CN115137933A - High-frequency jet oxygen supply loop based on anesthesia machine and use method thereof - Google Patents

High-frequency jet oxygen supply loop based on anesthesia machine and use method thereof Download PDF

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Publication number
CN115137933A
CN115137933A CN202210751192.4A CN202210751192A CN115137933A CN 115137933 A CN115137933 A CN 115137933A CN 202210751192 A CN202210751192 A CN 202210751192A CN 115137933 A CN115137933 A CN 115137933A
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CN
China
Prior art keywords
oxygen supply
anesthesia machine
air outlet
infant
sealing cover
Prior art date
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Pending
Application number
CN202210751192.4A
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Chinese (zh)
Inventor
王谦
朱江
嵇富海
苏惠斌
费建
魏嵘
高宏
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Affiliated Childrens Hospital of Soochow University
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Affiliated Childrens Hospital of Soochow University
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Priority to CN202210751192.4A priority Critical patent/CN115137933A/en
Publication of CN115137933A publication Critical patent/CN115137933A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/01Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/267Instruments 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
    • A61B1/2676Bronchoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/50Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A61B90/16Bite blocks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20Valves specially adapted to medical respiratory devices
    • A61M16/208Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves

Abstract

The invention belongs to the field of medical instruments, and relates to a high-frequency jet oxygen supply loop based on an anesthesia machine and a using method thereof, wherein the high-frequency jet oxygen supply loop comprises an oronasal sealing cover and a ventilation connecting pipe; the mouth and nose sealing cover is provided with a mirror operation opening and an air outlet, and a second sealing part is arranged in the mirror operation opening; one end of the ventilation connecting pipe is communicated with an air outlet pipe and an oxygen supply pipe, the air outlet pipe is connected with an air outlet of the oronasal sealing cover, the oxygen supply pipe is used for being matched and connected with an oxygen supply port of the hard bronchoscope, and the other end of the ventilation connecting pipe is used for being matched and connected with a breathing loop of an anesthesia machine; an air inlet one-way valve is arranged in the oxygen supply pipe, and an air outlet one-way valve is arranged in the air outlet pipe or the air outlet. The invention does not influence the autonomous respiration of the infant, avoids oxygen rich in anesthetic gas from being discharged in an operating room to pollute the operating environment, avoids anesthetic gas from being inhaled by operating doctors, anesthetists and nurses, avoids anesthetic gas waste, and simultaneously ensures that the infant can be continuously anesthetized by inhalation so as to avoid body movement of the infant.

Description

High-frequency jet oxygen supply loop based on anesthesia machine and use method thereof
Technical Field
The invention relates to the field of medical instruments, in particular to a high-frequency jet oxygen supply loop based on an anesthesia machine and a using method thereof.
Background
The epiglottis protective reflex of the children is not well developed, food fragments are easy to enter air passages by mistake when the children eat crying and screaming, suffocation is caused, the condition of the children is very urgent, the children need to be treated as soon as possible, and otherwise death is easy to occur. Because of the extreme risk of the procedure, few hospitals are willing to undertake such risks, even in the prefecture market, only one hospital is willing to undertake such procedures, and even no hospital is willing to undertake in the county market.
Hard bronchoscopes are frequently used in the operation for taking out foreign matters from the main trachea of the child, the breathing management is very difficult in the operation, the oxygen saturation of the child patient is frequently and seriously reduced, even the heart rate of the child patient is seriously reduced, great pressure is brought to an operating doctor and an anaesthesia doctor, great risk is brought to the patient, and even death occurs.
