Medical straight leg lifting instrument
By designing a medical straight leg elevator, the combination of screws and ropes can achieve automatic elevation and decline of the patient's legs, solving the problems of cumbersome operation of nursing staff and difficulty in preventing venous thrombosis, and achieving the effect of reducing nursing burden and preventing venous thrombosis.
Patent Information
- Application Number
- CN202420934846.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-04-30
AI Technical Summary
In the prior art, when preventing venous thrombosis, medical care workers and home caregivers are burdened when performing limb exercises for patients and it is difficult to effectively prevent the occurrence of venous thrombosis.
A medical straight leg elevator is designed, including a vertical bracket, a moving base, a suspension bracket and a drive motor. Through the cooperation of the screw and the rope, the patient's legs are automatically raised and lowered, simplifying the operation of nursing staff.
The device can effectively reduce the burden on nursing staff, simplify limb movement operations, and prevent the occurrence of venous thrombosis by accelerating blood flow.
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Figure CN222752284U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical auxiliary equipment, and in particular relates to a medical straight leg raising instrument. Background Art
[0002] In recent years, with the intensification of aging, the demand for home care and rehabilitation care has been increasing. The results of the fourth sampling survey on the living conditions of urban and rural elderly people in my country released in 2016 showed that there are about 40.63 million disabled and semi-disabled elderly people in the country, which brings certain challenges to home caregivers and medical care.
[0003] Venous thromboembolism (VTE) is deep vein thrombosis (DVT) & pulmonary embolism (PTE), of which nearly 50% of proximal DVT progresses to pulmonary embolism, which is one of the main causes of in-hospital death. The incidence of deep vein thrombosis in long-term bedridden patients is 10-20%, the incidence of deep vein thrombosis in patients with major trauma is 40-70%, the incidence of deep vein thrombosis in patients with spinal cord injury is 50-70%, and so on.
[0004] The basic defense methods for preventing VTE are:
[0005] Educate patients about venous thrombosis;
[0006] Improve your lifestyle: quit smoking, limit alcohol consumption, and control blood sugar and blood lipids;
[0007] Appropriate fluid replacement during and after surgery, drink plenty of water to avoid dehydration;
[0008] Raise the lower limbs, and do not place pillows under the popliteal fossa or calves;
[0009] Encourage patients to turn over frequently and strengthen active or passive exercises (ankle pump exercise, straight leg raising, heel sliding, gastrocnemius massage, etc.);
[0010] Encourage early movement;
[0011] Encourage deep breathing and coughing maneuvers;
[0012] Standardize intravenous infusion: avoid lower limb puncture, repeated puncture, and irritant drugs;
[0013] For drug infusion, indwelling needle infusion is recommended;
[0014] Standardize the use of tourniquets;
[0015] The surgical operation is gentle and delicate to avoid damage to the venous endothelium;
[0016] In the above methods, medical care workers and home care workers perform limb exercises for patients, which greatly increases their burden.
[0017] To this end, the applicant has conducted useful explorations and attempts, and found solutions to the above-mentioned problems, which can achieve multiple functions. The technical solution to be introduced below was produced in this context. Summary of the invention
[0018] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a medical straight leg raising instrument.
