Smearing device for external medicine

Abstract

The utility model relates to a smearing device for external medicine, which comprises a medicine smearing unit, a medicine storage unit, a connecting unit, a shell unit and a pressing unit, and has the advantages that the pressing unit is utilized to push the medicine storage unit to supply medicine to the medicine smearing unit, the medicine smearing unit uniformly outputs the external medicine and smears the external medicine on an affected part, and the medicine smearing is uniform; the connecting unit is rotationally connected and can be independently connected with the medicine storage unit and the shell unit, mutual influence is avoided, and operation is convenient; medicines can be conveyed to the medicine applying unit in time without disassembling the medicine storage unit, so that the medicines are prevented from being polluted; and the medicine storage unit and the medicine applying unit can be easily disassembled and cleaned, so that sanitation and safety are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of medicine application tools, and in particular to a device for applying topical medicines. Background Technology

[0002] In modern medical treatment, topical medications are a common treatment method. They work directly on the skin surface or specific areas to relieve symptoms and treat diseases. During application, topical medications require repeated pressing to ensure even absorption. However, traditional methods of applying topical medications have some limitations.

[0003] First, traditional application methods typically rely on manual application, which can lead to uneven distribution of the medication and affect its efficacy. Furthermore, manual application may result in medication waste and increased costs. Second, the effectiveness of topical medications is often closely related to their permeability. Manual application lacks effective massage techniques, making it difficult to promote drug penetration and absorption, thus reducing therapeutic efficacy. Third, manual application can lead to cross-infection. Hands easily harbor bacteria, and applying medication directly to the affected area may cause infection and worsen the condition.

[0004] There are no effective solutions yet for the problems of insufficient application affecting efficacy and easy contamination of drugs in related technologies. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing an application device for topical medications, thereby solving problems such as insufficient application affecting efficacy and easy contamination of the medication.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An applicator for applying topical medication, comprising:

[0008] A medication application unit, wherein the medication application unit is used to apply medication to the affected area;

[0009] A drug storage unit is disposed at the bottom end of the drug application unit and communicates with the drug application unit, for storing drugs and delivering drugs to the drug application unit;

[0010] A connecting unit is disposed between the drug application unit and the drug storage unit, and is rotatably connected to the drug application unit;

[0011] A housing unit, which covers the drug storage unit and is detachably connected to the connecting unit, is used to protect the drug storage unit.

[0012] A pressing unit is arranged at the bottom end of the medicine storage unit and used to drive the medicine storage unit to deliver medicine to the medicine applying unit.

[0013] In some embodiments, the medicine applying unit comprises:

[0014] A medicine applying element is arranged at the connecting unit and used to apply medicine to the affected area;

[0015] At least one channel element is arranged through the medicine applying element and used to output medicine;

[0016] A first input element is arranged at the bottom end of the medicine applying element and respectively communicates with the channel element and the medicine storage unit, and used to deliver medicine to the channel element;

[0017] A first connecting element is arranged at the first input element and detachably connected with the medicine storage unit.

[0018] In some embodiments, the medicine storage unit comprises:

[0019] A medicine storage element is arranged at the bottom end of the medicine applying unit and located inside the housing unit, and used to store medicine and deliver medicine to the medicine applying unit;

[0020] An output element is arranged at the top end of the medicine storage element, communicates with the medicine applying unit, and rotationally connected with the connecting unit, and used to deliver medicine of the medicine storage element to the medicine applying unit;

[0021] A second connecting element is arranged at the output element and detachably connected with the medicine applying unit;

[0022] A pushing element is movably arranged at the medicine storage element and used to reciprocally move along the axial direction of the medicine storage element to push medicine out of the medicine storage element or suck medicine into the medicine storage element;

[0023] A rod element is connected with the pushing element at the top end and used to reciprocally move the pushing element along the axial direction of the medicine storage element;

[0024] A first pressing element is arranged at the bottom end of the rod element and connected with the pressing unit, and used to reciprocally move the rod element along the axial direction of the medicine storage element under the action of the pressing unit.

[0025] In some embodiments, the medicine storage unit further comprises:

[0026] A first sealing element is arranged at the bottom end of the medicine storage element for sealing the medicine storage element.

[0027] In some embodiments, the medicine storage unit further comprises:

[0028] A second input element is arranged at the top end of the medicine storage element and communicates with the medicine storage element for adding medicine to the medicine storage element.

[0029] A second sealing element is removably arranged at the second input element and outside the housing unit for sealing the input element.

[0030] In some embodiments, the connecting unit comprises:

[0031] A first base element is connected with the medicine applying unit.

[0032] A first rotating element is arranged at the bottom end of the first base element.

[0033] A third sealing element is rotatably arranged at the bottom end of the first rotating element and rotatably connected with the top end of the housing unit for sealing the housing unit.

[0034] A second rotating element is arranged at the top end of the third sealing element and rotatably connected with the first rotating element for rotating the third sealing element relative to the first base element.

[0035] A third rotating element is arranged through the third sealing element and rotatably connected with the top end of the medicine storage unit.

[0036] A third connecting element is arranged at the third sealing element and detachably connected with the housing unit.

[0037] In some embodiments, the housing unit comprises:

[0038] A housing element is sleeved on the medicine storage unit for protecting the medicine storage unit.

[0039] A fourth connecting element is arranged at the top end of the housing element and detachably connected with the connecting unit.

[0040] A limiting element is arranged at the top end of the housing element for limiting the position of the medicine storage unit to prevent the medicine storage unit from sliding out of the housing element.

[0041] A first sliding element is arranged at the bottom end of the housing element and is in sliding connection with the pressing unit.

[0042] In some embodiments, the pressing unit comprises:

[0043] A second pressing element is arranged at the bottom end of the housing unit in sliding manner and is used for reciprocating movement along the axial direction of the housing unit.

[0044] A reset element is arranged at the top end of the second pressing element.

[0045] A fifth connecting element is arranged at the top end of the reset element and is connected with the reset element and the medicine storage unit respectively.

[0046] A second sliding element is arranged at the second pressing element and is in sliding connection with the housing unit.

[0047] In some embodiments, the housing unit further comprises:

[0048] An opening element is arranged at the top end of the housing element and is used for exposing the medicine storage unit to add medicine to the medicine storage unit.

[0049] In some embodiments, the housing unit further comprises:

[0050] A placing element is arranged at the bottom end of the housing element and is used for placing a finger to press the pressing unit.

[0051] In some embodiments, the medicine applying device further comprises:

[0052] A massage unit is arranged at the top end of the connecting unit and is used for massaging the affected area.

[0053] In some embodiments, the medicine applying unit further comprises:

[0054] At least one fourth rotating element is arranged at the side of the medicine applying unit and is in rotating connection with the massage unit.

[0055] In some embodiments, the massage unit comprises:

[0056] A second base element is arranged at the top end of the connecting unit.

