CN219481013U - Liposuction needle - Google Patents

Abstract

The utility model relates to the technical field of medical appliances, in particular to a liposuction needle; the needle comprises a needle cylinder, wherein a needle body assembly is arranged at the left end of the needle cylinder in a clamping manner, the needle body assembly comprises a needle body, and the needle body is communicated with the needle cylinder; the needle body set up to multistage, link to each other through the joint post between the adjacent needle body, the internal diameter of joint post be less than the internal diameter of needle body, the external diameter of joint post be less than the external diameter of needle body, every the joint post in all install a cutting assembly, be provided with the piston in the cylinder, the helicla flute has been seted up to the inner wall of cylinder, the piston passes through the helicla flute and rotates with the cylinder and be connected, be fixed with the pull rod on the piston, be equipped with the pinhole that is used for absorbing fat on the needle body, the pinhole is equipped with a plurality of. Thereby reducing the support to the wound, making the opening degree of the wound smaller, being beneficial to alleviating the pain of the wound of the patient, reducing the traction of the wound and facilitating the healing of the wound of the subsequent patient.

Description

Liposuction needle

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a liposuction needle.

Background

The fat sucking is a method for sucking out fat tissue accumulated locally through a small incision of skin to improve obesity, and the publication number is CN210170092U, which provides a method for sucking fat by the fat sucking needle in a rapid positioning way, so that the internal tissues of a fat sucking part are distributed evenly, the surface is smooth, and further the shaping is smooth, but fat is accumulated easily into blocks in the fat sucking process, and the fat sucking needle is blocked for a long time, so that the using effect is affected.

The publication number is CN214017640U, which is provided with a sharp cutting fine tooth at the edge of a fat suction hole, fat is cut in the subcutaneous penetrating process, fat is sucked conveniently, and meanwhile, the fat suction hole is arranged in a single row, so that when a fat suction needle stretches into and reaches a subcutaneous fat layer of a human body, the fat suction hole is formed in one side of the skin, which faces the subcutaneous fat layer, fat suction is realized, the fat suction hole is not formed in one side of the skin, which does not damage the skin, but the skin is sucked for a long time, when the skin is not supported at the wound of the patient, the thickness of the needle body easily causes tearing of the wound of the patient, the opening degree of the wound is overlarge, the pain of the wound of the patient is increased, and the wound of the later patient is healed slowly; in addition, the fat is cut in one direction during fat suction in the comparison document, the fat has viscosity, and the fat is easy to be adhered again after the cutting is completed, so that the needle is blocked.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides a liposuction needle.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the liposuction needle comprises a needle cylinder, wherein a needle body assembly is arranged at the left end of the needle cylinder in a clamping manner, the needle body assembly comprises a needle body, and the needle body is communicated with the needle cylinder; the needle body set up to multistage, link to each other through the joint post between the adjacent needle body, the internal diameter of joint post be less than the internal diameter of needle body, the external diameter of joint post be less than the external diameter of needle body, every the joint post in all install a cutting assembly, be provided with the piston in the cylinder, the helicla flute has been seted up to the inner wall of cylinder, the piston passes through the helicla flute and rotates with the cylinder and be connected, be fixed with the pull rod on the piston, be equipped with the pinhole that is used for absorbing fat on the needle body, the pinhole is equipped with a plurality of.

Preferably, the cutting assembly comprises a circular cutter, the circular cutter is positioned in the clamping column and is coaxial with the clamping column, a plurality of radial cutters are uniformly distributed and fixed on the outer circumferential surface of the circular cutter, the outer ends of the radial cutters are fixedly connected with the clamping column, and the cutting edge direction of the radial cutters is along the radial direction of the circular cutter.

Preferably, the needle body is provided with a hollow cylindrical shape, the middle diameter of the clamping column is smaller than the diameters of two ends, and the middle diameter of the clamping column is smaller than the diameter of the needle body.

Preferably, one end of the drawing rod far away from the needle body is positioned at the outer side of the needle cylinder and is fixedly provided with a supporting plate, and the diameter of the supporting plate is larger than that of the drawing rod.

Preferably, the needle body is elliptical, the clamping column is hollow and cylindrical, the outer diameter of the clamping column is equal to the diameter of the short shaft of the needle body, and the inner diameter of the clamping column is smaller than the inner diameter of the needle body.

