WO2015117534A1 - Aiguille hypodermique pour perfusion intraveineuse - Google Patents

Aiguille hypodermique pour perfusion intraveineuse Download PDF

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Publication number
WO2015117534A1
WO2015117534A1 PCT/CN2015/000075 CN2015000075W WO2015117534A1 WO 2015117534 A1 WO2015117534 A1 WO 2015117534A1 CN 2015000075 W CN2015000075 W CN 2015000075W WO 2015117534 A1 WO2015117534 A1 WO 2015117534A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle
blood vessel
intravenous infusion
spring
inner needle
Prior art date
Application number
PCT/CN2015/000075
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English (en)
Chinese (zh)
Inventor
闫雪松
Original Assignee
闫雪松
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 闫雪松 filed Critical 闫雪松
Publication of WO2015117534A1 publication Critical patent/WO2015117534A1/fr

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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
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body

Definitions

  • the invention relates to an intravenous infusion needle
  • Intravenous infusion is one of the important measures for clinical rescue and treatment of patients in hospital.
  • the most commonly used disposable intravenous infusion needle is to insert the infusion tube on the tubular injection needle.
  • the needle When using, the needle is inserted into the patient's blood vessel.
  • the infusion tube and the infusion needle enter the blood vessel.
  • this kind of disposable intravenous infusion needle has the following disadvantages: First, the infusion has high requirements on the nurse's business level, and it is difficult to grasp whether the needle penetrates into the blood vessel. Second, the infusion process, the patient's activities are limited, the needle is less likely to pierce the blood vessels and cause needle rolling. The above problems have not been solved so far.
  • the present invention overcomes the above deficiencies. It is proposed that the needle can not be caused by the needle, and the intravenous infusion needle can be judged by the naked eye whether the needle of the intravenous infusion needle enters the blood vessel and the needle is completed.
  • the intravenous infusion needle of the present invention adopts the following scheme: an intravenous infusion needle, including an inner needle and an outer needle, wherein the inner needle and the outer needle are connected by a spring, and one of the inner needle and the outer needle is a flat head.
  • the needle and the other are pointed needles.
  • the front end of the flat needle protrudes from the front end of the pointed needle and is elastically stretched and slidably fitted.
  • the beneficial effect of the invention compared with the prior art is that the flat needle of the front end of the intravenous infusion needle contacts the skin, and under the action of external force, the flat needle moves backward, the pointed needle comes out, the blood vessel is pierced, the pointed needle enters the blood vessel, and the needle is inserted.
  • the elastic force is increased, the flat needle cannot be moved backward, and the needle is inserted into the blood vessel. Since there is no resistance in front of the blood vessel, the flat needle pops up, and when the nurse sees the flat needle pops up, it knows that the needle is finished. At the same time, the front end of the flat needle is in front to avoid needle rolling.
  • Fig. 1 is a schematic view showing the structure of an external needle which is a pointed needle, an inner needle which is a flat needle, and an intravenous infusion needle.
  • Fig. 2 is a schematic view showing the structure of the external needle being a flat needle, the inner needle being a pointed needle, and the intravenous infusion needle.
  • the intravenous infusion needle, the outer needle 1 and the inner needle 2 are connected by a spring 3 which is one of elastic materials.
  • the front end of the spring 3 is connected with the outer needle 1
  • the rear end of the spring 3 is connected with the inner needle 2
  • the front end of the inner needle 2 protrudes from the front end of the outer needle 1
  • the outer part of the spring 3 is covered by the elastic gel material 5, preventing the needle from penetrating into the blood vessel, and the blood is in the blood vessel.
  • the outer needle 1 is a pointed needle
  • the inner needle 2 is a flat needle
  • the outer needle 1 and the inner needle 2 are elastically stretched and slidably engaged.
  • the inner needle 2 When the front end of the intravenous infusion needle is in contact with the skin, the inner needle 2 is forced to move backward, the outer needle 1 is forwarded, the blood vessel is pierced, the inner needle 2 is driven into the blood vessel, the spring 3 is stretched, and the elastic force is generated, and the current side has no resistance.
  • the needle 2 is ejected under the action of the spring 3, and the nurse shrinks by looking at the spring 3 to know that the needle is completed.
  • the intravenous infusion needle includes an outer needle 2 and an inner needle 1, which are connected by a spring 3 which is one of elastic materials.
  • the outer needle 2 is a flat needle
  • the inner needle 1 is a pointed needle
  • the front end of the outer needle 2 protrudes from the front end of the inner needle 1
  • the front end of the spring 3 is connected to the outer needle 2
  • the rear end is connected to the inner needle 1
  • the outer side of the spring 3 is made of elastic rubber.
  • the material 5 is covered to prevent blood vessel blood from flowing out from the gap between the inner needle 1 and the outer needle 2
  • 4 is a handle.
  • the outer needle 2 moves backward, the inner needle 1 punctured the blood vessel, the inner needle 1 enters the blood vessel, the spring 3 compresses, and as the elastic force increases, the outer needle 2 and the inner needle 1 After entering the blood vessel, the outer needle 2 is ejected due to the small resistance in front, and the nurse sees the outer needle 2 popping forward, and the needle is completed.

