WO2023103227A1 - 一种新型的一次性使用内窥镜及其制作方法 - Google Patents

一种新型的一次性使用内窥镜及其制作方法 Download PDF

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WO2023103227A1
WO2023103227A1 PCT/CN2022/082708 CN2022082708W WO2023103227A1 WO 2023103227 A1 WO2023103227 A1 WO 2023103227A1 CN 2022082708 W CN2022082708 W CN 2022082708W WO 2023103227 A1 WO2023103227 A1 WO 2023103227A1
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disposable endoscope
probe head
working channel
insertion tube
injection molding
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PCT/CN2022/082708
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English (en)
French (fr)
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白晓淞
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深圳英美达医疗技术有限公司
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Publication of WO2023103227A1 publication Critical patent/WO2023103227A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00103—Constructional details of the endoscope body designed for single use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00098—Deflecting means for inserted tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements

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  • the invention relates to the field of medical equipment, in particular to a novel disposable endoscope and a manufacturing method thereof.
  • endoscopes are mostly used for repeated use.
  • the main reason is that the cost of one-time use is too high, which is difficult for patients to accept.
  • repeated use of endoscopes is easy to cause infection problems.
  • the invention provides a novel disposable endoscope, which comprises a handle, a steering controller, a suction port, a suction controller, an insertion tube, a bending part, and the end of a probe head.
  • the steering controller, the suction port, the suction controller, one end of the insertion tube is installed in the handle, the other end of the insertion tube is connected to the bending part, and the bending part is connected to the The probe head ends are connected.
  • the disposable endoscope further includes a connection unit through which the insertion tube is mounted on the handle.
  • the disposable endoscope further includes an operation channel sealing ring and a Luer connector, and the Luer connector can be inserted on the sealing ring.
  • the disposable endoscope also includes a working channel, the working channel is an independent flexible catheter, built in the insertion tube, and the end of the working channel is connected to the end of the probe head ;
  • the insertion tube is a single lumen braided tube.
  • the disposable endoscope also includes a camera and a light source, the camera and the light source are respectively installed inside the end of the probe head, and a working A channel outlet, the end of the working channel is installed in the working channel outlet.
  • the invention discloses a method for manufacturing a probe head end of a disposable endoscope, which comprises the following steps:
  • Integral forming step connect the camera, light source and outlet of the working channel at the end of the imaging head to form the end of the integral probe head by means of continuous injection molding by a two-color injection molding machine.
  • Step 1 First use low-temperature soft transparent medical soft material to injection-coat the camera, light source and outlet of the working channel.
  • Step 2 On the basis of step 1, the outer surface of the low-temperature soft transparent medical soft material is covered with injection-molded high-transparency hard material.
  • the two-color injection molding machine is an integrated double-mold injection molding machine, and injection molding of different materials is realized on one injection molding machine through two extruding screws.
  • the low-temperature soft transparent medical soft material includes polyurethane, transparent epoxy resin, and silica gel.
  • the high permeability hard material includes MABS, PC, PSU.
  • the beneficial effects of the present invention are: 1.
  • the disposable endoscope of the present invention has low manufacturing cost, is easy for patients to accept, and solves the infection problem caused by repeated use; 2.
  • the method for making the end of the probe head of the present invention avoids The instability of the manual operation process used for glue bonding improves product safety and continuous production efficiency, and reduces the production cost of disposable endoscopes.
