CN110934622B

CN110934622B - Intracardiac branch of academic or vocational study is clinical with hemostasis rescue device with buffering protect function

Info

Publication number: CN110934622B
Application number: CN201911288116.9A
Authority: CN
Inventors: 金立莉; 王淑丽; 姜宝娟
Original assignee: First Hospital Jinlin University
Current assignee: First Hospital Jinlin University
Priority date: 2019-12-15
Filing date: 2019-12-15
Publication date: 2021-04-30
Anticipated expiration: 2039-12-15
Also published as: CN110934622A

Abstract

The invention discloses a clinical hemostasis rescue device with a buffer protection function for cardiology department, which comprises a ring-shaped base ring and a base, wherein an inner groove is formed in the inner wall of the base ring, the axes of the inner groove and the base ring are positioned on the same straight line, two circles of liquid bags are sealed and glued on the inner wall of the inner groove at equal intervals, the shortest distance between the two circles of liquid bags is 1cm, a square side cavity is formed in the side wall of the base ring corresponding to each liquid bag, a square box is fixedly connected in the side cavity, and a piston plate is connected in the square box in a sealing and sliding mode. Has the advantages that: the device is electrified to enable the electrorheological fluid in the liquid sac to be converted into a solid-like structure from the original liquid state, at the moment, the liquid sac cannot deform to enable the whole body to keep a hemostasis state, continuous operation of medical personnel is not needed, and meanwhile, the liquid sac is soft in the initial stage, so that the condition that a patient is injured due to brute force cannot occur.

Description

Intracardiac branch of academic or vocational study is clinical with hemostasis rescue device with buffering protect function

Technical Field

The invention relates to the technical field of cardiology, in particular to a clinical hemostasis rescue device with a buffering protection function for cardiology.

Background

The cardiology department, i.e. the cardiovascular department, is a clinical department set in the major internal medicine of all levels of hospitals for diagnosing cardiovascular and cerebrovascular diseases, and interventional therapy is a new subject which is rapidly developed in recent years and integrates image diagnosis and clinical therapy. At present, the medicine becomes a clinical three-pillar discipline which is parallel to the traditional internal medicine and surgery. The incision of the interventional operation is generally positioned on the blood vessels of the wrist and the thigh of a human body, when an accident occurs in the operation and the blood vessels bleed acutely, the hemostasis must be performed as soon as possible, and the existing clinical hemostasis rescue device has a complex structure and higher production cost.

Through retrieval, a Chinese patent with publication number CN108420488A discloses a clinical hemostasis rescue device with a buffer protection function for cardiology department, the patent is that a buffer column drives a movable plate to move downwards, the movable plate extrudes hydraulic oil, the hydraulic oil slowly moves upwards through a through hole, the moving speed of the movable plate is reduced, and the buffer function of hands or legs is effectively improved; first bevel gear drive threaded rod rotates because the lift post can't rotate, then the lift post downstream under the effect of threaded rod drives the top board downstream, compresses tightly bleeding position, stanchs fast, effectively improves hemostatic effect, though has certain hemostatic effect, but its negative effect to four limbs production at hemostatic in-process is also very big: long-term compression can lead to nerve necrosis in the extremities, while the absence of blood flow in the extremities for a long period of time can also lead to tissue necrosis, and it is also extremely inconvenient to move a location on the extremities when needed.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a clinical hemostasis rescue device with a buffering protection function for cardiology.

In order to achieve the purpose, the invention adopts the following technical scheme: a hemostasis rescue device with a buffering protection function for cardiology department clinic comprises a ring-shaped base ring and a base, wherein an inner groove is formed in the inner wall of the base ring, the axes of the inner groove and the base ring are located on the same straight line, two circles of liquid bags are hermetically glued on the inner wall of the inner groove at equal intervals, the shortest distance between the two circles of liquid bags is 1cm, a square side cavity is formed in the side wall of the base ring corresponding to each liquid bag, a square box is fixedly connected in the side cavity, a piston plate is hermetically and slidably connected in the square box, one end, far away from the corresponding liquid bag, of the piston plate is rotatably connected with a screw rod, a steel ring is slidably sleeved on the outer wall of the square box, and the piston plate is made of a permanent magnet;

