Hyaluronic acid volumetric flask for quantitative use
By designing a volumetric flask for quantitative use of hyaluronic acid, and using a piston plate and rotating block to control the amount of hyaluronic acid extruded, the problem of existing hyaluronic acid cosmetic bottles being unable to dispense liquid in a quantitative manner is solved, thus achieving stable and quantitative use of hyaluronic acid and preventing waste.
Patent Information
- Application Number
- CN202520553741.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing hyaluronic acid cosmetic bottles cannot dispense a precise amount of liquid, resulting in inconsistent usage and potential overuse and waste.
A volumetric flask for quantitative use of hyaluronic acid was designed, comprising a flask body, a piston plate, a dispensing tube, and a usage bottle. The amount of hyaluronic acid extruded is controlled by sliding the piston plate, and the flask body is moved stably by a rotating block and connecting parts. The scale lines and one-way valve ensure quantitative extrusion.
This method enables the quantitative dispensing of hyaluronic acid, avoiding excessive use and waste, ensuring the stability of the usage process and the quality of hyaluronic acid, preventing the solution from coming into contact with the outside world, and reducing the increase or decrease of solution due to misoperation.
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Figure CN223792168U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of packaging containers, and in particular to a volumetric hyaluronic acid bottle for quantitative use. Background Technology
[0002] Hyaluronic acid, also known as glucuronic acid or hyaluronic acid, is a large polysaccharide composed of disaccharide units of D-glucuronic acid and N-acetylglucosamine. It is an acidic polysaccharide whose transparent molecules can carry more than 500 times their weight in water, making it one of the best moisturizing ingredients currently available. The maturation and aging process of human skin is accompanied by changes in the content and metabolism of hyaluronic acid. It can improve skin nutrition and metabolism, making skin soft, smooth, wrinkle-free, more elastic, and preventing aging. While moisturizing, it is also an excellent transdermal absorption enhancer; when used in combination with other nutrients, it can promote nutrient absorption.
[0003] As people's living standards continue to improve, their pursuit of various skincare and beauty products is also increasing. Dressings are a type of carrier for beauty products, and they are loved and accepted by the general public due to their convenience and rapid effects. Currently, hyaluronic acid is usually packaged in glass or plastic cosmetic bottles. When needed, the hyaluronic acid is pressed or squeezed out of the bottle, and then the user applies it evenly to their facial skin using their hands.
[0004] Existing cosmetic bottles cannot dispense liquid in a precise amount, resulting in inconsistent amounts of cosmetics used each time. This makes it difficult to control the amount needed each time, causing inconvenience, easy overuse, and waste. Utility Model Content
[0005] In order to enable quantitative dispensing of hyaluronic acid and avoid waste, this application provides a volumetric flask for quantitative use of hyaluronic acid.
[0006] This application provides a volumetric flask for quantitative use of hyaluronic acid, employing the following technical solution:
[0007] A volumetric flask for quantitative use of hyaluronic acid includes a hollow bottle body for holding liquid, a piston plate fitted inside the bottle body, and a dispensing tube connected to the bottle body. One end of the dispensing tube extends into the bottle body and passes through the piston plate, and the dispensing tube is fixed to the piston plate. The piston plate slides inside the bottle body, and the dispensing tube is slidably connected to the bottle body. The bottle body can slide along the direction of the dispensing tube. A usage bottle is connected to the end of the dispensing tube away from the bottle body. Both ends of the dispensing tube communicate with the bottle body and the usage bottle. The usage bottle is provided with a usage port for user convenience, and a stopper is fitted at the usage port.
[0008] By adopting the above technical solution, the quantitative dispensing of hyaluronic acid solution is achieved by sliding a piston plate installed in the bottle. Sliding the piston plate a certain distance allows the hyaluronic acid solution inside the bottle to be squeezed out in the corresponding volume. Furthermore, the hyaluronic acid solution can be continuously squeezed out through the sliding piston plate. Compared with the existing method of squeezing plastic bottles or pressing glass bottle pump heads, the piston plate sliding in the bottle can freely control the volume of hyaluronic acid squeezed out, making it convenient to achieve quantitative dispensing. The squeezed solution can flow into the use bottle, and the user can directly use the solution in the use bottle, avoiding direct contact with the solution in the bottle and preventing the external environment from affecting the quality of the solution in the bottle. The bottle stopper on the use bottle can prevent external impurities from entering the use bottle.
