CN115300795A - Biological intelligent physiotherapy instrument based on pulse current and physiotherapy method thereof - Google Patents

Abstract

The invention discloses a biological intelligent physiotherapy instrument based on pulse current, which comprises a robot body, wherein the robot body is electrically connected with a pulse physiotherapy contactor through a connecting wire; the pulse physiotherapy contactor comprises a shell, a skin lifting mechanism, a first electrode, a second electrode, a distance adjusting mechanism, a third electrode, a first electromagnetic valve and a flexible sealing ring; the skin lifting mechanism is elastically arranged in the accommodating cavity and comprises a lifting roller; the shell is matched with the lifting roller through a transmission piece; the second electrode is positioned on one side of the first electrode, and the thickness of the second electrode is smaller than that of the first electrode; the spacing adjusting mechanism is used for simultaneously driving the first electrode and the second electrode to synchronously and reversely move; the third electrode is elastically arranged in the accommodating cavity; the first electromagnetic valve is communicated with the accommodating cavity; the flexible sealing ring is arranged on the accommodating cavity in a surrounding manner; the invention realizes that the thickness of the sebum layer of a patient is detected before physical therapy, and physical therapy is carried out by adopting different physical therapy parameters according to the thickness information of the sebum layer, so that the physical therapy effect is better.

Description

Biological intelligent physiotherapy instrument based on pulse current and physiotherapy method thereof

Technical Field

The invention relates to the technical field of pulse physiotherapy, in particular to a biological intelligent physiotherapy instrument based on pulse current.

Background

The existing pulse physiotherapy instrument has single function, only contacts with skin through a patch type electrode, and utilizes medium and low frequency pulses generated by the pulse physiotherapy instrument to carry out electric pulse physiotherapy on the part of a patient needing physiotherapy.

However, the subcutaneous fat exists under the skin of a human body, and the accumulation thickness of the subcutaneous fat is also obviously different at different parts of the same patient, and the electrical conductivity of the subcutaneous fat is lower than that of the muscle.

In the existing pulse physiotherapy instrument, a worker cannot adjust physiotherapy parameters according to the actual subcutaneous fat thickness of a patient, so that the pulse physiotherapy effect is poor; therefore, the detection of the thickness of subcutaneous fat before physical therapy has important significance on the improvement of physical therapy effect.

Disclosure of Invention

The invention aims to overcome the defects and provide a biological intelligent physiotherapy instrument based on pulse current.

In order to achieve the purpose, the invention adopts the following specific scheme:

a biological intelligent physiotherapy instrument based on pulse current comprises a robot body, wherein the end parts of two arms of the robot body are electrically connected with a pulse physiotherapy contactor through a connecting wire;

the pulse physiotherapy contactor comprises a shell, a skin lifting mechanism, a first electrode, a second electrode, an interval adjusting mechanism, a third electrode, a first electromagnetic valve and a flexible sealing ring;

the bottom of the shell is inwards provided with an accommodating cavity; the skin lifting mechanism is elastically connected in the accommodating cavity and comprises two lifting rollers which are arranged at intervals, and the lifting rollers extend out of the accommodating cavity under the elastic action; driving parts are respectively arranged between the skin lifting mechanism and the shell corresponding to the two lifting rollers and are used for driving the lifting rollers to rotate; the two first electrodes are oppositely arranged in the accommodating cavity at intervals and are positioned above the space between the two lifting rollers; the two second electrodes are oppositely arranged in the accommodating cavity at intervals and are respectively positioned on one side of the corresponding first electrode, and the thickness of each second electrode is smaller than that of the corresponding first electrode; the distance adjusting mechanism is arranged on the shell and is used for simultaneously driving the two first electrodes and the two second electrodes to synchronously and reversely move; the two third electrodes are oppositely arranged in the accommodating cavity at intervals and are respectively positioned on the outer sides of the lifting rollers, and the third electrodes are elastically connected to the inner wall of the shell; the first electromagnetic valve is arranged at the top of the shell and is communicated with the accommodating cavity; the flexible sealing ring is arranged at the opening position of the accommodating cavity in a surrounding manner.