the screw rod penetrates through the base ring to the outside, the screw rod is in threaded connection with the inner wall of the base ring, one end, located outside the base ring, of the screw rod is fixedly connected with a knob, the knob is made of 304 stainless steel, and anti-skid grains are arranged on the outer wall of the knob;

the side cavity is communicated with the inner groove, the side walls of the side cavity, which are close to the inner groove, are hermetically glued with the liquid bag, the square box is a cube formed by five faces, the opening of the square box faces the liquid bag, and the liquid bag is provided with a through hole for communicating the liquid bag with the square box;

the massage device is fixed with between two circles the liquid bag, an annular chamber has been seted up in the base ring, the axis of annular chamber and base ring is located the collinear, the annular chamber is connected with the trachea, the trachea is kept away from the one end intercommunication of annular chamber and is had the tympanites, the tympanites is fixed in external ground.

In foretell intracardiac branch of academic or vocational study clinical hemostasis rescue apparatus with buffering protect function, the sealed veneer of annular intracavity has an annular mantle, the mantle is divided into two regions that do not communicate with each other with the annular chamber, the region that is close to the base ring inner wall in the annular chamber is the sap cavity, the regional air cavity that is of annular chamber opposite side, all the filling has electrorheological fluids in sap cavity and each sap cavity, set up a plurality of communicating pipe in the base ring, every the sap cavity all communicates with the sap cavity through communicating pipe, trachea and air cavity intercommunication.

In foretell intracardiac branch of academic or vocational study clinical hemostasis rescue apparatus with buffering protect function, massage device includes a plurality of slide bars, every equal slip has cup jointed a sliding sleeve on the slide bar, sliding sleeve inside is fixed with a tensioning spring, the tensioning spring is compression spring, the one end that the sliding sleeve was kept away from to the tensioning spring and the tip fixed connection of slide bar, the sliding sleeve uses the permanent magnet to make, inside the inlaying of slide bar is equipped with a first solenoid, first solenoid's excitation direction is the same with the sliding sleeve, the one end veneer that the sliding sleeve is close to the base ring axis has a silica gel pad.

In foretell intracardiac branch of academic or vocational study clinical hemostasis rescue apparatus with buffering protect function, an annular groove has been seted up to the lateral wall of base ring, the axis of annular groove and base ring is located same straight line, the unilateral cross-section of annular groove is T type structure, two flat posts, every are equipped with to the annular groove endotheca equal fixedly connected with synchronizing shaft on the flat post, every all rotate on the synchronizing shaft and be connected with a dead lever, dead lever and base fixed connection.

In foretell intracardiac branch of academic or vocational study clinical hemostasis rescue apparatus with buffering protect function, at least one the embedded second solenoid that is equipped with of flat post, the inner wall of ring channel is provided with round groove tooth, a plurality of tooth's socket has been seted up to the flat post outer wall, every equal sliding connection has a pinion rack in the tooth's socket, the pinion rack is hollow structure, reset spring of inner wall fixedly connected with of pinion rack.

In foretell intracardiac branch of academic or vocational study clinical hemostasis rescue apparatus with buffering protect function, reset spring keeps away from the one end of pinion rack and fixes the outer wall at the flat post, reset spring is compression spring, the pinion rack is made for ferromagnetic material, the groove tooth uses non-ferromagnetic material to make, and the pinion rack corresponds synchronizing shaft is located an adjusting plate of outer one end fixedly connected with of base ring, the adjusting plate is cylindric structure, a button of controlling second solenoid and switching on or off power is connected to adjusting plate outer wall fixed connection.

In foretell intracardiac branch of academic or vocational study clinical hemostasis rescue apparatus with buffering protect function, a plurality of massage chamber has been seted up in the base ring, three quarters volume's resistance liquid is equipped with in the massage chamber, the inner wall in massage chamber is inlayed and is equipped with a plurality of conductive metal, every conductive metal all with first solenoid electric connection.

In foretell intracardiac branch of academic or vocational study clinical hemostasis rescue apparatus with buffering protect function, the surface that the liquid bag is located the side intracavity inlays and is equipped with two sheetmetals, two the sheetmetal all runs through to inside the liquid bag, two the sheetmetal is with steel ring contact circular telegram.

