Nasal cavity administration device

By designing a rotatable adjustment ring and a separate nasal doser with a separation of the drug grid, the problem of the inability to spray uniformly in the prior art Chinese medicine liquids is solved, and uniform spraying and saving of the medicine liquids is achieved, which is suitable for the conditions of different patients.

CN222605211UActive Publication Date: 2025-03-14NANNING EIGHTH PEOPLES HOSPITAL
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Patent Information

Application Number
CN202420925532.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-03-14
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

Existing nasal drug delivery devices cannot achieve uniform spraying of medicine liquids, resulting in waste of drugs and the inability to act uniformly on the affected areas in the nasal cavity.

Method used

A nasal drug delivery device is designed, using a rotatable adjustment ring and a separate drug outlet grid. The rotation of the adjustment ring enables switching of the drug outlet and the spraying area, which are used for nasal rinsing and spraying of the drug liquid respectively.

Benefits of technology

It realizes uniform spraying of the medicine liquid, saves the medicine liquid, and is suitable for the conditions of different patients, improving the effectiveness and applicability of the medicine liquid.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nasal cavity administration device which comprises a syringe, an adjusting ring and a medicine outlet ring which are connected in sequence. The adjusting ring is rotatably arranged between the syringe and the medicine outlet ring; one half of the upper end face of the adjusting ring is closed and the other half is through; a partition plate is arranged in the medicine outlet ring; the medicine outlet ring is divided into a medicine outlet grid I and a medicine outlet grid II by the partition plate; the front end of the medicine outlet ring is connected with a medicine feeding head; a medicine outlet and a medicine spraying area are arranged at the front end of the medicine feeding head; the medicine outlet is communicated with the medicine outlet grid II; and the pesticide spraying area is communicated with the pesticide outlet grid I. The nasal cavity administration device can switch a nasal cavity administration mode between a large amount of medicine output and a spraying mode, can be used for nasal cavity cleaning, can also evenly spray medicine to an affected part, is suitable for different illness states of patients, and is wide in applicability.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical auxiliary equipment, and in particular relates to a nasal medication device. Background Art

[0002] The nose is often affected by adverse external factors and is prone to infection by various pathogenic microorganisms, which can cause nasal furuncle, nasal vestibulitis, inflammation of the nasal cavity and sinuses, seriously endangering human health. To treat diseases in the nasal cavity, it is often necessary to insert a nasal drug delivery device into the nasal cavity and drip the drug solution into the nasal cavity. The common nasal drug delivery device is a bottle containing drug solution, with a long tube on the bottle and an outlet at the end of the long tube. When in use, the long tube is inserted into the patient's nasal cavity, and then the bottle containing the drug is squeezed so that the drug solution is squeezed into the long tube, and finally drips from the outlet into the patient's nasal cavity.

[0003] This type of nasal drug delivery device can only dispense medicine from one outlet, and when used, a large amount of medicine is dispensed, which is suitable for nasal drug flushing. However, it is impossible to spray the liquid medicine into small droplets. Since a large amount of medicine is dispensed each time, it will cause waste. In addition, due to the presence of nasal hair and air in the nasal cavity, large drops of medicine are blocked by the nasal hair after entering the nasal cavity, or are blocked by bubbles formed by the air in the nasal cavity. Sometimes, it cannot act evenly on the diseased part in the nasal cavity, which is not conducive to uniform contact of the medicine in the nasal cavity. Utility Model Content

[0004] The purpose of the utility model is to propose a nasal drug delivery device in view of the problems that the nasal drug delivery device in the prior art is more suitable for nasal irrigation, but cannot be converted into a form of spraying small droplets, resulting in drug waste, and cannot act evenly on the diseased part in the nasal cavity, affecting the use effect. The utility model device can switch the nasal drug delivery mode between large-scale drug delivery and spraying, can be used for nasal cleaning, and can also spray the drug evenly on the patient's part, suitable for different patients with different conditions, and has a wide range of applicability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A nasal drug delivery device comprises an injection barrel, an adjustment ring and a medicine discharging ring which are connected in sequence; the adjustment ring is rotatably arranged between the injection barrel and the medicine discharging ring; one half of the upper end surface of the adjustment ring is closed and the other half is connected; a partition is arranged inside the medicine discharging ring; the partition divides the medicine discharging ring into a medicine discharging grid I and a medicine discharging grid II; a drug discharging head is connected to the front end of the medicine discharging ring; a drug discharging port and a medicine sprinkling area are arranged at the front end of the drug discharging head; the drug discharging port is connected to the medicine discharging grid II; the medicine sprinkling area is connected to the medicine discharging grid I.

