CN118615533A - Improved nasopharyngeal ventilation device and operation method thereof - Google Patents
Improved nasopharyngeal ventilation device and operation method thereof Download PDFInfo
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- CN118615533A CN118615533A CN202410844540.1A CN202410844540A CN118615533A CN 118615533 A CN118615533 A CN 118615533A CN 202410844540 A CN202410844540 A CN 202410844540A CN 118615533 A CN118615533 A CN 118615533A
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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. ventilators; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
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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. ventilators; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0875—Connecting tubes
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Abstract
本发明涉及医疗器械领域，更具体地，涉及改良的鼻咽通气装置及操作方法；包括第一管、第二管、头戴束带、转接头、第一连接件、第二连接件，第一管的一端通过第一连接件与转接头的第一端口相连，第一管的另一端通过接口与呼吸机相连，转接头的第二端口通过第二连接件与第二管连接，第二管用于插入患者鼻咽处，所述头戴束带固定于所述转接头上；用于解决鼻咽通气装置易脱落，与呼吸机适配时连接距离远近、位置方位不同导致的连接不稳定的问题；通过头戴束带提升第二管与患者接触的连接稳定性，通过转接头实现第一管与第二管之间的稳固连接，使第一管与不同型号的呼吸机连接时实现距离远近不同、连接位置方位不同也能维持第二管的连接稳定性的效果。
The present invention relates to the field of medical devices, and more specifically, to an improved nasopharyngeal ventilation device and an operating method thereof; the device comprises a first tube, a second tube, a headband, an adapter, a first connector, and a second connector, wherein one end of the first tube is connected to a first port of the adapter via the first connector, the other end of the first tube is connected to a ventilator via an interface, the second port of the adapter is connected to the second tube via the second connector, the second tube is used to be inserted into the nasopharynx of a patient, and the headband is fixed on the adapter; the device is used to solve the problem that the nasopharyngeal ventilation device is easy to fall off, and the connection is unstable due to different connection distances and positions when the device is adapted to the ventilator; the connection stability of the second tube in contact with the patient is improved by the headband, and a stable connection between the first tube and the second tube is achieved by the adapter, so that when the first tube is connected to ventilators of different models, different distances and different connection positions can be achieved, and the connection stability of the second tube can be maintained.
Description
Technical Field
The present invention relates to the field of medical devices, and more particularly to improved nasopharyngeal ventilation devices and methods of operating the same.
Background
The improved nasopharynx ventilation device is also called a simple artificial airway, and is a simple and quick ventilation device which is inserted into the nasal cavity through the nasal use of the nasopharynx ventilation tube and keeps the airway unobstructed, can relieve the obstruction of the upper respiratory tract of the nasopharynx, reduce the resistance of air flow, is beneficial to the suction of secretions of the upper respiratory tract and improves the oxygenation of patients. The manipulation should be gentle to avoid damaging the mucosa or surrounding glandular tissue during the placement. Excessive nasopharyngeal airway size may be inserted into the esophagus and may lead to flatulence and hypopnea during positive airway pressure. If the patient has facial trauma, the patient should be warned that the nasopharyngeal airway enters the cranial cavity through the fractured sieve plate, so that intracranial injury is caused. The nasal pharynx breather pipe can cause irritation laryngeal spasm or reflex vomiting when in use, and care is needed.
The existing improved nasopharynx ventilation device is characterized in that one end of the tube body exposed out of the nasal cavity is directly fixed on the face of a patient by using an adhesive tape after being inserted into the nasal cavity, the patient easily falls off when the head is rotated, and the other end of the tube body is connected with a pipeline of a breathing machine.
How to solve the problem that the connection stability of an improved nasopharynx ventilation device and the connection instability of the improved nasopharynx ventilation device caused by different connection distances and different connection positions and orientations when the improved nasopharynx ventilation device is connected with different types of respirators in an adapting way is needed to be solved in the field.
Disclosure of Invention
The present invention is directed to overcoming at least the drawbacks (shortcomings) of the prior art described above, and providing an improved nasopharynx ventilation device and an operation method thereof, for solving the problems that the improved nasopharynx ventilation device is easy to fall off due to the rotation of the head of a patient, and the connection between the improved nasopharynx ventilation device and the improved nasopharynx ventilation device is unstable due to the different connection distances and different connection positions and orientations when the improved nasopharynx ventilation device is connected with different types of respirators in an adapting way.
