CN113317885A - Through esophagus seaming ware for supersound - Google Patents

Abstract

The invention discloses a mouth gag for transesophageal ultrasound, which comprises a lip protecting plate and a mouth gag; the back of the lip protecting plate is connected with an occlusion sleeve which is made of medical elastic material, a sleeve through hole is arranged on the occlusion sleeve, the through hole extends to the lip protecting plate and can be placed in the oral cavity of an examined person to occlude and fix the mouth gag; the lip guard and the occlusion sleeve are of an integrated structure, the inner cavity is hollow, a notch is formed in the axial direction of the sleeving through hole, the notch extends from the outer wall of the outer end of the occlusion sleeve to the lip guard, gas can be filled into the inner cavity through an inflating device, the notch is separated, the ultrasonic hose is elastically sleeved in the ultrasonic hose, and finally the force of clamping the ultrasonic hose by the occlusion sleeve and the inner wall of the through hole and the size deformation of the occlusion sleeve are dynamically adjusted by adjusting the pressure of the gas; by applying the technical scheme, the notch can be elastically separated, the ultrasonic hose can be conveniently sleeved into the through hole, the pressure value is adjusted, the force and the deformation of the ultrasonic hose are dynamically adjusted, occluded and clamped, and the inspection efficiency is finally improved.

Description

Through esophagus seaming ware for supersound

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a mouth piece for transesophageal ultrasound.

Background

Transesophageal ultrasound has been used extensively in surgery for the last decade, particularly in cardiac surgery, and has significant implications for pre-operative diagnosis, intra-operative monitoring of cardiac function, and assessment of the outcome of surgery. When transesophageal ultrasound is used, a mouthpiece is conventionally used which is used to protect the patient's teeth and lips on the one hand and the esophageal ultrasound probe on the other hand to prevent the teeth from biting the probe.

Present seaming ware is mostly general type, can be used to through esophagus supersound, gastroscope inspection, fiberbronchoscope inspection etc. this kind of general type seaming ware is wider, has occupied most space between the upper and lower tooth, has inserted trachea cannula in the patient's oral cavity in the operation, causes to place the mouth gag more difficult, can prop oral cavity opening degree very big usually, harms lip of a mouth and gum mucosa easily, still has the possibility of bumping off the tooth to the patient that has the tooth to become flexible. The universal mouthpiece is integrated, when in use, the mouthpiece is sleeved into the esophagus ultrasonic probe, and the mouthpiece is placed after the esophagus ultrasonic probe is inserted into the esophagus, so that the mouthpiece cannot be placed if the esophagus ultrasonic probe is inserted first.

Retrieval and query of the current state of the art, application number: 201920596175.1 discloses a "intraoperative esophagus is seaming ware for supersound of esophagus" utility model patent, because the seaming ware is formed by two identical occlusal plates splicing combination, both can splice the combination earlier and embolia esophagus ultrasonic probe, also can insert esophagus ultrasonic probe behind the esophagus earlier, again in the oral cavity outside put into the oral cavity two occlusal plates around esophagus ultrasonic probe splicing combination together, adopt materials such as resin and plastics, it is good to have enough hardness and slightly feel pliability, though above-mentioned problem has been solved, in long-time the use, exist and can't adjust the bite-force, thereby make by the easy tired of examinee, the discomfort, simultaneously owing to adopt two identical occlusal plate splicing composite structure, also there is the easy damage of grafting department, lead to the grafting insecure, influence the defect of stable use.

Disclosure of Invention

In order to solve the problems, the invention adopts an integrated bite piece made of elastic material, and the opened gap can be used for manually opening the gap in an inflated state to generate elastic deformation so that an ultrasonic hose inserted into the esophagus of a person to be inspected can be conveniently sleeved in the sleeving through hole, and the force for occluding the occlusion sleeve of the person to be inspected, the force for clamping the ultrasonic hose by the sleeving through hole and the size deformation of the occlusion sleeve are dynamically adjusted by adjusting the pressure value of gas filled in the cavity.

