WO2022104537A1 - 一种穿刺针座 - Google Patents

一种穿刺针座 Download PDF

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Publication number
WO2022104537A1
WO2022104537A1 PCT/CN2020/129425 CN2020129425W WO2022104537A1 WO 2022104537 A1 WO2022104537 A1 WO 2022104537A1 CN 2020129425 W CN2020129425 W CN 2020129425W WO 2022104537 A1 WO2022104537 A1 WO 2022104537A1
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WIPO (PCT)
Prior art keywords
puncture needle
hand
needle holder
holder according
hole
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Ceased
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PCT/CN2020/129425
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English (en)
French (fr)
Inventor
苏州市立普医疗科技有限公司
王沁
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Suzhou Leapmed Healthcare Corp
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Suzhou Leapmed Healthcare Corp
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Priority to PCT/CN2020/129425 priority Critical patent/WO2022104537A1/zh
Publication of WO2022104537A1 publication Critical patent/WO2022104537A1/zh
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles

Definitions

  • the invention relates to the technical field of medical instruments, in particular to a puncture needle holder.
  • the puncture needle seat is a structure located on the puncture needle, thyroid needle, injection needle and drainage and extraction needle, and is mainly used to connect the needle tube, the protective sleeve and the inner needle seat.
  • the medical staff holds the hand position of the puncture needle holder to perform the puncture treatment of the relevant cause of the patient.
  • the inventor of the present application found that the above-mentioned technology has at least the following technical problems: because the hand-held part of the existing puncture needle holder is in a flat shape, it is inconvenient for medical staff to grasp multiple directions when grasping Holding the puncture needle holder, it is also impossible to quickly distinguish the types of puncture needles, which is easy to cause operation errors and delay the treatment time.
  • the present invention proposes a puncture needle holder, which is suitable for technical fields such as thyroid puncture, drug injection, and body fluid drainage and suction guided by ultrasonic imaging equipment.
  • the hand-held part of the puncture needle holder is set as a three-dimensional structure, and grooves and concave surfaces are arranged on the three-dimensional structure that are easy to hold by hand, which is beneficial for medical staff to hold the puncture needle holder in any direction, and at the same time, the hand-held part is There is an identification block that can quickly distinguish the type of puncture needle.
  • a puncture needle holder comprising: a first connection part for fixing a puncture needle protective sleeve; a handle part and a second connection part; two ends of the handle part are respectively connected with the first connection part and the second connection part The parts are connected together, and the handle part is cylindrical as a whole.
  • the first connecting portion is provided with an outer needle fixing hole and a glue dispensing hole into which the puncture needle is inserted.
  • the first connecting portion is cylindrical, and the glue dispensing hole and the outer needle fixing hole are coaxial with the first connecting portion.
  • the cross-section of the hand-held portion is polygonal, and the connection between two adjacent side surfaces of the hand-held portion is recessed toward the center of the hand-held portion to form a groove for easy hand-holding.
  • a first mark for identifying the type of puncture needle is provided on the hand-held portion.
  • the first identification is an identification block fixed on the side surface of the hand-held portion, and the projected shape of the identification block on the side surface corresponds to the type of puncture needle.
  • a second mark for identifying the model of the puncture needle is provided on the hand-held portion.
  • the second mark is a groove formed on the first mark.
  • the handle portion and the second connecting portion are provided with an inner needle through hole and a luer taper hole that communicate with each other and that the inner needle of the puncture needle passes through, and the inner needle through hole and the outer needle are fixed.
  • the holes are connected.
  • the outer end of the second connecting part is provided with an external thread strip for fixing the inner needle seat of the puncture needle, the external thread strip protrudes from the outer surface of the second connecting part, and the outer thread strip is Several notches are arranged on the threaded strip at intervals, and the notches are provided with positioning bosses.
  • the shape of the hand-held part is set to be cylindrical as a whole, which is convenient for medical staff to grasp and operate; the hand-held part has an identification block for quickly distinguishing the types of puncture needles, so as to obtain effective operation time; the outer needle fixing hole in the first connecting part can be used for Adapt to different sizes of puncture needle outer needle models.
  • FIG. 1 is a schematic diagram of the overall structure of a puncture needle holder in an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of a hand-held portion of a puncture needle holder in an embodiment of the present application
  • Fig. 3 is the shape schematic diagram of the identification block of the puncture needle seat in the embodiment of the present application.
  • Fig. 4a is the A-A cross-sectional schematic diagram of the puncture needle holder in the embodiment of the present application.
