A multi-dimensional drug delivery device

Abstract

The application relates to the technical field of medical devices, in particular to a drug delivery device of a multi-dimensional drug delivery instrument, which comprises a drug delivery instrument shell, the upper end of the drug delivery instrument shell is provided with a sealing end cover, the middle part of the sealing end cover is provided with a drug delivery bin, and the bottom of the drug delivery bin is fixedly connected with a drug delivery cylinder; the inner cavity of a flexible negative pressure head is provided with a positive pressure bin in the middle part, the lower end of the drug delivery cylinder extends to the inner cavity of the positive pressure bin; a matching protruding block is fixedly installed on the inner wall of the positive pressure bin, an air inlet hole is formed in the middle part of the matching protruding block, and the air inlet hole is communicated with the inner cavity of the flexible negative pressure head and the inner cavity of the drug delivery instrument shell; the beneficial effects are as follows: the ultrasonic wave sheet arranged at the bottom of the drug delivery bin is used for atomizing the medicine, the nanometer red light emitter can treat the skin, the generated heat heats the atomized medicine liquid in the inner cavity of the flexible negative pressure head through the annular aluminum sheet, the absorption effect of the medicine is improved, in addition, the inner cavity of the flexible negative pressure head is exhausted to form a negative pressure, so that the medicine can be timely absorbed by the pores on the surface of the skin, and the skin drug permeation effect is better.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a drug delivery device for a multidimensional drug delivery system. Background Technology

[0002] When treating the lesion, the medication needs to be heated and applied to the skin surface so that it can be gradually absorbed through the skin.

[0003] In existing technologies, transdermal drug delivery devices mostly use ordinary heating methods, allowing the active ingredients in the drug to penetrate the stratum corneum and enter the human body, targeting the patient's lesions.

[0004] However, current drug delivery devices rely on limited methods for treating the skin surface, resulting in less than ideal drug penetration. Furthermore, the large size of drug molecules makes absorption difficult, and the penetration process is relatively slow. Therefore, this invention proposes a multidimensional drug delivery device to address these issues. Summary of the Invention

[0005] The purpose of this invention is to provide a drug delivery device for a multidimensional drug delivery system, in order to solve the problem mentioned in the background art that the drug delivery system does not achieve ideal skin penetration after skin treatment.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a drug delivery device for a multidimensional drug delivery system, comprising:

[0007] The drug delivery device housing has a sealing end cap at its upper end, a drug delivery chamber in the middle of the sealing end cap, a drug delivery cylinder fixedly connected to the bottom of the drug delivery chamber, and an ultrasonic plate located at the bottom of the drug delivery chamber at the upper opening of the drug delivery cylinder.

[0008] A flexible negative pressure head is installed at the lower end of the drug delivery device housing. A positive pressure chamber is provided in the middle of the inner cavity of the flexible negative pressure head, and the lower end of the drug delivery cylinder extends into the inner cavity of the positive pressure chamber.

[0009] The inner cavity of the positive pressure chamber is provided with annular aluminum sheets and mounting rings that fit together. A nano-red light emitter is installed on the lower surface of the mounting ring and is in contact with the inner cavity of the positive pressure chamber. A mating protrusion is fixedly installed on the inner wall of the positive pressure chamber. An air intake hole is opened in the middle of the mating protrusion and the air intake hole connects the inner cavity of the flexible negative pressure head and the inner cavity of the drug delivery device housing.

[0010] Preferably, the sealing end cap and the drug delivery device housing are fixedly connected by threads, and a sealing layer is provided at the joint where the two fit together. The upper opening of the drug delivery chamber is provided with a sealing top cover to block it, and the sealing top cover and the drug delivery chamber are fixedly connected by threads.

[0011] Preferably, the inner cavity top of the sealing top cover is fixedly provided with a compression spring, and the lower end of the compression spring is pressed on the upper surface of the ultrasonic sheet.

[0012] Preferably, the bottom of the administration instrument shell is provided with a mounting bottom plate, and the mounting bottom plate is attached to the upper surface of the annular aluminum sheet, the lower surface of the annular aluminum sheet is provided with a groove for mounting the mounting ring, and the middle of the mounting bottom plate is fixedly provided with a stepped cylinder, and the lower end of the stepped cylinder extends into the inner cavity of the positive pressure bin.

