CN108030519B - Pneumatic fat sucking device - Google Patents
Pneumatic fat sucking device Download PDFInfo
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- CN108030519B CN108030519B CN201711278365.0A CN201711278365A CN108030519B CN 108030519 B CN108030519 B CN 108030519B CN 201711278365 A CN201711278365 A CN 201711278365A CN 108030519 B CN108030519 B CN 108030519B
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- air
- fat
- liposuction
- pneumatic
- handle
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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- A61M1/0023—
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- 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
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
- A61B2017/00544—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated pneumatically
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- 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
Abstract
The invention discloses a pneumatic fat suction device, which comprises a fat suction handle, a fat suction needle connected to the front end of the fat suction handle, a fat storage barrel communicated with the fat suction needle, and a gas supply device connected to the fat suction handle and driving the fat suction needle to move, wherein the fat storage barrel is provided with a gas inlet; the fat sucking handle comprises a handle outer sleeve, a vibration fat sucking mechanism for driving the fat sucking needle to move, a pneumatic mechanism for providing power for the vibration fat sucking mechanism, a power assisting component connected to the vibration fat sucking mechanism and a Y-shaped joint for connecting the fat sucking needle and the power assisting component; the Y-shaped connector is communicated with the fat sucking needle and the fat storage barrel; the handle outer sleeve is arranged at the outer sides of the vibration fat suction mechanism, the pneumatic mechanism and the power-assisted component, and the pneumatic driving fat suction handle is used for sucking fat of a human body, so that the operation intensity of a doctor in the operation process is reduced, and the operation time is shortened.
Description
Technical Field
The invention relates to the technical field of fat transplantation, in particular to a pneumatic fat suction device.
Background
The liposuction operation is a conventional operation of the medical cosmetology industry and plastic institutions, and has the advantages of large operation share, high safety, good benefit, simple technology and easy grasp. Liposuction has been widely accepted as a method of rapid prototyping and weight loss.
The existing liposuction method has several modes of in-vivo ultrasound, manual negative pressure, electronic resonance and the like, but the ultrasonic electronics have various defects and are slowly eliminated, so that the method is basically not used any more, and the existing longer-use method is the manual negative pressure. However, manual negative pressure liposuction is really a strong physical labor, and the negative pressure liposuction sucks fat into a liposuction needle through the strong negative pressure, and the doctor continuously and reciprocally draws the fat to suck the fat out, so that the doctor needs to continuously and reciprocally draw the fat in the operation for at least 1-2 hours, and the physical strength of the doctor is excessively consumed.
Disclosure of Invention
The invention aims to provide a pneumatic fat suction device, which solves the problem of inconvenient operation of the existing fat suction device.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the pneumatic fat sucking device comprises a fat sucking handle, a fat sucking needle connected to the front end of the fat sucking handle, a fat storage barrel communicated with the fat sucking needle and a gas supply device connected to the fat sucking handle and driving the fat sucking needle to move; the fat sucking handle comprises a handle outer sleeve, a vibration fat sucking mechanism for driving the fat sucking needle to move, a pneumatic mechanism for providing power for the vibration fat sucking mechanism, a power assisting component connected to the vibration fat sucking mechanism and a Y-shaped joint arranged between the fat sucking needle and the power assisting component; the Y-shaped connector is communicated with the fat sucking needle and the fat storage barrel; the handle outer sleeve is arranged on the outer side of the vibration fat suction mechanism, the pneumatic mechanism and the power assisting component.
Through the technical scheme, the pneumatic driving handle is used for sucking fat, so that the physical strength of a user is saved, and misoperation in the fat sucking process is reduced.
Preferably, the pneumatic mechanism comprises an air injection assembly and an air return assembly, wherein the air injection assembly is communicated with an air injection port arranged between the vibration fat suction mechanism and the air supply device, and the air return assembly is communicated with an air exhaust port arranged between the vibration fat suction mechanism and the air supply device.