The skin lifting mechanism further comprises a lifting support, the lifting support is of a concave structure, a lifting roller wheel is rotatably connected to the lifting support, one end of the lifting roller wheel is fixedly sleeved with a first gear, the lifting support is rotatably connected with a second gear meshed with the first gear corresponding to each first gear, and the lifting support is rotatably connected with a third gear meshed with the second gear corresponding to each second gear; two first springs which are arranged at intervals are connected between the top of the lifting support and the inner top wall of the accommodating cavity;

the transmission part is a rack which is correspondingly fixed on the cavity wall of the accommodating cavity and meshed with the corresponding third gear.

The lifting roller is characterized by further comprising a second electromagnetic valve and a liquid supply pipe, wherein the second electromagnetic valve is fixed at the top of the shell, the liquid supply pipe is fixed in the accommodating cavity, one end of the liquid supply pipe is communicated with the second electromagnetic valve, a central hole is formed in the lifting roller in the axial direction, a plurality of through holes which are arranged in the radial direction are uniformly distributed on the roller surface of the lifting roller, the through holes are communicated with the central hole, a sponge pad is arranged in each through hole, and the other end of the liquid supply pipe is communicated with the central holes of the two lifting rollers.

Furthermore, a plurality of grooves are uniformly distributed on the roller surface of the lifting roller wheel along the circumferential direction, and the grooves extend along the axial direction of the lifting roller wheel.

The distance adjusting mechanism comprises a push rod, a hinged lifting frame and two sliding frames, the push rod is installed at the top of the shell, the hinged lifting frame is connected in the accommodating cavity in a lifting mode, the top of the hinged lifting frame can extend upwards out of the accommodating cavity and then is connected with the output end of the push rod, the two sliding frames are arranged at intervals and are connected in the accommodating cavity in a sliding mode, two ends of each sliding frame are movably hinged with the hinged lifting frame, the two first electrodes are correspondingly fixed on the two sliding frames, and the two second electrodes are correspondingly fixed on the two sliding frames.

Furthermore, the hinged lifting frame is provided with a strip-shaped hole which is obliquely arranged corresponding to each sliding frame, two ends of each sliding frame are correspondingly provided with hinged shafts, and the hinged shafts are hinged in the strip-shaped holes in a sliding mode.

Furthermore, the third electrode is fixed on an electrode support, and two ends of the electrode support are respectively and elastically connected with the shell through second springs.

The invention further comprises a pressing cover which is correspondingly fixed on the top of the shell.

The invention has the beneficial effects that: according to the invention, the first electrode and the second electrode are both arranged on the spacing adjusting mechanism, so that the skin is clamped by the first electrode, the thickness information of the sebum layer is obtained by the second electrode, the thickness of the sebum layer of a patient is detected before physiotherapy, different physiotherapy parameters are adopted for physiotherapy adaptively according to the thickness information of the sebum layer, and the third electrode is used for directly performing pulse physiotherapy on the sebum layer and the muscle layer, so that a better physiotherapy effect can be obtained.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the pulse therapy contactor of the present invention;

FIG. 3 is a schematic cross-sectional view of an impulse therapy contactor according to the present invention;

figure 4 is another schematic cross-sectional view of an impulse therapy contactor according to the present invention;

FIG. 5 is a schematic view of a portion of the construction of the impulse therapy contactor of the present invention;

FIG. 6 is a schematic structural view of the skin lifting mechanism of the present invention;

FIG. 7 is a schematic structural view of a spacing adjustment mechanism of the present invention;

description of reference numerals: 100. a robot body; 200. a connecting wire; 300. a pulse physical therapy contactor; 1. a housing; 2. a skin lifting mechanism; 21. lifting the support; 22. lifting the roller; 23. a first gear; 24. a second gear; 25. a third gear; 26. a first spring; 27. a sponge cushion; 3. a first electrode; 4. a second electrode; 5. a spacing adjustment mechanism; 51. a push rod; 52. hinging a lifting frame; 53. a carriage; 6. a third electrode; 7. a first solenoid valve; 8. a flexible sealing ring; 9. a transmission member; 10. a second solenoid valve; 20. a liquid supply tube; 30. an electrode holder; 40. a second spring; 50. and pressing the cover.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 7, the bio-intelligent physiotherapy apparatus based on pulse current according to the present embodiment includes arobot body 100, wherein the end portions of both arms of therobot body 100 are electrically connected to apulse physiotherapy contactor 300 through aconnection line 200; specifically, one end of theconnection line 200 is inserted into an arm end of therobot body 100, and the other end of theconnection line 200 is inserted into thepulse physiotherapy contactor 300, thereby facilitating the disassembly and assembly of thepulse physiotherapy contactor 300;

