CN215459288U - Tympanic injection device with tube placed through tympanic membrane - Google Patents

Abstract

The utility model provides a trans-tympanic membrane intubation tympanometry injection device, comprising: syringe, syringe needle and hose, the syringe needle with the syringe is linked together, the syringe needle with the contained angle between the syringe satisfies: 130 < a <140, the advantages of the utility model are: the silica gel hose is arranged on the needle head of the injection needle, and the silica gel hose is soft in texture, elastic and bendable, and can be properly deformed after being subjected to external force, so that the friction between metals is greatly reduced, the pain of a patient is relieved, and the safety of tympanogram injection is improved.

Description

Tympanic injection device with tube placed through tympanic membrane

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a tympanic injection device with a tube placed through a tympanic membrane.

Background

The intratympanic injection can be used for treating inner ear diseases (such as deafness, Meniere disease, and secretory otitis media), and the medicine can diffuse into inner ear through window membrane. At present, the tympanic membrane is generally clinically administered through placing a tympanic membrane ventilation tube to establish a drug delivery channel and then delivering the drug into the tympanic cavity through the ventilation tube, so that the pain of a patient caused by repeated tympanic membrane puncture can be reduced, and the risk of permanent tympanic membrane perforation can be reduced. The material of the vent pipe is titanium alloy, so that the vent pipe has good biocompatibility and does not stimulate the tympanic membrane to grow granulation; the inner wall is smooth and not easy to block; the weight is light, and the motion of the tympanic membrane is not influenced; not easy to fall off and simple to place. The conventionality is connected long metal syringe needle through the syringe and is accomplished through titanium breather pipe dosing, and long metal syringe needle rubs with titanium breather pipe, can obviously increase patient's painful sense on the one hand, and in addition because of two kinds of metal rubs, the collision dynamics is great, can increase the breather pipe and fall into the tympanic cavity risk, in case the breather pipe gets into the tympanic cavity, take out after need anaesthetizing again, increase patient's burden and misery.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a trans-tympanic membrane tube-placing tympanic injection apparatus, which is provided to solve the above problems, wherein a silicone tube is disposed on a needle of an injection needle, and the silicone tube is soft, elastic, bendable, and capable of deforming properly under external force, so as to greatly reduce friction between metals, alleviate pain of patients, and increase the safety of tympanic injection.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

a trans-tympanic intubation tympanometry injection device comprising:

syringe, syringe needle and hose, the syringe needle with the syringe is linked together, the syringe needle with the contained angle between the syringe satisfies: 130 ° < a <140 °;

further, a hose is arranged at the needle head of the injection needle.

Further, one end of the hose, which is far away from the injection needle, is a conical inclined surface.

Further, the hose is made of silica gel.

Further, the hose has a length that satisfies: 0.5< b <1.5 cm.

Further, the length of the injection needle satisfies: 3.5< c <5 cm.

Further, the volume L of the syringe satisfies: 1< L <3 ml.

Furthermore, a communicating part is arranged between the injector and the injection needle, and a valve part is arranged in the communicating part.

Furthermore, one end of the injection needle close to the injector is provided with a liquid sucking part.

Furthermore, the liquid suction part is connected with the injection needle in a sliding way, and a liquid suction pad is arranged in the liquid suction part.

Furthermore, the liquid sucking part is detachably connected with the injection needle.

Compared with the prior art, the tympanic injection device with the tube placed through the tympanic membrane has the advantages that the silica gel hose is arranged on the needle head of the injection needle, and the friction among metals is greatly reduced by utilizing the characteristics that the silica gel hose is soft in texture, elastic, bendable and can be properly deformed after being subjected to external force, so that the pain of a patient is relieved, and the safety of the tympanic injection is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a trans-tympanic membrane tube tympanogram injection apparatus according to an embodiment of the present invention;

FIG. 2 is a closed state of a valve portion of an embodiment of the present invention;

FIG. 3 is an open state of a valve portion of an embodiment of the present invention;

fig. 4 is a schematic structural view of the liquid absorbing portion according to the embodiment of the present invention.

Description of reference numerals:

100-a trans-tympanic tube tympanum injection device, 1-an injector; 2-injection needle; 3-a hose; 4-a communication part; 41-valve part; 5-a liquid absorbing part; 51-absorbent pad.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Reference will now be made in detail to an embodiment 100 of the present invention with reference to fig. 1-4, taken in conjunction with the accompanying drawings. As shown in FIG. 1, a trans-tympanometry injection device (100) according to an embodiment of the present invention comprises: syringe 1, syringe needle 2 and hose 3, syringe needle 2 is linked together with syringe 1, and the contained angle between syringe needle 2 and the syringe 1 satisfies: 130 ° < a <140 °; the hose 3 is arranged at the needle head of the injection needle 2, and the characteristics that the hose 3 is soft, elastic and bendable and can be properly deformed after being subjected to external force are utilized, so that the friction between metals is greatly reduced, the pain of a patient is relieved, and the safety of tympanogram injection is improved.

