Drainage tube fixing device for head postoperative care

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to a drainage tube fixing device for head postoperative care, which comprises two groups of headstocks oppositely arranged, an elastic connecting band is connected to the rear sides of the two groups of headstocks, fixing bands are connected to the front sides of the two groups of headstocks, and an arc-shaped frame is connected to the tops of the two groups of headstocks. A rail groove is formed in the arc-shaped frame, a sliding block is arranged in the rail groove in a sliding mode, a connecting block is connected to the front side of the sliding block, a pipe body fixing mechanism is arranged on the connecting block, and the pipe body fixing mechanism comprises a surrounding assembly and an inflation pressing assembly; the hoop embracing assembly containing the elastic expansion strip is combined with the air inflation pressing assembly composed of the air containing cylinder and the piston plate, the piston plate is pushed through the threaded rod to adjust air pressure so as to achieve tightness control over the elastic expansion strip, drainage tubes with different tube diameters can be firmly fixed, and it is avoided that a hard clamp damages the tube wall or compresses a tube cavity.

Description

Technical Field

[0001] This invention belongs to the field of medical device technology, specifically referring to a drainage tube fixation device for postoperative head care. Background Technology

[0002] In postoperative care of head surgeries such as neurosurgery and maxillofacial surgery, drainage tubes are key medical devices for draining intracranial or surgical area effusions and hematomas. Their fixation and stability directly affect the drainage effect and patient safety.

[0003] Currently, there are two main types of methods for fixing drainage tubes in clinical practice: one is to attach the drainage tube to the patient's scalp or face with medical tape. This method has obvious drawbacks. Postoperative sweating can reduce the adhesiveness of the tape, leading to displacement or even detachment of the drainage tube. Furthermore, prolonged contact of the tape with the skin can irritate the sensitive scalp, increasing the risk of redness, swelling, and allergies. The other method uses simple plastic clips or bandages for fixation. The clamping force is difficult to control precisely. If it is too loose, the drainage tube may slip, while if it is too tight, it may compress the tube wall, causing narrowing of the lumen, affecting drainage efficiency, or even damaging the drainage tube. At the same time, most existing fixation devices are one-piece structures, which cannot flexibly adjust the size according to the patient's head circumference or adjust the fixation position according to the actual direction of the drainage tube. This poor adaptability brings many inconveniences to postoperative care. Summary of the Invention

[0004] To address the aforementioned challenges, this invention provides a drainage tube fixation device for postoperative head care. It employs a clamping assembly with an elastic expansion strip, combined with an inflation and compression assembly consisting of an air cylinder and a piston plate. The elastic expansion strip is tightened by adjusting the air pressure through a threaded rod pushing the piston plate. This device can securely fix drainage tubes of different diameters while avoiding damage to the tube wall or compression of the lumen by hard clamping.

[0005] To achieve the above functions, the technical solution adopted by the present invention is as follows: A drainage tube fixation device for postoperative head care includes a head frame, two sets of head frames arranged opposite each other, elastic connecting straps connected to the rear sides of the two sets of head frames, fixing straps connected to the front sides of the two sets of head frames, and an arc-shaped frame connected to the top of the two sets of head frames. The arc-shaped frame has a rail groove, and a slider is slidably arranged in the rail groove. A connecting block is connected to the front side of the slider, and a tube fixing mechanism is provided on the connecting block. The tube fixing mechanism includes a circumferential assembly and an inflation-compression assembly. The circumferential assembly and the inflation-compression assembly are connected in a driving connection. The two sets of head frames are placed on both sides of the head, and are initially fixed by the elastic connecting straps on the rear sides to adapt to the head circumference. Then, the front fixing straps are used for further reinforcement. The rail groove of the top arc-shaped frame allows the slider to slide, driving the connecting block and the tube fixing mechanism to adjust their positions. Finally, the drainage tube is fixed by the cooperation of the circumferential assembly and the inflation-compression assembly of the tube fixing mechanism.

