JP7408558B2 - 三次元補助材 - Google Patents
三次元補助材 Download PDFInfo
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- JP7408558B2 JP7408558B2 JP2020544214A JP2020544214A JP7408558B2 JP 7408558 B2 JP7408558 B2 JP 7408558B2 JP 2020544214 A JP2020544214 A JP 2020544214A JP 2020544214 A JP2020544214 A JP 2020544214A JP 7408558 B2 JP7408558 B2 JP 7408558B2
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Description
(1) 三次元構造の製造方法であって、
ビームをスキャンして複数の粉末層を溶融させて、組織接触面と、前記組織接触面と反対側のカートリッジ接触面と、前記組織接触面とカートリッジ接触面との間に延在する複数の支柱と、を伴って構成された細長い本体を有する圧縮性生体吸収性補助材を形成すること、を含む、方法。
(2) 前記生体吸収性補助材を1種以上の抗菌剤でコーティングすることを更に含む、実施態様1に記載の方法。
(3) 前記粉末が生体吸収性ポリマー粒子を含み、前記補助材の少なくとも一部分を、前記粉末の前記生体吸収性ポリマー粒子とは異なる生体吸収性ポリマー粒子を含む組成物でコーティングすることを更に含む、実施態様1に記載の方法。
(4) 前記層のうちの少なくとも2つが、異なる粉末から形成される、実施態様1に記載の方法。
(5) 第1の粉末が、ポリグラクチン、ポリジオキサノン、及びポリカプロラクトンコポリマーからなる群から選択される材料で形成される、実施態様4に記載の方法。
(7) 前記粉末が、熱可塑性吸収性ポリウレタン、ポリ(乳酸)、ポリカプロラクトン、ポリグリコリド、ポリジオキサノン、ポリ(乳酸-コ-グリコール酸)、ポリグリコール酸、トリメチレンカーボネート、グリコリド、ジオキサノン、これらのコポリマー、及びこれらの組み合わせからなる群から選択される材料で形成される生体吸収性ポリマー粒子を含む、実施態様1に記載の方法。
(8) 前記複数の支柱が、接合部で相互接続されて格子構造を形成する、実施態様1に記載の方法。
(9) 前記複数の支柱が実質的に螺旋の形状である、実施態様1に記載の方法。
(10) 前記複数の支柱が、実質的に垂直な柱の形態である、実施態様1に記載の方法。
(12) 各幾何学的反復ユニットが、その中に開口空間を画定する、実施態様11に記載の方法。
(13) 各幾何学的反復ユニットが、X字形状を有する、実施態様11に記載の方法。
(14) ステープル留めアセンブリの製造方法であって、
圧縮性生体吸収性補助材を外科用ステープラの本体に取り付けることであって、前記補助材は、少なくとも1種の溶融した生体吸収性ポリマーを含むマトリックスから形成された複数の弾性支柱を含む、取り付けること、を含む、方法。
(15) 前記補助材を前記本体に前記取り付けることが、前記補助材のフランジを前記本体の陥凹したチャネルに挿入するように、前記補助材の本体接触面を前記本体の表面に対して配置することを含む、実施態様14に記載の方法。
(17) 前記複数の支柱が、接合部で相互接続されて格子構造を形成する、実施態様14に記載の方法。
(18) 前記複数の支柱が、開口した幾何学的反復ユニットの形態である、実施態様14に記載の方法。
(19) 前記複数の支柱が実質的に螺旋の形状である、実施態様14に記載の方法。
(20) 前記複数の支柱が、実質的に垂直な柱の形態である、実施態様14に記載の方法。
(22) 前記補助材は、前記補助材が組織配備状態にあるとき、少なくとも3日間、前記補助材にステープル留めされた組織に少なくとも約3g/mm2の応力を適用するように構成されている、実施態様14に記載の方法。
Claims (5)
- 三次元構造の製造方法であって、
ビームをスキャンして複数の粉末層を溶融させて、組織接触面と、前記組織接触面と反対側のカートリッジ接触面と、前記組織接触面と前記カートリッジ接触面との間に延在する複数の支柱と、を伴って構成された細長い本体を有する圧縮性生体吸収性補助材を形成すること、を含み、
前記複数の支柱の各々は、第1の部分および第2の部分を有し、前記複数の支柱の前記第1の部分の端部同士が接合部で相互接続され、
前記補助材が未変形状態にある際に、前記補助材が第1の応力を受けると、前記複数の支柱の前記第1の部分は前記接合部を中心に屈曲し、前記補助材は第1の配備高さに圧縮され、更に、前記補助材が前記第1の応力よりも大きな第2の応力を受けると、前記複数の支柱の前記第1の部分は前記接合部を中心に更に屈曲し、前記複数の支柱の前記第2の部分の内の上方に位置する第2の部分および下方に位置する第2の部分が互いに接触し、前記補助材は前記第1の配備高さより低い第2の配備高さに圧縮される、方法。 - 前記補助材を1種以上の抗菌剤でコーティングすることを更に含む、請求項1に記載の方法。
- 前記複数の粉末層の粉末が生体吸収性ポリマー粒子を含み、前記補助材の少なくとも一部分を、前記複数の粉末層の前記粉末の前記生体吸収性ポリマー粒子とは異なる生体吸収性ポリマー粒子を含む組成物でコーティングすることを更に含む、請求項1に記載の方法。
- 前記複数の粉末層のうちの少なくとも2つが、異なる粉末から形成される、請求項1に記載の方法。
- 前記複数の粉末層の粉末が、熱可塑性吸収性ポリウレタン、ポリ(乳酸)、ポリカプロラクトン、ポリグリコリド、ポリジオキサノン、ポリ(乳酸-コ-グリコール酸)、ポリグリコール酸、トリメチレンカーボネート、グリコリド、ジオキサノン、これらのコポリマー、及びこれらの組み合わせからなる群から選択される材料で形成される生体吸収性ポリマー粒子を含む、請求項1に記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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US15/901,087 | 2018-02-21 | ||
US15/901,087 US11504115B2 (en) | 2018-02-21 | 2018-02-21 | Three dimensional adjuncts |
