JP2005502387A5 - - Google Patents
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- JP2005502387A5 JP2005502387A5 JP2002563994A JP2002563994A JP2005502387A5 JP 2005502387 A5 JP2005502387 A5 JP 2005502387A5 JP 2002563994 A JP2002563994 A JP 2002563994A JP 2002563994 A JP2002563994 A JP 2002563994A JP 2005502387 A5 JP2005502387 A5 JP 2005502387A5
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- catheter
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- dialysis catheter
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- 238000000502 dialysis Methods 0.000 claims description 39
- 210000004369 Blood Anatomy 0.000 claims description 26
- 239000008280 blood Substances 0.000 claims description 26
- 230000003014 reinforcing Effects 0.000 claims description 14
- 210000001519 tissues Anatomy 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 210000004304 Subcutaneous Tissue Anatomy 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 3
Description
【特許請求の範囲】
【請求項1】 近位部分、遠位部分、血液を送達するために構成された長手方向に延びる第一の中央ルーメン、および、該第一の中央ルーメンの周囲に配置され、かつ長手方向に延びる少なくとも三つのルーメンを有し、前記少なくとも三つのルーメンは患者から血液を抜取るように構成されているカテーテル本体と;
前記カテーテル本体の遠位部分に形成された少なくとも一つの血液送達開孔部を備え、該少なくとも一つの血液送達開口部は、前記第一のルーメンと液体流通し、かつ、その中を血液が通過するために構成されており;
前記カテーテル本体の外壁に形成された少なくとも三つの血液抜取り開口部を備え、その血液抜取り開口部の夫々が前記少なくとも三つのルーメンの一つと液体流通し、且つ患者から血液を通過させるために構成されている;
ことを特徴とする透析カテーテル。
【請求項2】 請求項1に記載のカテーテルにおいて、前記少なくとも三つの血液抜取り開口部は、前記少なくとも一つの血液送達開口部から近位方向に離間していることを特徴とする透析カテーテル。
【請求項3】 請求項2に記載の透析カテーテルにおいて、更に、前記カテーテル本体の遠位部分に遠位チップ部分を備え、該遠位チップ部分は、前記カテーテル本体における中間部分の第二の硬さよりも大きい第一の硬さを有し、カテーテルが患者に挿入されるときに組織を拡張するのに充分に剛性であることを特徴とする透析カテーテル。
【請求項4】 請求項1に記載の透析カテーテルにおいて、前記血液抜取り開口部は軸方向に細長く、また、カテーテルの横断面と交差することを特徴とする透析カテーテル。
【請求項5】 請求項1に記載の透析カテーテルにおいて、前記カテーテル本体の遠位部分は、前記第一のルーメンを通して挿入された補強部材に係合して、補強部材を前記カテーテル内に一時的に装着するための内部ねじ付き部分を含んでいることを特徴とする透析カテーテル。
【請求項6】 請求項1に記載の透析カテーテルにおいて、前記カテーテルの遠位チップ部分は、前記第一のルーメンを通して挿入された補強部材に当接するようになっている肩部を含んでおり、更に、前記肩部に当接して、前記カテーテル本体内に除去可能に配置できる補強部材を備え、該補強部材はカテーテル本体を張力下に置き、また前記補強部材にトルクを付与することにより、前記カテーテル本体が伸張されて、前記カテーテル本体の外径の少なくとも一部が減少され、さらに、前記補強部材の近位部分は、前記補強部材を前記カテーテルに装着するための一連のねじ溝を有することを特徴とする透析カテーテル。
【請求項7】 請求項1に記載の透析カテーテルにおいて、前記カテーテル本体の遠位部分は、その中に配置された補強挿入物を有し、該挿入物の中には、前記第一のルーメンと連通するルーメンが形成されていることを特徴とする透析カテーテル。
【請求項8】 請求項7に記載の透析カテーテルであって、前記遠位チップ部分は、直径が小さい領域へとテーパしていることを特徴とする透析カテーテル。