  • 4b is a cross-sectional view of the puncture needle holder in the embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of the second connection portion of the puncture needle holder in the embodiment of the present application.
  • FIG. 6 is a schematic cross-sectional view of the second connection portion of the puncture needle holder in the embodiment of the present application.
  • Fig. 7a is a schematic diagram showing that the projection shape of the identification block of the puncture needle holder on the hand-held part in the embodiment of the present application is a circle;
  • Fig. 7b is a schematic diagram showing that the projection shape of the identification block of the puncture needle holder on the hand-held part in the embodiment of the present application is a triangle;
  • Fig. 7c is a schematic diagram showing that the projection shape of the identification block of the puncture needle holder on the hand-held part in the embodiment of the present application is a quadrilateral;
  • the puncture needle holder includes a first connecting portion 2 for fixing the puncture needle protective sleeve, a hand-held portion 1 and a second connecting portion 3; the two ends of the hand-held portion 1 are respectively connected to The first connecting part 2 and the second connecting part 3 are connected together, and the whole hand-held part 1 is cylindrical.
  • the flat-shaped hand-held part on the market is set to have a cylindrical structure as a whole, which solves the problem that the common puncture needle seat is usually flat in shape and has a large volume, which is not conducive to medical staff to hold the puncture needle seat in multiple directions. It is difficult to distinguish the types of puncture needles, and it is easy to cause operational errors and problems affecting the treatment time when treating patients. Such a structure is convenient for medical staff to grasp in any direction; at the same time, the types of puncture needles can be quickly distinguished, and operation errors are not easily caused.
  • the first connecting portion 2 in the embodiment of the present application is provided with an outer needle fixing hole 22 and a glue dispensing hole 21 into which the puncture needle is inserted.
  • the second connecting portion 3 is provided with an inner needle through hole 34 and a Luer taper hole 33 that communicate with each other and allow the inner needle of the puncture needle to pass through.
  • the inner needle through hole 34 communicates with the outer needle fixing hole 22 .
  • the first connecting part 2 is cylindrical, and the glue dispensing hole 21 and the outer needle fixing hole 22 are coaxial with the first connecting part 2 .
  • the second connecting part 3 is cylindrical, and the inner needle through hole 34 and the luer taper hole 33 are coaxial with the second connecting part 3 .
  • the outer needle can be inserted into the outer fixing hole through the dispensing hole in turn, and then the glue is injected into the dispensing hole to complete the fixing of the outer needle.
  • Outer needle holder In the stage of using the puncture needle, the inner needle can be inserted into the outer needle through the luer taper hole 33 and the inner needle through hole 34 in sequence.
  • the inner needle through hole 34 can be provided in various types, so as to adapt to the inner needle models of puncture needles of different specifications and sizes.
  • the cross-sectional shape of the hand-held part 1 is a polygon, and a groove 11 is formed in the center of the hand-held part 1 at the connection of two adjacent side surfaces of the hand-held part 1 .
  • the groove 11 is a C-shaped groove, and the shape of the groove 11 is adapted to the fingers, so that it is easy to hold.
  • the side surface of the hand-held part 1 is concave toward the center of the hand-held part 1 to form a concave surface, which is convenient for fingers to hold.
  • the hand-held part 1 is provided with a first mark 12 for identifying the type of puncture needle.
  • the first identification 12 is an identification block fixed on the side surface of the hand-held part, and the projected shape of the identification block on the hand-held part 1 is a triangle, a quadrangle or a circle.
  • the shape of the identification block is used to correspond to different types of puncture needles, such as: triangles represent A-type needles, circles represent C-type needles, quadrilaterals represent D-type needles, etc. effective operative time.
  • the hand-held part 1 is provided with a second mark 121 for identifying the model of the puncture needle.
  • the second identification 121 can be set in different colors, and the different specifications of the puncture needle can be distinguished by color, and the type of the puncture needle can be quickly distinguished by the different colors of the second identification, so as to obtain an effective operation time.
  • the second mark 121 is a groove formed on the first mark 12 .
  • the outer end of the second connecting part 3 is provided with an external thread 31 for fixing the inner needle seat of the puncture needle.
  • the external thread 31 protrudes from the outer surface of the second connecting part 3 , and the external thread 31 is provided with several There is a gap, and the gap is provided with a positioning boss 32, and the positioning boss can be arranged to more accurately and quickly install the inner needle seat of the puncture needle.
  • the external thread strip 31 may take the form of a double helix thread.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

一种穿刺针座，包括：用于固定穿刺针保护套的第一连接部(2)，手持部(1)和第二连接部(3)；手持部(1)的两端分别与第一连接部(2)和第二连接部(3)相连，且手持部(1)整体呈柱形；手持部(1)的横截面是多边形，手持部(1)相邻两个侧面的连接处向手持部(1)的中心方向凹陷形成凹槽(11)，以便于手握。通过将手持部(1)的形状设置为柱形结构，方便医护人员抓握，便于操作；手持部(1)具有快速区分穿刺针类型的识别块，争取了有效的手术时间。

