Multifunctional toothbrush capable of spraying and dosing

By designing a multi-functional toothbrush for spray drug delivery, the problem of separating spraying and brushing in dental treatment has been solved. It enables spraying, applying medication, and brushing to be completed simultaneously on one device, making it suitable for different groups of people and improving treatment efficiency and comfort.

CN223979556UActive Publication Date: 2026-03-10NANJING DRUM TOWER HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

In current dental treatments, oral cleaning and medication application need to be handled separately, resulting in high time costs. Furthermore, existing devices cannot simultaneously apply medication and brush teeth, and may cause pain to patients or make it difficult to reach the lesion site.

Method used

A multi-functional toothbrush for spraying medication has been designed, comprising a handle, a spray head, a wiping head, a brushing head, and an adjustment rod. The three functions can be adjusted through the mounting structure, and it is equipped with a light. The handle has a medication dispensing area and a dispensing mechanism. The medication is dispensed by an electric push rod, and the length of the adjustment rod is adjustable for convenient spraying and wiping.

Benefits of technology

It enables the simultaneous application of medication, smearing, and brushing on a single device, saving time, suitable for different groups of people, and can easily reach lesions inside the oral cavity. It also provides lighting assistance, improving treatment efficiency and comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The multifunctional toothbrush comprises a handle, a medicine spraying head, a medicine smearing head and a tooth brushing head, a medicine supply area is arranged in the handle, an installation block is arranged at the upper end of the handle, three adjusting rods are evenly installed on the installation block through an installation structure, and the medicine spraying head, the medicine smearing head and the tooth brushing head are arranged at the upper ends of the three adjusting rods respectively. A medicine squeezing structure and a medicine storage structure are arranged in the medicine supply area, medicine in the medicine storage structure is squeezed into the medicine spraying head through the medicine squeezing structure, and an illuminating lamp is arranged in the center of the handle mounting block. The toothbrush has the advantages that the toothbrush has three functions of medicine spraying, medicine smearing and tooth cleaning, medicine can be sprayed and smeared only by lifting the medicine spraying head and the medicine smearing head respectively after teeth are brushed, and convenience and rapidness are achieved.
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Description

Technical Field

[0001] This utility model relates to a multifunctional toothbrush that delivers medication via spray, belonging to the field of medical device technology. Background Technology

[0002] In dental treatment, it is usually necessary to clean the teeth inside the mouth and spray medication on the lesions inside the mouth. Current treatment procedures generally require cleaning the teeth and spraying medication separately, which requires changing tools and is time-consuming.

[0003] Chinese Patent Application No. 201420497635.2: A novel medical toothbrush, comprising a brush head, a handle, and bristles, characterized in that the handle is made of rubber, hollow, and equipped with a drug storage chamber and a drug delivery tube; the front end of the handle has a sealable opening; the handle is connected to the brush head and the two are interconnected; a spray hole is provided on the side of the brush head with bristles; medication is injected into the handle and sealed; squeezing the handle allows the medication to be sprayed out from the spray hole. This invention allows brushing and medication application to be performed simultaneously, and also effectively delivers the medication to the affected area; it has a simple structure and is easy to use.

[0004] However, in this application, the spray and brush bristles are set together. When the brush bristles touch the affected area in the mouth, it will cause pain to the patient and make it impossible to apply the medicine inside the mouth. The length of the toothbrush cannot be adjusted, making it difficult to reach the inside of the patient's mouth with the toothbrush spray and making it impossible to observe whether the spray has been reached. Utility Model Content

[0005] The technical problem to be solved by this utility model is that the existing treatment process generally requires separate treatment of teeth cleaning and medication spraying inside the mouth, which requires finding different tools and has a high time cost.

[0006] To address the aforementioned technical problems, a multifunctional toothbrush for spray-based drug delivery is proposed; this is achieved through the following technical solution:

[0007] It includes a handle, a spray head, a wiping head, a brush head, a mounting structure, and three adjusting rods. The three adjusting rods are mounted on the handle via the mounting structure and are used to adjust the height of the spray head, wiping head, and brush head. The adjusting rods on the mounting structure can be pulled out. The three adjusting rods are connected to the spray head, wiping head, and brush head respectively, realizing the three functions of spraying, wiping, and brushing. The handle has a drug supply area inside to supply drug to the spray head, and a light is set in the center of the mounting structure.

