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CN201384543Y - 一种骨科手术用穿刺针 - Google Patents

一种骨科手术用穿刺针 Download PDF

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Publication number
CN201384543Y
CN201384543Y CN200920020328U CN200920020328U CN201384543Y CN 201384543 Y CN201384543 Y CN 201384543Y CN 200920020328 U CN200920020328 U CN 200920020328U CN 200920020328 U CN200920020328 U CN 200920020328U CN 201384543 Y CN201384543 Y CN 201384543Y
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Prior art keywords
needle
closing member
stylet
nook closing
nut
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CN200920020328U
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邵卫星
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SHANDONG GUANLONG MEDICAL UTENSILS CO Ltd
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Individual
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Priority to CN200920020328U priority Critical patent/CN201384543Y/zh
Priority to KR1020117015418A priority patent/KR20110091807A/ko
Priority to BRPI0924497A priority patent/BRPI0924497A2/pt
Priority to US13/257,600 priority patent/US20120010643A1/en
Priority to JP2012502415A priority patent/JP2012522539A/ja
Priority to PCT/CN2009/000723 priority patent/WO2010111811A1/zh
Priority to EP09842468.2A priority patent/EP2415410A4/en
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Publication of CN201384543Y publication Critical patent/CN201384543Y/zh
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • A61B17/1604—Chisels; Rongeurs; Punches; Stamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • 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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Surgical Instruments (AREA)

Abstract

本实用新型提供了一种医疗手术器械，尤其是一种骨科手术用穿刺针的技术方案，该方案包括有针管和固定针管的针管座，以及插入针管带有刃口的针芯和固定针芯的针芯座，在针管座上还有穿过针芯的空心螺栓，本方案是在所述的针芯座上固定有一与空心螺栓配合的螺母，该螺母的轴线与所述针芯的轴线同轴。所述的空心螺栓是鲁尔圆锥接头。所述的螺母与针芯和针芯座是一体结构。

Description

一种骨科手术用穿刺针
技术领域：
本实用新型涉及的是一种医疗用的手术器械，尤其是一种骨科手术用穿刺针。
背景技术：
在现有技术中，公知的技术是在用的穿刺针，现有的穿刺针在手术时由于刃口是突出在针管之外，当需要插入骨质时，刃口受到的阻力很大，能使针芯缩进针管内，给手术操作带来不便；而当穿刺完成需要将针芯退出时，由于骨质的密度较大，又夹紧针芯使针芯难以退出，严重时甚至可使针芯与针芯座脱离，给手术操作造成不必要的麻烦，使手术不能顺利进行，这是现有技术所存在的不足之处。
发明内容：
本实用新型的目的，就是针对现有技术所存在的不足，而提供一种骨科手术用穿刺针技术方案，该方案是在针芯座上固定有与空心螺栓配合的螺母，该螺母可用针芯座旋入空心螺栓，使针芯座与针管座固定，有利于穿刺针的插入和针芯的退出。
本方案是通过如下技术措施来实现的：该穿刺针包括有针管和固定针管的针管座，以及插入针管带有刃口的针芯和固定针芯的针芯座，在针管座上还有穿过针芯的空心螺栓，本方案的特点是在所述的针芯座上固定有一与空心螺栓配合的螺母，该螺母的轴线与所述针芯的轴线同轴。本方案具体的特点还有，所述的空心螺栓是鲁尔圆锥接头。所述的螺母与针芯和针芯座是一体结构。
本方案的有益效果可根据对上述方案的叙述得知，由于该方案中，在所述的针芯座上固定有一与空心螺栓配合的螺母，该螺母的轴线与所述针芯的轴线同轴。这一结构，在针芯座上的螺母可由针芯座的旋转将螺母旋入空心螺栓，使针芯座与针管座固定，当插入骨质时，由于螺母与空心螺栓的连接，使针芯座与针管座不能分离，有利于穿刺针的插入操作；而当需要退出针芯时，只要旋转针芯座使螺母与空心螺栓通过螺纹就很容易将针芯退出，操作极为方便，保证了手术的顺利进行。由此可见，本实用新型与现有技术相比，具有实质性特点和进步，其实施的有益效果也是显而易见的。
附图说明：
图1为本实用新型具体实施方式的结构示意图。
图2为图1的左视结构示意图。
图中，1为针管，2为针管座，3为螺母，4为针芯，5为空心螺栓，6为针芯座，7为刃口。
具体实施方式：
为能清楚说明本方案的技术特点，下面通过一个具体实施方式，并结合其附图，对本方案进行阐述。
通过附图可以看出，本方案的骨科手术用穿刺针，有针管1和固定针管1的针管座2，以及插入针管1带有刃口7的针芯4和固定针芯4的针芯座6，在针管座2上还有穿过针芯4的空心螺栓5，该空心螺栓5就是鲁尔圆锥接头。本方案是在所述的针芯座6上固定有一与空心螺栓5配合的螺母3，该螺母3与针芯4和针芯座6是一体结构，可以通过注塑、粘合或组装等方法成为一体结构。另外，所述螺母3的轴线与所述针芯4的轴线同轴。

