CN115300741A - Nasopharynx air duct - Google Patents

Nasopharynx air duct Download PDF

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Publication number
CN115300741A
CN115300741A CN202210967011.1A CN202210967011A CN115300741A CN 115300741 A CN115300741 A CN 115300741A CN 202210967011 A CN202210967011 A CN 202210967011A CN 115300741 A CN115300741 A CN 115300741A
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CN
China
Prior art keywords
air
air bag
gasbag
spiral
film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210967011.1A
Other languages
Chinese (zh)
Inventor
莫云长
秦佳翥
谢雯靖
叶长洲
黄栩亮
赵心语
童谣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Affiliated Hospital of Wenzhou Medical University
Original Assignee
First Affiliated Hospital of Wenzhou Medical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by First Affiliated Hospital of Wenzhou Medical University filed Critical First Affiliated Hospital of Wenzhou Medical University
Priority to CN202210967011.1A priority Critical patent/CN115300741A/en
Publication of CN115300741A publication Critical patent/CN115300741A/en
Pending legal-status Critical Current

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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
    • A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
    • A61M16/0497—Tube stabilizer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/083—Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
    • A61B5/0836—Measuring rate of CO2 production
    • 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
    • A61M16/0461—Nasoendotracheal tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0618—Nose

Abstract

A nasopharyngeal airway comprises an air bag and CO 2 Sampling pipe, joint and air cock, the joint can realize that gas flows with external equipment pipe connection, and the air cock adopts the silica gel material to be equipped with certain physiology curvature and matches with the human body, CO 2 The sampling pipe has certain intensity and elasticity and can place the air cock into pharyngeal portion through the nasal cavity under the state that the gasbag is not aerifyd, and the gasbag has certain support nature under the inflation condition and makes a plurality of gasbags aerify and can form the pipeline that can ventilate.

