Tympanic membrane ventilation pipe

Abstract

The utility model discloses a tympanic membrane ventilation pipe which comprises a pipe body, a ventilation pipe body and a ventilation pipe body. The first limiting part is arranged at the upper end of the tube body and used for limiting the interior of the tympanic membrane; the second limiting part is arranged at the lower end of the tube body and used for limiting the exterior of the tympanic membrane, the second limiting part comprises a left limiting strip and a right limiting strip, and a clamping cake is arranged on the right limiting strip. A marking layer is arranged outside the clamping cake, and the marking layer is one or combination of more of a reflective coating, a metal coating and a magnetic coating. The first limiting part is symmetrically arranged in a flow guide groove in the pipe body, and an arc-shaped opening is formed in the center of the flow guide groove. And a slope is arranged at the end part of the diversion trench. The left limiting strip and the right limiting strip are adopted to form the second limiting part, the situation that the tympanic membrane ventilation pipe falls into the middle ear is effectively eradicated, the pipe body is short, the blocking phenomenon is effectively avoided, meanwhile, the ventilation holes are additionally formed in the side portion of the pipe body, and the situation that ventilation cannot be achieved due to pipe body blocking is further avoided.

Description

Technical Field

[0001] The utility model relates to the field of tympanic membrane ventilation structures, in particular to a tympanic membrane ventilation tube. Background Art

[0002] Patients with otitis media often have a large amount of secretions in the ear canal, which can cause blockage and lead to hearing loss, fluid accumulation, tinnitus, and infection. Tympanostomy tubes are currently the main treatment option. They are placed on the eardrum to maintain patency of the internal and external ear canals, maintain pressure balance, and drain ear fluid.

[0003] Publication number CN2912576Y discloses a T-shaped tympanic membrane ventilation tube. Figure 1 As shown, it includes a tentacle 1 and a tube body 2. The tentacle 1 is provided at the head of the tube body 2, and there is a channel inside the tube body 2. The tube body 2 and the tentacle 1 are connected in a T shape, and a tail line 3 is provided at the tail of the tube body 2.

[0004] Publication number is that Chinese patent CN2726580Y discloses tympanic membrane ventilation tube, such as Figure 2 As shown, it includes a tube body 2, which is approximately dumbbell-shaped, with an inner diameter of 1.6 to 1.8 mm, an outer diameter of 1.7 to 1.9 mm, and a height of 0.5 to 2.0 mm. Both ends of the tube body 2 are annular edges 4 with a width of 0.7 to 0.8 mm extending vertically outward from the tube wall, and the groove depth between the two edges is 0.6 to 0.7 mm.

[0005] The above two ventilation tubes are currently commonly used ventilation tube structures. The current ventilation tube structure is inconvenient to place when in use. It is not convenient to place it on the eardrum and it is easy to fall into the tympanic cavity. In addition, it is difficult to find when taking it out, resulting in inconvenience in use. Utility Model Content

[0006] The utility model aims to provide a tympanic membrane ventilation tube to solve the problems of the existing tympanic membrane ventilation tube being difficult to clamp, difficult to find, easy to be blocked and easy to fall off.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a tympanic membrane ventilation tube, comprising:

[0008] The tube body is provided with a through hole inside;

[0009] A first limiting portion is provided at the upper end of the tube body and is used for limiting the position inside the eardrum;

[0010] The second limiting part is set at the lower end of the tube body and is used to limit the outside of the eardrum. The second limiting part includes a left limiting strip and a right limiting strip. The right limiting strip is provided with a biscuit. The whole is made of inert material silicone rubber.

[0011] As a further improvement of the above technical solution:

[0012] A marking layer is provided on the outside of the sandwich, and the marking layer is a combination of one or more of a reflective coating, a metal coating, and a magnetic coating.

[0013] The first limiting portion is symmetrically arranged on the guide groove on the tube body, and an arc-shaped opening is arranged at the center of the guide groove.

[0014] The end of the guide groove is provided with a slope.

[0015] The first limiting portion includes an upper ring, and a lower ring is provided between the left limiting strip and the right limiting strip. The upper ring is provided at the upper end of the tube body, and the lower ring is provided at the lower end of the tube body.

[0016] The outer diameter of the upper ring is smaller than the outer diameter of the lower ring, and the outer diameter of the upper ring ranges from 2.3 mm to 3 mm.

