WO2019153945A1 - Canule trachéale visuelle améliorée - Google Patents

Canule trachéale visuelle améliorée Download PDF

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Publication number
WO2019153945A1
WO2019153945A1 PCT/CN2018/124675 CN2018124675W WO2019153945A1 WO 2019153945 A1 WO2019153945 A1 WO 2019153945A1 CN 2018124675 W CN2018124675 W CN 2018124675W WO 2019153945 A1 WO2019153945 A1 WO 2019153945A1
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WO
WIPO (PCT)
Prior art keywords
camera
flushing
accommodating cavity
endotracheal tube
improved visual
Prior art date
Application number
PCT/CN2018/124675
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English (en)
Chinese (zh)
Inventor
左明章
薛富善
王卫东
李宏博
张升炎
朱福斌
李芳柄
Original Assignee
浙江优亿医疗器械有限公司
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Publication date
Application filed by 浙江优亿医疗器械有限公司 filed Critical 浙江优亿医疗器械有限公司
Publication of WO2019153945A1 publication Critical patent/WO2019153945A1/fr

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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
    • A61B1/04—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
    • A61B1/012—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 characterised by internal passages or accessories therefor
    • 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
    • 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

Definitions

  • the invention belongs to the technical field of medical instruments, and in particular relates to an improved visual endotracheal tube.
  • Endotracheal intubation is an important method often used in general anesthesia or cardiopulmonary resuscitation and emergency treatment of critically ill patients with respiratory dysfunction.
  • the key is how to improve and facilitate rapid and direct oral intubation and
  • the success rate of difficult airway intubation, the common type of tracheal intubation requires the use of medical instruments such as intubation rods or laryngoscopes.
  • This type of intubation is complicated, time consuming, and increases the workload of the physician;
  • the laryngoscope and the light bar have great damage to the human body, and can not achieve the visual effect.
  • the visual laryngoscope can only observe the position of the oral cavity and the glottis, and can not fully achieve the visual effect, and the operation is time-consuming and costly; therefore, providing A visual endotracheal intubation that is precise, fast, safe and effective, has minimal tissue damage, and provides full-process dynamic video monitoring is essential.
  • CN205683368U discloses a visible tracheal intubation, which is provided with a camera on the front end surface of the curved tube body.
  • a cannula guide made of a soft material is generally used in medical treatment to avoid trauma to the patient during the intubation process, but The setting of the camera on the front end face makes the socket hard, weakens or even eliminates the advantage of the soft socket, and is difficult to implement.
  • the secretion of the mouth and the esophagus in the intubation process inevitably pollutes the camera, making it difficult to achieve visual effects.
  • an object of the present invention to provide an improved visual endotracheal tube comprising a tubular body and a cuff, the tubular body comprising a flexible patient end, a machine end and extending from the patient end to the machine end a lumen, the cuff is disposed at the flexible patient end, and is connected with an inflation device, the tube body has a slanted opening, and the inner wall of the tube extending along the proximal end of the oblique opening is provided with a accommodating cavity and a rinsing channel.
  • the open end of the cavity is flush with the proximal end of the oblique opening, and the flushing channel is adjacent to and spaced apart from the receiving cavity, the receiving cavity is provided with an imaging device, and the imaging device is indented inwardly with respect to the proximal end of the oblique opening
  • the flushing passage is provided with a flushing hole facing the image capturing device and communicating with the receiving cavity.
  • the imaging device is a camera, and the camera is fixed in the accommodating cavity and is 1 to 2 mm from the proximal end of the oblique opening.
  • the flushing channel is bent 30° to 90° toward the imaging device at a position close to the oblique opening to form a vertical or inclined flushing hole for flushing the image pickup device, the flushing hole being substantially aligned with the image capturing device.
  • the inner wall of the cannula is fixed with a support spring.
  • the accommodating cavity and the rinsing channel are laterally separated by a distance of 1-2 mm on the inner wall of the tube; further, the rinsing channel is bent 50 to 75 degrees toward the camera device at a position close to the proximal end of the oblique opening, A slanted flushing hole is formed toward the image pickup device.
  • the intersection of the open end of the receiving cavity and the proximal end of the oblique opening smoothly transitions to form an oblique opening having an elliptical contour.
  • the image pickup apparatus further includes a wire harness connected to the camera, the wire harness portion penetrating through the lumen, the USB connector connected to the tail of the wire harness; and the camera mounted with the LED lamp.
  • the flushing passage is connected to the outside of the tubular body with an irrigation pipe and an flushing joint.
  • the end wall of the patient end is provided with a Murphy hole, and the machine end of the cannula is provided with a joint.