In order to achieve the above purpose, the invention provides a mouth gag for transesophageal ultrasound, which comprises a lip guard and a bite cover, wherein the back surface of the lip guard is connected with the bite cover, the bite cover can be placed in the mouth cavity of a person to be examined, the mouth gag is fixed by bite, a sleeve through hole is arranged on the bite cover, the lip guard and the bite cover are of an integrated structure, an inner cavity is hollow, a notch is formed along the axial direction of the sleeve through hole, the notch extends to the lip guard from the outer wall of the outer end of the bite cover, the lip guard and the bite cover are made of medical elastic materials, and filled gas enters the inner cavity through an inflation hole arranged on the integrated structure by an inflation device, and the sleeve through hole is elastically sleeved in an ultrasonic hose inserted into the esophagus by separating the notch, and finally the gas pressure in the inner cavity is adjusted, and dynamically adjusting the force of the inspected person for occluding the occlusion sleeve, the force of the sleeving through hole for clamping the ultrasonic hose and the size of the size deformation of the occlusion sleeve.

Furthermore, the occlusion sleeve is in an oval shape, and bulges are uniformly arranged on the outer surface of the occlusion sleeve; the inner surface of the sleeve-joint through hole is uniformly provided with bulges.

The outer surface is provided with the bulges, so that when an examinee bites the bite sleeve, the effect of improving the bite firmness is achieved by increasing the bite area; the inner surface of the sleeve-joint through hole is provided with a bulge, so that when the ultrasonic hose is sleeved in, the contact surface of the inner surface of the sleeve-joint through hole and the outer wall of the ultrasonic hose can be increased, the friction force is increased, and the effect of fixing the ultrasonic hose is improved.

Furthermore, the outer surface of the occlusion sleeve is convex, and the contact surface of the lip protecting plate and the lips of the person to be inspected is covered with a moisture absorption material.

The outer surface of the bulge is covered with a moisture absorption material, so that the effect of absorbing saliva generated by the occlusion of an examinee and facilitating the firm occlusion can be achieved in the step 1; 2, if the teeth of the inspected person are loose and can not be firmly occluded, the effect of assisting in improving the firm occlusion is achieved through the friction force generated between the staggered joint surfaces formed between the moisture absorption materials and the protrusions; the contact surface of the lip protecting plate and the lips of the person to be inspected is covered with the moisture absorption material, and when saliva of the person to be inspected flows out of the lips, the saliva can be absorbed by the covered moisture absorption material, so that the effects of reducing environmental pollution and facilitating inspection are achieved.

Furthermore, the moisture absorption material is medical gauze or medical sponge, and the covering thickness is 5-7 mm.

Firstly, medical gauze or medical sponge is adopted, so that the effects of reducing cost and facilitating large-scale production can be achieved; secondly, the covering thickness is 5-7 mm, so that the effect of thoroughly absorbing saliva and further improving the comfort level of occlusion can be achieved.

Further, the protrusion is a floating point.

The bulge is a floating point, and the effect of convenient processing can be achieved.

Furthermore, along the axis direction of the sleeve joint through hole, the section of the gap is in a curve shape.

The breach cross-section is the curve form, when aerifing the inflation between the breach face, when the contact surface contacted each other between the curve, can reach the closed degree between the improvement contact surface through increase frictional resistance side, is difficult for making the effect that the supersound hose that cup joints drops.

Furthermore, hanging holes are formed in two sides of the lip protecting plate.

The fixing band is sleeved on the head of the person to be inspected by arranging the hanging hole, and when the seaming device is fixed, the fixing band can be directly hung through the hanging hole, so that the effects of convenient fixation, reduction of movement of the seaming device and convenient inspection can be achieved

Furthermore, the inflation device comprises an inflation capsule and an inflation tube, the inflation capsule is communicated with an inflation hole in the integrated structure through the inflation tube, external air is inflated into the inner cavity through extrusion of the inflation capsule, the filled air is filled or discharged through the inflation hole, and the air pressure in the inner cavity is adjusted.

The arrangement can achieve the effects of being convenient to install with low cost and reliably adjusting the pressure of the gas filled into the inner cavity.