[0009] Optionally, a protective sleeve is provided on the outside of the bottle body, the bottle body is slidably fitted inside the protective sleeve, and the bottle is fixed to the end of the protective sleeve.
[0010] By adopting the above technical solution, the protective cylinder can protect the bottle and prevent it from breaking if it falls.
[0011] Optionally, the end of the protective cylinder away from the bottle being used is provided with an installation port for replacing the bottle.
[0012] By adopting the above technical solution, the upper end of the dispensing tube and the bottle can be detachably connected and fixed. When the hyaluronic acid in the bottle is used up, the bottle can be removed from the inside of the protective tube as a whole, and then a new bottle can be replaced and used again.
[0013] Optionally, a control component for controlling the movement of the bottle is provided inside the protective cylinder and near the installation port. The control component includes a rotating block rotatably mounted on the protective cylinder and a rotating cylinder fixed on the rotating block. The rotating cylinder is rotatably fitted inside the protective cylinder and sleeved on the outside of the bottle. A connecting piece for controlling the vertical movement of the bottle is provided between the rotating cylinder and the bottle.
[0014] By adopting the above technical solution, when the solution in the bottle is squeezed out into the bottle, the rotating block is driven to rotate freely at the end of the protective cylinder, thereby driving the rotating cylinder and the bottle to rotate. Under the action of the connecting part, the bottle can rotate and rise in the rotating cylinder, thereby squeezing out the solution in the bottle.
[0015] Optionally, the connector includes a pair of connecting blocks fixed on the bottle body. The two connecting blocks are symmetrically arranged at the ends of the bottle body near the rotating block. A pair of spiral guide grooves are symmetrically arranged on the inner wall of the protective cylinder. The connecting blocks are slidably fitted in the guide grooves. Vertical guide holes are symmetrically arranged on the cylinder wall of the rotating cylinder. The connecting blocks are slidably inserted into the guide holes.
[0016] By adopting the above technical solution, the rotating cylinder drives the bottle to rotate through the guide hole and the connecting block during the rotation process. Under the action of the guide groove, the connecting block and the guide hole, the connecting block can rotate and rise in the direction of the guide groove, making the rotation process more stable, thereby making the solution in the bottle squeezed out more evenly.
[0017] Optionally, the bottle used is a transparent bottle.
[0018] By adopting the above technical solution, when hyaluronic acid is extruded, the user can directly observe the amount of hyaluronic acid extruded into the bottle, making it convenient to stop the extrusion of hyaluronic acid into the bottle at any time and avoid blindly extruding excessive amounts of hyaluronic acid.
[0019] Optionally, the bottle is provided with scale lines on its body to indicate its capacity.
[0020] By adopting the above technical solution, the scale line can be observed at any time during the hyaluronic acid extrusion process. When the extruded hyaluronic acid reaches the capacity required for one use, the rotation of the rotating block can be stopped immediately, so that the bottle contains just enough for one use by the user.
[0021] Optionally, the outlet pipe is connected to a first check valve to prevent backflow.
[0022] By adopting the above technical solution, when the solution in the bottle flows to the bottle of use through the outlet pipe, it can pass through the first one-way valve. After the bottle stops rotating, the solution in the bottle of use is prevented from automatically flowing back into the bottle, thus preventing a fixed amount of solution from gradually flowing into the bottle.
[0023] Optionally, a reflux pipe is connected between the bottle body and the use bottle. One end of the reflux pipe is connected to the use bottle, and the other end is connected to the liquid outlet pipe located below the first one-way valve. A second one-way valve that acts opposite to the first one-way valve is connected to the reflux pipe.
