TWI719792B - Physiological monitor - Google Patents

Abstract

The present invention discloses a physiological monitor comprising a closed casing, a circuit unit, a protective cover and a signal measuring patch, which can be attached to the body surface of mammals to continuously sense and record the physiological signals of the mammals. In particular, the signal measurement patch includes an upper moisture-permeable layer, at least two electrodes, at least two positioning rings, at least two conductive hydrogels, a base, and a lower moisture-permeable layer, wherein the upper moisture-permeable layer and the lower moisture-permeable layer are combined with each other It protects the components attached to it, and is fixed by attaching the adhesive under the lower moisture-permeable layer to the body surface. Since the upper moisture permeable layer and the lower moisture permeable layer have high moisture permeability and air permeability, it can avoid causing discomfort, which is very suitable for long-term use and greatly improves the convenience of use.

Description

Physiological monitor

The present invention relates to a physiological monitor, in particular, an upper moisture-permeable layer and a lower moisture-permeable layer are composed of non-waterproof materials with high air permeability and moisture permeability, and they are combined with each other to protect the components sandwiched therein. The adhesive under the wet layer is attached to the body surface and fixed, so it has a high degree of moisture permeability, which can avoid causing discomfort. It is very suitable for long-term use and greatly improves the convenience of use.

With the continuous advancement of medical technology, the relationship between many diseases and physiological signals has been studied in detail. For example, abnormal blood pressure and heartbeat often lead to cardiovascular diseases. Therefore, the use of physiological signal measuring devices has become quite common, such as The heart rate measured by the heart rate measuring device can be used as an index reference data of health status.

Traditionally, most heart rate measuring devices use multiple patch-like electrodes attached to the chest surface to measure and amplify rather weak heart rhythm signals, and use cables to transmit the signals to processing devices, such as The computer then displays the heart rhythm waveform to facilitate direct observation. At the same time, after proper signal processing, it is determined whether an abnormal situation occurs, and a preset warning operation is generated to remind the operator to pay attention.

However, the above-mentioned heart rate measuring devices can only be performed in medical institutions. They are not suitable for general home environment and cannot be measured for a long time. Therefore, for frail elderly or patients, early monitoring and prevention cannot be provided. The occurrence of underlying diseases. Therefore, in recent years, academia and the industry have been developing physiological monitors that can be used on the body and measured for a long time.

However, the disadvantages of the above-mentioned conventional technology are that the physiological monitor has poor ventilation and moisture permeability, and it is easy to accumulate sweat, which makes the body surface quite hot, humid, and even allergic, red, swollen, and itchy, causing discomfort. Furthermore, this type of device is not waterproof, and must be removed before bathing or swimming to avoid affecting electrical operation, so it is quite inconvenient to use.

Therefore, there is a need for an innovative physiological monitor that uses non-water-proof materials with high air permeability and moisture permeability to form an upper moisture-permeable layer and a lower moisture-permeable layer, which are combined with each other to protect the components attached to it, and the lower moisture-permeable layer The bottom adhesive is attached to the body surface and fixed, so it has a high degree of moisture permeability, which can avoid causing discomfort. It is very suitable for long-term use, greatly improving the convenience of use, and solving the problems of conventional technology.

The main purpose of the present invention is to provide a physiological monitor, including a closed casing, a circuit unit, a protective cover, and a signal measuring patch, which can be attached to the body surface of mammals, such as human skin, for continuous sensing and recording Physiological signals of mammals, such as electrocardiogram signals, electromyogram signals or brain wave signals.

The closed shell includes an upper shell and a lower shell, which are joined to each other or combined with glue to form a closed and waterproof accommodating space. The upper shell has a depressible area, which deforms downward when the force is pressed or slapped downward, and returns after the force is released. The closed shell has at least two conductive structures with conductivity, which pass through the bottom of the lower shell.

The circuit unit is accommodated in the accommodating space and linked to the depressible area via a key switch, and when the depressible area is pressed, the preset electrical function of the circuit unit is triggered by the key switch, such as continuous sensing and The function of recording the physiological signal for reading or triggering event recording can provide a time stamp of the continuous physiological signal for observation and analysis of specific events, and the conductive structure is electrically connected to the circuit unit. The protective sleeve covers the closed shell and has ductility, water resistance, dust resistance, scratch resistance and the function of reducing the impact of external forces.

