KR20220040840A - Liposuction apparatus using negative pressure - Google Patents

Abstract

The present invention relates to a liposuction apparatus using negative pressure, comprising: a cannula inserted into a procedure position and sucking fat; a negative pressure generation unit which generates negative pressure to provide pressure that is enough for the cannula to suck fat; a positive pressure generation unit which generates positive pressure to provide pressure so that the negative pressure state of the cannula can be eliminated; and a fat suction controller which generates the negative pressure so that set negative pressure is applied in the cannula and fat is sucked into the cannula and generates the positive pressure so that in the negative pressure "OFF" state, the negative pressure applied in the cannula is instantaneously stopped. Accordingly, the present invention is capable of: preventing local pitting caused in the process of performing liposuction by instantaneously stopping the negative pressure created in the cannula for liposuction or instantaneously applying negative pressure in the cannula; and minimizing the delay in the procedure time.

Description

Liposuction device using negative pressure

The present invention relates to a liposuction technique using negative pressure, and more particularly, by temporarily stopping the negative pressure created in a cannula for liposuction or applying a negative pressure momentarily to minimize the delay time caused during liposuction. It relates to a liposuction device using negative pressure that can do this.

Liposuction is a rapidly growing field as a plastic surgery that removes an excessively accumulated fat layer in the human body. In particular, liposuction can easily remove fat from areas that are difficult to remove with exercise, diet, etc. as needed.

Methods such as exercise and diet only reduce the size of fat cells, so it is difficult to suppress the thickening of the fat layer again in the future, whereas liposuction has the advantage of significantly reducing such problems because it reduces the number of fat cells.

The most basic method of liposuction is to suck fat using negative pressure. It is the principle of creating negative pressure in a small tube called a cannula to suction fat. there is.

In the liposuction method using negative pressure, a negative pressure generator (suction device) that applies negative pressure to the tip of the suction cannula is connected through the cannula handle and silicone tube. to allow fat to be absorbed.

However, during the liposuction process, negative pressure is continuously applied to the suction cannula, and the incision and the transition site to the target site may be inadvertently sucked and dents may occur. If a certain amount of experience is gained and careful inhalation is attempted, this is rarely the case, but it is rare.

There is a way to turn off the negative pressure and apply negative pressure by approaching the target site with the suction cannula, but there is a delay time until the negative pressure rises again, which makes the operation inconvenient. There was a problem that could take a long time.

Korean Patent No. 10-2134807 (2020.07.10) relates to a syringe for liposuction and implantation equipped with a negative pressure control means, which is formed perpendicular to the space between the partition walls of a push bar and divides the internal space of the partition into a multi-layered area. A multi-stage locking jaw made of at least one plate, a single-sided rotating clip coupled to one side of the inlet of the outer cylinder and provided with a bent portion that is rotatable only upward and cannot be rotated downward, and a multi-stage engaging jaw It is equipped with a negative pressure control means consisting of a snag avoidance part that moves the one-sided rotating clip to the space where the applied pressure is removed, so that the negative pressure inside the outer cylinder can be maintained during the procedure just by pulling and releasing the pusher. By allowing the pusher to be pushed in without being limited by the multi-stage clasp and single-sided rotation clip by simply rotating the It relates to a syringe for liposuction and transplantation equipped with a music control means with improved ease of use and manufacturing convenience.

Korea Patent No. 10-1625461 (2016.05.24) relates to a liposuction system and method for reducing physical shock, a suction tube that sucks fat cells accumulated in the deep part, and a suction tube that inserts and discharges the skin An incision portion to form an insertion inlet by making an incision, an insertion portion coupled to the end of the suction tube and allowing at least one suction tube to pass through the insertion inlet to insert the fat cells, and an insertion portion connected to the suction tube to discharge the fat cells It is made to include a negative pressure unit for applying a negative pressure to the suction pipe to be able to.

