Modularized skin tension reducing device and tension reducing method

Abstract

The invention discloses a modular skin tension reducing device and a tension reducing method, and belongs to the technical field of medical cosmetology. The tension reducing device comprises a pasting film set and a stepless bidirectional adjusting assembly fixed to the pasting film set. The stepless bidirectional adjusting assembly comprises a driving end, a driven end and an annular traction belt, the driving end comprises a rotating mechanism and a fixed seat I, and the driven end comprises a driven wheel and a fixed seat II; the rotating mechanism comprises a knob and a base, a column type plug is fixed to the bottom face of the knob, and a positioning groove is formed in the bottom face of the column type plug. A positioning column is arranged in the middle of the interior of the base, the column type plug is connected with a base cavity in an embedded mode, and the positioning groove is matched with the positioning column to limit relative rotation of the rotary knob and the base. A hook is arranged on the column type plug; one end of the annular traction belt is hung on the hook; the driven wheel is fixedly connected with the fixed seat II, and the other end of the annular traction belt is sleeved on the driven wheel. According to the invention, the number, orientation and spacing of the stepless bidirectional adjusting assemblies can be flexibly combined according to the shape of the incision, and the incision is subjected to refined tension reduction, so that hyperplasia of the macula mark is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly relates to a modular skin tension reducer and a tension reduction method. Background Art

[0002] With the continuous development of living standards and clinical medicine, people's awareness of plastic surgery and beauty has gradually increased. On the premise of no life danger, minimizing or making the scar less obvious and reducing the chance of scar formation to the greatest extent have become the requirements and choices of most trauma patients. A scar is a product of wound repair. The main causes of scar formation include trauma, skin diseases, tension, race, location, age, endocrine disorders, biochemical factors, and immunological changes. Among them, incision tension has an important impact on the healing of the incision and the occurrence and development of scars. Excessive incision tension can cause skin laceration at the incision edge after suture, tissue necrosis, incision dehiscence, and also stimulate scar angiogenesis and fibrotic tissue hyperplasia, reducing apoptosis, thus widening and aggravating the scar and making it more likely to produce hypertrophic scars or keloids. Most trauma patients attach great importance to the scar problem after the surgical incision heals. How to ensure primary class A healing of the tensioned surgical incision and minimize scar hyperplasia after incision healing has become the key point and difficulty in plastic surgery treatment.

[0003] Currently, the above problems are mostly solved by skin tension reducers. By continuously applying appropriate tension, guiding the skin tissue at the wound edge to grow and heal in the desired direction, effectively reducing skin tension, the occurrence probability of complications such as wound dehiscence and infection can be reduced, enabling the wound to heal in an orderly manner in a low-tension environment to reduce excessive hyperplasia of scar tissue. For example, in a Chinese patent with the publication number CN111658042A and the name of a skin tension reducer, two sliders are connected by an adjustable threaded screw, and needles are fixed at the lower ends of the sliders and connected to the human skin, so as to adjust the screw to drive the sliders to approach or move away from each other, thereby achieving tension adjustment. Since the bottom of the slider penetrates the skin through the fixed needle, on the one hand, it will cause discomfort or pain to the patient, and on the other hand, when the two sliders are simultaneously pressed inward, it is easy to cause the incision to bulge upward, which will affect the prevention of incision scars. Summary of the Invention

[0004] The purpose of the present invention is to propose a modular skin tension reducer and a tension reduction method, which can accurately adjust the incision tension reduction in stages according to the incision shape to achieve balanced overall incision tension reduction.

