CN111789727A - A special foot washing device for long-term bedridden patients and control method thereof - Google Patents

Abstract

The invention discloses a special foot washing device for long-term bedridden patients and a control method thereof, comprising a main body, the upper part of the main body is recessed inward to form a foot bath, and the lower part is used as a recovery water tank to communicate with the bottom of the foot bath through a recovery pipeline. There is a drying device corresponding to the recovery water tank above the foot bath, a massage device and a temperature collection device are also arranged inside, a heating chamber is also arranged near the foot bath, a circulating heating device is arranged in the heating chamber, and the inlet and outlet of the circulating heating device They are respectively communicated with the side walls of the foot bath. The side walls of the main body are also provided with a fixing device for fixing it on the sickbed. The corresponding fixing device is also provided with a supporting device for supporting the patient's legs. The foot washing device also includes a control device. and power distribution devices. One of the objectives of the present invention is to provide a dedicated foot washing device for long-term bedridden patients, which can adjust the water temperature, massage the patient's feet, and recover the foot washing water after the foot washing is completed.

Description

A special foot washing device for long-term bedridden patients and control method thereof

technical field

The invention relates to the technical field of clinical nursing, in particular to a special foot washing device for long-term bedridden patients and a control method thereof.

Background technique

For long-term bedridden patients, using hot water to wash feet can not only remove sweat and oil, relax tendons and activate blood, improve sleep, improve the skin's metabolic function and disease resistance, but also treat and prevent certain diseases.

At present, medical staff usually use two forms of foot-washing care for long-term bedridden patients. One form is to scrub with a towel dipped in water, and the other form is to wash the feet of the patient by filling the ordinary basin with water on the hospital bed. In clinical practice, it has been found that the former method of washing feet cannot make the patient's feet soak in warm water, while the latter method can make the patient's feet soak, but when a person operates, he can only wash one foot at a time, otherwise the other It is inconvenient to fix only one foot, and it is easy to cause the foot basin to tilt or roll over to wet the hospital bed. Or two medical staff operate at the same time, one to fix the patient's feet, and the other to wash the feet.

In view of this, some foot-washing devices specially designed for long-term bedridden patients have appeared on the market, such as a bed footwashing basin for bedridden patients disclosed in utility model patent CN202179655U, including a basin body, and the basin body is provided with two parallel devices near the edge. Leg rests, two foot rests are arranged in parallel inside the basin body above the two leg rests, and the height of the foot rests is lower than the height of the leg rests; , The rear heel bracket is composed.

However, there are the following problems when using the above-mentioned foot washing device for clinical care of long-term bedridden patients.

1. Although the above-mentioned foot washing device can lift and fix the patient's legs and feet to a certain extent, because it is directly placed on the bed, in order to prevent the foot washing device from rolling over, it is necessary to wash the feet of long-term bedridden patients. During nursing, a medical staff is still required to fix the foot washing device.

2. In order to maintain the temperature of the foot-washing water in the above-mentioned foot-washing device, the medical staff needs to continuously add hot water to the foot-washing device, and at the same time, the water temperature of the foot-washing water is also difficult to control, and there is a risk of scalding the patient's feet.

3. When using the above foot washing device to wash the feet of a long-term bedridden patient, the medical staff needs to scrub the patient's feet manually, and the medical staff also needs to dry the feet after washing, which increases the workload of the medical staff.

SUMMARY OF THE INVENTION

One of the objectives of the present invention is to provide a special bed-ridden patient that can be fixed on a hospital bed, can support the patient's legs, can adjust the water temperature, massage the patient's feet, and can also recover the foot-washing water after the foot-washing is completed. Foot washing device; another object of the present invention is to provide a control method based on the aforementioned dedicated foot washing device for long-term bedridden patients, aiming to solve the technical problems described in the background art.

In order to achieve the above object, the present invention first provides a special foot washing device for long-term bedridden patients. As a recovery water tank, it is communicated with the bottom of the foot bath through a recovery pipeline. A drying device is provided above the foot bath corresponding to the recovery water tank, and a massage device for massaging the soles of patients' feet and for detecting A temperature collection device for water temperature, a heating cavity is also provided near the foot bath, a circulating heating device is arranged in the heating cavity, the inlet and the outlet of the circulating heating device are respectively communicated with the side wall of the foot bath, and the The side wall of the main body is also provided with a fixing device for fixing it on the hospital bed, corresponding to the fixing device is also provided with a supporting device for supporting the patient's legs, and the foot washing device also includes a device for receiving information and issuing instructions. control devices and distribution devices for power supply.