Korean Patent Registration No. 10-2134807 (2020.07.10) Korean Patent No. 10-1625461 (2016.05.24)

An embodiment of the present invention provides a liposuction device using negative pressure that can minimize the delay time caused during liposuction by momentarily stopping the negative pressure created in a cannula for liposuction or momentarily applying negative pressure to the cannula for liposuction. would like to provide

One embodiment of the present invention is to apply positive pressure as well as negative pressure to the suction tube so that when the negative pressure is turned off, positive pressure is applied to prevent negative pressure from continuously being applied to the suction tube, thereby preventing dents near the treatment site and reducing the treatment time. It is intended to provide a liposuction device used.

An embodiment of the present invention is to provide a liposuction device using negative pressure that can be operated quickly by adjusting the pressure when the suction cannula approaches the target site and applying negative pressure to increase the suction pressure instantaneously.

Among the embodiments, a liposuction device using negative pressure includes a cannula that is inserted at a treatment location to suck fat, a negative pressure generator that generates negative pressure to provide pressure for fat to be sucked into the cannula, and generates positive pressure A positive pressure generating unit for providing a pressure from which the negative pressure state of the cannula can be removed, and a set negative pressure applied to the cannula to generate the negative pressure so that fat is sucked, and the negative pressure to the cannula in the “OFF” state It includes a liposuction controller for generating the positive pressure so that the applied negative pressure is momentarily stopped.

The negative pressure generator may generate negative pressure at a predetermined pressure through a suction pump that generates negative pressure, and boost the negative pressure through pumping of a booster.

The positive pressure generating unit may generate a positive pressure at a predetermined pressure through an air compressor that generates a positive pressure.

The cannula is connected to the negative pressure generating unit and the positive pressure generating unit through a negative pressure/positive pressure injection hose at one end of the handpiece, so that the negative pressure state can be maintained or released.

The liposuction controller generates a negative pressure through the negative pressure generating unit when the negative pressure is “ON” according to the operator's operation, boosts the generated negative pressure, and rapidly maintains the internal space of the cannula in a negative pressure state. This can provide pressure at which fat can be aspirated.

When the negative pressure is “off” according to the operator's operation, the liposuction controller stops generating the negative pressure of the negative pressure generating unit and at the same time generates positive pressure through the positive pressure generating unit so that the negative pressure maintained in the inner space of the cannula is It can provide pressure that can be stopped momentarily.

In embodiments, the liposuction device using negative pressure may further include a clamp member for pressing or bending the liposuction tube connected to the outlet of the cannula to momentarily stop the negative pressure applied to the cannula.

In embodiments, the liposuction device using negative pressure may further include a display unit for displaying the negative pressure state and the amount of fat sucked during the liposuction process.

The disclosed technology may have the following effects. However, this does not mean that a specific embodiment should include all of the following effects or only the following effects, so the scope of the disclosed technology should not be understood as being limited thereby.

The liposuction device using negative pressure according to an embodiment of the present invention can minimize the delay time caused in the process of performing liposuction by momentarily stopping the negative pressure created in the cannula for liposuction or applying the negative pressure momentarily. there is.

The liposuction device using negative pressure according to an embodiment of the present invention allows to apply positive pressure as well as negative pressure to the suction tube, so that when the negative pressure is turned off, positive pressure is applied to the suction tube so that negative pressure is not continuously applied to the suction tube, thereby preventing dents near the treatment site and performing the procedure time can be shortened.

In the liposuction device using negative pressure according to an embodiment of the present invention, when the suction cannula approaches the target site and applies negative pressure, the pressure can be adjusted to increase the suction pressure instantaneously, so that the operation can be performed quickly.

1 is a view for explaining a liposuction system using negative pressure according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating the liposuction device of FIG. 1 .
FIG. 3 is a block diagram showing the liposuction device of FIG. 2 .
4 is a flowchart illustrating a liposuction process using negative pressure performed in the liposuction apparatus using negative pressure in FIG. 1 .