Compared with the prior art, the liposuction needle has the following beneficial effects:

according to the liposuction needle, through the arrangement of the needle body assembly, the needle body can be inserted by cutting a small hole on the skin, one end of the needle body, which is provided with a needle hole after the needle body is inserted, reaches a fat layer, and a wound on the skin just covers a place with a small diameter in the middle of the clamping column, so that the support on the wound is reduced, the opening degree of the wound is reduced, the pain of the wound of a patient is reduced, the traction of the wound is reduced, and the wound healing of a subsequent patient is facilitated; thereby also can reduce and pull patient's wound, be favorable to alleviateing the secondary injury to patient's wound, the healing of patient's wound of being convenient for, radial cutting knife and the circular cutter of hour internal portion of body subassembly can carry out the segmentation to the fat that draws out to reduce the size of fat, and prevent that fat is too much, lead to the needle to block up influence result of use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the whole structure of the present utility model;

FIG. 3 is an enlarged schematic view of the present utility model at A in FIG. 2;

FIG. 4 is a schematic overall structure of a second embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a second embodiment of the present utility model;

FIG. 6 is an enlarged schematic view of the present utility model at B in FIG. 5;

fig. 7 is a cross-sectional view of a connection between a needle and a clip post in a second embodiment of the present utility model.

In the figure: 1. a needle cylinder; 2. a needle body; 3. a clamping column; 4. a pull rod; 5. a support plate; 6. a piston; 7. a circular cutter; 8. a spiral groove; 9. radial cutting knife.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 3, the technical scheme adopted by the utility model is as follows:

the liposuction needle comprises a needle cylinder 1, wherein a needle body assembly is arranged at the left end of the needle cylinder 1 in a clamping manner, the needle body assembly comprises a needle body 2, and the needle body 2 is communicated with the needle cylinder 1; the needle body 2 set up to the multistage, link to each other through joint post 3 between the adjacent needle body 2, joint post 3 the internal diameter be less than the internal diameter of needle body 2, joint post 3 the external diameter be less than the external diameter of needle body 2, every joint post 3 in all install a cutting assembly, the interior of cylinder 1 is provided with piston 6, helical groove 8 has been seted up to the inner wall of cylinder 1, piston 6 passes through helical groove 8 and cylinder 1 rotation to be connected, be fixed with pull rod 4 on the piston 6, be equipped with the pinhole that is used for absorbing fat on the needle body 2, the pinhole is equipped with a plurality of.

The cutting assembly comprises a circular cutter 7, the circular cutter 7 is positioned in the clamping column 3 and is coaxial with the clamping column 3, a plurality of radial cutters 9 are uniformly distributed and fixed on the circumference of the outer circle surface of the circular cutter 7, the outer ends of the radial cutters 9 are fixedly connected with the clamping column 3, and the cutting edge direction of the radial cutters 9 is along the radial direction of the circular cutter 7.

The needle body 2 is arranged into a hollow cylinder shape, the middle diameter of the clamping column 3 is smaller than the diameters of two ends, and the middle diameter of the clamping column 3 is smaller than the diameter of the needle body 2.

One end of the drawing rod 4 far away from the needle body 2 is positioned at the outer side of the needle cylinder 1 and is fixedly provided with a supporting plate 5, and the diameter of the supporting plate 5 is larger than that of the drawing rod 4.

Working principle: when the liposuction needle is used, a small hole which is convenient for inserting the needle body 2 is cut on the skin for sucking fat, then the needle body 2 is inserted, the needle body 2 is inserted until one end of a needle hole on the needle body 2 reaches a fat layer, and a wound on the skin is sleeved on a place with small diameter in the middle of the clamping post 3, so that the support to the wound is reduced, the opening degree of the wound is reduced, the pain sense of the wound of a patient is reduced, the traction of the wound is reduced, and the wound healing of a subsequent patient is facilitated. Then hand cylinder 1 again pulling backup pad 5, backup pad 5 drive pull rod 4, and the removal of piston 6 is driven to pull rod 4 to make fat get into the inside of needle body 2 through the pinhole, when the fat is passing through joint post 3's inner wall minimum diameter under the drive of piston 6, under circular cutter 7's the stop, first blade 9 and circular cutter 7 can cut the fat, simultaneously, the fat after the segmentation can be to both sides diffusion. By the first blade 9 and the cutting of the circular cutter 7, the volume of fat is made smaller, so that fat is made easier to enter the cylinder 1.

Example two

As shown in fig. 4 to 7, the technical scheme adopted by the utility model is as follows:

the liposuction needle comprises a needle cylinder 1, wherein a needle body assembly is arranged at the left end of the needle cylinder 1 in a clamping manner, the needle body assembly comprises a needle body 2, and the needle body 2 is communicated with the needle cylinder 1; the needle body 2 is arranged in a plurality of sections. Adjacent needle bodies 2 are connected through clamping columns 3. The inner diameter of the clamping column 3 is smaller than the inner diameter of the needle body 2, the outer diameter of the clamping column 3 is smaller than the outer diameter of the needle body 2, each clamping column 3 is internally provided with a cutting assembly, the inside of the needle cylinder 1 is provided with a piston 6, the inner wall of the needle cylinder 1 is provided with a spiral groove 8, the piston 6 is rotationally connected with the needle cylinder 1 through the spiral groove 8, a drawing rod 4 is fixed on the piston 6, the needle body 2 is provided with a plurality of pinholes for absorbing fat, and the pinholes are provided with a plurality of pinholes.