The technical scheme adopted by the invention is that the improved nasopharynx ventilation device comprises a first tube, a second tube, a head-wearing strap, an adapter, a first connecting piece and a second connecting piece, wherein one end of the first tube is connected with a first port of the adapter through the first connecting piece, the other end of the first tube is connected with a respirator through an interface, a second port of the adapter is connected with the second tube through the second connecting piece, the second tube is used for being inserted into the nasopharynx of a patient, and the head-wearing strap is fixed on the adapter.
Be favorable to linking to each other with the breathing machine through first pipe, insert patient nasopharynx department through the second pipe, realize the firm connection between first pipe and the second pipe through the adapter, promote the connection stability of second pipe and patient contact through the head-mounted band.
Further, the first connecting piece is a winding belt, an adhesive layer, a reducing joint or a hoop; the second connecting piece is a winding belt.
The ventilator pipe and the adapter are connected in a sealing fit manner through the first connecting piece, and the inner diameter of the second pipe is increased or decreased through the second connecting piece.
Further, the radial directions of the first port and the second port are perpendicular to each other.
The radial direction of the second tube in front of the nasal cavity of the patient is changed into the radial direction of the first tube at the side of the patient by mutually perpendicular radial directions of the first port and the second port, so that the medical staff can observe, operate and use other machines conveniently, and intracranial trauma of the patient caused by collision with the second tube is avoided.
Further, the head strap comprises a sleeve sleeved outside the first port, and an opening is formed in the side wall of the sleeve and used for extending out of the second port.
The sleeve is favorable for serving as a supporting part of the head-wearing strap, the second port extends out through the opening formed in the side wall of the sleeve, and the connection stability of the sleeve and the adapter is enhanced again.
Further, the adapter is a two-way elbow, the second port is an elbow, the first port of the adapter is fixedly connected with the first pipe, and/or the second port is movably connected with the second pipe.
The included angle between the first pipe and the second pipe is changed through the two-way elbow, the radian of the second port is kept consistent with that of the second pipe through the elbow, the air tightness of connection between the first pipe and the second pipe is enhanced, the connection stability of the first pipe and the adapter is enhanced through the fixed connection of the first port and the first pipe, and the second pipe can be replaced through the movable connection of the second port and the second pipe.
Further, the diameter of the first port is larger than the diameter of the second port; the first tube is adjustable in angle and length.
The diameter of the second port is smaller than that of the first port, so that when the gas in the first pipe connected with the first port flows into the second pipe connected with the second port, the resistance of the adapter serving as an elbow is reduced, and the gas flows at a constant speed; the angle and the length of the flexible tube which is favorable for passing through the first tube can be adjusted to adapt to the change of the distance and the position direction between the second tube and the breathing machine, and the improved nasopharynx ventilation device is prevented from falling off in the use process.
Further, a sealing ring is arranged between the first port and the first pipe, and/or a sealing ring is arranged between the second port and the second pipe.
The connection stability of the first port and the first pipe is enhanced through the sealing ring, and the connection stability of the second port and the second pipe is enhanced.
Further, the bending length of the bent pipe is 18-22mm, the diameter of the bent pipe is 2-8mm, and the wall thickness of the bent pipe is 0.8-1.2mm.
The bending degree of the second pipe can be accurately matched through the specific bending numerical range of the bent pipe, and the connection air tightness of the second port of the adapter and the second pipe is improved.
Further, the interface comprises an adapter for externally connecting with a breathing machine, and the adapter further comprises a fixing belt for fixing the first tube and the medical instrument.
The breathing machine of different models is conveniently docked through the adapter, and the first pipe, the adapter and the breathing machine are fixed through the fixing band, so that falling is avoided.
A method of operating an improved nasopharyngeal ventilation device, comprising the steps of:
Cutting off the double joints of the double joint breathing machine pipe to form a first pipe, and cutting off the limiting structure of the nasopharynx vent pipe to form a second pipe;
An adapter is provided, the adapter includes first port and second port, and first port is through first connecting piece and first tub of adhesive connection, and the second port is through second connecting piece and second tub of connection, according to the internal diameter size of second pipe, increases or reduces the quantity of second connecting piece.