  • Another object of the present invention is to provide a visual endotracheal intubation system and display device that transmits imaging to a display device via a bundle of wires.
  • the present invention has the following beneficial effects:
  • the tracheal intubation provided by the invention passes through the flexible patient end, and the insertion operation is simple and rapid, and the camera device is located on the inner wall of the tube, and is retracted a short distance relative to the proximal end of the oblique mouth, thereby retaining the flexible patient.
  • the softness of the end can achieve the optimal visual effect, reduce the difficulty of the intubation and the complexity of the operation, and do not need to be inserted into the laryngoscope to alleviate the patient's treatment pain.
  • the whole body uses the supporting spring to avoid the tracheal intubation caused by the patient's bite during the operation or the operation of the doctor. Even if the tube body is greatly distorted, the normal operation can be guaranteed.
  • the oblique mouth of the cannula provided by the invention has an elliptical shape, and the insertion is light and labor-saving, thereby avoiding damage to human tissues.
  • the rinsing channel is separated from the accommodating cavity by 1-2mm. At this time, the rinsing liquid can be prevented from corroding the wire bundle connected to the camera, the stroke of the rinsing liquid can be reduced, the impulse of the rinsing liquid can be ensured, and the cleaning force is large.
  • the position of the glottis, epiglottis, esophagus, trachea and bronchus can be clearly observed during the clinical intubation process.
  • the position and fixation effect of the intubation can be understood in real time by observing the video image.
  • the efficiency and success rate of the cannula are improved; the intubation rod and the visual laryngoscope can be eliminated during the intubation process, which reduces the difficulty of the intubation and the complexity of the operation.
  • FIG. 1 is a schematic structural view of an endotracheal tube provided by the present invention.
  • FIG. 2 is a partial enlarged view of a patient end of an endotracheal intubation provided by the present invention
  • Figure 3 is a cross-sectional view of the end of the tracheal intubation provided by the present invention.
  • FIG. 4 is a transverse cross-sectional view of a tracheal intubation tube provided by the present invention.
  • a visual endotracheal tube includes a tubular body and a cuff, the tubular body including a flexible patient end 1, a machine end 3 and an extension from the patient end 1 to the machine end a lumen 2, the cuff 4 is disposed on the flexible patient end 1, the inner wall of the tube is provided with an inflation passage, and the inflation passage is connected with an inflation head outside the tube, and the socket of the cannula is an oblique opening 8 (inclined opening The oblique end has a proximal end 82 and a distal end 81, and an adjacent but non-connecting accommodating cavity 11 and a flushing channel 13 are formed along the inner wall of the tube extending toward the luminal head along the oblique proximal end 82.
  • the shape of the body can be variously changed.
  • the lumen 2 is curved, and the curved official cavity has an opposite outer peripheral region 9 and an inner peripheral region 10, and the receiving cavity and the flushing channel are both disposed.
  • the peripheral region 9 of the lumen for example, the lumen is also curved, but the accommodating chamber and the rinsing channel are both disposed in the peripheral region.
  • the shape of the lumen may be linear in some cases, such as a support spring.
  • the tube body provided by the present invention is applicable to a cannula of any shape. .
  • the accommodating cavity 11 for placing the camera 12 extends from the proximal end 82 of the oblique opening, because the existing visual cannula has a accommodating cavity from the inner wall of the distally extending tube, so that Inevitably, the insertion head is hardened, and the "peripheral area", “inner circumference area” and “near end” and “outer end” described herein are not limited to one curved line or one nearest point. Rather, it is a broad definition, such as the near end, and the far end refers to a region, rather than a nearest or farthest point, as long as the object of the invention can be achieved, and should fall within the scope of the present invention.
  • near and far as used herein are intended to have a reference point relative to the user, “distal” means the position, direction or orientation generally away from the user, and the term “proximal” means generally oriented toward the user. Position, direction or pointing.
  • the accommodating cavity 11 is provided with a camera 12.
  • the accommodating cavity 11 is open, and the opening of the accommodating cavity is in the same direction as the opening of the slanting opening.
  • the accommodating cavity is along The proximal end 82 of the oblique opening extends, and the end face of the receiving cavity is flush with the proximal end of the oblique opening, which is also important, because if the opening of the receiving cavity of the camera is recessed a small distance together with the camera, during the insertion process
  • the physiological tissue also touches the unsmooth part of the oblique opening, which is easy to cause trauma to the patient.
  • the distance between the camera and the proximal end of the accommodating cavity is not too large. It is found that when the camera 12 is inwardly retracted by 1 to 2 mm with respect to the open end of the accommodating cavity, the camera is relatively The proximal end of the oblique mouth is also contracted 1 to 2 mm inward, for example, 1 mm.