[0013] Preferably, the upper end of the stepped cylinder is larger in opening inner diameter than the lower end, the lower end of the administration barrel is stepped to match the stepped cylinder, and the lower end of the administration barrel is located in the inner cavity of the stepped cylinder and communicates with the inner cavity of the positive pressure bin.

[0014] Preferably, the surface of the mounting bottom plate is fixedly connected with a positioning lug, the surface of the positioning lug is fixedly connected with a hollow column, and the lower end of the hollow column penetrates the positioning lug and the mounting bottom plate in sequence and is inserted into and communicates with the inner cavity of the inhalation hole.

[0015] Preferably, the outer surface of the administration instrument shell is provided with an air extraction interface, the lower end of the outer lateral wall of the administration instrument shell is provided with an annular clamping groove, the middle upper surface of the flexible negative pressure head is fixedly connected with a connecting cylinder, the inner cavity of the connecting cylinder is fixedly provided with an annular inner flange, and the annular inner flange matches the annular clamping groove.

[0016] Preferably, a plurality of nano red light emitters are arranged in an annular array on the surface of the mounting ring.

[0017] Preferably, the surface edge of the annular aluminum sheet is provided with a notch matched with the matching lug, and the annular aluminum sheet and the mounting bottom plate are fixedly connected through screws.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] The present application is characterized in that the bottom of the administration bin is provided with an ultrasonic sheet for atomizing the medicine, the annular aluminum sheet and the nano red light emitter are installed in the flexible negative pressure head, the nano red light emitter can treat the skin, and the heat generated by the nano red light emitter can heat the atomized medicine in the inner cavity of the flexible negative pressure head, thereby increasing the skin temperature, opening the pores, and improving the absorption effect of the medicine. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The present application is characterized in that the bottom of the administration bin is provided with an ultrasonic sheet for atomizing the medicine, the annular aluminum sheet and the nano red light emitter are installed in the flexible negative pressure head, the nano red light emitter can treat the skin, and the heat generated by the nano red light emitter can heat the atomized medicine in the inner cavity of the flexible negative pressure head, thereby increasing the skin temperature, opening the pores, and improving the absorption effect of the medicine.

[0021] Figure 2It is a three-dimensional schematic view of the overall structure of the present application;

[0022] Figure 3 It is an explosion schematic view of the overall structure of the present application;

[0023] Figure 4 It is a three-dimensional schematic view of the flexible negative pressure head structure of the present application;

[0024] Figure 5 It is an internal schematic view of the shell structure of the drug delivery instrument.

[0025] In the figure: 1, drug delivery instrument shell; 11, mounting bottom plate; 12, stepped cylinder; 13, positioning protrusion; 14, hollow column; 15, annular clamping groove; 16, air extraction interface; 2, sealing end cover; 21, drug delivery chamber; 22, drug delivery cylinder; 23, ultrasonic wave sheet; 3, flexible negative pressure head; 31, positive pressure chamber; 32, annular aluminum sheet; 33, mounting ring; 34, nanometer red light emitter; 35, matching protrusion; 36, air suction hole; 37, connecting cylinder; 38, annular inner flange; 4, sealing top cover; 41, compression spring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme of the present application clear, complete and the advantages more clear and obvious, the following will further describe the embodiments of the present application in combination with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all the embodiments, only to explain the embodiments of the present application, and not to limit the embodiments of 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.

[0027] In the description of the present application, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "linking" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are presented to provide a thorough understanding of the embodiments. However, it is obvious to those skilled in the art that the embodiments can not be limited to these specific details in practice. In some examples, well-known methods and structures are not described in detail to avoid unnecessarily complicating the embodiments. In addition, all embodiments can be used in combination with each other.

[0030] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are presented to provide a thorough understanding of the embodiments. However, it is obvious to those skilled in the art that the embodiments can not be limited to these specific details in practice. In some examples, well-known methods and structures are not described in detail to avoid unnecessarily complicating the embodiments. In addition, all embodiments can be used in combination with each other. Figures 1 to 5 The present application provides a technical solution:

[0031] Embodiment one, a multi-dimensional drug delivery device, comprising: a drug delivery device housing 1 and a flexible negative pressure head 3.