Preferably, the vibration fat suction mechanism comprises a piston rod, a first limiting piece and a second limiting piece which are fixed at two ends of the piston rod, a movable piston which is connected to the piston rod in a sliding manner and is positioned between the first limiting piece and the second limiting piece, and a sealed cylinder sleeved at the outer side of the movable piston; the second limiting piece is connected with a third elastic piece, the third elastic piece is positioned between the second limiting piece and the movable piston, or the first limiting piece is connected with the third elastic piece, and the third elastic piece is positioned between the first limiting piece and the movable piston; an air inlet, a first air return port and a second air return port are formed in the air cylinder, the air inlet is communicated with the air injection port, and the first air return port and the second air return port are both communicated with the air outlet; the movable piston divides the cylinder into a first chamber and a second chamber; the movable piston is provided with three edges which are the same as the inner diameter of the air cylinder, the movable piston is divided into a first area and a second area by the three edges, the movable piston is respectively provided with a first air inlet and a second air inlet on the first area and the second area, and two side surfaces of the movable piston are respectively provided with a first air outlet communicated with the first air inlet and a second air outlet communicated with the second air inlet; the distance between the first air return opening and the second air return opening is the same as the distance between edges of two ends of the movable piston, the air inlet is positioned at the centers of the first air return opening and the second air return opening, three edges of the movable piston are uniformly distributed, and the edge positioned in the middle is positioned at the center of the movable piston.
Through above-mentioned technical scheme, vibrations fat suction mechanism realizes through gas supply device that the piston drives the piston rod and makes reciprocating motion, and the removal through the piston adjusts the atmospheric pressure in the cylinder, and the drive handle removes so replaces doctor manual fat extraction.
Preferably, the power assisting component comprises a connecting piece connected with the first limiting piece, a first elastic piece sleeved on the connecting piece and a second elastic piece fixed at one end of the second limiting piece, which is far away from the piston rod; the second elastic piece is abutted against the inner wall of the handle outer sleeve.
Preferably, one end of the handle outer sleeve, which is close to the liposuction needle, is connected with a limiting part, and the first elastic piece is limited on the side wall of the limiting part in a movement abutting mode.
Through above-mentioned technical scheme, the first elastic component carries out reciprocating motion through the drive of moving the piston, and its terminal butt is at spacing portion, makes first elastic component produce the compression and possesses restoring force.
Preferably, the first elastic member and the second elastic member are springs.
Preferably, the Y-shaped connector is detachably connected to the front end of the end part of the connecting piece.
Through above-mentioned technical scheme, Y formula connects fat sucking needle and stores fat section of thick bamboo, can dismantle the setting and be convenient for the washing and the disinfection of device.
Preferably, the gas injection assembly includes a gas injection pipe nozzle and a gas injection pipe connected to each other.
Preferably, the air return assembly comprises an air return pipe joint and an air return pipe connected with each other.
The fat sucking method of the pneumatic fat sucking device comprises the following steps:
a first region of the moving piston is defined at the air intake port by a third elastic member;
slowly moving the fat sucking handle to align the fat sucking part for insertion;
when the air inlet faces the first area, air is introduced from the first air inlet hole;
the second area of the movable piston blocks the first air return port, and the air pressure of the first chamber is increased;
the gas pushes the second limiting piece, so as to push the piston rod and drive the liposuction needle to move along the direction deviating from the liposuction needle;
the second air return port is positioned in the second chamber, the pressure difference between the second chamber and the first chamber is increased due to the reduction of air in the second chamber, so that the air pressure of the first chamber is higher than that of the second chamber, and the movable piston moves towards the second chamber;
the movable piston continues to move towards the second chamber until the air inlet is inflated towards the second air inlet hole;
the first area of the movable piston blocks the second air return port, and the air pressure of the second chamber is increased;
the gas pushes the first limiting piece, so as to push the piston rod and drive the liposuction needle to move along the direction facing the liposuction needle;
the above process is repeated to make the liposuction needle realize reciprocating motion, thus finishing liposuction of human body.
