Preparation method of hydrogel medical dressing

Abstract

The invention relates to the field of hydrogel medical dressing preparation, in particular to a preparation method of a hydrogel medical dressing. The invention aims to provide the preparation method of the hydrogel medical dressing, and the preparation method has the beneficial effects that in the production process of the hydrogel medical dressing, the prepared dressing is conveniently and stably pressed at multiple angles, so that the shearing work is facilitated. According to the technical scheme, the preparation device of the hydrogel medical dressing comprises a supporting seat and a transverse moving ring frame slidably connected to the upper side of the supporting seat, a rotating frame is rotatably connected to the middle of the transverse moving ring frame, and a middle seat is fixedly connected to the middle of the rotating frame; the four corners of the bottom of the middle base are each fixedly connected with a vertical rod, the four vertical rods are slidably connected with the cross frame, a pressing plate is arranged at the bottom of the cross frame, and a material containing plate is fixedly connected to the middle of the lower side of the supporting base.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of hydrogel medical dressing preparation, and more particularly to a preparation method of hydrogel medical dressing. BACKGROUND

[0002] Hydrogel medical dressings have been widely used in the medical field of wound care and tissue repair due to their excellent moisture retention, biocompatibility, and good adhesion to the wound surface. They can provide a suitable moist environment for the wound, promote the growth of granulation tissue, accelerate wound healing, and reduce secondary damage to the newly formed tissue during dressing changes. Therefore, they have become an important category of modern medical dressings. In the shearing pretreatment of hydrogel medical dressings, there are still some limitations in the pressing and fixing method of the dressings. Because the hydrogel material itself has a certain elasticity and softness, and some dressings have a sticky component on the surface, the traditional pressing method usually uses single direction or fixed angle pressing. Therefore, it is not suitable for stable pressing of the prepared dressings at multiple angles to facilitate shearing work during the production process of hydrogel medical dressings. Therefore, the present application is proposed to solve the above technical problems. SUMMARY

[0003] The purpose of the present application is to provide a preparation method of hydrogel medical dressing, which has the beneficial effect of facilitating stable pressing of the prepared dressings at multiple angles to facilitate shearing work during the production process of hydrogel medical dressings.

[0004] The purpose of the present application is achieved by the following technical solution: a preparation device for hydrogel medical dressing, comprising a support seat and a transverse ring frame slidingly connected to the upper side of the support seat, a rotating frame is rotatably connected to the middle part of the transverse ring frame, a middle seat is fixedly connected to the middle part of the rotating frame, one vertical rod is fixedly connected to the bottom of each corner of the middle seat, the four vertical rods are slidingly connected with a cross frame, a pressing plate is arranged at the bottom of the cross frame, and a material placing plate is fixedly connected to the middle part of the lower side of the support seat.

[0005] The pressing plate is made of tempered glass.

[0006] The pressing plate is detachably mounted at the bottom of the cross frame.

[0007] A rubber protective pad is fixedly connected to the bottom of each vertical rod.

[0008] A rotating rod is rotatably connected to the left side of the transverse ring frame, a gear is fixedly connected to the middle part of the rotating rod, a gear ring frame is fixedly connected to the upper side of the rotating frame, a plurality of teeth are uniformly fixedly connected to the outer side edge of the gear ring frame along the circumferential direction, and the gear is in meshing transmission connection with the teeth on the gear ring frame.

[0009] The method for preparing hydrogel medical dressing by using the above preparation device comprises the following steps:

[0010] S1: Place the hydrogel medical dressing to be cut on the material placing plate;

[0011] S2: Stably press the hydrogel medical dressing on the material placing plate on the material placing plate by the pressing plate, and leak the excess material at the edge;

[0012] S3: Smoothly cut off the excess material leaked at the edge in S2 by the transverse movement of the cutter;

[0013] S4: Perform circular arc cutting on the opposite corners of the material by the circular cutter relying on the circular arc hole as a track. BRIEF DESCRIPTION OF DRAWINGS

[0014] The application will be further described in detail below in combination with the drawings and specific implementation methods.

