KR101958750B1 - Patient bed to prevent foot drop and bedsore - Google Patents

Abstract

The present invention relates to a patient's bed for preventing foot-and-mouth disease and pressure ulcer, comprising a frame, a mattress coupled to the top of the frame, a footboard for supporting the patient's foot, An arm connecting the footboard and the frame, a receiver receiving the signal, a controller receiving the signal from the receiver, and an operation unit controlled by the controller. Therefore, it is possible to prevent the problem of foot-and-mouth problems caused by atrophy of the leg muscles and prevent the pressure ulcer at the same time.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bed for preventing foot pressure and pressure ulcers,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a patient bed for preventing foot and mouth sores. More specifically, the footboard of the bed having the foot support unit can perform biaxial motion through the universal joint, thereby preventing the foot trouble caused by the atrophy of the leg muscles and inducing the flow of the endothelium through the deformable pad, ≪ / RTI >

Patients with paralysis caused by cerebrovascular disease are weakened by muscle paralysis around the ankle joint due to paralysis of the nervous system. As a result, there is a gait pattern in which ankle dorsiflexion / depression and inversion / exclusion are not performed voluntarily when walking. In other words, due to the stiffness paralysis of the plantar flexor, the feet move to the foot or toe without reaching the ground at the initial stance. In order to compensate for this, the paralysis patient has a circumduction gait, which leads to an ineffective gait such as slow walking speed and high energy consumption.

A foot drop is a symptom of a nervous system paralysis in which the muscles around the ankle are not able to lift their feet due to small or missing muscle activity. The cause of foot injuries is that the activity of the anterior tibialis muscle around the ankle due to paralysis of the central and peripheral nervous system is not achieved normally, especially in patients with spastic paralysis.

Functional electrical stimulation and ankle-foot orthosis (AFO) can be used as a way to improve the walking pattern of the elderly patients.

Functional electrical stimulation has been anticipated as a permanent orthopedic device with electrical stimulation using short-duration electrical pulses to induce contraction of the muscles. However, the electric stimulation method is not only a personalized device through continuous trial and error, but also can not be worn for a long time because muscle function changes due to muscle fatigue during walking. In addition, the functional electrical stimulation method is difficult to apply to the gait where the walking cycle and the muscle function change depending on the environment and the walking speed.

Ankle leg orthosis is most commonly used as a physical assistant device to improve the walking of the elderly patient. In general, the leg support device has a configuration in which the calf support portion and the foot support portion surround the calf and foot, and the calf support portion and the foot support portion are connected by a hinge joint.

Conventional short leg orthoses are designed to assist the patient in walking with a short leg orthosis. However, in patients who have been seriously injured by a major accident, there is a case in which there is no consciousness and the ankle motion can not be performed for a long time, resulting in foot injuries. In such a case, since the patient can not walk without consciousness, there is a problem that the footrest can not be prevented only by mounting the leg support apparatus.

In addition, even when the patient wears a short leg orthosis to prevent foot injuries, the leg portion is less likely to move in a patient such as a leg fracture. As a result, there is a problem that a long period of pressure is applied to a portion of the calf lower limb that contacts the bottom surface of the calf or the foot, the blood circulation is not smooth, and a pressure ulcer occurs.

In order to overcome the above problems, a bed apparatus for preventing the footload of the patient lying in the bed is being developed. US-A-2007-0169271 discloses a functional bed for preventing foot-and-mouth disease. And a moving mat on the foot area to prevent foot injuries.

However, the conventional functional bed has a problem that the radius of movement of the foot of the patient is limited, and the foot-and-mouth can not be effectively prevented. In addition, there is a problem that the mat may come into contact with the legs of the patient continuously, and a pressure ulcer may occur. Therefore, a new type of foot-and-mouth protection device is needed.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a patient's bed for preventing foot-and-mouth disease and a pressure ulcer, wherein a footboard of a bed having a foot supporting part can biaxially move through a universal joint, . This feature prevents the problem of foot-and-mouth problems caused by atrophy of the leg muscles and prevents the pressure ulcer.

In order to achieve the above object, according to the present invention, there is provided a bed for preventing feet and bedsores comprising a frame, a mattress coupled to an upper portion of the frame, a footboard for supporting a patient's foot, An arm connecting the footboard and the frame, a receiver receiving the signal, a controller receiving the signal from the receiver, and an operation unit controlled by the controller.

In addition, the bed for preventing foot drop and pressure ulcer according to the present invention further includes a universal joint connecting the arm and the footboard, and having two rotation shafts.

In addition, the operation part of the bed for preventing the foot and the pressure ulcer according to the present invention includes a rotation operation part, and the rotation operation part drives the footboard.

In addition, according to the present invention, when the operation signal is input to the receiving unit, the control unit transmits an operation signal to the rotation operation unit, so that the footboard performs biaxial motion around the universal joint, When the stop signal is inputted, the control unit transmits an operation stop signal to the rotation operation unit, so that the footboard stops the biaxial motion.

In addition, according to the present invention, when the predetermined operation time and the operation period of the footboard are input to the transmitter, the bed for preventing the foot drop and the pressure ulcer is biaxially moved according to the operation time and the operation period.

In addition, the foot support portion of the bed for preventing the foot drop and the pressure ulcer according to the present invention includes an endothelium contacting the bottom of the foot, a sheath, and a pad disposed between the endothelium and the sheath.

In addition, the operation part of the bed for preventing foot drop and the pressure ulcer according to the present invention includes a pad operation part, and the pad operation part induces the deformation of the shape of the endothelium by allowing the fluid to flow in and out of the pad.

