JP2009018182A - 湾曲した先端を有した針に先端保護具を保持する方法 - Google Patents
湾曲した先端を有した針に先端保護具を保持する方法 Download PDFInfo
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- JP2009018182A JP2009018182A JP2008228279A JP2008228279A JP2009018182A JP 2009018182 A JP2009018182 A JP 2009018182A JP 2008228279 A JP2008228279 A JP 2008228279A JP 2008228279 A JP2008228279 A JP 2008228279A JP 2009018182 A JP2009018182 A JP 2009018182A
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- 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
- A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
-
- 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
-
- 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
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/917—Body fluid, devices for protection therefrom, e.g. aids, hepatitus
- Y10S128/919—Syringe, means to protect user
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Anesthesiology (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Cold Cathode And The Manufacture (AREA)
- Details Of Garments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
【解決手段】針先端保護具に設けたスリーブが針先端の湾曲部で係止されるようにスリー
ブの径と長さを適切に選定する。先端に隣接して湾曲した部分又は曲げ部(20)を有した針(32)に先端保護具(1
0)を保持するためのシステムが提供される。ブラウンクリップ先端保護具(10)は、
針の周囲に取り付けられる小さなスリーブ(12)と組み合わせて使用され、スリーブが
曲げ部によって停止させられるまで針先端に向かって自由に摺動できるようになっている。
その停止させられた位置では、先端保護具は、先端を覆うが、針の端部から滑り外れることができない。
【選択図】図5
Description
本発明は、大別して、例えば脊髄注射で使用される改良された先端を有する針に関し、詳細には、このような針のための先端保護具を保持する方法に関する。
歴史上、医療分野では、多くの処置において針が必要とされてきた。残念なことに、針による偶発的な負傷の危険は、AIDSや肝炎のような様々な血行性疾患の感染の危険性に起因して、高まってきた。多くの処置では、針の使用が減らされたり無くされたりしてきたが、針の使用が不可避である状況も多く残っている。これらの場合には、針による人への偶発的な負傷の危険を可能な限り限定することが望ましい。
したがって、本発明の目的は、針を折り曲げたり針の外形を変形させたりすることを伴うことなく、湾曲した先端若しくは改良された先端を有した針に先端保護具を保持する方法を提供することにある。
図1及び図2は、先端の湾曲部又は曲げ部20によって特徴付けられているヒューバー針を示している。曲げ部は、針の先端の開口部34の縁端38が針32の軸線と平行になることを可能とさせている。このことは、組織が芯に入って中空針内に留まることにより中空針を詰まらせることを防止する手助けをする。このタイプの針は、通常、医療従事者が、脊柱や胸郭のような相当に硬い組織によって保護されている領域に液体(薬剤を含む場合もある)を注射する場合に使用される。
Claims (7)
- オーバーザニードルカテーテルの保護装置において,
針基部は、針を針先から離隔した端部位置で保持し,
針保護エレメントは,
針がその内部を貫通する保持スリーブが恒久的に固着された壁部と,
該壁部から延在する2本の可撓性アームとを有し,
該2本の可撓性アームは、そのそれぞれの遠端部が、互いに軸方向にオフセットし、待機位置において針の両側側面に圧接するとともに,針保護位置において針先端を覆うようになされ、
前記針基部の遠位端にはその内部を針が貫通するハブが配置され,該ハブは,外周面と,前記針保護エレメントをその内部に収容するとともに係合関係によって保持する内部間隙部を画成する内周面とを有し,
前記ハブは前記外周面を把持されて遠位端方向にスライドして針基部から離隔するとともに,前記針保護エレメントを針保護位置に移動させ,該針保護位置において前記針保護エレメントはハブとの係合関係から離脱して針先端を保護し,
針先端近傍の異形部は、前記針保護エレメントの壁部のスリーブと干渉して針保護エレメントの移動を阻止することを特徴とするオーバーザニードルカテーテルの保護装置。 - 前記保持スリーブの断面は略円形である請求項1のオーバーザニードルカテーテルの保護装置。
- 前記保持スリーブは金属製である請求項1または2のオーバーザニードルカテーテルの保護装置。
- 前記保持スリーブの内径は前記針の外径よりも0.00254mm乃至0.076mm大きい請求項1乃至3のオーバーザニードルカテーテルの保護装置。
- 前記可撓性アームは板バネ構造により弾性を付与されている請求項1のオーバーザニードルカテーテルの保護装置。
- 前記可撓性アームの板バネ構造は打ち抜き及び曲げ加工によって形成される請求項5のオーバーザニードルカテーテルの保護装置。
- 前記針保護エレメントの壁部は打ち抜き及び曲げ加工によって形成される請求項1のオーバーザニードルカテーテルの保護装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/772,506 US6585704B2 (en) | 2001-01-29 | 2001-01-29 | Method of retaining a tip protector on a needle with a curved tip |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002560706A Division JP4239193B2 (ja) | 2001-01-29 | 2002-01-09 | 湾曲した先端を有した針に先端保護具を保持する方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009018182A true JP2009018182A (ja) | 2009-01-29 |
Family
ID=25095291
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002560706A Expired - Fee Related JP4239193B2 (ja) | 2001-01-29 | 2002-01-09 | 湾曲した先端を有した針に先端保護具を保持する方法 |
JP2008228279A Pending JP2009018182A (ja) | 2001-01-29 | 2008-09-05 | 湾曲した先端を有した針に先端保護具を保持する方法 |
JP2008228285A Expired - Fee Related JP5039668B2 (ja) | 2001-01-29 | 2008-09-05 | 湾曲した先端を有した針に先端保護具を保持する方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002560706A Expired - Fee Related JP4239193B2 (ja) | 2001-01-29 | 2002-01-09 | 湾曲した先端を有した針に先端保護具を保持する方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008228285A Expired - Fee Related JP5039668B2 (ja) | 2001-01-29 | 2008-09-05 | 湾曲した先端を有した針に先端保護具を保持する方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6585704B2 (ja) |
EP (2) | EP1365822B1 (ja) |
JP (3) | JP4239193B2 (ja) |
AT (1) | ATE506090T1 (ja) |
DE (1) | DE60239787D1 (ja) |
ES (2) | ES2422712T3 (ja) |
WO (1) | WO2002060515A1 (ja) |
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- 2002-01-09 EP EP02707426A patent/EP1365822B1/en not_active Expired - Lifetime
- 2002-01-09 JP JP2002560706A patent/JP4239193B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
EP1365822A4 (en) | 2008-06-18 |
JP5039668B2 (ja) | 2012-10-03 |
DE60239787D1 (de) | 2011-06-01 |
EP1365822A1 (en) | 2003-12-03 |
ES2422712T3 (es) | 2013-09-13 |
EP2366413B1 (en) | 2013-04-10 |
JP4239193B2 (ja) | 2009-03-18 |
JP2004518468A (ja) | 2004-06-24 |
EP1365822B1 (en) | 2011-04-20 |
EP2366413A1 (en) | 2011-09-21 |
US6585704B2 (en) | 2003-07-01 |
US20020103463A1 (en) | 2002-08-01 |
JP2008289929A (ja) | 2008-12-04 |
ES2361980T3 (es) | 2011-06-24 |
ATE506090T1 (de) | 2011-05-15 |
WO2002060515A1 (en) | 2002-08-08 |
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