Further, the recovery pipeline includes a water inlet branch pipe and a submersible pump arranged in the recovery water tank, the water inlet end of the water inlet branch pipe is connected to the bottom of the foot bath, and the water outlet end passes through a valve with an on-off valve. The water inlet main pipe is communicated with the submersible pump, a drainage pipeline is also arranged on one side of the recovery water tank, and a drainage valve is arranged on the drainage pipeline.

Further, the circulating heating device includes a circulating pipeline, and a circulating pump and a heater are arranged on the circulating pipeline.

Further, the massage device includes an installation box arranged in the middle of the foot bath, and the left and right sides of the installation box are respectively used as the patient's left foot accommodation area and the right foot accommodation area, the left foot accommodation area. The storage area and the right foot storage area are respectively provided with a plurality of first massage rollers and second massage rollers evenly distributed along the length direction of the installation box. The massage motor in the installation box drives it to rotate.

Furthermore, the first massage roller and the second massage roller are both rotatably connected to the installation box through a first rotating shaft with a shaft seal, and the ends of each first rotating shaft correspond to the first massage roller and the second massage roller respectively. A first sprocket and a second sprocket are provided, and the first sprocket and the second sprocket are respectively connected by chain transmission. The massage motor is a biaxial worm gear motor. One output shaft is connected to any one of the first sprockets, and the other output shaft is connected to any of the second sprockets.

Further, the fixing device includes sliding tables oppositely arranged on the left and right sides of the main body, the sliding tables extend along the height direction of the main body, and are slidably connected with a slider, and the slider is formed with a support. There is an elastic telescopic arm hinged on the support ear, and the end of the elastic telescopic arm is provided with a clamp for connecting the bed rail, wherein: the telescopic arm includes a plurality of sleeves that are sleeved end to end, the first sleeve A rope winding roller is rotatably connected in the tube through a second rotating shaft with a torsion spring, a cable is coiled on the rope winding roller, and the end of the cable extends into the sleeve at the tail, and is connected with the sleeve at the tail. Fixed connection.

Further, the support device includes a lifting arm rotatably connected to the left and right sides of the main body through a third rotating shaft, the end of the lifting arm is provided with a leg rest, and the third rotating shaft is also provided with a lifting arm for adjusting the lifting arm. The angle adjustment mechanism of the inclination angle, wherein: the lifting arm includes a mounting seat arranged on the rotating shaft, the mounting seat is provided with a sleeve, and the inner cavity of the sleeve is divided up and down by the partition plate to form the first installation cavity and a second installation cavity, the first installation cavity is provided with a drive assembly, the output end of the drive assembly is provided with a screw rod, the screw rod passes through the baffle and along the length of the sleeve The first installation cavity is provided with a connecting block matched with the screw rod, and a pair of telescopic rods are oppositely arranged on the connecting block, and the telescopic rods extend outward through the top wall of the sleeve , and its end is provided with a leg rest, when the screw rod rotates, the connecting block can slide along the length direction of the sleeve.

Further, the drive assembly includes a first spiral bevel gear connected to the end of the screw and located in the first installation cavity, and a second spiral bevel gear meshing with the first spiral bevel gear is arranged near the first spiral bevel gear. The axes of the second spiral bevel gear and the first spiral bevel gear are perpendicular to each other, and a fourth rotating shaft is disposed on the side away from the first spiral bevel gear, and the end of the fourth rotating shaft passes through the side of the sleeve The wall extends outward and is connected to a rocker.

Further, the adjustment mechanism includes a ratchet wheel coaxially arranged with the third rotating shaft and can rotate synchronously with the lifting arm, and a brake switch is also provided corresponding to the ratchet wheel, wherein the brake switch includes a fixed connection. A circular shell cavity on the side wall of the subject, the shell cavity is located between the ratchet wheel and the main body, and its axis is provided with a through hole for the third rotating shaft to pass through, and a through hole is provided near the ratchet wheel A braking pawl matched with it, the braking pawl is hinged with the inner cavity wall of the housing cavity through a fifth rotating shaft with a torsion spring, and a paddle is also provided at the end thereof, and the side wall of the housing cavity is also A limiting slot is provided, and the paddle extends outward through the limiting slot. In a natural state, the braking pawl and the ratchet abut against each other.

