CN110772672B - Liposuction device - Google Patents

Liposuction device Download PDF

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Publication number
CN110772672B
CN110772672B CN201910956207.9A CN201910956207A CN110772672B CN 110772672 B CN110772672 B CN 110772672B CN 201910956207 A CN201910956207 A CN 201910956207A CN 110772672 B CN110772672 B CN 110772672B
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CN
China
Prior art keywords
needle tube
layer needle
liposuction
layer
negative pressure
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Active
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CN201910956207.9A
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Chinese (zh)
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CN110772672A (en
Inventor
祁俊
吴杨炀
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Affiliated Hospital of Nantong University
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Affiliated Hospital of Nantong University
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Priority to CN201910956207.9A priority Critical patent/CN110772672B/en
Publication of CN110772672A publication Critical patent/CN110772672A/en
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Publication of CN110772672B publication Critical patent/CN110772672B/en
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    • A61M1/0023—
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/74—Suction control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/83—Tube strippers, i.e. for clearing the contents of the tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84—Drainage tubes; Aspiration tips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743—Type of operation; Specification of treatment sites
    • A61B2017/00792—Plastic surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow

Abstract

The invention discloses a liposuction device, which comprises a liposuction needle; the liposuction needle comprises a hollow outer-layer needle tube, a hollow inner-layer needle tube and a guide wire; the inner-layer needle tube extends into the outer-layer needle tube from the rear end of the outer-layer needle tube, and the outer wall of the inner-layer needle tube is hermetically attached to the inner wall of the outer-layer needle tube; the front end of the guide wire penetrates through the guide wire hole and extends into the inner layer needle tube, and the rear end of the guide wire is connected with an operating handle; the front end of the guide wire is provided with an anti-blocking unit; the guide wire is connected with the inner wall of the inner-layer needle tube through a sealing film; the side wall of the front part of the outer-layer needle tube is provided with a first liposuction hole; a second liposuction hole is formed in the side wall of the front part of the inner-layer needle tube; the first liposuction hole and the second liposuction hole are waist-shaped holes, and the tail end of the outer-layer needle tube is provided with a rotating ring which is rotationally connected with the outer-layer needle tube; the tail part of the outer-layer needle tube is also provided with a pointer; the rotating ring is in threaded connection with the outside of the rear part of the inner-layer needle tube. The invention can be used for fat absorption at different parts and has better anti-blocking function.