Furthermore, the signal measurement patch is disposed under the closed casing and includes an upper moisture-permeable layer, at least two electrodes, at least two positioning rings, at least two conductive hydrogels, a base, and a lower moisture-permeable layer. In addition, at least one gap is between the signal measurement patch and the closed casing to facilitate water flow, and the signal measurement patch can also be detached from the closed casing for replacement.

The upper moisture-permeable layer has an upper surface and a lower surface. The lower shell is attached to the upper surface of the upper moisture-permeable layer. In addition, at least a part of the lower surface of the upper moisture-permeable layer is coated with a biocompatible adhesive. The upper moisture-permeable layer has at least one upper moisture-permeable layer opening, and each opening of the upper moisture-permeable layer is sheathed with a waterproof ring.

At least two electrodes are attached to the lower surface of the upper moisture-permeable layer, and each electrode has a volume-side end and a connecting portion, wherein the volume-side end is formed by extending the connecting portion in a lateral direction, and the connecting portion is aligned with the upper transparent layer. Wet layer opening. In particular, the lateral dimension of the opening of the upper moisture-permeable layer is greater than or equal to the lateral dimension of the connecting portion, and the conductive structure passes through the opening of the upper moisture-permeable layer to connect to the connecting portion.

At least two positioning rings are attached to the lower surface of the at least two electrodes at the volume-side ends, and at least two conductive hydrogels are located in the at least two positioning rings and attached to the volume-side ends of the at least two electrodes The positioning ring has the function of positioning the conductive hydrogel.

The base has an upper surface and a lower surface, and the connecting portion of the at least two electrodes is attached to the upper surface of the base, and the quantitative side ends of the at least two electrodes are outside the base.

The lower moisture-permeable layer has an upper surface and a lower surface, wherein the base is on the upper surface of the lower moisture-permeable layer, and the transverse dimension of the lower moisture-permeable layer is smaller than that of the upper moisture-permeable layer and the transverse dimension of the lower moisture-permeable layer is Larger than the lateral dimension of the base. In addition, at least a part of the lower surface of the lower moisture-permeable layer is coated with a biocompatible adhesive, and the lower moisture-permeable layer may further have at least two lower moisture-permeable layer openings that are not shielded or covered by the base, wherein each The openings of the lower moisture permeable layer are respectively aligned with the measuring ends of the at least two electrodes, and each opening of the lower moisture permeable layer is larger than and accommodates the at least two positioning rings.

More specifically, the waterproof ring is directly fixed on the base through glue bonding or welding to achieve the watertight function. The horizontal dimension of the lower moisture-permeable layer is smaller than that of the upper moisture-permeable layer, and the upper moisture-permeable layer and the lower moisture-permeable layer The wet layer is combined through physical or chemical means to protect the components attached to it.

In addition, the back glue of the lower moisture-permeable layer and the at least two conductive hydrogels are attached to the body surface of mammals for fixation, and the electrodes attached to the conductive hydrogel are sensed to generate physiological signals of the mammals. , And transmitted to the circuit unit through the conductive structure passing through the opening of the upper moisture-permeable layer.

The upper moisture-permeable layer and the lower moisture-permeable layer of the present invention are composed of non-waterproof materials with high air permeability and moisture permeability, such as non-woven fabrics made of artificial or natural fibers, and therefore have high air permeability and moisture permeability, which can avoid The body surface causes discomfort. In addition, the upper moisture-permeable layer and the lower moisture-permeable layer are overlapped and attached, which can also prevent the direct invasion of external water and cause its ability to adhere to the skin rapidly decay, so it is very suitable for long-term use , Can greatly improve the convenience of use.

The following is a more detailed description of the implementation of the present invention in conjunction with the diagrams and component symbols, so that those who are familiar with the art can implement it after studying this specification.

Please refer to the first, second and third figures at the same time. The first figure is a cross-sectional view of the physiological monitor according to the embodiment of the present invention, the second figure is an exploded and exploded schematic diagram of the physiological monitor, and the third figure is a physiological monitoring The exploded schematic diagram of the device. As shown in the first, second and third figures, the physiological monitor of the embodiment of the present invention includes a closed housing 10, a circuit unit 20, a protective cover 30, and a signal measuring patch 40, which can be attached to mammals On the body surface, it is used to continuously sense and record the physiological signals of mammals.