[0032] Specifically, a sealing end cover 2 is arranged at the upper end of the drug delivery device housing 1, a drug delivery chamber 21 is arranged in the middle of the sealing end cover 2, a drug cartridge 22 is fixedly connected to the bottom of the drug delivery chamber 21, an ultrasonic wave sheet 23 is arranged at the opening of the upper end of the drug cartridge 22 and located at the bottom of the drug delivery chamber 21, the ultrasonic wave sheet 23 is a prior art known technology, a medicine cotton sheet is placed on the upper surface of the ultrasonic wave sheet 23, and the ultrasonic wave sheet 23 can atomize the liquid medicine in the medicine sheet when it is powered on;

[0033] Secondly, the flexible negative pressure head 3 is installed at the lower end of the drug delivery device housing 1, a positive pressure chamber 31 is arranged in the middle of the inner cavity of the flexible negative pressure head 3, and the lower end of the drug cartridge 22 extends into the inner cavity of the positive pressure chamber 31, as shown in Figure 1 After the liquid medicine is atomized in the inner cavity of the drug delivery chamber 21, it can enter the inner cavity of the positive pressure chamber 31 along the inner cavity of the drug cartridge 22, and since the lower end of the positive pressure chamber 31 is in close contact with the skin of the patient, the atomized liquid medicine can be closer to the surface of the skin, so as to be absorbed by the skin;

[0034] Further, the inner cavity of the positive pressure bin 31 is provided with an annular aluminum sheet 32 and a mounting ring 33 abutting with each other, the lower surface of the mounting ring 33 is mounted with a nano red light emitter 34, and the nano red light emitter 34 is in contact with the inner cavity of the positive pressure bin 31. The nano red light emitter 34 provides nano red light when working, which can have a nano red light treatment effect on the patient's skin. Since the nano red light emitter 34 generates heat when working, the annular aluminum sheet 32 and the mounting ring 33 transmit the heat to the inner cavity of the positive pressure bin 31 to heat the mist liquid and air in the inner cavity of the positive pressure bin 31, thereby heating the surface layer of the patient's skin, promoting the opening of the skin pores, and improving the absorption effect of the skin on the liquid medicine. The inner wall of the positive pressure bin 31 is fixedly mounted with a matching protrusion 35, the middle part of the matching protrusion 35 is provided with an air suction hole 36, the air suction hole 36 communicates with the inner cavity of the flexible negative pressure head 3 and the inner cavity of the medicine administration instrument shell 1, the medicine administration instrument shell 1 communicates with an external air suction pipeline, the inner cavity of the medicine administration instrument shell 1 can be suctioned, thereby forming a negative pressure between the flexible negative pressure head 3 and the positive pressure bin 31. Therefore, the flexible negative pressure head 3 will elastically deform and make the lower end of the positive pressure bin 31 tightly adhere to the patient's skin.

[0035] In example two, on the basis of example one, in order to prevent the mist liquid from escaping, the sealing end cover 2 of the present application is fixedly sleeved with the medicine administration instrument shell 1 through threads, and a sealing layer is arranged at the abutting connection part of the two to avoid pressure relief at the upper opening of the medicine administration instrument shell 1. The upper end opening of the medicine bin 21 is provided with a sealing top cover 4 for plugging the same, and the sealing top cover 4 is fixedly connected with the medicine bin 21 through threads. The upper part of the medicine bin 21 is an open structure for replacing the medicine cotton sheet. The sealing top cover 4 can seal the medicine bin 21 to prevent the mist liquid from escaping from the upper opening of the medicine bin 21.

[0036] In example three, on the basis of example two, in order to compress the medicine cotton sheet, the present application further has a compression spring 41 fixedly arranged at the inner cavity top of the sealing top cover 4. The lower end of the compression spring 41 is pressed on the upper surface of the ultrasonic sheet 23, as shown in Figure 1 After the medicine cotton sheet is placed on the upper surface of the ultrasonic sheet 23, the sealing top cover 4 is connected with the medicine bin 21. The compression spring 41 can press the medicine cotton sheet on the surface of the ultrasonic sheet 23, which can avoid the medicine cotton sheet from moving and falling off, and can also ensure that the ultrasonic sheet 23 fully contacts the medicine cotton sheet to atomize the liquid medicine in the medicine cotton sheet.

