CN115089880A - Wearable electrode and wearable automatic defibrillator - Google Patents
Wearable electrode and wearable automatic defibrillator Download PDFInfo
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- CN115089880A CN115089880A CN202210706607.6A CN202210706607A CN115089880A CN 115089880 A CN115089880 A CN 115089880A CN 202210706607 A CN202210706607 A CN 202210706607A CN 115089880 A CN115089880 A CN 115089880A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 168
- 239000002184 metal Substances 0.000 claims abstract description 168
- 238000012360 testing method Methods 0.000 claims description 21
- 239000011888 foil Substances 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 11
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 229910052738 indium Inorganic materials 0.000 claims description 9
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 9
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 description 20
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- 238000010586 diagram Methods 0.000 description 4
- 206010049418 Sudden Cardiac Death Diseases 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 208000014221 sudden cardiac arrest Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
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- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 239000002131 composite material Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
- A61N1/39—Heart defibrillators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/251—Means for maintaining electrode contact with the body
- A61B5/256—Wearable electrodes, e.g. having straps or bands
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/332—Portable devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
- A61N1/39—Heart defibrillators
- A61N1/3987—Heart defibrillators characterised by the timing or triggering of the shock
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
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Abstract
The present invention provides a wearable electrode, comprising: the metal sheet comprises a contact surface for contacting a human body and a back surface opposite to the contact surface; the soft cushion is arranged on the back of the metal sheet and comprises a plurality of through holes which are uniformly distributed and penetrate through two surfaces of the soft cushion; the hard electrodes are respectively and movably arranged in the through holes; the plurality of first leads respectively extend into the through holes from one end of the metal sheet back to the metal sheet and are connected with the corresponding hard electrodes; the soft metal layer is arranged between the metal sheet and one surface of the soft cushion facing the metal sheet, one surface of the soft metal layer facing the metal sheet is tightly attached to the metal sheet, and one surface of the soft metal layer facing the soft cushion extends into the plurality of through holes and is connected with the plurality of hard electrodes respectively. The wearable electrode provided by the invention can be bent according to the surface form of the body of a patient, so that the wearing comfort of the wearable automatic defibrillator is improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a wearable electrode and a wearable automatic defibrillator.
Background
The automatic external defibrillator is also called as an automatic external electric shock device, an automatic defibrillator, a cardiac defibrillator, a fool electric shock device and the like, is a portable medical device, can diagnose specific arrhythmia and give electric shock defibrillation, and is a medical device which can be used by non-professionals for rescuing patients with cardiac arrest. When the patient suffers from ventricular fibrillation to cause sudden cardiac arrest, the patient can be effectively prevented from sudden death only by defibrillation and cardiopulmonary resuscitation in the golden 4 minutes of the optimal rescue time, and most of the patients suffering from sudden cardiac arrest are in the environment without the presence of professionals during the attack, so that an Automatic External Defibrillator (AED) for non-professionals is arranged in a public environment, and the survival probability of the patients suffering from sudden cardiac arrest can be greatly improved.
Along with the progress of technique, a wearable automatic defibrillator is applied to medical field, provide personal automatic rescue help for the patient that has potential fibrillation risk, wearable automatic defibrillator's electrode is retrained on the predetermined position of patient's body surface through the constraint structure that accords with human engineering, but the area of these electrodes is great, and in order to realize the purpose of discharging to the patient, the electrode adopts the metal to make usually, and hug closely the patient body surface, easily cause patient's discomfort, the patient refuses to use wearable automatic defibrillator because of this kind of discomfort often, thereby the chance of rescue is missed when the morbidity.
Disclosure of Invention
The invention aims to provide a wearable electrode and a wearable automatic defibrillator, so as to solve the technical problems in the prior art.
The invention provides a wearable electrode, which comprises:
the metal sheet comprises a contact surface for contacting a human body and a back surface opposite to the contact surface;
the soft pad is arranged on the back surface of the metal sheet and comprises a plurality of through holes which are uniformly distributed and penetrate through the two surfaces of the soft pad;
the hard electrodes are respectively and movably arranged in the through holes;
the plurality of first leads respectively extend into the through holes from one end of the metal sheet back to the metal sheet and are connected with the corresponding hard electrodes;
a soft metal layer, set up in the foil with the cushion orientation between the one side of foil, soft metal layer orientation foil's one side with the foil closely laminates, soft metal layer orientation the one side of cushion extends to in a plurality of the through-hole, and respectively in a plurality of the stereoplasm electrode is connected.
