阅读说明：本技术 一种鼓膜穿刺自动抽吸注射器 (Automatic suction syringe for tympanocentesis ) 是由 章伟敏 王耀文 陈旭东 于 2021-09-28 设计创作，主要内容包括：本发明涉及医疗设备技术领域,且公开了一种鼓膜穿刺自动抽吸注射器,包括注射器主体,注射器主体内部设置有圆槽,圆槽内部设置有注射筒,注射筒内部设置有活塞杆,活塞杆底端设置有端头,注射器主体底部开设有防滑槽,注射器主体内部设置有电池,电池下方设置有微型电动伸缩杆,微型电动伸缩杆下端设置有固定块。该一种鼓膜穿刺自动抽吸注射器,通过设置注射器主体、圆槽与注射筒,可以达到通过手持注射器主体进行积液抽吸,可随意更换注射筒进行多次重复使用,既满足一次性使用注射筒的卫生需求,又避免了多余的材料浪费；通过设置微型电动伸缩杆、固定块、卡块与卡槽,可以达到自动抽吸积液的目的,避免了传统手动抽液且双手操作的麻烦。(The invention relates to the technical field of medical equipment and discloses an automatic suction injector for tympanocentesis, which comprises an injector main body, wherein a circular groove is formed in the injector main body, an injection tube is arranged in the circular groove, a piston rod is arranged in the injection tube, an end socket is arranged at the bottom end of the piston rod, an anti-skidding groove is formed in the bottom of the injector main body, a battery is arranged in the injector main body, a micro electric telescopic rod is arranged below the battery, and a fixing block is arranged at the lower end of the micro electric telescopic rod. According to the automatic suction injector for tympanocentesis, the injector main body, the circular groove and the injection tube are arranged, so that accumulated liquid can be sucked through the handheld injector main body, the injection tube can be randomly replaced for repeated use, the sanitary requirement of the disposable injection tube is met, and the waste of redundant materials is avoided; through setting up miniature electric telescopic handle, fixed block, fixture block and draw-in groove, can reach the purpose of automatic suction hydrops, avoided the trouble of traditional manual drawing of liquid and bimanualness.)

1. An automatic suction syringe for tympanocentesis, comprising a syringe body (1), characterized in that: the novel syringe is characterized in that a circular groove (2) is formed in the syringe main body (1), a syringe (3) is arranged in the circular groove (2), a piston rod (4) is arranged in the syringe (3), an end (5) is arranged at the bottom end of the piston rod (4), an anti-slip groove (6) is formed in the bottom of the syringe main body (1), a battery (7) is arranged in the syringe main body (1), a miniature electric telescopic rod (8) is arranged below the battery (7), a fixing block (9) is arranged at the lower end of the miniature electric telescopic rod (8), a clamping block (10) is arranged on one side of the fixing block (9), a clamping groove (11) is formed in the middle of the clamping block (10), and a button (12) is arranged on the side wall of the syringe main body (1).

2. An automatic suction syringe for tympanic membrane puncture according to claim 1, wherein: the injector main body (1) is made of hard plastic, the circular groove (2) is eccentrically arranged, the circular groove (2) is communicated with the outside, the inner diameter of the circular groove (2) is matched with the outer diameter of the injection tube (3), and the injection tube (3) is inserted into the injector main body (1) through the clamping groove (11).

3. An automatic suction syringe for tympanic membrane puncture according to claim 1, wherein: the anti-skid grooves (6) are arranged at the bottom of the injector main body (1), and the anti-skid grooves (6) are arranged in a plurality of groups at equal intervals.

4. An automatic suction syringe for tympanic membrane puncture according to claim 1, wherein: inside miniature electric telescopic handle (8) and battery (7) were fixed in one side lateral wall that round slot (2) were kept away from in syringe main part (1), miniature electric telescopic handle (8) pass through circuit and battery (7) electric connection, the flexible end of miniature electric telescopic handle (8) stretches out syringe main part (1) and fixed block (9) fixed connection.

5. An automatic suction syringe for tympanic membrane puncture according to claim 1, wherein: the fixing block (9) and the clamping block (10) are integrally formed, and the fixing block (9) and the clamping block (10) are combined to form an L shape.

6. An automatic suction syringe for tympanic membrane puncture according to claim 1, wherein: the clamping groove (11) is located in the middle of the clamping block (10), the width of the inner wall of the clamping groove (11) is matched with the outer diameter of the piston rod (4), the piston rod (4) is inserted into the middle of the clamping block (10) through the clamping groove (11), and the width of the clamping groove (11) is slightly smaller than the outer diameter of the end head (5).

Technical Field

The invention relates to the technical field of medical equipment, in particular to an automatic suction injector for tympanocentesis.

Background

Secretory otitis media is a non-suppurative inflammatory disease of the middle ear, which is characterized by effusion (including serous fluid, mucus, serous-mucus but not blood or cerebrospinal fluid), intact tympanic membrane and hearing loss, which are usually formed in the mastoid cavity of the middle ear, and is also called as exudative otitis media. The middle ear is a space behind the eardrum filled with air, and is called as "glue ear" when the effusion is very viscous, and typical symptoms are earache, hearing loss, ear stuffiness and fullness, tinnitus and the like.