[0057] A plurality of first rolling elements are arranged on the second base element in a distributed manner and are used for massaging the affected area.

[0058] In some embodiments, the massage unit further comprises:

[0059] A plurality of second rolling elements are arranged on the top end of the second base and are in rolling connection with the corresponding first rolling elements.

[0060] In some embodiments, the massage unit further comprises:

[0061] At least one fifth rotating element is arranged on the second base element and is in rotating connection with the medicine applying unit.

[0062] In some embodiments, the medicine applying device further comprises:

[0063] A driving unit is arranged on the connecting unit and is in transmission connection with the massage unit for driving the massage unit to rotate.

[0064] A control unit is arranged on the connecting unit and is connected with the driving unit.

[0065] In some embodiments, the connecting unit further comprises:

[0066] A chamber element is arranged on the connecting unit for mounting the driving unit and the control unit.

[0067] A sixth rotating element is arranged on the bottom end of the chamber element and is in rotating connection with the bottom end of the massage unit.

[0068] In some embodiments, the massage unit further comprises:

[0069] A seventh rotating element is arranged on the bottom end of the massage unit, is sleeved on the bottom end of the medicine applying unit, and is in rotating connection with the connecting unit.

[0070] A first transmission element is arranged on the seventh rotating element and is in transmission connection with the driving unit for driving the massage unit to rotate under the action of the driving unit.

[0071] In some embodiments, the driving unit comprises:

[0072] A driving element is arranged on the connecting unit and is connected with the control unit for driving the massage unit to rotate.

[0073] A second transmission element is in transmission connection with the massage unit and the driving element for driving the massage unit to rotate under the action of the driving element.

[0074] The utility model discloses the above technical scheme, compared with the prior art, has the following technical effects:

[0075] The utility model discloses a smearing device for external medicine, utilize pressing unit and promote the medicine storage unit to the medicine unit and supply medicine, and the medicine unit exports even and smears the external medicine to the affected part, and the medicine is even, and the problem of the influence of the medicine effect of smearing insufficiency is solved, the connecting unit is set to the mode of rotation connection, can be connected respectively with the medicine storage unit, the shell unit, and does not influence each other, and the medicine storage unit can be transported to the medicine unit in time without disassembling, avoids the pollution of medicine, and can be easily disassembled and cleaned to the medicine storage unit, the medicine unit, guarantees the health safety, and the problem that the medicine is easily polluted is solved, and the medicine absorption of massage unit can be accelerated at the same time of medicine, and can realize automatic massage under the action of driving unit, control unit, improves the medicine efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0076] Figure 1 It is the schematic diagram (one) of smearing device according to the utility model embodiment;

[0077] Figure 2 It is the schematic diagram (one) of medicine unit according to the utility model embodiment;

[0078] Figure 3 It is the schematic diagram of medicine storage unit according to the utility model embodiment;

[0079] Figure 4 It is the schematic diagram (one) of connecting unit according to the utility model embodiment;

[0080] Figure 5 It is the schematic diagram of shell unit according to the utility model embodiment;

[0081] Figure 6 It is the schematic diagram of pressing unit according to the utility model embodiment;

[0082] Figure 7 It is the schematic diagram (two) of smearing device according to the utility model embodiment;

[0083] Figure 8 It is the schematic diagram (two) of medicine unit according to the utility model embodiment;

[0084] Figure 9 It is the schematic diagram (one) of massage unit according to the utility model embodiment;

[0085] Figure 10 It is the schematic diagram (three) of smearing device according to the utility model embodiment;

[0086] Figure 11 is a schematic view of a connection unit according to an embodiment of the present application (two);

[0087] Figure 12 is a schematic view of a massage unit according to an embodiment of the present application (two);

[0088] Figure 13 is a schematic view of a driving unit according to an embodiment of the present application.

[0089] The reference signs in the drawings are:

[0090] 100, a medicine applying unit; 101, a medicine applying element; 102, a channel element; 103, a first input element; 104, a first connecting element; 105, a fourth rotating element;

[0091] 200, a medicine storing unit; 201, a medicine storing element; 202, an output element; 203, a second connecting element; 204, a pushing element; 205, a rod element; 206, a first pressing element; 207, a first sealing element; 208, a second input element; 209, a second sealing element;

[0092] 300, a connection unit; 301, a first base element; 302, a first rotating element; 303, a third sealing element; 304, a second rotating element; 305, a third rotating element; 306, a third connecting element; 307, a chamber element; 308, a sixth rotating element;

[0093] 400, a housing unit; 401, a housing element; 402, a fourth connecting element; 403, a limiting element; 404, a first sliding element; 405, an opening element; 406, a placing element;

[0094] 500, a pressing unit; 501, a second pressing element; 502, a resetting element; 503, a fifth connecting element; 504, a second sliding element;

[0095] 600, a massage unit; 601, a second base element; 602, a first rolling element; 603, a fifth rotating element; 604, a second rolling element; 605, a seventh rotating element; 606, a first transmission element;

[0096] 700, a driving unit; 701, a driving element; 702, a second transmission element;

[0097] 800, a control unit. DETAILED DESCRIPTION

[0098] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be described and illustrated below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application. Based on the embodiments provided by the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.

[0099] Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application, and for those of ordinary skill in the art, the present application can also be applied to other similar scenarios without creative effort based on the accompanying drawings. In addition, it can be understood that although the efforts made in the development process can be complex and lengthy, for those of ordinary skill in the art related to the content disclosed in the present application, some design, manufacture or production changes based on the technical content disclosed in the present application are only routine technical means and should not be understood as insufficient disclosure of the content disclosed in the present application.

[0100] In the present application, the phrase "embodiments" means that the specific features, structures or characteristics described in conjunction with the embodiments can be included in at least one embodiment of the present application. The appearance of this phrase at various places in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment to other embodiments. It is explicitly and implicitly understood by those of ordinary skill in the art that the embodiments described in the present application can be combined with other embodiments without conflict.

[0101] Unless otherwise defined, the technical or scientific terms used in this application shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms “a,” “an,” “an,” “the,” and similar words used in this application do not indicate quantity limitation and may indicate singular or plural. The terms “comprising,” “including,” “having,” and any variations thereof used in this application are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that includes a series of steps or units (elements) is not limited to the listed steps or units, but may also include steps or units not listed, or may include other steps or units inherent to these processes, methods, products, or apparatus. The terms “connected,” “linked,” “coupled,” and similar words used in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. “Multiple” used in this application refers to two or more. “And / or” describes the relationship between related objects, indicating that three relationships may exist; for example, “A and / or B” can represent: A alone, A and B simultaneously, and B alone. The character " / " generally indicates that the preceding and following objects are in an "or" relationship. The terms "first," "second," and "third" used in this application are merely to distinguish similar objects and do not represent a specific ordering of the objects.

