Lower limb tractor for patient

Abstract

The lower limb tractor comprises a tractor body, the tractor body comprises supporting belts, the supporting belts comprise a thigh supporting belt and a shank supporting belt, a connecting mechanism is arranged on the front face of each supporting belt, distance adjusting mechanisms are arranged on the two sides of each supporting belt, and each connecting mechanism comprises a connecting block fixedly connected to the front face of the corresponding supporting belt; a through band opening is formed in the surface of the connecting block in a penetrating mode, the thigh supporting band and the shank supporting band are laid on the thigh and the shank of a patient through the connecting mechanism respectively, the two ends of the supporting bands are bonded and fixed through the hook faces and the loop faces of the hook-and-loop fasteners, and after wearing is completed, the limiting binding band at the right end of the supporting band is inserted into the through band opening of the connecting block. The pressing plate is pushed to abut against the surface of the limiting strap under the action of the spring, so that the limiting teeth on the surface of the pressing plate are inserted into the rack grooves in the surface of the limiting strap. The tractor has the effect that the tractor body prevents the supporting belt from collapsing.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of limb traction devices, in particular to a lower limb traction device for patients. BACKGROUND

[0002] In clinical practice, a lower limb traction device is an auxiliary device commonly used in orthopedic treatment, and is mainly used for fracture reduction, joint dislocation correction and postoperative rehabilitation, etc. Especially in the treatment of lower limb fractures, the traction means can effectively avoid displacement of the fracture site and help the fracture to be in position and heal.

[0003] At present, a commonly used lower limb traction device comprises a thigh support, a lower leg support, a support rod, a fixed device traction lock, a damping wheel, an adhesive tape and the like. The support rod protrudes from both sides of the lower end of the thigh support, and the inner side of the thigh support is fixed with a traction belt. The S-shaped buckle on the upper end of the lower leg support is staggered and inserted with the traction belt, so that the traction belt is in an S shape and is pulled out from the lower end of the S-shaped buckle. The end of the traction belt is fixed with a force measuring device, and the lower limb traction device is formed by the electric heating treatment.

[0004] According to the related technology in the above, the inventors believe that the following defects exist: the magic tape adhesive tape is used to fix the opening of the leg support. After the magic tape adhesive tape is used for a long time, the adhesion is poor, and the leg support is broken, causing the patient's lower limbs to fall from the leg support. CONTENT OF THE UTILITY MODEL

[0005] The lower limb traction device for patients provided by the application adopts the following technical scheme:

[0006] The lower limb traction device for patients comprises a traction device body, the traction device body comprises a support belt, the support belt comprises a thigh support belt and a lower leg support belt, the front surface of the support belt is provided with a connecting mechanism, and the two sides of the support belt are provided with spacing adjustment mechanisms.

[0007] The connecting mechanism comprises a connecting block fixedly connected to the front surface of the support belt, a through belt opening is formed through the surface of the connecting block, a limiting belt extending to the inside of the through belt opening is fixedly connected to the right end of the support belt, an installation groove is arranged on the inner front wall of the through belt opening, a pressing plate is arranged in the installation groove, a limiting tooth is arranged on the back surface of the pressing plate, a gear slot matched with the limiting tooth is arranged on the side adjacent to the pressing plate of the limiting belt, a sliding opening is formed through the front surface of the connecting block and communicates with the inside of the installation groove, an operating rod is slidingly connected to the inner wall of the sliding opening and fixedly connected to the front surface of the pressing plate, a spring is sleeved on the surface of the operating rod, and the two ends of the spring are fixedly connected to the inner front wall of the installation groove and the front surface of the pressing plate, respectively.

[0008] By adopting the technical scheme, the lower limbs of the patient are stably supported through the leg supporting belt, the thigh supporting belt and the calf supporting belt, displacement during traction is avoided, the connecting mechanism effectively enhances the fixation of the body traction device, more stable support can be provided for the fracture or reduction process, the lower limbs are ensured to be in the correct position during traction, the spacing adjusting mechanism can flexibly adjust the tightness and wrapping effect of the supporting belt according to the size of the patient's legs, different patients with different body shapes can be adapted, the side adjacent to the pressing plate of the limiting belt is provided with a rack groove matched with the limiting teeth on the pressing plate, the position of the limiting belt is adjusted through the operating rod in the sliding opening, so that the tightness of the traction device is adjusted, and the cooperation of the spring and the rack groove enables the limiting belt to be stable after the tightness is adjusted and is not easy to loosen, and the operating rod is arranged in the sliding opening, so that medical staff or patients can operate conveniently.