In addition, the pad operation portion of the bed for preventing foot drop and pressure ulcer according to the present invention includes a passage connected with the pad, a valve for controlling the amount of fluid passing through the passage, and a pump for supplying the fluid.

In addition, in the bed for preventing foot drop and pressure ulcer according to the present invention, when an operation signal is input to the receiving unit, the control unit transmits an operation signal to the pad operation unit, the valve is opened, the pump is driven, The control unit transmits an operation stop signal to the pad operation unit, the valve is closed, and the driving of the pump is stopped.

According to the present invention, when the predetermined operation time and the operation period of the pad operation unit are input to the transmitter, the bed for preventing the foot drop and the pressure ulcer prevents the fluid from flowing into the pad according to the operation time and the operation cycle .

In addition, the operating part of the bed for preventing the foot and the pressure ulcer according to the present invention includes a vibration operating part, and the vibration operating part is located between the inner and outer pads to provide vibration to the inner surface.

The bed for preventing foot infections and pressure ulcers according to the present invention comprises a frame, a mattress coupled to the upper part of the frame, a footboard supporting the patient's foot, a foot support coupled to one side of the footboard and contacting the bottom of the patient's foot, A universal joint having two rotation shafts, and an arm coupled to the frame, a receiver receiving the signal, a control unit receiving a signal from the receiver, an operation unit controlled by the control unit, And the pressure unit senses the pressure on the bottom surface of the foot and transmits a pressure signal to the receiving unit.

According to another aspect of the present invention, there is provided a pressure unit of a bed for preventing foot pressure and a pressure ulcer comprising a pressure sensing unit contacting a bottom surface of a foot, a pressure sensing unit connected to a pressure sensing unit, a pressure sensor generating a pressure signal when a pressure applied to the pressure sensing unit is constant, And a pressure signal transmitter for transmitting the pressure signal to the receiver.

In addition, the operation part of the bed for preventing foot drop and pressure ulcer according to the present invention includes a rotation operation part for causing the footboard to biaxial motion around the universal joint, and the rotation operation part is operated by the pressure signal.

According to the patient bed for preventing the foot drop and the pressure ulcer according to the present invention, the operation unit can be operated by inputting the operation signal to the transmission unit, so that the foot load and the pressure ulcer can be prevented.

In addition, due to the rotation operation part of the operation part of the patient bed for preventing the foot drop and the pressure ulcer according to the present invention, the footboard can be biaxially moved to prevent the foot drop of the patient.

In addition, according to the present invention, since the pad operation part of the operation part of the patient's bed for preventing the foot bath and the pressure ulcer prevents the fluid from flowing into the pad, it can induce shape deformation of the endothelium.

In addition, according to the present invention, vibrations are generated due to vibration parts of the operating part of the patient's bed for preventing the foot drop and the pressure ulcer, thereby preventing the pressure ulcer of the patient.

In addition, according to the present invention, it is possible to operate the operating part of the bed for the patient by the patient's bed for preventing the foot drop and the pressure ulcer, so that even in the case of a patient without unconsciousness, .

In addition, an automation system capable of inputting a predetermined operation time and an operation cycle of the operation unit to a transmission unit of a patient bed for preventing foot drop and pressure ulcer according to the present invention, , Especially in the sleeping time of a patient or a non-patient, thereby increasing the safety of the patient.

In addition, according to the automation system of the patient's bed for preventing the foot-and-mouth disease and the pressure ulcer according to the present invention, even if the operation unit operates, inputting the operation suspension signal to the transmission unit can stop the operation of the operation unit, .

In addition, the efficiency of shape deformation of the pad can be maximized by the forward driving unit or the backward driving unit connected to the pump of the patient bed for preventing the foot drop and the pressure ulcer according to the present invention.

In addition, the passive unit connected to the receiving unit of the patient bed for preventing the foot drop and the pressure ulcer according to the present invention is advantageous in that safety can be increased because the operation of the operating unit can be arbitrarily stopped.

In addition, due to the pressure unit of the patient bed for preventing the foot drop and the pressure ulcer according to the present invention, when the malfunction of the patient bed is detected by itself, the operation unit is operated again, and the advantage of the feedback system can be exhibited .

In addition, since the alarm part of the patient bed for preventing the foot drop and the pressure ulcer according to the present invention is constructed, the safety of the patient is increased.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a patient bed for preventing a foot drop and a pressure ulcer according to the present invention. FIG.
2 is a front perspective view of a footboard of a patient's bed for preventing foot-and-mouth disease and bedsores according to the present invention.
3 is a rear perspective view of a footboard of a patient bed for preventing foot drop and bedsores according to the present invention.
FIG. 4 is a schematic diagram showing a signal transmission system of a patient's bed for preventing foot-and-mouth disease and pressure ulcer according to the present invention.
5 is a cross-sectional view of one point of the foot support body of a patient's bed for preventing foot drop and pressure ulcer according to the present invention.
FIG. 6 is a schematic diagram showing a pressure signal delivery system of a pressure unit of a patient bed for preventing foot-and-mouth disease and pressure ulcer according to the present invention.
Figure 7 relates to a calf support and a calf support to prevent pressure ulcer and pressure ulcer according to the present invention.
Figure 8 relates to an example of the use of a patient's bed to prevent foot drop and bedsore according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention and methods of achieving them will be apparent with reference to the embodiments described in detail below with reference to the drawings. However, the present invention is not limited to the embodiments described below, but may be implemented in various forms. In the following embodiments, the terms first, second, and the like are used for the purpose of distinguishing one element from another element, not the limitative meaning. Also, the singular expressions include plural expressions unless the context clearly dictates otherwise. Also, the terms include, including, etc. mean that there is a feature, or element, recited in the specification and does not preclude the possibility that one or more other features or components may be added. Also, in the drawings, for convenience of explanation, the components may be exaggerated or reduced in size. For example, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of explanation, and thus the present invention is not necessarily limited to those shown in the drawings.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like or corresponding components throughout the drawings, and a duplicate description thereof will be omitted .