[0102] Example 1

[0103] An illustrative embodiment of this utility model, such as Figure 1 As shown, an application device for external medication includes an application unit 100, a storage unit 200, a connecting unit 300, a housing unit 400, and a pressing unit 500. The application unit 100 is used to apply medication to the affected area; the storage unit 200 is located at the bottom of the application unit 100 and communicates with it, storing and delivering medication to the application unit 100; the connecting unit 300 is located between the application unit 100 and the storage unit 200 and is rotatably connected to the application unit 100; the housing unit 400 sleeves the storage unit 200 and is detachably connected to the connecting unit 300, protecting the storage unit 200; the pressing unit 500 is located at the bottom of the storage unit 200 and drives the storage unit 200 to deliver medication to the application unit 100.

[0104] like Figure 2As shown, the applying unit 100 comprises an applying element 101, at least one channel element 102, a first input element 103 and a first connecting element 104. The applying element 101 is arranged on the connecting unit 300 and used for applying medicine on the affected area; the channel element 102 is arranged through the applying element 101 and used for outputting medicine; the first input element 103 is arranged at the bottom end of the applying element 101 and respectively communicates with the channel element 102 and the medicine storage unit 200, and is used for delivering medicine to the channel element 102; and the first connecting element 104 is arranged on the first input element 103 and detachably connected with the medicine storage unit 200.

[0105] In some embodiments, the applying element 101 is an applying head.

[0106] The size of the channel element 102 matches the size of the applying element 101. Generally, the radial dimension (e.g. outer diameter) of the channel element 102 is smaller than the radial dimension (e.g. outer diameter) of the applying element 101, and the height of the channel element 102 is equal to the height of the applying element 101.

[0107] In some embodiments, the channel element 102 is a plurality of channel elements. The plurality of channel elements 102 are arranged in an array on the applying element 101.

[0108] In some embodiments, the channel element 102 is a medicine flow channel.

[0109] The first input element 103 is fixedly connected with the applying element 101. The fixed connection includes but is not limited to one-piece forming.

[0110] The size of the first input element 103 matches the size of the applying element 101. Generally, the radial dimension (e.g. outer diameter) of the first input element 103 is smaller than the radial dimension (e.g. outer diameter) of the applying element 101.

[0111] The size of the first input element 103 matches the size of the channel element 102. Generally, the radial dimension (e.g. inner diameter) of the first input element 103 is not smaller than the radial dimension (e.g. inner diameter) of the channel element 102.

[0112] In some embodiments, the first input element 103 is a first delivery pipe.

[0113] The first connecting element 104 is fixedly connected with the first input element 103. The fixed connection includes but is not limited to one-piece forming.

[0114] The size of the first connecting element 104 matches the size of the first input element 103. Generally, the radial dimension (such as the outer diameter) of the first connecting element 104 is not less than the radial dimension (such as the outer diameter) of the first input element 103, and the length of the first connecting element 104 is less than the length of the first input element 103.

[0115] In some embodiments, the first connecting element 104 includes, but is not limited to, a first connecting head and a first connecting thread.

[0116] As shown in Figure 3 The medicine storage unit 200 includes a medicine storage element 201, an output element 202, a second connecting element 203, a pushing element 204, a rod element 205, and a first pressing element 206. The medicine storage element 201 is arranged at the bottom end of the medicine applying unit 100 and located inside the housing unit 400, used for storing and delivering medicine to the medicine applying unit 100; the output element 202 is arranged at the top end of the medicine storage element 201, and is in communication with the medicine applying unit 100 and rotationally connected with the connecting unit 300, used for delivering medicine from the medicine storage element 201 to the medicine applying unit 100; the second connecting element 203 is arranged on the output element 202 and detachably connected with the medicine applying unit 100; the pushing element 204 is movably arranged on the medicine storage element 201, used for reciprocating along the axial direction of the medicine storage element 201 to push the medicine out of the medicine storage element 201 or suck the medicine into the medicine storage element 201; the top end of the rod element 205 is connected with the pushing element 204, used for reciprocating the pushing element 204 along the axial direction of the medicine storage element 201; the first pressing element 206 is arranged at the bottom end of the rod element 205 and connected with the pressing unit 500, used for reciprocating the rod element 205 along the axial direction of the medicine storage element 201 under the action of the pressing unit 500.

[0117] Specifically, the output element 202 is in communication with the first input element 103; and the second connecting element 203 is connected with the first connecting element 104.

[0118] The size of the medicine storage element 201 matches the size of the first input element 103. Generally, the radial dimension (such as the outer diameter) of the medicine storage element 201 is greater than the radial dimension (such as the outer diameter) of the first input element 103.

[0119] In some embodiments, the medicine storage element 201 includes, but is not limited to, a medicine storage tube.

[0120] The connection between the output element 202 and the medicine storage element 201 is fixed connection. The fixed connection includes, but is not limited to, one-piece forming.

[0121] The size of the output element 202 matches the size of the medicine storage element 201. Generally, the radial dimension (e.g. the outer diameter) of the output element 202 is smaller than the radial dimension (e.g. the outer diameter) of the medicine storage element 201.

[0122] The size of the output element 202 matches the size of the first input element 103. Generally, the radial dimension (e.g. the outer diameter) of the output element 202 is equal to the radial dimension (e.g. the inner diameter) of the first input element 103.

[0123] In some embodiments, the output element 202 is a second delivery tube.

[0124] The detachable connection between the second connecting element 203 and the first connecting element 104 includes but is not limited to threaded connection.

[0125] The connection between the second connecting element 203 and the output element 202 is fixed connection. The fixed connection includes but is not limited to integral molding.

[0126] The size of the second connecting element 203 matches the size of the first connecting element 104. Generally, the radial dimension (e.g. the outer diameter) of the second connecting element 203 is not smaller than the outer diameter of the first connecting element 104.

[0127] In some embodiments, the second connecting element 203 includes but is not limited to a second connecting thread, a second connecting head.

[0128] The connection between the pushing element 204 and the medicine storage element 201 is sliding connection.

[0129] The size of the pushing element 204 matches the size of the medicine storage element 201. Generally, the radial dimension (e.g. the outer diameter) of the pushing element 204 is equal to the radial dimension (e.g. the inner diameter) of the medicine storage element 201.

[0130] In some embodiments, the pushing element 204 is a piston.

[0131] The connection between the rod element 205 and the pushing element 204 is fixed connection or detachable connection. The fixed connection includes but is not limited to adhesive connection; the detachable connection includes but is not limited to clamping.

[0132] The size of the rod element 205 matches the size of the medicine storage element 201. Generally, the radial dimension (e.g. the outer diameter) of the rod element 205 is smaller than the radial dimension (e.g. the inner diameter) of the medicine storage element 201, and the length of the rod element 205 is not smaller than the length of the medicine storage element 201.

[0133] In some embodiments, the rod element 205 is a push rod.