Specifically, the closed casing 10 includes an upper casing 11 and a lower casing 12, wherein the upper casing 11 and the lower casing 1 are combined with each other by means of bonding or adhesive bonding to form a closed and waterproof function. Housing space 13. Further, the upper housing 11 has a depressible area 14, which can be deformed downward when the force is pressed or slapped, and will be restored after the force is released. The closed casing 10 further includes at least two conductive structures 15 having conductivity, which pass through the bottom of the lower casing 12, in particular, the at least two conductive structures 15 and the lower casing 12 are also tightly sealed to have a waterproof effect. In addition, the lower shell 12 also extends into the accommodating space 13 with a columnar or wall structure, and is in contact with the upper shell 11 to strengthen the structure of the closed shell 10 accordingly.

The circuit unit 20 is accommodated in the accommodating space 13 of the closed casing 10, and is linked to the depressible area 14 of the upper casing 11 via the key switch 21, and when the depressible 14 area is pressed, it can be switched via the key switch 14. The preset electrical functions of the trigger circuit unit 20, for example, include the function of continuously sensing and recording physiological signals for reading, or triggering event recording, which can provide a time mark of the continuous physiological signals for observation and analysis of specific events. In addition, the aforementioned at least two conductive structures 15 are electrically connected to the circuit unit 20. Furthermore, the lower casing 12 can be firstly inserted into the circuit unit 20 during the manufacturing process, and then combined with the upper casing 11 to form a closed casing 10 after inspection and testing.

The protective sleeve 30 covers the closed casing 10, including the top and surroundings. The closed casing 10 can have a protruding structure at the bottom, and the protective sleeve 30 can extend a plurality of ring structures to cover the protruding structure to fix the protection. The cover 30, in particular, the protective cover 30 has ductility, water resistance, dust resistance, scratch resistance, and functions to reduce the impact of external forces.

Furthermore, the signal measurement patch 40 is composed of a multi-layer structure, which is located under the closed casing 10 and extends laterally outward beyond the entire circumference of the closed casing 10 for a distance to be attached to the skin, and has a signal measurement function and sticking. It can be attached to the body surface of mammals for a long time and fixed, and it is easy to tear off and peel off, especially it will not cause discomfort, and it is not easy to leave residual glue.

In addition, there is at least one gap between the signal measurement patch 40 and the closed casing 10 to facilitate the flow of water. Specifically, the signal measurement patch 40 is located at the bottom of the lower casing 12, and the signal measurement patch 40 The lateral dimension of the sheet 40 extending in all directions is larger than the lateral dimension of the closed casing 10.

Furthermore, the signal measurement patch 40 includes an upper moisture-permeable layer 50, at least two electrodes 60, at least two positioning rings R, at least two conductive hydrogels P, a base 70, and a bottom layer which are sequentially stacked from top to bottom. The moisture-permeable layer 80, wherein the upper moisture-permeable layer 50 is upwardly combined with the bottom of the closed shell 10, that is, the bottom of the lower shell 12, and the upper moisture-permeable layer 50 is in partial contact with the bottom of the lower shell 12. In addition, the upper moisture-permeable layer 50 is in partial contact with the bottom of the lower shell 12. The wet layer 50 and the lower moisture-permeable layer 80 are stacked on each other to be combined, and the lateral size or overlapping area of each other can have various combinations. For example, the outer edges of the lower moisture-permeable layer 80 and the upper moisture-permeable layer 50 are aligned. Either the transverse dimension of the lower moisture permeable layer 80 is smaller than the transverse dimension of the upper moisture permeable layer 50, or the transverse dimension of the lower moisture permeable layer 80 is greater than the transverse dimension of the upper moisture permeable layer 50, in addition, it can also be partially lower permeable The transverse dimension of the wet layer 80 is smaller than the transverse dimension of the upper moisture permeable layer 50, or the transverse dimension of part of the lower moisture permeable layer 80 is a combination of greater than the transverse dimension of the upper moisture permeable layer 50, and the upper moisture permeable layer 50 and the lower permeable layer The wet layer 80 is combined through physical or chemical means to protect the components sandwiched therein. For example, the upper moisture-permeable layer 50 and the lower moisture-permeable layer 80 are closely attached by welding or adhesive bonding. In addition, at least 1/3 of the outer edge circumference of the lower moisture-permeable layer 80 has a larger lateral dimension than the upper moisture-permeable layer 50 to facilitate long-term sticking. Furthermore, the lower surface of the upper moisture-permeable layer 50 contains a back glue, and the lower surface of the lower moisture-permeable layer 80 also contains a back glue. The lateral dimension of the lower moisture-permeable layer 80 is larger than that of the upper moisture-permeable layer 50, or When the outer edges of the lower moisture-permeable layer 80 and the upper moisture-permeable layer 50 are aligned, the lower surface of the lower moisture-permeable layer 80 is completely attached to the skin of mammals, and the lateral dimension of the current lower moisture-permeable layer 80 is When it is smaller than the horizontal dimension of the upper moisture-permeable layer 50, the lower surface of the lower moisture-permeable layer 80 and part of the upper moisture-permeable layer 50 are attached to and contact with the skin of mammals at the same time, thus having the effect of strengthening the adhesion effect.