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

Ladite aiguille hypodermique pour perfusion intraveineuse comprend une aiguille interne (2) et une aiguille externe (1), un ressort (3), une partie de préhension (4) et un gel (5). Lesdites aiguilles interne et externe (2, 1) sont reliées par un ressort (3) et coulissent par extension élastique, une aiguille présentant une extrémité plate et l'autre une extrémité pointue. Lors de la perfusion intraveineuse par le personnel infirmier, l'aiguille interne (2) se déplace après être entrée en contact avec la peau et est entraînée par l'aiguille externe (1), laquelle avance jusqu'à percer la peau et pénétrer une veine en vue d'une perfusion intraveineuse. Comme l'aiguille interne (2) pénétrant l'avant du vaisseau sanguin est éjectée en raison de son manque de résistance, le personnel infirmier est en mesure de déterminer, selon l'extension ou compression du ressort (3), si l'aiguille hypodermique de perfusion intraveineuse a réussi à pénétrer la veine.
PCT/CN2015/000075 2014-02-06 2015-02-02 Aiguille hypodermique pour perfusion intraveineuse WO2015117534A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410048290.7A CN104826193A (zh) 2014-02-06 2014-02-06 静脉输液注射针
CN201410048290.7 2014-02-06

Publications (1)

Publication Number Publication Date
WO2015117534A1 true WO2015117534A1 (fr) 2015-08-13

Family

ID=53777334

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/000075 WO2015117534A1 (fr) 2014-02-06 2015-02-02 Aiguille hypodermique pour perfusion intraveineuse

Country Status (2)

Country Link
CN (1) CN104826193A (fr)
WO (1) WO2015117534A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2247536Y (zh) * 1995-08-07 1997-02-19 励印龙 不跑针的输液器
CN2850626Y (zh) * 2005-04-23 2006-12-27 陈树林 伸缩式吊针针头
CN201091737Y (zh) * 2007-09-27 2008-07-30 程基才 静脉输液注射针及静脉输液器
EP1985324A1 (fr) * 2007-04-24 2008-10-29 Nipro Corporation Aiguille à demeure avec protection d'aiguille
WO2010036003A2 (fr) * 2008-09-26 2010-04-01 Song Gyung Jin Aiguille réversible jetable en résine pour vaisseau sanguin
CN202409688U (zh) * 2011-12-20 2012-09-05 贺娜英 安全输液针
CN203291313U (zh) * 2013-06-18 2013-11-20 浙江康德莱医疗器械股份有限公司 一种安全静脉输液留置针组件
CN203943968U (zh) * 2014-02-09 2014-11-19 闫雪松 静脉输液注射针

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2570777B2 (ja) * 1987-11-13 1997-01-16 日本電気株式会社 光磁気記録の記録方式
CN101011613A (zh) * 2007-02-02 2007-08-08 方峥评 安全型密闭式静脉留置针
EP1985323A1 (fr) * 2007-04-24 2008-10-29 Nipro Corporation Aiguille à demeure
CN201356858Y (zh) * 2009-03-09 2009-12-09 石学银 新型医用血管留置针
CN201426759Y (zh) * 2009-05-27 2010-03-24 湖州市中心医院 安全型医用穿刺器
CN201414968Y (zh) * 2009-05-31 2010-03-03 广东龙心医疗器械有限公司 一次性使用安全静脉留置针
CN202590067U (zh) * 2012-05-03 2012-12-12 韩宏光 一种安全血管穿刺留置针
CN202740530U (zh) * 2012-05-29 2013-02-20 田玉国 一次性输液器防鼓针针头
CN203060458U (zh) * 2012-12-28 2013-07-17 深圳市卫邦科技有限公司 针头结构及具有该针头结构的输液软管
CN203303435U (zh) * 2013-05-15 2013-11-27 浙江康泰医疗器械有限公司 新型笔式留置针

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2247536Y (zh) * 1995-08-07 1997-02-19 励印龙 不跑针的输液器
CN2850626Y (zh) * 2005-04-23 2006-12-27 陈树林 伸缩式吊针针头
EP1985324A1 (fr) * 2007-04-24 2008-10-29 Nipro Corporation Aiguille à demeure avec protection d'aiguille
CN201091737Y (zh) * 2007-09-27 2008-07-30 程基才 静脉输液注射针及静脉输液器
WO2010036003A2 (fr) * 2008-09-26 2010-04-01 Song Gyung Jin Aiguille réversible jetable en résine pour vaisseau sanguin
CN202409688U (zh) * 2011-12-20 2012-09-05 贺娜英 安全输液针
CN203291313U (zh) * 2013-06-18 2013-11-20 浙江康德莱医疗器械股份有限公司 一种安全静脉输液留置针组件
CN203943968U (zh) * 2014-02-09 2014-11-19 闫雪松 静脉输液注射针

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