[0134] The first pressing element 206 is fixedly connected to the rod element 205. The fixed connection includes, but is not limited to, one-piece forming.

[0135] The size of the first pressing element 206 matches the size of the medicine storage element 201. Generally, the radial dimension (such as the outer diameter) of the first pressing element 206 is not less than the radial dimension (such as the outer diameter) of the medicine storage element 201.

[0136] In some embodiments, the first pressing element 206 includes, but is not limited to, a pressing block.

[0137] Further, the medicine storage unit 200 further comprises a first sealing element 207. The first sealing element 207 is arranged at the bottom end of the medicine storage element 201, and is used to seal the medicine storage element 201.

[0138] The first sealing element 207 is detachably connected to the medicine storage element 201. The detachable connection includes, but is not limited to, threaded connection.

[0139] The size of the first sealing element 207 matches the size of the medicine storage element 201. Generally, the radial dimension (such as the inner diameter) of the first sealing element 207 is equal to the radial dimension (such as the outer diameter) of the medicine storage element 201.

[0140] In some embodiments, the first sealing element 207 is a first sealing cover.

[0141] Further, the medicine storage unit 200 further comprises a second input element 208 and a second sealing element 209. The second input element 208 is arranged at the top end of the medicine storage element 201 and is in communication with the medicine storage element 201, and is used to add medicine to the medicine storage element 201; the second sealing element 209 is removably arranged on the second input element 208 and is located outside the housing unit 400, and is used to seal the input element.

[0142] The second input element 208 is fixedly connected to the medicine storage element 201. The fixed connection includes, but is not limited to, one-piece forming.

[0143] The size of the second input element 208 matches the size of the medicine storage element 201. Generally, the radial dimension (such as the outer diameter) of the second input element 208 is less than the radial dimension (such as the outer diameter) of the medicine storage element 201.

[0144] In some embodiments, the second input element 208 is a third conveying pipe.

[0145] The second sealing element 209 is detachably connected to the second input element 208. The detachable connection includes, but is not limited to, threaded connection.

[0146] The dimensions of the second sealing element 209 are matched with the dimensions of the second input element 208. Generally, the radial dimension (e.g., inner diameter) of the second sealing element 209 is equal to the radial dimension (e.g., outer diameter) of the second input element 208.

[0147] In some of these embodiments, the second sealing element 209 is a second sealing cap.

[0148] like Figure 4 As shown, the connecting unit 300 includes a first base element 301, a first rotating element 302, a third sealing element 303, a second rotating element 304, a third rotating element 305, and a third connecting element 306. The first base element 301 is connected to the medication application unit 100; the first rotating element 302 is disposed at the bottom end of the first base element 301; the third sealing element 303 is rotatably disposed at the bottom end of the first rotating element 302 and rotatably connected to the top end of the housing unit 400, for sealing the housing unit 400; the second rotating element 304 is disposed at the top end of the third sealing element 303 and rotatably connected to the first rotating element 302, for causing the third sealing element 303 to rotate relative to the first base element 301; the third rotating element 305 passes through the third sealing element 303 and is rotatably connected to the top end of the medication storage unit 200; the third connecting element 306 is disposed on the third sealing element 303 and is detachably connected to the housing unit 400.

[0149] Specifically, the first base element 301 is connected to the application element 101 and the first input element 103 respectively; the third rotating element 305 is rotatably connected to the output element 202.

[0150] The connection between the first base element 301 and the coating element 101 (first input element 103) can be a fixed connection or a detachable connection. The fixed connection includes, but is not limited to, integral molding; the detachable connection includes, but is not limited to, snap-fit.

[0151] The dimensions of the first base element 301 are matched with the dimensions of the coating element 101. Generally, the radial dimension (e.g., outer diameter) of the first base element 301 is larger than the radial dimension (e.g., outer diameter) of the coating element 101, and the height of the first base element 301 is larger than the height of the coating element 101.

[0152] In some of these embodiments, the first base element 301 is a first mounting base.

[0153] The dimensions of the first rotating element 302 are matched with the dimensions of the first base element 301. Generally, the radial dimension (e.g., outer diameter) of the first rotating element 302 is smaller than the radial dimension (e.g., outer diameter) of the first base element 301.

[0154] The radial dimension (e.g. the outer diameter) of the first rotating element 302 is greater than the radial dimension (e.g. the outer diameter) of the first input element 103.

[0155] In some embodiments, the first rotating element 302 is in a circular ring shape, and the cross-sectional shape of the first rotating element 302 is T-shaped.

[0156] In some embodiments, the first rotating element 302 is a first rotating groove, a first rotating shaft.

[0157] The third sealing element 303 is sized to match the first base element 301. Generally, the radial dimension (e.g. the outer diameter) of the third sealing element 303 is equal to the radial dimension (e.g. the outer diameter) of the first base element 301.

[0158] In some embodiments, the third sealing element 303 is a third sealing cover.

[0159] The second rotating element 304 is sized to match the first rotating element 302. Generally, the radial dimension (e.g. the outer diameter) of the second rotating element 304 is equal to the radial dimension (e.g. the outer diameter) of the first rotating element 302.

[0160] The second rotating element 304 is sized to match the third sealing element 303. Generally, the radial dimension (e.g. the outer diameter) of the second rotating element 304 is less than the radial dimension (e.g. the outer diameter) of the third sealing element 303, and the height of the second rotating element 304 is less than the thickness of the top end of the third sealing element 303.

[0161] In some embodiments, the cross-sectional shape of the second rotating element 304 is inverted T-shaped.

[0162] In some embodiments, the second rotating element 304 is a second sliding groove, a second rotating groove.

[0163] The third rotating element 305 is sized to match the third sealing element 303. Generally, the radial dimension (e.g. the outer diameter) of the third rotating element 305 is less than the radial dimension (e.g. the outer diameter) of the third sealing element 303, and the height of the third rotating element 305 is equal to the thickness of the third sealing element 303 where the third rotating element 305 is located.

[0164] The third rotating element 305 is sized to match the output element 202. Generally, the radial dimension (e.g. the outer diameter) of the third rotating element 305 is not less than the radial dimension (e.g. the outer diameter) of the output element 202.

[0165] In some embodiments, the third rotating element 305 is a third rotating groove.

[0166] The dimensions of the third connecting element 306 are matched with the dimensions of the third sealing element 303. Generally, the radial dimension (e.g., inner diameter) of the third connecting element 306 is equal to the radial dimension (e.g., outer diameter) of the third sealing element 303.

[0167] In some of these embodiments, the third connecting element 306 is a third connecting thread.

[0168] like Figure 5 As shown, the housing unit 400 includes a housing element 401, a fourth connecting element 402, a limiting element 403, and a first sliding element 404. The housing element 401 houses the medicine storage unit 200 and protects it. The fourth connecting element 402 is located at the top of the housing element 401 and is detachably connected to the connecting unit 300. The limiting element 403 is located at the top of the housing element 401 and restricts the position of the medicine storage unit 200 to prevent it from sliding out of the housing element 401. The first sliding element 404 is located at the bottom of the housing element 401 and is slidably connected to the pressing unit 500.

