Health monitoring arrangement

Abstract

The invention relates to a health monitoring arrangement comprising a chestpiece (10) of an electronic stethoscope, a body attachment element (200) for attaching the chestpiece (10) to the patient body, and a chestpiece holder (220, 221, 300, 310, 320, 330) arranged to receive the chestpiece (10) and mount the chestpiece (10) to the body attachment element (200). The chestpiece (10) comprises a body (12), an audio chamber (20) inside the body (12) for detecting auscultated sound from a patient body, a first microphone (32) provided in connection with the sound chamber (20) for converting the auscultated sound into an auscultated sound signal, and a wireless communication module (42) configured to transmit the auscultated sound signal from the chestpiece (10) to an external receiver.

Description

[0001]HEALTH^MONITORING^ARRANGEMENT FIELD OF THE INVENTION The present invention relates to a health monitoring arrangement and more particularly to a health monitoring arrangement according to preamble of claim 1. BACKGROUND OF THE INVENTION Stethoscopes are conventionally used momentarily during health inspection carried out by a doctor. Accordingly, the stethoscopes are used only certain controlled situations and locations. Use of stethoscopes is further defined by the structure of the stethoscopes as the earplugs are physically connected to a chestpiece. One of the problems associated with the prior art stethoscopes and utilization there of is that utilization of stethoscopes and collecting auscultated sounds of a patient body are restricted. Thus, utilization of auscultated sounds for inspecting or monitoring health of the patient is restricted. BRIEF DESCRIPTION OF THE INVENTION An object of the present invention is to provide a health monitoring arrangement so as to solve or at least alleviate the prior art disadvantages. The objects of the invention are achieved by a health monitoring arrangement which is characterized by what is stated in the independent claim 1. The preferred embodiments of the invention are disclosed in the dependent claims. The invention is based on the idea of providing a health monitoring arrangement. The arrangement comprises a chestpiece of an electronic health monitor- The chestpiece comprising a body, an audio chamber inside the body for detecting auscultated sound from a patient body, a first microphone provided in connection with the sound chamber for converting the auscultated sound into an auscultated sound signal, and a wireless communication module configured to transmit the auscultated sound signal from the chestpiece to an external receiver. The arrangement further comprises a body attachment element for attaching the chestpiece to the patient body against skin of the patient, the body attachment element being configured to provide retaining force to the skin of the patient. The health monitoring arrangement of the present invention enables the patient to use the health monitor for an extended time for example during sleeping or during a normal day. Accordingly, auscultated sounds of patient body may be monitored and collected for long periods time and during different daily activities. In some embodiments, the body attachment element is configured to direct pressure force to the chestpiece for pressing the chestpiece against the skin of the patient when the chestpiece is attached to the patient body with the body attachment element. Accordingly, the body attachment element is configured to press the chestpiece against the skin of the patient body. In some embodiments, the body attachment element is provided with an adhesive surface configured to provide adhesive force between the chestpiece and the skin of the patient when the chestpiece is attached to the patient body with the body attachment element. Accordingly, the body attachment element is configured to adhere the chestpiece against the skin of the patient body with the adhesive surface. In some embodiments, the health monitor arrangement comprises a chestpiece holder arranged to receive the chestpiece and mount the chestpiece to the body attachment element the body strap. In the present invention the chestpiece is detachably mounted or installed to the chestpiece holder and further to the body strap. In some embodiments, the body of the chestpiece comprises an outer front surface arranged to be placed against the patient body, the body attachment element comprises an inner surface arranged to be placed towards the patient body, and the chestpiece holder is arranged receive the chestpiece such that the outer front surface of the body of the chestpiece is arranged on the side of the inner surface of the body attachment element and arranged to face away from the inner surface of the body attachment element. Accordingly, the body attachment element and the chestpiece holder are configured to place and keep the outer front surface of the chestpiece against the skin of the patient for extended times without manually holding the chestpiece. In some embodiments, the outer front surface of the body of the chestpiece is arranged at a distance from the inner surface of the body attachment element. This enables the outer front surface of the chestpiece to be pressed against the skin of the patient when the body attachment element is installed on the patient such that the inner surface of the body attachment element is towards the patient body. In some other embodiments, the chestpiece is arranged to protrude from the inner surface of the body attachment element, and the outer front surface of the body of the chestpiece is arranged at a distance from the inner surface of the body attachment element. Accordingly, installing or tightening the body strap against the body of the patient enables pressing or placing the outer front surface of the chestpiece against the skin of the patent. In some embodiments, the chestpiece holder is provided as a holder opening arranged to receive the chestpiece, the holder opening being provided through the body attachment element. The holder opening provides a simple body attachment element and chestpiece holder for receiving the chestpiece. In some embodiments, the chestpiece comprises one or more recesses arranged to provide form locking with the holder opening for mounting the chestpiece to the holder opening. In some other embodiment, the holder opening comprises an opening edge defining the holder opening, and the chestpiece comprises one or more recesses arranged to receive the opening edge for mounting the chestpiece to the holder opening with form locking. In some further embodiments, the body of the chestpiece comprises the outer front surface, an outer top surface opposite the outer front surface, and outer side surfaces extending between outer front surface and the outer top surface, the chestpiece further comprises one or more recesses provided to the outer side surfaces of the body and arranged to receive the opening edge for mounting the chestpiece to the holder opening with form locking. The one or more recesses enables firm locking of the chestpiece to the holder opening and to the body attachment element. Accordingly, the one or more recesses enable forming form locking of the chestpiece to the holder opening. This further enables keeping the chestpiece in pace and the outer front surface of the chestpiece against the skin of the patient during extended periods of time and during different activities. In some embodiment, the chestpiece holder is provided as a holder element arranged to receive the chestpiece for mounting the chestpiece to the body attachment element. The holder element is preferably provided on the inner surface of the body attachment element. The chestpiece may be mounted to the holder element such that the outer front surface of the chestpiece is facing away from the inner surface of the body attachment element. The holder element is configured to receive the chestpiece for mounting the chestpiece to the body attachment element. In some embodiments, the holder element is fixedly attached to the inner surface of the body attachment element. Thus, the chestpiece may be directly connected and mounted to the body attachment element. In some other embodiments, the holder element is detachably provided to the inner surface of the body attachment element. Accordingly, the chestpiece is mounted to the holder element and the holder element attached to the body attachment element for mounting the chestpiece to the body attachment element. This makes the mounting of the chestpiece to the body attachment element easier. In some embodiments, the body strap is provided with a first attachment element and the holder element is provided with a second attachment element, the first and second attachment elements are configured to be detachably attached together for attaching the holder element detachably to the body attachment element. Handling of the chestpiece with the body attachment element is easier as it does not have to be directly attached to the body attachment element. In some embodiments, the holder element comprises a suction cup arranged to receive the chestpiece for mounting the chestpiece to the body attachment element. In some other embodiments, the holder element comprises a suction cup arranged to receive the outer top surface of the chestpiece for mounting the chestpiece to the body attachment element. The suction cup enables attaching the chestpiece to the body attachment element without providing the chestpiece any additional mounting elements or mounting features. Accordingly, the attachment of the chestpiece may be done without modifying or adding anything to the chestpiece. The attachment of the chestpiece is provided with suction force provided by the suction cup. In some embodiments, the holder element comprises a chestpiece receptacle arranged to receive the chestpiece for mounting the chestpiece to the body attachment element. The receptacle can be any kind of receptacle