JP4997456B2 - 内視鏡用注射具 - Google Patents
内視鏡用注射具 Download PDFInfo
- Publication number
- JP4997456B2 JP4997456B2 JP2006148962A JP2006148962A JP4997456B2 JP 4997456 B2 JP4997456 B2 JP 4997456B2 JP 2006148962 A JP2006148962 A JP 2006148962A JP 2006148962 A JP2006148962 A JP 2006148962A JP 4997456 B2 JP4997456 B2 JP 4997456B2
- Authority
- JP
- Japan
- Prior art keywords
- injection
- needle
- injection needle
- endoscope
- tip
- 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 - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Endoscopes (AREA)
Description
そのような内視鏡用注射具は一般に、先端部分を斜めに鋭くカットすることにより針状に形成された注射針が、内視鏡の処置具案内管に挿脱される送液管の先端に接続された構成になっている(例えば、特許文献1)。
しかし、そのような先端が鋭く尖った注射針を粘膜に突き刺すと、注射針の最先端部分が当たる位置にある血管が、細い毛細血管も含め、注射針で切断されたり切り裂かれたりして出血が発生する。
本発明はそのような問題を解決するためになされたものであり、注射針を粘膜に突き刺したときの血管からの出血を大幅に減少させ、注射後においても周辺粘膜の状態を鮮明に内視鏡観察して、粘膜切除術等を円滑に行うことができる内視鏡用注射具を提供することを目的とする。
図3は内視鏡用注射具の全体構成を示しており、図示されていない内視鏡の処置具案内管内に挿脱される可撓性シース1は、例えば密着巻きの金属コイル又はフッ素樹脂チューブ等によって形成されている。可撓性シース1内には、腰の強い例えばPEEK(ポリエーテルエーテルケトン)樹脂チューブ又はフッ素樹脂チューブ等のような可撓性チューブからなる送液管2がスライド自在に全長にわたり挿通配置され、その送液管2の先端に注射針3が接続固着されている。
3…注射針
6…斜面
7…最先端部分
8…側縁部
Claims (1)
- 内視鏡の処置具案内管に挿脱される送液管の先端に筒状の注射針が接続された内視鏡用注射具において、
前記注射針の先端部分が斜めにカットされた形状の針状に形成され、前記注射針の最先端部分が鈍に形成されると共に前記筒状の内側に向かって球状又は半球状に盛り上がっていることを特徴とする内視鏡用注射具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006148962A JP4997456B2 (ja) | 2006-04-27 | 2006-04-27 | 内視鏡用注射具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006148962A JP4997456B2 (ja) | 2006-04-27 | 2006-04-27 | 内視鏡用注射具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007296280A JP2007296280A (ja) | 2007-11-15 |
JP4997456B2 true JP4997456B2 (ja) | 2012-08-08 |
Family
ID=38766286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006148962A Expired - Fee Related JP4997456B2 (ja) | 2006-04-27 | 2006-04-27 | 内視鏡用注射具 |
Country Status (1)
Country | Link |
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JP (1) | JP4997456B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5901250B2 (ja) * | 2011-11-25 | 2016-04-06 | 旭化成メディカル株式会社 | 穿刺針 |
JP2013172842A (ja) * | 2012-02-24 | 2013-09-05 | Top Corp | 内視鏡用穿刺針装置 |
JP6273827B2 (ja) * | 2012-12-28 | 2018-02-07 | 大日本印刷株式会社 | 穿刺器具およびその製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5383901A (en) * | 1993-10-18 | 1995-01-24 | Ethicon, Inc. | Blunt point needles |
JPH09149936A (ja) * | 1995-11-30 | 1997-06-10 | Jms Co Ltd | 医療用針 |
GB9919218D0 (en) * | 1999-08-13 | 1999-10-20 | Imprint Pharm Ltd | Injection means |
JP4493126B2 (ja) * | 1999-08-20 | 2010-06-30 | オリンパス株式会社 | 内視鏡用注射針 |
KR100706009B1 (ko) * | 2000-07-03 | 2007-04-11 | 도쿠타 쟈판 가부시키가이샤 | 의료용 베벨 바늘 |
JPWO2004045686A1 (ja) * | 2002-11-15 | 2006-03-16 | ビー・ブラウンエースクラップ株式会社 | 誤刺し防止針及びその製造方法 |
JP2004358016A (ja) * | 2003-06-06 | 2004-12-24 | Nipro Corp | 穿刺ルートに沿って刺入が容易な穿刺針 |
JP3113089U (ja) * | 2005-05-16 | 2005-09-02 | 小関医科株式会社 | 肋間縫合用鈍針 |
-
2006
- 2006-04-27 JP JP2006148962A patent/JP4997456B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007296280A (ja) | 2007-11-15 |
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