[0006] As a preferred embodiment of the present invention, the circumferential assembly includes a clamp, elastic expansion strips, a threaded collar, and a threaded rod. Two sets of clamps are arranged in a mutually cooperating manner, and the two sets of clamps are connected by a hinge shaft. Multiple sets of elastic expansion strips are arranged in a circular array on the inner sidewall of the clamps, and each set of elastic expansion strips is connected by a flexible hose channel. Extension blocks are provided at the sides of the two sets of clamps away from the hinge shaft. The threaded collar passes through the extension blocks. The threaded rod is threadedly fitted through the threaded collar and the extension blocks. The end of the tube is connected to a push block. The drainage tube is placed between two sets of hinged clamps. The threaded rod is rotated, and the threaded rod pushes the push block through the threaded collar. At the same time, the elastic expansion strip is connected to the inflation and compression assembly through the hose channel. Subsequently, the inflation and compression assembly is inflated to make the elastic expansion strip fit the drainage tube. The two sets of clamps are closed and tightened through the cooperation of the extension block, threaded collar and threaded rod. The combination of the elastic expansion strip and the ring structure can not only firmly fix the drainage tube, but also avoid damage to the drainage tube by hard clamping. It is also compatible with drainage tubes of different diameters and has wide applicability.

[0007] As a preferred embodiment of the present invention, the inflatable compression assembly includes an air cylinder, a piston plate, and a spring. The air cylinder is fixedly connected to the side end of the connecting block. A slot is provided on one side wall of the air cylinder, allowing the push block to pass through. An air pipe is connected to the other side of the air cylinder, and the air pipe is connected to an elastic expansion strip. The piston plate is slidably disposed inside the air cylinder. The spring is connected between the piston plate and the inner side wall of the air cylinder. When the threaded rod is rotated, the push block passes through the slot of the air cylinder, pushes the piston plate to stretch the spring, and the gas in the air cylinder enters the elastic expansion strip through the air pipe, causing it to expand and tighten around the drainage tube. When the threaded rod is rotated in the opposite direction, the spring resets and pulls the piston plate, and the gas flows back to the air cylinder. The elastic expansion strip contracts and loosens the drainage tube. The fixing force is adjusted by air pressure, and the force is gentle and controllable, avoiding rigid pressure on the drainage tube. The operation is simple, and the tightness can be flexibly adjusted according to needs.

[0008] As a preferred technical solution of the present invention, one set of the fixing straps is connected to a slot at one end, and the other set of the fixing straps is connected to a buckle at one end. The buckle and the slot are engaged. After the two sets of head frames are positioned, the fixing straps with buckles and the fixing straps with slots are wrapped around the head, and the buckles are snapped into the slots to achieve front-side fixation. When disassembling, the fixing straps can be separated by unfastening the buckles, making disassembly and assembly convenient and quick.

[0009] As a preferred embodiment of the present invention, the head frame is connected to a strap on the bottom side, and the end of the strap is provided with Velcro. The strap on the bottom side of the head frame is wrapped around the chin or neck, and the tightness is adjusted and fixed by the Velcro at the end, which helps to enhance the overall stability of the head frame.

[0010] As a preferred embodiment of the present invention, a breathable padding layer is provided on the inner wall of the head frame. The breathable padding layer on the inner wall of the head frame is in direct contact with the scalp, reducing the direct pressure of the head frame shell on the scalp. At the same time, the breathable structure of the padding layer can promote air circulation and prevent the scalp from feeling stuffy.

[0011] Compared with the prior art, the present invention achieves the following beneficial effects by adopting the above structure: 1. The circumferential assembly of the tube fixing mechanism fits the drainage tube with an elastic expansion strip, avoiding damage to the tube wall caused by direct contact with the hard clamp. The air-pressurizing assembly adjusts the air pressure by pushing the piston plate with a push block, so that the expansion force of the elastic expansion strip is gentle and controllable. It can firmly hold the drainage tube to prevent slippage, and avoid tube stenosis caused by rigid compression. At the same time, it is compatible with drainage tubes of different diameters, making it more versatile. 2. The tube fixing mechanism can be driven to slide along the arc frame by the cooperation of the rail groove and the slider. The fixing position can be flexibly adjusted according to the actual direction of the drainage tube. The position can be finely adjusted without disassembling the device. The buckle connection of the fixing strap and the Velcro design of the tie can be quickly disassembled and assembled, simplifying the nursing operation process and reducing the workload of medical staff. 3. The head frame is initially adapted to the head circumference through the elastic connecting straps on the back of the two sets of head frames. The buckles and slots of the front fixing straps are used to achieve quick reinforcement. The Velcro on the bottom straps further assists in fixation. The triple fixation structure can adapt to the usage needs of patients with different head circumferences, effectively avoids the overall displacement of the device, and ensures the stability of the drainage tube position. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of a drainage tube fixation device for postoperative head care proposed in this invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall structure of a drainage tube fixation device for postoperative head care proposed in this invention. Figure 2 ; Figure 3 This is a schematic diagram of the tube fixation mechanism of a drainage tube fixation device for postoperative head care proposed in this invention; Figure 4 This is a top sectional view of the tube fixation mechanism of a drainage tube fixation device for postoperative head care proposed in this invention. Figure 5 for Figure 4 Enlarged view of a portion of point A in the middle.

