Silica gel tympanic membrane indwelling catheter

Abstract

The utility model relates to a silica gel tympanic membrane indwelling catheter which comprises an indwelling catheter body and a binding belt, the indwelling catheter body comprises a hollow cylindrical straight pipe and two blades, and the two blades are integrally connected with the inner end of the hollow cylindrical straight pipe and are vertically folded outwards in a symmetrical mode relative to the hollow cylindrical straight pipe when not subjected to external force; the binding belt is used for being bound to the two bound blades when the two blades are bent and bound so that the indwelling catheter body can be plugged into a tympanic membrane opening of a patient when the blades are in a bound state, the binding belt disintegrates automatically after making contact with interstitial fluid in a tympanic chamber, and the blades can be elastically unfolded and fixed on the inner side of the tympanic membrane (in the tympanic chamber) after passing through the tympanic membrane opening. According to the silica gel tympanic membrane indwelling catheter, the blades are bundled through the bundling belts in advance, after the blades of the silica gel indwelling catheter enter the tympanic membrane opening holes, the blade bundling belts are automatically disintegrated, the blades are automatically unfolded and fixed, in-ear operation of the silica gel tympanic membrane indwelling catheter is greatly facilitated, and the treatment experience of a patient is improved.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a silicone tympanic membrane placement tube. Background Art

[0002] Existing tympanostomy tubes include a cylindrical straight tube body and a forked blade at the head end. When a patient needs ear canal treatment, a hole is first made in the tympanic membrane, and then the blades are clamped and gathered with forceps and inserted into the tympanic membrane hole. In actual operation, there are often problems such as the blades being too long to be inserted smoothly, the tympanic membrane incision being enlarged, and the blades being unable to be well unfolded and fixed in the narrow tympanic cavity. Utility Model Content

[0003] The present application provides a silicone tympanic membrane insertion tube to solve the technical problems in the background art that the blade is often too long to be smoothly inserted, the tympanic membrane incision is enlarged, and the blade cannot be well unfolded and fixed in the narrow tympanic cavity.

[0004] In order to solve the above technical problems, a technical solution adopted in the present application is to provide a silicone tympanic membrane placement tube, the silicone tympanic membrane placement tube comprising:

[0005] A tube body, the tube body comprising a hollow cylindrical straight tube and two blades, the two blades being integrally connected to the inner end of the hollow cylindrical straight tube and folding vertically outward in a symmetrical shape relative to the hollow cylindrical straight tube when no external force is applied;

[0006] The binding band is used to tie the two blades together when the two blades are bent and bound together so that the tube body can be inserted into the patient's tympanic membrane opening when the blades are in the bound state. The blade binding band disintegrates automatically after contacting the tissue fluid in the tympanic cavity, so that the blades can be elastically unfolded and fixed by themselves.

[0007] Preferably, the constricting band is absorbable and degradable gelatin sponge.

[0008] Preferably, each of the blades includes a first plate body and a second plate body which are sequentially connected to the hollow cylindrical straight tube.

[0009] Preferably, the thickness of the connection area between the first sheet and the second sheet is less than or equal to the thickness of the first sheet.

[0010] Preferably, a notch is provided in a connection area between the first sheet and the second sheet so that the first sheet can be easily bent relative to the second sheet.

[0011] Preferably, the two first sheets are close to each other in the axial direction of the hollow cylindrical straight tube, and the two second sheets are folded back and leaned against the back surfaces of the two first sheets respectively.

[0012] Preferably, there is one gathering belt which is bound to the outer periphery of the two second sheet bodies.

[0013] Preferably, there are two gathering belts which are respectively bound to the outer peripheries of the two first sheet bodies and the outer peripheries of the two second sheet bodies.

[0014] Preferably, the two blades are folded back and lean against the outer peripheral wall of the hollow cylindrical straight pipe, and the gathering belt holds the blades on the outer peripheral wall of the hollow cylindrical straight pipe, or the two blades are coiled back in the axial direction of the hollow cylindrical straight pipe and fixed by the gathering belt.

[0015] Preferably, the two first sheet bodies approach each other on the outer peripheral wall of the hollow cylindrical straight pipe, and the two second sheet bodies are respectively folded back towards the opposite side surfaces of the two first sheet bodies, and the gathering belt is bound to the outer peripheries of the two second sheet bodies.