Since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment may have various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

On the other hand, the meaning of the terms described in the present application should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected to” another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. Meanwhile, other expressions describing the relationship between elements, that is, "between" and "between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The singular expression is to be understood as including the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the embodied feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

In each step, identification numbers (eg, a, b, c, etc.) are used for convenience of description, and identification numbers do not describe the order of each step, and each step clearly indicates a specific order in context. Unless otherwise specified, it may occur in a different order from the specified order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless otherwise defined. Terms defined in the dictionary should be interpreted as being consistent with the meaning of the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present application.

1 is a view for explaining a liposuction system using negative pressure according to an embodiment of the present invention.

Referring to FIG. 1 , a liposuction system 100 using negative pressure may include a Muyeongdeung 110 and a liposuction device 130 .

Muyeongdeung 110 may correspond to medical equipment that concentrates the light source to prevent shadows from forming on the surgical site, and may be implemented by including a plurality of LEDs. Muyeongdeung 110 has a high degree of illumination and color rendering, and it is important to prevent radiant heat and hand shadows, so it can be implemented by including an anti-heat filter and a plurality of reflectors. In addition, the Muyeongdeung 110 is connected to a flexible and well fixed support so as to illuminate the affected area at various angles depending on the location, it can be implemented to be adjustable in multiple angles.

The liposuction device 130 may be implemented as a server corresponding to a computer or program capable of performing liposuction through negative pressure by applying negative pressure to a suction cannula (not shown) during liposuction. The liposuction device 130 may be connected to a plurality of Muyeongdeung 110 wirelessly through Bluetooth, WiFi, etc., and may exchange data with the Muyeongdeung 110 through a network.

In one embodiment, the liposuction device 130 may perform liposuction with a negative pressure generated by a negative pressure generator (Suction). Here, the liposuction device 130 may apply both negative pressure and positive pressure to the inhaler. The liposuction device 130 may apply a positive pressure in a negative pressure “OFF” state so that the negative pressure is momentarily stopped. The liposuction device 130 may boost-up the pressure in the negative pressure “ON” state so that the negative pressure is applied momentarily. The liposuction device 130 may be implemented including a database (not shown), and may be implemented independently of the database. When implemented independently of the database, the liposuction device 130 may be connected to the database by wire or wirelessly to exchange data.

The database is a storage device that can store information necessary for liposuction in the process of liposuction. The database may store not only patient information directly input through the liposuction device 130 but also information collected during the procedure, and is not necessarily limited thereto, and may be collected or processed in various forms during liposuction. information can be stored.

The database may be composed of at least one independent sub-database for storing information belonging to a specific range, and may be composed of an integrated database in which at least one independent sub-database is integrated into one. When configured with at least one independent sub-database, each of the sub-databases may be wirelessly connected through Bluetooth, WiFi, etc., and may exchange data with each other through a network. When the database is configured as an integrated database, it may include a control unit that integrates each sub-database into one and manages mutual data exchange and control flow.

FIG. 2 is a block diagram illustrating the liposuction device of FIG. 1 .

Referring to FIG. 2 , the liposuction device 130 includes a cannula 210 , a negative pressure generator 220 , a positive pressure generator 230 , a liposuction controller 240 , a display 250 , and a controller 260 . may include

The cannula (Cannula) 210 may be inserted into the operation position to suck the fat. The cannula 210 has a long length and narrow diameter tube shape that is inserted into the subcutaneous fat side of the human body, and a plurality of suction ports are formed at the tip, and the fat is separated by moving in the forward/backward direction, and the suction port by negative pressure fat can be absorbed through The suctioned fat may be discharged through the outlet of the cannula 210 and stored in a fat storage container (not shown).

In addition, the cannula 210 corresponds to a medical device that allows liquid or air to pass through, and it can be inserted into the chest cavity or abdominal cavity to extract the liquid or inserted into the blood vessel to collect blood, and when performing tracheostomy, it can be inserted into the trachea to breathe. It can be used for a variety of purposes, such as

In one embodiment, the cannula 210 may include a plurality of sensors that can detect the operation of the cannula 210 or measure the sound pressure applied to the cannula 210 . For example, the plurality of sensors included in the cannula 210 may include a displacement sensor, an angle sensor, a gyro sensor, and a pressure sensor. A displacement sensor corresponds to a sensor capable of measuring the distance or position an object has moved, and an angle sensor corresponds to a sensor capable of measuring a relatively large angle such as a minute angle or an axis rotation angle. The gyro sensor may correspond to a sensor for detecting angular velocity, and a pressure sensor may correspond to a sensor capable of measuring a force acting on an object.