The invention also discloses a control method based on the above-mentioned special foot washing device for long-term bedridden patients, comprising the following steps:

S1: start the control device, the control device controls the rotation of the biaxial worm gear motor, and receives the real-time water temperature W1 _of the foot bath collected by the temperature acquisition device;

S2: The control device compares the real-time water temperature W ₁ with the water temperature threshold W, and judges whether W ₁ is less than W, if so, enter step S3;

S3: The control device controls the circulating pump and the heater to work, compares the real-time water temperature W ₁ with the water temperature threshold W, and judges whether W ₁ is equal to or greater than W, if so, close the circulating pump and the heater, and return to the step S2;

S4: the control device determines whether the foot washing time T1 _reaches the preset time threshold T, if so, go to step S5;

S5: the control device starts the submersible pump, and judges whether the working time T3 _of the submersible pump reaches the preset time threshold value _T2 , if so, closes the submersible pump, and goes to step S6;

S6: _The control device starts the drying device to work, and judges whether the drying device working time T5 reaches the preset time threshold T4, if so, shuts down the drying device and the dual _- shaft worm gear motor to complete the foot washing.

Compared with the prior art, the significant effects of the present invention are:

(1) The temperature acquisition device can detect the water temperature of the foot-washing water in the foot bath in real time. When the water temperature is lower than the preset water temperature threshold in the control device, the control device can trigger the circulating heating device to circulate and heat the foot-washing water, so as to avoid washing the feet. The constant dissipation of the heat of the foot water keeps the foot water in the foot bath always in a suitable water temperature range, prolonging the foot soaking time and achieving better physical therapy and health care effects. hot water, thus not only reducing the workload of medical staff, but also reducing the risk of scalding patients;

(2) Due to the setting of the recovery water tank, when the foot washing time reaches the preset time threshold in the control device, under the action of the return pipeline, the foot washing water in the foot bath can be recovered into the recovery water tank for storage, and cooperate with drying The drying device can quickly dry the feet of bedridden patients, so after the foot washing is completed, there is no need for medical staff to lift the patient's feet to dry manually, which increases the convenience of use. At the same time, because the foot washing water after use is closed In the recycling water tank, so that the footwashing water can be prevented from contaminating the bed and clothing during the process of transporting the footwashing device;

(3) By setting the massage device, it can not only replace the manual scrubbing of medical staff to remove sweat and oil, but also massage the patient's acupuncture points, so that the blood vessels of the long-term bedridden patients can expand, the local blood flow speed is accelerated, and the nutrition of the lower limbs can be increased. supply, thereby improving the metabolic function and disease resistance of the skin, and shortening the recovery period of patients;

(4) By setting the fixing device, the medical staff can pre-fix the main body on the hospital bed before washing the patient's feet, so that the medical staff does not need to fix the patient's feet manually during the whole process of washing the patient's feet, thus improving the convenience and avoiding the need to wash the feet. The device rolls over;

(5) By setting the support device, when washing the patient's feet, it can form a support for the patient's leg, so that the patient can maintain a correct posture during the process of washing the feet in bed, reduce the patient's fatigue, and make the patient feel more comfortable.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the overall structure schematic diagram of the special foot washing device for long-term bedridden patients of the present invention;

2 is a perspective view of the special foot washing device for long-term bedridden patients of the present invention;

3 is a schematic diagram of the storage state of the special foot washing device for long-term bedridden patients according to the present invention;

Fig. 4 is a partial enlarged view of part A in Fig. 2;

5 is a schematic diagram of the internal structure of the recovery water tank in the present invention;

6 is a schematic structural diagram of a massage device in the present invention;

Fig. 7 is a partial enlarged view of part B in Fig. 6;

8 is a schematic structural diagram of an elastic telescopic arm in the present invention;

Fig. 9 is the structural representation of the lifting arm in the present invention;

10 is a schematic diagram of the use state of the special foot washing device for long-term bedridden patients according to the present invention;

Fig. 11 is the functional flow chart of each component in;

12 is a schematic flowchart of the control method of the special foot washing device for long-term bedridden patients of the present invention;

