Physiological signal sensing device with electrostatic discharge protection mechanism

Abstract

A physiological signal sensing device with an electrostatic discharge protection mechanism comprises a base and an emitter, and is used for measuring at least one analyte under the skin of a living body. The base is arranged on the skin surface of the living body and is provided with a sensor, and the sensor is partially implanted under the skin of the living body to measure a physiological signal corresponding to the analyte. The transmitter can be separately connected to the base and comprises a shell and an electrostatic discharge protection unit, a circuit board is accommodated in the shell, the shell is provided with a connecting surface facing the base, the connecting surface is provided with an electric connecting part, the electric connecting part is provided with a jack for the sensor part to be inserted therein, and the electrostatic discharge protection unit is arranged in the jack. Therefore, the sensor is allowed to be coupled with the circuit board. And the electrostatic discharge protection unit is at least arranged at the periphery of the jack of the electric connection part and is used for bearing and guiding static electricity in an electrostatic discharge event when the electrostatic discharge event occurs so as to prevent an electrostatic discharge current from damaging electronic components in the emitter.

Description

[0001] This application is a divisional application of the invention patent application with application date of March 31, 2020, application number 202010243981.8, and invention name “Physiological signal sensing device with electrostatic discharge protection mechanism”. Technical Field

[0002] The present invention relates to a physiological signal sensing device, in particular to a physiological signal sensing device with an electrostatic discharge protection mechanism. Background Art

[0003] In order to control diabetes or reduce its complications, controlling blood sugar is a very important part. Regularly measuring blood sugar and understanding the changing trend of blood sugar concentration can ensure that the blood sugar concentration is at a safe and stable level for a long time. For the measurement of blood sugar concentration, the common practice in the past is that the patient pierces the skin with a puncture device to collect blood, and then uses a test strip in conjunction with a detection machine to measure and calculate the glucose concentration in the collected blood based on the principle of electrochemical analysis. However, repeated blood sampling and testing in a day often cause inconvenience to patients' lives. Therefore, in the past two decades, the development of continuous glucose monitoring (CGM) systems that can be implanted in the body has been the fastest. They are used to monitor the effects of insulin injections or medication, diet, and exercise on blood sugar concentration throughout the day in real time and continuously, thereby providing more effective help in treatment and control.

[0004] The continuous blood glucose monitoring system must be worn by the user for a long time, and miniaturization is an inevitable trend. The basic structure of the continuous blood glucose monitoring system at least includes a sensor for measuring the physiological signal corresponding to the glucose concentration in the body, and a transmitter for receiving and transmitting the physiological signal. The existing related products all package the sensor, the transmitter and other assembly parts separately. When the user wants to use it, he needs to assemble the sensor, the transmitter and other assembly parts by himself and implant them under the skin. This will cause static electricity to accumulate on the surface of the sensor, the transmitter and other assembly parts during the manufacturing, packaging, user disassembly and assembly of such products. In addition, in order to make the continuous blood glucose monitoring system easy to wear on the body for a long time without being knocked off or causing the user to have a noticeable foreign body sensation, the related products have a design demand to reduce the size more and more, so that the sensor and the transmitter BCPI-240347 Page 2 / 15

[0005] The internal components of the device are easily damaged by electrostatic discharge, which can affect the operation and service life of the product. Summary of the invention

[0006] The object of the present invention is to provide a physiological signal sensing device with an electrostatic discharge protection mechanism.

[0007] The physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention is suitable for measuring physiological parameters of at least one analyte under the skin of a biological body, and comprises a base and a transmitter.

[0008] The base is used to be set on the skin surface of the biological body and is provided with a sensor, which includes a sensing section and a signal output section. The sensing section of the sensor is used to be implanted under the skin of the biological body to measure at least one physiological signal corresponding to the physiological parameter in the biological body, and output the physiological signal through the signal output section.

[0009] The transmitter can be detachably connected to the base, and the transmitter includes a housing and an electrostatic discharge protection unit. The housing defines an internal space to accommodate a circuit board, and the housing has a connection surface facing the base, the connection surface is provided with an electrical connection portion, the electrical connection portion has a jack connected to the internal space, and the jack is used for the signal output section of the sensor to be inserted, so as to allow the sensor to couple to the circuit board and output the physiological signal to the circuit board to process the physiological signal. The electrostatic discharge protection unit is at least arranged at the periphery of the jack of the electrical connection portion, and is used to withstand and guide the static electricity in the electrostatic discharge event when an electrostatic discharge event occurs.

[0010] Another physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention is suitable for measuring physiological parameters of at least one analyte under the skin of a biological body, and includes a base and a transmitter.

[0011] The base is used to be set on the skin surface of the biological body and is provided with a sensor, which includes a sensing section and a signal output section. The sensing section of the sensor is used to be implanted under the skin of the biological body to measure at least one physiological signal corresponding to the physiological parameter in the biological body, and output the physiological signal through the signal output section.

[0012] The transmitter can be detachably connected to the base, and the transmitter includes a shell. The shell defines an internal space for accommodating a circuit board, and an electrical connection portion is provided on one side of the shell and faces the base, and the electrical connection portion has a jack connected to the internal space, and the jack is used for the signal output section of the sensor to be inserted, so as to allow the sensor to couple to the circuit board and output the physiological signal to the circuit board to process the physiological signal.