[0016] The beneficial effect of the present application is that the silicone tympanostomy tube provided by the present application greatly facilitates the ear insertion operation of the silicone tympanostomy tube and improves the treatment experience of patients because the blades are gathered in advance by the gathering belt. Brief Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings. Among them:

[0018] Figure 1 is a three-dimensional structural schematic diagram of the silicone tympanostomy tube provided by the first embodiment of the present application;

[0019] Figure 2 is a three-dimensional structural schematic diagram of the silicone tympanostomy tube provided by the second embodiment of the present application;

[0020] Figure 3 is a three-dimensional structural schematic diagram of the silicone tympanostomy tube provided by the third embodiment of the present application;

[0021] Figure 4 is a three-dimensional structural schematic diagram of the silicone tympanostomy tube provided by the fourth embodiment of the present application;

[0022] Figure 5 is a three-dimensional structural schematic diagram of the silicone tympanostomy tube provided by the fifth embodiment of the present application.

[0023] Description of the Reference Numerals: 10, catheter body; 20, gathering belt; 110, hollow cylindrical straight pipe; 120, blade; 121, first sheet body; 122, second sheet body; 123, connection area. Detailed implementation mode

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0025] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0026] In addition, if there are descriptions such as "first", "second", etc. involved in the embodiments of the present application, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0027] As Figures 1 to 4 shown, the embodiment of the present application provides a silicone tympanostomy tube, and the silicone tympanostomy tube includes a tube body 10 and a constriction band 20.

[0028] Among them, the tube body 10 is formed of a silicone material and includes a hollow cylindrical straight tube 110 and two blades 120. The hollow cylindrical straight tube 110 has an inner end (also known as the ear-in end) and an outer end. The two blades 120 are integrally connected to the inner end of the hollow cylindrical straight tube 110 and are vertically folded outward symmetrically with respect to the hollow cylindrical straight tube 110 when not subjected to external forces. The vertical outward folding described here does not specifically refer to 90 degrees. The actual situation can be the case of an acute angle connection or an obtuse angle connection. That is to say, the blades 120 are integrally connected to the inner end of the hollow cylindrical straight tube 110 and can be approximately 70 degrees to 110 degrees when not subjected to external forces.

[0029] The gathering belt 20 is used to be tied to the two gathered blades 120 when the two blades 120 are bent and gathered, so as to facilitate the insertion of the catheter body 10 into the tympanic membrane opening of the patient when the blades 120 are in the gathered state. By contacting the tissue fluid on the inner side of the tympanic membrane, the gathering belt 20 is quickly disintegrated, so that the blades 120 can elastically unfold and fix themselves on the inner side of the tympanic membrane. Since the disintegrated gathering belt 20 will fall into the ear canal, in order to avoid causing substantial impact on the patient, the gathering belt 20 is an absorbable and degradable gelatin sponge. The gathering belt 20 can be in a ring shape and directly sleeved on the two gathered blades 120, or the gathering belt 20 is a long strip of wire / ribbon, and the required length is taken for blade 120 gathering during use.

[0030] There are various ways to gather the blades 120, including Figure 3 the gathering method of overall folding shown in Figure 1 and Figure 2 and Figure 4 the secondary gathering method shown in.

[0031] As shown in Figure 1 and Figure 2 and Figure 4 , each blade 120 includes a first blade body 121 and a second blade body 122 that are sequentially connected to the hollow cylindrical straight pipe 110.

[0032] The thickness of the connection area 123 between the first blade body 121 and the second blade body 122 is less than or equal to the thickness of the first blade body 121. When the thickness of the connection area 123 between the first blade body 121 and the second blade body 122 is less than the thickness of the first blade body 121, the first blade body 121 is more easily bent relative to the second blade body 122.

[0033] Furthermore, a notch 124 (see Figure 4 ) can be provided in the connection area 123 between the first blade body 121 and the second blade body 122 so that the first blade body 121 is easily bent relative to the second blade body 122.

[0034] In the embodiment shown in Figure 1 , the two first blade bodies 121 approach each other in the axial direction of the hollow cylindrical straight pipe 110, and the two second blade bodies 122 are respectively folded back against the back surfaces of the two first blade bodies 121. At this time, there can be one gathering belt 20 and it is tied to the outer periphery of the two second blade bodies 122.

