CN213310598U - Sawtooth line with big spine at tail part - Google Patents
Sawtooth line with big spine at tail part Download PDFInfo
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- CN213310598U CN213310598U CN202021229553.1U CN202021229553U CN213310598U CN 213310598 U CN213310598 U CN 213310598U CN 202021229553 U CN202021229553 U CN 202021229553U CN 213310598 U CN213310598 U CN 213310598U
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Abstract
The utility model relates to a big thorn sawtooth line in afterbody area, the utility model provides a be difficult to the fracture, and the thorn is bigger, tensile strength is high, carry to pull the holding power height to skin, barb lifting force retention time is long, make the lower big thorn sawtooth line in afterbody area of the risk of plastic cosmetic surgery, its one end is equipped with the line head section, line head section one end links to each other and is equipped with in the same direction as the thorn section, the cross-section of line head section is circular, the diameter is 0.2mm-2mm, be equipped with two oblique spines along the axis direction symmetrical arrangement of the big thorn sawtooth line in afterbody area in the same direction as the thorn section, be equipped with long limit and minor face on the oblique spine, oblique spine cross-sectional profile shape is triangle-shaped, the crossing formation thorn point of long limit and minor face that is equipped. The utility model can be widely applied to skin plastic and beauty treatment.
Description
Technical Field
The utility model relates to a cosmetic barb lifting wire for skin tissue correction, in particular to a sawtooth line with big barbs at the tail part.
Background
In the plastic and beauty industry, the barb lines are required to be locally and simultaneously have pulling force and pushing force in a body at special parts such as a nose end, a high nose bridge, an canthus, an eyebrow and the like, so that the plastic purpose is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a need the problem that the line has pulling force and thrust simultaneously to the position such as tip of the nose, high nose bridge, canthus, glabella, provide one kind and have two-way barb or anti two-way barb simultaneously, have pulling force and thrust simultaneously, if have the filler on both sides can keep parallel for operation easy operation, the lower afterbody area of the risk of plastic cosmetic operation stings the jagged line greatly.
Therefore, the technical scheme of the sawtooth line with the big spine at the tail part is as follows: the tail thorn line comprises a tail thorn serrated line with a large thorn at the tail, a line head section is arranged at one end of the tail thorn serrated line with the large thorn at the tail, the section of the line head section is circular, the diameter of the line head section is 0.2mm-6mm, a tail thorn section is arranged at the other end of the tail thorn serrated line with the large thorn at the tail, 4-8 tail thorns are symmetrically arranged along the central line of the tail thorn serrated line with the large thorn at the tail, the shape of the tail thorn is an obtuse triangle, a tail thorn bevel edge and a tail thorn short edge are arranged on the tail thorn, the tail thorn bevel edge and the tail thorn short edge are intersected at the outer end point and are provided with tail thorn tips pointing to the opposite direction of the line head section, a tail thorn vertical edge is connected with the inner end point of a tail thorn long edge adjacent to the opposite direction of the line head section, the tail thorn vertical edge is parallel to the central line of the tail thorn serrated line with the large thorn at the tail thorn, a tail thorn interval is arranged outside the tail thorn vertical edge between two adjacent tail thorn edges, the tail thorn interval between the -5 times.
Preferably, one end of the thread head section is connected with a reverse thorn section, the reverse thorn section is symmetrically provided with oblique thorns along the central line of a sawtooth line with a large thorn at the tail part, the oblique thorns are in obtuse triangle shapes, oblique thorn bevel edges and oblique thorn short edges are arranged on the oblique thorns, the oblique thorn bevel edges are oblique thorn bevel edges of the obtuse triangle shapes, oblique thorn sharp edges and oblique thorn short edges are intersected at the outer end points and are provided with oblique thorn tips, the oblique thorn tips point to the direction of the thread head section, the inner end points of the oblique thorn bevel edges are connected with the inner end points of the oblique thorn short edges adjacent to the opposite direction of the thread head section and are provided with upright edges at the same direction, the upright edges at the same direction are parallel to the central line of the sawtooth line with the large thorn at the tail part, the interval of the same direction thorns is arranged outside the upright edges at the same direction, one end of the reverse thorn section is connected with a middle section, the sizes are the same, the directions are opposite, and one end of the forward thorn section is connected with the tail thorn section.
