Suturing thread for facelift and body lift
11523819 · 2022-12-13
Assignee
Inventors
Cpc classification
A61F2220/0016
HUMAN NECESSITIES
A61B2017/00004
HUMAN NECESSITIES
A61B17/06
HUMAN NECESSITIES
A61F2/00
HUMAN NECESSITIES
International classification
A61F2/00
HUMAN NECESSITIES
Abstract
The present invention relates to a suturing thread for providing a more efficient lift procedure, and provides a suturing thread for a facelift and a body lift, wherein the suturing thread is made of a polymer material and has a plurality of conical protrusions or a plurality of funneled protrusions formed on an outer circumferential surface of a main thread of the suturing thread.
Claims
1. A suturing thread for face lift and body lift made of a polymer or gold with a plurality of protrusion units formed on an outer circumferential surface of a main thread of the suturing thread in which each of the plurality of protrusion units consists of two protrusions and each protrusion of each protrusion unit has a structure of cone, polygonal cone, truncated cone, modified polygonal cone, truncated polygonal cone, or modified truncated polygonal cone formed to have a radially symmetric structure around the main thread of the suturing thread, or has a funnel shape in which a part or whole of a space defined by a circumferential surface of the structure and the main thread of the suturing thread is empty, and the two protrusions of each protrusion unit are directly adhered to each other in an hourglass-shaped arrangement so as to form a unitary protrusion unit structure in which an imaginary vertex of one protrusion of the protrusion unit structure is oriented in a direction opposite that of an imaginary vertex of another protrusion of the protrusion unit structure.
2. The suturing thread for face lift and body lift according to claim 1, wherein an angle of a generatrix as a slope of the protrusion structure is formed at an angle of 20° to 60° relative to a center axis of the main thread of the suturing thread.
3. The suturing thread for face lift and body lift according to claim 1, wherein a bottom surface of the protrusion structure is either a flat surface or a curved surface which is concavely depressed.
4. The suturing thread for face lift and body lift according to claim 1, wherein thickness of an outer wall of the funnel shape is 30% to 90% of the diameter of the main thread of the suturing thread.
5. The suturing thread for face lift and body lift according to claim 1, wherein the polymer is either a non-absorbable polymer or an absorbable polymer.
6. The suturing thread for face lift and body lift of claim 5, wherein the non-absorbable polymer is selected from the group consisting of PET (polyenthylene terephthalate), nylon, polyamide, PVDF (polyvinyldene fluoride), and polypropylene.
7. The suturing thread for face lift and body lift of claim 5, wherein the absorbable polymer is selected from the group consisting of polydioxanone, polymer of lactic acid (L-lactide), polymer of glycolic acid (glycolide), copolymer of lactic acid and glycolic acid (glycolide) or poly dioxane, lactic acid (L-lactide), glycolic acid (glycolide), or a copolymer thereof blended with caplolactone or trimethylene carbonate.
8. The suturing thread for face lift and body lift according to claim 1, wherein the plurality of protrusion units is formed by alternately arranging protrusions in one direction and protrusions in an opposite direction.
9. The suturing thread for face lift and body lift according to claim 8, wherein the suturing thread is a symmetry type in which a number of the protrusions arranged in one direction is the same as a number of the protrusions arranged in the opposite direction.
10. The suturing thread for face lift and body lift according to claim 1, wherein the two protrusions of each protrusion unit are formed in two directions such that extended generatrix lines of the protrusions meet each other inside the main thread of the suturing thread, the imaginary vertices of the protrusion unit structures defining an angle oriented in each of the two directions.
11. The suturing thread for face lift and body lift according to claim 1, wherein the plurality of protrusion units comprise protrusions of a same size or of different sizes.
12. The suturing thread for face lift and body lift according to claim 1, wherein the plurality of protrusion units comprise protrusions of a same shape or of different shapes.
13. The suturing thread for face lift and body lift according to claim 1, wherein the plurality of protrusion units is arranged either regularly or irregularly.
14. The suturing thread for face lift and body lift of claim 1, wherein a bottom surface of each of the protrusions is of a circular shape, an oval shape, a polygonal shape, or a modified polygonal shape.
15. The suturing thread for face lift and body lift of claim 1, wherein extended generatrix lines defining the imaginary vertex of the one protrusion of the protrusion unit structure overlap extended generatrix lines defining the imaginary vertex of the other protrusion of the protrusion unit structure.
Description
BRIEF DESCRIPTION OF DRAWINGS
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BEST MODES FOR CARRYING OUT THE INVENTION
(16) According to one aspect of the present invention, provided is a suturing thread for face lift and body lift made of a polymer or gold with a plurality of protrusions formed on an outer circumferential surface of a main thread of the suturing thread in which the protrusion has a stereo structure of cone, polygonal cone, truncated cone, modified polygonal cone, truncated polygonal cone, modified truncated polygonal cone, cylinder, modified cylinder, polygonal cylinder, or modified polygonal cylinder that are formed to have a radially symmetric structure around a main thread of the suturing thread, or has a funnel shape in which a part or whole of the space excluding the outer circumferential surface of the stereo structure and a main thread part of the suturing thread present inside is empty, and the plurality of protrusions is symmetrically arranged such that their vertices can face each other with respect to the center of the suturing thread.