1-Main body, 2-Foot bath, 3-Recycling pipeline, 4-Recycling water tank, 5-Drying device, 6-Massage device, 7-Temperature acquisition device, 8-Heating chamber, 9-Circulating heating device, 10- Fixing device, 11-support device, 12-control device, 13-power distribution device, 301-water inlet branch pipe, 302-submersible pump, 303-on-off valve, 304-water inlet main pipe, 14-drainage pipeline, 15-drainage Valve, 901-circulation pipeline, 902-circulation pump, 903-heater, 601-installation box, 602-first massage roller, 603-second massage roller, 604-massage motor, 605-shaft seal, 606-first One sprocket, 607-second sprocket, 608-chain, 101-slide, 102-slider, 103-lug, 104-elastic telescopic arm, 105-clamp, 106-sleeve, 107-rope roller , 108-cable, 111-lifting arm, 112-leg rest, 113-angle adjustment mechanism, 114-mounting seat, 115-sleeve, 116-partition, 117-drive assembly, 118-screw rod, 119-connection Block, 120- telescopic rod, 121- first spiral bevel gear, 122- second spiral bevel gear, 123- rocker, 124- ratchet, 125- brake switch, 126- shell cavity, 127- brake pawl, 128-pick, 129-limit slot, 20-patient bed, 21-bed rail.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than An indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to FIG. 1 to FIG. 11 , the present invention first provides a technical solution: a special foot washing device for long-term bedridden patients, the key point of which is that it includes a main body 1, and the upper part of the main body 1 is recessed inwardly to accommodate the patient's feet. The bottom part of the foot bath 2 is connected to the bottom of the foot bath 2 as a recovery water tank 4 through a recovery pipeline 3. A drying device 5 is provided above the foot bath 2 corresponding to the recovery water tank 4. A massage device 6 for massaging the soles of the patient's feet and a temperature collection device 7 for detecting the water temperature are also provided, and a heating chamber 8 is also provided near the foot bath 2. The heating chamber 8 is provided with a circulating heating device 9, so The inlet and outlet of the circulating heating device 9 are respectively communicated with the side wall of the foot bath 2, and the side wall of the main body 1 is also provided with a fixing device 10 for fixing it on the patient bed 20, corresponding to the fixing device 10 is also provided with a support device 11 for supporting the patient's legs, the foot washing device further comprising a control device 12 for receiving information and issuing instructions and a power distribution device 13 for supplying electricity.

In this embodiment, the temperature collection device 7 can detect the water temperature of the foot-washing water in the foot bath 2 in real time. When the water temperature is lower than the preset water temperature threshold in the control device 12, the control device 12 can trigger the circulation heating device 9 to wash the feet. The water is circulated and heated, so as to avoid the continuous loss of heat of the foot-washing water, so that the foot-washing water in the foot bath 2 is always in a suitable water temperature range, prolonging the foot soaking time, and playing a better physiotherapy and health care effect. During the foot washing process, it is not necessary for the medical staff to repeatedly add hot water, so not only the workload of the medical staff is reduced, but also the risk of scalding the patient is reduced. At the threshold, under the action of the return line, the foot washing water in the foot bath 2 can be recovered into the recovery water tank 4 for storage. With the drying device 5, the feet of the bedridden patients can be quickly dried, so the feet are washed in the foot bath. After completion, there is no need for medical staff to lift the patient's feet to dry manually, which increases the convenience of use. At the same time, since the used foot washing water is enclosed in the recovery water tank 4, during the process of transporting the foot washing device, it can be used. Avoid the foot washing water contaminating the bed and clothes; by setting the massage device 6, it can not only replace the medical staff to scrub manually, play the role of removing sweat and oil, but also massage the patient's acupuncture points, so that the blood vessels of the long-term bedridden patients can dilate, local blood The flow speed is accelerated, the supply of nutrition to the lower extremities is increased, thereby improving the metabolic function and disease resistance of the skin, and shortening the recovery period of the patient; by setting the fixing device 10, the medical staff can pre-fix the main body 1 on the hospital bed 20 before washing the patient's feet. On the other hand, during the process of washing the patient's feet, the medical staff does not need to be manually fixed, thereby improving the convenience and avoiding the rollover of the foot-washing device; by setting the support device 11, when washing the patient's feet, the patient's legs can be formed. Support, so that the patient can maintain a correct posture in the process of foot washing in bed, reduce the fatigue of the patient, and make the patient feel more comfortable.