[0005] The technical solution adopted by the present invention is: In the first aspect, the present invention proposes a modular skin tension reducer, including:

[0006] Stepless bidirectional adjustment component, the stepless bidirectional adjustment component includes a driving end, a driven end and an annular traction belt. Among them, the driving end includes a rotating mechanism and a fixed seat I, and the driven end includes a driven wheel and a fixed seat II; the rotating mechanism includes a knob and a base, a columnar plug is provided at the bottom of the knob, and a concave positioning groove is provided at the bottom of the columnar plug; the base is a cavity structure with a closed bottom and an open top, a positioning post is provided in the middle of the base interior, the columnar plug is embeddedly connected with the base cavity, and the positioning groove and the positioning post are in interference fit to limit the relative rotation of the knob and the base; a hook is provided on the columnar plug, and one end of the annular traction belt is hung on the hook; the driven wheel is fixedly connected with the fixed seat II, and the other end of the annular traction belt is sleeved on the driven wheel; the fixed seat I and the fixed seat II are rectangular blocks, and two through holes parallel to the length direction are provided inside, and the through holes are used for the annular traction belt to pass through;

[0007] Adhesive film group, including adhesive film I and adhesive film II, on the upper surfaces of the adhesive film I and the adhesive film II, multiple fixing positions are arranged from top to bottom for fixing a plurality of mutually parallel stepless bidirectional adjustment components. When the driving end on one of the stepless adjustment components is fixed at the fixing position of the adhesive film I or the adhesive film II, its driven end is fixed on the adhesive film II or the adhesive film I of the same layer.

[0008] As a further improvement of the present invention, a circle of limiting convex blocks is circumferentially provided on the lower surface of the knob, and a circle of limiting grooves is circumferentially provided at the upper opening of the base. The limiting convex blocks and the limiting grooves are adapted to limit the rotation between the knob and the base.

[0009] As a further improvement of the present invention, a circle of scale marks is circumferentially provided on the upper surface of the knob; a circle of vertical convex stripes is provided on the side surface of the knob, and a mark is made on the surface of one of the vertical convex stripes as a pointer; an initial marking position is provided on the surface of the base.

[0010] As a further improvement of the present invention, an elastic retarder is provided on the positioning post to increase the friction between the limiting groove and the positioning post.

[0011] As a further improvement of the present invention, ventilation holes are provided on the adhesive film I and the adhesive film II.

[0012] In a second aspect, the present invention also proposes a method for skin tension reduction, using the modular skin tension reducer described above. The method includes the following steps:

[0013] Step S1, observe the incision shape, mark the protruding parts and the quantity on both edges of the incision, and measure the length and width of the incision;

[0014] Step S2: Select the corresponding adhesive films I and II according to the length of the incision; symmetrically paste the adhesive films I and II on both sides of the incision respectively;

[0015] Step S3: Select the number of stepless bidirectional adjustment components according to the length of the incision, and adjust the distance between adjacent upper and lower stepless bidirectional adjustment components according to the edge shape of the incision;

[0016] Step S4: Fix the stepless bidirectional adjustment components on the fixing positions of the adhesive films I and II in the up-and-down order respectively and keep them parallel; if the protrusion on the incision is on the side of the adhesive film I, fix the driving end on the fixing position of the adhesive film II; if the protrusion on the incision is on the side of the adhesive film II, install the driving end on the fixing position of the adhesive film I; the driving ends of other incisions without protrusions are arranged on the adhesive film I or the adhesive film II;

[0017] Step S5: For the stepless tension reduction component located on the protrusion of the incision, first lift the knob so that the pointer is on the same vertical line as the initial marking position, and then rotate a certain angle to pull the annular traction belt, driving the protrusion to contract inward until the protrusion disappears; then press down and rotate to lock the positioning groove and the positioning post, and make the limiting convex block fit and fix with the limiting groove;

[0018] Step S6: When the shapes of both sides of the incision are flat, adjust the knobs on each stepless bidirectional adjustment component respectively, and rotate the same number of turns according to the scale until the width of the incision is reduced to the preset value.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] (1) The skin tension reducer of the present invention adopts a modular design, which can realize the dynamic bidirectional adjustment of the incision tension reduction, and select the number, orientation and spacing of the adhesive film group and the stepless bidirectional adjustment components according to the shape and size of the incision, so as to realize the targeted and precise adjustment of the incision tension;