Further, the inflatable capsule can be filled with gas by means of hand pressing.

The mode of inflating the inflatable capsule is adopted, the mode of adjusting the inflating pressure can be conveniently realized in real time according to the inspection requirement, and the effect of adjusting the force of the person to be inspected for occluding, sleeving the through hole and clamping the ultrasonic hose can be achieved 1; and 2, the size and the deformation of the occlusion sleeve can be adjusted to adapt to the requirements of different oral opening sizes of examinees at different ages, so that the examination efficiency is improved.

Further, the medical elastic material is rubber.

The rubber material is used, the raw materials are easy to obtain, and the effects of convenience for large-scale and low-cost manufacturing, small volume, shrinkage placement and convenience for storage and transportation can be achieved.

The positive progress effects of the invention are as follows: through adopting the integral type, the seaming ware of making by elastic material utilizes the breach of opening, can be under the gas filled state, opens the breach with manpower, and the breach produces elastic deformation for insert by the supersound hose of inspector's esophagus, very convenient quilt cover cup joints in the through-hole, and fill into the gaseous pressure value size of cavity through adjusting, dynamic adjustment by the dynamics of inspector interlock seaming cover, the dynamics size that the tight supersound hose of cup joint through-hole clamp, and interlock cover size deflection can reach:

1. the effect of effectively improving the comfort of the checked person during long-time checking;

2. when the utility model is used for a long time, the integrated structure can avoid the infirm splicing of the splicing and combination structure of the occluding plates,

the effect of stable and reliable use can be improved;

3. when the inflatable bag is in an inflation-free state, the inflatable bag can be placed in a retractable manner, the size is greatly reduced, and the inflatable bag is convenient to store and transport.

Drawings

Fig. 1 is a schematic diagram of a main view structure in an inflation state of the present invention.

Fig. 2 is a schematic diagram of the structure of the present invention viewed from above in an inflated state.

FIG. 3 is a schematic diagram of the side view structure of the present invention in the inflated state.

FIG. 4 is a schematic diagram of a partially enlarged structure of the notch of the present invention.

Fig. 5 is a schematic diagram of the inspection of the present invention.

FIG. 6 is a schematic view of the structure of the present invention in a non-inflated, contracted state.

FIG. 7 is a schematic diagram of the top view of the non-inflated collapsed position of the present invention.

FIG. 8 is a schematic diagram of the side view structure of the non-inflated collapsed placement state of the present invention.

In the figure, 1-mouth piece, 11-lip guard, 111-hanging hole, 112-lip guard contact surface, 113-lip guard moisture absorption layer, 114-lip guard outer surface, 12-occlusion sleeve, 121-occlusion sleeve outer surface, 122-moisture absorption layer, 123-occlusion sleeve outer protrusion, 13-inner cavity, 14-sleeving through hole, 141-sleeving through hole inner surface protrusion, 15-deflation hole, 151-deflation valve, 16-sleeving through hole axis, 17-notch, 18-inflation hole, 181-inflation valve, 2-inflation device, 21-inflation tube, 22-inflation capsule, 3-examinee, 31-oral cavity, 311-tooth, 312-lip, 32-esophagus, 4-ultrasonic hose, 5-examiner, 6-fixing the belt.

Detailed Description

The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the invention provides a mouth piece for transesophageal ultrasound, wherein the mouth piece 1 comprises a lip protecting plate 11 and a bite sleeve 12; the back of the lip protecting plate 11 is connected with the occlusion sleeve 12, the occlusion sleeve 12 can be placed in the oral cavity 31 of the examined person 3, the bite fixing device 1 is occluded through the teeth 311 of the examined person 3, the occlusion sleeve 12 is provided with the sleeving through hole 14, and the lip protecting plate 11 and the occlusion sleeve 12 are of an integrated structure and can be realized in the mode of integral casting molding and the like in practical use.

