WO2010083717A1 - 用于困难插管的带气管插管引导槽的视频喉镜及插管方法 - Google Patents

用于困难插管的带气管插管引导槽的视频喉镜及插管方法 Download PDF

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Publication number
WO2010083717A1
WO2010083717A1 PCT/CN2009/076326 CN2009076326W WO2010083717A1 WO 2010083717 A1 WO2010083717 A1 WO 2010083717A1 CN 2009076326 W CN2009076326 W CN 2009076326W WO 2010083717 A1 WO2010083717 A1 WO 2010083717A1
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WO
WIPO (PCT)
Prior art keywords
tracheal
guiding
laryngoscope
guiding groove
intubation
Prior art date
Application number
PCT/CN2009/076326
Other languages
English (en)
French (fr)
Inventor
姜文强
丁理
Original Assignee
Jiang Wenqiang
Ding Li
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
Priority claimed from CNU2009200673275U external-priority patent/CN201337437Y/zh
Priority claimed from CN200910194495A external-priority patent/CN101642365A/zh
Application filed by Jiang Wenqiang, Ding Li filed Critical Jiang Wenqiang
Priority to US13/138,112 priority Critical patent/US8894570B2/en
Priority to EP09838684.0A priority patent/EP2380486B1/en
Publication of WO2010083717A1 publication Critical patent/WO2010083717A1/zh

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Classifications

    • 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
    • A61B1/267—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 for the respiratory tract, e.g. laryngoscopes, bronchoscopes
    • 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
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00043—Operational features of endoscopes provided with output arrangements
    • A61B1/00045—Display arrangement
    • A61B1/00052—Display arrangement positioned at proximal end of the endoscope body
    • 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
    • A61B1/00073—Insertion part of the endoscope body with externally grooved shaft
    • 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

Definitions

  • the invention relates to a laryngoscope for endotracheal intubation in clinical anesthesia and rescue, in particular to an electronic video laryngoscope with a tracheal intubation guiding groove for difficult intubation, specially designed tracheal guiding die guiding
  • the trough structure is suitable for difficult intubation situations where all tracheal intubation is intubated.
  • the thinner tracheal guide die is guided through the tracheal intubation guide groove, the glottis can be easily inserted, and then the trachea is introduced through the trachea to introduce the trachea.
  • the catheter completes the endotracheal intubation process.
  • a video laryngoscope with a tracheal intubation guide slot capable of guiding the trachea guiding die must be specifically designed. Also, the structural dimensions of the tracheal intubation guide slots used to guide the tracheal guide dies must be specifically designed. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a video laryngoscope with a tracheal intubation guide slot that can be used in all difficult intubation situations suitable for tracheal laryngoscope cannulas.
  • the technical problem to be solved by the present invention is to provide a trachea guiding in any difficult situation.
  • the die is introduced into any glottal position that can be exposed by an electronic video laryngoscope, and the tracheal catheter is then guided to complete the tracheal intubation in difficult situations.
  • the present invention provides a video laryngoscope with a tracheal intubation guiding groove for a difficult cannula, comprising a laryngoscope with a handle, a video camera and a tracheal intubation guiding groove, a handle ferrule and a liquid crystal display, wherein the tracheal guiding groove is provided with a curved tracheal intubation guiding groove on the laryngoscope lens with a handle, and a trachea guiding ferrule can be inserted in the tracheal intubating guiding groove to guide the tracheal tube After inserting the trachea to guide the die, the guiding tracheal tube is inserted into the human glottis, and the tracheal guiding die can be separated by the notch on the side of the guiding groove and the guiding groove.
  • the tracheal intubation guiding groove on the laryngoscope lens is integrally formed with the laryngoscope lens or can be separated.
  • the separated tracheal cannula guides the slotted body and the laryngoscope lens to be ultrasonically welded or adhered with an adhesive.
  • the tracheal cannula guide slot on the laryngoscope is on the side or below the video camera.
  • the tracheal cannula guiding groove body has a waist-shaped cross section, and the radius R of the two semicircles is larger than the radius of the tracheal guiding die.
