Strong sawtooth line
Technical Field
The utility model relates to a cosmetic barb lifting line for skin tissue correction, in particular to a strong sawtooth line.
Background
In the plastic cosmetic industry, the existing barb lifting line is generally formed by obliquely cutting barbs on a line through a cutter, in the using process of a product, the barb cutting part of the cutter is easy to break, the barbs are small, the tensile strength is low, the lifting supporting force to the skin is also low, the barb lifting force retention time is short, and the risk of the plastic cosmetic operation is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at is to the easy fracture in thorn position of cutting to current barb lifting line to the thorn is less, and tensile strength is low, and to skin carry and draw the holding power also low, the short problem of barb lifting force dwell time provides a tensile strength height, and to skin carry and draw the holding power height, promote effectually, a strong sawtooth line that lifting force dwell time is long.
Therefore, the technical scheme of the strong sawtooth line is as follows: one end of the strong sawtooth line is provided with a line head section, one end of the line head section is provided with a positive thorn section in a connected mode, the section of the line head section is circular, the diameter of the line head section is 0.2mm-2mm, the positive thorn section is provided with two rows of oblique spines symmetrically arranged along the axis direction of the strong sawtooth line, each oblique spine is provided with a long side, an oblique spine vertical side and a short side, the outline shape of the oblique spine is trapezoidal, a spine vertical side arranged on each oblique spine is intersected with the short side to form a spine point, the spine point points to the opposite direction of the line head section, one end of the oblique spine vertical side of each oblique spine is connected with the outer end of the long side, the other end of the oblique spine vertical side is connected with the outer end of the short side, the inner end of the short side of each oblique spine is connected with the inner end of the long side adjacent to the opposite direction of the line head section and is provided with a vertical side, the spine interval for separating two adjacent oblique spines is arranged on the, the distance between the connecting line of the puncture points of one row of oblique thorns and the connecting line of the puncture points of the other row of oblique thorns is 1.2-2 times of the diameter of the wire head section, and the distance between the adjacent oblique thorns is 1.3-2.5 times of the distance between the connecting line of the puncture points of one row of oblique thorns and the connecting line of the puncture points of the other row of oblique thorns.
Preferably, the maximum outer profile of the cross section of the spur section is in a shape of a flat drum or an ellipse, or the upper part is in a shape of a drum and the right lower part is in a shape of a circular arc.
Preferably, the one end of the forward thorn section is provided with a middle section, the one end of the middle section is provided with a reverse thorn section, the shape and size of the reverse thorn section are the same as those of the oblique thorn and the thorn interval of the forward thorn section, and the directions are opposite.
Preferably, the connection of the anti-thorn section one end is equipped with the line tail section, and the line tail section is the mould pressing raw materials line original state, and the cross-section is circular.
Preferably, the maximum outer profile of the cross section of the forward stabbing section and the backward stabbing section is in a flat drum shape.
Preferably, the maximum outer contour of the cross section of the forward stabbing section and the backward stabbing section is an ellipse.
Preferably, the upper part of the maximum outer profile of the cross section of the forward stabbing section and the backward stabbing section is a drum shape, and the right lower part of the cross section of the forward stabbing section and the backward stabbing section is a circular arc shape.
Preferably, the cross-section of the middle section is circular, with a diameter equal to the diameter of the thread end section.
Preferably, the cross section of the middle section is the same as the maximum outer contour of the spur section.
Preferably, the material of the strong zigzag lines is PDO or PDO-PCL or PCA-PDO or PCL or PGCL or PLA-PCL or PP or PA.
The utility model has the advantages that the oblique spines are trapezoidal, the tensile strength of the wire is high, the structural stability is good, the spine tip is wide, the lifting force is large, the lifting effect is good, the lifting force lasts for a long time and is not easy to break; the effect is durable after the artificial skin is implanted into the human body sub-cortex for lifting, the operation is simple, and the safety is high.
The maximum outer profile of the sections of the forward thorn section and the backward thorn section is drum-shaped, so that the bending performance is good, and the processability is good; the support strength is good by setting the support in an elliptical shape; the support strength is high when the upper part is drum-shaped and the lower part is circular arc-shaped, and the support is easy to process.
And because the material PDO or PDO-PCL or PCA-PDO or PCL is adopted, the material can be absorbed by the human body, the strength is high, the plasticity is good, and the absorption time is controllable.
Drawings
Fig. 1 is a schematic view of the present invention;
fig. 2 is a front view of the utility model;
fig. 3 is a three-dimensional perspective view of the present invention;
FIG. 4 is a cross-sectional view of a thread end segment;
FIG. 5 is a cross-sectional profile view of the drum shape of the spur and spur sections;
FIG. 6 is an elliptical cross-sectional profile view of a forward stab section and a reverse stab section;
FIG. 7 is a cross-sectional profile view of a drum-shaped right-below circular arc-shaped cross section above the spur section and the spur section;
FIG. 8 is a cross-sectional view of the mid-section and spur-section drum;
FIG. 9 is an elliptical cross-sectional profile view of the middle section;
FIG. 10 is a cross-sectional profile of a right-under-crowning arc shape at the top of the middle section;
FIG. 11 is a partial enlarged view of the spur section.