Currently, the common anesthesia methods include the following methods: 1. according to the mode of anesthesia, the body, the four limbs and the head of the infant patient are forcibly fixed by two to three medical staff, so that the patient suffers pain, the infant patient struggles violently, and the hard bronchoscope can cause airway injury, even trachea rupture, pressure pneumothorax and even death in the operation if the infant is braked improperly; 2. the intravenous anesthesia mode is that anesthetic is injected into veins of an infant patient (muscle relaxant is not used), however, foreign matters exist in the airway of the infant patient, the respiration is originally damaged, if respiration inhibition is caused by the intravenous anesthetic, the hypoxia of a patient is more serious, the oxygen saturation is reduced seriously in the operation, even the oxygen saturation is suspended for many times, the operation is continued after oxygen supply, the doctor does not want to interrupt the operation at the key moment of the operation, the oxygen saturation is even reduced to be below 50%, the heart rate falls to be below 50bpm, and the infant patient faces a great risk; 3. general anesthesia (using muscle relaxant), the mode is trachea intubation after anesthesia induction, a tracheal tube is pulled out during operation, the tail part of a hard bronchoscope is connected with an operation under oxygen supply of a jet ventilator, after oxygen saturation is seriously reduced, the hard bronchoscope is withdrawn, oxygen supply of the trachea intubation is carried out again, the tracheal tube is pulled out after oxygenation is sufficient, the tail part of the hard bronchoscope is connected with the operation under oxygen supply of the jet ventilator, the operation is complicated, repeated intubation is accompanied with glottic friction injury, postoperative throat pain and hoarseness occur, after the operation is finished, the trachea intubation needs to be carried out again, and the trachea intubation is pulled out after a patient with muscle relaxant metabolism wakes up, so that the waiting time is long; 4. the general anesthesia inhalation mode is characterized in that a mask is buckled on the mouth and nose part of a patient to inhale high-concentration gas anesthetic, when the anesthesia depth of the patient is enough, the mask is separated, the tail part of a hard bronchoscope is connected with a jet respirator to perform an operation under oxygen supply, the inhalation anesthetic cannot inhibit respiration, the oxygen saturation in the operation is reduced little, however, only one jet respirator is provided in a hospital, the inhalation anesthesia cannot be continuously maintained when the jet respirator performs jet respiration, the inhalation general anesthesia can be maintained for a very short time (only 2-3 min), if the operation time is long, a patient can move after waking up, medical staff needs to brake the patient in a anesthesia mode during the operation, so that the requirement on an operating doctor is extremely high, the operation needs to be performed quickly and accurately, the taking-out operation is completed very skillfully, and otherwise, the patient can fall into a very passive situation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a high-frequency jet oxygen supply loop based on an anesthesia machine and a using method thereof, aiming at solving the problems of ensuring no physical movement and normal spontaneous respiration of a child patient in an operation and quickly waking up after the operation.
The invention provides a high-frequency jet oxygen supply loop based on an anesthesia machine and a using method thereof, wherein the high-frequency jet oxygen supply loop comprises an oronasal sealing cover which is fixedly sealed at the periphery of the oronasal of a patient and a ventilation connecting pipe which is used for connecting a breathing loop and a breathing port of the anesthesia machine; the mouth-nose sealing cover is provided with a mirror operation opening used for placing the hard bronchoscope and an air outlet used for being communicated with the ventilation connecting pipe, and a second sealing part used for ensuring the placing tightness of the hard bronchoscope is arranged in the mirror operation opening; one end of the ventilation connecting pipe is communicated with an air outlet pipe and an oxygen supply pipe, the air outlet pipe is connected with an air outlet of the oronasal sealing cover, the oxygen supply pipe is used for being matched and connected with an oxygen supply port of the hard bronchoscope, and the other end of the ventilation connecting pipe is used for being matched and connected with a breathing loop of an anesthesia machine; an air inlet one-way valve is arranged in the oxygen supply pipe, and an air outlet one-way valve is arranged in the air outlet pipe or the air outlet; the ventilation connecting pipe is directly connected to the anesthesia machine and directly communicated with the breathing loop, so that the infant patient can be continuously paralyzed, and the autonomous respiration of the infant patient is not influenced.