[0013] Wherein, at least the electrical connection portion in the housing is made of a conductive material to serve as an electrostatic discharge protection unit for withstanding and guiding the static electricity in the electrostatic discharge event when an electrostatic discharge event occurs.

[0014] In the physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention, the transmitter further comprises a potential balancing unit, and the electrostatic discharge protection unit is directly electrically connected to the potential balancing unit.

[0015] The physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention, the transmitter also includes a potential balance unit, a discharge gap is provided between the electrostatic discharge protection unit and the potential balance unit, the distance of the discharge gap is smaller than the distance from the jack to the unit to be protected in the internal space of the transmitter, so that when the electrostatic discharge event occurs, the electrostatic discharge protection unit bears and guides the static electricity to the discharge gap, and the potential balance unit is air-discharged through the discharge gap.

[0016] In the physiological signal sensor device with an electrostatic discharge protection mechanism of the present invention, the electrostatic discharge protection unit includes an electrostatic discharge protection component, and the electrostatic discharge protection component covers the outer surface of the electrical connection portion.

[0017] In the physiological signal sensor device with an electrostatic discharge protection mechanism of the present invention, the electrostatic discharge protection component is a conductive material layer covering the outer surface of the electrical connection portion.

[0018] The physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention, the transmitter also includes a potential balance unit, the electrostatic discharge protection unit includes an electrostatic discharge protection component, and the electrostatic discharge protection component is located in the internal space of the shell and is electrically connected to the potential balance unit to form an electrostatic discharge path, and the electrostatic discharge path is away from the unit to be protected.

[0019] In the physiological signal sensor device with an electrostatic discharge protection mechanism of the present invention, the electrostatic discharge protection component is a conductive material layer covering the inner surface of the electrical connection portion.

[0020] The physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention, the transmitter also includes a potential balancing unit, the electrostatic discharge protection unit includes an electrostatic discharge protection component arranged at the electrical connection portion and at least adjacent to the periphery of the jack, and at least one first conductive medium contacting the electrostatic discharge protection component, and the electrostatic discharge protection component is electrically connected to the potential balancing unit through the first conductive medium.

[0021] In the physiological signal sensing device with electrostatic discharge protection mechanism of the present invention, the first conductive medium in the electrostatic discharge protection unit of the transmitter is a coil spring, and abuts against the potential balance unit along its radial direction and abuts against the electrostatic discharge protection unit along its axial direction.

[0022] Protective components.

[0023] In the physiological signal sensor device with electrostatic discharge protection mechanism of the present invention, the first conductive medium in the electrostatic discharge protection unit of the transmitter is a coil spring, and abuts against the electrostatic discharge protection component and the potential balance unit along its radial direction or axial direction respectively.

[0024] In the physiological signal sensor device with electrostatic discharge protection mechanism of the present invention, the electrical connection portion of the transmitter is in the form of an electrical connector, and is arranged on the circuit board and penetrates the connection surface.

[0025] The physiological signal sensing device with electrostatic discharge protection mechanism of the present invention further comprises:

[0026] a battery connected to the circuit board;

[0027] A processing unit disposed on the circuit board; and

[0028] A plurality of second conductive media are accommodated in the electrical connection portion, and each second conductive medium abuts against the circuit board with one side thereof.

[0029] When the signal output segment of the sensor is inserted into the transmitter via the jack, each second conductive medium contacts the signal output segment of the sensor with the other side, so that the sensor is coupled to the circuit board through the second conductive medium, and the battery provides power to the circuit board, and the sensor starts to measure and transmits the measured physiological signal to the processing unit of the circuit board for processing.

[0030] The physiological signal sensing device with electrostatic discharge protection mechanism of the present invention further comprises:

[0031] a battery connected to the circuit board;

[0032] A processing unit disposed on the circuit board; and

[0033] A plurality of second conductive media are accommodated in the electrical connection portion, and each second conductive medium abuts against the circuit board with one side thereof.

[0034] When the sensor is inserted into the transmitter via the jack, each second conductive medium contacts the portion of the sensor inserted into the electrical connection portion with the other side, so that the sensor is coupled to the circuit board through the second conductive medium, and the battery provides power to the circuit board, and the sensor starts to measure and transmits the measured physiological signal to the processing unit for processing.

[0035] In the physiological signal sensor device with an electrostatic discharge protection mechanism of the present invention, an insulating portion is provided between the inner surface of the electrical connection portion of the transmitter and the second conductive medium.

[0036] The beneficial effect of the present invention is that by disposing the electrostatic discharge protection unit around the socket, the electrostatic discharge current can be guided when an electrostatic discharge event occurs, effectively preventing the electrostatic discharge current from entering through the socket of the electrical connection part and thereby damaging the internal components of the transmitter and the sensor inserted in the transmitter. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Other features and effects of the present invention will be clearly presented in the embodiments with reference to the accompanying drawings, in which:

[0038] Figure 1 is a three-dimensional diagram of a first embodiment of a physiological signal sensing device with an electrostatic discharge protection mechanism according to the present invention;

[0039] Figure 2 is a perspective exploded view of the first embodiment;

[0040] Figure 3 is a schematic side view of the sensing test piece of the first embodiment;

[0041] Figure 4 is a perspective exploded view of a transmitter of the first embodiment;

[0042] Figure 5 is a three-dimensional exploded view of a bottom of a housing, an electrical connection portion, and an electrostatic discharge protection unit of the transmitter of the first embodiment;

[0043] Figure 6 is along Figure 1 A cross-sectional view taken along line VI-VI in FIG.