Preferably, one end of the thread end section is connected with a forward stabbing section, the forward stabbing section is symmetrically provided with oblique stabs along the central line of a sawtooth line with a large stabbing at the tail part, the oblique stabs are in obtuse triangle shapes, oblique stabs are provided with oblique stabs oblique sides and oblique stabs short sides, the oblique stabs oblique sides and the oblique stabs short sides are intersected at the outer end points and are provided with oblique stabs, the oblique stabs sharp points point points in the opposite direction of the thread end section, the inner end points of the oblique stabs short sides and the inner end points of the oblique stabs oblique sides adjacent to the opposite direction of the thread end section are connected and are provided with vertical sides at the same direction, the vertical sides at the same direction are parallel to the central line of the sawtooth line with the large stabs at the tail part, the vertical sides at the same direction are provided with a same-direction stabs interval between the two adjacent oblique stabs, the forward stabs section is connected and provided, the sizes are the same, the directions are opposite, and one end of the barb-resisting section is connected with the tail barb section.
Preferably, one end of the thread end section is connected with a opposite-thorn section, the opposite-thorn section is symmetrically provided with a pair of oblique thorns along the central line of a sawtooth line with a large thorn at the tail part, the oblique thorns are in obtuse triangle shapes, oblique-thorn oblique sides and oblique-thorn short sides are arranged on the oblique thorns, the oblique-thorn oblique sides and the oblique-thorn short sides are intersected at the outer end points and are provided with oblique thorns, the oblique-thorn tips point to the direction of the thread end section, one end of the opposite-thorn section is connected with a forward-thorn section, the forward-thorn section is symmetrically provided with oblique thorns along the central line of the sawtooth line with the large thorn at the tail part, the oblique thorns and the opposite-thorn section are in the same shape, the same size and the opposite directions, the inner end points of the oblique-thorn short sides of the forward-thorn section and the inner end points of the oblique-thorn oblique-side adjacent to the direction of the thread end section are connected and are provided with vertical sides with, the middle section is connected and is equipped with the interlude, and the interlude is connected and is equipped with contrary thorn section, contrary thorn section and the oblique thorn and syntropy thorn spaced shape, size in the same direction of thorn section are the same, and the opposite direction, to thorn section oblique thorn hypotenuse inner point and adjacent in the same direction of thorn section oblique thorn inner point link to each other and are equipped with obtuse angle interval stile, and the obtuse angle interval stile outside is equipped with the obtuse angle interval, and contrary thorn section one end links.
Preferably, one end of the thread head section is connected with a forward and reverse thorn alternating section, the forward and reverse thorn alternating section is symmetrically provided with two rows of oblique thorns along the central line of a sawtooth line with a large thorn at the tail part, each oblique thorn is in an obtuse triangle shape, each oblique thorn is provided with an oblique thorn bevel edge and an oblique thorn short edge, each oblique thorn bevel edge is in an oblique thorn shape, each oblique thorn bevel edge and each oblique thorn short edge are intersected at the outer end point and are provided with oblique thorn points, two adjacent oblique thorn points in the central line direction of the sawtooth line with the large thorn at the tail part point are opposite, the inner end point of the oblique thorn bevel edge of the oblique thorn pointed at the thread head section direction is connected with the inner end point of the oblique thorn bevel edge pointed at the opposite direction of the thread head section and is provided with an obtuse angle interval vertical edge, the obtuse angle interval vertical edge is parallel to the central line of the sawtooth line with the large thorn at the tail part, the outer side of the obtuse angle interval vertical edge is provided with an obtuse angle interval, the inner, the acute angle interval vertical edges are parallel to the central line of the sawtooth line with the big thorns at the tail part, the acute angle interval is arranged outside the acute angle interval vertical edges, and one end of the forward and reverse thorns alternating section is connected with the tail thorns section.
Preferably, the included angle between the oblique thorn bevel edge and the oblique thorn short edge is 15-60 degrees, and the distance between the connecting line of the oblique thorn tips of one row of oblique thorn and the connecting line of the oblique thorn tips of the other row of oblique thorn is 0.5-0.8 times of the distance between the connecting line of the tail thorn tips arranged on the tail thorn section and the connecting line of the tail thorn tips of the other row of oblique thorn.
