CN113576387A

CN113576387A - Gastroscope auxiliary device and using method thereof

Info

Publication number: CN113576387A
Application number: CN202110763732.6A
Authority: CN
Inventors: 项鹏程
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-11-02

Abstract

The invention discloses a gastroscope auxiliary device and a use method thereof, wherein the gastroscope auxiliary device comprises: a support, a protective layer and a pump; a channel is formed in the middle of the support, and the support is used for being bitten by teeth; the protective layer is arranged in a tubular shape, the protective layer is a flexible protective layer, the protective layer is provided with a head end and a tail end, the head end of the protective layer is connected with the support, the diameter of the protective layer is gradually reduced from the head end to the tail end, the protective layer is provided with a preparation state and an extension state, the tail end penetrates through the head end in the preparation state, the protective layer forms an inner layer comprising the tail end and an outer layer comprising the head end, the inner layer is connected with the outer layer, and the outer layer is sleeved on the inner layer; the protective layer is provided with a working medium flow passage which extends from the head end to the tail end; the protective layer is also provided with a joint communicated with the working medium flow passage, and the joint is positioned on the support; the pump is connected with the connector and used for conveying the working medium to the working medium flow channel so as to drive the protective layer to change from the preparation state to the extension state. The gastroscope auxiliary device has the function of protecting the esophagus.

Description

Gastroscope auxiliary device and using method thereof

Technical Field

The invention relates to the field of gastroscope devices, in particular to a gastroscope auxiliary device and a use method thereof.

Background

Gastroscopes are a method of medical examination and also refer to instruments used in such examinations. It is inserted into the stomach by means of a thin and flexible tube, and the doctor can directly observe the pathological changes of esophagus, stomach and duodenum, especially for tiny pathological changes. The gastroscopy can directly observe the real condition of the detected part, and can further carry out pathological biopsy and cytology detection on the suspicious lesion part to further clearly diagnose, thereby being the preferred detection method for the upper digestive tract lesion. At present, in the process of inserting and taking out the gastroscope from the oral cavity and the esophagus, the gastroscope easily damages tissues such as the esophagus, the throat and the like.

Disclosure of Invention

The invention mainly aims to provide a gastroscope auxiliary device, aiming at protecting the esophagus of a patient and relieving the pain of the patient during gastroscopy.

In order to achieve the above object, the present invention provides a gastroscopic assistance device comprising:

the middle part of the support is provided with a channel, and the support is used for biting teeth;

the protective layer is a flexible protective layer, the protective layer is provided with a head end and a tail end, the head end of the protective layer is connected with the support, the diameter of the protective layer is gradually reduced from the head end to the tail end, the protective layer is provided with a preparation state and an extension state, the tail end penetrates through the head end in the preparation state, the protective layer forms an inner layer comprising the tail end and an outer layer comprising the head end, the inner layer is connected with the outer layer, and the outer layer is sleeved with the inner layer; the protective layer is provided with a working medium channel, and the working medium channel extends from the head end to the tail end; the protective layer is also provided with a joint communicated with the working medium flow passage, and the joint is positioned on the support;

and the pump is connected with the connector and used for conveying working media to the working medium flow passage so as to drive the protective layer to change from the preparation state to the extension state.

Optionally, the working medium channel extends in a spiral shape.

Optionally, the protective layer is further formed with a plurality of branch flow channels, the branch flow channels extend along an axial direction of the protective layer, and one end of each branch flow channel is communicated with the working medium flow channel, or each branch flow channel and the working medium flow channel at least have two intersection points, and at the intersection points, the working medium flow channels are communicated with the branch flow channels.

Optionally, the branch flow channel and the working medium flow channel are both formed inside the wall of the protective layer.

Optionally, the protective layer is made of a transparent skin-friendly material, the protective layer having radial elasticity.

Optionally, the protective layer is provided with an air hole, the air hole penetrates through the wall of the protective layer, the air hole and the working medium flow passage are arranged in a staggered mode, the gastroscope auxiliary device further comprises a waterproof breathable film, and the waterproof breathable film covers the air hole.

Optionally, the support comprises:

the barrel part is communicated with two ends of the barrel part, one end of the barrel part is provided with an outward flange, and the inner side edge of the outward flange forms a step part; and the number of the first and second groups,

the fixing ring is matched with the step part and detachably arranged in the step part, and the fixing ring is provided with a notch; the edge of the head end of protective layer is equipped with protruding muscle, the thickness of protruding muscle is greater than the thickness of protective layer, gastroscope auxiliary device is at the during operation, solid fixed ring sets up in the step portion, the head end sets up step portion with gu between the fixed ring, protruding muscle is located outside the step portion, connect and be located breach department.

