Fixing device for pressure injury

Abstract

The invention relates to the technical field of medical instruments, in particular to a fixing device for pressure injury. The winding device comprises a main body, the open end of the main body is rotationally connected with a protective cover, a protective mechanism is arranged in the main body in a sliding mode, a winding mechanism is arranged on the protective mechanism, and a fixing mechanism is arranged on the winding mechanism. According to the drainage tube fixing device, a plurality of limiting plates are manually pulled upwards in sequence, a drainage tube penetrates through a plurality of hollow columns in sequence, then the limiting plates are manually loosened, the upper portion of the drainage tube can be fixed under the force of deformation recovery of a second reset spring, the two sides of the limiting plates are arranged in a bent mode, the two sides of the drainage tube can be limited, and the drainage tube fixing device is convenient to use. The limiting effect of the limiting plate on the drainage tube is improved, the drainage tube is fixed in the limiting plate, direct contact between the skin and the drainage tube is reduced, pressure damage to the skin caused by the drainage tube is avoided, meanwhile, the situation that the drainage tube shakes, shifts or falls off in the using process is reduced, and stability and effectiveness of drainage are guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of medical instruments, in particular to a fixation device for pressure injuries. Background Art

[0002] Pressure injury, also known as pressure sore, is damage to the skin and subcutaneous tissue due to long-term pressure on local tissues of the body, leading to blood circulation disorders, continuous ischemia, hypoxia, and malnutrition of local tissues. After surgery, there will usually be accumulation of blood, fluid, pus, etc., and drainage tubes are needed to prevent the spread of infection, help patients recover after surgery, and prevent drainage tube pressure sores. Therefore, a fixation device for pressure injuries is needed to fix the drainage tubes to prevent pressure injuries.

[0003] At present, the method of fixing the drainage tube in clinical practice is to directly use adhesive tape to stick the drainage tube to the skin. However, the drainage tube is in contact with the skin for a long time, which is easy to cause pressure damage to the skin. Moreover, as the patient's body turns over, the adhesive tape may gradually lose its stickiness, thereby causing the drainage tube to shift.

[0004] Furthermore, some drainage tubes are relatively long, so when fixing them, multiple adhesive tapes are usually required. Multiple adhesive tapes covering the skin will hinder the normal breathing and perspiration of the skin, making the local skin moist, thereby increasing the risk of pressure damage to the skin.

[0005] In addition, the exposed part of the drainage tube that is too long may not only hinder the patient's normal activities, but the exposed part may also be scratched or squeezed by surrounding objects, causing the drainage tube to deform and affecting the drainage effect. In view of this, we propose a fixation device for pressure injuries. Summary of the invention

[0006] The object of the present invention is to provide a fixation device for pressure injuries to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned object, the present invention provides a fixation device for pressure injury, comprising a main body, a protective cover is rotatably connected to the open end of the main body, a protective mechanism is slidably provided inside the main body, a winding mechanism is provided on the protective mechanism, and a fixing mechanism is provided on the winding mechanism, wherein:

[0008] When the protective cover rotates and separates from the opening end of the main body, the protective mechanism drives the winding mechanism and the fixing mechanism to extend out of the main body so as to wind the drainage tube around the winding mechanism;

[0009] When the protective cover is located at the open end of the main body, the resilience force generated by the compression of the protective mechanism is limited inside the main body, limiting the drainage tube wound on the winding mechanism from being exposed to the outside.

[0010] As a further improvement of the present technical solution, the protective mechanism includes a movable plate slidably connected to the inner wall of the main body, a No. 1 return spring is fixedly connected to the bottom of the movable plate, and the side of the No. 1 return spring away from the movable plate is fixedly connected to the inner bottom of the main body.

[0011] As a further improvement of the technical solution, the winding mechanism includes a mounting plate slidably arranged on the movable plate, two hollow columns are fixedly connected above the mounting plate, and a No. 2 return spring is fixedly connected to the bottom of each hollow column, and a side of the No. 2 return spring away from the hollow column is fixedly connected to a limit plate;

[0012] The two ends of the limiting plate are bent to form a bending portion.

[0013] As a further improvement of the present technical solution, a total of four hollow columns, No. 2 return springs and limit plates are provided, two of which are located above the mounting plate, and the other two are located above the movable plate, and the four are arranged in an alternating manner.