1 is a perspective view showing a patient bed according to the present invention. Hereinafter, the constituent elements of the patient's bed for preventing the foot-and-mouth disease and the pressure ulcer according to the present invention and their characteristics will be described with reference to FIG.

The patient bed for preventing the foot drop and the pressure ulcer according to the present invention comprises a frame 100, a mattress 200, a footboard 300, a foot support 400, an arm 500, an operation unit 600, 610, a receiving unit 620, a pressure unit 640, a link unit 700, and a calf support unit 800.

The frame 100 refers to a general frame constituting a skeleton of a bed, and is not limited to any shape. As an example, it is preferable that the form has four bed legs. A mattress 200 is coupled to the upper portion of the frame 100. The mattress 200 is preferably a known mattress 200 having a rectangular parallelepiped shape having a predetermined thickness. At one point on the mattress 200, the calf support 900 is engaged. This will be described later in Fig.

The footboard 300 serves to support the patient ' s feet when the patient is lying on the mattress 200. [ The footboard 300 according to the present invention is combined with the foot support portion 400, while the conventional footboard serves to simply hold the foot on the patient. This will be described in detail with reference to FIG.

2 shows a front perspective view of a footboard 300 of a patient bed according to the present invention.

The footboard 300 is preferably perpendicular to the mattress 200 and positioned to be parallel to the bottom of the patient's feet 2. So as to support it in a stable posture when the patient is putting the foot (2) on the footboard (300).

The shape of the footboard 300 is not limited, but is preferably a rectangular parallelepiped shape having a predetermined thickness as shown in Fig. A foot support 400 is coupled to the front of the footboard 300. At this time, it is preferable that the foot supporting part 400 is a pair so as to support both feet of the patient.

The foot support portion 400 includes a foot support body 410, a heel support portion 420, and a foot band portion 430. The foot support body 410 is in contact with the bottom surface of the patient's foot 2. One surface of the foot supporting body 410 is in contact with the bottom surface of the patient's foot 2 and the other surface of the foot supporting body 410 is in contact with the footboard 300. The shape of the foot support body 410 is not limited, but is preferably an elliptical shape having a predetermined thickness as shown in Fig.

Preferably, the heel support portion 420 is coupled to the end portion of the foot supporting body 410 and has a shape protruding forward to face the patient on the basis of Fig. So as to form a shape that surrounds the patient ' s heel. Since the feet 2 of the patient are gravitationally moved in the Y-axis lower direction on the basis of FIG. 2, the heel supporter 420 supports the feet. With this structure, the patient can put the entire foot 2 over the foot support portion 400.

The foot band portion 430 serves to surround the foot when the foot 2 of the patient comes into contact with the foot support body 410. So as to more firmly fix the position when the patient places the foot 2 on the foot support body 410 and the heel support portion 420. [

As will be described later, the footboard 300 is capable of biaxial movement in the X-axis direction and the Y-axis direction on the basis of FIG. This biaxial motion allows the patient ' s feet 2 to move. Therefore, the patient naturally performs the ankle motion, and the foot-and-mouth disease can be prevented. In other words, unlike the conventional walking and walking support device, it is advantageous in that the footrest can be prevented even when the user is lying on the bed. Particularly, it can be usefully used in a patient who is in a state of unconsciousness. This biaxial motion operation is performed by the universal joint 710, and reference is made to Fig. 3 for the detailed description.

3 shows a rear perspective view of a footboard 300 of a patient bed for preventing foot drop and bedsores according to the present invention.

The link portion 700 and the arm 500 are coupled to the back of the footboard 300 of the patient bed according to the present invention. In addition, the link portion 700 includes a universal joint 710 and rings 720 and 721.

The arm 500 serves to connect the footboard 300 and the frame 100 together. One end of the arm 500 is coupled to one point of the frame 100 and the other end is coupled with one end of the universal joint 710. [ At this time, the arm 500 is made of a rigid material so as to fix the position of the footboard 300 spaced apart from the frame 100 by a predetermined distance. When the user holds the arm 500 and applies a large force, It is preferable that the material is a deformable material. When the shape of the arm 500 is deformed, the position of the footboard 300 is adjusted. Because of this feature, the position of the footboard 300 can be adjusted in a customized manner according to the body size of the patient.

Referring to the enlarged view of FIG. The enlarged view is an enlarged view of the coupling structure of the link portion 700. The arm 500 is coupled to one end of the universal joint 710 and the footboard 300 is coupled to the other end of the universal joint 710 to connect the arm 500 and the footboard 300, Lt; / RTI > At this time, it is preferable that the first ring 720 is coupled between the one end of the universal joint 710 and the arm 500. To prevent wear and to increase the lifetime of the device according to the present invention. The second ring 721 is preferably coupled between the other end of the universal joint 710 and the footboard 300 with the same function.

A universal joint is a joint tool that can freely change the angles of two axes, enabling biaxial motion. 3, the universal joint 710 includes a pair of U-shaped joints 711, a ball 713 inserted into the intersection and a U-shaped joint 713, There is a fixing pin 712 for forming a fixing pin. Thus, the footboard 300 is capable of biaxial movement (reference x, y axis in FIG. 3) by universal joint 710 with respect to the arm 500 in a fixed position.