Preferably, the liposuction method of the pneumatic liposuction device comprises the following steps:
a second region of the moving piston is defined at the air intake port by a third elastic member;
slowly moving the fat sucking handle to align the fat sucking part for insertion;
the first air return port is positioned in the first chamber, the pressure difference between the first chamber and the second chamber is increased due to the reduction of the air in the first chamber, so that the air pressure in the second chamber is higher than that in the first chamber, and the movable piston moves towards the first chamber;
when the air inlet faces the second area, air is introduced from the second air inlet hole;
the first area of the movable piston blocks the second air return port, and the air pressure of the second chamber is increased;
the gas pushes the first limiting piece, so as to push the piston rod and drive the liposuction needle to move along the direction facing the liposuction needle;
the first air return port is positioned in the first chamber, the pressure difference between the first chamber and the second chamber is increased due to the reduction of air in the first chamber, so that the air pressure of the second chamber is higher than that of the first chamber, and the movable piston moves towards the first chamber;
the movable piston continues to move towards the first chamber until the air inlet is inflated towards the first air inlet hole;
the second area of the movable piston blocks the first air return port, and the air pressure of the first chamber is increased;
the gas pushes the second limiting piece, so as to push the piston rod and drive the liposuction needle to move along the direction deviating from the liposuction needle;
the second air return port is positioned in the second chamber, the pressure difference between the second chamber and the first chamber is increased due to the reduction of the air in the second chamber, so that the air pressure in the first chamber is higher than that in the second chamber, and the movable piston moves towards the second chamber;
the above process is repeated to make the liposuction needle realize reciprocating motion, thus finishing liposuction of human body.
The method of the invention has the following advantages:
the invention uses the pneumatic driving liposuction handle to suck fat to human body, reduces the operation strength of doctors in the operation process and shortens the operation time.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a pneumatic liposuction device.
Fig. 2 is a schematic diagram of the internal structure of the pneumatic fat suction handle.
Fig. 3 is a schematic diagram of the internal structure of the pneumatic fat suction handle.
Fig. 4 is a schematic illustration of the internal cylinder of the pneumatic liposuction handle.
Fig. 5 is a schematic diagram II of the internal cylinder of the pneumatic liposuction handle.
Reference numerals: 1. a liposuction handle; 11. a handle outer sleeve; 111. a limit part; 12. vibrating the fat sucking mechanism; 121. a piston rod; 122. a first limiting member; 123. a second limiting piece; 124. moving the piston; 1241. an edge; 1242. a first region; 1243. a second region; 1244. a first air inlet hole; 1245. a second air inlet hole; 1246. a first air outlet hole; 1247. a second air outlet hole; 125. a cylinder; 1251. an air inlet; 1252. a first return port; 1253. a first return port; 126. a first chamber; 127. a second chamber; 128. a third elastic member; 13. a pneumatic mechanism; 131. an air injection assembly; 1311. a gas injection pipe joint mouth; 1312. an air injection pipe; 132. an air return assembly; 1321. a return air pipe joint mouth; 1322. an air return pipe; 14. a power assisting component; 141. a connecting piece; 142. a first elastic member; 143. a second elastic member; 15. a Y-type joint; 151. a mounting hole; 152. a connection part; 2. a liposuction needle; 3. a fat storage cylinder; 4. a gas supply device; 41. an air injection port; 42. and an exhaust port.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Example 1
Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
A pneumatic fat sucking device, see figure 1, comprising a fat sucking handle 1, a fat sucking needle 2 connected to the front end of the fat sucking handle 1, a fat storage cylinder 3 communicated with the fat sucking needle 2 to hold fat extracted from human body, and a gas supply device 4 connected to the fat sucking handle 1 to provide power to drive the fat sucking needle 2 to move. The device utilizes compressed gas to drive the liposuction needle 2 to do reciprocating motion, and realizes that the gas drives the liposuction handle 1 to extract fat of a human body.
Referring to fig. 2, the liposuction handle 1 mainly comprises a handle outer sleeve 11, a vibration liposuction mechanism 12 for driving the liposuction needle 2 to move, a pneumatic mechanism 13 for providing power for the vibration liposuction mechanism 12, a power assisting component 14 connected to the vibration liposuction mechanism 12, and a Y-shaped joint 15 arranged between the liposuction needle 2 and the power assisting component 14.
The handle outer sleeve 11 is arranged outside the vibration liposuction mechanism 12, the pneumatic mechanism 13 and the booster 14.