In addition, the outer edge circumference of the lower moisture-permeable layer 80 is smaller than the upper moisture-permeable layer 50, and the lower moisture-permeable layer 80 is completely or mostly covered by the upper moisture-permeable layer 50, so it will not directly face the impact of external forces. For example, showering, to facilitate long-term attachment, especially when the attachment of the upper moisture-permeable layer 50 is attenuated, the upper moisture-permeable layer can be removed separately and replaced with a new upper moisture-permeable layer 50 to facilitate the maintenance of the adhesive Persistence attached. More preferably, the user can additionally cover an adhesive patch on the upper moisture-permeable layer 50, part of which is adhered to the upper moisture-permeable layer 50 and the rest to the skin, thereby enhancing the effectiveness of the attachment. On the other hand, the lower moisture-permeable layer 80 can be solely composed of a moisture-permeable or air-permeable non-substrate double-sided adhesive, such as acrylic adhesive or hot-melt adhesive, which also has comfortable characteristics such as sweat absorption and air permeability. It does not have a substrate, and its thickness is relatively thin, which can be between 0.05mm and 0.3mm. Therefore, the adhesive edge and the skin are not easy to be lifted due to external force interference during use.

The upper moisture-permeable layer 50 has an upper surface and a lower surface, and the lower housing 12 is disposed on the upper surface of the upper moisture-permeable layer 50, and the upper moisture-permeable layer 50 also has at least one upper moisture-permeable layer opening 52, each of which A waterproof ring 54 is sheathed in the opening 52 of the moisture-permeable layer.

Each electrode 60 is attached to the lower surface of the upper moisture-permeable layer 50, and has a volume-side end 61 and a connecting part 62, wherein the connecting part 62 is concentratedly distributed in the range overlapping with the lower housing 12, and the volume The measuring end portion 61 is formed by the connecting portion 62 extending in the lateral direction. Each electrode 60 and its extension path do not interfere with each other, and the measurement end 61 may have a larger area than the connecting portion 62 to achieve a good measurement effect. The connecting portion 62 is aligned with the upper moisture-permeable layer opening 52. In particular, the transverse dimension of the upper moisture-permeable layer opening 52 is greater than or equal to the transverse dimension of the connecting portion 62. Furthermore, the measuring end 61 of each electrode 60 can be Directly or indirectly contact the mammalian skin to sense the ECG signal on the body surface, and the connecting portion 62 is located under the upper moisture-permeable layer 50, and the connecting portion 62 and the measuring end 61 are also electrically connected in a vertical direction. In addition, the conductive structure 15 passes through the upper moisture-permeable layer opening 52 and is connected to the connecting portion 62, so the physiological signals of mammals, such as ECG signals, can be transmitted from the lower surface of the measuring end 61 to the upper surface of the connecting portion 62. It can be transferred to the conductive structure 15 and further transferred to the circuit unit 20 for processing and recording. On the other hand, the conductive structure 15 can be separated from the connecting portion 62, that is, the signal measuring patch 40 can be detached from the lower housing 12 for replacement .

Furthermore, the at least two electrodes 60 can be formed by a compound of silver and silver chloride (Ag/AgCl) with conductivity and ion conductivity. On the other hand, it can also be formed by coating Ag/AgCl, silver, carbon or graphite. The conductive coating layer is formed on a flexible substrate, that is, it is coated on the measuring end 61 and the connecting portion 62 and the path between the two, and the substrate can be PET, PE, PP , PC, etc. or materials composed of flexible circuit boards.