Description

Nasopharynx air duct
Technical Field
The invention belongs to the field of medical equipment, and particularly relates to a nasopharynx air duct.
Background
With the development of medical technology, the operation is more and more minimally invasive, the anesthesia technology is changed, such as painless gastroscope, bronchoscope, induced abortion and the like in outpatient service, and non-intubated anesthesia is gradually started. The nasopharyngeal airway is a simple and convenient extra-glottis airway device, which is used for relieving upper respiratory tract obstruction and keeping the airway smooth. The method is mainly applied to airway management under the condition of no intubation clinically; preventing and treating upper respiratory obstruction under various anesthesia modes; the composition is applied to patients with obesity and respiratory attenuation during general anesthesia induction period of tracheal intubation; is applied to some patients with respiratory depression and respiratory depression after the tracheal catheter is pulled out. However, the existing nasopharyngeal airways have some disadvantages: 1, because of air leakage, the nasopharyngeal airway can not accurately measure the carbon dioxide at the end of the breath of the patient, thereby increasing uncertainty for monitoring the breath and greatly weakening the safety of auxiliary ventilation; 2. the nasopharynx air duct has air leakage, and can not be immediately subjected to mechanical ventilation in emergency. Therefore, the key to improve the safety of patients is to improve the monitoring device of the end-expiratory carbon dioxide and simplify the procedure of changing into the tracheal intubation in emergency when using the nasopharyngeal airway.
At present, nasopharynx air vent commonly used in clinic is different according to models, and has different inner diameters and lengths, the larger the general inner diameter is, the better the ventilation effect is, but the insertion difficulty and the damage degree to the nasal cavity are larger, iatrogenic damage is easily caused, nasal mucosa edema is easily caused due to the extrusion effect in the tube placing process, when the tube is pulled out, the edematous nasal mucosa is extruded and rubbed again, nasal mucosa bleeding is easily caused, severe patients aggravate nasal cavity soft tissue edema, the nasal cavity ventilation is influenced, for patients suffering from nasal septum deflection, the traditional nasopharynx air vent can also directly cause extra and serious nasal cavity damage in the inserting process, in addition, when ventilation is carried out, one end of the air vent is easily blocked by liquid and impurities in the nasal cavity, and therefore, the ventilation effect is influenced, and in view of the above, an inflatable nasopharynx air vent is provided by CN 982094742U, but the patent is more complex in structure, higher in cost, and simpler in function.
Disclosure of Invention
In view of the prior art, the invention aims to provide a nasopharynx aeration pipeline.
The technical scheme of the invention is realized as follows: a nasopharyngeal airway comprises an air bag and CO 2 Sampling pipe, joint, air tap and jointCan be connected with external equipment pipeline to realize gas flow, and the air tap is made of silica gel material and has certain physiological curvature matched with human body, CO 2 The sampling pipe has certain intensity and elasticity and can place the air cock into pharyngeal portion through the nasal cavity under the state that the gasbag is not inflated, and the gasbag has certain support nature under the condition of inflating and makes a plurality of gasbags aerify and can form the pipeline that can ventilate.
The beneficial effect of the design is to increase the end-call CO 2 The detection device can directly monitor the end CO of the sound door 2 Partial pressure; compared with the common nasopharyngeal airway, the novel nasopharyngeal airway increases the safety of the patient, accurately monitors the partial pressure of carbon dioxide at the end of expiration of the patient, can be connected to a breathing machine to be converted into a tracheal cannula for mechanical ventilation, can be used as an effective first aid tool if meeting a difficult airway, and is simple to operate; the air bag can reduce the damage to the nasal cavity, namely the air in the air bag is extracted before insertion to reduce the volume of the pipeline, the air bag is inflated and fixed after being inserted into the nasal cavity, and the air bag is inflated with air with different pressures according to specific conditions such as anesthesia state, waking state and obstruction state, so that the support performance and the comfort are ensured, and the size of the vent pipe can be adjusted through the size of the air bag.