[0014] As a further improvement of the present technical solution, a sliding groove is provided above the movable plate, a sliding block is slidably connected in the sliding groove, a fixed plate is fixedly connected above the sliding block, two No. 3 return springs are fixedly connected above the fixed plate, and the side of the No. 3 return spring away from the fixed plate is fixedly connected to the bottom of the mounting plate.

[0015] As a further improvement of the technical solution, the fixing mechanism includes two connecting rods rotatably connected to the mounting plate, and the bottoms of the connecting rods are both arranged through the bottom of the mounting plate, the outer wall of the connecting rod is fixedly connected to two limiting columns, and a plurality of limiting grooves are opened on both sides of the movable plate;

[0016] The upper end of the limit groove is set in a rectangular shape on both sides of the middle circle, and the diameter of the lower end of the limit groove is equal to the length value of the upper end of the limit groove;

[0017] The two limiting columns are symmetrically arranged.

[0018] As a further improvement of the technical solution, two pressing plates are provided on one side of the protective cover close to the movable plate, and the two pressing plates are respectively located directly above the two connecting rods;

[0019] One side of the pressing plate is bent to form a folding block.

[0020] As a further improvement of the present technical solution, through grooves are provided on the front and rear sides of the main body, a No. 4 return spring is fixedly connected to the side of the protective cover close to the through groove, and an arc plate is fixedly connected to the side of the No. 4 return spring away from the protective cover.

[0021] As a further improvement of the technical solution, the bottom of the main body is fixedly connected with Velcro surface a, the side of Velcro surface a away from the main body is adhered with Velcro surface b, and the side of Velcro surface b away from Velcro surface a is fixedly connected with a latex pad.

[0022] As a further improvement of the technical solution, a rectangular groove is opened on the inner wall of the main body, a positioning block is slidably connected in the rectangular groove, and a side of the positioning block away from the rectangular groove is fixedly connected to a side adjacent to the movable plate.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. In the fixation device for pressure injury, multiple limit plates are manually pulled upward in sequence, and the drainage tube is passed through multiple hollow columns in sequence. Then the limit plates are manually loosened, and the upper part of the drainage tube can be fixed under the force of the No. 2 reset spring to restore the deformation, and the two sides of the limit plate are curved, which can limit the two sides of the drainage tube, thereby improving the limiting effect of the limit plate on the drainage tube, fixing the drainage tube in the limit plate, reducing direct contact between the skin and the drainage tube, avoiding pressure damage to the skin caused by the drainage tube, and reducing the shaking, displacement or dislocation of the drainage tube during use, ensuring stable and effective drainage.

[0025] 2. In the fixation device for pressure injuries, by opening the protective cover, the movable plate is driven to move toward the outside of the main body under the force of the No. 1 reset spring to restore the deformation, and then the drainage tube is manually passed through multiple hollow columns in turn to achieve the rewinding of the drainage tube, avoiding the need to adhere multiple adhesive tapes to fix the drainage tube due to its excessive length. The drainage tube is rolled up through multiple hollow columns, which improves the patient's comfort and reduces the risk of the drainage tube being accidentally pulled or falling off due to being exposed for too long.

[0026] 3. In the fixing device for pressure injury, after the drainage tube is wound, the protective cover is manually closed to drive the pressure plate and the folding block to rotate, squeeze the movable plate, and retract the movable plate into the main body, thereby retracting the drainage tube wound on the hollow column into the main body. The main body can not only provide a relatively closed and clean environment, reduce the possibility of contamination of the drainage tube and infection, but also reduce the collision and damage of the drainage tube by external objects, thereby extending the service life of the drainage tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the closed three-dimensional structure of the protective cover of the present invention;

[0028] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0029] Figure 3 This is a schematic diagram of the three-dimensional structure of the protective cover of the present invention when it is opened;

[0030] Figure 4 It is a schematic diagram of the first cross-sectional structure of the present invention;

[0031] Figure 5 It is a schematic diagram of the explosion structure of the present invention;

[0032] Figure 6 It is a structural schematic diagram of the fixing mechanism of the present invention;

[0033] Figure 7 It is a schematic diagram of the main bottom structure of the present invention;

[0034] Figure 8 It is a schematic diagram of the cross-sectional structure of the positioning block of the present invention;

[0035] Fig. 9 It is a schematic diagram of the second cross-sectional structure of the present invention;

[0036] Fig.10 It is a schematic diagram of the enlarged structure of point A of the present invention.

