Multi-layer multifunctional hydrogel medical dressing and preparation device thereof

Abstract

The utility model discloses a multi-layer multi-functional hydrogel medical dressing and preparation device, including the base, the top of base is fixedly equipped with two fixed plate, the side wall of two fixed plate close to each other is rotatingly connected with the rotating shaft, the two rotating shaft is fixedly equipped with the mixing barrel between, the mixing barrel is equipped with the bottom of the base, the bottom of the base is equipped with the bottom of the base, and the bottom of the base is equipped with the bottom of the base. A feeding pipe communicated with the interior of the mixing barrel is arranged at the top of the mixing barrel, a sealing cover is arranged on the feeding pipe, a turnover mechanism is arranged on one of the fixing plates, and a stirring mechanism connected with the turnover mechanism is arranged on the mixing barrel. Through the arrangement of the turnover mechanism and the stirring mechanism, the mixing barrel can shake in a reciprocating mode, meanwhile, the stirring rod can rotate clockwise and anticlockwise in a reciprocating mode to stir raw materials, the raw materials are mixed more evenly, use is more convenient, and the hydrogel medical dressing has the antibacterial effect and the self-adhesion function.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogel medical dressings, in particular to a multi-layer multifunctional hydrogel medical dressing and a preparation device thereof. Background Art

[0002] Hydrogel is a polymer material with a three-dimensional network structure and water as the dispersion medium. It has good biocompatibility and can create a moist environment to accelerate wound healing. Therefore, hydrogel is widely used in the field of medical care.

[0003] At present, in the process of preparing hydrogel medical dressings, water-soluble polymer materials, auxiliary materials and water need to be mixed. However, when using existing preparation devices, most of them can only stir the raw materials in one direction, resulting in poor mixing effect. It is difficult to shake the mixing barrel while stirring, and the practicality is poor. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art and proposes a multi-layer multifunctional hydrogel medical dressing and a preparation device thereof.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A multi-layer multifunctional hydrogel medical dressing and a preparation device thereof, comprising a base, wherein two fixing plates are fixedly installed on the top of the base, a rotating shaft is rotatably connected on a side wall of the two fixing plates close to each other, a mixing barrel is fixedly installed between the two rotating shafts, a feeding pipe connected to the interior of the mixing barrel is arranged on the top of the mixing barrel, a sealing cover is arranged on the feeding pipe, a turning mechanism is arranged on one of the fixing plates, and a stirring mechanism connected to the turning mechanism is arranged on the mixing barrel.

[0007] Preferably, the flipping mechanism includes a fixed block fixedly mounted on the outer wall of one of the fixed plates, one end of one of the rotating shafts passes through one of the fixed plates and is fixedly mounted with a gear located outside the two fixed plates, a cylinder is fixedly mounted on a side wall of the fixed block close to the gear, a moving block is fixedly mounted on the telescopic end of the cylinder, a rack is fixedly mounted on a side wall of the moving block close to the gear, and the rack is meshingly connected with the gear.

[0008] Preferably, the stirring mechanism includes a fixed cylinder fixedly mounted on a side wall of the fixed block close to the moving block, a second piston slidably connected to the inner wall of the fixed cylinder is provided in the fixed cylinder, a connecting rod is fixedly connected between the second piston and the moving block, a connecting pipe connected to the interior of the fixed cylinder is provided on the fixed cylinder, a hollow shaft rotatably connected to the mixing barrel is penetrated through the top of the mixing barrel, a plurality of stirring rods located inside the mixing barrel are fixedly mounted on the outer wall of the hollow shaft, a rectangular shell located outside the hollow shaft is fixedly mounted on the top of the mixing barrel, a first piston slidably connected to the inner wall of the mixing barrel is provided in the rectangular shell, an inner column located in the hollow shaft is fixedly mounted on the bottom of the first piston, a sliding groove is provided on the outer wall of the inner column, a sliding block is fixedly mounted on the inner wall of the hollow shaft, an end of the connecting pipe away from the fixed cylinder is connected to the rectangular shell, and a through hole located below the first piston is provided on the rectangular shell.

[0009] Preferably, one end of the connecting tube communicating with the fixing cylinder is located on a side of the second piston away from the connecting rod.

[0010] Preferably, the end of the connecting tube communicating with the fixing cylinder is located on a side of the first piston away from the inner column.

[0011] Preferably, the slide groove is spiral-shaped and the slider is located in the slide groove.

[0012] A multi-layer multifunctional hydrogel medical dressing comprises a medical tape, wherein a first hydrogel layer is arranged on the top of the medical tape, a non-woven fabric layer is arranged on the top of the first hydrogel layer, a second hydrogel layer is arranged on the top of the non-woven fabric layer, and an antibacterial layer is arranged on the top of the second hydrogel layer.

