JP4964592B2 - シーリングバルブ付きニードル - Google Patents
シーリングバルブ付きニードル Download PDFInfo
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- JP4964592B2 JP4964592B2 JP2006523957A JP2006523957A JP4964592B2 JP 4964592 B2 JP4964592 B2 JP 4964592B2 JP 2006523957 A JP2006523957 A JP 2006523957A JP 2006523957 A JP2006523957 A JP 2006523957A JP 4964592 B2 JP4964592 B2 JP 4964592B2
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- needle
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- passage
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- 238000007789 sealing Methods 0.000 title description 2
- 239000012530 fluid Substances 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 9
- 210000004204 blood vessel Anatomy 0.000 description 22
- 239000008280 blood Substances 0.000 description 13
- 210000004369 blood Anatomy 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 210000003462 vein Anatomy 0.000 description 5
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- 230000004872 arterial blood pressure Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
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- 239000004418 Lexan Substances 0.000 description 1
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- 208000002151 Pleural effusion Diseases 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
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- 210000004731 jugular vein Anatomy 0.000 description 1
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- 229920002635 polyurethane Polymers 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M25/09041—Mechanisms for insertion of guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/065—Guide needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0693—Flashback chambers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
- A61M39/0606—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof without means for adjusting the seal opening or pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
- A61M39/0693—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof including means for seal penetration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3293—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle hub
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
本出願は、2003年8月18日に出願された米国仮特許出願第60/495,988号からの優先権を主張するものである。
本発明は、ニードルハブ内に組み込まれたバルブを有するカテーテル挿入ニードルに関する。
流体の注入又は除去用のカテーテルが、流体を注入したり除去したりするために、身体じゅうの様々な静脈の部位及び内腔(cavity)に配置され得る。かかるカテーテル法は、複数の管腔を備えた単一のカテーテルを用いることにより実施され得る。複数の管腔カテーテルの典型的な例は、1つの管腔が流体を導き、また、1つの管腔が流体を除去するデュアル管腔カテーテルである。カテーテル法は、また、カテーテルが挿入されるべき領域内に、2つの異なる切開口に挿入された別個の単一カテーテルを用いることに実施され得る。かかる複数のカテーテルのアッセンブリは、テシオ(Tesio)(登録商標)のカテーテルとして知られている。
簡潔には、本発明は、尖形状の遠位端と、近位端とを有する中空のニードルを有するニードルアッセンブリを提供する。このアッセンブリは、また、ニードルに固定式に接続された遠位ハブ端と、開口部を備えた近位ハブ端と、上記遠位端と近位端との間に通じて延びる通路とを備えたニードルハブを有している。バルブは、上記通路内に配置される。そして、ここでは、バルブが、その内部に設けられた少なくとも1つの貫通孔を備えたシール部材と、該シール部材の近傍に配置され第1の位置と第2の位置との間で摺動可能なプランジャとを有している。上記第1の位置は、中空のニードル及び近位ハブ端が互いに流体通過可能に連絡しないように、上記少なくとも1つの貫通孔が閉ざされる位置であり、他方、上記第2の位置は、中空のニードル及び近位ハブ端が互いに流体通過可能に連絡するように、上記プランジャが上記少なくとも1つの貫通孔を開いた位置に付勢する位置である。