[0021] (2) The skin tension reducer of the present invention can realize stepless continuous adjustment through the cooperation of the knob, the annular traction belt and the driven wheel, avoiding the "step-like" tension change of the traditional screw-type tension reducer, and is more suitable for complex incision shapes;

[0022] (3) The driving end of the stepless bidirectional adjustment component can be flexibly set on either side of the incision (adhesive film I or adhesive film II) to perform directional traction on the protrusion part, which can effectively overcome the problem of incision swelling caused by unilateral traction of the traditional tension reducer;

[0023] (3) According to the protruding position of the incision, the driving end of the present invention is arranged on the adhesive film I or the adhesive film II. First, the width of the annular traction belt is pulled by the knob, and the protruding part is straightened and disappeared. Then, the knobs of other infinitely variable bidirectional adjustment components are adjusted according to the same number of rotation turns respectively, so as to adjust the overall width of the incision to a preset distance, realizing the refined tension reduction operation of the incision and highlighting the tension reduction effect;

[0024] (4) The scale and pointer design on the knob support precise adjustment. Combined with the locking structure of the limit convex block / slot, the tension is ensured to be stable;

[0025] (5) The breathable adhesive film of the present invention is made of medical-grade film material, which can reduce the discomfort of patients and is convenient to operate. Description of the Drawings

[0026] The present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0027] Figure 1 is the front view of the skin tension reducer structure of the present invention;

[0028] Figure 2 is the three-dimensional view of the skin tension reducer of the present invention;

[0029] Figure 3 is the structural schematic diagram of the infinitely variable bidirectional adjustment component;

[0030] Figure 4 is the structural schematic diagram of the rotation mechanism;

[0031] Figure 5 is the structural schematic diagram of the knob;

[0032] Figure 6 is the structural schematic diagram of the base;

[0033] Figure 7 is the schematic diagram of the cooperation between the knob and the base;

[0034] Figure 8 is the structural schematic diagram of the paste module;

[0035] Reference numerals: 1 - Adhesive film I, 11 - Ventilation holes, 12 - Fixed position, 2 - Adhesive film II, 3 - Infinitely variable bidirectional adjustment component, 31 - Driving end, 310 - Knob, 3101 - Limit convex block, 3102 - Scale, 3103 - Pointer, 311 - Base, 3111 - Limit slot, 3112 - Initial marking position, 312 - Fixed seat I, 313 - Columnar plug, 314 - Positioning groove, 315 - Positioning column, 316 - Hook, 32 - Driven end, 320 - Driven wheel, 321 - Fixed seat II, 33 - Annular traction belt, 4 - Incision, 41 - Protruding part. Detailed Description of the Embodiment

[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention fall within the scope of protection of the present invention.

[0037] Please refer to Figure 1 and Figure 2 For a modular skin tension reducer of the present invention, it includes a pasting module and a plurality of infinitely variable bidirectional adjustment components 3. The pasting module includes a pasting film I 1 and a pasting film II 2, and there is an incision 4 between the pasting film I 1 and the pasting film II 2. Generally, the incision includes an incision and a postoperative incision. Irregular shapes often appear on both sides of the incision, that is, sometimes there will be local outward protrusions, that is, the outward protrusion part 41. If the irregularly shaped incision is pulled from both sides with the same force towards the middle, the shape of the incision after tension reduction is often not ideal and cannot well inhibit scar hyperplasia.

