CN219440170U - Ear drainage tube for central negative pressure suction connection - Google Patents

Abstract

The utility model belongs to the technical field of equipment for treating ears, and particularly relates to an ear drainage tube for central negative pressure suction connection, which comprises a drainage tube body, an earmuff, a patch and an elastic arc-shaped rod, wherein the elastic arc-shaped rod is used for connecting the patch and the earmuff; the drainage tube body comprises a drainage main tube and a drainage branch tube, and the drainage main tube and the drainage branch tube are respectively connected with corresponding connecting tubes. According to the utility model, after the annular air bag is inflated, the annular air bag is tightly attached to the skin around the ears of a patient, the inner space of the hollow cover body forms a sealing space, the sealing performance between the drainage tube body and the ears of the patient is good, and the patient can sit and lie on the device, so that the device has good practicability.

Description

Ear drainage tube for central negative pressure suction connection

Technical Field

The utility model belongs to the technical field of equipment for treating ears, and particularly relates to an ear drainage tube for central negative pressure suction connection.

Background

The ear is a protruding organ of the face, which is easy to be affected when burn and trauma occur, and wound surface seepage needs to be treated in the treatment process. In addition, after the otoplasty, the liquid seepage can also appear in patient's ear, needs to handle, avoids oozing liquid turbulent flow. The negative pressure closed drainage technology is one of the important means for treating wounds and is widely applied clinically. Under the action of negative pressure, the exuded liquid on the wound surface is sucked away by the drainage tube, thereby helping to establish the balance of the liquid on the wound surface, relieving edema and promoting the healing of the wound surface.

At present, one end of a clinically used drainage tube is connected with a central negative pressure device, and the other end of the clinically used drainage tube is connected with the ear of a patient in a sealing way. However, because the ear structure is three-dimensional and complex, the sealing connection between the drainage tube and the ear is realized by directly packaging the ear with a film, the sealing effect is poor, and the formation of a sealing space is not facilitated, thereby influencing the negative pressure drainage effect. Therefore, there is a need for a drainage tube structure that provides good sealing with the patient's ear.

Disclosure of Invention

The utility model aims to provide an ear drainage tube for central negative pressure suction connection, which solves the problem of poor tightness between the existing drainage tube and the ear of a patient.

In order to achieve the above purpose, the scheme of the utility model is as follows: the ear drainage tube for the central negative pressure suction connection comprises a drainage tube body, and further comprises an earmuff and an elastic arc rod, wherein one end of the elastic arc rod is connected with a patch, the other end of the elastic arc rod is fixedly connected with the earmuff, the earmuff comprises a hemispherical hollow hood body, the edge of the hollow hood body is fixedly connected with an annular air bag, the annular air bag is communicated with an inflation and deflation joint, a first connecting pipe and a second connecting pipe which are communicated with the inner space of the hollow hood body are arranged on the hollow hood body, the first connecting pipe is positioned at the bottom of the hollow hood body, and the second connecting pipe is positioned at the side edge of the hollow hood body; the drainage tube body is responsible for and is led the drainage branch pipe including the drainage, and the drainage is responsible for and is connected with first connecting pipe, and the drainage branch pipe is connected with the second connecting pipe, and the drainage branch pipe keeps away from the one end and the drainage of second connecting pipe and be responsible for the intercommunication.

The working principle and the beneficial effects of the scheme are as follows: in this scheme, the hollow cover body covers the injured ear of patient in it, and the paster pastes near the patient's opposite side ear (near the temporal), utilizes the elasticity of elasticity arc pole, fixes the hollow cover body on the patient's head. And the annular air bag is tightly attached to the skin near the ear of the patient after being inflated, so that the inner space of the hollow cover body forms a sealing space, the tightness between the drainage tube body and the ear of the patient is improved, and the treatment effect of the negative pressure closed drainage technology is ensured.

Furthermore, in this scheme, the drainage tube main part is two to the internal space negative pressure attraction site of hollow cover, compares in the scheme that only has a negative pressure attraction site, and this scheme can ensure the internal negative pressure space's of hollow cover formation more. In addition, the wound surface seepage liquid can timely flow out of the hollow cover body no matter the patient sits or lies down, so that the seepage liquid is prevented from accumulating in the hollow cover body, and the infection caused by long-time soaking of the skin around the ear in the seepage liquid is avoided.

Optionally, be connected through adjusting part between the tip of paster and elasticity arc pole, adjusting part includes outer tube and adjusting screw, the inner peripheral wall of outer tube be equipped with adjusting screw thread complex screw thread section, the one end of paster and the tip fixed connection of elasticity arc pole are kept away from to the outer tube, and adjusting screw is close to the one end and the paster fixed connection of paster.