[0007] The syringe is used to contain liquid medicine. When loading medicine, the piston of the syringe can be pulled out from the rear of the syringe, and then liquid medicine can be added and then the piston can be installed back, or the syringe can be used to directly absorb liquid medicine through the medicine outlet; after the adjusting ring is rotated, the through half is aligned with the medicine outlet grid I or the medicine outlet grid II, and when the medicine outlet grid I is aligned, the liquid medicine can pass through, while the medicine outlet grid II is blocked by the closed half of the adjusting ring and cannot pass through the liquid medicine, on the contrary, the liquid medicine can pass through the medicine, thereby realizing the switching between the medicine outlet and the medicine sprinkling area; when the medicine outlet grid II can pass through the liquid medicine, the liquid medicine flows out from the medicine outlet, and nasal washing can be realized; when the medicine outlet grid I can pass through the liquid medicine, the liquid medicine is sprayed out from the medicine sprinkling area in the form of small droplets, which can be evenly sprayed into the nasal cavity and save the liquid medicine.

[0008] As a further technical improvement, a half cover is provided at one end of the adjusting ring connected to the medicine outlet ring; the half cover divides the adjusting ring into two halves, and the half of the adjusting ring without the half cover is the medicine passing area; the medicine passing area corresponds to medicine outlet grid I and medicine outlet grid II. When the medicine passing area is aligned with medicine outlet grid I, medicine outlet grid I can pass the medicine liquid, and at this time the medicine liquid enters the medicine spraying area, while medicine outlet grid II is blocked and cannot pass the medicine liquid; when the medicine passing area is aligned with medicine outlet grid II, medicine grid II can pass the medicine liquid, and at this time the medicine liquid enters the medicine outlet and finally flows out.

[0009] As a further technical improvement, the dosing head is provided with a dosing tube I and a dosing tube II; one end of the dosing tube I is connected to the medicine sprinkling area, and the other end is connected to the medicine outlet grid I; one end of the dosing tube II passes through the medicine sprinkling area and is connected to the medicine outlet, and the other end is connected to the medicine outlet grid II. The dosing tube I can introduce the medicine liquid from the medicine outlet grid I into the medicine sprinkling area; the dosing tube II can introduce the medicine liquid from the dosing tube II into the medicine outlet.

[0010] As a further technical improvement, a bottom plate is provided at the bottom of the spraying area; the drug delivery pipe I passes through the bottom plate and enters the spraying area. The bottom plate separates the spraying area into an independent space that is not connected to the lower part of the drug delivery head.

[0011] As a further technical improvement, the spraying area is provided with small holes for spraying medicine, which can spray the liquid medicine in the spraying area.

[0012] As a further technical improvement, the upper end surface of the adjustment ring is provided with a raised connection ring I, and the lower end surface is provided with a recessed connection groove I; the bottom of the medicine discharge ring is provided with a connection groove II corresponding to the connection ring I; the injection barrel is provided with a connection ring II corresponding to the connection groove I. The adjustment ring is rotatably connected to the medicine discharge ring by the form of sleeve connection between the connection ring I and the connection groove II; the adjustment ring is rotatably connected to the injection barrel by the form of sleeve connection between the connection groove I and the connection ring II.

[0013] As a further technical improvement, the injection barrel is filled with liquid medicine.

[0014] The method of using the above-mentioned nasal drug delivery device:

[0015] During use, the adjustment ring is turned according to demand. When a large amount of medicine liquid is needed to be flushed into the patient's nasal cavity, such as nasal irrigation, the adjustment ring is turned so that the half of the adjustment ring is aligned with the medicine outlet grid II, and the medicine outlet grid I is blocked; at this time, the piston of the injection barrel is squeezed, and the medicine liquid passes through the medicine outlet grid II and enters the medicine outlet, so that the medicine flows out, and the squeezing of the injection barrel is accelerated, so that more medicine flows out; if it is necessary to spray the medicine liquid in the nasal cavity, the adjustment ring is turned so that the half of the adjustment ring is aligned with the medicine outlet grid I, and the medicine outlet grid II is blocked; at this time, the piston of the injection barrel is squeezed, and the medicine liquid passes through the medicine outlet grid I and enters the medicine spraying area, and then is evenly sprayed in the nasal cavity, so that the medicine liquid covers and contacts the nasal cavity more evenly, and also saves medicine liquid.