Preferably, the maximum outer profile of the cross section of the spur-following section, the spur-reversing end, the spur-facing section and the tail-spur section is flat drum-shaped or oval, or the upper part is drum-shaped and the right lower part is circular arc-shaped.
Preferably, the cross-section of the middle section is circular or the same as the maximum outer contour of the spur section.
Preferably, the maximum outer profile of the cross section of the forward and reverse thorn alternating sections and the tail thorn sections is flat drum shape or oval shape or the upper part is drum shape and the right lower part is circular arc shape.
Preferably, the tail part is provided with a large thorn sawtooth line made of 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 triangular, so that the tensile strength of the wire is high, the structural stability is good, the density of the spines is high, the lifting force is large and not easy to break, the lifting effect is good, and the duration of the lifting force is long; 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. And because of the arrangement of bidirectional oblique stabs or alternate oblique stabs, the thread can be pulled or pushed after entering the tissues in the body, and the shaping device is suitable for shaping different parts in different directions. 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 front view of an embodiment of the present invention;
fig. 2 is a three-dimensional perspective view of an embodiment of the present invention;
FIG. 3 is a front view of another embodiment of the present invention;
FIG. 4 is a three-dimensional perspective view of another embodiment of the present invention;
FIG. 5 is a front view of another embodiment of the present invention;
fig. 6 is a three-dimensional perspective view of another embodiment of the present invention;
FIG. 7 is a front view of another embodiment of the present invention;
fig. 8 is a three-dimensional perspective view of another embodiment of the present invention;
FIG. 9 is a line head section cross-sectional profile view;
FIG. 10 is a cross-sectional profile view of a drum shape of the forward thorn section, the reverse thorn section, the double thorn section, the alternating forward and reverse thorn section, and the tail thorn section;
FIG. 11 is an elliptical cross-sectional profile of a clockwise spine segment, a counter-spine segment, a double spine segment, an alternating clockwise spine and counter-spine segment, and a tail spine segment;
FIG. 12 is a cross-sectional profile view of a drum-shaped right-lower square circular arc-shaped cross section above a forward thorn section, a reverse thorn section, a double thorn section, a forward and reverse thorn alternating section and a tail thorn section;
FIG. 13 is an enlarged partial view of the tail barb segment;
FIG. 14 is an enlarged partial view of the spur section;
FIG. 15 is an enlarged partial view of the barb section;
FIG. 16 is a partial enlarged view of the alternating clockwise and counter clockwise portions.
The symbols in the drawings illustrate that:
1. a thread end section; 2. a thorn arranging section; 201. oblique needling; 202. interval needling in the same direction; 203. oblique-stabbing bevel edges; 204. obliquely needling the short side; 205. standing edges at intervals in the same direction; 206. obliquely puncturing a tip; 3. a middle section; 4. a reversed thorn section; 5. a tail barb section; 501. tail thorn; 502. spacing tail thorns; 503. a tail burr bevel edge; 504. the tail spine short side; 505. standing the edge by a tail thorn; 506 tail thorn tip; 6. a forward and reverse thorn alternating section; 601. acute angle interval; 602. obtuse angle intervals; 603. obtuse angle interval vertical edges; 604. acute angle interval stile; 7. and (6) opposite needling sections.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1-16, in the embodiment of the present invention, one end of the sawtooth line with large thorns at the tail is provided with a line head section 1, the cross section of the line head section 1 is circular, the diameter is 0.2mm-6mm, the other end of the sawtooth line with large thorns at the tail is provided with a tail section 5, the tail section 5 is symmetrically provided with 4-8 tail thorns 501 along the central line of the sawtooth line with large thorns at the tail, as shown in fig. 13, the tail thorns 501 are obtuse triangles, the tail thorns 501 are provided with a tail oblique side 503 and a tail thorns short side 504, the tail thorns oblique side 503 is the oblique side of the obtuse triangle of the tail thorns 501, the tail thorns oblique side 503 and the tail thorns short side 504 are intersected and provided with tail thorns tip 506 at the outer end, the tail thorns tip 506 points in the opposite direction of the line head section 1, the inner end point of the tail thorns short side 504 is connected with the inner end point of the tail thorns long side, the outer side of a tail thorn vertical edge 505 between two adjacent tail thorns 501 is provided with a tail thorn interval 502, the angle between a tail thorn inclined edge 503 and a tail thorn short edge 504 is 15-60 degrees, and the distance between the connecting line of tail thorn tips 506 of one row of tail thorns 501 and the connecting line of tail thorn tips 506 of the other row of tail thorns 501 is 1.5-5 times of the diameter of the thread head section 1.