[0044] Figure 7 yes Figure 6 A partial enlarged view of

[0045] Figure 8 is a perspective cross-sectional view of the first embodiment;

[0046] Fig. 9 is a cross-sectional view of a variation of the first embodiment;

[0047] Fig.10 is a cross-sectional view of another variation of the first embodiment;

[0048] Fig.11 is a circuit diagram of the transmitter of the first embodiment before being combined with the sensing test piece;

[0049] Fig.12 is a circuit diagram of the transmitter and the sensing test piece of the first embodiment combined;

[0050] Fig.13 is a functional block diagram of the first embodiment and a receiving device;

[0051] Fig.14 is a cross-sectional view of another variation of the first embodiment;

[0052] Fig.15 is a cross-sectional view of another variation of the first embodiment;

[0053] Fig.16 is an incomplete cross-sectional view of a second embodiment of a physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention;

[0054] Fig.17 This is a physiological signal sensor device with an electrostatic discharge protection mechanism of the present invention.

[0055] a fragmentary cross-sectional view of a third embodiment;

[0056] Fig.18 It is a three-dimensional combination diagram of an electrical connection portion, a plurality of second conductive media and an electrostatic discharge protection unit of a fourth embodiment of the physiological signal sensor device with an electrostatic discharge protection mechanism of the present invention;

[0057] Fig.19 is a fragmentary cross-sectional view of the fourth embodiment; and

[0058] Fig. 20 FIG. 4 is an incomplete cross-sectional view of a fifth embodiment of a physiological signal sensor device with an electrostatic discharge protection mechanism according to the present invention. DETAILED DESCRIPTION

[0059] Before the present invention is described in detail, it should be noted that similar components are denoted by the same reference numerals in the following description.

[0060] In addition, in the description of the present invention, the terms "upper", "lower", "top" and "bottom" are used only to conveniently indicate the relative positions of components, and do not limit the actual use directions of each component.

[0061] See also Figure 1 and Figure 2A first embodiment of a physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention is suitable for being installed on the skin surface of a biological body (not shown) and used to measure an analyte in the biological body. In this embodiment, the analyte is glucose, and the physiological signal sensing device is used to measure the glucose concentration in the interstitial fluid (ISF) of human tissues. However, in other embodiments, the analyte is not limited to this.

[0062] like Figure 2 As shown, a first axial direction D1 and a second axial direction D2 perpendicular to the first axial direction D1 are defined, but in other embodiments, the angle between the first axial direction D1 and the second axial direction D2 is not limited to 90°.

[0063] The physiological signal sensor device with electrostatic discharge protection mechanism comprises a base 1 for being arranged on the skin surface of the biological body, a sensor 2 arranged on the base 1, and a transmitter 3 which can be detachably covered on the base 1 along the first axial direction D1 and connected to the sensor 2. The sensor 2 is used to be partially implanted under the skin of the biological body to measure the analyte in the biological body and transmit a physiological signal corresponding to the physiological parameter of the analyte to the transmitter 3. The transmitter 3 is used to process the received physiological signal and transmit it to an external receiving device 800 (such as Fig.13 As shown), so that the user can monitor the analyzed substance.

[0064] See also Figure 2 and Figure 3 In this embodiment, the sensor 2 includes a fixing seat 21 fixed to the base 1 described in BCPI-240347, page 7 / 15, and a sensor strip 22 disposed on the fixing seat 21 and partially used to be implanted under the skin of the biological body. The sensor strip 22 includes a signal output section 221, a sensing section 222, and a connecting section 223 connecting the signal output section 221 and the sensing section 222. The sensing section 222 is used to be implanted under the skin of the biological body to measure physiological parameters related to the analyzed substance, and transmit the aforementioned measurement results to the transmitter 3 in sequence via the connecting section 223 and the signal output section 221, and the connecting section 223 can be covered by an insulating material. In addition, the sensor strip 22 has a plurality of electrodes 226, and the type and number of the electrodes 226 depend on the analyte to be measured, and the present invention is not intended to be limited to this. It should be noted that in order to avoid unclear drawings, the detailed structural features of the sensor strip 22 are only schematically shown. Figure 3 , but not drawn in other diagrams.

[0065] See also Figures 4 to 6The transmitter 3 includes a housing 31 defining an inner space 30, a circuit board 33 disposed in the inner space 30, and a processing unit 34 disposed in the inner space 30 and disposed on the circuit board 33 (see Fig.12 ), a battery 35 disposed in the inner space 30 and connected to the circuit board 33, a shell-shaped electrical connection portion 36 protruding from the housing 31, a plurality of second conductive media 37 disposed on the electrical connection portion 36, and an outer surface 361 (see Figure 7 )'s electrostatic discharge protection unit 39.

[0066] Specifically, the shell 31 includes a bottom 311 and a top 312. The bottom 311 and the top 312 are two matching shells and together surround the internal space 30. The shell 31 has a connecting surface 311b facing the base 1 and used to connect to the base 1. In this embodiment, the shell 31 uses the bottom 311 to connect to the base 1, so the connecting surface 311b is substantially a bottom surface of the bottom 311 of the shell 31, but it should be known that the present invention is not limited to this. For example, in other embodiments, the transmitter 3 can also be laterally connected to the base 1, and the connecting surface 311b is substantially a side surface of the transmitter 3. At least a plurality of first electrical contacts 332 and a plurality of second electrical contacts 331 are arranged on the circuit board 33. In addition, the battery 35 can be a button battery (such as Figure 4 as shown) or rechargeable batteries.