Description

Liposuction device
Technical Field
The invention relates to the technical field of shaping, in particular to a liposuction device.
Background
The liposuction for plastic surgery is a surgical operation which removes the subcutaneous fat deposited locally in the human body after pretreatment by using the physical and chemical means such as negative pressure suction and/or ultrasonic waves, high-frequency electric field, etc. through a small skin incision or puncture and combines the techniques of fat particle injection transplantation, etc. to improve the body.
The most common and effective liposuction instrument at present is a negative pressure suction type liposuction instrument, and the common operation steps are as follows: after injecting swelling liquid into the region to be pumped where the fat of the patient is accumulated, a doctor stretches the liposuction tube into the subcutaneous fat layer, holds the liposuction tube by the hand of the doctor to reciprocate on the subcutaneous fat layer of the patient, and the fat flows out from the subcutaneous part of the patient under the suction of the negative pressure of the liposuction machine.
The fat suction holes of the fat suction needles with different models are different in size, the fat suction needles with different models need to be selected by the existing fat suction instrument aiming at different positions, and the negative pressure cannot be visually observed from the fat suction needles to be adjusted.
Disclosure of Invention
The invention aims to provide a fat suction device which can be used for sucking fat at different parts and has a good anti-blocking function.
In order to solve the technical problems, the invention adopts the following technical scheme: a liposuction device comprises a liposuction needle; the liposuction needle comprises a hollow outer-layer needle tube, a hollow inner-layer needle tube and a guide wire; the front end of the outer-layer needle tube is closed, and the rear end of the outer-layer needle tube is opened; the inner-layer needle tube extends into the outer-layer needle tube from the rear end of the outer-layer needle tube, and the outer wall of the inner-layer needle tube is hermetically attached to the inner wall of the outer-layer needle tube;
the front end of the inner-layer needle tube is provided with an opening, and the rear end of the inner-layer needle tube is hermetically connected with an end cover; a wire guide hole is formed in the center of the end cover; the front end of the guide wire penetrates through the guide wire hole and extends into the inner-layer needle tube, and the rear end of the guide wire is connected with an operating handle; the front end of the guide wire is provided with an anti-blocking unit;
the guide wire is connected with the inner wall of the inner-layer needle tube through a sealing film;
a first fat absorption hole is formed in the side wall of the front part of the outer-layer needle tube; a second liposuction hole is formed in the side wall of the front part of the inner-layer needle tube; the first liposuction hole and the second liposuction hole are both waist-shaped holes, and the first liposuction hole and the second liposuction hole can be completely overlapped or staggered;
the tail end of the outer-layer needle tube is provided with a rotating ring which is rotationally connected with the outer-layer needle tube; the rotating ring is provided with angle scales; the tail part of the outer-layer needle tube is also provided with a pointer;
the rotating ring is in threaded connection with the outside of the rear part of the inner-layer needle tube.
Furthermore, the outer wall of the inner-layer needle tube is provided with a guide convex edge; the inner wall of the outer-layer needle tube is provided with a guide groove matched with the guide convex edge.
Furthermore, the rear end of the inner-layer needle tube extends out of the outer-layer needle tube, and a negative pressure display assembly is arranged in the area of the inner-layer needle tube, which is positioned outside the outer-layer needle tube; the negative pressure display assembly comprises a closed columnar outer cover communicated with the inner-layer needle tube; a piston body is arranged in the closed columnar outer cover; the cylindrical outer cover is of a transparent structure, and the outer wall of the cylindrical outer cover is provided with scales for measuring the position of the piston body; the piston body is arranged at the top of the columnar outer cover through a return spring.