[0037] In example four, on the basis of example three, the present application further has an installation bottom plate 11 arranged at the bottom of the medicine administration instrument shell 1, and the installation bottom plate 11 abuts with the upper surface of the annular aluminum sheet 32. The lower surface of the annular aluminum sheet 32 is provided with a groove for mounting the mounting ring 33. The middle part of the installation bottom plate 11 is fixedly provided with a stepped cylinder 12, and the lower end of the stepped cylinder 12 extends into the inner cavity of the positive pressure bin 31, as shown in Figure 5 and Figure 3As shown, the mounting ring 33 is embedded in the lower surface of the annular aluminum sheet 32, and the lower end of the stepped cylinder 12 can pass through the middle part of the annular aluminum sheet 32 and the mounting ring 33 and extend into the inner cavity of the positive pressure chamber 31.

[0038] In example five, on the basis of example four, in order to send the misty liquid medicine into the inner cavity of the positive pressure chamber 31, the upper end opening inner diameter of the stepped cylinder 12 of the application is larger than the lower end opening inner diameter, the lower end of the dosing cylinder 22 is set to be stepped and matched with the stepped cylinder 12, the lower end of the dosing cylinder 22 is located in the inner cavity of the stepped cylinder 12 and communicates with the inner cavity of the positive pressure chamber 31, combined with Figure 5 and Figure 1 It can be known that the lower end of the dosing cylinder 22 can pass through the inner cavity of the dosing instrument shell 1 and keep communication with the inner cavity of the positive pressure chamber 31, so that the misty liquid medicine in the inner cavity of the dosing chamber 21 can quickly enter the inner cavity of the positive pressure chamber 31 and be absorbed by the skin.

[0039] In example six, on the basis of example five, in order to extract negative pressure in the inner cavity of the flexible negative pressure head 3, the application further has a positioning lug 13 fixedly connected on the surface of the mounting bottom plate 11, the surface of the positioning lug 13 is fixedly connected with a hollow column 14, the lower end of the hollow column 14 penetrates the positioning lug 13 and the mounting bottom plate 11 in sequence and is insertedly connected with the inner cavity of the air suction hole 36, combined with Figure 5 , Figure 4 and Figure 1 It can be known that the upper end of the hollow column 14 communicates with the inner cavity of the dosing instrument shell 1, the lower end of the hollow column 14 communicates with the air suction hole 36, and further communicates with the inner cavity of the flexible negative pressure head 3, so that the inner cavity of the dosing instrument shell 1 and the inner cavity of the flexible negative pressure head 3 can communicate with each other, ensuring that the pipeline outside the dosing instrument shell 1 can extract negative pressure in the inner cavity of the flexible negative pressure head 3.

[0040] In example seven, on the basis of example six, in order to connect the flexible negative pressure head 3 with the dosing instrument shell 1, the application further has an air extraction interface 16 arranged on the outer surface of the dosing instrument shell 1, so as to communicate with the external air extraction pipeline, the lower end of the outer wall of the dosing instrument shell 1 is provided with an annular clamping groove 15, the middle part of the upper surface of the flexible negative pressure head 3 is fixedly connected with a connecting cylinder 37, the inner cavity of the connecting cylinder 37 is fixedly provided with an annular inner flange 38, the annular inner flange 38 is matched with the annular clamping groove 15, combined with Figure 5 and Figure 4 It can be known that when the flexible negative pressure head 3 approaches the dosing instrument shell 1 from bottom to top, the annular inner flange 38 inside the connecting cylinder 37 can be clamped into the inner cavity of the annular clamping groove 15, so as to fix the connection between the flexible negative pressure head 3 and the dosing instrument shell 1.

[0041] In example eight, on the basis of example seven, the nanometer red light emitter 34 of the application is provided with a plurality of and arranged in an annular array on the surface of the mounting ring 33, so as to uniformly treat the skin surface of the patient.

[0042] In order to mount the annular aluminum sheet 32, on the basis of Embodiment 8, the application further has a notch adapted to the matching protrusion 35 at the surface edge of the annular aluminum sheet 32 for matching positioning with the matching protrusion 35, and the annular aluminum sheet 32 is fixedly connected with the mounting base plate 11 through a screw, preventing the annular aluminum sheet 32 from being separated.