In addition, the measurement ends 61 of the at least two electrodes 60 that are closer to each other have a distance between the center points of at least 4 cm. In addition, the lower surface of the at least two electrodes 60 and the lower moisture-permeable layer further have an electrical and The insulating layer L of moisture can ensure that the electrical conduction between each electrode 60 can operate independently and does not interfere with each other.

Each positioning ring R is attached to the lower surface of the corresponding measurement end 61. The positioning ring R can also be attached to at least a part of the conductive coating layer on the lower surface of the measurement end 61, and the conductive hydrogel P is located in the positioning ring R corresponding to the amount, and is attached to the lower surface of the measurement end 61. The conductive hydrogel P attached to the skin of mammals can be used as a good medium for sensing physiological signals, and the hydrogel P forms a barrier with the lower moisture permeable layer 80 through the positioning ring R, and it is not easy to contact or generate each other. Electrical connection.

The base 70 is composed of a hard material, such as plastic, and has an upper surface and a lower surface. The base 70 is combined with the closed casing 10. In addition, the at least two electrodes 60 are close to the upper surface of the base 70 and are distributed parallel to the upper surface. Furthermore, the connecting portion 62 of the electrode 60 is attached to the upper surface of the base 70, and the measuring end 61 of each electrode 60 is outside the base 70, that is, the measuring end 61 is not The base 70 is supported and therefore has the characteristic of being flexible, and the distance between the center point of the measuring end 61 of each electrode and the outer edge of the adjacent base 70 is greater than 10 mm. The connecting portion 62 is vertically combined with the conductive structure 15 of the enclosure 10 to transmit and sense electrical signals. On the other hand, the thickness of the base 70 is higher than the thickness of the stack of the electrode 60 and the lower moisture-permeable layer 80, that is, the thickness of the base 70 is between 0.5 mm and 10 mm. Therefore, when the electrode 60 is attached to the skin, The level formed outside the base 70 is lower than the level on the upper surface of the base 70, that is, the height of the measuring end 61 is lower than the connecting portion 62, so that the electrode 60 can be adhered to the skin. In addition, the waterproof ring 54 is directly fixed to the base 70 through adhesive bonding or welding, so as to achieve a watertight function when combined with the closed casing 10. Moreover, each waterproof ring 54 corresponds to a conductive structure 15 so that each The conductive structure 15 is independently protected in the waterproof ring 54, so the signals transmitted to each other will not interfere with each other. The upper moisture-permeable layer 50 is attached to the base 70, and is further attached along the side edge of the base 70. The level of the upper moisture-permeable layer 50 distributed on the base 70 is higher than the rest of the upper moisture-permeable layer 50 The horizontal height of the part.

The lower moisture-permeable layer 80 has an upper surface and a lower surface, and the base 70 is on the upper surface of the lower moisture-permeable layer 80, and at least a part of the lower surface of the lower moisture-permeable layer 80 is coated with a biocompatible adhesive , And can be attached to the skin surface of mammals to achieve the function of fixing the device on the body surface. In particular, the lower moisture-permeable layer 80 further has at least two lower moisture-permeable layer openings 82 that are not shielded or covered by the base 70, and the measuring ends 61 of the at least two electrodes 60 are aligned with the at least two lower moisture-permeable layer openings. 82, and directly or indirectly connect to the skin through the opening to achieve the measurement effect. In addition, the lower moisture-permeable layer 80 may be a one-piece type, and its distribution range covers the upper moisture-permeable layer 50, the electrode 60 and the base 70, especially the entire lower surface of the lower moisture-permeable layer 80 is coated with adhesive. Preferably, the upper moisture-permeable layer 50 and the lower moisture-permeable layer 80 are made of non-waterproof materials with high air and moisture permeability functions, and have a high moisture vapor transmission rate (MVTR), such as 400 gm/ m2/24 hr or more, and the non-waterproof material can be non-woven or woven fabric made of artificial or natural fibers. Furthermore, non-woven fabrics are also called non-woven fabrics. Through different processing of artificial or natural fibers, they can be divided into four types of fabrics: "water jet (spunlace), hot air, hot rolling, and dust-free", and they can be white or black. The color of the non-woven fabric can be further subdivided into Acrylic, Cotton, Polyester, Polyethylene Terephthalate (PET), Polyurethane (Polyurethane), Polypropylene ( Polypropylene, Nylon, Rayon and other materials are included.