[0016] The technical solution of the utility model has the following beneficial effects:

[0017] 1. The utility model device can make the medicine outlet grid I or one of the medicine outlet grids II pass the medicine liquid by rotating the adjustment ring, realizing the alternating switching of the medicine outlet and the medicine spraying area, so that the nasal drug delivery device can switch back and forth between large-scale medicine discharge and spraying medicine discharge, and is suitable for use with different patients' conditions.

[0018] 2. The device of the utility model has a medicine outlet and a medicine spraying area, which can respectively deliver medicine to the nasal cavity in the form of water flow or small droplet spraying. The switching operation is simple and convenient, the applicability is wide, and the medicine solution is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of the three-dimensional structure of the device.

[0020] Figure 2 It is a schematic diagram of the structure of the drug dispensing ring and the drug dispensing head.

[0021] Figure 3 It is a schematic diagram of the structure of the drug delivery head end.

[0022] Figure 4 It is a schematic diagram of the connection structure between the adjustment ring, the injection barrel and the medicine discharge ring.

[0023] Figure numerals: 1-injection barrel, 2-adjusting ring, 3-drug outlet ring, 4-half cover plate, 5-drug passing area, 6-partition plate, 7-drug outlet grid I, 8-drug outlet grid II, 9-drug dispensing head, 10-drug outlet, 11-drug sprinkling area, 12-drug dispensing tube I, 13-drug dispensing tube II, 14-connecting ring I, 15-connecting groove I, 16-connecting groove II, 17-connecting ring II, 18-drug dispensing hole, 19-bottom plate. DETAILED DESCRIPTION

[0024] The utility model will be further described below in conjunction with the accompanying drawings.

[0025] Embodiment 1:

[0026] like Figures 1 to 3 As shown, a nasal drug delivery device comprises an injection barrel 1, an adjustment ring 2 and a medicine discharging ring 3 connected in sequence; the adjustment ring 2 is rotatably arranged between the injection barrel 1 and the medicine discharging ring 3; half of the upper end surface of the adjustment ring 2 is closed and the other half is through; a partition 6 is arranged inside the medicine discharging ring 3; the partition 6 divides the medicine discharging ring 3 into a medicine discharging grid Ⅰ7 and a medicine discharging grid Ⅱ8; a drug delivery head 9 is connected to the front end of the medicine discharging ring 3; a drug delivery port 10 and a drug sprinkling area 11 are arranged at the front end of the drug delivery head 9; the drug delivery port 10 is communicated with the medicine discharging grid Ⅱ8; the drug sprinkling area 11 is communicated with the medicine discharging grid Ⅰ7.

[0027] A half cover plate 4 is provided at one end of the adjusting ring 2 connected to the medicine outlet ring 3; the half cover plate 4 divides the adjusting ring 2 into two halves, and the half of the adjusting ring 2 without the half cover plate 4 is the medicine passing area 5; the medicine passing area 5 corresponds to the medicine outlet grid Ⅰ7 and the medicine outlet grid Ⅱ8.

[0028] The dosing head 9 is provided with a dosing tube I 12 and a dosing tube II 13; one end of the dosing tube I 12 is connected to the medicine sprinkling area 11, and the other end is connected to the medicine outlet grid I 7; one end of the dosing tube II 13 passes through the medicine sprinkling area 11 and is connected to the medicine outlet 10, and the other end is connected to the medicine outlet grid II 8.

[0029] A bottom plate 19 is provided at the bottom of the spraying area 11 ; the drug delivery tube I 12 passes through the bottom plate 19 and then enters the spraying area 11 .

[0030] The medicine spraying area 11 is provided with medicine outlet holes 18 .

[0031] The method of using the utility model is as follows:

[0032] During use, the adjusting ring 2 is rotated according to demand. When a large amount of liquid medicine is needed to be flushed into the patient's nasal cavity, such as for nasal irrigation, the adjusting ring 2 is rotated so that the half of the adjusting ring 2 that is connected is aligned with the medicine outlet grid II8, and the medicine outlet grid I7 is blocked; at this time, the piston of the injection barrel 1 is squeezed, and the liquid medicine passes through the medicine outlet grid II8 and enters the medicine outlet 10, so that the medicine flows out, and the squeezing of the injection barrel 1 is accelerated, so that more medicine flows out; if it is necessary to spray the liquid medicine in the nasal cavity, the adjusting ring 2 is rotated so that the half of the adjusting ring 2 that is connected is aligned with the medicine outlet grid I7, and the medicine outlet grid II8 is blocked; at this time, the piston of the injection barrel 1 is squeezed, and the liquid medicine passes through the medicine outlet grid I7 and enters the medicine spraying area 11, and then is evenly sprayed in the nasal cavity, so that the liquid medicine covers and contacts the nasal cavity more evenly, and also saves liquid medicine.

