TWM469068U - Medicine application device - Google Patents

Description

Drug coating device

The present invention relates to a coating device, and more particularly to a drug coating device for applying a surgical drug.

Accidents in life are often caused by human or environmental factors, causing physical damage or injury, such as: open wounds such as abrasions, cuts, lacerations, punctures, crushes, crushes and bites. These wounds usually require only self-wound care without urgent medical attention, but proper and correct wound management is important to avoid wound infection or complications. However, the following problems are often encountered when performing wound care:

1. Most people do not carry complete wound care products (such as cotton swabs, saline, iodine, gauze, and OK stretch) when they go out. Because these wound care products are complicated and numerous, they are very inconvenient to carry. .

2. Because the correct implementation steps of wound care are numerous and complicated, it is easy to cause confusion among the general public in performing the wound care steps.

Although there are products that have introduced liquid medicine into cotton swabs, it is convenient to reduce the carrying capacity of care products to promote wound care. In addition, even if these products are used, it is still necessary to carry a plurality of cotton swabs with different liquid medicines around them, and it is still inconvenient to carry and the use is also likely to cause confusion in the process of performing the care steps.

Therefore, it is an object of the present invention to provide a drug application device that is small in size, light in weight, and easy to carry around.

Another object of the present invention is to provide a drug application device that integrates the care medications required during wound care.

Another object of the present invention is to provide a drug application device that is simple to use and that achieves the correct wound care procedure.

The novel drug application device thus comprises a plurality of first applicators that are detachably connected to each other. Each of the first applicators includes a housing, a first insertion rod, a first application member, and a medicament. The housing is formed with a chamber for receiving the medicament, the housing including a first end wall and a second end wall spaced below the first end wall. The second end wall is formed with a socket for communicating with the chamber, the first insertion rod is protruded upward from the first end wall, and the first coating member is disposed at the end of the first rod . The first insertion rod of the first applicator positioned below each of the two upper and lower first applicators is detachably inserted into the plug of the first applicator located above The hole is closed in the hole and closed.

The effect of the present invention is that the first applicator of the first applicator, which is located below each of the two upper and lower first applicators, is self-positioned above the first applicator The insertion hole is inserted into the chamber, and the first applicator picks up the medicine to care for the wound, and each first coating The device can be discarded after use, thereby improving the convenience of wound care and being convenient to carry without occupying space.