[0008] When not using a toothbrush, the three adjustment levers are retracted to their shortest length and vertically mounted on the handle via the mounting structure for easy storage. When brushing is needed, the adjustment levers of the spray head and the swab head are retracted to their shortest length, and the brush head on the mounting structure is pulled out. The adjustment lever of the brush head is extended for brushing. When spraying medication is needed, the adjustment levers of the swab head and the brush head are retracted, and the spray head on the mounting structure is pulled out. The dispensing mechanism is activated to squeeze the medication from the storage structure into the spray head for spraying onto the affected area. The swab head is then pulled out to spread the medication evenly on the affected area. When not applying medication, the swab head can massage the oral cavity. When the spray head, swab head, and brush head are pulled out, the light on the handle can be used independently to ensure that the dentist can clearly see the affected area inside the oral cavity.

[0009] In a preferred embodiment of the present invention, a cylindrical groove is provided inside the handle, and a drug supply area is provided inside the groove. The drug supply area includes a drug squeezing structure and a drug storage structure. The drug storage structure is provided above the drug squeezing structure. The drug squeezing structure squeezes the drug storage structure to supply drug to the spray head, ensuring that the toothbrush can apply the drug.

[0010] In a preferred embodiment of the present invention, the extrusion structure includes an electric push rod and an extrusion block. One end of the electric push rod is fixedly connected to the bottom of the inner groove of the handle, and the other end of the electric push rod is fixedly connected to the extrusion block. The electric push rod pushes the extrusion block to extrude the drug storage structure to supply the drug to the spray head. A control button is connected to the electric push rod and is located on the handle. The electric push rod can be activated to extrude the drug storage structure by means of the control button, which is convenient and quick.

[0011] In a preferred embodiment of the present invention, the drug storage structure includes a drug storage bag and a drug delivery tube. The drug storage bag is positioned above the extrusion structure within the handle slot. A drug delivery tube is connected to the drug storage bag to replenish the drug. The drug storage bag is connected to a spray head via the drug delivery tube for drug supply. The drug delivery tube is used to add drug to the drug storage bag to prevent insufficient drug inside the handle.

[0012] In a preferred embodiment of the present invention, the installation structure includes an installation block, which is threadedly connected to the handle. Three installation slots are evenly provided on the installation block to ensure the stable installation of the adjustment rod.

[0013] In a preferred embodiment of the present invention, the installation structure further includes a mounting frame, a limiting buckle, and a magnetic attraction device. The mounting frame and the limiting buckle are fixedly connected in the installation groove to limit the adjustment rod. The positive pole of the magnetic attraction device is installed at the bottom of the adjustment rod, and the negative pole of the magnetic attraction device is installed in the installation groove. The adjustment rod is installed in the installation groove, and the positive and negative poles of the magnetic attraction device attract each other, ensuring the stable installation of the adjustment rod.

[0014] In a preferred embodiment of the present invention, the adjusting rod includes an upper rod and a lower rod. An adjusting groove is provided in the side wall of the lower rod, and the upper rod can slide controllably within the adjusting groove. An adjusting port is provided on the outer side wall of the lower rod, and multiple insertion ports are evenly arranged on the side wall of the upper rod. A limiting structure is inserted between the adjusting port and the insertion ports. The length of the adjusting rod is adjusted by adjusting the insertion port corresponding to the adjusting port, and the limiting structure is pulled to replace the insertion port corresponding to the adjusting port, thereby adjusting the relative position of the upper rod and the lower rod, and thus adjusting the length of the adjusting rod.

[0015] In a preferred embodiment of the present invention, the limiting structure includes a limiting block, a spring, and a control block. One end of the limiting block is inserted through an adjustment port and a socket. A spring is provided between the end of the limiting block near the socket and the inner wall of the upper rod. The other end of the limiting block is fixedly connected to the control block, which adjusts the positional relationship between the limiting block and the socket.

[0016] In a preferred embodiment of the present invention, the spray head is provided with multiple spray holes, and the wiping head is provided with soft rubber particles to achieve the function of massaging the oral cavity. The adjustment rods corresponding to the spray head, wiping head and toothbrush head are respectively provided with nameplates. Oral massage can also be achieved when the wiping head is not applying medicine. The nameplates prevent incorrect use.