[0015] Figure 1 is a partial structure diagram of the support seat of the application;

[0016] Figure 2 is a partial structure diagram of the transverse moving ring frame of the application;

[0017] Figure 3 is a partial structure diagram of the cross frame of the application;

[0018] Figure 4 is a partial structure diagram of the pressing plate of the application;

[0019] Figure 5 is a partial structure diagram of the meshing frame of the application;

[0020] Figure 6 is a partial structure diagram of the fixed seat of the application;

[0021] Figure 7 is a partial structure diagram of the right angle frame of the application;

[0022] Figure 8 is a partial structure diagram of the circular cutter of the application;

[0023] Figure 9 and Figure 10 are both overall structure diagrams of the application.

[0024] In the drawings: support seat 101; transverse moving ring frame 102; gear 103; material placing plate 104; rotating rod 105; rotating frame 201; gear ring frame 202; middle seat 203; vertical rod 204; protective pad 205; cross frame 206; transverse moving seat 207; concave frame 208; pressing plate 209; circular arc hole 210; screw rod 301; meshing frame 302; strip hole frame 303; fixed seat 304; cutter 305; short rod 401; rotating seat 402; right angle frame 403; circular cutter 404. DETAILED DESCRIPTION

[0025] The preparation device of a hydrogel medical dressing comprises a support base 101 and a horizontal moving ring frame 102 slidably connected to the upper side of the support base 101, the middle part of the horizontal moving ring frame 102 is rotationally connected with a rotating frame 201, the middle part of the rotating frame 201 is fixedly connected with a middle base 203, the bottom of the middle base 203 is fixedly connected with a vertical rod 204 at each corner, the four vertical rods 204 are slidably connected with a cross frame 206, the bottom of the cross frame 206 is provided with a pressing plate 209, and the lower middle part of the support base 101 is fixedly connected with a material placing plate 104.

[0026] This part is according to Figures 1-4 and Figure 9 , 10The embodiments described in the above are: in the production process of hydrogel medical dressings, in order to facilitate the multi-angle stable pressing of the prepared dressing to facilitate shearing work, when in use, the prepared dressing is placed on the material placing plate 104, the movable end of a first hydraulic cylinder is fixedly connected on the right side of the transverse ring frame 102 through a flange, so that the fixed end of the first hydraulic cylinder is fixedly connected on the top right side of the support seat 101 through a flange, the movable end of a second hydraulic cylinder is fixedly connected in the middle of the cross frame 206 through a flange, and the fixed end of the second hydraulic cylinder is fixedly connected in the middle of the middle seat 203 through a flange, when the dressing is stably pressed to facilitate shearing, first drive the first hydraulic cylinder to make the transverse ring frame 102 drive the rotating frame 201 and the pressing plate 209 on the cross frame 206 below to align the material placing plate 104 below the support seat 101, further, drive the second hydraulic cylinder to make the cross frame 206 on the movable end thereof can move downward relying on the four vertical rods 204 as sliding limit, and press the pressing plate 209 to the surface of the dressing placed on the material placing plate 104, before that, make the rotating frame 201 rotate in the middle of the transverse ring frame 102, so that the pressing plate 209 is opposite to the rear edge part of the material placing plate 104, then when pressing the dressing, make the remaining dressing exposed outside pressed by the pressing plate 209 and the material placing plate 104, so as to retain the dressing of the required size between the pressing plate 209 and the material placing plate 104, which is helpful for the worker to shear the dressing at the remaining edge, and cut the dressing to the appropriate size, at the same time, when cutting the dressing at the opposite angle into a chamfered shape, rotate the rotating frame 201, so that the pressing plate 209 below the rotating frame 201 and the material placing plate 104 form a cross angle, and move the pressing plate 209 downward to press on the dressing placed on the surface of the material placing plate 104, leaving a position at the opposite angle on the material placing plate 104, which is convenient for the worker to shear, so that the dressing has a chamfered shape, and so on, according to the rotation of the rotating frame 201, the shearing work of the dressing has a multi-angle adaptive pressing function, which is convenient for multi-angle stable pressing of the prepared dressing to facilitate shearing work.