[0067] See also Fig.12 and Fig.13 In this embodiment, the processing unit 34 is used to receive an electrical signal from the sensing test strip 22 and output a corresponding blood glucose value signal. The processing unit 34 includes a signal amplifier 341, a measurement and calculation module 342, and a communication module 343. The signal amplifier 341 is used to receive and amplify the telecommunication BCPI-240347 Page 8 / 15. The measurement and calculation module 342 converts the amplified electrical signal into a corresponding digital signal, and converts the digital signal into the blood glucose value signal. The communication module 343 is used to transmit the blood glucose value signal to an external receiving device 800 via an antenna 344. In addition, the measurement and calculation module 342 can include an analog digital signal converter and a processor. The communication module 343 is wirelessly transmitted in this embodiment, but the internal configuration of the processing unit 34 can be adjusted according to needs, so it is not limited to the above content.

[0068] See also Figure 4 , Figure 6 and Figure 8 , the electrical connection portion 36 has a socket 367 connected to the internal space 30, and the socket 367 is for the signal output section 221 of the sensing test strip 22 to be inserted. In this embodiment, the electrical connection portion 36 also has a plurality of grooves 366 that are open to the circuit board 33 and connected to the socket 367, and the second conductive media 37 are respectively accommodated in the grooves 366, and each second conductive medium 37 abuts against the respective second electrical contacts 331 on the circuit board 33 with one side thereof. When the sensing test strip 22 is inserted into the electrical connection portion 36 of the transmitter 3 through the socket 367, each second conductive medium 37 contacts the signal output section 221 of the sensing test strip 22 with its other side, so that the sensing test strip 22 is coupled to the circuit board 33. Specifically, as Figure 6 and Figure 8 As shown, the second conductive medium 37 can be respectively located in the grooves 366 on both sides of the insertion hole 367 to contact the two opposite surfaces of the signal output section 221 of the contact sensing test piece 22 and achieve a clamping effect. The second conductive medium 37 is an elastic body capable of conducting electricity, specifically a coil spring, but can also be a spring sheet, conductive rubber, etc., but is not limited thereto.

[0069] See also Fig.11 and Fig.12 In this embodiment, the second conductive medium 37 includes a plurality of power supply conductive mediums 37a, a plurality of sensing signal conductive mediums 37b, and a plurality of data transmission conductive mediums 37c. The power supply conductive mediums 37a are two and form a switch. In this embodiment, the sensing signal conductive mediums 37b are configured in four in accordance with the electrodes 226 of the sensing test piece 22, but the present invention is not limited thereto.

[0070] Cooperate Figure 3 and Fig.12 In detail, the sensing test strip 22 in this embodiment mainly comprises a substrate 225, an electrode 226 (at the Figure 3 and Fig.12The structure of the sensing test strip 22 is only for illustration), a plurality of electrical contact areas 227 disposed in the signal output section 221, and a sensing layer (not shown) covering at least one portion of the electrode 226 located in the sensing section 222. The sensing layer is used to react with the analyte in the organism, and the electrode 226 is used to sense the reaction result of the sensing layer and transmit the reaction result in the form of an electrical signal. In this embodiment, the electrical signal is the physiological signal, which can reflect the concentration of glucose in the interstitial fluid. In this embodiment, there are four electrodes 226, which are respectively disposed on two opposite surfaces of the substrate 225, and the electrodes 226 can be coupled to the circuit board 33 through the sensing signal conductive medium 37b in the signal output section 221. The aforementioned four electrodes 226 can be two working electrodes 226a and two reference electrodes 226b, but the present invention is not limited thereto. It can also be two working electrodes 226a with one counter electrode or one working electrode 226a with one counter electrode.

[0071] See also Fig.11 When the sensing test piece 22 is not inserted into the jack 367, the switch is in an open circuit state, so that the battery 35 is in a non-powered state. Fig.12 When the sensing test strip 22 is inserted into the socket 367, the electrical contact area 227 in the sensing test strip 22 contacts and conducts the power supply conductive medium 37a, and the working electrode 226a of the sensing test strip 22 contacts two of the sensing signal conductive media 37b, and the reference electrode 226b contacts the other two sensing signal conductive media 37b. In this way, the switch can be switched to a closed circuit state by using the electrical contact area 227, and the battery 35 can be switched to a power supply state. At this time, the battery 35 can supply power to the circuit board 33, thereby providing the processing unit 34 and the sensing test strip 22 with the power required for operation, so that the sensing test strip 22 can measure the analyzed substance. At the same time, the processing unit 34 can receive and process the physiological signals measured by the sensing test strip 22, and transmit the processed physiological signals to the external receiving device 800.

[0072] In addition, the socket 367 of the electrical connection portion 36 is also suitable for inserting an external transmission device. When the external transmission device is inserted into the socket 367, the external transmission device contacts the data transmission conductive medium 37c, thereby enabling data to be transmitted between the external transmission device and the processing unit 34. For example, when manufacturing the transmitter 3, default data can be transmitted to the processing unit 34 via the electrical connection portion 36.

