CN112263762A - Visual multifunctional double-cavity bronchial cannula - Google Patents

Visual multifunctional double-cavity bronchial cannula Download PDF

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Publication number
CN112263762A
CN112263762A CN202011302746.XA CN202011302746A CN112263762A CN 112263762 A CN112263762 A CN 112263762A CN 202011302746 A CN202011302746 A CN 202011302746A CN 112263762 A CN112263762 A CN 112263762A
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China
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main
ventilation
branch
tube
pipe
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Pending
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CN202011302746.XA
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Chinese (zh)
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汪代英
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Haopu Hangzhou Biotechnology Co ltd
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Haopu Hangzhou Biotechnology Co ltd
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Priority to CN202011302746.XA priority Critical patent/CN112263762A/en
Publication of CN112263762A publication Critical patent/CN112263762A/en
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    • 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
    • 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
    • A61B1/12—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 cooling or rinsing arrangements
    • A61B1/126—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 cooling or rinsing arrangements provided with means for cleaning in-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
    • A61B1/267—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
    • A61B1/267—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
    • A61B1/2676—Bronchoscopes
    • A61M1/0023—
    • 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
    • A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
    • 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
    • A61M16/0486—Multi-lumen tracheal tubes

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

Abstract

A visual multifunctional double-cavity bronchial cannula comprises a double-cavity tube, a ventilation main tube component, a ventilation branch tube component, a main tracheal cuff component, a bronchial cuff component, a visual data system component, a flushing component and an attraction cavity component, wherein in the process of intubation, the double-cavity tube is bent by a human physiological angle through a directional guide wire, and an image signal is transmitted to a universal display through a camera at the front end to visually display a video image in real time, so that the quick and accurate positioning of the double-cavity bronchial cannula is realized, the operation from the intubation to the bronchus is accurately, quickly, safely and effectively completed, the difficulty and the complexity of the operation of the double-cavity bronchial cannula are reduced, the operation is simple, convenient and quick, and the damage to human tissues is small; meanwhile, the camera module adopts a split type image processor (when the image processor is inserted into the tube, the image processor is positioned outside the human body), the problems that the image processor has large heat productivity, the internal tissues of the human body are easy to burn and the like are reduced, and the safety is better.

