CN109925014B - Fat purification device - Google Patents
Fat purification device Download PDFInfo
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- CN109925014B CN109925014B CN201910264900.XA CN201910264900A CN109925014B CN 109925014 B CN109925014 B CN 109925014B CN 201910264900 A CN201910264900 A CN 201910264900A CN 109925014 B CN109925014 B CN 109925014B
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- 238000000746 purification Methods 0.000 title claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 133
- 210000000577 adipose tissue Anatomy 0.000 claims abstract description 50
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000004519 grease Substances 0.000 claims abstract description 3
- 238000007670 refining Methods 0.000 claims description 7
- 238000007443 liposuction Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 12
- 238000002054 transplantation Methods 0.000 abstract description 9
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 210000001789 adipocyte Anatomy 0.000 description 26
- 238000000034 method Methods 0.000 description 14
- 239000012535 impurity Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 210000001519 tissue Anatomy 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 238000010008 shearing Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 210000004003 subcutaneous fat Anatomy 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005360 mashing Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention relates to a fat purification device, comprising: a tank body, in which a cavity suitable for accommodating adipose tissue is formed; the cover body is connected with the tank body in a sealing way; a stirring device at least partially extending into the cavity to agitate the adipose tissue in the cavity; the adsorption device is connected with the cover body and the stirring device to adsorb residual grease and moisture in the adipose tissue; wherein, be equipped with the negative pressure interface on the lid, be equipped with first hose on the negative pressure interface, the tip of first hose stretches into the bottom of cavity. According to the technical scheme, the purification of adipose tissues can be completed in one device, the structure is ingenious, the use is convenient, the equipment is few, the occupied space is small, the filtering flow is short, and the adsorption efficiency is high; and the sealing connection between the tank body and the cover body can provide a safe and sterile environment for purifying adipose tissues, reduce the possibility of infection, and provide a safety guarantee for improving the efficiency and the success rate of fat transplantation operation.
Description
Technical Field
The invention relates to the field of fat transplantation, in particular to a fat purifying device.
Background
In the traditional fat transplantation operation process, the general conventional fat suction and fat extraction method comprises a negative pressure fat suction mode and a syringe fat suction mode, in the fat transplantation operation, fat cells are damaged greatly and have small activity, the survival rate of fat transplantation is affected, when extracted fat is purified, adipose tissues cannot be classified and screened, infection is easy to occur, in the fat injection process, the manual fat injection doctor has high working strength, the fat injection time is long, and the risk of blocking blood vessels is caused.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
Therefore, the invention aims to provide a fat purification device which can finish the purification of fat tissues in one device, has smart structure, convenient use, less equipment, small occupied space, short filtering flow and high adsorption efficiency.
In order to achieve the above object, the present invention provides a fat purification device comprising: a tank body, in which a cavity suitable for accommodating adipose tissue is formed; the cover body is connected with the tank body in a sealing way; a stirring device at least partially extending into the cavity to agitate the adipose tissue in the cavity; the adsorption device is connected with the cover body and the stirring device to adsorb residual grease and moisture in the adipose tissue; wherein, be equipped with the negative pressure interface on the lid, be equipped with first hose on the negative pressure interface, the tip of first hose stretches into the bottom of cavity.
In the technical scheme, the stirring device can stir the adipose tissues, promote the liquid flow in the cavity and improve the filtering efficiency; in the mincing process, the viscosity of the fat cells is utilized to be adhered to the surface of a stirring device, impurities such as water and oil in fat tissues are precipitated at the bottom of a tank body, then the impurities such as water and oil are pumped out through a negative pressure interface externally connected with a negative pressure power source and a first hose on the negative pressure interface to realize preliminary separation between the fat cells and the impurities, a cylinder body is inverted, the fat tissues are paved on the surface of an adsorption device and then shake anticlockwise, so that the fat tissues can be purified in one device, the structure is ingenious, the use is convenient, the equipment is less, the occupied space is small, the filtering flow is short, and the adsorption efficiency is high; and the sealing connection between the tank body and the cover body can provide a safe and sterile environment for purifying adipose tissues, reduce the possibility of infection and provide a safety guarantee for improving the efficiency of transplantation operation and the success of the operation.
