JP6756733B2 - 医療用装置、カテーテルアセンブリ、医療用装置用のルアーコネクタ、及び医療用装置の製造方法 - Google Patents
医療用装置、カテーテルアセンブリ、医療用装置用のルアーコネクタ、及び医療用装置の製造方法 Download PDFInfo
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- JP6756733B2 JP6756733B2 JP2017550693A JP2017550693A JP6756733B2 JP 6756733 B2 JP6756733 B2 JP 6756733B2 JP 2017550693 A JP2017550693 A JP 2017550693A JP 2017550693 A JP2017550693 A JP 2017550693A JP 6756733 B2 JP6756733 B2 JP 6756733B2
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- copper coating
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- medical device
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Landscapes
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Description
本出願は、2015年3月30日に出願された米国特許仮出願第62/140,206号、表題「Application of Antimicrobial Agents to Indwelling Medical Devices」の優先権の利益を主張するものであり、その全体が参照により本明細書に組み込まれるものとする。
簡潔に要約すると、本発明の実施形態は、実質的に非溶出性の抗菌剤を含む、侵襲的医療用装置を対象とする。医療用装置の1つ以上の外面及び/又は内面が、コーティングされた面に微生物がコロニー形成するのを防ぐ助けとなる、実質的に非溶出性の銅でコーティングされた面を含む。これは、医療用装置から患者への感染の発生率を減らすことになる。
以降、類似する構造を同じ参照表記で示す図を参照する。図面は本発明の代表的な実施形態の図式的かつ概略的表示であり、正確な縮尺率に制限されるものでもなく、それが必要でもない。
以下に、本願出願の当初の特許請求の範囲に記載された発明を付記する。
[1] 医療用装置であって、
面を含む流体通路の、少なくとも一部を画定する本体、
前記面の少なくとも一部上に配設される、無電解めっき工程によって適用された、実質的に非溶出性の銅コーティング、
前記銅コーティング上に配設される撥水層、を備える医療用装置。
[2] 前記銅コーティングが、約0.8〜約2.6μmの厚さを有する、[1]に記載の医療用装置。
[3] 前記医療用装置が、患者の静脈系へのアクセスを提供する、[1]に記載の医療用装置。
[4] 前記医療用装置が侵襲的な医療用装置であり、かつカテーテルアセンブリ及び移植可能な脈管系アクセスポートのうちの一方を含む、[3]に記載の医療用装置。
[5] 前記撥水層が、ブトキシエタノール及びブトキシエトキシエタノールのうちの少なくとも一方を含む、[1]に記載の医療用装置。
[6] 前記医療用装置が、ニードルなしコネクタ及びエンドキャップのうちの一方を含み、かつ前記面が、前記ニードルなしコネクタ又は前記エンドキャップの、内側部位及び外側部位のうちの少なくとも一方の上に配設される、[1]に記載の医療用装置。
[7] カテーテルアセンブリであって、
少なくとも1つの内腔を画定する細長いカテーテルチューブ、
ルアーコネクタを含む、少なくとも1つの延長レッグ、
前記少なくとも1つの延長レッグと前記少なくとも1つの内腔との間の流体連通を提供する、少なくとも1つの流体通路を含む、二分岐ハブ、
前記少なくとも1つの内腔、前記少なくとも1つの延長レッグ、前記ルアーコネクタ、及び前記少なくとも1つの流体通路のうちの少なくとも1つの面上に配設される、無電解めっき工程によって適用された実質的に非溶出性の銅コーティング、及び
前記銅コーティング上に配設される撥水コーティングを備える、カテーテルアセンブリ。
[8] 前記ルアーコネクタの少なくとも内面、及び前記二分岐ハブの前記少なくとも1つの流体通路の内面が、それぞれの上に前記銅コーティングを含む、[7]に記載のカテーテルアセンブリ。
[9] 別の抗菌剤が、前記カテーテルチューブ及び前記延長レッグのうちの少なくとも一方の面上に含まれている、[8]に記載のカテーテルアセンブリ。