【請求項9】 請求項1に記載の透析カテーテルであって、更に、前記中央ルーメン内に除去可能に配置できる補強部材を備え、該補強部材は、前記透析カテーテルに除去可能に装着でき、また、中を通してガイドワイヤを収容するためのルーメンを含むことを特徴とする透析カテーテル。
【請求項10】 拡張套管針および透析カテーテルを備えた透析カテーテルの配置システムにおいて;該システムは、
a)細長い管状部分および該管状部分を通して長手方向に延びるルーメンを有する套管針を備え、前記管状部分は、組織を拡張して皮下組織トンネルを形成するように構成された拡張チップ内で終端し、前記套管針のルーメンは、第一の内径を有し、且つ、ガイドワイヤを回収するために、中を通してガイドワイヤを除去可能に収容するように構成されており;
b)血液送達のために構成された第一のルーメン、および、患者から血液を抜き取るために構成された第二の独立のルーメンを有する透析カテーテルを備え、該透析カテーテルの少なくとも一部は、皮下組織トンネルを通して挿入するために構成された外径を有し、前記透析カテーテルのルーメンのうちの一つは、前記套管針が除去されたときに、前記透析カテーテルをワイヤ上で組織トンネルを通して挿入するためのガイドワイヤを収容するように構成される;
ことを特徴とするシステム。
【請求項11】 請求項10に記載のシステムにおいて、更に、前記ガイドワイヤの挿入のために、前記套管針のルーメンと連通した、前記套管針の中に形成された細長い開口部を含むことを特徴とするシステム。
【請求項1】 近位部分、遠位部分、血液を送達するために構成された長手方向に延びる第一の中央ルーメン、および、該第一の中央ルーメンの周囲に配置され、かつ長手方向に延びる少なくとも三つのルーメンを有し、前記少なくとも三つのルーメンは患者から血液を抜取るように構成されているカテーテル本体と;
前記カテーテル本体の遠位部分に形成された少なくとも一つの血液送達開孔部を備え、該少なくとも一つの血液送達開口部は、前記第一のルーメンと液体流通し、かつ、その中を血液が通過するために構成されており;
前記カテーテル本体の外壁に形成された少なくとも三つの血液抜取り開口部を備え、その血液抜取り開口部の夫々が前記少なくとも三つのルーメンの一つと液体流通し、且つ患者から血液を通過させるために構成されている;
ことを特徴とする透析カテーテル。
【請求項2】 請求項1に記載のカテーテルにおいて、前記少なくとも三つの血液抜取り開口部は、前記少なくとも一つの血液送達開口部から近位方向に離間していることを特徴とする透析カテーテル。
【請求項3】 請求項2に記載の透析カテーテルにおいて、更に、前記カテーテル本体の遠位部分に遠位チップ部分を備え、該遠位チップ部分は、前記カテーテル本体における中間部分の第二の硬さよりも大きい第一の硬さを有し、カテーテルが患者に挿入されるときに組織を拡張するのに充分に剛性であることを特徴とする透析カテーテル。
【請求項4】 請求項1に記載の透析カテーテルにおいて、前記血液抜取り開口部は軸方向に細長く、また、カテーテルの横断面と交差することを特徴とする透析カテーテル。
【請求項5】 請求項1に記載の透析カテーテルにおいて、前記カテーテル本体の遠位部分は、前記第一のルーメンを通して挿入された補強部材に係合して、補強部材を前記カテーテル内に一時的に装着するための内部ねじ付き部分を含んでいることを特徴とする透析カテーテル。
【請求項6】 請求項1に記載の透析カテーテルにおいて、前記カテーテルの遠位チップ部分は、前記第一のルーメンを通して挿入された補強部材に当接するようになっている肩部を含んでおり、更に、前記肩部に当接して、前記カテーテル本体内に除去可能に配置できる補強部材を備え、該補強部材はカテーテル本体を張力下に置き、また前記補強部材にトルクを付与することにより、前記カテーテル本体が伸張されて、前記カテーテル本体の外径の少なくとも一部が減少され、さらに、前記補強部材の近位部分は、前記補強部材を前記カテーテルに装着するための一連のねじ溝を有することを特徴とする透析カテーテル。
【請求項7】 請求項1に記載の透析カテーテルにおいて、前記カテーテル本体の遠位部分は、その中に配置された補強挿入物を有し、該挿入物の中には、前記第一のルーメンと連通するルーメンが形成されていることを特徴とする透析カテーテル。
【請求項8】 請求項7に記載の透析カテーテルであって、前記遠位チップ部分は、直径が小さい領域へとテーパしていることを特徴とする透析カテーテル。
【請求項9】 請求項1に記載の透析カテーテルであって、更に、前記中央ルーメン内に除去可能に配置できる補強部材を備え、該補強部材は、前記透析カテーテルに除去可能に装着でき、また、中を通してガイドワイヤを収容するためのルーメンを含むことを特徴とする透析カテーテル。
【請求項10】 拡張套管針および透析カテーテルを備えた透析カテーテルの配置システムにおいて;該システムは、
a)細長い管状部分および該管状部分を通して長手方向に延びるルーメンを有する套管針を備え、前記管状部分は、組織を拡張して皮下組織トンネルを形成するように構成された拡張チップ内で終端し、前記套管針のルーメンは、第一の内径を有し、且つ、ガイドワイヤを回収するために、中を通してガイドワイヤを除去可能に収容するように構成されており;
