CN209809410U - Hip-knee joint replacement postoperative rehabilitation training device with induced sound production function - Google Patents

Abstract

The utility model discloses a hip-knee joint replacement postoperative rehabilitation training device with an induction sounding function, which relates to the technical field of medical rehabilitation articles and comprises an angle adjusting turntable, a foot rest and a plurality of leg fixing parts; the rehabilitation training device can not only play a role in fixing and protecting a common fixing brace, but also can accurately tell whether the bending or straightening angle of the knee and the raised height of the straight leg after hip replacement meet the preset requirements or not, if the bending or straightening angle and the raised height meet the preset requirements, a voice prompt is given, if the bending or straightening angle and the raised height do not meet the preset requirements, the patient can clearly know that much effort is needed; meanwhile, medical care personnel save a great deal of time to do other work; the patient is discharged to home and carries the rehabilitation training device, the angle or the height of functional exercise is set according to a rehabilitation plan formulated by a doctor, the patient does not need to worry about the problem that the angle or the height are insufficient or excessive, and professional rehabilitation can be well carried out at home.

Description

Hip-knee joint replacement postoperative rehabilitation training device with induced sound production function

The technical field is as follows:

the utility model relates to a medical treatment rehabilitation articles for use technical field, concretely relates to hip knee joint replacement postoperative rehabilitation training device with response vocal function.

Background art:

the hip-knee joint replacement is a prosthesis similar to human bone joints made of metal materials with good biocompatibility and mechanical properties, and the artificial joint is replaced by a joint surface damaged by diseases or injuries by using an operation method, so that the aims of removing a focus, eliminating pain and recovering the activity and the original functions of the joint are fulfilled; the artificial joint replacement has the advantages of good joint movement, capability of moving in the field in early stage, reduction of complications of the old patients lying in bed for a long time and the like; the therapeutic effects of hip and knee joint replacement have been well established and developed as a reliable treatment for over thirty years of clinical practice, and the main purposes of artificial joint replacement are to relieve joint pain, correct deformity, and restore and improve joint motor function.

At present, when a patient after hip-knee joint replacement does functional exercise after operation, the flexion and extension of a joint can hardly reach a standard angle or a standard height, and the conventional hip joint functional exercise method comprises the following steps: standing on one leg of a patient, lifting the other leg of the patient forwards, wherein the lifting height is up to 45-60cm from the ground, the height is up to the standard, the height is adjusted properly according to the recovery condition of the patient from 5cm or 10cm in the early stage of functional exercise; the conventional functional exercise method for the knee joint is as follows: keeping a patient in a sitting posture or a lying posture, straightening one leg of the patient, bending the lower leg towards the inner side of the body, wherein the bending angle of the general patient is required to reach 90-120 degrees in the functional exercise, starting from 10 degrees or 20 degrees in the early stage of the functional exercise of the patient, and properly adjusting the angle according to the recovery condition of the patient until the angle reaches 90-120 degrees; the angle or height which cannot reach or exceed the standard requirement is not beneficial to the recovery of joint functions, even injuries can be caused, so that the current optimal mode is to perform functional exercise under the one-to-one guidance of professional medical care personnel, the effect can be ensured, the injuries caused by over exercise can be avoided, but the current work of clinical medical care personnel is tense, the method cannot ensure that each patient can perform one-to-one guidance and training, and the functional exercise of the patient after leaving the hospital is difficult to achieve the standard and effective implementation at home, the joint recovery effect is usually poor and even not ideal, the purpose of the patent design is to ensure that the medical care personnel can not perform the guidance on the patient one-to-one, save a large amount of time to do other work, and the hospital can also save corresponding labor cost; secondly, the patient is discharged to home with the functional exercise device, the angle or height of the daily functional exercise is set according to a rehabilitation plan formulated by a doctor or a rehabilitation therapist, the patient can take exercise according to the rehabilitation plan, the problem that the angle or height is insufficient or excessive is not needed to be worried, and the patient can well perform professional rehabilitation if the patient is at home with a light and loose state.

The invention content is as follows:

the utility model aims at solving the problem mentioned above and providing a hip-knee joint replacement postoperative rehabilitation training device with induction and sounding function.