[0009] Preferably, the front surface of the left end of the supporting belt is fixedly connected with a Velcro surface, and the back surface of the right end of the supporting belt is fixedly connected with a Velcro hook surface.

[0010] By adopting the technical scheme, the Velcro surface and the Velcro hook surface can achieve the effect of pre-fixing the two ends of the supporting belt.

[0011] Preferably, the two side surfaces of the pressing plate are provided with guide sliding blocks, and the two inner walls of the mounting groove are provided with limiting sliding grooves for sliding of the guide sliding blocks.

[0012] By adopting the technical scheme, under the guidance of the guide sliding blocks, the pressing plate can move up and down in the mounting groove in a directional manner.

[0013] Preferably, the spacing adjusting mechanism comprises two groups of mounting seats, the two groups of mounting seats are fixedly connected to the two side surfaces of the thigh supporting belt and the calf supporting belt respectively, the lower surfaces of the upper two mounting seats are fixedly connected with outer side rods, the opposite surfaces of the two outer side rods are provided with sliding grooves, the upper surfaces of the lower two mounting seats are fixedly connected with inner side rods which are slidingly connected with the sliding grooves, the surface of the outer side rod is provided with a sliding bar opening penetrating into the sliding groove, the surface of the inner side rod is fixedly connected with a screw rod which is slidingly connected with the inner wall of the sliding bar opening, and the surface of the screw rod is screwed with a fixed nut.

[0014] By adopting the technical scheme, the outer side rods and the inner side rods can adjust the spacing of the thigh supporting belt and the calf supporting belt while connecting the thigh supporting belt and the calf supporting belt.

[0015] Preferably, the front surface and the back surface of the inner side rod are provided with sliding assisting blocks, and the inner front wall and the inner rear wall of the sliding groove are provided with sliding assisting grooves for sliding of the sliding assisting blocks.

[0016] By adopting the technical scheme, the sliding assisting blocks enable the inner side rods to move in the sliding groove in a more smooth and directional manner.

[0017] Preferably, the inner ring surface of the support strap is provided with an electric heating blanket.

[0018] By adopting the above technical solution, electric blankets can heat and keep warm the patient's lower limbs.

[0019] Preferably, the support strap is made of flexible cotton material, and the limiting strap is made of tough PEC plastic material.

[0020] By adopting the above technical solutions, the combined application of flexible cotton material and tough PEC plastic material has significantly improved the comfort, fixation, durability and safety of the traction device, making it suitable for the long-term traction needs of patients during the reduction and rehabilitation of lower limb fractures.

[0021] Preferably, both the outer and inner rods are made of light steel.

[0022] By adopting the above technical solution, the outer and inner rods are made of lightweight steel, providing high-strength support, reducing the weight of the device, enhancing durability and safety, and ensuring structural stability. This makes the lower limb traction device more suitable for long-term, safe, and stable traction needs.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. The thigh support and calf support of the traction device body are respectively laid on the patient's thigh and calf, and are fixed by the hook and loop sides of the Velcro at both ends of the support. After wearing, the limiting strap at the right end of the support is inserted into the through opening of the connecting block. Under the action of the spring, the pressure plate is pushed against the surface of the limiting strap, so that the limiting teeth on the surface of the pressure plate are inserted into the toothed groove on the surface of the limiting strap to fix and limit it, further improving the firmness of the support after bonding and wearing, and avoiding the possibility of the support breaking.

[0025] 2. When adjusting the spacing of the support straps according to the length of the patient's legs, loosen the fixing nut on the surface of the screw. Without the restriction of the fixing nut, pull the inner rod to move inside the sliding groove of the outer rod. This allows the spacing between the thigh support strap and the calf support strap to be adjusted, improving the practicality of the traction device. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of a lower limb traction device for patients according to an embodiment of this application;

[0027] Figure 2 This is a top-section schematic diagram of the thigh support structure of the lower limb traction device for patients according to an embodiment of this application;

[0028] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0029] Figure 4 A schematic diagram of a front view of a lower limb traction device for a patient according to an embodiment of the present application;

[0030] Figure 5 A schematic diagram of a lateral view of a lower limb traction device for a patient according to an embodiment of the present application.

