Tympanic membrane breather pipe with positioning structure

Abstract

The utility model discloses a tympanic membrane breather pipe with a positioning structure, which comprises a breather pipe main body, a positioning mechanism for positioning the breather pipe, a limiting mechanism for assisting in limiting the breather pipe and a dredging mechanism serving as a breather pipe dredging structure, the positioning mechanism is arranged on the side portion of the breather pipe body, the limiting mechanism is arranged at one end of the breather pipe body, and the dredging mechanism is arranged at the end, away from the limiting mechanism, of the breather pipe body. The device is simple in structure, convenient to use, high in fixing stability and high in adaptability, prevents deviation or falling caused by actions of a patient from affecting the treatment effect, is provided with a dredging mechanism, can improve the dredging convenience of the ventilation pipe through a horn-shaped opening structure, and can adaptively deform according to the environment in the ear canal under the action of a deformation groove.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a tympanostomy tube with a positioning structure. Background Art

[0002] In the prior art, in otological diseases, secretory otitis media is a common and frequently-occurring disease, which belongs to a type of non-suppurative otitis media. For patients with recurrent secretory otitis media, due to the poor function of the eustachian tube, the drainage of the tympanic cavity is not smooth, resulting in negative pressure and effusion in the tympanic cavity, thereby causing hearing loss and even more serious sequelae such as adhesive otitis media. Treating non-suppurative otitis media requires placing a tympanostomy tube on the eardrum to balance the pressure inside and outside the tympanic cavity and aspirate the effusion in the tympanic cavity. The T-shaped tympanostomy tube used in hospitals in the past had safety due to its tube length, but it was prone to blockage, and it was not easy to aspirate the effusion in the tympanic cavity after catheterization. If it was cut and used, it was easy to fall into the tympanic cavity and had potential safety hazards. At present, although the commercially available tympanostomy tube can reduce the risk of catheter detachment to a certain extent during use, its fixing effect is poor, and due to its simple long-tube design, the incidence of blockage in clinical applications is relatively high.

[0003] The Chinese utility model patent with the application number 201821112739.1 discloses a bilaterally clamped and fixed tympanostomy tube, which includes a soft tube. On opposite sides of one end of the soft tube, first limiting strips are respectively vertically arranged. On the soft tube inside the first limiting strips, a limiting strip receiving groove is opened. At a distance of 0.2 - 0.4 cm from the first limiting strips in the limiting strip receiving groove, a second limiting strip is also vertically arranged. The depth of the limiting strip receiving groove is greater than or equal to the thickness of the second limiting strip, and the length of the limiting strip receiving groove is also greater than or equal to the length of the second limiting strip. The first limiting strips and the second limiting strips are both soft rubber strips, and the first limiting strips and the second limiting strips on opposite sides can be buckled under external force. In the buckled state, the limiting strips are all arranged along the length direction of the soft tube, and the second limiting strip is clamped in the limiting strip receiving groove. However, this bilaterally clamped and fixed tympanostomy tube requires pre-closing operation on two groups of limiting strips during use, which increases the operation steps and prolongs the operation cycle. It is impossible to directly perform the insertion operation on the tympanostomy tube, and it clamps the eardrum through the elasticity of the limiting strips themselves, and there is a risk of detachment during large-amplitude shaking, and the fixing stability is poor. Its tube structure cannot adaptively deform according to the internal environment of the ear canal, and the adaptability is poor. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a tympanostomy tube with a positioning structure.

[0005] To achieve the above purpose, the technical solution proposed by the utility model is:

[0006] A tympanic ventilation tube with a positioning structure, comprising a ventilation tube main body, the ventilation tube main body is set as a T-shaped ventilation tube structure, and further comprising a positioning mechanism for positioning the ventilation tube, a limiting mechanism for assisting in limiting the ventilation tube, and a dredging mechanism for serving as a dredging structure of the ventilation tube. The positioning mechanism is arranged on the side of the ventilation tube main body, the limiting mechanism is configured at one end of the ventilation tube main body, and the dredging mechanism is arranged at the end of the ventilation tube main body away from the limiting mechanism.

