CN210813254U

CN210813254U - Special oropharynx air duct for painless gastroscopy

Info

Publication number: CN210813254U
Application number: CN201921449842.XU
Authority: CN
Inventors: 李秋军
Original assignee: Beijing Jishuitan Hospital
Current assignee: Beijing Jishuitan Hospital
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-23
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a special oropharynx air duct for painless gastroscopy, which has simple structure, integrated formation and reasonable path design, meets the operation requirement, comprises a gastroscope seam, a connecting end plate arranged at the inner side of the inlet end of the gastroscope seam, and a channel pipeline arranged at the outlet end of the gastroscope seam; the connecting end plate is provided with a fiber gastroscope inlet and an air passage inlet along the long axis direction of the gastroscope bite respectively; the channel pipeline comprises a pharyngeal airway and a fiberscope channel arranged in the pharyngeal airway; the inlet end of the pharyngeal flexion ventilation pipe is communicated with the outlet end of the gastroscope bite; fibre gastroscope passageway entry end and fibre gastroscope entry intercommunication, the middle part laminating in proper order is bitten intraoral one side and the crooked breather pipe upper portion of pharynx and is extended the setting at the gastroscope, and fibre gastroscope passageway exit end is worn out by the big curved side rear portion of the crooked breather pipe of pharynx for the export of fibre gastroscope, is located the top of the crooked breather pipe exit end of pharynx.

Description

Special oropharynx air duct for painless gastroscopy

Technical Field

The utility model relates to a medical appliance, in particular to a special oropharynx air duct for painless gastroscopy.

Background

The oropharynx air duct is also called as an oropharynx air duct, is a non-tracheal catheter non-invasive air duct, can prevent tongue from falling backward, quickly opens the air duct and obtains effective ventilation. The common oropharyngeal airway is usually made of rubber or plastic, can also be made of metal or other elastic materials, is an oval hollow plastic tube and has an S-shaped appearance, and comprises a flange, a bite block part and a pharyngeal flexure part. Can be divided into various types according to the age, weight and anatomical change of patients.

For anesthetized or comatose patients, the tongue and epiglottis may fall back into the posterior pharyngeal wall, causing obstruction of the upper airway, due to the relaxation of the muscles of the floor of the mouth and pharynx that support the tongue to maintain the patency of the upper airway. When correctly inserted into the oropharyngeal airway, the front end of the device can lift the tongue and the epiglottis from the posterior pharyngeal wall, thereby achieving the purpose of preventing or treating the upper respiratory obstruction. Compared to other methods of maintaining patency of the upper airway (e.g., chin lifting, chin support, and tracheal intubation), insertion into the oropharyngeal airway does not affect the stability of the patient's cervical spine.

At present, the esophagus and the stomach can be directly checked through a gastroscope, and the painless gastroscope helps a patient to enter a calm and sleep state through a short-acting anesthetic on the basis of the ordinary gastroscope, completes the gastroscope check in no feeling, and quickly revives after the check is finished. Because the patient has no pain in the painless gastroscopy process, the mechanical injury caused by involuntary restlessness of the patient in the painful state can be avoided, the examination effect is good, and various minimally invasive treatments can be carried out on gastrointestinal hemorrhage, polyp, ulcer, stenosis and the like. The patient has no memory and pain in the whole examination, and can complete the examination by cooperating with a doctor.

Because the patient is in an anesthetic state, the patient needs to use the oropharyngeal airway to keep the airway open while performing painless gastroscopy, and not only needs to use the gastroscopy for biting, but also needs to place the oropharyngeal airway; however, the existing oropharyngeal airway is limited in design, after the oropharyngeal airway is placed in the gastroscope bite, on one hand, the placing space of the gastroscope through the gastroscope bite is shielded by the flange of the oropharyngeal airway, on the other hand, the gastroscope can not enter through the oropharyngeal airway, and the painless gastroscope can not be basically examined when the oropharyngeal airway is placed to open the airway under the condition of vein sedation. Therefore, the patient is hypoxia/anoxia caused by frequent occurrence of airway obstruction in the painless gastroscopy process, and the clinical risk is increased.