Furthermore, the back glue of the lower moisture-permeable layer 80 and each conductive hydrogel P are attached to the body surface of mammals to be fixed, and the electrodes 60 attached to the conductive hydrogel P produce mammals by sensing. The physiological signal of the animal is transmitted to the circuit unit 20 through the conductive structure 15 passing through the opening 52 of the upper moisture-permeable layer.

The above-mentioned physiological signals can include various physiological signals such as heart rhythm signal, electrocardiographic signal, myoelectric signal or brain wave signal, and the conductive hydrogel P is formed by the combination of resin, water, electrolyte, alcohol and other substances, and has Ionic conductivity and adhesiveness, and the positioning ring R is fixed to the corresponding electrode 60 through glue bonding or welding.

Specifically, the circuit unit 20 may include a circuit substrate, a plurality of electronic components, a data access interface, a controller unit, an accelerometer unit, a battery, and a memory (not shown in the figure).

Further, the data access interface is fixed on the circuit board and electrically connected to the controller unit, battery and memory, and the data access interface can be connected to an external device for data transmission or to charge the battery. The battery can be It is a disposable or rechargeable battery to supply electricity.

The controller unit is electrically connected to the battery and the memory to digitize and program the sensed physiological signals, and then control the behavior mode of the system operation. On the other hand, the controller unit can also implement arithmetic functions to convert received physiological signals into heart rate information for storage or transmission to an external device. The accelerometer unit measures the motion trajectory of the physiological monitor in the X, Y, and Z three-axis space, and analyzes the user's behavior habits and trigger event recording by judging the motion trajectory of the physiological monitor.

For example, the external device may include a USB unit, and the memory may be a flash memory built on the circuit board, or a memory card inserted into a memory slot on the circuit board.

In addition, the circuit unit 20 may further have a wireless transmission unit (not shown in the figure), and the wireless transmission unit may include a Bluetooth, WiFi, Zigbee, mobile communication or optical communication transmission unit for transferring the digitized physiological signals through wireless It can be transmitted to external devices such as mobile phones, tablet computers, or computers, and through the graphical signals of the external devices to facilitate the observation and interpretation of the physiological signals. The wireless transmission unit can also be connected to an external device through the triggering behavior of the key switch 21 and perform data transmission. On the other hand, the circuit unit 20 has a power supply unit (not shown in the figure), which supplies power required for the system operation of the overall circuit unit 20, and the power supply unit can be a disposable or rechargeable battery. Furthermore, the circuit unit 20 also has a magnetic activation unit (not shown in the figure), which can achieve the same electrical activation as the key switch 21 by approaching the magnetic activation unit through an external magnetic tool with specific magnetism and magnetic force, such as a magnet. , Transmission trigger or event trigger function.

Furthermore, the protective cover 30 may further have an extension structure for inserting the above-mentioned data access interface to achieve a watertight function, and the surface of the protective cover 30 has a non-planar area with protrusions or depressions to correspond to the closed shell The pressable area 14 of the body 10 allows the user to find the position of the protrusion by the touch of at least one finger, so as to accurately press the pressable area 14. Furthermore, the surface of the protective cover 14 may further have at least two limiting protrusions, which surround the protruding area to prevent the protruding area from being pressed by mistake. In addition, the protective cover 30 may have an opening to accommodate the data access interface of the circuit unit 20. On the other hand, a soft plug can be additionally inserted into the data access interface, which is waterproof and prevents dust from entering the data access interface. .