[10] 前記銅コーティングに流体が接触して約24時間後でも、前記銅コーティングが、前記銅コーティングの全銅含有量の約0.01%未満しか溶出しない、[7]に記載のカテーテルアセンブリ。
[11] バルブを含む前記ルアーコネクタの、内面及び外面のうちの少なくとも一方が、その上に前記銅コーティングを含む、[7]に記載のカテーテルアセンブリ。
[12] 前記バルブの少なくとも一部が、前記銅コーティングを含む、[11]に記載のカテーテルアセンブリ。
[13] 医療用装置用のルアーコネクタであって、
流体通路を画定する本体、及び
前記ルアーコネクタの前記本体の面上に配設される、無電解めっき工程によって適用された、実質的に非溶出性の銅コーティングであって、撥水コーティングを自らの上に含む銅コーティングを備える、ルアーコネクタ。
[14] 前記ルアーコネクタ本体の少なくとも外面が、前記銅コーティングを含む、[13]に記載のルアーコネクタ。
[15] 前記ルアーコネクタの内面及び外面のうちの少なくとも一方が、自らの上に前記銅コーティングを含み、前記ルアーコネクタがバルブを含む、[13]に記載のルアーコネクタ。
[16] 前記バルブの少なくとも一部が、前記銅コーティングを含む、[15]に記載のルアーコネクタ。
[17] 前記撥水層が、ブトキシエタノール及びブトキシエトキシエタノールのうちの少なくとも一方を含む、[13]に記載のルアーコネクタ。
[18] 前記ルアーコネクタが、カテーテルアセンブリに含まれる、[13]に記載のルアーコネクタ。
[19] 医療用装置の製造方法であって、
流体通路の少なくとも一部を画定する本体を形成すること、及び
前記本体の少なくとも一部に、実質的に非溶出性の銅コーティングを、無電解めっきによって適用すること、を含む、製造方法。
[20] 前記銅コーティング上に配設された撥水層を配設することを更に含む、[19]に記載の製造方法。
[21] 前記実質的に非溶出性の銅コーティングを適用することは、前記流体通路の少なくとも一部を画定する面上に、前記銅コーティングを適用することを更に含む、[19]に記載の製造方法。
[22] 前記銅コーティングが、前記本体の、熱可塑性ポリウレタン部分に適用される、[19]に記載の製造方法。
[23] 前記本体を形成することは、前記本体を、押出成形すること、モールド成形すること、注型成形すること、及びマシン加工することのうちの少なくとも1つを含む、[19]に記載の製造方法。
[24] 医療用装置の製造方法であって、
形成材料を銅と化合させること、及び
前記医療用装置の流体通路の少なくとも一部を、前記形成材料で形成すること、を含み、前記形成材料の前記化合した銅が、実質的に非溶出性である、製造方法。
[25] 前記流体通路の前記少なくとも一部を形成することが、押出成形すること、モールド成形すること、注型成形すること、及びマシン加工することのうちの少なくとも1つを含む、[24]に記載の製造方法。
[26] 前記形成材料を化合させることが、前記形成材料を、銅含有粉末と化合させることを含む、[24]に記載の製造方法。
[27] 前記形成材料がポリマーを含み、かつ前記医療用装置が、カテーテルアセンブリ及び移植可能なアクセスポートのうちの一方を含む、[24]に記載の製造方法。
[28] 前記形成材料が、塩化第一銅、塩化第二銅、酸化第二銅、水酸化銅、シュウ酸銅、クエン酸銅、グルコン酸銅、酢酸銅、炭酸銅、硫酸銅、リン酸銅、他の銅の塩、及び分割した金属銅のうちの少なくとも1つと化合する、[24]に記載の製造方法。
[29] 医療用装置の製造方法であって、
銅含有成分を形成すること、及び
前記銅含有成分が、前記医療用装置の流体通路の少なくとも一部を画定するように、前記銅含有成分を、前記医療用装置でインサート成形すること、を含み、
前記銅含有成分が、実質的に非溶出性のものである、製造方法。
[30] 前記医療用装置がルアーコネクタであり、かつ前記銅含有成分が、前記ルアーコネクタの内面の少なくとも一部を画定する、[29]に記載の製造方法。
Claims (22)
- 医療用装置であって、
面を含む流体通路の、少なくとも一部を画定する本体、
前記面の少なくとも一部上に配設される、無電解めっき工程によって適用された、実質的に非溶出性の銅コーティング、
前記銅コーティング上に配設される撥水層、を備える医療用装置。 - 前記銅コーティングが、0.8〜2.6μmの厚さを有する、請求項1に記載の医療用装置。
- 前記医療用装置が、患者の静脈系へのアクセスを提供する、請求項1に記載の医療用装置。
- 前記医療用装置が侵襲的な医療用装置であり、かつカテーテルアセンブリ及び移植可能な脈管系アクセスポートのうちの一方を含む、請求項3に記載の医療用装置。
- 前記撥水層が、ブトキシエタノール及びブトキシエトキシエタノールのうちの少なくとも一方を含む、請求項1に記載の医療用装置。