Compared with the prior art, the invention has the advantages that:

1. when the device is used, limbs of a patient with bleeding possibly are placed inside the base ring, external air can be blown into the air cavity by stepping on the air drum, the air cavity expands to push the soft membrane to swell, liquid in the annular cavity is extruded into the liquid sac, the liquid sac expands to wrap the limbs of the patient, when bleeding occurs and rapid hemostasis is needed, medical personnel can immediately step on the air drum to rapidly expand the liquid sac, so that the liquid sac tightly clamps the limbs of the patient, the hemostasis effect is achieved, then the device is electrified to enable electrorheological fluid in the liquid sac to be converted into a solid-like structure from original liquid state, at the moment, the liquid sac cannot deform to enable the whole to keep the hemostasis state, continuous operation of medical personnel is not needed, and meanwhile, the liquid sac is soft in the early stage, so that the patient is not injured due to brute force.

2. According to the invention, when a patient in need of local position fine adjustment is carried out, the knob can be rotated to drive the screw rod to rotate, the screw rod rotates to drive the piston plate to move, the steel ring is separated from the corresponding metal due to the movement of the piston plate, so that the corresponding liquid sac is powered off, the corresponding liquid sac can deform, but more liquid sacs are in an undeformable state, and the whole device still keeps the hemostatic effect on the patient.

3. When a massage operation is required to be performed on a patient, only the first electromagnetic coil needs to be electrified, a massage cavity is connected in series between an external power supply and the first electromagnetic coil, resistance liquid inside the massage cavity is connected in series with the first electromagnetic coil, in the rescue operation, the whole device is difficult to shake, namely the resistance liquid in the massage cavity is always in a shaking state, namely the resistance connected into a circuit is always changed, so that the magnetic field of the first electromagnetic coil is also changed, the magnetic force of the first electromagnetic coil on the sliding sleeve is also not changed, and the extrusion force of the sliding sleeve on the patient is also continuously changed under the action force which is continuously changed, so that an obvious massage effect is generated, and the whole device is obviously improved and the effect is improved compared with the prior art.

Drawings

Fig. 1 is a schematic structural view of a clinical hemostasis rescue device with a buffering protection function for cardiology department, which is provided by the invention;

FIG. 2 is a schematic cross-sectional view of a clinical hemostasis rescue device with buffering protection function for cardiology department according to the present invention;

FIG. 3 is an enlarged schematic view of one side of a base ring of the hemostatic rescue device with buffering protection function for cardiology department clinic provided by the invention;

fig. 4 is a schematic side enlarged view of a ring cavity portion of a clinical hemostasis rescue device with a buffering protection function for cardiology department provided by the invention.

In the figure: the massage device comprises a base ring 1, a base seat 2, internal grooves 3, a liquid bag 4, a side cavity 5, a square box 6, a piston plate 7, a steel ring 8, a through hole 9, a screw rod 10, a knob 11, a sliding sleeve 12, a sliding rod 13, a tension spring 14, a first electromagnetic coil 15, a ring groove 16, a flat column 17, a second electromagnetic coil 18, a tooth groove 19, a toothed plate 20, a reset spring 21, a tooth groove 22, a fixed rod 23, a synchronizing shaft 24, a regulating plate 25, an annular cavity 26, a soft membrane 27, a massage cavity 28, a communicating pipe 29, a button 30, an air drum 31 and an air pipe 32.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, a clinical hemostasis rescue device with buffer protection function for cardiology department, comprising a ring-shaped base ring 1 and a base 2, wherein the inner wall of the base ring 1 is provided with an inner groove 3, the axes of the inner groove 3 and the base ring 1 are positioned on the same straight line, the inner wall of the inner groove 3 is sealed and glued with two circles of liquid bags 4 at equal intervals, the shortest distance between the two circles of liquid bags 4 is 1cm, the side wall of the base ring 1 corresponding to each liquid bag 4 is provided with a square side cavity 5, a square box 6 is fixedly connected in the side cavity 5, a piston plate 7 is hermetically and slidably connected in the square box 6, one end of the piston plate 7 far away from the corresponding liquid bag 4 is rotatably connected with a screw 10, the outer wall of the square box 6 is slidably sleeved with a steel ring 8, and the piston plate 7;