[0017] The advantages of this utility model compared with the prior art are:

[0018] 1. It has three functions: spraying, applying medicine and cleaning teeth. After brushing your teeth, you only need to pick up the spray head and the application head to spray or apply medicine. The spray head, application head and brush head are installed on one handle, so you don't need to find multiple tools, saving time and making it convenient and quick.

[0019] 2. Users can adjust the length of the spray head, application head, and brush head using the adjustment lever as needed. It can be used by both adults and children, and it makes it easier to reach the areas inside the mouth where medication needs to be applied.

[0020] 3. When lighting is needed, the spray head, swab head, and brush head can be removed, and the LED light above the handle will illuminate the inside of the mouth, making it easier for doctors to observe the condition inside the mouth. Attached Figure Description

[0021] Figure 1 The figure shown is a three-dimensional structural diagram of a multifunctional toothbrush for spraying medication according to this utility model. Figure 1 ;

[0022] Figure 2 The figure shown is a three-dimensional structural diagram of a multifunctional toothbrush for spraying medication according to this utility model. Figure 2 ;

[0023] Figure 3 The figure shown is a three-dimensional structural diagram of a multifunctional toothbrush for spraying medication according to this utility model. Figure 3 ;

[0024] Figure 4 The image shown is an internal cross-sectional view of a multifunctional toothbrush for spraying medication according to this utility model.

[0025] Figure 5 The diagram shown is a schematic diagram of the adjusting rod structure of a multifunctional toothbrush for spray drug delivery according to this utility model;

[0026] Figure 6 The image shown is an internal cross-sectional view of the adjusting rod of a multifunctional toothbrush for spray drug delivery according to this utility model.

[0027] Explanation of reference numerals in the attached drawings: 1. Handle; 2. Spray head; 3. Applying head; 4. Brush head; 5. Dispensing area; 6. Mounting structure; 61. Mounting bracket; 62. Limiting buckle; 63. Magnetic suction device; 7. Adjusting rod; 71. Upper rod; 72. Lower rod; 73. Adjusting groove; 74. Adjusting port; 75. Insertion port; 76. Limiting structure; 77. Limiting block; 78. Spring; 79. Control block; 8. Dispensing structure; 81. Electric push rod; 82. Dispensing block; 83. Control button; 9. Dispensing structure; 91. Medicine bag; 92. Dispensing tube; 93. Dosing tube; 94. Sealing cap; 10. Lighting lamp; 11. Mounting block; 12. Mounting groove. Detailed Implementation

[0028] The following will refer to the appendix in the embodiments of this utility model. Figures 1-6 The technical solutions in the embodiments of this utility model will be described in detail below. Example

[0029] like Figure 1 , 2 3 and Figure 4 As shown, a multi-functional toothbrush for spraying medication includes a handle 1, a spray head 2, a wiping head 3, a brushing head 4, a mounting structure 6, and three adjusting rods 7.

[0030] The handle 1 is a cylinder with an internal slot, and the slot has a drug supply area 5 for supplying the drug to the spray head 2.

[0031] The mounting structure 6 includes a mounting block 11, which is threadedly connected to the handle 1, ensuring that rotating the mounting block 11 allows it to be removed from the handle 1, and the structure inside the drug supply area 5 of the handle 1 to be replaced.

[0032] The mounting structure 6 also includes a mounting bracket 61, a limiting buckle 62, and a magnetic suction device 63 to ensure that the adjusting rod 7, handle 1, spray head 2, and application head 3 are stably placed on the mounting block 11.

[0033] Spray head 2 sprays medication into the patient's oral cavity.

[0034] The medicated applicator 3 enables the application of medication to the inside of the patient's mouth and the massage of the oral cavity.

[0035] Use the toothbrush head 4 to clean your teeth.

[0036] The handle 1 is a cylinder with an internal slot. The slot has a drug supply area 5. The bottom of the drug supply area 5 is fixedly connected to the extrusion structure 8 by screws. The extrusion structure 8 has a storage structure 9 above it. The extrusion structure 8 applies pressure to the storage structure 9, squeezing the liquid medicine inside the storage structure 9 into the spray head 2.