The prior art has the following problems:

1. in the existing tympanic membrane puncture operation process, an operator needs to fix a syringe with a puncture needle by one hand and pull a piston rod of the syringe by the other hand so as to extract the effusion in the tympanic cavity, but the method ensures that medical personnel needs to operate by two hands without having room to perform other operations, only can be assisted by an assistant and causes great inconvenience to the user;

2. the existing tympanic membrane puncture injector adopts an air bag for air compression in order to solve the trouble so as to facilitate liquid extraction by one hand, but the internal structure of the injector is complex, and the adoption of a disposable injector in the tympanic membrane puncture in the medical field is more appropriate, so that the injector is frequently replaced, a large amount of materials are consumed, the use cost is high, and the economic burden is increased for medical institutions, so that the practicability of the injector is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an automatic suction injector for tympanocentesis, which has the advantages of achieving the purpose of automatically sucking accumulated liquid, avoiding the trouble of traditional manual liquid suction and double-hand operation, being more convenient and comfortable to use, being capable of randomly replacing an injection tube for repeated use for a plurality of times, being long in service life and the like, and solves the problems that the traditional tympanocentesis injector needs double-hand operation, cannot perform other operations, can only be assisted by an assistant, is disposable, consumes a large amount of materials, is high in use cost and increases economic burden for a medical institution.

In order to realize the purpose that the injector can automatically suck accumulated liquid, avoid the trouble of traditional manual liquid suction and double-hand operation, is more convenient and comfortable to use, can randomly replace an injection tube for repeated use for a plurality of times, and has the purpose of long service life, the invention provides the following technical scheme: the utility model provides an automatic suction syringe of tympanic membrane puncture, includes the syringe main part, the inside circular slot that is provided with of syringe main part, the inside injection tube that is provided with of circular slot, the inside piston rod that is provided with of injection tube, the bottom of the piston rod is provided with the end, anti-skidding groove has been seted up to syringe main part bottom, the inside battery that is provided with of syringe main part, the battery below is provided with miniature electric telescopic handle, miniature electric telescopic handle lower extreme is provided with the fixed block, fixed block one side is provided with the fixture block, the draw-in groove has been seted up at the fixture block middle part, syringe main part lateral wall is provided with the button.

Preferably, the injector main body is made of hard plastic, the circular groove is eccentrically arranged and communicated with the outside, the inner diameter of the circular groove is matched with the outer diameter of the injection tube, and the injection tube is inserted into the injector main body through the clamping groove.

Preferably, the anti-slip grooves are arranged at the bottom of the injector main body, and the number of the anti-slip grooves is a plurality of groups and is arranged at equal intervals.

Preferably, inside miniature electric telescopic handle and battery were fixed in the syringe main part and kept away from one side lateral wall of circular slot, miniature electric telescopic handle passed through circuit and battery electric connection, the flexible end of miniature electric telescopic handle stretches out syringe main part and fixed block fixed connection.

Preferably, the fixing block and the clamping block are integrally formed, and the fixing block and the clamping block are combined to form an L shape.

Preferably, the clamping groove is located in the middle of the clamping block, the width of the inner wall of the clamping groove is matched with the outer diameter of the piston rod, the piston rod is inserted into the middle of the clamping block through the clamping groove, and the width of the clamping groove is slightly smaller than the outer diameter of the end head.

Compared with the prior art, the invention provides an automatic suction injector for tympanocentesis, which has the following beneficial effects:

1. this an automatic suction syringe of tympanic membrane puncture, through setting up the syringe main part, circular slot and injection tube, insert the injection tube circular slot through the extrusion injection tube, make the injection tube arrange inside the syringe main part in, through handheld syringe main part in order to carry out the hydrops suction, borrow the circular slot and communicate with each other with the external world, the injection tube of being convenient for on the one hand is from the interior dismouting of syringe main part, on the other hand the scale mark on injection tube surface of being convenient for exposes, be convenient for take out the liquid in-process and observe the hydrops capacity, it is convenient to use, and can change the injection tube at will and carry out repetitious used, long service life, both satisfy the sanitary demand of disposable injection tube, unnecessary material waste has been avoided again.

2. This automatic suction syringe of tympanocentesis, through setting up miniature electric telescopic handle, the fixed block, fixture block and draw-in groove, through going into the draw-in groove with the piston rod card, the fixture block bottom is hugged closely with the end, through button input instruction, miniature electric telescopic handle extension promotes the fixed block and moves down, the fixed block passes through the fixture block and promotes the end and move down, end pulling piston rod moves down with the piston in the injection tube, and then reach the automatic purpose of suction of hydrops, the trouble of traditional manual drawing of liquid and bimanualness has been avoided, and the device compact structure, reuse consumes with low costs, the practicality is big.

