Intelligent anti-infection and comfort optimization kit for bone traction

Abstract

The invention discloses a bone traction intelligent anti-infection and comfort optimization suite in the technical field of orthopedic nursing, and the suite comprises a controller, a traction bow, a pulley assembly, a counterweight assembly and two traction needles, the two ends of the traction bow are symmetrically provided with mounting seats, and the centers of the mounting seats are provided with placing channels for placing the traction needles; a pressing cavity and a ventilation cavity are symmetrically formed in the mounting base; electric control telescopic rods are fixedly connected into the pressing cavities, and the output ends of the electric control telescopic rods are fixedly connected with pressing discs. Air guide pipelines are arranged in the air exchange cavities, one ends of the air guide pipelines are fixedly connected to the pressing disc, air exchange holes communicating with the air exchange cavities are formed in the surfaces of the mounting bases, and switch assemblies are arranged in the mounting bases. The medical gauze and other dressings around a puncture point are stably pressed to isolate the outside, so that the pollution risk caused by liquid splashing is effectively reduced, and meanwhile, the dressings are prevented from loosening and shifting; the ventilation efficiency is changed according to the heating condition of the puncture point, self-adaptive cooling is achieved, and the infection probability of the puncture point is reduced.

Description

Technical Field

[0001] This invention relates to the field of orthopedic nursing technology, specifically to a smart infection prevention and comfort optimization kit for bone traction. Background Technology

[0002] Skeletal traction is a commonly used method in orthopedic treatment, which refers to applying continuous and stable traction force to the bones to achieve the purposes of treating fractures, correcting deformities, and relieving pain. Depending on the traction site and the bone, skeletal traction is mainly divided into the following categories: skull traction, olecranon traction, supracondylar traction of the femur, tibial tuberosity traction, calcaneal traction, and traction of other special sites (such as metacarpal traction).

[0003] Current calcaneal traction kits mainly consist of a traction pin (Kirschner wire or Stryker wire), a traction bow (e.g., Stryker traction bow), and a pulley system. The specifications of the traction bow and pulley system are usually determined by the diameter of the traction pin. When using existing devices, the traction pin needs to be fixed to the bone, requiring a puncture to create a puncture point. To alleviate pain and for disinfection, medical staff typically place medical gauze / sponge around the puncture point. In subsequent care, the skin at the puncture site needs daily disinfection, and observation for redness, swelling, or oozing is necessary to prevent needle tract infection. However, during routine care, the dressing is exposed to air. Improper postoperative care of the puncture point can easily lead to dressing contamination and water damage. For example, improper handling when the patient drinks water or uses the toilet in bed can cause these liquids to splash onto the dressing, resulting in contamination.

[0004] Therefore, this invention proposes a smart anti-infection and comfort optimization kit for bone traction to solve the above problems. Summary of the Invention

[0005] To address the aforementioned issues, this invention provides a smart bone traction infection prevention and comfort optimization kit. By firmly pressing down on medical gauze and other dressings around the puncture site, it isolates the external environment, effectively reducing the risk of contamination caused by liquid splashing, while also preventing the dressing from loosening or shifting. Furthermore, it adjusts the ventilation efficiency according to the heat level at the puncture site, adaptively cooling down and reducing the chance of infection at the puncture site.

[0006] To achieve the above objectives, the technical solution of the present invention is as follows: a bone traction intelligent infection prevention and comfort optimization kit, including a controller, a traction bow, a pulley assembly and two traction pins, one end of the traction bow is detachably connected to a counterweight assembly for pulling the traction bow to provide traction force, the pulley assembly is used to provide a rolling support point for the counterweight assembly, characterized in that, mounting seats are symmetrically arranged at both ends of the traction bow, the center of each mounting seat is opened with a placement channel for placing the traction pins, and the inside of each mounting seat is symmetrically opened with a pressing chamber and a ventilation chamber;

[0007] Each pressing chamber is fixedly connected to an electrically controlled telescopic rod that is electrically connected to the controller. The output end of the electrically controlled telescopic rod extends to the outside of the mounting base and is fixedly connected to a pressing plate. The output end of the electrically controlled telescopic rod is slidably engaged with the mounting base. The traction needles all pass through the pressing plate and are slidably engaged with the pressing plate.

