阅读说明：本技术 一种利于脂肪移植的脂肪提纯方法 (Fat purification method beneficial to fat transplantation ) 是由 余春焰 于 2019-11-16 设计创作，主要内容包括：本发明公开了一种利于脂肪移植的脂肪提纯方法,该脂肪提纯方法包括以下步骤：S1：将提取的脂肪组织液取适量从加料口加入内罐中；S2：打开电机使内罐进行转动,对脂肪组织液做离心处理；S3：从排水口排出底层水份；S4：通过吸管对中层纯化脂肪进行吸取,得到高纯度的脂肪。本发明通过内罐底部设置的梳齿板对纤维组织块和较大血块进行收集,集中去除,结构简单、便于操作,节省脂肪提纯时间,提升提纯效率。(The invention discloses a fat purification method beneficial to fat transplantation, which comprises the following steps: s1: adding an appropriate amount of the extracted adipose tissue fluid into the inner tank from a charging port; s2: turning on a motor to rotate the inner tank, and centrifuging the adipose tissue fluid; s3: draining the water from the bottom layer through the drainage port; s4: sucking the purified fat in the middle layer by a suction pipe to obtain the high-purity fat. The invention collects and intensively removes fibrous tissue blocks and large blood clots through the comb plate arranged at the bottom of the inner tank, has simple structure and convenient operation, saves the fat purification time and improves the purification efficiency.)

1. A fat purification method facilitating fat transplantation, comprising the steps of:

s1: adding a proper amount of the extracted adipose tissue fluid into the inner tank (2) from a feeding port (9);

s2: turning on the motor (3) to rotate the inner tank (2) and centrifuging the adipose tissue fluid;

s3: draining the substrate water from the drain opening (14);

s4: sucking the purified fat in the middle layer by a suction pipe to obtain the high-purity fat.

2. The method for purifying fat favorable for fat transplantation according to claim 1, wherein in step S1, physiological saline and an activating agent are added to the extracted adipose tissue fluid to maintain the activity of the adipose tissue fluid while the adipose tissue fluid is washed to increase the purity of fat.

3. The method of purifying fat for facilitating fat transplantation according to claim 1, wherein in step S3, moisture in the tissue fluid is precipitated to the bottom of the inner vessel (2) due to centrifugal motion, the drainage port (14) is opened to drain excess moisture, and fat particles are filtered through the permeable membrane (17) until the moisture is completely drained.

4. The method for purifying fat favorable for fat transplantation according to claim 1 or 3, wherein in the step S2, the separation of water, excessive grease and fat particles in tissue fluid is accelerated in the centrifugation process, and meanwhile, a comb plate is arranged at the bottom of the inner tank to collect and intensively remove fibrous tissue blocks and large blood blocks.

5. A fat purification method for facilitating fat transplantation according to claims 1-4, wherein in step S4, the layered liquid level of the inner tank is observed through a sight glass, the excess fat in the upper layer after the upper layer is centrifuged by the first suction tube is sucked, and the rest is pure fat particles.

6. A method for purifying fat favorable for fat transplantation according to claim 1 or 3, wherein a permeable membrane (17) is provided at the water discharge port (14).

7. The method of claim 1, wherein the purified fat particles are sucked by a second suction tube.

Technical Field

The invention belongs to the technical field of fat transplantation, and particularly relates to a fat purification method beneficial to fat transplantation.

Background

Fat transplantation refers to sucking excessive fat from fat-rich parts such as waist, abdomen, thigh, etc., standing or isolating to obtain large amount of granular fat, and injecting into desired parts; at present, fat transplantation generally adopts a liposuction needle to suck out fat by negative pressure liposuction, then a standing method or a filter screen is used for filtering the fat, and finally fat injection is carried out on a fat injection part.

At the present stage, the fat is purified by adopting manual methods such as a standing method or a filter screen filtering method, on one hand, the filter screen cannot filter larger tissue blocks, so that the purity of fat purification is low, on the other hand, the filtering method is long in time consumption and low in purification efficiency, and in addition, a plurality of tools or containers are required in the whole separation process, the operation process is complicated, the probability of fat pollution is increased, and the fat transplantation curative effect is influenced.

The existing chinese patent application 201910264900.X discloses a fat purification device, comprising: a tank body, wherein a cavity suitable for containing adipose tissues is formed inside the tank body; the cover body is hermetically connected with the tank body; a stirring device at least partially extending into the cavity to crush adipose tissues in the cavity; the adsorption device is connected with the cover body and the stirring device so as to adsorb residual grease and water in the adipose tissues; 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.

