WO2012088729A1 - 平口、侧孔气管导管和导芯 - Google Patents

平口、侧孔气管导管和导芯 Download PDF

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Publication number
WO2012088729A1
WO2012088729A1 PCT/CN2011/000123 CN2011000123W WO2012088729A1 WO 2012088729 A1 WO2012088729 A1 WO 2012088729A1 CN 2011000123 W CN2011000123 W CN 2011000123W WO 2012088729 A1 WO2012088729 A1 WO 2012088729A1
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WIPO (PCT)
Prior art keywords
tracheal tube
radius
cylinder
hemisphere
intubation
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PCT/CN2011/000123
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English (en)
French (fr)
Inventor
陈志扬
陈瑞光
刘瑾
Original Assignee
Chen Zhiyang
Chen Ruiguang
Liu Jin
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Filing date
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Application filed by Chen Zhiyang, Chen Ruiguang, Liu Jin filed Critical Chen Zhiyang
Priority to JP2013545008A priority Critical patent/JP2014503275A/ja
Priority to EP11853456.9A priority patent/EP2659928A4/en
Priority to US13/578,612 priority patent/US20130206138A1/en
Priority to KR1020137019546A priority patent/KR101508864B1/ko
Publication of WO2012088729A1 publication Critical patent/WO2012088729A1/zh

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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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0402—Special features for tracheal tubes not otherwise provided for
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0434—Cuffs
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0475—Tracheal tubes having openings in the tube