[0019] The above technical problems of the utility model are mainly solved by the following technical solutions: a medical straight leg raising instrument, comprising a vertical support, a movable base arranged at the lower end of the vertical support, and a suspension bracket arranged at the upper end of the vertical support, the suspension bracket comprising a crossbeam frame and two suspension beams arranged on the front side of the crossbeam frame, a transverse cavity is provided on the inner side of the crossbeam frame, a screw rod is rotatably arranged in the transverse cavity, a first driving motor is provided at the outer end of the crossbeam frame, the first driving motor is connected to drive the screw rod to rotate, a guide groove is provided on one side of the crossbeam frame close to the suspension beam, one end of the two suspension beams connected to the crossbeam frame is fixedly connected with a movable shaft sleeve, one side of the movable shaft sleeve is slidably connected to the guide groove, the movable shaft sleeve is sleeved on the screw rod and connected with the screw rod thread;
[0020] A beam cavity is provided on the inner side of the suspension beam, a winding wheel is provided on the side of the beam cavity close to the crossbeam frame, a guide wheel is provided on the side of the beam cavity away from the winding wheel, a rope is wound on the winding wheel, the other end of the rope is hung below the suspension beam via the guide wheel, a bag ring is provided at the lower end of the rope, a second drive motor is provided on the side of the suspension beam, the second drive motor is connected to drive the winding wheel to rotate, and a control switch is provided on the side wall of the lower end of the vertical bracket.
[0021] Preferably, the end point of the screw rod has opposite threads on both sides.
[0022] Preferably, the vertical support adopts an electric lifting column.
[0023] Preferably, the mobile base comprises a main base plate and extended legs respectively arranged on the front side surfaces of both ends of the main base plate, and the length of the extended legs is longer than the suspension beam;
[0024] Wherein, the lower surfaces of the main bottom plate and the extended legs are both provided with brake wheels, and the wheels of the brake wheels are rubber wheels.
[0025] The utility model has the beneficial effects:
[0026] 1. Put the bag ring into the patient's legs, control the first drive motor by the control switch to rotate the screw rod, and the rotation of the screw rod 303 enables the movable shaft sleeve to move left and right, so as to adjust the position of the suspension beam. Then control the second drive motor by the control switch to perform forward and reverse rotation to realize the reciprocating up and down movement of the bag ring. Lift the straight legs through the rope, straighten the legs and raise them to about 20 cm from the bed surface, maintain for 5-10 seconds, then control the second drive motor to reverse, so that the bag ring descends, and then slowly flattens it, with both legs alternating. The above actions are one set, 20-30 sets / times, 3-4 times / day.
[0027] 2. The two ends of the screw rod 303 have opposite threads. After the screw rod is rotated, the reverse thread design on the screw rod can realize the movement of the two suspension beams closer to or away from each other, thereby improving the practicality of the adjustment.
[0028] 3. By using an electric lifting column on the vertical bracket 1, it is easy to adjust the height of the suspended beam and realize the later storage.
[0029] 4. The length of the extended legs is longer than the suspension beam, and a U shape is formed between the two extended legs and the main base plate, which makes it more stable during use. The brake wheel prevents displacement during use. The wheels of the brake wheel are rubber wheels, which make it quiet during movement. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a structural schematic diagram of the utility model;
[0031] Figure 2 It is a side view structural schematic diagram of the utility model;
[0032] Figure 3 This is a schematic diagram of the internal structure of the suspension bracket of the utility model;
[0033] Figure 4 This is a schematic diagram of the internal structure of the utility model suspension beam from a side view;
[0034] Figure 5 The utility model is a schematic diagram of a top view structure of the mobile base.
[0035] In the figure: 1. vertical bracket; 101. control switch; 2. movable base; 201. main base plate; 202. extension leg; 203. brake wheel; 3. suspension bracket; 301. suspension bracket; 302. suspension beam; 303. screw rod; 304. first drive motor; 305. guide groove; 306. movable bushing; 307. winding wheel; 308. guide wheel; 309. rope; 310. bag ring; 311. second drive motor. DETAILED DESCRIPTION
[0036] The following are examples and the attached Figure 1-Figure 5The structure is shown in the figure, and the technical solution of the utility model is further specifically described.