arranged to receive the chestpiece. The receptacle may be for example a cup-like receptacle. In some other embodiments, the holder element comprises a chestpiece receptacle arranged to receive the chestpiece at least partly inside the chestpiece receptable for mounting the chestpiece to the body attachment element. The receptacle comprises a receptacle space inside which the chestpiece may be at least partly received for mounting the chestpiece to the chestpiece holder and the body attachment element. In some further embodiments, the holder element comprises a chestpiece receptacle, the chestpiece receptacle comprising a receptacle space open in direction away from the inner surface of the body attachment element, the chestpiece receptacle being arranged to receive the chestpiece at least partly inside the receptable space for mounting the chestpiece to the body attachment element. Accordingly, the chestpiece may be mounted to the receptacle space via the open portion such that the front surface of the chestpiece is arranged away from the inner surface of the body attachment element. In some embodiments, the chestpiece receptacle is arranged to provide form locking with the chestpiece for mounting the chestpiece to the body attachment element. The form locking enables attaching chestpiece to the chestpiece receptacle with additional attachment members provided to the chestpiece. In some other embodiments the chestpiece comprises one or more recesses arranged to provide form locking with the chestpiece receptacle for mounting the chestpiece to the chestpiece receptacle. The one or more recesses may be provided as grooves, narrowing or some other concave section. The chestpiece receptacle may be attached to the one or more recesses or in connection with the one or more recesses for mounting the chestpiece to the chestpiece receptacle. In some further embodiments, the chestpiece receptacle comprises one or more locking elements arranged to provide form locking with the chestpiece for mounting the chestpiece to the body attachment element. The locking elements of the chestpiece receptacle are configured to attach to the chestpiece. In some yet further embodiments, the chestpiece receptacle comprises one or more locking elements and the chestpiece comprises one or more recesses, the one or more locking elements of the chestpiece receptacle and the one or more recesses of the chestpiece are arranged to provide form locking for mounting the chestpiece to the chestpiece receptacle. The locking elements may be provided as locking claws, locking edges or the like arranged to provide form locking with the chestpiece or the one or more recesses thereof. In some embodiments, the holder element comprises a chestpiece pocket arranged to receive the chestpiece for mounting the chestpiece to the body attachment element. The pocket provides a simple and easy structure for mounting the chestpiece to the body strap. No additional features need to be provided to the chestpiece and outer surface of the body attachment element may be provided smooth. In some other embodiments, the holder element comprises a chestpiece pocket provided on the inner surface of the body attachment element and arranged to receive the chestpiece for mounting the chestpiece to the body attachment element. In some further embodiments, the holder element comprises a chestpiece pocket provided on the inner surface of the body attachment element and arranged to receive the chestpiece for mounting the chestpiece to the body attachment element, the chestpiece pocket comprises a pocket opening open in a direction away from the inner surface of the body attachment element and arranged to receive the outer front surface. The pocket opening enables placing the outer front surface of the chestpiece directly against the skin of the patient. In some embodiments, the holder element comprises a first attachment member and the chestpiece is comprises a second attachment member provided to the chestpiece, the first and second attachment members being arranged to be attached to each other for mounting the chestpiece to the body attachment element. The first and second attachment member enable firm attachment of the chestpiece to the body attachment element. In some other embodiments, the holder element comprises a first attachment member provided to the inner surface of the body attachment element and the chestpiece is comprises a second attachment member provided to the outer top surface of the chestpiece, the first and second attachment members being arranged to be attached to each other for mounting the chestpiece to the body attachment element. Utilizing the first and second attachment members enables minimizing the holder element provided to the body attachment element. In some embodiments, body attachment element is made of elastic material configured to generate the pressure force. In some other embodiments, the body attachment element comprises a stretch portion made of elastic material configured to generate the pressure force. The elastic material or stretch portion enables providing pressure via the body attachment element to press the front surface of the chestpiece against the skin of the patient. In some embodiments, attachment element is a body strap. In some other embodiments, the attachment element is piece of clothing. In some embodiments, the body attachment element is provided adjustable in length. In some other embodiments, the body strap comprises an adjustment element, the adjustment element being arranged to adjust the length of the body strap. The adjustable body strap enables arranging the body strap to different parts of the body and to different people. In some embodiments, the body strap is formed as a continuous loop. The continuous loop may be easily slipped to body and in place. In some embodiments, the body strap is provided with a buckle. In some other embodiments, the body strap comprises a first end and a second end, the first end is provided with a first connecting element and the second end is provided with a second connecting element, the first and second connecting elements are arranged to be detachably connected together for forming a loop. The buckle or the first and second connecting elements enable opening and closing the body strap. In open state of the body strap the first and second end of the body strap are separated from each other. In closed state of the body strap the first and second end of the body strap are connected to each other, and the body strap forms a loop. In some embodiments, the body strap comprises a first end and a second end, the chestpiece holder is provided between the first end and the second end, the body strap comprising a first adhesion area provided between the first end and the chestpiece holder and a second adhesion area provided between the second end and the chestpiece holder. In some embodiments, the body strap is made of elastic or stretchable material configured to generate the pressure force. In some other embodiments, the body strap comprises a stretch portion made of elastic material configured to generate the pressure force. The adhesion areas enable placing the chestpiece freely in any location of the body and still firmly press the outer front surface of the chestpiece against the skin of the patient. In some embodiments, the piece of clothing is made of elastic or stretchable material configured to generate the pressure force. In some other embodiments, the piece of clothing comprises a stretch portion made of elastic material configured to generate the pressure force. The elastic material or stretch portion enables providing pressure via the piece of clothing to press the front surface of the chestpiece against the skin of the patient. In some embodiments, the body attachment element comprises the adhesive surface, and that the adhesive surface is provided to the body attachment element. In some other embodiments, the body attachment element comprises the adhesive surface, and that the body attachment element comprises an adhesive member and that the adhesive member is provided to the chestpiece, and the adhesive surface is provided to the adhesive member. The adhesive surface enables securing the chestpiece freely in any location of the body and still firmly press the outer front surface of the chestpiece against the skin of the patient. In some embodiments, the outer front surface of the chestpiece comprises a diaphragm arranged to form a front chamber surface of the audio chamber. The diaphragm is arranged to form at least part of the outer front surface of the body of the chestpiece. The diaphragm is further arranged to close the audio chamber at the outer front surface of the chestpiece. Accordingly, the diaphragm is arranged between the chamber space of the audio chamber and outside of the chestpiece. In some embodiments, the chestpiece comprises a photoplethysmography sensor arranged to detect blood flow volume in the patient body. In some embodiments, the chestpiece comprises a photoplethysmography sensor arranged in connection with the diaphragm and arranged to detect blood flow volume in the patient body. In some embodiments, the outer front surface of the chestpiece comprises a photoplethysmography sensor arranged to detect blood flow volume in the patient body. The photoplethysmography sensor is provided in connection with the outer front surface of the chestpiece. The photoplethysmography sensor is directed away from the outer front surface of the chestpiece and towards the skin of the patient. The chestpiece of enables both detecting auscultated sounds from the patient body and at the same time detecting blood flow volume in the patient body. Especially, the chestpiece enables detecting auscultated sounds and blood flow volume in the patient body at a specific location simultaneously extended times by utilizing the body attachment element. In some embodiments, the chestpiece comprises a movement sensor. The movement sensor comprises