PCT/IB2019/050363 WO2019162762A1 (en) | 2018-02-21 | 2019-01-16 | Three dimensional adjuncts |
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US (2) | US20220079579A1 (ja) |
JP (1) | JP7408558B2 (ja) |
CN (1) | CN112004485B (ja) |
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USD882782S1 (en) | 2018-02-21 | 2020-04-28 | Ethicon Llc | Three dimensional adjunct |
US11504115B2 (en) | 2018-02-21 | 2022-11-22 | Cilag Gmbh International | Three dimensional adjuncts |
US11490890B2 (en) | 2019-09-16 | 2022-11-08 | Cilag Gmbh International | Compressible non-fibrous adjuncts |
US11638584B2 (en) | 2019-09-16 | 2023-05-02 | Cilag Gmbh International | Compressible non-fibrous adjuncts |
USD1029255S1 (en) | 2020-09-01 | 2024-05-28 | Cilag Gmbh International | Stapling cartridge assembly with a compressible adjunct |
US11950781B2 (en) | 2021-10-29 | 2024-04-09 | Cilag Gmbh International | Discrete adjunct attachment features for surgical stapler |
US11998204B2 (en) * | 2021-10-29 | 2024-06-04 | Cilag Gmbh International | Compressible adjunct for surgical stapler |
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US20170086829A1 (en) | 2015-09-30 | 2017-03-30 | Ethicon Endo-Surgery, Llc | Compressible adjunct with intermediate supporting structures |
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WO2001092001A1 (en) * | 2000-05-26 | 2001-12-06 | University Of Virginia Patent Foundation | Multifunctional periodic cellular solids and the method of making thereof |
US20060147332A1 (en) * | 2004-12-30 | 2006-07-06 | Howmedica Osteonics Corp. | Laser-produced porous structure |
US9307989B2 (en) * | 2012-03-28 | 2016-04-12 | Ethicon Endo-Surgery, Llc | Tissue stapler having a thickness compensator incorportating a hydrophobic agent |
JP6105041B2 (ja) * | 2012-03-28 | 2017-03-29 | エシコン・エンド−サージェリィ・インコーポレイテッドEthicon Endo−Surgery,Inc. | 低圧環境を画定するカプセルを含む組織厚コンペンセーター |
US10172611B2 (en) * | 2014-06-10 | 2019-01-08 | Ethicon Llc | Adjunct materials and methods of using same in surgical methods for tissue sealing |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2014521384A (ja) | 2011-05-19 | 2014-08-28 | ザ クリーブランド クリニック ファウンデイション | 患者の組織に基準指標を与えるための装置及び方法 |
JP2015523146A (ja) | 2012-03-28 | 2015-08-13 | エシコン・エンド−サージェリィ・インコーポレイテッドEthicon Endo−Surgery,Inc. | 親水性物質を組み込んだ厚さコンペンセータを有する組織ステープラ |
US20170086829A1 (en) | 2015-09-30 | 2017-03-30 | Ethicon Endo-Surgery, Llc | Compressible adjunct with intermediate supporting structures |
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US20220079579A1 (en) | 2022-03-17 |
MX2020008728A (es) | 2021-01-08 |
CN112004485B (zh) | 2024-09-06 |
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US20230012846A1 (en) | 2023-01-19 |
CN112004485A (zh) | 2020-11-27 |
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