The utility model adopts the following technical scheme to realize the purpose of the invention: a hip-knee joint replacement postoperative rehabilitation training device with an induced sounding function comprises an angle adjusting turntable, a foot rest and a plurality of leg fixing parts, wherein the leg fixing parts are distributed on the upper side and the lower side of the angle adjusting turntable; the leg fixing part consists of a sponge cushion layer, a bandage and a bandage fixing bracket, a female magic tape is arranged on the inner side of one end of the bandage, and a male magic tape is arranged on the whole outer surface of the bandage; the angle adjusting turntable comprises an upper support, an upper support turntable, a turntable rotating shaft, a shifting fork, a lower support turntable, a lower support and a sponge knee pad, the upper support is fixedly connected with the upper support turntable, the lower support turntable is fixedly connected with the lower support, the upper support turntable and the lower support turntable are arranged in parallel through the turntable rotating shaft and can rotate relative to the turntable rotating shaft, two supporting points of the shifting fork are arranged on the turntable rotating shaft, the shifting fork wraps the outer parts of the upper support turntable and the lower support turntable and can rotate relative to the turntable rotating shaft, and the sponge knee pad is arranged on the inner side of the angle adjusting turntable; a fixed contact is arranged at the joint of the upper bracket and the upper bracket turntable, angle scale lines are arranged on the outer surface of the upper bracket turntable, a movable contact and a shifting fork positioning knob are arranged on the shifting fork, the movable contact is arranged on the outer side of the upper surface of the shifting fork, and the shifting fork positioning knob is arranged in the middle of the outer side of the shifting fork; the positions of the fixed contact and the movable contact are positioned on the same circumference with the rotating shaft of the turntable as the center of a circle; the foot rest comprises an extension plate and a pedal plate, the inner surface of the extension plate is provided with a foot rest mounting magic tape, and the foot rest is mounted by the foot rest mounting magic tape and the sub magic tape in a sticking way; the angle adjustment carousel inserts through upper bracket or lower carriage and realizes the fixed mounting with a plurality of shank fixed parts between bandage and the bandage fixed bolster.

Preferably, the outer surface of the sponge cushion layer is an outer binding surface of the sponge cushion layer, the bandage limiting fence and an inner binding surface of the bandage fixing support are arranged on the bandage fixing support, and the bandage penetrating hole is formed in the bandage limiting fence; the bandage passes the bandage on the bandage restriction fence and passes the fixed relative position with the bandage restriction fence of hole through the fixed relative position that laminates each other of the interior laminating face of bandage fixed bolster and the outer laminating face of sponge cushion during the installation of sponge cushion.

Preferably, the foot rest further comprises a height sensing device, and the height sensing device is arranged at the bottom of the outer side of the extension plate; the height sensor is installed on the central rotating shaft and can freely rotate around the central rotating shaft.

Preferably, when the fixed contact is in contact with the movable contact, and the angle scale mark corresponding to the upper surface of the shifting fork is 0 degree, the upper support is parallel to the lower support, the leg of the patient is in a straight state, the difference between the two adjacent angle scale marks is 10 degrees, and the maximum degree is 120 degrees.

Preferably, the shifting fork positioning knob can position the shifting fork on the lower support turntable, so that the shifting fork and the lower support turntable move synchronously.

Preferably, the hip-knee joint replacement postoperative rehabilitation training device with the induction sound production function further comprises an induction signal processor and a multimedia sound production device, wherein the induction signal processor is communicated with the multimedia sound production device through a lead; the fixed contact and the movable contact are respectively connected with the induction signal processor through leads, and the height sensor is connected with the induction signal processor through leads; when the rehabilitation training after knee joint replacement is carried out, when the fixed contact is in contact with the movable contact, the induction signal processor receives signals and sends sounding instructions to the multimedia sounding device, and the multimedia sounding device sends out sounds such as notes, songs and encouragement sentences; when the rehabilitation training after hip replacement is carried out, when the induction height of the height inductor reaches a preset value, the induction signal processor receives a signal and sends a sounding instruction to the multimedia sounding device, and the multimedia sounding device sends out sounds such as notes, songs and encouragement sentences; the two rehabilitation training modes are mutually independent and can be automatically switched, and the induction signal processor only receives and processes corresponding induction signals.

Preferably, the induction signal processor also has a counting function, when the fixed contact and the movable contact are contacted once, the induction signal processor counts once and sends a sound-producing instruction to the multimedia sound-producing device, and the multimedia sound-producing device sends sounds of corresponding times; when the sensing height of the height sensor reaches a preset value every time, the sensing signal processor counts once and sends a sounding instruction to the multimedia sounding device, and the multimedia sounding device sends sounds for corresponding times.