In some embodiments, the invention further comprises a transparent elastic sealing cap for sealing and sleeving the hard bronchoscope operation port, wherein the sealing cap is provided with a forceps operation port for inserting the foreign body extraction forceps, and a first sealing part for ensuring the insertion tightness of the foreign body extraction forceps is arranged in the forceps operation port; ensures that the foreign matter taking-out pliers have good sealing property when putting articles
In some embodiments, the first sealing part is flat as a whole, the first sealing part comprises a plurality of first elastic valves, the tail ends of the first elastic valves are fixedly connected with the inner wall of the forceps operation opening, and the second sealing part and the first sealing part have the same structure; the first elastic valve can be tightly attached to the hard bronchoscope or the foreign matter taking-out forceps by utilizing the elasticity of the first elastic valve after being extruded by the hard bronchoscope or the foreign matter taking-out forceps, so that the sealing performance of the hard bronchoscope or the oronasal sealing cover in use is ensured.
In some embodiments, the first sealing part is overall conical, the first sealing part comprises a plurality of second elastic valves, the tail ends of the second elastic valves are fixedly connected with the inner wall of the forceps operation opening, and the second sealing part and the first sealing part have the same structure; the second elastic valve can be tightly attached to the hard bronchoscope or the foreign matter taking-out forceps by utilizing the elasticity of the second elastic valve after being extruded by the hard bronchoscope or the foreign matter taking-out forceps, so that the sealing performance of the hard bronchoscope or the oronasal sealing cover in use is ensured.
In some embodiments, two anesthesia breathing tubes are communicated with the ventilation connecting tube and are used for being matched and connected with an inhalation port and an exhalation port of an anesthesia machine; the two anesthetic breathing tubes, the air outlet tube and the oxygen supply tube are communicated with each other through the ventilation connecting tube; the two anesthetic breathing tubes can be freely inserted into the exhalation port or the inhalation port without selecting the insertion position.
In some embodiments, the oronasal sealing mask is provided with a fixing strap for fixing the oronasal sealing mask on the periphery of the oronose of the patient; is convenient for fixing the mouth-nose sealing cover on the head of the infant
In some embodiments, the present invention further comprises a tongue-depressing mouth-gag, which comprises an upper tooth support, a lower pressing support, an elastic support and a tongue-blocking piece, wherein the elastic support is used for spreading the upper tooth support and the lower tooth support, the upper tooth support and the lower tooth support are vertically spaced apart, the elastic support is located between the upper tooth support and the lower tooth support, the upper tooth support and the lower tooth support are both fixedly connected with the elastic support, and the tongue-blocking piece is detachably connected to the lower tooth support; the upper tooth support body and the lower tooth support body are respectively and tightly supported on the upper dentition crown surface and the lower dentition crown surface by the elastic support body, and the tongue body of the child can be blocked by the blocking tongue piece.
In some embodiments, the tail end of the bottom of the tongue blocking piece is provided with at least two fixed insertion rods, and the tail end of the downward pressing support body is provided with a fixed socket in inserted fit with the fixed insertion rods; the tongue piece can be dismantled fast, and the degree of depth that can also suitably adjust the tongue piece and stretch into the oral cavity of keeping off the actual conditions in oral cavity.
In some embodiments, the fixed inserted bar is horizontally arranged, the axial direction of the fixed inserted bar is perpendicular to the length direction of the tongue piece, and the cross section of the fixed inserted bar is in a regular polygon shape; therefore, the fixing angle of the baffle tongue piece can be properly adjusted, and the flexibility is improved.