図面では、同様の符号は、全体を通じて同様の構成要素をあらわす。用語「遠位」及び「近位」は、それぞれ、本発明に係るニードルアッセンブリの挿入端及び接続端をあらわす。専門用語は、とりわけ上述した用語、その派生語、類似した趣旨の用語を含む。後述する実施形態は、排他的でなく、開示された形式に本発明を制限するものでない。これらの実施形態は、本発明の原理及びその用途並びに実用を最良に説明するために、また、他の当業者に本発明を最良に利用させるために、選択されまた記述される。
注射器170は、当該注射器170がハブ120の近位端124で雄ネジ132に螺合することを可能にする雌ネジ172を有している。ルアコネクタ171は、フランジ168に係合し、プランジャ146と同調して、通路126に沿って、遠位方向に、フランジ168を配置させる。プランジャ146の最遠位端164は、シール144の遠位部分148に係合し、それにより、貫通孔150に沿って、シール142を通じてバルブ140が開かれる。その結果、ハブ120の近位端124における通路126は、ニードル110の中空のカニューレ挿入部116と流体を通過可能とする状態になる。
Claims (5)
- 尖形状の遠位端と、近位端とを有する中空のニードルと、
ニードルに固定式に接続された遠位ハブ端と、近接したネジ部を有する開口部を備えた近位ハブ端と、上記遠位ハブ端と近位ハブ端との間に通じて延びる通路とを備えた、一部品からなる構造体である、ニードルハブと、
上記通路内の固定位置に配置されるバルブであって、a)その内部に設けられた少なくとも1つの貫通孔を備えたシール部材と、b)該シール部材の近傍に配置されたプランジャであり、上記中空のニードル及び近位ハブ端が互いに流体通過可能に連絡しないように、上記少なくとも1つの貫通孔が閉ざされる位置である第1の位置と、上記中空のニードル及び近位ハブ端が互いに流体通過可能に連絡するように、上記プランジャが上記少なくとも1つの貫通孔を開いた位置に付勢する位置である第2の位置との間で摺動可能なプランジャと、c)上記シール部材とプランジャとの間に配置される支持部材であって、上記通路内において上記シール部材の位置を固定するために上記通路の側壁の一部に係合すると共に、上記プランジャの近位方向への移動が上記第1の位置に制限されるように当該プランジャと係合する支持部材と、を備えたバルブとを有している、ニードルアッセンブリ。 - 上記シール部材,支持部材及びプランジャが、全て、上記通路内に全体的に配置される、請求項1記載のニードルアッセンブリ。
- 上記ニードルハブが、更に、該ニードルハブを通過して延びる長手方向の中心線を有している、請求項1記載のニードルアッセンブリ。
- 上記シール部材が、上記長手方向の中心線のまわりに全体的に配置される、請求項3記載のニードルアッセンブリ。
- 更に、上記ニードルハブの近位端に取り外し可能に接続される球状膨出部を有している、請求項1記載のニードルアッセンブリ。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49598803P | 2003-08-18 | 2003-08-18 | |
US60/495,988 | 2003-08-18 | ||
US10/910,684 | 2004-08-03 | ||
US10/910,684 US7470254B2 (en) | 2003-08-18 | 2004-08-03 | Needle with sealing valve |
PCT/US2004/026502 WO2005018706A2 (en) | 2003-08-18 | 2004-08-12 | Needle with sealing valve |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007508854A JP2007508854A (ja) | 2007-04-12 |
JP2007508854A5 JP2007508854A5 (ja) | 2011-06-23 |
JP4964592B2 true JP4964592B2 (ja) | 2012-07-04 |
Family
ID=34198079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006523957A Expired - Lifetime JP4964592B2 (ja) | 2003-08-18 | 2004-08-12 | シーリングバルブ付きニードル |
Country Status (5)
Country | Link |
---|---|
US (1) | US7470254B2 (ja) |
EP (1) | EP1656168B1 (ja) |
JP (1) | JP4964592B2 (ja) |
CA (1) | CA2535600C (ja) |
WO (1) | WO2005018706A2 (ja) |
Families Citing this family (120)
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-
2004
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- 2004-08-12 EP EP04781223.5A patent/EP1656168B1/en not_active Expired - Lifetime
- 2004-08-12 WO PCT/US2004/026502 patent/WO2005018706A2/en active Application Filing
- 2004-08-12 CA CA2535600A patent/CA2535600C/en not_active Expired - Fee Related
- 2004-08-12 JP JP2006523957A patent/JP4964592B2/ja not_active Expired - Lifetime
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EP1656168A2 (en) | 2006-05-17 |
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US20050043684A1 (en) | 2005-02-24 |
US7470254B2 (en) | 2008-12-30 |
WO2005018706A3 (en) | 2006-09-28 |
EP1656168A4 (en) | 2007-08-08 |
EP1656168B1 (en) | 2013-12-04 |
CA2535600A1 (en) | 2005-03-03 |
WO2005018706A2 (en) | 2005-03-03 |
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