Atomization catheter capable of targeted administration

Abstract

An atomization catheter capable of targeted administration, comprising: a catheter body (1), the upper surface of the catheter body (1) being provided with a nozzle apparatus (20); the nozzle apparatus (20) comprises a connector (27), a connecting tube (28), a nozzle (21), and a protective cover (25); the inner surface of the catheter body (1) is provided with a gasket mounting groove (2). The nozzle apparatus (20) on the catheter body (1) is provided in combination with an air storage cavity (19) and a fine mesh (15) of an acceleration apparatus (14), such that the atomized particles are more uniform.

Description

A targetable aerosol catheter TECHNICAL FIELD

[0001] The present application relates to the technical field of aerosol catheters, in particular to a targetable aerosol catheter. BACKGROUND

[0002] Targeted aerosol catheter: a device that atomizes drugs and accurately delivers them to the designated site of the patient, its basic structure usually includes a drug storage bin, an atomizer, a catheter and a control system. The drug storage bin is used to store liquid drugs, the atomizer converts the drug liquid into fine aerosol particles, and the catheter is responsible for delivering these tiny particles to the target area, such as the respiratory tract or specific organs. The control system adjusts the delivery speed and dose of the drug according to the patient's condition or the doctor's instructions. Through this targeted delivery, the drug can directly act on the diseased site, avoiding the side effects that may be brought by systemic administration.

[0003] Although the targeted aerosol catheter performs outstandingly in precise drug delivery, it has defects. The size and uneven distribution of aerosol particles may cause the drug to not uniformly cover the target site, affecting the treatment effect. The length and curvature of the catheter affect the delivery efficiency of the aerosol particles, causing the drug to deposit in the catheter.

[0004] SUMMARY

[0005] In view of the defects of the prior art, the present application provides a targetable aerosol catheter, which solves the problem that the size and uneven distribution of aerosol particles may cause the drug to not uniformly cover the target site, and the length and curvature of the catheter affect the delivery efficiency of the aerosol particles.

[0006] To achieve the above purpose, the present application is implemented by the following technical scheme: a targetable aerosol catheter, comprising:

[0007] The upper surface of the catheter body is provided with a spray head device, the spray head device comprises a connecting head, a connecting pipe, a nozzle and a protective cover, and the inner surface of the catheter body is provided with a gasket mounting groove;

[0008] The air bag blowing device comprises an air bag body, a one-way valve and an air bag mounting groove, the air bag mounting groove is located in the inside of the catheter body, the air bag blowing device is located in the inside of the air bag mounting groove and extends to the outside of the catheter body, and the one-way valve is fixedly connected with the air bag body;

[0009] The protection device comprises a glass paper baffle, a center through hole and a gasket body;

[0010] The speed increasing device comprises a gas storage cavity, a fine mesh, a conical cylinder, a third opening, an elastic sheet and a second one-way valve.

[0011] Preferably, the spray head device further comprises a threaded hole, a threaded slot, a nozzle through hole and a nozzle hole, the threaded hole is located on the upper side of the connecting head, the diameter of the connecting pipe is the same as the inner diameter of the catheter body, the threaded slot is located on the outer side of the nozzle, and the nozzle hole is located on the upper side of the nozzle.

[0012] Preferably, the protective cover is located on the outer side of the nozzle, the connecting pipe is fixedly connected with the lower side of the third opening, and the nozzle is threadedly connected with the connecting head.

[0013] Preferably, the air bag blowing device further comprises a pressing cavity, a first opening and a second opening, the pressing cavity is located in the inside of the air bag body, the second opening is located on the catheter body, the first opening is located on the air bag body, the positions of the first opening and the second opening correspond to each other, and the first opening and the second opening are in multiple and annular array distribution.

[0014] Preferably, the side surface of the gasket body is fixedly connected with glass paper flaps, the glass paper flaps are in multiple and annular distribution, a center through hole is formed between the glass paper flaps, the glass paper flaps are located on the outer side of the second opening, and the gasket body is fixedly connected with a gasket mounting groove.

