CN211383009U

CN211383009U - Negative pressure drainage device for autologous fat collection

Info

Publication number: CN211383009U
Application number: CN201922249266.0U
Authority: CN
Inventors: 曹卫刚
Original assignee: Hangzhou Dinuo Medical Instrument Co ltd
Current assignee: Hangzhou Dinuo Medical Instrument Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-01
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses an autologous fat collection negative pressure drainage device, including uncovered ware body (1), uncovered ware body (1) top is equipped with end cover (2), and the bottom is equipped with base (3), passes end cover (2) are equipped with pipette (4) and suction nozzle (5) respectively, pipette (4) insert inside uncovered ware body (1), and pipette (4) outside cover has protection tube (6), and the end of protection tube (6) is less than the end of pipette (4), be equipped with primary filter (7) inside uncovered ware body (1) that the liquid outlet of suction nozzle (5) corresponds; the end cover (2) is further provided with a negative pressure connecting hole (8), and a plug (9) is arranged in the negative pressure connecting hole (8). The utility model has the advantages of can be with the autologous fat separation and purification of extraction to obtain the autologous fat of high degree of consistency, high fineness, enable to take out fat operation and go on uninterruptedly in succession, be applicable to the medium-and-large-scale fat operation of taking out.

Description

Negative pressure drainage device for autologous fat collection

Technical Field

The utility model relates to a negative pressure drainage device, in particular to a negative pressure drainage device for autologous fat collection.

Background

When the autologous fat filling operation is carried out, fat needs to be firstly extracted from parts with high autologous fat content, such as the chest, the hip, the thigh and the like, and then is refilled to parts needed by the body, in a small liposuction operation, only a liposuction needle and a needle cylinder are needed because the liposuction amount is not large (generally dozens of milliliters), but for the large liposuction operation, the needle cylinder can be replaced for several times in the operation when the liposuction amount reaches hundreds of milliliters, but the workload is large, the operation is easy to be interrupted when the needle cylinder is replaced, currently, a negative pressure drainage device is gradually applied to the medium-large liposuction operation, one end of the negative pressure drainage device is connected with a device for generating negative pressure, the other end of the negative pressure drainage device is connected with the liposuction needle to be used as an intermediate container, the liposuction operation can be continuously carried out, the fat is collected at one time, but the current negative pressure drainage device still has a plurality of defects, due to the increase of the amount of the extracted fat, the quality of the extracted fat is different, and the fat often has ribs and membranes except blood water, and the ribs and the membranes are mixed together to cause poor uniformity of fat particles, so that the filling requirement cannot be met. Therefore, a negative pressure drainage device for collecting autologous fat, which can obtain fat particles with higher uniformity, is needed to meet the quality requirement of the extracted autologous fat in the fat filling operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative pressure drainage ware is gathered to autologous fat. The method has the advantages that the extracted autologous fat can be separated and purified, so that the autologous fat with high uniformity and high fineness can be obtained, the liposuction operation can be continuously and uninterruptedly carried out, and the method is suitable for medium-large liposuction operations.

The technical scheme of the utility model: a negative pressure drainage device for autologous fat collection comprises an open device body, wherein an end cover is arranged at the top of the open device body, a base is arranged at the bottom of the open device body, a pipette and a suction nozzle are respectively arranged through the end cover, the pipette is inserted into the open device body, a protection pipe is sleeved outside the pipette, the tail end of the protection pipe is lower than that of the pipette, and a primary filter is arranged in the open device body corresponding to a liquid outlet of the suction nozzle; the end cover is also provided with a negative pressure connecting hole, and a plug is arranged in the negative pressure connecting hole.

In the negative pressure drainage device for autologous fat collection, the protection tube is connected with the lower end of the end cover through the small clamping seat, the upper part of the protection tube is provided with a plurality of first openings which are annularly arranged, and the bottom of the protection tube is provided with a plurality of second openings which are annularly arranged.

