CN213219766U - Medicine pot surplus medicine juice suction means - Google Patents

Abstract

The utility model belongs to the technical field of medical instrument, concretely relates to unnecessary medicine juice suction means of medicinal cupping. The utility model provides a medicine tank surplus medicine juice suction means, produce the mechanism including suction means and negative pressure. The suction mechanism comprises an accommodating groove for the medicine pot opening to stretch into and a liquid collecting pipe corresponding to the accommodating groove, a through hole area and a fitting area surrounding the through hole area and in airtight fit with the end face of the medicine pot opening are arranged at the bottom of the accommodating groove, one end of the liquid collecting pipe is in airtight communication with the through hole area, and the negative pressure generating mechanism is communicated with the other end of the liquid collecting pipe. The negative pressure generated by the negative pressure generating mechanism absorbs the residual redundant medicine juice on the wall surface of the inner cavity of the medicine tank, so that the redundant medicine juice flows into the liquid collecting pipe, the whole medicine tank can still keep a wet state, the absorption process is simple, quick and efficient, and the defect that water absorption materials are used for absorption or manual drying is overcome.

Description

Medicine pot surplus medicine juice suction means

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to unnecessary medicine juice suction means of medicinal cupping.

Background

The therapy of the medicine pot is ancient called ' horn method ', the horn method recorded in ' fifty two diseases ' prescription is the rudiment of the medicine pot- ' the angle is small, such as two cooked fights of rice hectare, and the horn is opened. Based on the theory of traditional Chinese medicine, the medicinal cupping therapy is to suck and pull the wooden or bamboo pot soaked and boiled by traditional Chinese medicines on the corresponding acupuncture point, thus not only playing the role of warm stimulation and mechanical stimulation during cupping, but also playing the pharmacological role of the traditional Chinese medicines, thereby realizing the treatment effects of promoting qi and blood circulation, clearing and activating the channels and collaterals and relaxing tendons and tendons, and having good curative effect and quick response for treating rheumatoid arthritis, cervical spondylosis, lumbar vertebra diseases, gastrointestinal diseases, fatigue, obesity, joint diseases, lumbar strain, soft tissue injury, intractable pain and the like.

The operation flow of the medicinal pot therapy is as follows: (1) boiling pot, placing the prepared medicine in a gauze bag, soaking in a pot for 0.5 hr, decocting for about 1 hr, and then putting the bamboo pot with required size into the medicinal liquid for soaking and boiling for 20 min; (2) preparing a patient, selecting a proper body position by the patient, and exposing the skin of the operation part; (3) cupping, taking out the medicinal pot with long forceps, quickly removing the excessive medicinal liquid hung on the wall surface of the medicinal pot, placing the pot opening downwards on a towel, covering the pot opening, pressing on the corresponding treatment part after the temperature is appropriate, and adsorbing the medicinal liquid on the operation part of the patient by heat; (4) moving the pot, and pushing the mouth of the pot to and fro closely to the skin of the patient until the skin of the pulled part is ruddy and congested; (5) reserving the tank, covering a towel on the tank, and reserving for 5-10 minutes; (6) the pot is lifted, the skin around the pot is pressed by one hand to allow air to enter, and the medicine pot is taken down.

When cupping, the steam that constantly volatilizees under the warm environment of the medicinal juice that utilizes to soak and boil in the medicinal cupping can satisfy the treatment to the portion of executing the operation, and during actual operation, when fishing out the medicinal cupping from the medicinal juice after, can remain too much medicinal juice on the medicinal cupping wall, very easy drippage to patient on one's body, on the sick bed wait department, consequently, need medical personnel in time to suck unnecessary medicinal juice or spin-dry after fishing out the medicinal cupping from the medicinal juice at every turn. If the water absorbing material (such as water absorbing paper, water absorbing towel, water absorbing sponge, etc.) is used for absorbing the redundant medicine juice, the medicine juice is difficult to extend into the medicine tank for absorption, the medicine juice absorbed by the water absorbing material is difficult to recycle, and the possibility that the medicine tank is polluted by the water absorbing material exists; if the manual spin-drying mode of medical staff is adopted, the medical staff is easily scalded, the workload of the medical staff is increased, and the medicine juice is easily splashed everywhere to pollute the environment.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the medicine tank and cleaing away the loaded down with trivial details clumsy defect of the loaded down with trivial details clumsy mode of its remaining unnecessary medicine juice after boiling to a high-efficient quick medicine tank unnecessary medicine juice suction means is provided.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a surplus medicine juice suction means of medicinal cupping, include:

the absorption mechanism comprises an accommodating groove for the medicine pot opening to extend into and a liquid collecting pipe corresponding to the accommodating groove, the bottom of the accommodating groove is provided with a through hole area and a joint area which surrounds the through hole area and is in close fit with the end face of the medicine pot opening, and one end of the liquid collecting pipe is in close communication with the through hole area;

and the negative pressure generating mechanism is communicated with the other end of the liquid collecting pipe and is used for sucking the residual redundant medicine juice on the wall surface of the inner cavity of the medicine tank through the generated negative pressure.

Preferably, the device for sucking the redundant medical juice in the medicine pot with the structure is characterized in that a porous cylinder which can extend into the inner cavity of the medicine pot is arranged on the through hole area.

Preferably, the device for sucking the redundant medical juice from the medicine tank with the structure comprises a porous cylinder and a plurality of holes, wherein the porous cylinder comprises a side wall surface and an upper bottom surface, the holes on the side wall surface and the upper bottom surface are arranged in an annular array, and at least one hole on the side wall surface is aligned with the attaching area.

Preferably, in the medicine pot surplus medicine juice suction device with the structure, the open area of the side wall surface accounts for 28-38% of the outer surface area of the side wall surface, and the open area of the upper bottom surface accounts for 40-45% of the outer surface area of the upper bottom surface.

Further preferably, according to the device for sucking the redundant medical juice in the pot with the structure, the outer diameter of the porous cylinder is 2-4 cm, and the annular width of the attaching area is 0.5-2 cm.

Preferably, the liquid collecting pipe of the device for sucking the redundant liquid medicine in the medicine tank with the structure comprises a reducing section and a constant-diameter section, wherein the reducing section comprises a flaring end communicated with the through hole area in a sealing mode and a necking end used for being connected with one end of the constant-diameter section.

Further preferably, the device for sucking the redundant medical juice in the tank with the structure is characterized in that the diameter-variable section is made of transparent materials.

Further preferably, the device for sucking the redundant medicine juice in the can with the structure is characterized in that the sucking mechanism comprises a plurality of groups of the accommodating grooves and the liquid collecting pipes, the liquid collecting pipes correspond to the accommodating grooves one to one, and each constant-diameter section is provided with a valve.

Preferably, the device for sucking the residual medicine juice in the can with the structure further comprises a liquid storage mechanism arranged between the sucking mechanism and the negative pressure generating mechanism.

Further preferably, the device for sucking the redundant medical juice in the can with the structure comprises a liquid storage barrel and a cover body detachably connected with the liquid storage barrel in a sealing manner, wherein the cover body is provided with a liquid inlet communicated with the constant-diameter section and a gas outlet communicated with the negative pressure generating mechanism.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a medicine tank surplus medicine juice suction means, produce the mechanism including suction means and negative pressure. The absorption mechanism comprises an accommodating groove for the medicine pot opening to extend into and a liquid collecting pipe corresponding to the accommodating groove, a through hole area and a joint area surrounding the through hole area and in close fit with the end face of the medicine pot opening are arranged at the bottom of the accommodating groove, and one end of the liquid collecting pipe is in close communication with the through hole area; the negative pressure generating mechanism is communicated with the other end of the liquid collecting pipe, and the generated negative pressure is used for sucking the residual redundant medicine juice on the wall surface of the inner cavity of the medicine tank.