Specifically, the recovery pipeline 3 includes a water inlet branch pipe 301 and a submersible pump 302 arranged in the recovery water tank 4 , the water inlet end of the water inlet branch pipe 301 is connected to the bottom of the foot bath 2 , and its water outlet end The submersible pump 302 is communicated with the submersible pump 302 through a water inlet main pipe 304 with an on-off valve 303 , and a drain pipe 14 is also provided on one side of the recovery water tank 4 , and a drain valve 15 is provided on the drain pipe 14 .

In this embodiment, when the control device 12 turns on the submersible pump 302 and the on-off valve 303 , the foot washing water in the foot bath 2 can be quickly drawn into the recovery water tank 4 .

Specifically, the circulating heating device 9 includes a circulating pipeline 901 , and a circulating pump 902 and a heater 903 are provided on the circulating pipeline 901 .

In this embodiment, when the control device 12 turns on the circulation pump 902, the foot washing water in the foot bath 2 can enter the heater 903 from the inlet of the circulation pipeline 901 through the circulation pump 902. The outlet of the circulation pipeline 901 is returned to the foot bath 2, so as to realize the circulation heating of the foot washing water.

Specifically, the massage device 6 includes an installation box 601 arranged in the middle of the foot bath 2, and the left and right sides of the installation box 601 are respectively used as the patient's left foot accommodation area and the right foot accommodation area. The left foot accommodating area and the right foot accommodating area are respectively provided with a plurality of first massage rollers 602 and second massage rollers 603 uniformly distributed along the length direction of the installation box 601 . The first massage rollers 602 and the second massage rollers The rollers 603 are driven to rotate by the massage motor 604 arranged in the installation box 601 .

In this embodiment, the rotating first massage roller 602 and the second massage roller 603 massage the patient's left and right foot soles respectively, which can fully stimulate the patient's sole acupuncture points and play a better scrubbing and massaging effect.

Specifically, both the first massage roller 602 and the second massage roller 603 are rotatably connected to the installation box 601 through a first shaft with a shaft seal 605, and the ends of the first shafts correspond to the first massage rollers 602 and 601 respectively. The second massage roller 603 is provided with a first sprocket 606 and a second sprocket 607. The first sprocket 606 and the second sprocket 607 are respectively connected by a chain 608. The massage motor 604 is a double-shaft worm gear. One of the output shafts of the double-shaft worm gear motor is connected to any of the first sprockets 606 , and the other output shaft of the dual-shaft worm motor is connected to any of the second sprockets 607 .

In this embodiment, since the massage motor 604 is a dual-shaft turbine worm motor, its two output shafts can drive the first massage roller 602 and the second massage roller 603 to rotate through the first sprocket 606 and the second sprocket 607 respectively. , the structure is simple and compact, and the production cost is reduced.

Specifically, the fixing device 10 includes sliding tables 101 disposed on the left and right sides of the main body 1 opposite to each other. The sliding tables 101 extend along the height direction of the main body 1 and are slidably connected with sliders 102 . A support lug 103 is formed on the block 102, and an elastic telescopic arm 104 is hinged on the support lug 103. The end of the elastic telescopic arm 104 is provided with a clamp 105 for connecting the bed rail 21, wherein: the telescopic arm includes several The sleeve 106 is sleeved end to end. The first sleeve 106 is connected to a rope winding roller 107 through a second rotating shaft with a torsion spring. The rope winding roller 107 is coiled with a cable 108. The end of the tail extends into the sleeve 106 at the tail, and is fixedly connected with the sleeve 106 at the tail.

In this embodiment, the sliding table 101 is provided so that the elastic telescopic arms 104 can adapt to the height of the bed rails 21 on the hospital bed 20. When the elastic telescopic arms 104 on both sides are respectively connected to the bed rails 21 on both sides of the hospital bed 20 through the clamps 105 , the main body 1 is firmly fixed on the bed 20, and at the same time, since the elastic telescopic arm 104 is rotatably connected with the lugs 103 on the slider 102, the elastic telescopic arm 104 can be stored in the main body when the foot washing device is not used. 1 on both sides.