[0007] The ventilation tube main body includes a dredging tube and a diversion strip. The dredging tube is arranged at the tympanic membrane and is inserted into the tympanic membrane. There are two groups of the diversion strips, and the two groups of the diversion strips are symmetrically arranged at one end of the dredging tube and are integrally formed with the dredging tube. The two groups of the diversion strips and the dredging tube are arranged in a T shape and the diversion strips are located in the tympanic cavity.

[0008] The diversion strip is an arc-shaped strip structure, and an arc-shaped avoidance groove is provided at the connection of the two groups of the diversion strips and the dredging tube.

[0009] The positioning mechanism includes a positioning ring and positioning protrusions. The positioning ring is arranged on the side of the dredging tube near the diversion strip and is fixedly connected to the dredging tube. There are several positioning protrusions, and the several positioning protrusions are evenly arranged on the side of the positioning ring near the diversion strip and are fixedly connected to the positioning ring.

[0010] There is a spacing between the positioning ring and the two groups of the diversion strips, and the positioning ring and the dredging tube are arranged perpendicular to each other.

[0011] The limiting mechanism includes a limiting installation strip and a limiting anti-disengagement strip. The limiting installation strip is arranged at the arc-shaped avoidance groove and is fixedly connected to the ventilation tube main body. The limiting installation strip is arranged as an arc-shaped strip structure corresponding to the diversion strip. The limiting anti-disengagement strip is at the end of the limiting installation strip away from the ventilation tube main body, and one end of it is fixedly connected to the limiting installation strip. The limiting anti-disengagement strip and the diversion strip are arranged perpendicular to each other.

[0012] There are two groups of the limiting mechanisms, and the two groups of the limiting mechanisms are symmetrically arranged on both sides of the connection of the diversion strip and the dredging tube. The two groups of the limiting anti-disengagement strips and the two groups of the diversion strips together form a cross positioning structure.

[0013] The dredging mechanism includes a dredging end and a deformation groove. The dredging end is arranged at the end of the dredging tube away from the diversion strip and is fixedly connected to the dredging tube. The dredging end is set as a horn-shaped end structure, and the diameter of the end of the dredging end away from the dredging tube is larger than the diameter of the end of the dredging end close to the dredging tube. The deformation groove is arranged on one side of the dredging end and penetrates the side wall of the dredging end.

[0014] It further includes ventilation holes. There are two groups of the ventilation holes, and the two groups of ventilation holes are symmetrically arranged on both sides of the middle part of the ventilation pipe and penetrate through the ventilation pipe.

[0015] It further includes a nano - coating. The nano - coating is coated on the inner walls of the ventilation pipe, the guiding strip, and the ventilation end. The ventilation pipe, the guiding strip, the positioning ring, the positioning protrusion, the limiting installation strip, the limiting anti - detachment strip, and the ventilation end are all made of silica gel, and the nano - coating is made of anti - sticking nano - materials.

[0016] The beneficial effects of the present utility model are as follows:

[0017] Through the cooperation of the positioning mechanism and the limiting mechanism, the position of the ventilation tube can be doubly fixed, preventing it from shifting or falling off due to the patient's own movements, which affects the treatment effect. The fixing stability is strong. When in use, there is no need to perform pre - operations on the positioning mechanism, and the tympanic ventilation tube can be directly inserted through the insertion device, shortening the operation cycle. There is a dredging mechanism, which can improve the dredging convenience of the ventilation tube through the horn - shaped opening structure, and it can adaptively deform according to the ear canal environment under the action of the deformation groove, with strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a cross - sectional view of the present utility model;

[0020] Figure 3 is a side view of the cooperation between the guiding strip and the limiting anti - detachment strip of the present utility model.

[0021] In the figure: 1, ventilation pipe; 2, guiding strip; 3, positioning ring; 4, positioning protrusion; 5, limiting installation strip; 6, limiting anti - detachment strip; 7, ventilation end; 8, deformation groove; 9, ventilation hole; 10, nano - coating. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following further describes the present utility model in detail with reference to the drawings.

[0023] A tympanic ventilation tube with a positioning structure includes a ventilation tube main body. The ventilation tube main body is set as a T - shaped ventilation tube structure. It further includes a positioning mechanism for positioning the ventilation tube, a limiting mechanism for assisting in limiting the ventilation tube, and a dredging mechanism for serving as the ventilation tube dredging structure. The positioning mechanism is arranged on the side of the ventilation tube main body, the limiting mechanism is configured at one end of the ventilation tube main body, and the dredging mechanism is arranged at the end of the ventilation tube main body far from the limiting mechanism. The schematic diagram of the overall structure of the present utility model is as shown in Figure 1 shown.