According to the medicine can surplus medicine juice suction device with the structure, the bottom of the accommodating groove is provided with a through hole area and a joint area surrounding the through hole area, and the joint area is in close fit with the end face of the medicine can; one end of the liquid collecting pipe is communicated with the through hole area in a sealing mode, the other end of the liquid collecting pipe is communicated with the negative pressure generating mechanism, the soaked medicine pot is placed in the accommodating groove in an inverted mode, so that the end face of the opening of the medicine pot is matched with the attaching area in a sealing mode, the inner cavity of the medicine pot and the liquid collecting pipe form a sealing system, redundant medicine juice on the wall surface of the inner cavity of the medicine pot is sucked through negative pressure generated by the negative pressure generating mechanism, the operation is simple, rapid and efficient, and the defect that water absorbing materials are used for sucking.

2. The utility model provides an unnecessary medicine juice suction means of medicinal cupping sets up a porous section of thick bamboo on the through-hole region, can stretch into the medicinal cupping inner chamber, has strengthened the absorption to remaining the unnecessary medicine juice of medicinal cupping inner chamber depths, and the effect is showing.

3. The utility model provides an unnecessary medicine juice suction means of medicinal cupping, the trompil area of porous section of thick bamboo side wall face accounts for 28 ~ 38% of lateral surface external surface, and the trompil area of bottom surface accounts for 40 ~ 45% of bottom surface external surface on the porous section of thick bamboo, and the hole proportion of each wall of the porous section of thick bamboo of reasonable control prevents to take out because of the too big dynamics of drawing the medicine juice to medicinal cupping inner chamber wall, and the hole proportion of bottom surface is gone up in the improvement simultaneously, is favorable to absorbing the unnecessary medicine juice of medicinal cupping inner chamber depths.

4. The utility model provides an unnecessary medicinal juice suction means of medicinal cupping, transparent material is chooseed for use to the reducing section, and the medical personnel of being convenient for still continue to absorb in order to judge the absorption degree to unnecessary medicinal juice on the medicinal cupping inner chamber wall through observing the medicinal juice circumstances of dripping to the definite absorption that stops.

5. The utility model provides a surplus medicine juice suction means of medicinal cupping, suction means include a plurality of groups holding tank and collecting tank, and collecting tank and holding tank one-to-one are provided with a valve on every constant diameter section. The quick suction means of the unnecessary liquid medicine of medicinal cupping of this structure can supply the unnecessary liquid medicine of a plurality of medicinal cupping to absorb, controls the break-make of each medicinal cupping inner chamber negative pressure respectively through the valve, mutually noninterfere each other has improved work efficiency.

6. The utility model provides an unnecessary medicinal juice suction means of medicinal cupping sets up stock solution mechanism between suction means and negative pressure production mechanism, can concentrate the collection of unnecessary medicinal juice, recycle.

7. The utility model provides a surplus medicine juice suction means of medicinal cupping, simple structure, convenient washing avoids polluting medicinal cupping and medicine juice.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a device for sucking excess medicine juice from a medicine tank provided in embodiment 1 of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of an absorption mechanism provided in embodiment 1 of the present invention;

fig. 3 is a top view of a substrate (without a porous cylinder) provided in embodiment 1 of the present invention;

fig. 4 is a structural view of the arrangement of the perforated cylinder provided in embodiment 1 of the present invention;

FIG. 5 is a schematic view of the structure of a liquid collecting tube provided in embodiment 1 of the present invention;

description of reference numerals:

1-a suction mechanism; 11-a substrate; 111-a backplane; 112-a coaming; 12-a suction assembly; 121-accommodating grooves; 1211-through hole region; 1212-a fitting area; 122-a porous cartridge; 1221-side wall face; 1222-an upper bottom surface; 123-a liquid collecting pipe; 1231-a reducer section; 12311-flared end; 12312-throat end; 1232-constant diameter section; 12321-valve;

2-a liquid storage mechanism; 21-a liquid storage cylinder; 22-a cover body; 221-liquid inlet; 222-an air outlet;

3-negative pressure generating mechanism.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The embodiment provides a device for sucking the redundant medicine juice from a medicine tank, which comprises a sucking mechanism 1, a liquid storage mechanism 2 and a negative pressure generating mechanism 3, as shown in fig. 1.

