Nasal cavity spraying device for otolaryngology department

Abstract

The nasal cavity spraying device comprises a bottle body, a liquid inlet hole is formed in the middle of the top face of the bottle body, a liquid inlet valve is connected to the middle of the top wall of the bottle body in a threaded mode, a liquid storage pipe is connected to the top face of the bottle body in a threaded mode, a piston is slidably connected to the inner side face of the liquid storage pipe, and a first spring is fixedly connected to the bottom end of the piston. A sliding pipe is fixedly connected to the top face of the piston, a spray head is inserted into the top end of the sliding pipe, a fixed pipe is fixedly connected to the top end of the outer side face of the liquid storage pipe, a limiting ring is slidably connected between the sliding pipe and the fixed pipe, limiting assemblies are arranged at the two ends of the outer side face of the limiting ring, and a plurality of positioning holes are formed in the two ends of the outer side face of the fixed pipe. The fixing tube, the positioning holes, the limiting ring and the limiting assembly are arranged, quantitative spraying of medicine is achieved, the multiple positioning holes correspond to the medicine liquid usage amount of patients of different ages and genders, and the patients can adjust and use the medicine liquid conveniently according to the conditions of themselves.

Description

Technical Field

[0001] The utility model relates to the technical field of nasal spray, in particular to a nasal spray device for otolaryngology. Background Art

[0002] In otolaryngology treatment, patients usually need to use a nasal spray device to spray the medicine into the nasal cavity. The nasal spray device draws the medicine into the nozzle and then atomizes it using the atomization principle. The medicine is sprayed out through the action of pressure, thereby expanding the coverage area of ​​the medicine, making the distribution of the medicine more even and achieving better treatment effect.

[0003] The existing nasal spray device cannot adjust the amount of liquid medicine sprayed when in use. Patients of different genders and ages require different liquid medicine dosages. Too much or too little spray can easily affect the treatment effect. Utility Model Content

[0004] The purpose of the utility model is to provide a nasal spray device for otolaryngology to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nasal spray device for otolaryngology, comprising a bottle body, a liquid inlet hole is provided in the middle of the top surface of the bottle body, a liquid inlet valve is threadedly connected to the middle of the top wall of the bottle body, a liquid storage tube is threadedly connected to the top surface of the bottle body, a piston is slidably connected to the inner side surface of the liquid storage tube, a first spring is fixedly connected to the bottom end of the piston, a sliding tube is fixedly connected to the top surface of the piston, through holes are provided in the middle of the piston and the sliding tube, a spray head is plugged into the top end of the sliding tube, a fixed tube is fixedly connected to the top end of the outer side surface of the liquid storage tube, a limiting ring is slidably connected between the sliding tube and the fixed tube, limiting components are arranged at both ends of the outer side surface of the limiting ring, and a plurality of positioning holes are provided at both ends of the outer side surface of the fixed tube.

[0006] Preferably, the limit assembly includes two mounting holes, which are opened at both ends of the outer side of the limit ring, a second spring is fixedly connected to one side of the inner part of the mounting hole, one end of the second spring is fixedly connected to the limit block, the limit block is located in the mounting hole close to one end of the second spring, and the limit block is located in the positioning hole away from one end of the second spring.

[0007] Preferably, a placement groove is provided on the top surface of the bottle body, the placement groove is located between the inner side walls of the liquid storage tube, and the bottom end of the first spring abuts against the placement groove.

[0008] Preferably, a bottle cap is threadedly connected to the bottom end of the bottle body, and a protective cover is clamped on the top end of the bottle body.

[0009] Preferably, a liquid suction tube is inserted at the bottom end of the liquid inlet valve, and two extension plates are fixedly connected to the top end of the outer side surface of the sliding tube.

[0010] Preferably, the liquid inlet valve and the interior of the liquid storage tube are communicated with each other through a liquid inlet hole, and the inner side surface of the limit ring is slidably connected to the outer side surface of the sliding tube.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model is provided with a fixing tube, a positioning hole, a limiting ring and a limiting assembly; the limiting block is pressed into the mounting hole, and the limiting ring is slid to the position of the corresponding positioning hole; under the action of the second spring, the limiting block pops out into the corresponding positioning hole, thereby limiting the limiting ring, thereby limiting the downward position of the sliding tube, and realizing quantitative spraying of the medicine; the multiple positioning holes correspond to the amount of medicine used by patients of different ages and genders, so that the patients can adjust the use according to their own conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0015] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model.

[0016] In the figure: 1. bottle body; 2. liquid inlet hole; 3. liquid inlet valve; 4. liquid storage tube; 5. piston; 6. first spring; 7. sliding tube; 8. through hole; 9. nozzle; 10. fixed tube; 11. limiting ring; 12. limiting assembly; 121. mounting hole; 122. second spring; 123. limiting block; 13. positioning hole; 14. placement groove; 15. bottle cap; 16. protective cover; 17. pipette; 18. extension plate; 19. slide groove. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3The utility model provides a technical solution: a nasal spray device for otolaryngology, comprising a bottle body 1, a liquid inlet hole 2 is arranged in the middle of the top surface of the bottle body 1, a liquid inlet valve 3 is threadedly connected to the middle of the top wall of the bottle body 1, a liquid storage tube 4 is threadedly connected to the top surface of the bottle body 1, a piston 5 is slidably connected to the inner side of the liquid storage tube 4, a first spring 6 is welded to the bottom end of the piston 5, a sliding tube 7 is installed on the top surface of the piston 5 by bolts, a through hole 8 is arranged in the middle of the piston 5 and the sliding tube 7, a nozzle 9 is plugged into the top end of the sliding tube 7, a fixed tube 10 is installed at the top end of the outer side of the liquid storage tube 4 by bolts, a limiting ring 11 is slidably connected to the outer side of the sliding tube 7 and the inner side of the fixed tube 10, a limiting assembly 12 is installed at both ends of the outer side of the limiting ring 11, a plurality of positioning holes 13 are arranged at both ends of the outer side of the fixed tube 10, and the liquid inlet valve 3 and the nozzle 9 are both one-way valve structures.