In the above technical solution, preferably, the stirring device includes: a handle; the stirring shaft at least partially stretches into the cavity; the stirring blades are arranged at the part of the stirring shaft extending into the cavity; wherein the stirring blade is fan-shaped, and the plane of the fan-shaped stirring blade and the plane of the stirring shaft are at a preset angle alpha, and alpha is more than or equal to 0 and less than 90 degrees.
In the technical scheme, the stirring blade at the bottom of the stirring shaft can stir and break fat tissues, and fat cells in the broken fat tissues are adhered to the stirring blade, so that the purification process is completed; and the stirring blade is obliquely arranged on the stirring shaft, so that the contact area between the stirring blade and adipose tissues is increased, and adipose cells are more easily adhered to the stirring blade, and the purification efficiency is improved.
In any of the above technical solutions, preferably, the stirring blades are three, and the included angles formed by two adjacent stirring blades are the same.
In this technical scheme, through limiting the quantity of stirring leaf to three, and the contained angle that two adjacent stirring leaves formed is the same, not only can improve shearing efficiency, increases area of contact, can also improve liquid stirring speed, improves filtration efficiency.
In any of the above embodiments, preferably, the stirring device further includes: the stirring blades are arranged at the part of the stirring shaft extending into the cavity, and the stirring blades are correspondingly arranged at the upper positions of the stirring blades; wherein the stirring sheet is plate-shaped.
In this technical scheme, after mashing adipose tissue, the adipocyte is located upper portion basically, and platelike stirring piece is stained with the adipocyte more easily, can prevent simultaneously that the adipocyte from being stained with on the lid, even have to be stained with on the lid, platelike stirring piece can scrape it to the adipocyte after the make full use of purification improves the utilization ratio.
In any of the above technical solutions, preferably, the stirring sheets are four, wherein the included angles formed by two adjacent stirring sheets are the same, and the planes where the two stirring sheets oppositely arranged are located are arranged in a crossing manner.
In the technical scheme, the two stirring sheets which are arranged in a crossing way, namely the stirring sheets are obliquely arranged, and the oblique directions are opposite, when the stirring device is used for stirring, the blades of the stirring sheets can cut adipose tissues from a certain angle, so that the adipose tissues are easier to break, and the time and the labor are saved; in addition, through limiting the quantity of stirring leaf to four, and the contained angle that two adjacent stirring leaves formed is the same, not only can improve shearing efficiency, increases area of contact, can also improve liquid stirring speed, improves filtration efficiency.
In any of the above technical solutions, preferably, the tank further comprises a base, and the tank is supported on the base.
In this technical scheme, the base can provide the holding power of purification device in the use, prevents that agitating unit from rocking at stirring adipose tissue in-process production, has improved stability.
In any of the above technical solutions, preferably, the tank further comprises a plurality of supporting feet, wherein the supporting feet form a supporting surface, and the tank body is supported on the supporting surface; wherein, a plurality of supporting legs and jar body are integrated into one piece structure.
In this technical scheme, the bearing structure that a plurality of supporting legs are constituteed can provide the holding power of purification device in the use, prevents that agitating unit from rocking at stirring adipose tissue in-process production, has improved stability.
In any of the above embodiments, preferably, the method further includes: the suction interface is arranged on the cover body, and is used for sucking adipose tissues into the tank body through the liposuction tube, a second hose is arranged on the suction interface, and penetrates through the adsorption device and stretches into the cavity; the suction interface is arranged on the cover body, and the purified adipose tissues are discharged out of the tank body through the fat suction interface.
According to the technical scheme, the subcutaneous fat tissue is extracted to enter the tank body through the liposuction tube penetrating into the human body, the fat tissue is scattered under the stirring action of the stirring device, fat cells in the fat tissue are separated from impurities such as water and oil by the stirring action, so that purification of the fat cells is achieved, then the purified fat cells are extracted from a fat suction interface on the cover body by means of a syringe and the like, and the fat transplantation process is completed after the syringe penetrates into the human body.
In any of the above embodiments, preferably, the method further includes: the filter screen is arranged in the cavity and forms a filtering space with the cavity; an air interface arranged on the cover body; wherein the first hose extends into the filter space.
In the technical scheme, after sucking out purified fat cells, an air interface is opened, impurities such as water and oil are controlled by negative pressure in a tank body and filtered by a filter screen, after the filtration is completed, the air interface is closed, an external negative pressure power source is started, and substances such as water and the like filtered by the filter screen at the bottom of the tank body are sucked out through a first hose on the negative pressure interface.
