CN113425303A - Induction head capable of automatically smearing conductive liquid, electrocardiogram system and detection method - Google Patents

Abstract

But inductive head of automatically paintd conducting liquid, sacculus including fixed connection in proper order, communicating pipe and tapered tube, the fixed plate that is provided with in communicating pipe, wear to be equipped with the installation pipe on the fixed plate, at least one air vent and at least one outlet hole have been seted up on the installation pipe, wherein the air vent is close to the sacculus, the outlet hole is close to the tapered tube, the installation pipe is sealed through the closing plate towards the one end of tapered tube, it is provided with the piston to slide in the installation pipe, the piston slides the in-process in the installation pipe and will open or seal the air vent, form between piston and the closing plate and hold the chamber, it is linked together with the outlet hole to hold the chamber, be provided with the sponge piece in the appearance chamber, the fixed electrode slice that is provided with in the inside of the one end that the sacculus was kept away from to the tapered tube, two first through-holes and at least one second through-hole have been seted up on the electrode slice. The invention can paint the conductive liquid between the electrode plate and the skin of the patient in the process of adsorbing the induction head on the skin of the patient, and has higher efficiency and shorter time consumption.

Description

Induction head capable of automatically smearing conductive liquid, electrocardiogram system and detection method

Technical Field

The invention relates to the field of electrocardiogram equipment, in particular to an induction head capable of automatically smearing conductive liquid, an electrocardiogram system and a detection method.

Background

Before the heart beats, the cardiac muscle is excited first, and weak current is generated during excitation and is conducted to various parts through human tissues. Because the distance between each part of the body and the heart is different due to different tissues of each part, different potential changes are shown at each part of the body surface, and the relation between the surface potential generated by the electrical activity in the human heart and the time is called electrocardiogram. The electrocardiograph can automatically record the bioelectric signals (electrocardio signals) generated by exciting cardiac muscle during heart activity, and is a medical electronic instrument commonly used for clinical diagnosis and scientific research.

The conventional electrocardiograph can be used for increasing the conductivity and obtaining the optimal electrocardiogram waveform, the conductive liquid can be smeared on four limbs and the chest, the process of smearing the conductive liquid is manually carried out by medical personnel, and the efficiency is low and the time consumption is long.

For example, chinese patent CN101627908B discloses a ring-pressing electrocardiogram chest lead connector, which comprises a negative pressure bag 1, an electrode cup 2, a hand-pressing cylinder 3, a ring-groove cylinder 4, a rubber ring 5 and a liquid outlet hole 6, when in use, the electrode liquid is first injected into the ring groove of the ring-groove cylinder 4, then the lower end of the hand-pressing cylinder 3 is inserted into the ring groove, the hand-pressing cylinder 3 is pushed downwards after the electrode cup 2 is fixed on a human body by the negative pressure bag 1, and the electrode liquid uniformly flows out from the liquid outlet hole 6 at the bottom of the ring-groove cylinder 4 under the pushing of the rubber ring 5. Although the conductive liquid is integrated in the connector, the processes of adding the conductive liquid and smearing the conductive liquid are still carried out independently, so that the problem of low efficiency of smearing the conductive liquid cannot be solved.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the induction head capable of automatically coating the conductive liquid, the electrocardiogram system and the detection method, which can coat the conductive liquid between the electrode plate and the skin of the patient in the process of adsorbing the induction head on the skin of the patient, and have the advantages of higher efficiency and shorter time consumption.

In order to achieve the purpose, the invention adopts the specific scheme that: but inductive head of automatically paintd conducting liquid, sacculus including fixed connection in proper order, communicating pipe and tapered tube, the fixed plate that is provided with in communicating pipe, wear to be equipped with the installation pipe on the fixed plate, at least one air vent and at least one outlet hole have been seted up on the installation pipe, wherein the air vent is close to the sacculus, the outlet hole is close to the tapered tube, the installation pipe is sealed through the closing plate towards the one end of tapered tube, it is provided with the piston to slide in the installation pipe, the piston slides the in-process in the installation pipe and will open or seal the air vent, form between piston and the closing plate and hold the chamber, it is linked together with the outlet hole to hold the chamber, be provided with the sponge piece in the appearance chamber, the fixed electrode slice that is provided with in the inside of the one end that the sacculus was kept away from to the tapered tube, two first through-holes and at least one second through-hole have been seted up on the electrode slice.