[0013] Among them, 1. Head frame, 101. Elastic connecting belt, 102. Fixing belt, 1021. Slot, 1022. Buckle, 103. Arc frame, 104. Rail groove, 105. Slider, 106. Connecting block, 107. Tie, 1071. Velcro, 2. Tube body fixing mechanism, 21. Hugging assembly, 211. Clamp, 212. Elastic expansion strip, 213. Threaded collar, 214. Threaded rod, 215. Hose channel, 216. Extension block, 217. Push block, 22. Inflatable compression assembly, 221. Air cylinder, 222. Piston plate, 223. Spring, 224. Slot, 225. Air tube, 3. Breathable pad layer, 4. Drainage tube. Detailed Implementation

[0014] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0015] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The invention will be further described in detail below with reference to the accompanying drawings.

[0016] like Figures 1-5As shown, the present invention provides a drainage tube fixation device for postoperative head care, including a head frame 1. Two sets of head frames 1 are arranged opposite each other. Elastic connecting straps 101 are connected to the rear of both sets of head frames 1, and fixing straps 102 are connected to the front of both sets of head frames 1. One set of fixing straps 102 has a slot 1021 at its end, and the other set of fixing straps 102 has a buckle 1022 at its end. The buckle 1022 engages with the slot 1021. After the two sets of head frames 1 are positioned, the fixing straps 102 with buckles 1022 and the fixing straps 102 with slots 1021 are wrapped around the head, and the buckles 1022 are snapped into the slots 1021 to achieve front fixation. During disassembly, the fixing straps 102 can be separated by releasing the buckles 1022. Disassembly and assembly are convenient and quick. The two sets of head frames 1 are top-mounted. The head frame 1 is connected to an arc-shaped frame 103, which has a rail groove 104. A slider 105 is slidably arranged in the rail groove 104. A connecting block 106 is connected to the front side of the slider 105. A tube fixing mechanism 2 is provided on the connecting block 106. A strap 107 is connected to the bottom side of the head frame 1. A Velcro 1071 is provided at the end of the strap 107. The strap 107 on the bottom side of the head frame 1 is wrapped around the chin or neck. The tightness is adjusted and fixed by the Velcro 1071 at the end, which helps to enhance the overall stability of the head frame 1. A breathable pad 3 is provided on the inner wall of the head frame 1. The breathable pad 3 on the inner wall of the head frame 1 is in direct contact with the scalp, reducing the direct pressure of the hard shell of the head frame 1 on the scalp. At the same time, the breathable structure of the pad can promote air circulation and prevent the scalp from getting stuffy.

[0017] like Figures 1-3 As shown, the tube fixing mechanism 2 includes a circumferential assembly 21 and an inflatable compression assembly 22. The circumferential assembly 21 and the inflatable compression assembly 22 are connected by a transmission. The two sets of head frames 1 are placed on both sides of the head respectively. They are initially fixed by the rear elastic connecting strap 101 to the head circumference, and then further reinforced by the front fixing strap 102. The rail groove 104 of the top arc frame 103 allows the slider 105 to slide, which drives the connecting block 106 and the tube fixing mechanism 2 to adjust their positions. Finally, the drainage tube 4 is fixed by the cooperation of the circumferential assembly 21 and the inflatable compression assembly 22 of the tube fixing mechanism 2.