Further, the gasbag includes fan-shaped gasbag of low pressure and high pressure spiral gasbag, fan-shaped gasbag of interior gasbag and outer gasbag are become to the cross-section, interior gasbag arc surface is in the outside at the inboard closed angle of pipeline, outer gasbag arc surface is in pipeline outside closed angle inwards with interior gasbag interval distribution formation complementary tubulose gasbag of constituteing, spiral gasbag becomes the coil spring shape and is located the tubulose gasbag inboard and has certain supporting role to the tubulose gasbag, high pressure gasbag can increase the holding power according to actual need and ensure the unobstructed of air vent pipe.
Further, the spiral supporting channel and the spiral air bag are arranged at intervals in the tubular air bag, the spiral supporting channel is hollow, the spiral rod can be inserted in the spiral supporting channel in a rotating mode to support the tubular air bag, and the supporting force can be increased through the spiral rod under the condition that the supporting force of the air bag is insufficient, so that the performance of the tubular air bag can be greatly improved.
Further, CO 2 The sampling pipe surface is equipped with the scale, can know the inserted degree of depth like this, can adjust as required.
Furthermore, the middle area of the air tap is provided with a spherical air bag, so that the positioning is convenient.
Furthermore, the air faucet head is provided with a video probe, so that the internal condition can be observed conveniently.
Furthermore, the rear part of the air tap is provided with a telescopic structure, so that the length of the air tap can be conveniently adjusted to adapt to different people.
Furthermore, a plurality of independent spiral air bags are arranged in the tubular air bag, the spiral air bags are made of high-strength rubber materials and reinforced by net wires to reduce deformation, and therefore the number of the used air bags can be increased or reduced according to needs.
A nasopharyngeal airway manufacturing method, including the following steps, use silica gel to make the air cock body, including having certain oral area, inflatable gasbag and telescopic bellows which support the intensity, the air cock is equipped with the retaining ring or locating pin to fix data line and sampling tube inside; mesh cloth and rubber are adopted to manufacture a spiral tubular air bag, and the spiral tubular air bag is fixed with a spiral supporting channel made of thin film plastic and is fixed on the inner wall of a plastic thin film tube; the method comprises the following steps that an inner circular tube film and an outer circular tube film which are the same in length are respectively adhered to the outer wall of a cylinder and the inner wall of a cylinder, the cylinder and the cylinder are connected together in a sleeved mode to enable two ends of the inner circular tube film and two ends of the outer circular tube film to be aligned, a separation film is placed between the cylinder and the cylinder through a support, one end of the separation film is fixed through a fixing support, a fusion position is fixed through a positioning support, a heating fusion device is placed in the separation film and fuses the separation film to the inner circular tube film and the outer circular tube film respectively, after the two films are completely fused, one end of each film is sealed, and an air nozzle is arranged at one end of each film, so that the fan-shaped air bag is completed; fix fan-shaped gasbag to the plastic film pipe on, wholly fix to the air cock again to will connect fixed to the gasbag on, will sample pipe and data line fixed to the structure inside can. The manufacturing can reduce the production cost and is convenient for popularization and use in a large scale.
A method for using the nasopharynx air vent pipeline comprises the steps of placing an air nozzle into a nasal cavity through a sampling pipe, checking the position through a camera, inflating and positioning a spherical air bag after the air nozzle reaches a specified position, inflating and ventilating a fan-shaped air bag, finally inflating a spiral air bag, detecting the air flow, and inserting a spiral rod into the air vent pipeline in a rotatable mode if the air nozzle is slightly small to increase the support. This allows for optimum results.
Drawings
FIG. 1 is a schematic overall front view of a nasopharyngeal airway in accordance with the present invention;
FIG. 2 is a perspective view of a nasopharyngeal airway in accordance with the present invention;
FIG. 3 is a schematic cross-sectional view of a nasopharyngeal airway in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view of a nasopharyngeal airway in accordance with the present invention;
FIG. 5 is a schematic view of a nasopharyngeal airway screw according to the present invention.
Detailed Description
As required, detailed embodiments of the present invention are disclosed herein, but it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale and certain features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