In this scheme, rotate adjusting screw for adjusting screw takes place axial displacement relative to the outer tube, realizes the regulation to the distance between paster and the elasticity arc pole tip, thereby makes paster and earmuff wear on the patient head steadily, and then makes this scheme be applicable to the patient of different head girth, improves the suitability of this scheme.

Optionally, the drainage main pipe is in threaded connection with the first connecting pipe, and the drainage branch pipe is in threaded connection with the second connecting pipe.

In this scheme, utilize threaded connection's mode to connect drainage main pipe and first connecting pipe and connect drainage branch pipe and second connecting pipe, not only can realize sealing connection, can also be convenient for drainage main pipe and drainage branch pipe's dismouting, make things convenient for washing, the disinfection of drainage tube body and hollow cover body.

Optionally, the hollow cover body is provided with a plurality of sound leakage holes communicated with the inner space of the hollow cover body, and the hollow cover body is also provided with a sealing plug for sealing the sound leakage holes.

In this scheme, utilize sealing plug to seal the sound leakage hole for the inner space of the hollow cover body still can form sealed space. And when negative pressure drainage is not performed, the sealing plug is taken down, and the sound leakage hole is communicated with the inner space of the hollow cover body and the external atmosphere. Thus, the negative pressure can be relieved, and normal pressure drainage can be performed; secondly, the patient can conveniently carry out the hearing test under the condition of wearing the earmuff without taking off the earmuff.

Optionally, the sealing plug is T-shaped, and the sealing plug is a rubber plug.

In this scheme, the sealing plug is T and is the rubber buffer, so, the sealing plug has elasticity, can seal the sound leakage hole well, also is convenient for nurse take off the sealing plug.

Optionally, the sound leakage holes are distributed on the top of the hollow cover body and on one side of the hollow cover body away from the second connecting pipe.

In this scheme restriction leak hole's distribution position avoids seepage liquid to flow into leak downthehole.

Optionally, the central axis of the first connecting pipe and the central axis of the second connecting pipe are perpendicular to each other.

In the scheme, the first connecting pipe and the second connecting pipe are vertically arranged, so that when a patient sits, the first connecting pipe is positioned at the lowest position of the hollow cover body; the second connection tube is positioned at the lowest position of the hollow cover body when the patient is lying down, so that as much as possible of the seepage is discharged.

Optionally, a soft layer is fixedly connected to a side wall of the patch facing the hollow cover body.

In this scheme, the soft layer on the paster and patient's face contact avoid the paster direct contact patient's face, reach the purpose of protection patient's face.

Optionally, the soft layer is a rubber layer.

In this scheme, the static friction force between rubber layer and patient's face is great, is difficult for shifting.

Optionally, the patch is circular.

In this scheme, circular shape paster is compared with polygonal paster such as triangle-shaped or quadrangle, and the outer fringe is slick and sly, can not cause the injury to the skin.

Drawings

FIG. 1 is a schematic view of a central negative pressure suction connection ear drainage tube according to an embodiment of the present utility model;

FIG. 2 is a partial cross-sectional view of FIG. 1;

FIG. 3 is a right side view of the earmuff of FIG. 1;

FIG. 4 is a cross-sectional view of an earmuff according to a second embodiment of the utility model;

fig. 5 is a cross-sectional view of the earmuff when the sealing plug is disengaged from the sound leakage hole in the second embodiment of the utility model;

fig. 6 is a right side view of fig. 4.

Detailed Description

The following is a further detailed description of the embodiments:

the labels in the drawings of this specification include: drainage tube body 1, drainage main pipe 110, drainage branch pipe 120, elasticity arc pole 2, paster 3, adjusting component 4, outer tube 410, adjusting screw 420, soft layer 5, hollow cover body 6, leak hole 601, cyclic annular gasbag 7, fill gassing joint 8, first connecting pipe 9, second connecting pipe 10, sealing plug 11.

Example 1

This embodiment is basically as shown in fig. 1 and 2: the ear drainage tube for the connection is attracted to central negative pressure, including drainage tube body 1, earmuff and elasticity arc pole 2, the left end of elasticity arc pole 2 is connected with paster 3, in this embodiment, paster 3 is connected in the left end of elasticity arc pole 2 through adjusting part 4, specifically, adjusting part 4 includes outer tube 410 and adjusting screw 420, the inner peripheral wall of outer tube 410 is equipped with the screw thread section with adjusting screw 420 screw thread fit, the left end of outer tube 410 and the left end welding of elasticity arc pole 2, the right-hand member of adjusting screw 420 and paster 3 welding. The patch 3 is circular, and a soft layer 5 is bonded on the right side wall of the patch 3, and in this embodiment, the soft layer 5 is a rubber layer.

