Eustachian tube plug tube with support

Abstract

The utility model discloses a Eustachian tube plug tube with a support. The Eustachian tube plug tube comprises a plug tube body and a balloon support. A containing hole is formed in the plug tube body in the axial direction, and the balloon support is arranged in the containing hole. After the plug tube body is guided into a preset position of the Eustachian tube, the stent of the balloon stent is expanded under the action of the balloon, so that the plug tube body is fixed on the Eustachian tube. According to the Eustachian tube plug tube, the plug tube body is fixed to the Eustachian tube through the built-in support, the Eustachian tube plug tube does not need to penetrate through the isthmus of the Eustachian tube and does not need to be fixed to the isthmus of the Eustachian tube, the pain of a patient is relieved, and a doctor can operate the Eustachian tube plug tube easily.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely relates to a eustachian tube plug tube with support. BACKGROUND

[0002] The eustachian tube is located between the nasal cavity and the middle ear cavity, and is shaped like a horn; in normal circumstances, it is in a closed state to prevent autophony; when swallowing, yawning, blowing and other actions, it is opened momentarily to complete the physiological functions of regulating the balance of the pressure in the middle ear, discharging the accumulated fluid in the middle ear and preventing reverse infection.

[0003] Abnormal opening of the eustachian tube is a common disease in the department of otorhinolaryngology, and its typical symptoms include increased autophony, hearing of one's own breathing sound, subjective tinnitus and ear fullness.

[0004] For patients with abnormal opening of the eustachian tube, the commonly used treatment methods include: (1) opening the tympanic cavity and inserting the eustachian tube plug tube, and fixing the eustachian tube plug tube through the isthmus of the eustachian tube; (2) inserting the eustachian tube plug tube through the nasopharynx, and fixing the eustachian tube plug tube through the isthmus of the eustachian tube; in the above treatment methods, the eustachian tube plug tube is fixed through the isthmus of the eustachian tube, and since the isthmus of the eustachian tube is very narrow, only 0.8 mm; the above fixing method requires the eustachian tube plug tube to pass through the isthmus of the eustachian tube, which is very painful for the patient and difficult for the doctor to operate. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a eustachian tube plug tube with a support.

[0006] The utility model discloses a eustachian tube plug tube with a support, which comprises a plug tube body and a balloon support.

[0007] The plug tube body is provided with a receiving hole in the axial direction, and the balloon support is arranged in the receiving hole.

[0008] As a further improvement of the utility model, the balloon support comprises a support, a balloon and a gas delivery assembly, the gas delivery assembly comprises a gas delivery pipe and a connector, the support is sleeved on the balloon, the gas delivery assembly communicates with the inner cavity of the balloon and is used for delivering and releasing gas to the balloon, and the support and the balloon are arranged in the receiving hole of the plug tube body.

[0009] As a further improvement of the utility model, when the plug tube body is introduced into the preset position of the eustachian tube, the support of the balloon support is expanded under the action of the balloon to fix the plug tube body on the eustachian tube.

[0010] As a further improvement of the utility model, the plug pipe body is a conical pipe, and the taper of the plug pipe body is matched with the eustachian tube.

[0011] As a further improvement of the utility model, an annular protrusion is arranged on the outer wall of the containing hole of the plug pipe body.

[0012] As a further improvement of the utility model, the plug pipe body is an implantable silica gel plug pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The eustachian tube plug pipe of the utility model fixes the plug pipe body on the eustachian tube through the built-in support, does not need to pass through the isthmus of the eustachian tube, and does not need to be fixed on the isthmus of the eustachian tube, thereby reducing the pain of the patient and simplifying the operation of the doctor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the eustachian tube plug pipe with a support disclosed by the utility model;

[0016] Figure 2 It is a front view of the eustachian tube plug pipe with a support; Figure 1

[0017] Figure 3 It is a side view of the eustachian tube plug pipe with a support; Figure 1

[0018] It is an A-A sectional view of the eustachian tube plug pipe with a support; Figure 4 Figure 2 It is a structure schematic view of the balloon and the gas delivery assembly supplemented on the basis of the eustachian tube plug pipe with a support.