The symbols in the drawings illustrate that:
1. a thread end section; 2. a spur section; 201. a long side; 202. a short side; 203. standing; 204. oblique needling; 205. pricking; 206. the thorn intervals; 207. obliquely needling and erecting edges; 3. a middle section; 4. a reverse thorn section; 5. and a wire tail section.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in FIGS. 1-11, an embodiment of the present invention is an embodiment of the present invention, a strong sawtooth line is provided with a line head section 1 at one end, the line head section 1 is provided with a positive thorn section 2 at one end, the line head section 1 has a circular cross section and a diameter of 0.2mm-2mm, the positive thorn section 2 is provided with two rows of oblique thorns 204 symmetrically arranged along the axial direction of the strong sawtooth line, the oblique thorns 204 are provided with a long side 201, an oblique thorn upright side 207 and a short side 202, the oblique thorns 204 have a trapezoidal cross-sectional profile, the oblique thorn upright side 207 provided on the oblique thorns 204 intersects with the short side 202 to form a thorn tip 205, the thorn tip 205 points to the opposite direction of the line head section 1, one end of the oblique thorn upright side 207 of the oblique thorns 204 is connected with the outer end of the long side 201, the other end is connected with the outer end of the short side 202, the inner end of the short side 202 of the oblique thorns 204 is connected with the inner end, the included angle between the long side 201 and the short side 202 arranged on the oblique pricks 204 is 15-45 degrees, the included angle between the short side 202 and the vertical side 203 is 30-80 degrees, the vertical side 203 and the oblique prick vertical side 207 are parallel to the central line of the strong sawtooth line, the distance between the connecting line of the prick points 205 of one row of the oblique pricks 204 and the connecting line of the prick points 205 of the other row of the oblique pricks 204 is 1.2-2 times of the diameter of the thread head section 1, and the distance between the adjacent oblique pricks 204 is 1.3-2.5 times of the distance between the connecting line of the prick points 205 of one row of the oblique pricks 204 and the connecting line of the prick.
As shown in fig. 5-7, the maximum outer profile of the cross section of the spur section 2 is flat drum shape or oval shape or the upper part is drum shape and the right lower part is circular arc shape, the maximum outer profile of the cross section is drum shape, the bending performance is good, and the processability is good; the support strength is good by setting the support in an elliptical shape; the support strength is high when the upper part is drum-shaped and the lower part is circular arc-shaped, and the support is easy to process.
As shown in FIGS. 1-3, one end of the forward needling segment 2 is connected to form a middle segment 3, one end of the middle segment 3 is connected to form a reverse needling segment 4, and the reverse needling segment 4 is the same as the oblique needling 204 and the needling interval 206 of the forward needling segment 2 in shape and size and in opposite directions. This has the advantage of serving the function of reverse barb lifting in use.
As shown in figures 1-3, one end of the reverse thorn section 4 which is arranged at one end of the middle section 3 is connected with the wire tail section 5, and the cross section of the wire tail section 5 is circular.
5-7, the maximum outer profile of the cross section of the forward thorn section 2 and the backward thorn section 4 is flat drum shape; the maximum outer contour of the cross section of the forward thorn section 2 and the backward thorn section 4 is oval; the upper part of the maximum outer profile of the cross sections of the forward thorn section 2 and the backward thorn section 4 is a drum shape, and the right lower part of the cross section is a circular arc shape; the cross-section of the middle section 3 is circular.
As shown in fig. 8-10, the cross-section of the middle section 3 is the same as the maximum outer contour of the spur section 2.
The material of the strong zigzag line is PDO or PDO-PCL or PCA-PDO or PCL or PGCL or PLA-PCL or PP or PA.
The strong zigzag line can only comprise a line head section 1 and a positive thorn section 2, can also comprise a line head section 1, a positive thorn section 2 and a line tail section 5, or comprises a line head section 1, a positive thorn section 2, a middle section 3 and a reverse thorn section 4, or comprises a line head section 1, a positive thorn section 2, a middle section 3, a reverse thorn section 4 and a line tail section 5.
During the use with line connection in the needle tail or penetrate foraminiferous needle, the needle can be sharp needle, blunt head and semi-blunt head, bring the line body into the human body through the needle, in the internal tissue thing is filled to thorn interval 206, through the oblique thorn 204 on the line body, play fixed effect of carrying and filling in the human body, because the oblique thorn is trapezoidal angular, the intensity of thorn is high, has very big advantage in fixed intensity of carrying.
The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the claims of the present invention.