In any of the above embodiments, preferably, the adsorption device includes: the adsorption layer consists of a plurality of layers of sterile adsorption cotton, is embedded on the cover body and is connected with the stirring device, the second hose and the suction interface; the filter screen is wrapped outside the adsorption layer and used for isolating adipose tissues.
In this embodiment, the adsorption device on the cover body can pour the primarily purified adipose tissue into the adsorption layer to shake counterclockwise for 3 minutes after the negative pressure suction filtration of adipose tissue is completed, and further adsorb the residual fat, impurities and moisture in the adipose tissue.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a perspective view showing a structure of a fat refining device according to an embodiment of the present invention;
figure 2 shows a front view of a fat refining device according to an embodiment of the invention;
figure 3 shows a perspective view of a stirring device according to an embodiment of the present invention;
figure 4 shows a cross-sectional view of a stirring device according to an embodiment of the invention;
FIG. 5 shows an enlarged view of portion A of FIG. 4;
fig. 6 is a view showing a construction of an application of the fat refining device according to the embodiment of the present invention;
the correspondence between the reference numerals and the component names in fig. 1 to 6 is:
10 tank body, 20 lid, 21 negative pressure interface, 22 first hose, 23 suction interface, 24 suction interface, 25 air interface, 26 second hose, 30 agitating unit, 31 handle, 32 (mixing) shaft, 33 stirring leaf, 34 stirring piece, 40 adsorption unit, 41 adsorption layer, 42 filter screen, 50 base, 60 liposuction tube.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and the scope of the invention is therefore not limited to the specific embodiments disclosed below.
A fat purification device according to some embodiments of the present invention is described below with reference to fig. 1 to 6.
As shown in fig. 1 to 6, a fat refining device according to an embodiment of the present invention includes: a can 10 having a cavity formed therein for accommodating adipose tissue; the cover body 20 is connected with the tank body 10 in a sealing way; a stirring device 30 extending at least partially into the cavity to agitate the adipose tissue in the cavity; the adsorption device 40 is connected to the cover 20 and the stirring device 30 to adsorb the residual fat and moisture in the adipose tissue.
Wherein the volume of the tank body 10 is 100ml-350ml.
Specifically, the cover 20 is provided with a negative pressure connector 21, the negative pressure connector 21 is provided with a first hose 22, and the end part of the hose 22 extends into the bottom of the cavity.
In this embodiment, the stirring device 30 can stir the adipose tissue, in the stirring process, the viscosity of the adipose cells is utilized to be adhered to the surface of the stirring device 30, the impurities such as water and oil in the adipose tissue are deposited at the bottom of the tank body 10, then the negative pressure interface 21 externally connected with a negative pressure power source and the hose 22 on the negative pressure interface extend into the bottom of the tank body 10, the impurities such as water and oil are sucked out, and separation between the adipose cells and the impurities is realized, so that the purification of the adipose tissue can be completed in one device, the structure is ingenious, the use is convenient, the equipment is less, the occupied space is small, the efficiency is improved, and the analysis flow is short; and the sealing connection between the tank body 10 and the cover body 20 can be completed in a safe and sterile environment for purifying adipose tissues, so that the possibility of infection is reduced, and the safety guarantee is provided for improving the efficiency of transplantation operation and the success of the operation.
Specifically, the structure of the stirring device 30 includes, but is not limited to, the following technical solutions:
example 1 (not shown)
The stirring device 30 includes: a handle 31; a stirring shaft 32 extending at least partially into the cavity; a plurality of stirring blades 33 disposed at a portion of the stirring shaft 32 extending into the cavity; wherein the stirring blade 33 is in a fan shape, the plane of the fan-shaped stirring blade 33 and the plane of the stirring shaft 32 are at a preset angle alpha, alpha is more than or equal to 0 and less than 90 degrees, and the optional value is 30 degrees, 60 degrees or 75 degrees.
In this embodiment, the adipose tissues can be stirred and broken up by the stirring blades 33 positioned at the bottom of the stirring shaft 32, and the fat cells in the broken adipose tissues are adhered to the stirring blades 33, thereby completing the purification process; and stirring vane 33 is inclined on stirring shaft 32 to increase the contact area of stirring vane 33 and adipose tissue, thereby making the adipocyte more easily adhere to stirring vane 33 and improving purification efficiency.