[0008] Each ventilation chamber is equipped with an air guide pipe, one end of which extends to the outside of the mounting base and is fixedly connected to the pressing plate. The air guide pipe is slidably fitted with the mounting base. Each mounting base has an air vent that communicates with the ventilation chamber. Each mounting base is equipped with a switch assembly for controlling the opening / closing of the air vent according to the internal temperature of the ventilation chamber.

[0009] Basic Solution Principle: First, the traction needle is fixed to the bone through the placement channel in the center of the mounting base, completing the basic setup for bone traction. The controller, as the core control unit, sends commands to the electrically controlled telescopic rod. Upon receiving the signal, the rod extends and retracts, causing the connected pressure plate to move left and right. This applies appropriate pressure to the medical dressing around the puncture point, ensuring a tight fit and preventing displacement due to patient movement or external factors. Simultaneously, it isolates the dressing from external elements, effectively preventing liquid splashing and reducing the possibility of contamination.

[0010] Meanwhile, the switching component within the ventilation chamber monitors the internal temperature in real time. When the temperature rises, indicating potential stuffiness at the puncture site due to poor ventilation (inevitably caused by medication application and pressure), the switching component is triggered, opening the ventilation port. At this point, outside air can reach the puncture site surface through the ventilation port, flowing through the ventilation port, ventilation chamber, air delivery tube, and puncture site surface, carrying away heat and maintaining airflow in the area, thus improving patient comfort. When the temperature drops to a certain threshold, the switching component closes the ventilation port, preventing external dust, bacteria, and other contaminants from entering through the ventilation port, reducing the risk of infection at the puncture site. The pulley assembly and counterweight assembly work together to provide stable and continuous traction for the traction bow. The entire system works in concert to achieve intelligent infection prevention and comfort optimization during bone traction.

[0011] The above-mentioned solution offers the following advantages: 1. Traditional bone traction devices pose a significant risk of infection at the puncture site during postoperative care due to the susceptibility of dressings to contamination. This invention uses an electrically controlled telescopic rod to tightly press the pressure plate against the dressing around the puncture site, forming a physical protective barrier that effectively prevents external liquid splashes and dust intrusion, greatly reducing the possibility of contamination. Simultaneously, the switching component within the ventilation chamber intelligently controls the opening and closing of the ventilation holes based on temperature, maintaining airflow while precisely preventing the entry of bacteria and other contaminants, achieving dual protection. Compared to existing technologies, this solution significantly reduces the puncture site infection rate, decreases the risk of secondary treatment due to infection, shortens the patient's recovery period, alleviates patient suffering and financial burden, and also reduces the nursing difficulty and infection control pressure on medical staff, improving overall medical care efficiency and quality.

[0012] 2. This solution significantly improves patient comfort and nursing experience. During skeletal traction treatment, patients remain in a fixed position for extended periods, and the stuffy, poorly ventilated environment at the puncture site can cause intense discomfort. The intelligent ventilation system of this invention automatically adjusts according to temperature changes. When the temperature around the puncture site rises, the ventilation holes automatically open, allowing outside air to quickly circulate to the area through the air duct, promptly removing heat and maintaining dryness and breathability. This effectively alleviates negative emotions such as irritability and discomfort caused by stuffiness. Furthermore, the stable pressure of the pressure plate on the dressing reduces dressing displacement and friction irritation to the wound, further enhancing patient comfort. A positive nursing experience helps patients maintain a positive attitude, better cooperate with treatment, promote physical recovery, and also helps improve the doctor-patient relationship, increasing patient satisfaction with medical services.

[0013] Furthermore, the counterweight assembly includes a traction rope and a counterweight block. One end of the traction rope is fixedly connected to the traction bow, and the other end of the traction rope is fixedly connected to the counterweight block.

[0014] Beneficial effects: The counterweight assembly consisting of traction rope and counterweight is simple in structure and easy to install. The traction force can be flexibly adjusted by increasing or decreasing the number of counterweights to meet the bone traction treatment needs of different patients and ensure the accuracy and effectiveness of traction treatment.

[0015] Furthermore, the pulley assembly includes a pulley and a support frame, with the pulley rotatably connected to the support frame and the traction rope located in the groove of the pulley.

