JP2013528109A5 - - Google Patents
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- JP2013528109A5 JP2013528109A5 JP2013514326A JP2013514326A JP2013528109A5 JP 2013528109 A5 JP2013528109 A5 JP 2013528109A5 JP 2013514326 A JP2013514326 A JP 2013514326A JP 2013514326 A JP2013514326 A JP 2013514326A JP 2013528109 A5 JP2013528109 A5 JP 2013528109A5
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- JP
- Japan
- Prior art keywords
- polymer
- edge surface
- laser beam
- substrate
- wavelength
- 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.)
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- 229920000642 polymer Polymers 0.000 claims 10
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical group C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims 4
- 229920001432 poly(L-lactide) Polymers 0.000 claims 4
- 239000000758 substrate Substances 0.000 claims 4
- 238000002679 ablation Methods 0.000 claims 3
- 229920000307 polymer substrate Polymers 0.000 claims 3
- 239000000112 cooling gas Substances 0.000 claims 1
- 230000000875 corresponding Effects 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000006011 modification reaction Methods 0.000 claims 1
- 229920001606 poly(lactic acid-co-glycolic acid) Polymers 0.000 claims 1
Claims (10)
- ステントを形成するために基材をレーザ加工する方法であって、
薄壁のポリマー基材を用意するステップと、
前記壁を通って切削する、所定のパルス幅及び波長を有するレーザビームで、前記薄壁のポリマー基材をレーザ加工し、加工済み縁部表面を有する構造要素を形成するステップであり、前記レーザビームが、前記加工済み縁部表面に隣接する表面領域内で前記基材を改変し、前記改変が、ボイド、ひび割れ、縁部表面からの距離に伴うポリマーの弾性率の変動、又はそれらの組合せを含む、ステップと、
前記ボイド又はひび割れが深さ2ミクロン以下で存在し、又は前記弾性率が4ミクロン以下で収束するように前記パルス幅及び波長を選択するステップと
を含む方法。 - 前記ポリマーがPLLA又はPLGAである、請求項1に記載の方法。
- 前記ポリマーがPLLAであり、前記波長が532nmであり、前記パルス幅が、10ps以下、1ps以上である、請求項1に記載の方法。
- 繰返し率が80〜100kHzである、請求項1に記載の方法。
- 前記レーザビームの前記選択されたパルス幅及び波長が、熱的な切除及び非熱的な切除から生じる、前記加工済み縁部表面に隣接する表面領域に対する損傷を最小限に抑え、
前記最小限に抑えられる損傷が、非熱的な切除から生じるひび割れ又はボイド、及び熱的な切除から生じる溶融で構成される、請求項1に記載の方法。 - 前記ポリマーがPLLAであり、前記波長及び前記パルス幅が、緑色範囲内及び1〜10psに調整される、請求項1に記載の方法。
- 前記レーザビームによって加工される前記基材のある領域で冷却ガスをさらに導く、請求項1に記載の方法。
- 前記レーザビームが、前記縁部表面からの距離に伴う前記ポリマーの弾性率の変動を引き起こし、前記レーザビームの波長が緑色範囲内である場合に前記弾性率が10ミクロン未満の距離で収束する、請求項6に記載の方法。
- 薄壁のPLLAポリマー基材を、構造要素を形成するように前記壁を通って切削するレーザビームでレーザ加工することによって形成された複数の相互接続された構造要素を備えるポリマーステント本体であって、
前記構造要素が、加工済み縁部表面に対応する側壁を有し、
前記側壁に隣接する表面領域が、前記レーザビームの、前記基材との相互作用によって引き起こされた損傷を有する、ポリマーステント本体において、
前記損傷が、前記縁部表面から深さ2ミクロン以下までの表面領域内で分散されたボイド又はひび割れを含むことを特徴とする、ポリマーステント本体。 - 前記損傷が、前記縁部表面からの距離に伴う前記ポリマーの弾性率の変動をさらに含み、前記弾性率が5ミクロン未満の距離で収束する、請求項9に記載のポリマーステント本体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/797,950 US8679394B2 (en) | 2010-06-10 | 2010-06-10 | Laser system and processing conditions for manufacturing bioabsorbable stents |
US12/797,950 | 2010-06-10 | ||
PCT/US2011/039556 WO2011156449A1 (en) | 2010-06-10 | 2011-06-08 | Processing conditions for manufacturing bioabsorbable stents |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016082255A Division JP6270074B2 (ja) | 2010-06-10 | 2016-04-15 | 生体吸収性ステントを製造するための処理条件 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013528109A JP2013528109A (ja) | 2013-07-08 |
JP2013528109A5 true JP2013528109A5 (ja) | 2014-07-24 |
Family
ID=44533550
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013514326A Pending JP2013528109A (ja) | 2010-06-10 | 2011-06-08 | 生体吸収性ステントを製造するための処理条件 |
