Electric skin stretcher

By designing the drug application components and driving components of the electric skin stretcher, the problem of inability to apply medicine after distraction in the prior art is solved, and the safety of quick and convenient drug application and replacement of medicine after wound distraction is achieved, and the healing effect is improved.

CN119157589BActive Publication Date: 2025-05-13NANJING GENERAL HOSPITAL NANJING MILLITARY COMMAND P L A +1
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Patent Information

Application Number
CN202411572105.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-06
Publication Date
2025-05-13
Estimated Expiration
2044-11-06

AI Technical Summary

Technical Problem

The existing smart skin retractor cannot apply medicine to the opening of the skin after being stretched, and it will hinder the application of medicine after being used and reduce the healing effect.

Method used

An electric skin tensioner is designed, including a medicine application assembly and a driving assembly. The medicine application assembly includes slides, sliders, transfer plates, medicine application plates and other parts. It can be easily applied after being stretched, and the medicine is prevented from dripping with counterweights and baffles when changing the medicine liquid and gauze.

Benefits of technology

It realizes quick and convenient application of the wound after distraction, avoiding the drop of the medicine liquid and gauze to the wound, and improving the use effect and healing efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of skin stretchers, and discloses an electric skin stretcher, including a base plate, and also including: a stretching plate, wherein there are two stretching plates, the two stretching plates are symmetrically arranged, the top ends of the two stretching plates are slidably arranged at the bottom of the base plate, and a plurality of evenly distributed stretching teeth are fixed on the side of each stretching plate; a driving assembly, wherein there are two driving assemblies, the two driving assemblies are respectively arranged at both ends of the base plate, and the driving assembly is used to drive the two stretching plates; and a medicine dressing assembly, wherein the medicine dressing assembly is arranged on the base plate, and the medicine dressing assembly is used to apply medicine to the skin stretching part. The present invention can apply medicine to the patient's wound after stretching, and the medicine application is convenient and fast. In addition, when replacing the liquid medicine and gauze on the medicine dressing plate, due to the gravity of the counterweight block after the medicine dressing plate is turned over, the baffle plate will be unfolded to block the medicine dripping when replacing the liquid medicine and gauze, thereby avoiding the situation where the discarded liquid medicine and gauze fall to the wound, thereby improving the use effect of the device.
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Description

Technical Field

[0001] The invention relates to the technical field of skin stretchers, in particular to an electric skin stretcher. Background Art

[0002] A skin stretcher is a medical device used to repair skin defects. It mainly uses external force to pull the normal skin on both sides of the wound toward the center, and utilizes the viscoelasticity and mechanical extensibility of the skin to generate "extra" skin through linear load, thereby closing the wound. It is suitable for repairing skin defects caused by trauma, inflammation, tumor resection, bedsores, etc., and promoting wound healing.

[0003] For example, the intelligent skin stretcher disclosed in the patent CN212066885U can stretch the skin, but it does not have the function of applying medicine to the skin opening after stretching the skin. Applying medicine to the skin incision helps wound healing. In addition, the stretcher will hinder the application of medicine to the skin incision after use, reducing the effect of use. Therefore, it is urgent to design an electric skin stretcher. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the prior art and to propose an electric skin stretcher.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An electric skin stretcher includes a base plate and further includes:

[0007] A rectangular groove is opened at the center of the top of the base plate, and symmetrically arranged mounting grooves are opened at both ends of the top of the base plate. Both mounting grooves are connected to the rectangular groove, and both the rectangular groove and the two mounting grooves penetrate the base plate;

[0008] There are two stretching plates, which are symmetrically arranged. The tops of the two stretching plates are slidably arranged at the bottom of the base plate, and a plurality of evenly distributed stretching teeth are fixed on the side of each stretching plate;

[0009] There are two driving assemblies, which are respectively arranged at two ends of the base plate and are used to drive the two tensioning plates;

[0010] The medicine applying component is arranged on the base plate and is used for applying medicine to the stretched part of the skin.

[0011] As a further technical solution of the present invention, the medicine applying assembly includes: a slide, there are two slides, the two slide surfaces are respectively fixedly installed in two installation grooves, the two slides are symmetrically arranged, and each vertical side of the slide is vertically opened with a vertical groove connected to the inside of the slide.

[0012] As a further technical solution of the present invention, a slider is slidably installed inside each slideway, rotating plates are rotatably installed on opposite sides of the two sliders, and a medicine application plate is fixedly installed between the ends of the two rotating plates.