[0024] The ventilation tube body includes a dredging tube 1 and a guiding strip 2. The dredging tube 1 is arranged at the eardrum and is inserted into the eardrum. There are two groups of guiding strips 2, and the two groups of guiding strips 2 are symmetrically arranged at one end of the dredging tube 1 and are integrally formed with the dredging tube 1. The two groups of guiding strips 2 and the dredging tube 1 are arranged in a T shape and the guiding strips 2 are located in the tympanic cavity. The guiding strip 2 is an arc-shaped strip structure, and an arc-shaped avoidance groove is provided at the connection between the two groups of guiding strips 2 and the dredging tube 1. The ventilation tube body is formed by the cooperation of the dredging tube 1 and the guiding strip 2, and the structure of the ventilation tube body can meet the ventilation requirements of the patient's tympanic cavity. Among them, the dredging tube 1 is used as the main part of the ventilation tube body to connect the inside and outside of the tympanic cavity to meet the ventilation requirements of the patient's tympanic cavity. The guiding strip 2 is used as a limiting structure on the ventilation tube body to unidirectionally limit the ventilation tube body and the eardrum. The arc-shaped avoidance groove is used to meet the installation requirements during the installation of the ventilation tube. During installation, the two groups of guiding strips 2 can be buckled with each other and inserted into the through hole of the eardrum to realize the installation of the eardrum ventilation tube. The cross-sectional view of the present utility model is as Figure 2 shown.

[0025] The positioning mechanism includes a positioning ring 3 and positioning protrusions 4. The positioning ring 3 is arranged on the side of one end of the dredging tube 1 close to the guiding strip 2 and is fixedly connected to the dredging tube 1. There are several positioning protrusions 4, and the several positioning protrusions 4 are evenly arranged on the side of the positioning ring 3 close to the guiding strip 2 and are fixedly connected to the positioning ring 3. There is a gap between the positioning ring 3 and the two groups of guiding strips 2, and the positioning ring 3 and the dredging tube 1 are arranged perpendicular to each other. The positioning mechanism is formed by the cooperation of the positioning ring 3 and the positioning protrusions 4 to constitute a positioning structure on the ventilation tube to cooperate with the guiding strip 2 to position the ventilation tube. Among them, the positioning ring 3 is used to provide installation support for the positioning protrusions 4 and cooperate with the guiding strip 2 to clamp the eardrum, so as to realize the positioning installation of the ventilation tube. The positioning protrusions 4 are used as the protruding structures on the positioning ring 3 to improve the positioning stability between the positioning ring 3 and the eardrum.

[0026] The limiting mechanism includes a limiting installation strip 5 and a limiting anti-disengagement strip 6. The limiting installation strip 5 is arranged at the arc-shaped avoidance groove and is fixedly connected to the ventilation tube body. The limiting installation strip 5 is arranged as an arc-shaped strip structure corresponding to the guiding strip 2. The limiting anti-disengagement strip 6 is at one end of the limiting installation strip 5 away from the ventilation tube body and one end of it is fixedly connected to the limiting installation strip 5. The limiting anti-disengagement strip 6 and the guiding strip 2 are arranged perpendicular to each other. There are two groups of limiting mechanisms, and the two groups of limiting mechanisms are symmetrically arranged on both sides of the connection between the guiding strip 2 and the dredging tube 1. The two groups of limiting anti-disengagement strips 6 and the two groups of guiding strips 2 together form a cross positioning structure. The limiting mechanism cooperates with the limiting installation strip 5 and the limiting anti-disengagement strip 6 to assist in limiting the eardrum ventilation tube. Among them, the limiting installation strip 5 is used to provide installation support for the limiting anti-disengagement strip 6, and the limiting anti-disengagement strip 6 is used to jointly form a limiting structure with the limiting installation strip 5 to assist in limiting the eardrum ventilation tube in cooperation with the positioning mechanism. The side view of the cooperation between the guiding strip 2 and the limiting anti-disengagement strip 6 of the present utility model is asFigure 3 as shown