b)血液送達のために構成された第一のルーメン、および、患者から血液を抜き取るために構成された第二の独立のルーメンを有する透析カテーテルを備え、該透析カテーテルの少なくとも一部は、皮下組織トンネルを通して挿入するために構成された外径を有し、前記透析カテーテルのルーメンのうちの一つは、前記套管針が除去されたときに、前記透析カテーテルをワイヤ上で組織トンネルを通して挿入するためのガイドワイヤを収容するように構成される;
ことを特徴とするシステム。
【請求項11】 請求項10に記載のシステムにおいて、更に、前記ガイドワイヤの挿入のために、前記套管針のルーメンと連通した、前記套管針の中に形成された細長い開口部を含むことを特徴とするシステム。
Claims (14)
- 近位部分、遠位部分、血液を送達するために構成された長手方向に延びる第一の中央ルーメン、および、該第一のルーメンの周囲に配置された長手方向に延びる少なくとも三つのルーメンを有し、前記少なくとも三つのルーメンは患者から血液を抜取るように構成されているカテーテル本体と;
前記カテーテル本体の遠位部分に形成された少なくとも一つの血液デリバリー開孔部を備え、該少なくとも一つの血液デリバリー開口部は、前記第一のルーメンと液体流通し、かつ、その中を血液が通過するために構成されており;
前記カテーテル本体の外壁に形成された少なくとも三つの血液抜取り開口部を備え、その血液抜取り開口部の夫々が前記少なくとも三つのルーメンの一つと液体流通し、且つ患者から血液を通過させるために構成されている;
ことを特徴とする透析カテーテル。 - 請求項1に記載のカテーテルにおいて、前記少なくとも三つの血液抜取り開口部は、前記少なくとも一つの血液送達開口部から近位方向に離間していることを特徴とする透析カテーテル。
- 請求項1に記載の透析カテーテルにおいて、前記第一のルーメンは断面が実質的に矩形であり、前記少なくとも三つの長手方向に延びるルーメンの夫々は、断面が実質的に楕円状であることを特徴とする透析カテーテル。
- 請求項2に記載の透析カテーテルにおいて、前記第一のルーメンおよび前記少なくとも三つの長手方向に延びるルーメンの断面形状は、近位部分においてそれぞれ実質的に円形の断面形状に変化することを特徴とする透析カテーテル。
- 請求項2に記載の透析カテーテルにおいて、更に、前記カテーテル本体の遠位部分に遠位チップ部分を備え、該遠位チップ部分は、前記カテーテル本体における中間部分の第二の硬さよりも大きい第一の硬さを有し、カテーテルが患者に挿入されるときに組織を拡張するのに充分に剛性であることを特徴とする透析カテーテル。
- 請求項1に記載の透析カテーテルにおいて、前記血液抜取り開口部は軸方向に細長く、また、カテーテルの横断面と交差することを特徴とする透析カテーテル。
- 請求項1に記載の透析カテーテルにおいて、前記カテーテル本体の遠位部分は、前記第一のルーメンを通して挿入された補強部材に係合して、補強部材を前記カテーテル内に一時的に装着するための内部ねじ付き部分を含んでいることを特徴とする透析カテーテル。
- 請求項1に記載の透析カテーテルにおいて、前記カテーテルの遠位チップ部分は、前記第一のルーメンを通して挿入された補強部材に当接するようになっている肩部を含んでおり、更に、前記肩部に当接して、前記カテーテル本体内に除去可能に配置できる補強部材を備え、該補強部材はカテーテル本体を張力下に置き、また前記補強部材にトルクを付与することにより、前記カテーテル本体が伸張されて、前記カテーテル本体の外径の少なくとも一部が減少されることを特徴とする透析カテーテル。
- 請求項8に記載の透析カテーテルにおいて、前記補強部材の近位部分は、前記補強部材を前記カテーテルに装着するための一連のねじ溝を有することを特徴とする透析カテーテル。
- 請求項1に記載の透析カテーテルにおいて、前記カテーテル本体の遠位部分は、その中に配置された補強挿入物を有し、該挿入物の中には、前記第一のルーメンと連通するルーメンが形成されていることを特徴とする透析カテーテル。
- 請求項10に記載のカテーテルであって、前記遠位チップ部分は、直径が小さい領域へとテーパしていることを特徴とするカテーテル。
- 請求項1に記載のカテーテルであって、更に、前記中央ルーメン内に除去可能に配置できる補強部材を備え、該補強部材は前記カテーテルに除去可能に装着でき、また、中を通してガイドワイヤを収容するためのルーメンを含んでいることを特徴とするカテーテル。
- 拡張套管針および透析カテーテルを備える透析カテーテルを配置するシステムにおいて;該システムは、
a)細長い管状部分および該管状部分を通して長手方向に延びるルーメンを有する套管針を備え、前記管状部分は組織を拡張して皮下組織トンネルを形成するように構成された拡張チップ内で終端し、前記套管針のルーメンは第一の内径を有し、且つガイドワイヤを回収するためにその中を通してガイドワイヤを除去可能に収容するように構成されており;
b)血液送達のために構成された第一のルーメン、および患者から血液を抜き取るために構成された第二の独立のルーメンを有する透析カテーテルを備え、該カテーテルの少なくとも一部は皮下組織トンネルを通して挿入するために構成された外径を有し、前記カテーテルのルーメンの一つは、前記套管針が除去されたときに、前記透析カテーテルをワイヤ上で組織トンネルを通して挿入するためのガイドワイヤを収容するように構成される;