100‧‧‧drug coating device

1, 1'‧‧‧ first applicator

11‧‧‧Shell

110‧‧ ‧ room

111‧‧‧First end wall

112‧‧‧Second end wall

113‧‧‧ Sockets

114‧‧‧Wall

115‧‧‧Use sequence number

116‧‧‧ inner wall

117‧‧‧ outer wall

118‧‧‧ inner circumference

119‧‧‧Outer guiding slope

Guided slopes in 120‧‧

12‧‧‧First plug

121‧‧‧First body

122‧‧‧First clamping ring

123‧‧‧ slotted

124‧‧‧First arcuate surface

125‧‧‧stop wall

126‧‧‧ gap

130‧‧‧drug coating device

13‧‧‧First applicator

131‧‧‧Stained surface

14‧‧‧ drugs

15, 15'‧‧‧.. waterproof film

151‧‧‧Adhesive Department

152‧‧‧Covering Department

2‧‧‧Second applicator

21‧‧‧ body

211‧‧‧ top wall

212‧‧‧Use sequence number

22‧‧‧Second plug

221‧‧‧Second body

222‧‧‧Second clamping ring

223‧‧‧ slotted

224‧‧‧Second arcuate surface

23‧‧‧Second applicator

231‧‧‧Stained surface

3‧‧‧ cap

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is an exploded perspective view showing a first preferred embodiment of the present invention; FIG. FIG. 3 is a partial cross-sectional view of the first preferred embodiment; FIG. 4 is a partial cross-sectional view of the first preferred embodiment. Figure 5 is a partial cross-sectional view of the first preferred embodiment; Figure 6 is a partial cross-sectional view of the first preferred embodiment; Figure 7 is a partial cross-sectional view of the first embodiment 8 is a side view for assistance in explaining the first preferred embodiment; FIG. 9 is a side view for assistance in explaining the first preferred embodiment; FIG. 10 is a partial cross-sectional view, which is a supplementary 1 is a side view for assistance in explaining the first preferred embodiment; FIG. 12 is a side view for assistance in explaining the first preferred embodiment; FIG. 13 is a partial cross-sectional view, assisting The first preferred embodiment is illustrated; Figure 14 is a side view of the auxiliary The first preferred embodiment is illustrated; and Figure 15 is a side elevational view of a second preferred embodiment of the novel drug application device.

Before the present invention is described in detail, it should be noted in the following In the description, similar elements are denoted by the same reference numerals.

Referring to Figure 1, there is shown a first preferred embodiment of the present invention. The drug application device 100 comprises a plurality of first applicators 1 and a second applicator detachably connected to each other. 2, and a cap 3. In the preferred embodiment, the number of the first applicators 1 is exemplified by three. Of course, the number of the first applicators 1 may alternatively be designed as one, two or three. the above.

Referring to FIGS. 2 and 3, each first applicator 1 includes a housing 11, a first insertion rod 12, a first applicator member 13, and a medicament 14. The housing 11 is formed with a chamber 110 for receiving the medicine 14. The housing 11 includes a first end wall 111 and a second end wall 112 spaced below the first end wall 111. The two end walls 112 are formed with a plug hole 113 communicating with the chamber 110. The first plug rod 12 protrudes upward from the first end wall 111. The first applicator member 13 is disposed at the end of the first insertion rod 12. The first applicator member 13 of the embodiment is described by taking a cotton as an example. The first insertion bar 12 of the first applicator 1 positioned below each of the two upper and lower first applicators 1 is detachably inserted into the first applicator 1 positioned above The insertion hole 113 is closed in the insertion hole 113, so that the first applicator 13 of the first applicator 1 located below can be penetrated to the first applicator 1 located above. The chamber 110 is adapted to pick up the drug 14 in the chamber 110.

The second applicator 2 is detachably connected to the first applicator 1 at the bottom end of the first applicator 1 , and the second applicator 2 includes a body 21 and a convex portion. a second insertion rod 22 disposed on the body 21, and A second applicator member 23 is disposed at the end of the second insertion rod 22. The body 21 includes a top wall 211. The second insertion rod 22 protrudes upward from the top wall 211. The second insertion rod 22 is detachably inserted into the first applicator at the bottom end. The insertion hole 113 of the 1 is closed and the insertion hole 113 is closed, so that the second coating member 23 of the second applicator 2 can be penetrated to the bottom of the first applicator 1 The chamber 110 is adapted to pick up the drug 14 in the chamber 110.

The cap 3 is detachably sleeved on the first insertion rod 12 of the first applicator 1 at the top end to cover the first coating of the topmost first applicator 1 Dressing 13.

In the preferred embodiment, the drug 14 contained in the chamber 110 of the first applicator 1 is sequentially a physiological saline solution, a disinfectant solution, and an antibacterial ointment. The disinfectant solution is exemplified by excellent iodine. Of course, the disinfectant can also be hydrogen peroxide. Since the drug application device 100 integrates the care medication required in the wound care process, when the user wants to go out, it is only necessary to carry the drug application device 100 without additionally carrying other wound care products. It can greatly reduce the number of carrying care products to improve the convenience of carrying. In addition, since the drug application device 100 is designed in a pen type, the volume and weight are greatly reduced, and therefore, it is convenient for the user to carry it around when going out.