(17) According to another example of the present invention, provided is a suturing thread for face lift and body lift made of a polymer or gold with a plurality of paired protrusions or protrusion units formed on an outer circumferential surface of a main thread of the suturing thread in which the protrusion has a stereo structure of cone, polygonal cone, truncated cone, modified polygonal cone, truncated polygonal cone, modified truncated polygonal cone, cylinder, modified cylinder, polygonal cylinder, or modified polygonal cylinder that are formed to have a radially symmetric structure around a main thread of the suturing thread, or has a funnel shape in which a part or whole of the space excluding the outer circumferential surface of the stereo structure and a main thread part of the suturing thread present inside is empty.
(18) With regard to a plurality of the paired protrusions or protrusion units in the suturing thread for face lift and body lift, the pair is formed such that the bottom surfaces or vertices of the protrusions can face each other so that one pair of protrusions or protrusion units can exert simultaneously the lifting function and anchoring function.
(19) With regard to the suturing thread for face lift and body lift according to the present invention, the protrusion units may have not only the symmetric protrusions, i.e., a bobbin shape (- ->-<- -) in which the bottom surfaces or vertices of the protrusions face each other or a spear shape (- -<->- -) with sharp end, but also an asymmetric shape (e.g., -<<->- -, - -<-<->- -, - ->>-<-, or - ->-><- -) in which number of protrusions is higher on one side.
(20) With regard to the suturing thread for face lift and body lift, the generatrix of the protrusion can be formed at an angle of 20° to 60° relative to the center axis of the main thread of a suturing thread and the protrusion may have a shape in which the bottom surface has a flat shape or a concaved shape having a depression in imaginary vertex direction of the protrusion. Similarly, when a part or whole of the inside excluding the outer wall of a protrusion and the main thread part of a suturing thread is empty (such case is referred to as a ‘funnel-shaped protrusion’ for the sake of convenience), thickness of the outer wall of the funnel shape can be at least 30% to 90% of the main body of a suturing thread. In this case, the funnel-shaped protrusion may have a shape in which at least one radial dent is formed and split.
(21) With regard to the suturing thread for face lift and body lift, the modified polygonal cone, modified truncated polygonal cone, or modified polygonal cylinder means a shape in which the lateral surface is either recessed or protruded instead of having a flat surface. The modified cylinder shape means a shape in which the lateral surface has a recessed dent or a protruding part instead of a completely circular shape.
(22) With regard to the suturing thread for face lift and body lift, the polymer can be either a non-absorbable polymer or a absorbable polymer, and the non-absorbable polymer can be PET (polyenthylene terephthalate), nylon, polyamide, PVDF (polyvinyldene fluoride), or polypropylene, and the absorbable polymer can be polydioxanone, polymer of lactic acid (L-lactide) (i.e., polylactic acid), polymer of glycolic acid (glycolide) (i.e., polyglycolic acid), copolymer of lactic acid and glycolic acid (glycolide) [i.e., poly(lactic-co-glycolic acid)], or poly dioxane, or it can be any one selected from polymers in which lactic acid (L-lactide), glycolic acid (glycolide), or a copolymer thereof is blended with caplolactone or trimethylene carbonate. The suturing thread can be also made of gold.
(23) With regard to the suturing thread for face lift and body lift, a plurality of paired protrusions may have a symmetry such that vertices or bottom surfaces of the protrusions can face each other.
(24) With regard to the suturing thread for face lift and body lift, the protrusion unit may be formed such that a plurality of the protrusions in one direction and a single protrusion or a plurality of the protrusions in the opposite direction are alternately arranged. In that case, it can be symmetric form in which number of the protrusions in one direction is the same as number of the protrusions in the opposite direction, or asymmetric form in which number of the protrusions in one direction is different from number of the protrusions in the opposite direction.
(25) In addition, with regard to the suturing thread for face lift and body lift, the protrusion or protrusion unit may be formed either in one direction or two directions, and the protrusion or protrusion unit may form a pair such that the vertices or bottom surfaces of the protrusions can face each other.
(26) More specifically, the protrusion can be formed in two directions such that an imaginary vertex, at which extended generatrix lines meet each other inside the main thread of a suturing thread, leans toward both ends, or the protrusion can be formed in two directions such that an imaginary vertex leans toward the center part.
(27) Furthermore, the protrusion can have a Jang-gu (i.e., hourglass-shaped and double-headed Korean drum) shape with circular cross-section or a Jang-gu shape with polygonal cross-section in which the generatrix is connected at both ends at an angle of 20° to 60° relative to the center axis of the main thread of a suturing thread and the middle part is, in the same line as the main thread, thicker than the main thread.