The operation method is beneficial to solving the problem that the existing breathing machine pipe and the nasopharynx breather pipe are not suitable for the specification and the size, and the purchased breathing machine and the nasopharynx breather pipe do not need to be replaced for adapting the pipe diameter, so that the clinical use cost is reduced, and the application flexibility of the breathing machine and the nasopharynx breather pipe is increased.
Compared with the prior art, the invention has the beneficial effects that: the connecting stability of the second tube and the patient contact is improved through the head-wearing strap connected with the adapter, the first tube and the second tube are firmly connected through the adapter, so that the effect of maintaining the connecting stability of the second tube when the connecting distance is different and the connecting position and orientation are different when the first tube is connected with different types of respirators is achieved, the replacement use cost when the first tube and the second tube are not matched is reduced, and the application flexibility of the existing respirators and nasopharynx breather tubes is increased.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of an adapter according to the present invention.
Fig. 3 is a schematic view of a preferred embodiment of the first connector of the present invention.
Fig. 4 is a schematic view of a preferred embodiment of the first connector of the present invention.
Fig. 5 is a schematic view of a preferred embodiment of the first connector of the present invention.
Fig. 6 is a schematic view of a preferred embodiment of the first connector of the present invention.
Fig. 7 is a schematic view of a preferred embodiment of the first connector of the present invention.
The attached drawings are used for identifying and describing: the device comprises a first tube 100, a second tube 200, a headgear strap 300, an adapter 400, a first port 410, a second port 420, an adapter 500, and a securing strap 600.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1-2, the present embodiment provides an improved nasopharynx ventilation device, which includes a first tube 100, a second tube 200, a head strap 300, an adapter 400, and a first connector, wherein one end of the first tube 100 is connected to a first port 410 of the adapter 400 through the first connector, the other end of the first tube 100 is connected to a ventilator through an interface, a second port 420 of the adapter 400 is connected to the second tube 200 through a second connector, the second tube 200 is used for being inserted into a nasopharynx of a patient, and the head strap 300 is fixed on the adapter 400.
In this embodiment, the first tube 100 is a gas bellows connected to a ventilator, and is made of medical plastic or silica gel; the second tube 200 is a common disposable medical consumable nasopharyngeal airway removing disc and is made of medical plastic or silica gel; the head-wearing band 300 is an elastic band with an adjusting clip, the head-wearing band 300 is adjusted and matched according to the distances from the nasal cavities of different patients to the hindbrain ladle, and the two cheeks of the patients are wound to the hindbrain ladle when the head-wearing band is worn, so that the second tube 200 and the patients are prevented from falling off; the head-wearing band 300 is further provided with an elastic ring for fixing the first tube 100 and the head-wearing band 300, and the elastic band can slide up and down on the outer wall of the first tube 100 to adjust the fixing point between the first tube 100 and the head-wearing band 300; the adaptor 400 is used for simultaneously connecting the first tube 100 and the second tube 200, and is made of medical hard plastic, a first port 410 of the adaptor 400 is connected with the first tube 100, and a second port 420 of the adaptor 400 is connected with the second tube 200.
The first connecting piece is a winding belt, an adhesive layer, a reducer union or a hoop; the second connecting piece is a winding belt.
As shown in fig. 3, in this embodiment, the first connecting piece is a winding belt, the winding belt may be a metal wire or an adhesive tape, the first tube 100 is a hose matched with different types of respirators, when the tube diameter of the first tube 100 is too large to be matched with the first port 410 of the adapter 400, the hard port of the first tube 100 can be sheared off, and then the first tube 100 is sleeved outside the first port 410 of the adapter 400, and the winding belt is extended from the joint of the first tube 100 and the second tube to two ends by 5cm for fixing, and the winding belts in two directions are mutually wound; when the pipe diameter of the first pipe 100 is too small to match with the first port 410 of the adapter 400, the hard port of the first pipe 100 can be sheared off, and then the first pipe 100 is wound by a plurality of layers to enlarge the pipe diameter of the first pipe 100 until the pipe diameter of the first pipe 100 is matched with the first port 410 of the adapter 400, and then 5cm winding belts are wound to the two ends respectively at the joint of the pipe diameters for fixing.