  • the rigid camera does not destroy the soft advantage of the oblique opening, and is not caused by the implantation of the camera.
  • the defect that the guide head becomes hard has good clinical effect; secondly, the visualization effect is optimal.
  • the size of the accommodating cavity is matched with the size of the camera.
  • the mounting means may be various, including glue bonding on the side wall of the accommodating cavity, or by other means such as snapping or screwing.
  • the camera can be wrapped with transparent material to prevent the camera from directly contacting the human secretions; thus, the flexible characteristics of the flexible patient end are retained, and the defect of the patient end of the intubation caused by the existing visual imaging device is eliminated, and Achieve optimal visual effects.
  • the open end surface of the accommodating cavity 11 is flush with the proximal end contour of the oblique opening, and is not convex or retracted; in addition, the open end of the accommodating cavity 110 and the proximal edge of the oblique opening 8
  • the smooth transition of the junction makes the socket of the visual cannula form an inclined opening 8 with an elliptical edge, which does not change the advantage of the soft oblique mouth, retains the flexible patient end, and the insertion process is light and labor-saving, convenient for the doctor to operate and relieve the patient's pain.
  • the accommodating cavity further includes a wire bundle 17 connected to the camera, the wire bundle 17 partially penetrating the lumen 2, and the USB connector 18 connected to the tail of the wire harness to realize an image transfer function;
  • the camera is equipped with a light source for illuminating the glottis or for convenient imaging.
  • the inner diameter of the accommodating cavity is less than 0.5 mm
  • the camera is a fixed focal length CMOS camera
  • the light source is an LED light.
  • the patient end end side wall is provided with a Murphy's hole 19, and the machine end 3 of the cannula is provided with a joint 31.
  • This embodiment provides a function of keeping the camera clear at any time on the basis of Embodiment 1.
  • FIG. 3 a cross-sectional view of the patient end is shown.
  • the flushing channel 13 and the accommodating cavity 11 are preferably used.
  • Adjacent means that adjacent to the inner wall of the tube, adjacent but not connected, that is, they are spaced apart, in the embodiment provided by the present invention, the receiving chamber and the flushing channel are The lateral spacing of the inner wall of the inner circumference of the tube is 1-2 mm, and the flushing channel 13 is provided with a flushing hole 14 bent toward the camera 12 and communicating with the receiving cavity 11 at a position close to the proximal end of the oblique opening, and the flushing hole 14 is located in the flushing The end of the channel 13 is substantially flush with the camera 12, which is substantially flush to achieve a flushing effect. As shown in FIG.
  • the flushing tube 15 and the flushing joint 16 are connected to the flushing passage outside the tubular body, and the flushing joint is used for connecting a flushing device such as a syringe; Avoid the corrosion of the wiring harness connected to the camera by the rinsing liquid, and reduce the stroke of the rinsing liquid, ensure the impulse of the rinsing liquid, and the cleaning force is large.
  • the inventors of the present invention optimized the rinsing hole, and after repeated screening tests, as shown in FIG. 3, the accommodating cavity 11 and the rinsing channel 13 extend along the inner wall of the luminal, and the rinsing channel 13 is near the slanting opening.
  • the position of the end is bent 30° to 90° toward the camera; at this time, two kinds of flushing holes are formed, which are vertical and inclined flushing holes with respect to the camera.
  • the lateral separation distance between the accommodating cavity 11 and the rinsing channel 13 is 1.5-1.6 mm, and the rinsing channel 13 is bent 50 near the oblique opening.
  • a temperature of ⁇ 75° is directed to the camera 12 to form a slanted rinsing aperture 14 for rinsing the camera.
  • the inclination of the flushing hole has the following obvious advantages compared with the flushing hole with other inclination or verticality: 1.
  • the flushing force is the largest, and the debris of the camera is completely washed away with a small amount of liquid or gas, and will not There are residues; 2.
  • the cleaning agent can be directly oriented toward the camera, and the debris of the camera can be washed away without any deviation. 3.
  • No additional flushing structure is added, only the inner wall of the tube is cleverly designed, and the structure is light and extremely The earth reduces the suffering of patients during treatment.
  • the inflator provided by the present invention may include an inflation passage, an inflation duct 5, an indication airbag 6, a single-phase valve 7, and the like, which belong to the prior art.
  • the present embodiment combines the tracheal intubation provided in the first embodiment and the second embodiment, and simultaneously inserts a spring 20 around the inner wall of the inner wall 21 of the tracheal intubation to cooperate with the existing tracheal intubation to form a trachea with enhanced strength.
  • Intubation can avoid the risk of gas passing through due to twisting or bending. It can also play a supporting role. On materials, relatively soft materials such as PVC and silica gel can be selected.
  • the imaging can be transmitted to the display device to achieve a visual effect during the operation.