By adopting the technical scheme, the utility model discloses better realize its purpose, this rehabilitation training device after hip-knee joint replacement with induced sound function simple structure, this rehabilitation training device can never only play the fixed protect function of general fixed brace, its main advantage lies in can telling patient's knee flexion or extension angle and hip joint replacement back straight leg height whether raised and reached the requirement of predetermineeing very accurately, as long as reached set angle and height will have voice prompt, if do not reach set angle and height and just not have the suggestion, the patient will know clearly that oneself still needs much effort; meanwhile, medical care personnel can be guided without holding the patient one by one, so that a large amount of time is saved for doing other work, and corresponding labor cost can be saved for hospitals; the patient is discharged to home and carries the rehabilitation training device, the angle or the height of function exercise every day is set according to a rehabilitation plan made by a doctor or a rehabilitation therapist, the patient does exercise according to the rehabilitation plan, the problem that the angle or the height is insufficient or excessive is avoided, and professional rehabilitation can be well carried out at home by loosening and loosening.

Description of the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a right side view of the overall structure of the present invention.

Fig. 3 is a schematic structural view of the leg fixing portion 1 of the present invention.

Fig. 4 is a schematic structural diagram of the angle adjusting turntable 2 of the present invention.

Fig. 5 is a front view of the angle adjusting dial 2 of the present invention.

Fig. 6 is a schematic structural view of the foot rest 3 of the present invention.

The reference numbers are described in the last page of the specification.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings:

example 1:

the invention content and the attached drawings show that the rehabilitation training device with the function of sound induction after hip-knee replacement comprises an angle adjusting turntable 2, a foot rest 3 and a plurality of leg fixing parts 1, wherein the leg fixing parts 1 are distributed on the upper side and the lower side of the angle adjusting turntable 2; the leg fixing part 1 consists of a sponge cushion layer 1-1, a bandage 1-2 and a bandage fixing support 1-3, the bandage fixing support 1-3 connects and fixes the sponge cushion layer 1-1 and the bandage 1-2 at a relative position, a female magic tape 1-2-1 is arranged on the inner side of one end of the bandage 1-2, and a male magic tape 1-2-2 is arranged on the whole outer surface of the bandage 1-2; the angle adjusting turntable 2 comprises an upper bracket 2-1, an upper bracket turntable 2-2, a turntable rotating shaft 2-3, a shifting fork 2-4, a lower bracket turntable 2-5, a lower bracket 2-6 and a sponge kneepad 2-7, the upper support 2-1 is fixedly connected with an upper support rotary table 2-2, the lower support rotary table 2-5 is fixedly connected with a lower support 2-6, the upper support rotary table 2-2 and the lower support rotary table 2-5 are arranged in parallel through a rotary table rotary shaft 2-3 and can rotate relative to the rotary table rotary shaft 2-3, two fulcrums of a shifting fork 2-4 are arranged on the rotary table rotary shaft 2-3, the shifting fork 2-4 is wrapped outside the upper support rotary table 2-2 and the lower support rotary table 2-5 and can rotate relative to the rotary table rotary shaft 2-3, and a sponge knee pad 2-7 is arranged on the inner side of the angle adjusting rotary table 2; a fixed contact 2-1-1 is arranged at the joint of the upper bracket 2-1 and the upper bracket turntable 2-2, an angle scale mark 2-2-1 is arranged on the outer surface of the upper bracket turntable 2-2, a movable contact 2-4-2 and a shifting fork positioning knob 2-4-1 are arranged on the shifting fork 2-4, the movable contact 2-4-2 is arranged on the outer side of the upper surface of the shifting fork 2-4, and the shifting fork positioning knob 2-4-1 is arranged in the middle of the outer side of the shifting fork 2-4; the positions of the fixed contact 2-1-1 and the movable contact 2-4-2 are positioned on the same circumference with the rotating shaft 2-3 of the rotating disc as the center of a circle; the foot stand 3 comprises an extension plate 3-1 and a pedal plate 3-2, the inner surface of the extension plate 3-1 is provided with a foot stand mounting magic tape 3-1-1, and the foot stand 3 is attached and mounted with a sub magic tape 1-2-2 through the foot stand mounting magic tape 3-1-1; the angle adjusting rotary disc 2 is inserted between the bandage 1-2 and the bandage fixing bracket 1-3 through the upper bracket 2-1 or the lower bracket 2-6 to realize the fixed installation with a plurality of leg fixing parts 1.