[0037] Embodiment 1: A medical straight leg raising instrument comprises a vertical support 1, a movable base 2 arranged at the lower end of the vertical support 1, and a suspension bracket 3 arranged at the upper end of the vertical support 1, wherein the suspension bracket 3 comprises a crossbeam frame 301 and two suspension beams 302 arranged on the front side of the crossbeam frame 301, a transverse cavity is provided on the inner side of the crossbeam frame 301, a screw rod 303 is rotatably provided in the transverse cavity, a first driving motor 304 is provided at the outer end of the crossbeam frame 301, the first driving motor 304 is connected to drive the screw rod 303 to rotate, a guide groove 305 is provided on one side of the crossbeam frame 301 close to the suspension beam 302, a movable shaft sleeve 306 is fixedly connected to one end of the two suspension beams 302 connected to the crossbeam frame 301, one side of the movable shaft sleeve 306 is slidably connected to the guide groove 305, and the movable shaft sleeve 306 is sleeved on the screw rod 303 and is threadedly connected to the screw rod 303;
[0038] A beam cavity is provided on the inner side of the suspension beam 302, and a winding wheel 307 is provided on the side of the beam cavity close to the crossbeam frame 301, and a guide wheel 308 is provided on the side of the beam cavity away from the winding wheel 307. A rope 309 is wound on the winding wheel 307, and the other end of the rope 309 is hung below the suspension beam 302 through the guide wheel 308, and a bag ring 310 is provided at the lower end of the rope 309. A second drive motor 311 is provided on the side of the suspension beam 302, and the second drive motor 311 is connected to drive the winding wheel 307 to rotate, and a control switch 101 is provided on the side wall of the lower end of the vertical bracket 1.
[0039] The specific implementation method is:
[0040] The present embodiment is moved to the side of the bed by the movable base 2, and the movable base 2 is located at the bottom of the bed, and the two suspension beams 302 are located above the patient's legs. By putting the bag ring 310 into the patient's legs, the control switch 101 controls the first drive motor 304 to rotate the screw rod 303. The rotation of the screw rod 303 enables the movable shaft sleeve 306 to move left and right, which is convenient for adjusting the position of the suspension beam 302. Then the control switch 101 controls the second drive motor 311 to rotate forward and reverse, so as to realize the reciprocating lifting and lowering of the bag ring 310.
[0041] Lift the straight legs through the rope 309, straighten the legs and lift them to about 20 cm from the bed surface, maintain for 5-10 seconds, then control the second drive motor 311 to reverse, so that the bag circle 310 descends, and then slowly flattens it, alternating the legs, the above actions are one set, 20-30 sets / times, 3-4 times / day.
[0042] Embodiment 2:
[0043] Based on Example 1, this embodiment further defines that the two sides of the end point of the screw rod 303 are opposite threads.
[0044] After the screw rod 303 rotates, the reverse thread design on the screw rod 303 enables the two suspension beams 302 to move closer to or away from each other, thereby improving the practicality of adjustment.
[0045] The other parts of this embodiment are the same as those of the above-mentioned embodiment 1 and will not be described in detail.
[0046] Embodiment 3:
[0047] Based on the first embodiment, the present embodiment further defines that the vertical support 1 adopts an electric lifting column.
[0048] By using an electric lifting column for the vertical support 1, it is possible to adjust the height of the suspension beam 302 and realize the later storage.
[0049] The other parts of this embodiment are the same as those of the above-mentioned embodiment 1 and will not be described in detail.
[0050] Embodiment 4:
[0051] Based on the embodiment 1, this embodiment further defines that the mobile base 2 includes a main base plate 201 and extended legs 202 respectively arranged on the front side surfaces of both ends of the main base plate 201, and the length of the extended legs 202 is longer than the suspension beam 302;
[0052] The lower surfaces of the main bottom plate 201 and the extended legs 202 are both provided with brake wheels 203 , and the wheels of the brake wheels 203 are rubber wheels.
[0053] The length of the extended legs 202 is longer than the suspension beam 302, and a U shape is formed between the two extended legs 202 and the main base plate 201, so as to achieve greater stability during use. The brake wheel 203 prevents displacement during use, and the wheel of the brake wheel 203 is a rubber wheel, which makes it quiet during movement.