The inner cavity 13 of the integrated structure, namely the cavity enclosed by the inner and outer walls of the lip protecting plate 11 and the occlusion sleeve 12, is a hollow structure, and is opened with a gap 17 along the axis 16 direction of the socket joint through hole, the gap 17 extends from the outer wall of the outer end of the occlusion sleeve 12 to the lip protecting plate 11, the lip protecting plate 11 and the occlusion sleeve 12 are made of medical elastic material, and pass through the inflating device 2, and pass through the inflating hole 18 arranged on the integrated structure, after the inflating valve 181 arranged on the inflating hole 18 is opened, the filling gas enters the inner cavity 13, and the socket joint through hole 14 is opened by separating the gap 17, after the ultrasonic hose 4 inserted into the esophagus 32 is elastically sleeved in, the opened socket joint through hole 14 is loosened, after the socket joint through hole 14 elastically recovers the original state, the inner wall clamps the outer wall of the ultrasonic hose 4, finally, the force of the occlusion sleeve 12 of the examinee 5 is dynamically adjusted by adjusting the gas pressure mode in the inner cavity 13, The force of the socket through hole 14 for clamping the ultrasonic hose 4 and the size deformation of the occlusion sleeve 12.

When in use, the examiner 5 can refer to the schematic diagram of fig. 5, specifically, the ultrasonic hose 4 is inserted into the esophagus 32 of the examinee 3, then the inflation tube 21 of the inflation device 18 is connected with the inflation hole 18, the connection can be performed in a movable connection manner, for example, a connection thread can be arranged at the mouth of the inflation tube 21, the connection can be performed in a nut and thread connection manner, after the connection, the inflation valve 181 arranged on the inflation hole 18 is opened, then the inflatable capsule 22 is squeezed by the examiner 5, the external air is filled into the inner cavity 13, after the pressure of the mouth piece 1 is in a proper state, the mouth piece 17 is separated by the examiner 5 with hands, the socket through hole 14 is opened, after the ultrasonic hose 4 is elastically sleeved, the opened socket through hole 14 is released, the socket through hole 14 can elastically recover to the original state, the inner wall of the socket through hole 14 clamps the outer wall of the ultrasonic hose 4, namely, the socket device completes the socket connection of the ultrasonic hose 4, then, the mouth piece is put into the mouth 31 of the examinee 3, the outer surface 121 of the bite set is pressed tightly by the teeth 311 of the examinee 3, and the head of the examinee 3 is covered with the fixing band 6, at this time, the inflatable capsule 22 is further pressed by the examinee 3 to inflate the inner cavity 13, the examinee 3 feels the most comfortable when pressing the bite set 12, and the size of the bite set 12 is expanded by filling air, in the case of clamping the ultrasonic hose 4, and also fitting the examinee 3, at this time, the pressing of the inflatable capsule 22 is stopped and closed, and in use, if the pressure is sensed to be excessive, the pressure can be released by the release valve 151 provided on the release hole 15.

After the sleeving of the ultrasonic hose 4 is completed through the notch 17, in order to solve the firmness of the sleeving, preferably, the cross section of the notch 17 is curved along the axis 16 direction of the sleeving through hole; the breach 17 of curve form when aerifing the inflation between the breach face, when the contact surface contacted each other between the curve, can realize improving the closed degree between the contact surface through increase frictional resistance side, is difficult for making the mesh that the supersound hose 4 that cup joints drops, and figure 4 schematic diagram can be referred to the breach 17 shape.

The air vent hole 15 and the air charging hole 18 are provided at the lower portions of both sides of the lip guard 11 to facilitate the air charging and discharging operation of the examiner 5, but may be provided at other suitable positions of the engaging sleeve 1.

The inflatable capsule 22, which can be inflated by pressing the hands of the examiner 5, or by stepping on the feet to fill the gas; the inflatable capsule is adopted to inflate, and the mode of adjusting the inflation pressure can be conveniently realized in real time according to the inspection requirement, so that the purpose of adjusting the force of the person to be inspected for occluding and sleeving the through hole to clamp the ultrasonic hose can be realized; the size and the deformation of the occlusal sleeve can be adjusted to meet the requirements of different oral openings of examinees at different ages.

In addition to inflating by squeezing the inflatable bladder 22, other means of inflating may be employed, such as controlling a miniature electric gas pump or the like.