[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drug delivery device of a multidimensional drug delivery instrument, characterized in that: The utility model relates to a drug delivery device, which comprises: a drug delivery device housing (1) having a sealed end cap (2) at an upper end thereof, the sealed end cap (2) having a drug cartridge (21) at a middle portion thereof, the drug cartridge (21) having a drug delivery cartridge (22) fixedly connected at a bottom portion thereof, the drug delivery cartridge (22) having an ultrasonic wave sheet (23) at an upper end opening thereof; a flexible negative pressure head (3) mounted at a lower end of the drug delivery device housing (1), the flexible negative pressure head (3) having a positive pressure chamber (31) at a middle portion of an inner cavity thereof, the drug delivery cartridge (22) extending to the inner cavity of the positive pressure chamber (31); the positive pressure chamber (31) having an annular aluminum sheet (32) and a mounting ring (33) attached to each other, the mounting ring (33) having a nano red light emitter (34) mounted at a lower surface thereof, the nano red light emitter (34) being in contact with the inner cavity of the positive pressure chamber (31), the positive pressure chamber (31) having a matching protrusion (35) fixedly mounted at an inner wall thereof, the matching protrusion (35) having an air suction hole (36) formed at a middle portion thereof, the air suction hole (36) being in communication with the inner cavity of the flexible negative pressure head (3) and the inner cavity of the drug delivery device housing (1); the sealed end cap (2) and the drug delivery device housing (1) being fixedly connected by threads, and a sealing layer being provided at a joint between the sealed end cap (2) and the drug delivery device housing (1), the drug cartridge (21) having a sealing top cap (4) provided at an upper end opening thereof, the sealing top cap (4) being fixedly connected to the drug cartridge (21) by threads; the sealing top cap (4) having a compression spring (41) fixedly provided at a top portion of an inner cavity thereof, the compression spring (41) being pressed against an upper surface of the ultrasonic wave sheet (23); the drug delivery device housing (1) having a mounting bottom plate (11) provided at a bottom portion thereof, the mounting bottom plate (11) being attached to an upper surface of the annular aluminum sheet (32), the annular aluminum sheet (32) having a groove formed at a lower surface thereof for mounting the mounting ring (33), the mounting bottom plate (11) having a stepped cylinder (12) fixedly provided at a middle portion thereof, the stepped cylinder (12) extending to the inner cavity of the positive pressure chamber (31), the mounting ring (33) being embedded in the lower surface of the annular aluminum sheet (32), and the stepped cylinder (12) being able to pass through the middle portions of the annular aluminum sheet (32) and the mounting ring (33) and extend to the inner cavity of the positive pressure chamber (31); an inner diameter of an upper end opening of the stepped cylinder (12) being larger than an inner diameter of a lower end opening thereof, the drug delivery cartridge (22) being provided in a stepped shape matching the stepped cylinder (12), the drug delivery cartridge (22) being located in the inner cavity of the stepped cylinder (12) and in communication with the inner cavity of the positive pressure chamber (31).

2. The drug delivery device of claim 1, wherein: the mounting bottom plate (11) having a positioning protrusion (13) fixedly connected to a surface thereof, the positioning protrusion (13) having a hollow column (14) fixedly connected to a surface thereof, the hollow column (14) sequentially penetrating through the positioning protrusion (13) and the mounting bottom plate (11) and being in plug-in communication with the inner cavity of the air suction hole (36).

3. The drug delivery device of claim 2, wherein: The outer surface of the administration instrument shell (1) is provided with an air extraction interface (16), the lower end of the outer side wall of the administration instrument shell (1) is provided with an annular clamping groove (15), the middle upper surface of the flexible negative pressure head (3) is fixedly connected with a connecting cylinder (37), the inner cavity of the connecting cylinder (37) is fixedly provided with an annular inner flange (38), and the annular inner flange (38) is matched with the annular clamping groove (15).

4. The drug delivery device of claim 3, wherein: The nanometer red light emitter (34) is provided with a plurality of ring array distributions on the surface of the mounting ring (33).

5. A drug delivery device for a multi-dimensional drug delivery instrument according to claim 4, characterized in that: The surface edge of the annular aluminum sheet (32) is provided with a notch matched with the matching protrusion (35), and the annular aluminum sheet (32) and the mounting bottom plate (11) are fixedly connected through screws.

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