  • the tracheal intubation guiding groove is a pipe with a notch, or a clip with a bayonet, a hook, a tube with a notch can accommodate a trachea guiding die, a clip with a bayonet, a hook can catch the trachea Guide the die into the human trachea and separate it from it.
  • the handle ferrule and the liquid crystal display are movably connected by a damping rotary joint.
  • the laryngoscope lens and the liquid crystal display with the handle, the video camera and the tracheal intubation guiding groove are connected with the handle ferrule through the socket type buckle, and can be disassembled, and the electrical connection between the two is connected through the conductive contact after the clamping .
  • the front end of the laryngoscope lens with the handle, the video camera and the tracheal intubation guiding groove has an illumination lamp, a video camera and a heating defogging circuit.
  • the laryngoscope lens with the handle and the tracheal cannula guiding groove is formed by sealing the laryngoscope housing and the housing cover, and the front end of the illumination lamp is sealed with the housing, and the camera is equipped with a camera, image signal processing circuit and heating.
  • a temperature sensor and a heating element are installed at the front end of the throat lens, and the image signal processing circuit processes the camera input signal, and is connected to the liquid crystal display through the conductive contact and the handle ferrule on the throat lens.
  • Step 1 Insert the video laryngoscope lens with the tracheal intubation guide slot into the oral cavity and expose the glottis;
  • Step 2 Under the video laryngoscope monitoring, a tracheal guiding die is introduced into the glottis through the tracheal intubation guiding groove;
  • Step 3 detach the tracheal guiding die from the guiding slot through the tracheal intubation guiding groove slot;
  • Step 4 Insert the endotracheal tube into the trachea guiding die, and insert the tracheal tube through the glottis into the human trachea through the trachea guiding die under video laryngoscope monitoring;
  • Step 5 Guide the tracheal guiding die from the video laryngoscope Extraction in the tracheal tube;
  • Step 6 The video laryngoscope with the tracheal intubation guide slot is withdrawn from the throat to complete the entire tracheal intubation procedure.
  • the electronic video laryngoscope with the tracheal intubation guiding slot is first introduced into the trachea guiding die, and then the trachea guiding the trachea into the tracheal intubation method, which solves the general video laryngoscope in some difficult intubation occasions only Can expose the glottis, and the tracheal tube is difficult to insert, so as to avoid or reduce damage to the throat and trachea during intubation;
  • the tracheal intubation guiding groove is an approximate arc-shaped curve, and the tracheal intubation guiding groove can conveniently introduce the tracheal guiding tube into the exposed glottis;
  • the cross-section of the tracheal intubation guiding groove is waist-shaped, the two ends are semi-circular, and the radius R of the semi-circle is larger than the radius of the tracheal guiding die, which can make the tracheal guiding die travel conveniently and reliably in the tracheal intubation guiding groove, and is not easy Sliding from the guide slot;
  • the open groove on the outer side of the waist can facilitate the removal of the tracheal guide tube from the tracheal intubation guide slot after being inserted into the human glottis;
  • the throat lens handle and the display can be easily disassembled, so that the laryngoscope lens can be clinically immersed and disinfected and used repeatedly;
  • Figure 1 is a schematic structural view of the integrated type of the utility model
  • Figure 2 is an exploded view of Figure 1;
  • Figure 3 is a schematic view showing the structural position of the tracheal intubation guiding groove on the laryngoscope lens of Figure 1;
  • Figure 4 is a schematic view showing the relative position of the tracheal intubation guiding groove and the camera and the guiding groove in Figure 1;
  • Figure 5 is a trachea during operation A schematic view of the guiding die inserted into the glottis through the tracheal intubation guiding groove;
  • FIG. 6 is a schematic view of the tracheal catheter being inserted into the trachea guiding die during operation and separated from the tracheal intubation guiding trough;
  • Figure 7 is a schematic view of the tracheal tube guiding the insertion into the human glottis through the trachea guiding die during operation;
  • 105 LED lamp
  • 106 temperature sensor
  • the present invention provides a video laryngoscope with a tracheal intubation guide slot for a difficult cannula, including a throat with a handle, a video camera, and a tracheal intubation guide slot a lens 1, a handle ferrule 2 and a liquid crystal display 4, wherein the tracheal guiding groove is provided with a curved tracheal cannula guiding groove 109 on the laryngoscope lens 1 with a handle, and a tracheal cannula guiding groove 109 can be inserted into the tracheal cannula guiding groove 109
  • the trachea guides the die 9, and after the endotracheal tube 10 is inserted into the tracheal guide die 9, the guide tracheal tube 10 is inserted into the human glottis 11, and the tracheal guide die 9 can be separated by the notch on the side of the guide groove 109 and the guide groove.