[0015] Preferably, the inner surface of the elastic sheet is fixedly connected with the inner surface of the catheter body, the inner surface of the elastic sheet is fixedly connected with the conical cylinder, and the fine mesh is located on the side surface of the conical cylinder.

[0016] Preferably, the lower edge of the fine mesh is fixedly connected with the inner surface of the catheter body, the third opening is located in the inside of the catheter body and extends to the inside of the pressing cavity, and the second one-way valve is located in the inside of the third opening and is connected with the pressing cavity and the gas storage cavity.

[0017] Preferably, the gas storage cavity is located between the catheter body, the conical cylinder and the elastic sheet.

[0018] The present application provides a targetable aerosol catheter.

[0019] The targetable aerosol catheter effectively solves the problems of uneven size and distribution of aerosol particles in the prior art by providing a spray head device on the catheter body, combining the gas storage cavity and the fine mesh of the speed increasing device, the design of the fine mesh and the conical cylinder makes the aerosol particles more uniform, ensures that the drug can accurately cover the target site, and the elastic sheet improves the aerosol efficiency while ensuring the stability of the aerosol. Through this fine structure design, the present application can realize more accurate targeted drug delivery in complex medical environment and improve the treatment effect.

[0020] In order to solve the problem that the length and bending of the catheter affect the delivery efficiency of atomized particles, the air bag blowing device and the protection device are introduced, the air bag blowing device cooperates with the one-way valve and the pressing cavity to ensure that the medicine can smoothly pass through the catheter and reach the designated position, the glass paper baffle of the protection device provides effective protection for the catheter, prevents foreign matters from entering, guarantees the purity of the medicine and the normal work of the catheter, the flexibility of the air bag blowing device further enhances the operability and applicability of the system, so that the catheter can adapt to more complex surgical scenes. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is a schematic diagram of the overall structure of the present application;

[0022] Fig. 2 is a schematic diagram of the internal structure of the present application;

[0023] Fig. 3 is an enlarged schematic diagram of the structure at A in Fig. 1 of the present application;

[0024] Fig. 4 is an enlarged schematic diagram of the structure at A in Fig. 1 of the present application;

[0025] Fig. 5 is an exploded view of part of the structure of the present application;

[0026] Fig. 6 is a schematic diagram of the structure of the protection device of the present application.

[0027] Wherein, 1, catheter body; 2, gasket mounting groove; 3, protection device; 4, glass paper baffle; 5, center through hole; 6, gasket body; 7, air bag blowing device; 8, air bag body; 9, pressing cavity; 10, first opening; 11, one-way valve; 12, second opening; 13, air bag mounting groove; 14, speed increasing device; 15, fine mesh; 16, conical cylinder; 17, third opening; 18, second one-way valve; 19, gas storage cavity; 20, nozzle device; 21, nozzle; 22, threaded groove; 23, threaded hole; 24, nozzle hole; 25, protective cover; 26, nozzle through hole; 27, connecting head; 28, connecting pipe; 29, elastic sheet. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] Embodiment one:

[0030] As shown in Figures 1-6, the embodiment of the present application provides a targetable aerosol catheter, comprising a catheter body 1, a spray head device 20 provided on the upper surface of the catheter body 1, the spray head device 20 comprising a connecting head 27, a connecting tube 28, a nozzle 21, a protective cover 25, an inner surface of the catheter body 1 being provided with a gasket mounting groove 2, the spray head device 20 further comprising a threaded hole 23, a threaded groove 22, a nozzle through hole 26 and a nozzle hole 24, the threaded hole 23 being located on the upper side of the connecting head 27, the connecting tube 28 having the same diameter as the inner diameter of the catheter body 1, the threaded groove 22 being located on the outer side of the nozzle 21, the nozzle hole 24 being located on the upper side of the nozzle 21, the protective cover 25 being located on the outer side of the nozzle 21, the connecting tube 28 being fixedly connected to the lower side of the third opening 17, and the nozzle 21 being threadedly connected to the connecting head 27.