[0038] Please refer to Figures 3 - 7 For the infinitely variable bidirectional adjustment component 3, it includes a driving end 31, a driven end 32, and an annular traction belt 33. The driving end 31 includes a rotating mechanism and a fixed seat I 312, and the driven end 32 includes a driven wheel 320 and a fixed seat II 321. The rotating mechanism includes a knob 310 and a base 311. A columnar plug 313 is fixed to the bottom surface of the knob 310, and a concave positioning groove 314 is provided on the bottom surface of the columnar plug 313. The base 311 is a cavity structure with a closed bottom and an open top. A positioning post 315 is provided in the middle inside the base 311. The columnar plug 313 is embedded in the base cavity, and the positioning groove 314 and the positioning post 315 are in interference fit to limit the relative rotation of the knob 310 and the base 311. A hook 316 is provided on the columnar plug 313, and one end of the annular traction belt 33 is hung on the hook 316; the driven wheel 320 is fixedly connected to the fixed seat II 321, and the other end of the annular traction belt 33 is sleeved on the driven wheel 320; the fixed seat I 312 and the fixed seat II 321 are rectangular blocks of the same size with a small thickness, and two through holes parallel to the length direction are provided inside the rectangular blocks for the annular traction belt 33 to pass through. Specifically, the annular traction belt 33 is made of nylon, has low elasticity, has a certain flexibility, and will not cause harm to the skin. The driving end 31 and the driven end 32 are made of medical plastics, have a certain hardness and are light in weight.

[0039] Please refer to Figure 5 and Figure 6, a circumferential limiting protrusion 3101 is provided on the lower surface of the knob 310, and a circumferential limiting groove 3111 is provided on the upper mouth of the base 311. The limiting protrusion 3101 is adapted to the limiting groove 3111 to limit the rotation between the knob 310 and the base 311.

[0040] Please refer to Figure 7 , a circumferential scale 3102 is provided on the upper surface of the knob 310, a circumferential vertical strip protrusion is provided on the side surface of the knob 310, and a mark is made on the surface of one of the vertical protrusions as the pointer 3103; an initial position mark 3112 is provided on the surface of the base 311.

[0041] Please refer to Figure 6 , an elastic blocking object is provided on the upper part of the positioning column 315, and the elastic blocking object is rubber or elastic sponge to increase the friction between the limiting groove 3111 and the positioning column 315.

[0042] Please refer to Figure 8 , on the upper surfaces of the adhesive film I1 and the adhesive film II2, a plurality of fixing positions 12 are arranged from top to bottom for fixing a plurality of mutually parallel stepless bidirectional adjustment components 3, that is, the bottom surfaces of the base 311, the fixing base I312 and the fixing base II321 are pasted on the fixing positions 12. When the driving end 31 on one of the stepless adjustment components 3 is fixed on the fixing position of the adhesive film I1 or the adhesive film II2, its driven end 32 is fixed on the adhesive film II2 or the adhesive film I1 of the same layer.

[0043] Ventilation holes 11 are evenly distributed on the adhesive film I1 and the adhesive film II2, which can reduce the risk of skin allergy or stuffiness and improve the comfort of patients.

[0044] The present invention also proposes a method for skin tension reduction, including the following steps:

[0045] Step S1, observe the shape of the incision 4, mark the outer protrusions 41 and the quantity on both edges of the incision 4, and measure the length and width of the incision 4;

[0046] Step S2, select the corresponding adhesive film I1 and adhesive film II2 according to the length of the incision 4; symmetrically paste the adhesive film I1 and the adhesive film II2 on both sides of the incision 4 respectively;

[0047] Step S3, select the quantity of the stepless bidirectional adjustment components 3 according to the length of the incision 4, and adjust the distance between the upper and lower adjacent stepless bidirectional adjustment components 3 according to the edge shape of the incision 4;

[0048] Step S4: Fix the stepless bidirectional adjustment component 3 on the fixing positions 12 of the adhesive film I and the adhesive film II in the up-and-down order respectively and keep them parallel. If the protrusion 41 on the incision 4 is on the side of the adhesive film I1, fix the driving end 31 on the fixing position 12 of the adhesive film II2. If the protrusion 41 on the incision 4 is on the side of the adhesive film II2, install the driving end 31 on the fixing position 12 of the adhesive film I1. The driving ends 31 of other incisions 41 without protrusions 41 are all arranged on the adhesive film I1 or the adhesive film II2.