  • the tracheal intubation guiding groove 109 on the laryngoscope lens is integrally formed with the laryngoscope lens 1, or can be separated.
  • the groove of the separated tracheal intubation guide groove 109 and the laryngoscope 1 are ultrasonically welded or adhered with an adhesive.
  • the endotracheal tube guide slot 109 on the laryngoscope 1 is on the side or underside of the video camera 104.
  • the tracheal cannula guiding groove 109 has a trough shape in a cross section, and the radius R of the two semicircles is larger than the radius of the tracheal guiding die 9, and the tracheal intubation guiding groove at the front end 108 of the laryngoscope lens 1
  • the end face of 109 is provided with an open slot having an opening width greater than or equal to the diameter of the air tube guiding die 401.
  • the tracheal intubation guiding groove 109 is a pipe with a notch, or a clip with a bayonet, a hook, and a belt
  • the notched tube can accommodate the trachea guiding die 9, the clip with the bayonet, the hook can catch the trachea guiding die 9 into the human trachea, and can be separated therefrom.
  • the handle ferrule 2 and the liquid crystal display 4 are movably connected by the damper rotary joint 3.
  • the laryngoscope lens 1 and the liquid crystal display 4 with the handle, the video camera and the tracheal intubation guiding groove are connected with the handle ferrule 2 through the socket type buckle, and can be disassembled, with a handle, a video camera and a tracheal intubation guide.
  • the slotted laryngoscope lens 1 can be separately immersed and sterilized after being disassembled; after the handle ferrule 2 is inserted into the laryngoscope lens 1 with the handle, the ball circlip 103 on the laryngoscope lens 1 and the metal circlip sleeve 202 in the handle ferrule 2 are stuck.
  • the laryngoscope lens 1 with the handle, the video camera and the tracheal intubation guiding groove and the liquid crystal display 4 on the handle ferrule 2 are fixed, and the six conductive contacts 102 and the handle ferrule 2 on the laryngoscope lens 1 are fixed.
  • the six corresponding contact spring pins 201 are turned on.
  • the front end 108 of the laryngoscope lens 1 with the handle, the video camera and the tracheal intubation guiding groove has an illumination lamp 105, a video camera 104 and a heating defogging circuit, and a tracheal cannula guiding groove 109 on the side, and the handle ferrule 2 is damped
  • the rotary joint 3 is connected to the liquid crystal display 4. After the installation is completed, the liquid crystal display 4 can be rotated by the damping rotary joint 3 to suit the clinical operation of various human states; the display 4 and the throat lens handle can be fixed between the rotation ranges. Any angle, easy to observe when operating.
  • the laryngoscope lens 1 with a handle, a video camera and a tracheal cannula guiding groove is formed by a laryngoscope housing and a housing cover.
  • the outer side of the housing cover has a tracheal cannula guiding groove 109, and the front end 108 of the LED lamp 105 and the housing 101 is sealed, a video camera 104, an image signal processing circuit and a heating defogging circuit are mounted in the housing 101.
  • the front end 108 of the throat lens is mounted with a temperature sensor 106 and a heating element 107, and the image signal processing circuit inputs the video camera 104. After signal processing, it is connected to the liquid crystal display 4 through the conductive contacts 102 and the handle ferrule 2 on the laryngoscope lens.
  • the liquid crystal display 4 has a work switch 8 and a charging socket 7 on the side, and a working indicator light 6 at the top and a power indicator light 5.