[0073] Since the transmitter 3 and the base 1 are packaged separately during manufacture and sale, the user must first remove the packaging, cover the transmitter 3 on the base 1, and insert the sensing test piece 22 of the sensor 2 into the jack 367 of the transmitter 3 before using it. During the manufacturing, packaging, unpacking, and installation of the transmitter 3, the base 1, and the sensor 2, static electricity is easily accumulated on the surface. In addition, as mentioned above, in the present invention, the transmission of sensing signals, the transmission of data, BCPI-240347 Page 10 / 15

[0074] Functions such as charging and starting are all performed through a single socket 367 on the transmitter 3. The current development trend of device miniaturization has greatly reduced the distance between all electronic components. If the electrostatic discharge current is not discharged in the first time, it will be able to instantly damage a considerable number of electronic components. Therefore, in this embodiment, the electrostatic discharge protection unit 39 is provided at least around the periphery of the socket 367 in the electrical connection portion 36, which is used to withstand and guide the static electricity in the electrostatic discharge event when an electrostatic discharge event occurs, so as to prevent static electricity from entering through the socket 367 to break through or damage a unit to be protected of the transmitter 3. In this embodiment, the unit to be protected includes the processing unit 34 and other electronic components on the circuit board 33, and the signal output section 221 of the sensor test piece 22 inserted in the electrical connection portion 36. The electrostatic discharge protection unit 39 is described in detail as follows.

[0075] like Figure 5 , Figure 6The electrostatic discharge protection unit 39 is coupled to a potential balance unit 41 to guide the charge to eliminate the potential difference generated by static electricity instantaneously, so as to balance the potential. In this embodiment, the potential balance unit 41 includes the first electrical contact 332 on the circuit board 33, the first electrical contact 332 is a low potential point, and specifically a ground potential point, the electrostatic discharge protection unit 39 is coupled to the first electrical contact 332, and the unbalanced charge is grounded and released through the first electrical contact 332. In other embodiments, the potential balancing unit 41 includes a protection circuit on the circuit board 33, and the protection circuit includes the first electrical contact 332, the electrostatic discharge protection unit 39 is coupled to the first electrical contact 332, and the protection circuit can withstand the instantaneous high voltage / instantaneous high current during electrostatic discharge by means of devices such as transient voltage suppressor (TVS), and clamp the voltage between the two poles to a predetermined value, and guide the charge in the electrostatic discharge event to be released from the ground by the protection circuit, or to achieve a shielding effect by balancing the input voltage; or, the potential balancing unit 41 is a metal shell or metal plate (not shown) located between the housing 31 and the circuit board 33 and grounded, and the electrostatic discharge protection unit 39 is coupled to the metal shell or the metal plate. By means of the above-mentioned implementation of the potential balancing unit 41, the electrostatic discharge protection unit 39 guides the charge through the potential balancing unit 41 to balance the potential. However, the potential balancing unit 41 can be designed and varied according to the needs by a person skilled in the art and is not limited to the description herein.

[0076] In this embodiment, the electrostatic discharge protection unit 39 includes an electrostatic discharge protection component covering the outer surface 361 of the electrical connection portion 36 and surrounding the periphery of the plug hole 367.

[0077] 391, the electrostatic discharge protection component 391 is in a shell shape and is made of metal or other conductive materials. In this embodiment, the electrostatic discharge protection component 391 is specifically a stainless steel shell cover, but in other embodiments, it can also be made of an insulating material in a shell shape and covered with a layer of conductive material on the surface to form the electrostatic discharge protection component 391. Alternatively, in other embodiments, the electrostatic discharge protection component 391 is a metal plate and is not limited to a shell shape.

[0078] In this embodiment, the electrostatic discharge protection unit 39 also includes at least one first conductive medium 392 located between the circuit board 33 and the electrostatic discharge protection component 391. Specifically, the electrostatic discharge protection unit 39 includes two first conductive media 392, and the first conductive medium 392 is an elastic component, and abuts against the first electrical contact 332 of the circuit board 33 and the electrostatic discharge protection component 391. In this way, a stable circuit can be formed between the electrostatic discharge protection component 391 and the circuit board 33, so that the electrostatic discharge protection component 391 can withstand the static electricity in the electrostatic discharge event and then guide the static electricity to the first electrical contact 332 of the circuit board 33 through the first conductive medium 392 and ground it. In detail, the first conductive medium 392 is a coil spring, and the first conductive medium 392 abuts against the circuit board 33 and the electrostatic discharge protection component 391 in its radial direction along the first axial direction D1. The electrostatic discharge protection component 391 and the electrical connection portion 36 jointly limit the first conductive medium 392 to make the structure stable and miniaturized, and at the same time be able to stably conduct the electrostatic discharge current.

[0079] See also Fig. 9 and Fig.10 In other embodiments, the first conductive medium 392 may also abut against the first electrical contact 332 of the circuit board 33 in its radial direction along the first axial direction D1, and abut against the electrostatic discharge protection component 391 (such as Fig. 9 ), or the first conductive medium 392 abuts against the circuit board 33 and the plurality of pins 391a extending outward from the electrostatic discharge protection component 391 along the first axial direction D1 by its own axial direction. Fig.10 ). By means of the outer shape of the housing of the electrical connection portion 36 and the electrostatic discharge protection component 391 being matched to limit and press the first conductive medium 392 which is a spring, the structure can also be stabilized and miniaturized, while taking into account the function of stably conducting the electrostatic discharge current.