Oropharynx air vent of the combination formula that provides among the prior art, enlarge oropharynx air vent passageway, send into the gastroscope through oropharynx air vent, but the gastroscope itself is irregular to occupy the partial space of air vent can lead to ventilating not smoothly, what more importantly oropharynx air vent's opening was aimed at is the trachea, the gastroscope is examined in can't stretching into the esophagus that is located the trachea top through this export, make both can't compromise, complex operation not only, the operation degree of difficulty has been increased, and make the effect of gastroscope and air vent open a way all discount greatly.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a special oropharynx air vent of painless gastroscope inspection, simple structure, integrated into one piece, route reasonable in design accords with the operation requirement, can not place the problem of the open air flue of oropharynx air vent simultaneously after placing the fibre scope when having solved and carrying out painless gastroscope inspection.

The utility model discloses a realize through following technical scheme:

a special oropharynx air duct for painless gastroscopy is characterized by comprising a gastroscope seam, a connecting end plate arranged on the inner side of an inlet end of the gastroscope seam, and a channel pipeline communicated with an outlet end of the gastroscope seam;

the connecting end plate is provided with a fiber gastroscope inlet and an air passage inlet along the long axis direction of the gastroscope bite respectively;

the channel pipeline comprises a pharyngeal airway and a fiberscope channel arranged in the pharyngeal airway;

the inlet end of the pharyngeal flexion ventilation pipe is communicated with the outlet end of the gastroscope bite;

fibre gastroscope passageway entry end and fibre gastroscope entry intercommunication, the middle part laminating in proper order is bitten intraoral one side and the crooked breather pipe upper portion of pharynx and is extended the setting at the gastroscope, and fibre gastroscope passageway exit end is worn out by the big curved side rear portion of the crooked breather pipe of pharynx for the export of fibre gastroscope, is located the top of the crooked breather pipe exit end of pharynx.

Preferably, the device further comprises an elastic fixing belt; the gastroscope bite inlet end is provided with a fixed wing extending along the outer side of the long axis direction, and a flange is arranged along the outer side of the short axis direction in a protruding way; the fixed wings are respectively provided with a connecting hole, and the two ends of the elastic fixing band respectively penetrate through the connecting holes for fixed connection.

Preferably, the gas path inlet of the connecting end plate is communicated with a high-frequency ventilation joint.

Preferably, an outward annular bulge is arranged outside the outlet end of the gastroscope bite.

Preferably, the outlet end of the pharyngeal airway is wrapped with a silica gel pad.

Preferably, the cross section of the pharyngeal airway is a round waist hole, the cross section of the part of the fiber gastroscope channel positioned in the bite of the gastroscope is round, and the cross section of the part positioned in the pharyngeal airway is U-shaped; the open end of the U-shaped part on the fiber gastroscope channel and the inner side of the top of the pharyngeal flexion ventilation tube are integrally formed.

Preferably, the cross section of the pharyngeal airway is irregularly shaped, the lower part of the cross section of the pharyngeal airway is a part of a reference waist circular hole, and the upper part of the cross section of the pharyngeal airway is an arc-shaped bulge from the exit end of the gastroscope bite to the exit end of the fiber gastroscope channel; the section of the fiber gastroscope channel is circular, and the part positioned in the pharyngeal flexion ventilation tube and the inner side of the top of the arc-shaped bulge on the pharyngeal flexion ventilation tube are integrally formed; the pharynx bending ventilation pipe is arranged from the outlet end of the fiber gastroscope channel to the outlet end of the pharynx bending ventilation pipe, and the cross section of the pharynx bending ventilation pipe is a reference waist round hole.

Furthermore, half of the circular section of the fiber gastroscope channel is embedded into the reference waist circular hole, and two sides of the top of the circular section are in transitional connection with two sides of the reference waist circular hole through arcs to form arc-shaped protrusions.