As shown in the attached figure 3, the outer surface of the sponge cushion layer 1-1 is an outer binding surface 1-1-1 of the sponge cushion layer, the bandage limiting column 1-3-1 and the inner binding surface 1-3-2 of the bandage fixing support are arranged on the bandage fixing support 1-3, and the bandage penetrating hole 1-3-1-1 is arranged on the bandage limiting column 1-3-1; when the sponge cushion layer 1-1 is installed, the binding bands are used for fixing the mutual binding and fixing relative positions of the inner binding surface 1-3-2 of the bracket and the outer binding surface 1-1-1 of the sponge cushion layer; the binding belt (1-2) passes through the binding belt through hole (1-3-1-1) on the binding belt limiting column (1-3-1) to be fixed at the position opposite to the binding belt limiting column (1-3-1).

As shown in the attached figure 6, the foot rest 3 further comprises a height sensing device 3-3, and the height sensing device 3-3 is arranged at the bottom of the outer side of the extension plate 3-1; the height sensor comprises connecting blocks 3-3-1, a central rotating shaft 3-3-2 and a height sensor 3-3-3, wherein the central rotating shaft 3-3-2 is connected and installed between the two oppositely installed connecting blocks 3-3-1, the height sensor 3-3-3 is installed on the central rotating shaft 3-3-2 and can freely rotate around the central rotating shaft 3-3-2, and the height sensor 3-3-3 is always vertical to the ground due to the influence of the self weight of the height sensor 3-3-3, so that the accuracy of height sensing is guaranteed.

Preferably, when the fixed contact 2-1-1 is in contact with the movable contact 2-4-2 and the angle scale mark 2-2-1 corresponding to the upper surface of the shifting fork 2-4 is 0 degree, the upper bracket 2-1 is parallel to the lower bracket 2-6, the leg of the patient is in a straightened state, the difference between the numbers of degrees of the two adjacent angle scale marks 2-2-1 is 10 degrees, and the maximum number of degrees is 120 degrees.

Preferably, the shifting fork positioning knob 2-4-1 can position the shifting fork 2-4 on the lower support turntable 2-5, so that the shifting fork 2-4 and the lower support turntable 2-5 move synchronously.

Preferably, the hip-knee joint replacement postoperative rehabilitation training device with the induction sound production function further comprises an induction signal processor and a multimedia sound production device, wherein the induction signal processor is communicated with the multimedia sound production device through a lead; the fixed contact 2-1-1 and the movable contact 2-4-2 are respectively connected with an induction signal processor through leads, and the height sensor 3-3-3 is connected with the induction signal processor through leads; when the rehabilitation training after knee joint replacement is carried out, when the fixed contact 2-1-1 is contacted with the movable contact 2-4-2, the induction signal processor receives signals and sends a sound production instruction to the multimedia sound production device, and the multimedia sound production device sends out sounds such as musical notes, songs and encouragement sentences; when the rehabilitation training after hip replacement is carried out, when the induction height of the height inductor 3-3-3 reaches a preset value, the induction signal processor receives a signal and sends a sounding instruction to the multimedia sounding device, and the multimedia sounding device sends out sounds such as notes, songs and encouragement sentences; the two rehabilitation training modes are mutually independent and can be automatically switched, and the induction signal processor only receives and processes corresponding induction signals.

Preferably, the induction signal processor also has a counting function, and when the fixed contact 2-1-1 and the movable contact 2-4-2 are contacted once, the induction signal processor counts once and sends a sound-producing instruction to the multimedia sound-producing device, and the multimedia sound-producing device sends sounds of corresponding times; when the induction height of the height sensor 3-3-3 reaches a preset value every time, the induction signal processor counts once and sends a sounding instruction to the multimedia sounding device, and the multimedia sounding device sends sounds for corresponding times.

The angle adjusting mode of the angle adjusting rotary disc 2 is as follows: firstly, straightening the legs of a patient, enabling the upper support 2-1 and the lower support 2-6 to be in a parallel state, shifting the shifting fork 2-4 to enable the upper surface of the shifting fork to correspond to a rehabilitation training angle specified by a doctor, then screwing the shifting fork positioning knob 2-4-1 to position the shifting fork 2-4 on the lower support turntable 2-5, and enabling the shifting fork 2-4 and the lower support turntable 2-5 to move synchronously.

