.000 claims 3
- 238000002360 preparation method Methods 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
Claims (9)
遠近方向に延在する空間部を内部に有する筒状物を準備する筒状物準備工程と、
前記バルーンを準備するバルーン準備工程と、
前記筒状物内に前記バルーンを配置し、前記バルーンの内部を加圧して前記バルーンを膨張させるバルーン配置工程と、
前記バルーンの内部を減圧し、前記バルーンを収縮させて羽根形状部を形成するバルーン収縮工程と、を有しており、
前記バルーン配置工程での、前記筒状物の遠近方向に垂直な断面において、前記筒状物は、前記筒状物の内腔の外形を輪郭とする図の図心から前記筒状物の内側面までの距離が最も短い部分と、前記筒状物の内腔の外形を輪郭とする図の図心から前記筒状物の内側面までの距離が最も長い部分とを有し、
前記筒状物の内腔の外形を輪郭とする図の図心から前記筒状物の内側面までの距離が最も短い部分までの距離は、前記筒状物の内腔の外形を輪郭とする図の図心から前記筒状物の内側面までの距離が最も長い部分までの距離の６０％以上９５％以下であることを特徴とするバルーンカテーテルの製造方法。 A method for manufacturing a balloon catheter having a shaft extending in the perspective direction and a balloon provided on the distal side of the shaft.
A tubular object preparation process that prepares a cylindrical object that has a space that extends in the perspective direction inside,
The balloon preparation process for preparing the balloon and
A balloon placement step of arranging the balloon in the tubular object and pressurizing the inside of the balloon to inflate the balloon.
It has a balloon contraction step of depressurizing the inside of the balloon and contracting the balloon to form a blade-shaped portion.
In the cross section perpendicular to the perspective direction of the cylindrical object in the balloon placement step, the tubular object is inside the tubular object from the center of the figure whose outline is the outer shape of the cavity of the tubular object. It has a portion having the shortest distance to the side surface and a portion having the longest distance from the center of the figure, which outlines the outer shape of the cavity of the tubular object, to the inner surface of the tubular object.
The distance from the center of the figure whose contour is the outer shape of the lumen of the tubular object to the portion where the distance from the inner surface of the tubular object is the shortest is defined by the outer shape of the lumen of the tubular object. A method for manufacturing a balloon catheter, characterized in that the distance from the center of the figure to the inner surface of the tubular object is 60 % or more and 95% or less of the distance to the longest portion.
前記筒状物の内腔の外形を輪郭とする図の図心から前記筒状物の内側面までの距離が最も短い部分に位置している前記バルーンの部分が隣接する複数の前記羽根形状部の間の谷部となる請求項１に記載のバルーンカテーテルの製造方法。 In the balloon contraction step, the portion of the balloon located at the portion where the distance from the center of the figure whose contour is the outer shape of the lumen of the tubular object to the inner surface of the tubular object is the longest is the blade. It becomes the tip of the shape part
A plurality of blade-shaped portions adjacent to the balloon portion located at the portion where the distance from the center of the figure having the outer shape of the lumen of the tubular object to the inner surface of the tubular object is the shortest . The method for manufacturing a balloon catheter according to claim 1, which is a valley between the two.
前記バルーン収縮工程の前に、前記溝部の内部に前記突出部を配置する突出部配置工程を有している請求項３または４に記載のバルーンカテーテルの製造方法。 The balloon has a balloon body and a protrusion formed on the outer surface of the balloon body.
The method for manufacturing a balloon catheter according to claim 3 or 4, further comprising a protrusion arranging step of arranging the protrusion inside the groove before the balloon contraction step.
前記溝部の数は、前記突出部の数と等しい請求項５または６に記載のバルーンカテーテルの製造方法。 The number of the protrusions is plural,
The method for manufacturing a balloon catheter according to claim 5 or 6, wherein the number of grooves is equal to the number of protrusions.
前記突出部の頂部の親水性コーティングを除去するコーティング除去工程を有する請求項５～７のいずれか一項に記載のバルーンカテーテルの製造方法。 The balloon has a hydrophilic coating on the outer surface.