an accelerometer, or a gyroscopic sensor, or an accelerometer and a gyroscopic sensor. The movement sensor enables detecting patient movements during the use of the chestpiece together with the bode attachment element. The movement sensor enables also detecting movements of the chestpiece and generate operation commands based on the movements of the chestpiece. In some embodiments, the movement sensor is operatively connected to the amplifier unit for adjusting amplification level of an amplifier unit as response to the detected movement with the movement sensor to generate an amplified auscultated audio signal. In some embodiments, the body of the chestpiece comprises the outer front surface, the outer top surface and the outer side surfaces extending between the outer front surface and the outer top surface, and that the outer top surface is formed as an uninterrupted surface. In some other embodiments, the outer side surfaces are formed as uninterrupted surfaces. In some further embodiments, the outer top surface and the outer side surfaces are formed as uninterrupted surfaces. The uninterrupted surface(s) enable use of the chestpiece for extended time without risks of contaminations entering inside the chestpiece during use. In some embodiments, the chestpiece comprises an operating button, and that the operating button is provided with a proximity sensor configured to detect human tissue in close proximity. In some other embodiments, the outer top surface is formed as the uninterrupted surface and the operating button is provided in connection with the outer top surface, the operating button comprises a proximity sensor configured to detect human tissue in close proximity of the outer top surface. In some further embodiments, the outer side surfaces are formed as the uninterrupted surface and the operating button is provided in connection with the outer side surfaces, the operating button comprises a proximity sensor configured to detect human tissue in close proximity of the outer side surfaces. The uninterrupted surface(s) and the proximity sensor enable providing the chestpiece with operating button(s) without subjecting the inside of the chestpiece to contamination. In some embodiments, the chestpiece (10) is a chestpiece (10) of an electronic stethoscope. An advantage of the invention is that that the health monitoring arrangement of the present invention enables collecting auscultated sounds of the patient body for extended times and during different activities. The present invention further enables collecting auscultated sounds from different locations of the body. BRIEF DESCRIPTION OF THE DRAWINGS The invention is described in detail by means of specific embodiments with reference to the enclosed drawings, in which Figures 1 to 3 shows schematic views of a chestpiece of an electronic health monitor; Figure 4 shows a schematic cross-sectional view of the chestpiece of figure 1; Figures 5 and 6 show further schematic views of the chestpiece according to the present invention; Figures 7 and 8 show schematic views of different embodiments of a body strap according to the present invention; Figures 9 to 11 show schematically one embodiment of a health monitoring arrangement according to the present invention; Figures 12 and 13 show schematically another embodiment of a health monitoring arrangement according to the present invention; Figures 14 to 16 show schematically yet another embodiment of a health monitoring arrangement according to the present invention; Figures 17 and 18 show schematically a further embodiment of a health monitoring arrangement according to the present invention; Figures 19 and 20 show a schematically yet further embodiment of a health monitoring arrangement according to the present invention; Figure 21 shows schematic view another embodiment of a body strap according to the present invention; Figures 22 and 23 show a schematically another further embodiment of a health monitoring arrangement according to the present invention; Figures 24 and 24 show a schematically alternative embodiments of a health monitoring arrangement according to the present invention Figures 26 to 28 show schematic views of a chestpiece according to the present invention. DETAILED DESCRIPTION OF THE INVENTION Figure 1 shows schematically a side view of one embodiment of a chestpiece 10 for an electronic health monitor. The chestpiece 10 is configured to provide auscultated sounds of a patient body, for example heart, lungs, bowel, arteries and veins. The chestpiece 10 may be a chestpiece of an electronic stethoscope. The chestpiece 10 comprises a body 12. The body comprises an outer top surface 16, an outer front surface 14 and outer side surface(s) 18 extending between the outer top surface 16 and the outer front surface 14. The outer front surface 14 is configured to be placed against a patient body or skin during health examination. The outer front surface 14 is provided with a diaphragm 15 forming at least part of the outer front surface 14 of the body 12. Figure 2 shows a schematic cross-sectional side view of the chestpiece surface(s) 18 define inner chestpiece space 11 inside chestpiece 10. The chestpiece 10 comprises an audio chamber 20 inside the body 12. The audio chamber 20 is defined by audio chamber surfaces 22 and the diaphragm 15. The diaphragm 15 is arranged to separate the audio chamber 20 form the outside of the chestpiece 10 at the outer front surface 14. Thus, the audio chamber 20 is provided in connection with the outer front surface 14. In the figure 2 the diaphragm 15 is not shown. In some embodiments the diaphragm may be omitted and the audio chamber 20 is open to the outer front surface 14 of the chestpiece 10. Thus, the outer front surface 14 comprises a chamber opening 26. Figure 3 shows a schematic bottom view of the chestpiece 10. The audio chamber 20 comprises the chamber walls 22 and the top end 24. The top end 24 is provided with the sound opening. The audio chamber 20 has bell-shaped form, as shown schematically in figure 2. The diaphragm 15 or the outer front surface 14 is arranged to provide a bottom of the bell-shaped form. The end 24 of the bell-shaped audio chamber 20 is provided opposite the diaphragm 15. The bell-shaped form of the audio chamber 20 provides mechanical amplification of sound, sound waves or pressure waves generated with the diaphragm 15. It should be noted that that the audio chamber 20 may also have a different shape. The audio chamber 20 may for example have a tapering or converging shape towards the top end 24 of the audio chamber 20. The top end 24 is arranged opposite the diaphragm 15. The shape of the audio chamber 20 is arranged to provide amplification of the auscultated sounds towards the top end 24 of the audio chamber 20. The chestpiece 10 has a circular cylinder shape as shown in figures 1 to 4. IN figure 4 the electric components of the chestpiece 10 are not shown. In the figure 3 the diaphragm 15 is not shown. In some embodiments the diaphragm may be omitted and the audio chamber 20 is open to the outer front surface 14 of the chestpiece 10. Thus, the outer front surface 14 comprises a chamber opening 26. The audio chamber 20 comprises the chamber walls 22 and the top end 24. The top end 24 is provided with the sound opening. In some embodiments, the bell-shaped audio chamber 20 is without the diaphragm 15. The chestpiece 10 has circular cylinder shape, as shown in figures 1 to 3. It should be noted, that the chestpiece 10 may also have a different three-dimensional shape, such as oval cylindrical shape, or rectangular or polygonal cylindrical shape. Figure 4 shows schematically a cross-sectional view of the chestpiece 10 and a schematic configuration of an electronic health monitor utilizing the chestpiece 10. the audio chamber 20 is provided in connection with the outer front surface 14. The diaphragm 15 has a planar shape. The diaphragm 15 extends parallel to the outer front surface 14. When the outer front surface 14 is placed against patient skin, the diaphragm 15 is also placed against the patient skin. The diaphragm 15 is provided as a flexible diaphragm. Flexibility of the diaphragm 15 enables the diaphragm 15 to move or vibrate as a response to body sounds of the patient when the outer front surface 14 and the diaphragm 15 is placed against the patient skin. The movement or vibration of the diaphragm 15 generates acoustic pressure waves into the audio chamber 20. The chestpiece 10 comprises a first microphone 30 arranged in connection with the audio chamber 20. The first microphone is configured to capture auscultated sounds or the pressure waves provided by the diaphragm 15 and the audio chamber 20, and further convert the auscultated sounds into an auscultated sound signal. The auscultated sound signal generated by the first microphone 30 is an electronic auscultated sound signal. The first microphone 30 is arranged to in connection with the audio chamber 20 such that the first microphone 30 is arranged to capture the auscultated sounds from the audio chamber 20. The first microphone 30 is arranged in connection with the audio chamber 20 or inside the audio chamber 20. Alternatively, the first microphone 30 is arranged to the audio chamber walls 22. In the embodiment of figure 3, the first microphone 30 is arranged in connection with the top end 24 of the audio chamber 20. The first microphone 30 is arranged to the top end 24 of the audio chamber 20. In the embodiment of figure 4, the top end 24 of the audio chamber 20 comprises sound opening and the first microphone 30 is arranged to or in connection with the sound opening of the top end 24. In some other embodiments the first microphone 30 is arranged to form the top end 24 of the audio chamber 20. The first microphone 30 may be any kind of microphone device. The chestpiece 10 comprises also a second microphone 32. The second microphone 32 is provided as an ambient microphone. The second microphone 32 is arranged to capture or