Description

Visual multifunctional double-cavity bronchial cannula
Technical Field
The invention relates to a medical instrument for establishing an artificial airway for a patient, which is applied to surgical anesthesia or rescue of critical patients or other assisted respiration, in particular to a visual multifunctional double-cavity bronchial cannula.
Background
Clinically, the double-lumen bronchial catheter is widely used for separating the two lungs in the chest surgery lung operation, so that the two lungs are isolated while the lungs of a patient are kept ventilated, and the phenomenon that secretions, interstitial fluid or blood in the lung which is subjected to the operation enter the other lung to infect the lung which is not subjected to the operation is avoided, so that the double-lumen bronchial catheter has a protection effect.
At present, current two-chamber bronchial tube simple structure need be assisted with the laryngoscope during the use to need reuse bronchofiberscope to remove assistance-localization real-time, the wound is great during the use, and anesthesia induction time is long, and the medicine quantity is big, can't improve anesthesia safety, and bronchofiberscope equipment is expensive, damages easily, and is high to technical operation requirement, and every patient all needs cleaning and disinfecting after with in addition, increases work load, and the disinfection is not thoroughly easy to cause cross infection.
And current visual type two-chamber endotracheal tube camera module is structure as an organic whole, and the temperature is higher, easily causes the video acquisition module of current video endotracheal intubation pipe to have to adopt circuits integrated into one piece such as camera image acquisition module and emission module data transmission module, and the cost is higher, and image processor calorific capacity is big, burns human internal tissue scheduling problem easily, in addition, at the intubate in-process, because disease secretion glues and leads to unable clear visual on the camera surface, thereby can influence the intubate process.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a visual multifunctional double-cavity bronchial cannula which comprises the following components:
the technical scheme of the invention is realized as follows:
a visual multifunctional double-cavity bronchial cannula comprises a double-cavity tube, a ventilation main tube component, a ventilation branch tube component, a main tracheal cuff component, a bronchial cuff component, a visual data system component, a flushing component and a suction cavity component,
the main ventilation pipe assembly comprises a main ventilation pipe, a main ventilation outlet arranged at the front end of the main ventilation pipe and a main ventilation inlet arranged at the rear end of the main ventilation pipe, and a main ventilation joint is arranged at the main ventilation inlet;
the ventilation branch pipe assembly comprises a ventilation branch pipe, a branch ventilation outlet arranged at the front end of the ventilation branch pipe and a branch ventilation inlet arranged at the rear end of the ventilation branch pipe, wherein a branch ventilation joint is arranged at the branch ventilation inlet, and a guide wire is fixed in the ventilation branch pipe;
the main gas pipe sleeve bag component comprises a main gas pipe sleeve bag, a main gas filling pipe, a main indicating gas bag and a main check valve, the main gas pipe sleeve bag is sleeved at the front end of the double-cavity pipe and does not shield the main gas outlet, one end of the main gas filling pipe is connected with the main gas pipe sleeve bag, the other end of the main gas filling pipe is sequentially connected with the main indicating gas bag and the main check valve, and a main gas filling interface is arranged at the main check valve;
the bronchial cuff assembly comprises a bronchial cuff, a branch inflation tube, a branch indicating air bag and a branch check valve, the bronchial cuff is sleeved at the front end of the ventilation branch tube and does not shield a branch ventilation outlet, one end of the branch inflation tube is connected with the bronchial cuff, the other end of the branch inflation tube is sequentially connected with the branch indicating air bag and the branch check valve, and a branch inflation interface is arranged at the branch check valve;
the visual data system component comprises a camera, a data transmission line, a split-type image processor and a data interface which are arranged at the main ventilation outlet, wherein one end of the data transmission line is connected with the camera, and the other end of the data transmission line is sequentially connected with the split-type image processor and the data interface;
the flushing component comprises a flushing pipe, a flushing joint and a flushing hole, one end of the flushing pipe is connected with the flushing joint, the other end of the flushing pipe is connected with the flushing hole, and the flushing hole is formed in the main ventilation outlet and is opposite to the camera;
the suction cavity assembly comprises a suction pipe, a suction joint and a suction hole, one end of the suction pipe is connected with the suction joint, the other end of the suction pipe is connected with the suction hole, the suction hole is formed in the main ventilation outlet, the main ventilation pipe and the main ventilation branch pipe are spliced to form a double-cavity pipe, and the double-cavity pipe can be integrally manufactured.
Preferably, a bronchus camera is arranged at the branch ventilation outlet, and the bronchus camera is connected with the split-type image processor through a data transmission line.