[0013] Beneficial effects of the utility model:

[0014] By setting up a flipping mechanism and a stirring mechanism, the mixing barrel can be shaken back and forth, and the stirring rod can be rotated back and forth clockwise and counterclockwise to stir the raw materials. The raw materials are mixed more evenly and are more convenient to use. The hydrogel medical dressing has an antibacterial effect and a self-adhesive function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a preparation device for a multi-layer multifunctional hydrogel medical dressing proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the planar structure of a device for preparing a multi-layer multifunctional hydrogel medical dressing proposed by the utility model;

[0017] Figure 3 It is a schematic diagram of the planar structure of the hollow shaft and the slider of the utility model;

[0018] Figure 4 It is a schematic diagram of the planar structure of a multi-layer multifunctional hydrogel medical dressing in the utility model.

[0019] In the figure: 1 base, 2 mixing barrel, 3 rotating shaft, 4 feeding pipe, 5 sealing cover, 6 rectangular shell, 7 connecting pipe, 8 fixed plate, 9 fixed block, 10 cylinder, 11 fixed cylinder, 12 moving block, 13 rack, 14 gear, 15 first piston, 16 second piston, 17 connecting rod, 18 stirring rod, 19 hollow shaft, 20 inner column, 21 slide groove, 22 slider, 23 through hole, 24 first hydrogel layer, 25 non-woven fabric layer, 26 second hydrogel layer, 27 medical tape, 28 antibacterial layer. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 4 A preparation device for a multi-layer multifunctional hydrogel medical dressing comprises a base 1, two fixing plates 8 are fixedly installed on the top of the base 1, a rotating shaft 3 is rotatably connected on one side wall of the two fixing plates 8 close to each other, a mixing barrel 2 is fixedly installed between the two rotating shafts 3, a feeding pipe 4 connected to the inside of the mixing barrel 2 is arranged on the top of the mixing barrel 2, a sealing cover 5 is arranged on the feeding pipe 4, and a flip mechanism is arranged on one of the fixing plates 8;

[0022] The flip mechanism includes a fixed block 9 fixedly mounted on the outer wall of one of the fixed plates 8, one end of one of the rotating shafts 3 passes through one of the fixed plates 8 and is fixedly mounted with a gear 14 located outside the two fixed plates 8, a cylinder 10 is fixedly mounted on a side wall of the fixed block 9 close to the gear 14, a moving block 12 is fixedly mounted on the telescopic end of the cylinder 10, a rack 13 is fixedly mounted on a side wall of the moving block 12 close to the gear 14, and the rack 13 is meshed and connected with the gear 14;

[0023] The mixing barrel 2 is provided with a stirring mechanism connected with the flipping mechanism, and the stirring mechanism comprises a fixed cylinder 11 fixedly mounted on a side wall of the fixed block 9 close to the moving block 12, a second piston 16 slidably connected with the inner wall thereof is arranged in the fixed cylinder 11, a connecting rod 17 is fixedly connected between the second piston 16 and the moving block 12, a connecting pipe 7 connected with the interior thereof is arranged on the fixed cylinder 11, a hollow shaft 19 rotatably connected with the mixing barrel 2 is penetrated through the top of the mixing barrel 2, a plurality of stirring rods 18 located inside the mixing barrel 2 are fixedly mounted on the outer wall of the hollow shaft 19, a rectangular shell 6 located outside the hollow shaft 19 is fixedly mounted on the top of the mixing barrel 2, and a rectangular shell 6 is arranged inside the rectangular shell 6 There is a first piston 15 slidably connected to its inner wall, an inner column 20 located in the hollow shaft 19 is fixedly installed at the bottom of the first piston 15, a slide groove 21 is provided on the outer wall of the inner column 20, a slider 22 is fixedly installed on the inner wall of the hollow shaft 19, the end of the connecting pipe 7 away from the fixed cylinder 11 is connected to the rectangular shell 6, the rectangular shell 6 is provided with a through hole 23 located below the first piston 15, the end of the connecting pipe 7 connected to the fixed cylinder 11 is located on the side of the second piston 16 away from the connecting rod 17, the end of the connecting pipe 7 connected to the fixed cylinder 11 is located on the side of the first piston 15 away from the inner column 20, the slide groove 21 is spiral and the slider 22 is located in the slide groove 21.

[0024] A multi-layer multifunctional hydrogel medical dressing includes a medical tape 27. A first hydrogel layer 24 is provided on the top of the medical tape 27. A non-woven fabric layer 25 is provided on the top of the first hydrogel layer 24. A second hydrogel layer 26 is provided on the top of the non-woven fabric layer 25. An antibacterial layer 28 is provided on the top of the second hydrogel layer 26.