[0016] Beneficial effects: The pulley assembly, through the cooperation of the pulley and the support frame, transforms the sliding friction between the traction rope and the support point into the rotational friction of the pulley, greatly reducing traction resistance; the groove design prevents the traction rope from slipping off, ensuring that the traction force provided by the counterweight is stable and continuous, effectively improving the reliability and safety of bone traction treatment.

[0017] Furthermore, each mounting base has a fixing hole on its surface, and a fixing nut is threaded into each fixing hole. The traction pin is located within the movement trajectory of the fixing nut.

[0018] Beneficial effects: The traction needle can be pressed and fixed in the mounting base by the threaded engagement of the fixing hole and the fixing nut, which avoids damage to the puncture point or displacement of the dressing due to shaking during traction, improves the overall stability of the device, and ensures the safety and reliability of bone traction treatment.

[0019] Furthermore, several through holes are opened on the surface of the air duct near the air exchange chamber.

[0020] Beneficial effects: The through-hole design at the end of the air duct near the ventilation chamber significantly optimizes airflow efficiency and uniformity. Numerous through-holes expand the gas exchange area, allowing outside air to enter the ventilation chamber through the vents and then be evenly diffused around the puncture point via multi-hole distribution. This avoids excessive localized airflow or sudden temperature changes caused by a single airflow channel, improving breathability and comfort. Simultaneously, the dispersed airflow path slows down airflow speed, reducing the risk of dust and other particles being carried into the puncture point by high-speed airflow. While ensuring ventilation, this further enhances infection prevention performance, achieving a dynamic balance between breathability and protection, creating a healthier and more stable recovery environment for the puncture point.

[0021] Furthermore, each switch assembly includes a sliding cavity formed within the mounting base. The sliding cavities are all perpendicular to each other with the ventilation holes. A switch block is slidably fitted within each sliding cavity. A return spring is fixedly connected to one end of each switch block, and the other end of each return spring is fixedly connected to the side wall of the sliding cavity. Several metal rods are wedge-shaped fitted to the end of each switch block away from the return spring. The switch block divides the sliding cavity into a return cavity and a deformation cavity from left to right. The metal rods are all located within the deformation cavity and fixedly connected to the mounting base. The deformation cavity communicates with the ventilation cavity.

[0022] Beneficial Effects: Based on the principle of thermal expansion and contraction, the switching assembly allows the metal rod to expand and elongate when the temperature of the ventilation chamber rises. This expansion pushes the wedge-fitting switch block to overcome the resistance of the return spring and slide along the sliding cavity, thereby opening the ventilation port for automatic ventilation and heat dissipation. When the temperature decreases, the metal rod contracts, and the switch block returns to its original position under the action of the return spring, closing the ventilation port and preventing external contaminants from entering. This design eliminates the need for complex electronic components; the purely mechanical structure reduces the risk of failure, resulting in low maintenance costs and high stability. Simultaneously, it can respond to temperature changes in real time and with high sensitivity, precisely controlling the opening and closing of the ventilation port. While ensuring airflow at the puncture point and improving comfort, it effectively avoids the risk of infection, providing reliable protection and comfort for bone traction treatment, and significantly improving the practicality and safety of the kit.

[0023] Furthermore, all metal rods are made of nickel-titanium alloy.

[0024] Beneficial effects: Nickel-titanium alloy possesses excellent shape memory effect and superelasticity, with a stable and sensitive coefficient of thermal expansion, enabling precise response to temperature changes in the ventilation chamber. When the temperature rises, the nickel-titanium alloy rod rapidly extends, pushing the switch block to open the ventilation port; when the temperature drops, it quickly returns to its original shape, causing the switch block to close the ventilation port, ensuring precise and accurate control of the ventilation port's opening and closing. Furthermore, this alloy exhibits strong corrosion resistance, is not prone to rusting or aging in medical environments, and can operate stably for extended periods, reducing the risk of switch component failure due to material failure. This provides reliable protection for intelligent ventilation and infection prevention at the puncture point, extending the kit's lifespan and overall performance.

[0025] Furthermore, the pressing discs are all made of transparent rubber.