As the further optimization of the induction head capable of automatically coating the conductive liquid: at least one limiting mechanism is fixedly connected to the outer wall of the installation pipe and comprises a first elastic sheet fixedly connected with the installation pipe, an extension sheet is fixedly connected with the first elastic sheet, and the extension sheet is correspondingly inserted into the vent hole.

As the further optimization of the induction head capable of automatically coating the conductive liquid: the first elastic sheet is fixedly connected with a pulling sheet which is parallel to the electrode sheet, the pulling sheet is aligned to the second through hole, and the pulling sheet and the extending sheet are respectively positioned at two sides of the first elastic sheet.

The electrocardiogram system comprises an electrocardiogram machine, a plurality of lead wires electrically connected with the electrocardiogram machine, a plurality of induction heads and a receiving mechanism for receiving the induction heads, wherein the electrode plates of the induction heads are electrically connected with the lead wires in a one-to-one correspondence manner.

As a further optimization of the above electrocardiogram system: storage mechanism is including holding groove and bin that set up from top to bottom, holds the fixed a plurality of being used for holding in the groove the box body of toper pipe to the top of box body is opened, holds two connecting plates that are parallel to each other of fixedly connected with between groove and the bin, and fixed two drainage pumps that are provided with between two connecting plates, drainage pump and bin and all box bodies all communicate, have held conducting liquid in the bin.

As a further optimization of the above electrocardiogram system: the box body is fixedly provided with two spray heads and at least one ejector rod, the spray heads are communicated with a flow guide pipe, the flow guide pipe is correspondingly communicated with the flow guide pump, when the conical pipe is placed into the box body, the spray heads correspondingly penetrate through the first through holes, and the ejector rods correspondingly penetrate through the second through holes to be contacted with the wrenching piece.

As a further optimization of the above electrocardiogram system: the bundling device comprises a plurality of bundling devices, each bundling device comprises a circular arc-shaped handle, a circular arc-shaped slide rail is arranged in each handle, a bundling rod is arranged in each slide rail in a sliding mode, a plurality of threading holes used for containing the lead wires are formed in each bundling rod, the threading holes are communicated with threading channels, and the threading channels penetrate through the outer side walls of the bundling rods.

As a further optimization of the above electrocardiogram system: and an arc-shaped section is arranged in the middle of the threading channel.

The detection method is based on the electrocardiogram system and comprises a preparation stage and a detection stage which are alternately carried out;

the preparation phase comprises the following steps:

s11, placing the induction head into the containing mechanism;

s12, adding a conductive liquid into the sponge block;

the detection stage comprises the following steps:

s21, taking the induction head out of the containing mechanism, and attaching the conical tube to the body of the patient;

s22, pressing the balloon to enable the gas in the balloon to enter the installation tube to push the piston;

s23, extruding the sponge block in the moving process of the piston to enable the conductive liquid in the sponge block to flow into the conical tube through the outflow hole until the piston opens the vent hole;

s24, the conductive liquid flows between the electrode plate and the body of the patient through the first through hole and the second through hole, and the extension piece penetrates through the vent hole under the action of the first elastic piece.

Has the advantages that: according to the invention, the conductive liquid can be coated between the electrode plate and the skin of the patient in the process of adsorbing the induction head on the skin of the patient, so that the gap between the electrode plate and the skin of the patient is filled, the conductive efficiency of the electrode plate is improved, the electrocardiosignals of the patient can be accurately acquired, the process of coating the conductive liquid and the process of adsorbing the induction head are synchronously carried out, and medical workers do not need to repeatedly operate, so that the efficiency is higher.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an inductive head;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the balloon when compressed;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a schematic structural view of the receiving mechanism;

FIG. 6 is a schematic diagram of the engagement between the inductive head and the case;

FIG. 7 is a schematic view of the structure of the bunching device;

FIG. 8 is a schematic view of the arrangement of the tightening rod;

fig. 9 is a schematic view of the structure of the threading channel.