Description

一种穿刺针座 技术领域
本发明涉及医疗器械技术领域，尤其涉及一种穿刺针座。
背景技术
近年来的穿刺针座是位于穿刺针、甲状腺针、注射针以及引流抽取针上的结构，主要是用于连接针管，保护套和内针座的。医护人员对病人治疗时手握穿刺针座的手持位对病人进行相关病因的穿刺治疗。
本申请发明人在实现本申请实施例中技术方案的过程中，发现上述技术至少存在如下技术问题：由于现有的穿刺针座的手持部为扁状形，医护人员在抓握时不便多方向握住穿刺针座，也不能快速区分穿刺针种类，易造成操作失误以及耽误治疗时间。
发明内容
有鉴于此，本发明提出了一种穿刺针座，适用于超声显影设备引导下的甲状腺穿刺、药物注射、体液的引流抽吸等技术领域。本申请实施例通过将穿刺针座的手持部设置为立体结构，并在立体结构上设置便于手握的凹槽和凹面，有利于医护人员可以随意一个方向握住穿刺针座，同时在手持部上设置了可以快速区分穿刺针类型的识别块。
本发明的技术方案是这样实现的：
一种穿刺针座，包括：用于固定穿刺针保护套的第一连接部；手持部和第二连接部；所述手持部的两端分别与所述第一连接部和所述第二连接部相连，且所述手持部整体呈柱形。
可选地，所述第一连接部内设有外针固定孔和供穿刺针插入的点胶孔。
可选地，所述第一连接部是圆柱形，所述点胶孔和所述外针固定孔与所述第一连接部同轴。
可选地，所述手持部的横截面是多边形，所述手持部相邻两个侧面的连接处向所述手持部的中心方向凹陷从而形成用于便于手握的凹槽。
可选地，所述手持部上设有用于标识穿刺针类型的第一标识。
可选地，所述第一标识是固定在所述手持部侧面上的识别块，且所述识别块在该侧面上的投影形状与穿刺针类型相对应。
可选地，所述手持部上设有用于标识穿刺针型号的第二标识。
可选地，所述第二标识是开设在所述第一标识上的槽体。
可选地，所述手持部和所述第二连接部内设有相互连通且供穿刺针内针穿过的内针通孔和鲁尔锥度孔，所述的内针通孔与外针固定孔相通。
可选地，所述第二连接部的外端上设有用于固定穿刺针内针座的外螺纹条，所述外螺纹条凸出于所述第二连接部的外表面，且所述外螺纹条上间隔设有若干个缺口，所述缺口上设有定位凸台。
实施本发明的这种穿刺针座，具有以下有益效果：
将手持部的形状设置为整体呈柱形，方便医护人员抓握，便于操作；手持部具有快速区分穿刺针类型的识别块，争取了有效的手术时间；第一连接部内的外针固定孔可适配不同规格尺寸的穿刺针外针型号。
附图说明
为了说明而非限制的目的，现在将根据本发明的优选实施例、特别是参考附图来描述本发明，其中：
图1是本申请实施方式中的穿刺针座的整体结构示意图；
图2是本申请实施方式中的穿刺针座的手持部的结构示意图；
图3是本申请实施方式中的穿刺针座的识别块的形状示意图；
图4a是本申请实施方式中的穿刺针座的A-A截面示意图；
图4b是本申请实施方式中的穿刺针座的剖面图；
图5是本申请实施方式中的穿刺针座的第二连接部的结构示意图；
图6是本申请实施方式中的穿刺针座的第二连接部截面示意图；
图7a是本申请实施方式中的穿刺针座的识别块在手持部上的投影形状为圆形的示意图；
图7b是本申请实施方式中的穿刺针座的识别块在手持部上的投影形状为三角形的示意图；
图7c是本申请实施方式中的穿刺针座的识别块在手持部上的投影形状为四边形的示意图；
附图标记说明：手持部1，第一连接部2，第二连接部3，凹槽11，第一标识12，第二标识121，点胶孔21，外针固定孔22，外螺纹条31，定位凸台32，鲁尔锥度孔33，内针通孔34。
具体实施方式
本发明实施方式中，如图1至7c所示，穿刺针座包括用于固定穿刺针保护套的第一连接部2，手持部1和第二连接部3；手持部1的两端分别与第一连接部2和第二连接部3相连，且手持部1整体呈柱形。
本实施例将市面上扁形的手持部设置成了整体呈柱形结构，解决了由于普通穿刺针座形状通常为扁状形，体积较大造成的不利于医护人员多方向握住穿刺针座、不易区分穿刺针的种类、给病人治疗时容易造成操作失误以及影响治疗时间的问题。这样的结构方便医护人员可以随意一个方向进行抓握；同时能快速区分穿刺针种类，不易造成操作失误。
本申请实施例中的第一连接部2内设有外针固定孔22和供穿刺针插入的点胶孔21。第二连接部3内设有相互连通且供穿刺针内针穿过的内针通孔34和鲁尔锥度孔33，内针通孔34与外针固定孔22相通。
第一连接部2是圆柱形，点胶孔21和外针固定孔22与第一连接部2同轴。第二连接部3是圆柱形，内针通孔34和鲁尔锥度孔33与第二连接部3同轴。需要解释的是，在生产穿刺针阶段，可以将外针依次通过点胶孔插入外争固定孔，再向点胶孔中注胶，完成外针的固定，不同直径的外针可以通用一种外针座。在使用穿刺针阶段，内针可以依次从鲁尔锥度孔33、内针通孔34穿入外针。内针通孔34可以设置成各种类型，用于适配不同规格尺寸的穿刺针内针型号。
手持部1的横截面形状是多边形，手持部1相邻两个侧面的连接处向手持部1的中心方向凹陷形成凹槽11。凹槽11是C形槽，凹槽11的形状与手指相适配，以便于手握。
手持部1的侧面向手持部1的中心方向凹陷，形成凹面，以便于手指握持，这样结构有利于医护人员可以随意一个方向握住穿刺针座。手持部1上设有用于标识穿刺针类型的第一标识12。第一标识12是固定在手持部侧面上的识别块，且识别块在手持部1上的投影形状为三角形、四边形或圆形。识别块的形状用于对应不同的穿刺针的类型，如：三角形代表A型针，圆形代表C型针，四边形代表D型针等，通过识别块的不同形状可以快速区分穿刺针类型，争取了有效的手术时间。
手持部1上设有用于标识穿刺针型号的第二标识121。第二标识121可以设置成不同的颜色，以颜色来区分穿刺针的不同规格，通过第二标识的不同颜色可以快速区分穿刺针类型，争取了有效的手术时间。第二标识121是开设在第一标识12上的槽体。
第二连接部3的外端上设有用于固定穿刺针内针座的外螺纹条31，外螺纹条31凸出于第二连接部3的外表面，且外螺纹条31上间隔设有若干个缺口，缺口上设有定位凸台32，定位凸台的设置可以更加准确快速的安装穿刺针内针座。其中，外螺纹条31可以采取双螺旋螺纹形式。
上述具体实施方式，并不构成对本发明保护范围的限制。本领域技术人员应该明白的是，取决于设计要求和其他因素，可以发生各种各样的修改、组合、子组合和替代。任何在本发明的精神和原则之内所作的修改、等同替换和改进等，均应包含在本发明保护范围之内。