Optionally, the tail end is provided with an elastic snap ring, and the elastic snap ring is used for sleeving the tail end on the gastroscope.

Optionally, a transparent nylon thread is embedded in the wall of the protective layer, the nylon thread extending spirally from the head end to the tail end.

The invention also provides a using method of the gastroscope auxiliary device, the gastroscope auxiliary device is as above, and the working medium is air or water; the use method of the gastroscope aid device comprises the following steps:

controlling the head end of the protective layer to be arranged on the support;

controlling the protective stack to a ready state;

and controlling the pump to be connected with the joint, controlling the pump to suck firstly, and then pumping working medium into the working medium flow channel so as to enable the protective layer to change from the preparation state to the extension state.

According to the technical scheme, in the process that the protective layer changes from the preparation state to the stretching state, the outer layer gradually extends from the mouth of the patient to the stomach of the patient, in the process that the protective layer is unfolded, friction does not occur between the protective layer and the esophagus of the patient, the protective layer stretches in the esophagus in a similar attaching mode, and the process does not damage the esophagus of the patient. When the protective layer stretches into after the expansion state, can follow gastroscope device the eyelidretractor stretches into in the passageway that the protective layer formed, avoid the direct esophagus contact with the patient of gastroscope device to avoid the gastroscope device with the esophagus scratch, be favorable to reducing patient's discomfort by a wide margin, the protective layer can effectively play the guard action.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a deployed state of an embodiment of a gastroscopic aid of the present invention;

FIG. 2 is a schematic structural view of the gastroscopic aid of FIG. 1 in a ready state;

FIG. 3 is a schematic view of the retaining ring of FIG. 1;

FIG. 4 is a schematic view of another embodiment of the gastroscopic aid of the present invention showing the valve flap in an open position;

FIG. 5 is a schematic view of the valve flap of FIG. 4 in a closed position;

FIG. 6 is a schematic flow chart illustrating a method of using the gastroscopic aid of the present invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a gastroscope auxiliary device.

In an embodiment of the present invention, as shown in fig. 1 to 3, the gastroscopic aid includes a supporter 100, a protective layer 200 and a pump (not shown in the drawings); a channel is formed in the middle of the support 100, and the support 100 is used for being bitten by teeth; the protective layer 200 is tubular, the protective layer 200 is a flexible protective layer 200, the protective layer 200 has a head end 210 and a tail end 220, the head end 210 of the protective layer 200 is connected with the support 100, the diameter of the protective layer 200 gradually decreases from the head end 210 to the tail end 220, the protective layer 200 has a ready state and an extended state, in the ready state, the tail end 220 penetrates through the head end 210, the protective layer 200 forms an inner layer 230 including the tail end 220 and an outer layer 240 including the head end 210, the inner layer 230 is connected with the outer layer 240, and the inner layer 230 is sleeved on the outer layer 240; the protective layer 200 is formed with a working medium channel 250, and the working medium channel 250 extends from the head end 210 to the tail end 220; the protective layer 200 is also provided with a joint 211 communicated with the working medium flow channel 250, and the joint 211 is positioned on the support 100; the pump is connected to the connector 211, and the pump is used for delivering working medium to the working medium channel 250 to drive the protective layer 200 to change from the preparation state to the extension state.

More specifically, the extended state is such that the protective layer 200 is extended to form a channel into which a gastroscope extends. Gastroscope auxiliary device cooperation gastroscope uses, when the patient need carry out the gastroscope and examine, can be with the gastroscope auxiliary device equipment will the tail end 220 of protective layer 200 to wear to establish in the inboard of head end 210, with protective layer 200 adjusts the ready state, will in the patient mouth is put into to eyelidretractor 100, eyelidretractor 100 can supply patient's tooth to sting to hold, is favorable to the patient to keep opening one's mouth the state on the one hand, and on the other hand makes things convenient for patient fixed stay 100, is favorable to the gastroscope to detect and goes on smoothly. Then starting the pump, firstly evacuating the air or working medium in the working medium flow channel 250 by using the pump, then inputting the working medium, wherein the length of the inner layer 230 is longer than that of the outer layer 240 in the preparation state of the protective layer 200, the joint of the inner layer 230 and the outer layer 240 is bent, when the pump inputs the working medium to the bent part, the bent part can be unfolded, so that the bent part is changed towards the direction far away from the head end 210, the length of the outer layer 240 is gradually increased, the length of the inner layer 230 is gradually decreased, and when the inner layer 230 completely disappears, the protective layer 200 is changed into the stretching state. In addition, the diameter of the protective layer 200 decreases gradually from the head end 210 to the tail end 220, facilitating the tail end 220 to pass through the head end 210, and facilitating the protective layer 200 to change from the ready state to the extended state.