The housing 11 of each of the first applicators 1 further includes a peripheral wall 114 connected between the first end wall 111 and the second end wall 112, the peripheral wall 114 of each of the first applicators 1 and The body 21 of the second applicator 2 is respectively marked with a use sequence number 115, 212, and the first applicator 1 The use sequence number 115 indicated by the peripheral wall 114 is sequentially ranked 1, 2, 3 from top to bottom, and the use sequence number 212 indicated by the body 21 of the second applicator 2 is 4. The medicine 14 accommodated in the chamber 110 of the first applicator 1 is sequentially a physiological saline solution, a disinfectant solution, and an antibacterial ointment, and is matched with each of the first applicators. The peripheral wall 114 of the first coating device 114 and the body 21 of the second applicator 2 are respectively marked with a use order number 115, 212, and the user sees the appearance of each of the first applicator 1 and the second applicator 2. The order of use of the first applicator 1 and the second applicator 2 and the disassembly sequence can be clearly understood by the indicated use sequence numbers 115, 212, thereby enabling the user to follow the correct wound. The drug application device 100 is used in a care process.

In order to prevent the drug 14 contained in the first applicator 1 from leaking through the insertion hole 113 and preventing the drug 14 from drying up, in the preferred embodiment, each of the first applicators 1 is further A waterproof film 15 is attached to the second end wall 112 and encloses the insertion hole 113. The second end wall 112 includes an inner wall surface 116 and an outer wall surface 117. The waterproof film 15 is adhered to the inner wall surface 116 through the adhesive and located in the chamber 110. The waterproof film 15 of the first applicator 1 positioned above each of the two upper and lower first applicators 1 covers the first coating of the first applicator 1 located below a piece 13 and the first insertion rod 12, and the waterproof film 15 of the first applicator 1 at the bottom end covers the second applicator 23 of the second applicator 2 and the The second insertion rod 22 can prevent the medicine 14 accommodated in each of the first applicators 1 from leaking through the insertion hole 113, and can prevent the medicine 14 from drying out due to being unused for a long time. Furthermore, by the waterproof film 15 The drug 14 corresponding to the first coating member 13 and the waterproof film 15 at the bottom end block the corresponding drug 14 and the second coating member 23, thereby preventing each of the drugs A coating member 13 and the second coating member 23 are immersed in the corresponding drug 14 for a long period of time to cause deterioration.

The first applicator member 13 of the first applicator 1 positioned below each of the two upper and lower first applicators 1 can penetrate the waterproof film of the first applicator 1 positioned above 15, in order to take the corresponding drug 14 , the first insertion rod 12 of the first applicator 1 is detached from the corresponding insertion hole 113 to move the first coating member 13 away from the corresponding chamber After 110, the first applicator member 13 can apply the dipped drug 14 to the user's wound. The second applicator 23 of the second applicator 2 can pierce the waterproof film 15 of the first applicator 1 at the bottom end to pick up the corresponding drug 14. The second applicator After the second insertion rod 22 of the second detaching rod 22 is detached from the corresponding insertion hole 113 to move the second coating member 23 away from the corresponding chamber 110, the second coating member 23 can pick up the The drug 14 is applied to the wound of the user.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , in particular, the first insertion rod 12 of each first applicator 1 includes a first end wall 111 protruding from the first end wall 111 and the first coating member 13 . The first rod body 121 is connected to the corresponding insertion hole 113, and the first clamping ring portion 122 is respectively protruded radially outward from the first rod body 121 and spaced apart from each other. The first applicator member 13 is engaged in a recessed groove 123 defined by the first rod body 121. The outer diameter of each of the first clamping ring portions 122 is larger than the corresponding aperture of the insertion hole 113. The two first clamping ring portions 122 of the first applicator 1 positioned below each of the two upper and lower first applicators 1 are respectively clamped to the first position located above The second end wall 112 of the applicator 1 is configured such that the first insertion rod 12 can be stably positioned at a position of the corresponding insertion hole 113 to prevent the first insertion rod 12 from being removed. It is easily separated from the insertion hole 113 by the external force.

The second insertion rod 22 of the second applicator 2 includes a second portion extending from the top wall 211 and connected to the second coating member 23 for being inserted through the corresponding insertion hole 113. a second clamping ring portion 222 that is radially outwardly protruded from the second rod body 221 and spaced apart from each other, and the second coating member 23 is engaged with the second rod body 221 The outer diameter of each of the second clamping ring portions 222 is larger than the corresponding aperture of the insertion hole 113. The two second clamping ring portions 222 of the second applicator 2 are respectively clamped at the second end wall 112 of the first applicator 1 at the bottom end, thereby making the second plugging The rod 22 can be stably positioned at a position that is inserted into the corresponding insertion hole 113 to prevent the second insertion rod 22 from being easily detached from the insertion hole 113 by an external force.