[0026] Beneficial effects: The transparent rubber pressure plate allows medical staff to clearly observe the skin condition at the puncture site, promptly detecting abnormalities such as redness, swelling, and exudation. It eliminates the need for frequent removal of the pressure plate, reducing disturbance to the dressing and the risk of puncture site exposure, thus lowering the chance of infection. Simultaneously, the soft and elastic texture of transparent rubber applies stable pressure to the dressing, ensuring a tight fit to the puncture site, while avoiding pressure sores and other damage to the patient's skin caused by overly hard materials, improving patient comfort. Furthermore, the excellent abrasion resistance and sealing properties of transparent rubber prevent the infiltration of external contaminants, further enhancing infection prevention and providing safe, comfortable, and easily observable conditions for bone traction treatment.

[0027] Furthermore, pressure sensors electrically connected to the controller are installed on the sides of the pressing plates that are close to each other.

[0028] Beneficial Effects: The pressure plate, equipped with a built-in pressure sensor, enables intelligent monitoring and precise control of pressure at the puncture point. When the pressure sensor detects that the pressure value of the pressure plate on the dressing deviates from the preset range, it promptly sends a signal to the controller. The controller automatically adjusts the extension and retraction of the electronically controlled telescopic rod, dynamically adjusting the pressure to ensure that it is always maintained within the optimal range that secures the dressing without damaging the skin. This intelligent pressure control function avoids the problems of excessive pressure leading to local blood circulation disorders and skin necrosis that may occur with traditional manual adjustment, while also preventing dressing displacement and protective failure due to insufficient pressure, significantly improving the safety and effectiveness of nursing care. Simultaneously, the real-time collection and analysis of pressure data provides medical staff with objective reference indicators, assisting in the development of personalized nursing plans and optimizing the effects of skeletal traction treatment.

[0029] Furthermore, positioning nuts are provided on the support frame.

[0030] Beneficial effects: The positioning nut can firmly fix the support frame to the hospital bed, preventing the pulley assembly from shifting or shaking during traction, and ensuring stable transmission of traction force; at the same time, it allows medical staff to quickly disassemble and adjust the position according to actual needs, improving operational flexibility and treatment safety.

[0031] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0032] Figure 1 This is an overall isometric view of an embodiment of the bone traction intelligent infection prevention and comfort optimization kit of the present invention;

[0033] Figure 2 This is an enlarged view of part A of an embodiment of the bone traction intelligent infection prevention and comfort optimization kit of the present invention;

[0034] Figure 3 This is a partial sectional view of part A of an embodiment of the bone traction intelligent infection prevention and comfort optimization kit of the present invention;

[0035] Figure 4 This is an isometric view of the adjustment and rotation components of an embodiment of the bone traction intelligent infection prevention and comfort optimization kit of the present invention;

[0036] Figure 5 This is an enlarged view of part B of an embodiment of the bone traction intelligent infection prevention and comfort optimization kit of the present invention.

[0037] The reference numerals in the accompanying drawings of the instruction manual include: 1. Counterweight; 2. Traction rope; 3. Support frame; 4. Pulley; 5. Traction bow; 6. Mounting base; 601. Ventilation chamber; 602. Air duct; 603. Pressing chamber; 604. Electrically controlled telescopic rod; 7. Pressing plate; 8. Traction needle; 9. Fixing nut; 10. Pressure sensor; 11. Metal rod; 12. Return spring; 13. Sliding chamber; 14. Ventilation hole; 15. Switch block. Detailed Implementation

[0038] 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.

[0039] 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.

[0040] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0041] The following detailed description illustrates the specific implementation method:

[0042] Example 1:

[0043] As attached Figure 1 and Figure 2 As shown, the intelligent infection prevention and comfort optimization kit for calcaneal traction includes: a controller, a traction bow 5, a traction rope 2, a counterweight 1, a pulley 4, a support frame 3, and two traction pins 8. One end of the traction rope 2 is tied to the traction bow 5, and the other end is tied to the counterweight 1. The pulley 4 is rotatably connected to the support frame 3, and the traction rope 2 is located in the groove of the pulley 4. The support frame 3 is equipped with a positioning nut to secure it to the bed. The traction bow 5 has symmetrical mounting seats 6 at both ends, each with a central channel for placing the traction pins 8. Each mounting seat 6 has a fixing hole on its surface, and a fixing nut 9 is threaded into each hole. The traction pins 8 are all located within the movement trajectory of the fixing nut 9. Based on the above, the basic steps of existing calcaneal traction techniques are as follows:

[0044] Preoperative preparation: Conduct a comprehensive assessment of the patient to determine suitability for calcaneal traction therapy. Prepare the traction kit and related instruments, including 8 traction pins (Kirschner wires or Stryker wires), 5 traction bows (such as 5 Stryker traction bows), 4 pulleys, 2 traction ropes, and 1 counterweight, and strictly sterilize them. Simultaneously, prepare anesthetic drugs for pain relief, sterilization supplies, and postoperative dressings such as medical gauze and medical sponges.

[0045] Puncture procedure: Local anesthesia is administered to the patient's calcaneus. After disinfection and draping, a suitable traction needle 8 is used to penetrate the calcaneus through surgical operation. The position of the traction needle 8 is confirmed to be appropriate and securely fixed, thus completing the setting of the traction point on the bone.

[0046] Traction Installation: Connect the calcaneus with traction pins 8 to the traction bow 5, and fix the two traction pins 8 to their respective mounting seats 6 using fixing nuts 9. Fix one end of the traction rope 2 to the traction bow 5, and the other end passes over the pulley 4 and connects to the counterweight 1. Apply appropriate traction force by adjusting the weight of the counterweight 1. The pulley 4 is mounted on the support frame 3, and the support frame 3 is used to fix the pulley 4 system in a suitable position, generally next to the bedside, to ensure stability during the traction process.

[0047] Postoperative care: Place medical gauze or medical sponge around the puncture site to relieve pain and provide initial protection. Disinfect the skin at the puncture site daily and closely observe for any abnormalities such as redness, swelling, or oozing to prevent needle tract infection. Simultaneously, monitor the patient's response and changes in condition during traction, adjusting the traction weight and direction as needed.

[0048] In the postoperative care of existing traction devices, the medical gauze or medical sponge dressings around the puncture point are always exposed to the outside for a long time. When patients drink water or go to the toilet in bed, improper operation can cause these liquids to splash onto the dressings and cause contamination. In addition, during these movements, the feet will also produce corresponding linkage movements, causing the dressings to shift.

[0049] Therefore, the special feature of this solution is that it combines... Figure 3 As shown, each of the mounting bases 6 has a symmetrically arranged pressing chamber 603 and a ventilation chamber 601. Each pressing chamber 603 is fixedly connected to an electrically controlled telescopic rod 604 that is electrically connected to the controller. The output end of the electrically controlled telescopic rod 604 extends to the outside of the mounting base 6 and is fixedly connected to a pressing plate 7. The output end of the electrically controlled telescopic rod 604 is slidably engaged with the mounting base 6. The traction needles 8 all penetrate the pressing plate 7 and are slidably engaged with the pressing plate 7.

[0050] Furthermore, both conventional application of medication and the application of pressure to the puncture site using the pressure plate 7 in this protocol can cause a localized increase in temperature around the puncture site. Excessive heat can easily lead to inflammation of the puncture site (wound). Additionally, if the dressing is already contaminated as mentioned above, the increased temperature will further increase the probability of infection and inflammation at the puncture site. Therefore, this protocol combines... Figure 3 and Figure 4 As shown, each ventilation chamber 601 is provided with an air guide pipe 602. One end of each air guide pipe 602 extends to the outside of the mounting base 6 and is fixedly connected to the pressing plate 7. Each air guide pipe 602 is slidably engaged with the mounting base 6. Each surface of the mounting base 6 is provided with a ventilation hole 14 communicating with the ventilation chamber 601. Each mounting base 6 is provided with a switch assembly for controlling the opening / closing of the ventilation hole 14 according to the internal temperature of the ventilation chamber 601.