In the aforementioned negative pressure drainage device for autologous fat collection, the primary filter is connected with the lower end of the end cover through the large clamping seat, the primary filter comprises a cylindrical filter element, a plurality of first slotted holes are uniformly distributed in the upper part of the cylindrical filter element in an annular manner along the circumference of the cylinder, and a plurality of second slotted holes are uniformly distributed in the cylindrical body of the cylindrical filter element below the first slotted holes in an annular manner along the circumference of the cylinder.

In the self-fat collection negative pressure drainage device, the lower end face of the end cover is provided with a circle of sealing port clamped with the opening at the top of the open device body.

In the negative pressure drainage device is gathered to autologous fat, the base is the annular, and uncovered ware body bottom is equipped with a breach on the annular base in embedding annular base.

In the negative pressure drainage device for autologous fat collection, the upper end of the protection tube is provided with the first bayonet which is clamped with the small clamping seat.

In the negative pressure drainage device for autologous fat collection, the upper end of the primary filter is provided with a second bayonet which is clamped with the large clamping seat.

In the aforementioned negative pressure drainage device for autologous fat collection, the number of the first slots is 4.

In the aforementioned negative pressure drainage device for autologous fat collection, the number of the second slots is 24.

Compared with the prior art, the utility model discloses a main part is uncovered ware body and end cover, it is equipped with pipette and suction nozzle respectively to pass the end cover, still be equipped with the negative pressure on the end cover and connect the hole, the pipette inserts uncovered ware body inside, can fill into the normal saline that surpasses the pipette end at uncovered ware body before the operation begins, be arranged in mixing to dissolve the liquid such as bloody water that separates out in the fat, pipette outside cover has the protection tube, and the end of protection tube is less than the end of pipette, because the density of fat is little, fat can float in the liquid upper strata, the setting up of protection tube makes fat can not enter into the space between protection tube and the pipette, also be that there is fat near pipette end mouth of pipe, the pipette only sucks the mixed liquid of normal saline after with liquid such as bloody water in the fat of taking out together, remain all fat in; the utility model discloses the inside elementary filter that is equipped with of uncovered ware body that the liquid outlet of suction nozzle corresponds can be with taking out impurity filtration such as great granule part and muscle, membrane in the fat, and the design through elementary filter, pipette and protection tube makes the utility model discloses can separate the purification with the autologous fat of extraction to obtain the autologous fat of high degree of consistency, high fineness degree, through using the utility model discloses need not to adopt the mode that traditional a plurality of cylinders were changed to gather the fat, the fat can all gather in uncovered ware body, enables the liposuction operation and goes on uninterruptedly in succession, is applicable to medium and large-scale liposuction operation.

Further, the protection tube is connected with the end cover lower extreme through little cassette, the upper portion of protection tube is equipped with the first trompil that a plurality of annular was arranged, first trompil makes the air pressure intensity between protection tube and the pipette keep unanimous with the air pressure in all the other uncovered containers, make the pipette can normal imbibition, the bottom of protection tube is equipped with the second trompil that a plurality of annular was arranged, the setting up of second trompil makes the protection tube press close to uncovered container bottom as far as, paste with uncovered container bottom completely even, thereby guarantee in the difficult space that gets into between protection tube and the pipette of fat.

Further, primary filter is connected with the end cover lower extreme through big cassette, primary filter includes the cylindricality filter core, the upper portion annular equipartition of cylindricality filter core has the first slotted hole that a plurality of was seted up along the cylinder circumferential line, first slotted hole plays the effect of balanced atmospheric pressure, the annular equipartition has the second slotted hole that a plurality of was seted up along the cylinder generating line on the shaft of first slotted hole below cylindricality filter core, the second slotted hole plays the filtration and takes out the great part of granule in the fat, also can filter non-fat impurity such as muscle, membrane, make the fat granule that obtains finer, the purity is higher.

In addition, a plug is arranged in the negative pressure connecting hole, and when the negative pressure drainage device is not used, the plug is plugged into the negative pressure connecting hole to prevent external impurities from entering the open device body; the lower end face of the end cover is provided with a circle of sealing port clamped with the top opening of the open container body, so that the sealing performance of the end cover and the open container after being matched is high; the base is the annular and is equipped with a breach, and the stability of base is high, and the breach can be used for the location as the reference thing.