[0169] Specifically, the fourth connecting element 402 is detachably connected to the third connecting element 306; the limiting element 403 is used to limit the position of the drug storage element 201 and prevent the drug storage element 201 from sliding out of the housing element 401.

[0170] The dimensions of the housing element 401 are matched with the dimensions of the drug storage element 201. Generally, the radial dimension (e.g., inner diameter) of the housing element 401 is larger than the radial dimension (e.g., outer diameter) of the drug storage element 201, and the length of the housing element 401 is larger than the length of the drug storage element 201.

[0171] In some of these embodiments, housing element 401 is a protective shell.

[0172] The detachable connection between the fourth connecting element 402 and the third connecting element 306 includes, but is not limited to, threaded connection.

[0173] The dimensions of the fourth connecting element 402 match those of the third connecting element 306. Generally, the radial dimension (e.g., outer diameter) of the fourth connecting element 402 is equal to the radial dimension (e.g., outer diameter) of the third connecting element 306.

[0174] The dimensions of the fourth connecting element 402 are matched with the dimensions of the housing element 401. Generally, the radial dimension (e.g., inner diameter) of the fourth connecting element 402 is not greater than the radial dimension (e.g., outer diameter) of the housing element 401.

[0175] In some of these embodiments, the fourth connecting element 402 is a fourth thread.

[0176] The size of the limiting element 403 matches the size of the housing element 401. Generally, the radial dimension (such as the outer diameter) of the limiting element 403 is equal to the radial dimension (such as the inner diameter) of the housing element 401.

[0177] The size of the limiting element 403 matches the size of the output element 202. Generally, the radial dimension (such as the outer diameter) of the limiting element 403 is greater than the radial dimension (such as the outer diameter) of the output element 202.

[0178] In some embodiments, the limiting element 403 includes, but is not limited to, a limiting block.

[0179] The size of the first sliding element 404 matches the size of the housing element 401. Generally, the radial dimension (such as the outer diameter, length, width) of the first sliding element 404 is less than the radial dimension (such as the outer diameter, length, width) of the housing element 401, and the length of the first sliding element 404 is less than the length of the housing element 401.

[0180] In some embodiments, the first sliding element 404 is a plurality of first sliding elements 404. The plurality of first sliding elements 404 are distributed at intervals on the inner edge surface of the housing element 401.

[0181] In some embodiments, the first sliding element 404 includes, but is not limited to, a first sliding groove and a first sliding block.

[0182] Further, the housing unit 400 further includes an opening element 405. The opening element 405 is arranged at the top end of the housing element 401, and is used to expose the medicine storage unit 200 to add medicine to the medicine storage unit 200.

[0183] Specifically, the opening element 405 is used to expose the second input element 208 to add medicine to the medicine storage element 201.

[0184] The size of the opening element 405 matches the size of the second input element 208. Generally, the radial dimension (such as the inner diameter, length, width) of the opening element 405 is greater than the radial dimension (such as the outer diameter) of the second input element 208.

[0185] The size of the opening element 405 matches the size of the housing element 401. Generally, the radial dimension (such as the outer diameter, length, width) of the opening element 405 is less than the radial dimension (such as the outer diameter, length, width) of the housing element 401, and the depth of the opening element 405 is equal to the thickness of the housing element 401.

[0186] The size of the housing element 401 matches the size of the fourth connecting element 402. Generally, the length of the housing element 401 is greater than the height of the fourth connecting element 402.

[0187] In some embodiments, the opening element 405 is disposed downward from the top of the housing element 401. That is, the second input element 208 can be removed from the top of the housing element 401.

[0188] In some of these embodiments, the opening element 405 includes, but is not limited to, an opening.

[0189] Furthermore, the housing unit 400 also includes a placement element 406. The placement element 406 is disposed at the bottom end of the housing unit 401 and is used to place a finger to press the pressing unit 500.

[0190] The dimensions of the placement element 406 are matched with the dimensions of the housing element 401. Generally, the radial dimensions (such as outer diameter, length, and width) of the placement element 406 are smaller than the radial dimensions (such as outer diameter and height) of the housing element 401.

[0191] In some embodiments, the number of placement elements 406 is two. The two placement elements 406 are symmetrically arranged on both sides of the bottom end of the housing element 401.

[0192] In some of these embodiments, the placement element 406 includes, but is not limited to, a placement slot.

[0193] like Figure 6 As shown, the pressing unit 500 includes a second pressing element 501, a reset element 502, a fifth connecting element 503, and a second sliding element 504. The second pressing element 501 is slidably disposed at the bottom end of the housing unit 400 and is used for reciprocating motion along the axial direction of the housing unit 400. The reset element 502 is disposed at the top end of the second pressing element 501. The fifth connecting element 503 is disposed at the top end of the reset element 502 and is connected to both the reset element 502 and the drug storage unit 200. The second sliding element 504 is disposed on the second pressing element 501 and is slidably connected to the housing unit 400.

[0194] Specifically, the second pressing element 501 is disposed at the bottom end of the housing element 401; the fifth connecting element 503 is connected to the first pressing element 206; and the second sliding element 504 is slidably connected to the first sliding element 404.

[0195] The dimensions of the second pressing element 501 are matched with the dimensions of the housing element 401. Generally, the radial dimension (e.g., outer diameter) of the second pressing element 501 is smaller than the radial dimension (e.g., inner diameter) of the housing element 401, and the length of the second pressing element 501 is smaller than the length of the housing element 401.

[0196] The dimensions of the second pressing element 501 are matched with the dimensions of the first pressing element 206. Generally, the radial dimension (e.g., inner diameter) of the second pressing element 501 is not less than the radial dimension (e.g., outer diameter) of the first pressing element 206.

[0197] In some embodiments, the second pressing element 501 is a pressing tube.

[0198] The connection between the reset element 502 and the second pressing element 501 is fixed connection. The fixed connection includes but is not limited to welding and one-piece forming.

[0199] The size of the reset element 502 matches the size of the second pressing element 501. Generally, the radial dimension (such as the outer diameter) of the reset element 502 is smaller than the radial dimension (such as the outer diameter) of the second pressing element 501, and the length of the reset element 502 in the stretched state is not less than the length of the second pressing element 501.

[0200] In some embodiments, the reset element 502 includes but is not limited to a spring.

[0201] The connection between the fifth connecting element 503 and the first pressing element 206 is detachable connection. The detachable connection includes but is not limited to clamping and magnetic connection.

[0202] The size of the fifth connecting element 503 matches the size of the second pressing element 501. Generally, the radial dimension (such as the outer diameter) of the fifth connecting element 503 is not greater than the radial dimension (such as the inner diameter) of the second pressing element 501.