[0025] When the utility model is used, water-soluble polymer materials, auxiliary materials and water are introduced into the mixing barrel 2 through the feed pipe 4, and the cylinder 10 is started to make the moving block 12 reciprocately descend and ascend, thereby enabling the rack 13 to reciprocately descend and ascend, and the meshing connection between the rack 13 and the gear 14 enables the two rotating shafts 3 and the mixing barrel 2 to reciprocate in positive and negative directions, thereby causing the mixing barrel 2 to shake. During the reciprocating descent and ascent of the moving block 12, the second piston 16 can be reciprocatedly descended and ascended by setting a connecting rod 17. When the second piston 16 moves downward, the incompressible liquid above the first piston 15 in the rectangular shell 6 will be sucked into the fixed cylinder 11 through the connecting pipe 7, so that the first piston 15 can slide upward in the rectangular shell 6. Since the first piston 15 is The rectangular shape will not rotate, so that the inner column 20 can move upward. During the upward movement of the inner column 20, the slider 22 will slide in the slide groove 21, so that the hollow shaft 19 can rotate in one direction. When the second piston 16 moves upward, the incompressible liquid above the second piston 16 in the fixed cylinder 11 will be squeezed into the rectangular shell 6 through the connecting tube 7, so that the first piston 15 can slide downward in the rectangular shell 6, so that the inner column 20 can move downward. During the downward movement of the inner column 20, the slider 22 will slide in the slide groove 21, so that the hollow shaft 19 can rotate in the other direction. In this way, during the reciprocating shaking of the mixing barrel 2, the stirring rod 18 on the hollow shaft 19 can stir the raw materials in the reciprocating clockwise and counterclockwise direction, thereby improving the mixing effect.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for preparing a multi-layer multifunctional hydrogel medical dressing, comprising a base (1), characterized in that: Two fixed plates (8) are fixedly installed on the top of the base (1); a rotating shaft (3) is rotatably connected on a side wall of the two fixed plates (8) close to each other; a mixing barrel (2) is fixedly installed between the two rotating shafts (3); a feeding pipe (4) connected to the interior of the mixing barrel (2) is arranged on the top of the mixing barrel (2); a sealing cover (5) is arranged on the feeding pipe (4); a turning mechanism is arranged on one of the fixed plates (8); and a stirring mechanism connected to the turning mechanism is arranged on the mixing barrel (2).

2. The device for preparing a multi-layer multifunctional hydrogel medical dressing according to claim 1, characterized in that: The flip mechanism comprises a fixed block (9) fixedly mounted on the outer wall of one of the fixed plates (8); one end of one of the rotating shafts (3) passes through one of the fixed plates (8) and is fixedly mounted with a gear (14) located outside the two fixed plates (8); a cylinder (10) is fixedly mounted on a side wall of the fixed block (9) close to the gear (14); a moving block (12) is fixedly mounted on the telescopic end of the cylinder (10); a rack (13) is fixedly mounted on a side wall of the moving block (12) close to the gear (14); and the rack (13) is meshingly connected with the gear (14).

3. The device for preparing a multi-layer multifunctional hydrogel medical dressing according to claim 2, characterized in that: The stirring mechanism comprises a fixed cylinder (11) fixedly mounted on a side wall of a fixed block (9) close to a moving block (12); a second piston (16) is arranged in the fixed cylinder (11) and is slidably connected to the inner wall thereof; a connecting rod (17) is fixedly connected between the second piston (16) and the moving block (12); a connecting pipe (7) is arranged on the fixed cylinder (11) and is connected to the interior thereof; a hollow shaft (19) is provided through the top of the mixing barrel (2) and is rotatably connected to the mixing barrel (2); a plurality of stirring rods (18) are fixedly mounted on the outer wall of the hollow shaft (19) and are located inside the mixing barrel (2); and the mixing barrel ( 2) is fixedly mounted on the top of a rectangular shell (6) located outside the hollow shaft (19), a first piston (15) is arranged in the rectangular shell (6) and is slidably connected to the inner wall thereof, an inner column (20) is fixedly mounted on the bottom of the first piston (15) and is located inside the hollow shaft (19), a sliding groove (21) is provided on the outer wall of the inner column (20), a sliding block (22) is fixedly mounted on the inner wall of the hollow shaft (19), an end of the connecting pipe (7) away from the fixing cylinder (11) is connected to the rectangular shell (6), and a through hole (23) is provided on the rectangular shell (6) and is located below the first piston (15).

4. The device for preparing a multi-layer multifunctional hydrogel medical dressing according to claim 3, characterized in that: One end of the connecting tube (7) communicating with the fixed cylinder (11) is located on a side of the second piston (16) away from the connecting rod (17).

5. The device for preparing a multi-layer multifunctional hydrogel medical dressing according to claim 4, characterized in that: One end of the connecting tube (7) communicating with the fixed cylinder (11) is located on a side of the first piston (15) away from the inner column (20).

6. The device for preparing a multi-layer multifunctional hydrogel medical dressing according to claim 5, characterized in that: The slide groove (21) is spiral-shaped and the slider (22) is located in the slide groove (21).

7. A multi-layer multifunctional hydrogel medical dressing, which is prepared by the preparation device for a multi-layer multifunctional hydrogel medical dressing according to claim 6, comprising a medical tape (27), characterized in that: A first hydrogel layer (24) is provided on the top of the medical tape (27), a non-woven fabric layer (25) is provided on the top of the first hydrogel layer (24), a second hydrogel layer (26) is provided on the top of the non-woven fabric layer (25), and an antibacterial layer (28) is provided on the top of the second hydrogel layer (26).

Images