The Y-joint 15 includes a mounting hole 151 communicating with the liposuction needle 2 and a connection portion 152 provided at a side wall thereof and communicating with the mounting hole 151 to communicate with the fat storage barrel 3, and fat flows into the fat storage barrel 3 entirely through the mounting hole 151 during fat extraction. The cross section of the connecting piece 141 is elliptical, a limiting part 111 is arranged at the front end cover of the handle outer sleeve 11, and the limiting part 111 limits the power assisting component 14.
The pneumatic mechanism 13 comprises an air injection assembly 131 and an air return assembly 132, wherein the air injection assembly 131 is communicated with an air injection port 41 arranged between the vibration fat suction mechanism 12 and the air supply device 4, and the air return assembly 132 is communicated with an air exhaust port 42 arranged between the vibration fat suction mechanism 12 and the air supply device 4. The air injection component 131 introduces air into the vibration fat suction mechanism 12, the compressed air is used as power to drive the vibration fat suction mechanism 12 to reciprocate, and finally, the air return component 132 discharges redundant air.
The gas injection assembly 131 includes a gas injection nozzle 1311 and a gas injection tube 1312 connected to each other, and the gas injection nozzle 1311 is a gas path quick-connect nozzle. The return air assembly 132 includes a return air pipe nozzle 1321 and a return air pipe 1322 connected to each other, wherein the return air pipe nozzle 1321 is a quick-connection air path nozzle.
Referring to fig. 2-5, the vibration fat suction mechanism 12 includes a piston rod 121, a first limiting member 122 and a second limiting member 123 fixed at two ends of the piston rod 121, a moving piston 124 slidably connected to the piston rod 121 and located between the first limiting member 122 and the second limiting member 123, and a sealed cylinder 125 sleeved outside the moving piston 124.
An air inlet 1251, a first air return port 1252 and a second air return port 1253 are formed in the air cylinder 125, the air inlet 1251 is communicated with the air injection port 41, and the first air return port 1252 and the second air return port 1253 are communicated with the air outlet 42.
Moving the piston 124 divides the cylinder 125 into a first chamber 126 and a second chamber 127. The movable piston 124 is provided with three edges 1241 with the same inner diameter as the cylinder 125, the movable piston 124 is divided into a first area 1242 and a second area 1243 by the three edges 1241, the movable piston 124 is provided with a first air inlet 1244 and a second air inlet 1245 which penetrate through the first area 1242 and the second area 1243 respectively, and two side surfaces of the movable piston 124 are provided with a first air outlet 1246 communicated with the first air inlet 1244 and a second air outlet 1247 communicated with the second air inlet 1245 respectively.
The second limiting member 123 is connected with a third elastic member 128, and the third elastic member 128 is located between the second limiting member 123 and the moving piston 124. The preferred third resilient member 128 is a spring.
The distance between the first air return port 1252 and the second air return port 1253 is the same as the distance between the edges 1241 at the two ends of the movable piston 124, the air inlet 1251 is positioned at the center of the first air return port 1252 and the second air return port 1253, the three edges 1241 of the movable piston 124 are uniformly distributed, and the middle edge 1241 is positioned at the center.
The booster assembly 14 includes a connecting member 141 connected to the first limiting member 122, a first elastic member 142 sleeved on the connecting member 141, and a second elastic member 143 fixed to the second limiting member 123 and facing away from one end of the piston rod 121. The second elastic member 143 abuts on the bottom cover of the handle outer sleeve 11 when mounted. The first elastic member 142 and the second elastic member 143 are springs.
The front end of the connecting piece 141 is provided with a threaded hole, the Y-shaped joint 15 is in threaded connection with the connecting piece 141, and the detachable connection is convenient for sterilizing and cleaning the liposuction needle 2 and the Y-shaped joint 15.
When the piston 124 moves forward and backward, the first elastic member 142 and the second elastic member 143 can reduce the air pressure provided by the air supply device 4 by the restoring force generated by elastic contraction, thereby acting as an assisting force and reducing vibration generated by the reciprocating motion of the piston 124, so that the operator has less shock when holding the hand. Meanwhile, the second elastic piece 143 also plays a role in positioning, so that the second limiting piece 123 is more stable when being connected with the inner wall of the outer sleeve 11 of the handle.