  • the sterilized laryngoscope lens 1 with the handle, the video camera and the tracheal intubation guiding groove is engaged with the handle ferrule, and the working switch 8 is pressed, and the liquid crystal display 4 and the illuminating LED lamp 105 are illuminated.
  • the video laryngoscope lens 1 is inserted into the patient's mouth, and the image sensor video camera 104 and the image signal processing circuit in the laryngoscope housing 101 convert the image in the patient's trachea into a video signal and display it.
  • the operator exposes the patient's glottis 11 by observing the liquid crystal display 4 mounted on the handle, first inserting the tracheal guiding die 9 through the endotracheal tube guiding groove 109 into the patient's glottis, and then guiding the trachea
  • the die 9 is dislodged from the tracheal intubation guiding groove 109 through the notch on the side of the tracheal intubation guiding groove 109, and the tracheal tube 10 is inserted into the tracheal guiding die 9, and the tracheal tube 10 is inserted into the patient glottis along the trachea guiding die 9.
  • the tracheal guiding die 9 is withdrawn, and finally the video laryngoscope lens 1 is exited, and the entire tracheal intubation intubation process is completed.

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Description

用于困难插管的带气管插管引导槽的视频喉镜及插管方法 技术领域
本发明涉及一种临床麻醉及抢救时用于气管插管所用的喉镜，特别涉及一种 用于困难插管的带气管插管引导槽的电子视频喉镜，特殊设计的气管引导管芯引 导槽结构适用于所有气管喉镜下插管的困难插管场合。 背景技术
临床紧急抢救或全身麻醉时需要进行人体气管导管的插入，但此时人处于窒 息或无呼吸状态， 虽然电子视频喉镜提高了插管暴露条件， 却仍然有置管困难或 咽喉部器官损伤发生率高的现象； 特别对于喉头较高的患者， 置管困难或咽喉部 器官损伤的概率更高。
在带气管插管引导槽的视频喉镜直接视频观察下，将较细的气管引导管芯通 过气管插管引导槽的引导， 可以很容易的插入声门， 然后再通过气管引导管芯导 入气管导管， 完成气管插管过程。大量的临床验证表明， 这种方法既能提高插管 暴露条件又能避免咽喉部器官损伤， 解决了所有咽喉镜下的困难气管插管。