The use method of the high-frequency jet oxygen supply loop based on the anesthesia machine comprises the following steps:
s1: opening the anesthesia machine, and connecting the ventilation connecting pipe to the anesthesia machine;
s2: firstly, fixing the oronasal sealing cover on the oronasal outer ring of the infant patient by a fixing bridle;
s3: the anesthetic gas volatilization tank of the anesthesia machine is opened, and the infant can rapidly enter an inhalation anesthesia state after inhaling the anesthetic gas;
s4: opening the mouth-nose sealing cover, placing the tongue-pressing mouth gag into the oral cavity of the infant to enable the oral cavity of the infant to be in a completely opened state, then fixing the mouth-nose sealing cover on the outer ring of the mouth and the nose of the infant again, connecting an oxygen supply pipe of the ventilation connecting pipe to an oxygen supply port of the hard bronchoscope, penetrating the hard bronchoscope through a scope operation port of the mouth-nose sealing cover, and placing the hard bronchoscope into an air passage of the infant until a foreign body is found;
s5: adjusting the anesthetic breathing frequency to the maximum, and setting the tidal volume to be 3-5ml/kg;
s6: the foreign body taking-out forceps pass through the forceps operation opening so that the foreign body taking-out forceps can enter the hard bronchoscope, and a doctor performs a foreign body taking-out operation;
s7: after the foreign matter is taken out, the volatilization tank of the anesthesia machine is closed, and oxygen supply is continued to the infant patient; and (5) when the infant patient wakes up, disconnecting the oronasal sealing cover and ending anesthesia.
The invention has the beneficial effects that:
firstly, the high-frequency jet oxygen supply loop based on the anesthesia machine and the use method thereof do not affect the autonomous respiration of the infant, avoid oxygen rich in anesthetic gas from being discharged in an operating room to pollute the operating environment, avoid the inhalation of the anesthetic gas by an operator, an anesthesiologist and a nurse, avoid the waste of the anesthetic gas, and simultaneously enable the infant to be continuously anesthetized by inhalation, and avoid the body movement of the infant.
Secondly, the high-frequency jet oxygen supply loop based on the anesthesia machine and the use method thereof adopt the first sealing part and the second sealing part to ensure the sealing performance of the whole oxygen supply loop during the operation.
Thirdly, the high-frequency jet oxygen supply loop based on the anesthesia machine and the use method thereof are provided with the tongue pressing mouth gag, the mouth of the infant patient is opened to the maximum by utilizing the tongue pressing mouth gag, and the condition that the sight is shielded by the tongue body is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a high-frequency injection oxygen supply loop based on an anesthesia machine and a use method thereof according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a rigid bronchoscope;
FIG. 3 is a schematic cross-sectional view of a rigid bronchoscope;
FIG. 4 is a schematic view of the structure of the oronasal sealing mask;
FIG. 5 is a schematic view of the structure of a tongue-depressing mouth gag;
FIG. 6 is a partially broken away schematic view of a tongue-depressing mouth gag;
fig. 7 is a schematic structural diagram of a high-frequency jet oxygen supply loop based on an anesthesia machine and a use method thereof according to a second embodiment of the invention.
Reference numerals: 1. an oronasal sealing mask; 11. a mirror operation port; 12. an air outlet; 2. a ventilation connecting pipe; 21. an air outlet pipe; 22. an oxygen supply tube; 23. an anesthetic breathing tube; 3. a rigid bronchoscope; 31. an oxygen supply port; 4. a second seal portion; 5. a transparent elastic sealing cap; 51. a forceps operation opening; 6. a first seal portion; 61. a first resilient flap; 62. a second elastic flap; 7. a tongue depressor mouth gag; 71. an upper dental support; 72. pressing the support body downwards; 721. a fixed socket; 73. an elastic support body; 74. a tongue stopper; 741. and fixing the inserted rod.