Considering the larger thermal resistance of the outside air, the surface temperature difference is not too large when the mouthpiece is filled into the inner cavity 13, so that when the examinee 3 with gingival allergy bites, the pain caused by the low surface temperature of the mouthpiece 1 can be avoided, the comfort of the occlusion can be further improved, and the effect is better when the mouthpiece is used in winter; in addition to using the external atmosphere directly, the external atmosphere can be heated properly and then filled into the inner cavity 13 after being heated to a high temperature, so as to reduce the pain caused by the lower surface temperature of the mouth piece 1 during the occlusion, and of course, other gases can be filled, such as nitrogen and the like.

For the purpose of firmly occluding the occluding sleeve 12 and better fixing the ultrasonic hose 4, it is preferable that the occluding sleeve 12 is oval-shaped in appearance, and outside the occluding sleeve 12, outer protrusions 123 of the occluding sleeve are uniformly provided; and the inner surface of the sleeve through hole 14 is uniformly provided with the inner surface bulges 141 of the sleeve through hole; the external protrusion 123 of the occlusion sleeve is arranged, so that when the examinee 3 occludes the occlusion sleeve 12, the occlusion firmness is improved by increasing the occlusion area; the inner surface protrusion 141 of the sleeve through hole is arranged, when the ultrasonic hose 4 is sleeved, the contact area between the inner surface protrusion 141 of the sleeve through hole and the outer wall of the ultrasonic hose 4 can be increased, the friction force is improved, and the purpose of fixing the ultrasonic hose 4 is achieved.

The oval-shaped engaging sleeve 12 is designed according to the mouth shape of the person 3 to be examined, so as to facilitate the engagement, but may be provided with other shapes, such as a coaxial circle with the engaging through hole 14.

For ease of manufacture, the shape of the clutch outer protrusion 123 and the socket through hole inner surface protrusion 141 are preferably floating points.

Besides floating points, the floating point structure can also adopt projections with other shapes, such as conical shapes and the like, namely the outwardly projecting points are arranged on the surface, so that the requirements of convenient processing and large-scale production can be met.

Further, in order to absorb saliva generated when the examinee 3 bites the outer surface 121 of the bite set, the purpose of firm biting is facilitated; preferably, the outer protrusion 123 of the occlusion sleeve is covered with the moisture absorption layer 122, the moisture absorption layer 122 is made of moisture absorption material, and the purpose of assisting to strengthen the firm occlusion when the tooth of the examined person 3 is loose and the firm occlusion condition occurs can be realized by the friction force generated between the staggered joint surfaces formed between the moisture absorption material and the protrusion.

Meanwhile, considering that saliva flows out from the lips 312 when the examinee 3 bites the mouth, which pollutes the environment and affects the smooth examination, the surface of the lip protector 11 contacting the lips 312 of the examinee 3 is covered with a moisture absorbing material.

The specific structure is that, at the surface of lip guard contact surface 112 department, cover lip guard moisture absorption layer 113, when the bite, lip guard moisture absorption layer 113 surface is direct to be contacted with the lip 312 of person 3 examined, absorbs the saliva that flows through lip guard moisture absorption layer 113 to reach the purpose that reduces environmental pollution, convenient inspection.

In consideration of cost, the lip protector moisture absorption layer 113 may be provided only along the contact surface of the lips 312 of the examinee 3, or may be provided along the entire lip protector contact surface 112, and the height of the lip protector 11 is lower than the nostril position of the examinee 3 so as to facilitate the breathing of the examinee 3, or may be provided with a breathing hole separately at the contact position of the lip protector 11 and the nostril of the examinee 3, or of course, other configurations for facilitating the breathing may be adopted.

The lip protector moisture absorption layer 113 is made of the same material as the moisture absorption layer 122.

In order to achieve the purpose of facilitating mass production on the basis of reducing cost when the moisture absorption layer 122 is added, preferably, the moisture absorption material adopted by the moisture absorption layer 122 is medical gauze or medical sponge.