The base 70 may include at least one structural interference body 71, which is perpendicular to the horizontal surface of the base 70, and the upper moisture-permeable layer 50 has at least one pair of openings, and the lower shell 12 has at least one pair of openings, and the upper transparent layer 50 has at least one pair of openings. The at least one pair of openings of the wet layer 50 and the at least one pair of openings of the lower housing 12 are aligned with the at least one structural interference body 71, and the at least one structural interference body 71 penetrates at least the upper moisture-permeable layer 50 The pair of openings are fixed by nesting into at least the pair of openings of the lower housing 12. In addition, the waterproof ring 54 is directly fixed on the base 70 through adhesive bonding or welding, so that when combined with the lower housing 12, the inner space of the waterproof ring 54 can achieve a water-tight function. Specifically, the waterproof ring 54 mainly interferes with each other through the at least one structural interference body 71 and the lower housing 12, forcing the lower housing 12 to compress the waterproof ring 54 to be tightly integrated, wherein the distribution of one of the at least one structural interference body 71 It is next to the waterproof ring 54. For example, the shortest horizontal distance between the structural interference body 71 and the edge of the waterproof ring 54 is less than 20 mm. There is no direct contact between the lower shell 12 and the surface of the base 70, or the upper moisture-permeable layer 50 or the base 70 and the lower shell 12 are not completely combined, so they are water permeable and air permeable. In particular, the upper moisture-permeable layer 80 is attached to the base 70 and the thickness of the waterproof ring 54 is higher than the thickness of the upper moisture-permeable layer 80, which can be 0.05 mm-10 mm. Therefore, there is at least a gap between the bottom of the lower shell 12 and the base 70 or the upper moisture-permeable layer 80, with a height of 0.05 mm to 10 mm, so that water vapor can circulate therebetween to facilitate long-term adhesion. In addition, the base 70 may have a plurality of hole structures, which are distributed in most of the base 70, and do not cover the area where the base 70 overlaps with the electrode measuring end 61 and the waterproof ring 54, thereby improving The signal measures the air permeability of the patch.

In particular, the physiological monitor of the present invention may further include at least one release layer 90 attached to the lower surface of the moisture-permeable layer 50 or the lower moisture-permeable layer 80, and the lateral dimension of the release layer 90 is greater than or equal to the permeable layer. The lateral dimensions of the wet layer 50 and the lower moisture permeable layer 80, wherein the back glue of the upper moisture permeable layer 50 or the lower moisture permeable layer 80 and the at least two conductive hydrogels P are exposed after the release layer 90 is stripped off. Preferably, the release layer 90 may be in the form of two-piece partially overlapping each other, or in the form of two-piece partially folded, so as to facilitate the user's removal operation.

In summary, the main feature of the present invention is to use non-waterproof materials with high air permeability and moisture permeability to form the upper moisture-permeable layer and the lower moisture-permeable layer, and they are combined to protect the components attached to them, including electrodes and positioning rings. , Conductive hydrogel, and base to form a signal measurement patch, and a closed shell is arranged on the signal measurement patch to accommodate the circuit unit electrically connected to the signal measurement patch, and is transparent The adhesive under the wet layer is attached to and fixed on the body surface of the mammal, so that it can continuously sense and record the physiological signal of the mammal. In particular, the upper moisture-permeable layer and the lower moisture-permeable layer are made of non-waterproof materials with high air permeability and moisture permeability. On the other hand, moisture permeability also means that the material has a water-absorbing function, can absorb sweat, and can avoid causing discomfort. The upper and lower moisture-permeable layers are stacked and combined with each other and also have a certain degree of water resistance, which can reduce the penetration of external water vapor to the bottom. The adhesive under the wet layer is affected by the viscosity of the adhesive. For example, the water in the shower will be blocked out of the moisture-permeable layer for the first time and will not directly impact the adhesive. On the whole, the moisture-permeable layer is very suitable for long-term use, which greatly improves the use Convenience.

Another feature of the present invention is that the conductive hydrogel is attached and fixed below the electrode by the positioning ring. Therefore, the electrode does not actually touch the body surface, but the conductive hydrogel touches the body surface. The conductive hydrogel itself has good conductivity, so it can conduct the weak electrical signals on the body surface to the electrodes, and then transmit them to the circuit unit through the conductive structure for signal processing to achieve the purpose of physiological monitoring.

The above descriptions are only used to explain the preferred embodiments of the present invention, and are not intended to restrict the present invention in any form. Therefore, any modification or change related to the present invention is made under the same spirit of the invention. , Should still be included in the scope of the present invention's intention to protect.

10: Closed shell

11: Upper shell

12: Lower shell

13: accommodating space

14: Compression zone

15: Conductive structure

20: circuit unit

21: key switch

30: protective sleeve

40: Signal measurement patch

50: Upper moisture-permeable layer

52: Upper moisture-permeable layer opening

54: Waterproof ring

60: Electrode

61: Measuring side end

62: Connection

70: Pedestal

71: Structural Interference Body

80: Lower moisture permeable layer

82: Lower moisture permeable layer opening

90: Release layer

L: insulating layer

P: Conductive hydrogel

R: positioning ring

The first figure shows a cross-sectional view of a physiological monitor according to an embodiment of the present invention. The second figure shows a schematic exploded exploded view of the physiological monitor according to an embodiment of the present invention. The third figure shows the exploded schematic diagram of the signal measurement patch in the physiological monitor according to the embodiment of the present invention.