JP2016082255A Expired - Fee Related JP6270074B2 (ja) | 2010-06-10 | 2016-04-15 | 生体吸収性ステントを製造するための処理条件 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016082255A Expired - Fee Related JP6270074B2 (ja) | 2010-06-10 | 2016-04-15 | 生体吸収性ステントを製造するための処理条件 |
Country Status (11)
Country | Link |
---|---|
US (4) | US8679394B2 (ja) |
EP (2) | EP2944416B1 (ja) |
JP (2) | JP2013528109A (ja) |
CN (2) | CN105855733B (ja) |
DK (1) | DK2580020T3 (ja) |
ES (1) | ES2543749T3 (ja) |
HK (1) | HK1224252A1 (ja) |
HU (1) | HUE025123T2 (ja) |
PL (1) | PL2580020T3 (ja) |
PT (1) | PT2580020E (ja) |
WO (1) | WO2011156449A1 (ja) |
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KR101489263B1 (ko) * | 2014-02-26 | 2015-02-04 | 썬텍 주식회사 | 고분자 스텐트의 제조방법 및 폴리락트산 고분자 스텐트 |
US10010436B2 (en) | 2012-09-20 | 2018-07-03 | Dotter Intellectual Pte, Ltd. | Polymeric stent and methods of manufacturing the same |
DE102013003160A1 (de) * | 2013-02-26 | 2014-08-28 | Photon Energy Gmbh | Verfahren zur Modifizierung der Oberfläche eines Kunststoffs |
US9566666B2 (en) * | 2013-03-13 | 2017-02-14 | Abbott Cardiovascular Systems Inc. | Short pulse laser machining of polymers enhanced with light absorbers for fabricating medical devices |
JP6190705B2 (ja) * | 2013-11-28 | 2017-08-30 | 株式会社アマダホールディングス | レーザ加工方法 |
WO2015079889A1 (ja) | 2013-11-28 | 2015-06-04 | 株式会社アマダホールディングス | レーザ加工方法及びレーザ加工機 |
JP6190708B2 (ja) * | 2013-11-29 | 2017-08-30 | 株式会社アマダホールディングス | レーザ加工方法及び装置 |
US9548215B2 (en) * | 2014-04-10 | 2017-01-17 | Abbott Cardiovascular Systems Inc. | High visibility endoprosthesis and method |
CN105030393B (zh) * | 2015-07-24 | 2017-06-06 | 汇澜生物工程(浙江)有限公司 | 纳米金膜记忆合金食管支架及其制备方法 |
WO2022159792A1 (en) * | 2021-01-22 | 2022-07-28 | University Of Pittsburgh-Of The Commonwealth System Of Higher Education | Patterning of nanocarbon materials on a substrate |
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-
2010
- 2010-06-10 US US12/797,950 patent/US8679394B2/en not_active Expired - Fee Related
-
2011
- 2011-06-08 ES ES11726023.2T patent/ES2543749T3/es active Active
- 2011-06-08 CN CN201610343975.3A patent/CN105855733B/zh active Active
- 2011-06-08 EP EP15159720.0A patent/EP2944416B1/en not_active Not-in-force
- 2011-06-08 PT PT117260232T patent/PT2580020E/pt unknown
- 2011-06-08 PL PL11726023T patent/PL2580020T3/pl unknown
- 2011-06-08 CN CN201180028663.9A patent/CN102947046B/zh active Active
- 2011-06-08 WO PCT/US2011/039556 patent/WO2011156449A1/en active Application Filing
- 2011-06-08 EP EP11726023.2A patent/EP2580020B2/en not_active Not-in-force
- 2011-06-08 DK DK11726023.2T patent/DK2580020T3/en active
- 2011-06-08 JP JP2013514326A patent/JP2013528109A/ja active Pending
- 2011-06-08 HU HUE11726023A patent/HUE025123T2/en unknown
-
2014
- 2014-02-03 US US14/171,686 patent/US9393134B2/en active Active
-
2016
- 2016-04-12 HK HK16104171.5A patent/HK1224252A1/zh unknown
- 2016-04-15 JP JP2016082255A patent/JP6270074B2/ja not_active Expired - Fee Related
- 2016-07-01 US US15/200,876 patent/US9744625B2/en active Active
-
2017
- 2017-07-06 US US15/643,221 patent/US10525552B2/en active Active
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