the screw 10 penetrates through the base ring 1 to the outside, the screw 10 is in threaded connection with the inner wall of the base ring 1, one end, located outside the base ring 1, of the screw 10 is fixedly connected with a knob 11, the knob 11 is made of 304 stainless steel, and the outer wall of the knob 11 is provided with anti-skid grains;

the side cavity 5 is communicated with the inner groove 3, the side walls of the side cavity 5 close to the inner groove 3 are hermetically glued with the liquid bag 4, the square box 6 is a cube formed by five faces, the opening of the square box 6 faces the liquid bag 4, and the liquid bag 4 is provided with a through hole 9 which enables the liquid bag to be communicated with the square box 6;

a massage device is fixed between the two circles of liquid bags 4, an annular cavity 26 is arranged in the base ring 1, the annular cavity 26 and the axis of the base ring 1 are located on the same straight line, the annular cavity 26 is connected with an air pipe 32, one end, far away from the annular cavity 26, of the air pipe 32 is communicated with an air drum 31, and the air drum 31 is fixed on the outside ground. A

An annular soft membrane 27 is sealed and glued in the annular cavity 26, the annular cavity 26 is divided into two areas which are not communicated by the soft membrane 27, the area, close to the inner wall of the base ring 1, in the annular cavity 26 is a liquid cavity, the area on the other side of the annular cavity 26 is an air cavity, electrorheological fluid is filled in the liquid cavity and each liquid sac 4, a plurality of communication pipes 29 are arranged in the base ring 1, each liquid sac 4 is communicated with the liquid cavity through the communication pipes 29, and the air pipe 32 is communicated with the air cavity.

The massage device comprises a plurality of sliding rods 13, a sliding sleeve 12 is sleeved on each sliding rod 13 in a sliding mode, a tensioning spring 14 is fixed inside the sliding sleeve 12, the tensioning spring 14 is a compression spring, one end, far away from the sliding sleeve 12, of the tensioning spring 14 is fixedly connected with the end portion of the sliding rod 13, the sliding sleeve 12 is made of a permanent magnet, a first electromagnetic coil 15 is embedded inside the sliding rod 13, the excitation direction of the first electromagnetic coil 15 is the same as that of the sliding sleeve 12, and a silica gel pad is glued at one end, close to the axis of the base ring 1, of the sliding sleeve 12.

An annular groove 16 has been seted up to the lateral wall of base ring 1, and annular groove 16 is located same straight line with the axis of base ring 1, and the unilateral cross-section of annular groove 16 is T type structure, and the annular groove 16 endotheca is equipped with two flat columns 17, and equal fixedly connected with synchronizing shaft 24 on every flat column 17 all rotates on every synchronizing shaft 24 and is connected with a dead lever 23, dead lever 23 and base 2 fixed connection.

At least one flat column 17 is embedded to be equipped with second solenoid 18, and the inner wall of ring channel 16 is provided with round groove tooth 22, and a plurality of tooth's socket 19 has been seted up to flat column 17 outer wall, and equal sliding connection has a pinion rack 20 in every tooth's socket 19, and pinion rack 20 is hollow structure, and the inner wall fixedly connected with reset spring 21 of pinion rack 20.

Reset spring 21 keeps away from the one end of pinion rack 20 and fixes the outer wall at spade 17, and reset spring 21 is compression spring, and pinion rack 20 makes for ferromagnetic material, and groove tooth 22 uses non-ferromagnetic material to make, and synchronizing shaft 24 that pinion rack 20 corresponds is located one adjusting plate 25 of the outer one end fixedly connected with of base ring 1, and adjusting plate 25 is cylindric structure, and one button 30 of controlling second solenoid 18 to switch on or off is connected to adjusting plate 25 outer wall fixed connection.

A plurality of massage cavities 28 are arranged in the base ring 1, three-quarters volume of resistance liquid is filled in the massage cavities 28, a plurality of conductive metals are embedded in the inner wall of the massage cavities 28, and each conductive metal is electrically connected with the first electromagnetic coil 15.

The surface that liquid bag 4 is located side cavity 5 inlays and is equipped with two sheetmetals, and inside two sheetmetals all run through to liquid bag 4, two sheetmetals and 8 contact circular telegrams of steel ring.