Specifically, the number of stirring vanes 33 is three, and the included angles formed by two adjacent stirring vanes 33 are the same.
In this embodiment, by limiting the number of stirring vanes 33 to three and the angle formed by two adjacent stirring vanes 33 is the same, not only can the shearing efficiency be improved, the contact area be increased, but also the liquid stirring speed can be improved, and the filtration efficiency can be improved.
Example 2 (as shown in FIGS. 3 and 4)
In addition to the structure of the stirring device 30 according to embodiment 1, the stirring device 30 further includes a plurality of stirring blades 34 disposed at a portion of the stirring shaft 32 extending into the cavity, the plurality of stirring blades being disposed at positions above the stirring blades 33; wherein the stirring sheet 34 is plate-shaped.
In this embodiment, after the adipose tissues are minced, the adipose cells are substantially located at the upper portion, and the plate-shaped stirring sheet 34 is more likely to adhere to the adipose cells, and at the same time, can prevent the adipose cells from adhering to the cover 20, even if adhering to the cover 20, the plate-shaped stirring sheet 34 can scrape off the adipose cells, thereby fully utilizing the purified adipose cells and improving the utilization rate.
Specifically, the number of stirring sheets 34 is four, the included angles formed by two adjacent stirring sheets 34 are the same, and the planes of the two opposite stirring sheets 34 are crossed.
In this embodiment, by arranging two stirring blades 34 in a crossing manner, that is, the stirring blades 34 are obliquely arranged and have opposite oblique directions, the blade of the stirring blade 34 can cut the adipose tissue from a certain angle when the stirring device 30 is stirring, so that the adipose tissue is easier to break, and the time and effort are saved; in addition, through limiting the quantity of stirring leaf to four, and the contained angle that two adjacent stirring leaves formed is the same, not only can improve shearing efficiency, increases area of contact, can also improve liquid stirring speed, improves filtration efficiency.
Wherein, the distance between the stirring sheet 34 and the adsorption device 40 is kept at a distance of 2 cm, so that the liquid is prevented from being stuck on the stirring sheet 34 in the stirring process.
As shown in fig. 1 and 6, the fat refining device according to another embodiment of the present invention further comprises a base 50, and the tank 10 is supported on the base 50.
In this embodiment, the base 50 can provide a supporting force for the purifying apparatus during use, prevent shaking of the stirring apparatus 30 during stirring of adipose tissues, and improve stability.
As shown in fig. 2, the fat refining device according to still another embodiment of the present invention further comprises a plurality of support legs forming a support surface on which the tank 10 is supported; wherein, a plurality of supporting legs and the tank body 10 are integrated into one piece.
In this embodiment, the support structure composed of the plurality of support legs can provide the supporting force of the purifying device in the use process, prevent the stirring device 30 from shaking generated in the process of stirring the adipose tissues, and improve the stability.
In any of the above embodiments, preferably, as shown in fig. 1 to 6, further comprising: a suction port 23, which is disposed on the cover 20 and sucks adipose tissues into the can 10 through the liposuction tube 60, wherein a second hose 26 is disposed on the suction port 23, and the second hose 26 penetrates the adsorption device 40 and extends into the cavity; an aspiration port 24 provided on the cap 20, and the purified adipose tissue is discharged from the can 10 through the aspiration port 24.
In this embodiment, the subcutaneous fat tissue is extracted into the can 10 by piercing the human body subcutaneous through the liposuction tube 60, the fat tissue is scattered under the agitation of the agitation device 30, the fat cells in the fat tissue are separated from the impurities such as water and oil by the agitation, thereby accomplishing the purification of the fat cells, and then the purified fat cells are extracted from the fat suction port 24 on the cap 20 by means of a syringe or the like, and injected into the human body after piercing the human body subcutaneous through the syringe, thereby completing the fat transplantation process.
In any of the above embodiments, preferably, as shown in fig. 1 to 6, further comprising: a filter screen (not shown) disposed in the cavity and forming a filtering space with the cavity; an air interface 25 provided on the cover 20; wherein the first hose 22 extends into the filter space.