To sum up, the utility model has the advantages of can be with the autologous fat separation and purification of extraction to obtain the autologous fat of high degree of consistency, high fineness, enable to take out fat operation and go on uninterruptedly in succession, be applicable to the medium-and-large-scale fat operation of taking out.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a structural cross-sectional view of the end cap;

FIG. 3 is a schematic of the primary filter construction;

FIG. 4 is a sectional view of the structure taken along line B-B of FIG. 3;

FIG. 5 is a sectional view of the structure taken along line A-A of FIG. 3;

fig. 6 is a schematic structural view of a pipette;

fig. 7 is a schematic structural view of the protection tube;

FIG. 8 is a top view of the base;

FIG. 9 is a structural cross-sectional view of the base;

FIG. 10 is a top view of the end cap;

FIG. 11 is a schematic structural view of a small cartridge;

fig. 12 is a schematic structural view of a large cartridge.

Reference numerals: 1-an open vessel body, 2-an end cover, 3-a base, 4-a pipette, 5-a suction nozzle, 6-a protection tube, 7-a primary filter, 8-a negative pressure connecting hole, 9-a plug, 10-a small clamping seat, 11-a large clamping seat, 21-a sealing port, 31-a notch, 61-a first opening, 62-a second opening, 63-a first bayonet, 71-a cylindrical filter element, 72-a first slotted hole, 73-a second slotted hole and 74-a second bayonet.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Example (b): an autologous fat collection negative pressure drainage device is structurally shown in figures 1 to 12 and comprises an open device body 1, wherein an end cover 2 is arranged at the top of the open device body 1, a base 3 is arranged at the bottom of the open device body, a pipette 4 and a suction nozzle 5 are respectively arranged through the end cover 2, the pipette 4 is inserted into the open device body 1, a protection pipe 6 is sleeved outside the pipette 4, the tail end of the protection pipe 6 is lower than that of the pipette 4, and a primary filter 7 is arranged in the open device body 1 corresponding to a liquid outlet of the suction nozzle 5; still be equipped with the negative pressure on the end cover 2 and connect hole 8, the negative pressure connects the downthehole stopper 9 that is equipped with of hole 8, and when the negative pressure drainage ware did not use, the negative pressure was plugged in to stopper 9 and is connected hole 8, prevents that external impurity from getting into in uncovered ware body 1.

The protection tube 6 is connected with the lower end of the end cover 2 through the small clamping seat 10, the upper portion of the protection tube 6 is provided with a plurality of first open holes 61 which are arranged in an equal-height annular mode, the number of the first open holes 61 is 4, the bottom of the protection tube 6 is provided with a plurality of second open holes 62 which are arranged in an equal-height annular mode, and the number of the second open holes 62 is 6.

The primary filter 7 is connected with the lower end of the end cover 2 through a large clamping seat 11, the primary filter 7 comprises a

cylindrical filter element

71, 4 first slotted holes 72 formed along the circumference of a cylinder are annularly and uniformly distributed on the upper part of the cylindrical filter element 71, and 24 second slotted holes 73 formed along the generatrix of the cylinder are annularly and uniformly distributed on the cylinder body of the cylindrical filter element 71 below the first slotted holes 72.

The lower end surface of the end cover 2 is provided with a circle of sealing port 21 clamped with the top opening of the open container body 1; the base 3 is annular, the bottom of the open container body 1 is embedded into the annular base 3, and the annular base 3 is provided with a notch 31; the upper end of the protection tube 6 is provided with a first bayonet 63 clamped with the small clamping seat 10; the upper end of the primary filter 7 is provided with a second bayonet 74 which is engaged with the large holder 11.