Referring to FIG. 3 and FIG. 4, the second end wall 112 of each of the first applicators 1 further includes an inner peripheral surface 118 defining the insertion hole 113, and the inner circumferential surface 118 has an outer wall surface 117. The connected outer guiding slope portion 119 and an inner guiding slope portion 120 connected to the inner wall surface 116. Each of the first clamping ring portions 122 has a first circular arc-shaped surface 124. The first circular arc-shaped surface 124 of the two first clamping ring portions 122 respectively abut the corresponding outer end wall 112. The guiding inclined surface portion 119 and the inner guiding inclined surface portion 120 are respectively separated from the outer guiding inclined surface portion 119 and the inner guiding inclined surface portion 119 by the first circular arc-shaped surface 124 of the two first clamping ring portions 122 Cooperating so that each of the first clamping ring portions 122 can smoothly penetrate through the insertion hole 113 to the The chamber 110 is moved away from the chamber 110.

Referring to FIG. 3 and FIG. 5, each of the second clamping ring portions 222 has a second arcuate surface 224, and the second arcuate surfaces 224 of the second clamping ring portions 222 respectively abut the corresponding first portion. The outer guiding slope portion 119 of the two end walls 112 and the inner guiding slope portion 120 are respectively separated from the outer guiding slope portion 119 by the second arcuate surface 224 of the two second clamping ring portions 222 and The inner guiding bevel portions 120 cooperate such that each of the second clamping ring portions 222 can smoothly pass through the insertion holes 113 into the chamber 110 or be removed from the chamber 110.

Referring to FIG. 2 and FIG. 3, the housing 11 of each of the first applicators 1 further includes a blocking wall 125 projecting downward from the second end wall 112, and two first adjacent to the cap 3. The blocking wall 125 of the applicator 1 is for blocking the corresponding first end wall 111 of the first applicator 1 , and the blocking wall 125 of the first applicator 1 located at the bottom end Then, the top wall 211 of the second applicator 2 is blocked. Between the first end wall 111 of the first applicator 1 located below the upper and lower first applicator 1 and the stop wall 125 of the first applicator 1 located above A gap 126 is formed, thereby allowing the two upper and lower first applicators 1 to be adjacent to each other, so that the first applicator 13 of the first applicator 1 positioned below can be pierced above The waterproof film 15 of the first applicator 1 picks up the corresponding drug 14. A gap 126 is formed between the top wall 211 of the second applicator 2 and the stop wall 125 of the first applicator 1 at the bottom end, thereby allowing the first end to be located at the bottom end. An applicator 1 and the second applicator 2 are adjacent to each other, so that the second applicator 23 of the second applicator 2 can be pierced The waterproof film 15 of the first applicator 1 is used to pick up the corresponding drug 14.

Referring to Figures 2, 6, 7, and 8, when the drug application device 100 is used for wound care, a downward force is applied to the cap 3 in the direction of the arrow I and simultaneously applied upward in the direction of the arrow II. a force on the body 21 of the second applicator 2 such that each of the two upper and lower first applicators 1 are adjacent to each other, and the first applicator 1 and the second applicator at the bottom end 2 close to each other.