thepulse physiotherapy contactor 300 comprises ashell 1, askin lifting mechanism 2, afirst electrode 3, asecond electrode 4, adistance adjusting mechanism 5, athird electrode 6, a firstelectromagnetic valve 7 and aflexible sealing ring 8;

the bottom of theshell 1 is inwards provided with an accommodating cavity; theskin lifting mechanism 2 is elastically connected in the accommodating cavity, theskin lifting mechanism 2 comprises twolifting rollers 22 arranged at intervals, and thelifting rollers 22 extend out of the accommodating cavity under the elastic action; atransmission piece 9 is respectively arranged between theskin lifting mechanism 2 and theshell 1 corresponding to the twolifting rollers 22, and thetransmission piece 9 is used for driving thelifting rollers 22 to rotate; the twofirst electrodes 3 are oppositely arranged in the accommodating cavity at intervals and are positioned above the space between the twolifting rollers 22; the twosecond electrodes 4 are oppositely arranged in the accommodating cavity at intervals and are respectively positioned on one side of the correspondingfirst electrode 3, and the thickness of eachsecond electrode 4 is smaller than that of the correspondingfirst electrode 3; thedistance adjusting mechanism 5 is arranged on theshell 1 and is used for simultaneously driving the twofirst electrodes 3 and the twosecond electrodes 4 to synchronously and reversely move; the twothird electrodes 6 are oppositely arranged in the accommodating cavity at intervals and are respectively positioned at the outer side of thelifting roller 22, and thethird electrodes 6 are elastically connected to the inner wall of theshell 1; the firstelectromagnetic valve 7 is arranged at the top of theshell 1 and is communicated with the accommodating cavity; theflexible sealing ring 8 is arranged at the opening position of the accommodating cavity in a surrounding mode.

The working mode of the embodiment is as follows: when thepulse physiotherapy contactor 300 is in work, a worker holds thepulse physiotherapy contactor 300, places thepulse physiotherapy contactor 300 on the skin of a part, which needs to be treated by a patient, and presses the twolifting rollers 22 against the surface of the skin; then, a worker presses thepulse physiotherapy contactor 300 downwards to enable theshell 1 to move downwards relative to theskin lifting mechanism 2, at the moment, thetransmission piece 9 drives thelifting roller 22 to rotate, thelifting roller 22 pulls and accumulates the skin towards the middle of thepulse physiotherapy contactor 300 through the friction force between the roller surface and the skin in the rotating process, so that the part of the skin protrudes to form a shape which is similar to a normal distribution curve and is high in the middle and low in two sides, and a sealed space is formed between the accommodating cavity of thepulse physiotherapy contactor 300 and the skin until theflexible sealing ring 8 is pressed against the surface of the skin;

then therobot body 100 controls the pulsephysical therapy contactor 300 to work, the firstelectromagnetic valve 7 enables the sealed space to be communicated with an external vacuum generator, the sealed space is vacuumized, the pulsephysical therapy contactor 300 is enabled to be adsorbed on the surface of the skin, and meanwhile, in the downward movement process of theshell 1, thethird electrode 6 is attached to the surface of the skin; then thespacing adjustment mechanism 5 drives the twofirst electrodes 3 and the twosecond electrodes 4 to move oppositely, so that the raised skin is clamped between the twofirst electrodes 3, no skin exists between the twosecond electrodes 4, a capacitor taking air as a dielectric medium is formed between the twosecond electrodes 4, then therobot body 100 is connected with a circuit of the twosecond electrodes 4, the capacitance value C of the capacitor is measured, according to a formula D = epsilon S/C, where epsilon is the dielectric constant of air and S is the facing area of thethird electrode 6, the spacing D between the twosecond electrodes 4 is calculated, the thickness difference between thefirst electrodes 3 and thesecond electrodes 4 is h, and the thickness D of the skin sebum layer is (D-2 h)/2;

