JP6807635B2 - ガイドワイヤ - Google Patents
ガイドワイヤ Download PDFInfo
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- JP6807635B2 JP6807635B2 JP2015113046A JP2015113046A JP6807635B2 JP 6807635 B2 JP6807635 B2 JP 6807635B2 JP 2015113046 A JP2015113046 A JP 2015113046A JP 2015113046 A JP2015113046 A JP 2015113046A JP 6807635 B2 JP6807635 B2 JP 6807635B2
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- Prior art keywords
- guide wire
- film layer
- oxide film
- coating layer
- hydrophilic
- Prior art date
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- 239000010410 layer Substances 0.000 claims description 72
- 239000011247 coating layer Substances 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 40
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims 1
- 239000011162 core material Substances 0.000 description 30
- 238000012360 testing method Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 210000004204 blood vessel Anatomy 0.000 description 10
- 229920001477 hydrophilic polymer Polymers 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 5
- 239000000049 pigment Substances 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 5
- 239000000057 synthetic resin Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 3
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001000 nickel titanium Inorganic materials 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920005749 polyurethane resin Polymers 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 2
- BYPFICORERPGJY-UHFFFAOYSA-N 3,4-diisocyanatobicyclo[2.2.1]hept-2-ene Chemical compound C1CC2(N=C=O)C(N=C=O)=CC1C2 BYPFICORERPGJY-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000006103 coloring component Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Media Introduction/Drainage Providing Device (AREA)
Description
本実施形態におけるガイドワイヤ1は、例えばカテーテル治療に用いられるカテーテルを血管内部の所望の箇所へと導くための医療用のガイドワイヤであって、図1に示すように、主にコアワイヤ10、非造影コイル20、および造影コイル30などにより構成される。
次に、本発明を具現化するガイドワイヤについて、母材および親水性被膜層間の結合に関する耐久性を判断するために、本発明者が行った検証実験について説明する。
11B 母材
11C 酸化被膜層
11A 親水性被膜層
Claims (3)
- 線状に延びる母材と、
前記母材の外周面に形成される酸化被膜層と、
前記酸化被膜層の外周面に隣接して形成される親水性被膜層と、
を有する積層構造を備え、
前記母材は、ステンレススチール製のコアワイヤであり、
前記コアワイヤは、操作部、第一テーパ部、鍔部、第二テーパ部、および当該コアワイヤの先端部に位置する半球状のチップを有し、
前記チップの外径は、前記操作部の外径に対して0.5倍以上2倍以下であり、
前記第二テーパ部の鍔部側に挿着された非造影コイルの外径は、前記操作部の外径と同程度であり、
前記酸化被膜層は、厚みが0.1μm以上0.25μm以下の浸漬製酸化被膜層であるガイドワイヤ。 - 前記酸化被膜層は有色であるとともに、
前記親水性被膜層は前記酸化被膜層の色を視認可能に形成される、
請求項1に記載のガイドワイヤ。 - 前記酸化被膜層および前記親水性被膜層は化学結合によって互いに結合されている、
請求項1または請求項2に記載のガイドワイヤ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015113046A JP6807635B2 (ja) | 2015-06-03 | 2015-06-03 | ガイドワイヤ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015113046A JP6807635B2 (ja) | 2015-06-03 | 2015-06-03 | ガイドワイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016221141A JP2016221141A (ja) | 2016-12-28 |
JP6807635B2 true JP6807635B2 (ja) | 2021-01-06 |
Family
ID=57746145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015113046A Active JP6807635B2 (ja) | 2015-06-03 | 2015-06-03 | ガイドワイヤ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6807635B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6270902B1 (en) * | 1997-04-23 | 2001-08-07 | C. R. Bard, Inc. | Method of improving the adherence of certain crosslinked polymer coatings containing PEO or PVP to a substrate |
JP4332340B2 (ja) * | 2002-11-13 | 2009-09-16 | 株式会社ハイレックスコーポレーション | 医療用ガイドワイヤ |
JP2006271860A (ja) * | 2005-03-30 | 2006-10-12 | Japan Lifeline Co Ltd | 医療用具及びその製造方法 |
JP4308801B2 (ja) * | 2005-08-12 | 2009-08-05 | 株式会社エフエムディ | 医療用ガイドワイヤ及びその製造方法 |
TWI425961B (zh) * | 2009-12-29 | 2014-02-11 | Metal Ind Res & Dev Ct | Medical equipment and its surface treatment method |
US8480597B2 (en) * | 2010-09-13 | 2013-07-09 | Abbott Laboratories | Color coded guide wire and methods of making same |
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2015
- 2015-06-03 JP JP2015113046A patent/JP6807635B2/ja active Active
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JP2016221141A (ja) | 2016-12-28 |
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