但是要实现以上方法，必须专门设计一种能够引导气管引导管芯的带气管插 管引导槽的视频喉镜。并且， 用来引导气管引导管芯的气管插管引导槽的结构尺 寸必须专门设计。 发明内容
本发明所要解决的技术问题是要提供一种能用于所有适合气管喉镜插管的 困难插管场合的带气管插管引导槽的视频喉镜。
本发明还要解决的技术问题是要提供一种在任何困难场合都能将气管引导 管芯导入任何电子视频喉镜能够暴露的声门位置，再引导气管导管完成困难场合 下气管插管的方法。
为了解决以上的第一个技术问题，本发明提供了一种用于困难插管的带气管 插管引导槽的视频喉镜，包括带有手柄、视频摄像头及气管插管引导槽的喉镜片、 手柄卡套和液晶显示器，所述气管引导槽是在带有手柄的喉镜片上设有弧形的气 管插管引导槽，气管插管引导槽中能穿插一根气管引导管芯， 将气管导管套入气 管引导管芯后， 导引气管导管插入人体声门， 气管引导管芯能通过引导槽侧面的 缺口和引导槽分离。
所述喉镜片上的气管插管引导槽， 是与喉镜片一体成型， 或能分离的。 分离 的气管插管引导槽槽体和喉镜片之间能用超声波焊接或用粘结剂粘固。
所述喉镜片上的气管插管引导槽， 是在视频摄像头的侧面或下面。
所述气管插管引导槽槽体的横截面为腰型，两头半圆的半径 R大于上述气管 引导管芯的半径。
所述气管插管引导槽是带有槽口的管子， 或带有卡口的夹子、钩子， 带有槽 口的管子能容纳气管引导管芯， 带有卡口的夹子、钩子能卡住气管引导管芯进入 人体气管， 并能与其分离。
所述的手柄卡套和液晶显示器通过阻尼旋转关节活动连接。
所述的带有手柄、视频摄像头及气管插管引导槽的喉镜片和液晶显示器通过 套接式卡扣与手柄卡套连接， 能拆卸， 卡接后两者的电连接通过导电触点接通。
所述的带有手柄、视频摄像头及气管插管引导槽的喉镜片前端有照明灯、视 频摄像头和加热去雾电路。
所述带有手柄及气管插管引导槽的喉镜片由喉镜外壳和壳体盖密封构成，前 端的照明灯与壳体之间是密封的， 壳体内安装有摄像头、影像信号处理电路和加 热去雾电路， 咽喉镜片前端安装有温度传感器和加热元件， 影像信号处理电路将 摄像头输入信号处理后， 通过喉镜片上的导电触点和手柄卡套连接至液晶显示 为了解决以上的第二个技术问题，本发明提供了一种困难气道插管的引导气 管插管方法， 该方法的步骤如下：
步骤 1 : 将装有气管插管引导槽的视频喉镜片插入口腔并暴露声门；
步骤 2: 在视频喉镜监视下， 将一根气管引导管芯通过该气管插管引导槽导入声 门；
步骤 3: 将气管引导管芯通过气管插管引导槽槽口与引导槽脱离；
步骤 4: 将气管导管套入气管引导管芯， 并在视频喉镜监视下通过气管引导管芯 将气管导管经声门插入人体气管； 步骤 5: 在视频喉镜监视下将气管引导管芯从气管导管内抽出；
步骤 6: 将带有气管插管引导槽的视频喉镜片从喉部退出， 完成整个气管插管过 程。
本发明的优越功效在于：
1 ) 带有气管插管引导槽的电子视频喉镜， 通过观察安装于手柄上的彩色液晶显 示器， 可以将气管引导管芯导入任何电子视频喉镜能够暴露的声门位置， 再引导 气管导管完成困难场合下的插管操作；
2) 通过带有气管插管引导槽的电子视频喉镜先导入气管引导管芯， 再通过气管 引导管芯导入气管导管的插管方法，解决了一般视频喉镜在某些困难插管场合只 能暴露声门， 而气管导管插入困难的情况， 从而可以避免或减少插管时对喉头和 气管的损伤；
3) 气管插管引导槽为近似弧型的曲线， 气管插管引导槽能很方便地将气管引导 管芯导入所暴露的声门中；
4) 气管插管引导槽的横截面为腰型， 两头为半圆， 半圆的半径 R大于气管引导 管芯的半径， 可以使气管引导管芯在气管插管引导槽中的行进方便可靠， 并不易 从引导槽中滑落； 5 ) 腰型外侧的开口槽， 可以使气管引导管芯插入人体声门后方便的从气管插管 引导槽中脱出；
6 ) 喉镜片手柄和显示器之间可以方便拆卸， 从而使喉镜片可以临床浸泡消毒， 反复使用；
7 ) 使用带气管插管引导槽的视频喉镜， 既能提高插管暴露条件又能避免咽喉部 器官损伤， 解决了所有咽喉镜下的困难气管插管。 附图说明