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the present embodiment, as shown in fig. 1 to fig. 7, a high-frequency jet oxygen supply circuit based on an anesthesia machine and a method for using the same, comprises an oronasal sealing cover 1 for fixedly sealing the periphery of the oronasal of a patient and a ventilation connecting pipe 2 for connecting a breathing circuit and a breathing port of the anesthesia machine; in order to conveniently fix the oronasal sealing cover 1 on the head of a child patient, a fixing bridle is arranged on the oronasal sealing cover 1, a mirror operation opening 11 for placing the hard bronchoscope 3 and an air outlet 12 communicated with the ventilation connecting pipe 2 are arranged on the oronasal sealing cover 1, and a second sealing part 4 for ensuring the sealing performance of the hard bronchoscope 3 is arranged in the mirror operation opening 11; one end of the ventilation connecting pipe 2 is communicated with an air outlet pipe 21 and an oxygen supply pipe 22, the air outlet pipe 21 is connected with the air outlet 12 of the mouth-nose sealing cover 1, the oxygen supply pipe 22 is used for being connected with an oxygen supply port 31 of the hard bronchoscope 3 in a matching way, and the other end of the ventilation connecting pipe 2 is used for being connected with a breathing loop of the anesthesia machine in a matching way; be equipped with the check valve of admitting air in the oxygen supply pipe 22, be equipped with the check valve of giving vent to anger in outlet duct 21 or the gas outlet 12, the setting of the check valve of admitting air and the check valve of giving vent to anger can make oxygen only can enter into oxygen supply pipe 22 in, lets the gas of exhaling only can enter into outlet duct 21 or gas outlet 12 in, the oxygen of entering and the mutual noninterference of gas of exhaling. Anesthesia machine is direct through rather than the expiratory pipeline of the anesthesia screwed pipe of being connected, rethread connecting pipe of ventilating 2 can be with the oxygen that is rich in anesthetic gas continuously let in oxygen supply pipe 22, then enter into stereoplasm bronchoscope 3 in and let in the infant, the expired gas of infant can be through the outlet duct 21 of connecting pipe of ventilating 2, the inspiratory pipeline of rethread anesthesia screwed pipe returns in the anesthesia machine, do not influence infant's autonomic breathing, also avoid being rich in anesthetic gas's oxygen to discharge at the operating room, pollute the operating environment, avoid the nurse to take turns to anesthetic, anesthetic doctor and nurse inhale anesthetic gas, also avoid anesthetic gas extravagant, also make the infant can be sustained and rely on inhalation anesthesia entirely simultaneously, avoid the infant to move.
As the foreign matter extracting forceps need to enter the hard bronchoscope 3 for operation, the breathing circuit cannot be affected when the foreign matter extracting forceps enter the hard bronchoscope 3 and need to have good sealing performance, the invention is further provided with the transparent elastic sealing cap 5 which is used for being sleeved on the operation port of the hard bronchoscope 3 in a sealing mode, the transparent elastic sealing cap 5 is provided with a forceps operation port 51 used for inserting the foreign matter extracting forceps, and a first sealing portion 6 used for guaranteeing the inserting sealing performance of the foreign matter extracting forceps is arranged in the forceps operation port 51.
The first sealing part 6 and the second sealing part 4 are important components for ensuring the sealing performance of the whole oxygen supply loop, and two embodiments are adopted for the first sealing part 6 and the second sealing part 4:
first, first sealing 6 is whole to be the platykurtic, first sealing 6 includes the first elasticity flap 61 of a plurality of, the tail end of first elasticity flap 61 and the inner wall fixed connection of pincers operation mouth 51, second sealing 4 is the same with first sealing 63's structure, no matter be hard bronchoscope 3 or the foreign matter take out the pincers to support and press first elasticity flap 61 on, first elasticity flap 61 can utilize self elasticity tightly attached on hard bronchoscope 3 or the foreign matter takes out the pincers, avoid producing the gap, this mode occupation space is less.
Secondly, first sealing 6 is whole to be the taper, and first sealing 6 includes a plurality of second elasticity flap 62, and the tail end of second elasticity flap 62 and the inner wall fixed connection of pincers operation mouth 51, second sealing 4 are the same with first sealing 6's structure, and the difference with the first kind lies in second elasticity flap 62 and inclines to set up, and attached like this can increase by the area on stereoplasm bronchoscope 3 or the foreign matter takes out the pincers, and sealed effect is better promptly.