When the device of the invention is used, the limbs of the patient with possible hemorrhage are placed inside the base ring 1, the external air can be blown into the air cavity by stepping on the air drum 31, the air cavity expands to push the soft membrane to bulge so as to extrude the liquid in the annular cavity 26 into the liquid sac 4, the liquid sac 4 is expanded to wrap the limbs of the patient, when bleeding occurs and rapid hemostasis is needed, medical care personnel can immediately tread the air drum 31 to rapidly expand the liquid sac 4, so that the liquid sac 4 tightly clamps the limbs of a patient, thereby realizing the hemostasis effect, then the device is electrified to lead the electrorheological fluid in the liquid sac 4 to be changed into a solid-like structure from the original liquid state, at the moment, the liquid sac 4 can not be deformed to lead the whole body to keep the hemostasis state without the continuous operation of medical staff, meanwhile, the liquid sac 4 is soft in the initial stage, so that the condition that brute force causes injury of a patient is avoided.

In the invention, when a required patient is subjected to local position fine adjustment, the knob 11 can be rotated to drive the screw rod 10 to rotate, the screw rod 10 rotates to drive the piston plate 7 to move, the piston plate 7 moves to separate the steel ring 8 from the corresponding metal, so that the corresponding liquid sac 4 is powered off, the corresponding liquid sac 4 can be deformed, but more liquid sacs 4 are in an undeformable state, and the whole device still keeps the hemostatic effect on the patient.

When a massage operation is needed to be performed on a patient, only the first electromagnetic coil 15 needs to be electrified, a massage cavity 28 is connected in series between an external power supply and the first electromagnetic coil 15, resistance liquid inside the massage cavity 28 is connected in series with the first electromagnetic coil 15, and in the rescue operation, the whole device is inevitably in a shaking state, namely the resistance liquid inside the massage cavity 28 is always in a shaking state, namely the resistance in an access circuit is always changed, so that the magnetic field of the first electromagnetic coil 15 is changed along with the resistance liquid, the magnetic force of the first electromagnetic coil to the sliding sleeve 12 is also not stopped to change, and the extrusion force degree of the sliding sleeve 12 to the patient is also continuously changed under the action force which is continuously changed, so that an obvious massage effect is generated, and the whole device is obviously improved and the effect is improved compared with the prior art.

Although the terms of base ring 1, base 2, inner groove 3, liquid bag 4, side cavity 5, square box 6, piston plate 7, steel ring 8, through hole 9, screw 10, knob 11, sliding sleeve 12, sliding rod 13, tension spring 14, first electromagnetic coil 15, annular groove 16, flat column 17, second electromagnetic coil 18, toothed groove 19, toothed plate 20, return spring 21, grooved tooth 22, fixing rod 23, synchronizing shaft 24, adjusting plate 25, annular cavity 26, soft membrane 27, massage cavity 28, communication pipe 29, button 30, air drum 31, air pipe 32, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A hemostasis rescue device with a buffer protection function for cardiology department clinic comprises a ring-shaped base ring (1) and a base (2), and is characterized in that an inner groove (3) is formed in the inner wall of the base ring (1), the inner groove (3) and the axis of the base ring (1) are located on the same straight line, two circles of liquid bags (4) are hermetically glued on the inner wall of the inner groove (3) at equal intervals, the shortest distance between the two circles of liquid bags (4) is 1cm, a square side cavity (5) is formed in the side wall of the base ring (1) corresponding to each liquid bag (4), a square box (6) is fixedly connected in the side cavity (5), a piston plate (7) is hermetically and slidably connected in the square box (6), a screw rod (10) is rotatably connected to one end, far away from the corresponding liquid bag (4), of the piston plate (7), a steel ring (8) is slidably sleeved on the outer wall of the square box (6), the piston plate (7) is made of permanent magnets;

the screw rod (10) penetrates through the base ring (1) to the outside, the screw rod (10) is in threaded connection with the inner wall of the base ring (1), one end, located outside the base ring (1), of the screw rod (10) is fixedly connected with a knob (11), the knob (11) is made of 304 stainless steel, and the outer wall of the knob (11) is provided with anti-skidding threads;