Claims (10)

  1. 一种穿刺针座，其特征在于，包括：
    用于固定穿刺针保护套的第一连接部；
    手持部和第二连接部；
    所述手持部的两端分别与所述第一连接部和所述第二连接部相连，且所述手持部整体呈柱形。
  2. 根据权利要求1所述的穿刺针座，其特征在于，所述第一连接部内设有外针固定孔和供穿刺针插入的点胶孔。
  3. 根据权利要求2所述的穿刺针座，其特征在于，所述第一连接部是圆柱形，所述点胶孔和所述外针固定孔与所述第一连接部同轴。
  4. 根据权利要求1所述的穿刺针座，其特征在于，所述手持部的横截面是多边形，所述手持部相邻两个侧面的连接处向所述手持部的中心方向凹陷从而形成用于便于手握的凹槽。
  5. 根据权利要求4所述的穿刺针座，其特征在于，所述手持部上设有用于标识穿刺针类型的第一标识。
  6. 根据权利要求5所述的穿刺针座，其特征在于，所述第一标识是固定在所述手持部侧面上的识别块，且所述识别块在该侧面上的投影形状与穿刺针类型相对应。
  7. 根据权利要求6所述的穿刺针座，其特征在于，所述手持部上设有用于标识穿刺针型号的第二标识。
  8. 根据权利要求7所述的穿刺针座，其特征在于，所述第二标识是开设在所述第一标识上的槽体。
  9. 根据权利要求1所述的穿刺针座，其特征在于，所述手持部和所述第二连接部内设有相互连通且供穿刺针内针穿过的内针通孔和鲁尔锥度孔，所述的内针通孔与外针固定孔相通。
  10. 根据权利要求9所述的穿刺针座，其特征在于，所述第二连接部的外端上设有用于固定穿刺针内针座的外螺纹条，所述外螺纹条凸出于所述第二连接部的外表面，且所述外螺纹条上间隔设有若干个缺口，所述缺口上设有定位凸台。
PCT/CN2020/129425 2020-11-17 2020-11-17 一种穿刺针座 Ceased WO2022104537A1 (zh)

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