after the sebum layer thickness is measured, therobot body 100 sends a first pulse current with corresponding pulse intensity and pulse width to thefirst electrodes 3 according to the sebum layer thickness D, and pulse physiotherapy is carried out on the sebum layer clamped between thefirst electrodes 3; meanwhile, therobot body 100 sends a second pulse current with corresponding pulse intensity and pulse width to thethird electrode 6 according to the thickness D of the sebum layer, and performs pulse physiotherapy on a cortical layer and a muscle layer of a skin physiotherapy part, wherein the second pulse current is different from the first pulse current so as to obtain different physiotherapy effects;

after the physiotherapy time reaches the predetermined value, therobot body 100 disconnects the circuits of thefirst electrode 3, thesecond electrode 4 and thethird electrode 6, thedistance adjusting mechanism 5 drives the twofirst electrodes 3 and the twosecond electrodes 4 to move back to back, so that thefirst electrode 3 is separated from the skin to be contacted, then the firstelectromagnetic valve 7 enables the sealed space to be communicated with the outside atmosphere, thepulse physiotherapy contactor 300 releases the adsorption on the skin, and then the worker removes thepulse physiotherapy contactor 300 from the skin, so that the pulse physiotherapy process is completed.

This embodiment is through all installingfirst electrode 3 andsecond electrode 4 atinterval guiding mechanism 5, thereby utilizefirst electrode 3 to carry out the centre gripping to skin, utilizesecond electrode 4 to obtain the thickness information on skin lipid layer, realize detecting out patient's sebum layer thickness before the physiotherapy, thereby thickness information according to skin lipid layer, adaptability adopts different physiotherapy parameters to carry out the physiotherapy, directly carry out the pulse physiotherapy to skin layer and muscle layer throughthird electrode 6, thereby can obtain better physiotherapy effect, carry out the pulse physiotherapy to skin layer throughfirst electrode 3 simultaneously, promote subcutaneous adipocyte's metabolism, it still has certain positive effect to losing weight moulding.

As shown in fig. 2 to fig. 6, based on the above embodiment, further, theskin lifting mechanism 2 includes a liftingsupport 21, the liftingsupport 21 is in a concave structure, the liftingroller 22 is rotatably connected to the liftingsupport 21, one end of the liftingroller 22 is fixedly sleeved with afirst gear 23, asecond gear 24 engaged with thefirst gear 23 is rotatably connected to eachfirst gear 23 of the liftingsupport 21, and athird gear 25 engaged with thesecond gear 24 is rotatably connected to eachsecond gear 24 of the liftingsupport 21; twofirst springs 26 arranged at intervals are connected between the top of the liftingsupport 21 and the inner top wall of the accommodating cavity;

thetransmission member 9 is a rack, and the rack is correspondingly fixed on the cavity wall of the accommodating cavity and meshed with the correspondingthird gear 25.

During the in-service use, it presses on the skin surface to carry out the rollingwheel 22 of drawing,press casing 1 along with the staff, make the compression offirst spring 26, casing 1 carries out therelative support 21 downstream of drawing, casing 1 drives rack downstream, thethird gear 25 that the rack drive corresponds rotates,third gear 25 drivessecond gear 24 and rotates,second gear 24 drives throughfirst gear 23 and carries out the rollingwheel 22 rotation of drawing, thereby pull and pile up skin to the middle part ofpulse physiotherapy contactor 300, so that follow-upfirst electrode 3 andthird electrode 6 are respectively to the sebum layer, cortex layer and muscle layer carry out the pulse physiotherapy, thereby improve the physiotherapy effect, this embodiment is through setting up rack and gear drive cooperation, thereby it rotates to need not extra power to drive to carry out to draw rollingwheel 22.