[0024] By adopting the above technical solution, when a large amount of solution is squeezed into the use bottle at one time, the solution in the use bottle can be drawn back into the bottle body by the reverse movement of the piston plate. The excess solution flows into the bottle body only through the return pipe, avoiding the mixing of the outlet pipe and the return pipe. In addition, when the solution in the bottle body is used up, the user can add replenishing hyaluronic acid solution to the use bottle, and then draw the solution in the use bottle back into the bottle body to add solution to the bottle body, avoiding the need to replace the entire bottle body and realizing secondary use.
[0025] Optionally, the protective cylinder is provided with a limiting member at the end near the rotating block to restrict the rotation of the rotating block.
[0026] By adopting the above technical solution, after the control block has finished rotating, the limiting component can control the rotating block to rotate after the error, so as to prevent the hyaluronic acid solution in the bottle from increasing or decreasing due to the rotation of the rotating block when using the hyaluronic acid.
[0027] In summary, this application includes at least one of the following beneficial technical effects:
[0028] 1. When using hyaluronic acid solution in a quantitative manner, the solution can be squeezed into the usage bottle by controlling the rotation of the rotating block. By observing the transparent usage bottle and the graduation line on the usage bottle, the amount of solution entering and leaving the usage bottle can be clearly understood. When the appropriate amount is squeezed out, the rotation can be stopped, and the rotation of the rotating block can be restricted by the limiting component to avoid a sudden increase or decrease in the amount of solution in the usage bottle during use.
[0029] 2. When a large amount of solution is squeezed out of the bottle at once, the reverse drive rotating block can be rotated to allow the solution in the bottle to flow back into the bottle body through the return tube. This avoids the hyaluronic acid solution coming into contact with air after the bottle stopper is opened and then flowing into the bottle body, thus preventing the hyaluronic acid from deteriorating.
[0030] 3. During the movement of the bottle, the control components make the rotation and upward movement of the bottle more stable, and the amount of solution squeezed out is more stable. Attached Figure Description
[0031] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.
[0032] Figure 2 This is a cross-sectional view of the control component as illustrated in the embodiments of this application.
[0033] Figure 3 This is a schematic diagram illustrating the guide groove in an embodiment of this application.
[0034] Explanation of reference numerals in the attached drawings: 1. Bottle body; 11. Piston plate; 12. Discharge pipe; 13. Return pipe; 14. First check valve; 15. Second check valve; 2. Protective cylinder; 21. Mounting port; 3. Usage bottle; 31. Usage port; 32. Bottle stopper; 33. Scale line; 4. Control component; 41. Rotating block; 42. Rotating cylinder; 43. Connecting piece; 431. Connecting block; 432. Guide hole; 433. Guide groove; 5. Limiting component; 51. Anti-slip groove; 52. Limiting cylinder; 53. Limiting strip. Detailed Implementation
[0035] The preferred embodiments described below are merely examples, and other obvious variations will be apparent to those skilled in the art. The basic principles of this invention as defined in the following description can be applied to other implementations, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of this invention.
[0036] Those skilled in the art should understand that, in the disclosure of this utility model, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.
[0037] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.
[0038] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.
[0039] This application discloses a volumetric flask for quantitative use of hyaluronic acid.
[0040] Reference Figure 1 and Figure 2 A volumetric flask for quantitative use of hyaluronic acid includes a bottle body 1 for holding hyaluronic acid. The bottle body 1 is cylindrical and hollow. A horizontally arranged piston plate 11 is installed inside the bottle body 1. The piston plate 11 can move up and down inside the bottle body 1. An outlet tube 12 is connected to the bottle body 1 to allow the hyaluronic acid inside the bottle body 1 to flow out. One end of the outlet tube 12 extends into the bottle body 1 and passes through the piston plate 11. The outlet tube 12 is fixed to the piston plate 11, and the bottle body 1 and the outlet tube 12 are slidably connected. The outlet tube 12 is connected to the center of the piston plate 11 and coincides with the axis of the bottle body 1. When the piston plate 11 moves inside the bottle body 1, it can squeeze the hyaluronic acid inside the bottle body 1 into the outlet tube 12 and then flow out from the outlet tube 12.