detect ambient sounds from the surroundings of the chestpiece 10. The second microphone 32 is arranged to generate an ambient sound signal or convert the ambient sounds into the ambient sound signal. The second microphone 32 and the ambient sound signal is utilized for filtering the ambient sounds from the auscultated sound signal. Thus, ambient sounds or interference sounds do not disturb the diagnosis carried out based on the auscultated sounds. It should be noted that the second microphone 32 may also be omitted. The chestpiece 10 further comprises a processing unit 40. The processing unit 40 comprises one or more processors, and one or more memory elements. A software program comprising instructions for operating the chestpiece and the components thereof is stored to the one or more memory elements. The processing unit may comprise a read only memory (ROM) and / or a random access memory (RAM). A basic input output system (BIOS) is stored in the ROM. The RAM is used as a work area of the processing unit or as a temporary storage apparatus for loading a software program for operating the chestpiece 10 and the components thereof. It should be noted that the above is only one embodiment and the processing unit may be implemented in various ways without departing the present invention. The processing unit 40 or software program stored therein may comprise instructions for processing the auscultated sound signal into auscultated sound data. The processing may comprise for example filtering and / or amplifying the auscultated sound signal and generating the auscultated sound data. The processing unit 40 or software program stored therein is further configured to comprise instructions for operating the first microphone 30. The processing unit 40 or software program stored therein is further configured to comprise instructions for operating the second microphone 32. The chestpiece 10 further comprises a power unit 44. The power unit 40 comprises a battery. The battery is preferably a rechargeable battery. The battery unit 44 further comprises a charging module arranged to charge the battery. The charging module is preferably provided as a wireless charging module arranged to charge the battery in wireless manner. The wireless charging module comprising a charging coil operatively connected to the battery. The chestpiece 10 further comprises a communication module 42 configured carry out data transfer between the chestpiece 10 and an external device. The communication module 42 is preferably a wireless communication module 42 configured to utilize a wireless communication protocol to carry out data transfer between the chestpiece 10 and the external device. In some embodiments, the wireless communication module 42 comprises a short-range wireless communication module configured to utilize wireless short-range communication protocol to carry out the data transfer. The wireless communication module 42 may be a Bluetooth communication module configured to utilize Bluetooth communication protocol for data transfer. The wireless communication module 42 may also be a Wi-fi communication module configured to utilize Wi-Fi communication protocol for data transfer. The first microphone 30 is connected or operatively connected to the processing unit 40. The processing unit 40 is configured to receive the auscultated sound signal from the first microphone 30. The second microphone 32 is connected or operatively connected to the processing unit 40. The processing unit 40 is configured to receive the ambient sound signal from the second microphone 32. The communication module 42 is connected or operatively connected to the processing unit 40. The communication module 42 is configured to transfer data from the chestpiece 10 or from the processing unit 40 to the external device. The communication module 42 is further configured to receive data to the chestpiece 10 or to the processing unit 40 from the external device. The power unit 44 is configured to provide power to the processing unit 40, the communication module 42 and to the first and second microphones 30, 32. The power unit 44 may be connected to the processing unit 40, the communication module 42 and to the first and second microphones 30, 32. The chestpiece further comprise a circuit board 50. The processing unit 40, communication module 42, power unit 44, and the first and second microphones 30, 32 are provided to or connected to the circuit board 50. The chestpiece 10 is connected to the external device with the communication module 42 via a communication connection 100, as shown on figure 4. The external device is a mobile user device 104 such as a mobile phone or a tablet. The external device may also be a computer 106 such as a laptop. The external device may also be an external audio device 102 such as headphones or a speaker. The chestpiece 10 is directly connected to the external device 102, 104, 106 via the communication module 42 by utilizing the communication protocol. Accordingly, the chestpiece 10 and the communication module 42 thereof is configured to transfer the auscultated sound signal or the auscultated sound data to the external device 102, 104, 106. Accordingly, the external device 102, 104, 106 also comprises a device communication module configured to receive the auscultated sound signal or the auscultated sound data from the chestpiece 10 via the communication connection 100. In some embodiments, the external device is an external server comprising a server communication module configured to carry out data transfer with the chestpiece 10. In this embodiment, the mobile user device 104, the external audio device 102 or the computer 106 is arranged in data transfer connection with the external server. The mobile user device 104, the external audio device 102 or the computer 106 is arranged to receive the auscultated sound signal or the auscultated sound data from the external server. In some embodiment, the external audio device 102 is connected with the mobile user device 104 or to the computer 106, and the mobile user device 104 or the computer is connected with the external audio device 102. The mobile user device 104 or the computer 106 or the external audio device 102 is configured to emit the auscultated sounds of the auscultated signal or auscultated sound data derived from the auscultated signal with a speaker device provided to the mobile user device 104 or the computer 106 or the external audio device 102. Accordingly, chestpiece 10 enables the auscultated sounds to be listened on site where the patient is or at distant location over the communication connection 100. The chestpiece 10 further comprises an amplifier unit 70 comprising an amplifier and configured to provide amplification of the auscultated sound signal into an amplified auscultated sound signal. The amplifier unit 70 comprises any known or future amplifier capable of amplifying the auscultated sound signal or capable of sound volume level of the auscultated sound signal. The amplifier unit 70 is configured to provide amplification of the sound volume level of the auscultated sound signal. The amplifier unit 70 is configured to generate amplified auscultated sound signal having amplified sound volume level. The amplifier unit 70 may comprise an electronic amplifier component configured to increase power of the auscultated sound signal and generate the amplified auscultated sound signal and / or to increase audio power of the auscultated sound signal and generate the amplified auscultated sound signal. Further, the amplifier unit 70 is configured to adjust sound volume level of the auscultated sound signal as a response to adjusting the amplification level of the amplifier unit 70. The amplifier unit 70 is provided as an adjustable amplifier unit 70 configured to adjust the amplification level of the amplifier unit 70. Thus, the magnitude of amplification of the auscultated sound signal in the amplifier unit 70 is provided adjustable. The amplifier unit 70 is connected or operatively connected to the processing unit 40. The chestpiece 10 further comprises a movement sensor 74, or one or more movement sensors 74. The movement sensor 74 is an accelerometer, gyroscope or magnetometer, or some other movement sensor. The movement sensor 74 may also comprise two or more of accelerometer, gyroscope and magnetometer. The movement sensor 74 is configured to detect movement or rotation of the chestpiece 10. The movement sensor 74 is configured to detect movement or rotation of the chestpiece 10 and generate a movement signal based on the detected movement of the chestpiece 10. In some other embodiments, the movement sensor 74 is connected to the processing unit 40. The processing unit 40 is configured to the receive the movement signal(s) from the movement sensor 74. The communication module 42 is further configured to receive movement data or movement signal(s) from the movement sensor(s) 74 or form the processing unit and to transmit them to the external device. Figure 5 shows one embodiment of the present invention. The chestpiece 10 comprises on the outer front surface 14 a photoplethysmography sensor 60 (PPG sensor). The outer front surface 14 is further provided with the diaphragm 15 arranged to form part of the outer front surface 14 of the chestpiece 10. The PPG sensor 60 is arranged on the outer front surface 14 of the body 12 adjacent to or besides the diaphragm 15. The PPG sensor 60 is arranged to detect blood flow volume or change of blood flow volume in the patient body when it is placed against the skin of the patient. The PPG sensor 60 comprises an optical emitter configured to emit light and a light detector arranged to detect light. The optical emitter emits light to a tissue of the patient and the light detector measures the reflected light from the tissue of the patient. The reflected light is proportional to blood volume variations. The PPG sensor generates a photoplethysmography (PPG) signal based on the reflected light measured