[0013] As a further technical solution of the present invention, baffles are hinged at both ends of the dressing plate, two symmetrically arranged counterweights are placed at both ends of the top of the dressing plate, and a T-shaped plate is fixedly installed on the top surface of the dressing plate, which is used to limit the up and down movement range of the counterweight.

[0014] As a further technical solution of the present invention, movable rods are rotatably mounted on opposite sides of each counterweight block, and ends of the two movable rods away from the counterweight block are rotatably mounted on opposite sides of the two baffles respectively.

[0015] As a further technical solution of the present invention, an electric telescopic rod is vertically installed on the top of each slide, and the output end of the corresponding electric telescopic rod is installed on the top of the corresponding sliding block. The side of each slide away from the dressing plate is symmetrically fixed with a first spring rod and a second spring rod. The fixed end and the telescopic end of the first spring rod and the second spring rod are both connected by spline sliding, and the telescopic ends of the first spring rod and the second spring rod are both provided with grooves.

[0016] As a further technical solution of the present invention, a gear is provided on the side of each slide away from the dressing plate, and a rotating shaft is fixedly installed horizontally at the center of the side of the gear. The end of the rotating shaft passes through the vertical groove and the corresponding slider, and the end of the rotating shaft is fixedly installed on the side end of the rotating plate, and the surface of the rotating shaft is rotatably installed inside the slider.

[0017] As a further technical solution of the present invention, a rack is vertically installed on the side of each slideway away from the medicine applying plate, and the rack and the gear are meshed when the rack and the gear are in contact.

[0018] As a further technical solution of the present invention, the driving assembly includes: a transverse groove, which is horizontally opened at the bottom of the base plate, and moving blocks are slidably installed at both ends of the transverse groove, and the ends of the two moving blocks are respectively fixedly installed on the tops of the two tensioning plates.

[0019] As a further technical solution of the present invention, a bidirectional lead screw is rotatably installed inside the transverse groove, and the two ends of the bidirectional lead screw are connected to the inside of the two moving blocks through threads in opposite directions. A drive motor is fixedly installed on the outside of the base plate, and the output shaft of the drive motor is installed at the center of the end face of the bidirectional lead screw.

[0020] The beneficial effects of the present invention are:

[0021] Firstly, the present invention can apply medicine to the patient's wound after stretching it through the provision of the dressing component, and the dressing is convenient and quick. In addition, when replacing the liquid medicine and gauze on the dressing plate, due to the gravity of the counterweight block after the dressing plate is turned over, the baffle plate will be unfolded to block the medicine dripping when replacing the liquid medicine and gauze, thereby avoiding the situation where the waste liquid medicine and gauze fall to the wound. In addition, the dressing plate rotates during the dressing change, which is also beneficial for the staff to change the dressing, and will not hinder the dressing change and dressing, thereby improving the use effect of the device.

[0022] Secondly, the present invention, through the arrangement of the driving component and the dressing component, can bring the two stretching plates closer together to stretch the wound. In addition, when replacing the liquid medicine and gauze on the dressing plate, the first spring rod and the second spring rod can limit the gear, further limit the rotating dressing plate, ensure the accuracy of the rotation of the dressing plate, and further ensure the accuracy of dressing and changing the dressing, thereby improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the electric skin stretcher proposed by the present invention;

[0024] Figure 2 This is a bottom-up structural schematic diagram of the electric skin stretcher proposed by the present invention;

[0025] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0026] Figure 4 This is a schematic diagram of the structure of the electric skin stretcher proposed by the present invention after the base plate and the medicine application plate are separated;

[0027] Figure 5 for Figure 4 A magnified schematic diagram of part B;

[0028] Figure 6 for Figure 4 The enlarged schematic diagram of the middle figure C;

[0029] Figure 7 This is a schematic diagram of the cross-sectional structure of the slideway of the electric skin stretcher proposed by the present invention;

[0030] Figure 8 for Figure 7 Enlarged schematic diagram of part D in the figure.