As shown in fig. 1, 2 and 3, the suction mechanism 1 includes a substrate 11 and a suction assembly 12. The base plate 11 comprises a circular bottom plate 111 and a ring of enclosing plate 112 formed at the edge of the bottom plate 111, wherein the enclosing plate 112 protrudes 3cm from the upper surface of the bottom plate 111 for preventing the medicine juice from scattering to pollute the environment. The suction mechanism 1 is made of waterproof material which is easy to clean, such as polytetrafluoroethylene material.

As shown in fig. 2 and 3, the sucking assembly 12 includes a receiving groove 121, a porous cylinder 122, and a collecting pipe 123. A plurality of circular accommodating grooves 121 are formed in the upper surface of the bottom plate 111, and the depth of each accommodating groove 121 is smaller than the thickness of the bottom plate 111. In this embodiment, the depth of the accommodating groove 121 is 1cm, the caliber is 6cm, and a common medicine tank (the outer diameter of the tank opening is 3-5 cm) is inverted and can be placed into the accommodating groove 111.

The bottom of the accommodating groove 121 is provided with a through hole 1211 and a fitting region 1212. The through hole 1211 is a through hole formed at the bottom of the accommodating groove 121 and communicating the bottom of the accommodating groove 121 and the lower surface of the bottom plate 111, and has a diameter of 2 cm; the annular plane between the through hole 1211 and the sidewall of the receiving groove 121 serves as a fitting region 1212, the fitting region 1212 is disposed around the through hole 1211 and can be in close fit with the end face of the inverted canister, and the annular width of the fitting region 1212 is 2 cm.

As shown in fig. 4, the porous cylinder 122 is a circular cylinder with an open bottom, and includes a side wall surface 1221 and an upper bottom surface 1222, the open bottom is disposed on the through hole 1211, the height is 8cm, the outer diameter is 2.5cm, and the height is smaller than the depth (about 10cm) and the inner diameter (about 3-5 cm) of the inner cavity of the medicine container, respectively, and when the medicine container is placed in the accommodating groove 121 upside down, the porous cylinder 122 extends into the inner cavity of the medicine container. A plurality of holes are arranged on the side wall surface 1221 and the upper bottom surface 1222 in an annular array, wherein the open area of the side wall surface 1221 accounts for 32% of the outer surface area of the side wall surface 1221, and the holes at the bottom layer on the side wall surface 1221 are semicircular holes to align with the fitting region 1212, which is beneficial for the medicine liquid to smoothly flow into the through hole region 1211; meanwhile, in order to ensure the suction force in the deep inner cavity of the medicine tank, the proportion of the holes on the upper bottom 1222 is large, and the hole area accounts for 42% of the outer surface area of the upper bottom 1222.

As shown in fig. 1, 2 and 5, a liquid collecting pipe 123 is correspondingly arranged below each accommodating groove 121, one end of the liquid collecting pipe 123 is hermetically connected to the lower surface of the bottom plate 111 in an adhering manner, and the inner cavity of the liquid collecting pipe 123 is communicated with the through hole area 1211 and the inner cavity of the porous cylinder 122; the liquid collecting pipe 123 is made of transparent materials such as glass and polycarbonate, so that medical workers can observe the dropping condition of the medicine juice conveniently, and in the embodiment, the liquid collecting pipe 123 is made of glass. Specifically, the liquid collecting pipe 123 comprises a variable-diameter section 1231 and a constant-diameter section 1232, wherein the variable-diameter section 1231 is similar to an inverted cone, and the upper end of the variable-diameter section 1231 is a flared end 12311 and is hermetically connected to the lower surface of the bottom plate 111; the lower end is a necking end 12312, and one end of the constant-diameter section 1232 is communicated with the necking end 12312; all set up a valve 12321 on every constant diameter section 1232 for medical personnel control the break-make of every constant diameter section 1232, valve 12321 is the cock that has the through-hole, and the material chooses polytetrafluoroethylene material for use, conveniently dismantles the washing.