with the light detector. The PPG signal can be used to diagnose for example cardiac arrhythmias, cardiovascular-related diseases such as atherosclerosis and arterial stiffness, or other cardiac and respiratory irregularities. In some other embodiments the PPG sensor 60 is arranged on outer surface of the diaphragm 15. In some further embodiments the PPG sensor 60 is arranged on the side of the inner surface of the diaphragm 15. The PPG sensor may be arranged on the inner surface of the diaphragm 15. Alternatively, PPG sensor may be arranged inside the audio chamber 20 at distance from the diaphragm 15. The PPG is arranged to measure, meaning emit and receive light, through the diaphragm 15. In some further embodiments, the diaphragm 15 is provided with a lens, opening or the like via which the PPG is arranged to measure, meaning emit and receive light. Figure 6 shows a schematic side view of the embodiment of figures 5 and 6. As shown in figure 6, the PPG sensor 60 is arranged on the same level or flush with the diaphragm 15 on the outer front surface 14. Alternatively, the PPG sensor 60 is arranged to protrude outwards from level of the diaphragm 15. The PPG sensor 60 is connected to the processing unit 40 such that the processing unit is configured receive the generated PPG signal from the PPG sensor 60. The communication module 42 is further configured to receive PPG data or PPG signal from the processing unit 40 or form the PPG sensor 60 and to transmit is to the external device. The PPG sensor enables detecting blood flow volume or change of blood flow volume in the patient body simultaneously and from the same location of the body with the auscultated sounds. Figure 7 shows schematically a body strap 200 of the health monitoring arrangement, or a stethoscope arrangement according to the present invention. In the health monitoring arrangement of the present invention the chestpiece 10 is arranged to be detachably or removably mounted to the body strap 200. The body strap 200 comprises an inner surface 204. The inner surface 204 is configured to be placed towards or against the patent body during use of the health monitoring arrangement. The body strap 200 also comprises an outer surface 202 opposite the inner surface 204. The outer surface 202 is arranged to face away from the patent body during use of the health monitoring arrangement. In the embodiment of figure 7, the body strap 200 is configured to be adjustable in length. The body strap 200 comprises an adjustment element 210. The adjustment element 210 is arranged to adjust the length of the body strap 200. The adjustment element 210 may be any kind of adjustment element capable of adjusting the length of the body strap 200. The adjustment element may also be omitted. In some embodiments the adjustment element 210 is provided as tightening element enabling tightening body strap 200 when used by the patient. In the embodiment of figure 7, the body strap 200 is formed as a continuous loop. In the embodiment of figure 7, the body strap is made of elastic or stretchable material arranged to provide pressure to the patient body during use and pressing the chestpiece 10 against the patient skin. The body strap 200 also comprises a chestpiece holder 220 arranged to receive the chestpiece 10 and mount the chestpiece 10 to the body strap 200. The chestpiece holder 220 is arranged receive the chestpiece 10 such that the outer front surface 14 of the body 12 of the chestpiece 10 is arranged on the side of the inner surface 204 of the body strap 200 and arranged to face away from the inner surface 204 of the body strap 200. Accordingly, the outer front surface 14 of the body 12 of the chestpiece 10 is arranged towards and against the skin of the patient during use. This may be applied to all embodiments of the present invention. Preferably, the outer front surface 14 of the body 12 of the chestpiece 10 is arranged at a distance from the inner surface 204 of the body strap 200 when the chestpiece 10 is mounted to the chestpiece holder 220. This may be applied to all embodiments of the present invention. Figure 8 shows an alternative embodiment of the body strap 200. The body strap 200 comprises a first end 206 and a second end 208, the first end 206 is provided with a first connecting element 207 and the second end 208 is provided with a second connecting element 209, the first and second connecting elements 207, 209 are arranged to be detachably connected together for forming a loop. The first and second connecting elements 207, 209 may be provided a buckle. Alternatively, the first and second connecting elements 207, 209 may be arranged to provide a hook and loop attachment or the like for connecting the first and second ends 206, 208 together. Figure 9 show a further embodiment of the body strap 200. The body strap 200 comprises a stretch portion 205 made of elastic material. The stretch portion provides starching and compressing properties to the body strap 200. The features of the body strap 200 disclosed above in connection with figures 7 to 9 may be applied to any of the embodiments of the present invention. In the embodiment of figure 9, the chestpiece holder is provided as a holder opening 221 arranged to receive the chestpiece 10. The holder opening 221 is provided through the body strap 200 and extends from then inner surface 204 to the outer surface 202. The holder opening 221 comprises an opening edge 223 defining the holder opening 221. As shown in figure 10, the chestpiece 10 comprises one or more recesses 222 arranged to receive the opening edge 223 for mounting the chestpiece 10 to the holder opening 221 with form locking. The form locking is provided between the opening edge 223 and the one or more recesses 222 of the chestpiece 10. The one or more recesses 222 are provided to the outer side surface 18 of the body 12 and arranged to receive the opening edge 223 for mounting the chestpiece 10 to the holder opening 221 with form locking, as shown in figure 11. The one or more recesses 222 are provided to the outer side surface 18 at a distance from the outer front surface 14. The one or more recesses 222 are arranged to extend parallel to the outer front surface 14. Accordingly, the outer front surface 14 may be placed against the skin of the patient efficiently. Figures 12 and 13 show an alternative embodiment. The chestpiece holder is provided as a holder element 300 and arranged to receive the chestpiece 10 for mounting the chestpiece 10 to the body strap 200. In this embodiment, the holder element 300 is fixedly attached to the inner surface 204 of the body strap 200. The holder element 300 is attached to the body strap 200 with a fixing member 302. Alternatively, the holder element 300 may be attached to the body strap 200 with adhesive or the like. In the embodiment of figures 12 and 13 the holder element 300 is provided as suction cup 300. The suction cup 300 is arranged to face away from the inner surface 204 of the body strap 200. The suction cup 300 is arranged to receive the outer top surface 16 of the chestpiece 10 for mounting the chestpiece 10 to the body strap 200. Figure 12 shows the chestpiece 10 detached from the suction cup 300 and figure 13 shows the chestpiece 10 attached to the suction cup 300. The suction cup 300 is arranged to attach to the outer top surface 16 of the chestpiece 10 such that the outer top surface 16 is towards the inner surface 204 of body strap 200 and the outer front surface 14 of the chestpiece 10 facing away from the inner surface 204 of the body strap 200. The outer top surface 16 is formed smooth and uninterrupted surface such that suction cup 300 is efficiently attached to the outer top surface 16. Figures 14 to 16 show another embodiment for mounting the chestpiece 10 to the body strap 200. The chestpiece holder is provided as a holder element 310 and arranged to receive the chestpiece 10 for mounting the chestpiece 10 to the body strap 200. In this embodiment, the holder element 310 is detachably provided to the inner surface 204 of the body strap 200. The body strap 200 is provided with a first attachment element 312 and the holder element 310, 320is provided with a second attachment element 314. The first and second attachment elements 312, 314 are configured to be detachably attached together for attaching the holder element 300, 310, 320, 330 detachably to the body strap 200. The first and second attachment elements 312, 314 may be provided to form a snap fastener, or a hook and loop attachment on any other kind of mechanical attachment. The first attachment element 312 is fixed to the body strap 200 and the second attachment element 314 is fixed to the holder element 310. The holder element 310 is provided as a chestpiece receptacle 310 arranged to receive the chestpiece 10 at least partly inside the chestpiece receptacle 310. The chestpiece receptacle 310 comprises a receptacle space 316, receptacle bottom 311 and receptacle edges or claws 313, 317. As shown in figures 14 to 16, the chestpiece 10 is arranged to be placed to the chestpiece receptacle 310 and at least partly inside the receptacle space 316. The chestpiece receptacle 310 provides from locking with the chestpiece 10 for mounting or attaching the chestpiece 10 to the chestpiece receptacle 310. The chestpiece receptacle 310 is further detachably attached to the body strap 200 with the first and second attachment elements 312, 314. In some embodiments, the chestpiece 10 or the outer side surface 18 thereof is provided with the one or more recesses 222, as shown in figure 10. The receptacle edges or claws 313, 317 are arranged to be connected with the one or more recesses to provide form locking. Alternatively, the shape of the body 12 of the chestpiece 10 is shaped to provide form locking with the chestpiece receptacle 310 when the chestpiece 10 is receive in the chestpiece receptacle 310. The chestpiece receptacle 310 is arranged to receive the outer top surface 16 of the chestpiece 10 