[0031] In the figure: 1. base plate; 2. tensioning plate; 3. driving motor; 4. slideway; 5. electric telescopic rod; 6. dressing plate; 7. baffle; 8. T-plate; 9. horizontal groove; 10. moving block; 11. bidirectional screw; 12. counterweight block; 13. movable rod; 14. first spring rod; 15. second spring rod; 16. gear; 17. rack; 18. slider; 19. rotating plate; 20. vertical groove; 21. rotating shaft; 22. rectangular groove; 23. mounting groove. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Please see attached Figure 1 -Attached Figure 8 The electric skin stretcher includes a substrate 1, and also includes: a rectangular groove 22, a stretching plate 2, a driving assembly and a medicine applying assembly. The rectangular groove 22 is opened at the center of the top of the substrate 1, and symmetrically arranged mounting grooves 23 are opened at both ends of the top of the substrate 1. The two mounting grooves 23 are connected to the rectangular groove 22, and the rectangular groove 22 and the two mounting grooves 23 pass through the substrate 1. There are two stretching plates 2, and the two stretching plates 2 are symmetrically arranged. The tops of the two stretching plates 2 are slidably arranged at the bottom of the substrate 1, and a plurality of evenly distributed stretching teeth are fixed on the side of each stretching plate 2. There are two driving assemblies, and the two driving assemblies are respectively arranged at both ends of the substrate 1. The driving assembly is used to drive the two stretching plates 2. The medicine applying assembly is arranged on the substrate 1, and the medicine applying assembly is used to apply medicine to the skin stretching part;

[0035] As described above, the patient's wound can be stretched and then medicine can be applied, and the application of medicine is convenient and quick. In addition, when the medicine solution and gauze on the medicine applying plate 6 are replaced, due to the gravity of the counterweight block 12 after the medicine applying plate 6 is turned over, the baffle 7 will be unfolded to block the medicine dripping when the medicine solution and gauze are replaced, thereby avoiding the waste medicine solution and gauze from falling onto the wound.

[0036] Please see attached Figure 1 -Attached Figure 8In a preferred embodiment, the medicine application component includes: a slide 4, which has two slides 4, and the surfaces of the two slides 4 are respectively fixedly installed in two installation grooves 23, the two slides 4 are symmetrically arranged, and each slide 4 has a vertical groove 20 vertically opened on the vertical side of the slide 4 that is connected to the inside of the slide 4, and a slider 18 is slidably installed inside each slide 4, and a rotating plate 19 is rotatably installed on the opposite sides of the two sliders 18, and a medicine application plate 6 is fixedly installed between the ends of the two rotating plates 19, and baffles 7 are hinged at both ends of the medicine application plate 6 through hinges, and two symmetrically arranged counterweight blocks 12 are placed on the top two ends of the medicine application plate 6, and a T-shaped plate 8 is fixedly installed on the top surface of the medicine application plate 6, and the T-shaped plate 8 is used to limit the up and down movement range of the counterweight block 12, and a movable rod 13 is rotatably installed on the opposite sides of each counterweight block 12, and the ends of the two movable rods 13 away from the counterweight block 12 are rotatably installed on the opposite sides of the two baffles 7, each slide The top of each slide 4 is vertically installed with an electric telescopic rod 5, and the output end of the corresponding electric telescopic rod 5 is installed on the top of the corresponding slider 18. The side of each slide 4 away from the dressing plate 6 is symmetrically fixed with a first spring rod 14 and a second spring rod 15. The fixed end and the telescopic end of the first spring rod 14 and the second spring rod 15 are connected by spline sliding. The telescopic ends of the first spring rod 14 and the second spring rod 15 are provided with grooves. A gear 16 is provided on the side of each slide 4 away from the dressing plate 6. A rotating shaft 21 is horizontally fixedly installed at the center of the side of the gear 16. The end of the rotating shaft 21 passes through the vertical groove 20 and the corresponding slider 18, and the end of the rotating shaft 21 is fixedly installed on the side end of the rotating plate 19. The surface of the rotating shaft 21 is rotatably installed inside the slider 18. A rack 17 is vertically installed on the side of each slide 4 away from the dressing plate 6. When the rack 17 and the gear 16 are in contact, the rack 17 and the gear 16 are meshed.

[0037] Preferably, the baffle 7 can be unfolded to block the replacement of the medicine and gauze, ensuring that the wound is not affected when changing the dressing on the dressing plate 6, and due to the setting of the T-shaped plate 8, the vertical movement distance of the counterweight block 12 can be limited, ensuring the effect of the baffle 7 when it is unfolded.