Preferably, the front end parts of the main inflation tube, the data transmission line, the flushing tube and the suction tube are all distributed in the main ventilation tube, and the rear end parts of the main inflation tube, the data transmission line, the flushing tube and the suction tube are led out through the side edge of the double-cavity tube; the front end part of the branch inflation tube is arranged in the ventilation branch tube, and the rear end part of the branch inflation tube is led out through the side edge of the double-cavity tube.
Preferably, the flushing holes comprise a plurality of flushing holes which are respectively arranged at the main ventilation outlet in an equidistant mode and are opposite to the camera.
Preferably, the main vent outlet is wedge-shaped.
Compared with the prior art, the invention has the following beneficial effects:
according to the visual multifunctional double-cavity bronchial cannula, during the intubation process, the double-cavity tube is bent by the directional guide wire to form a human body physiological angle, and the image signal is transmitted to the universal display through the camera at the front end to visually display a video image in real time, so that the video image of tissues such as an oral cavity, a throat part, a trachea, a bronchus and the like and the insertion position of the tracheal cannula can be clearly observed in the clinical intubation process, the quick and accurate positioning of the double-cavity bronchial cannula is realized, the operation from intubation to bronchus is accurately, quickly, safely and effectively completed, the difficulty and the complexity of the operation from intubation to the bronchus are reduced, the operation is simple, convenient and quick, and the damage to human body tissues is small; meanwhile, the front end of the camera is provided with a flushing hole, so that human endocrine adhered to the surface of the camera can be flushed, and the shielding of the visual field of the camera is avoided. Meanwhile, the camera module adopts a split type image processor (when the image processor is inserted into the tube, the image processor is positioned outside the human body), the problems that the image processor has large heat productivity, the internal tissues of the human body are easy to burn and the like are reduced, and the safety is better.
Drawings
FIG. 1 is a schematic structural view of a visual type multifunctional double-lumen bronchial cannula according to the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a non-enlarged view a of fig. 2.
In the figure: dual lumen tube 100, main airway tube assembly 200, main airway tube 210, main airway outlet 220, main airway inlet 230, main airway connector 240, airway branch tube assembly 300, airway branch tube 310, bronchial outlet 320, bronchial inlet 330, bronchial outlet connector 340, main airway tube assembly 400, main airway tube 410, main inflation tube 420, main indicator balloon 430, main check valve 440, bronchial cuff assembly 500, bronchial cuff 510, bronchial tube 520, bronchial indicator balloon 530, bronchial check valve 540, bronchial interface 550, visual data system assembly 600, camera 610, data transmission line 620, split graphics processor 630, data interface 640, irrigation assembly 700, irrigation tube 710, irrigation connector 720, irrigation holes 730, aspiration lumen assembly 800, aspiration tube 810, aspiration connector 820, and aspiration holes 830.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
As shown in fig. 1 to 3, a visual multifunctional dual-lumen bronchial cannula comprises a dual-lumen tube 100, a main ventilation tube assembly 200, a branch ventilation tube assembly 300, a main balloon assembly 400, a bronchial cuff assembly 500, a visual data system assembly 600, a flushing assembly 700 and a suction lumen assembly 800, wherein the main ventilation tube assembly 200 comprises a main ventilation tube 210, a main ventilation outlet 220 arranged at the front end of the main ventilation tube 210, a main ventilation inlet 230 arranged at the rear end of the main ventilation tube 210, and a main ventilation joint 240 arranged at the main ventilation inlet 230, wherein the main ventilation joint 240 is used for connecting an external respirator and other equipment; the ventilation branch tube assembly 300 comprises a ventilation branch tube 310, a branch ventilation outlet 320 arranged at the front end of the ventilation branch tube 310, and a branch ventilation inlet 330 arranged at the rear end of the ventilation branch tube 310, wherein a branch ventilation joint 340 is arranged at the branch ventilation inlet 330, a guide wire 900 is fixed inside the ventilation branch tube 310, and the branch ventilation joint 340 is used for connecting with external equipment such as a breathing machine; the main tracheal cuff assembly 400 comprises a main tracheal cuff 410, a main inflation tube 420, a main indicating air bag 430 and a main check valve 440, wherein the main tracheal cuff 410 is sleeved at the front end of the double-cavity tube 100 and does not block the main ventilation outlet 220, one end of the main inflation tube 420 is connected with the main tracheal cuff 410, the other end of the main inflation tube 420 is sequentially connected with the main indicating air bag 430 and the main check valve 440, a main inflation interface 450 is arranged at the main check valve 440, the main tracheal cuff 410 plays a role in limiting and sealing the ventilation main tube 210, and the main tracheal cuff 410 is inflated when the intubation is finished; the bronchial cuff assembly 500 comprises a bronchial cuff 510, a bronchial inflation tube 520, a bronchial indication balloon 530 and a bronchial non-return valve 540, wherein the bronchial cuff 510 is sleeved at the front end of the airway branch tube 310 and does not block the bronchial airway outlet 320, one end of the bronchial inflation tube 520 is connected with the bronchial cuff 510, the other end of the bronchial inflation tube 520 is sequentially connected with the bronchial indication