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  • Health & Medical Sciences (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract

La présente invention concerne une canule trachéale visuelle, comprenant un corps de canule et un manchon (4). Le corps de canule comprend une extrémité patient flexible (1), une extrémité machine (3), et une cavité de canule (2) s'étendant de l'extrémité patient (1) à l'extrémité machine (3). Le manchon (4) est disposé au niveau de l'extrémité patient flexible (1) et relié à un dispositif de gonflage ; le corps de canule est pourvu d'une ouverture en biseau (8) ; la paroi interne du corps de canule s'étendant le long de l'extrémité proximale de l'ouverture en biseau (8) est pourvue d'une cavité de réception (11) et d'un canal de rinçage (13) ; l'extrémité d'ouverture de la cavité de réception (11) affleure l'extrémité proximale de l'ouverture en biseau (8) ; le canal de rinçage (13) est adjacent à la cavité de réception (11) et séparé de celle-ci ; une caméra (12) est intégrée dans la cavité de réception (11) ; la caméra (12) est rétractée vers l'intérieur par rapport à l'extrémité proximale de l'ouverture en biseau (8) ; et le canal de rinçage (13) est pourvu d'un trou de rinçage (14) qui fait face à la caméra (12) et communique avec la cavité de réception (11). L'avantage flexible de l'extrémité patient flexible (1) est réservé, et l'effet visuel est obtenu. De plus, l'effet de nettoyage de la caméra (12) est remarquable.
PCT/CN2018/124675 2018-02-07 2018-12-28 Canule trachéale visuelle améliorée WO2019153945A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820218201.2U CN208678114U (zh) 2018-02-07 2018-02-07 一种改进的可视气管插管及其系统
CN201820218201.2 2018-02-07

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WO2019153945A1 true WO2019153945A1 (fr) 2019-08-15

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108245755B (zh) * 2018-02-07 2023-10-13 浙江优亿医疗器械股份有限公司 一种改进的可视气管插管
JP2022536176A (ja) * 2019-06-13 2022-08-12 立偉 張 フルタイムモニタニングするビデオ内蔵型内視鏡を有する気管内チューブ
CN110917459A (zh) * 2019-12-11 2020-03-27 姜虹 一种困难气道患者气管插管装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204379934U (zh) * 2014-11-28 2015-06-10 刘红燕 一种带侧管冲洗吸痰引流的喉罩气道导管
CN205095204U (zh) * 2015-11-11 2016-03-23 邓海洪 前端可调节的可视气管导管
CN205683368U (zh) * 2016-05-06 2016-11-16 邹弘 一种可视气管插管
US9498112B1 (en) * 2013-03-15 2016-11-22 Brent Stewart Laryngoscope
CN206350863U (zh) * 2016-10-20 2017-07-25 吉林大学 一种气管插管
CN107158536A (zh) * 2017-04-26 2017-09-15 深圳市广利兴生物科技有限公司 一种用于建立人工通气道的管子及设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9498112B1 (en) * 2013-03-15 2016-11-22 Brent Stewart Laryngoscope
CN204379934U (zh) * 2014-11-28 2015-06-10 刘红燕 一种带侧管冲洗吸痰引流的喉罩气道导管
CN205095204U (zh) * 2015-11-11 2016-03-23 邓海洪 前端可调节的可视气管导管
CN205683368U (zh) * 2016-05-06 2016-11-16 邹弘 一种可视气管插管
CN206350863U (zh) * 2016-10-20 2017-07-25 吉林大学 一种气管插管
CN107158536A (zh) * 2017-04-26 2017-09-15 深圳市广利兴生物科技有限公司 一种用于建立人工通气道的管子及设备

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