[0038] Please see attached Figure 1 -Attached Figure 4 In a preferred embodiment, the driving assembly includes: a transverse groove 9, the transverse groove 9 is horizontally opened at the bottom of the base plate 1, and moving blocks 10 are slidably installed at both ends of the transverse groove 9, and the ends of the two moving blocks 10 are respectively fixedly installed on the tops of the two tensioning plates 2, and a bidirectional lead screw 11 is rotatably installed inside the transverse groove 9, and the two ends of the bidirectional lead screw 11 are connected to the inside of the two moving blocks 10 through threads in opposite directions, and a driving motor 3 is fixedly installed on the outside of the base plate 1, and the output shaft of the driving motor 3 is installed at the center of the end face of the bidirectional lead screw 11;

[0039] Furthermore, by synchronously starting the two driving motors 3 to drive the bidirectional screw 11 to rotate, the rotation of the bidirectional screw 11 drives the two moving blocks 10 to move, and the movement of the two moving blocks 10 drives the two stretching plates 2 to move, thereby stretching the patient's wound.

[0040] The working principle of the present invention is as follows: firstly, two stretching plates 2 are placed on the wound of the patient, and then the stretching teeth on the stretching plates 2 are inserted into the wound skin, and two driving motors 3 are synchronously started to drive the bidirectional lead screw 11 to rotate, and the rotation of the bidirectional lead screw 11 drives the two moving blocks 10 to move, and the movement of the two moving blocks 10 drives the two stretching plates 2 to move, so as to achieve stretching of the patient's wound;

[0041] When the patient's wound is stretched and medicine needs to be applied, the two electric telescopic rods 5 are started synchronously to drive the two sliders 18 to move upward, and the movement of the two sliders 18 drives the two shafts 21 to move upward, and the two shafts 21 move upward to drive the medicine plate 6 and the gear 16 to move upward, and the medicine plate 6 moves upward to drive the components thereon to move upward together. At this time, the telescopic end of the first spring rod 14 is always between the adjacent convex teeth of the gear 16 to limit the gear 16 and prevent the gear 16 and the medicine plate 6 from rotating at will. When the gear 16 moves to the position where the gear 16 and the medicine plate 6 are aligned, the gear 16 and the medicine plate 6 are moved upward. When the rack 17 is in contact, the telescopic end of the first spring rod 14 and the gear 16 are not in contact at this time, then the gear 16 moving upward will rotate at this time, the rotation of the gear 16 drives the rotation shaft 21 to rotate, the rotation of the rotation shaft 21 drives the rotation of the rotating plate 19, and the rotation of the rotating plate 19 drives the medicine application plate 6 to rotate. It should be noted that when the rack 17 and the gear 16 are meshed, it will only cause the gear 16 to rotate 180 degrees, and the rotation of the medicine application plate 6 drives the baffle 7, the T-plate 8, the counterweight block 12 and the movable rod 13 to rotate, so that the medicine application surface of the medicine application plate 6 can face upward, which is convenient for the staff to change the medicine;

[0042] In addition, after the dressing plate 6 and the counterweight 12 are turned over, the counterweight 12 is subjected to the effect of gravity, so that the counterweight 12 will move downward in the vertical direction, and the movement of the counterweight 12 drives the movable rod 13 to move, and the movement of the movable rod 13 drives the baffle 7 to move, so that the baffle 7 can be unfolded to block the replacement of the liquid medicine and gauze, ensuring that the wound will not be affected when changing the dressing on the dressing plate 6, and due to the setting of the T-shaped plate 8, the vertical movement distance of the counterweight 12 can be limited, ensuring the effect of the baffle 7 when it is unfolded;

[0043] When the gear 16 and the rack 17 are no longer in contact, the second spring rod 15 will limit the gear 16 to ensure the stability of the dressing plate 6. After the liquid medicine on the dressing plate 6 is replaced, the electric telescopic rod 5 is started again to drive the dressing plate 6 downward. First, the dressing plate 6 will flip 180 degrees to reset, and the counterweight block 12 will also make the baffle 7 stand upright, and then continue to move downward to make the dressing plate 6 with the replaced liquid medicine and gauze attached to the wound;

[0044] In summary, the patient can be quickly and conveniently treated with medicine after the patient's wound is stretched, thereby improving the use effect of the device.