As shown in fig. 2 to 5, based on the above embodiment, the portable electronic device further includes a secondelectromagnetic valve 10 and aliquid supply tube 20, the secondelectromagnetic valve 10 is fixed on the top of thehousing 1, theliquid supply tube 20 is fixed in the accommodating cavity, one end of theliquid supply tube 20 is communicated with the secondelectromagnetic valve 10, the pullingroller 22 is provided with a central hole along the axial direction, a plurality of through holes radially arranged are uniformly distributed on a roller surface of the pullingroller 22, the through holes are communicated with the central hole, asponge pad 27 is arranged in each through hole, and the other end of theliquid supply tube 20 is communicated with the central holes of the two pullingrollers 22.

Specifically, when thehousing 1 drives the rack to move downwards and drives the pullingrollers 22 to rotate through gear transmission, therobot body 100 controls the secondelectromagnetic valve 10 to work, theliquid supply tube 20 fills the conductive liquid into the central holes of the two pullingrollers 22, and thesponge pad 27 in the through hole absorbs the conductive liquid in the central hole, so that when the pullingrollers 22 rotate, the conductive liquid is coated on the surface of the skin in a scattered point-shaped distribution manner, the conductivity of the skin is enhanced, and the pulse physiotherapy effect is improved.

As shown in fig. 6, based on the above embodiment, a plurality of grooves are uniformly distributed on the roller surface of the pullingroller 22 along the circumferential direction, and the grooves extend along the axial direction of the pullingroller 22. Specifically, the grooves and thesponge pads 27 are alternately distributed, and the friction force between the liftingroller 22 and the skin is increased by arranging the grooves on the liftingroller 22, so that the effect of dragging and accumulating the skin by the liftingroller 22 is improved.

As shown in fig. 2 to 5 and 7, based on the above embodiment, further, thedistance adjusting mechanism 5 includes apush rod 51, a hingedlifting frame 52 and two slidingframes 53, thepush rod 51 is installed at the top of thehousing 1, the hingedlifting frame 52 is connected in the accommodating cavity in a lifting manner, the top of the hingedlifting frame 52 can extend upwards to protrude out of the accommodating cavity and then is connected with the output end of thepush rod 51, the two slidingframes 53 are arranged at intervals and are connected in the accommodating cavity in a sliding manner, specifically, the accommodating cavity is provided with sliding grooves on the side walls corresponding to the two ends of the slidingframe 53, the two ends of the slidingframe 53 are respectively connected in a sliding manner, the two ends of the slidingframe 53 are both movably hinged to the hingedlifting frame 52, the twofirst electrodes 3 are correspondingly fixed on the two slidingframes 53, the twosecond electrodes 4 are correspondingly fixed on the two slidingframes 53, and specifically, the outer side surfaces of thefirst electrode 3 and thesecond electrode 4 located on the same side are located on the same plane.

In this embodiment, the hingedlifting frame 52 is provided with a bar-shaped hole which is obliquely arranged corresponding to each slidingframe 53, specifically, the bar-shaped hole is obliquely inclined downwards towards the middle, hinged shafts are correspondingly arranged at two ends of each slidingframe 53, and the hinged shafts are slidably hinged in the bar-shaped holes.

During actual use, thepush rod 51 pulls the hingedlifting frame 52 to move upwards, the hingedlifting frame 52 drives the two slidingframes 53 to move oppositely through the matching of the strip-shaped holes and the hinged shafts, and the slidingframes 53 drive thefirst electrode 3 and thesecond electrode 4 to move oppositely, so that thefirst electrode 3 is utilized to clamp the convex skin, and the thickness of the sebum layer is detected.

As shown in fig. 2 to fig. 5, based on the above embodiment, further, thethird electrode 6 is fixed on anelectrode holder 30, and both ends of theelectrode holder 30 are elastically connected to thehousing 1 throughsecond springs 40, respectively. Specifically, after the pullingroller 22 is pressed on the skin surface, thehousing 1 moves downward relative to the pullingsupport 21, thehousing 1 simultaneously drives thethird electrode 6 to be pressed on the skin surface, and as thehousing 1 further moves downward, thesecond spring 40 is compressed to adapt to the situation that thehousing 1 drives the pullingroller 22 to rotate through the rack and gear transmission matching, so that the skin is pulled and accumulated.