Furthermore, the tail end of the inner-layer needle tube is provided with a negative pressure adjusting assembly, and the negative pressure adjusting assembly comprises a negative pressure pumping barrel communicated with the inner-layer needle tube and a negative pressure pumping piston arranged in the negative pressure pumping barrel; the negative pressure pumping piston is fixedly arranged at the bottom of the negative pressure pumping rod; the top of the negative pressure pumping rod is connected with a handle; a first one-way valve is arranged on an air passage connecting the negative pressure pumping cylinder and the inner-layer needle tube; the bottom of the negative pressure pumping cylinder is also provided with an exhaust channel and an air inlet channel; the exhaust passage is provided with a second one-way valve; and the air inlet channel is provided with a flow regulating valve.
Furthermore, the liposuction needle is arranged on the liposuction needle positioning device; the liposuction needle positioning assembly is fixed at the liposuction position.
Furthermore, the liposuction needle positioning assembly comprises a baffle plate, a decompression seat, a central sleeve and a fixing unit; four corners of the baffle plate are provided with pressure reducing seats; the middle part of the baffle plate is rotatably connected with the central sleeve; the blocking piece is fixed at the liposuction part through the fixing unit.
Further, the bottom of the decompression seat is provided with an adhesive layer for fixing the liposuction needle positioning assembly on the skin surface.
Furthermore, the baffle comprises cross rods at two ends and a plurality of vertical rods for connecting the cross rods at the two ends; and two sides of the central sleeve are respectively hinged with the two vertical rods in the middle.
Furthermore, a locking assembly is arranged on the central sleeve; the locking assembly locks the nut; two ends of the central sleeve are provided with screw rods which are in threaded connection with the locking nuts; and through holes for the screw to pass through are formed in the two vertical rods in the middle of the separation blade.
Furthermore, the anti-blocking unit comprises arc-shaped flexible stirring fins symmetrically arranged on two sides of the guide wire.
The invention has the beneficial effects that:
1) the invention adjusts the size of the liposuction hole through the matching of the outer layer needle tube and the inner layer needle tube, so that the liposuction device can be applied to different parts of a body.
2) The anti-blocking stirring fin is arranged at the front section of the guide wire, the stirring fin is of a flexible structure, can extend out of the inner layer needle tube or extend into the inner layer needle tube through the movement of the guide wire, the stirring fin moves, and the guide wire can rotate slightly, so that the blocking of a liposuction device can be avoided.
3) The liposuction device can observe the size of the negative pressure.
4) The liposuction device can conveniently adjust the negative pressure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the liposuction needle of the present invention.
Fig. 2 is an enlarged view of a in fig. 1.
FIG. 3 is a schematic view of the structure of the positioning assembly of the liposuction needle.
Fig. 4 is a schematic view of the connection of the baffle plate to the center sleeve.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description.
Example 1
As shown in fig. 1-2, a liposuction device according to the present invention includes a liposuction needle; the liposuction needle comprises a hollow outer-layer needle tube 1, a hollow inner-layer needle tube 2 and a guide wire 3; the front end of the outer-layer needle tube 1 is closed, and the rear end is opened; the inner-layer needle tube 2 extends into the outer-layer needle tube 1 from the rear end of the outer-layer needle tube, and the outer wall of the inner-layer needle tube 2 is hermetically attached to the inner wall of the outer-layer needle tube 1;
the front end of the inner-layer needle tube 2 is opened, and the rear end is connected with an end cover 4 in a sealing way; a wire guide hole is formed in the center of the end cover 4; the front end of the guide wire 3 passes through the guide wire hole and extends into the inner-layer needle tube 2, and the rear end of the guide wire is connected with an operating handle; the front end of the guide wire 3 is provided with an anti-blocking unit; the anti-blocking unit comprises arc-shaped flexible stirring fins 5 symmetrically arranged on two sides of the guide wire. The guide wire is connected with the inner wall of the inner-layer needle tube 2 through a sealing film 6; the sealing film 6 is a flexible film and can slightly stretch, the guide wire can move back and forth and slightly rotate, the stirring fin 5 can rotate or move, and the blocking part at the front section of the liposuction device is treated.
A first liposuction hole 26 is formed in the side wall of the front part of the outer-layer needle tube 1; a second liposuction hole 7 is formed in the side wall of the front part of the inner-layer needle tube 2; the first liposuction hole 26 and the second liposuction hole 7 are both waist-shaped holes, and the first liposuction hole 26 and the second liposuction hole 7 can be completely overlapped or completely staggered; the tail end of the outer needle tube is provided with a rotating ring 8 which is rotationally connected with the outer needle tube; the rotating ring 8 is provided with angle scales; the tail part of the outer-layer needle tube is also provided with a pointer 9. The rotating ring 8 is screwed with the outside of the rear part of the inner-layer needle tube 2.