Due to this structure, the patient's foot 2 coupled to the front portion of the footboard 300 becomes movable in correspondence with the biaxial movement of the footboard 300. In the case of the x-axis movement of the footboard 300, the muscles near the left and right peach bones of the ankle are continuously used based on the ankle of the patient. In the case of the y-axis movement, Will continue to be used. Because of this feature, most of the muscles present in the ankle of the patient can be used and have an excellent effect in preventing foot injuries.

At this time, a rotation operation unit 601 for driving the receiving unit 620, the control unit 610, and the footboard 300 is coupled to the rear surface of the footboard 300. The rotation operation unit 601 is one of the configurations of the operation unit 600 of the patient bed for preventing the foot drop and the pressure ulcer according to the present invention (see FIG. 4). The pad operating portion 602 and the vibrating operating portion 603, which are the remaining components of the operating portion 600, will be described later in detail. Each of the operating portions 600 has a different component, The purpose is to prevent foot injuries and pressure ulcers.

The rotation operation unit 601 serves to drive the footboard 300. In addition, the rotation operation unit 601 serves to provide a driving force to the biaxial motion of the footboard 300. The conventional short leg orthosis has been designed for a patient who is capable of walking, but the object of the present invention is to prevent the feet and bedsores of a patient who can not move the foot 2 on his / A means that can be driven by force is needed.

The rotation operation section 601 includes a motor section 6011, a link section 6012, and a drive section 6013. As shown in FIG. 3, the driving unit 6013 may be coupled to the footboard 300, and the motor unit 6011 may be located outside. At this time, the shapes of the motor unit 6011, the link unit 6012 and the driving unit 6013 are not limited, and the driving board 603 may perform a function of providing the driving force so that the footboard 300 can move in two directions.

The motor portion 6011 provides a force for moving the footboard 300, and is a driving force source. At this time, it is preferable that the motor unit 6011 includes a transmission / reception system (not shown) for receiving signals from a motor (not shown) and a control unit 610. Since the motor and the transmission / reception system are well known in the art, a detailed description thereof will be omitted. It is preferable that the transmission / reception system for receiving signals from the pad operation unit 602, the vibration operation unit 603, Do.

The motor unit 6011 is coupled to the link unit 6012 to transmit the driving force to the link unit 6012 and the link unit 6012 is coupled to the driving unit 6013 to transmit the driving force to the driving unit 6013. 3, it is preferred that the link portion 6012 includes a ball screw and a ball nut. The rotational motion of the motor unit 6011 is changed into a linear motion by a ball screw and a ball nut to change the moving distance and the moving direction according to the rotation amount of the motor unit 6011 and the rotational direction . The driving unit 6013 serves as a transmitter for directly transmitting the force transmitted from the link unit 6012 to the footboard 300.

The rotation operation unit 601 drives the footboard 300, so that the patient can perform ankle motion, thereby preventing foot drop. At this time, the rotation operation unit 601 can be operated by automatic transmission and reception, which will be described later.

The pad operating portion 602 includes a valve 6021, a pump 6022, and a flow path 6023 (see FIG. 4). The components and functions of the pad operation unit 602 will be described with reference to Fig.

FIG. 5 is a side view of a point on the upper side of the foot supporting body 410, and FIGS. 5 (a) and 5 (b) show deformations of the pad and the inner skin due to inflow of fluid. In this case, since the sectional structure of the foot supporting body 410 described below is the same as the sectional structure of the calf supporting body 810 described later, only the foot supporting body 410 will be described in order to avoid redundant description.

The foot support body 410 includes an inner skin 410a, an outer skin 410b, and a pad 410c. The inner skin 410a is brought into contact with the bottom surface of the patient's foot 2. [ Since the inner skin 410a is in direct contact with the skin, it is preferable to use a soft material, especially a cloth material. Due to such a material, the inner skin 410a can be deformed in shape.

The envelope 410b is where it abuts against the footboard 300 and serves to protect the feet 2 of the patient. Therefore, it is preferable to use a material of a hard material, and it is preferable that the envelope 410b can not deform its shape.

The pad 410c is positioned between the inner skin 410a and the outer skin 410b. The pad 410c in the present invention is designed to allow the fluid F to flow in and out of the pad 410c and is designed to be deformed due to the flow of the fluid F. [ Here, fluid (F) generally refers to air.

At this time, it is preferable that fine holes (not shown) are formed on both sides of the pad 410c (left and right sides in FIG. 5) so that the fluid F can partially pass therethrough. The fluid F flowing into the pad 410c through the fluid passage 6023 to be described later is passed through the through hole and the fluid F is brought into contact with the bottom surface of the patient's foot 2. As a result, the patient feels a cool feeling and can provide satisfaction in use.

One end of the pad 410c (the upper part of the reference in FIG. 5) is connected to the flow path 6023 of the pad operating portion 602. One end of the flow path 6023 is connected to and connected to one end of the pad 410c through the flow path coupling port 6024 and the other end of the flow path 6023 is connected to the pump 6022. [ The pump 6022 is preferably located in the vicinity of the patient bed according to the present invention, but is not limited to a specific location. Since the pump 6022 is a known pump for supplying the fluid F, a description of the shape of the pump 6022 is omitted.

In addition, the flow path 6023 protrudes outside the foot support portion 400, and is not limited to a specific shape. At this time, it is preferable that the other end of the pad 410c (lower reference in FIG. 5) is closed. This is because the shape of the pad 410c may be deformed when the fluid F introduced through the flow path 6023 is isolated.