  • Fig. 1 is a structural diagram of a disposable endoscope of the present invention
  • Fig. 2 is a structural view of the probe head end of the present invention.
  • the present invention discloses a novel disposable endoscope, including a handle 1, a steering controller 2, a suction port 4, a suction controller 5, an insertion tube 7, and a probe head end 9 , the steering controller 2, the suction port 4, and the suction controller 5 are respectively installed on the handle 1, and one end of the insertion tube 7 is installed in the handle 1, and the insertion tube 7 The other end is connected to the bending part 8 , and the bending part 8 is connected to the end part 9 of the probe head.
  • the steering controller 2 is used to control the angle and direction of the bending portion 8 .
  • the suction port 4 is a liquid passage port.
  • the suction controller 5 is used to control the on-off state of the suction liquid.
  • There are 2 wires inside the steering controller 2 one end of the wire is connected with the steering controller 2 , and the other end of the wire is connected with the bending part 8 .
  • the disposable endoscope also includes a connection unit 6 through which the insertion tube 7 is mounted on the handle 1 .
  • the disposable endoscope also includes an operation channel sealing ring and a Luer connector, and the Luer connector can be inserted into the sealing ring to facilitate passage of biopsy forceps and the like.
  • the operating channel sealing ring is installed at the outermost position of the working channel 3 .
  • the disposable endoscope also includes a working channel 3, the working channel 3 is an independent flexible catheter, built in the insertion tube 7, and the end of the working channel 3 is connected to the end 9 of the probe head;
  • the insertion tube 7 is a single lumen braided tube.
  • the disposable endoscope also includes a camera 12 and a light source 11, the camera 12 and the light source 11 are respectively installed inside the probe head end 9, and the probe head end 9 is provided with a working channel outlet 10, and the end of the working channel 3 is installed in the working channel outlet 10.
  • a camera chip circuit board 13 is installed inside the camera 12 .
  • the present invention also discloses a method for manufacturing the probe head end 9 of a disposable endoscope, which includes the following steps:
  • Integral forming step connect the camera 12 , the light source 11 and the outlet 10 of the working channel at the end of the imaging head to form the end 9 of the integral probe head by means of continuous injection molding by a two-color injection molding machine.
  • Step 1 First use low-temperature soft transparent medical soft material to inject and coat the camera 12 , the light source 11 and the outlet 10 of the working channel.
  • Step 2 On the basis of step 1, the outer surface of the low-temperature soft transparent medical soft material is covered with injection-molded high-transparency hard material.
  • the two-color injection molding machine is an integrated double-mold injection molding machine, and the injection molding of different materials is realized on one injection molding machine through two extruding screws;
  • the low-temperature soft transparent medical soft material includes polyurethane, transparent epoxy resin, and silica gel.
  • the high permeability hard material includes MABS (methyl styrene), PC (polycarbonate), PSU (polysulfone).
  • the present invention provides a novel manufacturing method of the probe head end 9 of a disposable endoscope, in which the camera 12 at the end of the imaging head, the light source 11 and the outlet 10 of the working channel are connected as
  • the integral probe head end 9 simplifies the production and assembly process of the probe head end 9 parts.
  • the injection molding method is used to avoid the instability of the manual operation process for glue bonding and improve product safety and continuous production efficiency. , reducing the production cost of the disposable endoscope.
  • the disposable endoscope of the present invention has low manufacturing cost, is easy for patients to accept, and solves the infection problem caused by repeated use; 2.
  • the method for making the end of the probe head of the present invention avoids glue The instability of the manual operation process for bonding improves product safety and continuous production efficiency, and reduces the production cost of disposable endoscopes.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)