A plurality of sensors included in the cannula 210 may collect sensing information in real time or periodically according to each sensing mechanism. The cannula 210 may transmit sensing signals collected through a plurality of sensors to the liposuction controller 240 . The liposuction apparatus 130 may store the sensing signals collected from a plurality of sensors in a database by relating the sensing signals to the patient who has undergone liposuction.

The negative pressure generating unit 220 may generate a negative pressure to provide a pressure for the fat to be sucked into the cannula 210 . In an embodiment, the negative pressure generator 220 may generate a negative pressure at a predetermined pressure through a suction pump. Here, the negative pressure may mean a pressure slightly lower than atmospheric pressure. The negative pressure generator 220 applies negative pressure to the suction tube connected to the cannula 210 to maintain the suction port of the cannula 210 in a negative pressure state so that fat can be sucked into the cannula 210 .

The negative pressure generating unit 220 can be performed with a pressure lower than 0.5 atm, which is the strength of the negative pressure of general liposuction, and can be performed with one to two times less time than the operation time of general liposuction. In one embodiment, the negative pressure generating unit 220 may adjust the strength of the negative pressure according to the thickness of the skin to be treated, the amount of fat accumulated in the skin to be treated, and the like. Here, the negative pressure generating unit 220 may change the negative pressure by adjusting the strength of the suction pump or by adjusting the pressure of the generated negative pressure.

The positive pressure generator 230 may generate a positive pressure to provide a pressure from which the negative pressure state of the cannula 210 can be removed. In an embodiment, the positive pressure generating unit 230 may generate a positive pressure at a predetermined pressure through an air compressor. Here, the positive pressure may mean a pressure slightly higher than atmospheric pressure. The positive pressure generating unit 230 is connected to the cannula 210 so that when the negative pressure is “off”, the positive pressure is applied to the cannula 210 so that the negative pressure of the cannula 210 is momentarily stopped.

The liposuction controller 240 controls the negative pressure generating unit 220 to generate a negative pressure in accordance with the negative pressure set by the operator, so that the set negative pressure is applied to the cannula 210 in the process of performing liposuction to suction fat. can In an embodiment, the liposuction controller 240 may “ON”/OFF” the sound pressure generation according to the operator's manipulation. Here, the operator's operation may be "ON/OFF" by electrically connecting a footrest (not shown) to the liposuction controller 240 and stepping on the footrest, but is not limited thereto. It is also possible to "on (ON) / off (OFF)" through a button operation on the handpiece portion of the cannula 210 to be held by hand.

The liposuction controller 240 generates negative pressure through the negative pressure generating unit 220 to maintain the suction port of the cannula 210 in a negative pressure state when the negative pressure is “ON”. When the liposuction controller 240 is in the negative pressure “OFF” state, the negative pressure generating unit 220 stops the negative pressure generation and at the same time, the positive pressure generating unit 230 so that the negative pressure state of the suction port of the cannula 210 is instantly removed. to generate positive pressure through Accordingly, the negative pressure of the cannula 210 is momentarily stopped, thereby preventing unintentional liposuction from occurring and providing operator convenience.

The liposuction controller 240 is generated through the negative pressure generating unit 220 so that the negative pressure state of the suction port of the cannula 210 can be quickly maintained when the negative pressure is “ON” in the negative pressure “OFF” state. Boosts the negative pressure. In an embodiment, the liposuction controller 240 may pump the negative pressure generated by the negative pressure generator 220 through a booster to momentarily increase the suction pressure. Accordingly, even if the cannula 210 approaches the target site and turns the negative pressure “ON” in the state where the negative pressure is “OFF”, the negative pressure is applied instantaneously to the suction port of the cannula 210, so that it is immediately without delay. Liposuction can be performed.