Claims (3)

1.一种骨科手术用穿刺针，包括有针管和固定针管的针管座，以及插入针管带有刃口的针芯和固定针芯的针芯座，在针管座上还有穿过针芯的空心螺栓，其特征是：在所述的针芯座上固定有一与空心螺栓配合的螺母，该螺母的轴线与所述针芯的轴线同轴。
2.根据权利要求1所述的穿刺针，其特征是：所述的空心螺栓是鲁尔圆锥接头。
3.根据权利要求1或2所述的穿刺针，其特征是：所述的螺母与针芯和针芯座是一体结构。
CN200920020328U 2009-04-03 2009-04-03 一种骨科手术用穿刺针 Expired - Lifetime CN201384543Y (zh)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN200920020328U CN201384543Y (zh) 2009-04-03 2009-04-03 一种骨科手术用穿刺针
KR1020117015418A KR20110091807A (ko) 2009-04-03 2009-06-29 일종의 정형과 수술용 천자침
BRPI0924497A BRPI0924497A2 (pt) 2009-04-03 2009-06-29 agulha de punção para cirurgia óssea
US13/257,600 US20120010643A1 (en) 2009-04-03 2009-06-29 Puncture needle for orthopedic operation
JP2012502415A JP2012522539A (ja) 2009-04-03 2009-06-29 整骨科手術用穿刺針
PCT/CN2009/000723 WO2010111811A1 (zh) 2009-04-03 2009-06-29 一种骨科手术用穿刺针
EP09842468.2A EP2415410A4 (en) 2009-04-03 2009-06-29 PUNCHING NEEDLE FOR ORTHOPEDIC OPERATION

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Application Number Priority Date Filing Date Title
CN200920020328U CN201384543Y (zh) 2009-04-03 2009-04-03 一种骨科手术用穿刺针

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US (1) US20120010643A1 (zh)
EP (1) EP2415410A4 (zh)
JP (1) JP2012522539A (zh)
KR (1) KR20110091807A (zh)
CN (1) CN201384543Y (zh)
BR (1) BRPI0924497A2 (zh)
WO (1) WO2010111811A1 (zh)

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WO2020186419A1 (zh) * 2019-03-18 2020-09-24 王沁 具有手位的穿刺针

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WO2020186419A1 (zh) * 2019-03-18 2020-09-24 王沁 具有手位的穿刺针

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Publication number Publication date
EP2415410A4 (en) 2015-05-06
EP2415410A1 (en) 2012-02-08
US20120010643A1 (en) 2012-01-12
KR20110091807A (ko) 2011-08-12
WO2010111811A1 (zh) 2010-10-07
JP2012522539A (ja) 2012-09-27
BRPI0924497A2 (pt) 2016-02-16

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Effective date of registration: 20160627

Address after: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 109

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