[0027] The pressing plate 209 is made of tempered glass.

[0028] This part is according to Figures 1-4 And Figure 9 , 10The embodiment described herein uses a tempered glass material for the pressing plate 209. During use, when the second hydraulic cylinder drives the cross frame 206 to press the pressing plate 209 down onto the dressing surface on the placement plate 104, the operator can clearly observe the degree of adhesion of the dressing, the distribution of excess material at the edges, and the presence of wrinkles through the transparency of the tempered glass. For example, if a localized bulge is found in the dressing during pressing, it can be corrected promptly by adjusting the pressure of the second hydraulic cylinder or the angle of the rotating frame 201, avoiding damage or dimensional deviation of the dressing due to blind pressing.

[0029] The pressing plate 209 is detachably installed at the bottom of the cross rack 206.

[0030] This section is based on Figures 1-4 and Figure 9 , 10 The embodiment described herein is such that the pressing plate 209 is detachably installed at the bottom of the cross frame 206, which facilitates the regular removal of the pressing plate 209 for cleaning, prevents impurities from sticking to the lower surface of the pressing plate 209 after long-term use, further prevents impurities from sticking to the dressing surface, and regularly cleans the contact surface between the pressing plate 209 and the dressing.

[0031] Each vertical rod 204 has a rubber protective pad 205 fixedly connected to its bottom.

[0032] This section is based on Figures 1-4 and Figure 9 , 10 The embodiment described herein is as follows: When the second hydraulic cylinder is driven to cause the cross frame 206 to lift the pressing plate 209 back to its original position, in order to prevent the vertical rod 204 from causing wear on the upper surface of the pressing plate 209 when the tempered glass pressing plate 209 is lifted upward, a rubber protective pad 205 is fixedly connected to the bottom of each vertical rod 204 by bolts. This allows the upper surface of the pressing plate 209 to adhere to the four rubber protective pads 205 when the pressing plate 209 is lifted upward, thus cushioning the pressing plate 209 and preventing wear on its upper surface.

[0033] A rotating rod 105 is rotatably connected to the left side of the transverse ring frame 102. A gear 103 is fixedly connected to the middle of the rotating rod 105. A toothed ring frame 202 is fixedly connected to the upper side of the rotating frame 201. Multiple teeth are evenly fixedly connected along the circumference of the outer edge of the toothed ring frame 202. The gear 103 meshes with the teeth on the toothed ring frame 202 for transmission.

[0034] This section is based on Figures 1-4 and Figure 9 , 10The embodiment described herein is as follows: When adjusting the rotation angle of the pressing plate 209 below the rotating frame 201, the output shaft of a first motor is fixedly connected to the top of the rotating rod 105 via a coupling. The first motor is fixedly installed on the left side of the transverse ring frame 102 by bolts, driving the first motor to rotate the rotating rod 105. When the rotating rod 105 rotates, the gear 103 drives the gear ring frame 202 and the rotating frame 201 to rotate synchronously, precisely adjusting the pressing plate 209 to press the material onto the material plate 104 at the angle, thereby helping to adapt to different chamfering or edge cutting needs of workers, improving the degree of production automation and product consistency.

[0035] A transverse support 207 is fixedly connected to the rear side of the cross frame 206. A meshing frame 302 is slidably connected to the transverse support 207. A lead screw 301 is connected to the middle of the meshing frame 302 via a lead screw drive. The lead screw 301 is rotatably connected to the middle of the transverse support 207. A slotted frame 303 is fixedly connected to the front side of the meshing frame 302. A fixed seat 304 is slidably connected to the slotted frame 303. A downwardly extending cutter 305 is fixedly connected to the middle of the fixed seat 304.

