CN216021295U

CN216021295U - Hand-held type tympanic membrane puncture suction device

Info

Publication number: CN216021295U
Application number: CN202121901714.1U
Authority: CN
Inventors: 赵向东; 戴春节; 谭文惠
Original assignee: Guangdong No 2 Peoples Hospital
Current assignee: Guangdong No 2 Peoples Hospital
Priority date: 2021-08-14
Filing date: 2021-08-14
Publication date: 2022-03-15
Anticipated expiration: 2031-08-14

Abstract

The utility model provides a hand-held tympanocentesis suction device, which relates to the technical field of tympanocentesis suction devices and comprises a needle body, wherein one side of the needle body is provided with a medicine injection port, one end of the needle body is provided with a negative pressure suction device connecting port, one side of the needle body is provided with a negative pressure suction device switch at a position far away from the medicine injection port, the other end of the needle body is fixedly provided with a connecting pipe, one end of the connecting pipe is provided with a needle head, and the inside of the connecting pipe is provided with a thread a, avoid the condition that the hydrops spilled from the connecting pipe position, do benefit to in-service use.

Description

Hand-held type tympanic membrane puncture suction device

Technical Field

The utility model relates to the technical field of tympanocentesis suction devices, in particular to a handheld tympanocentesis suction device.

Background

The tympanic membrane is oval, light grey, translucent film, is located at the bottom of the external auditory canal, is the demarcation of external ear and middle ear, thereby when the negative pressure appears in the tympanic cavity and causes the tympanum hydrops, then need use the method of tympanocentesis to treat, some puncture syringe needles are usually fixed with the needle body at present, when the damage appears in the syringe needle of needle body one end, because the syringe needle can't be replaced to lead to whole needle body can't continue to use, caused the waste of resource.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a handheld tympanocentesis suction device.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a hand-held type tympanocentesis suction device, includes the needle body, one side of needle body is provided with the medicine injection mouth, the one end of needle body is provided with negative pressure aspirator connector, the position department that medicine injection mouth was kept away from to one side of needle body is equipped with the negative pressure aspirator switch, the connecting pipe is equipped with admittedly to the other end of needle body, the one end of connecting pipe is provided with the syringe needle, the inside of connecting pipe is provided with screw thread a, the surface of syringe needle is provided with screw thread b, the bottom surface of needle body is provided with the device of gripping.

In order to facilitate the disassembly of the needle head, the utility model improves that the thread a is meshed with the thread b, and the needle head is rotatably connected with the connecting pipe.

In order to avoid liquid leakage, the utility model is improved in that a sealing ring is fixedly arranged at one end of the connecting pipe.

In order to improve the stability of the needle body, the utility model improves that the holding device comprises a grip which is fixedly arranged on the bottom surface of the needle body, and the surface of the grip is sleeved with a rubber sleeve.

In order to fit the shapes of fingers of people, the improved structure of the finger grip is characterized in that four groups of grooves are formed in the surface of the grip.

In order to facilitate the detachment of the rubber sleeve, the rubber sleeve is improved in the utility model, the shape of the rubber sleeve is the same as that of the handle, and the rubber sleeve is connected with the handle in a sliding manner.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, when the medical needle is actually used, people can conveniently detach the needle head by arranging the needle body, the medicine injection port, the negative pressure aspirator connecting port, the negative pressure aspirator switch, the connecting pipe, the needle head, the threads a and the threads b, when the needle head is damaged, the needle head only needs to be simply replaced, so that the operation is convenient while resources are saved, and meanwhile, by arranging the sealing ring, the condition that accumulated liquid leaks from the position of the connecting pipe is avoided, and the medical needle is beneficial to actual use.

2. In the utility model, when the eardrum puncture needle is actually used, people can conveniently puncture the eardrum by using the needle body through the holding device, the stability of the needle body is improved, and meanwhile, the shape of fingers of people is fitted through the groove, so that people can conveniently hold the grip.

Drawings

Fig. 1 is a schematic view of the overall structure of a hand-held tympanocentesis suction device according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1 of the hand-held tympanocentesis suction device according to the present invention;

fig. 3 is a side view of a hand-held tympanocentesis suction device according to the present invention.

Illustration of the drawings:

1. a needle body; 2. a drug injection port; 3. a negative pressure suction device connecting port; 4. a negative pressure aspirator switch; 5. a connecting pipe; 6. a needle head; 7. a grip; 8. a groove; 9. a rubber sleeve; 10. a thread a; 11. a seal ring; 12. and (b) threads.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a hand-held type tympanic membrane puncture suction device, including needle body 1, one side of needle body 1 is provided with medicine injection port 2, the one end of needle body 1 is provided with negative pressure suction ware connector 3, negative pressure suction ware switch 4 is equipped with in the position department that medicine injection port 2 was kept away from to one side of needle body 1, connecting pipe 5 is equipped with admittedly to the other end of needle body 1, the one end of connecting pipe 5 is provided with syringe needle 6, the inside of connecting pipe 5 is provided with screw thread a10, the surface of syringe needle 6 is provided with screw thread b12, screw thread a10 meshes with screw thread b12 mutually, syringe needle 6 rotates with connecting pipe 5 to be connected, through setting up screw thread a10 and screw thread b12, make things convenient for people to dismantle syringe needle 6 and connecting pipe 5, thereby when syringe needle 6 damages, people only need with syringe needle 6 replace can, do benefit to practical use.