The rear end of the inner-layer needle tube 2 is provided with a threaded area 10, the rotating ring 8 is in threaded connection with the threaded area 10, and the outer wall of the inner-layer needle tube 2 is provided with a guide convex edge; the inner wall of the outer-layer needle tube 1 is provided with a guide groove matched with the guide convex edge. The outer layer needle tube 1 and the inner layer needle tube 2 can not relatively rotate, the rotating ring 8 is rotated, and the inner layer needle tube 2 linearly moves in the outer layer needle tube 1, so that the second liposuction hole 7 and the first liposuction hole 26 are completely staggered or partially overlapped, and the size of partial overlapping is adjusted.
The rear end of an inner-layer needle tube 2 extends out of an outer-layer needle tube 1, and a negative pressure display assembly is arranged in the area, located outside the outer-layer needle tube, of the inner-layer needle tube 2; the negative pressure display assembly comprises a closed columnar outer cover 11 communicated with the inner-layer needle tube 2; a piston body 12 is arranged in the closed columnar outer cover 11; the cylindrical outer cover 11 is of a transparent structure, and the outer wall of the cylindrical outer cover is provided with scales for measuring the position of the piston body; the piston body 12 is mounted on the top of the cylindrical housing by a return spring. When the negative pressure is increased, the piston body moves downwards under the action of the negative pressure, and when the negative pressure is reduced, the piston body moves upwards under the action of the return spring.
The tail end of the inner-layer needle tube is provided with a negative pressure adjusting assembly, and the negative pressure adjusting assembly comprises a negative pressure pumping barrel 13 communicated with the inner-layer needle tube and a negative pressure pumping piston 14 arranged in the negative pressure pumping barrel; the negative pressure pumping piston 14 is fixedly arranged at the bottom of the negative pressure pumping rod 15; the top of the negative pressure pumping rod 15 is connected with a handle 16; a first one-way valve 18 is arranged on an air channel 17 connecting the negative pressure pumping cylinder 13 and the inner-layer needle tube 2 (so that air can only enter the negative pressure pumping cylinder 13 from the inner-layer tube body); the bottom of the negative pressure pumping cylinder 13 is also provided with an exhaust channel 19 and an air inlet channel 20; the exhaust channel 19 is provided with a second one-way valve 21 (so that air can only be exhausted from the negative pressure pumping cylinder 13); the intake passage 20 is provided with a flow rate regulating valve 22. The air inflow is adjusted, and when the negative pressure is too large, the air enters the negative pressure pumping barrel 13 through the adjustment of the flow adjusting valve 22, so that the negative pressure is reduced.
Example 2
The liposuction needle is arranged on the liposuction needle positioning device; as shown in fig. 3-4, the liposuction needle positioning assembly is secured to a liposuction site. The liposuction needle positioning assembly comprises a baffle 31, a decompression seat 32, a central sleeve 33 and a fixing unit 34; four corners of the baffle 31 are provided with pressure reducing seats 32; the middle part of the baffle 31 is rotatably connected with a central sleeve 33; the baffle 31 is fixed at the liposuction position through a fixing unit 34. The bottom of the decompression seat is provided with an adhesive layer (fixing unit) for fixing the liposuction needle positioning component on the surface of the skin.
The baffle 31 of the invention comprises cross bars at two ends and a plurality of vertical bars for connecting the cross bars at two ends; and two sides of the central sleeve are respectively hinged with the two vertical rods in the middle. The central sleeve 33 is provided with a locking assembly; the locking assembly locking nut 35; two ends of the central sleeve are provided with screw rods 36 which are in threaded connection with the locking nuts; and through holes for the screw to pass through are formed in the two vertical rods in the middle of the separation blade.
The locking nut 35 is adjusted, the angle of the central sleeve 33 is adjusted, then the angle of the central sleeve 33 is fixed through adjusting the locking nut 35, the liposuction needle extends into the central sleeve 33 to be operated, and the baffle can effectively protect the skin and reduce friction.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.