[0031] An air bag blowing device 7, comprising an air bag body 8, a one-way valve 11 and an air bag mounting groove 13, the air bag mounting groove 13 being located inside the catheter body 1, the air bag blowing device 7 being located inside the air bag mounting groove 13 and extending to the outside of the catheter body 1, and the one-way valve 11 being fixedly connected to the air bag body 8.

[0032] A protection device 3, comprising a glass paper baffle 4, a center through hole 5 and a gasket body 6.

[0033] A speed increasing device 14, comprising a gas storage cavity 19, a fine mesh 15, a conical cylinder 16, a third opening 17, an elastic sheet 29 and a second one-way valve 18.

[0034] The embodiment one ensures that the aerosol particles are more uniform and delicate by setting the structures of the fine mesh 15 and the conical cylinder 16, effectively improves the coverage effect of the drug, the design of the gas storage cavity 19 of the speed increasing device 14 can further improve the speed and efficiency of the aerosol transmission, reduce the deposition of the drug in the catheter body 1, the structure of the nozzle 21 with the threaded hole 23 and the threaded groove 22 makes the spray head device 20 more stable, facilitates maintenance and replacement, thereby improving the overall service life and operation flexibility of the system.

[0035] The embodiment one ensures that the aerosol particles are more uniform and delicate by setting the structures of the fine mesh 15 and the conical cylinder 16, effectively improves the coverage effect of the drug, the design of the gas storage cavity 19 of the speed increasing device 14 can further improve the speed and efficiency of the aerosol transmission, reduce the deposition of the drug in the catheter body 1, the structure of the nozzle 21 with the threaded hole 23 and the threaded groove 22 makes the spray head device 20 more stable, facilitates maintenance and replacement, thereby improving the overall service life and operation flexibility of the system.

[0036] Embodiment two

[0037] As shown in Figures 1-6, the embodiment of the present application provides a targetable drug delivery catheter, comprising a catheter body 1, the upper surface of the catheter body 1 is provided with a spray head device 20, the spray head device 20 comprises a connecting head 27, a connecting pipe 28, a nozzle 21, a protective cover 25, and the inner surface of the catheter body 1 is provided with a gasket mounting groove 2.

[0038] The air bag blowing device 7 comprises an air bag body 8, a one-way valve 11 and an air bag mounting groove 13, the air bag mounting groove 13 is located inside the catheter body 1, the air bag blowing device 7 is located inside the air bag mounting groove 13 and extends to the outside of the catheter body 1, the one-way valve 11 is fixedly connected with the air bag body 8, the air bag blowing device 7 further comprises a pressing cavity 9, a first opening 10 and a second opening 12, the pressing cavity 9 is located inside the air bag body 8, the second opening 12 is located on the catheter body 1, the first opening 10 is located on the air bag body 8, the positions of the first opening 10 and the second opening 12 correspond to each other, the first opening 10 and the second opening 12 are in multiple and annular array distribution, the side surface of the gasket body 6 is fixedly connected with the glass paper baffle 4, the glass paper baffles 4 are in multiple and annular distribution, the central through hole 5 is formed between the glass paper baffles 4, the glass paper baffles 4 are located outside the second opening 12, and the gasket body 6 is fixedly connected with the gasket mounting groove 2.

[0039] The protection device 3 comprises the glass paper baffles 4, the central through hole 5 and the gasket body 6.

[0040] The speed increasing device 14 comprises a gas storage cavity 19, a fine mesh 15, a conical cylinder 16, a third opening 17, an elastic sheet 29 and a second one-way valve 18.

[0041] The embodiment two introduces the air bag blowing device 7, which can not only accurately control the delivery speed and flow of the drug, but also ensure that the drug uniformly passes through the catheter through the multiple opening annular array design of the first opening 10 and the second opening 12, the structure improves the transmission efficiency while increasing the durability and reliability of the equipment, the protection device 3 of the glass paper baffle 4 provides additional protection for the catheter, ensures that the inside of the catheter is not affected by external pollutants, and effectively maintains the purity of the drug.