The medical gauze and the medical sponge have good moisture absorption effect, can quickly absorb saliva generated when the examiner 3 bites the outer surface 121 of the occlusion sleeve, and in addition, the medical gauze or the medical sponge is easy to obtain, low in price, easy to process and convenient for large-scale production.

Simultaneously, for more thoroughly absorbing saliva, further improve the comfort level of interlock, preferably, cover thickness 5 ~ 7mm, the thickness specification of comparatively ideal is: 5mm, 6mm, 7mm, the thickness of these specifications, can be comparatively thoroughly absorb saliva to and the comfort degree sensation is better when the interlock, can choose according to specific in service behavior, for example, when other 3 examiners' state of an illness is lighter, expect that the inspection time is not too long, can choose 5mm thickness specification product, and on the contrary, then consider to select 6mm, or 7mm thickness specification product.

Of course, in special cases, products of other thickness specifications may be selected, for example, products of thickness specifications less than 5mm may be considered for examination of small children.

By adopting the materials, the effects of reducing cost and facilitating large-scale production can be achieved; secondly, the covering thickness is 5-7 mm, so that the effect of thoroughly absorbing saliva and further improving the comfort level of occlusion can be achieved.

Of course, other commonly used medical absorbent materials may be used in addition to medical gauze or medical sponges.

For realizing convenient fixed, reduce the removal of seaming ware, the inspection purpose of being convenient for, preferably, in lip guard 11 both sides, set up hanging hole 111, hanging hole 111 can fix fixed band 6 fast, and the mode of fixing fast can take conventional mode, for example fixed band 6 can be fixed the back through hanging hole 111 in advance, sets up the grafting device at the end of fixed band 6, and the accessible is pegged graft and is fixed fast, perhaps sets up the couple at fixed band 6 both ends, catches on modes such as hanging hole 111 is fixed through the couple.

The hanging hole 111 may be a circular hole or a hole with other shapes, and may be closed or opened to facilitate the quick removal of the fixing band 6 or the fixation by inserting the fixing band into the hole.

In order to improve the comfort of the examiner 3, the fixing belt 6 is preferably made of an elastic material, for example, a rubber fixing belt can be adopted, so that self elastic adjustment can be realized, and certainly, the fixing belt 6 made of an inelastic material can also be adopted, but the tightness degree needs to be adjusted regularly, for example, the adjustment is realized through a plug device, the adjustment is similar to the adjustment of a common backpack strap, and the comfort of the examiner 3 is possibly poor; the specific structure of the fixing and adjusting fixing belt 6 can refer to the current common structure, and will not be described herein.

The fixing strap 6 can be independently arranged and is sleeved with the hanging hole 111 for use when in use, and of course, the fixing strap can also be fixed on the hanging hole 111 in advance and only needs to be tightened and inserted for fixing.

In use, after 3 heads of person being examined tighten up on fixed band 6, hanging hole 111 pulls down at fixed band 6, lip protector 11 both sides produce great elastic deformation, fall to the facial direction by person being examined 3, through the deformation of lip protector 11 this moment, play better parcel by 3 facial effects of person being examined, the stability of mouthpart 1 has been increased, the inspection is greatly made things convenient for, simultaneously because tightly the parcel is by 3 faces of person being examined, hygroscopic layer 122 can inseparabler laminating lip 312, thereby further realize more thorough saliva absorption, and through the produced sealed of inseparable laminating between hygroscopic layer 122 and lip 312, avoid possible saliva outwards to reveal.

Finally, to facilitate the mass-production and low-cost manufacture of the mouthpiece 1, the mouthpiece 1 is stored and transported in a reduced volume and in a collapsed position, preferably in a medical grade, which is made of an elastic material, such as rubber.

The raw materials are easy to obtain, the elasticity of the mouth piece is easy to mold, the volume elasticity expansion characteristic after inflation is large, the mouth piece 1 can be produced in a large scale in modes of mold opening and the like, the cost is greatly reduced, and the manufactured finished mouth piece 1 is small in volume and can be placed in a shrinkage mode in a non-inflation state, so that the mouth piece can be stored and transported greatly conveniently, and specifically, the schematic diagrams of fig. 6, 7 and 8 can be seen.