Claims (5)

1. A liposuction device, characterized in that: comprises a liposuction needle; the liposuction needle comprises a hollow outer-layer needle tube, a hollow inner-layer needle tube and a guide wire; the front end of the outer-layer needle tube is closed, and the rear end of the outer-layer needle tube is opened; the inner-layer needle tube extends into the outer-layer needle tube from the rear end of the outer-layer needle tube, and the outer wall of the inner-layer needle tube is hermetically attached to the inner wall of the outer-layer needle tube;
the front end of the inner-layer needle tube is provided with an opening, and the rear end of the inner-layer needle tube is hermetically connected with an end cover; a wire guide hole is formed in the center of the end cover; the front end of the guide wire penetrates through the guide wire hole and extends into the inner-layer needle tube, and the rear end of the guide wire is connected with an operating handle; the front end of the guide wire is provided with an anti-blocking unit; the guide wire is connected with the inner wall of the inner-layer needle tube through a sealing film;
a first fat absorption hole is formed in the side wall of the front part of the outer-layer needle tube; a second liposuction hole is formed in the side wall of the front part of the inner-layer needle tube; the first liposuction hole and the second liposuction hole are both waist-shaped holes, and the first liposuction hole and the second liposuction hole can be completely overlapped or staggered;
the tail end of the outer-layer needle tube is provided with a rotating ring which is rotationally connected with the outer-layer needle tube; the rotating ring is provided with angle scales; the tail part of the outer-layer needle tube is also provided with a pointer;
the rotating ring is in threaded connection with the outside of the rear part of the inner-layer needle tube;
the liposuction needle is arranged on the liposuction needle positioning component; the liposuction needle positioning assembly is fixed at the liposuction position;
the liposuction needle positioning assembly comprises a separation blade, a decompression seat, a central sleeve and a fixing unit; four corners of the baffle plate are provided with pressure reducing seats; the middle part of the baffle plate is rotatably connected with the central sleeve; the baffle plate is fixed at the liposuction part through the fixing unit; the central sleeve is provided with a locking assembly; the locking assembly locks the nut; two ends of the central sleeve are provided with screw rods which are in threaded connection with the locking nuts; through holes for the screw to pass through are formed in the two vertical rods in the middle of the baffle plate;
the rear end of the inner-layer needle tube extends out of the outer-layer needle tube, and a negative pressure display assembly is arranged in the area of the inner-layer needle tube, which is positioned outside the outer-layer needle tube; the negative pressure display assembly comprises a closed columnar outer cover communicated with the inner-layer needle tube; a piston body is arranged in the closed columnar outer cover; the cylindrical outer cover is of a transparent structure, and the outer wall of the cylindrical outer cover is provided with scales for measuring the position of the piston body; the piston body is arranged at the top of the columnar outer cover through a return spring;
the tail end of the inner-layer needle tube is provided with a negative pressure adjusting assembly, and the negative pressure adjusting assembly comprises a negative pressure pumping barrel communicated with the inner-layer needle tube and a negative pressure pumping piston arranged in the negative pressure pumping barrel; the negative pressure pumping piston is fixedly arranged at the bottom of the negative pressure pumping rod; the top of the negative pressure pumping rod is connected with a handle; a first one-way valve is arranged on an air passage connecting the negative pressure pumping cylinder and the inner-layer needle tube; the bottom of the negative pressure pumping cylinder is also provided with an exhaust channel and an air inlet channel; a second one-way valve is arranged on the exhaust channel; and the air inlet channel is provided with a flow regulating valve.
2. A liposuction device according to claim 1, wherein: the outer wall of the inner-layer needle tube is provided with a guide convex edge; the inner wall of the outer-layer needle tube is provided with a guide groove matched with the guide convex rib.
3. A liposuction device according to claim 1, wherein: the bottom of the decompression seat is provided with an adhesive layer for fixing the liposuction needle positioning assembly on the surface of the skin.
4. A liposuction device according to claim 1, wherein: the blocking piece comprises cross rods at two ends and a plurality of vertical rods for connecting the cross rods at the two ends; and two sides of the central sleeve are respectively hinged with the two vertical rods in the middle.
5. A liposuction device according to claim 1, wherein: the anti-blocking unit comprises arc-shaped flexible stirring fins symmetrically arranged on two sides of the guide wire.
CN201910956207.9A 2019-10-10 2019-10-10 Liposuction device Active CN110772672B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910956207.9A CN110772672B (en) 2019-10-10 2019-10-10 Liposuction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910956207.9A CN110772672B (en) 2019-10-10 2019-10-10 Liposuction device

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Publication Number Publication Date
CN110772672A CN110772672A (en) 2020-02-11
CN110772672B true CN110772672B (en) 2022-07-12

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Publication number Priority date Publication date Assignee Title
KR100899868B1 (en) * 2007-01-26 2009-05-29 가톨릭대학교 산학협력단 Not-occlusive closed suction drain with irrigation function
CN201047789Y (en) * 2007-05-11 2008-04-16 东辉塑胶（上海）有限公司 Micro-gas-pressure indicator
CN201596152U (en) * 2009-12-30 2010-10-06 徐晓荣 Hand-held piston sputum suction apparatus
CN202387027U (en) * 2011-12-12 2012-08-22 艾仕文 Drainage apparatus for thoracic cavity puncture
CN202393544U (en) * 2011-12-12 2012-08-22 天津市岳泰创新科技服务有限公司 Pressure meter convenient to observe
CN104274868B (en) * 2013-07-11 2017-06-13 宁波市海曙思力德贸易有限公司 A kind of drainage kit
CN208372188U (en) * 2017-07-21 2019-01-15 重庆星宸整形美容医院有限公司 A kind of novel fat suction needle

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