Description of the drawings: 1-balloon, 2-fixing plate, 3-communicating tube, 4-conical tube, 5-electrode plate, 6-first through hole, 7-second through hole, 8-mounting tube, 9-closing plate, 10-sponge block, 11-outflow hole, 12-piston, 13-air vent, 14-first elastic sheet, 15-pulling sheet, 16-extending sheet, 17-containing groove, 18-box body, 19-ejector rod, 20-connecting plate, 21-drainage pump, 22-drainage tube, 23-storage box, 24-liquid feeding tube, 25-button switch, 26-nozzle, 27-drainage tube, 28-handle, 29-bundling rod, 30-through groove, 31-positioning hole, 32-positioning column, 33-second elastic sheet, 34-pressure rod, 35-threading hole, 36-threading channel and 37-arc section.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, the inductive head capable of automatically smearing conductive liquid includes a balloon 1, a communicating tube 3 and a tapered tube 4, which are fixedly connected in sequence, a fixing plate 2 is fixedly disposed in the communicating tube 3, an installation tube 8 is disposed on the fixing plate 2 in a penetrating manner, at least one vent hole 13 and at least one outflow hole 11 are disposed on the installation tube 8, wherein air vent 13 is close to sacculus 1, the hole 11 that flows is close to conical duct 4, mounting tube 8 passes through closing plate 9 towards the one end of conical duct 4 and seals, it is provided with piston 12 to slide in the mounting tube 8, piston 12 slides the in-process in mounting tube 8 and will open or close air vent 13, form between piston 12 and the closing plate 9 and hold the chamber, it is linked together with the hole that flows to hold the chamber, be provided with sponge piece 10 in holding the chamber, the inside of the one end that sacculus 1 was kept away from to conical duct 4 is fixed and is provided with electrode slice 5, two first through-holes 6 and at least one second through-hole 7 have been seted up on the electrode slice 5.

When the electrode plate is used, the sponge block 10 absorbs conductive liquid in advance, then the induction head is transferred to the body surface of a patient, the conical tube 4 is in contact with the skin of the patient, then the balloon 1 is squeezed to enable gas in the balloon 1 to enter the mounting tube 8, the gas enters the mounting tube 8 and then pushes the piston 12 to move towards the sponge block 10, the piston 12 squeezes the sponge block 10 to enable the conductive liquid in the sponge block 10 to flow out, and then the conductive liquid flows between the electrode plate 5 and the skin of the patient through the first through hole 6 and the second through hole 7, so that a gap between the electrode plate 5 and the skin of the patient is filled, the conductive efficiency of the electrode plate 5 is improved, and the electrocardiosignal of the patient can be accurately acquired; on the other hand, along with the movement of piston 12, vent hole 13 is opened to make sacculus 1, installation pipe 8 and conical tube 4 communicate, and some gas in sacculus 1 is discharged through installation pipe 8, conical tube 4, first through-hole 6 or second through-hole 7, and when unclamping sacculus 1, the inside negative pressure that forms of conical tube 4 in sacculus 1 resilience process, thereby adsorb the response head on patient's skin, promote the stability of response head.

According to the invention, the conductive liquid can be smeared between the electrode plate 5 and the skin of the patient in the process of adsorbing the induction head on the skin of the patient, so that the gap between the electrode plate 5 and the skin of the patient is filled, the conductive efficiency of the electrode plate 5 is improved, and the electrocardiosignal of the patient can be accurately acquired.