The using method of the hip-knee joint replacement postoperative rehabilitation training device with the induced sound production function comprises the following steps: unfastening the bandage 1-2, opening the plurality of leg fixing parts 1 to be tiled, placing the legs of the patient on the tiled rehabilitation training device, aligning the angle adjusting turntable 2 with the knee joint, adjusting the positions of the plurality of leg fixing parts 1, tying the bandage 1-2, and attaching and installing the foot stand 3 with the sub-magic tapes 3-1-1 and 1-2-2 through the foot stand installation magic tapes; when the knee joint rehabilitation training is carried out, the rehabilitation training angle is adjusted according to the method, the legs of the patient start to bend inwards from the straight state until the fixed contact 2-1-1 is contacted with the movable contact 2-4-2, the multimedia sound generating device generates sound, the legs of the patient recover to the straight state, the inward bending action is repeated until the number of the legs meets the requirements of doctors, and the training is stopped; when hip joint rehabilitation training is carried out, the angle scale mark 2-2-1 corresponding to the upper surface of the shifting fork 2-4 is adjusted to be 0 degree, at the moment, the upper support 2-1 is parallel to the lower support 2-6, the fixed contact 2-1-1 is in contact with the movable contact 2-4-2, the leg of a patient is limited to be always in a straight state, the foot of the patient is lifted forwards from a grounding state, when the sensing height of the height sensor 3-3-3 reaches a preset value, the multimedia sound generating device sends out sound, the foot of the patient returns to the grounding state, the forward lifting action is repeated until the number required by a doctor is met, and the training is stopped.

It is clear that modifications and/or additions of parts may be made to the hip-knee replacement post-operative rehabilitation training device with induced acoustic emission and to the corresponding method as described heretofore, without departing from the field and scope of the present invention.

It is also clear that, although the present invention has been described in detail with reference to the accompanying drawings, a person skilled in the art shall certainly be able to achieve many other equivalent forms of assembly and corresponding method for a hip-knee replacement surgery rehabilitation training device with acoustic induction function, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

Claims (10)

1. A hip and knee joint replacement postoperative rehabilitation training device with an induced sounding function is characterized by comprising an angle adjusting turntable (2), a foot rest (3) and a plurality of leg fixing parts (1), wherein the leg fixing parts (1) are distributed on the upper side and the lower side of the angle adjusting turntable (2); the angle adjusting rotary table (2) comprises an upper support (2-1), an upper support rotary table (2-2), a rotary table rotating shaft (2-3), a shifting fork (2-4), a lower support rotary table (2-5), a lower support (2-6) and a sponge knee pad (2-7), the upper support (2-1) is fixedly connected with the upper support rotary table (2-2), the lower support rotary table (2-5) is fixedly connected with the lower support (2-6), the upper support rotary table (2-2) and the lower support rotary table (2-5) are arranged in parallel through the rotary table rotating shaft (2-3) and can rotate relative to the rotary table rotating shaft (2-3), two fulcrums of the shifting fork (2-4) are arranged on the rotary table rotating shaft (2-3), and the shifting fork (2-4) is wrapped outside the upper support rotary table (2-2) and the lower support rotary table (2-5) and can rotate relative to the rotary table rotating 2-3), the sponge kneepads (2-7) are arranged on the inner side of the angle adjusting turntable (2); a fixed contact (2-1-1) is arranged at the joint of the upper bracket (2-1) and the upper bracket turntable (2-2), an angle scale mark (2-2-1) is arranged on the outer surface of the upper bracket turntable (2-2), a movable contact (2-4-2) and a shifting fork positioning knob (2-4-1) are arranged on the shifting fork (2-4), the movable contact (2-4-2) is arranged on the outer side of the upper surface of the shifting fork (2-4), and the shifting fork positioning knob (2-4-1) is arranged in the middle of the outer side of the shifting fork (2-4); the positions of the fixed contact (2-1-1) and the movable contact (2-4-2) are positioned on the same circumference with the rotating shaft (2-3) of the rotating disc as the center of a circle.