[0019] Figure 5 In the drawings: Figure 4

[0020] Fig. 10 is a perspective view of the eustachian tube plug pipe with a support;

[0021] 10, plug pipe body; 11, containing hole; 12, protrusion; 20, balloon support; 21, support; 22, balloon; 23, gas delivery assembly. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] The utility model will be described in further detail below in combination with the drawings:​​​

[0024] As Figures 1 to 5 shown, the utility model provides a with support's Eustachian tube plug, include: plug body 10 and balloon stent 20, need to explain the balloon stent 20 of attached Figure 3 、 4 in the balloon of balloon stent 20 is omitted, only the support of balloon stent 20 is retained;Attached Figure 5 in the balloon and the related structure of gas delivery assembly are given;Among them,

[0025] The plug body 10 of the utility model is a conical tube matched with the Eustachian tube or a profiled tube of the Eustachian tube, the plug body 10 is axially provided with a containing hole 11 for containing the balloon stent 20, the depth of the containing hole 11 is greater than 1 / 2 of the overall length of the plug body 10, preferably the depth D of the containing hole 11 is between L / 2 and 3L / 4, L is the overall length of the plug body 10; most preferably the depth D of the containing hole 11 is 2L / 3; the above depth is set to ensure that the center of the support is located near the center of the plug body 10 after the balloon stent 20 is put in. The utility model is provided with an annular protrusion 13 on the outer wall of the containing hole of the plug body 10 to facilitate the doctor to hold the plug body 10. The plug body 10 is selected to be implantable silicone plug, and the size can be selected according to actual needs, such as the outer diameter of 2.5-8mm and the length of 15-40mm. Since the material of the plug body 10 is silicone, the wall thickness at the containing hole 11 can be selected according to actual needs to meet the following conditions: ① the balloon stent 20 can be smoothly placed; ② when the balloon of the balloon stent 20 inflates in the containing hole 11, the support can be contacted and lifted outward to make the plug body 10 deform at the position supported by the support and the outer diameter become larger, so that the plug body 10 is fixed on the Eustachian tube under the action of the support.

[0026] The balloon stent 20 of the utility model comprises a support 21, a balloon 22 and a gas delivery assembly 23, the gas delivery assembly 23 comprises a gas delivery tube and an interface; the support 21 is sleeved on the balloon 22, and the gas delivery assembly 23 communicates with the inner cavity of the balloon 22 and is used for gas delivery and degassing of the balloon 22; when in use, the support 21 and the balloon 22 are placed in the containing hole 11 of the plug body 10, and the selection of the balloon stent 20 needs to meet the following conditions: ① in the state that the balloon is not inflated, it can be smoothly introduced into the containing hole 11; ② after the balloon 22 of the balloon stent 20 inflates, it inflates in the containing hole 11, contacts and lifts the support 21 outward to make the plug body 10 deform at the position supported by the support and the outer diameter become larger, and then the balloon 22 deflates and exits the containing hole 11, only the lifted support 21 and the plug body 10 are fixed on the Eustachian tube.

[0027] The use method of the utility model comprises:

[0028] The doctor guides the plug tube body 10 with the balloon stent 20 into the eustachian tube, inflates the balloon 22 of the balloon stent, expands the balloon 22, and props open the stent 21 to fix the plug tube body 10 on the eustachian tube; after the fixing is completed, the balloon is deflated, the balloon is withdrawn, and the operation is completed.

[0029] The utility model has the advantages of:

[0030] The eustachian tube plug tube of the utility model fixes the plug tube body on the eustachian tube through the built-in stent, does not need to pass through the isthmus of the eustachian tube, does not need to be fixed on the isthmus of the eustachian tube, alleviates the pain of the patient, and is simple for the doctor to operate.

[0031] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model. For the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A Eustachian tube plug with a bracket, characterized in that: include: The plug tube body and the balloon stent; The plug tube body is provided with a receiving hole in the axial direction, and the balloon stent is placed in the receiving hole; The balloon stent includes a stent, a balloon and a gas delivery component, the gas delivery component includes a gas delivery tube and an interface; the stent is sleeved on the balloon, and the gas delivery component is connected to the inner cavity of the balloon for delivering gas to and deflating the balloon; the stent and balloon are placed in the accommodating hole of the plug tube body.

2. The Eustachian tube plug with a bracket according to claim 1, characterized in that: When the plug tube body is introduced into the preset position of the Eustachian tube, the support of the balloon support is expanded under the action of the balloon to fix the plug tube body on the Eustachian tube.

3. The Eustachian tube plug with a bracket according to any one of claims 1 to 2, characterized in that: The plug tube body is a tapered tube, and the taper of the plug tube body matches the Eustachian tube.

4. The Eustachian tube plug with a bracket according to any one of claims 1 to 2, characterized in that: An annular protrusion is provided on the outer wall of the accommodating hole of the plug tube body.

5. The Eustachian tube plug with a bracket according to any one of claims 1 to 2, characterized in that: The plug tube body is an implantable silicone plug tube.

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