Considering that the sponge block 10 has elasticity, the rebound of the sponge block 10 after the balloon 1 is loosened can push the piston 12 to move reversely, so that the vent hole 13 is closed, further the negative pressure intensity in the conical tube 4 is insufficient, and finally the stability of the induction head is reduced, in order to avoid the situation, at least one limiting mechanism is fixedly connected to the outer wall of the mounting tube 8, the limiting mechanism comprises a first elastic sheet 14 fixedly connected with the mounting tube 8, the first elastic sheet 14 is fixedly connected with an extension sheet 16, and the extension sheet 16 is correspondingly inserted into the vent hole 13. Under the state that does not use, first shell fragment 14 promotes to extend piece 16 and passes vent hole 13 and support on piston 12, after piston 12 removes and opens vent hole 13, extend piece 16 and insert in installation pipe 8, thereby it is spacing to carry out piston 12, avoid piston 12 to reset under the rebound effect of sponge piece 10 and cause vent hole 13 to be closed, and then guarantee that sacculus 1 and conical duct 4 can communicate, can form the negative pressure smoothly in the final conical duct 4, adsorb the inductive head on patient's skin.

Because the inductive head needs to be used repeatedly, therefore should recover after the electrocardiograph inspection is finished to can carry out next inspection, in order to avoid extending piece 16 to hinder piston 12 to reset, first shell fragment 14 fixedly connected with the electrode slice 5 is parallel to each other pull piece 15 to pull piece 15 aligns second through-hole 7, pull piece 15 and extension piece 16 are located the both sides of first shell fragment 14 respectively. After the check is finished, the pulling piece 15 is pushed to drive the extension piece 16 to extend out of the vent hole 13, so that the extension piece 16 is prevented from blocking the reset of the piston 12, the first elastic piece 14 deforms in the process, and when the pulling piece 15 is released, the first elastic piece 14 pushes the extension piece 16 to abut against the piston 12.

The invention also provides an electrocardiogram system which comprises an electrocardiogram machine, a plurality of lead wires electrically connected with the electrocardiogram machine, a plurality of induction heads and a receiving mechanism for receiving the induction heads, wherein the electrode plates 5 of the induction heads are electrically connected with the lead wires in a one-to-one correspondence manner.

In the electrocardiogram system, the electrocardiograph and the lead wire can adopt the existing equipment, and only the induction head needs to be replaced by the induction head of the invention, thereby reducing the upgrading cost.

The specific structure of the storage mechanism is as follows: receiving mechanism is including holding groove 17 and storage box 23 that set up from top to bottom, hold and be provided with a plurality of box bodys 18 that are used for holding conical tube 4 in the groove 17, and the top of box bodys 18 is opened, hold two connecting plates 20 that are parallel to each other of fixedly connected with between groove 17 and the storage box 23, fixedly between two connecting plates 20 be provided with two drainage pumps 21, drainage pump 21 all communicates with storage box 23 and all box bodys 18 through drainage tube 22, hold the conducting liquid in the storage box 23. After the inspection is finished, the tapered tube 4 of the induction head is correspondingly inserted into the box 18, then the two drainage pumps 21 are started, one drainage pump 21 conveys the conductive liquid in the storage box 23 into the box 18, the conductive liquid can enter the tapered tube 4 through the first through hole 6 or the second through hole 7, finally the conductive liquid is absorbed by the sponge block 10 through the outflow hole 11, the supplement process of the conductive liquid in the induction head is completed, the induction head can be applied to the inspection process again, in order to ensure that the sponge block 10 can absorb enough conductive liquid, excessive conductive liquid is conveyed into the box 18, however, the conductive liquid is accumulated in the box 18, in order to prevent the conductive liquid accumulated after the induction head is taken out from being polluted, after the conductive block 10 absorbs enough conductive liquid, the accumulated liquid in the box 18 is returned to the storage box 23 by the other drainage pump 21, the conductive liquid is prevented from being polluted when being exposed in the air. This receiving mechanism can enough high-efficiently accomodate the inductive head, avoids the inductive head to stack in disorder and causes the problem that inspection efficiency is underground to accomodating the in-process and can supplementing conducting solution to the inductive head, need not special replenishment process, convenient to use more.