In this embodiment, when the second tube 200 is a general-purpose nasopharynx tube in the prior art, the second tube may be directly sleeved outside the second port 420 of the adapter 400, and if the second tube 200 is a special-purpose nasopharynx tube, a connection manner may be adopted in which the tube diameter of the first tube 100 is not matched with the first port 410 of the adapter 400.
The radial directions of the first port 410 and the second port 420 are perpendicular to each other.
In this embodiment, when the patient lies down upwards, the pipe diameter direction of the second pipe 200 is also upwards, and the ventilator is disposed at the side of the patient, so that in order to facilitate the ventilator to supply air to the second pipe 200, the radial directions of the first port 410 and the second port 420 of the adapter 400 are mutually perpendicular, so that the air in the ventilator is converted from the pipe diameter direction of the first pipe 100 to the pipe diameter direction of the second pipe 200, thereby avoiding unstable connection of the ventilator, smooth air circulation, and stable air supply of the ventilator.
The headgear strap 300 includes a sleeve sleeved over the first port 410, and an opening is provided on a side wall of the sleeve for extending the second port 420.
In this embodiment, the first tube 100 is a corrugated hose, and cannot provide a supporting force for the headgear strap 300, and the hard sleeve on the headgear strap 300 provides a supporting point for the headgear strap 300, so that when the second tube 200 stretches into the nasal cavity of the patient and the headgear strap 300 is worn, the sleeve is used as the supporting point to realize tightness adjustment. The opening provided on the side wall of the sleeve enables the second port 420 to extend, so that the connection stability of the adapter 400 and the sleeve is enhanced, and when the head strap 300 is worn, the connection between the adapter 400 and the first tube 100 and the connection between the adapter 400 and the second tube 200 cannot easily fall off.
The adaptor 400 is a two-way elbow, the second port 420 is an elbow, the first port 410 of the adaptor 400 is fixedly connected with the first pipe 100, and/or the second port 420 is movably connected with the second pipe 200.
In this embodiment, the adapter 400 is used as a two-way elbow, the included angle between the radial direction of the first port 410 and the radial direction of the second port 420 is greater than or equal to 90 °, and the elbows with different included angles can be adapted to respirators with different orientations from the patient; the second port 420 is an elbow, the bending degree of which is the same as that of the second tube 200, the bending of the elbow is to strengthen the air tightness with the second tube 200, and the bending of the second tube 200 is to fit the nasal cavity of the human body. The first port 410 of the adapter 400 is fixedly connected with the first tube 100, so as to ensure the continuity and stability of air supply, and the movable connection of the second port 420 and the second tube 200 is used for facilitating the rapid removal of the second tube 200 from the second port 420, so as to disconnect the air supply, and meanwhile, the second tube 200 does not need to be pulled out from the nasal cavity of the patient, so that the discomfort of the patient caused by repeated insertion and removal of the second tube 200 is avoided.
The diameter of the first port 410 is greater than the diameter of the second port 420; the angle and length of the first tube 100 may be adjustable.
In this embodiment, the adaptor 400 is used as an elbow, and a large resistance is formed during the gas circulation process, so that the gas flow rate needs to be raised at the adaptor 400 to overcome the elbow resistance for the purpose of continuity and stability of the gas supply process, and when the diameter of the second port 420 is smaller than that of the first port 410, the flow rate of the gas from the first pipe 100 to the second pipe 200 is raised.
In this embodiment, the first tube 100 is a corrugated hose, and the length and angle of the corrugated hose can be adjusted at will, so that the stable connection with the second tube 200 can be not changed when the distance and the position direction between the ventilator and the second tube 200 change, and the air supply of the first tube 100 is stable and continuous.
A sealing ring is provided between the first port 410 and the first pipe 100, and/or a sealing ring is provided between the second port 420 and the second pipe 200.