During the process of changing the protective layer 200 from the preparation state to the stretching state, the outer layer 240 gradually extends from the mouth of the patient to the stomach of the patient, and during the process of unfolding the protective layer 200, no friction occurs between the protective layer 200 and the esophagus of the patient, and the protective layer stretches in the esophagus in a similar attaching manner, which does not cause damage to the esophagus of the patient. After the protection layer 200 is stretched into the unfolded state, the gastroscope device can be stretched into a channel formed by the protection layer 200 from the supporter 100, the gastroscope device is prevented from being directly contacted with the esophagus of a patient, the esophagus is prevented from being scratched by the gastroscope device, discomfort of the patient is greatly reduced, and the protection layer 200 can effectively play a role in protection.

Further, as shown in fig. 1, in this embodiment, the working medium channel 250 extends in a spiral shape, one end of the working medium channel 250 is located at the head end 210 of the protection layer 200, and the other end is located at the tail end 220 of the protection layer 200. The helical working medium channel 250 is beneficial to radially expanding the protective layer 200, facilitating the protective layer 200 to be converted into an unfolded state, and facilitating the gastroscope device to extend into the protective layer 200. Certainly, the working medium flow channel 250 in this embodiment is not limited to a spiral shape, and in other embodiments, the working medium flow channel may be distributed in a network shape, and the working medium flow channel extends from the head end of the protection layer to the tail end of the protection layer; the working medium flow channel can also be in a branch shape, and the working medium flow channel extends from the head end of the protective layer to the tail end of the protective layer.

Further, as shown in fig. 1 and fig. 2, in this embodiment, the protection layer 200 further forms a plurality of branch runners 260, the branch runners 260 extend along the axial direction of the protection layer 200, the branch runners 260 and the working medium runners 250 have at least two intersection points, and at the intersection points, the working medium runners 250 are communicated with the branch runners 260. On one hand, the branch flow channel 260 enables other communication channels to be arranged among all parts of the spiral working medium flow channel 250, so that the condition that the whole protective layer 200 is invalid due to partial blockage of the working medium flow channel 250 can be effectively avoided; in addition, when the working medium flows into the branch flow channel 260 and the connection position of the inner layer 230 and the outer layer 240 is located at the branch flow channel 260, the branch flow channel 260 is filled with the working medium and can also drive the protective layer 200 to change in the unfolding state, and the branch flow channel 260 and the working medium flow channel 250 can act together to enhance the driving force of the working medium. The branch flow channel 260 described in this embodiment is not limited to the above technical solution, and in other embodiments, one end of the branch flow channel may be communicated with the working medium flow channel, and the working medium may flow into the branch flow channel from the working medium flow channel, so that the branch flow channel also has an effect of driving the protective layer to extend.

In another embodiment, as shown in fig. 4 and 5, a plurality of check valve flaps 270 are formed in the working medium flow passage 250, and the check valve flaps 270 are arranged along the extending direction of the working medium flow passage 250. Specifically, the valve flap 270 has flexibility, the edge of the valve flap 270 is partially connected to the inner sidewall of the working medium flow channel 250, the valve flap 270 is S-shaped, the valve flap 270 is composed of a first C-shaped portion 271 and a second C-shaped portion 272, the protruding directions of the first C-shaped portion 271 and the second C-shaped portion 272 are opposite, one end of the first C-shaped portion 271 is connected to one end of the second C-shaped portion 272, the other end of the first C-shaped portion 271 is flexibly connected to the wall of the working medium flow channel 250, the working medium in the working medium flow channel 250 has a supply direction, and when the valve flap 270 is in a closed state, the protruding direction of the second C-shaped portion 272 is consistent with the supply direction. When the working medium is supplied, the valve flap 270 is in an open state, at the moment, the free end of the second C-shaped portion 272 tilts relative to the wall surface of the working medium flow channel 250, when the working medium flows reversely, the working medium impacts the tilted part of the second C-shaped portion 272 to drive the valve flap 270 to rotate until the free end of the second C-shaped portion 272 is abutted against the wall surface of the working medium flow channel 250, so that the closed state is reached, and the valve flap has the effect of preventing the working medium from flowing reversely.