[0042] Embodiment three:

[0043] As shown in Figures 1-6, the embodiment of the present application provides a targetable drug delivery catheter, comprising a catheter body 1, the upper surface of the catheter body 1 is provided with a spray head device 20, the spray head device 20 comprises a connecting head 27, a connecting pipe 28, a nozzle 21, a protective cover 25, and the inner surface of the catheter body 1 is provided with a gasket mounting groove 2.

[0044] The air bag blowing device 7 includes an air bag body 8, a one-way valve 11, and an air bag mounting groove 13 located inside the catheter body 1. The air bag blowing device 7 is located inside the air bag mounting groove 13 and extends to the outside of the catheter body 1. The one-way valve 11 is fixedly connected with the air bag body 8.

[0045] The protection device 3 includes a glass paper shield 4, a center through hole 5, and a gasket body 6.

[0046] The speed increasing device 14 includes a gas storage cavity 19, a fine mesh 15, a conical cylinder 16, a third opening 17, an elastic sheet 29, and a second one-way valve 18. The elastic sheet 29 is fixedly connected with the inner surface of the catheter body 1, and the inner surface of the elastic sheet 29 is fixedly connected with the conical cylinder 16. The fine mesh 15 is located on the side surface of the conical cylinder 16, and the lower edge of the fine mesh 15 is fixedly connected with the inner surface of the catheter body 1. The third opening 17 is located inside the catheter body 1 and extends to the inside of the pressing cavity 9. The second one-way valve 18 is located inside the third opening 17 and is connected with the pressing cavity 9 and the gas storage cavity 19. The gas storage cavity 19 is located between the catheter body 1, the conical cylinder 16, and the elastic sheet 29.

[0047] In the third embodiment, the structure of the elastic sheet 29 and the conical cylinder 16 is optimized, which greatly improves the stability of the atomization process. The fixed connection of the elastic sheet 29 and the catheter body 1 ensures the durability of the device, avoiding the problem of structural loosening caused by operation. The design of the gas storage cavity 19 further improves the gas power, ensuring that the drug can be efficiently transmitted to the target area. The combination of the fine mesh 15 and the third opening 17 optimizes the generation and transmission process of the atomized particles, making the drug more evenly distributed to the treatment site.

[0048] Working principle: The nozzle device 20 is installed on the catheter body 1, responsible for atomizing the drug liquid into fine particles, through the connecting head 27, the connecting pipe 28, the nozzle 21 and the protective cover 25, the drug liquid is pressed into the nozzle through hole 26 and then passes through the fine nozzle hole 24, thereby generating fine atomized particles, in order to ensure the uniformity of the atomized particles, the design of the threaded hole 23 and the threaded groove 22 enables the nozzle 21 to be stably screwed with the connecting head 27, avoiding loosening or drug leakage, the air bag blowing device 7 includes an air bag body 8 and a one-way valve 11, the air bag is installed inside the catheter body 1, by pressing the pressing cavity 9 of the air bag body 8, the gas is driven into the catheter, under the action of the one-way valve 11, the gas can only flow in one direction, preventing backflow, this blowing device can push the atomized drug particles to the target site, thereby ensuring that the drug can be smoothly delivered, in order for the drug to enter the second opening 12, the protection device 3 uses multiple glass paper flaps 4 and a gasket body 6 to form an effective protective barrier, the annular array design of the glass paper flap 4 can form a central through hole 5, allowing drug particles to pass but preventing contaminants from entering, thereby maintaining the purity of the catheter and ensuring the safety and effectiveness of the drug, the gas storage cavity 19 of the speed increasing device 14 is combined with the fine mesh 15 and the conical cylinder 16, effectively enhancing the transmission speed of the atomized particles, when the drug particles pass through the fine mesh 15 and the conical cylinder 16, the mesh structure ensures that the particles are more uniform and fine, thereby improving the coverage effect of the drug, the design of the gas storage cavity 19 can provide additional power for the atomized drug, pushing the drug through the catheter to ensure its smooth arrival at the target treatment site, the combination of the third opening 17 and the second one-way valve 18 further optimizes the airflow direction, preventing backflow and improving transmission efficiency, the elastic sheet 29 is fixedly connected with the inner surface of the catheter body 1 and is in close connection with the conical cylinder 16, this design effectively enhances the stability of the atomization process, preventing loosening problems caused by equipment vibration or external force interference, in addition, the structure of the elastic sheet 29 also ensures that the drug particles are not hindered during transmission, further improving the durability and reliability of the entire system.