[0033] Embodiment 2:

[0034] The difference between this embodiment and embodiment 1 is that: Figure 4 As shown, the upper end surface of the adjustment ring 2 is provided with a raised connecting ring Ⅰ14, and the lower end surface is provided with a recessed connecting groove Ⅰ15; the bottom of the medicine discharge ring 3 is provided with a connecting groove Ⅱ16 which is movably connected to the connecting ring Ⅰ14; the injection barrel 1 is provided with a connecting ring Ⅱ17 which is movably connected to the connecting groove Ⅰ15.

[0035] The method of use of this embodiment is the same as that of embodiment 1.

[0036] Embodiment 3:

[0037] The difference between this embodiment and embodiment 2 is that the injection barrel 1 contains liquid medicine.

[0038] The method of use of this embodiment is the same as that of embodiment 1.

[0039] Embodiment 4:

[0040] The difference between this embodiment and embodiment 3 is that: Figure 4 As shown, the upper end surface of the adjusting ring 2 is provided with a protruding connecting ring Ⅰ14, and the lower end surface is provided with a recessed connecting groove Ⅰ15; the bottom of the medicine discharging ring 3 is provided with a connecting groove Ⅱ16 movably connected to the connecting ring Ⅰ14; the injection barrel 1 is provided with a connecting ring Ⅱ17 movably connected to the connecting groove Ⅰ15. The injection barrel 1 is filled with liquid medicine.

[0041] The method of use of this embodiment is the same as that of embodiment 1.

[0042] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Personnel in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A nasal drug delivery device, characterized in that: The invention comprises an injection barrel (1), an adjustment ring (2) and a medicine discharge ring (3) which are connected in sequence; the adjustment ring (2) is rotatably arranged between the injection barrel (1) and the medicine discharge ring (3); one half of the upper end surface of the adjustment ring (2) is closed and the other half is open; a partition (6) is arranged inside the medicine discharge ring (3); the partition (6) divides the medicine discharge ring (3) into a medicine discharge grid I (7) and a medicine discharge grid II (8); a drug dispensing head (9) is connected to the front end of the medicine discharge ring (3); a drug dispensing port (10) and a drug sprinkling area (11) are arranged at the front end of the drug dispensing head (9); the drug dispensing port (10) is connected to the medicine discharge grid II (8); and the drug sprinkling area (11) is connected to the medicine discharge grid I (7).

2. The nasal drug delivery device according to claim 1, characterized in that: A half cover plate (4) is provided at one end of the adjusting ring (2) connected to the medicine outlet ring (3); the half cover plate (4) divides the adjusting ring (2) into two halves, and the half of the adjusting ring (2) without the half cover plate (4) is a medicine passing area (5); the medicine passing area (5) corresponds to the medicine outlet grid I (7) and the medicine outlet grid II (8).

3. The nasal drug delivery device according to claim 1, characterized in that: The dosing head (9) is provided with a dosing tube I (12) and a dosing tube II (13); one end of the dosing tube I (12) is connected to the medicine sprinkling area (11), and the other end is connected to the medicine outlet grid I (7); one end of the dosing tube II (13) passes through the medicine sprinkling area (11) and is connected to the medicine outlet (10), and the other end is connected to the medicine outlet grid II (8).

4. The nasal drug delivery device according to claim 3, characterized in that: A bottom plate (19) is provided at the bottom of the spraying area (11); the drug delivery tube I (12) passes through the bottom plate (19) and then enters the spraying area (11).

5. The nasal drug delivery device according to claim 1, characterized in that: The medicine spraying area (11) is provided with medicine outlet holes (18) distributed thereon.

6. The nasal drug delivery device according to claim 1, characterized in that: The upper end surface of the adjusting ring (2) is provided with a protruding connecting ring I (14), and the lower end surface is provided with a recessed connecting groove I (15); the bottom of the medicine discharging ring (3) is provided with a connecting groove II (16) movably connected to the connecting ring I (14); and the injection barrel (1) is provided with a connecting ring II (17) movably connected to the connecting groove I (15).

7. The nasal drug delivery device according to claim 1, characterized in that: The injection barrel (1) contains liquid medicine.