The power assisting component 14 reduces the clamping phenomenon caused by the air balance of the fat sucking handle 1, is smoother to use, and has small air consumption. If the liposuction handle 1 without the power assisting component 14 needs to be started under the pressure of 4 kg, the liposuction handle can work normally under the pressure of 4-6 kg, and after the power assisting component 14 is added, the liposuction handle can be started under the pressure of 1 kg, and the liposuction handle 1 can work normally under the pressure of 1.5 kg, and the liposuction handle 1 is smooth and has no stop, soft hand feeling and little shock sensing and is transmitted into the hands of an operator.
The fat sucking method of the pneumatic fat sucking device comprises the following steps:
a first region 1242 of the moving piston 124 is defined at the air inlet 1251 by the third elastic member 128;
slowly moving the fat sucking handle 1 to align with the fat sucking part for insertion;
when the air inlet 1251 faces the first region 1242, air is introduced through the first air inlet 1244;
the second region 1243 of the moving piston 124 blocks the first return port 1252 and the first chamber 126 increases in gas pressure;
the gas pushes the second limiting piece 123, so as to push the piston rod 121 and drive the liposuction needle 2 to move along the direction away from the liposuction needle 2;
the second return port 1253 is positioned in the second chamber 127, the pressure difference between the second chamber 127 and the first chamber 126 is increased due to the reduction of the gas in the second chamber 127, so that the gas pressure in the first chamber 126 is higher than that in the second chamber 127, and the movable piston 124 moves towards the second chamber 127;
the moving piston 124 continues to move toward the second chamber 127 until the air inlet 1251 injects air toward the second air inlet 1245;
the first region 1242 of the moving piston 124 blocks the second return air port 1253 and the air pressure of the second chamber 127 increases;
the gas pushes the first limiting piece 122, so as to push the piston rod 121 and drive the liposuction needle 2 to move along the direction facing the liposuction needle 2;
the first return port 1252 is positioned in the first chamber 126, the pressure difference between the first chamber 126 and the second chamber 127 is increased due to the reduction of the gas in the first chamber 126, so that the gas pressure in the second chamber 127 is higher than that in the first chamber 126, and the movable piston 124 moves towards the first chamber 126;
when the air inlet 1251 faces the second region 1243, air is introduced through the second air inlet 1245;
the first region 1242 of the moving piston 124 blocks the second return air port 1253 and the second chamber 127 increases in air pressure;
the gas pushes the first limiting piece 122, so as to push the piston rod 121 and drive the liposuction needle 2 to move along the direction facing the liposuction needle 2;
the above process is repeated to make the liposuction needle 2 realize reciprocating motion, thus finishing the liposuction of human body.
Example 2
The difference from example 1 is that: the first limiting member 122 is connected to a third elastic member 128, and the third elastic member 128 is located between the first limiting member 122 and the moving piston 124.
The fat sucking method of the pneumatic fat sucking device comprises the following steps:
a second region 1243 of the moving piston 124 is defined at the air inlet 1251 by the third elastic member 128;
slowly moving the fat sucking handle 1 to align with the fat sucking part for insertion;
the first return port 1252 is positioned in the first chamber 126, the pressure difference between the first chamber 126 and the second chamber 127 is increased due to the reduction of the gas in the first chamber 126, so that the gas pressure in the second chamber 127 is higher than that in the first chamber 126, and the movable piston 124 moves towards the first chamber 126;
moving piston 124 continues to move toward first chamber 126 until air inlet 1251 is inflated toward first air intake 1244;
the second region 1243 of the moving piston 124 blocks the first return air port 1252 and the air pressure of the first chamber 126 increases;
the gas pushes the second limiting piece 123, so as to push the piston rod 121 and drive the liposuction needle 2 to move along the direction away from the liposuction needle 2;
the second return port 1253 is positioned in the second chamber 127, the pressure difference between the second chamber 127 and the first chamber 126 is increased due to the reduction of the gas in the second chamber 127, so that the gas pressure in the first chamber 126 is higher than that in the second chamber 127, and the movable piston 124 moves towards the second chamber 127;
the above process is repeated to make the liposuction needle 2 realize reciprocating motion, thus finishing the liposuction of human body.