3. This automatic suction syringe of tympanic membrane puncture through setting up anti-skidding groove, increases the handheld frictional force of syringe main part through the anti-skidding groove of syringe main part bottom, makes syringe main part hand hold antiskid, and the device uses convenient more, comfortable.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a schematic view of a fixing block and a clamping block according to the present invention;

FIG. 4 is a side sectional view of the syringe body of the present invention

FIG. 5 is a schematic diagram of the present invention with its internal structure broken away.

In the figure: 1. a syringe body; 2. a circular groove; 3. an injection tube; 4. a piston rod; 5. a tip; 6. an anti-slip groove; 7. a battery; 8. a miniature electric telescopic rod; 9. a fixed block; 10. a clamping block; 11. a card slot; 12. A button.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, an automatic suction syringe for tympanocentesis includes a syringe body 1, and is characterized in that: the syringe main body 1 is internally provided with a circular groove 2 for installing a syringe 3, the syringe 3 is arranged in the circular groove 2 and used for sucking accumulated liquid or injecting medicament, the syringe 3 is internally provided with a piston rod 4, the bottom end of the piston rod 4 is provided with an end 5 which is used as the existing structure of the syringe 3 to pull the piston rod 4, the bottom of the syringe main body 1 is provided with an anti-skid groove 6 for preventing the syringe main body 1 from skidding by hand, the syringe main body 1 is internally provided with a battery 7 for providing electric support for a micro electric telescopic rod 8, the micro electric telescopic rod 8 is arranged below the battery 7 and can adopt an AT-01-20 model as the main driving force for moving the piston rod 4, the lower end of the micro electric telescopic rod 8 is provided with a fixed block 9 for the micro electric telescopic rod 8 and the fixed block 10, one side of the fixed block 9 is provided with a fixed block 10, and the middle part of the fixed block 10 is provided with a clamping groove 11, the syringe is used for being clamped with the piston rod 4, the end 5 and the piston rod 4 are convenient to push to move, and the side wall of the syringe body 1 is provided with a button 12.

The injector main body 1 is made of hard plastic, the circular groove 2 is eccentrically arranged, the circular groove 2 is communicated with the outside, the inner diameter of the circular groove 2 is matched with the outer diameter of the injection tube 3, the injection tube 3 is inserted into the injector main body 1 through the clamping groove 11, so that the injection tube 3 can be replaced randomly to realize repeated use of the injector main body 1, the circular groove 2 is communicated with the outside, scale marks on the surface of the injection tube 3 are exposed conveniently, and the accumulated liquid capacity can be observed conveniently in the liquid pumping process; the anti-skid grooves 6 are positioned at the bottom of the injector body 1, the anti-skid grooves 6 are arranged in a plurality of groups at equal intervals, so that the friction force of the injector body 1 in hand holding is increased, and the device is more convenient and comfortable to use; the miniature electric telescopic rod 8 and the battery 7 are fixed inside the side wall of the injector main body 1 far away from the circular groove 2, the miniature electric telescopic rod 8 is electrically connected with the battery 7 through a circuit, and the telescopic end of the miniature electric telescopic rod 8 extends out of the injector main body 1 and is fixedly connected with the fixed block 9, so that the fixed block 9 is conveniently pushed to move by the telescopic action of the miniature electric telescopic rod 8; the fixed block 9 and the fixture block 10 are integrally formed, the fixed block 9 and the fixture block 10 are combined to form an L shape, and the fixed block 9 is used for driving the fixture block 10 to synchronously move; draw-in groove 11 is in fixture block 10 middle part, and 11 inner wall width sizes of draw-in groove and 4 external diameter sizes looks adaptations of piston rod, piston rod 4 insert fixture block 10 middle part through draw-in groove 11, and 11 width sizes of draw-in groove slightly are less than 5 external diameter sizes of end, borrow fixture block 10 and promote 5 removals of end, and end 5 and then drive piston rod 4 and pull out injection tube 3 to reach the purpose of automatic extraction hydrops.

When the automatic liquid-pumping device works, a user firstly extrudes the injection tube 3 to insert the injection tube 3 into the circular groove 2, the injection tube 3 is arranged in the injector main body 1, the piston rod 4 is clamped into the clamping groove 11, the bottom of the clamping block 10 is tightly attached to the end 5, then the position of the injection tube 3 is adjusted, the scale mark on the surface of the injection tube 3 is exposed, the user holds the injector main body 1 to push the injection tube 3, a puncture needle at the top end of the injection tube 3 punctures the tympanic membrane to enter a tympanic cavity, then the thumb presses the button 12, the button 12 inputs an instruction, the miniature electric telescopic rod 8 extends and pushes the fixing block 9 to move downwards, the fixing block 9 pushes the end 5 to move downwards through the clamping block 10, the end 5 pulls the piston rod 4 and the piston to move downwards in the injection tube 3, the aim of automatic liquid-pumping is achieved, the trouble of traditional manual liquid-pumping and double-hand operation is avoided, the friction force of the injector main body 1 is increased through the anti-slip groove 6 at the bottom of the injector main body 1, make the device use more convenient, comfortable, and can change injection tube 3 at will and carry out repetitious usage, long service life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.