Further, the thickness of the soft metal layer is larger than that of the metal sheet.
Furthermore, the material of the soft metal layer comprises indium or indium-tin alloy.
Furthermore, the metal sheet is made of copper or aluminum.
Further, the hard electrode is a metal ball or a metal pin.
Furthermore, the hard electrode is made of copper or aluminum.
Furthermore, the cushion material is rubber.
Furthermore, the cross section of the through hole is circular.
Further, the distance between the adjacent through holes is larger than the diameter of the through holes.
Further, the method also comprises the following steps:
at least one second conductive line;
the hard electrode is not arranged in at least one through hole, and at least one second lead passes through the through hole without the hard electrode and is directly connected with the soft metal layer, or
The second lead bypasses the soft pad and is directly connected with the soft metal layer.
Further, the method also comprises the following steps:
at least one third conductive line;
at least one of the third wires bypasses the soft pad and the soft metal layer and is directly connected with the metal sheet.
Further, the method also comprises the following steps:
the soft sleeve is characterized in that the metal sheet, the soft metal layer and the soft cushion are wrapped in the soft sleeve, an opening is formed in one surface of the soft sleeve, which corresponds to the metal sheet, the metal sheet in the soft sleeve is exposed through the opening, and the edge of the metal sheet is fixedly connected with the edge of the opening.
Also provided is a wearable automatic defibrillator, which comprises the wearable electrode.
Further, the method also comprises the following steps:
a control unit;
the selection circuit is connected with the control unit and is respectively communicated with the plurality of hard electrodes, the soft metal layer and the metal sheet under the control of the control unit;
and the test circuit is connected with the control unit and the selection circuit and is used for testing whether the conduction is carried out between every two hard electrodes, between every hard electrode and the soft metal layer, between every hard electrode and the metal sheet, and/or between the soft metal layer and the metal sheet under the control of the control unit.
Further, the method also comprises the following steps:
and the discharge circuit is connected with the control unit and the selection circuit and is used for discharging to the wearable electrode under the control of the control unit.
Further, the method also comprises the following steps:
and the prompting unit is connected with the control unit and is used for giving out a prompt under the control of the control unit before the discharge circuit discharges to the wearable electrode.
Further, the method also comprises the following steps:
the discharge circuit is connected with the control unit and used for sending a discharge cancellation signal to the control unit before the discharge circuit discharges to the wearable electrode;
a trigger mechanism disposed in the cancellation circuit for operatively controlling the cancellation circuit to send out the discharge cancellation signal.
Further, the trigger mechanism includes a trigger button.
Further, the method also comprises the following steps:
the electrocardio data acquisition unit is connected with the control unit and is connected with the soft metal layer and/or the metal sheet through the selection circuit;
and the electrocardiogram data judging unit is connected with the electrocardiogram data acquisition unit and the control unit and used for sending a signal for discharging to the wearable electrode to the control unit when the acquired electrocardiogram data is abnormal.
Further, the method also comprises the following steps:
the low-power-consumption alarm unit is connected with the electrocardio-data judging unit and is used for entering a working state from a dormant state when the electrocardio-data meets a first preset condition so as to be connected with an external mobile terminal;
and the high-power-consumption alarm unit is connected with the electrocardiogram data judgment unit and the first power-consumption alarm unit and is used for alarming from a dormant state to a working state when the electrocardiogram data are abnormal or the low-power-consumption alarm unit cannot be connected with the external mobile terminal.
Further, the low-power alarm unit comprises a Bluetooth communication device, a Zigbee communication device and a near field communication device.
Further, the high power consumption alarm unit comprises a mobile network communication device.
The wearable electrode provided by the invention can be bent according to the surface form of the body of a patient, so that the wearing comfort of the wearable automatic defibrillator is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic cross-sectional view of an embodiment of a wearable electrode provided in the present invention;
FIG. 2 is an exploded view of a cushion, a hard electrode soft metal layer, and a foil in an embodiment of a wearable electrode provided by the present invention;
FIG. 3 is a cross-sectional view of an assembled middle cushion, hard electrode soft metal layer and metal sheet of an embodiment of the wearable electrode provided by the invention;
fig. 4 is a block diagram of an embodiment of a wearable automatic defibrillator provided by the present invention;
fig. 5 is a circuit diagram of an embodiment of a selection circuit and a test circuit of a wearable automatic defibrillator provided by the present invention;
fig. 6 is a block diagram of an embodiment of a wearable automatic defibrillator provided by the present invention, which has an electrocardiographic data acquisition unit and an electrocardiographic data determination unit;
fig. 7 is a block diagram of an embodiment of a wearable automatic defibrillator having a low power alarm unit and a high power alarm unit according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.