The air pressure of the first chamber 126 and the air pressure of the second chamber 127 are increased or decreased, so that the movable piston 124 can reciprocate on the piston rod 121, and air is injected through the air inlet 1251 to drive the front-end liposuction needle 2 to reciprocate, and the form replaces manual liposuction of a doctor, so that the operation intensity of the doctor is relieved. Further, the moving piston 124 slides in the middle of the piston rod 121.
The invention uses the gas to provide driving, and the piston rod 121 of the liposuction handle 1 moves back and forth to block the first air return port 1252 or the second air return port 1253, so that the liposuction needle 2 reciprocates, the vibration frequency is 600 times per minute, the vibration amplitude is 6mm, the mode of the motion replaces the reciprocating pumping of hands of doctors, the fat breaking effect is strong, the efficiency is high, and the doctor can easily save labor during the operation.
The invention uses the pneumatic driving liposuction handle 1 to suck fat to human body, reduces the operation strength of doctors in the operation process and shortens the operation time.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (6)
1. A pneumatic liposuction device, characterized in that: the pneumatic fat suction device comprises a fat suction handle (1), a fat suction needle (2) connected to the front end of the fat suction handle (1), a fat storage cylinder (3) communicated with the fat suction needle (2) and a gas supply device (4) connected to the fat suction handle (1) to drive the fat suction needle (2) to move;
the liposuction handle (1) comprises a handle outer sleeve (11), a vibration liposuction mechanism (12) for driving the liposuction needle (2) to move, a pneumatic mechanism (13) for providing power for the vibration liposuction mechanism (12), a power-assisted component (14) connected to the vibration liposuction mechanism (12) and a Y-shaped joint (15) for connecting the liposuction needle (2) and the power-assisted component (14);
the Y-shaped joint (15) is communicated with the fat suction needle (2) and the fat storage cylinder (3); the handle outer sleeve (11) is arranged at the outer sides of the vibration liposuction mechanism (12), the pneumatic mechanism (13) and the power assisting component (14);
the vibration fat suction mechanism (12) comprises a piston rod (121), a first limiting piece (122) and a second limiting piece (123) which are fixed at two ends of the piston rod (121), a movable piston (124) which is connected to the piston rod (121) in a sliding manner and is positioned between the first limiting piece (122) and the second limiting piece (123), and a sealed cylinder (125) sleeved on the outer side of the movable piston (124); the second limiting piece (123) is connected with a third elastic piece (128), the third elastic piece (128) is positioned between the second limiting piece (123) and the movable piston (124), or the first limiting piece (122) is connected with the third elastic piece (128), and the third elastic piece (128) is positioned between the first limiting piece (122) and the movable piston (124);
an air inlet (1251), a first air return port (1252) and a second air return port (1253) are formed in the air cylinder (125), the air inlet (1251) is communicated with the air injection port (41), and the first air return port (1252) and the second air return port (1253) are both communicated with the air outlet (42);
the moving piston (124) divides the cylinder (125) into a first chamber (126) and a second chamber (127);
three edges (1241) with the same inner diameter as the air cylinder (125) are arranged on the movable piston (124), the movable piston (124) is divided into a first area (1242) and a second area (1243) by the three edges (1241), a first air inlet hole (1244) and a second air inlet hole (1245) are respectively formed in the first area (1242) and the second area (1243) of the movable piston (124), and a first air outlet hole (1246) communicated with the first air inlet hole (1244) and a second air outlet hole (1247) communicated with the second air inlet hole (1245) are respectively formed in two side surfaces of the movable piston (124);
the distance between the first air return opening (1252) and the second air return opening (1253) is the same as the distance between edges (1241) at two ends of the movable piston (124), the air inlet (1251) is positioned at the center of the first air return opening (1252) and the second air return opening (1253), three edges (1241) of the movable piston (124) are uniformly distributed, and the edge (1241) positioned in the middle is positioned at the center of the movable piston (124).