When the external fluid F flows into the pad 410c through the pump 6022, the pad 410c is inflated by the fluid F. [ When the pad 410c is inflated, the envelope 410b is not deformed in shape due to the material. Since the inner skin 410a is made of a soft material, the shape of the inner skin 410a is deformed corresponding to the expansion of the pad 410c. Due to this feature, a pressure different from that before the injection of the fluid F is applied to the bottom surface of the patient's foot 2, which abuts the inner surface 410a.

In the case of the pressure ulcer, a certain pressure is exerted on the skin, and the blood circulation is not smooth and the tissue is necrotic. Especially, as shown in Fig. 8, it is a disease that occurs in a patient (P1) lying on a bed without any consciousness. Therefore, in order to prevent the pressure ulcer, it is necessary to change the pressure applied to the skin.

When a patient uses a patient's bed for preventing foot-and-mouth disease and a pressure ulcer according to the present invention, the inflow and outflow of the fluid F forms a shape of the pad 410c, Thereby inducing shape deformation. As a result, the pressure applied to the bottom surface of the patient's foot 2 can be changed to prevent the pressure ulcer. That is, there is an advantage that the foot pressure can be prevented and the pressure ulcer can be prevented. In particular, it can be effectively used for a patient P1 having no consciousness that ankle motion can not be performed by the self-assist as shown in FIG.

At this time, it is preferable that a valve 6021, which is a component of the pad operating part 602, is coupled to one point of the flow path 6023. The valve 6021 according to the present invention controls the flow rate of the fluid F generated from the pump 6022. Therefore, when the valve 6021 is opened, the fluid F generated from the pump 6022 flows into the pad 410c through the passage 6023. [ When the valve 6021 is closed, the valve 6021 closes the flow path, and the fluid F generated from the pump 6022 can not flow into the pad 410c.

When the fluid F is continuously supplied, the pad 410c comes to a stage where it can no longer expand due to the limit of the capacity to accommodate the fluid F. If the pad 410c is no longer inflated, the shape of the pad 410c will not be deformed, making it impossible to perform the function of the patient's bed according to the present invention to prevent the bedsore. There is also a possibility that the pad 410c may explode. Therefore, the inflow amount of the fluid F inside the pad 410c is controlled by the valve 6021 of the pad operation unit 602, thereby continuously performing the function of preventing the pressure ulcer of the patient's bed according to the present invention can do. In addition, there is an advantage that the risk of explosion is reduced and the safety of the patient bed is increased. At this time, opening and closing of the valve 6021 and driving and stopping of the pump 6022 are performed by an operation signal or an operation stop signal generated from the controller 610, which will be described later.

At this time, it is preferable that the forward driving part 6022a and the reverse direction driving part 6022b are coupled to the pump 6022. [ The shapes of the forward driving portion 6022a and the reverse driving portion 6022b are not limited. The forward drive unit 6022a controls the pump 6022 to cause the fluid F to flow into the pad 410c and the reverse drive unit 6022b to flow the fluid F toward the pump 6022. [ The shape is deformed even when the fluid F escapes due to the characteristics of the pad 410c. Therefore, due to the configuration of the forward driving part 6022a and the reverse direction driving part 6022b, the fluid F can be flowed into and out of the pad 410c and the pressure change applied to the pad 410c can be varied have. This has the advantage of increasing the efficiency of prevention of the bedsore.

The vibration operation portion 603 is positioned and coupled between the inner skin 410a and the pad 410c. It is preferable that the vibration operating portion 603 includes a vibrator. The vibrator refers to a device that generates vibrations on its own, and is not limited to any one shape. The vibration generated in the vibration operation portion 603 is transmitted to the inner skin 410a and the vibration transmitted to the inner skin 410a is transmitted to the bottom surface of the patient's foot 2 in contact with the inner skin 410a. These vibrations provide a tremor effect and the pressure applied continuously due to the tremor phenomenon can be changed to prevent the pressure ulcer.

Therefore, the rotation operation portion 601 of the operation portion 600 prevents the foot drop, and the pad operation portion 602 and the vibration operation portion 603 function to prevent the pressure ulcer. In this way, since it is possible to prevent the foot drop and prevent the pressure ulcer at the same time, it can be particularly useful for patients who are unconscious.

The operation unit 600 is sequentially connected to the control unit 610 and the receiving unit 620. Accordingly, the rotation operation unit 601, the pad operation unit 602, and the vibration operation unit 603 in the operation unit 600 are sequentially connected to the control unit 610 and the reception unit 620, respectively.

FIG. 4 is a schematic diagram showing a signal transmission system of a patient's bed for preventing foot-and-mouth disease and pressure ulcer according to the present invention. Hereinafter, functions of the controller 610 and the receiver 620 according to the present invention will be described in detail with reference to FIG.

The control unit 610 converts a signal transmitted from the receiving unit 620 to generate a control signal and transmits the control signal to the operation unit 600. The control unit 610 includes an amplification unit 611, an A / D converter 612, an operation processing unit 613, and a control signal generation unit 614, for example.

The amplification unit 611 amplifies the signal transmitted from the reception unit 620. Thereafter, the A / D converter 612 converts the amplified output signals into a digital signal. The digital signal is transmitted to the control signal generation unit 614 via the operation processing unit 613 and the control signal generation unit 614 generates a control signal for controlling the operation unit 600.

The receiving unit 620 receives a signal wirelessly from an external transmitting unit 630. The receiving unit 620 transmits the signal received from the transmitting unit 630 to the control unit 610.

At this time, when the transmitting unit 630 transmits the operation signal of the signal to the receiving unit 620, the receiving unit 620 transmits the received operation signal to the control unit 610. [ The operation signal transmitted to the control unit 610 is transmitted to the operation unit 600 via the amplification unit 611 and the control signal generation unit 614 in the control unit 610.