As shown in fig. 1 to 4, based on the above embodiment, the present invention further includes apressing cover 50, and thepressing cover 50 is correspondingly fixed on the top of thehousing 1. Specifically, be provided with the interface that is used for connectingwire 200 to peg graft on thepress cap 50 topulse physiotherapy contactor 300's electrical connection, this embodiment is through setting uppress cap 50, so that the staff operation pressespulse physiotherapy contactor 300, convenient operation.

The above description is only a preferred embodiment of the present invention, and therefore, all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims (9)

1. A biological intelligent physiotherapy instrument based on pulse current is characterized by comprising a robot body (100), wherein the two arm ends of the robot body (100) are electrically connected with a pulse physiotherapy contactor (300) through a connecting wire (200);

the pulse physical therapy contactor (300) comprises a shell (1), a skin lifting mechanism (2), a first electrode (3), a second electrode (4), a distance adjusting mechanism (5), a third electrode (6), a first electromagnetic valve (7) and a flexible sealing ring (8);

the bottom of the shell (1) is inwards provided with an accommodating cavity; the skin lifting mechanism (2) is elastically connected in the accommodating cavity, the skin lifting mechanism (2) comprises two lifting rollers (22) which are arranged at intervals, and the lifting rollers (22) extend out of the accommodating cavity under the elastic action; a transmission piece (9) is arranged between the skin lifting mechanism (2) and the shell (1) and corresponds to the two lifting rollers (22), and the transmission piece (9) is used for driving the lifting rollers (22) to rotate; the two first electrodes (3) are oppositely arranged in the accommodating cavity at intervals and are positioned above the space between the two pulling rollers (22); the two second electrodes (4) are oppositely arranged in the accommodating cavity at intervals and are respectively positioned on one side of the corresponding first electrode (3), and the thickness of each second electrode (4) is smaller than that of the corresponding first electrode (3); the distance adjusting mechanism (5) is arranged on the shell (1) and is used for simultaneously driving the two first electrodes (3) and the two second electrodes (4) to synchronously and reversely move; the two third electrodes (6) are oppositely arranged in the accommodating cavity at intervals and are respectively positioned at the outer side of the lifting roller (22), and the third electrodes (6) are elastically connected to the inner wall of the shell (1); the first electromagnetic valve (7) is arranged at the top of the shell (1) and is communicated with the accommodating cavity; the flexible sealing ring (8) is arranged at the opening position of the accommodating cavity in a surrounding manner.

2. The bio-intelligent physiotherapy instrument based on the pulse current as claimed in claim 1, wherein the skin lifting mechanism (2) comprises a lifting support (21), the lifting support (21) is in a concave structure, the lifting roller (22) is rotatably connected to the lifting support (21), one end of the lifting roller (22) is fixedly sleeved with a first gear (23), the lifting support (21) is rotatably connected with a second gear (24) engaged with the first gear (23) corresponding to each first gear (23), and the lifting support (21) is rotatably connected with a third gear (25) engaged with the second gear (24) corresponding to each second gear (24); two first springs (26) which are arranged at intervals are connected between the top of the lifting support (21) and the inner top wall of the accommodating cavity;

the transmission piece (9) is a rack which is correspondingly fixed on the cavity wall of the accommodating cavity and meshed with the corresponding third gear (25).

3. The biological intelligent physiotherapy instrument based on the pulse current as claimed in claim 2, further comprising a second electromagnetic valve (10) and a liquid supply tube (20), wherein the second electromagnetic valve (10) is fixed at the top of the housing (1), the liquid supply tube (20) is fixed in the accommodating cavity, one end of the liquid supply tube (20) is communicated with the second electromagnetic valve (10), the lifting roller (22) is axially provided with a central hole, a plurality of through holes radially arranged are uniformly distributed on the roller surface of the lifting roller (22), the through holes are communicated with the central hole, a sponge pad (27) is arranged in each through hole, and the other end of the liquid supply tube (20) is communicated with the central holes of the two lifting rollers (22).