The earmuff comprises a hemispherical hollow cover body 6, an annular air bag 7 is adhered to the edge of the hollow cover body 6, the annular air bag 7 is arranged along the edge of the hollow cover body 6, and the annular air bag 7 is communicated with an inflation and deflation joint 8. As shown in fig. 3, a first connecting pipe 9 and a second connecting pipe 10 which are communicated with the inner space of the hollow cover body 6 are integrally formed on the hollow cover body 6, the first connecting pipe 9 is positioned at the bottom of the hollow cover body 6, the second connecting pipe 10 is positioned at the middle position on the right side of the hollow cover body 6, and the central axes of the first connecting pipe 9 and the second connecting pipe 10 are mutually perpendicular. Thus, when the first connecting pipe 9 is in the vertical state, the first connecting pipe 9 is located at the lowest position of the hollow housing 6, and when the second connecting pipe 10 is in the vertical state, the second connecting pipe 10 is located at the lowest position of the hollow housing 6. The drainage tube body 1 comprises a drainage main tube 110 and a drainage branch tube 120, the drainage main tube 110 is in threaded connection with the first connecting tube 9, the drainage branch tube 120 is in threaded connection with the second connecting tube 10, and the bottom end of the drainage branch tube 120 is communicated with the drainage main tube 110.

When the novel ear protection device is specifically used, a nurse applies force to reduce the curvature of the elastic arc-shaped rod 2, the distance between the patch 3 and the earmuff is increased, the soft layer 5 on the patch 3 is attached to the position near the temporal of the side of the intact ear of a patient, then, the injured ear of the patient is covered in the hollow cover body 6 completely, and the elastic arc-shaped rod 2 has elasticity, so that the hollow cover body 6 is tightly pressed on the periphery of the injured ear of the patient under the action of the elastic arc-shaped rod 2, and the fixing of the hollow cover body 6 is realized.

Then, the nurse connects an inflatable member such as a syringe to the inflation/deflation joint 8 to inflate the annular air bag 7, and the annular air bag 7 is inflated to be closely attached to the skin around the injured ear of the patient, so that the inner space of the hollow cover 6 forms a sealed space, and the tightness between the drainage tube body 1 and the injured ear of the patient is ensured.

Then, the nurse starts the negative pressure source (the negative pressure source in this embodiment is the central negative pressure device), and the air in the inner space of the hollow cover body 6 is pumped away through the drainage tube body 1, and the inner space of the hollow cover body 6 gradually forms the negative pressure sealed space, and the wound surface seepage liquid of the injured ear of the patient oozes out, thereby relieving ear edema and promoting wound surface healing. In the process, if the patient sits, at this time, the first connecting pipe 9 is in a vertical state, the first connecting pipe 9 is positioned at the lowest position of the hollow cover body 6, and seepage flows into the hollow cover body 6 after seepage, and finally flows out through the drainage main pipe 110; if the patient lies on the back, the second connecting pipe 10 is in a vertical state, the second connecting pipe 10 is positioned at the lowest position of the hollow cover body 6, and the seepage flows out through the drainage branch pipe 120 and finally flows into the drainage main pipe 110, so that drainage of the seepage is realized, and seepage turbulence is avoided.

In the above process, when the head circumference of the patient is small, the nurse rotates the patch 3 counterclockwise, and because the patch 3 is welded with the adjusting screw 420, the adjusting screw 420 follows the patch 3 to rotate counterclockwise together, the adjusting screw 420 moves rightward relative to the outer tube 410, the distance between the patch 3 and the left end of the elastic arc rod 2 increases, that is, the distance between the patch 3 and the earmuff (hollow cover 6) decreases, so that the patch 3 and the earmuff can be smoothly worn on the head of the patient. When the head circumference of the patient is large, the nurse rotates the patch 3 clockwise, the adjusting screw 420 moves leftwards relative to the outer tube 410, and the distance between the patch 3 and the earmuff increases, so that the patch 3 and the earmuff can be smoothly worn on the head of the patient.