towards the bottom 311 of the chestpiece receptacle 310 such that the outer top surface 16 is towards the inner surface 204 of body strap 200 and the outer front surface 14of the chestpiece 10 facing away from the inner surface 204 of the body strap 200. As shown in figures 14 to 16 the chestpiece receptacle 310 is provided as receptacle cup. Alternative chestpiece receptacle 310 may be provided as any other kind of receptacle arranged to receive at least part of the chestpiece 10 for providing a form locking. Figures 17 and 18 show a further embodiment in which the holder element comprises a chestpiece pocket 320 or provided as chestpiece pocket 320. The chestpiece pocket 320 is provided on the inner surface 204 of the body strap 200 and arranged to receive the chestpiece 10 for mounting the chestpiece 10 to the body strap 200. The chestpiece pocket 320 comprises insertion opening or open side 324 via which the chestpiece 10 may be inserted inside the chestpiece pocket 320. The chestpiece pocket 320 is arranged to receive the chestpiece 10 such that the outer top surface 16 is towards the inner surface 204 of body strap 200 and the outer front surface 14of the chestpiece 10 facing away from the inner surface 204 of the body strap 200. The chestpiece pocket 320 comprises a pocket opening 322 open in a direction away from the inner surface 204 of the body strap 200 and arranged to receive the outer front surface 14. Accordingly, the outer front surface 14 of the chestpiece 10 is exposed via the pocket opening 322 such that the outer front surface 14 is placed against the skin of the patient. Figures 19 and 20 show another embodiment in which the holder element 330 comprises a first attachment member 330 and the chestpiece 10 comprises a second attachment member 332 provided to the chestpiece 10. The first and second attachment members 330, 332 are arranged to be attached to each other for mounting the chestpiece 10 to the body strap 200. The first attachment member 330 may form the holder element. The second attachment member 332 is provided to the outer top surface 16 of the chestpiece 10 and the first attachment member 330 is arranged to attach to the outer top surface 16 of the chestpiece 10 such that the outer top surface 16 is towards the inner surface 204 of body strap 200 and the outer front surface 14 of the chestpiece 10 facing away from the inner surface 204 of the body strap 200. The first and second attachment members 330, 332 are provided to form a mechanical attachment, such as snap attachment, hook and loop attachment or the like. Figure 21 shows a further embodiment of the body strap 200. The body strap 200 comprises the first end 206 and the second end 208. The chestpiece holder 220 is provided between the first end 206 and the second end 208. The body strap 200 further comprising a first adhesion area 230 provided between the first end 206 and the chestpiece holder 220 and a second adhesion area 232 provided between the second end 208 and the chestpiece holder 220. The first and second adhesion areas 230, 232 are provided on the inner surface 204 of the body strap 200. The first and second adhesion areas 230, 232 may be attached directly on the body of the patient for placing the outer front surface 14 of the chestpiece 10 against the skin of the patient. The chestpiece holder 220 may be according to any embodiment of the present invention. It should be noted, that any embodiment of the chestpiece holders may be utilized with any of the different body straps 200 of the present invention. The chestpiece 10 of the present invention is preferably provided without external buttons. This means the outer surfaces of the chestpiece 10 are provided buttonless. In some embodiments, the outer surfaces of the chestpiece 10 provided as uninterrupted or continuous surfaces. Accordingly, the outer surfaces of the chestpiece 10 are provided unbroken without any openings or holes into the inner space of the chestpiece. In some embodiments the outer top surface 16 and the outer side surfaces 18 are formed as uninterrupted surfaces. External buttons mean separate button provided to the outer surface of the chestpiece 10. The external buttons cause interruptions to the outer surface of the chestpiece. Thus, usually the external buttons are mechanical buttons. The external buttons are omitted in preferable embodiments of the present invention. Figures 22 and 23 show schematically an embodiment in which the body attachment element comprises an adhesive member 242 provided to the chestpiece 10. The adhesive member 242 comprises an adhesive surface 240. The adhesive surface 240 is arranged to face away from the chestpiece 10 and away from the outer front surface 14. The adhesive member 242 is arranged in connection with the outer front surface 14 for attaching the chestpiece 10 to the skin of the patient such that the outer front surface 14 is against the skin. In an alternative embodiment, the outer front surface 14 is provided with an adhesive material layer for providing the adhesive surface. Figures 24 and 25 further embodiments of the present invention. In these embodiments, the body attachment element is provided as a piece of clothing. In figure 24, the piece of clothing is a shirt 250 and in figure 25 the piece of clothing are pants. In alternative embodiments, the piece of clothing may be kind of clothing configured to place the chestpiece 10 against the skin of the patient. The piece of clothing also be a bra, ribbon, underwear or the like. The piece of clothing is preferably made of elastic material or as compression clothing for generating pressure force for pressing the chestpiece 10 against the skin of the patient. Figure 26 shows an embodiment in which the outer top surface 16 is provided a power switch or activation switch 82. The activation switch 82 comprises a proximity sensor. The proximity sensor is configured to detect human tissue or skin in close proximity of the outer top surface 16 or the chestpiece 10. The proximity sensor is configured to set the activation switch to the first switching state as a response to detecting the human tissue or skin in close proximity of the outer top surface 16 or the chestpiece 10. The proximity sensor is configured to set the activation switch to the second switching state as a response to absence of the human tissue or skin in close proximity of the outer top surface 16 or the chestpiece 10. The activation switch 82 may also be provided to the outer side surface 18. The activation switch 82 is arranged under the outer top surface16 or inside the chestpiece such that the outer surfaces of the chestpiece 10 are uninterrupted. The activation switch 82 is connected to the processing unit 40. Figures 27 and 28 show an embodiment in which the amplifier unit 70 or the amplifier component thereof is configured to adjust amplification level of the amplifier unit 70 or the amplifier component based on the movement or rotation of the chestpiece 10 detected with the movement sensor 74. The movement sensor 74 is operatively connected to the amplifier unit 70. The processing unit 40 is further configured to generate amplification instructions based on the received movement signal(s). The amplifier unit 70 is configured to receive the amplification instructions from the processing unit 40 as input and adjust the amplification level based on the received amplification instructions. Figures 27 and 28 show schematically one embodiment in which the movement sensor 74 is configured to detect rotation of the chestpiece 10, and the amplifier unit 70 is configured to adjust amplification level of the amplifier unit 70 based on the detected rotation chestpiece 10. The chestpiece 10 comprises chestpiece axis A. The chestpiece axis A is an imaginary axis. The movement sensor 74 is configured to detect rotation of the chestpiece 10 around the chestpiece axis A. The chestpiece axis A is arranged to extend perpendicularly to the outer front surface 14 of the chestpiece 10 and / or perpendicularly to the diaphragm 15 provided to the outer front surface 14. The movement sensor 74 is configured to detect rotation of the chestpiece 10 in a first rotation direction R around the chestpiece axis A. The amplifier unit 70 is configured to increase the amplification level of the amplifier unit 70 based on the detected rotation chestpiece 10 in the first rotation direction R around the chestpiece axis A. The movement sensor 74 is configured to generate a first chestpiece movement signal based on the rotation of the chestpiece 10 in the first rotation direction R around the chestpiece axis A detected with the movement sensor 74, and the amplifier unit 70 is configured to increase the amplification level of the amplifier unit 70 based on the first chestpiece movement signal. Accordingly, the first chestpiece movement signal is indicative of the rotation direction of the chestpiece 10 in the first rotation direction R. The movement sensor 74 is also configured to detect rotation of the chestpiece 10 in a second rotation direction L around the chestpiece axis A, and the amplifier unit 70 is configured to decrease the amplification level of the amplifier unit 70 based on the detected rotation chestpiece 10 in the second rotation direction L around the chestpiece axis A. The movement sensor 74 is configured to generate a second chestpiece movement signal based on the rotation of the chestpiece 10 in the second rotation direction L around the chestpiece axis A detected with the movement sensor 74, and the amplifier unit 70 is configured to decrease the amplification level of the amplifier unit 70 based on the second chestpiece movement signal. The embodiment of the figures 27 and 28 enable providing the chestpiece 10 control function without external buttons. The invention has been described above with reference to the examples shown in the figures. However, the invention is in no way restricted to the above examples but may vary within the scope of the claims.