In an embodiment of the present invention, as shown in fig. 1 to 3, a wearable electrode is provided, which includes:
a metal sheet 101 including a contact surface for contacting a human body and a back surface opposite to the contact surface;
a soft pad 102 disposed on the back of the metal foil 101, wherein the soft pad 102 includes a plurality of through holes 103 uniformly distributed and penetrating through both sides of the soft pad;
a plurality of hard electrodes 104 movably disposed in the plurality of through holes 103, respectively;
a plurality of first wires 105 respectively extending from one end of the through hole 103 opposite to the metal sheet 101 and connected with the corresponding hard electrodes 104;
a soft metal layer 106 disposed between the metal sheet 101 and the surface of the soft pad 102 facing the metal sheet 101, wherein the surface of the soft metal layer 106 facing the metal sheet 101 is tightly attached to the metal sheet 101, and the surface of the soft metal layer 106 facing the soft pad 102 extends into the plurality of through holes 103 and is connected to the plurality of hard electrodes 104.
Wearable automatic defibrillator usually needs to use two wearing formula electrodes at least, and one of them wearing formula electrode pastes in patient's left nipple lateral lower side, and another wearing formula electrode pastes directly under patient's right side clavicle, and among the prior art, because the human position that the electrode pasted is not flat, and every patient's size all has the difference, therefore the patient can feel very uncomfortable when wearing formula electrode. However, some bendable electrodes in the prior art can only be bent according to a preset fold, and cannot be bent at will according to the body shape of a patient, so that the wearing comfort of the wearable electrode cannot be really improved.
In the above technical solution, the metal sheet 101 can be arbitrarily bent according to the shape of the body surface of the patient, the cushion 102 can be bent together with the metal sheet 101, the hard electrodes 104 in the plurality of through holes 103 uniformly distributed in the cushion 102 can enable the electric energy to be uniformly and sufficiently applied to the metal sheet 101, the soft metal layer 106 between the cushion 102 and the metal sheet 101 closely clings to one surface of the metal sheet 101 facing the cushion 102, when the metal sheet 101 is bent, the soft metal layer 106 can provide sufficient flexibility for the metal sheet 101, and simultaneously the bending radius of the metal sheet 101 when bent is increased, so as to prevent the metal sheet 101 from being bent to a sharp angle to cause the metal sheet 101 to break.
Furthermore, the soft metal layer 106 is also used to connect the metal sheet 101 and the hard electrode 104 located in the through hole 103 of the soft pad 102, when the metal sheet 101 and the soft metal layer 106 are bent together, the soft pad 102 is bent along with the bending, and at this time, the hard electrode 104 in the through hole 103 of the soft pad 102 is pulled or pushed by the soft metal layer 106 to change the relative position in the through hole 103, and at this time, the soft pad 102 can provide a buffer for the hard electrode 104, so as to prevent the hard electrode 104 and the first lead 105 connected to the hard electrode 104 from being squeezed or collided, which results in the damage of the connection between the hard electrode 104 and the first lead 105.
On this basis, it is further preferable that the thickness of the soft metal layer 106 may be larger than the thickness of the metal foil 101. In this solution, the soft metal layer 106 having a thickness greater than that of the metal sheet 101 can provide sufficient flexibility for the metal sheet 101 and sufficient support when the metal sheet 101 is bent to prevent the metal sheet 101 from being broken.
As a preferred embodiment, the material of the soft metal layer 106 may include indium or indium-tin alloy. In the technical scheme, the indium or indium-tin alloy is a soft metal and has ductility, the soft metal layer 106 can be bent at will when the thickness is smaller, and the indium or indium-tin alloy has a lower melting point, so that the liquid indium or indium-tin alloy can be filled between the metal sheet 101 and the cushion 102 during processing, the liquid indium or indium-tin alloy has good fluidity and a good gap filling effect, the liquid indium or indium-tin alloy can fully flow into each through hole 103 of the cushion 102 to be in full contact with the hard electrode 104, and a welding assisting measure can be taken on one surface of the metal sheet 101 facing the cushion 102 and the surface of the hard electrode 104, so that the indium or indium-tin alloy is solidified to generate a welding effect with the metal sheet 101 and the hard electrode 104. Preferably, the flux is used as the flux aid.
As a preferred embodiment, the material of the metal sheet 101 may be copper or aluminum.