Abstract

本发明提供了一种新型的一次性使用内窥镜及其制作方法，该一次性使用内窥镜包括手柄、转向控制器、抽吸口、抽吸控制器、***管、弯曲部、探头头端部，所述手柄上分别安装有所述转向控制器、所述抽吸口、所述抽吸控制器，所述***管一端安装在所述手柄内，所述***管另一端与所述弯曲部相连，所述弯曲部与所述探头头端部相连。本发明的有益效果是：1.本发明的一次性使用内窥镜制造成本低，易于患者接收，且解决了反复使用导致的感染问题；2.本发明的探头头端部的制作方法避免了胶水胶接用人工操作工艺的不稳定性，提高了产品的安全性和连续生产效率，降低了一次性内窥镜的制作成本。

Description

一种新型的一次性使用内窥镜及其制作方法 技术领域
本发明涉及医疗设备领域，尤其涉及一种新型的一次性使用内窥镜及其制作方法。
背景技术
传统而言，内窥镜多采用反复使用产品，主要是一次使用成本过高，患者难以接受，同时内窥镜反复使用容易导致感染问题。
发明内容
本发明提供了一种新型的一次性使用内窥镜，包括手柄、转向控制器、抽吸口、抽吸控制器、***管、弯曲部、探头头端部，所述手柄上分别安装有所述转向控制器、所述抽吸口、所述抽吸控制器，所述***管一端安装在所述手柄内，所述***管另一端与所述弯曲部相连，所述弯曲部与所述探头头端部相连。
作为本发明的进一步改进，该一次性使用内窥镜还包括连接单元，所述***管通过所述连接单元安装在所述手柄上。
作为本发明的进一步改进，该一次性使用内窥镜还包括操作通道密封圈、鲁尔接头，所述鲁尔接头能插在所述密封圈上。
作为本发明的进一步改进，该一次性使用内窥镜还包括工作通道,所述工作通道为一根独立柔性导管，内置于所述***管内，所述工作通道末端与所述探头头端部相连；所述***管为单腔编织管。
作为本发明的进一步改进，该一次性使用内窥镜还包括摄像头、灯源，所述探头头端部内部分别安装有所述摄像头、所述灯源，所述探头头端部内部设置有工作通道出口，所述工作通道末端安装在所述工作通道出口内。
本发明公开了一种一次性使用内窥镜的探头头端部的制作方法，包括执行以下步骤：
整体成形步骤：通过双色注塑机连续注塑的方式把成像头端部的摄像头、灯源和工作通道出口连接为整体探头头端部。
作为本发明的进一步改进，在所述整体成形步骤中，具体还包括执行以下步骤：
步骤1：先采用低温软质透明医疗软质材料注塑包覆摄像头、灯源和工作通道出口。
步骤2：在步骤1的基础上再在低温软质透明医疗软质材料外表面包覆注塑高透硬质材料。
作为本发明的进一步改进，在所述整体成形步骤中，所述双色注塑机为一体双模具注塑机，通过两个挤出螺杆在一台注塑机上实现不同材料的注塑。
所述低温软质透明医疗软质材料包括聚氨酯、透明环氧树脂、硅胶。
所述高透硬质材料包括MABS、PC、PSU。
本发明的有益效果是：1.本发明的一次性使用内窥镜制造成本低，易于患者接收，且解决了反复使用导致的感染问题；2.本发明的探头头端部的制作方法避免了胶水胶接用人工操作工艺的不稳定性，提高了产品的安全性和连续生产效率，降低了一次性内窥镜的制作成本。
附图说明
图1是本发明一次性使用内窥镜结构图；
图2是本发明探头头端部结构图。
具体实施方式
如图1所示，本发明公开了一种新型的一次性使用内窥镜，包括手柄1、转向控制器2、抽吸口4、抽吸控制器5、***管7、探头头端部9，所述手柄1上分别安装有所述转向控制器2、所述抽吸口4、所述抽吸控制器5，所述***管7一端安装在所述手柄1内，所述***管7另一端与所述弯曲部8相连，所述弯曲部8与所述探头头端部9相连。转向控制器2用于控制弯曲部8的调弯角度和方向。抽吸口4为液体通道口。抽吸控制器5用于控制抽吸液体开关状态。转向控制器2里面有2根线，线的一端与转向控制器2相连，线的另一端与弯曲部8相连。
该一次性使用内窥镜还包括连接单元6，所述***管7通过所述连接单元6安装在所述手柄1上。
该一次性使用内窥镜还包括操作通道密封圈、鲁尔接头，所述鲁尔接头可以插在所述密封圈上，方便活检钳等的通过。操作通道密封圈安装在工作通道3的最外部位置。
该一次性使用内窥镜还包括工作通道3,所述工作通道3为一根独立柔性导管，内置于所述***管7内，所述工作通道3末端与所述探头头端部9相连；所述***管7为单腔编织管。
如图2所示，该一次性使用内窥镜还包括摄像头12、灯源11，所述探 头头端部9内部分别安装有所述摄像头12、所述灯源11，所述探头头端部9内部设置有工作通道出口10，所述工作通道3末端安装在所述工作通道出口10内。摄像头12内部安装有摄像头芯片线路板13。
本发明还公开了一种一次性使用内窥镜的探头头端部9的制作方法，包括执行以下步骤：
整体成形步骤：通过双色注塑机连续注塑的方式把成像头端部的摄像头12、灯源11和工作通道出口10连接为整体探头头端部9。
在所述整体成形步骤中，具体还包括执行以下步骤：
步骤1：先采用低温软质透明医疗软质材料注塑包覆摄像头12、灯源11和工作通道出口10。
步骤2：在步骤1的基础上再在低温软质透明医疗软质材料外表面包覆注塑高透硬质材料。
在所述整体成形步骤中，所述双色注塑机为一体双模具注塑机，通过两个挤出螺杆在一台注塑机上实现不同材料的注塑；
所述低温软质透明医疗软质材料包括聚氨酯、透明环氧树脂、硅胶。
所述高透硬质材料包括MABS(甲基苯乙烯)、PC(聚碳酸酯)、PSU(聚砜)。
本发明提供了一种新型的一次性内窥镜的探头头端部9的制作方法，通过双色注塑机连续注塑的方式把成像头端部的摄像头12，灯源11和工作通道出口10连接为整体探头头端部9，简化了探头头端部9部位的制作装配工艺，同时采用注塑的方法，避免了胶水胶接用人工操作工艺的不稳定性，提高了产品的安全性和连续生产效率，降低了一次性内窥镜的制作成本。
本发明的有益效果：1.本发明的一次性使用内窥镜制造成本低，易于患者接收，且解决了反复使用导致的感染问题；2.本发明的探头头端部的制作方法避免了胶水胶接用人工操作工艺的不稳定性，提高了产品的安全性和连续生产效率，降低了一次性内窥镜的制作成本。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (10)