[0203] The size of the fifth connecting element 503 matches the size of the reset element 502. Generally, the radial dimension (such as the outer diameter) of the top end of the fifth connecting element 503 is greater than the radial dimension (such as the outer diameter) of the reset element 502, and the radial dimension (such as the outer diameter) of the bottom end of the fifth connecting element 503 is smaller than the inner diameter of the reset element 502.

[0204] In some embodiments, the fifth connecting element 503 includes but is not limited to a clamping head and a magnet.

[0205] The size of the second sliding element 504 matches the size of the first sliding element 404. Generally, the width of the second sliding element 504 is not greater than the width of the first sliding element 404.

[0206] The size of the second sliding element 504 matches the size of the housing element 401. Generally, the radial dimension (such as the outer diameter, length, and width) of the second sliding element 504 is smaller than the radial dimension (such as the outer diameter, length, and width) of the housing element 401, and the length of the second sliding element 504 is smaller than the length of the housing element 401.

[0207] The number of the second sliding element 504 matches the number of the first sliding element 404. Generally, the number of the second sliding element 504 is equal to the number of the first sliding element 404.

[0208] In some embodiments, the second sliding element 504 is a plurality of second sliding elements 504. The plurality of second sliding elements 504 are spaced apart on the top end of the second pressing element 501.

[0209] In some embodiments, the second sliding element 504 is a second sliding groove or a second sliding block.

[0210] The use method of the utility model:

[0211] (I) installation:

[0212] In use, first, according to the need, add external medicine in the storage element 201, then, utilize the first pressing element 206 and the fifth connecting element 503 to connect, place the second input element 208 in the opening element 405, place the storage element 201 in the inside of the shell element 401, the limiting element 403 limits the position of the storage element 201, prevents it from sliding out of the shell element 401, then cover the third sealing element 303 on the top end of the shell element 401, utilize the third connecting element 306 and the fourth connecting element 402 to connect and fix the third sealing element 303 on the top end of the shell element 401, rotate the first base element 301, connect the second connecting element 203 and the first connecting element 104, that is, fix the medicine applying element 101 and the output element 202 opposite.

[0213] (II) medicine applying:

[0214] Press the second pressing element 501, the second sliding element 504 slides relative to the first sliding element 404, the reset element 502 deforms, the first pressing element 206 drives the rod element 205 and the pushing element 204 to push the medicine of the storage element 201 to enter the passage element 102 through the output element 202 and evenly apply on the affected area, at the same time, rotate the first base element 301 to apply and open the affected area, so that the external medicine can be evenly applied and absorbed, release the second pressing element 501, the reset element 502 restores deformation, drives the fifth connecting element 503 to move towards the second pressing element 501, and then drives the first pressing element 206, the rod element 205 and the pushing element 204 to move towards the bottom end of the storage element 201, stop outputting medicine.

[0215] (III) cleaning:

[0216] Disconnect the connection between the second connecting element 203 and the first connecting element 104, and the connection between the third connecting element 306 and the fourth connecting element 402, separate the connecting unit 300 from the storage unit 200 and the shell unit 400, then disconnect the connection between the second pressing element 501 and the fifth connecting element 503, and the connection between the limiting element 403 and the shell element 401, take out the storage element 201, then clean the storage unit 200 and the medicine applying unit 100.

[0217] The technical effects of the utility model are as follows:

[0218] The pressing unit pushes the medicine storage unit to supply medicine to the medicine applying unit, the medicine applying unit uniformly outputs the external medicine and applies it to the affected area, the medicine is uniformly applied, and the problem that the medicine effect is affected by insufficient application is solved; the connecting unit is arranged in a rotary connection mode, can be connected with the medicine storage unit and the shell unit respectively and independently, and does not affect each other; the medicine storage unit can timely supply medicine to the medicine applying unit without disassembly, and the medicine is prevented from being contaminated; and the medicine storage unit and the medicine applying unit can be easily disassembled and cleaned, health and safety are ensured, and the problem that the medicine is easily contaminated is solved.

[0219] Embodiment 2

[0220] This embodiment is a variant of embodiment 1.

[0221] As shown in Figure 7 , the applying device further includes a massage unit 600. The massage unit 600 is arranged at the top end of the connecting unit 300 and is used for massaging the affected area.

[0222] As shown in Figure 8 , the medicine applying unit 100 further includes at least one fourth rotating element 105. The fourth rotating element 105 is arranged at the side of the medicine applying unit 100 and is rotatably connected with the massage unit 600.

[0223] Specifically, the fourth rotating element 105 is arranged at the side of the medicine applying element 101.

[0224] The size of the fourth rotating element 105 matches the size of the medicine applying element 101. Generally, the height of the fourth rotating element 105 is less than the height of the medicine applying element 101.

[0225] In some embodiments, the fourth rotating element 105 is a plurality of fourth rotating elements. The plurality of fourth rotating elements 105 are arranged along the circumference and / or the axis of the medicine applying element 101.

[0226] In some embodiments, the fourth rotating element 105 is a fourth rotating groove or a first rotating block.

[0227] As shown in Figure 9 , the massage unit 600 includes a second base element 601 and a plurality of first rolling elements 602. The second base element 601 is arranged at the top end of the connecting unit 300, and the plurality of first rolling elements 602 are arranged on the second base element 601 and are used for massaging the affected area.

[0228] Specifically, the second base element 601 is arranged on the first base element 301.

[0229] The connection mode of the second base element 601 and the first base element 301 is fixed connection or detachable connection. The fixed connection mode includes but is not limited to one-piece forming, and the detachable connection mode includes but is not limited to clamping.

[0230] The size of the second base element 601 matches the size of the first base element 301. Generally, the radial size (such as the outer diameter) of the second base element 601 is smaller than the radial size (such as the outer diameter) of the first base element 301, and the height of the second base element 601 is smaller than the height of the first base element 301.

[0231] In some embodiments, the second base element 601 is a second mounting seat.

[0232] The second base element 601 is arranged in an array at the top end of the second base element 601.

[0233] The size of the first rolling element 602 matches the size of the second base element 601. Generally, the radial size (such as the outer diameter) of the first rolling element 602 is smaller than the radial size (such as the outer diameter) of the second base element 601.

[0234] In some embodiments, the first rolling element 602 is a rolling ball.

[0235] Further, the massage unit 600 further comprises at least one fifth rotating element 603. The fifth rotating element 603 is arranged on the second base element 601 and is rotationally connected with the medicine applying unit 100.

[0236] Specifically, the fifth rotating element 603 is rotationally connected with the fourth rotating element 105.

[0237] The size of the fifth rotating element 603 matches the size of the second base element 601. Generally, the radial size (such as the inner diameter) of the fifth rotating element 603 is not greater than the radial size (such as the outer diameter) of the fifth rotating element 603, and the height of the fifth rotating element 603 is smaller than the height of the second base element 601.