In order to conveniently supplement the conductive liquid into the storage box 23, the storage box 23 is also communicated with a liquid feeding pipe 24, the liquid feeding pipe 24 is L-shaped, one end of the liquid feeding pipe 24 is communicated with the storage box 23 from the horizontal direction, the other end of the liquid feeding pipe is vertically arranged upwards, the conductive liquid is prevented from leaking from the storage box 23, and a sealing cover can be arranged on the liquid feeding pipe 24 to prevent the conductive liquid from being polluted.

Because the sponge block 10 can only absorb the conductive liquid in the rebounding process, in order to ensure that the sponge block 10 can smoothly absorb the conductive liquid, two spray heads 26 and at least one ejector rod 19 are fixedly arranged in the box body 18, the spray heads 26 are communicated with a guide pipe 27, the guide pipe 27 is correspondingly communicated with the drainage pump 21, when the conical pipe 4 is placed in the box body 18, the spray heads 26 correspondingly penetrate through the first through holes 6, and the ejector rod 19 correspondingly penetrates through the second through holes 7 to be contacted with the pulling piece 15. When the induction head is placed in the box body 18, the ejector rod 19 penetrates through the second through hole 7 to enter the conical tube 4 until the induction head contacts with the pulling piece 15, then the pulling piece 15 is pushed, the extending piece 16 is driven to extend out of the vent hole 13, the extending piece 16 is prevented from blocking the piston 12 to reset, the two spray heads 26 penetrate through the two first through holes 6 respectively, the two spray heads 26 are communicated with the two drainage pumps 21 respectively, and therefore one spray head 26 is used for conveying the conductive liquid into the box body 18, and the other spray head 26 is used for outputting the conductive liquid accumulated in the box body 18. Through the cooperation of ejector pin 19 and wrench movement piece 15, can be at the in-process of putting into box body 18 with the inductive head directly with piston 12 release, and then guarantee that sponge piece 10 can adsorb conducting liquid smoothly, on the other hand, ejector pin 19 can also play the effect of supporting the inductive head, avoids the inductive head to rock or drop from box body 18.

In order to accurately control the time for inputting the conductive liquid into the box 18, a button switch 25 may be provided on one of the plungers 19, when the plunger 19 contacts the trigger piece 15, the button switch 25 is triggered, the drainage pump 21 for inputting the conductive liquid into the box 18 is started, and after a certain time, the other drainage pump 21 is started to send the conductive liquid stored in the box 18 back to the storage tank 23.

Because the system has adopted many leading line, consequently the winding condition of leading line appears easily, medical personnel may need to consume certain time to untie the leading line that twines together in the inspection, it is time-consuming and laboursome, in order to solve this problem, the system still includes a plurality of receipts and restraints the device, it includes convex handle 28 to receive the device, the convex slide of having seted up in the handle 28, it has receipts bundle pole 29 to slide in the slide, it has a plurality of through wires holes 35 that are used for holding the leading line to set up on the receipts bundle pole 29, through wires hole 35 intercommunication has threading passageway 36, threading passageway 36 link up and receives the lateral wall of bundle pole 29. When the binding device is used, the lead wires can be divided into a plurality of groups according to requirements or habits, the lead wires in the same group are bound together by using a binding device, so that the mutual winding of the lead wires is avoided, specifically, the extending length of the binding rod 29 is adjusted according to the number of the lead wires in the same group, the number of the thread holes 35 exposed on the binding rod 29 is consistent with the number of the lead wires in the same group, then the lead wires are put into the thread holes 35 through the thread passages 36 in a one-to-one correspondence manner, and the lead wires in the same group are bound together by using the binding rod 29. In use, a medical professional may grasp the handle 28 and work to adjust the position of the cinch bar 29 on the lead wire to facilitate manipulation of the inductive head to which the lead wire is attached. By adopting the bundling device, the bundling management of the lead wires can be effectively finished, and the mutual winding of the lead wires is avoided.

To avoid the lead wire from escaping from the threading hole 35 during use, the middle of the threading channel 36 is provided with an arc-shaped section 37. When putting into threading hole 35 with the lead wire, can crooked lead wire makes the lead wire can pass arc section 37 smoothly, puts into threading hole 35 at the lead wire after, because the lead wire can't be crooked by oneself, consequently can not pass arc section 37 smoothly to avoid the lead wire to pass threading passageway 36, realize avoiding the effect that the lead wire deviate from threading hole 35.