  1. 一种新型的一次性使用内窥镜，其特征在于：包括手柄(1)、转向控制器(2)、抽吸口(4)、抽吸控制器(5)、***管(7)、弯曲部(8)、探头头端部(9)，所述手柄(1)上分别安装有所述转向控制器(2)、所述抽吸口(4)、所述抽吸控制器(5)，所述***管(7)一端安装在所述手柄(1)内，所述***管(7)另一端与所述弯曲部(8)相连，所述弯曲部(8)与所述探头头端部(9)相连。
  2. 根据权利要求1所述的一次性使用内窥镜，其特征在于：该一次性使用内窥镜还包括连接单元(6)，所述***管(7)通过所述连接单元(6)安装在所述手柄(1)上。
  3. 根据权利要求1所述的一次性使用内窥镜，其特征在于：该一次性使用内窥镜还包括操作通道密封圈、鲁尔接头，所述鲁尔接头能插在所述密封圈上。
  4. 根据权利要求1所述的一次性使用内窥镜，其特征在于：该一次性使用内窥镜还包括工作通道(3),所述工作通道(3)为一根独立柔性导管，内置于所述***管(7)内，所述工作通道(3)末端与所述探头头端部(9)相连；所述***管(7)为单腔编织管。
  5. 根据权利要求4所述的一次性使用内窥镜，其特征在于：该一次性使用内窥镜还包括摄像头(12)、灯源(11)，所述探头头端部(9)内部分别安装有所述摄像头(12)、所述灯源(11)，所述探头头端部(9)内部设置有工作通道出口(10)，所述工作通道(3)末端安装在所述工作通道出口(10)内。
  6. 一种一次性使用内窥镜的探头头端部(9)的制作方法，其特征在于，包括执行以下步骤：
    整体成形步骤：通过双色注塑机连续注塑的方式把成像头端部的摄像头(12)、灯源(11)和工作通道出口(10)连接为整体探头头端部(9)。
  7. 根据权利要求6所述的制作方法，其特征在于，在所述整体成形步骤中，具体还包括执行以下步骤：
    步骤1：先采用低温软质透明医疗软质材料注塑包覆摄像头(12)、灯源(11)和工作通道出口(10)；
    步骤2：在步骤1的基础上再在低温软质透明医疗软质材料外表面包覆注塑高透硬质材料。
  8. 根据权利要求6所述的制作方法，其特征在于，在所述整体成形步骤中，所述双色注塑机为一体双模具注塑机，通过两个挤出螺杆在一台注塑机上实现不同材料的注塑。
  9. 根据权利要求6所述的制作方法，其特征在于，所述低温软质透明医疗软质材料包括聚氨酯、透明环氧树脂、硅胶。
  10. 根据权利要求6所述的制作方法，其特征在于，所述高透硬质材料包括MABS、PC、PSU。
PCT/CN2022/082708 2021-12-08 2022-03-24 一种新型的一次性使用内窥镜及其制作方法 WO2023103227A1 (zh)

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CN202111493212.4 2021-12-08
CN202111493212.4A CN114224264A (zh) 2021-12-08 2021-12-08 一种新型的一次性使用内窥镜及其制作方法

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