The rotation operation unit 601 in the operation unit 600 receives an operation signal from the control signal generation unit 614. [ The transmission / reception system in the rotation operation unit 601 receives the operation signal. The rotation operation unit 601 is driven on the basis of the transmitted operation signal so that the footboard 300 moves biaxially about the universal joint 710 of the link unit 700.

In this manner, the operation unit 600 can be operated only by the operation signal transmitted from the transmission unit 630, thereby preventing a foot injury. Therefore, it is possible to operate the operation portion 600 of the patient bed according to the present invention without any motion by the patient. That is, even in the case of a patient who is unconscious, an operation signal may be input to the transmission unit 630 by a person to prevent a foot-and-mouth disease.

In the case of the pad operation unit 602, an operation signal is received from the control signal generation unit 614. The transmission and reception system in the pad operation unit 602 receives the operation signal and transmits it to the operating system for adjusting the valve 6021 and the pump 6022. [ Here, the operation system for controlling the opening of the valve 6021 and the driving of the pump 6022 is well known in the art, and a description thereof will be omitted. As a result, the valve 6021 is opened, and the pump 6022 is driven to supply the fluid F into the pad 410c.

In the case of the vibration operation unit 603, the operation signal is received from the control signal generation unit 614. The transmission / reception system in the vibration operation unit 603 receives the operation signal and transmits it to the operation system that controls whether the vibration operation unit 603 is driven or not. As a result, the vibration operating portion 603 is driven and the vibration is provided to the inner film 410a.

In addition, the transmitter 630 can transmit an operation stop signal to the receiver 620. [ When the transmitter 630 transmits an operation stop signal to the receiver 620, the receiver 620 transmits the received operation stop signal to the controller 610. The operation stop signal transmitted to the control unit 610 is transmitted to the operation unit 600 through the amplification unit 611 and the control signal generation unit 614 in the control unit 610.

The rotation operation unit 601 in the operation unit 600 receives the operation stop signal. At this time, the transmission / reception system in the rotation operation unit 601 receives this. Through the transmitted operation stop signal, the footboard 300 no longer performs biaxial motion.

In the case of the pad operation unit 602, the operation stop signal is received from the control signal generation unit 614. The transceiving system in pad operation 602 receives the shutdown signal and communicates it to an operating system that regulates valve 6021 and pump 6022. As a result, the valve 6021 is closed, the driving of the pump 6022 is stopped, and the fluid F is not supplied into the pad 410c.

In the case of the vibration operation section 603, the operation stop signal is received from the control signal generation section 614. The transmission / reception system in the vibration operation unit 603 receives the operation stop signal, thereby stopping the operation of the vibration operation unit 603 and providing no further vibration to the endothelial membrane 410a.

In this manner, whether the operation unit 600 is driven or not is determined according to the operation signal and the operation stop signal. Accordingly, since it is possible to determine whether the operation unit 600 is driven according to the needs of the sender, it is advantageous that the autonomy is increased and the safety is increased.

When the operation unit 600 inputs the predetermined operation time S and the operation period T of the operation unit 600 to the transmission unit 630, the operation unit 600 receives the predetermined operation time S and the operation period T . Here, the predetermined operation time (S) and the operation period (T) are preferably an operation time of 10 minutes to 15 minutes and an operation time of 1 hour to 1 hour and 15 minutes, for example.

When the operating unit 600 is operated for more than 15 minutes, fatigue can be accumulated in the patient, and if the operating unit 600 is operated for less than 10 minutes, the effect of preventing foot injuries is insignificant. In addition, if the operation period exceeds 1 hour and 15 minutes and the operation unit 600 is operated, it may interfere with the sleep of the patient. If the operation unit 600 is operated for less than 1 hour, the power consumption may be excessive.

Such an operation time and an operation period provide an optimum condition to the patient and enable the operation section 600 to be driven efficiently.

When a non-patient inputs a predetermined operation time S and an operation period T of the operation unit 600 to the transmission unit 630, the reception unit 620 receives the above signal and transmits the signal to the control unit 610 And the control unit 610 controls the operation unit 600 to operate according to the input operation time S and the operation period T. [ That is, the automation system of the operation unit 600 of the patient bed according to the present invention can be constructed.

Because of this feature, when the non-patient inputs a predetermined operation time S and an operation period T, the operation unit 600 is operated periodically, so that the sleep time of the patient or the non-patient It can be useful. This is because it is not necessary to manually check the state of the patient every time and manually input an operation signal or an operation stop signal. As a result, the efficiency of operation of the apparatus is increased and the safety of the patient is increased by periodically driving the apparatus even at the sleeping time.

An embodiment of each component of the operation unit 600 is as follows. In the case of the rotation operation unit 601, the footboard 300 is driven to biaxial motion according to the set operation time S and the operation period T. [ In the case of the pad operation unit 602, the fluid F is caused to flow in and out of the pad 410c according to the set operation time S and the operation period T. Further, in the case of the vibration operation portion 603, the vibration operation portion 603 provides vibration in accordance with the set operation time S and the operation period T. [

The shape of the control unit 610 and the receiving unit 620 are not limited to any one shape. The control unit 610, the receiving unit 620 and the processing unit 642 of the pressure unit 640 to be described later are coupled to the rear surface of the footboard 300, It is preferable that they are arranged side by side in the longitudinal direction. When they are joined together in the lengthwise direction, they are excellent in appearance, and when any one of the components is malfunctioned, they are aligned on the rear surface of the footboard 300, so that it can be confirmed quickly and the safety of the patient is increased. In addition, signal receiving strength from the transmitting unit 630 increases, and signal transmission occurs at positions close to each other, so that signal transmission between the respective components is advantageous.