As a preferred embodiment, the thickness of the metal foil 101 may be set in the range of 0.1mm to 0.5mm, and on this basis, the thickness of the soft metal layer 106 may be preferably 2 to 3 times the thickness of the metal foil 101.
As a preferred embodiment, the hard electrode 104 may be a metal ball or a metal pin. In the technical scheme, the hard electrode 104 can be realized by adopting a metal ball or a metal pin with a shape matched with the through hole 103, so that the hard electrode 104 has the capability of moving in the through hole 103 along the length direction of the through hole, when the soft pad 102 deforms due to bending, the through hole 103 deforms along with the deformation of the soft pad 102, and the hard electrode 104 which can move in the length direction of the through hole 103 can better adapt to the deformation of the through hole 103.
In addition, it is further preferable that the hard electrode 104 is made of copper or aluminum.
In addition, it is further preferable that the cushion 102 is made of a heat-resistant elastic material, such as a heat-resistant rubber material.
On this basis, it is further preferable that the cross section of the through hole 103 may be circular or elliptical.
Further preferably, the distance between the adjacent through holes 103 may be greater than the diameter of the through holes 103, and in this embodiment, the distance between the adjacent through holes 103 is greater than the diameter of the through holes 103, so as to reduce the resistance of the hard electrode 104 in each through hole 103 to the bending of the cushion 102.
In the above technical solution, the wearable electrode is a sheet-shaped body as a whole, the size can be predefined according to the size of the applicable patient, and the specific definition of the size is well documented in the prior art and is not a concern of the self-help, and thus is not described in detail.
Further, the method can also comprise the following steps:
at least one second conductive line 107;
at least one through hole 103 is not provided with the hard electrode 104, and at least one second lead 107 passes through the through hole not provided with the hard electrode 104 and is directly connected with the soft metal layer 106, or
The second wire 107 is routed around the soft pad 102 and directly connected to the soft metal layer 106.
In an alternative embodiment, each hard electrode 104 is connected to each hard electrode 104 through a first wire 105 and the soft metal layer 106 is connected to the second wire 107 through a selection circuit, and the selection circuit selectively connects or disconnects each hard electrode 104 or the soft metal layer 106, so that the conduction condition between each hard electrode 105 and the soft metal layer 106 can be tested. For example, a pair of hard electrodes 104 can be selectively conducted by a selection circuit to test whether the pair of hard electrodes 104 are conducted, and thus whether the hard electrodes 104 are conducted or not can be tested, and since all the hard electrodes 104 are conducted through the soft metal layer 106, it can be tested whether the connection between each hard electrode and the soft metal layer 106 is normal or not. The wearable electrode plate provided by the application can be bent according to the surface appearance of a patient, and after bending, whether the connection between the hard electrode 104 and the soft metal layer 106 is damaged in the bending process can be tested by the method. In addition, all the hard electrodes 104 can be disconnected by the selection circuit, and only the connection with the soft metal layer 106 is kept, so that the soft metal layer 106 and the metal sheet 101 can be used as a single independent electrode for detecting the patient electrocardiogram data.
On this basis, it is further preferable that:
at least one third conductive line 108;
at least one third wire 108 is routed around the cushion 102 and the soft metal layer 106 to directly connect to the foil 101.
In this embodiment, the selection circuit described above can be controllably connected to or disconnected from the foil 101 through at least one third conductive line 108. For example, the selection circuit can selectively disconnect all the hard electrodes 104 connected with the first wire 105, and connect the soft metal layer 106 through the second wire 107, and connect the metal sheet 101 through the third wire 108 to test whether the connection between the soft metal layer 106 and the metal sheet 101 is damaged. It is also possible to disconnect all the hard electrodes 104 and the soft metal layer 106 through the selection circuit, and only maintain the connection with the metal sheet 101, so that the metal sheet 101 can be used as a separate electrode for detecting the electrocardiographic data of the patient.
An insulation area is usually reserved in an electrode plate of the existing automatic defibrillator, a small metal area is embedded in the insulation area to serve as an electrode for detecting the electrocardiogram data of a patient, the embedded electrode is used for detecting the electrocardiogram data of the patient, the area of the electrode for detecting the electrocardiogram data of the patient is small in order to not influence the discharge of the electrode plate because the electrode is embedded in a discharge electrode plate of the automatic defibrillator, therefore, the electrode can not be accurately aligned to a required detection position often, and can be accurately aligned only by an experienced person, and under the condition of a wearable automatic defibrillator used by non-professionals, the position of the embedded electrode which is not aligned to the electrode and has a small area is easy to move along with the body movement of the patient when the embedded electrode is worn on the body of the patient, so that the wearable automatic defibrillator can not accurately acquire the electrocardiogram data of the patient, thereby missing the rescue opportunity. According to the technical scheme, the area of the electrode for detecting the electrocardiogram data of the patient is completely the same as that of the wearable electrode plate, and the defects that the position is difficult to align due to small area of the embedded electrode and the position is moved due to body movement of the patient in the prior art are overcome.