[0018] like Figures 3-5As shown, the circumferential assembly 21 includes a clamp 211, elastic expansion bars 212, a threaded collar 213, and a threaded rod 214. Two sets of clamps 211 are arranged in a relatively fitted manner, and the two sets of clamps 211 are connected by a hinge shaft. Multiple sets of elastic expansion bars 212 are arranged in a ring array on the inner side wall of the clamps 211, and each set of elastic expansion bars 212 is connected by a hose channel 215. Extension blocks 216 are provided on the side ends of the two sets of clamps 211 away from the hinge shaft. The threaded collar 213 is provided through the extension blocks 216. The threaded rod 214 is threaded through the threaded collar 213 and the extension blocks 216. A push block 21 is connected to the end of the threaded rod 214. 7. Place the drainage tube 4 between the two sets of hinged clamps 211, rotate the threaded rod 214, and the threaded rod 214 pushes the push block 217 through the threaded collar 213. At the same time, the elastic expansion strip 212 is connected to the inflation and compression assembly 22 through the hose channel 215. Subsequently, the inflation and compression assembly 22 is inflated to make the elastic expansion strip 212 fit the drainage tube 4. The two sets of clamps 211 are closed and tightened through the cooperation of the extension block 216, the threaded collar 213 and the threaded rod 214. Through the combination of the elastic expansion strip 212 and the ring structure, the drainage tube 4 can be firmly fixed and the damage to the drainage tube 4 can be avoided by hard clamping. It is also compatible with drainage tubes 4 of different diameters and has wide applicability.

[0019] like Figures 3-5 As shown, the inflatable compression assembly 22 includes an air cylinder 221, a piston plate 222, and a spring 223. The air cylinder 221 is fixedly connected to the side of the connecting block 106. A slot 224 is provided on one side wall of the air cylinder 221, allowing the push block 217 to pass through. An air pipe 225 is connected to the other side of the air cylinder 221, and the air pipe 225 is connected to the elastic expansion strip 212. The piston plate 222 is slidably disposed inside the air cylinder 221. The spring 223 is connected between the piston plate 222 and the inner side wall of the air cylinder 221. Rotating the threaded rod 214... When the pusher 217 passes through the slot 224 of the air cylinder 221, it pushes the piston plate 222 to stretch the spring 223. The gas in the air cylinder 221 enters the elastic expansion bar 212 through the air pipe 225, causing it to expand and tighten around the drainage tube 4. When the threaded rod 214 is rotated in the opposite direction, the spring 223 returns to its original position and pulls the piston plate 222. The gas flows back to the air cylinder 221, and the elastic expansion bar 212 contracts and loosens the drainage tube 4. The fixing force is adjusted by air pressure. The force is gentle and controllable, avoiding rigid pressure on the drainage tube 4. The operation is simple, and the tightness can be flexibly adjusted according to needs.