As shown in fig. 1-2, one end of the thread end section 1 is connected with an inverted thorn section 4, the inverted thorn section 4 is symmetrically provided with oblique thorns 201 along the central line of the sawtooth line with the big thorn at the tail part, the oblique thorns 201 are in the shape of obtuse triangles as shown in fig. 15, the oblique thorns 201 are provided with oblique thorns oblique sides 203 and oblique thorns short sides 204, the oblique thorns oblique sides 203 are oblique sides of the obtuse triangles in the shape of the oblique thorns 201, the oblique thorns oblique sides 203 and the oblique thorns short sides 204 are intersected at the outer end points and provided with oblique thorns 206, the oblique thorns tips 206 point to the direction of the thread end section 1, the inner end points of the oblique thorns oblique sides 203 are connected with the inner end points of the oblique thorns short sides 204 adjacent to the opposite direction of the thread end section 1 and provided with equidirectional interval vertical sides 205, the equidirectional interval vertical sides 205 are parallel to the central line with the sawtooth line with the big thorn at, the oblique thorns 201 and the same-direction thorns 202 of the forward thorns section 2 and the reverse thorns section 4 are same in shape and size and opposite in direction, and one end of the forward thorns section 2 is connected with the tail thorns section 5.
As shown in fig. 3-4, a forward stinging section 2 is connected to one end of a thread head section 1, a diagonal stinging 201 is symmetrically arranged on the forward stinging section 2 along a central line of a sawtooth line with a large sting at the tail part, as shown in fig. 14, the diagonal stinging 201 is in an obtuse triangle shape, a diagonal stinging bevel 203 and a diagonal stinging short side 204 are arranged on the diagonal stinging 201, the diagonal stinging bevel 203 is in an obtuse triangle shape, the diagonal stinging bevel 203 and the diagonal stinging short side 204 are intersected at outer end points and provided with a diagonal stinging tip 206, the diagonal stinging tip 206 points to the opposite direction of the thread head section 1, an inner end point of the diagonal stinging short side 204 is connected with an inner end point of a diagonal stinging bevel 203 adjacent to the opposite direction of the thread head section 1 and provided with a same-direction spaced vertical side 205, the same-direction spaced vertical side 205 is parallel to the central line with the sawtooth line with the large sting at the tail part, a same-direction stinging interval 202 is arranged outside, the shape and size of the oblique spine 201 and the equidirectional spine interval 202 of the reverse spine section 4 and the forward spine section 2 are the same, and the directions are opposite, and one end of the reverse spine section 4 is connected with the tail spine section 5.
As shown in fig. 5-6, a opposite-prick section 7 is connected and arranged at one end of a thread head section 1, a pair of oblique pricks 201 are symmetrically arranged on the opposite-prick section 7 along the central line of a saw-tooth line with a big prick at the tail part, the oblique pricks 201 are in an obtuse triangle shape, an oblique prick bevel 203 and an oblique prick short side 204 are arranged on the oblique pricks 201, the oblique prick bevel 203 and the oblique prick short side 204 are intersected at the outer end points and are provided with oblique pricks 206, the oblique pricks 206 point to the direction of the thread head section 1, a forward prick section 2 is connected and arranged at one end of the opposite-prick section 7, the forward prick section 2 is symmetrically provided with the oblique pricks 201 along the central line of the saw-tooth line with the big prick at the tail part, the oblique pricks 201 and the oblique pricks 201 arranged on the opposite-prick section 7 are the same shape and same size and opposite directions, the inner end point of the oblique prick short side 204 of the forward prick section 2 is connected and, be equipped with syntropy thorn interval 202 in syntropy interval stile 205 outside between two adjacent oblique spines 201, connect in the same direction and be equipped with interlude 3 in the same direction thorn section 2, interlude 3 connects and is equipped with contrary thorn section 4, contrary thorn section 4 and in the same direction thorn section 2 oblique spine 201 and syntropy thorn interval 202 shape, the size is the same, opposite direction, to thorn section 7 oblique spine inclined edge 203 inner endpoint of thorn 201 and adjacent in the same direction thorn section 2 oblique spine 203 inner endpoint of thorn 201 link to each other and are equipped with obtuse angle interval stile 603, obtuse angle interval stile 603 outside is equipped with obtuse angle interval 602, contrary thorn section 4 one end and the tail thorn section 5 of stinging link to each other.