On the basis of the above technical solution, it is further preferable that the method further includes:
the soft sleeve 110, the metal sheet 101, the soft metal layer 106 and the soft pad 102 are wrapped in the soft sleeve 110, an opening is formed in one side of the soft sleeve 110 corresponding to the metal sheet 101, the metal sheet 101 in the soft sleeve 110 is exposed through the opening, and the edge of the metal sheet 101 is fixedly connected with the edge of the opening.
In the technical scheme, the soft sleeve 110 wraps the soft pad 102, the composite structure formed by stacking the soft metal layer 106 and the metal sheet 101, the soft sleeve can be laterally provided with an outlet for the first lead 105, the second lead 107 and the third lead 108 to extend out, and further preferably, a connector can be arranged at the outlet, is connected with the first lead 105, the second lead 107 and the third lead 108, and provides an interface for the wearable automatic defibrillator to access, and further preferably, the interface for the wearable automatic defibrillator to access can be pluggable and can be used for replacing the wearable electrode.
Based on the above technical solution, it is further preferable that the soft cover 110 is formed by soft rubber, for example, the soft cover is made of silicon rubber. On the basis, it is further preferable that the inner and outer sides of one surface of the soft cover 110 corresponding to the soft pad 102 may be provided with grooves corresponding to the interval between the through holes 103. In the technical scheme, the inner side and the outer side of one surface of the soft sleeve 110 corresponding to the soft pad 102 are provided with the grooves, so that the soft sleeve 110 is more convenient to bend.
In the above technical solution, the larger the number of the hard electrodes 104, the smaller the area of the single hard electrode 104 projected on the metal sheet 101, and therefore, when more hard electrodes 104 are provided, the smaller the cross-sectional area of the single hard electrode 104 parallel to the opening of the through hole 103, i.e. the smaller the resistance of the single hard electrode 104 to the bending of the entire soft pad 102, i.e. the more the hard electrodes 104 are provided, the greater the degree of freedom of bending of the soft pad 102.
In the technical solution of the present application, a wearable automatic defibrillator is further provided, as shown in fig. 4, including the wearable electrode.
In a preferred embodiment, the method further comprises:
a control unit;
a selection circuit connected to the control unit and respectively connected to the plurality of hard electrodes 104, the soft metal layer 106 and the metal sheet 101 under the control of the control unit;
and the test circuit is connected with the control unit and the selection circuit and used for testing whether the connection between every two hard electrodes 104, between each hard electrode 104 and the soft metal layer 106, between each hard electrode 104 and the metal sheet 101 and between the soft metal layer 106 and the metal sheet 101 is conducted or not under the control of the control unit.
The above description and how the selection circuit selects the hard electrode 104, the soft metal layer 106, and the metal sheet 101 for testing are not repeated here.
In a preferred embodiment, as shown in fig. 5, the selection circuit may include a plurality of first switches 201 respectively connected in series to each first conductive line 105, a second switch 202 connected in series to the second conductive line 107, and a third switch 203 connected in series to the third conductive line 108, and the hard electrode 104, the soft metal layer 106, and the metal foil 101 may be selected by controlling on and off of the first switch 201, the second switch 202, and the third switch 203.
Further preferably, the first switch 201, the second switch 202, and the third switch 203 may be MOS (Metal Oxide Semiconductor) transistors, and the selection circuit may further include a signal generating device connected to a gate of each of the MOS transistors forming the first switch 201, the second switch 202, and the third switch 203 to control on and off of the MOS transistors. Optionally, the signal generating device may be formed by a microcontroller or a single chip microcomputer, the microcontroller or the single chip microcomputer is connected to the gates of the MOS transistors forming the first switch 201, the second switch 202, and the third switch 203 through pins, and the gates of the MOS transistors may be controlled by setting the pins of the microcontroller or the single chip microcomputer.