2. The pneumatic liposuction device of claim 1, wherein: the pneumatic mechanism (13) comprises an air injection assembly (131) and an air return assembly (132), the air injection assembly (131) is communicated with the vibration fat suction mechanism (12) and an air injection port (41) of the air supply device (4), and the air return assembly (132) is communicated with the vibration fat suction mechanism (12) and an air exhaust port (42) of the air supply device (4); the gas injection assembly (131) comprises a gas injection pipe joint (1311) and a gas injection pipe (1312) which are connected with each other; the return air assembly (132) includes a return air pipe nipple (1321) and a return air pipe (1322) connected to each other.
3. A pneumatic liposuction device according to claim 2, wherein: the power assisting assembly (14) comprises a connecting piece (141) connected with the first limiting piece (122), a first elastic piece (142) sleeved on the connecting piece (141) and a second elastic piece (143) fixed at one end of the second limiting piece (123) away from the piston rod (121); the second elastic piece (143) is abutted against the rear end cover of the handle outer sleeve (11).
4. A pneumatic liposuction device according to claim 3, wherein: one end of the handle outer sleeve (11) close to the liposuction needle (2) is connected with a limiting part (111), and the first elastic piece (142) is limited on the side wall of the limiting part (111) in a movement abutting mode.
5. A pneumatic liposuction device according to claim 3, wherein: the first elastic piece (142) and the second elastic piece (143) are springs.
6. A pneumatic liposuction device according to claim 3, wherein: the Y-shaped joint (15) is detachably connected to the front end of the connecting piece (141).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278365.0A CN108030519B (en) | 2017-12-06 | 2017-12-06 | Pneumatic fat sucking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278365.0A CN108030519B (en) | 2017-12-06 | 2017-12-06 | Pneumatic fat sucking device |
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| CN108030519A CN108030519A (en) | 2018-05-15 |
| CN108030519B true CN108030519B (en) | 2023-08-15 |
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| CN201711278365.0A Active CN108030519B (en) | 2017-12-06 | 2017-12-06 | Pneumatic fat sucking device |
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| CN109045376B (en) * | 2018-09-29 | 2020-09-01 | 谭贵苗 | Auxiliary device is filled to autologous fat |
| CN109513052B (en) * | 2018-11-12 | 2020-10-30 | 北京航空航天大学 | Liposuction device |
Citations (6)
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| US5348535A (en) * | 1990-12-14 | 1994-09-20 | Rocin Laboratories, Inc. | Power-assisted liposuction instrument and cannula assembly therefor |
| US6213971B1 (en) * | 1998-11-04 | 2001-04-10 | James Poole | Power assisted liposuction device |
| CN2761183Y (en) * | 2005-01-04 | 2006-03-01 | 夏黎明 | Automatic surgical fat suction equipment |
| CN104800898A (en) * | 2015-04-09 | 2015-07-29 | 平荧 | Reciprocating type automatic liposuction power system device |
| CN107174678A (en) * | 2017-06-30 | 2017-09-19 | 杨忠 | A kind of autologous fat collection, purification and transplantation device |
| CN208838026U (en) * | 2017-12-06 | 2019-05-10 | 山西阳光中天医疗器械有限公司 | A kind of pneumatic liposuction device |
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2017
- 2017-12-06 CN CN201711278365.0A patent/CN108030519B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348535A (en) * | 1990-12-14 | 1994-09-20 | Rocin Laboratories, Inc. | Power-assisted liposuction instrument and cannula assembly therefor |
| US6213971B1 (en) * | 1998-11-04 | 2001-04-10 | James Poole | Power assisted liposuction device |
| CN2761183Y (en) * | 2005-01-04 | 2006-03-01 | 夏黎明 | Automatic surgical fat suction equipment |
| CN104800898A (en) * | 2015-04-09 | 2015-07-29 | 平荧 | Reciprocating type automatic liposuction power system device |
| CN107174678A (en) * | 2017-06-30 | 2017-09-19 | 杨忠 | A kind of autologous fat collection, purification and transplantation device |
| CN208838026U (en) * | 2017-12-06 | 2019-05-10 | 山西阳光中天医疗器械有限公司 | A kind of pneumatic liposuction device |
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| Publication number | Publication date |
|---|---|
| CN108030519A (en) | 2018-05-15 |
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