图 1为本实用新型一体式的结构示意图；
图 2为图 1的分解图；
图 3为图 1中的气管插管引导槽在喉镜片上的结构位置示意图； 图 4为图 1中气管插管引导槽和摄像头的相对位置及引导槽截面示意图； 图 5为操作过程中气管引导管芯通过气管插管引导槽插入声门的示意图； 图 6为操作过程中气管导管套入气管引导管芯并与气管插管引导槽分离的 示意图；
图 7 为操作过程中气管导管通过气管引导管芯引导插入人体声门的示意 图；
图中标号说明
1一喉镜片；
101—喉镜壳体； 102—导电触点；
103—弹子卡簧； 104—视频摄像头；
105— LED灯； 106—温度传感器；
107—加热元件； 108—喉镜片透明前端;
109—气管插管引导槽；
2—手柄卡套； 201—接触弹簧针; 202—金属卡簧套;
3—阻尼旋转关节; 4一液晶显示器；
5—电量指示灯； 6—工作指示灯；
7—充电插座； 8—工作开关；
9一气管引导管芯; 10—气管导管；
11一声门。 具体实施方式
请参阅附图所示， 对本发明作进一步的描述。
如图 1、 图 2和图 3所示， 本发明提供了一种用于困难插管的带气管插管引 导槽的视频喉镜， 包括带有手柄、 视频摄像头及气管插管引导槽的喉镜片 1、 手 柄卡套 2和液晶显示器 4， 所述气管引导槽是在带有手柄的喉镜片 1上设有弧形 的气管插管引导槽 109， 气管插管引导槽 109中能穿插一根气管引导管芯 9， 将 气管导管 10套入气管引导管芯 9后， 导引气管导管 10插入人体声门 11， 气管 引导管芯 9能通过引导槽 109侧面的缺口和引导槽分离。
所述喉镜片上的气管插管引导槽 109，是与喉镜片 1一体成型，或能分离的。 分离的气管插管引导槽 109的槽体和喉镜片 1之间用超声波焊接或用粘结剂粘 固。
如图 4所示， 所述喉镜片 1上的气管插管引导槽 109， 是在视频摄像头 104 的侧面或下面。
如图 4所示，所述气管插管引导槽 109槽体的横截面为腰型， 两头半圆的半 径 R大于上述气管引导管芯 9的半径，位于喉镜片 1前端 108的气管插管引导槽 109的端面设有一开口槽， 该开口槽的开口宽度大于等于气管引导管芯 401的直 径。。
所述气管插管引导槽 109是带有槽口的管子， 或带有卡口的夹子、钩子， 带 有槽口的管子能容纳气管引导管芯 9， 带有卡口的夹子、 钩子能卡住气管引导管 芯 9进入人体气管， 并能与其分离。
所述的手柄卡套 2和液晶显示器 4通过阻尼旋转关节 3活动连接。所述的带 有手柄、视频摄像头及气管插管引导槽的喉镜片 1和液晶显示器 4通过套接式卡 扣与手柄卡套 2连接， 能拆卸， 带有手柄、视频摄像头及气管插管引导槽的喉镜 片 1拆卸后能够单独浸泡消毒； 手柄卡套 2套进带有手柄的喉镜片 1上后， 喉镜 片 1上的弹子卡簧 103和手柄卡套 2内的金属卡簧套 202卡接， 卡接后， 带有手 柄、 视频摄像头及气管插管引导槽的喉镜片 1和手柄卡套 2上的液晶显示器 4 固定， 喉镜片 1上的 6个导电触点 102和手柄卡套 2内的 6个相应接触弹簧针 201接通。
所述的带有手柄、视频摄像头及气管插管引导槽的喉镜片 1前端 108有照明 灯 105、 视频摄像头 104和加热去雾电路， 侧面有气管插管引导槽 109， 手柄卡 套 2通过阻尼旋转关节 3和液晶显示器 4相连接， 安装完成后， 液晶显示器 4 通过阻尼旋转关节 3可以旋转， 以适合各种人体状态的临床操作； 显示器 4和喉 镜片手柄之间可固定在旋转范围之间的任意角度， 方便操作时的观察。
所述带有手柄、视频摄像头及气管插管引导槽的喉镜片 1由喉镜外壳和壳体 盖密封构成， 壳体盖外侧有气管插管引导槽 109， 前端 108的 LED灯 105与壳体 101之间是密封的， 壳体 101内安装有视频摄像头 104、 影像信号处理电路和加 热去雾电路， 咽喉镜片前端 108安装有温度传感器 106和加热元件 107， 影像信 号处理电路将视频摄像头 104 输入信号处理后， 通过喉镜片上的导电触点 102 和手柄卡套 2连接至液晶显示器 4。