Specifically, the support device 11 includes a lifting arm 111 rotatably connected to the left and right sides of the main body 1 through a third rotating shaft, the end of the lifting arm 111 is provided with a leg rest 112, and the third rotating shaft is also provided with a The angle adjustment mechanism 113 is used to adjust the inclination angle of the lift arm 111, wherein the lift arm 111 includes a mounting seat 114 arranged on the rotating shaft, and a sleeve 115 is arranged on the mounting seat 114. The inner cavity is divided up and down by the partition plate 116 into a first installation cavity and a second installation cavity, the first installation cavity is provided with a drive assembly 117, and the output end of the drive assembly 117 is provided with a screw rod 118, the screw rod 118 passes through the partition plate 116 and extends along the length direction of the sleeve 115. The first installation cavity is provided with a connecting block 119 matched with the screw rod 118, and the connecting block 119 is oppositely arranged There are a pair of telescopic rods 120, the telescopic rods 120 extend outward through the top wall of the sleeve 115, and the ends of the telescopic rods 120 are provided with leg rests 112. When the screw rod 118 rotates, the connecting block 119 can move along the The sleeve 115 slides in the longitudinal direction.

Specifically, the drive assembly 117 includes a first spiral bevel gear 121 connected to the end of the screw rod 118 and located in the first installation cavity, and a second spiral bevel gear meshing with the first spiral bevel gear 121 is provided adjacent to the first spiral bevel gear 121 122. The axes of the second spiral bevel gear 122 and the first spiral bevel gear 121 are perpendicular to each other, and a fourth rotating shaft is provided on the side away from the first spiral bevel gear 121, and the end of the fourth rotating shaft passes through the shaft. It extends outward through the side wall of the sleeve 115 and is connected with a rocker 123 .

In this embodiment, under the action of the angle adjustment mechanism 113 and the lifting arm 111, the leg rest 112 can be adapted to the body shape and posture of each patient, and the use effect is better. The specific working principle of the lift arm 111 is as follows: when the medical staff rotates the rocker 123, under the action of the rocker 123, the second spiral bevel gear 122 rotates, thereby driving the first spiral bevel gear 121 meshing with it to rotate. The lead screw 118 connected to the upper end of the first spiral bevel gear 121 rotates, thereby driving the connecting block 119 to slide along the length direction of the sleeve 115. In the second installation cavity, the length of the lifting arm 111 is adjusted.

Specifically, the adjusting mechanism includes a ratchet wheel 124 coaxially disposed with the third rotating shaft and can rotate synchronously with the lifting arm 111 , and a brake switch 125 is also provided corresponding to the ratchet wheel 124 , wherein the brake switch 125 includes a circular shell cavity 126 fixedly connected to the side wall of the subject, the shell cavity 126 is located between the ratchet wheel 124 and the main body 1, and its axis is provided with a passage for the third rotating shaft to pass through. There is a hole near the ratchet wheel 124, and a braking pawl 127 is arranged to cooperate with it. There is a paddle 128, and the side wall of the housing cavity 126 is also provided with a limit slot 129, and the paddle 128 extends outward through the limit slot 129. The ratchets 124 abut against each other.

In this implementation, when the medical staff rotates the lift arm 111 to increase the angle between the lift arm 111 and the bed surface of the hospital bed 20, under the action of the third rotating shaft, the ratchet wheel 124 rotates synchronously, and the braking pawl 127 The back of the pawl distributed along the edge of the ratchet 124 moves, so the angle between the lift arm 111 and the bed surface can be increased without the need to toggle the paddle 128. When the patient's popliteal fossa is placed on the leg rest 112 When it is up, since the braking pawl 127 is abutting between two adjacent pawls on the edge of the ratchet 124, the paddle 128 and the groove wall of the limiting groove 129 abut each other, so the ratchet 124 can only move along the lifting arm 111 rotates in the direction in which the angle between the lift arm 111 and the bed surface increases, but cannot rotate in the direction in which the angle between the lift arm 111 and the bed surface decreases. Therefore, even when the leg rest 112 is under actual pressure from the patient's legs, the lift arm 111 and the bed surface will not be able to rotate. The included angle between the lift arms 111 and the bed surface will not increase, so that the patient's popliteal fossa is supported in a suitable functional position. 128 disengages the braking pawl 127 from the ratchet wheel 124, and the ratchet wheel 124 can rotate in any direction at this time.