In another embodiment, the protective layer further forms a pressure relief flow channel, a first end of the pressure relief flow channel is located at the tail end of the protective layer, the first end is communicated with the tail end of the working medium flow channel, a second end of the pressure relief flow channel is located at the head end of the protective layer, and the second end is provided with a sealing valve which can be opened and closed. When a patient performs gastroscopy, the unfolding progress of the protective layer needs to be controlled according to the state of the patient, for example, when the protective layer extends into the physiological narrow part of the esophagus, the patient needs to coordinate with swallowing action. When the unfolding is required to be suspended, the pump stops working, the check valve can prevent the working medium from flowing back, and the unfolding progress of the protective layer is stabilized. After the gastroscope examination is finished, the sealing valve at the second end is opened, the working medium is pumped out by adopting another pump, and the filling of the working medium is lost, so that the whole protective layer is softer, and the gastroscope and the protective layer can be conveniently taken out from the body of a patient.

In this embodiment, the branch flow channel 260 and the working medium flow channel 250 are both formed inside the wall of the protection layer 200, and the branch flow channel 260 is filled with the working medium without affecting the smoothness of the surface of the protection layer 200, so as to avoid obstructing the gastroscope from extending into the protection layer 200. Certainly, the branch flow channel 260 and the working medium flow channel 250 described in this embodiment are not limited to the above-mentioned positions, but in other embodiments, the working medium flow channel and the branch flow channel may be formed on the inner side surface of the protection layer, which has the advantage of convenient processing.

In the present embodiment, the protection layer 200 is made of a transparent skin-friendly material, and the protection layer 200 has radial elasticity. The protective layer 200 is transparent so that the patient can see the condition of the esophagus when performing a gastroscopy. More specifically, the protective layer 200 has no elasticity or micro-elasticity in the axial direction, and when the gastroscope device extends into the protective layer 200, the gastroscope device and the protective layer 200 are rubbed to prevent the gastroscope device from elongating the protective layer 200, thereby causing friction between the protective layer 200 and the esophagus. The radial flexibility of the protective layer 200 facilitates movement of the gastroscopic device within the protective layer 200, particularly when a turn is desired, and allows the gastroscopic device to expand the protective layer 200 before passing through.

In this embodiment, as shown in fig. 1 and fig. 2, the protection layer 200 is provided with a vent 280, the vent 280 penetrates through the wall of the protection layer 200, the vent 280 and the working medium flow channel 250 are arranged in a staggered manner, and the gastroscope auxiliary device further comprises a waterproof breathable film, wherein the waterproof breathable film covers the vent 280, and more specifically, the waterproof breathable film covers the outer surface of the protection layer 200. The air holes 280 can effectively prevent the protective layer 200 from blocking the trachea to cause the breathing difficulty of the patient. When a patient is subjected to gastroscopy, the waterproof breathable film has the effect of isolating the gastroscope device from the esophagus, and the gastroscope device is prevented from scratching the esophagus through the air holes 280.

In the present embodiment, as shown in fig. 1 to 3, the supporter 100 includes: the barrel comprises a barrel part 110 and a fixing ring 130, wherein two ends of the barrel part 110 are communicated, one end of the barrel part 110 is provided with an outward flange 120, and the inner side edge of the outward flange 120 forms a step part 121; the fixing ring 130 is matched with the step part 121, the fixing ring 130 is detachably arranged in the step part 121, and the fixing ring 130 is provided with a notch 131; the edge of the head end 210 of the protective layer 200 is provided with a convex rib 290, the thickness of the convex rib 290 is greater than that of the protective layer 200, when the gastroscope auxiliary device works, the fixing ring 130 is arranged in the step part 121, the head end 210 is arranged between the step part 121 and the fixing ring 130, the convex rib 290 is positioned outside the step part 121, and the joint 211 is positioned at the notch 131. The notch 131 is used for avoiding the joint 211, and the working medium flow channel 250 is prevented from being extruded by the fixing ring 130. The protective layer 200 is connected with the support 100 in a detachable manner, which is beneficial to replacing the protective layer 200 or the support 100. When the patient is using gastroscope auxiliary device carries out the gastroscope operation, the gastroscope device stretches into in the protective layer 200, can be right the protective layer 200 takes place the friction to give protective layer 200 and apply the pulling force that advances to patient's stomach, protruding muscle 290 can with gu fixed ring 130 and flanging 120 butt has the fixed protective layer 200's effect, prevent protective layer 200 is taken to the stomach by the gastroscope device.