Definitions

  • the invention relates to a tracheal tube for a patient in a clinical anesthesia, first aid and intensive care unit, the front end is a flat mouth, the inner diameter is 5-10 mm, with a side hole and a cuff; the guiding catheter enters the trachea is a guiding core
  • the front end of the lead core is a hemisphere with a radius of 3-5 mm; followed by a front cylinder with a length of 30-50 ram and a radius equal to the radius of the front hemisphere; followed by a section of a circular table whose radius of the front section is equal to the radius of the front cylinder.
  • the radius of the rear section is equal to the radius of the rear cylinder, which is 10-30 ⁇ long; followed by the rear cylinder, the diameter is 5-9 hidden, and the length is 50-70 cm o
  • the front end of the tracheal tube widely used in clinical anesthesia at home and abroad is a bevel with a side hole, and the front bevel is adapted to accommodate the "1"-shaped fissure of the glottis, making the catheter easier to pass through the glottis.
  • the bevel of the front end of the endotracheal tube is relatively large, it is often more susceptible to glottis, epiglottis and larynx, making the intubation difficult. Repeated violent intubation can easily cause the slope to damage the throat, leading to edema of the throat and difficulty in ventilation until the patient suffocates. This is the most common cause of death in patients with difficult tracheal intubation.
  • the front of the tube is a round flat mouth, the inner diameter of the opening is 5-10mm, with one side hole, can strengthen ventilation; guide catheter into the trachea is A lead core, the front end of the lead core is a hemisphere with a radius of 3-5 awake, followed by a front cylinder of 30-50 mm, the radius is the same as the radius of the front hemisphere, the length is 30-50mm, followed by a section of a round table, the length of the round table is 10-30mm, followed by a rear cylinder with a diameter of 5_9 and a length of 50-70cm.
  • this guide is that the front end is hemispherical, it is easier to pass the glottis, which can reduce the damage to the vocal cords and throat, so that the intubation doctor's laryngoscope field of view is not blocked by the tracheal tube, the front end of the guide core and the front cylinder First enter the glottis, then gradually thicken the round table, the rear cylinder enters the glottis, and the tracheal tube with the inner diameter slightly larger than the diameter of the posterior cylinder of the guide core is inserted again.
  • the flat-mouth, side-hole tracheal tube and the guiding core can make the intubation doctor's field of vision clearer, avoiding damage to the vocal cords, epiglottis and piriform fossa, etc., which can significantly improve the success of the intubation. rate.
  • the front end of the tracheal tube commonly used in clinical practice is inclined, and it is easy to cause damage to the vocal cords, epiglottis and piriform fossa once it is blocked by the glottis.
  • I designed the flat mouth, side hole tracheal tube and guide core the front end is a circular flat mouth, the front end hemisphere, the front cylinder, the round table and the rear cylinder of the guide core pass through the glottal door in turn, and then the catheter is sent along the guide core into the trachea,
  • the guide core can be used.
  • the flat mouth and side hole tracheal tube can avoid the damage of the catheter to the throat.
  • the feeding tube When selecting the flat mouth and the side hole tracheal tube auxiliary intubation which are compatible with the diameter of the fiberoptic bronchoscope and the intubation probe, the feeding tube will be easier, and the intubation is made. The success rate will be greatly improved.
  • the technical solution adopted by the present invention to solve the technical problem is as follows:
  • the other part of the tracheal tube is the same as the conventional common catheter, but the front end of the catheter is designed as a circular flat mouth with an inner diameter of 5-10 draws and a side hole. It is elliptical and can be ventilated; it is used with a lead core, the front end is a hemisphere with a radius of 3-5; followed by the front cylinder, 30-50mm long, the radius is equal to the radius of the front hemisphere; It is a circular table.
  • the radius of the front section of the circular table is equal to the radius of the front cylinder.
  • the radius of the rear section is equal to the radius of the rear cylinder.
  • the length is 10-30 ram. Then it is the rear cylinder.
  • the diameter is 5-9 mm and the length is 50-70 cm.
  • the invention has the beneficial effects that the contact between the catheter and the throat can be reduced, and the front end hemisphere and the front cylinder of the guide core are first passed through the glottis into the trachea, so that the intubation doctor's field of vision can be prevented from being blocked by the tracheal tube, and then Gradually thickened round, rear, flat, and side-hole tracheal tubes enter the trachea through the glottis, which will significantly improve the success rate of difficult tracheal intubation. Avoid damage to the vocal cords, epiglottis, and piriform fossa of the tracheal tube.
  • the front end of the common tracheal tube is a bevel. Unless the bevel of the front end of the catheter is directly aligned with the glottic fissure, the intubation doctor can easily cause vocal cord and throat damage if the catheter is blocked by violence, and the insertion is increased. The difficulty of the tube.
  • FIG 1 and 2 are schematic views of the present invention.
  • Figure 1 Flat-mouth, side-hole tracheal tube, of which 1, flat mouth 2, side hole 3, cuff 4, inner diameter (5. 5-10mm) 5, guide body
  • Figure 2 the core, where 1, the hemisphere (diameter is 3-5 hidden) 2, the front cylinder (length 30-50 hidden, the radius is equal to the radius of the front hemisphere) 3, the round table (the radius of the front section is equal to the radius of the front cylinder, The radius of the rear section is equal to the radius of the rear cylinder, the length is 10-30 ⁇ ) 4, the rear cylinder (the diameter is 5-9 ram, the length is 50-70 cm)
  • Shown in Figure 1 is a flat-mouth, side-hole tracheal tube with a rounded flat front end, a side hole next to the flat mouth, and a set of bladders that are inflatable.
  • the inner diameter of the catheter opening is 5-10 inches.
  • Shown in Figure 2 is the lead core, the front end is a half-ball, the diameter is 3-5mm ; then the front cylinder, the length is 30- 50mm, the radius is equal to the radius of the front hemisphere; followed by a round table, the radius of the front section is equal to The radius of the front cylinder, the radius of the rear section is equal to the radius of the rear cylinder, and the length is 10-30 draws; followed by the rear cylinder, the diameter is 5-9, and the length is 50-70 cm.
  • the inner diameter of the flat and side hole tracheal tube is 5-10mm.
  • the clinical anesthesiologist can select the catheter with the corresponding inner diameter according to the patient's needs.
  • the diameter of the posterior cylinder is smaller than the inner diameter of the catheter by l-2mm.
  • the intubator doctor holds the end of the tracheal tube and the junction of the lead.
  • the hemisphere, the front cylinder, the round table, the rear cylinder and the catheter of the guiding core are sequentially passed through the glottis. After the catheter cuff enters the glottis, the guiding core is gradually retracted. After the catheter is inserted into the required depth, the guiding core is completely withdrawn, and the cuff is inflated. Further confirm that the catheter can complete the endotracheal intubation in the trachea.