[0020] In practical use, place the two sets of head frames 1 opposite each other on both sides of the patient's head, ensuring that the breathable padding layer 3 inside the head frame 1 fits the scalp and prevents the padding layer from shifting. Use the elastic connecting strap 101 to naturally stretch and adapt according to the patient's head circumference, so that the head frame 1 initially fits the sides of the head and maintains the overall balance of the device. Wrap the two sets of fixing straps 102 around the front of the patient's head, and insert the buckle 1022 at the end of one set of fixing straps 102 into the slot 1021 at the end of the other set of fixing straps 102. Gently pull the fixing straps 102 to adjust the tightness, ensuring that the front of the head frame 1 is firmly fixed and does not compress the patient's face. Wrap the strap 107 around the patient's chin, adjust the tightness with the Velcro 1071, and after attaching and fixing, gently pull the strap 107 to check the stability, ensuring that the head frame 1 is not loose. Based on the exit position and direction of the drainage tube 4 from the patient's head, manually push the slider 105 within the rail groove 104 of the arc frame 103. This causes the slider 105 to slide along the rail groove 104, driving the connecting block 106 and the tube fixing mechanism 2. After adjusting the tube fixing mechanism 2 to a position that matches the direction of the drainage tube 4, stop sliding the slider 105. Ensure that the drainage tube 4 can be naturally inserted into the tube fixing mechanism 2 without significant pulling. Open the two sets of clamps 211 around the hinge axis and place the drainage tube 4 into the cavity between the two sets of clamps 211. Ensure that the wall of the drainage tube 4 is free of wrinkles and the lumen is unobstructed. Hold the end of the threaded rod 214 and rotate it. The threaded rod 214 passes through the threaded collar 2 on the extension block 216. 13. Proceed forward, driving the pusher block 217 at the end to pass through the slot 224 of the air cylinder 221, pushing the piston plate 222 inside the air cylinder 221 to stretch the spring 223. During the compression of the piston plate 222, the gas inside the air cylinder 221 enters the elastic expansion strip 212 on the inner wall of the clamp 211 through the air pipe 225. The elastic expansion strip 212 expands under the action of air pressure and gradually adheres to the wall of the drainage pipe 4. At the same time, during the advancement of the threaded rod 214, it drives the two sets of clamps 211 to gradually close around the hinge axis, further reducing the gap between the clamp 211 and the drainage pipe 4. Continue to rotate the threaded rod 214 until the elastic expansion strip 212 completely clamps the drainage pipe 4. At this time, stop rotating to complete the fixing of the drainage pipe 4. If the position of the drainage tube 4 needs to be adjusted during the nursing process, the slider 105 can be slightly pushed to slide along the rail groove 104 to fine-tune the position of the tube fixing mechanism 2. After adjustment, ensure that the drainage tube 4 is not pulled. Loosen the drainage tube 4 and rotate the threaded rod 214 in the opposite direction. The threaded rod 214 drives the push block 217 to move backward. The spring 223 in the air cylinder 221 returns to its original position and pulls the piston plate 222 back. The gas in the elastic expansion bar 212 flows back to the air cylinder 221 through the air tube 225. The elastic expansion bar 212 contracts. At this time, the clamp 211 can be opened around the hinge shaft to remove the drainage tube 4. First, unfasten the Velcro 1071 of the strap 107, then press the buckle 1022 to disengage from the slot 1021, loosen the front fixing strap 102, and finally separate the two sets of head frames 1 to the sides and remove the device. The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. A drainage tube fixation device for postoperative head care, comprising a head frame (1), wherein two sets of head frames (1) are arranged opposite each other, and elastic connecting straps (101) are connected to the rear side of the two sets of head frames (1), and fixing straps (102) are connected to the front side of the two sets of head frames (1), characterized in that: The top of the two sets of head frames (1) is connected to an arc frame (103). The arc frame (103) has a rail groove (104). A slider (105) is slidably arranged in the rail groove (104). A connecting block (106) is connected to the front side of the slider (105). A tube fixing mechanism (2) is provided on the connecting block (106). The tube fixing mechanism (2) includes a circumferential assembly (21) and an inflatable pressing assembly (22). The circumferential assembly (21) and the inflatable pressing assembly (22) are connected in a transmission manner.

2. The drainage tube fixation device for postoperative head care according to claim 1, characterized in that: The circumferential assembly (21) includes a clamp (211), an elastic expansion strip (212), a threaded collar (213), and a threaded rod (214). Two sets of clamps (211) are arranged in a relatively fitted manner, and the two sets of clamps (211) are connected by a hinge shaft. Multiple sets of elastic expansion strips (212) are arranged in a ring array on the inner side wall of the clamp (211), and a hose channel (215) is connected between each set of elastic expansion strips (212). An extension block (216) is provided on the side end of the two sets of clamps (211) away from the hinge shaft. The threaded collar (213) is provided through the extension block (216). The threaded rod (214) is threaded through the threaded collar (213) and the extension block (216). A push block (217) is connected to the end of the threaded rod (214).

3. The drainage tube fixation device for postoperative head care according to claim 2, characterized in that: The inflatable compression assembly (22) includes an air cylinder (221), a piston plate (222), and a spring (223). The air cylinder (221) is fixedly connected to the side of the connecting block (106). A slot (224) is provided on one side wall of the air cylinder (221), which allows the push block (217) to pass through. An air pipe (225) is connected to the other side of the air cylinder (221). The air pipe (225) is connected to the elastic expansion strip (212). The piston plate (222) is slidably disposed inside the air cylinder (221). The spring (223) is connected between the piston plate (222) and the inner side wall of the air cylinder (221).

4. The drainage tube fixation device for postoperative head care according to claim 1, characterized in that: One set of the fixing straps (102) has a slot (1021) at one end, and another set of the fixing straps (102) has a buckle (1022) at one end, and the buckle (1022) engages with the slot (1021).

5. The drainage tube fixation device for postoperative head care according to claim 1, characterized in that: The head frame (1) is connected to a strap (107) on the bottom side, and the end of the strap (107) is provided with a Velcro strap (1071).

6. The drainage tube fixation device for postoperative head care according to claim 1, characterized in that: The head frame (1) has an air-permeable pad layer (3) on its inner side wall.

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