[0238] The size of the fifth rotating element 603 matches the size of the fourth rotating element 105. Generally, the width of the fifth rotating element 603 is equal to the width of the fourth rotating element 105, and the height of the fifth rotating element 603 is equal to the height of the fourth rotating element 105.

[0239] In some embodiments, the fifth rotating element 603 is a fifth rotating groove or a second rotating block.

[0240] When the fifth rotating element 603 is a fifth rotating groove, the fifth rotating element 603 can be a circular ring or an arc.

[0241] Further, the massage unit 600 further comprises a plurality of second rolling elements 604. Wherein, the plurality of second rolling elements 604 are distributed on the top end of the second base element 601, and are respectively rolling connected with the corresponding first rolling elements 602.

[0242] The size of the second rolling element 604 matches the size of the first rolling element 602. Generally, the radial dimension (such as the outer diameter) of the second rolling element 604 is not less than the radial dimension (such as the outer diameter) of the first rolling element 602.

[0243] The size of the second rolling element 604 matches the size of the second base element 601. Generally, the radial dimension (such as the outer diameter) of the second rolling element 604 is less than the radial dimension (such as the outer diameter) of the second base element 601.

[0244] The number of the second rolling element 604 matches the number of the first rolling element 602. Generally, the number of the second rolling element 604 is equal to the number of the first rolling element 602.

[0245] In some embodiments, the second rolling element 604 is a spherical rolling groove.

[0246] The use method of the embodiment is as follows:

[0247] When applying the medicine to the affected area by the method of embodiment 1, rotate the first base element 301, and the fifth rotating element 603 rotates relative to the fourth rotating element 105, that is, the second base element 601 rotates relative to the medicine applying element 101, and the first rolling element 602 rolls relative to the second rolling element 604 to massage the affected area and promote the absorption of the external medicine.

[0248] The technical effects of the embodiment are as follows:

[0249] The massage unit can massage the affected area while applying medicine to accelerate drug absorption and patient comfort.

[0250] Embodiment 3

[0251] This embodiment is a variant of embodiments 1-2.

[0252] As shown in Figure 10 , the smearing device further comprises a driving unit 700 and a control unit 800. Wherein, the driving unit 700 is arranged on the connecting unit 300 and is drivingly connected with the massage unit 600, for driving the massage unit 600 to rotate; the control unit 800 is arranged on the connecting unit 300 and is connected with the driving unit 700.

[0253] In some embodiments, the control unit 800 includes but is not limited to a processor, a single-chip microcomputer.

[0254] As shown in Figure 11 The connecting unit 300 further comprises a chamber element 307 and a sixth rotating element 308. The chamber element 307 is arranged in the connecting unit 300 for mounting the driving unit 700 and the control unit 800. The sixth rotating element 308 is arranged at the bottom end of the chamber element 307 and rotatably connected with the bottom end of the massage unit 600.

[0255] Specifically, the chamber element 307 is arranged in the first base element 301.

[0256] The size of the chamber element 307 matches the size of the first base element 301. Generally, the radial dimension (e.g. the outer diameter) of the chamber element 307 is smaller than the radial dimension (e.g. the outer diameter) of the first base element 301, and the height of the chamber element 307 is smaller than the height of the first base element 301.

[0257] In some embodiments, the chamber element 307 is a mounting cavity.

[0258] The sixth rotating element 308 is arranged through the first base element 301.

[0259] The size of the sixth rotating element 308 matches the size of the third sealing element 303. Generally, the radial dimension (e.g. the outer diameter) of the sixth rotating element 308 is smaller than the radial dimension (e.g. the outer diameter) of the third sealing element 303.

[0260] In some embodiments, the sixth rotating element 308 is a sixth rotating groove.

[0261] As shown in Figure 12 The massage unit 600 further comprises a seventh rotating element 605 and a first transmission element 606. The seventh rotating element 605 is arranged at the bottom end of the massage unit 600, sleeved with the bottom end of the medicine applying unit 100, and rotatably connected with the connecting unit 300. The first transmission element 606 is arranged in the seventh rotating element 605 and transmissionally connected with the driving unit 700, for driving the massage unit 600 to rotate under the action of the driving unit 700.

[0262] Specifically, the seventh rotating element 605 is rotatably connected with the sixth rotating element 308.

[0263] The size of the seventh rotating element 605 matches the size of the sixth rotating element 308. Generally, the radial dimension (e.g. the outer diameter) of the seventh rotating element 605 is not greater than the radial dimension (e.g. the outer diameter) of the sixth rotating element 308, and the height of the seventh rotating element 605 is greater than the height of the sixth rotating element 308.

[0264] In some embodiments, the seventh rotating element 605 is a rotating shaft.

[0265] The first transmission element 606 is detachably connected to the seventh rotating element 605. The detachable connection includes, but is not limited to, clamping, screw connection.

[0266] The size of the first transmission element 606 matches the size of the seventh rotating element 605. Generally, the radial dimension (such as the outer diameter) of the first transmission element 606 is larger than the radial dimension (such as the outer diameter) of the seventh rotating element 605, and the height of the first transmission element 606 is smaller than the height of the seventh rotating element 605.

[0267] In some embodiments, the first transmission element 606 is a first transmission wheel.

[0268] As shown in FIG. 7, the driving unit 700 includes a driving element 701 and a second transmission element 702. The driving element 701 is arranged in the connecting unit 300 and connected to the control unit 800, and is used to drive the massage unit 600 to rotate. The second transmission element 702 is in transmission connection with the massage unit 600 and the driving element 701 respectively, and is used to drive the massage unit 600 to rotate under the action of the driving element 701. Figure 13 Specifically, the driving element 701 is arranged in the chamber element 307, and the second transmission element 702 is in transmission connection with the first transmission element 606.

[0269] In some embodiments, the driving element 701 includes, but is not limited to, a motor.

[0270] The transmission ratio of the second transmission element 702 to the first transmission element 606 is 2:1-4:1.

[0271] The transmission ratio of the second transmission element 702 to the driving element 701 is 1:2-1:5.

[0272] In some embodiments, the second transmission element 702 is a second transmission wheel.

[0273] Further, the smearing device further includes a protection unit. The protection unit is removably arranged at the top end of the connecting unit 300, and is used to protect the medicine applying unit 100 and the massage unit 600.

[0274] Specifically, the protection unit covers the second base element 601.

[0275] The size of the protection unit matches the size of the first base element 301. Generally, the radial dimension (such as the inner diameter) of the protection unit is equal to the radial dimension (such as the outer diameter) of the first base element 301, and the height of the protection unit is greater than the height of the first base element 301.

[0276] The size of the protection unit matches the size of the first base element 301. Generally, the radial dimension (such as the inner diameter) of the protection unit is equal to the radial dimension (such as the outer diameter) of the first base element 301, and the height of the protection unit is greater than the height of the first base element 301.