The arrangement of the beam-collecting rod 29 is as follows: the slide way is communicated with a through groove 30, the through groove 30 penetrates through the side wall of the handle 28, the bundling rod 29 is fixedly connected with a second elastic sheet 33, the second elastic sheet 33 is parallel to the through groove 30, the second elastic sheet 33 is fixedly connected with two positioning columns 32 and a pressing rod 34, the pressing rod 34 is located between the two positioning columns 32 and penetrates through the through groove 30, the slide way is further communicated with a plurality of groups of positioning holes 31, two positioning holes 31 in each group are arranged, and the two positioning holes 31 in the same group are located on two sides of the through groove 30. When the extending length of the beam-collecting rod 29 needs to be adjusted, the pressure lever 34 is firstly pressed, the pressure lever 34 drives the second elastic sheet 33 to deform, then the pressure lever 34 is pushed to move, the pressure lever 34 drives the beam-collecting rod 29 to move through the second elastic sheet 33, when the beam-collecting rod 29 moves to a proper position, the pressure lever 34 is loosened, the second elastic sheet 33 resets and pushes the positioning column 32 to be inserted into the positioning hole 31, and therefore the position of the beam-collecting rod 29 is fixed by matching the positioning column 32 and the positioning hole 31, and the adjusting process of the extending length of the beam-collecting rod 29 is completed. The arrangement mode of the beam-collecting rod 29 can conveniently and quickly adjust the position of the beam-collecting rod 29, and the time required by medical personnel for adjusting the extension length of the beam-collecting rod 29 is reduced. In order to ensure that the positioning column 32 can be inserted into the positioning hole 31 smoothly, the diameter of the positioning column 32 should be smaller than the diameter of the positioning hole 31, it should be noted that, at this time, the positioning column 32 can move within a small range in the positioning hole 31, so that the beam-collecting rod 29 can move within a small range, but because the positioning column 32 cannot be pulled out from the positioning hole 31 under the condition of not pressing the pressing rod 34, the position of the beam-collecting rod 29 does not change greatly, so as to ensure that the beam-collecting lead wire can be taken up.

Based on the electrocardiogram system, the invention also provides an electrocardiogram detection method, which comprises a preparation stage and a detection stage which are alternately carried out.

The preparation phase includes S11 to S12.

And S11, placing the induction head into the accommodating mechanism.

And S12, adding the conductive liquid into the sponge block 10.

The detection phase includes S21 to S24.

And S21, taking the induction head out of the containing mechanism, and attaching the conical tube 4 to the body of the patient.

S22, pressing the balloon 1 to make the gas in the balloon 1 enter the installation tube 8 to push the piston 12.

S23, pressing the sponge block 10 during the movement of the piston 12 to make the conductive liquid in the sponge block 10 flow into the conical tube 4 through the outflow hole 11 until the piston 12 opens the vent hole 13.

S24, the conductive liquid flows between the electrode plate 5 and the body of the patient through the first through hole 6 and the second through hole 7, and the extension piece 16 passes through the vent hole 13 under the action of the first elastic piece 14.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. Can paint inductive head of conducting solution automatically, its characterized in that: the electrode plate fixing device comprises a balloon (1), a communicating pipe (3) and a conical pipe (4) which are fixedly connected in sequence, a fixing plate (2) is fixedly arranged in the communicating pipe (3), a mounting pipe (8) penetrates through the fixing plate (2), at least one vent hole (13) and at least one outflow hole (11) are formed in the mounting pipe (8), the vent hole (13) is close to the balloon (1), the outflow hole (11) is close to the conical pipe (4), one end, facing the conical pipe (4), of the mounting pipe (8) is sealed through a sealing plate (9), a piston (12) is arranged in the mounting pipe (8) in a sliding mode, the vent hole (13) is opened or sealed in the sliding process of the piston (12) in the mounting pipe (8), a containing cavity is formed between the piston (12) and the sealing plate (9), the containing cavity is communicated with the outflow hole, a sponge block (10) is arranged in the containing cavity, an electrode plate (5) is fixedly arranged inside of one end, far away from the balloon (1), of the conical pipe (4), two first through holes (6) and at least one second through hole (7) are formed in the electrode plate (5).