[0037] The meaning of each number in the figure is:

[0038] 100, main body; 110, protective cover; 120, No. 4 return spring; 121, arc plate; 130, positioning block;

[0039] 200, protection mechanism; 210, moving plate; 220, No. 1 return spring;

[0040] 300, winding mechanism; 310, mounting plate; 311, hollow column; 312, No. 2 return spring; 313, limit plate; 320, slider; 321, fixed plate; 322, No. 3 return spring;

[0041] 400, fixing mechanism; 410, connecting rod; 411, limiting column; 420, limiting groove; 430, pressing plate; 431, folding block;

[0042] 500, Velcro side a; 510, Velcro side b; 520, latex pad. DETAILED DESCRIPTION

[0043] The following will be combined with the accompanying drawings in 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.

[0044] See also Figure 1-Figure 10As shown, this embodiment provides a fixation device for pressure injury, including a main body 100, the open end of the main body 100 is rotatably connected to a protective cover 110, a lock is provided between the main body 100 and the protective cover 110, and the main body 100 and the protective cover 110 are separated by pressing the lock, and a protective mechanism 200 is slidably provided inside the main body 100, a winding mechanism 300 is provided on the protective mechanism 200, and a fixing mechanism 400 is provided on the winding mechanism 300, wherein:

[0045] When the protective cover 110 rotates and separates from the open end of the main body 100, the protective mechanism 200 drives the winding mechanism 300 and the fixing mechanism 400 to extend out of the main body 100 so as to wrap the drainage tube around the winding mechanism 300, thereby improving the use effect of the device;

[0046] When the protective cover 110 is located at the open end of the main body 100, the compressive rebound force generated by the protective mechanism 200 is limited inside the main body 100, limiting the drainage tube wound on the winding mechanism 300 from being exposed to the outside, thereby protecting the drainage tube and increasing the service life of the drainage tube.

[0047] At present, the method of fixing the drainage tube clinically is to directly use adhesive tape to stick the drainage tube to the skin. However, the drainage tube is in contact with the skin for a long time, which is easy to cause pressure damage to the skin. As the patient's body turns over, the adhesive tape may gradually lose its stickiness, thereby causing the drainage tube to shift. Therefore, a protective mechanism 200 is provided to cooperate with a winding mechanism 300 to fix the drainage tube inside the main body 100, reduce direct contact between the skin and the drainage tube, and thus avoid pressure damage to the skin caused by the drainage tube. At the same time, a fixing mechanism 400 is provided to fix the drainage tube inside the main body 100, reduce the possibility of shaking, shifting or falling out of the drainage tube during use, and ensure stable and effective drainage.

[0048] Furthermore, some drainage tubes are relatively long as a whole, so when fixing them, it is usually necessary to stick multiple adhesive tapes. Multiple adhesive tapes covering the skin will hinder the normal breathing and perspiration of the skin, making the local skin moist, thereby increasing the risk of pressure damage to the skin; therefore, the winding mechanism 300 is provided to wind up the relatively long drainage tube, avoiding the need to stick multiple adhesive tapes to fix the drainage tube due to its excessive length. By rolling up the drainage tube through the winding mechanism 300, there is no tightness and foreign body sensation caused by the adhesive tape sticking to the skin, the patient's comfort is significantly improved, and the risk of the drainage tube being accidentally pulled or falling off due to being exposed to the outside for too long is reduced;

[0049] In addition, the exposed portion of the drainage tube that is too long may not only hinder the patient's normal activities, but the exposed portion may also be scratched or squeezed by surrounding objects, causing the drainage tube to deform and affecting the drainage effect; therefore, a protective mechanism 200 is provided, and when the protective cover 110 is closed, the compressed rebound force generated by the protective mechanism 200 is limited to the inside of the main body 100, thereby limiting the exposure of the drainage tube wrapped around the winding mechanism 300 to the outside world. The main body 100 can not only provide a relatively closed and clean environment, reducing the possibility of the drainage tube being contaminated and causing infection, but also reduce the collision and damage to the drainage tube by external objects, thereby extending the service life of the drainage tube.