In this embodiment, the sealing ring between the first port 410 and the first tube 100 is used for enhancing the connection tightness between the first port and the first tube 100, and the sealing ring between the second port 420 and the second tube 200 is used for enhancing the connection tightness between the first port and the second tube, and the sealing ring is made of medical corrosion resistant materials.
The bending length of the bent pipe is 18-22mm, the diameter of the bent pipe is 2-8mm, and the wall thickness of the bent pipe is 0.8-1.2mm.
In this embodiment, the bending length of the elbow is 20mm, the nominal diameter of the elbow is 6mm, and the wall thickness of the elbow is 1mm.
The second tube 200 includes a connection end connected to the adapter 400 in a flat shape and an insertion end contacting the nasopharynx of the patient in a bevel shape.
In this embodiment, the connection end of the second pipe 200 is connected to the second port 420 of the adapter 400, and the flat connection end is easy to be plugged; the insertion end is the same as the existing nasopharyngeal airway, and the bevel-mouth shape is easy to insert into the nasal cavity.
The interface comprises an adapter 500 for externally connecting a breathing machine, and the adapter 500 further comprises a fixing band 600 for fixing the first tube 100 and the medical instrument.
In this embodiment, the adapter 500 is used for externally connecting a respirator or other machines, a perforation is provided on a side wall of the adapter 500, the fixing strap 600 is inserted into the perforation and forms two strap rings, the size of the two strap rings can be changed by sliding the fixing strap 600 in the perforation, a buckle capable of adjusting the size of the strap ring by one hand is further provided on one strap ring, and a clamping piece requiring two-hand operation is provided on the other strap ring.
Example 2
A method of operating an improved nasopharyngeal ventilation device, comprising the steps of:
cutting out the double connector of the double connector breathing machine tube to form a first tube 100, and cutting out the limit structure of the nasopharynx vent tube to form a second tube 200;
An adapter 400 is provided, the adapter 400 comprising a first port 410 and a second port 420, the first port 410 being adhesively connected to the first tube 100 by a first connector, the second port 420 being connected to the second tube 200 by a second connector, the number of second connectors being increased or decreased depending on the size of the inner diameter of the second tube 200.
Example 3
The first connecting piece is a winding belt, an adhesive layer, a reducer union or a hoop; the second connecting piece is a winding belt.
Unlike embodiment 1, the first connector in this embodiment is an adhesive layer and a wrapping tape, and the adhesive layer is a double-sided adhesive layer, which is adhered between the adapter 400 and the first pipe 100. When the pipe diameter of the first pipe 100 is excessively matched with the first port 410 of the adapter 400, an adhesive layer is adhered to the outer diameter of the first pipe 100 to adhere to the inner diameter of the first port 410 of the adapter 400, and then the outside of the joint between the two is reinforced by a winding belt to prevent air leakage.
In this embodiment, when the second tube 200 is a general-purpose nasopharynx tube in the prior art, the second tube 200 may be directly sleeved outside the second port 420 of the adapter 400, and if the second tube 200 is a special-purpose nasopharynx tube, a connection manner in which the tube diameter of the first tube 100 is not matched with the first port 410 of the adapter 400 may be adopted to match the second tube 200 with the second port 420 of the adapter 400.
Example 4
The first connecting piece is a winding belt, an adhesive layer, a reducer union or a hoop; the second connecting piece is a winding belt.
As shown in fig. 4 to 6, unlike embodiment 1, the first connecting member in this embodiment is a reducing joint. The reducer union is a rigid union, and includes two nozzles, one of which is matched with the first port 410 of the adapter 400, and the other of which includes multiple specifications to match the first pipe 100 of different pipe diameters provided on different types of respirators. The reducer union may also include a plurality of nozzles, one of which mates with the first port 410 of the adapter 400, and the remaining nozzles including a plurality of gauges to increase the flexibility of fitting of one reducer union, and nozzles not used for connection may be sealed by a seal to prevent leakage.
In this embodiment, when the second tube 200 is a general-purpose nasopharynx tube in the prior art, the second tube 200 may be directly sleeved outside the second port 420 of the adapter 400, and if the second tube 200 is a special-purpose nasopharynx tube, a connection manner in which the tube diameter of the first tube 100 is not matched with the first port 410 of the adapter 400 may be adopted to match the second tube 200 with the second port 420 of the adapter 400.