ことを特徴とするシステム。 - 請求項13に記載のシステムにおいて、更に、前記ガイドワイヤの挿入のために、前記套管針のルーメンと連通した、前記套管針の中に形成された細長い開口部を含んでいることを特徴とするシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26059201P | 2001-01-09 | 2001-01-09 | |
PCT/US2002/000186 WO2002064202A2 (en) | 2001-01-09 | 2002-01-03 | Dialysis catheter |
Publications (3)
Publication Number | Publication Date |
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JP2005502387A JP2005502387A (ja) | 2005-01-27 |
JP2005502387A5 true JP2005502387A5 (ja) | 2005-12-22 |
JP4091844B2 JP4091844B2 (ja) | 2008-05-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2002563994A Expired - Fee Related JP4091844B2 (ja) | 2001-01-09 | 2002-01-03 | 透析カテーテル |
Country Status (8)
Country | Link |
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US (7) | US6858019B2 (ja) |
EP (1) | EP1383566B1 (ja) |
JP (1) | JP4091844B2 (ja) |
AU (1) | AU2002249904B2 (ja) |
CA (1) | CA2432330C (ja) |
DE (1) | DE60225431T2 (ja) |
ES (1) | ES2303546T3 (ja) |
WO (1) | WO2002064202A2 (ja) |
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-
2001
- 2001-12-19 US US10/025,505 patent/US6858019B2/en not_active Expired - Lifetime
- 2001-12-19 US US10/025,506 patent/US6814718B2/en not_active Expired - Lifetime
-
2002
- 2002-01-03 EP EP02718786A patent/EP1383566B1/en not_active Expired - Lifetime
- 2002-01-03 AU AU2002249904A patent/AU2002249904B2/en not_active Ceased
- 2002-01-03 DE DE60225431T patent/DE60225431T2/de not_active Expired - Lifetime
- 2002-01-03 JP JP2002563994A patent/JP4091844B2/ja not_active Expired - Fee Related
- 2002-01-03 CA CA002432330A patent/CA2432330C/en not_active Expired - Fee Related
- 2002-01-03 ES ES02718786T patent/ES2303546T3/es not_active Expired - Lifetime
- 2002-01-03 WO PCT/US2002/000186 patent/WO2002064202A2/en active Application Filing
-
2004
- 2004-08-23 US US10/924,075 patent/US7074213B2/en not_active Expired - Lifetime
- 2004-08-23 US US10/924,076 patent/US7799014B2/en not_active Expired - Fee Related
- 2004-09-10 US US10/939,102 patent/US7390322B2/en not_active Expired - Lifetime
-
2007
- 2007-10-30 US US11/978,733 patent/US20080097382A1/en not_active Abandoned
-
2010
- 2010-08-26 US US12/868,955 patent/US20110015559A1/en not_active Abandoned
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