A sealing ring 11 is fixedly arranged at one end of the connecting pipe 5, and the sealing ring 11 is arranged at one end of the connecting pipe 5, so that the condition that liquid overflows from the joint of the connecting pipe 5 and the needle 6 when people suck liquid through a negative pressure suction apparatus is avoided, and a sealing effect is achieved.

The bottom surface of needle body 1 is provided with holding device, holding device includes handle 7, handle 7 fixed mounting is in the bottom surface of needle body 1, the surface cover of handle 7 is equipped with rubber sleeve 9, handle 7's surface is seted up flutedly 8, the quantity of recess 8 is four groups, through setting up handle 7, make things convenient for people to grip needle body 1, thereby needle body 1's stability has been improved, simultaneously through seting up multiunit recess 8 on handle 7's surface, the shape of people's hand has been laminated, thereby it is more firm when making people grip handle 7.

The shape of rubber sleeve 9 is the same with handle 7, and rubber sleeve 9 and handle 7 sliding connection through setting up rubber sleeve 9, the condition of skidding appears when avoiding people to grip handle 7, through the handle 7 shape of laminating rubber sleeve 9 to when improving people and gripping and feeling, make rubber sleeve 9 can fasten on handle 7, improved the stability of

rubber sleeve

9, 7 superficial dismantlements can be followed to rubber sleeve 9 simultaneously, make things convenient for people to clear up it.

The working principle is as follows: by arranging the needle body 1, the medicine injection port 2, the negative pressure aspirator connecting port 3, the negative pressure aspirator switch 4, the connecting pipe 5, the needle head 6, the thread a10 and the thread b12, when the needle head 6 is damaged, people rotate the needle head 6 at the moment, because the thread a10 is meshed with the thread b12, when the needle head 6 rotates away from the inside of the connecting pipe 5, the needle head 6 is disassembled at the moment, when people replace the needle head 6, the needle head is connected with the negative pressure aspirator through the negative pressure aspirator connecting port 3 at the moment, and the negative pressure aspirator is started by operating the negative pressure aspirator switch 4, the negative pressure can be adjusted, meanwhile, the medicine can be conveyed into the inside of the needle body 1 through the medicine injection port 2, people can carry out tympanic membrane puncture by holding the handle 7 of the needle body, through arranging the holding device, when people use the needle body 1 to puncture, the stability of the needle body handle 7 can be increased, meanwhile, the rubber sleeve 9 is sleeved on the surface of the grip 7, so that the slipping condition of the grip 7 when people hold the grip is avoided, and meanwhile, the rubber sleeve 9 can be detached from the surface of the grip 7, so that people can clean the grip conveniently.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a hand-held type tympanic membrane puncture suction device, includes needle body (1), its characterized in that: one side of needle body (1) is provided with medicine injection port (2), the one end of needle body (1) is provided with vacuum aspiration ware connector (3), vacuum aspiration ware switch (4) are equipped with to the position department that medicine injection port (2) were kept away from in one side of needle body (1), connecting pipe (5) are adorned admittedly to the other end of needle body (1), the one end of connecting pipe (5) is provided with syringe needle (6), the inside of connecting pipe (5) is provided with screw thread a (10), the surface of syringe needle (6) is provided with screw thread b (12), the bottom surface of needle body (1) is provided with the device of gripping.

2. The hand-held tympanocentesis suction device of claim 1, wherein: the thread a (10) is meshed with the thread b (12), and the needle head (6) is rotatably connected with the connecting pipe (5).

3. A hand-held tympanocentesis suction device according to claim 2, wherein: and a sealing ring (11) is fixedly arranged at one end of the connecting pipe (5).

4. The hand-held tympanocentesis suction device of claim 1, wherein: the holding device comprises a grip (7), the grip (7) is fixedly arranged on the bottom surface of the needle body (1), and a rubber sleeve (9) is sleeved on the surface of the grip (7).

5. The hand-held tympanocentesis suction device of claim 4, wherein: grooves (8) are formed in the surface of the handle (7), and the number of the grooves (8) is four.

6. The hand-held tympanocentesis suction device of claim 5, wherein: the shape of the rubber sleeve (9) is the same as that of the grip (7), and the rubber sleeve (9) is connected with the grip (7) in a sliding mode.