Example 5
The first connecting piece is a winding belt, an adhesive layer, a reducer union or a hoop; the second connecting piece is a winding belt.
As shown in fig. 7, unlike embodiment 1, the first connecting member in this embodiment is a hoop and a winding belt. The staple bolt is the semicircle clamp for encircle outside the pipe diameter, in order to strengthen the leakproofness of connection. When the pipe diameter of the first pipe 100 is excessively matched with the first port 410 of the adapter 400, directly sleeving the excessively large first pipe 100 on the first port 410, and then hooping and fixing the first pipe 100 and the first port 410 through the hoop; when the pipe diameter of the first pipe 100 is too small to be matched with the first port 410 of the adapter 400, the first pipe 100 is wound by a winding belt until the pipe diameter is enlarged to be matched with the first port 410, and then the first pipe 100 and the first port 410 are fastened and fixed by a hoop.
In this embodiment, when the second tube 200 is a general-purpose nasopharynx tube in the prior art, the second tube 200 may be directly sleeved outside the second port 420 of the adapter 400, and if the second tube 200 is a special-purpose nasopharynx tube, a connection manner in which the tube diameter of the first tube 100 is not matched with the first port 410 of the adapter 400 may be adopted to match the second tube 200 with the second port 420 of the adapter 400.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and are not intended to limit the present invention to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The improved nasopharynx ventilation device is characterized by comprising a first pipe, a second pipe, a head-wearing strap, an adapter, a first connecting piece and a second connecting piece, wherein one end of the first pipe is connected with a first port of the adapter through the first connecting piece, the other end of the first pipe is connected with a breathing machine through an interface, a second port of the adapter is connected with the second pipe through the second connecting piece, the second pipe is used for being inserted into the nasopharynx of a patient, and the head-wearing strap is fixed on the adapter.
2. The improved nasopharyngeal ventilation apparatus of claim 1, wherein said first connector is a wrapped tape, or an adhesive layer, or a reducer fitting, or a staple; the second connecting piece is a winding belt.
3. The improved nasopharyngeal ventilation apparatus of claim 1, wherein radial directions of said first port and said second port are mutually perpendicular.
4. The improved nasopharyngeal ventilation apparatus of claim 1, wherein said headgear strap includes a sleeve that is sleeved outside of a first port, a sidewall of said sleeve being provided with an opening for extension of said second port.
5. The improved nasopharyngeal ventilation apparatus of claim 1, wherein said adapter is a two-way elbow, said second port is an elbow, a first port of said adapter is fixedly connected to a first tube, and/or said second port is movably connected to said second tube.
6. The improved nasopharyngeal ventilation apparatus of claim 1, wherein a diameter of said first port is greater than a diameter of said second port, and wherein an angle and a length of said first tube are adjustable.
7. The improved nasopharyngeal ventilation device of any one of claims 1-5, wherein a seal is provided between said first port and said first tube, and/or a seal is provided between said second port and said second tube.
8. The improved nasopharyngeal ventilation apparatus of claim 4, wherein said elbow has a bend length of 18-22mm, a diameter of 2-8mm, and a wall thickness of 0.8-1.2mm.
9. The improved nasopharyngeal ventilator of claim 1, wherein said interface comprises an adapter for circumscribing a ventilator, said adapter further comprising a securing strap thereon for securing said first tube and a medical instrument.
10. A method of operating an improved nasopharyngeal ventilation device, comprising the steps of:
Cutting off the double joints of the double joint breathing machine pipe to form a first pipe, and cutting off the limiting structure of the nasopharynx vent pipe to form a second pipe; an adapter is provided, the adapter includes first port and second port, and first port is through first connecting piece and first tub of adhesive connection, and the second port is through second connecting piece and second tub of connection, according to the internal diameter size of second pipe, increases or reduces the quantity of second connecting piece.
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| CN202410844540.1A CN118615533A (en) | 2024-06-27 | 2024-06-27 | Improved nasopharyngeal ventilation device and operation method thereof |
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| CN202410844540.1A CN118615533A (en) | 2024-06-27 | 2024-06-27 | Improved nasopharyngeal ventilation device and operation method thereof |
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2024
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