2. The post-hip-knee replacement rehabilitation training device with the induced sound production function according to claim 1, the leg fixing part (1) is characterized by consisting of a sponge cushion layer (1-1), a bandage (1-2) and a bandage fixing support (1-3), the outer surface of the sponge cushion layer (1-1) is an outer binding surface (1-1-1) of the sponge cushion layer, a female magic tape (1-2-1) is arranged on the inner side of one end of the bandage (1-2), a sub magic tape (1-2-2) is arranged on the whole outer surface of the bandage (1-2), a bandage limiting column (1-3-1) and an inner binding surface (1-3-2) of the bandage fixing support are arranged on the bandage fixing support (1-3), and a bandage penetrating hole (1-3-1-1) is formed in the bandage limiting column (1-3-1); when the sponge cushion layer (1-1) is installed, the inner joint surface (1-3-2) of the bracket and the outer joint surface (1-1-1) of the sponge cushion layer are fixed at the relative positions through mutual joint and fixation by a binding band; the binding belt (1-2) passes through the binding belt through hole (1-3-1-1) on the binding belt limiting column (1-3-1) to be fixed at the position opposite to the binding belt limiting column (1-3-1).

3. The rehabilitation training device after hip and knee joint replacement with the function of sound induction according to claim 1, characterized in that the foot rest (3) comprises an extension plate (3-1), a foot pedal (3-2) and a height induction device (3-3), the inner surface of the extension plate (3-1) is provided with a foot rest mounting magic tape (3-1-1), and the height induction device (3-3) is arranged at the bottom of the outer side of the extension plate (3-1); the height sensor is composed of connecting blocks (3-3-1), a central rotating shaft (3-3-2) and a height sensor (3-3-3), wherein the central rotating shaft (3-3-2) is connected and installed between the two oppositely installed connecting blocks (3-3-1), and the height sensor (3-3-3) is installed on the central rotating shaft (3-3-2) and can freely rotate around the central rotating shaft (3-3-2); the foot stand (3) is installed by attaching the magic tape (3-1-1) and the sub magic tape (1-2-2) through the foot stand installation.

4. The rehabilitation training device after hip-knee replacement with the function of sound induction according to claim 2, characterized in that the angle adjusting rotary table (2) is inserted between the bandage (1-2) and the bandage fixing bracket (1-3) through the upper bracket (2-1) or the lower bracket (2-6) to realize the fixed installation with the plurality of leg fixing parts (1).

5. The rehabilitation training device after hip and knee joint replacement with the function of sound induction according to claim 1, characterized in that when the fixed contact (2-1-1) is in contact with the movable contact (2-4-2), and the corresponding angle scale mark (2-2-1) on the upper surface of the shifting fork (2-4) is 0 degree, the upper support (2-1) is parallel to the lower support (2-6), the leg of the patient is in a straight state, the difference of the degrees of the two adjacent angle scale marks (2-2-1) is 10 degrees, and the maximum degree is 120 degrees.

6. The rehabilitation training device after hip-knee replacement with the function of sound induction according to claim 1, characterized in that the shifting fork positioning knob (2-4-1) can position the shifting fork (2-4) on the lower bracket turntable (2-5) to enable the shifting fork (2-4) and the lower bracket turntable (2-5) to move synchronously.

7. The post-hip-knee replacement rehabilitation training device with the induced sound production function as claimed in claim 1, wherein the post-hip-knee replacement rehabilitation training device with the induced sound production function further comprises an induced signal processor and a multimedia sound production device, and the induced signal processor is communicated with the multimedia sound production device through a wire; the fixed contact (2-1-1) and the movable contact (2-4-2) are respectively connected with the induction signal processor through leads.

8. The post-hip-knee replacement rehabilitation training device with the induced sound production function as claimed in claim 3, wherein the post-hip-knee replacement rehabilitation training device with the induced sound production function further comprises an induced signal processor and a multimedia sound production device, and the induced signal processor is communicated with the multimedia sound production device through a wire; the height sensor (3-3-3) is connected with the sensing signal processor through a lead.

9. The rehabilitation training device after hip and knee joint replacement with induced sound generation function as claimed in claim 7, wherein the induced signal processor further has a counting function, when the fixed contact (2-1-1) and the movable contact (2-4-2) are contacted each time, the induced signal processor counts once and sends a sound generation instruction to the multimedia sound generation device, and the multimedia sound generation device sends out sounds of corresponding times.

10. The rehabilitation training device after hip-knee joint replacement with induced sound generation function as claimed in claim 8, wherein the induced signal processor further has a counting function, when the induction height of the height sensor (3-3-3) reaches a preset value every time, the induced signal processor counts once and sends a sound generation instruction to the multimedia sound generation device, and the multimedia sound generation device sends out sounds of corresponding times.