In this embodiment, as shown in fig. 1, the tail end 220 is provided with an elastic snap ring 221, and the elastic snap ring 221 is used for sleeving the tail end 220 with a gastroscope. After the gastroscope device stretched into patient's stomach, elastic clasp 221 cover card is at the tip of gastroscope, when the gastroscope device looked up the stomach and need taken out, the pump cooperation was taken the working medium in the working medium runner 250 out, then took out the gastroscope device, and the gastroscope device will protective layer 200 carries out the esophagus, at the in-process that the gastroscope device was taken out, protective layer 200 can keep apart between most gastroscope device and esophagus equally, has the effect of protection esophagus.

In this embodiment, the wall of the protection layer 200 is embedded with a transparent nylon thread, and the nylon thread extends spirally from the head end 210 to the tail end 220. The nylon thread is used for preventing the protective layer 200 from being broken and being incapable of being taken out, and the using safety performance of the gastroscope auxiliary device is improved.

The invention also provides a using method of the gastroscope auxiliary device, and the using method of the gastroscope auxiliary device, wherein the gastroscope auxiliary device is as described above, and the working medium is water; as shown in fig. 6, the method of using the gastroscopic aid includes the steps of:

s1, controlling the head end of the protective layer to be installed on the support;

s2 controlling the protective stack to be in a ready state;

s3, controlling the pump to be connected with the connector, controlling the pump to suck firstly, and then pumping working medium into the working medium flow channel, so that the protective layer is changed from the preparation state to the extension state.

Specifically, when a patient needs to perform gastroscopy, the head end 210 of the protective layer 200 is firstly installed on the support 100, the position of the fixing ring 130 is well adjusted, then the protective layer 200 is stacked into a preparation state, the patient lies on an inclined operating table, the support 100 is placed in the mouth of the patient, the pump is in butt joint with the joint 211 of the protective layer 200, then the pump is controlled to evacuate air in the working medium flow channel 250 so as to avoid influencing the injection of the working medium into the working medium flow channel 250, after the preparation, the pump injects water into the working medium flow channel 250, when the protective layer 200 extends to the physiological stenosis of the esophagus, the patient coordinates with swallowing action, at the moment, the pump increases power and increases the pressure in the working medium flow channel 250, so that the protective layer 200 passes through the physiological stenosis, and after the protective layer 200 extends to the extension state, the gastroscope device passes through the barrel part 110 of the support 100, and then into the protective layer 200, the side surfaces of the gastroscopic device may be coated with an edible lubricant to facilitate passage of the gastroscopic device through the protective layer 200 and into the stomach. After the gastric band detection is finished, firstly, the gastroscope device is partially drawn back, so that the protective layer 200 is folded into the preparation state, and then another pump is connected with the pressure relief flow passage, so that the gastroscope device is drawn out while working medium is drawn out.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A gastroscopic assistance device comprising:

2. The gastroscopic assistance device of claim 1 wherein said working fluid flow passage extends helically.

3. The gastroscopic assistance device according to claim 2, wherein the protective layer is further formed with a plurality of branch flow passages extending in the axial direction of the protective layer, one end of the branch flow passage communicating with the working fluid flow passage, or the branch flow passage and the working fluid flow passage have at least two intersections where the working fluid flow passage communicates with the branch flow passage.

4. The gastroscopic assistance device of claim 3 wherein the branch flow passage and the working fluid flow passage are both formed inside the wall of the protective layer.

5. The gastroscopic assistance device of claim 1 wherein said protective layer is made of a transparent skin friendly material, said protective layer having radial elasticity.

6. The gastroscope aid device according to claim 1, wherein the protective layer is provided with air holes which penetrate through the wall of the protective layer, the air holes are arranged in a staggered manner with the working medium flow passage, and the gastroscope aid device further comprises a waterproof breathable film which covers the air holes.

7. The gastroscopic assistance device of claim 1 wherein said buttress includes:

8. The gastroscopic aid of claim 1 wherein the tail end is provided with a snap ring for placing the tail end over the gastroscope.

9. A gastroscopic aid according to any one of claims 1 to 8 wherein the protective layer has transparent nylon thread embedded in the wall thereof, said nylon thread extending helically from said leading end to said trailing end.

10. A method for using a gastroscopic aid device according to any one of claims 1 to 9 wherein said working fluid is air or water; the use method of the gastroscope aid device comprises the following steps:

controlling the head end of the protective layer to be arranged on the support;

controlling the protective stack to a ready state;