[0054] The other parts of this embodiment are the same as those of the above-mentioned embodiment 1 and will not be described in detail.
[0055] The overall principle of the utility model:
[0056] The utility model is pushed to the bedside of the bedridden patient, and the vertical support 1 (electric lifting column) is controlled by the control switch 101 to rise to the required height. The control switch 101 controls the first drive motor 304 to rotate the screw rod 303. After the screw rod 303 rotates, the reverse thread design on the screw rod 303 is used to realize the movement of the two suspension beams 302 closer to or away from each other, thereby improving the practicality of the adjustment. Then the control switch 101 controls the second drive motor 311 to perform forward and reverse rotation to realize the reciprocating lifting and lowering of the bag ring 310. The straight legs are raised by the rope belt 309, and the legs are straightened and raised to about 20 cm from the bed surface, and maintained for 5-10 seconds. At this time, the second drive motor 311 is controlled to reverse to make the bag ring 310 descend, and then slowly flattened, with both legs alternating. The above actions are one set, 20-30 sets / times, 3-4 times / day;
[0057] The utility model product can assist medical care workers and home care workers in performing limb exercises for patients, greatly reducing their burden. At the same time, the use of the utility model product can help accelerate the blood flow of patients and prevent the occurrence of venous thrombosis in patients.
[0058] Finally, it should be pointed out that the above embodiments are only representative examples of the present utility model. Obviously, the present utility model is not limited to the above embodiments, and there are many variations. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model should be considered to belong to the protection scope of the present utility model.
Claims
1. A medical straight leg raising device, comprising a vertical support (1), a movable base (2) arranged at the lower end of the vertical support (1), and a suspension bracket (3) arranged at the upper end of the vertical support (1), characterized in that The suspension bracket (3) comprises a crossbeam frame (301) and two suspension beams (302) arranged on the front side of the crossbeam frame (301); a transverse cavity is provided on the inner side of the crossbeam frame (301); a screw rod (303) is rotatably arranged in the transverse cavity; a first driving motor (304) is provided at the outer end of the crossbeam frame (301); the first driving motor (304) is connected to drive the screw rod (303) to rotate; a guide groove (305) is provided on a side of the crossbeam frame (301) close to the suspension beam (302); one end of the two suspension beams (302) connected to the crossbeam frame (301) is fixedly connected with a movable shaft sleeve (306); one side of the movable shaft sleeve (306) is slidably connected to the guide groove (305); the movable shaft sleeve (306) is sleeved on the screw rod (303) and is threadedly connected to the screw rod (303); A beam cavity is provided on the inner side of the suspension beam (302), a winding wheel (307) is provided in the beam cavity on the side close to the crossbeam frame (301), a guide wheel (308) is provided in the beam cavity on the side away from the winding wheel (307), a rope (309) is wound on the winding wheel (307), the other end of the rope (309) is hung below the suspension beam (302) via the guide wheel (308), a bag ring (310) is provided at the lower end of the rope (309), a second drive motor (311) is provided on the side of the suspension beam (302), the second drive motor (311) is connected to drive the winding wheel (307) to rotate, and a control switch (101) is provided on the side wall of the lower end of the vertical bracket (1).
2. The medical straight leg raising device according to claim 1, characterized in that The two sides of the middle end of the screw rod (303) are opposite threads.
3. The medical straight leg raising device according to claim 1, characterized in that The vertical support (1) adopts an electric lifting column.
4. The medical straight leg raising device according to claim 1, characterized in that The mobile base (2) comprises a main base plate (201) and extended legs (202) respectively arranged on the front side surfaces of both ends of the main base plate (201), wherein the length of the extended legs (202) is longer than the suspension beam (302); Wherein, the lower surfaces of the main bottom plate (201) and the extended legs (202) are both provided with brake wheels (203), and the wheels of the brake wheels (203) are rubber wheels.