[0036] This section is based on Figures 1-6 and Figure 9 , 10 The embodiment described herein is as follows: A transverse sliding seat 207 is fixedly installed on the rear side of the cross frame 206 by welding. The output shaft of the second motor is fixedly connected to the left side of the lead screw 301 by a coupling. The second motor is fixedly installed on the left side of the transverse sliding seat 207 by bolts. Driving the second motor causes the lead screw 301 to rotate, thereby causing the meshing frame 302, which is connected to the lead screw 301 by screw drive, to move laterally. The movable end of an electric push rod is fixedly connected to the left side of the fixed seat 304 by a flange. The fixed end of the electric push rod is fixedly installed on the top of the slot frame 303 by a flange. Driving the electric push rod causes the fixed seat 304 to slide up and down along the slot frame 303, so that the cutter 305 on the fixed seat 304 is aligned with the edge of the pressing plate 209 and the material placement plate 104. After the pressure plate 209 fixes the dressing, the second motor drives the lead screw 301 to rotate, thereby causing the engagement frame 302 to move horizontally along the transverse seat 207. At the same time, the position of the fixing seat 304 on the perforation frame 303 is adjusted so that the cutter 305 is aligned with the edge of the excess material. Then, the cutter moves down to complete the cutting. For example, if 2cm of the dressing is left at the edge after pressing, the cutter is driven by the lead screw to move along the edge to remove the excess material in one go, eliminating the need for manual cutting with hand tools, reducing operation steps and improving production efficiency. The lead screw drive and the sliding limit of the perforation frame 303 allow for precise adjustment of the cutter position.

[0037] The 305 cutter is made of stainless steel.

[0038] This section is based on Figures 1-6 and Figure 9 , 10The embodiment described in the specification is that the cutter 305 is made of stainless steel. In the long-term process of cutting the dressing, the stainless steel cutter surface is not easy to leave dressing debris, and can withstand alcohol, high temperature and other disinfection methods.

[0039] An angle of the pressing plate 209 is provided with a circular arc hole 210. The bottom of the cross frame 206 is fixedly connected with a concave frame 208, the right side of the concave frame 208 is rotatably connected with a short rod 401, the bottom of the short rod 401 is fixedly connected with a rotating seat 402, one side of the rotating seat 402 is fixedly connected with the fixed end of an electric push rod, the movable end of the electric push rod is fixedly connected with a right-angle frame 403 through a flange, the bottom of the right-angle frame 403 is fixedly connected with a ring cutter 404, and the bottom of the ring cutter 404 is aligned into the circular arc hole 210.

[0040] This part is according to Figures 1-10 The embodiment described in the specification is that in order to facilitate the arc-shaped cutting operation on the opposite corners of the dressing and further increase the shape diversity of the dressing, a circular arc hole 210 is processed at an angle of the pressing plate 209 during use. When the pressing plate 209 presses the dressing, the dressing at the circular arc hole 210 is not covered, so that the circular arc hole 210 is aligned to the opposite corners of the auxiliary material through the horizontal movement of the cross-moving ring frame 102 to drive the rotating frame 201 below the pressing plate 209, and the rotating position of the pressing plate 209 is rotated through the rotation of the rotating frame 201. The top of the short rod 401 is fixedly connected with the output shaft of a third motor through a shaft coupling, and the electric push rod is driven in advance to make the right-angle frame 403 on the movable end of the electric push rod pass through the circular arc hole 210 with the ring cutter 404, and press on the opposite corners of the dressing. The third motor is driven to make the short rod 401 rotate, so that the rotating seat 402 rotates, and at the same time the ring cutter 404 performs circular motion as a track relying on the circular arc hole 210. The center axis of the short rod 401 and the center point of the circular arc hole 210 coincide in the vertical direction, so that the opposite corners of the dressing are cut off in an arc shape by the circular motion of the ring cutter 404. The rest of the opposite corners of the dressing is the same, which facilitates the arc-shaped cutting operation on the opposite corners of the dressing and further increases the shape diversity of the dressing.