[0035] In the embodiment shown in Figure 2 , the two first blade bodies 121 approach each other in the axial direction of the hollow cylindrical straight pipe 110, and the two second blade bodies 122 are respectively folded back against the back surfaces of the two first blade bodies 121. The gathering belt 20 includes two, which are respectively tied to the outer peripheries of the two first blade bodies 121 and the outer peripheries of the two second blade bodies 122.

[0036] In Figure 3 In the illustrated embodiment, two blades 120 are folded back and lean against the outer peripheral wall of the hollow cylindrical straight pipe 110, and the binding band 20 holds the blades 120 on the outer peripheral wall of the hollow cylindrical straight pipe 110.

[0037] In Figure 4 In the illustrated embodiment, two first sheet bodies 121 approach each other on the outer peripheral wall of the hollow cylindrical straight pipe 110, and two second sheet bodies 122 are respectively folded back and connected to the opposite side surfaces of the two first sheet bodies 121, and the binding band 20 is tied around the outer periphery of the two second sheet bodies 122.

[0038] In Figure 5 In the illustrated embodiment, the two blades 120 are rolled back in the axial direction of the hollow cylindrical straight pipe 110 and fixed by the binding band 20.

[0039] In summary, those skilled in the art can easily understand that for the silicone tympanostomy tube provided by this application, since the blades 120 are bundled by the binding band 20 in advance, the operation of inserting the silicone tympanostomy tube into the ear is greatly facilitated, and the treatment experience of patients is improved.

[0040] The above are all preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A silicone grommet, characterized in that, The silicone tympanostomy tube includes: A tube body (10), the tube body (10) includes a hollow cylindrical straight tube (110) and two blades (120), the two blades (120) are integrally connected to the inner end of the hollow cylindrical straight tube (110) and are symmetrically and vertically folded outward relative to the hollow cylindrical straight tube (110) when not subjected to external force; A bundling band (20) for bundling the two blades (120) when they are bent and bundled so as to facilitate the insertion of the tube body (10) into the tympanic membrane opening of the patient in the state where the blades (120) are in a bundled state. The bundling band disintegrates automatically after contacting the tissue fluid in the middle ear cavity, so that the blades (120) elastically unfold inside the tympanic membrane opening.

2. The silicone grommet according to claim 1, characterized in that, The bundling band (20) is an absorbable and degradable gelatin sponge, which can disintegrate automatically when encountering water.

3. The silicone grommet according to claim 1, characterized in that, Each blade (120) includes a first sheet body (121) and a second sheet body (122) that are sequentially connected to the hollow cylindrical straight tube (110).

4. The silicone grommet according to claim 3, characterized in that, The thickness of the connection area (123) between the first sheet body (121) and the second sheet body (122) is less than or equal to the thickness of the first sheet body (121).

5. The silicone grommet according to claim 3, wherein, A notch is provided in the connection area (123) between the first sheet body (121) and the second sheet body (122) so that the first sheet body (121) is easier to bend relative to the second sheet body (122).

6. The silicone grommet according to claim 3, characterized in that, The two first sheet bodies (121) approach each other in the axial direction of the hollow cylindrical straight tube (110), and the two second sheet bodies (122) are respectively folded back against the back surfaces of the two first sheet bodies (121).

7. The silicone grommet according to claim 6, wherein: There is one bundling band (20) and it is bundled around the outer periphery of the two second sheet bodies (122).

8. The silicone grommet according to claim 6, wherein: There are two bundling bands (20), which are respectively bundled around the outer peripheries of the two first sheet bodies (121) and the two second sheet bodies (122).

9. The silicone grommet according to claim 1, wherein: The two blades (120) are folded back and lean against the outer peripheral wall of the hollow cylindrical straight tube (110), and the bundling band (20) holds the blades (120) on the outer peripheral wall of the hollow cylindrical straight tube (110), or the two blades (120) are rolled back in the axial direction of the hollow cylindrical straight tube (110) and fixed by the bundling band (20).

10. The silicone grommet according to claim 3, characterized in that: The two first sheet bodies (121) approach each other on the outer peripheral wall of the hollow cylindrical straight tube (110), the two second sheet bodies (122) are respectively folded back against the opposite surfaces of the two first sheet bodies (121), and the bundling band (20) is bundled around the outer peripheries of the two second sheet bodies (122).

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