Compared with the prior art, the utility model discloses following profitable technological effect has:

the utility model integrates the gastroscope seam and the pharynx bending vent pipe, fixes the relative position, can realize the operation of the gastroscope seam while performing the intubation operation, has simple operation and convenient and easy use; the fiber gastroscope channel which is attached and arranged above the pharyngeal flexion ventilating pipe is arranged to provide an independent interference-free space for gastroscope operation, and the gastroscope can conveniently enter an esophagus through the oral cavity through the outlet end arranged at the rear part of the large flexion side, so that the tongue depressor which is bitten by the gastroscope is avoided, the opening of an air passage can be realized through the independent pharyngeal flexion ventilating pipe, and an independent and stable operation space is provided for air passage operation such as sputum suction and the like; not only ensures the opening of the air passage during painless gastroscopy, but also avoids hypoxia/anoxia of the patient caused by glossoptosis or air passage obstruction; the fiber endoscope can be conveniently placed and operated when the air passage is opened, and the fiber endoscope channel in the device not only ensures that the endoscope smoothly enters the esophagus through the oral cavity, but also protects the fiber endoscope from being damaged by the occlusion of the teeth of a patient.

Furthermore, the flange is arranged, so that the gastroscope bite can be clamped in the oral cavity to prevent swallowing; the circumferential stability of the gastroscope bite is realized through the fixing wings and the elastic fixing bands; meanwhile, the annular bulge arranged at the outlet end can prevent the gastroscope bite from falling off from the mouth, and the use is safe and reliable.

Furthermore, the gas path inlet on the connecting end plate can be matched with various matching assemblies, so that the convenience and the reliability of connection are improved; the convenient connection of the air circuit and the quick establishment of the air passage are ensured by the arranged high-frequency ventilation joint.

Furthermore, the silica gel pad arranged at the air outlet of the pharyngeal airway can protect the oropharynx part from being damaged when in use.

Furthermore, the pharynx bending ventilation tube arranged in the shape of a waist circle has good integrity, the outlet end of the fiber gastroscope channel is concave, the manufacture is convenient, and the ventilation section is large.

Further, the crooked breather pipe oropharynx chamber adaptability of pharynx that is the dysmorphism setting is good, and holistic cross-section is little, and adaptability is strong, accords with oropharynx chamber curved surface more, and the exit end of the fibre gastroscope passageway of seting up is outstanding form for the crooked breather pipe exit end of pharynx, and the gastroscope of being convenient for stretches out and operates, and the crooked breather pipe exit end cross-section of pharynx more adapts to the space curvature at pharynx rear portion.

Drawings

Figure 1 is a front view of an oropharyngeal airway in accordance with example 1 of the present invention.

Figure 2 is a side view of an oropharyngeal airway, as described in example 1 of the present invention.

Figure 3 is a front view of the entry end of the gastroscopic bite described in example 1 of the present invention.

Fig. 4 is a sectional view taken along a-a in fig. 2.

Figure 5 is a side view of an oropharyngeal airway, as described in example 2 of the present invention.

Fig. 6 is a sectional view taken along the direction B-B in fig. 5.

Fig. 7 is a cross-sectional view taken along the direction C-C in fig. 5.

In the figure: gastroscope seam 1, stationary vane 11, flange 12, connecting hole 13, annular protrusion 14, connection end plate 2, fibre gastroscope entry 21, gas circuit entry 22, passageway pipeline 3, the crooked breather pipe 31 of pharynx, fibre gastroscope passageway 32, fibre gastroscope export 33, silica gel pad 34, elastic fixation area 4, high frequency joint 5 of ventilating.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.

The invention relates to a special oropharynx air passage for painless gastroscopy, which is made of rubber or plastic, is a hollow tube, is shown in figure 2, has an S-shaped appearance, and comprises a gastroscope bite 1 and a channel pipeline 3 as shown in figures 1 and 2; as shown in fig. 3, a flange 12 extends from the outer side of the short shaft of the inlet end of the gastroscope bite 1, a fixing wing 13 extends from the outer side of the long shaft, and a fixing band is arranged through a connecting hole 13; the outer part of the gastroscope bite 1 is provided with a bite block part, and the outlet end is connected with a channel pipeline 3; the channel tube 3 includes a pharyngeal airway 31 and a fiberscope channel 32. As shown in fig. 3, the flange 12 is a ring of raised outer edge disposed outside the inlet end to prevent swallowing and over-insertion. As shown in fig. 1, fixing wings 11 extend from both sides of the flange 12, the fixing wings are hollow and annular through connecting holes 13, and elastic fixing bands 4 are connected with the fixing wings 11 to fix the gastroscope mouthpiece 1 in the oral cavity by bypassing the head. The width of the occlusal portion of the pad portion contacting the teeth is at least two to three teeth so that the occlusal pressure of the teeth can be uniformly distributed to the contacting teeth. As shown in fig. 2, the curvature of the pharyngeal airway 31 accommodates the anatomy of the mouth, tongue, and posterior pharynx. As shown in figure 4, increase fibre scope passageway 32 in the crooked breather pipe of pharynx 31, fibre scope passageway 32 diameter is slightly greater than fibre scope diameter and is used for the fibre scope promptly gastroscope to insert, and the opening angle of fibre scope passageway 32 exit end is just to the esophagus, and the fibre scope of being convenient for gets into the esophagus through the oral cavity smoothly. Wherein the cross-section of the gastroscopic bite 1 and the pharyngeal airway 31 may be oval or otherwise adapted to the oropharyngeal cavity.