As shown in fig. 7-8, a forward and reverse prick alternating section 6 is connected to one end of a thread head section 1, two rows of oblique pricks 201 are symmetrically arranged on the forward and reverse prick alternating section 6 along a central line of a large prick saw line at the tail, as shown in fig. 16, the oblique pricks 201 are in an obtuse triangle shape, an oblique prick inclined edge 203 and an oblique prick short edge 204 are arranged on the oblique pricks 201, the oblique prick inclined edge 203 is an oblique prick of the obtuse triangle shape 201, the oblique prick inclined edge 203 and the oblique prick short edge 204 are intersected at outer end points and provided with an oblique prick tip 206, two adjacent oblique prick tips 206 point to opposite directions along the central line direction of the large prick saw line at the tail, an obtuse angle interval standing edge 603 is connected to the inner end point of the oblique prick inclined edge 203 pointing to the thread head section 1 direction of the oblique prick tip 206, the obtuse angle interval standing edge 603 is parallel to the central line of the large prick saw, the inner end of the short oblique stabbing edge 204 of the oblique stabbing 201 of the oblique stabbing tip 206 pointing to the opposite direction of the thread head section 1 is connected with the inner end of the short oblique stabbing edge 204 pointing to the adjacent opposite direction of the thread head section 1 to form an acute angle interval vertical edge 604, the acute angle interval vertical edge 604 is parallel to the central line of the sawtooth line with the big stabs at the tail part, an acute angle interval 601 is arranged outside the acute angle interval vertical edge 604, and one end of the alternating straight stabbing section 6 is connected with the tail stabbing section 5.
The included angle between the oblique stabbing bevel edge 203 and the oblique stabbing short edge 204 is 15-60 degrees, the distance between the connecting line of the oblique stabbing tips 206 of one row of the oblique stabs 201 and the connecting line of the oblique stabs 206 of the other row of the oblique stabs 201 is 0.5-0.8 times of the distance between the connecting line of the tail stabs 506 arranged on the tail stabs section 5 and the connecting line of the tail stabs 506 of the other row of the oblique stabs 201, and the size of the tail stabs 501 of the tail stabs section 5 is larger than that of the oblique stabs 201.
As shown in fig. 10-12, the maximum outer profile of the cross section of the forward thorn section 2, the reverse thorn end, the opposite thorn section 7 and the tail thorn section 5 is flat drum-shaped or oval-shaped or the upper part is drum-shaped and the right lower part is circular arc-shaped, the maximum outer profile of the cross section is drum-shaped, 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. The section of the middle section 3 is round or the same as the maximum outer contour of the spur section.
As shown in FIGS. 10-12, the maximum outer profile of the cross section of the clockwise and anticlockwise stinging alternating sections 6 and the caudal stinging sections 5 is flat drum shape or oval shape or the upper part is drum shape and the right lower part is circular arc shape.
The tail part is provided with a large thorn sawtooth line made of PDO or PDO-PCL or PCA-PDO or PCL or PGCL or PLA-PCL or PP or PA.
As shown in figures 1-8, the oblique thorns 201 in the positive and negative directions exist in the saw-tooth line with the large thorns at the tail part of the forward thorns, so that the arrangement has the advantage that the pulling force and the pushing force can be generated simultaneously when the device is used, and the shaping and fixing effects are achieved.