As shown in fig. 1, the liquid storage mechanism 2 includes a liquid cartridge 21 and a lid 22. The upper end opening of liquid storage cylinder 21, the opening outside is provided with the external screw thread, is provided with the internal thread in the lid 22, through inside and outside screw-thread fit, realizes liquid storage cylinder 21 and lid 22's the airtight connection that dismantles.

The cover 22 is provided with a liquid inlet 221 and a gas outlet 222, and the other end of the constant diameter section 1232 is hermetically extended into the inner cavity of the liquid storage mechanism 2 from the liquid inlet 221.

As shown in fig. 1, the negative pressure generating mechanism 3 is connected with the air outlet 222 through a conduit, so as to communicate the inner cavity of the liquid storage mechanism 2, the inner cavity of the liquid collecting pipe 123 and the inner cavity of the porous cylinder 122; the negative pressure generating mechanism 3 is selected from conventional vacuum pump, such as SHZ-III circulating water type vacuum pump produced by Shanghai Yangrong biochemical instrument factory.

The working principle of the device for quickly sucking redundant medicine juice in the medicine tank with the structure is as follows: opening the negative pressure generating mechanism 3, and closing all the valves 12321 to enable the inner cavity of the liquid storage mechanism 2 to be in a negative pressure state; taking out the soaked medicine can, inverting to make the mouth part extend into the accommodating groove 121, and hermetically attaching the mouth end face of the medicine can to the attaching area 1212, at this time, the porous cylinder 122 extends into the inner cavity of the medicine can; corresponding valve 12321 is slowly opened for the airtight intercommunication of medicinal cupping inner chamber and 2 inner chambers of stock solution mechanism, negative pressure production mechanism 3, the unnecessary medicine juice of remaining on the medicinal cupping inner chamber wall gets into 2 inner chambers of stock solution mechanism through perforated cylinder 122 inner chamber, collector tube 123 inner chambers in proper order under the negative pressure effect, and the unnecessary medicine juice of remaining on the medicinal cupping outer wall face volatilizees under self heating power effect. Medical personnel observe the liquid medicine circumstances of dripping through reducing section 1231, and when no obvious liquid drop drips, close valve 12321, the medicinal cupping whole keeps moist state this moment, but does not have obvious liquid medicine wall built-up. The medicine pot is slightly inclined, so that the end face of the medicine pot opening is separated from the attaching area 1212, the medicine pot opening is moved out from the accommodating groove 121, then the medicine pot opening is covered, after the temperature is proper, the medicine pot opening is quickly pressed on the corresponding treatment part, and the medicine pot is adsorbed on the operation part of the patient by using heat, so that the cupping is realized.

When more medicine juice is collected in the liquid storage mechanism 2, the medicine juice can be poured into a pot of the boiling pot for soaking and boiling the medicine pot again.

Example 2

The embodiment provides a surplus medicine juice suction means of medicinal cupping, and is different from embodiment 1 in that, does not set up stock solution mechanism 2 alone, but is directly linked together collector tube 123 with negative pressure production mechanism 3 through the pipe, and under this condition, negative pressure production mechanism 3 can select to use the vacuum pump of taking out the liquid, is about to the direct vacuum pump that inhales of surplus medicine juice. The device for quickly sucking the redundant medical juice in the medical pot with the structure can not collect the redundant medical juice for recycling, but can still realize the purpose of quickly sucking the redundant medical juice on the wall surface of the inner cavity of the medical pot.

Example 3

The present embodiment provides a device for sucking excess medicinal liquid from a medicinal canister, which is different from embodiment 1 in that only one set of holding grooves 121, a porous cylinder 122 and a liquid collecting pipe 123 are provided on a base plate 11, in this case, the sucking of excess medicinal liquid from one medicinal canister can only be satisfied at a time, and although the efficiency is reduced to some extent as a whole, the purpose of quickly sucking excess medicinal liquid from one medicinal canister can also be achieved.

Example 4

The embodiment provides a device for sucking the excessive medicine juice in a medicine tank, which is different from the embodiment 1 in that the outer diameter of the porous cylinder 122 can be selected to be 2.5cm, 2cm, 3cm, 4cm and other values; the width of the bonding area 1212 can be selected from other values such as 0.5cm, 1cm, 1.5cm and the like besides 2cm, and can be closely matched with the end face of the medicine can.