balloon 510 and the bronchial non-return valve 540, the bronchial non-return valve 540 is provided with a bronchial inflation interface 550, the bronchial cuff 510 plays a limiting and sealing role in the airway branch tube 310, and the main tracheal cuff 410 is inflated after the intubation is finished; the visual data system assembly 600 comprises a camera 610, a data transmission line 620, a split-type image processor 630 and a data interface 640 which are arranged at the main ventilation outlet 220, one end of the data transmission line 620 is connected with the camera 610, the other end of the data transmission line 620 is sequentially connected with the split-type image processor 630 and the data interface 640, and the split-type image processor 630 is arranged, so that an image processing part with serious heat dissipation is positioned at the external part of a human body during intubation, and the problems of burning internal tissues of the human body and the like can be avoided; the flushing assembly 700 comprises a flushing pipe 710, a flushing connector 720 and a flushing hole 730, one end of the flushing pipe 710 is connected with the flushing connector 720, the other end of the flushing pipe 710 is connected with the flushing hole 730, the flushing hole 730 is arranged at the main ventilation outlet 220 and is opposite to the camera 610, when the camera 610 is shielded by foreign matters on an external display device during intubation, the flushing assembly 700 is started, the flushing hole 730 is used for flushing the camera 610, the surface of the camera 610 is clear and clean, the flushing holes 730 comprise a plurality of flushing holes, the flushing holes are respectively arranged at the main ventilation outlet 220 at equal intervals and are opposite to the camera 610, and therefore the camera 610 can be cleaned without dead corners, and the cleaning effect is improved; the suction cavity assembly 800 comprises a suction tube 810, a suction joint 820 and a suction hole 830, one end of the suction tube 810 is connected with the suction joint 820, the other end of the suction tube 830 is connected with the suction hole 830, the suction hole 830 is arranged at the main ventilation outlet 220, the main ventilation tube 210 and the main body of the ventilation branch tube 310 are spliced to form the double-cavity tube 100, the double-cavity tube 100 can be integrally manufactured, and the suction hole 830 can comprise a plurality of suction holes which are respectively arranged at the main ventilation outlet 220 and can widely suck nearby tissue fluid, secretion and the like. A bronchial camera (not shown in the figure) is arranged at the bronchial vent outlet 320 and is connected with the split-type image processor 630 through a data transmission line 620, and the bronchial camera is used for observing the intubation condition at the bronchial position. The front end parts of the main inflation tube 420, the data transmission line 620, the flushing tube 710 and the suction tube 810 are all distributed in the main ventilation tube 210, and the rear end parts of the main inflation tube 420, the data transmission line 620, the flushing tube 710 and the suction tube 810 are led out through the side edge of the double-cavity tube 100; the front end portion of the branch inflation tube 520 is arranged inside the air branch tube 310, and the rear end portion of the branch inflation tube 520 is led out through the side of the double lumen tube 100. The main tracheal cuff 410 is adjustable in position at the forward end of the double lumen tube 100 and the bronchial cuff 510 is adjustable in position at the forward end of the airway tube 310. The main vent outlet 220 is of a wedge-shaped design.
The visual type multifunctional double-cavity bronchial cannula is provided with a visual data system with a camera, and during the intubation process, the ventilation main pipe is bent to the physiological angle of the human body through the directional guide wire, the image signal is transmitted to the universal display through the camera at the front end to display the video image in real time, so that the video images of the tissues of the oral cavity, the throat, the trachea, the bronchus and the like and the insertion position of the tracheal cannula can be clearly observed in the clinical intubation process, the rapid and accurate positioning of the double-cavity bronchial cannula is realized, the operation from intubation to bronchus is accurately, rapidly, safely and effectively completed, during the intubation process, a laryngoscope is not needed for assisting intubation, and a bronchofiberscope is not needed for guiding to assist in positioning and inserting the bronchus, so that the difficulty and the complexity of operation of the double-cavity bronchial intubation are reduced, the operation is simple, convenient and quick, and the injury to human tissues is small; meanwhile, the front end of the camera is provided with a flushing hole, so that human endocrine adhered to the surface of the camera can be flushed, and the shielding of the visual field of the camera is avoided. Meanwhile, the camera module adopts a split type image processor, so that the problems that the image processor has large heat productivity, easily burns internal tissues of a human body and the like are solved, and the safety is better. The operation is simple, convenient and quick, and the damage to human tissues is small; meanwhile, the front end of the camera is provided with a flushing hole, so that human endocrine adhered to the surface of the camera can be flushed, and the shielding of the visual field of the camera is avoided. Meanwhile, the camera module adopts a split type image processor, so that the problems that the image processor has large heat productivity, easily burns internal tissues of a human body and the like are solved, and the safety is better.