[0031] The reference signs are as follows: 1, a support belt; 101, a thigh support belt; 102, a calf support belt; 2, a connecting mechanism; 201, a connecting block; 202, a limiting strap; 203, a pressing plate; 204, a limiting tooth; 205, a rack groove; 206, an operating rod; 207, a spring; 208, a guide sliding block; 3, a spacing adjustment mechanism; 301, a mounting seat; 302, an outer lateral rod; 303, an inner lateral rod; 304, a screw rod; 305, a fixing nut; 306, a sliding assisting block; 4, a Velcro rough surface; 5, a Velcro hook surface; 6, an electric blanket; 10, a traction device body. DETAILED DESCRIPTION

[0032] The following will be described in detail with reference to the accompanying drawings Figures 1-5 The present application will be further described in detail.

[0033] The present application discloses a lower limb traction device for a patient. Referring to Figure 1 The traction device body 10 includes a support belt 1, which includes a thigh support belt 101 and a calf support belt 102. The front surface of the support belt 1 is provided with a connecting mechanism 2, and the two sides of the support belt 1 are provided with a spacing adjustment mechanism 3. The support belt 1 supports and fixes the thigh and calf parts respectively, so that the lower limbs are fully supported, avoiding slipping or deviation during traction, and providing a stable support basis for fracture or correction treatment. The spacing adjustment mechanism 3 on both sides of the support belt 1 allows medical staff to flexibly adjust the width and wrapping degree of the support belt according to the size and needs of the patient's lower limbs, improving the application range and comfort of the traction device. The connecting mechanism 2 facilitates quick fixing and loosening, and is convenient for adjusting the tightness and fixed state of the traction device during operation, which has significant advantages in emergency care or frequent adjustment. The thigh support belt 101 and the calf support belt 102 can evenly distribute the traction force to each part of the lower limbs, avoiding discomfort caused by excessive local pressure, improving the comfort of the patient during traction, and reducing the risk of secondary injury.

[0034] Referring to Figure 3The connecting mechanism 2 comprises a connecting block 201 fixedly connected to the front of the supporting belt 1, a through belt opening is formed through the surface of the connecting block 201, a limiting belt 202 extending into the through belt opening is fixedly connected to the right end of the supporting belt 1, an installation groove is formed in the inner front wall of the through belt opening, a pressing plate 203 is arranged in the installation groove, a limiting tooth 204 is arranged on the back surface of the pressing plate 203, a rack groove 205 matched with the limiting tooth 204 is formed in the side adjacent to the pressing plate 203 of the limiting belt 202, the meshing structure of the limiting tooth 204 and the rack groove 205 enables the pressing plate 203 to be automatically locked when adjusting the limiting belt 202, preventing the supporting belt from loosening or slipping, a sliding opening communicating with the installation groove is formed in the front surface of the connecting block 201, an operating rod 206 fixedly connected to the front surface of the pressing plate 203 is slidingly connected to the inner wall of the sliding opening, a spring 207 is sleeved on the surface of the operating rod 206, and the two ends of the spring 207 are fixedly connected to the inner front wall of the installation groove and the front surface of the pressing plate 203 respectively. The operating rod 206 is slidingly connected to the connecting block 201 through the sliding opening, and the elasticity of the spring 207 is matched, so that medical staff can adjust the tightness of the supporting belt 1 by simply operating the rod, the limiting belt 202 is matched with the pressing plate 203, the precise meshing of the limiting tooth 204 and the rack groove 205 better controls the application of traction force, the traction force is uniformly distributed in the range of the supporting belt, and the influence of uneven pressure on the patient is reduced. When it is necessary to loosen the limiting belt 202, the limiting tooth 204 can be separated from the rack groove 205 by pressing the operating rod 206, so that the limiting belt 202 is quickly loosened. The operating rod 206 and the spring 207 also ensure that the locking and loosening operations of the limiting belt are only performed when the medical staff intentionally operates, thereby avoiding the risk of accidental loosening.

[0035] The supporting belt 1 is made of flexible cotton material, the limiting belt 202 is made of tough PEC plastic material, and the outer rod 302 and the inner rod 303 are made of light steel material, so that the comfort, applicability and stability of the traction device are improved, and the lightness and durability are also considered, thereby providing safe, reliable and comfortable effects.

[0036] Referring to Figure 2 and Figure 3 , the front surface of the left end of the supporting belt 1 is fixedly connected with a Velcro 4, and the back surface of the right end of the supporting belt 1 is fixedly connected with a Velcro 5, the two ends of the supporting belt 1 are adhered by the Velcro 5 and the Velcro 4 respectively, and the Velcro 4 and the Velcro 5 are matched and adhered, so that the two ends of the supporting belt 1 are pre-fixed.