[0037] like Figure 4 As shown, the extrusion structure 8 includes an electric push rod 81 and an extrusion block 82. The lower end of the electric push rod 81 is fixedly installed on the bottom surface of the drug supply area 5 by screws. The charging port of the electric push rod 81 is located on the bottom surface of the lower end of the handle 1. The control button 83 of the electric push rod 81 is located on the handle. The control button 83 controls the operation of the electric push rod 81. When the electric push rod 81 is out of power, it can be charged through the charging port.

[0038] An extrusion block 82 is welded to the upper end of the electric push rod 81. The extrusion block 82 is a plastic disc with a rubber layer on the side that contacts the medicine storage structure 9. The electric push rod 81 extends and pushes the extrusion block 82 upward to extrude the medicine storage structure 9, so that the medicine inside the medicine storage structure 9 is squeezed into the spray head 2, enabling the toothbrush to perform the medicine spraying function.

[0039] like Figure 4 As shown, the medicine storage structure 9 includes a medicine storage bag 91, which is a cylindrical high-strength plastic bag. The upper end of the medicine storage bag 91 is fixedly connected to the handle 1 through a plastic mounting ring.

[0040] The top of the medicine storage bag 91 is connected to the medicine delivery tube 92. The medicine storage bag 91 is connected to the spray head 2 through the medicine delivery tube 91. After the medicine storage bag 91 is squeezed, the medicine enters the spray head from the medicine delivery tube 91.

[0041] The medicine storage bag 91 is provided with a medicine addition tube 93 on the top side. The medicine addition tube 93 passes through the handle 1 and connects to the sealing cap 94. Both the medicine addition tube 93 and the medicine delivery tube 91 are polytetrafluoroethylene round tubes.

[0042] The squeezing block 82 squeezes the medicine storage bag 91, squeezing the medicine inside the medicine storage bag 91 along the medicine delivery pipe 92 to the spray head 2. When the medicine is insufficient, the sealing cover 94 is opened and medicine is added to the inside of the medicine storage bag 91 through the medicine addition pipe 93.

[0043] The upper end of the handle 1 is provided with a mounting block 11. The handle 1 and the mounting block 11 are connected by threads. When adding medicine, the mounting block 11 can be opened to observe the adding situation.

[0044] like Figure 1 , 2 3 and Figure 4As shown, the mounting bracket 61, the limiting buckle 62, and the magnetic suction device 63 are provided. Three mounting slots 12 are evenly arranged on the mounting block 11. The mounting bracket 61 and the limiting buckle 62 are welded to the side of the mounting slot 12 near the center of the handle. The two ends of the mounting bracket 61 are welded to the two sides of the mounting slot 12. The lower end of the adjusting rod 7 is engaged with the mounting bracket 61. The limiting buckle 62 is welded to the upper side of the side of the mounting slot 12 near the center of the handle. The adjusting rod 7 is also engaged inside the limiting buckle 62. The double engagement ensures that the adjusting rod 7 is placed stably.

[0045] like Figure 1 , 2 The positive pole of the magnetic attraction device 63 shown in Figure 3 is located on the lower end surface of the adjusting rod 7, and the negative pole of the magnetic attraction device 63 is installed in the mounting groove 12. When the adjusting rod 7 is installed in the mounting groove 12, the magnetic attraction devices 63 interact with each other to attract the adjusting rod 7 and prevent the adjusting rod 7 from shifting.

[0046] like Figure 6 As shown, the adjusting rod 7 includes an upper rod 71 and a lower rod 72. Both the upper rod 71 and the lower rod 72 are hollow round rods. The upper end of the upper rod 71 is threaded to the mounting block 11, and the bottom of the lower rod 72 is sealed.

[0047] An adjustment groove 73 is provided in the side wall of the lower rod 72. The cross-section of the adjustment groove 73 is circular. The thickness of the adjustment groove 73 is slightly greater than the thickness of the side wall of the upper rod 71. The upper rod 71 is set in the adjustment groove 73 to ensure that the upper rod 71 can slide up and down in the adjustment groove 73 of the lower rod 72.

[0048] An adjustment port 74 is provided on the outer side wall of the lower rod 72, and multiple insertion ports 75 are vertically and evenly arranged on the side wall of the upper rod 71 corresponding to the adjustment port 74. The adjustment port 74 is circular, and the insertion port 75 includes a limiting part and a connecting part. The diameter of the connecting part is the same as that of the adjustment port, and the diameter of the limiting part is smaller than that of the adjustment port 74.