Claims (5)

1. A visual multifunctional double-cavity bronchial cannula is characterized by comprising a double-cavity tube, a ventilation main tube component, a ventilation branch tube component, a main tracheal cuff component, a bronchial cuff component, a visual data system component, a flushing component and a suction cavity component,
the main ventilation pipe assembly comprises a main ventilation pipe, a main ventilation outlet arranged at the front end of the main ventilation pipe and a main ventilation inlet arranged at the rear end of the main ventilation pipe, and a main ventilation joint is arranged at the main ventilation inlet;
the ventilation branch pipe assembly comprises a ventilation branch pipe, a branch ventilation outlet arranged at the front end of the ventilation branch pipe and a branch ventilation inlet arranged at the rear end of the ventilation branch pipe, wherein a branch ventilation joint is arranged at the branch ventilation inlet, and a guide wire is fixed in the ventilation branch pipe;
the main gas pipe sleeve bag component comprises a main gas pipe sleeve bag, a main gas filling pipe, a main indicating gas bag and a main check valve, the main gas pipe sleeve bag is sleeved at the front end of the double-cavity pipe and does not shield the main gas outlet, one end of the main gas filling pipe is connected with the main gas pipe sleeve bag, the other end of the main gas filling pipe is sequentially connected with the main indicating gas bag and the main check valve, and a main gas filling interface is arranged at the main check valve;
the bronchial cuff assembly comprises a bronchial cuff, a branch inflation tube, a branch indicating air bag and a branch check valve, the bronchial cuff is sleeved at the front end of the ventilation branch tube and does not shield a branch ventilation outlet, one end of the branch inflation tube is connected with the bronchial cuff, the other end of the branch inflation tube is sequentially connected with the branch indicating air bag and the branch check valve, and a branch inflation interface is arranged at the branch check valve;
the visual data system component comprises a camera, a data transmission line, a split-type image processor and a data interface which are arranged at the main ventilation outlet, wherein one end of the data transmission line is connected with the camera, and the other end of the data transmission line is sequentially connected with the split-type image processor and the data interface;
the flushing component comprises a flushing pipe, a flushing joint and a flushing hole, one end of the flushing pipe is connected with the flushing joint, the other end of the flushing pipe is connected with the flushing hole, and the flushing hole is formed in the main ventilation outlet and is opposite to the camera;
the suction cavity assembly comprises a suction pipe, a suction joint and a suction hole, one end of the suction pipe is connected with the suction joint, the other end of the suction pipe is connected with the suction hole, the suction hole is formed in the main ventilation outlet, the main ventilation pipe and the main ventilation branch pipe are spliced to form a double-cavity pipe, and the double-cavity pipe can be integrally manufactured.
2. The visual multifunctional dual-cavity bronchial cannula of claim 1, wherein a bronchial camera is arranged at the bronchial ventilation outlet and is connected with a split-type image processor through a data transmission line.
3. The visual multifunctional double-cavity bronchial cannula as claimed in claim 1 or 2, wherein the front end parts of the main inflation tube, the data transmission line, the flushing tube and the suction tube are all arranged inside the main ventilation tube, and the rear end parts of the main inflation tube, the data transmission line, the flushing tube and the suction tube are led out through the side edge of the double-cavity tube; the front end part of the branch inflation tube is arranged in the ventilation branch tube, and the rear end part of the branch inflation tube is led out through the side edge of the double-cavity tube.
4. The multifunctional visual dual-lumen bronchial cannula of claim 3, wherein the flushing holes comprise a plurality of flushing holes, which are respectively disposed at equal distances at the main ventilation outlet and are all disposed opposite to the camera.
5. The multi-functional dual lumen bronchial cannula of claim 4, wherein said main vent outlet is wedge-shaped.
CN202011302746.XA 2020-11-19 2020-11-19 Visual multifunctional double-cavity bronchial cannula Pending CN112263762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011302746.XA CN112263762A (en) 2020-11-19 2020-11-19 Visual multifunctional double-cavity bronchial cannula

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011302746.XA CN112263762A (en) 2020-11-19 2020-11-19 Visual multifunctional double-cavity bronchial cannula

Publications (1)

Publication Number Publication Date
CN112263762A true CN112263762A (en) 2021-01-26

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CN202011302746.XA Pending CN112263762A (en) 2020-11-19 2020-11-19 Visual multifunctional double-cavity bronchial cannula

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