[0037] Referring to Figure 2 and Figure 3 , the two side surfaces of the pressing plate 203 are provided with guide sliding blocks 208, and the two inner walls of the installation groove are provided with limiting sliding grooves for sliding of the guide sliding blocks 208, and under the guidance of the guide sliding blocks 208, the pressing plate 203 can move up and down in the installation groove.

[0038] With reference to Figure 2 , Figure 4 and Figure 5 , the distance adjusting mechanism 3 comprises two groups of mounting seats 301 fixedly connected to the two side surfaces of the thigh supporting belt 101 and the calf supporting belt 102 respectively, the lower surfaces of the upper two mounting seats 301 are fixedly connected with outer side rods 302, the opposite surfaces of the two outer side rods 302 are provided with sliding grooves, the upper surfaces of the lower two mounting seats 301 are fixedly connected with inner side rods 303 which are slidingly connected with the inner sliding grooves, the surface of the outer side rod 302 is provided with a sliding slot which penetrates into the sliding groove, the surface of the inner side rod 303 is fixedly connected with a screw rod 304 which is slidingly connected with the inner wall of the sliding slot, the surface of the screw rod 304 is threadedly connected with a fixing nut 305, through the arrangement of the outer side rod 302 and the inner side rod 303, the thigh supporting belt 101 and the calf supporting belt 102 are connected and the distance between them can be adjusted.

[0039] With reference to Figure 2 and Figure 5 , the front surface and the back surface of the inner side rod 303 are provided with sliding blocks 306, the inner front wall and the inner back wall of the sliding groove are provided with sliding grooves for the sliding blocks 306 to slide, through the sliding blocks 306, the inner side rod 303 can move more smoothly in the sliding groove.

[0040] With reference to Figure 2 and Figure 4 , the inner ring surface of the supporting belt 1 is provided with an electric blanket 6, the electric blanket 6 is connected with an external power supply, and the lower limbs of the patient are heated and kept warm through the electric blanket 6.

[0041] The implementation principle of the lower limb traction device for patients in the embodiment of the application is as follows: the thigh supporting belt 101 and the calf supporting belt 102 are respectively laid on the thighs and the calves of the patient, and the two ends of the supporting belt 1 are fixedly connected through the magic tape hook surface 5 and the magic tape hair surface 4, the supporting belt 1 is worn on the lower limbs of the patient, after wearing, the limiting belt 202 at the right end of the supporting belt 1 is inserted into the belt opening of the connecting block 201, under the action of the spring 207, the pressing plate 203 is pushed to abut against the surface of the limiting belt 202, the limiting teeth 204 on the surface of the pressing plate 203 are inserted into the rack groove 205 on the surface of the limiting belt 202, and the supporting belt 1 is fixed and limited after being adhered and worn, and the firmness is further improved, when the distance between the thigh supporting belt 101 and the calf supporting belt 102 needs to be adjusted according to the length of the patient's leg, the fixing nut 305 on the surface of the screw rod 304 is loosened, under the condition that the fixing nut 305 is not limited, the inner side rod 303 is moved in the sliding groove of the outer side rod 302, and the distance between the thigh supporting belt 101 and the calf supporting belt 102 can be adjusted.

[0042] The technical advantages of the lower limb traction device for patients in the embodiment of the application are as follows:

[0043] 1. Comprehensive support and fixation effect: The support belt is composed of a thigh support belt and a calf support belt, which can provide comprehensive support and fixation for the lower limbs of the patient, prevent slipping or deviation during traction, and provide a stable support foundation for fracture or correction treatment.

[0044] 2. Adjustable adaptability: The support belt is provided with a spacing adjustment mechanism on both sides, and medical staff can adjust the width and wrapping degree of the support belt according to the specific size of the patient's lower limbs, which has a wide range of applications and effectively improves the comfort and applicability of the device.

[0045] 3. Quick fixation and release: The connecting mechanism adopts a limiting strap and pressing plate structure, which realizes quick fixation and release through the operation lever, facilitating quick operation of medical staff in the case of urgent adjustment of the tension of the traction device or emergency care, and improving the operation convenience and nursing efficiency.

[0046] 4. Uniform distribution of traction force: The thigh support belt and the calf support belt distribute the traction force, which helps to avoid discomfort caused by excessive local pressure, thereby reducing the adverse effects on the patient during traction and reducing the risk of secondary injury.

[0047] 5. Anti-loose safety design: The meshing structure of the limiting tooth and the rack groove ensures that the support belt is fixed firmly and can only be released by the active operation of medical staff, effectively preventing accidental release and further enhancing the safety of the traction process.