[0277] In some embodiments, the protective unit is a protective cover.

[0278] The use method of the embodiment is as follows:

[0279] The control unit 800 is used to drive the driving element 701 to drive the second transmission element 702 to rotate, and drive the first transmission element 606 to rotate, and then drive the seventh rotating element 605 to drive the second base element 601 to rotate, and the first rolling element 602 rotates relative to the second rolling element 604 to automatically massage the skin and promote the absorption of the external medicine.

[0280] The technical effect of the embodiment is as follows:

[0281] The control unit is used to drive the driving unit to automatically massage the affected part of the patient, effectively promote the absorption of the medicine, can be massaged while applying, improve the medicine application efficiency, and can save manpower.

[0282] The above only describes the preferred embodiments of the utility model, and does not limit the implementation and protection scope of the utility model, and those skilled in the art should realize that any equivalent replacement and obvious change obtained by applying the contents of the utility model specification and drawings should be included in the protection scope of the utility model.

Claims

1. A device for applying topical medications, characterized in that, include: A medication application unit, wherein the medication application unit is used to apply medication to the affected area; A drug storage unit is disposed at the bottom end of the drug application unit and communicates with the drug application unit, for storing drugs and delivering drugs to the drug application unit; A connecting unit is disposed between the drug application unit and the drug storage unit, and is rotatably connected to the drug application unit; A housing unit, which covers the drug storage unit and is detachably connected to the connecting unit, is used to protect the drug storage unit. The pressing unit is located at the bottom of the drug storage unit and is used to drive the drug storage unit to deliver the drug to the drug application unit.

2. The applicator according to claim 1, characterized in that, The coating unit includes: A medication application element, disposed in the connecting unit, is used to apply medication to the affected area; At least one channel element, the channel element being disposed through the drug-applying element, for dispensing drug; A first input element is disposed at the bottom end of the drug-applying element and is connected to the channel element and the drug storage unit respectively, for delivering drug to the channel element; A first connecting element is disposed on the first input element and is detachably connected to the drug storage unit; and / or The drug storage unit includes: A drug storage element is disposed at the bottom end of the drug application unit and located inside the housing unit, for storing drugs and delivering drugs to the drug application unit; An output element is disposed at the top of the drug storage element, communicates with the drug application unit, and is rotatably connected to the connecting unit, for conveying the drug in the drug storage element to the drug application unit; A second connecting element is disposed on the output element and is detachably connected to the application unit; A pushing element is movably disposed on the drug storage element and is used to reciprocate along the axial direction of the drug storage element to push the drug out of the drug storage element or to draw the drug into the drug storage element. A rod element, the top end of which is connected to the pushing element, for pushing the pushing element to reciprocate along the axial direction of the drug storage element; A first pressing element, disposed at the bottom end of the rod element and connected to the pressing unit, is used to push the rod element to reciprocate along the axial direction of the drug storage element under the action of the pressing unit; and / or The connection unit includes: A first base element is connected to the coating unit; A first rotating element is disposed at the bottom end of the first base element; A third sealing element is rotatably disposed at the bottom end of the first rotating element and rotatably connected to the top end of the housing unit for sealing the housing unit; The second rotating element is disposed at the top end of the third sealing element and is rotatably connected to the first rotating element, for causing the third sealing element to rotate relative to the first base element; A third rotating element is disposed through the third sealing element and is rotatably connected to the top end of the drug storage unit; A third connecting element, wherein the third connecting element is disposed on the third sealing element and is detachably connected to the housing unit; and / or The housing unit includes: A housing element, which covers the drug storage unit and is used to protect the drug storage unit; A fourth connecting element is disposed at the top of the housing element and is detachably connected to the connecting unit; A limiting element is provided at the top of the housing element to limit the position of the drug storage unit and prevent the drug storage unit from sliding out of the housing element; A first sliding element is disposed at the bottom end of the housing element and is slidably connected to the pressing unit; and / or The pressing unit includes: The second pressing element is slidably disposed at the bottom end of the housing unit and is used for reciprocating motion along the axial direction of the housing unit; A reset element is disposed at the top end of the second pressing element; A fifth connecting element is disposed at the top of the reset element and is connected to the reset element and the drug storage unit respectively; The second sliding element is disposed on the second pressing element and is slidably connected to the housing unit.

3. The applicator according to claim 2, characterized in that, The drug storage unit also includes: A first sealing element, disposed at the bottom end of the drug storage element, is used to seal the drug storage element; and / or The drug storage unit also includes: The second input element is disposed at the top of the drug storage element and communicates with the drug storage element for adding drugs to the drug storage element; A second sealing element, removably disposed on the second input element and located outside the housing unit, is used to seal the input element; and / or The housing unit further includes: An opening element, disposed at the top of the housing element, is used to expose the drug storage unit for adding drug to the drug storage unit; and / or The housing unit further includes: A placement element is provided at the bottom end of the housing element for placing a finger to press the pressing unit.

4. The applicator according to any one of claims 1 to 3, characterized in that, Also includes: A massage unit is disposed at the top of the connecting unit and is used to massage the affected area.

5. The applicator according to claim 4, characterized in that, The coating unit also includes: At least one fourth rotating element is disposed on the side of the application unit and rotatably connected to the massage unit.

6. The applicator according to claim 4, characterized in that, The massage unit includes: A second base element is disposed at the top of the connecting unit; A plurality of first rolling elements are distributed on the second base element for massaging the affected area.

7. The applicator according to claim 6, characterized in that, The massage unit also includes: A plurality of second rolling elements are distributed at the top end of the second base and are respectively rolledly connected to the corresponding first rolling elements; and / or At least one fifth rotating element is disposed on the second base element and rotatably connected to the application unit.

8. The applicator according to any one of claims 4 to 7, characterized in that, Also includes: Drive unit; The drive unit is disposed on the connection unit and is connected to the massage unit in a transmission manner, and is used to drive the massage unit to rotate; A control unit is disposed in the connection unit and connected to the drive unit.

9. The applicator according to claim 8, characterized in that, The connection unit further includes: A chamber element is disposed in the connection unit and is used to mount the drive unit and the control unit; A sixth rotating element, wherein the sixth rotating element is disposed at the bottom end of the chamber element and is rotatably connected to the bottom end of the massage unit; and / or The massage unit also includes: A seventh rotating element is disposed at the bottom end of the massage unit, sleeved on the bottom end of the medicine application unit, and rotatably connected to the connecting unit. A first transmission element is disposed on the seventh rotating element and is connected to the drive unit for driving the massage unit to rotate under the action of the drive unit.

10. The applicator according to claim 8, characterized in that, The driving unit includes: A driving element is disposed in the connecting unit and connected to the control unit for driving the massage unit to rotate. The second transmission element is connected to the massage unit and the drive element respectively, and is used to drive the massage unit to rotate under the action of the drive element.

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