In the first applicator 1 connected to each of the upper and lower sides, the first arc of the first clamping ring portion 122 below the first insertion rod 12 of the first applicator 1 is located below The shaped surface 124 abuts against the corresponding outer guiding slope portion 119 of the second end wall 112, and an upward component force applied by the first circular arc surface 124 to the outer guiding inclined surface portion 119 causes the second portion The end wall 112 is bent and deformed upward, so that the lower first clamping ring portion 122 can smoothly pass through the insertion hole 113 and penetrate into the chamber 110. The waterproof film 15 has an adhesive portion 151 adhered to the inner wall surface 116 of the second end wall 112, and a portion that is connected to the adhesive portion 151 and covers the first coating member 13 and the portion. The covering portion 152 of the first insertion rod 12, therefore, the first coating member 13 pushes the covering portion 152 outward during the passage of the first clamping ring portion 122 through the insertion hole 113. When the first end wall 111 of the first applicator 1 abuts against the upper stop wall 125 of the first applicator 1 , the two first applicators 1 can no longer continue to approach. The first clamping ring portion 122 passes through the insertion hole 113 and abuts the inner guiding inclined surface portion 120 of the second end wall 112, and the covering portion 152 is An applicator member 13 is broken so that the first applicator member 13 can pick up the drug 14 in the chamber 110.

At the same time, the second circular arc-shaped surface 224 of the second clamping ring portion 222 below the second insertion rod 22 of the second applicator 2 is in contact with the corresponding second end wall 112. The guiding slope portion 119, an upward component force applied to the outer guiding slope portion 119 by the second arcuate surface 224 causes the second end wall 112 to be bent upwardly, so that the second clamping portion is lower The ring portion 222 can smoothly pass through the insertion hole 113 and penetrate into the chamber 110. During the passage of the second clamping ring portion 222 through the insertion hole 113, the second coating member 23 gradually pushes the covering portion 152 outward. When the top wall 211 of the second applicator 2 abuts the upper stop wall 125 of the first applicator 1, the second applicator 2 and the first applicator 1 can no longer The second clamping ring portion 222 passes through the insertion hole 113 and abuts the inner guiding inclined surface portion 120 of the second end wall 112, and the covering portion 152 is coated by the second coating. The piece 23 is broken so that the second applicator member 23 can pick up the drug 14 in the chamber 110.

Referring to Figures 8 and 9, the cap 3 is detached from the first applicator 1 indicating the use sequence number 115 is 1, since the first applicator 13 of the first applicator 1 is dry cotton. Therefore, the user can wipe the blood of the wound on the coated surface 131 of the first applicator 13 of the first applicator 1 to perform an initial hemostasis operation, and can pass through the first applicator 13 Remove foreign matter from the wound. Since the application surface 131 of each of the first applicator members 13 is planar, the contact area between the first applicator member 13 and the wound can be increased.

Referring to Figures 9, 10 and 11, then, the first applicator 1 indicating the use sequence number 115 is 1 is pulled up in the direction of the arrow II, since the first use of the sequence number 115 is 2 The first arcuate surface 124 of the first clamping ring portion 122 below the first insertion rod 12 of the applicator 1 abuts against the inner guiding bevel portion 120 of the corresponding second end wall 112 by A downward force component of the first arcuate surface 124 applied to the inner guiding slope portion 120 causes the second end wall 112 to be bent downwardly, so that the lower first clamping ring portion 122 can be smoothly performed first. Passing through the insertion hole 113 and moving away from the chamber 110, then the upper first clamping ring portion 122 also passes through the insertion hole 113 and moves away from the chamber 110 in the foregoing manner. The first applicator 1 using the sequence number 115 of 1 can be detached from the other first applicator 1 indicating that the use sequence number 115 is 2. Since the first applicator member 13 of the first applicator 1 indicating the use sequence number 115 is 2 is contaminated with the drug 14 of physiological saline, the user can apply the application face 131 of the first applicator member 13. Apply to the wound to perform the cleaning action of the wound.

Referring to Fig. 11 and Fig. 12, the first applicator 1 indicating the use order number 115 is 2 is pulled up in the direction of the arrow II to detach it from the other first indicating that the use order number 115 is 3. Applicator 1. Since the first applicator member 13 of the first applicator 1 indicating the use order number 115 is 3 is contaminated with the drug 14 for disinfecting the syrup, the user can apply the coated surface 131 of the first applicator member 13. Apply to the wound to perform the disinfection of the wound.