[0048] 6. Comfortable and durable materials: The support belt is made of flexible cotton material, the limiting strap is made of ductile PEC plastic material, and the outer rod and the inner rod are made of light steel material. Flexible cotton improves the comfort of the patient, PEC plastic has good toughness and wear resistance, and light steel rods have strength and lightness. The overall design takes into account comfort, lightness, durability and other characteristics, prolonging the service life of the device.

[0049] 7. Electric heating and warming function: The support belt is provided with an electric heating blanket, which can be connected to an external power source to provide heating and warming function for the lower limbs of the patient, which helps to promote blood circulation and is suitable for traction treatment in cold environments, improving the treatment comfort of the patient.

[0050] 8. Smooth adjustment sliding mechanism: The sliding structure between the outer rod and the inner rod is designed with a sliding block and a sliding groove, which makes the movement of the inner rod more smooth, realizes the accurate adjustment of the distance between the thigh support belt and the calf support belt, and ensures that the traction device is suitable for patients of different body types.

[0051] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. Patient lower limb traction device comprising a traction device body (10) characterised in that: The traction device body (10) comprises a supporting belt (1), the supporting belt (1) comprises a thigh supporting belt (101) and a calf supporting belt (102), the front surface of the supporting belt (1) is provided with a connecting mechanism (2), and the two sides of the supporting belt (1) are provided with spacing adjusting mechanisms (3); The connecting mechanism (2) comprises a connecting block (201) fixedly connected to the front surface of the supporting belt (1), a through belt opening is formed through the surface of the connecting block (201), a limiting belt (202) extending to the inside of the through belt opening is fixedly connected to the right end of the supporting belt (1), an installation groove is arranged on the inner front wall of the through belt opening, a pressing plate (203) is arranged in the installation groove, limiting teeth (204) are arranged on the back surface of the pressing plate (203), a rack groove (205) matched with the limiting teeth (204) is arranged on the side adjacent to the pressing plate (203) of the limiting belt (202), a sliding opening communicating with the inside of the installation groove is arranged on the front surface of the connecting block (201), an operating rod (206) fixedly connected to the front surface of the pressing plate (203) is slidingly connected to the inner wall of the sliding opening, a spring (207) is arranged on the surface of the operating rod (206), and the two ends of the spring (207) are fixedly connected to the inner front wall of the installation groove and the front surface of the pressing plate (203) respectively.

2. The patient lower leg traction device of claim 1, wherein: The front surface of the left end of the supporting belt (1) is fixedly connected with a magic tape rough surface (4), the back surface of the right end of the supporting belt (1) is fixedly connected with a magic tape hook surface (5), and the two ends of the supporting belt (1) are bonded through the magic tape hook surface (5) and the magic tape rough surface (4) respectively.

3. The patient lower leg traction device of claim 1, wherein: The two side surfaces of the pressing plate (203) are provided with guide sliding blocks (208), and the two side inner walls of the installation groove are provided with limiting sliding grooves for sliding of the guide sliding blocks (208).

4. The patient lower leg traction device of claim 1, wherein: The spacing adjusting mechanism (3) comprises two groups of mounting seats (301), the two groups of mounting seats (301) are fixedly connected to the two side surfaces of the thigh supporting belt (101) and the calf supporting belt (102) respectively, the lower surfaces of the upper two mounting seats (301) are fixedly connected with outer side rods (302), the opposite surfaces of the two outer side rods (302) are provided with sliding grooves, the upper surfaces of the lower two mounting seats (301) are fixedly connected with inner side rods (303) slidingly connected with the inside of the sliding grooves, the surface of the outer side rod (302) is provided with a sliding bar opening penetrating into the inside of the sliding groove, the surface of the inner side rod (303) is fixedly connected with a screw rod (304) slidingly connected with the inner wall of the sliding bar opening, and the surface of the screw rod (304) is screwed with a fixed nut (305).

5. The patient lower leg traction device of claim 4, wherein: The front surface and the back surface of the inner side rod (303) are provided with sliding assisting blocks (306), and the inner front wall and the inner rear wall of the sliding groove are provided with sliding assisting grooves for sliding of the sliding assisting blocks (306).

6. The patient lower leg traction device of claim 1, wherein: The inner ring surface of the supporting belt (1) is provided with an electric blanket (6).

7. The patient lower leg traction device of claim 1, wherein: The supporting belt (1) is made of flexible cotton material, and the limiting belt (202) is made of tough PEC plastic material.

8. The patient lower leg traction device of claim 4, wherein: The outer side rod (302) and the inner side rod (303) are made of light steel material.

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