Please refer to FIG. 12, based on the above structure, the present invention also provides a control method of a special foot washing device for long-term bedridden patients, including the following steps:

S1: start the control device 12, the control device 12 controls the rotation of the biaxial worm gear motor, and receives the real-time water temperature W ₁ of the foot bath 2 collected by the temperature collecting device 7;

S2: The control device 12 compares the real-time water temperature W ₁ with the water temperature threshold W, and judges whether W ₁ is less than W, and if so, proceeds to step S3;

S3: The control device 12 controls the circulating pump 902 and the heater 903 to work, compares the real-time water temperature W ₁ with the water temperature threshold W, and determines whether W ₁ is equal to or greater than W, and if so, closes the circulating pump 902 and the heater 903, and return to step S2;

S4: the control device ₁₂ determines whether the foot washing time T1 reaches the preset time threshold T, if so, go to step S5;

S5: the control device ₁₂ starts the submersible pump 302, and judges whether the working time T3 _of the submersible pump 302 reaches the preset time threshold value T2, if so, closes the submersible pump 302, and goes to step S6;

S6: The control device 12 starts the drying device 5 to work, and determines whether the working time T5 of the drying device ₅ reaches the preset time threshold T4, if so, the drying device ₅ and the double-shaft worm gear motor are turned off to complete the washing process. foot.

The above disclosure is only a preferred embodiment of the present invention, and of course, it cannot limit the scope of rights of the present invention. Those of ordinary skill in the art can understand that all or part of the process for realizing the above-mentioned embodiment can be realized according to the rights of the present invention. The equivalent changes required to be made still belong to the scope covered by the invention.

Claims (10)

1. The special foot washing device for the long-term bedridden patient is characterized by comprising a main body, wherein the upper part of the main body is inwards sunken to form a foot bath pool used for containing the feet of the patient, the lower part of the main body is used as a recovery water tank and is communicated with the bottom of the foot bath pool through a recovery pipeline, a drying device is arranged above the foot bath pool and corresponds to the recovery water tank, a massage device used for massaging the soles of the feet of the patient and a temperature acquisition device used for detecting the water temperature are further arranged in the foot bath pool, a heating cavity is further arranged close to the foot bath pool, a circulating heating device is arranged in the heating cavity, the inlet and the outlet of the circulating heating device are respectively communicated with the side wall of the foot bath pool, a fixing device used for fixing the foot bath pool on a sickbed is further arranged on the side wall of the main body, a supporting device used for supporting the legs of the patient is further arranged corresponding to the fixing And (4) placing.

2. The special foot washing device for the long-term bedridden patient according to claim 1, wherein the recovery pipeline comprises a water inlet branch pipe and a submersible pump which are arranged in the recovery water tank, the water inlet end of the water inlet branch pipe is connected to the bottom of the foot bath pool, the water outlet end of the water inlet branch pipe is communicated with the submersible pump through a water inlet main pipe with a switch valve, a water drainage pipeline is further arranged on one side of the recovery water tank, and a water drainage valve is arranged on the water drainage pipeline.

3. The foot washing device special for the long-term bedridden patient according to claim 2, wherein the circulation heating device comprises a circulation pipeline, and a circulation pump and a heater are arranged on the circulation pipeline.

4. The special foot washing device for the long-term bedridden patient according to any one of claims 1-3, wherein the massage device comprises an installation box arranged in the middle of the foot bath, the left side and the right side of the installation box are respectively used as a left foot containing area and a right foot containing area of the patient, the left foot containing area and the right foot containing area are respectively provided with a plurality of first massage rollers and second massage rollers which are uniformly distributed along the length direction of the installation box, and the first massage rollers and the second massage rollers are driven to rotate by a massage motor arranged in the installation box.

5. The special foot washing device for the long-term bedridden patient according to claim 4, wherein the first massage roller and the second massage roller are rotatably connected with the mounting box through a first rotating shaft with a shaft seal, the tail end of each first rotating shaft is provided with a first chain wheel and a second chain wheel corresponding to the first massage roller and the second massage roller respectively, the first chain wheel and the second chain wheel are connected through a chain in a transmission manner, the massage motor is a double-shaft worm and gear motor, one output shaft of the double-shaft worm and gear motor is connected to any one of the first chain wheels, and the other output shaft of the double-shaft worm and gear motor is connected to any one of the second chain wheels.