[0049] Step S5: For the stepless tension reduction component 3 on the protrusion 41 of the incision 4, first lift the knob 310 to make the pointer 3103 in the same vertical line as the initial marking position 3112, and then rotate it by a certain angle to pull the annular traction belt 33, driving the protrusion 41 to contract inward until the protrusion 41 disappears. Then press down and rotate the 310 to lock the positioning groove 314 with the positioning post 315, and make the limiting convex block 3101 fit and fix with the limiting groove 3111.

[0050] Step S6: When the shapes on both sides of the incision 41 are flat, adjust the knobs 310 on each stepless bidirectional adjustment component 3 respectively, and rotate the same number of turns according to the scale 3102 until the width of the incision 4 is reduced to the preset value. Through modular design, the present invention sets the stepless bidirectional adjustment component 3 and the adhesive film group as a separated type. By observing the length, shape of the incision 4 and the position of the protrusion 41, the number of stepless bidirectional adjustment components 3 and the distance between adjacent ones can be flexibly selected.

[0051] The modular skin tension reducer of the present invention adopts a modular structure design. The size of the adhesive film group can be selected according to the shape of the incision 4, the number of stepless bidirectional adjustment components 3 can be selected, and according to the length of the incision and whether the edge is regular, the position of the driving end 31 can be freely selected, that is, the directions of multiple stepless bidirectional adjustment components are adjustable and the spacing is adjustable. At the driving end 31, through the cooperation of the limiting groove 3111 and the positioning post 315, the knob 310 can be fixed on the base 311, and by setting the limiting convex block 3101 and the limiting groove 3111, the two can be further fixed to prevent rotation. By setting the scale 3102, the pointer 3103 and the initial marking position 3112, the annular traction belt 33 can be pulled infinitely and finely adjusted. The stepless bidirectional adjustment component 3 is made of lightweight materials, which is very convenient for pasting and operation and can reduce the discomfort of patients.

[0052] The method of the present invention, firstly, can achieve phased operation, that is, first process the protruding parts (directionally pull), and then adjust uniformly as a whole, avoid incision distortion, implement refined tension reduction, and be suitable for incisions of different shapes; secondly, dynamic balance control, that is, through synchronous adjustment of multiple components, ensure uniform closure on both sides of the incision and reduce the risk of scar hyperplasia. Specifically, according to the position of the protruding part 41, select the pasting position of the driving part 31, that is, on the pasting film I1 or the pasting film II2, so as to finely adjust the protruding part 41 directionally. The present invention first processes the protruding parts 41 on both sides of the incision 4 to make them all disappear or flat, and then jointly adjusts all the non-polar bidirectional adjustment components to make both sides of the entire incision approach the center line together to prevent torsion deviation.

[0053] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. All changes that can be made within the scope of knowledge of those skilled in the art without departing from the purpose of the present invention are within the protection scope of the claims of the present invention.

Claims

1. A modular skin tension reducer, characterized in that Comprising: An infinitely variable bidirectional adjustment component (3), the infinitely variable bidirectional adjustment component (3) includes a driving end (31), a driven end (32) and an annular traction belt (33), wherein, the driving end (31) includes a rotating mechanism and a fixed seat I (312), and the driven end (32) includes a driven wheel (320) and a fixed seat II (321); the rotating mechanism includes a knob (310) and a base (311), a columnar plug (313) is provided at the bottom of the knob (310), and a concave positioning groove (314) is provided at the bottom of the columnar plug (313); the base (311) is a cavity structure with a closed bottom and an open top, a positioning post (315) is provided in the middle inside the base (311), the columnar plug (313) is embeddedly connected with the base cavity, and the positioning groove (314) is in interference fit with the positioning post (315) to limit the relative rotation of the knob (310) and the base (311); a hook (316) is provided on the columnar plug (313), and one end of the annular traction belt (33) is hung on the hook (316); the driven wheel (320) is fixedly connected with the fixed seat II (321), and the other end of the annular traction belt (33) is sleeved on the driven wheel (320); the fixed seat I (312) and the fixed seat II (321) are rectangular blocks, and two through holes parallel to the length direction are provided inside, and the through holes are used for the annular traction belt (33) to pass through; A paste film group, including a paste film I (1) and a paste film II (2), on the upper surfaces of the paste film I (1) and the paste film II (2), a plurality of fixing positions (12) are arranged from top to bottom for fixing a plurality of infinitely variable bidirectional adjustment components (3) that are parallel to each other. When the driving end (31) of one of the infinitely variable adjustment components (3) is fixed on the fixing position (12) of the paste film I (1) or the paste film II (2), its driven end (32) is fixed on the same-layer paste film II (2) or paste film I (1).