Claims

CLAIMS 1. A health monitor arrangement, c h a r a c t e r i z e d in that the arrangement comprises: - a chestpiece (10) of an electronic health monitor, the chestpiece (10) comprising: - a body (12), - an audio chamber (20) inside the body (12) for detecting auscultated sound from a patient body, - a first microphone (32) provided in connection with the sound chamber (20) for converting the auscultated sound into an auscultated sound signal, and - a wireless communication module (42) configured to transmit the auscultated sound signal from the chestpiece (10) to an external receiver; - a body attachment element (200, 240, 250, 252) for attaching the chestpiece (10) to the patient body against skin of the patient, the body attachment element (200, 240, 250, 252) being configured to provide retaining force to the skin of the patient.

2. A health monitor arrangement according to claim 1, c h a r a c t e r i z e d in the that body attachment element (200, 240, 250, 252) is configured to direct pressure force to the chestpiece (10) for pressing the chestpiece (10) against the skin of the patient when the chestpiece (10) is attached to the patient body with the body attachment element (200, 240, , 242, 250, 252).

3. A heath monitor arrangement according to claim 1 or 2, c h a r a c t e r i z e d in that the body attachment element (200, 240, 242, 250, 252) is provided with an adhesive surface (240) configured to provide adhesive force between the chestpiece (10) and the skin of the patient when the chestpiece (10) is attached to the patient body with the body attachment element (200, 240, 250, 252).