6. The special foot washing device for the long-term bedridden patient according to claim 5, wherein the fixing device comprises sliding tables which are oppositely arranged at the left side and the right side of the main body, the sliding tables extend along the height direction of the main body and are connected with sliding blocks in a sliding manner, supporting lugs are formed on the sliding blocks, elastic telescopic arms are hinged on the supporting lugs, and clamps used for connecting a bed fence are arranged at the tail ends of the elastic telescopic arms, wherein: the telescopic boom comprises a plurality of sleeves which are sleeved end to end, the first sleeve is connected with a rope winding roller in a rotating mode through a second rotating shaft with a torsion spring, a rope is wound on the rope winding roller, the tail end of the rope extends to the tail portion, the sleeves are arranged in the sleeves, and the sleeves are fixedly connected with the tail portion.

7. The special foot washing device for the long-term bedridden patient according to claim 6, wherein the supporting device comprises a lifting arm rotatably connected to the left and right sides of the main body through a third rotating shaft, the tail end of the lifting arm is provided with a leg support, the third rotating shaft is further provided with an angle adjusting mechanism for adjusting the inclination angle of the lifting arm, and the foot washing device comprises: the utility model discloses a telescopic lifting arm, including telescopic inner chamber, telescopic length direction, telescopic lift arm, telescopic inner chamber, telescopic roof, telescopic lift arm is including setting up pivot mount pad, be provided with the sleeve on the mount pad, telescopic inner chamber passes through the baffle and cuts off from top to bottom for first installation cavity and second installation cavity, be provided with drive assembly in the first installation cavity, drive assembly's output is provided with the lead screw, the lead screw passes the baffle, and follow telescopic length direction extends, be provided with in the first installation cavity with lead screw complex connecting block, be provided with a pair of telescopic link on the connecting block relatively, the telescopic link passes telescopic roof outwards extends, and its end is provided with the leg and holds in the palm, works as when the lead screw rotates, the connecting block can follow telescopic length direction.

8. The special foot washing device for the long-term bedridden patient according to claim 7, wherein the driving assembly comprises a first spiral bevel gear connected to the end of the screw rod and located in the first mounting cavity, a second spiral bevel gear meshed with the first spiral bevel gear is arranged close to the first spiral bevel gear, the axis of the second spiral bevel gear is perpendicular to the axis of the first spiral bevel gear, a fourth rotating shaft is arranged on one side of the second spiral bevel gear far away from the first spiral bevel gear, and the end of the fourth rotating shaft penetrates through the side wall of the sleeve to extend outwards and is connected with a rocker.

9. The special foot washing device for the long-term bedridden patient according to claim 8, the adjusting mechanism comprises a ratchet wheel which is coaxial with the third rotating shaft and can synchronously rotate along with the lifting arm, a brake switch is arranged corresponding to the ratchet wheel, wherein the brake switch comprises a circular shell cavity fixedly connected to the side wall of the main body, the shell cavity is positioned between the ratchet wheel and the main body, a through hole for the third rotating shaft to pass through is arranged at the axis of the ratchet wheel, a brake pawl matched with the ratchet wheel is arranged close to the ratchet wheel, the brake pawl is hinged with the inner cavity wall of the shell cavity through a fifth rotating shaft with a torsion spring, the tail end of the ratchet wheel is further provided with a shifting piece, the side wall of the shell cavity is further provided with a limiting groove, the shifting piece penetrates through the limiting groove to extend outwards, and the braking pawl and the ratchet wheel are mutually abutted under a natural state.

10. The control method of the foot washing device special for the long-term bedridden patient according to the claim 9, characterized by comprising the following steps:

s1: starting a control device, controlling the rotation of the double-shaft worm and gear motor by the control device, and receiving the real-time water temperature W of the foot bath pool collected by the temperature collecting device₁；

S2: the control device will real-time water temperature W₁Comparing with water temperature threshold value W and judging W₁If the value is less than W, the process goes to step S3;

s3: the control device controls the circulating pump and the heater to work and enables the water temperature W to be real-time₁Comparing with water temperature threshold value W and judging W₁Whether it is equal to or greater than W, if yes, the circulation pump and the heater are turned off, and the process returns to step S2;

s4: control device judgesTime for washing feet T₁Whether the preset time threshold value T is reached or not is judged, if yes, the step S5 is carried out;

s5: the control device starts the submersible pump, judges whether the working time T3 of the submersible pump reaches a preset time threshold T2, if so, closes the submersible pump, and goes to step S6;

s6: the control device starts the drying device to work, judges whether the working time T5 of the drying device reaches a preset time threshold T4 or not, and if so, closes the drying device and the double-shaft worm and gear motor to finish washing feet.

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