The one end that hose 3 kept away from syringe needle 2 is the toper inclined plane, and the setting up of toper inclined plane makes syringe needle 2 more be convenient for stretch into the breather pipe.

Hose 3 is the silica gel material, and the silica gel material is both soft still has certain toughness, increases life.

The length of the hose 3 satisfies: b is more than 0.5 and less than 1.5cm, the structure design is simple and small, and the long metal injection needle 2 is more convenient to be sleeved with the small metal injection needle in an aseptic method.

The length of the injection needle 2 satisfies: 3.5< c <5cm, the length is matched with the angle of the injection needle 2 to be more suitable for the shape of the auditory canal, and the medicine injection is convenient.

The volume L of the syringe 1 satisfies: 1< L <3ml, the pressure of the syringe 1 with the volume is more suitable for administration, the comfort of a patient is enhanced, dizziness is avoided, and 2ml can produce the best effect.

The communicating part 4 is arranged between the injector 1 and the injection needle 2, the valve part 41 is arranged in the communicating part 4, when in use, the liquid medicine in the injector 1 pushes the valve 41 to open and administer medicine to the tympanic cavity through the injection needle 2, and the valve part 41 further prevents the pus in the ear and the like from flowing back into the injector 1 through the injection needle 2, so that the treatment effect is better.

The end of the injection needle 2 close to the injector 1 is provided with a liquid absorbing part 5, after the injection needle 2 is inserted into the ear for administration, the liquid medicine is remained on the injection needle 2, and the liquid medicine is prevented from flowing out through the liquid absorbing part 5.

The liquid absorbing part 5 is connected with the injection needle 2 in a sliding way, a liquid absorbing pad 51 is arranged in the liquid absorbing part 5, and after the administration is finished, the liquid absorbing part 5 slides on the injection needle 2 to absorb the residual liquid medicine on the injection needle 2.

The liquid absorbing part 5 is detachably connected with the injection needle 2, so that the use is convenient.

When specifically using, administer to the tympanic cavity through syringe 1, syringe needle 2 stretches into the tympanic cavity through titanium breather pipe, hose 3 and titanium breather pipe direct contact on the syringe needle 2 avoid long metal syringe needle and titanium breather pipe friction, alleviate patient's sense of pain, reduce syringe needle and the direct frictional force of titanium breather pipe, prevent that titanium breather pipe from dropping into the duct.

In summary, according to the tympanic injection apparatus 100 with the tympanic membrane insertion tube according to the embodiment of the present invention, the silicone tube is disposed on the needle of the injection needle 2, and the silicone tube is soft, elastic, bendable, and capable of deforming properly after being subjected to an external force, so that friction between metals is greatly reduced, pain of a patient is relieved, and safety of tympanic injection is increased. When the medicine is administered, the valve part 41 is opened or closed according to the flow direction of the medicine liquid, when the medicine liquid is administered to the tympanic cavity through the injection needle, the valve part 41 is in an open state, the medicine liquid enters the tympanic cavity, the pus in the ears is excessive, and when the mixed pus of the medicine liquid flows reversely, the valve part 41 is closed, so that the medicine liquid is prevented from being polluted, and the treatment effect is improved. After the completion of dosing, the liquid in the ear can be remained to syringe needle 2, absorbs the remaining liquid on syringe needle 2 through slip imbibition portion 5, prevents to drip, and in the ear treatment later stage, when the ear inflammation alleviates, can choose not to use imbibition portion 5, direct dismantlement can, simple structure, convenient to use.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A trans-tympanic intubation tympanometry injection device comprising:

an injector;

the injection needle is communicated with the injector, and an included angle between the injection needle and the injector satisfies the following conditions: 130 ° < a <140 °;

a hose disposed at a needle of the injection needle.

2. The trans-tympanic injection apparatus according to claim 1, wherein an end of said tube distal from said needle is conically beveled.

3. The trans-tympanic injection apparatus according to claim 1, wherein said flexible tube is of silicone.

4. The trans-tympanic injection apparatus according to claim 1, wherein said flexible tube has a length sufficient to: 0.5< b <1.5 cm.

5. The trans-tympanic injection apparatus according to claim 1, wherein said injection needle has a length sufficient to: 3.5< c <5 cm.

6. A trans-tympanic injection apparatus according to claim 1, wherein said syringe has a capacity L satisfying: 1< L <3 ml.

7. The trans-tympanic injection apparatus according to claim 1, wherein a communication is provided between said syringe and said needle, said communication having a valve portion disposed therein.

8. The trans-tympanic injection apparatus according to claim 1 wherein said needle has a liquid aspirating portion at an end proximal to the syringe.

9. The trans-tympanic injection apparatus according to claim 8, wherein said aspirating portion is slidably coupled to said needle, and wherein an aspirating pad is disposed within said aspirating portion.

10. The trans-tympanic injection apparatus according to claim 8, wherein the aspirating portion is removably attachable to the injection needle.

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