In a preferred embodiment, the test circuit may include a plurality of test terminals, the test circuit includes a hard electrode 104, a soft metal layer 106, or a metal sheet 101 selected by the selection circuit, and the test circuit sequentially sets a bit on one of the test terminals, and then reads the other test terminals, and whether the hard electrode 104, the soft metal layer 106, or the metal sheet 101 selected by the selection circuit is turned on may be determined according to whether the other test terminals read valid bits. Preferably, a plurality of test terminals in the test circuit may be respectively connected to each first conductive line 105 through a fourth switch 301, to the second conductive line 107 through a fifth switch 302, and to the third conductive line 108 through a sixth switch 303, further preferably, the fourth switch 301, the fifth switch 302, and the sixth switch 303 may be MOS transistors, a gate of the MOS transistor forming the fourth switch 301 is connected to a gate of the MOS transistor forming the first switch 201, a gate of the MOS transistor forming the fifth switch 302 is connected to a gate of the MOS transistor forming the second switch 202, a gate of the MOS transistor forming the sixth switch 303 is connected to a gate of the MOS transistor forming the third switch 203, the plurality of test terminals may be a plurality of pins of a microcontroller or a single chip microcomputer, set on one of the pins, if a valid bit is not read on the other pin, indicating the first conductive line 105 connected to the pin, or the second wire 107 or the third wire 108 is not conducted with the wire connected with other pins, if a valid bit is read on other pins, it indicates that the first wire 105 or the second wire 107 or the third wire 108 connected with the pin reading the valid bit is not conducted. The setting is sequentially carried out on each pin, the conducting condition of the conducting wires connected with all the pins can be traversed, and the first switch 201, the second switch 202 and the third switch 203 can be gated according to the selection circuit, wherein the pins of the first switch 201, the second switch 202 and the third switch 203 output corresponding binary codes to directly test the gated first switch 201, the gated second switch 202 and the gated first wire 105, the gated second wire 107 and the gated third wire 108.
It is understood that although the MOS in fig. 5 all use PMOS transistors, NMOS transistors may be used for implementing the control signal level replacement.
In a preferred embodiment, the method may further include:
and the discharge circuit is connected with the control unit and the selection circuit and is used for discharging to the wearable electrode under the control of the control unit.
The discharge circuit in an automatic defibrillator is well known in the art and is not the focus of this application and will not be described in detail.
In a preferred embodiment, as shown in fig. 6, the method may further include:
and the prompting unit is connected with the control unit and used for giving out a prompt under the control of the control unit before the discharge circuit discharges to the wearable electrode.
In the technical scheme, the control unit judges whether to implement rescue according to a preset judgment logic, controls the discharge circuit to make preparation of discharge when the control unit considers that the rescue needs to be carried out, and prompts the patient by the prompt unit at the moment so as to prevent the control unit from misjudgment.
On the basis, the method further preferably further comprises the following steps:
the cancelling circuit is connected with the control unit and is used for sending a signal for cancelling discharge to the control unit before the discharge circuit discharges to the wearable electrode;
a trigger mechanism, which is arranged in the cancellation circuit and is used for controlling the cancellation circuit to send out a signal for canceling discharge.
According to the technical scheme, the trigger mechanism in the cancelling circuit provides an operation opportunity for cancelling discharge for a patient, namely when the control unit judges mistakenly, the patient can enable the cancelling circuit to form a discharge cancelling signal to the control unit by operating the trigger mechanism, and the control unit controls the discharge circuit to cancel preparation for discharge cancellation after receiving the discharge cancelling signal and does not discharge any more. Preferably, the trigger mechanism may comprise a trigger button.
On the basis, the wearable automatic defibrillator is worn by a patient, so that the posture judgment unit can judge the current posture of the patient by judging the posture of the wearable automatic defibrillator, for example, whether the patient falls down or loses mobility can be judged, when the patient falls down or loses mobility, a posture judgment signal can be sent to the control unit, if the control unit does not receive the posture control signal, and the judgment logic judges that the patient needs to be rescued currently, the possibility of misjudgment is high, at the moment, the controllable prompting unit prompts the patient, if the patient is in a normal state at the moment, the circuit can be cancelled through the operation of the trigger mechanism according to the prompt of the prompting unit, the signal of discharge is cancelled in the production, if the patient is in the state of morbidity this moment, the control unit does not receive the signal of canceling discharge after starting suggestion unit predetermined time, then will control the circuit of discharging and discharge in order to save the patient.