4. A health monitor arrangement according to any one of claims 1 to 3, c h a r a c t e r i z e d in that the health monitor arrangement comprises a chestpiece holder (220, 221, 300, 310, 320, 330) arranged to receive the chestpiece (10) and mount the chestpiece (10) to the body attachment element (200, 240, 242,250, 252).

5. A health monitor arrangement according to any one of claims 1 to 4, c h a r a c t e r i z e d in that: - the body (12) of the chestpiece (10) comprises an outer front surface (14) arranged to be placed against the patient body, - the body attachment element (200, 240, 242, 250, 252) comprises an inner surface (204) arranged to be placed towards the patient body, and - the chestpiece holder (220, 221, 300, 310, 320, 330) is arranged receive the chestpiece (10) such that the outer front surface (14) of the body (12) of the chestpiece (10) is arranged on the side of the inner surface (204) of the body attachment element (200) and arranged to face away from the inner surface (204) of the body attachment element (200).

6. A health monitor arrangement according to claim 5, c h a r a c t e r i z e d in that: - the outer front surface (14) of the body (12) of the chestpiece (10) is arranged at a distance from the inner surface (204) of the body attachment element (200, 240, 242, 250, 252); or - the chestpiece (10) is arranged to protrude from the inner surface (204) of the body attachment element (200, 240, 242, 250, 252), and the outer front surface (14) of the body (12) of the chestpiece (10) is arranged at a distance from the inner surface (204) of the body attachment element (200, 240, 242, 250, 252).

7. A health monitor arrangement according to any one of claims 1 to 6, c h a r a c t e r i z e d in that the chestpiece holder (220, 221, 300, 310, 320, 330) is provided as a holder opening (221) arranged to receive the chestpiece (10), the holder opening (221) being provided through the body attachment element (200, 240, 242, 250, 252).

8. A heath monitor arrangement according to any one of claims 1 to 6, c h a r a c t e r i z e d in that the chestpiece holder (220, 221, 300, 310, 320, 330) is provided as a holder element (300, 310, 320, 330) arranged to receive the chestpiece (10) for mounting the chestpiece (10) to the body attachment element (200, 240, 242, 250, 252).

9. A heath monitor arrangement according claim 8, c h a r a c t e r i z e d in that the body attachment element (200, 240, 242, 250, 252) is provided with a first attachment element (312) and the holder element (300, 310, 320, 330) is provided with a second attachment element (314), the first and second attachment elements (312, 314) are configured to be detachably attached together for attaching the holder element (300, 310, 320, 330) detachably to the body attachment element (200, 240, 242, 250, 252).

10. A heath monitor arrangement according to any one of claims 1 to 9, c h a r a c t e r i z e d in that: - the body attachment element (200, 240, 242, 250, 252) (200) is made of elastic material configured to generate the pressure force; or - the body attachment element (200, 240, 242, 250, 252) comprises a stretch portion (205) made of elastic material configured to generate the pressure force.

11. A health monitor arrangement according to any one of claims 1 to 10, c h a r a c t e r i z e d in that the body attachment element (200, 240, 242, 250, 252) is: - a body strap (200); or - a piece of clothing (250, 252).

12. A health monitor arrangement according to claim 11, c h a r a c t e r i z e d in that: - the body strap (200) is formed as a continuous loop; or - the body strap (200) comprises a first end (206) and a second end (208), the first end (206) is provided with a first connecting element (207) and the second end (208) is provided with a second connecting element (209), the first and second connecting elements (207, 209) are arranged to be detachably connected together for arranging the body strap (200) to a loop.

13. A health monitor arrangement according to claim 11 or 12, c h a r a c t e r i z e d in that: - the body strap (200) is provided adjustable in length; or - the body strap (200) comprises an adjustment element (210), theadjustment element (210) being arranged to adjust the length of the body strap (200).

14. A health monitor arrangement according to any one of claims 11 to 13, c h a r a c t e r i z e d in that: - the body strap (200) is made of elastic or stretchable material configured to generate the pressure force; or - the body strap (200) comprises a stretch portion (205) made of elastic material configured to generate the pressure force.

15. A health monitor arrangement according to claim 12, c h a r a c t e r i z e d in that: - the piece of clothing (250, 252) is made of elastic or stretchable material configured to generate the pressure force; or - the piece of clothing (250, 252) comprises a stretch portion made of elastic material configured to generate the pressure force.

16. A health monitor arrangement according to any one of claims 3 to 16, c h a r a c t e r i z e d in that the body attachment element (200, 240, 242, 250, 252) comprises the adhesive surface (240), and that: - the adhesive surface (240) is provided to the body attachment element (200, 250, 252); or - the body attachment element (200, 240, 242, 250, 252) comprises an adhesive member (242) and the adhesive member (242) is provided to the chestpiece (10), and the adhesive surface (240) is provided to the adhesive member (242).

17. A health monitoring arrangement according to any one of claims 1 to 16, c h a r a c t e r i z e d in that the outer front surface (14) of the chestpiece (10) comprises a diaphragm (15) arranged to form a front chamber surface of the audio chamber (20).

18. A health monitoring arrangement according to any one of claims 1 to 17, c h a r a c t e r i z e d in that: - the chestpiece (10) comprises a photoplethysmography sensor (60) arranged to detect blood flow volume in the patient body; or- the outer front surface (14) of the chestpiece (10) comprises a photoplethysmography sensor (60) arranged to detect blood flow volume in the patient body.

19. A health monitoring arrangement according to any one of claims 1 to 18, c h a r a c t e r i z e d in that the chestpiece (10) comprises: - a movement sensor (74); - an accelerometer (74); or - a gyroscopic sensor (74); or - an accelerometer and a gyroscopic sensor (74).

20. A health monitoring arrangement according to any one of claims 1 to 19, c h a r a c t e r i z e d in that the body (12) of the chestpiece (10) comprises the outer front surface (14), the outer top surface (16) and the outer side surfaces (18) extending between the outer front surface (14) and the outer top surface (16), and that: - the outer top surface (16) is formed as an uninterrupted surface; or - the outer side surfaces (18) are formed as uninterrupted surfaces; or - the outer top surface (16) and the outer side surfaces (18) are formed as uninterrupted surfaces.

21. A health monitoring arrangement according to any one of claims 1 to 20, c h a r a c t e r i z e d in that the chestpiece (10) comprises an operating button (82), and that - the operating button (82) is provided with a proximity sensor configured to detect human tissue in close proximity; or - the outer top surface (16) is formed as the uninterrupted surface and the operating button (82) is provided in connection with the outer top surface (16), the operating button (82) comprises a proximity sensor configured to detect human tissue in close proximity of the outer top surface (16); or - the outer side surfaces (18) are formed as the uninterrupted surface and the operating button (82) is provided in connection with the outer side surfaces (18), the operating button (82) comprises a proximity sensor configured to detect human tissue in close proximity of the outer side surfaces (18).

22. A health monitoring arrangement according to any one of claims 1to 21, c h a r a c t e r i z e d in that the chestpiece (10) is a chestpiece (10) of an electronic stethoscope.

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