- 前記医療用装置が、ニードルなしコネクタ及びエンドキャップのうちの一方を含み、かつ前記面が、前記ニードルなしコネクタ又は前記エンドキャップの、内側部位及び外側部位のうちの少なくとも一方の上に配設される、請求項1に記載の医療用装置。
- カテーテルアセンブリであって、
少なくとも1つの内腔を画定する細長いカテーテルチューブ、
ルアーコネクタを含む、少なくとも1つの延長レッグ、
前記少なくとも1つの延長レッグと前記少なくとも1つの内腔との間の流体連通を提供する、少なくとも1つの流体通路を含む、二分岐ハブ、
前記少なくとも1つの内腔、前記少なくとも1つの延長レッグ、前記ルアーコネクタ、及び前記少なくとも1つの流体通路のうちの少なくとも1つの面上に配設される、無電解めっき工程によって適用された実質的に非溶出性の銅コーティング、及び
前記銅コーティング上に配設される撥水コーティングを備える、カテーテルアセンブリ。 - 前記ルアーコネクタの少なくとも内面、及び前記二分岐ハブの前記少なくとも1つの流体通路の内面が、それぞれの上に前記銅コーティングを含む、請求項7に記載のカテーテルアセンブリ。
- 別の抗菌剤が、前記カテーテルチューブ及び前記延長レッグのうちの少なくとも一方の面上に含まれている、請求項8に記載のカテーテルアセンブリ。
- 前記銅コーティングに流体が接触して24時間後でも、前記銅コーティングが、前記銅コーティングの全銅含有量の0.01%未満しか溶出しない、請求項7に記載のカテーテルアセンブリ。
- バルブを含む前記ルアーコネクタの、内面及び外面のうちの少なくとも一方が、その上に前記銅コーティングを含む、請求項7に記載のカテーテルアセンブリ。
- 前記バルブの少なくとも一部が、前記銅コーティングを含む、請求項11に記載のカテーテルアセンブリ。
- 医療用装置用のルアーコネクタであって、
流体通路を画定する本体、及び
前記ルアーコネクタの前記本体の面上に配設される、無電解めっき工程によって適用された、実質的に非溶出性の銅コーティングであって、撥水コーティングを自らの上に含む銅コーティングを備える、ルアーコネクタ。 - 前記ルアーコネクタ本体の少なくとも外面が、前記銅コーティングを含む、請求項13に記載のルアーコネクタ。
- 前記ルアーコネクタの内面及び外面のうちの少なくとも一方が、自らの上に前記銅コーティングを含み、前記ルアーコネクタがバルブを含む、請求項13に記載のルアーコネクタ。
- 前記バルブの少なくとも一部が、前記銅コーティングを含む、請求項15に記載のルアーコネクタ。
- 前記撥水層が、ブトキシエタノール及びブトキシエトキシエタノールのうちの少なくとも一方を含む、請求項13に記載のルアーコネクタ。
- 前記ルアーコネクタが、カテーテルアセンブリに含まれる、請求項13に記載のルアーコネクタ。
- 医療用装置の製造方法であって、
流体通路の少なくとも一部を画定する本体を形成すること、
前記本体の少なくとも一部に、実質的に非溶出性の銅コーティングを、無電解めっきによって適用すること、及び
前記銅コーティング上に配設された撥水層を配設すること
を含む、製造方法。 - 前記実質的に非溶出性の銅コーティングを適用することは、前記流体通路の少なくとも一部を画定する面上に、前記銅コーティングを適用することを更に含む、請求項19に記載の製造方法。
- 前記銅コーティングが、前記本体の、熱可塑性ポリウレタン部分に適用される、請求項19に記載の製造方法。
- 前記本体を形成することは、前記本体を、押出成形すること、モールド成形すること、注型成形すること、及びマシン加工することのうちの少なくとも1つを含む、請求項19に記載の製造方法。
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BR112017021047A2 (pt) | 2018-07-03 |
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BR112017021047B1 (pt) | 2022-08-23 |
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CA2980020C (en) | 2023-08-01 |
EP3273907A4 (en) | 2018-04-25 |
US20160287758A1 (en) | 2016-10-06 |
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US11413376B2 (en) | 2022-08-16 |
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