When the multifunctional needle is used, a thread is connected to the needle tail or penetrates into the needle with the hole, the needle can be a sharp needle, a blunt point and a semi-blunt point, the thread body is brought into a human body through the needle, and the functions of fixing, lifting and filling are achieved in the human body through the inclined pricks 201 and the tail pricks 501 on the thread body, and the inclined pricks 201 are triangular, so that the multifunctional needle has great advantages in fixing and lifting strength and stability.
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.
Claims (10)
1. A big thorn sawtooth line is taken to afterbody, characterized by: the tail thorn line comprises a tail end provided with a big thorn sawtooth line, a tail thorn section is arranged at one end of the tail end provided with the big thorn sawtooth line, the section of the tail thorn section is circular, the diameter of the tail end is 0.2mm-6mm, the other end of the tail end provided with the big thorn sawtooth line is provided with the tail thorn section, the tail thorn section is symmetrically provided with 4-8 tail thorns along the central line of the tail end provided with the big thorn sawtooth line, the tail thorn is in an obtuse triangle shape, a tail thorn bevel edge and a tail thorn short edge are arranged on the tail thorn, the tail thorn bevel edge is in an obtuse triangle shape, the tail thorn bevel edge and the tail thorn short edge are intersected at the outer end point and provided with a tail thorn tip, the tail thorn tip points to the opposite direction of the tail thorn section, the inner end point of the tail thorn short edge is connected with the inner end point of the tail thorn long edge adjacent to the opposite direction of the tail thorn section, the tail thorn vertical edge is parallel, the angle between the bevel edge of the tail barb and the short edge of the tail barb is 15-60 degrees, and the distance between the connecting line of the tail barb tips of one row of the tail barb and the connecting line of the tail barb tips of the other row of the tail barb is 1.5-5 times of the diameter of the head section of the wire.
2. The sawtooth line with the big spine at the tail part of the utility model as claimed in claim 1, is characterized in that: the wire head section is provided with a reverse thorn section in a connected mode, the reverse thorn section is symmetrically provided with oblique thorns along a central line of a sawtooth line with a large thorn at the tail part, the oblique thorns are obtuse triangles, oblique thorn bevel edges and oblique thorn short edges are arranged on the oblique thorns, the oblique thorn bevel edges are oblique thorn obtuse triangle bevel edges, oblique thorn tips are arranged at the outer end points of the oblique thorn bevel edges and the oblique thorn short edges in an intersected mode, the oblique thorn tips point to the direction of the wire head section, the inner end points of the oblique thorn bevel edges are connected with the inner end points of the oblique thorn short edges adjacent to the opposite direction of the wire head section and are provided with upright edges at intervals in the same direction, the upright edges at intervals in the same direction are parallel to the central line of the sawtooth line with the large thorn at the tail part, an interval of the same-direction thorns is arranged between the two adjacent oblique thorns, one end of the reverse thorn section is connected with an intermediate section, the intermediate section is connected with a forward, The sizes are the same, the directions are opposite, and one end of the forward thorn section is connected with the tail thorn section.
3. The sawtooth line with the big spine at the tail part of the utility model as claimed in claim 1, is characterized in that: the wire head section is provided with a forward needling section in a connected mode, the forward needling section is symmetrically provided with oblique spines along a central line of a sawtooth line with a large spine at the tail part, the oblique spines are in obtuse triangle shapes, oblique spine bevel edges and oblique spine short edges are arranged on the oblique spines, the oblique spine bevel edges and the oblique spine short edges are intersected at outer end points and are provided with oblique spine tips, the oblique spine tips point to the opposite direction of the wire head section, the inner ends of the oblique spine short edges are connected with the inner ends of oblique spine bevel edges adjacent to the opposite direction of the wire head section and are provided with upright edges at intervals in the same direction, the upright edges at intervals in the same direction are parallel to the central line of the sawtooth line with the large spine at the tail part, the oblique spines between two adjacent oblique spines are provided with intervals in the same direction at the outer sides of the upright edges at intervals in the same direction, the forward needling section is provided with a middle section in a connected mode, the middle section is provided with an inverted spine section, The sizes are the same, the directions are opposite, and one end of the barb section is connected with the tail barb section.
