CN214805976U

CN214805976U - Visual tympanic membrane puncture device

Info

Publication number: CN214805976U
Application number: CN202120555783.5U
Authority: CN
Inventors: 金晓锋
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-11-23
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses a visual tympanocentesis device, including visual probe pole, elastic clamp and needle tubing subassembly, the probe is installed to visual probe pole front end, install the slide rail on the visual probe pole, the slide rail below is equipped with the slider, the slider slides along slide rail length direction, install the needle tubing subassembly on the slider, the elastic clamp lower part articulates on the slider, the laminating of elastic clamp upper portion is on visual probe pole. The utility model has the advantages that the probe is arranged at the front end of the visual probe rod, so that the operator can conveniently and rapidly and accurately perform tympanum puncture; the needle tubing subassembly is injectd on the slider, moves along slide rail length direction, uses the elastic clamp to carry out spacing fixed to the slider, makes operating personnel's extraction eardrum hydrops simpler, safe, high-efficient.

Description

Visual tympanic membrane puncture device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a visual tympanic membrane piercing depth.

Background

Secretory otitis media is a common disease and frequently encountered disease of the ear-nose-throat department, clinical symptoms are ear distress and hearing loss, the symptoms are mainly manifested as tympanopsis of the middle ear, and the current common treatment method is tympanocentesis. Tympanocentesis is a common operation in clinic and can extract hydrops in the tympanic cavity or inject medicine into the tympanic cavity. At present, generally, when a doctor watches by a frontal mirror or a head lamp, a doctor pulls an auricle upwards and backwards by one hand, the doctor holds a syringe by one hand to penetrate a puncture needle into the tympanic membrane through an external auditory canal, then fixes the puncture syringe by the hand pulling the auricle, and operates a syringe by the other hand to draw liquid or inject medicine, but the operation mode has two main disadvantages: firstly, when the injector is placed in the ear canal, the light of a frontal mirror or a head lamp can be shielded, so that doctors cannot peep and clean the full view of the tympanic membrane, and the puncture position is deviated or too deep to damage the mucous membrane in the tympanic cavity to cause the bleeding in the tympanic cavity; secondly, in the process of liquid extraction or injection, because the auditory canal is of a tubular structure, the sight can be shielded by the injector, doctors cannot observe the condition of the tympanic membrane in real time in the operation process, and the tympanic membrane puncture needle hole is easily enlarged due to shaking of the needle tip, so that the healing of the puncture hole is influenced. Therefore, improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a visual tympanum piercing depth, can make operating personnel safety, accurate, simple, efficient accomplish tympanum puncture work.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a visual tympanic membrane puncture device, includes visual probe pole, elastic clamp and needle tubing assembly, the probe is installed to visual probe pole front end, install the slide rail on the visual probe pole, the slide rail below is equipped with the slider, the slider slides along slide rail length direction, install the needle tubing assembly on the slider, the elastic clamp lower part articulates on the slider, the laminating of elastic clamp upper portion is on visual probe pole.

The visual probe rod is provided with a first inclined grain surface, the elastic clamp is provided with a second inclined grain surface, and the first inclined grain surface is attached to the second inclined grain surface.

The needle tube assembly comprises a needle tube, the front end of the needle tube is provided with a needle point, the tail end of the needle tube is provided with a folding head, the folding head is connected with the needle tube, and the folding head is located between the sliding block and the needle tube.

The outer side of the lower end face of the sliding block is provided with a needle tube buckle, and the needle tube is clamped in the needle tube buckle.

The needle sleeve is installed at the front end of the visual probe rod, a sleeve hole is formed in the needle sleeve, and the needle tip extends into the sleeve hole.

The visual probe rod lower end face is a plane, the needle sleeve upper end face is a plane, the visual probe rod lower end face is attached to the needle sleeve upper end face, and the needle sleeve is detachably mounted on the visual probe rod.