Description

说 明 书 平口、 侧孔气管导管和导芯 一、 所属技术领域
本发明涉及一种用于临床麻醉、 急救和重症监护病房内病人的气管导管， 前端为平口， 内径为 5-10mm， 带有一个侧孔和套囊； 引导导管进入气管内的是一导芯， 导芯最前端是一个 半球， 半径为 3-5mm; 随后是前圆柱， 长为 30-50ram， 半径等于前端半球的半径； 随后是一段 圆台， 圆台的前截面的半径等于前圆柱的半径， 后截面的半径等于后圆柱的半径， 长是 10-30誦； 随后是后圆柱， 直径是 5-9隱 ，长是 50- 70cmo
二、 背景技术
目前， 在国内外临床麻醉中广泛采用的气管导管的前端是斜面， 带有侧孔， 前端斜面是 为了适应声门的 " 1 "字形裂隙， 使导管更容易通过声门。 由于气管导管前端的斜面比较大， 往往比较容易受阻于声门、会厌和喉， 使得插管困难。反复暴力插管很容易使斜面损伤喉部， 导致喉头水肿、 通气困难直至病人窒息。 这是气管插管困难时病人死亡的最常见原因。 在困 难气管插管时， 无论是使用纤维支气管镜辅助插管还是使用插管探条辅助插管， 当纤维支气 管镜或探条被成功插入气管后， 经常出现的情形是送管困难。 原因是当纤维支气管镜或探条 的前部与气管导管套入部分成角时， 气管导管前段的斜面遇到梨状窝、 会厌或声带等， 极易 受阻， 用暴力勉强送管将造成声带、 会厌和喉的损伤、 纤维支气管镜损伤、 插管困难等。 为 此，本人设计平口、侧孔气管导管和导芯，导管的最前面为一圆形平口，开口处内径为 5-10mm, 同时带有一侧孔， 可加强通气； 引导导管进入气管内的是一导芯， 导芯最前端是半径为 3-5醒 的半球， 随后是 30- 50mm的前圆柱， 半径与前端半球的半径一样， 长为 30-50mm， 随后是一段 圆台， 圆台的长是 10-30mm， 随后是后圆柱， 直径是 5_9匿，长是 50- 70cm。 本导芯的优点是前 端为半球形， 更容易通过声门， 可减少对声带和喉的损伤， 使插管医生的喉镜下视野免受气 管导管的阻挡， 导芯的前端半球和前圆柱先进入声门， 随后渐渐增粗的圆台、 后圆柱进入声 门， 内径比导芯后圆柱的直径稍大的气管导管再被插入。 无论是普通气管插管还是困难插管 时， 平口、 侧孔气管导管和导芯可使插管医生的视野更加清晰， 可避免损伤声带、 会厌和梨 状窝等， 可显著提高插管的成功率。
三、 发明内容
目前临床上普遍使用的气管导管的前端为斜面形， 通过声门时一旦受阻容易造成声带、 会厌和梨状窝等损伤。 本人设计的平口、 侧孔气管导管和导芯， 前端为圆形平口， 由导芯的 前端半球、前圆柱、 圆台、后圆柱依次过声门， 再把导管沿着导芯送入气管， 拔出导芯即可。 本平口、 侧孔气管导管可避免导管对喉头的损伤， 选择与纤维支气管镜、 插管探条直径相适 应的平口、 侧孔气管导管辅助插管时， 将使送管更加容易， 插管的成功率将大大提高。
本发明解决其技术问题所采用的技术方案是： 气管导管其他部分与目前常用的普通导管 无异， 只是导管的前端设计为圆形平口， 内径为 5-10画， 同时还带有一侧孔， 为椭圆形， 可 加强通气； 与之配套使用的是一导芯， 最前端是一个半球， 半径为 3-5議； 随后是前圆柱， 长 为 30-50mm， 半径等于前端半球的半径； 随后是一段圆台， 圆台的前截面的半径等于前圆柱的 半径， 后截面的半径等于后圆柱的半径， 长是 10-30ram; 随后是后圆柱， 直径是 5-9mm ,长是 50- 70cm。
本发明的有益效果是， 可以减少导管与喉的接触， 让导芯较细的前端半球、 前圆柱先通 过声门进入气管内， 因此可使插管医生的视野免受气管导管的阻挡， 随后渐渐增粗的圆台、 后圆柱、平口、侧孔气管导管依次通过声门进入气管内， 将显著提高困难气管插管的成功率， 避免气管导管对声带、 会厌和梨状窝的损伤。 而普通气管导管的前端为一斜面， 除非导管前 端的斜面直接对准了声门裂隙， 否则在插管受阻时插管医生如果用暴力推进导管则极易造成 声带和喉的损伤， 同时增加插管的难度。
四、 附图说明
下面结合附图和实施例对本发明进一步说明。
图 1和图 2是本发明的原理图。
图 1平口、 侧孔气管导管， 其中 1， 平口 2， 侧孔 3， 套囊 4， 内径 （5. 5-10mm) 5， 导 管体
图 2导芯， 其中 1， 半球（直径是 3-5隱） 2， 前圆柱 (长为 30-50隱， 半径等于前端半球的 半径） 3， 圆台 （前截面的半径等于前圆柱的半径， 后截面的半径等于后圆柱的半径， 长是 10- 30誦） 4，后圆柱 （直径是 5-9ram，长是 50- 70cm)
五、 具体实施方式
在图 1中显示的是平口、侧孔气管导管，导管的前端为圆形平口，平口旁边带有一个侧孔， 后带有一套囊，可充气，导管开口的内径是 5-10誦。在图 2中显示的是导芯，最前端是一半球， 直径是 3-5mm; 随后是前圆柱， 长为 30- 50mm， 半径等于前端半球的半径； 随后是一圆台， 前 截面的半径等于前圆柱的半径， 后截面的半径等于后圆柱的半径， 长是 10-30画； 隨后是后圆 柱， 直径是 5- 9議 ,长是 50- 70cm。
本平口、 侧孔气管导管的内径为 5-10mm， 临床麻醉医生可根据病人的需要， 选择相应内 径的导管， 导芯后圆柱的直径比导管的内径小 l-2mm。对估计有困难气管插管的病人， 可先将 导芯插入气管内， 依次让导芯的前端半球、 前圆柱、 圆台、 后圆柱通过声门， 再将平口、 侧 孔气管导管沿着导芯插入气管内， 拔出导芯即可； 也可先将平口、 侧孔气管导管套入导芯到 达后圆柱与圆台的交界处， 插管医生手握气管导管的末端与导芯的交界处， 依次让导芯的半 球、 前圆柱、 圆台、 后圆柱和导管通过声门， 待导管套囊进入声门后， 渐渐后退导芯， 把导 管插入需要深度后， 完全退出导芯， 给套囊充气， 进一步确认导管在气管内即可完成气管插 管。