[0041] A protective sleeve 2 is fitted over the outside of the bottle body 1. The protective sleeve 2 is hollow inside and open at both ends. The bottle body 1 is inside the protective sleeve 2 and slides along its height. The protective sleeve 2 serves to protect the bottle body 1. A usage bottle 3 is fixed to the upper end of the protective sleeve 2. The usage bottle 3 is hollow inside and has a usage port 31 at its upper end. The end of the dispensing tube 12 away from the bottle body 1 is connected to the inside of the usage bottle 3, and the end of the dispensing tube 12 is fixed to the usage bottle 3. When the user needs to use hyaluronic acid, the bottle body 1 is controlled to be inside the protective sleeve 2. The piston plate 11 moves vertically, indirectly causing it to move inside the bottle 1. This squeezes the hyaluronic acid inside the bottle 1 into the dispensing tube 12 and then into the usage bottle 3. The user can directly apply the hyaluronic acid from the usage bottle 3. The amount of hyaluronic acid dispensed is controlled by adjusting the movement speed of the bottle 1. During use, one end of the dispensing tube 12 is fixed to the usage bottle 3, and the other end is fixed to the piston plate 11. The dispensing tube 12 and the protective cylinder 2 remain relatively stationary, allowing the bottle 1 to move along the length of the dispensing tube 12. A stopper 32 is installed at the usage opening 31 of the usage bottle 3. This serves two purposes: firstly, it protects against impurities from entering the usage bottle 3; secondly, it maintains a relatively sealed environment in the usage bottle 3. After a certain amount of solution is dispensed, the stopper 32 is opened to prevent hyaluronic acid from flowing out of the usage bottle 3 and causing waste.
[0042] Reference Figure 1 and Figure 2 The lower end of the protective tube 2 is provided with an installation port 21, and the upper end of the liquid outlet tube 12 is detachably connected and fixed to the bottle 3. When the hyaluronic acid in the bottle 1 is used up, the bottle 1 can be removed from the inside of the protective tube 2 as a whole, and then a new bottle 1 can be replaced and used again.
[0043] Reference Figure 2 and Figure 3A control component 4 for controlling the movement of the bottle body 1 is provided at the end of the protective cylinder 2 away from the bottle 3. The control component 4 includes a rotating block 41 rotatably fitted at the mounting port 21. A vertical rotating cylinder 42 is fixed on the rotating block 41. The rotating cylinder 42 is located inside the protective cylinder 2 and sleeved on the outside of the bottle body 1. The rotating cylinder 42 is located between the bottle body 1 and the protective cylinder 2. The vertical movement of the bottle body 1 inside the protective cylinder 2 is controlled by driving the rotating cylinder 42 to rotate. The control component 4 also includes a connector 43 provided on the rotating cylinder 42, the protective cylinder 2, and the bottle body 1. The connector 43 includes a pair of connecting blocks 431 fixed on the bottle body 1. The two connecting blocks 431 are symmetrically arranged at the end of the bottle body 1 near the rotating block 41. A pair of elongated guide holes 432 are symmetrically opened on the cylinder wall of the rotating cylinder 42. The length direction of the guide holes 432 is parallel to the height direction of the rotating cylinder 42. Similarly, a pair of spiral guide grooves 433 are provided on the wall of the protective cylinder 2. The two guide grooves 433 are used in conjunction with two connecting blocks 431. The ends of the connecting blocks 431 are installed and fitted in the guide grooves 433 and can slide along the direction of the guide grooves 433, allowing the bottle 1 to rotate and move upward. When the rotating cylinder 42 is controlled to rotate, the bottle 1 can be driven to rotate under the action of the guide hole 432 and the connecting block 431. Under the action of the guide grooves 433, the bottle 1 can rotate and gradually move upward inside the rotating cylinder 42. During the rotation of the bottle 1, since the liquid outlet pipe 12 coincides with the axis of the bottle 1, the bottle 1 can move along the direction of the liquid outlet pipe 12. The connecting piece 43 makes the movement of the bottle 1 more stable, thereby controlling the speed and dosage of hyaluronic acid squeezed out of the bottle 1 and avoiding excessive squeezing at one time, which would cause waste.
