JP4538471B2 - カテーテル挿入装置 - Google Patents
カテーテル挿入装置 Download PDFInfo
- Publication number
- JP4538471B2 JP4538471B2 JP2007057397A JP2007057397A JP4538471B2 JP 4538471 B2 JP4538471 B2 JP 4538471B2 JP 2007057397 A JP2007057397 A JP 2007057397A JP 2007057397 A JP2007057397 A JP 2007057397A JP 4538471 B2 JP4538471 B2 JP 4538471B2
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- JP
- Japan
- Prior art keywords
- needle
- catheter
- hub
- valve
- hollow needle
- 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.)
- Expired - Lifetime
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Classifications
-
- 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
- A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. 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
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain 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
- A61M25/0097—Catheters; Hollow probes characterised by the hub
-
- 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
- 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
- A61M39/221—Frangible or pierceable closures within tubing
-
- 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
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
- A61M2005/3247—Means to impede repositioning of protection sleeve from needle covering to needle uncovering position
- A61M2005/325—Means obstructing the needle passage at distal end of a needle protection sleeve
-
- 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
- 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
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3273—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel freely sliding on needle shaft without connection to syringe or needle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Gastroenterology & Hepatology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Description
Claims (7)
- 遠位端にカテーテル(4)が取り付けられた、ほぼ中空円柱形のカテーテルハブ(2)と、
準備完了位置においては上記カテーテルハブ(2)と上記カテーテル(4)とを通って伸びる中空ニードル(9)が取り付けられているニードルハブ(8)と、
上記カテーテルハブ(2)内に配置されたチェックバルブ(7)であって、準備完了位置においては上記中空ニードル(9)を、該チェックバルブを通り抜けるように伸長させ、上記中空ニードルの除去後に自動的に閉じるようになっているチェックバルブと、
上記カテーテルハブ(2)内において上記チェックバルブ(7)の近傍に配置されて取り換え可能に案内され、上記中空ニードル(9)を受け入れるための中空円柱形空間部を有しているバルブ駆動部材(10)とが設けられているカテーテル挿入装置であって、
さらに、上記バルブ駆動部材(10)の上記中空円柱形空間部内において上記中空ニードル(9)上で移動可能に配置されたニードル保護部材(13)が設けられていて、
上記ニードル保護部材(13)は、準備完了位置においては上記バルブ駆動部材(10)の内側周縁部に形成された係合手段と係合する係合部(13a、13b)を有し、
かつ、上記ニードル保護部材(13)は、上記カテーテルハブ(2)から上記中空ニードルを除去した後にニードル先端部近傍で上記中空ニードルと係合することができるようになっていることを特徴とするカテーテル挿入装置。 - 上記カテーテルハブ(2)が2部品構成であり、上記チェックバルブ(7)が、互いに結合された遠位ハブ部材(3)と近位ハブ部材(5)との間に保持されていることを特徴とする、請求項1に記載のカテーテル挿入装置。
- 上記バルブ駆動部材(10)が、先端が切り取られた円錐形の遠位端部部(10a)を備えた中空円柱体として形成されていることを特徴とする、請求項1に記載のカテーテル挿入装置。
- 上記バルブ駆動部材(10)の内側周縁部に形成された上記係合手段が、半径方向に突出する突出部(10f)の形態であることを特徴とする、請求項1に記載のカテーテル挿入装置。
- 上記チェックバルブ(7)がバルブディスクの形態であって、上記バルブディスクが、該バルブディスクの中心部から半径方向外向きに伸びる少なくとも1つの半径方向スリット(7a)を備えていることを特徴とする、請求項1に記載のカテーテル挿入装置。
- 上記中空ニードル(9)が、クリンプ部(9b)の形態の上記ニードル保護部材(13)のための係合手段を有していることを特徴とする、請求項1〜5のいずれか1つに記載のカテーテル挿入装置。
- 上記ニードル保護部材が、開口部が設けられた後壁(13c)に端を発し直径方向にみて反対向きのバネアーム(13a、13b)を有するバネクリップ(13)として形成されていて、
上記バネアームが互いに交差するとともに、準備完了位置においては上記中空ニードルによって強制的に離間させられ、
上記中空ニードルを上記カテーテルから除去する際に、上記中空ニードルの上記クリンプ部(9b)が上記ニードル保護部材(13)の後壁(13c)に当接したときに、上記バネアームの遠位端部がニードル先端部と重なり合って該先端部を遮蔽することを特徴とする、請求項6に記載のカテーテル挿入装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20210394U DE20210394U1 (de) | 2002-07-04 | 2002-07-04 | Kathetereinführvorrichtung |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004518674A Division JP4510619B2 (ja) | 2002-07-04 | 2003-07-02 | カテーテル挿入装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007136246A JP2007136246A (ja) | 2007-06-07 |
JP4538471B2 true JP4538471B2 (ja) | 2010-09-08 |
Family
ID=7972872
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004518674A Expired - Lifetime JP4510619B2 (ja) | 2002-07-04 | 2003-07-02 | カテーテル挿入装置 |
JP2007057397A Expired - Lifetime JP4538471B2 (ja) | 2002-07-04 | 2007-03-07 | カテーテル挿入装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004518674A Expired - Lifetime JP4510619B2 (ja) | 2002-07-04 | 2003-07-02 | カテーテル挿入装置 |
Country Status (11)
Country | Link |
---|---|
US (9) | US7736339B2 (ja) |
EP (2) | EP1911485B1 (ja) |
JP (2) | JP4510619B2 (ja) |
AT (2) | ATE442179T1 (ja) |
AU (2) | AU2003246358C1 (ja) |
DE (3) | DE20210394U1 (ja) |
ES (2) | ES2300614T3 (ja) |
MX (3) | MXPA04012830A (ja) |
PT (1) | PT1545681E (ja) |
WO (1) | WO2004004819A1 (ja) |
ZA (1) | ZA200500920B (ja) |
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- 2003-07-02 JP JP2004518674A patent/JP4510619B2/ja not_active Expired - Lifetime
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08219314A (ja) * | 1994-11-29 | 1996-08-30 | B Braun Melsungen Ag | 弁装置 |
JP2001514943A (ja) * | 1997-08-20 | 2001-09-18 | ベー・ブラウン・メルズンゲン・アクチエンゲゼルシャフト | 安全静脈内カテーテルの針先端保護用ばねクリップ |
JP2002126080A (ja) * | 2000-06-12 | 2002-05-08 | Terumo Corp | 穿刺具および留置針組立体 |
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