[0049] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A targetable drug delivery aerosol catheter, comprising: The utility model relates to a kind of air ducts, including: The upper surface of the conduit body (1) is provided with a shower nozzle device (20), the shower nozzle device (20) includes a connector (27), a connecting pipe (28), a nozzle (21), a protective cover (25), and the inner surface of the conduit body (1) is provided with a gasket mounting groove (2); The air bag blowing device (7) includes an air bag body (8), a one-way valve (11) and an air bag mounting groove (13), the air bag mounting groove (13) is located inside the conduit body (1), the air bag blowing device (7) is located inside the air bag mounting groove (13) and extends to the outside of the conduit body (1), and the one-way valve (11) is fixedly connected with the air bag body (8); The protective device (3) includes a glass paper baffle (4), a center through hole (5) and a gasket body (6); The speed increasing device (14) includes a gas storage cavity (19), a fine mesh (15), a tapered cylinder (16), a third opening (17), an elastic sheet (29) and a second one-way valve (18).

2. The targeted drug delivery aerosol catheter of claim 1, wherein: The shower nozzle device (20) further includes a threaded hole (23), a threaded groove (22), a nozzle through hole (26) and a nozzle hole (24), the threaded hole (23) is located on the upper side of the connector (27), the diameter of the connecting pipe (28) is the same as the inner diameter of the conduit body (1), the threaded groove (22) is located on the outside of the nozzle (21), and the nozzle hole (24) is located on the upper side of the nozzle (21).

3. A targetable medicament delivery catheter according to claim 2, wherein: The protective cover (25) is located on the outside of the nozzle (21), the connecting pipe (28) is fixedly connected with the lower side of the third opening (17), and the nozzle (21) is threadedly connected with the connector (27).

4. The targeted drug delivery aerosol catheter of claim 1, wherein: The air bag blowing device (7) further includes a pressing cavity (9), a first opening (10) and a second opening (12), the pressing cavity (9) is located inside the air bag body (8), the second opening (12) is located on the conduit body (1), the first opening (10) is located on the air bag body (8), the positions of the first opening (10) and the second opening (12) correspond to each other, and the first opening (10) and the second opening (12) are in multiple and annular array distribution.

5. A targetable medicament delivery catheter according to claim 4, wherein: The side surface of the gasket body (6) is fixedly connected with the glass paper baffle (4), the glass paper baffle (4) is in multiple and annular distribution, the center through hole (5) is formed between the glass paper baffles (4), the glass paper baffle (4) is located on the outside of the second opening (12), and the gasket body (6) is fixedly connected with the gasket mounting groove (2).

6. The targeted drug delivery aerosol catheter of claim 1, wherein: The inner surface of the elastic sheet (29) is fixedly connected with the tapered cylinder (16), and the fine mesh (15) is located on the side surface of the tapered cylinder (16).

7. A targetable medicament delivery catheter according to claim 6, wherein: The lower edge of the fine mesh (15) is fixedly connected with the inner surface of the catheter body (1), the third opening (17) is located inside the catheter body (1) and extends to the inside of the pressing cavity (9), and the second one-way valve (18) is located inside the third opening (17) and is connected with the pressing cavity (9) and the gas storage cavity (19).

8. A targetable medicament delivery catheter according to claim 7, wherein: The gas storage cavity (19) is located between the catheter body (1), the conical barrel (16) and the elastic sheet (29).

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