It is preferable that the passive unit 650 is coupled to the receiving unit 620 (see FIG. 3). The passive unit 650 is coupled to a point on the back surface of the footboard 300 and is connected to the receiving unit 620. The manual unit 650 serves as a manual power source. The transmission unit 630 transmits the operation signal or the operation stop signal directly to the receiving unit 620 instead of the signal transmission by the transmission unit 630. Therefore, in the case of a patient who is conscious but inconvenienced in leg motion, a patient other than the patient does not drive the patient bed according to the present invention through the transmitting unit 630, Signal or an operation stop signal, thereby driving the patient bed according to the present invention. Therefore, there is an advantage that it is possible to prepare for an urgent situation when a person other than a patient is absent.

It is preferable that the pressure unit 640 is connected to the receiving unit 620 (see FIG. 4). Reference will be made to FIG. 6 to describe this in detail. Figure 6 is a pressure signal delivery system of a pressure unit of a patient bed for preventing foot drop and pressure ulcer according to the present invention.

The pressure unit 640 includes a pressure sensing unit 641 and a processing unit 642. The processing unit 642 includes a pressure sensing unit 642a, a pressure signal generating unit 642b, and a pressure signal transmitting unit 643c .

5, the pressure sensing portion 641 is preferably coupled to the endothelium 410c to directly contact the bottom surface of the patient ' s feet 2. [ So that the pressure sensing unit 641 can grasp the pressure change degree. When the pressure applied from the patient's foot 2 to the pressure sensing unit 641 changes, the pressure sensing unit 641 generates a voltage and transmits it to the pressure sensing unit 642a. As an example of the pressure sensing unit 641, a piezoelectric element (piezo electric) may be used. The processing unit 642 is preferably coupled to the rear surface of the footboard 300 and the pressure sensing unit 641 and the processing unit 642 are connected by an electric wire L. [ The shape and arrangement of the electric wire L shown in the drawings are, in one embodiment, not necessarily limited to the shape.

Based on the voltage information transmitted from the pressure sensing unit 641, the pressure sensing unit 642a digitizes the degree of change of the voltage and senses it. At this time, if the voltage is not transmitted from the pressure sensing unit 641, the pressure sensing unit 642a transmits the information to the pressure signal generating unit 642b.

The pressure signal generator 642b generates a pressure signal. Here, the pressure signal is the same as the operation signal for operating the operation unit 600. The generated pressure signal is transmitted to the receiver 620 through the transmitter 643c. The receiving unit 620 receives the pressure signal and operates the operating unit 600 with the same mechanism as when receiving the operating signal from the transmitting unit 630.

The fact that the voltage is not transmitted to the pressure sensing unit 642a means that the pressure applied to the pressure sensing unit 641 is constant so that the operation unit 600 can not perform the operation function, it means. Therefore, when the pressure unit 640 is used in the patient bed according to the present invention, the operation unit 600 is operated again by detecting the malfunction of the bed for patient, so that the advantage of the feedback system can be exhibited. . In addition, since the patient bed is operated without regular check, there is an advantage that the safety of the patient is increased.

The pressure unit 640 is preferably connected to an alarm unit 660. The alarm unit 660 can receive the pressure signal. And activates an alarm device (not shown) in the alarm unit 660 based on the received pressure signal to generate a certain sound in the surroundings. Such an alarm device has an advantage that the safety of the patient can be increased because it can be notified to the person near the patient that the alarm device is not operated.

In addition, the alarm unit 660 notifies the user of the malfunctioning of the patient bed in the smartphone application or PC of the non-patient through an alarm transmitting apparatus (not shown). Such an alarm transmitting apparatus has a merit that a patient who checks a patient can immediately check the condition of the patient bed, thereby increasing the safety of the patient.

At this time, the alarm unit 660 is preferably coupled to the rear surface of the footboard 300. It is to receive the pressure signal smoothly. Further, it is preferable that they are arranged side by side in the longitudinal direction with the control unit 610, the receiving unit 620, and the processing unit 642. This is to improve the reception strength.

FIG. 7 is a view showing a calf support portion 800 of a patient's bed for preventing foot-and-mouth disease and a pressure ulcer according to the present invention. The calf support 800 is preferably coupled to the mattress 200 and coupled to be recessed relative to the surface of the mattress 200. Considering the convex shape of the calf, to provide an optimal posture when the patient P1 is lying on the bed.

The calf support portion 800 includes a calf support portion body 810 and a calf band portion 820. The calf support base body 810 serves to receive the shin and calf of the leg 1 when the patient P1 is lying down.

At this time, the bottom of the calf support body 810 also includes a laminated structure of an endothelial (not shown), a sheath (not shown) and a pad (not shown) like the foot support body 410, . Accordingly, the pad operation unit and the vibration operation unit can be combined and perform the same functions as the pad operation unit and the vibration operation unit coupled to the foot support body 410. Each function should be omitted in order to avoid redundant description.

The calf band portion 820 corresponds to the foot band portion 430 of the foot supporting portion and functions to tightly secure the calf of the patient P1 when the calf of the patient P1 comes into contact with the calf support portion main body 810.

8 shows an example of the use of a patient bed according to the present invention.

The most commonly used hospital bed in accordance with the present invention is a hospital. Usually, the patient P1 using the patient bed according to the present invention is a patient P1 who is unconscious or unable to exercise legs by himself or herself and is lying on the bed. The person P2 who treats the patient then joins the legs 1 and feet 2 of the patient P1 to the calf support portion 800 and the foot support portion 400 according to the present invention.