[0027] The dredging mechanism includes a dredging end 7 and a deformation groove 8. The dredging end 7 is arranged at one end of the dredging pipe 1 away from the guide strip 2 and is fixedly connected to the dredging pipe 1. The dredging end 7 is set as a horn-shaped end structure, and the diameter of the end away from the dredging pipe 1 is larger than that of the end close to the conveying dredging pipe 1. The deformation groove 8 is arranged on one side of the dredging end 7 and penetrates the side wall of the dredging end 7. The dredging mechanism is matched by the dredging end 7 and the deformation groove 8 to form a dredging structure at the end of the ventilation pipe, which is convenient for the user to dredge the inside of the ventilation pipe. Among them, the horn-shaped structure of the dredging end 7 can facilitate the user to dredge the inside of the ventilation pipe. The deformation groove 8 is used as a deformation structure on the dredging end 7 to meet the deformation requirements of the dredging end 7. Under the action of the deformation groove 8, the dredging end 7 can be adaptively deformed according to the internal environment of the ear canal.

[0028] It also includes dredging holes 9. There are two groups of dredging holes 9, which are symmetrically arranged on both sides of the middle of the dredging pipe 1 and penetrate the dredging pipe 1. Among them, the dredging holes 9 are used as dredging structures on the dredging pipe 1 to meet the dredging requirements of the dredging pipe 1 and prevent the dredging pipe 1 from being blocked.

[0029] It also includes a nano-coating 10. The nano-coating 10 is coated on the inner walls of the dredging pipe 1, the guide strip 2 and the dredging end 7. The dredging pipe 1, the guide strip 2, the positioning ring 3, the positioning protrusion 4, the limit installation strip 5, the limit anti-disengagement strip 6 and the dredging end 7 are all made of silica gel. The nano-coating 10 is made of an anti-adhesive nano material. Among them, the nano-coating 10 can be selected from the existing nano-coatings 10 that meet the medical standards and have anti-adhesive properties in the prior art. It can effectively improve the permeability of the ventilation pipe and prevent the secretions in the tympanic cavity from accumulating in the ventilation pipe and causing blockage. The whole ventilation pipe is made of silica gel material to jointly form a soft ventilation pipe structure to meet its use requirements.

[0030] Working principle:

[0031] When the tympanic ventilation tube is to be used, an installation hole is opened on the patient's tympanic membrane. The two groups of flow guide strips 2 are buckled together relatively, and the ventilation tube main body and the limiting mechanism are placed on the ventilation tube inserter. The ventilation tube main body is inserted into the installation hole of the tympanic membrane through the ventilation tube inserter until the positioning mechanism fits with the tympanic membrane. Then the ventilation tube inserter is taken out. After installation, the flow guide strips 2 and the limiting mechanism are located in the tympanic cavity and unfolded to form a cross positioning structure, so as to cooperate with the positioning mechanism to position the ventilation tube. In the installed state, the tympanic ventilation tube can meet the ventilation requirements inside and outside the ear cavity. Under the action of the deformation groove 8, the dredging end 7 can generate adaptive deformation according to the internal environment of the ear canal, so as to improve the fitting degree between the tympanic ventilation tube and the ear canal. Moreover, the secretions in the tympanic cavity can flow out of the tympanic cavity along the tympanic ventilation tube, and the tympanic ventilation tube can be dredged through the dredging end 7.

[0032] The beneficial effects of the present utility model are that through the cooperation of the positioning mechanism and the limiting mechanism, the position of the ventilation tube can be fixed doubly, preventing it from shifting or falling off due to the patient's own actions and affecting the treatment effect. The fixing stability is strong. When in use, there is no need to pre-operate the positioning mechanism, and the tympanic ventilation tube can be directly inserted through the inserting device, shortening the operation cycle. There is a dredging mechanism, which can improve the dredging convenience of the ventilation tube through the horn-shaped opening structure, and it can generate adaptive deformation according to the internal environment of the ear canal under the action of the deformation groove, with strong adaptability.

[0033] The above has described in detail an embodiment of the present utility model, but the content is only the preferred embodiment of the present utility model and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the scope of the application of the present utility model shall still fall within the scope covered by the patent of the present utility model.