Referring to FIG. 12, FIG. 13, and FIG. 14, finally, the first applicator 1 indicating the use sequence number 115 is 3 is pulled up in the direction of the arrow II. The second arcuate surface 224 of the second clamping ring portion 222 below the second insertion rod 22 of the second applicator 2 abuts against the inner guiding bevel of the corresponding second end wall 112 The portion 120, the downward force applied by the second arcuate surface 224 to the inner guiding slope portion 120 causes the second end wall 112 to be bent and deformed downward, so that the lower second clamping ring portion 222 The first insertion ring portion 222 can pass through the insertion hole 113 and move away from the chamber 110 in the foregoing manner. At this time, the first applicator 1 using the sequence number 115 of 3 can be detached from the second applicator 2. Since the second applicator 23 of the second applicator 2 is stained with the drug 14 of the antibacterial cream, the user can apply a coating surface 231 of the second applicator 23 to the wound. That is, the wound care process is completed.

Referring to FIG. 15, a second preferred embodiment of the present invention is substantially the same as the first preferred embodiment. The difference is that the present embodiment is the same. The number of the first applicators 1, 1' is four, wherein the first applicator 1' is located at the bottom end, and the medicine contained in the chamber 110 of the first applicator 1' 14 is a dressing such as an OK stretch. The user can pierce the waterproof film 15' through the first insertion rod 12 of the other first applicator 1 or a pointed object to take the dressing through the insertion hole 113. After the user applies the antibacterial ointment to the wound by using the first applicator 1 having the sequence number 115 of 3, the dressing can cover the wound to prevent the wound from being infected and promote the healing of the wound.

In summary, the drug application devices 100 and 130 of the respective embodiments are designed into a pen type by the drug application devices 100 and 130, and the volume is greatly reduced. And weight, therefore, it is convenient for users to carry around when they go out. In addition, the drug application devices 100, 130 integrate the care medications required during the wound care process, so that when the user is going out, the drug application devices 100, 130 need only be carried without additional wound care. By means of this, the number of carrying care products can be greatly reduced to improve the convenience of carrying. Furthermore, the medicine 14 is accommodated in the chamber 110 of the first applicator 1, 1 ', and the first applicator 1, 1' and the second applicator 2 are matched. The use order numbers 115 and 212 are indicated, and the user can clearly know each by viewing the use sequence numbers 115 and 212 indicated by the first applicator 1, 1' and the second applicator 2. The order of use of the first applicator 1, 1 ' and the second applicator 2 and the disassembly sequence, thereby enabling the user to use the drug application device 100, 130 in accordance with the correct wound care procedure It is very simple and convenient to use, so it can achieve the purpose of this new type.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

1‧‧‧First applicator

11‧‧‧Shell

110‧‧ ‧ room

111‧‧‧First end wall

112‧‧‧Second end wall

113‧‧‧ Sockets

114‧‧‧Wall

116‧‧‧ inner wall

117‧‧‧ outer wall

12‧‧‧First plug

121‧‧‧First body

122‧‧‧First clamping ring

123‧‧‧ slotted

125‧‧‧stop wall

126‧‧‧ gap

13‧‧‧First applicator

14‧‧‧ drugs

15‧‧‧Waterproof film

2‧‧‧Second applicator

21‧‧‧ body

211‧‧‧ top wall

22‧‧‧Second plug

221‧‧‧Second body

222‧‧‧Second clamping ring

223‧‧‧ slotted

23‧‧‧Second applicator

Claims (14)