The existing chinese patent application 201910215971.0 is directed to a high-efficiency and fast fat purification device and a method for using the same, wherein the high-efficiency and fast fat purification device comprises: the fat tissue box is formed into a cuboid box body, and a cavity suitable for containing fat tissues is formed inside the box body; the cover body is arranged on the box body in a covering manner; the collecting basket is embedded in the cavity, and a gap is formed between the collecting basket and the inner wall of the box body; the adsorption device is arranged in the gap to adsorb residual grease and water in the adipose tissues; wherein, the bottom of box is equipped with suction interface and waste liquid interface to make adipose tissue and remaining grease and moisture can be followed suction interface and waste liquid interface discharge respectively.

In the prior art, fat is purified in an adsorption mode, residual oil and water in the fat are adsorbed in a direct adsorption mode, the adsorption time is long, and the efficiency is low; meanwhile, the fat should not be completely absorbed, which affects the purity of the fat; on the other hand, the large tissue block or blood clot cannot be removed by adsorption.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a fat purification method beneficial to fat transplantation, which collects fibrous tissue blocks and large blood clots through a comb plate arranged at the bottom of an inner tank and intensively removes the fibrous tissue blocks and the large blood clots; centrifuging to make water in tissue fluid precipitate to the bottom of the inner tank, opening the water outlet, discharging excessive water, and filtering fat particles through the permeable membrane until water is discharged; sucking the redundant grease on the upper layer after the upper layer is centrifuged through a first suction pipe, sucking the purified fat particles through a second suction pipe, wherein the rest is pure fat particles; convenient operation, high purification efficiency and high fat purity.

The invention provides the following technical scheme:

a fat purification method beneficial to fat transplantation comprises the following steps:

s1: adding an appropriate amount of the extracted adipose tissue fluid into the inner tank from a charging port;

s2: turning on a motor to rotate the inner tank, and centrifuging the adipose tissue fluid;

s3: draining the water from the bottom layer through the drainage port;

s4: sucking the purified fat in the middle layer by a suction pipe to obtain the high-purity fat.

Preferably, in step S1, physiological saline is added to the extracted adipose tissue fluid to maintain the activity of the adipose tissue fluid, and the adipose tissue fluid is washed to increase the fat purity.

Preferably, in step S2, during the centrifugation, the separation of moisture, excess grease, and fat particles in the tissue fluid is accelerated, and the fiber tissue mass and the large blood mass are collected and intensively removed by the comb plate disposed at the bottom of the inner tank.

Preferably, in step S3, moisture in the tissue fluid is precipitated to the bottom of the inner tank due to centrifugal motion, the drain port is opened, excess moisture is discharged, and the fat particles are filtered through the permeable membrane until the moisture is completely discharged.

Preferably, in step S4, the layered liquid level of the inner tank is observed through a sight glass, the upper layer of the excess fat is sucked up through a first suction pipe after the upper layer is centrifuged, the rest is pure fat particles, and the purified fat particles are sucked up through a second suction pipe.

Preferably, in step S1, physiological saline is added to a concentration of 0.85-0.9%.

The invention also discloses a device for purifying the fat, which is beneficial to fat transplantation; comprises a shell and a motor; an inner tank is arranged in the shell, and at least one annular sliding groove is formed in the inner wall of the shell; a sliding ring is arranged on the outer wall of the inner tank and is in matched sliding connection with the sliding groove; the bottom of the shell is provided with a motor, and a transmission shaft of the motor penetrates through the shell; the top of the shell is provided with an outer cover, a fixing plate is embedded in the outer cover, the fixing plate is connected with a first suction pipe and a second suction pipe in a penetrating manner, and the bottoms of the first suction pipe and the second suction pipe are both connected with a sucker; a fixed rod is arranged at the center of the bottom of the inner tank, and a plurality of comb plates are arranged on the fixed rod; the bottom of the shell is provided with a plurality of support rods.

Preferably, the sucker is cylindrical, and the inside of the sucker is of a hollow structure; the sucking disc is inside to be equipped with the baffle, the top of baffle is the upper plenum, and the below of baffle is lower cavity.

Preferably, the part of the slip ring, which is in matched sliding contact with the sliding chute, is a smooth surface, the surface roughness Ra of the smooth surface is 0.2-1.6 microns, and the hardness Y is HRC 52-63. In order to further improve the sliding effect and reduce the resistance, the surface roughness Ra and the hardness Y of the smooth surface satisfy the following conditions:

Ra＝β·Y^1/3+Ra0；

wherein, the Ra0 bit basic surface roughness ranges from 0.1 to 0.5 micron, and β is the surface roughness coefficient, which ranges from 0.03 to 0.29.

Preferably, the upper cavity is communicated with the first suction pipe, and the lower cavity is communicated with the second suction pipe; a plurality of through holes are formed in the upper surface and the lower surface of the sucker.