[0050] Considering the need to protect the exposed part of the drainage tube, such as Figure 3 and Figure 5 As shown, the protection mechanism 200 includes a moving plate 210 slidably connected to the inner wall of the main body 100, and a No. 1 return spring 220 is fixedly connected to the bottom of the moving plate 210, and the side of the No. 1 return spring 220 away from the moving plate 210 is fixedly connected to the bottom of the main body 100. The lock installed between the protection cover 110 and the main body 100 is opened. When the protection cover 110 is not opened, the moving plate 210 and the No. 1 return spring 220 are located in a compressed state inside the main body 100. When the protection cover 110 is opened, the No. 1 return spring 220 restores the deformation force, driving the moving plate 210 to move to the outside of the main body 100, so that The movable plate 210 is moved out from the inside of the main body 100, which makes it convenient for medical staff to wind the drainage tube into the winding mechanism 300 installed above the movable plate 210. When the protective cover 110 is closed, the movable plate 210 and the No. 1 return spring 220 are squeezed so that the movable plate 210 and the No. 1 return spring 220 can be retracted into the inside of the main body 100, thereby retracting the drainage tube into the inside of the main body 100, which not only avoids direct contact and friction between the drainage tube and the skin, reduces irritation and damage to the skin, thereby avoiding pressure damage to the skin caused by the drainage tube, but also reduces collision and damage to the drainage tube by external objects, thereby extending the service life of the drainage tube.

[0051] Considering the need to fix the drainage tube when it is rolled up, such as Figure 3-Figure 4 and Fig.10 As shown, the winding mechanism 300 includes a mounting plate 310 slidably arranged on the movable plate 210, two hollow columns 311 are fixedly connected above the mounting plate 310, and a No. 2 return spring 312 is fixedly connected to the bottom of the hollow column 311, and a side of the No. 2 return spring 312 away from the hollow column 311 is fixedly connected to a limit plate 313, and the limit plate 313 is manually pulled upward, and the No. 2 return spring 312 is deformed at this time, and then the drainage tube is passed through the hollow column 311, and the limit plate 313 is manually released, and the drainage tube can be fixed under the force of the No. 2 return spring 312 to restore the deformation;

[0052] The two ends of the limiting plate 313 are bent to form a bent portion. When the limiting plate 313 fixes the top of the drainage tube, the bent portions on both sides of the limiting plate 313 can limit the two sides of the drainage tube. The limiting plate 313 can not only fix the drainage tube from multiple directions to make its position more stable, reduce the shaking, displacement or disengagement of the drainage tube during use, and ensure the stability and effectiveness of drainage, but also the drainage tube is located between the bent portions, which can ensure that the drainage tube always maintains the correct position and avoids displacement and bending of the drainage tube.

[0053] Considering the need to reel in some of the longer drainage tubes, such as Figure 4 As shown, there are four hollow columns 311, No. 2 return springs 312 and limit plates 313, among which two hollow columns 311, No. 2 return springs 312 and limit plates 313 are located above the mounting plate 310, and the other two hollow columns 311, No. 2 return springs 312 and limit plates 313 are located above the movable plate 210, and the four are staggered. The four hollow columns 311 are staggered, and the drainage tube is passed through the four hollow columns 311 in turn, and the drainage tube is rolled up in a wave shape. Compared with the circular winding, the extrusion of each part of the wavy rolled drainage tube is relatively dispersed, which can better maintain the patency of the lumen.

[0054] Considering that the distance between the hollow column 311 installed on the mounting plate 310 and the hollow column 311 installed on the moving plate 210 needs to be adjusted according to the length of the drainage tube, as shown in FIG. Figure 3-Figure 5 A sliding groove is provided above the movable plate 210, and a slider 320 is slidably connected in the sliding groove. A fixed plate 321 is fixedly connected above the slider 320, and two No. 3 return springs 322 are fixedly connected above the fixed plate 321, and the No. 3 return spring 322 is fixedly connected to the bottom of the mounting plate 310 on one side away from the fixed plate 321. The fixed plate 321 is manually pulled to drive the slider 320 to slide in the sliding groove, and the fixed plate 321 slides, driving the mounting plate 310 to slide, thereby driving the hollow column 311 to slide, so as to adjust the spacing value between the hollow column 311 installed on the mounting plate 310 and the hollow column 311 installed on the movable plate 210 according to the length value of the drainage tube, so as to meet the fixing requirements of drainage tubes of various length specifications, thereby improving the versatility and convenience of the device.