[0045] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An electric skin stretcher, comprising a base plate (1), characterized in that: Also includes: A rectangular groove (22), the rectangular groove (22) being opened at the center of the top of the base plate (1), symmetrically arranged mounting grooves (23) being opened at both ends of the top of the base plate (1), the two mounting grooves (23) being connected to the rectangular groove (22), and the rectangular groove (22) and the two mounting grooves (23) passing through the base plate (1); A stretching plate (2), wherein there are two stretching plates (2), the two stretching plates (2) are symmetrically arranged, the top ends of the two stretching plates (2) are slidably arranged on the bottom of the base plate (1), and a plurality of evenly distributed stretching teeth are fixed on the side of each stretching plate (2); A driving assembly, wherein there are two driving assemblies, the two driving assemblies are respectively arranged at two ends of the base plate (1), and the driving assemblies are used to drive the two tensioning plates (2); A medicine dressing component, the medicine dressing component is arranged on the substrate (1), and the medicine dressing component is used to apply medicine to the stretched part of the skin; The medicine application component comprises: a slideway (4), wherein there are two slideways (4), the surfaces of the two slideways (4) are respectively fixedly mounted in two mounting grooves (23), the two slideways (4) are symmetrically arranged, each of the vertical sides of the slideway (4) is vertically provided with a vertical groove (20) connected to the inside of the slideway (4), each of the slideways (4) is slidably mounted with a slider (18), the opposite sides of the two sliders (18) are rotatably mounted with a rotating plate (19), a medicine application plate (6) is fixedly mounted between the ends of the two rotating plates (19), and the medicine application component comprises: a slideway (4), wherein the slideway (4) is provided with a slider (18), wherein the slider (18) is provided with a rotating plate (19) which is rotatably mounted on the opposite sides of the two sliders (18), and ... Both ends of the medicine plate (6) are hingedly connected to baffles (7), two symmetrically arranged counterweights (12) are placed at both ends of the top of the medicine plate (6), a T-shaped plate (8) is fixedly installed on the top surface of the medicine plate (6), and the T-shaped plate (8) is used to limit the upward and downward movement range of the counterweight (12), and each of the opposite sides of the counterweight (12) is rotatably installed with a movable rod (13), and the ends of the two movable rods (13) away from the counterweight (12) are respectively rotatably installed on the opposite sides of the two baffles (7), and each of the tops of the slideways (4) is fixedly installed with a T-shaped plate (8), and the T-shaped plate (8) is used to limit the upward and downward movement range of the counterweight (12). Each of the slideways (4) is vertically mounted with an electric telescopic rod (5), the output end of the corresponding electric telescopic rod (5) being mounted on the top of the corresponding slider (18), and a first spring rod (14) and a second spring rod (15) being symmetrically fixedly mounted on the side of each slideway (4) away from the dressing plate (6), the fixed end and the telescopic end of the first spring rod (14) and the second spring rod (15) being slidably connected via a spline, the telescopic ends of the first spring rod (14) and the second spring rod (15) being provided with a groove, and the side of each slideway (4) away from the dressing plate (6) being symmetrically fixedly mounted with a first spring rod (14) and a second spring rod (15), the fixed end and the telescopic end of the first spring rod (14) and the second spring rod (15) being slidably connected via a spline, the telescopic ends of the first spring rod (14) and the second spring rod (15) being provided with a groove, The surfaces are all provided with gears (16), a rotating shaft (21) is horizontally fixedly installed at the center of the side of the gear (16), the end of the rotating shaft (21) passes through the vertical slot (20) and the corresponding slider (18), and the end of the rotating shaft (21) is fixedly installed on the side end of the rotating plate (19), and the surface of the rotating shaft (21) is rotatably installed inside the slider (18), and a rack (17) is vertically installed on the side of each slideway (4) away from the dressing plate (6), and when the rack (17) and the gear (16) are in contact, the rack (17) and the gear (16) are meshed.

2. The electric skin stretcher according to claim 1, characterized in that: The driving assembly comprises: a transverse groove (9), the transverse groove (9) being horizontally opened at the bottom of the base plate (1), and moving blocks (10) being slidably mounted at both ends of the interior of the transverse groove (9), and the ends of the two moving blocks (10) being fixedly mounted on the tops of the two tensioning plates (2) respectively.

3. The electric skin stretcher according to claim 2, characterized in that: A bidirectional lead screw (11) is rotatably mounted inside the transverse groove (9), and the two ends of the bidirectional lead screw (11) are connected to the inside of two moving blocks (10) via threads in opposite directions. A drive motor (3) is fixedly mounted on the outside of the base plate (1), and the output shaft of the drive motor (3) is mounted at the center of the end face of the bidirectional lead screw (11).

Citation Information

Patent Citations

  • Adjustable wound sealing device used after tracheotomy

    CN118078362A

  • Intelligent skin distractor

    CN212066885U