When the whole oxygen supply loop is installed, corresponding pipelines need to be installed according to the positions of the exhalation port and the inhalation port of the anesthesia machine, so that the operation has certain limitation, and the two anesthesia breathing tubes 23 which are used for being connected with the exhalation port and the inhalation port of the anesthesia machine in a matching manner are communicated and arranged on the ventilation connecting tube 2; the two anesthetic breathing tubes 23, the air outlet tube 21 and the oxygen supply tube 22 are communicated with each other through the ventilation connecting tube 2, so that the two anesthetic breathing tubes 23 can be connected to the exhalation port or the inhalation port of the anesthesia machine at will without selecting the insertion position. The inhaled or exhaled gas can automatically select a circulation pipeline after being mutually communicated through the ventilation connecting pipe 2, unidirectional circulation is realized under the air outlet pipe 21 and the oxygen supply pipe 22, directional connection of the two anesthesia breathing pipes 23 and the connection of the exhalation port or the inhalation port of the anesthesia machine is avoided, and serious consequences caused by connection errors are avoided.
The hard bronchoscope 31 is inserted into the airway through the oral cavity of the patient, the tongue body in the oral cavity is the biggest factor obstructing the view of the object to be observed, therefore, the tongue pressing mouth gag 7 is also arranged, the tongue pressing mouth gag 7 comprises an upper tooth support body 71, a lower pressing support body 72, an elastic support body 73 and a tongue blocking sheet 74, the elastic support body 73 is used for supporting the upper tooth support body 71 and the lower tooth support body, the upper tooth support body 71 and the lower tooth support body are distributed at intervals up and down, the upper tooth support body 71 is pressed against the tooth crown surface of the upper dentition, the lower tooth support body is pressed against the tooth crown surface of the lower dentition, the elastic support body 73 is positioned between the upper tooth support body 71 and the lower dentition support body, and the upper tooth support body 71 and the lower dentition support body are fixedly connected with the elastic support body 73, the upper tooth support body 71 and the lower dentition support body are supported by the elastic support body 73, the upper tooth support body 71 can be tightly attached to the tooth crown surface of an upper tooth row and the lower pressing support body 72 can be tightly attached to the tooth crown surface of a lower tooth row, the tongue blocking piece 74 is detachably connected to the lower tooth support body, the lengths of the tongue bodies of different people are different, at least two fixed insertion rods 741 are arranged at the tail end of the bottom of the tongue blocking piece 74, a fixed socket 721 in insertion fit with the fixed insertion rods 741 is arranged at the tail end of the lower pressing support body 72, the whole tongue blocking piece 74 can be detached by the insertion fit of the fixed insertion rods 741 and the fixed socket 721, the depth of the tongue blocking piece 74 extending into the oral cavity can be changed by changing the fixed insertion rods 741 in insertion fit with the fixed socket 721, namely, the tongue blocking piece 74 can block the tongue body at a proper position no matter whether the tongue body is long or short, and the use comfort level is improved.
Furthermore, the fixed insertion rod 741 is horizontally arranged, the axial direction of the fixed insertion rod 741 is perpendicular to the length direction of the tongue blocking piece 74, and the cross section of the fixed insertion rod 741 is a regular polygon, so that the tongue blocking piece 74 can properly adjust the fixed angle, the flexibility is improved, and the use comfort is further improved.
Preferably, the number of the elastic supports 73 may be one or two, and the shape may be circular ring shape, which is most effective.