[0044] Bottle 3 is a transparent bottle made of transparent material. When hyaluronic acid is squeezed out, the user can directly observe the amount of hyaluronic acid squeezed into the bottle 3, making it easy to stop squeezing out hyaluronic acid at any time and avoid blindly squeezing out too much hyaluronic acid. The bottle 3 is equipped with a scale line 33 to display the volume. During the squeezing process, the scale line 33 can be observed at any time. When the squeezed hyaluronic acid reaches the volume required for one use, the rotation of the rotating block 41 can be stopped immediately, so that the bottle 3 contains just the amount required for one use. When too much volume is squeezed into the bottle 3, the rotating block 41 can be controlled to rotate in the opposite direction, allowing the excess hyaluronic acid in the bottle 3 to flow back into the bottle body 1.
[0045] Reference Figure 2 and Figure 3Inside the protective cylinder 2, there is a reflux pipe 13. One end of the reflux pipe 13 is connected to the use bottle 3, and the other end is connected to the outlet pipe 12. When the hyaluronic acid in the use bottle 3 has a large volume, it can be refluxed back to the outlet pipe 12 through the reflux pipe 13, so as to avoid waste caused by the large volume of solution in the use bottle 3 not being used up at once. The reflux pipe 13 connected to the outlet pipe 12 can prevent the reflux pipe 13 from affecting the free rotation of the bottle body 1. A first one-way valve 14 is connected to the storage tube to prevent the solution from flowing back from the use bottle 3 into the bottle body 1. A second one-way valve 15 is connected to the return pipe 13 to prevent the solution from flowing from the inside of the bottle body 1 along the return pipe 13 into the use bottle 3. This allows the outlet pipe 12 and the return pipe 13 to be used independently, avoiding the sharing of a single pipe between outlet and return. The first one-way valve 14 and the second one-way valve 15 have the same structure, both including a sealing ball and a sealing spring. The sealing spring is fixed to the sealing ball, and the sealing ball is sealed in the storage tube or the return pipe 13. This allows the solution squeezed out of the bottle body 1 to flow only through the storage tube and the first one-way valve 14 into the use bottle 3. Excess solution in the use bottle 3 can only flow back into the bottle body 1 along the return pipe 13 and the second one-way valve 15. Therefore, during use, the rotation of the rotating block 41 is adjusted by observing the amount of solution squeezed into the use bottle 3. When the volume of the use bottle 3 is adjusted to a fixed usage amount, the bottle stopper 32 is opened for use.
[0046] Reference Figure 2 and Figure 3 A limiting member 5 is provided at the lower end of the protective cylinder 2 to restrict the rotation of the rotating block 41. An anti-slip groove 51 is provided on the circumferential surface of the rotating block 41. The limiting member 5 includes a limiting cylinder 52 sleeved on the protective cylinder 2. The limiting cylinder 52 can slide up and down along the protective cylinder 2 and can slidably fit on the rotating block 41. The limiting cylinder 52 can only slide up and down on the protective cylinder 2. A guide strip can be fixed on the protective cylinder 2, and a guide groove can be opened on the inner wall of the limiting cylinder 52, allowing the guide strip to slide within the guide groove to prevent the limiting member from moving. The cylinder 52 rotates relative to the protective cylinder 2. A limiting strip 53 is fixed on the inner wall of the limiting cylinder 52. The limiting strip 53 can be slidably inserted into the anti-slip groove 51 on the rotating block 41. After the rotating block 41 is rotated, the limiting cylinder 52 can slide down onto the rotating block 41, and the limiting strip 53 can be slidably inserted into the rotating block 41, thereby preventing the rotating block 41 from continuing to rotate. This prevents the rotating block 41 from being accidentally rotated when using the hyaluronic acid in the bottle 3, which could increase or decrease the amount of hyaluronic acid solution in the bottle 3.