[0019] The limiting assembly 12 includes two mounting holes 121, and the two mounting holes 121 are opened at both ends of the outer side of the limiting ring 11. The second spring 122 is welded to one side of the inner side of the mounting hole 121, and the limiting block 123 is welded to one end of the second spring 122. The limiting block 123 is located in the mounting hole 121 at one end close to the second spring 122, and is located in the positioning hole 13 at one end away from the second spring 122.

[0020] The placement groove 14 is opened on the top surface of the bottle body 1 , and the placement groove 14 is located between the inner side walls of the liquid storage tube 4 , and the bottom end of the first spring 6 is placed in the placement groove 14 .

[0021] The bottle cap 15 is threadedly connected to the bottom end of the bottle body 1 to facilitate adding liquid medicine to the bottle body 1. The protective cover 16 is clamped to the top end of the bottle body 1 to protect the spray head.

[0022] The liquid suction pipe 17 is plugged into the bottom end of the liquid inlet valve 3 , and two extension plates 18 are installed on the top of the outer side surface of the sliding tube 7 by bolts, so that the sliding tube 7 can be pressed conveniently by the extension plates 18 .

[0023] The liquid inlet valve 3 and the inside of the liquid storage tube 4 are communicated with each other through the liquid inlet hole 2. The slide grooves 19 are provided at both ends of the fixed tube 10, and the slide grooves 19 are used for the extension plate 18 to pass through.

[0024] Working principle: When the utility model is in use, the limit block 123 is pressed into the installation hole 121, and the limit ring 11 is slid to the position of the corresponding positioning hole 13. Under the action of the second spring 122, the limit block 123 pops out into the corresponding positioning hole 13, thereby limiting the limit ring 11, pressing the extension plate 18, and the extension plate 18 drives the sliding tube 7 and the piston 5 to move downward. The piston 5 squeezes the medicine in the liquid storage tube 4 through the through hole 8, and then the medicine is sprayed out through the nozzle 9 in atomization. The limit ring 11 limits the downward position of the sliding tube 7, thereby realizing the quantitative spraying of the medicine. Multiple positioning holes 13 correspond to the amount of medicine used by patients of different ages and genders, which is convenient for patients to adjust the use according to their own conditions. The utility model has the advantages of easy use and good use effect.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nasal spray device for otolaryngology, comprising a bottle (1), characterized in that: A liquid inlet hole (2) is provided in the middle of the top surface of the bottle body (1); a liquid inlet valve (3) is threadedly connected to the middle of the top wall of the bottle body (1); a liquid storage tube (4) is threadedly connected to the top surface of the bottle body (1); a piston (5) is slidably connected to the inner side surface of the liquid storage tube (4); a first spring (6) is fixedly connected to the bottom end of the piston (5); a sliding tube (7) is fixedly connected to the top surface of the piston (5); a through hole (8) is provided in the middle of the piston (5) and the sliding tube (7); a nozzle (9) is inserted at the top end of the sliding tube (7); a fixed tube (10) is fixedly connected to the top end of the outer side surface of the liquid storage tube (4); a limiting ring (11) is slidably connected between the sliding tube (7) and the fixed tube (10); limiting components (12) are provided at both ends of the outer side surface of the limiting ring (11); and a plurality of positioning holes (13) are provided at both ends of the outer side surface of the fixed tube (10).

2. The nasal spray device for otorhinolaryngology according to claim 1, characterized in that: The limiting assembly (12) comprises two mounting holes (121), the two mounting holes (121) are arranged at two ends of the outer side surface of the limiting ring (11), a second spring (122) is fixedly connected to one side of the inside of the mounting hole (121), one end of the second spring (122) is fixedly connected to a limiting block (123), one end of the limiting block (123) close to the second spring (122) is located in the mounting hole (121), and one end of the limiting block (123) away from the second spring (122) is located in the positioning hole (13).

3. The nasal spray device for otorhinolaryngology according to claim 1, characterized in that: The top surface of the bottle body (1) is provided with a placement groove (14), the placement groove (14) is located between the inner side walls of the liquid storage tube (4), and the bottom end of the first spring (6) is in contact with the placement groove (14).

4. The nasal spray device for otolaryngology according to claim 1, characterized in that: The bottom end of the bottle body (1) is threadedly connected with a bottle cap (15), and the top end of the bottle body (1) is clamped with a protective cover (16).

5. The nasal spray device for otolaryngology according to claim 1, characterized in that: A liquid suction tube (17) is inserted at the bottom end of the liquid inlet valve (3), and two extension plates (18) are fixedly connected to the top end of the outer side surface of the sliding tube (7).

6. The nasal spray device for otolaryngology according to claim 1, characterized in that: The liquid inlet valve (3) and the interior of the liquid storage tube (4) are connected to each other through the liquid inlet hole (2), and sliding grooves (19) are provided at both ends of the fixed tube (10).

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