2. The modular skin tension reducer according to claim 1, characterized in that, A circumferential limiting protrusion (3101) is provided on the lower surface of the knob (310) in a circumferential direction, and a circumferential limiting groove (3111) is provided on the upper opening of the base (311) in a circumferential direction. The limiting protrusion (3101) is adapted to the limiting groove (3111) for limiting the rotation between the knob (310) and the base (311).

3. The modular skin tension reducer according to claim 1, wherein A circumferential scale (3102) is provided on the upper surface of the knob (310) in a circumferential direction; a circumferential vertical convex stripe is provided on the side surface of the knob (310), and a mark is made on the surface of one of the vertical convex stripes as a pointer (3103); an initial marking position (3112) is provided on the surface of the base (311).

4. The modular skin tension reducer according to claim 1, characterized in that An elastic retarder is provided on the positioning post (315) to increase the friction between the limiting groove (3111) and the positioning post (315).

5. The modular skin tension reducer according to claim 1, characterized in that, Ventilation holes (11) are provided on the paste film I (1) and the paste film II (2).

6. A method for skin tension reduction, which uses the modular skin tension reducer described in any one of claims 1-5, characterized in that, Including the following steps: Step S1: Observe the shape of the incision (4), mark the protrusions (41) and their quantities on both edges of the incision (4), and measure the length and width of the incision (4). Step S2: Select the corresponding adhesive film I (1) and adhesive film II (2) according to the length of the incision (4); symmetrically paste the adhesive film I (1) and the adhesive film II (2) on both sides of the incision (4) respectively. Step S3: Select the quantity of the stepless bidirectional adjustment components (3) according to the length of the incision (4), and adjust the distance between the adjacent upper and lower stepless bidirectional adjustment components (3) according to the edge shape of the incision (4). Step S4: Fix the stepless bidirectional adjustment components (3) on the fixing positions (12) of the adhesive film I and the adhesive film II in the up-and-down order respectively and keep them parallel; if the protrusion (41) on the incision (4) is on the side of the adhesive film I (1), fix the driving end (31) on the fixing position (12) of the adhesive film II (2); if the protrusion (41) on the incision (4) is on the side of the adhesive film II (2), install the driving end (31) on the fixing position (12) of the adhesive film I (1); the driving ends (31) of the other incisions (41) without protrusions (41) are all arranged on the adhesive film I (1) or the adhesive film II (2). Step S5: For the stepless tension reduction components (3) located on the protrusions (41) of the incision (4), first lift the knob (310) to make the pointer (3103) on the same vertical line as the initial marking position (3112), and then rotate a certain angle to pull the annular traction belt (33) to drive the protrusion (41) to contract inward until the protrusion (41) disappears; then press down and rotate (310) to lock the positioning groove (314) with the positioning post (315) so that the limiting convex block (3101) fits and fixes with the limiting groove (3111). Step S6: When the shapes of both sides of the incision (41) are flat, adjust the knobs (310) on each stepless bidirectional adjustment component (3) respectively, and rotate the same number of turns according to the scale (3102) until the width of the incision (4) is reduced to the preset value.

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