The display unit 250 may display information about the patient's body data before liposuction is started. The display unit 250 may display information about liposuction while liposuction is in progress. For example, the display unit 250 may display information on the location of liposuction within the treatment site and the amount of liposuction required at the location. The display unit 250 may display information on the amount of fat stored in the fat storage bin. The display unit 250 may display the intensity of the suction pressure.

The controller 260 controls the overall operation of the liposuction device 130 , and operates between the cannula 210 , the negative pressure generator 220 , the positive pressure generator 230 , the liposuction controller 240 , and the display unit 250 . It can manage control flow or data flow.

FIG. 3 is a block diagram showing the liposuction device of FIG. 2 .

Referring to FIG. 3 , the liposuction device 130 includes a cannula 210 , a negative pressure generating unit 220 , a positive pressure generating unit 230 , a liposuction controller 240 , a display unit 250 , and a handpiece 310 . , a tube for liposuction 320 , a negative pressure/positive pressure injection hose 330 , a fat storage tank 340 , and a foot plate 350 .

The cannula 210 is a liposuction tube that can be inserted into the operation position to suck fat. In the cannula 210, the size of the incision is changed according to the size, and the amount of fat that can be sucked varies according to the number of suction holes. Cannula 210 can be used by appropriately selecting the type according to the site and situation to suck the fat.

The cannula 210 has a handpiece 310 coupled to one side so that the user can hold the hand and perform liposuction. The cannula 210 is connected to the fat storage bin 340 through the liposuction tube 320 at the outlet so that the sucked fat can be stored in the fat storage bin 340 .

The handpiece 310 is connected to the negative pressure generating unit 220 and the positive pressure generating unit 230 through the cannula 210 is coupled to the front end and the negative pressure / positive pressure injection hose 330 at the end.

The negative pressure generator 220 may include a suction pump that generates a negative pressure. The negative pressure generating unit 220 may generate negative pressure at a predetermined pressure by the operation of the suction pump. The negative pressure generator 220 may include a booster that boosts the negative pressure. The negative pressure generating unit 220 instantaneously raises the negative pressure by the pumping operation of the booster so that the negative pressure can be quickly applied to the cannula 210 through the negative pressure/positive pressure injection hose 330 . When the negative pressure state is maintained in the cannula 210, the operator holds the handpiece 310 and inserts the cannula 210 into the treatment site. can be inhaled. The suctioned fat flows inside the cannula 210 , passes through the discharge pipe, and is discharged through the liposuction tube 320 and stored in the fat storage container 340 .

The positive pressure generator 230 may include an air compressor that generates a positive pressure. The positive pressure generating unit 230 may generate positive pressure at a predetermined pressure by the operation of the air compressor. The positive pressure generator 230 creates a positive pressure in the cannula 210 through the negative pressure/positive pressure injection hose 330 so that the negative pressure is momentarily stopped.

The liposuction controller 240 operates according to the operator's operation of the footrest 350 to generate negative pressure through the negative pressure generating unit 220 to suction fat. The liposuction controller 240 controls liposuction by turning the negative pressure “ON/OFF” according to the operator's operation. In one embodiment, the liposuction controller 240 generates a negative pressure through the negative pressure generating unit 220 when the negative pressure is “ON” and boosts the generated negative pressure to rapidly increase the negative pressure in the inner space of the cannula 210 . Maintaining the state provides a pressure that can be sucked fat into the interior of the cannula (210). The liposuction controller 240 stops the operation of the negative pressure generating unit 220 when the negative pressure is “OFF”. Even if the operation of the negative pressure generating unit 220 is stopped, the negative pressure is maintained in the inner space of the cannula 210 for a predetermined time. At this time, the liposuction controller 240 generates a positive pressure through the positive pressure generator 230 to provide a pressure at which the negative pressure maintained in the inner space of the cannula 210 can be temporarily stopped.