In a preferred embodiment, the method may further include:
the electrocardiogram data acquisition unit is connected with the control unit and is connected with the soft metal layer or the metal sheet through the selection circuit or is simultaneously connected with the soft metal layer or the metal sheet;
and the electrocardiogram data judging unit is connected with the electrocardiogram data acquisition unit and the control unit and is used for sending a signal for discharging to the wearable electrode to the control unit when the acquired electrocardiogram data are abnormal.
According to the technical scheme, the electrocardio data of the patient collected by the electrocardio data collecting unit is used as a judgment basis of judgment logic, the electrocardio data judging unit judges according to the electrocardio data, when the judgment is abnormal, the electrocardio data judging unit can control the unit to send a signal for discharging to the wearable electrode, and the control unit can control the discharging circuit to prepare for discharging after receiving the signal.
In a preferred embodiment, as shown in fig. 7, the method may further include:
the low-power-consumption alarm unit is connected with the electrocardio-data judging unit and is used for entering a working state from a dormant state when the electrocardio-data meets a first preset condition so as to be connected with an external mobile terminal;
and the high-power-consumption alarm unit is connected with the electrocardio-data judging unit and the first power-consumption alarm unit and is used for alarming from a dormant state to a working state when the electrocardio-data is abnormal or the low-power-consumption alarm unit cannot be connected with an external mobile terminal.
In the technical scheme, the external mobile terminal can be a mobile phone carried by a patient, optionally, the low-power alarm unit comprises a Bluetooth communication device, a Zigbee communication device and a near field communication device, the mobile phone can be preset with the equipment number of the low-power alarm unit, or the equipment handshake information, the first power consumption alarm unit is awakened from the dormant state, when a connection signal is sent to the mobile phone, the mobile phone can directly code the equipment number of the low-power consumption alarm unit carried in the connection request after receiving the connection request of the first power consumption alarm unit, or the equipment handshake information is matched, if the equipment handshake information is matched with the preset equipment number, or the equipment handshake information is corresponding to the preset equipment number, the preset telephone number is directly dialed or a short message is sent for alarming, the connection between the low-power-consumption alarm unit and the mobile phone is not required to be waited for, and the preset telephone number can be the telephone number of the close relatives or guardians of the patient.
On the basis, it is further preferable that the high power consumption alarm unit includes a mobile network communication device, and similarly, a telephone number of a patient close relative or a guardian can be preset in the mobile network communication device, and when an alarm is required, the high power consumption alarm unit can directly dial or send a short message through the preset telephone number.
Preferably, the first predetermined condition may be that the electrocardiographic data is not abnormal, but is located at a critical value, and the critical value may be a range section corresponding to one index of the electrocardiographic data or a group of range sections corresponding to multiple indexes of the electrocardiographic data, and when one or more indexes of the electrocardiographic data of the patient fall into the range section or the group of range sections, it may be determined that the first predetermined condition is satisfied.
According to the technical scheme, the low-power-consumption alarm unit is used for enabling the electrocardiogram data of the patient to be normal, but one or more electrocardiogram data indexes alarm when reaching a critical value, and the high-power-consumption alarm unit is used for alarming when the first power-consumption alarm unit cannot complete alarming or the electrocardiogram data of the patient is abnormal, so that the number of times of using the high-power-consumption alarm unit can be reduced, and the electric quantity consumption of the wearable automatic defibrillator is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (22)
1. A wearable electrode, comprising:
the metal sheet comprises a contact surface for contacting a human body and a back surface opposite to the contact surface;
the soft pad is arranged on the back surface of the metal sheet and comprises a plurality of through holes which are uniformly distributed and penetrate through the two surfaces of the soft pad;
the hard electrodes are respectively and movably arranged in the through holes;
the plurality of first leads respectively extend into the through holes from one end of the metal sheet back to the metal sheet and are connected with the corresponding hard electrodes;
a soft metal layer, set up in the foil with the cushion orientation between the one side of foil, soft metal layer orientation foil's one side with the foil closely laminates, soft metal layer orientation the one side of cushion extends to in a plurality of the through-hole, and respectively in a plurality of the stereoplasm electrode is connected.
2. The wearable electrode of claim 1, wherein the thickness of the soft metal layer is greater than the thickness of the metal sheet.
3. The wearable electrode of claim 1, wherein the soft metal layer comprises indium or an indium-tin alloy.
4. The wearable electrode of claim 1, wherein the foil is made of copper or aluminum.
5. The wearable electrode of claim 1, wherein the hard electrode is a metal ball or a metal pin.
6. The wearable electrode of claim 5, wherein the hard electrode is made of copper or aluminum.
7. The wearable electrode of claim 1, wherein the cushion material is rubber.
8. The wearable electrode of claim 1, wherein the through-hole is circular in cross-section.
9. The wearable electrode of claim 8, wherein a spacing between adjacent through holes is greater than a diameter of the through holes.