When in actual use, the utility model discloses can divide into various models according to patient's age, weight, anatomical change, mainly have adult male sex and adult female type.

The utility model discloses according to the anatomy characteristics of human oral cavity and the demand that open air flue and the fibre scope was placed in the oral cavity during clinical painless gastroscopy, improve the shape on the basis of the oropharynx air flue commonly used at present, through adopting and the integrated into one piece of 1 that bites into with the gastroscopy, the diameter of the crooked breather pipe 31 of pharynx that more current oropharynx air flue increases, namely increases its width is the size of minor axis direction, so that have enough space to place the fibre scope, and before the end, increase the esophagus opening above the end from the side of greatly bending, namely the exit end of fibre gastroscopy passageway 32, so that pass through the fibre scope, thereby realize that will tongue and will be tired to mention the purpose of preventing or treating upper respiratory tract from the pharynx back wall and can place the fibre scope smoothly and carry out stomach examination through the esophagus simultaneously, avoid the oxygen deficiency that the air flue that frequently falls behind the tongue caused during clinical painless gastroscopy is obstructed and lead to the hypoxemia, reducing airway risk during anesthesia sedation. Meanwhile, due to good airway support, the sedation depth can be increased, patient discomfort and agitation caused by over-shallow anesthesia in the examination process can be avoided, the comfort of the patient can be increased, the operation smoothness of the gastroscope can be improved, and the examination time can be shortened. The small bending side of the pharyngeal airway 31 is the circle center side of the pharyngeal bending part, and the other side opposite to the small bending side is the large bending side

Example 1

In the preferred embodiment, as shown in fig. 4, the cross section of the pharyngeal airway 31 is a lumbar circular hole, the cross section of the part of the fiber gastroscope channel 32 positioned in the gastroscope bite 1 is circular, and the cross section of the part positioned in the pharyngeal airway 31 is U-shaped; the open end of the U-shaped portion of the fiberscope channel 32 is integrally formed with the inside of the top of the pharyngeal airway tube 31.

Example 2

In the preferred embodiment, as shown in fig. 5, 6 and 7, the pharyngeal airway 31 has a special-shaped cross section, from the exit end of the gastroscope bite 1 to the exit end of the fiberscope channel 32, the lower part of the cross section of the pharyngeal airway 31 is a part of the reference lumbar circular hole, and the upper part is an arc-shaped bulge; the section of the fiber gastroscope channel 32 is circular, and the part positioned in the pharyngeal airway bend 31 and the inner side of the top of the arc-shaped bulge on the pharyngeal airway bend 31 are integrally formed; the pharyngeal airway 31 is arranged in a reference waist circular hole in cross section from the outlet end of the fiberscope channel 32 to the outlet end of the pharyngeal airway 31. In the preferred embodiment, a half of the circular cross section of the fiberscope channel 32 is embedded in the reference lumbar circular hole, and two sides of the top of the circular cross section are in transitional connection with two sides of the reference lumbar circular hole through arcs to form arc-shaped protrusions. The major axis of the reference lumbar foramen is the same as that of the gastroscope bite 1, and the minor axes are 2/3 to 3/4 of the gastroscope bite 1, or the sizes of the minor axes are the same as those of the oropharyngeal bending part of the existing oropharyngeal airway with the same size and model.