Compared with the prior art, the utility model, beneficial effect is:

1. the probe is arranged at the front end of the visual probe rod, so that an operator can observe the tympanic membrane in the whole operation process, and the tympanic membrane puncture can be performed more safely and accurately; 2. the needle tube assembly is limited on the sliding block and moves along the length direction of the sliding rail, and the sliding block is limited and fixed by the spring clamp, so that the shaking in the puncturing and operating processes can be effectively controlled, the damage to the tympanic membrane is reduced, and the puncturing process is simpler, safer and more efficient; 3. the first inclined thread surface on the visual probe rod is attached to the second inclined thread surface of the elastic clamp, so that the elastic clamp is more stable in limiting and fixing and is not easy to slide; 4. the folded head design of the needle tube enables the needle tube to be closer to the visual probe rod, the distance between the upper end of the visual probe rod and the lower end of the needle tube is reduced, and an operator can operate in the auditory canal conveniently.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic partial cross-sectional view taken at A-A in FIG. 1;

FIG. 3 is a schematic view of the spring clip of FIG. 2 shown released;

FIG. 4 is a schematic structural view of a visual probe rod and a needle sleeve of the present invention;

fig. 5 is a left side view of the probe rod and the needle sheath.

In the figure: the visual probe rod 1, the probe 11, the LED lamp 12, the first twill face 13, the slide rail mounting part 14, the needle tube assembly 2, the needle point 21, the needle tube 22, the folding head 23, the needle tube 24, the needle sleeve 3, the trepanning 31, the slider 4, the needle tube buckle 41, the slide rail 5, the sliding groove 51, the elastic clamp 6, the torsion spring 61 and the second twill face 62.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, and do not indicate or imply that the referred device or unit must have a specific direction, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, a visual tympanic membrane puncturing device comprises a visual probe rod 1, an elastic clamp 6 and a needle tube assembly 2, a probe 11 is installed at the front end of the visual probe rod 1, the probe 11 is matched with an external display, the position of a tympanic membrane and the visual tympanic membrane puncturing device is displayed in real time through the display, so that an operator can rapidly and accurately perform tympanic membrane puncturing work, an LED lamp 12 is arranged around the probe 11, and the ear canal is illuminated through the LED lamp 12, so that the operator can more clearly observe the position of the tympanic membrane and the visual tympanic membrane puncturing device.

Be equipped with the slide rail installation portion 14 that is used for installing slide rail 5 on the visual probe pole 1, the 14 up end of slide rail installation portion is the plane, the 5 up end of slide rail is the plane, the 14 up end of slide rail installation portion is laminated with the 5 up end of slide rail mutually, and the slide rail 5 of being convenient for is installed on visual probe pole 1.

Slide rail 5 below is equipped with slider 4, slider 4 slides along 5 length direction of slide rail, install needle tubing assembly 2 on slider 4, needle tubing assembly 2 moves along 5 length direction of slide rail through slider 4, needle tubing assembly 2 includes needle tubing 22, needle tubing 22 front end is equipped with needle point 21, needle tubing 22 end is equipped with discount 23, syringe 24 is connected to discount 23, discount 23 is located between slider 4 and the syringe 24, needle tubing 22 is preferred 100 degrees to 150 degrees with the angle alpha of discount 23, and the design of discount 23 of needle tubing 22 for needle tubing 22 can be more close to visual probe pole 1, reduces the distance between visual probe pole 1 upper end to the needle tubing 22 lower extreme, and the operating personnel of being convenient for operates in the duct.

The lower part of the elastic clamp 6 is hinged on the slider 4 through the torsion spring 61, the upper part of the elastic clamp 6 is attached to the visual probe rod 1, the slider 4 is limited and fixed by the elastic clamp 6, and then the movement of the needle tube assembly 2 is limited, so that the operation is simpler, safer and more efficient when the eardrum effusion is extracted by one hand by an operator.

The connection between the elastic clamp 6, the torsion spring 61 and the slider 4 is prior art and is not further described herein with reference to the clamps of a household clothes rack.

A sliding groove 51 is formed in the sliding rail 5, and the sliding block 4 is limited to slide in the sliding groove 51, so that the needle tube assembly 2 fixed on the sliding block 4 can move more stably.

The visual probe rod 1 is provided with a first inclined grain surface 13, the elastic clamp 6 is provided with a second inclined grain surface 62, the first inclined grain surface 13 is attached to the second inclined grain surface 62, the elastic clamp 6 is limited and fixed and is not easy to slide, and damage to the surface of the tympanic membrane is avoided.