液晶显示器 4侧面设有工作开关 8和充电插座 7， 顶部设有工作指示灯 6， 并有电量指示灯 5。
将消毒过的带有手柄、视频摄像头及气管插管引导槽的喉镜片 1与手柄卡套 套接卡合， 按一下工作开关 8， 液晶显示器 4和照明 LED灯 105点亮。 如图 5、 图 6和图 7所示， 将视频喉镜片 1插入患者口腔， 影像传感器视 频摄像头 104和喉镜壳体 101内的影像信号处理电路将患者气管内的影像变换成 视频信号并显示于液晶显示器 4的显示屏上，操作者通过观察安装于手柄上的液 晶显示器 4暴露患者声门 11， 先将气管引导管芯 9通过气管插管引导槽 109插 入患者声门，然后将气管引导管芯 9通过气管插管引导槽 109边上的缺口从气管 插管引导槽 109脱出，将气管导管 10套入气管引导管芯 9，顺着气管引导管芯 9 将气管导管 10插入患者声门， 再将气管引导管芯 9抽出， 最后退出视频喉镜片 1， 完成整个气管插管插管过程。

Claims

权利 要求书
1、 一种用于困难插管的带气管插管引导槽的视频喉镜， 包括带有手柄、 视 频摄像头及气管插管引导槽的喉镜片、 手柄卡套和液晶显示器， 其特征在于： 所述气管引导槽是在带有手柄的喉镜片上设有弧形的气管插管引导槽，气管 插管引导槽中能穿插一根气管引导管芯，将气管导管套入气管引导管芯后， 导引 气管导管插入人体声门， 气管引导管芯能通过引导槽侧面的缺口和引导槽分离。
2、 按权利要求 1所述的用于困难插管的带气管插管引导槽的视频喉镜， 其 特征在于：
所述喉镜片上的气管插管引导槽， 是与喉镜片一体成型， 或能分离的。
3、 按权利要求 1所述的用于困难插管的带气管插管引导槽的视频喉镜， 其 特征在于：
所述喉镜片上的气管插管引导槽， 是在视频摄像头的侧面或下面。
4、 按权利要求 1所述的用于困难插管的带气管插管引导槽的视频喉镜， 其 特征在于：
所述气管插管引导槽槽体的横截面为腰型，两头半圆的半径 R大于上述气管 引导管芯的半径。
5、 按权利要求 1所述的用于困难插管的带气管插管引导槽的视频喉镜， 其 特征在于：
所述气管插管引导槽是带有槽口的管子， 或带有卡口的夹子、钩子， 带有槽 口的管子能容纳气管引导管芯， 带有卡口的夹子、钩子能卡住气管引导管芯进入 人体气管， 并能与其分离。
6、 按权利要求 1所述的用于困难插管的带气管插管引导槽的视频喉镜， 其 特征在于：
所述的手柄卡套和液晶显示器通过阻尼旋转关节活动连接。
7、 按权利要求 1所述的用于困难插管的带气管插管引导槽的视频喉镜， 其 特征在于：
所述的带有手柄、视频摄像头及气管插管引导槽的喉镜片和液晶显示器通过 套接式卡扣与手柄卡套连接， 能拆卸， 卡接后两者的电连接通过导电触点接通。
8、 按权利要求 1所述的用于困难插管的带气管插管引导槽的视频喉镜， 其 特征在于：
所述的带有手柄、视频摄像头及气管插管引导槽的喉镜片前端有照明灯、视 频摄像头和加热去雾电路。
9、 一种困难气道插管的引导气管插管方法， 其特征在于：
该引导气管插管方法的步骤如下：
步骤 1 : 将装有气管插管引导槽的视频喉镜片插入口腔并暴露声门；
步骤 2: 在视频喉镜监视下， 将一根气管引导管芯通过该气管插管引导槽导入声 门；
步骤 3: 将气管引导管芯通过气管插管引导槽槽口与引导槽脱离；
步骤 4: 将气管导管套入气管引导管芯， 并在视频喉镜监视下通过气管引导管芯 将气管导管经声门插入人体气管； 步骤 5: 在视频喉镜监视下将气管引导管芯从气管导管内抽出；
步骤 6: 将带有气管插管引导槽的视频喉镜片从喉部退出。
PCT/CN2009/076326 2009-01-22 2009-12-31 用于困难插管的带气管插管引导槽的视频喉镜及插管方法 WO2010083717A1 (zh)

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