Claims

权 利 要 求 书
1.一种平口、侧孔气管导管，前端是圆形，带有一侧孔和套囊；与之配套使用的导芯由半球、 前圆柱、 圆台、 后圆柱构成。
2. 根据权利要求 1所述的平口、侧孔气管导管， 其特征是前端是圆形平口， 蒂有一侧孔和套; 囊， 内径为 5- 10
3. 根据权利要求 1所述的导芯， 由半球、 前圆柱、 圆台、 后圆柱构成， 其特征是前端半球的 直径是 3-5mm; 前圆柱长为 30-50mm， 半径等于前端半球的半径； 圆台的前截面的半径等于 前圆柱的半径， 后截面的半径等于后圆柱的半径， 长是 10-30iim; 后圆柱的直径是 5-9mm，长 是 50-70cm
PCT/CN2011/000123 2010-12-29 2011-01-26 平口、侧孔气管导管和导芯 WO2012088729A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013545008A JP2014503275A (ja) 2010-12-29 2011-01-26 扁平開口部及び側面開口部を有する気管チューブ及びガイド芯
EP11853456.9A EP2659928A4 (en) 2010-12-29 2011-01-26 TRACHEALTUBUS WITH FLAT MOUTH AND SIDE OPENING AND GUIDE CORNER
US13/578,612 US20130206138A1 (en) 2010-12-29 2011-01-26 Tracheal tube with flat mouth and side opening and guide core
KR1020137019546A KR101508864B1 (ko) 2010-12-29 2011-01-26 평면단, 측공 기관도관과 가이드 코어

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CN201010620049.9 2010-12-29
CN201010620049.9A CN102526852B (zh) 2010-12-29 2010-12-29 平口、侧孔气管导管和导芯

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WO2015066765A1 (en) * 2013-11-05 2015-05-14 Vivian Vernon Harold Intubation device and method of use thereof
CN106725988A (zh) * 2016-12-01 2017-05-31 甘肃中医药大学 一种大鼠气管插管方法及其应用
CN113648500A (zh) * 2021-08-15 2021-11-16 江苏威茂医疗科技有限公司 引导式气管插管
CN116370774A (zh) * 2023-05-23 2023-07-04 富利凯医疗用品(东莞)有限公司 一种可视气管插管及其使用方法

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EP2659928A1 (en) 2013-11-06
CN102526852B (zh) 2015-07-22
JP2014503275A (ja) 2014-02-13
CN102526852A (zh) 2012-07-04
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KR101508864B1 (ko) 2015-04-07

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