Claims

1. A special oropharynx air duct for painless gastroscopy is characterized by comprising a gastroscope seam (1), a connecting end plate (2) arranged on the inner side of the inlet end of the gastroscope seam (1), and a channel pipeline (3) communicated with the outlet end of the gastroscope seam (1);

a fiber gastroscope inlet (21) and an air passage inlet (22) are respectively arranged on the connecting end plate (2) along the long axis direction of the gastroscope bite (1);

the channel pipeline (3) comprises a pharyngeal airway (31) and a fiberscope channel (32);

the inlet end of the pharyngeal flexion ventilation pipe (31) is communicated with the outlet end of the gastroscope bite (1);

the entry end of the fiber gastroscope channel (32) is communicated with the fiber gastroscope entry (21), the middle part of the fiber gastroscope channel is sequentially attached to one side of the gastroscope bite (1) and the upper part of the pharyngeal airway (31) to extend, and the exit end of the fiber gastroscope channel (32) penetrates out of the rear part of the large bending side of the pharyngeal airway (31) for the fiber gastroscope exit (33) and is located above the exit end of the pharyngeal airway (31).

2. The oropharyngeal airway for painless gastroscopy according to claim 1, characterized in that it also comprises elastic fixing bands (4); the inlet end of the gastroscope bite (1) is provided with a fixed wing (11) extending along the outer side of the long axis direction, and a flange (12) protruding along the outer side of the short axis direction; the fixed wings (11) are respectively provided with a connecting hole (13), and the two ends of the elastic fixing band (4) respectively penetrate through the connecting holes (13) for fixed connection.

3. The oropharyngeal airway special for painless gastroscopy as claimed in claim 1, characterized in that the air channel inlet (22) of the connecting end plate (2) is communicated with a high frequency ventilation joint (5).

4. The oropharyngeal airway for painless gastroscopy as claimed in claim 1, characterized in that the outside of the outlet end of the gastroscope bite (1) is provided with an outward annular bulge (14).

5. The oropharyngeal airway for painless gastroscopy as claimed in claim 1, characterized in that the exit end of the pharyngeal airway (31) is wrapped with a silica gel pad (34).

6. The oropharynx air passage special for painless gastroscopy as claimed in claim 1 is characterized in that the cross section of the pharyngeal airway (31) is a lumbar circular hole, the partial cross section of the fiber gastroscope channel (32) positioned in the gastroscope bite (1) is circular, and the partial cross section positioned in the pharyngeal airway (31) is U-shaped; the open end of the U-shaped part on the fiber gastroscope channel (32) and the inner side of the top of the pharyngeal airway (31) are integrally formed.

7. The oropharyngeal airway special for painless gastroscopy as claimed in claim 1, characterized in that the cross section of the pharyngeal airway (31) is in a special-shaped arrangement, the lower part of the cross section of the pharyngeal airway (31) is a part of a reference waist round hole, and the upper part is in an arc-shaped bulge from the exit end of the gastroscope bite (1) to the exit end of the fiber gastroscope channel (32); the section of the fiber gastroscope channel (32) is circular, and the part positioned in the pharyngeal airway (31) and the inner side of the top of the arc-shaped bulge on the pharyngeal airway (31) are integrally formed; the pharyngeal airway (31) is arranged from the outlet end of the fiber gastroscope channel (32) to the outlet end of the pharyngeal airway (31), and the cross section of the pharyngeal airway is a reference waist circular hole.

8. The oropharyngeal airway for painless gastroscopy as claimed in claim 7, characterized in that, a half of the circular section of the fiber gastroscope channel (32) is embedded in the reference round waist hole, and the two sides of the top of the circular section are transitionally connected with the two sides of the reference round waist hole through arcs to form arc-shaped bulges.

9. The oropharyngeal airway for painless gastroscopy as claimed in claim 1, characterized in that the curvature of the arc of the pharyngeal airway (31) is in the curvature of the fitting mouth, tongue and posterior pharynx.

10. The oropharyngeal airway for painless gastroscopy as claimed in claim 1, characterized in that the exit end of the fiber gastroscopic channel (32) is opposite to the position of the alimentary canal orifice, and the exit end of the pharyngeal curved airway (31) is opposite to the position of the trachea orifice.