As shown in figure 1, figure 2, figure 3 and figure 5, a nasopharyngeal airway tube comprises a balloon and CO 2 Sampling pipe 4, joint 3 and air cock 2, joint 3 can realize that gas flows with external equipment pipe connection, and air cock 2 adopts the silica gel material to be equipped with certain physiology curvature and matches with the human body, and CO 2 The sampling tube 4 has certain intensity and elasticity and can place the air cock 2 into the pharynx through the nasal cavity under the state that the air bag is not inflated, and the air bag has certain support under the inflation condition so that a plurality of air bags are inflated to form a pipeline capable of ventilating. The gasbag includes fan-shaped gasbag 1 of low pressure and spiral gasbag 5, and fan-shaped gasbag 1 of low pressure includes that the cross-section becomes fan-shaped interior gasbag 6 and outer gasbag 7, and 6 arc surfaces of interior gasbag are in the outside at the inboard closed angle of pipeline, and outer gasbag 7 arc surfaces are in pipeline outside closed angle inwards and form complementary with interior 6 interval distribution of gasbagThe tubular air bag 10 is formed, the spiral air bag 5 is in a spiral spring shape and is positioned on the inner side of the tubular air bag 10 to support the tubular air bag 10 to a certain extent, spiral supporting channels are arranged in the tubular air bag 10 and are arranged at intervals with the spiral air bag 5, and the spiral supporting channels are hollow and can be rotatably inserted into the spiral rods 8 to support the tubular air bag 10. CO 2 2 The outer surface of the sampling tube 4 is provided with a graduated scale which can be pasted or etched by laser. The middle area of the air tap 2 is provided with a spherical air bag 9 which is provided with an inflation pipeline and an inflation ball bag to inflate the air bag. The head of the air nozzle 2 is provided with a video probe which is connected with a display, and the probe is provided with a data line 21, a data line 21 and CO 2 The sampling pipes 4 are distributed on two sides of the ventilation pipeline and can pass through the data line 21 and the CO 2 The sampling tube 4 is controlled to adjust the angle and position of the air nozzle 2 entering the nasal cavity. The rear part of the air tap 2 is provided with a telescopic structure, and the bellows can be made of elastic silica gel to realize elastic expansion. A plurality of independent spiral air bags 5 are arranged inside the tubular air bag 10, and the spiral air bags 5 are made of high-strength rubber materials and reinforced by net wires to reduce deformation.
As shown in figure 4, a method for manufacturing a nasopharyngeal airway comprises the following steps that a main body of an air faucet 2 is made of silica gel, the main body comprises a mouth part 13 with certain supporting strength, an inflatable spherical air bag 9 and a telescopic corrugated pipe 11, and a positioning ring or a positioning nail is arranged in the air faucet 2 and can fix a data line and a sampling pipe 4; the spiral tubular air bag 10 is made of mesh cloth and rubber, fixed with a spiral supporting channel made of thin film plastic and fixed on the inner wall of a plastic thin film tube; an inner circular tube film 14 and an outer circular tube film 15 which are the same in length are respectively adhered to the outer wall of a cylinder 16 and the inner wall of a cylinder 17, the cylinder 16 and the cylinder 17 are sleeved together to enable two ends of the inner circular tube film 14 and the outer circular tube film 15 to be aligned, a separation film 12 is placed between the cylinder 16 and the cylinder 17 through a support, one end of the separation film 12 is fixed through a fixing support 18, a fusion position is fixed through a positioning support 19, a heating fusion device 20 is placed in the fusion device and respectively fuses the separation film 12 to the inner circular tube film 14 and the outer circular tube film 15, one end of the film is sealed after being completely fused, and an air nozzle 2 is arranged at one end of the film, so that the fan-shaped air bag 1 is completed; fix fan-shaped gasbag 1 to the plastic film pipe on, wholly fix to air cock 2 again to will connect 3 to fix to the gasbag on, will sample pipe 4 and data line 21 fixed to the structure inside can.
As shown in figures 1, 2, 3 and 5, the nasopharynx air duct using method comprises the steps of placing an air nozzle 2 into a nasal cavity through a sampling tube, checking the position through a camera, inflating and positioning a spherical air bag 9 after reaching a specified position, inflating and ventilating a fan-shaped air bag 1, finally inflating a spiral air bag 5, detecting the air flow, and rotatably inserting a spiral rod 8 to increase support if the air flow is smaller.