The method for manufacturing a balloon catheter according to any one of claims 5 to 7, further comprising a coating removing step of removing the hydrophilic coating on the top of the protruding portion.
前記コーティング除去工程において、前記バルーンを遠近方向に摺動させ、前記突出部の外表面と前記筒状物の内表面とを接触させている請求項８に記載のバルーンカテーテルの製造方法。 The coating removing step is performed after the balloon placement step.
The method for manufacturing a balloon catheter according to claim 8, wherein in the coating removing step, the balloon is slid in a perspective direction to bring the outer surface of the protrusion into contact with the inner surface of the tubular object.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019163857 | 2019-09-09 | ||
| PCT/JP2020/031104 WO2021049261A1 (en) | 2019-09-09 | 2020-08-18 | Method for producing balloon catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021049261A1 JPWO2021049261A1 (en) | 2021-03-18 |
| JPWO2021049261A5 true JPWO2021049261A5 (en) | 2022-05-24 |
Family
ID=74867236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021545185A Pending JPWO2021049261A1 (en) | 2019-09-09 | 2020-08-18 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2021049261A1 (en) |
| WO (1) | WO2021049261A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023070025A (en) * | 2021-11-08 | 2023-05-18 | 株式会社カネカ | balloon for balloon catheter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209799A (en) * | 1992-04-17 | 1993-05-11 | Inverventional Technologies, Inc. | Method for manufacturing a folding balloon catheter |
| US6283743B1 (en) * | 1998-03-04 | 2001-09-04 | Scimed Life Systems, Inc. | Balloon wrap device |
| US7494612B2 (en) * | 2004-10-29 | 2009-02-24 | Boston Scientific Scimed, Inc. | Medical balloon folding method and tooling |
| JP6075078B2 (en) * | 2013-01-23 | 2017-02-08 | 住友ベークライト株式会社 | Balloon deflating aid |
-
2020
- 2020-08-18 WO PCT/JP2020/031104 patent/WO2021049261A1/en active Application Filing
- 2020-08-18 JP JP2021545185A patent/JPWO2021049261A1/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPWO2021049282A5 (en) | ||
| JPWO2020250611A5 (en) | ||
| US9339291B2 (en) | Cutting or scoring balloon, system and method of making a cutting or scoring balloon | |
| JP3836861B2 (en) | Balloon catheter | |
| CN104645487B (en) | Medical balloon, manufacturing method thereof and balloon dilatation catheter | |
| JPWO2021049261A5 (en) | ||
| US9861797B2 (en) | Balloon catheter and method for making same | |
| JP2021192892A (en) | Massage roller | |
| JP7490660B2 (en) | Method for manufacturing a balloon catheter | |
| KR20180080991A (en) | Balloon catheter | |
| EP1256357B1 (en) | Balloon catheter and method for manufacturing it | |
| JP2008136495A (en) | Cosmetic applicator and mold for forming cosmetic applicator | |
| CN203724602U (en) | Medical balloon and balloon expansion catheter | |
| JP7432360B2 (en) | Balloon catheter manufacturing method and mold | |
| JP5640096B2 (en) | Catheter for intraluminal treatment, method of manufacturing this catheter, and apparatus for manufacturing tools | |
| KR20220024775A (en) | BALLOON CATHETER | |
| US4501545A (en) | Manufacture of inflatable articles | |
| US3283053A (en) | Method for forming non-skid tire treads | |
| WO2021049261A1 (en) | Method for producing balloon catheter | |
| WO2020194982A1 (en) | Method for producing balloon catheter | |
| JP2013184368A (en) | Rigid core for forming tire | |
| JP3796410B2 (en) | Tubular body | |
| JP5667606B2 (en) | Rigid core for tire formation | |
| JP6957908B2 (en) | Manufacturing method of electrodes and dies for electric discharge machining | |
| WO2022137763A1 (en) | Balloon for balloon catheter |