[0055] Considering the need to ensure the stability of the mounting plate 310 after movement, Figure 3-Figure 6As shown, the fixing mechanism 400 includes two connecting rods 410 rotatably connected to the mounting plate 310, and the bottoms of the connecting rods 410 are all set through the bottom of the mounting plate 310, and the outer wall of the connecting rod 410 is fixedly connected to two limiting columns 411, and a plurality of limiting grooves 420 are opened on both sides of the movable plate 210, so that the connecting rod 410 can find a suitable limiting groove 420 for plugging and fixing after moving, and the connecting rod 410 assists the No. 3 return spring 322 to share the pressure of the mounting plate 310 and provide stability to the mounting plate 310;

[0056] The upper end of the limiting groove 420 is set in a rectangular shape on both sides of a central circle, and the diameter of the lower end of the limiting groove 420 is equal to the length value of the upper end of the limiting groove 420;

[0057] The two limit posts 411 are symmetrically arranged, which is convenient for the limit posts 411 to be inserted or removed from the two side rectangles at the upper end of the limit slot 420. When the spacing needs to be adjusted, the connecting rod 410 is manually rotated while the mounting plate 310 is pulled upward. At this time, the No. 3 return spring 322 is stretched and deformed, and the mounting plate 310 is stretched, which can drive the connecting rod 410 to move upward. When the connecting rod 410 rotates, the limit post 411 is driven to rotate. When the limit post 411 rotates to the rectangular end of the limit slot 420, the mounting plate 310 is pulled upward, and the connecting rod 410 and the limit post 411 can be pulled out from the inside of the limit slot 420, and then the fixing plate 321 is manually pulled; after the adjustment is completed, the connecting rod 410 is manually rotated to drive the limit post 411 to rotate, so that the limit post 411 is reinserted into the adjacent limit slot 420, thereby limiting the movement of the mounting plate 310.

[0058] In order to further enhance the stability of the mounting plate 310, as Figure 3-Figure 4 As shown, two pressing plates 430 are provided on one side of the protective cover 110 close to the movable plate 210, and the two pressing plates 430 are respectively located directly above the two connecting rods 410. When the protective cover 110 is closed, the pressing plates 430 are driven to rotate, so that the pressing plates 430 can limit and fix the tops of the connecting rods 410, so as to prevent the No. 3 return spring 322 from shaking when the patient turns over, thereby driving the mounting plate 310 to shake. The pressing plates 430 are set to further press and fix the tops of the connecting rods 410, thereby improving the stability of the mounting plate 310.

[0059] One side of the pressing plate 430 is bent to form a folding block 431. When the pressing plate 430 rotates, the folding block 431 is driven to rotate, squeezing the movable plate 210, and the movable plate 210 is retracted into the main body 100. When the protective cover 110 is closed, the folding block 431 first squeezes the movable plate 210, which not only avoids squeezing the hollow column 311 when the protective cover 110 is closed, thereby squeezing the drainage tube under the hollow column 311, but also further avoids the shaking of the No. 1 return spring 220 when the patient is turned over, thereby improving the stability of the No. 1 return spring 220 when the drainage tube is fixed.

[0060] Considering the need to limit and fix the drainage tube into the main body 100 and out of the side of the main body 100, such as Figure 7 As shown, through grooves are provided on the front and rear sides of the main body 100, and a No. 4 return spring 120 is fixedly connected to the side of the protective cover 110 close to the through groove, and a curved plate 121 is fixedly connected to the side of the No. 4 return spring 120 away from the protective cover 110. When the protective cover 110 is closed, the No. 4 return spring 120 and the curved plate 121 are driven to rotate, so that the curved plate 121 can fix the drainage tube on one side of the through groove, thereby improving the fixing effect of the device on the drainage tube. The No. 4 return spring 120 is provided, so that the curved plate 121 is suitable for limiting drainage tubes of different diameters.

[0061] Considering the need to fix the main body 100 on the patient's skin, Figure 7-Figure 8 As shown, the bottom of the main body 100 is fixedly connected with a Velcro surface a 500, the side of the Velcro surface a 500 away from the main body 100 is adhered with a Velcro surface b 510, and the side of the Velcro surface b 510 away from the Velcro surface a 500 is fixedly connected with a latex pad 520. When in use, the latex pad 520 is firstly pasted on the patient's skin. The latex pad 520 usually has good decompression performance and comfort, has natural elasticity and softness, can better fit the patient's skin curve, disperse pressure, and provide more uniform support. It also has It has a certain degree of air permeability, which helps to reduce the stuffy feeling of the skin, and when the latex pad 520 is damaged, the Velcro b side 510 can be torn off the Velcro a side 500. When the latex pad 520 is damaged, the main body 100 and the latex pad 520 can be disassembled to replace the latex pad 520. There is no need to replace the entire device due to damage to the latex pad 520, which saves costs. In addition, latex pads 520 of different materials or performances can be selected for replacement according to different needs of patients, thereby improving the flexibility of the device.