In summary, in the present embodiment, the tightness between the hollow cover 6 and the skin near the ear of the patient is good, so that the formation of the sealed space is ensured, and the therapeutic effect of the negative pressure closed drainage technique is ensured. In addition, in the embodiment, the distance between the patch 3 and the hollow cover body 6 is adjustable, so that the embodiment is suitable for patients with different head circumferences, and the application range is wide. In addition, in this embodiment, negative pressure drainage can be achieved regardless of whether the patient is sitting or lying, and the patient can select a comfortable posture to perform negative pressure drainage.

Example two

The present embodiment differs from the first embodiment in that: as shown in fig. 4, 5 and 6, in this embodiment, the hollow cover 6 is provided with a plurality of sound leakage holes 601 which are communicated with the inner space of the hollow cover 6, the sound leakage holes 601 are distributed on the top of the hollow cover 6 and on one side of the hollow cover 6 away from the second connecting pipe 10, and the hollow cover 6 is further provided with a sealing plug 11 for sealing the sound leakage holes 601. In this embodiment, the number of the sound leakage holes 601 is three, and the three sound leakage holes 601 are far away from the first connecting pipe 9 and the second connecting pipe 10; the sealing plug 11 is T-shaped, and the sealing plug 11 is a rubber plug, so that a nurse can conveniently disassemble and assemble the sealing plug 11.

In this embodiment, the sound leakage hole 601 is sealed by the sealing plug 11, so that the internal space of the hollow housing 6 is not affected to be a negative pressure space. After the negative pressure drainage is finished, the nurse removes the sealing plug 11, the sound leakage hole 601 is communicated with the outside atmosphere and the inner space of the hollow cover body 6, and the air pressure of the inner space of the hollow cover body 6 is the same as the air pressure, so that normal pressure drainage can be performed at the moment. Moreover, due to the existence of the sound leakage hole 601, a nurse can perform hearing test on the injured ear of the patient without taking down the earmuffs, and the operation is convenient.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the present utility model. The description of the embodiments and the like in the specification can be used for explaining the contents of the claims.

Claims (10)

1. The ear drainage tube for the central negative pressure suction connection comprises a drainage tube body, and is characterized in that: the earmuff comprises a hemispherical hollow muff body, an annular air bag is fixedly connected to the edge of the hollow muff body, an inflation and deflation joint is communicated with the annular air bag, a first connecting pipe and a second connecting pipe which are communicated with the inner space of the hollow muff body are arranged on the hollow muff body, the first connecting pipe is positioned at the bottom of the hollow muff body, and the second connecting pipe is positioned at the side edge of the hollow muff body; the drainage tube body is responsible for and is led the drainage branch pipe including the drainage, and the drainage is responsible for and is connected with first connecting pipe, and the drainage branch pipe is connected with the second connecting pipe, and the drainage branch pipe keeps away from the one end and the drainage of second connecting pipe and be responsible for the intercommunication.

2. The ear drainage tube for suction connection of a center negative pressure according to claim 1, wherein: the patch is connected with the end part of the elastic arc rod through an adjusting component, the adjusting component comprises an outer tube and an adjusting screw, the inner peripheral wall of the outer tube is provided with a threaded section matched with the threads of the adjusting screw, one end of the outer tube away from the patch is fixedly connected with the end part of the elastic arc rod, and one end of the adjusting screw, close to the patch, is fixedly connected with the patch.

3. The ear drainage tube for suction connection of a center negative pressure according to claim 1 or 2, wherein: the drainage main pipe is in threaded connection with the first connecting pipe, and the drainage branch pipe is in threaded connection with the second connecting pipe.

4. The ear drainage tube for suction connection of a center negative pressure according to claim 1 or 2, wherein: the hollow cover body is provided with a plurality of sound leakage holes communicated with the inner space of the hollow cover body, and the hollow cover body is also provided with a sealing plug for sealing the sound leakage holes.

5. The ear drainage tube for suction connection of a center negative pressure according to claim 4, wherein: the sealing plug is T-shaped, and is a rubber plug.

6. The ear drainage tube for suction connection of a center negative pressure according to claim 4, wherein: the sound leakage holes are distributed at the top of the hollow cover body and at one side of the hollow cover body far away from the second connecting pipe.

7. The ear drainage tube for suction connection of a center negative pressure according to claim 1, wherein: the central axis of the first connecting pipe is perpendicular to the central axis of the second connecting pipe.

8. The ear drainage tube for suction connection of a center negative pressure according to claim 1, wherein: a soft layer is fixedly connected to one side wall of the patch facing the hollow cover body.

9. The ear drainage tube for suction connection of a center negative pressure according to claim 8, wherein: the soft layer is a rubber layer.

10. The ear drainage tube for suction connection of a center negative pressure according to claim 1, wherein: the patch is circular.