2. The inductive head capable of automatically smearing conductive liquid as claimed in claim 1, wherein: at least one limiting mechanism is fixedly connected to the outer wall of the installation pipe (8), the limiting mechanism comprises a first elastic sheet (14) fixedly connected with the installation pipe (8), the first elastic sheet (14) is fixedly connected with an extension sheet (16), and the extension sheet (16) is correspondingly inserted into the air vent (13).

3. The inductive head capable of automatically smearing conductive liquid as claimed in claim 2, wherein: the first elastic sheet (14) is fixedly connected with a pulling sheet (15) which is parallel to the electrode plate (5), the pulling sheet (15) is aligned to the second through hole (7), and the pulling sheet (15) and the extending sheet (16) are respectively positioned on two sides of the first elastic sheet (14).

4. An electrocardiogram system characterized by: the induction head comprises an electrocardiograph, a plurality of lead wires electrically connected with the electrocardiograph, a plurality of induction heads according to claim 3 and a receiving mechanism for receiving the induction heads, wherein the electrode plates (5) of the induction heads are electrically connected with the lead wires in a one-to-one correspondence mode.

5. The electrocardiogram system of claim 4 wherein: storage mechanism is including holding groove (17) and bin (23) of setting up from top to bottom, holds and is provided with a plurality ofly in groove (17) and is used for holding box body (18) of conical tube (4) to the top of box body (18) is opened, holds two connecting plates (20) that are parallel to each other of fixedly connected with between groove (17) and bin (23), fixedly between two connecting plates (20) is provided with two drainage pumps (21), and drainage pump (21) all communicate with bin (23) and all box bodies (18), has held the conducting liquid in bin (23).

6. The electrocardiogram system of claim 5 wherein: two spray heads (26) and at least one ejector rod (19) are fixedly arranged in the box body (18), the spray heads (26) are communicated with a flow guide pipe (27), the flow guide pipe (27) is correspondingly communicated with the drainage pump (21), when the conical pipe (4) is placed in the box body (18), the spray heads (26) correspondingly penetrate through the first through holes (6), and the ejector rods (19) correspondingly penetrate through the second through holes (7) to be contacted with the wrenching piece (15).

7. The electrocardiogram system of claim 4 wherein: the bundling device comprises a plurality of bundling devices, each bundling device comprises a circular arc-shaped handle (28), a circular arc-shaped slide way is arranged in each handle (28), a bundling rod (29) is arranged in each slide way in a sliding mode, a plurality of threading holes (35) used for containing the lead wires are formed in each bundling rod (29), each threading hole (35) is communicated with a threading channel (36), and each threading channel (36) penetrates through the outer side wall of each bundling rod (29).

8. The electrocardiogram system of claim 7 wherein: the middle part of the threading channel (36) is provided with an arc-shaped section (37).

9. Detection method based on an electrocardiogram system according to claim 4, characterized in that: comprises a preparation phase and a detection phase which are alternately carried out;

the preparation phase comprises the following steps:

s11, placing the induction head into the containing mechanism;

s12, adding a conductive liquid into the sponge block (10);

the detection stage comprises the following steps:

s21, taking the induction head out of the containing mechanism, and fitting the conical tube (4) on the body of the patient;

s22, pressing the balloon (1) to enable the gas in the balloon (1) to enter the installation tube (8) to push the piston (12);

s23, pressing the sponge block (10) during the movement of the piston (12) to enable the conductive liquid in the sponge block (10) to flow into the conical tube (4) through the outflow hole (11) until the piston (12) opens the vent hole (13);

s24, the conductive liquid flows between the electrode plate (5) and the body of the patient through the first through hole (6) and the second through hole (7), and the extension piece (16) penetrates through the vent hole (13) under the action of the first elastic piece (14).

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