[0080] In addition, in other embodiments, the electrostatic discharge protection component 391 of the electrostatic discharge protection unit 39 can also be a conductive material layer covering the outer surface 361 of the electrical connection portion 36, which can be formed on the outer surface 361 of the electrical connection portion 36 by sputtering or spraying a conductive material, etc. BCPI-240347 Page 12 / 15, so that the electrostatic discharge protection unit 39 can also achieve the function of bearing and guiding static electricity in an electrostatic discharge event.

[0081] See also Fig.14, is a variation of this embodiment, in which the electrostatic discharge protection component 391 is not disposed on the outer surface 361 of the electrical connection portion 36, but is instead covered on an inner surface 362 of the electrical connection portion 36 and surrounds the periphery of the insertion hole 367, or with reference to Fig.15 The configuration of another electrostatic discharge protection unit 40 in the embodiment is that it is embedded in the electrical connection portion 36 when the electrical connection portion 36 is injection molded, that is, it is located between the outer surface 361 and the inner surface 362 of the electrical connection portion 36 and adjacent to the plug hole 367. In this variation, the electrostatic discharge protection component 391 is directly electrically connected to the first electrical contact 332 on the circuit board 33 to form an electrostatic discharge path, and this electrostatic discharge path is far away from the unit to be protected (such as the processing unit 34 on the circuit board 33), so that when an electrostatic discharge event occurs, the static electricity in the electrostatic discharge event is actually guided to the first electrical contact 332 of the circuit board 33 and grounded, so as to prevent the unit to be protected, such as other electronic components on the circuit board 33, from being broken down by the electrostatic discharge current. Specifically, the electrostatic discharge protection component 391 in this variation is a conductive coating formed on the inner surface 362 of the electrical connection portion 36, but the present invention is not limited thereto. More specifically, when the electrostatic discharge protection component 391 is disposed on the inner surface 362 of the electrical connection portion 36 , the contact between the electrostatic discharge protection component 391 and the second conductive medium 37 can be further insulated.

[0082] See also Fig.15 , is another variation of the present embodiment, in which, in addition to the electrostatic discharge protection unit 39, the emitter 3 further includes another electrostatic discharge protection unit 40. As described above, the another electrostatic discharge protection unit 40 can be embedded in the electrical connection portion 36 when the electrical connection portion 36 is injection molded, that is, it is located between the outer surface 361 and the inner surface 362 of the electrical connection portion 36 and adjacent to the plug hole 367. Then, the another electrostatic discharge protection unit 40 can further pass through the electrical connection portion 36 and be directly electrically connected to the first electrical contact 332 of the circuit board 33, or be electrically connected to the first electrical contact 332 on the circuit board 33 through the first conductive medium 392, as the second level of the electrostatic discharge protection mechanism to guide the electrostatic discharge current to the first electrical contact 332 of the circuit board 33 and ground it when an electrostatic discharge event occurs, so as to prevent the unit to be protected from being broken down by the electrostatic discharge current. Specifically, the other electrostatic discharge protection unit 40 can be a device disposed on the electrical BCPI-240347 Page 13 / 15

[0083] The conductive circuit in the connecting portion 36 , but the present invention is not limited thereto.

[0084] As can be seen from the above description, in this embodiment, the second conductive medium 37 in the electrical connection part 36 is used to electrically connect the sensing chip 22 and the circuit board 33. By arranging the electrostatic discharge protection unit 39 around the periphery of the jack 367, the accumulation of static electricity around the jack 367 can be avoided. When an electrostatic discharge event occurs, the electrostatic discharge protection unit 39 guides the generated electrostatic discharge current to prevent the electrostatic discharge current from damaging the sensing chip 22 inserted into the jack 367 nearby or damaging the internal components (such as the circuit board 33 and the processing unit 34) of the transmitter 3 after entering through the jack 367.

[0085] Refer to Fig.16 , a second embodiment of the physiological signal sensing device with an electrostatic discharge protection mechanism according to the present invention is similar to the first embodiment, and the difference lies in that:

[0086] The first conductive medium 392 of the electrostatic discharge protection unit 39 is omitted, and the electrostatic discharge protection component 391 extends along the first axis D1 into the internal space 30 and is directly coupled to the first electrical contact point 332 (low potential point) of the circuit board 33. Thus, this embodiment can also achieve the purpose of guiding the electrostatic current.

[0087] Refer to Fig.17 , a third embodiment of the physiological signal sensing device with an electrostatic discharge protection mechanism according to the present invention is similar to the second embodiment, and the difference lies in that:

[0088] There is a discharge gap 394 between the electrostatic discharge protection component 391 of the electrostatic discharge protection unit 39 and the first electrical contact point 332 (low potential point) of the circuit board 33, so that the electrostatic discharge protection component 391 can perform air discharge on the circuit board 33. Thus, this embodiment can also achieve the purpose of guiding the electrostatic current.