[0051] Specifically, in combination Figure 3 , Figure 4 and Figure 5 As shown, each switch assembly includes a sliding cavity 13 formed within the mounting base 6. The sliding cavities 13 are perpendicular to each other with the ventilation holes 14. A switch block 15 is slidably fitted within each sliding cavity 13. A return spring 12 is fixedly connected to one end of each switch block 15, and the other end of each return spring 12 is fixedly connected to the side wall of the sliding cavity 13. Several metal rods 11, all made of nickel-titanium alloy, are wedge-shaped fitted to the end of each switch block 15 away from the return spring 12. The switch block 15 divides the sliding cavity 13 from left to right into a return cavity and a deformation cavity (e.g., ...). Figure 4 As shown, the metal rods 11 are all located inside the deformation cavity and are fixedly connected to the mounting base 6. The deformation cavity is connected to the ventilation cavity 601.

[0052] Pressure sensors 10, which are electrically connected to the controller, are installed on one side of each pressing plate 7 that are close to each other.

[0053] The specific implementation process is as follows: The traction needle 8 is fixed to the calcaneus via the placement channel in the center of the mounting base 6. The position of the traction bow 5 is adjusted so that the pressure plate 7 is aligned with the dressing at the puncture point. The controller sets the pressure threshold (e.g., 15-20N) and temperature control range (e.g., 32-40℃). Then, the electrically controlled telescopic rod 604 is activated, pushing the pressure plate 7 to press the dressing with an initial pressure value (e.g., 18N). The pressure sensor 10 provides real-time feedback data to the controller. When patient movement causes pressure fluctuations exceeding ±2N, the controller automatically adjusts the telescopic rod stroke to maintain constant pressure. For example, if the pressure increases to 22N during turning over, the system automatically retracts the telescopic rod by 0.5mm, restoring it to 18N.

[0054] When the puncture site heats up to 35°C due to medication or pressure, the metal rod 11 (nickel-titanium alloy) in the ventilation chamber 601 expands by about 0.3mm due to heat, pushing the switch block 15 to move to the left against the resistance of the return spring 12. After the switch block 15 moves 1mm to the right, it opens the ventilation port 14. Outside air flows through the ventilation port 14 → ventilation chamber 601 → air guide pipe 602 → near the puncture site, and is blown evenly towards the puncture site at a flow rate of 0.1m / s, carrying away the heat. When the temperature drops to 32°C, the metal rod 11 contracts by 0.3mm, and the return spring 12 pushes the switch block 15 to the left to close the ventilation port 14, blocking the path of contaminants. This applies appropriate pressure to the medical dressing around the puncture site, ensuring it fits tightly around the puncture site while preventing the dressing from shifting due to patient movement or external factors. It also isolates the dressing from the outside world, effectively preventing liquid splashing and reducing the possibility of contamination. This design addresses the issue of localized heating around the puncture site caused by reduced airflow during compression hemostasis and isolation of contaminants. Furthermore, the closed-loop control of the pressure sensor 10 and the electrically controlled telescopic rod 604 keeps dressing pressure fluctuations within a constant range, avoiding the intermittent compression or loosening caused by limb movement inherent in traditional dressings. Constant pressure reduces repeated friction on the tissues around the puncture site, decreasing micro-tears and the release of inflammatory factors around the needle tract, potentially reducing the risk of osteolysis. Additionally, continuous pressure after the pressure plate 7 adheres to the body surface creates a negative pressure between the pressure plate 7, the skin, and the ventilation chamber 601. When the switch block 15 is opened, the negative pressure in the ventilation chamber 601 rapidly draws in outside air, facilitating hot and cold air exchange, further improving gas flow efficiency and increasing instantaneous heat dissipation for rapid cooling.

[0055] Example 2:

[0056] The difference from the above embodiments is that, as Figure 4As shown, the surface of the air duct 602 near the ventilation chamber 601 has several through holes. These numerous holes increase the gas exchange area, allowing outside air entering the ventilation chamber 601 to be evenly dispersed through the holes and delivered to the area around the puncture point via the air duct 602. This avoids excessive local wind force or sudden temperature changes caused by a single airflow channel, improving patient ventilation comfort. Simultaneously, the dispersed airflow path reduces gas velocity, decreasing the risk of dust, bacteria, and other contaminants being carried into the puncture point by the airflow, further enhancing infection prevention while ensuring effective ventilation.