Claims (10)

1. A nasopharyngeal airway tube, comprising: comprises an air bag and CO 2 Sampling pipe (4), joint (3) and gas nozzle (2), it realizes that gas flows to connect (3) and can realize with external equipment pipe connection, gas nozzle (2) adopt the silica gel material to be equipped with certain physiology curvature and human matching, CO 2 The sampling tube (4) has certain strength and elasticity, and the air nozzle (2) can be placed into the pharynx through the nasal cavity in the non-inflated state of the air bag, and the air bag has certain support property under the inflated condition, so that the plurality of air bags are inflated to form an air-permeable pipeline.
2. The nasopharyngeal airway tube of claim 1, wherein: the gasbag includes fan-shaped gasbag (1) of low pressure and spiral gasbag (5), fan-shaped gasbag (1) of low pressure includes that the cross-section becomes fan-shaped interior gasbag (6) and cross-section become fan-shaped outer gasbag (7), interior gasbag (6) arc surface is in the outside at the inboard closed angle of pipeline, outer gasbag (7) arc surface is in pipeline outside closed angle inwards with interior gasbag (6) interval distribution formation complementary tubulose gasbag (10) of constituteing, spiral gasbag (5) become the coil spring shape and are located tubulose gasbag (10) inboard geminate transistors form gasbag (10) and have certain supporting role.
3. The nasopharyngeal airway tube of claim 2, wherein: spiral supporting channels are arranged in the tubular air bag (10) at intervals with the spiral air bag (5), and the spiral supporting channels are hollow and can be inserted into a spiral rod (8) in a rotating mode to support the tubular air bag (10).
4.The nasopharyngeal airway tube of claim 3, wherein: the CO is 2 The outer surface of the sampling pipe (4) is provided with a graduated scale.
5. The nasopharyngeal airway tube of claim 4, wherein: the middle area of the air tap (2) is provided with a spherical air bag (9).
6. The nasopharyngeal airway tube of claim 5, wherein: the head of the air tap (2) is provided with a video probe, the probe is connected with a display, the probe is provided with a data line (21), and the data line (21) and CO are connected 2 The sampling pipes (4) are distributed on two sides of the ventilation pipeline and can pass through the data line (21) and the CO 2 The sampling pipe (4) is controlled to adjust the angle and the position of the air nozzle (2) entering the nasal cavity.
7. The nasopharyngeal airway tube of claim 5, wherein: the rear part of the air faucet (2) is provided with a telescopic structure.
8. The nasopharyngeal airway tube of claim 7, wherein: the tubular air bag (10) is internally provided with a plurality of independent spiral air bags (5), and the spiral air bags (5) are made of high-strength rubber materials and reinforced by net wires to reduce deformation.
9. A method for manufacturing a nasopharynx air duct comprises the following steps that silica gel is used for manufacturing an air nozzle (2) main body which comprises an opening part with certain supporting strength, an inflatable air bag and a telescopic corrugated pipe (11), a positioning ring or a positioning nail is arranged inside the air nozzle (2) and can fix a data line (21) and CO 2 A sampling tube (4); a spiral tubular air bag (10) is made of mesh cloth and rubber, and is fixed with a spiral supporting channel made of plastic film and fixed on the inner wall of the plastic film pipe; the inner circular tube film (14) and the outer circular tube film (15) with the same length are respectively adhered to the outer wall of the cylinder (16) and the inner wall of the cylinder (17), the cylinder (16) and the cylinder (17) are sleeved together to enable the two ends of the inner circular tube film (14) and the two ends of the outer circular tube film (15) to be aligned, and the separation film (12) is placed into the circle through the supportBetween the column (16) and the cylinder (17), one end of the separation film (12) is fixed by a fixing support (18), the fusion position is fixed by a positioning support (19), a heating fusion device (20) is arranged and the separation film (12) is respectively fused on the inner circular tube film (14) and the outer circular tube film (15), and after the fusion is completed, one end of the film is sealed and the other end is provided with an air nozzle (2), thus completing the fan-shaped air bag (1); fixing the fan-shaped air bag (1) on a plastic film tube, integrally fixing the fan-shaped air bag on the air nozzle (2), fixing the joint (3) on the air bag, and fixing the sampling tube and the data line inside the structure.
10. A method for using a nasopharynx air duct comprises the steps of placing an air tap (2) into a nasal cavity through a sampling pipe, checking the position through a camera, inflating and positioning a spherical air bag (9) after the air tap reaches a specified position, inflating and ventilating a fan-shaped air bag (1), inflating a spiral air bag (5), detecting the air flow, and rotatably inserting a spiral rod (8) to increase support if the air tap is smaller.
CN202210967011.1A 2022-08-11 2022-08-11 Nasopharynx air duct Pending CN115300741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210967011.1A CN115300741A (en) 2022-08-11 2022-08-11 Nasopharynx air duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210967011.1A CN115300741A (en) 2022-08-11 2022-08-11 Nasopharynx air duct

Publications (1)

Publication Number Publication Date
CN115300741A true CN115300741A (en) 2022-11-08

Family

ID=83863646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210967011.1A Pending CN115300741A (en) 2022-08-11 2022-08-11 Nasopharynx air duct

Country Status (1)

Country Link
CN (1) CN115300741A (en)

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