The cutting assembly comprises a circular cutter 7, the circular cutter 7 is positioned in the clamping column 3 and is coaxial with the clamping column 3, a plurality of radial cutters 9 are uniformly distributed and fixed on the circumference of the outer circle surface of the circular cutter 7, the outer ends of the radial cutters 9 are fixedly connected with the clamping column 3, and the cutting edge direction of the radial cutters 9 is along the radial direction of the circular cutter 7.

The needle body 2 is elliptical, the clamping column 3 is hollow and cylindrical, the outer diameter of the clamping column 3 is equal to the diameter of the short shaft of the needle body 2, and the inner diameter of the clamping column 3 is smaller than the inner diameter of the needle body 2.

One end of the drawing rod 4 far away from the needle body 2 is positioned at the outer side of the needle cylinder 1 and is fixedly provided with a supporting plate 5, and the diameter of the supporting plate 5 is larger than that of the drawing rod 4. .

Working principle: when the liposuction needle is used, a small hole which is convenient for inserting the elliptical needle body 2 is cut on the skin for sucking fat, then the elliptical needle body 2 is inserted until one end of a needle hole on the elliptical needle body 2 reaches a fat layer, and a wound on the skin is sleeved on a place with small diameter in the middle of the clamping post 3, so that the support on the wound is reduced, the opening degree of the wound is reduced, the pain of the wound of a patient is reduced, the traction of the wound is reduced, and the wound healing of a subsequent patient is facilitated. Then hand cylinder 1 again pulling backup pad 5, backup pad 5 drive pull rod 4, and the removal of piston 6 is driven to pull rod 4 to make fat get into the inside of needle body 2 through the pinhole, when the fat is passing through joint post 3's inner wall minimum diameter under the drive of piston 6, under circular cutter 7's the stop, first blade 9 and circular cutter 7 can cut the fat, simultaneously, the fat after the segmentation can be to both sides diffusion. By the first blade 9 and the cutting of the circular cutter 7, the volume of fat is made smaller, so that fat is made easier to enter the cylinder 1.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. A liposuction needle, characterized in that: the needle comprises a needle cylinder (1), wherein a needle body assembly is arranged at the left end of the needle cylinder (1) in a clamping manner, the needle body assembly comprises a needle body (2), and the needle body (2) is communicated with the needle cylinder (1); needle body (2) set up to the multistage, link to each other through joint post (3) between adjacent needle body (2), the internal diameter of joint post (3) be less than the internal diameter of needle body (2), the external diameter of joint post (3) be less than the external diameter of needle body (2), every joint post (3) in all install a cutting assembly, be provided with piston (6) in cylinder (1), helical groove (8) have been seted up to the inner wall of cylinder (1), piston (6) are connected with cylinder (1) rotation through helical groove (8), be fixed with pull rod (4) on piston (6), be equipped with the pinhole that is used for absorbing fat on needle body (2), the pinhole is equipped with a plurality of.

2. A liposuction needle according to claim 1, wherein: the cutting assembly comprises a circular cutter (7), the circular cutter (7) is located in the clamping column (3) and is coaxial with the clamping column (3), a plurality of radial cutters (9) are uniformly distributed and fixed on the outer circumference of the circular cutter (7), the outer ends of the radial cutters (9) are fixedly connected with the clamping column (3), and the cutting edge direction of the radial cutters (9) is along the radial direction of the circular cutter (7).

3. A liposuction needle according to claim 1, wherein: the needle body (2) is arranged into a hollow cylinder shape, the middle diameter of the clamping column (3) is smaller than the diameters of two ends, and the middle diameter of the clamping column (3) is smaller than the diameter of the needle body (2).

4. A liposuction needle according to claim 1, wherein: one end of the drawing rod (4) far away from the needle body (2) is positioned at the outer side of the needle cylinder (1) and is fixedly provided with a supporting plate (5), and the diameter of the supporting plate (5) is larger than that of the drawing rod (4).

5. A liposuction needle according to claim 1, wherein: the needle body (2) is arranged to be oval, the clamping column (3) is arranged to be hollow cylindrical, the outer diameter of the clamping column (3) is equal to the minor axis diameter of the needle body (2), and the inner diameter of the clamping column (3) is smaller than the inner diameter of the needle body (2).