The lower part of the sliding block 4 is provided with a needle tube buckle 41, the needle tube buckle 41 is preferably an elastic buckle, the needle tube 22 is clamped in the needle tube buckle 41, and the outer surface of the needle tube 22 is attached to the inner side surface of the needle tube buckle 41, so that the needle tube 22 cannot slide in the needle tube buckle 41.

Needle cover 3 is installed to visual probe pole 1 front end, set up trepanning 31 in the needle cover 3, needle point 21 stretches into in the trepanning 31, avoids needle point 21 to cause the damage to the tympanic membrane surface, and when visual tympanic membrane piercing depth was close to the tympanic membrane, remove slider 4, needle point 21 stretches out trepanning 31, pierces the tympanic membrane, carries out the drawing liquid operation.

The terminal surface is the plane under the visual probe pole 1, the needle cover 3 up end is the plane, the laminating of terminal surface and 3 up end of needle cover under the visual probe pole 1 makes visual probe pole 1 more stable with the cooperation of needle cover 3, needle cover 3 demountable installation is on visual probe pole 1, for example 3 joints of needle cover are on visual probe pole 1.

The needle tube assembly 2, the needle sleeve 3 and the sliding block 4 are disposable parts and can be replaced after use, so that cross contamination among different patients is avoided.

The utility model discloses a theory of operation is:

firstly, the front end of a handheld visual tympanocentesis device is inserted into a proper position of an ear canal, the hand is fixed by taking the periphery of an auricle as a pivot, the other hand presses down the elastic clamp 6, the torsion spring 61 rotates to separate the first inclined thread surface 13 from the second inclined thread surface 62, the needle cylinder 24 is pushed, the needle tube component 2 moves along the length direction of the slide rail 5 along with the slide block 4, the needle point 21 is inserted into the trepanning 31 along with the continuous forward movement of the slide block 4, under the monitoring of the camera probe, the needle point 21 is penetrated into the tympanic membrane puncture site, the elastic clamp 6 is released, the first inclined thread surface 13 is attached with the second inclined thread surface 62 under the action of the rotating force of the torsion spring 61, the needle tube assembly 2 is limited and fixed, after the corresponding treatment such as tympanum liquid extraction is finished, the elastic clamp 6 is pressed down again, the needle tube 24 is retracted, the needle point 21 is led out of the tympanic membrane and is immersed into the trepanning 31, the elastic clamp 6 is loosened again, the needle tube assembly 2 is limited and fixed, and finally the visual tympanic membrane puncture device is taken away from the auditory canal.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a visual tympanic membrane piercing depth which characterized in that: including visual probe pole (1), elasticity clamp (6) and needle tubing subassembly (2), probe (11) are installed to visual probe pole (1) front end, install slide rail (5) on visual probe pole (1), slide rail (5) below is equipped with slider (4), slider (4) slide along slide rail (5) length direction, install needle tubing subassembly (2) on slider (4), elasticity clamp (6) lower part articulates on slider (4), elasticity clamp (6) upper portion is laminated on visual probe pole (1).

2. A visual tympanic membrane puncturing device as recited in claim 1, wherein: be equipped with first twill face (13) on visual probe pole (1), be equipped with second twill face (62) on elasticity clamp (6), first twill face (13) and second twill face (62) are laminated mutually.

3. A visual tympanic membrane puncturing device as recited in claim 1, wherein: needle tubing subassembly (2) includes needle tubing (22), needle tubing (22) front end is equipped with needle point (21), needle tubing (22) end is equipped with discount (23), syringe (24) are connected in discount (23), discount (23) are located between slider (4) and syringe (24).

4. A visual tympanic membrane puncturing apparatus as recited in claim 3, wherein: the needle tube buckle (41) is arranged on the outer side of the lower end face of the sliding block (4), and the needle tube (22) is clamped in the needle tube buckle (41).

5. A visual tympanic membrane puncturing apparatus as recited in claim 3, wherein: a needle sleeve (3) is installed at the front end of the visual probe rod (1), a sleeve hole (31) is formed in the needle sleeve (3), and the needle tip (21) extends into the sleeve hole (31).

6. A visual tympanic membrane puncturing apparatus as recited in claim 5, wherein: the end surface is the plane under visual probe pole (1), needle cover (3) up end is the plane, the laminating of end surface and needle cover (3) up end under visual probe pole (1), needle cover (3) demountable installation is on visual probe pole (1).