the side cavity (5) is communicated with the inner groove (3), the side wall of the side cavity (5) close to the inner groove (3) is hermetically glued with the liquid bag (4), the square box (6) is a cube formed by five faces, the opening of the square box (6) faces the liquid bag (4), and the liquid bag (4) is provided with a through hole (9) which enables the liquid bag to be communicated with the square box (6);

a massage device is fixed between the two circles of liquid bags (4), an annular cavity (26) is formed in the base ring (1), the axes of the annular cavity (26) and the base ring (1) are located on the same straight line, the annular cavity (26) is connected with an air pipe (32), one end, far away from the annular cavity (26), of the air pipe (32) is communicated with an air drum (31), and the air drum (31) is fixed on the outside ground;

the ring-shaped device is characterized in that an annular soft film (27) is sealed and glued in the ring-shaped cavity (26), the ring-shaped cavity (26) is divided into two areas which are not communicated by the soft film (27), the area, close to the inner wall of the base ring (1), in the ring-shaped cavity (26) is a liquid cavity, the area on the other side of the ring-shaped cavity (26) is an air cavity, electrorheological fluid is filled in the liquid cavity and each liquid sac (4), a plurality of communicating pipes (29) are arranged in the base ring (1), each liquid sac (4) is communicated with the liquid cavity through the communicating pipes (29), the air pipe (32) is communicated with the air cavity, two metal sheets are embedded on the surface, located in the side cavity (5), of each liquid sac (4), penetrate through the liquid sacs (4), and are in contact with the steel ring (8) to be.

2. The clinical hemostasis rescue device with buffering protect function of intracardiac branch of academic or vocational study of claim 1, characterized in that, massage device includes a plurality of slide bars (13), every slide bar (13) all the slip cap has a sliding sleeve (12) on, sliding sleeve (12) inside is fixed with a tensioning spring (14), tensioning spring (14) are compression spring, the one end that sliding sleeve (12) was kept away from in tensioning spring (14) and the tip fixed connection of slide bar (13), sliding sleeve (12) use the permanent magnet to make, sliding sleeve (13) inside is inlayed and is equipped with a first solenoid (15), the excitation direction of first solenoid (15) is the same with sliding sleeve (12), the one end that sliding sleeve (12) is close to base ring (1) axis has a silica gel pad glued.

3. The clinical hemostasis rescue device with buffering protect function of intracardiac branch of academic or vocational study of claim 1, characterized in that, an annular groove (16) has been seted up to the lateral wall of base ring (1), the axis of annular groove (16) and base ring (1) is located same straight line, the unilateral cross-section of annular groove (16) is T type structure, annular groove (16) endotheca is equipped with two flat columns (17), every all fixedly connected with a synchronizing shaft (24) on flat column (17), every synchronizing shaft (24) all is connected with a dead lever (23) in the rotation, dead lever (23) and base (2) fixed connection.

4. The clinical hemostasis and rescue device with buffering protection function for cardiology department according to claim 3, characterized in that at least one flat column (17) embeds is equipped with second solenoid (18), the inner wall of ring channel (16) is provided with round groove tooth (22), a plurality of tooth's socket (19) have been seted up to flat column (17) outer wall, all sliding connection has a pinion rack (20) in each tooth's socket (19), pinion rack (20) are hollow structure, the inner wall fixedly connected with a reset spring (21) of pinion rack (20).

5. The clinical hemostasis and rescue device with buffering protection function for intracardiac branch of academic or vocational study of claim 4, characterized in that, the one end that the pinion rack (20) was kept away from to reset spring (21) is fixed at the outer wall of spade post (17), reset spring (21) are compression spring, pinion rack (20) are made for ferromagnetic material, slot tooth (22) are made using non-ferromagnetic material, the synchronizing shaft (24) that pinion rack (20) corresponds is located the one end fixedly connected with one adjusting plate (25) outside base ring (1), adjusting plate (25) are the cylindric structure, adjusting plate (25) outer wall fixed connection one control second solenoid (18) switch on/off button (30).

6. The clinical hemostasis and rescue device with buffering and protecting functions for cardiology department according to claim 2, wherein a plurality of massage cavities (28) are formed in the base ring (1), three quarters of the volume of the resistance liquid is filled in the massage cavities (28), a plurality of conductive metals are embedded in the inner wall of the massage cavities (28), and each conductive metal is electrically connected with the first electromagnetic coil (15).