A drug application device comprising: a plurality of first applicators detachably connected to each other, each of the first applicators comprising a casing, a first insertion rod, a first coating member, and a drug, the housing is formed with a chamber for accommodating the drug, the housing includes a first end wall, and a second end wall spaced below the first end wall, the second end wall forming An insertion hole communicating with the chamber, the first insertion rod protrudes upward from the first end wall, and the first coating member is disposed at the end of the first insertion rod, each of the two upper and lower phases The first insertion rod of the first applicator positioned below the first applicator of the first applicator is detachably inserted into the insertion hole of the first applicator located above and closes the Insert hole. The drug application device of claim 1, wherein the number of the first applicators is three, and the drugs of the first applicators are sequentially sterilized from top to bottom as a physiological saline solution. Potion, and an antibacterial ointment. The drug application device of claim 1, wherein the number of the first applicators is four, and the drugs of the first applicators are sequentially sterilized from top to bottom as a physiological saline solution. A syrup, an antibacterial ointment, and a dressing. The drug application device of claim 2 or 3, wherein the housing of each of the first applicators further comprises a peripheral wall connected between the first end wall and the second end wall, each of the The peripheral wall of the first applicator is labeled with a usage sequence number. The drug application device of claim 1, wherein each of the first applicators further comprises a waterproofing layer attached to the second end wall and closing the insertion hole a film, the waterproof film of the first applicator positioned above each of the two upper and lower first applicators is coated with the first applicator of the first applicator positioned below The first insertion rod, and the first coating member of the first applicator located below can pierce the waterproof film of the first applicator located above to pick up the corresponding drug. The drug application device of claim 5, wherein the second end wall of each of the first applicators comprises an inner wall surface and an outer wall surface, and an inner circumferential surface defining the insertion hole, The inner peripheral mask has an outer guiding inclined surface connected to the outer wall surface, and an inner guiding inclined surface connected to the inner wall surface, the waterproof film is attached to the inner wall surface, and the first applicator The first insertion rod includes a first rod protruding from the first end wall and connected to the first coating member for being inserted through the corresponding insertion hole, and two of the first rods respectively a first clamping ring portion projecting radially outwardly and spaced apart from each other, the first first clamping of the first applicator located below each of the two upper and lower first applicators Holding the ring portions respectively on the second end wall of the first applicator located above, each of the first clamping ring portions having a first arcuate surface, the two first clamping ring portions The first arcuate surface respectively abuts the outer guiding slope portion of the corresponding second end wall and the inner guiding slope portion. The drug application device of claim 6, wherein the housing of each of the first applicators further comprises a stop wall projecting downward from the second end wall, the stop wall being configured to block The first end wall of the corresponding first applicator, the first end wall of the first applicator located below each of the two upper and lower first applicators, and the first end of the first applicator Applicator A gap is formed between the stop walls. The drug application device of claim 7, further comprising a second applicator detachably coupled to the first one of the first applicators at the bottom end of the first An applicator, the second applicator comprising a body, a second insertion rod protruding from the body, and a second coating member disposed at the end of the second insertion rod, the body comprising a top a second insertion rod protruding upwardly from the top wall, the second insertion rod being detachably inserted into the insertion hole of the first applicator located at the bottom end and closing the insertion hole Hole. The drug application device of claim 8, wherein the number of the first applicators is three, and the drugs of the first applicators are sequentially sterilized from top to bottom as a physiological saline solution. Potion, and an antibacterial ointment. The drug application device of claim 9, wherein the housing of each of the first applicators further comprises a peripheral wall connected between the first end wall and the second end wall, each of the first The peripheral wall of the applicator and the body of the second applicator are each labeled with a usage sequence number. The drug application device of claim 10, wherein the waterproof film of the first applicator at the bottom end covers the second applicator and the second plug of the second applicator a post, and the second applicator of the second applicator can pierce the waterproof film of the first applicator at the bottom end to pick up the corresponding drug. The drug application device of claim 11, wherein the second insertion rod of the second applicator comprises a protrusion protruding from the top wall and connected to the second coating member for threading Corresponding to the second rod of the insertion hole, and Two second clamping ring portions respectively protruding radially outward from the second rod body and spaced apart from each other, and the two second clamping ring portions of the second applicator are respectively clamped at the bottom The second end wall of the first applicator of the end, each of the second clamping ring portions has a second arcuate surface, and the second arcuate surfaces of the second clamping ring portions respectively abut Corresponding the outer guiding slope portion of the second end wall and the inner guiding slope portion. The drug application device of claim 12, wherein the blocking wall of the first applicator located at the bottom end serves to block the top wall of the second applicator, the top wall and the position A gap is formed between the stop walls of the bottommost first applicator. The drug application device according to claim 8, wherein each of the first applicator member and the second applicator member has a flat application surface.