[0062] Considering the stability of the moving plate 210 when it moves, Figure 8As shown, a rectangular groove is opened on the inner wall of the main body 100, and a positioning block 130 is slidably connected in the rectangular groove, and the side of the positioning block 130 away from the rectangular groove is fixedly connected to the side adjacent to the movable plate 210. When the movable plate 210 moves, the positioning block 130 is driven to slide in the rectangular groove. The rectangular groove and the positioning block 130 are provided to provide guidance and stability for the movement of the movable plate 210.

[0063] Working principle: first, the latex pad 520 is pasted on the patient's skin, and then the lock installed between the protective cover 110 and the main body 100 is opened. Since the protective cover 110 is not opened, the movable plate 210 and the No. 1 return spring 220 are located inside the main body 100 and are in a compressed state. When the protective cover 110 is opened, the No. 1 return spring 220 restores the deformation force and drives the movable plate 210 to move to the outside of the main body 100, so that the movable plate 210 is moved out from the inside of the main body 100. Then, one end of the drainage tube is manually inserted into the through groove on the side of the main body 100 close to the mounting plate 310, and then the multiple limit plates 313 are manually pulled upward in sequence. At this time, the No. 2 return spring 312 is deformed, and the drainage tube is passed through the multiple hollow columns 311 in sequence, and then passed out from the through groove on the other side of the main body 100;

[0064] Moreover, after the drainage tube passes through the hollow column 311, the limiting plate 313 is manually loosened, and the upper part of the drainage tube can be fixed under the force of the second return spring 312 to restore the deformation, and the two sides of the limiting plate 313 are bent, and the bending parts on both sides of the limiting plate 313 can limit the two sides of the drainage tube, thereby improving the limiting effect of the winding mechanism 300 on the drainage tube;

[0065] And the distance between the hollow column 311 installed on the mounting plate 310 and the hollow column 311 installed on the movable plate 210 can be adjusted according to the length of the drainage tube. When the distance needs to be adjusted, the connecting rod 410 is manually rotated while the mounting plate 310 is pulled upward. At this time, the No. 3 return spring 322 is stretched and deformed, and the mounting plate 310 is stretched, which can drive the connecting rod 410 to move upward. When the connecting rod 410 rotates, the limiting column 411 is driven to rotate. When the limiting column 411 rotates to the rectangular end of the limiting groove 420, the mounting plate 310 is pulled upward, and the connecting rod 410 and the limiting column 411 can be connected. The fixing plate 321 is then manually pulled out of the limiting groove 420, thereby driving the slider 320 to slide in the sliding groove, the fixing plate 321 slides, driving the mounting plate 310 to slide, thereby driving the hollow column 311 to slide, and adjusting the spacing between the hollow column 311 mounted on the mounting plate 310 and the hollow column 311 mounted on the movable plate 210 according to the length of the drainage tube, thereby improving the use effect of the device. After the adjustment is completed, the connecting rod 410 is manually rotated to drive the limiting column 411 to rotate, so that the limiting column 411 is re-inserted into the adjacent limiting groove 420, thereby limiting the movement of the mounting plate 310;

[0066] After the winding is completed, the protective cover 110 is manually closed. When the protective cover 110 is closed, the pressure plate 430 is driven to rotate, so that the pressure plate 430 can limit and fix the top of the connecting rod 410. When the pressure plate 430 rotates, it drives the folding block 431 to rotate, squeeze the movable plate 210, and retract the movable plate 210 into the main body 100, thereby retracting the drainage tube wrapped around the hollow column 311 into the main body 100, avoiding direct contact and friction between the drainage tube and the skin, reducing irritation and damage to the skin, and thus avoiding pressure damage to the skin caused by the drainage tube.