The utility model discloses a theory of operation: the utility model is used for medium and large-scale liposuction, in operation, fill into the saline that has not crossed the pipette 4 end in uncovered ware body 1, pull out the stopper 9 in the negative pressure connects the hole 8, and connect the equipment that can produce the negative pressure in the negative pressure and connect the needle tubing of operation in suction nozzle 5 department, under the effect of negative pressure equipment, the fat that draws from the needle tubing falls into primary filter 7, the first slotted hole 72 that sets up along the cylinder circumference line of the annular equipartition in cylindricality filter core 71 upper portion plays the effect of balanced atmospheric pressure, the second slotted hole 73 that sets up along the cylinder generating line of annular equipartition on the cylindricality filter core 71 below the first slotted hole 72, the great part of granule in the fat will be taken out to the second slotted hole 73, and the non-fat impurity such as muscle, membrane filters, liquid such as the blood water in fat of less granule and the fat falls into the uncovered ware body 1 that is equipped with saline, because the density of fat is little, fat can float at the liquid upper strata, and the setting of protection tube 6 makes in the fat can not enter into the space between protection tube 6 and pipette 4, also does not have fat near pipette 4 terminal mouth of pipe, and pipette 4 sucks the mixed liquid after mixing with liquids such as normal saline and blood water in taking out fat under the effect of external suction together to maintain the liquid level at a certain height all the time, under pipette 4 and primary filter 7 effect, the fat that granularity is thinner, purity is higher is accumulated in uncovered ware body 1 gradually.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Claims

1. The utility model provides an autologous fat collection negative pressure drainage ware which characterized in that: the device comprises an open device body (1), wherein an end cover (2) is arranged at the top of the open device body (1), a base (3) is arranged at the bottom of the open device body, a liquid suction pipe (4) and a suction nozzle (5) are respectively arranged through the end cover (2), the liquid suction pipe (4) is inserted into the open device body (1), a protection pipe (6) is sleeved on the outer side of the liquid suction pipe (4), the tail end of the protection pipe (6) is lower than that of the liquid suction pipe (4), and a primary filter (7) is arranged in the open device body (1) corresponding to a liquid outlet of the; the end cover (2) is further provided with a negative pressure connecting hole (8), and a plug (9) is arranged in the negative pressure connecting hole (8).

2. The autologous fat collection negative pressure drainage device of claim 1, wherein: protection tube (6) are connected with end cover (2) lower extreme through little cassette (10), and the upper portion of protection tube (6) is equipped with first trompil (61) that a plurality of annular was arranged, and the bottom of protection tube (6) is equipped with second trompil (62) that a plurality of annular was arranged.

3. The autologous fat collection negative pressure drainage device of claim 1, wherein: the primary filter (7) is connected with the lower end of the end cover (2) through a large clamping seat (11), the primary filter (7) comprises a cylindrical filter element (71), a plurality of first slotted holes (72) formed along the circumferential line of a cylinder are uniformly distributed in the upper portion of the cylindrical filter element (71) in an annular mode, and a plurality of second slotted holes (73) formed along the bus of the cylinder are uniformly distributed in the cylindrical body of the cylindrical filter element (71) below the first slotted holes (72) in an annular mode.

4. The autologous fat collection negative pressure drainage device of claim 1, wherein: the lower end face of the end cover (2) is provided with a circle of sealing port (21) which is clamped with the top opening of the open device body (1).

5. The autologous fat collection negative pressure drainage device of claim 1, wherein: the base (3) is annular, and in the annular base (3) was embedded to uncovered ware body (1) bottom, be equipped with a breach (31) on annular base (3).

6. The autologous fat collection negative pressure drainage device of claim 2, wherein: the upper end of the protection tube (6) is provided with a first bayonet (63) clamped with the small clamping seat (10).

7. The autologous fat collection negative pressure drainage device of claim 3, wherein: the upper end of the primary filter (7) is provided with a second bayonet (74) clamped with the large clamping seat (11).

8. The autologous fat collection negative pressure drainage device of claim 3, wherein: the number of the first slotted holes (72) is 4.

9. The autologous fat collection negative pressure drainage device of claim 3, wherein: the number of the second slotted holes (73) is 24.