In this embodiment, after the purified adipocytes are sucked out, the air interface 25 is opened, impurities such as water and oil are filtered by the filter screen under the control of negative pressure in the tank 10, after the filtration is completed, the air interface 25 is closed, an external negative pressure power source is started, and substances such as water and the like filtered by the filter screen at the bottom of the tank 10 are sucked out through the hose 22 on the negative pressure interface 21.
In any of the above embodiments, preferably, as shown in fig. 4 and 5, the adsorption device 40 includes: the adsorption layer 41 is composed of a plurality of layers of sterile adsorption cotton, is embedded on the cover body 20 and is connected with the stirring device 30, the second hose 26 and the suction interface 24; the filter screen 42 is wrapped outside the adsorption layer 41 to isolate adipose tissues.
In this embodiment, the adsorption device 40 on the cover 20 can invert the primarily purified adipose tissue on the adsorption layer 41 and shake counterclockwise for 2-5 minutes after the negative pressure suction filtration of the adipose tissue is completed, thereby further adsorbing the residual fat, impurities and moisture in the adipose tissue.
In the fat purifying device provided by the invention, a layer of adsorption pad is added in the cavity, and meanwhile, the length of the stirring shaft, the cavity and the filter screen is properly increased by 2 cm, so that liquid is prevented from adhering to the adsorption layer in the stirring process.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A fat refining device, comprising:
a tank body, wherein a cavity suitable for accommodating adipose tissues is formed inside the tank body;
the cover body is connected with the tank body in a sealing way;
the suction interface is arranged on the cover body and sucks the adipose tissues into the tank body through a liposuction tube, a second hose is arranged on the suction interface, and the second hose penetrates through the adsorption device and stretches into the cavity;
the suction interface is arranged on the cover body, and the purified adipose tissues are discharged out of the tank body through the suction interface;
stirring means extending at least partially into the cavity to agitate adipose tissue within the cavity;
the stirring device comprises:
a handle;
the stirring shaft at least partially stretches into the cavity;
the stirring blades are arranged at the part of the stirring shaft extending into the cavity, three stirring blades are arranged, and the included angles formed by two adjacent stirring blades are the same;
the stirring blades are arranged at the part of the stirring shaft extending into the cavity, and the stirring blades are correspondingly arranged at the upper positions of the stirring blades;
the stirring blade is plate-shaped, the stirring blade is fan-shaped, and the plane of the fan-shaped stirring blade and the plane of the stirring shaft are at a preset angle alpha, wherein alpha is more than or equal to 0 and less than 90 degrees;
the adsorption device is connected with the cover body and the stirring device to adsorb residual grease and moisture in the adipose tissues;
the adsorption device includes:
the adsorption layer consists of a plurality of layers of sterile adsorption cotton, is embedded on the cover body and is connected with the stirring device, the second hose and the suction interface;
the filter screen is wrapped outside the adsorption layer and used for isolating adipose tissues;
the cover body is provided with a negative pressure connector, a first hose is arranged on the negative pressure connector, and the end part of the first hose stretches into the bottom of the cavity.
2. The fat purification device of claim 1, wherein: the number of the stirring sheets is four;
the included angles formed by two adjacent stirring sheets are the same, and the two opposite stirring sheets are arranged in a crossing manner on the plane where the stirring sheets are located.
3. The fat purification device of claim 1 or 2, wherein: the tank body is supported on the base.
4. The fat purification device of claim 1 or 2, wherein: the tank body is supported on the supporting surface;
wherein, a plurality of supporting legs with the jar body is integrated into one piece structure.
5. The fat purification device of claim 1 or 2, wherein: further comprises:
the filter screen is arranged in the cavity and forms a filter space with the cavity;
an air interface arranged on the cover body;
wherein the first hose extends into the filter space.
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| CN201910264900.XA CN109925014B (en) | 2019-04-03 | 2019-04-03 | Fat purification device |
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| CN201910264900.XA CN109925014B (en) | 2019-04-03 | 2019-04-03 | Fat purification device |
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| CN109925014A CN109925014A (en) | 2019-06-25 |
| CN109925014B true CN109925014B (en) | 2024-03-22 |
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| CN116478799B (en) * | 2023-05-15 | 2024-05-24 | 上海威高医疗技术发展有限公司 | Adipose tissue purifying device and purifying method |
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