In one embodiment, the liposuction controller 240 generates a positive pressure through the positive pressure generating unit 230 using an air compressor to instantly stop the negative pressure, but is not limited thereto, but is not limited thereto. For liposuction adjacent to the cannula 210 . By mechanically pressing or bending the tube 320 side, the negative pressure may be temporarily stopped. For example, the clamp member is coupled to the tube 320 for liposuction, and the clamp member is operated by manipulating the handpiece 310 to press the tube 320 for liposuction that passes between the forceps.

The display unit 250 may display a negative pressure state and the amount of fat sucked in the liposuction process.

FIG. 4 is a flowchart illustrating a liposuction process using negative pressure performed by the liposuction apparatus of FIG. 1 .

Referring to FIG. 4 , the liposuction device 130 may generate a negative pressure through the negative pressure generator 220 according to the operator's operation to provide pressure for liposuction (step S410 ). The liposuction device 130 may suction fat through the cannula 210 and store the sucked fat in the fat storage container 340 connected to the liposuction tube 320 (step S430). The liposuction device 130 stops the negative pressure generation of the negative pressure generating unit 220 according to the operator's operation, and at the same time, the positive pressure for instantaneous stop of the negative pressure maintained in the cannula 210 through the positive pressure generating unit 230 . may occur (step S450).

Although the above has been described with reference to the preferred embodiment of the present invention, those skilled in the art can variously modify and change the present invention within the scope without departing from the spirit and scope of the present invention as described in the claims below. You will understand that it can be done.

100: liposuction system using negative pressure
110: Muyeongdeung 130: liposuction device
210: cannula 220: negative pressure generating unit
230: positive pressure generating unit 240: liposuction controller
250: display unit 260: control unit
310: handpiece 320: tube for liposuction
330: negative/positive pressure injection hose 340: fat reservoir
350: scaffold

Claims (8)

A cannula that is inserted into the surgical site to suck out fat (Cannula);
a negative pressure generating unit that generates a negative pressure to provide a pressure for fat to be sucked into the cannula;
a positive pressure generating unit that generates a positive pressure to provide a pressure from which the negative pressure state of the cannula can be removed; and
Negative pressure comprising a liposuction controller for generating the negative pressure so that fat is sucked by applying a set negative pressure to the cannula, and generating the positive pressure so that the negative pressure applied to the cannula is momentarily stopped in the negative pressure “OFF” state liposuction device using
According to claim 1, wherein the negative pressure generating unit
A liposuction device using negative pressure, wherein a negative pressure is generated at a predetermined pressure through a suction pump that generates a negative pressure, and the negative pressure is boosted by pumping a booster.
According to claim 1, wherein the positive pressure generating unit
A liposuction device using negative pressure, characterized in that positive pressure is generated at a predetermined pressure through an air compressor that generates positive pressure.
The method of claim 1, wherein the cannula is
A liposuction device using negative pressure, characterized in that the negative pressure generating unit and the positive pressure generating unit are connected to the negative pressure generating unit and the positive pressure generating unit through a negative pressure/positive pressure injection hose at one end of the handpiece to maintain or release the negative pressure state.
The method of claim 1, wherein the liposuction controller is
When the negative pressure is “ON” according to the operator's operation, a negative pressure is generated through the negative pressure generating unit and the generated negative pressure is boosted to quickly maintain the internal space of the cannula in a negative pressure state, so that the fat is sucked into the inside of the cannula. A liposuction device using negative pressure, characterized in that it provides a possible pressure.
The method of claim 5, wherein the liposuction controller is
When the negative pressure is “OFF” according to the operator's operation, the negative pressure generating unit stops generating negative pressure and at the same time generates positive pressure through the positive pressure generating unit, the negative pressure maintained in the inner space of the cannula can be stopped momentarily. A liposuction device using negative pressure, characterized in that it provides a pressure.
According to claim 1,
The apparatus for liposuction using negative pressure, characterized in that it further comprises a clamp member for pressing or bending the tube for liposuction connected to the outlet of the cannula to momentarily stop the negative pressure applied to the cannula.
According to claim 1,
A liposuction device using negative pressure, characterized in that it further comprises a display unit for displaying the negative pressure state and the amount of fat sucked during the liposuction process.

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