[0049] A limiting structure 76 is inserted between the adjustment port 74 and the socket 75. Pulling the limiting structure 76 changes the socket 75 corresponding to the adjustment port 74, thereby adjusting the relative position of the upper rod 71 and the lower rod 72, and thus adjusting the length of the adjustment rod 7.

[0050] like Figure 6 As shown, the limiting structure 76 includes a limiting block 77, a spring 78, and a control block 79.

[0051] The limiting block 77 includes a cylindrical body and an annular limiting part. The annular limiting part is welded to the cylindrical body. The cylindrical body of the limiting block 77 passes through the adjustment port 74 and is inserted into the limiting part of the insertion port 75. The diameter of the cylindrical body is slightly smaller than the diameter of the limiting part of the insertion port 75, and the diameter of the annular limiting part is smaller than the adjustment port 74 and larger than the limiting part of the insertion port 75.

[0052] A spring 78 is provided between the annular limiting part and the inner wall of the adjusting groove 73 of the lower rod 72. One end of the limiting block 77 is fixedly connected to the control block 79, and the control block 79 is provided on the outer surface of the lower rod 72.

[0053] Pulling the control block 79 causes the limit block 77 to move away from the socket 75 and compresses the spring 78. At this time, the upper rod 71 can move within the adjustment groove 73 of the lower rod 72. Releasing the control block 79 causes it to snap into the corresponding socket 75, at which point the length of the adjustment rod 7 is fixed.

[0054] The upper ends of the three adjusting rods 7 are respectively equipped with a spray head 2, a wiping head 3, and a brush head 4. The spray head 2 is equipped with multiple spray holes, the wiping head 3 is equipped with soft rubber particles, and oral massage can be achieved even when the wiping head 3 is not applying medicine, and the brush head 4 is equipped with bristles.

[0055] Nameplates are fixedly connected to the adjusting rods 7 of the spray head 2, the application head 3, and the toothbrush head 4 by screws, and the nameplates are set to avoid using the wrong one.

[0056] like Figure 1 , 2 As shown in Figure 3, an LED light 10 is fixedly connected to the middle of the mounting block 11 by screws, ensuring that the doctor can clearly see the condition of the affected area inside the oral cavity during operation, which facilitates spraying and applying medicine.

[0057] The working process of this embodiment:

[0058] When not using the toothbrush, the three adjusting levers 7 are retracted to their shortest length and vertically mounted on the handle 1 via the mounting structure 6 for easy storage. When brushing is needed, the adjusting levers 7 of the spray head 2 and the application head 3 are retracted to their shortest length, and the brush head 4 on the mounting structure 6 is pulled out, extending the adjusting lever 7 of the brush head 4 for brushing. When spraying is needed, the adjusting levers 7 of the application head 3 and the brush head 4 are retracted, and the spray head 2 on the mounting structure 6 is pulled out. The dispensing structure 8 is activated to dispense the medicine from the storage structure 9 into the spray nozzle. Spray the medication onto the affected area using the spray head 2, then pull out the medicated head 3 to spread the medication evenly over the affected area. When not applying medication, the medicated head 3 can massage the oral cavity. After the spray head 2, medicated head 3, and brush head 4 are pulled out, the light 10 on the handle 1 can be used independently to ensure that the doctor can clearly see the affected area inside the oral cavity. Simply pull out the adjustment lever 7 to achieve the three functions of spraying, applying medication, and cleaning teeth. It is convenient and quick. The range of application and coverage can be controlled by the adjustment lever 7, making it suitable for different people.

[0059] The above embodiments are only for illustrating the technical concept of this utility model and should not be construed as limiting the scope of protection of this utility model. Any modifications made to the technical solution based on the technical concept proposed by this utility model shall fall within the scope of protection of this utility model.

Claims

1. A multi-functional toothbrush for spray administration, characterized by: The utility model relates to a multifunctional toothbrush, including handle (1), spray medicine head (2), daub medicine head (3), brush tooth head (4), installation structure (6) and three adjusting rods (7), three adjusting rods (7) are installed on handle (1) through installation structure (6), are used for adjusting the height of spray medicine head (2), daub medicine head (3) and brush tooth head (4), the adjusting rod (7) on installation structure (6) can be pulled out, three adjusting rods (7) are connected spray medicine head (2), daub medicine head (3) and brush tooth head (4) respectively, realize spray medicine, daub medicine and brush tooth three functions, the inside of handle (1) is provided with the medicine supply area (5) for spray medicine head (2) supplies medicine, and installation structure (6) center is provided with illuminating lamp (10).