Preferably, the inner tank is of an open structure, and the transmission shaft is rotatably connected with the outer side of the bottom of the inner tank through a bearing.

Preferably, a water outlet is formed in the side wall, close to the bottom, of the inner tank, and a permeable membrane is arranged at the water outlet.

Preferably, the first suction pipe and the second suction pipe are both connected with the fixing plate in a sliding manner.

Preferably, the surface of the outer cover is embedded with a feed inlet and a viewing mirror.

Preferably, the permeable membrane is provided with pores larger than water molecules and smaller than fat particles, and excess water after layering can be completely discharged through the water discharge holes, so that the fat purity is further improved.

Preferably, in order to further improve the purity and the fat activity of the fat particles, the diameter d of the inner tank ranges from 10 cm to 20 cm; the volume V (unit is cubic centimeter) of the inner tank and the diameter d of the inner tank satisfy that V/d is more than or equal to 180 and less than or equal to 314.

Preferably, in order to increase the activity of the fat particles and further improve the purity of the fat particles, and facilitate layering, the value range of the motor speed n is 500-1000 rpm; the rotating speed n of the motor, the angular speed w of the belt pulley, the diameter d of the inner tank and the centrifugal time t meet the following relations:

d＝α·(n/wt)^1/2·(V/π)；

in the above formula, α is a relation factor value range of 0.56-3.264;

d is in centimeters; n is rpm, and w is rad/s; t is in seconds; v is in cm³(ii) a Pi is a constant circumference ratio.

Preferably, for better fat purification, the following relationship is satisfied among the inner tank diameter d, the motor speed n, the surface roughness Ra of the smooth surface and the hardness Y:

n＝λ·[Y/(d·Ra)]；

wherein, the lambda is the motor rotation speed coefficient and the value range is 16.5-489.6.

In addition, in the process of fat extraction, the mode that the external suction pump of first straw and second straw is connected can be adopted and the extraction, the unnecessary grease and the pure fat granule after can adopting the needle tubing suction pipe directly to the layering simultaneously.

Compared with the prior art, the invention has the following beneficial effects:

(1) the fat purification method beneficial to fat transplantation collects fibrous tissue blocks and large blood clots through the comb plate arranged at the bottom of the inner tank and intensively removes the fibrous tissue blocks and the large blood clots.

(2) The fat purification method beneficial to fat transplantation, disclosed by the invention, comprises the steps of performing centrifugal motion to enable water in tissue fluid to be precipitated to the bottom of the inner tank, opening the water outlet, discharging redundant water, and filtering fat particles through the permeable membrane until the water is completely discharged.

(3) According to the fat purification method beneficial to fat transplantation, the redundant grease on the upper layer after the upper layer is centrifuged is absorbed through the first suction pipe, the rest is pure fat particles, and the purified fat particles are absorbed through the second suction pipe, so that the fat purity is further improved.

(4) The fat purification method beneficial to fat transplantation has the advantages of simple structure, convenience in operation, saving of fat purification time and improvement of purification efficiency.

(5) According to the fat purification method beneficial to fat transplantation, the relationship between the rotating speed n of the motor and the angular speed w, the diameter d of the inner tank and the centrifugal time t of the belt pulley is limited, so that the activity of fat particles is further increased, the purity of the fat particles is further improved, and layering is facilitated.

(6) According to the fat purification method beneficial to fat transplantation, the relationship between the surface roughness Ra and the hardness Y of the smooth surface is set, so that the sliding effect is further improved, the resistance is reduced, and the fat is purified.

(7) According to the fat purification method beneficial to fat transplantation, the relationship which is satisfied by the diameter d of the inner tank, the rotating speed n of the motor, the surface roughness Ra of the smooth surface and the hardness Y is set, so that fat purification can be better carried out.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a flow chart of a fat purification method advantageous to fat transplantation according to the present invention.

Fig. 2 is a schematic view of the overall structure of the fat purifying apparatus of the present invention.

Fig. 3 is a schematic view of the internal structure of the fat purifying apparatus of the present invention.

Fig. 4 is a partially enlarged schematic view a of the present invention.

Fig. 5 is a schematic view of the structure of the suction cup of the present invention.

In the figure: 1. a housing; 2. an inner tank; 3. a motor; 4. an outer cover; 5. a fixing plate; 6. a first straw; 7. a second straw; 8. an observation mirror; 9. a feed inlet; 10. fixing the rod; 11. a comb plate; 12. a drive shaft; 13. a support bar; 14. a water outlet; 15. a slip ring; 16. a chute; 17. a permeable membrane; 18. a suction cup; 1701. an upper cavity; 1702. a lower cavity; 1703. a through hole; 1704. a separator.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.