[0067] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A fixation device for pressure injuries, comprising a main body (100), wherein an open end of the main body (100) is rotatably connected to a protective cover (110), characterized in that: A protection mechanism (200) is slidably disposed inside the main body (100), a winding mechanism (300) is disposed on the protection mechanism (200), and a fixing mechanism (400) is disposed on the winding mechanism (300), wherein: When the protective cover (110) rotates and separates from the open end of the main body (100), the protective mechanism (200) drives the winding mechanism (300) and the fixing mechanism (400) to extend out of the interior of the main body (100) so as to wind the drainage tube around the winding mechanism (300); When the protective cover (110) is located at the open end of the main body (100), the compressive resilience force generated by the protective mechanism (200) is limited inside the main body (100), thereby limiting the drainage tube wound on the winding mechanism (300) from being exposed to the outside.

2. The fixation device for pressure injury according to claim 1, characterized in that: The protection mechanism (200) comprises a movable plate (210) slidably connected to the inner wall of the main body (100), a No. 1 return spring (220) being fixedly connected to the bottom of the movable plate (210), and a side of the No. 1 return spring (220) away from the movable plate (210) is fixedly connected to the inner bottom of the main body (100).

3. The fixation device for pressure injury according to claim 2, characterized in that: The winding mechanism (300) comprises a mounting plate (310) slidably mounted on a movable plate (210), two hollow columns (311) being fixedly connected above the mounting plate (310), a No. 2 return spring (312) being fixedly connected to the bottom of each hollow column (311), and a limiting plate (313) being fixedly connected to one side of the No. 2 return spring (312) away from the hollow column (311); The two ends of the limiting plate (313) are bent to form a bent portion.

4. The fixation device for pressure injury according to claim 3, characterized in that: A total of four hollow columns (311), No. 2 return springs (312) and limit plates (313) are provided, wherein two of the hollow columns (311), No. 2 return springs (312) and limit plates (313) are located above the mounting plate (310), and the other two of the hollow columns (311), No. 2 return springs (312) and limit plates (313) are located above the moving plate (210), and the four are arranged in a staggered manner.

5. The fixation device for pressure injury according to claim 4, characterized in that: A sliding groove is provided above the movable plate (210), a slider (320) is slidably connected in the sliding groove, a fixed plate (321) is fixedly connected above the slider (320), two No. 3 return springs (322) are fixedly connected above the fixed plate (321), and the side of the No. 3 return spring (322) away from the fixed plate (321) is fixedly connected to the bottom of the mounting plate (310).

6. The fixation device for pressure injury according to claim 3, characterized in that: The fixing mechanism (400) comprises two connecting rods (410) rotatably connected to the mounting plate (310), and the bottoms of the connecting rods (410) are both arranged to penetrate the bottom of the mounting plate (310), two limiting columns (411) are fixedly connected to the outer wall of the connecting rod (410), and a plurality of limiting grooves (420) are provided on both sides of the movable plate (210); The upper end of the limiting groove (420) is arranged in a rectangular shape on both sides of a central circle, and the circular diameter of the lower end of the limiting groove (420) is equal to the length value of the upper end of the limiting groove (420); The two limiting posts (411) are symmetrically arranged.

7. The fixation device for pressure injury according to claim 6, characterized in that: Two pressing plates (430) are provided on one side of the protective cover (110) close to the movable plate (210), and the two pressing plates (430) are respectively located directly above the two connecting rods (410); One side of the pressing plate (430) is bent to form a folding block (431).

8. The fixation device for pressure injury according to claim 1, characterized in that: Through slots are provided on both the front and rear sides of the main body (100); a No. 4 return spring (120) is fixedly connected to the side of the protective cover (110) close to the through slot; and a curved plate (121) is fixedly connected to the side of the No. 4 return spring (120) away from the protective cover (110).

9. The fixation device for pressure injury according to claim 1, characterized in that: The bottom of the main body (100) is fixedly connected to a Velcro surface a (500), a Velcro surface b (510) is bonded to the side of the Velcro surface a (500) away from the main body (100), and a latex pad (520) is fixedly connected to the side of the Velcro surface b (510) away from the Velcro surface a (500).

10. The fixation device for pressure injury according to claim 2, characterized in that: The inner wall of the main body (100) is provided with a rectangular groove, a positioning block (130) is slidably connected in the rectangular groove, and a side of the positioning block (130) away from the rectangular groove is fixedly connected to a side adjacent to the moving plate (210).

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