10: Closed shell

11: Upper shell

12: Lower shell

13: accommodating space

14: Pressable area

15: Conductive structure

20: circuit unit

21: key switch

30: protective sleeve

40: Signal measurement patch

50: Upper moisture-permeable layer

52: Upper moisture-permeable layer opening

54: Waterproof ring

60: Electrode

61: Measuring side end

62: Connection

70: Pedestal

80: Lower moisture permeable layer

82: Lower moisture permeable layer opening

90: Release layer

P: Conductive hydrogel

R: positioning ring

Claims (9)

A physiological monitor is attached to an integrated watch of a mammal to continuously sense and record a physiological signal of the mammal. It includes: a closed shell, including an upper shell and a lower shell. Mutually joined or combined with an adhesive to form a closed and waterproof accommodating space; a circuit unit is accommodated in the accommodating space; and a signal measurement patch including: a moisture-permeable upper Layer, having an upper surface and a lower surface, the lower shell is attached to the upper surface of the upper moisture permeable layer, and the upper moisture permeable layer has at least one upper moisture permeable layer opening; at least two electrodes are attached to The lower surface of the upper moisture-permeable layer, and each electrode has a volume-side end and a connecting portion, the volume-side end is formed by the connecting portion extending in the lateral direction, the connecting portion is aligned with the upper transparent Wet layer opening; a base having an upper surface and a lower surface, and the upper moisture-permeable layer and the at least two electrodes are placed on the upper surface of the base, and the base is combined with the lower shell; and The lower moisture-permeable layer has an upper surface and a lower surface, and is placed on the lower surface of the base, wherein a transverse dimension of the lower moisture-permeable layer is smaller than a transverse dimension of the upper moisture-permeable layer, and the upper moisture-permeable layer The lower moisture-permeable layer is combined through physical or chemical means to protect the components attached therein, and the upper moisture-permeable layer and the lower moisture-permeable layer are attached to the body surface of the mammal at the same time to be fixed. According to the physiological monitor described in item 1 of the scope of patent application, the outer edge circumference of the lower moisture-permeable layer is smaller than the outer edge circumference of the upper moisture-permeable layer, and the lower moisture-permeable layer is mostly covered by the upper moisture-permeable layer. The moisture-permeable layer is covered, and the lower moisture-permeable layer will not directly face the impact of external force. According to the physiology monitor described in claim 1, wherein the base is in partial contact with the lower housing, and at least one gap is interposed therebetween to facilitate the flow of water. According to the physiological monitor described in item 1 of the scope of patent application, the upper moisture-permeable layer and the lower moisture-permeable layer are overlapped and attached, and both are made of a non-waterproof material with high air permeability and moisture permeability. The waterproof material is a non-woven fabric made of artificial or natural fibers. According to the physiology monitor described in claim 1, wherein the base has a plurality of hole structures, which are distributed on most of the base, and do not cover the overlap between the base and the measuring end Area to improve the air permeability of the signal measurement patch. According to the physiology monitor according to claim 1, wherein the base includes at least one structural interference body which is perpendicular to a horizontal surface of the base, the upper moisture-permeable layer has at least one pair of openings, and the upper The at least one pair of openings of the moisture-permeable layer is aligned with the at least one structural interference body, and the at least one structural interference body passes through the at least one pair of openings of the upper moisture-permeable layer to be inserted into the lower shell and fixed . According to the physiology monitor described in item 1 of the scope of patent application, wherein the connecting portion is attached to the upper surface of the base, and each of the measuring ends is outside the base, and the measuring ends It is not supported by the base to have a flexible characteristic, and the distance between a center point of the measuring end and the adjacent outer edge of the base is greater than 10 mm. The physiological monitor according to the first item of the scope of patent application, wherein the closed housing has at least two conductive structures that pass through a bottom of the lower housing, and the at least two conductive structures are electrically connected to the circuit Unit, and the connecting portion is aligned with the opening of the upper moisture-permeable layer and connected with the corresponding at least two conductive structures. The physiological monitor according to item 8 of the scope of patent application further includes at least one waterproof ring, which is arranged on the upper surface of the base and realizes the watertight function when combined with the lower shell, and each waterproof ring is Each corresponds to the at least two conductive structures, and the at least two conductive structures are protected in the waterproof ring.

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