[0047] The implementation principle of a quantitative hyaluronic acid volumetric flask according to an embodiment of this application is as follows: When using hyaluronic acid, the user controls the rotating block 41 to rotate, thereby driving the rotating cylinder 42 to rotate. Under the action of the connecting piece 43, the bottle body 1 can move upward, and the solution in the bottle body 1 is squeezed out into the use bottle 3 through the outlet pipe 12 under the action of the piston plate 11. If too much solution is squeezed out of the use bottle 3, it can flow back into the bottle body 1 through the return pipe 13 to avoid wasting hyaluronic acid.
[0048] Those skilled in the art should understand that the embodiments of the present invention described above are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the described principles, the implementation of the present invention may have any modifications or variations.
Claims
1. A hyaluronic acid vial for quantitative use, characterized in that: The utility model provides a bottle body (1) including for containing liquid and hollow structure inside, install the piston board (11) that fits in the bottle body (1) inside and connect on the liquid outlet pipe (12) of bottle body (1), the liquid outlet pipe (12) one end enters to the bottle body (1) inside and passes through the piston board (11), and the liquid outlet pipe (12) is fixed with piston board (11), the piston board (11) slides in the bottle body (1) inside, and the liquid outlet pipe (12) is connected with the bottle body (1) sliding, the bottle body (1) can slide along the direction of liquid outlet pipe (12), is connected with the use bottle (3) at the end of liquid outlet pipe (12) away from the bottle body (1), the both ends of liquid outlet pipe (12) are communicated with the bottle body (1) and use bottle (3), the use bottle (3) is provided with the use mouth (31) of facilitating user to use on, is installed with the bottle plug (32) at the use mouth (31).
2. A hyaluronic acid vial for a predetermined use according to claim 1, characterized in that: The bottle body (1) is sleeved with a protective cylinder (2) outside, and the bottle body (1) is slidably fitted in the protective cylinder (2).
3. A hyaluronic acid vial for a predetermined use according to claim 2, characterized in that: The end of the protective cylinder (2) away from the use bottle (3) is provided with a mounting port (21) for replacing the bottle body (1).
4. The hyaluronic acid vial according to claim 2, wherein: The control assembly (4) for controlling the movement of the bottle body (1) is arranged inside the protective cylinder (2) and close to the mounting port (21), and the control assembly (4) comprises a rotating block (41) rotatably arranged on the protective cylinder (2) and a rotating cylinder (42) fixed on the rotating block (41), the rotating cylinder (42) is rotatably fitted in the protective cylinder (2), and the rotating cylinder (42) is sleeved outside the bottle body (1), and a connecting piece (43) for controlling the vertical movement of the bottle body (1) is arranged between the rotating cylinder (42) and the bottle body (1).
5. A hyaluronic acid vial for a predetermined use according to claim 4, characterized in that: The connecting piece (43) comprises a pair of connecting blocks (431) fixed on the bottle body (1), the two connecting blocks (431) are symmetrically arranged on the end of the bottle body (1) close to the rotating block (41), a pair of helical guide grooves (433) are symmetrically arranged on the inner wall of the protective cylinder (2), the connecting blocks (431) are slidably fitted in the guide grooves (433), vertical guide holes (432) are symmetrically arranged on the cylinder wall of the rotating cylinder (42), and the connecting blocks (431) are slidably arranged in the guide holes (432).
6. The hyaluronic acid vial according to claim 1, wherein: The use bottle (3) is a transparent bottle.
7. The hyaluronic acid vial according to claim 1, wherein: Scale lines (33) for displaying the capacity are arranged on the bottle body of the use bottle (3).
8. The hyaluronic acid vial according to claim 1, wherein: A first one-way valve (14) for avoiding backflow is communicated on the liquid outlet pipe (12).
9. The hyaluronic acid vial according to claim 1, wherein: A backflow pipe (13) is connected between the bottle body (1) and the use bottle (3), one end of the backflow pipe (13) is communicated to the use bottle (3), the other end of the backflow pipe (13) is connected to the liquid outlet pipe (12) below the first one-way valve (14), and a second one-way valve (15) opposite to the first one-way valve (14) is connected on the backflow pipe (13).
10. The hyaluronic acid vial according to claim 2, wherein: Limiting pieces (5) for limiting the rotation of the rotating block (41) are arranged on the end of the protective cylinder (2) close to the rotating block (41).