[0057] Example 3:

[0058] Unlike the embodiments described above, the pressure plates 7 are all made of transparent rubber. The transparent rubber material allows medical staff to clearly observe the skin condition at the puncture site through the pressure plates 7, enabling timely detection of abnormalities such as redness, swelling, and exudation. This eliminates the need for frequent removal of the pressure plates 7, reducing disturbance to the dressing and the risk of puncture site exposure, thus lowering the chance of infection. Simultaneously, the soft and elastic texture of the transparent rubber provides stable pressure to the dressing, ensuring a tight fit to the puncture site, while avoiding pressure sores and other damage to the patient's skin caused by overly hard materials, thereby improving patient comfort.

[0059] Based on the above embodiments, experimental comparisons were conducted:

[0060] I. Subjects: Sixty patients who received calcaneal traction treatment in the orthopedics department of a tertiary hospital were selected as subjects. Inclusion criteria: ① diagnosed with calcaneal traction treatment; ② age 18-65 years; ③ no severe cardiovascular or cerebrovascular diseases or immune dysfunction. Patients were randomly divided into an experimental group and a control group, with 30 patients in each group. The experimental group consisted of 18 males and 12 females, with a mean age of (45.2±8.5) years; the control group consisted of 17 males and 13 females, with a mean age of (46.3±7.8) years. There were no statistically significant differences between the two groups in terms of gender, age, and disease severity (P>0.05), making them comparable.

[0061] II. Experimental Procedure:

[0062] (I) Preoperative preparation: A comprehensive assessment was conducted on all patients to confirm their eligibility for calcaneal traction treatment, and the necessary instruments for the experiment were prepared. All instruments were strictly sterilized, and anesthetic drugs, disinfectants, and other items required for postoperative care were prepared.

[0063] (II) Puncture procedure: Local anesthesia was administered to the calcaneal area of ​​both groups of patients. After disinfection and draping, traction needles (Kirschner wires) of the same specification were used to penetrate the calcaneus. The position of the traction needle was determined to be appropriate and the needle was fixed firmly to complete the setting of traction points on the bone.

[0064] (III) Traction Installation

[0065] Experimental Group: The calcaneus equipped with traction pins was connected to the traction bow of the intelligent kit, and the two traction pins were fixed to their respective mounting bases using fixing nuts. One end of the traction rope was fixed to the traction bow, and the other end was passed over a pulley and connected to a counterweight. The appropriate traction force was applied by adjusting the weight of the counterweight. The pulley system was fixed to the side of the bed using a support frame. The position of the traction bow was adjusted so that the compression plate was aligned with the dressing at the puncture point. The compression pressure threshold (15-20N) and temperature control range (32-40℃) were set through the controller. The electrically controlled telescopic rod was activated so that the compression plate pressed the dressing with the initial pressure value (18N).

[0066] Control group: The calcaneus with traction pins was connected to a traditional traction bow, the traction rope and counterweight were fixed in the traditional way, and conventional medical gauze or medical sponge was placed around the puncture point. No pressure plate or ventilation system was required.

[0067] III. Experimental Data:

[0068] Table 1 - Comparison of Experimental Parameters

[0069]

[0070]

[0071] Table 1 shows that the infection rate in the experimental group was 10.0%, significantly lower than the 26.7% in the control group (P<0.05). This indicates that the bone traction intelligent infection prevention and comfort optimization kit effectively reduces the contamination of the puncture site by external pollutants through the stable fixation of the dressing by the pressure plate and the temperature control and ventilation functions of the ventilation system, thus lowering the risk of infection. The number of times the dressing was contaminated in the experimental group (1.2±0.5 times / case) was significantly less than that in the control group (3.5±1.2 times / case) (P<0.05), and the average temperature at the puncture site (36.2±1.5℃) was lower than that in the control group (38.5±2.0℃) (P<0.05). This indicates that the pressure plate of the kit can effectively prevent the dressing from shifting during patient movement, while the ventilation system maintains a suitable temperature around the puncture site by automatically adjusting the opening and closing of the ventilation holes, avoiding the adverse effects of excessively high temperatures on the puncture site. The comfort score of the experimental group was (8.5±1.0) points, which was higher than that of the control group (6.2±1.5) points (P<0.05). The transparent rubber pressure plate not only makes it easier for medical staff to observe the puncture site, reducing disturbance to the dressing and the risk of puncture site exposure, but its soft and elastic material also avoids causing pressure sores and other damage to the patient's skin, thus improving the patient's comfort during the traction process.