When the mouthpiece 1 is in the non-inflated state, the lip guard outer surface 114 of the lip guard 11 and the bite sleeve outer surface 121 are in the contracted state; to meet the requirements of convenient manufacture and use, the outer surface 114 of the lip protecting plate and the outer surface 121 of the snap sleeve can be arranged in a shrinking way along the front-back direction, the up-down direction, the left-right direction and the left-right direction of the axis 16 of the through hole by taking the axis 16 of the through hole as the center; or the telescopic device can be arranged in a telescopic way mainly along a certain direction, for example, the telescopic device is arranged in a telescopic way mainly along the side of the axis 16 direction of the sleeving through hole; of course, the contraction setting may be mainly performed in a combination of the above-described directions.

The inflating device 2 can be separated from the mouthpiece 1 for storage and transportation, and the manufacturing cost is greatly reduced due to the scale production of the mouthpiece 2, so that the mouthpiece 2 can be used as a disposable product or can be recycled after disinfection, while the inflating device 2 can be reused, which facilitates the examination of the person 3 to be examined, and of course, the inflating device 2 can also be used as a disposable device.

Besides rubber, the elastic material may also be other common materials with similar characteristics, such as medical silica gel, etc., which are not described in detail.

The above is only one embodiment and various modifications and changes may be made to the present invention by those skilled in the art. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims (10)

1. A mouth gag for ultrasonic examination through esophagus comprises a lip protecting plate and an occlusion sleeve, wherein the back surface of the lip protecting plate is connected with the occlusion sleeve

The bite sleeve can be placed in the oral cavity of a person to be inspected, the bite device is fixed in a bite mode, and a sleeve through hole is formed in the bite sleeve, and the bite sleeve is characterized in that a lip guard and a bite sleeve integrated structure is adopted, an inner cavity is hollow, a notch is formed in the axial direction of the sleeve through hole, extends from the outer wall of the outer end of the bite sleeve to the lip guard, is made of medical elastic materials, is filled with gas through an inflation hole formed in the integrated structure by an inflation device, enters the inner cavity, is separated, is elastically sleeved in an ultrasonic hose inserted into an esophagus, and finally dynamically adjusts the force of the person to be inspected biting the bite sleeve and the force of the ultrasonic hose clamped by the sleeve through hole in a mode of adjusting the gas pressure in the inner cavity, and the size deformation of the occlusion sleeve.

2. The transesophageal ultrasonic mouthpiece of claim 1, wherein said engaging sleeve is oval in shape

The shape is that the outer surface of the occlusion sleeve is uniformly provided with bulges; the inner surface of the sleeve-joint through hole is uniformly provided with bulges.

3. The ultrasonic transesophageal mouthpiece of claim 2, wherein the outer surface of said mouthpiece is convex, and the surface of said lip guard which contacts the lips of the subject is covered with a moisture absorbing material.

4. The transesophageal ultrasonic mouthpiece of claim 3, wherein the moisture absorbent material is medical gauze or medical sponge, and the covering thickness is 5 to 7 mm.

5. The transesophageal ultrasonic mouthpiece of claim 4, wherein said projections are floating points.

6. The intraoperative transesophageal ultrasonic mouthpiece of claim 5, wherein the cross-sectional shape of the notch is curved along the axial direction of the female receiving hole.

7. The transesophageal ultrasonic bite block of claim 6, wherein hanging holes are provided on both sides of the lip guard.

8. The transesophageal ultrasonic mouthpiece of claim 1, wherein said inflating means includes an inflating bladder, an inflating tube, said inflating bladder communicating with an inflating hole of the integrated structure through said inflating tube, and adjusting the pressure of the gas in said internal cavity by pressing said inflating bladder to inflate the external gas into said internal cavity and filling or discharging the inflated gas through said inflating hole.

9. The transesophageal ultrasonic mouthpiece of claim 8, wherein said inflatable capsule is filled with gas by hand squeezing.

10. The transesophageal ultrasonic mouthpiece of any one of claims 1 to 9, wherein the medical elastic material is rubber.

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