4. The bio-intelligent physiotherapy instrument based on pulse current according to claim 1, wherein a plurality of grooves are uniformly distributed on the roller surface of the lifting roller (22) along the circumferential direction, and the grooves extend along the axial direction of the lifting roller (22).

5. The biological intelligent physiotherapy instrument based on pulse current according to claim 1, wherein the distance adjusting mechanism (5) comprises a push rod (51), an articulated crane (52) and two sliding frames (53), the push rod (51) is installed at the top of the shell (1), the articulated crane (52) is connected in the accommodating cavity in a lifting mode, the top of the articulated crane (52) can upwards extend out of the accommodating cavity and then is connected with the output end of the push rod (51), the two sliding frames (53) are arranged at intervals and are connected in the accommodating cavity in a sliding mode, two ends of each sliding frame (53) are movably hinged to the articulated crane (52), two first electrodes (3) are correspondingly fixed on the two sliding frames (53), and two second electrodes (4) are correspondingly fixed on the two sliding frames (53).

6. The biological intelligent physiotherapy instrument based on the pulse current as claimed in claim 1, wherein the hinged crane (52) is provided with a strip-shaped hole which is obliquely arranged corresponding to each sliding frame (53), two ends of each sliding frame (53) are provided with hinged shafts corresponding to the two ends, and the hinged shafts are slidably hinged in the strip-shaped hole.

7. The bio-intelligent physiotherapy instrument based on pulse current as claimed in claim 1, wherein the third electrode (6) is fixed on an electrode support (30), and both ends of the electrode support (30) are respectively elastically connected with the housing (1) through a second spring (40).

8. The bio-intelligent physiotherapy instrument based on pulse current according to claim 1, further comprising a pressing cover (50), wherein the pressing cover (50) is correspondingly fixed on the top of the housing (1).

9. A physiotherapy method using the bio-intelligent physiotherapy instrument as claimed in the preceding claim, comprising the steps of:

s100: the pulse physiotherapy contactor (300) is held by a worker, the pulse physiotherapy contactor (300) is placed on the skin of a part needing physiotherapy of a patient, and at the moment, the two lifting rollers (22) are pressed on the surface of the skin; then, a worker presses the pulse physiotherapy contactor (300) downwards to pull and stack the skin towards the middle of the pulse physiotherapy contactor (300) until the flexible sealing ring (8) is pressed against the surface of the skin, and a sealing space is formed between the accommodating cavity of the pulse physiotherapy contactor (300) and the skin;

the robot body (100) controls the pulse physical therapy contactor (300) to work, the first electromagnetic valve (7) enables the sealed space to be communicated with an external vacuum generator, the sealed space is vacuumized, the pulse physical therapy contactor (300) is enabled to be adsorbed on the surface of the skin, and the third electrode (6) is attached to the surface of the skin;

the interval adjusting mechanism (5) drives the two first electrodes (3) and the two second electrodes (4) to move oppositely, the pulled and accumulated skin is clamped between the two first electrodes (3), and the thickness of the skin sebum layer is obtained through the second electrodes (4) and the thickness difference between the second electrodes (4) and the first electrodes (3);

the robot body (100) sends first pulse current with corresponding pulse intensity and pulse width to the first electrodes (3) according to the thickness of the sebum layer, and pulse physiotherapy is carried out on the sebum layer clamped between the first electrodes (3);

meanwhile, the robot body (100) sends a second pulse current with corresponding pulse intensity and pulse width to the third electrode (6) according to the thickness of the sebum layer, and pulse physical therapy is carried out on the cortical layer and the muscle layer of the skin physical therapy part;

after the physiotherapy time reaches the preset value, the robot body (100) disconnects the circuits of the first electrode (3), the second electrode (4) and the third electrode (6), the distance adjusting mechanism (5) drives the two first electrodes (3) and the two second electrodes (4) to move back to back, so that the first electrodes (3) are separated from the skin to be contacted, then the first electromagnetic valve (7) enables the sealed space to be communicated with the outside atmosphere, the pulse physiotherapy contactor (300) releases the adsorption on the skin, then a worker moves the pulse physiotherapy contactor (300) away from the skin, and the pulse physiotherapy process is completed.

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