Claims

1. A tympanic membrane ventilating tube with a positioning structure, comprising a ventilating tube body, wherein the ventilating tube body is configured as a T-shaped ventilating tube structure, characterized in that: It also includes a positioning mechanism for positioning the vent pipe, a limiting mechanism for auxiliary limiting the vent pipe, and a dredging mechanism used as a vent pipe dredging structure, the positioning mechanism is arranged on the side of the vent pipe body, the limiting mechanism is arranged at one end of the vent pipe body, and the dredging mechanism is arranged at one end of the vent pipe body away from the limiting mechanism; The ventilation pipe body comprises a dredging pipe (1) and a guide strip (2), wherein the dredging pipe (1) is arranged at the tympanic membrane and plugged into the tympanic membrane, and the guide strip (2) is provided in two groups, and the two groups of the guide strips (2) are symmetrically arranged at one end of the dredging pipe (1) and are integrally formed with the dredging pipe (1), and the two groups of the guide strips (2) and the dredging pipe (1) are arranged in a T-shape, and the guide strips (2) are located in the tympanic cavity; The positioning mechanism comprises a positioning ring (3) and a positioning protrusion (4); the positioning ring (3) is arranged on the side of one end of the dredging pipe (1) close to the guide strip (2) and is fixedly connected to the dredging pipe (1); a plurality of positioning protrusions (4) are provided, and the plurality of positioning protrusions (4) are evenly arranged on one side of the positioning ring (3) close to the guide strip (2) and are fixedly connected to the positioning ring (3); The limiting mechanism comprises a limiting mounting strip (5) and a limiting anti-slip strip (6); the limiting mounting strip (5) is arranged at an arc-shaped avoidance groove and is fixedly connected to the ventilation pipe body; the limiting mounting strip (5) is arranged as an arc-shaped strip structure corresponding to the guide strip (2); the limiting anti-slip strip (6) is at one end of the limiting mounting strip (5) away from the ventilation pipe body and one end of the limiting anti-slip strip (6) is fixedly connected to the limiting mounting strip (5); the limiting anti-slip strip (6) and the guide strip (2) are arranged perpendicular to each other.

2. The tympanic membrane ventilation tube with a positioning structure as claimed in claim 1, characterized in that: The guide strip (2) is an arc-shaped strip structure, and arc-shaped avoidance grooves are provided at the connection points between the two groups of guide strips (2) and the dredging pipe (1).

3. The tympanic membrane ventilation tube with a positioning structure as claimed in claim 1, characterized in that: A spacing is left between the positioning ring (3) and the two groups of guide strips (2), and the positioning ring (3) and the dredging pipe (1) are arranged perpendicular to each other.

4. The tympanic membrane ventilation tube with a positioning structure as claimed in claim 1, characterized in that: Two groups of limiting mechanisms are provided, and the two groups of limiting mechanisms are symmetrically arranged on both sides of the connection between the guide strip (2) and the dredging pipe (1). The two groups of limiting anti-slip strips (6) and the two groups of guide strips (2) together form a cross positioning structure.

5. The tympanic membrane ventilation tube with a positioning structure as claimed in claim 4, characterized in that: The dredging mechanism comprises a dredging end (7) and a deformation groove (8); the dredging end (7) is arranged at one end of the dredging pipe (1) away from the guide strip (2) and is fixedly connected to the dredging pipe (1); the dredging end (7) is arranged as a trumpet-shaped end structure and the diameter of the end away from the dredging pipe (1) is larger than the diameter of the end close to the conveying dredging pipe (1); the deformation groove (8) is arranged on one side of the dredging end (7) and passes through the side wall of the dredging end (7).

6. The tympanic membrane ventilation tube with a positioning structure as claimed in claim 5, characterized in that: It also includes dredging holes (9), wherein the dredging holes (9) are provided in two groups, and the two groups of dredging holes (9) are symmetrically arranged on both sides of the middle of the dredging pipe (1) and penetrate the dredging pipe (1).

7. The tympanic membrane ventilation tube with a positioning structure as claimed in claim 6, characterized in that: The invention also comprises a nano coating (10), wherein the nano coating (10) is coated on the inner walls of the dredging tube (1), the guide strip (2) and the dredging end head (7); the dredging tube (1), the guide strip (2), the positioning ring (3), the positioning protrusion (4), the limit installation strip (5), the limit anti-slip strip (6) and the dredging end head (7) are all made of silicone, and the nano coating (10) is made of anti-sticking nano material.

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