[0041] The method for preparing the hydrogel medical dressing by using the preparation device is as follows,

[0042] S1: placing the hydrogel medical dressing to be cut on the material placing plate 104;

[0043] S2: stably pressing the hydrogel medical dressing on the dressing on the material placing plate 104 by the pressing plate 209, and leaking the excess material at the edge;

[0044] S3: cutting off the excess material at the edge leaked in S2 by the horizontal movement of the cutter 305;

[0045] S4: Use the loop cutter 404 to cut the opposite corners of the dressing in an arc shape with the arc hole 210 as the track.

Claims

1. A preparation device of hydrogel medical dressing, comprising a support base and a horizontal moving ring frame slidingly connected to the upper side of the support base, characterized in that: The middle part of the horizontal moving ring frame is rotationally connected with a rotating frame, the middle part of the rotating frame is fixedly connected with a middle part seat, one vertical rod is fixedly connected at the bottom of each corner of the middle part seat, the four vertical rods are slidably connected with the cross frame, the bottom of the cross frame is provided with a pressing plate, and the lower middle part of the supporting seat is fixedly connected with a material placing plate.

2. The preparation device according to claim 1, characterized in that: The pressing plate is made of tempered glass.

3. The preparation device according to claim 2, characterized in that: The pressing plate is detachably installed at the bottom of the cross frame.

4. The preparation device according to claim 3, characterized in that: The bottom of each vertical rod is fixedly connected with a rubber protective pad.

5. The preparation device of claim 1, wherein: The left side of the horizontal moving ring frame is rotationally connected with a rotating rod, the middle part of the rotating rod is fixedly connected with a gear, the upper side of the rotating frame is fixedly connected with a gear ring frame, a plurality of gears are uniformly fixedly connected on the outer side edge of the gear ring frame along the circumferential direction, and the gear is in meshing transmission connection with the gears on the gear ring frame.

6. The preparation device of claim 1, wherein: The rear side of the cross frame is fixedly connected with a horizontal moving seat, the horizontal moving seat is slidably connected with an engaging frame, a lead screw is in transmission connection with the middle part of the engaging frame, the lead screw is rotationally connected in the middle part of the horizontal moving seat, the front side of the engaging frame is fixedly connected with a slot frame, the slot frame is slidably connected with a fixing seat, and the middle part of the fixing seat is fixedly connected with a downward extending cutter.

7. The preparation device according to claim 6, characterized in that: The cutter is made of stainless steel.

8. The preparation device of claim 1, wherein: One corner of the pressing plate is provided with a circular arc hole.

9. The preparation device of claim 8, wherein: The bottom of the cross frame is fixedly connected with a concave frame, the right side of the concave frame is rotationally connected with a short rod, the bottom of the short rod is fixedly connected with a rotating seat, one side of the rotating seat is fixedly connected with the fixed end of an electric push rod, the movable end of the electric push rod is fixedly connected with a right angle frame through a flange, the bottom of the right angle frame is fixedly connected with a ring cutter, and the bottom of the ring cutter is aligned into the circular arc hole.

10. The method of claim 1-9, wherein the method comprises: The method comprises the following steps, S1: placing the hydrogel medical dressing to be cut on the material placing plate; S2: stably pressing the hydrogel medical dressing on the dressing on the material placing plate through the pressing plate, and leaking the excess material at the edge; S3: leveling and cutting the excess material leaked at the edge in S2 through the horizontal movement of the cutter; S4: cutting the opposite corners of the dressing in a circular arc shape by using the ring cutter as a track according to the circular arc hole.

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