[0017] The length ratio of the left limiting strip to the right limiting strip is 1:4-1:6.

[0018] The length of the guide groove ranges from 7 mm to 13 mm.

[0019] The lower part of the tube body is provided with ventilation holes, and a plurality of ventilation holes are arranged on the tube body, and the ventilation holes are communicated with the through-type through holes.

[0020] The length of the tube body ranges from 2.1 mm to 3.4 mm, and the inner diameter of the tube body ranges from 1 mm to 1.5 mm.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] This new tympanic membrane ventilation tube utilizes a left-side and right-side limiting strips to form a second limiting portion, effectively preventing the tube from falling into the middle ear. The tube's short length effectively prevents clogging, while additional ventilation holes on the sides further prevent blockages. A clamping cookie is attached to the limiting strips for easy placement and removal, and a marking layer is provided on the cookie for easy identification within the ear. The overall design is convenient and highly secure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of a T-shaped tympanic membrane ventilation tube in the prior art;

[0024] Figure 2 This is a schematic diagram of the structure of an I-shaped tympanic membrane ventilation tube in the prior art;

[0025] Figure 3 This is one of the schematic diagrams of the structure of the tympanic membrane ventilation tube in Example 1 of the present utility model;

[0026] Figure 4 This is the second structural diagram of the tympanic membrane ventilation tube according to Example 1 of the present utility model;

[0027] Figure 5 This is one of the schematic diagrams of the structure of the tympanic membrane ventilation tube in Example 2 of the present utility model;

[0028] Figure 6 This is the second structural diagram of the tympanic membrane ventilation tube according to Example 2 of the present utility model;

[0029] Figure 7 For this utility model Figure 6 A in the middle is an enlarged schematic diagram;

[0030] Figure 8 This is one of the schematic diagrams of the vent structure of Example 4 of the present utility model;

[0031] Figure 9 This is the second schematic diagram of the vent structure of Example 4 of the present utility model.

[0032] Figure numerals: 2, tube body; 5, first limiting part; 51, upper ring; 52, lower ring; 6, second limiting part; 61, left limiting strip; 62, right limiting strip; 63, sandwich; 64, marking layer; 7, guide groove; 8, arc-shaped mouth; 9, vent. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0034] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating directions or positions, are based on the directions or positions shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] like Figure 1 As shown, it is a schematic diagram of the structure of a T-shaped tympanic membrane ventilation tube in the prior art, in which a single tail wire structure 3 is provided for clamping.

[0038] like Figure 2 FIG. 1 is a schematic diagram of the structure of an I-shaped tympanic membrane ventilation tube in the prior art.

[0039] The above two are currently commonly used ventilation tube structures. During long-term use, it is found that they have problems such as tube blockage, falling off, and being difficult to find. Example 1

[0040] like Figure 3 and Figure 4 As shown, the tympanic membrane ventilation tube of this embodiment includes:

[0041] The tube body 2 is provided with a through hole inside;

[0042] The first limiting portion 5 is provided at the upper end of the tube body 2 and is used for limiting the position inside the eardrum;

[0043] The second limiting portion 6 is provided at the lower end of the tube body 2 and is used to limit the outside of the eardrum. The second limiting portion 6 includes a left limiting strip 61 and a right limiting strip 62. The right limiting strip 62 is provided with a clamp 63. The first limiting portion 5 is symmetrically provided on the guide groove 7 on the tube body 2. The center of the guide groove 7 is provided with an arc-shaped opening 8. The end of the guide groove 7 is provided with a slope, which facilitates the entry of ear endocrine fluid, allowing the secretion fluid to flow from the guide groove 7 to the tube body 2. The length of the guide groove 7 ranges from 7 mm to 13 mm. The left limiting strip 61 and the right limiting strip 62 are made of elastic soft material. Example 2

[0044] like Figures 5 and 6 As shown, the tympanic membrane ventilation tube of this embodiment includes:

[0045] The tube body 2 is provided with a through hole inside;

[0046] The upper ring 51 is provided at the upper end of the tube 2 and is used for limiting the position inside the eardrum;

[0047] The lower ring 52 is provided at the lower end of the tube body 2 and is used to limit the outer portion of the eardrum. The lower ring 52 is provided with a left limiting strip 61 and a right limiting strip 62. The right limiting strip 62 is provided with a clamp 63. The arrangement of the clamp 63 facilitates the placement and removal of the entire device and is also convenient for finding.