The transmitter 630 of the person P2 who is to treat the patient can be, for example, a smartphone application. When an operation signal is input to the smartphone application, the operation signal is transmitted to the receiver 620 wirelessly. The operation signal received by the receiver 620 is transmitted to the controller 610 and the controller 610 controls the operation unit 600 to drive the operation unit 600. Thus, the ankle motion can be continuously performed irrespective of the consciousness of the patient P1 lying on the bed, and the feet can be prevented. In addition, since it is possible to prevent a foot-and-mouth disease only by inputting an operation signal of a person P2 who is consulting a patient, there is an advantage that a separate device occupying a space is not required.

Further, when the person P2 who is consulting the patient wants to stop the operation of the operation unit 600, the operation stop signal is input to the smartphone application. The input operation stop signal is wirelessly transmitted to the receiver 620, and the operation stop signal received by the receiver 620 is transmitted to the controller 610. The control unit 610 may stop the operation of the operation unit 600 by controlling the operation unit 600. [

In the case of the person P2 or the patient P1 sleeping, the predetermined operation time S and the operation period T of the operation unit 600 are preliminarily input to the smartphone application, So that the operation unit 600 is operated. This automation has the advantage of reducing the risk of accidents and reducing unnecessary labor. However, the transmitting unit 630 is not necessarily limited to the above example, and may be another communication device such as a PC.

The embodiments of the present invention described above can be implemented in the form of program instructions that can be executed through various computer components and recorded in a computer-readable recording medium. The computer-readable recording medium may include program commands, data files, data structures, and the like, alone or in combination. The program instructions recorded on the computer-readable recording medium may be those specifically designed and configured for the present invention or may be those known and used by those skilled in the computer software arts. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROM and DVD, magneto-optical media such as floptical disks, medium, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code, such as those generated by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware device may be modified into one or more software modules for performing the processing according to the present invention, and vice versa.

The specific acts described in the present invention are, by way of example, not intended to limit the scope of the invention in any way. For brevity of description, descriptions of conventional electronic configurations, control systems, software, and other functional aspects of such systems may be omitted. Also, the connections or connecting members of the lines between the components shown in the figures are illustrative of functional connections and / or physical or circuit connections, which may be replaced or additionally provided by a variety of functional connections, physical Connection, or circuit connections. Also, unless explicitly mentioned, such as " essential ", " importantly ", etc., it may not be a necessary component for application of the present invention.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification, but should be defined by the claims.

100 ... frame 200 ... mattress
300 ... footboard 400 ... foot support
500 ... arm 600 ... operating portion
700 ... link portion 800 ... calf support

Claims (14)

frame;
A mattress coupled to an upper portion of the frame;
A footboard supporting the patient's feet;
A foot support coupled to one side of the footboard and contacting the bottom of the foot of the patient;
An arm connecting the footboard and the frame;
A receiving unit for receiving a signal;
A control unit receiving a signal from the receiving unit; And
And an operation unit controlled by the control unit,
Further comprising a universal joint connecting the arm and the footboard, the universal joint having two rotation axes,
Wherein the operation portion includes a rotation operation portion,
The rotation operation unit includes:
Characterized in that the footboard is driven,
When an operation signal is input to the receiver,
The control unit transmits an operation signal to the rotation operation unit, causing the footboard to biaxially move only the ankle around the universal joint,
Wherein the biaxial motion of the ankle includes:
An X-axis movement for moving the ankle to the left and right to use muscles near the peach bone, and a Y-axis movement for moving the ankle upward and downward to fold the foot and using muscles near the Achilles tendon With features,
When an operation stop signal is input to the receiver,
Wherein the control unit transmits an operation stop signal to the rotation operation unit to stop the biaxial motion of the footboard,
When the predetermined operation time and the operation period of the footboard are input to the transmitter,
Wherein the footboard is biaxially moved according to the operation time and the operation period,
The foot-
An inner skin contacting the bottom surface of the foot;
coat; And
And a pad disposed between the inner and outer sheaths
Patient bed to prevent foot-and-mouth disease and pressure ulcer. delete delete delete delete delete The method according to claim 1,
Wherein the operating portion includes a pad operating portion,
The pad operation unit includes:
And introducing the fluid into and out of the pad to induce the deformation of the shape of the endothelium
Patient bed to prevent foot-and-mouth disease and pressure ulcer. 8. The method of claim 7,
The pad operation unit includes:
A channel connected to the pad;
A valve for regulating an amount of the fluid passing through the flow path; And
And a pump for supplying the fluid
Patient bed to prevent foot-and-mouth disease and pressure ulcer. 9. The method of claim 8,
When an operation signal is input to the receiver,
The controller transmits an operation signal to the pad operation unit,
The valve is opened, the pump is driven,
When an operation stop signal is input to the receiver,
The controller transmits an operation stop signal to the pad operation unit,
The valve is closed and the drive of the pump is stopped.
Patient bed to prevent foot-and-mouth disease and pressure ulcer. 10. The method of claim 9,
When a predetermined operation time and an operation period of the pad operation unit are input to the transmission unit,
And the pad operation part causes the fluid to flow in and out of the pad according to the operation time and the operation period
Patient bed to prevent foot-and-mouth disease and pressure ulcer. 11. The method of claim 10,
Wherein the operation portion includes a vibration operation portion,
Characterized in that the oscillation operating portion is located between the inner skin and the pad to provide vibration to the inner skin
Patient bed to prevent foot-and-mouth disease and pressure ulcer. delete delete delete

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