2. The multi-functional toothbrush for spray administration according to claim 1, characterized by: The inside of handle (1) is provided with cylindrical empty slot, and the inside of empty slot is provided with medicine supply area (5), and medicine supply area (5) includes extrusion medicine structure (8) and medicine storage structure (9), and medicine storage structure (9) is arranged above extrusion medicine structure (8), and extrusion medicine structure (8) extrudes medicine storage structure (9) and supplies medicine for spray medicine head (2).

3. The multi-functional toothbrush for spray administration according to claim 2, characterized by: Extrusion medicine structure (8) includes electric push rod (81) and extrusion block (82), one end of electric push rod (81) is fixedly connected in the bottom of the empty slot in handle (1), the other end of electric push rod (81) is fixedly connected extrusion block (82), and electric push rod (81) drives extrusion block (82) to extrude medicine storage structure (9) and supplies medicine for spray medicine head (2), and control button (83) is connected on electric push rod (81), and control button (83) is arranged on handle (1).

4. The multi-functional toothbrush for spray administration according to claim 2, characterized by: Medicine storage structure (9) includes medicine storage bag (91) and medicine delivery pipe (92), medicine storage bag (91) is arranged above extrusion medicine structure (8) in the empty slot in handle (1), and medicine storage bag (91) is connected with medicine adding pipe (93), and medicine storage bag (91) is supplemented with medicine, and medicine storage bag (91) is connected with spray medicine head (2) through medicine delivery pipe (92) and supplies medicine.

5. The multi-functional toothbrush for spray administration according to claim 1, characterized by: Installation structure (6) includes mounting block (11), and mounting block (11) is threadedly connected with handle (1), and three mounting grooves (12) are evenly arranged on mounting block (11).

6. The multi-functional toothbrush for spray administration according to claim 5, characterized by: Installation structure (6) further includes mounting frame (61), limiting buckle (62) and magnetic attraction device (63), mounting frame (61) and limiting buckle (62) are fixedly connected in mounting groove (12) and limit adjusting rod (7), the positive pole of magnetic attraction device (63) is installed at the bottom of adjusting rod (7), and the negative pole of magnetic attraction device (63) is installed in mounting groove (12), and adjusting rod (7) is installed in mounting groove (12) and is adsorbed by the positive pole and the negative pole of magnetic attraction device (63).

7. The multi-functional toothbrush for spray administration according to claim 1, characterized by: Adjusting rod (7) includes upper rod (71) and lower rod (72), adjusting groove (73) is arranged in the side wall of lower rod (72), and upper rod (71) is controllably slid in adjusting groove (73), adjusting port (74) is arranged on the outer side wall of lower rod (72), a plurality of jacks (75) are evenly arranged on the side wall of upper rod (71), limiting structure (76) is inserted between adjusting port (74) and jack (75), and the length of adjusting rod (7) is adjusted by adjusting the corresponding jack (75) of adjusting port (74).

8. The multi-functional toothbrush for spray administration according to claim 7, characterized by: The limiting structure (76) comprises a limiting block (77), a spring (78) and a control block (79), one end of the limiting block (77) is inserted into the adjusting opening (74) and the socket (75), a spring (78) is arranged between the other end of the limiting block (77) close to the socket (75) and the inner wall of the upper rod (71), and the other end of the limiting block (77) is fixedly connected with the control block (79), and the control block (79) adjusts the positional relationship between the limiting block (77) and the socket (75).

9. The multi-functional toothbrush for spray administration according to claim 1, characterized by: A plurality of medicine spraying holes are arranged on the medicine spraying head (2), soft rubber particles are arranged on the medicine applying head (3), the massage function of the oral cavity is realized, and the corresponding adjusting rods (7) of the medicine spraying head (2), the medicine applying head (3) and the tooth brushing head (4) are respectively provided with nameplates.

Citation Information

Patent Citations

  • Novel medical toothbrush

    CN204071027U