[0072] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A bone traction intelligent infection prevention and comfort optimization kit, comprising a controller, a traction bow (5), a pulley (4) assembly, and two traction pins (8), wherein one end of the traction bow (5) is detachably connected to a counterweight assembly for providing traction force by pulling the traction bow (5), and the pulley (4) assembly is used to provide a rolling support point for the counterweight assembly, characterized in that, The traction bow (5) is symmetrically provided with mounting bases (6) at both ends. Each mounting base (6) has a placement channel for placing the traction needle (8) in the center. Each mounting base (6) has a pressing chamber (603) and a ventilation chamber (601) symmetrically provided inside. Each pressing chamber (603) is fixedly connected to an electrically controlled telescopic rod (604) that is electrically connected to the controller. The output end of the electrically controlled telescopic rod (604) extends to the outside of the mounting base (6) and is fixedly connected to a pressing plate (7). The output end of the electrically controlled telescopic rod (604) is slidably engaged with the mounting base (6). The traction needles (8) all penetrate the pressing plate (7) and are slidably engaged with the pressing plate (7). Each ventilation chamber (601) is provided with an air guide pipe (602). One end of each air guide pipe (602) extends to the outside of the mounting base (6) and is fixedly connected to the pressing plate (7). Each air guide pipe (602) is slidably fitted with the mounting base (6). Each mounting base (6) has an air exchange hole (14) communicating with the ventilation chamber (601) on its surface. Each mounting base (6) is provided with a switch assembly for controlling the opening / closing of the air exchange hole (14) according to the internal temperature of the ventilation chamber (601).

2. The bone traction intelligent infection prevention and comfort optimization kit according to claim 1, characterized in that: The counterweight assembly includes a traction rope (2) and a counterweight block (1). One end of the traction rope (2) is fixedly connected to the traction bow (5), and the other end of the traction rope (2) is fixedly connected to the counterweight block (1).

3. The bone traction intelligent infection prevention and comfort optimization kit according to claim 2, characterized in that: The pulley (4) assembly includes a pulley (4) and a support frame (3). The pulley (4) is rotatably connected to the support frame (3), and the traction rope (2) is located in the groove of the pulley (4).

4. The bone traction intelligent infection prevention and comfort optimization kit according to claim 3, characterized in that: The mounting base (6) has fixing holes on its surface, and fixing nuts (9) are threaded into the fixing holes. The traction pins (8) are all located within the movement trajectory of the fixing nuts (9).

5. The bone traction intelligent infection prevention and comfort optimization kit according to claim 4, characterized in that: Several through holes are opened on the surface of the air duct (602) near the air exchange chamber (601).

6. The bone traction intelligent infection prevention and comfort optimization kit according to claim 5, characterized in that: Each switch assembly includes a sliding cavity (13) opened in the mounting base (6). The sliding cavities (13) are all perpendicular to each other with the ventilation holes (14). Each sliding cavity (13) has a switch block (15) slidably fitted inside. One end of each switch block (15) is fixedly connected to a reset spring (12), and the other end of each reset spring (12) is fixedly connected to the side wall of the sliding cavity (13). The end of each switch block (15) away from the reset spring (12) has several metal rods (11) wedge-fitted. The switch block (15) divides the sliding cavity (13) into a reset cavity and a deformation cavity from left to right. The metal rods (11) are all located in the deformation cavity and fixedly connected to the mounting base (6). The deformation cavity is connected to the ventilation cavity (601).

7. The bone traction intelligent infection prevention and comfort optimization kit according to claim 6, characterized in that: The metal rods (11) are all made of nickel-titanium alloy.

8. The bone traction intelligent infection prevention and comfort optimization kit according to claim 7, characterized in that: The pressing plates (7) are all made of transparent rubber.

9. The bone traction intelligent infection prevention and comfort optimization kit according to claim 8, characterized in that: Pressure sensors (10) that are electrically connected to the controller are installed on one side of each pressing plate (7) close to each other.

10. The bone traction intelligent infection prevention and comfort optimization kit according to claim 9, characterized in that: The support frame (3) is equipped with a positioning nut.

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