Example 5

Unlike the embodiment 1, the present embodiment provides a device for rapidly sucking excess medicine juice from a medicine tank, in which the ratio of the open area of the side wall surface 1221 to the outer surface area of the side wall surface 1221 is not only 32%, but also 28%, 30%, 35%, 38%, etc., and a suitable sucking force can be provided. Meanwhile, the proportion of the open area of the upper bottom 1222 to the outer surface area of the upper bottom is not only 42%, but also 40%, 45% and the like, and the suction force of the excessive medicine juice in the deep inner cavity of the medicine tank can be ensured.

Example 6

Unlike embodiment 1, the holes on the wall surface of the porous cylinder 122 may be arranged in other forms, such as in a corrugated manner on the side wall surface 1221 and in a circular manner on the upper bottom surface 1222.

Example 7

The embodiment provides a quick suction means of unnecessary juice of medicinal cupping, and the difference with embodiment 1 is that absorption subassembly 12 can also not set up porous section of thick bamboo 122, and the quick suction means of unnecessary juice of medicinal cupping of this structure still can realize the absorption to the unnecessary juice of medicinal cupping inner chamber wall, nevertheless sets up porous section of thick bamboo 122 with embodiment 1 and can stretch into the medicinal cupping inner chamber and compare, and the effect can be slightly poor.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A device for sucking the redundant medicine juice in a medicine tank is characterized by comprising:

the absorption mechanism comprises an accommodating groove for the medicine pot opening to extend into and a liquid collecting pipe corresponding to the accommodating groove, the bottom of the accommodating groove is provided with a through hole area and a joint area which surrounds the through hole area and is in close fit with the end face of the medicine pot opening, and one end of the liquid collecting pipe is in close communication with the through hole area;

and the negative pressure generating mechanism is communicated with the other end of the liquid collecting pipe and is used for sucking the residual redundant medicine juice on the wall surface of the inner cavity of the medicine tank through the generated negative pressure.

2. The device for extracting the excess liquid medicine from the medicine pot as claimed in claim 1, wherein a perforated cylinder capable of extending into the inner cavity of the medicine pot is arranged on the through hole area.

3. The canister excess solution extraction device of claim 2, wherein the perforated cylinder includes a side wall surface and an upper bottom surface, the apertures in the side wall surface and the upper bottom surface are arranged in an annular array, and there is at least one aperture in the side wall surface aligned with the attachment region.

4. The device for extracting the excessive medicine juice in the medicine can according to claim 3, wherein the open area of the side wall surface accounts for 28-38% of the outer surface area of the side wall surface, and the open area of the upper bottom surface accounts for 40-45% of the outer surface area of the upper bottom surface.

5. The device for sucking the excessive medicine juice in the medicine tank is characterized in that the outer diameter of the porous cylinder is 2-4 cm, and the annular width of the attaching area is 0.5-2 cm.

6. The canister sweep canister according to any of claims 1-5 wherein said manifold includes a reducer section and a constant diameter section, said reducer section including a flared end in sealed communication with said through-bore area and a necked end for connection to an end of said constant diameter section.

7. The canister excess solution extraction device of claim 6, wherein the reducer section is made of a transparent material.

8. The device for drawing excess drug juice from a canister as claimed in claim 7, wherein said drawing mechanism comprises a plurality of sets of said holding grooves and said liquid collecting tubes, said liquid collecting tubes corresponding to said holding grooves one to one, each of said constant diameter sections having a valve disposed thereon.

9. The canister excess solution extraction device of claim 8 further comprising a reservoir mechanism disposed between the extraction mechanism and the negative pressure producing mechanism.

10. The device for sucking the excessive liquid medicine in the medicine tank according to claim 9, wherein the liquid storage mechanism comprises a liquid storage cylinder and a cover body detachably and hermetically connected with the liquid storage cylinder, and the cover body is provided with a liquid inlet communicated with the constant-diameter section and a gas outlet communicated with the negative pressure generating mechanism.

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