The use method of the invention comprises the following steps:
s1: opening the anesthesia machine, and connecting the ventilation connecting pipe 2 to the anesthesia machine;
s2: firstly, fixing the oronasal sealing cover 1 on the oronasal outer ring of the infant patient by a fixing bridle;
s3: the anesthetic gas volatilization tank of the anesthesia machine is opened, and the infant can quickly enter an inhalation anesthesia state after inhaling the anesthetic gas;
s4: opening the oronasal sealing cover 1, placing the tongue-pressing mouth gag 7 into the oral cavity of the infant to enable the oral cavity of the infant to be in a completely opened state, then fixing the oronasal sealing cover 1 on the outer ring of the oronasal of the infant again, connecting the oxygen supply pipe 22 of the ventilation connecting pipe 2 to the oxygen supply port 31 of the hard bronchoscope 3, penetrating the hard bronchoscope 3 through the scope operation port 11 of the oronasal sealing cover 1, and placing the hard bronchoscope 3 into the airway of the infant until a foreign body is found;
s5: adjusting the anesthetic breathing frequency to the maximum, and setting the tidal volume to be 3-5ml/kg;
s6: the foreign body taking-out forceps are passed through the forceps operation opening 51 so that the foreign body taking-out forceps can enter the hard bronchoscope 3, and a doctor performs a foreign body taking-out operation;
s7: after the foreign matter is taken out, the volatilization tank of the anesthesia machine is closed, oxygen supply is continued to the infant patient, the infant patient revives, the mouth-nose sealing cover 1 is separated, and the anesthesia is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A high-frequency injection oxygen supply loop based on an anesthesia machine is characterized by comprising an oral-nasal sealing cover (1) which is fixedly sealed at the periphery of the oral nose of a patient and a ventilation connecting pipe (2) which is used for connecting a breathing loop and a breathing port of the anesthesia machine; a mirror operation opening (11) for placing the hard bronchoscope (3) and an air outlet (12) communicated with the ventilation connecting pipe (2) are formed in the mouth-nose sealing cover (1), and a second sealing part (4) for ensuring the sealing performance of the hard bronchoscope (3) is arranged in the mirror operation opening (11); one end of the ventilation connecting pipe (2) is communicated with an air outlet pipe (21) and an oxygen supply pipe (22), the air outlet pipe (21) is connected with an air outlet (12) of the oronasal sealing cover (1), the oxygen supply pipe (22) is used for being matched and connected with an oxygen supply port (31) of the hard bronchoscope (3), and the other end of the ventilation connecting pipe (2) is used for being matched and connected with a breathing loop of an anesthesia machine; an air inlet one-way valve is arranged in the oxygen supply pipe (22), and an air outlet one-way valve is arranged in the air outlet pipe (21) or the air outlet (12).
2. The high-frequency jet oxygen supply loop based on the anesthesia machine of claim 1, characterized in that: still establish transparent elastic seal cap (5) at stereoplasm bronchoscope (3) operation port including being used for the sealed cover, transparent elastic seal cap (5) are seted up and are used for the foreign matter to take out pincers operation mouth (51) of putting into, be equipped with in pincers operation mouth (51) and be used for guaranteeing that the foreign matter takes out pincers and puts into first sealing (6) of leakproofness.
3. The high-frequency jet oxygen supply loop based on the anesthesia machine of claim 2, characterized in that: the whole first sealing part (6) is flat, the first sealing part (6) comprises a plurality of first elastic valves (61), the tail ends of the first elastic valves (61) are fixedly connected with the inner wall of the forceps operation opening (51), and the second sealing part (4) and the first sealing part (6) are identical in structure.
4. The high-frequency jet oxygen supply loop based on the anesthesia machine of claim 2, characterized in that: the whole first sealing part (6) is conical, the first sealing part (6) comprises a plurality of second elastic valves (62), the tail ends of the second elastic valves (62) are fixedly connected with the inner wall of the forceps operation opening (51), and the second sealing part (4) is identical to the first sealing part (6) in structure.
5. The high-frequency jet oxygen supply loop based on the anesthesia machine of claim 1, characterized in that: the ventilation connecting pipe (2) is communicated with two anesthesia breathing pipes (23) which are used for being matched and connected with an inhalation port and an exhalation port of an anesthesia machine; the two anesthetic breathing tubes (23), the air outlet tube (21) and the oxygen supply tube (22) are communicated with each other through the ventilation connecting tube (2).