10. The wearable electrode of claim 1, further comprising:
at least one second conductive line;
the hard electrode is not arranged in at least one through hole, and at least one second lead passes through the through hole without the hard electrode and is directly connected with the soft metal layer, or
The second lead bypasses the soft pad and is directly connected with the soft metal layer.
11. The wearable electrode of claim 1 or 10, further comprising:
at least one third conductive line;
at least one of the third wires is routed around the soft pad and the soft metal layer and directly connected to the metal sheet.
12. The wearable electrode of claim 1, further comprising:
the soft sleeve is characterized in that the metal sheet, the soft metal layer and the soft cushion are wrapped in the soft sleeve, an opening is formed in one surface of the soft sleeve, which corresponds to the metal sheet, the metal sheet in the soft sleeve is exposed through the opening, and the edge of the metal sheet is fixedly connected with the edge of the opening.
13. A wearable automatic defibrillator comprising the wearable electrode of any of claims 1-12.
14. The automatic defibrillator of claim 13, further comprising:
a control unit;
the selection circuit is connected with the control unit and is respectively communicated with the plurality of hard electrodes, the soft metal layer and the metal sheet under the control of the control unit;
and the test circuit is connected with the control unit and the selection circuit and is used for testing whether the conduction is carried out between every two hard electrodes, between every hard electrode and the soft metal layer, between every hard electrode and the metal sheet, and/or between the soft metal layer and the metal sheet under the control of the control unit.
15. The automatic defibrillator of claim 13, further comprising:
and the discharge circuit is connected with the control unit and the selection circuit and is used for discharging to the wearable electrode under the control of the control unit.
16. The automatic defibrillator of claim 15, further comprising:
and the prompting unit is connected with the control unit and is used for sending a prompt under the control of the control unit before the discharge circuit discharges to the wearable electrode.
17. The automatic defibrillator of claim 16, further comprising:
the discharge circuit is connected with the control unit and used for sending a discharge cancellation signal to the control unit before the discharge circuit discharges to the wearable electrode;
a trigger mechanism disposed in the cancellation circuit for operatively controlling the cancellation circuit to issue the discharge cancellation signal.
18. The automatic defibrillator of claim 17 wherein said triggering mechanism comprises a trigger button.
19. The automatic defibrillator of claim 14 further comprising:
the electrocardio data acquisition unit is connected with the control unit and is connected with the soft metal layer and/or the metal sheet through the selection circuit;
and the electrocardio data judging unit is connected with the electrocardio data acquisition unit and the control unit and is used for sending a signal for discharging to the wearable electrode to the control unit when the acquired electrocardio data is abnormal.
20. The automatic defibrillator of claim 19, further comprising:
the low-power-consumption alarm unit is connected with the electrocardio-data judging unit and is used for entering a working state from a dormant state when the electrocardio-data meets a first preset condition so as to be connected with an external mobile terminal;
and the high-power-consumption alarm unit is connected with the electrocardio-data judging unit and the first power-consumption alarm unit and is used for alarming from a dormant state to a working state when the electrocardio-data is abnormal or the low-power-consumption alarm unit cannot be connected with the external mobile terminal.
21. The automatic defibrillator of claim 20, wherein the low power alarm unit comprises a bluetooth communication device, a zigbee communication device, a near field communication device.
22. The automatic defibrillator of claim 20 wherein the high power alarm unit comprises a mobile network communication device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210706607.6A CN115089880B (en) | 2022-06-21 | 2022-06-21 | Wearable electrode and wearable automatic defibrillator |
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| CN202210706607.6A CN115089880B (en) | 2022-06-21 | 2022-06-21 | Wearable electrode and wearable automatic defibrillator |
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| CN115089880A true CN115089880A (en) | 2022-09-23 |
| CN115089880B CN115089880B (en) | 2023-11-24 |
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| WO2012150528A1 (en) * | 2011-05-03 | 2012-11-08 | Koninklijke Philips Electronics N.V. | Electrode assembly for contacting skin |
| CN108289611B (en) * | 2015-08-26 | 2021-08-06 | 元素科学公司 | Wearable device |
| CN211213094U (en) * | 2019-08-05 | 2020-08-11 | 微动互联（北京）科技有限公司 | Wearable wireless electrocardiogram acquisition monitoring patch |
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