4. The sawtooth line with the big spine at the tail part of the utility model as claimed in claim 1, is characterized in that: the oblique stabs are the same in shape and size and opposite in direction with the opposite stabs, the inner end points of the oblique stabs short sides of the opposite stabs are connected with oblique stabs adjacent oblique stabs line oblique stabs section along the tail portion of the head portion of the thread, the same-direction spaced vertical sides are arranged, and the same-direction spaced vertical sides are parallel to the central line of the tail portion of the large stabs sawtooth line, adjacent two oblique thorn is equipped with syntropy thorn interval in syntropy interval stile outside between the oblique thorn, be equipped with the interlude in the same direction of thorn section connection, the interlude connection is equipped with contrary thorn section, contrary thorn section is the same with the oblique thorn and syntropy thorn spaced shape, size in the same direction of thorn section, opposite direction, to thorn section oblique thorn hypotenuse inner point and the adjacent oblique thorn hypotenuse inner point of thorn section oblique thorn in the same direction of thorn section link to each other and be equipped with obtuse angle interval stile, obtuse angle interval stile outside is equipped with the obtuse angle interval, contrary thorn section one end and tail thorn section link to each other.
5. The sawtooth line with the big spine at the tail part of the utility model as claimed in claim 1, is characterized in that: the oblique thorn comprises a string head section and is characterized in that a forward and reverse thorn alternating section is connected to one end of the string head section, two rows of oblique thorns are symmetrically arranged on the forward and reverse thorn alternating section along a sawtooth line center line with a large thorn at the tail, the oblique thorns are in obtuse triangle shapes, oblique thorn oblique sides and oblique thorn short sides are arranged on the oblique thorns, oblique thorn tips are arranged at the outer end points of the oblique thorn oblique sides and the oblique thorn short sides in an intersecting manner, two adjacent oblique thorn tips in the central line direction of the sawtooth line with the large thorn at the tail point in opposite directions, the inner end points of the oblique thorn oblique sides of the oblique thorns with the oblique thorn tips pointing to the string head section direction are connected with the inner end points of the oblique thorn sides pointing to the opposite directions of the string head section, obtuse angle interval vertical sides are parallel to the central line of the sawtooth line with the large thorn at the tail, obtuse angle interval vertical sides are arranged at the outer sides, and the inner ends of the oblique thorn short sides of The acute angle interval vertical edges are arranged in a connected mode, the acute angle interval vertical edges are parallel to the central line of the sawtooth line with the big thorns at the tail part, acute angle intervals are arranged on the outer sides of the acute angle interval vertical edges, and one end of the forward and reverse thorns alternating section is connected with the tail thorns section.
6. The sawtooth line with the big spine at the tail part as claimed in any one of claims 2 to 5, wherein: the included angle between the oblique thorn bevel edge and the oblique thorn short edge is 15-60 degrees, and the distance between the connecting line of the oblique thorn tips of one row of the oblique thorn and the connecting line of the oblique thorn tips of the other row of the oblique thorn is 0.5-0.8 time of the distance between the connecting line of the tail thorn tips arranged on the tail thorn section and the connecting line of the tail thorn tips of the other row of the oblique thorn.
7. The sawtooth line with the big spine at the tail part as claimed in any one of claims 2 to 4, wherein: the maximum outer profile of the cross section of the forward thorn section, the reverse thorn end, the opposite thorn section and the tail thorn section is flat drum shape or oval shape or the upper part is drum shape and the right lower part is circular arc shape.
8. The sawtooth line with the big spine at the tail part as claimed in claim 7, wherein: the cross section of the middle section is circular or the same as the maximum outer contour of the spur section.
9. The sawtooth line with the big spine at the tail part as claimed in claim 5, wherein: the maximum outer profile of the cross section of the forward and reverse thorn alternating section and the tail thorn section is flat drum shape or oval shape or the upper part is drum shape and the right lower part is circular arc shape.
10. The sawtooth line with the big spine at the tail part as claimed in any one of claims 1 to 5, wherein: the tail part is provided with a large thorn sawtooth line made of PDO or PDO-PCL or PCA-PDO or PCL or PGCL or PLA-PCL or PP or PA.
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