[0048] The outer diameter of the upper ring 51 is smaller than the outer diameter of the lower ring 52 , and the outer diameter of the upper ring 51 ranges from 2.3 mm to 3 mm.

[0049] In Examples 1 and 2, the length ratio of the left-side limit strip 61 to the right-side limit strip 62 is 1:4-1:6. The length of the tube body 2 ranges from 2.1mm to 3.4mm, and the inner diameter of the tube body 2 ranges from 1mm to 1.5mm. The left-side limit strip 61 is used for clamping and placement, while the right-side limit strip 62 is primarily used for easier searching. Example 3

[0050] like Figure 7 As shown, based on Example 1 or 2, a marking layer 64 is provided on the outside of the sandwich 63. The marking layer 64 is a combination of one or more of a reflective coating, a metal coating, and a magnetic coating. The provision of the marking layer 64 facilitates the operator to find relevant structures in the ear. Example 4

[0051] like Figure 8 and Figure 9 As shown, the lower part of the tube body 2 is provided with ventilation holes 9, and a plurality of ventilation holes 9 are arranged on the tube body 2, and the ventilation holes 9 are connected with the through-type through holes. The arrangement of the ventilation holes 9 can still ensure the ventilation effect when the through-type through holes are blocked.

[0052] The above embodiment ensures convenience during use and prevents the ventilation tube from falling into the middle ear. The setting of the limit strip on the right side makes it easy for the user to find the ventilation tube in the ear and facilitates quick finding and removal.

[0053] The above is only an embodiment of the present invention, and common knowledge such as the specific structure and characteristics of the scheme are not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claim involved.

Claims

1. A tympanic membrane ventilation tube, characterized in that: include: The tube body (2) is provided with a through hole inside; A first limiting portion (5) is provided at the upper end of the tube body (2) and is used for limiting the position inside the eardrum; The second limiting portion (6) is provided at the lower end of the tube body (2) and is used for limiting the outside of the eardrum. The second limiting portion (6) includes a left limiting strip (61) and a right limiting strip (62). A clamp (63) is provided on the right limiting strip (62).

2. The tympanic membrane ventilation tube according to claim 1, wherein: A marking layer (64) is provided on the outside of the sandwich (63), and the marking layer (64) is a combination of one or more of a reflective coating, a metal coating, and a magnetic coating.

3. The tympanic membrane ventilation tube according to claim 1 or 2, characterized in that: The first limiting portion (5) is symmetrically arranged on the guide groove (7) on the tube body (2), and an arc-shaped opening (8) is provided at the center of the guide groove (7).

4. The tympanic membrane ventilation tube according to claim 3, wherein: The end of the guide groove (7) is provided with a slope.

5. The tympanic membrane ventilation tube according to claim 1 or 2, characterized in that: The first limiting portion (5) comprises an upper circular ring (51), a lower circular ring (52) is provided between the left limiting strip (61) and the right limiting strip (62), the upper circular ring (51) is provided at the upper end of the tube body (2), and the lower circular ring (52) is provided at the lower end of the tube body (2).

6. The tympanic membrane ventilation tube according to claim 5, characterized in that: The outer diameter of the upper circular ring (51) is smaller than the outer diameter of the lower circular ring (52), and the outer diameter of the upper circular ring (51) ranges from 2.3 mm to 3 mm.

7. The tympanic membrane ventilation tube according to claim 4 or 6, characterized in that: The length ratio of the left limiting strip (61) to the right limiting strip (62) is 1:4-1:

6.

8. The tympanic membrane ventilation tube according to claim 3, characterized in that: The length of the guide groove (7) ranges from 7 mm to 13 mm.

9. The tympanic membrane ventilation tube according to claim 7, characterized in that: A vent hole (9) is provided at the lower portion of the tube body (2), and a plurality of the vent holes (9) are arranged on the tube body (2), and the vent holes (9) are communicated with the through-type through hole.

10. The tympanic membrane ventilation tube according to claim 1, characterized in that: The length of the tube body (2) ranges from 2.1 mm to 3.4 mm, and the inner diameter of the tube body (2) ranges from 1 mm to 1.5 mm.

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