6. The high-frequency jet oxygen supply loop based on the anesthesia machine of claim 1, characterized in that: the mouth and nose sealing cover (1) is provided with a fixing belt used for fixing the mouth and nose sealing cover (1) at the periphery of the mouth and nose of a patient.
7. The high-frequency injection oxygen supply loop based on the anesthesia machine as claimed in claim 1, wherein: still include tongue pressing mouth gag (7), tongue pressing mouth gag (7) include upper teeth supporter (71), push down supporter (72), elastic support body (73) and keep off tongue piece (74), elastic support body (73) are used for strutting upper teeth supporter (71) and lower teeth supporter, upper teeth supporter (71) and lower teeth supporter are interval distribution from top to bottom, elastic support body (73) are located upper teeth supporter (71) and between the lower teeth supporter, and upper teeth supporter (71) and lower teeth supporter all with elastic support body (73) fixed connection, it connects on lower teeth supporter to keep off tongue piece (74) detachable.
8. The high frequency jet oxygen supply loop based on anesthesia machine of claim 7, characterized in that: the tail end of the bottom of the tongue piece (74) is provided with at least two fixed insertion rods (741), and the tail end of the downward pressing support body (72) is provided with a fixed socket (721) which is in insertion fit with the fixed insertion rods (741).
9. The high frequency jet oxygen supply loop based on anesthesia machine of claim 8, characterized in that: the fixed insertion rod (741) is horizontally arranged, the axial direction of the fixed insertion rod (741) is perpendicular to the length direction of the tongue blocking piece (74), and the cross section of the fixed insertion rod (741) is in a regular polygon shape.
10. The use method of the high-frequency injection oxygen supply loop based on the anesthesia machine as claimed in claims 1-9, which comprises the steps of:
s1: opening the anesthesia machine, and connecting the ventilation connecting pipe (2) to the anesthesia machine;
s2: firstly, fixing an oronasal sealing cover (1) on the oronasal outer ring of a child patient by a fixing bridle;
s3: the anesthetic gas volatilization tank of the anesthesia machine is opened, and the infant can rapidly enter an inhalation anesthesia state after inhaling the anesthetic gas;
s4: opening the oronasal sealing cover (1), placing the tongue-pressing mouth gag (7) into the oral cavity of the infant, enabling the oral cavity of the infant to be in a completely opened state, then fixing the oronasal sealing cover (1) on the outer ring of the oronasal of the infant again, connecting an oxygen supply pipe (22) of the ventilation connecting pipe (2) to an oxygen supply port (31) of the hard bronchoscope (3), penetrating the hard bronchoscope (3) through a scope operation port (11) of the oronasal sealing cover (1), and placing the hard bronchoscope (3) into the airway of the infant until a foreign body is found;
s5: adjusting the anesthetic breathing frequency to the maximum, and setting the tidal volume to be 3-5ml/kg;
s6: the foreign matter taking-out forceps are passed through the forceps operation opening (51) so that the foreign matter taking-out forceps can enter the hard bronchoscope (3), and a doctor performs a foreign matter taking-out operation;
s7: after the foreign matter is taken out, the volatilization tank of the anesthesia machine is closed, and oxygen supply is continued to the infant patient; when the infant awakens, the mouth and nose sealing cover (1) is separated, and the anesthesia is finished.
CN202210751192.4A 2022-06-28 2022-06-28 High-frequency jet oxygen supply loop based on anesthesia machine and use method thereof Pending CN115137933A (en)

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Publication number Priority date Publication date Assignee Title
CN115957414A (en) * 2023-03-15 2023-04-14 四川省医学科学院·四川省人民医院 Bronchoscope protective mask
CN115957414B (en) * 2023-03-15 2023-06-09 四川省医学科学院·四川省人民医院 Protective mask for bronchoscope

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