(28) With regard to the suturing thread for face lift and body lift, the protrusion or protrusion unit may be formed in one direction or two directions.
(29) With regard to the suturing thread for face lift and body lift, the bottom surface of the protrusion may have a circular shape, an oval shape, a polygonal shape, or a modified polygonal shape.
(30) With regard to the suturing thread for face lift and body lift, the continuously-arranged protrusions may be formed with either a regular size or an irregular size.
(31) With regard to the suturing thread for face lift and body lift, the continuously-arranged protrusions may be formed with either a regular shape or an irregular shape.
(32) With regard to the suturing thread for face lift and body lift, at least one cog may be formed either regularly or irregularly on a protrusion and/or a main thread of the suturing thread.
(33) With regard to the suturing thread for face lift and body lift, the vertices or bottom surfaces of the protrusions or protrusion units may directly face each other or be placed at a predetermined distance apart.
(34) With regard to the suturing thread for face lift and body lift, if the vertices or bottom surfaces of the protrusions or protrusion units are placed at a distance apart, thickness of the connecting part between the vertices or bottom surfaces may be the same or higher than the thickness of a main thread of the suturing thread.
(35) With regard to the suturing thread for face lift and body lift, if the vertices or bottom surfaces of the protrusions or protrusion units are placed at a distance apart, the distance between the vertices or bottom surfaces may be either regular or irregular.
(36) With regard to the suturing thread for face lift and body lift, one protrusion pair or protrusion unit may play the role of an anchoring point.
(37) With regard to the suturing thread for face lift and body lift, the protrusion pair or protrusion unit may be arranged either regularly or irregularly.
(38) With regard to the suturing thread for face lift and body lift, the protrusion pair or protrusion unit may have several different units as a combination of protrusions having different shape.
(39) With regard to the suturing thread for face lift and body lift, the protrusion pair or protrusion unit and a cog may be arranged either regularly or irregularly.
(40) The suturing thread for face lift and body lift according to one example of the present invention can be produced by injection molding using a mold, cutting process using a lathe, variable extrusion molding using an extruder provided with variable nozzle, or heating-compression solid phase molding in which molding is carried out at temperature condition that the temperature is between the glass transition temperature and melting point, but the suturing thread is preferably produced by a variable cross-section extrusion process using a variable cross-section extruder provided with variable nozzle.
MODES FOR CARRYING OUT THE INVENTION
(41) Hereinbelow, the examples of the present invention are explained in view of the drawings which briefly illustrate the ideal examples of the present invention. With regard to the drawings, modifications of illustrated configurations are expected depending on techniques for production and/or tolerance, for example. Accordingly, the examples under the technical idea of the present invention shall not be interpreted so as to be limited to specific configurations that are illustrated in the present specification, and they shall encompass the modifications of configurations which occur in due course of production, for example.
(42) Furthermore, in the attached drawings, shape of the protrusion is basically illustrated by having a cone-shaped protrusion or a conical funnel-shaped protrusion as basic form. However, those protrusions can be replaced with protrusions having truncated cone, cylinder, polygonal cone, or truncated polygonal cone shape, and as those three-dimensional figures can be modified to various shapes, even when it is illustrated as a cone-shaped protrusion in the drawings to aid understanding of the present invention, it shall be simply explained as a protrusion.
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(44) As illustrated in
(45) The expression “main thread of a suturing thread” as used herein means a main body of a suturing thread having long cylinder shape from which protrusion parts have been removed. It is described for the sake of convenience of identifying the structure of the suturing thread of the present invention, and it is not intended to indicate a separation type in which the main thread of a suturing thread is not integrated with protrusions.
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(54) As illustrated in
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(59) a is a longitudinal section that can be obtained when the protrusion has a cone shape or a polygonal cone shape, b is a longitudinal section that can be obtained when the protrusion has a truncated cone shape or a truncated polygonal cone shape, c is a longitudinal section that can be obtained when only the wall and main thread of the protrusion with a shape of cone or polygonal cone remain while the inside of the protrusion is empty to have a funnel shape, d is a longitudinal section that can be obtained when only the wall and main thread of the protrusion with a shape of truncated cone or truncated polygonal cone remain while the inside of the protrusion is empty to have a funnel shape, and f is a longitudinal section that can be obtained when two protrusions face each other to form protrusions having Jang-gu shape.
(60) The aforementioned longitudinal sections of protrusions may exhibit various shapes depending on the shape of various protrusions that are explained in detail, and protrusions having those shapes may be arranged either regularly or irregularly.
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(63) The present invention has been explained in view of the examples that are given above. However, those examples are mere exemplifications and a person having general knowledge in the relevant art would understand that various modifications and other equivalent examples can be made from them. Accordingly, the true technical scope of the present invention for which protection is sought shall be determined based on the technical idea of the attached claims.
INDUSTRIAL APPLICABILITY
(64) The suturing thread for face lift or body lift according to one example of the present invention can be used as a medical supply which is used for a medical procedure for improving health or skin beauty.