[0089] Specifically, refer to Fig.14 and Fig.17 , the minimum distance from the electrostatic discharge protection component 391 to the jack 367 is d1 (in this embodiment, d1 can be regarded as zero, while Fig.14 in the variation example, d1 is not zero), the minimum distance from the electrostatic discharge protection component 391 to the first electrical contact point 332 is d2 (i.e., the width of the discharge gap 394), the distance from the jack 367 to the circuit board 33 is d3, and d1, d2, and d3 need to meet the condition of d1 + d2 < d3 for the static electricity to flow through the electrostatic discharge protection component 391.

[0090] Refer to Fig.18 and Fig.19A fourth embodiment of the physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention is similar to the second embodiment, and the difference is that:

[0091] The electrical connection part 36 of the transmitter 3, the second conductive medium 37 and the electrostatic discharge protection unit 39 together constitute a form of an electrical connector, and are arranged on the circuit board 33 by but not limited to BCPI-240347 Page 14 / 15 surface mounting technology (Surface Mount Technology, SMT), and are downwardly penetrated into the bottom 311 of the housing 31, wherein the second conductive medium 37 is a spring sheet, and protrudes from the outer surface 361 of the electrical connection part 36 to form a pin, and the electrostatic discharge protection component 391 of the electrostatic discharge protection unit 39 is in the shape of a metal shell, and extends on both sides to form pins.

[0092] In detail, as described in the first embodiment, when the sensing test piece 22 is inserted into the transmitter 3 via the insertion hole 367, each second conductive medium 37 contacts the electrode 226 or the electrical contact area 227 on the signal output section 221 of the sensing test piece 22 with one side thereof, and contacts the second electrical contact 331 on the circuit board 33 with the other side thereof, thereby electrically connecting the sensing test piece 22 to the circuit board 33. At the same time, the electrical connection portion 36, the second conductive medium 37 and the electrostatic discharge protection unit 39 together constitute an electrical connector and are disposed on the circuit board 33, and the extended pins of the electrostatic discharge protection component 391 can conduct the electrostatic discharge current through the first electrical contact 332 on the circuit board 33 by direct contact (as described in the second embodiment) or air discharge (as described in the third embodiment).

[0093] See also Fig. 20 A fifth embodiment of the physiological signal sensing device with an electrostatic discharge protection mechanism of the present invention is similar to the first embodiment, and the difference is that:

[0094] At least the electrical connection portion 36 in the housing 31 of the transmitter 3 is made of a conductive material, and more specifically in the fifth embodiment, the bottom 311 of the housing 31 and the electrical connection portion 36 are both made of a conductive material and are integrally formed to serve as an electrostatic discharge protection unit 39 for withstanding and guiding the static electricity in an electrostatic discharge event when an electrostatic discharge event occurs.

[0095] In addition, an insulating portion 38a is provided on an inner surface 311a of the bottom 311 of the shell 31 of the transmitter 3. The insulating portion 38a is at least located between the bottom 311 of the shell 31 and the circuit board 33. Another insulating portion 38b is provided between the inner surface 362 of the electrical connection portion 36 and the second conductive medium 37. The insulating portion 38b is located on an inner surface 362 of the electrical connection portion 36 to prevent a short circuit between the circuit on the circuit board 33 and the second conductive medium 37. The insulating portions 38a and 38b can be provided on the bottom 311 of the shell 31 and the surface of the electrical connection portion 36 by one of anodizing, spraying an insulating material, and providing an insulating part.

[0096] The inner surface 311a of the bottom 311 of the housing 31 is not provided with the insulating portion 38a and is coupled to the first electrical contact 332 on the circuit board 33 so as to provide a first contact 332 on the circuit board 33.

[0097] The plate 33 conducts the electrostatic discharge current.

[0098] In addition, in other embodiments, the transmitter 3 can also include at least one first conductive medium 392 ( Fig. 20 Not shown, but can be used as a reference Figure 7 , Fig. 9 or Fig.10 ), the first conductive medium 392 is located between the circuit board 33 and the inner surface 311a of the bottom 311 where the insulating portion 38b is not provided, so that the bottom 311 of the housing 31 is electrically connected to the circuit board 33 to guide the electrostatic discharge current through the circuit board 33.

[0099] In summary, the physiological signal sensing device of the present invention has an electrostatic discharge protection mechanism. When an electrostatic discharge event occurs, the electrostatic discharge protection unit 39 can guide the electrostatic discharge current around the socket 367, thereby effectively preventing the electrostatic discharge current from damaging the sensing test piece 22 inserted into the transmitter 3 through the socket 367, and preventing the electrostatic discharge current from damaging the electronic components inside the transmitter 3 through the socket 367, so that the purpose of the present invention can be achieved.

[0100] The above are merely embodiments of the present invention and should not be used to limit the scope of the present invention. That is, any simple equivalent changes and modifications made according to the claims and description of the present invention still fall within the scope of the present invention.

Claims

1. A physiological signal sensing device with an electrostatic discharge protection mechanism, suitable for measuring physiological parameters of at least one analyte under the skin of a living body, characterized in that: Include: A base, disposed on the skin surface of the biological body, and provided with a sensor, wherein the sensor comprises a sensing section and a signal output section, wherein the sensing section of the sensor is used to be implanted under the skin of the biological body to measure at least one physiological signal corresponding to the physiological parameter in the biological body, and output the physiological signal through the signal output section; A transmitter, detachably connectable to the base, the transmitter comprising: A housing, defining an internal space for accommodating a circuit board, and the housing having a connection surface facing the base, the connection surface being provided with an electrical connection portion, the electrical connection portion having a plug hole communicating with the internal space, the plug hole being provided for the signal output section of the sensor to be plugged in, so as to allow the sensor to couple with the circuit board and output the physiological signal to the circuit board, so as to process the physiological signal; and The electrostatic discharge protection unit is arranged at the electrical connection portion and at least surrounds the periphery of the plug hole, and is used for bearing and guiding the static electricity in the electrostatic discharge event when the electrostatic discharge event occurs.

2. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 1, characterized in that: The transmitter further includes a potential balancing unit, and the electrostatic discharge protection unit is directly electrically connected to the potential balancing unit.

3. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 1, characterized in that: The transmitter also includes a potential balancing unit, and a discharge gap is provided between the electrostatic discharge protection unit and the potential balancing unit. The distance of the discharge gap is smaller than the distance from the insertion hole to the unit to be protected in the internal space of the transmitter, so that when the electrostatic discharge event occurs, the electrostatic discharge protection unit bears and guides the static electricity to the discharge gap, and the potential balancing unit is air-discharged through the discharge gap.

4. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 1, characterized in that: The electrostatic discharge protection unit includes an electrostatic discharge protection component, and the electrostatic discharge protection component covers the outer surface of the electrical connection portion.

5. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 4, characterized in that: The electrostatic discharge protection component is covered on the electrical connection BCPI-240347 Page 2 / 4 A conductive material layer on the outer surface of the connecting portion.

6. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 1, characterized in that: The transmitter further includes a potential balancing unit, the electrostatic discharge protection unit includes an electrostatic discharge protection component, and the electrostatic discharge protection component is located in the inner space of the housing and is electrically connected to the potential balancing unit to form an electrostatic discharge path, and the electrostatic discharge path is far away from the unit to be protected.

7. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 6, characterized in that: The electrostatic discharge protection component is a conductive material layer covering the inner surface of the electrical connection portion.

8. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 1, characterized in that: The transmitter also includes a potential balancing unit, the electrostatic discharge protection unit includes an electrostatic discharge protection component arranged on the electrical connection portion and at least adjacent to the periphery of the socket, and at least one first conductive medium contacting the electrostatic discharge protection component, and the electrostatic discharge protection component is electrically connected to the potential balancing unit through the first conductive medium.

9. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 8, characterized in that: The first conductive medium in the electrostatic discharge protection unit of the transmitter is a coil spring, and abuts against the potential balance unit along its radial direction, and abuts against the electrostatic discharge protection component along its axial direction.

10. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 8, characterized in that: The first conductive medium in the electrostatic discharge protection unit of the transmitter is a coil spring, and abuts against the electrostatic discharge protection component and the potential balance unit along its radial direction or axial direction respectively.

11. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 1, characterized in that: The electrical connection portion of the transmitter is in the form of an electrical connector, and is disposed on the circuit board and penetrates the connection surface.

12. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 1, characterized in that: The internal space of the transmitter is also provided with: a battery connected to the circuit board; A processing unit disposed on the circuit board; and A plurality of second conductive media are contained in the electrical connection portion, and each of the second conductive media is The two conductive media abut against the circuit board with one side thereof, When the signal output segment of the sensor is inserted into the transmitter via the jack, each second conductive medium contacts the signal output segment of the sensor with the other side, so that the sensor is coupled to the circuit board through the second conductive medium, and the battery provides power to the circuit board, and the sensor starts to measure and transmits the measured physiological signal to the processing unit of the circuit board for processing.

13. A physiological signal sensing device with an electrostatic discharge protection mechanism, suitable for measuring physiological parameters of at least one analyte under the skin of a living body, characterized in that: Include: A base, disposed on the skin surface of the biological body, and provided with a sensor, wherein the sensor comprises a sensing section and a signal output section, wherein the sensing section of the sensor is used to be implanted under the skin of the biological body to measure at least one physiological signal corresponding to the physiological parameter in the biological body, and output the physiological signal through the signal output section; and A transmitter, detachably connectable to the base, the transmitter comprising: A housing defines an internal space for accommodating a circuit board, and an electrical connection portion is provided on one side of the housing and faces the base, the electrical connection portion has a plug hole connected to the internal space, the plug hole is used for the signal output section of the sensor to be inserted, so as to allow the sensor to couple to the circuit board and output the physiological signal to the circuit board to process the physiological signal; Wherein, at least the electrical connection portion in the housing is made of a conductive material to serve as an electrostatic discharge protection unit, which is used to withstand and guide the static electricity in the electrostatic discharge event when an electrostatic discharge event occurs.

14. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 13, characterized in that: The internal space of the transmitter is also provided with: a battery connected to the circuit board; A processing unit disposed on the circuit board; and A plurality of second conductive media are accommodated in the electrical connection portion, and each second conductive medium abuts against the circuit board with one side thereof. When the sensor is inserted into the transmitter via the jack, each second conductive medium contacts the portion of the sensor inserted into the electrical connection portion with the other side, so that the sensor is coupled to the circuit through the second conductive medium. board, and the battery provides power to the circuit board, and the sensor starts to measure and transmits the measured physiological signal to the processing unit for processing.

15. The physiological signal sensor device with electrostatic discharge protection mechanism according to claim 14, characterized in that: An insulating portion is provided between the inner surface of the electrical connection portion of the transmitter and the second conductive medium.

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