Summary of the invention
The present invention is intended to solve one of technical problem that exists in the prior art at least, has proposed a kind of physiological monitor, and it not only has bigger observation visual angle, but also can enlarged and displayed go out entire image, thereby has improved the efficient and the accuracy of medical diagnosis.
For realizing that the object of the invention provides a kind of physiological monitor; Comprise physiological signal detecting unit, physiological single processing unit, video signal processing unit and control unit; Wherein, Said physiological signal detecting unit is used to gather those who are investigated's physiological signal, and said physiological signal is sent to said physiological single processing unit; Said physiological single processing unit is used for converting said physiological signal into physiologic information, and said physiologic information is sent to said video signal processing unit; Said video signal processing unit is used for converting said physiologic information into video signal, and said physiological monitor also comprises at least one projecting cell, in order to said video signal is converted to image and throws demonstration; And said control unit is used to control the work of said physiological signal detecting unit, physiological single processing unit, video signal processing unit and projecting cell.
Wherein, the those who are investigated's that gathered of said physiological signal detecting unit physiological signal comprises at least a signal in electrocardiosignal, blood oxygen signal, blood pressure signal, pulse signal, breath signal and the body temperature signal.
Wherein, In said physiological signal detecting unit, be provided with the physiological signal acquisition module that quantity equates with the quantity of said physiological signal; Said physiological signal acquisition module is corresponding one by one with said physiological signal; In order to gathering corresponding with it physiological signal, and said physiological signal is sent to said video signal processing unit.
Wherein, In said physiological single processing unit, be provided with the physiological single processing module that quantity equates with the quantity of said physiological signal acquisition module; Said physiological single processing module is corresponding one by one with said physiological signal acquisition module; In order to receiving, and convert said physiological signal into corresponding physiologic information, then said physiologic information is sent to said video signal processing unit from the physiological signal of corresponding said physiological signal acquisition module with it.
Wherein, Physiological monitor also comprises alarm unit, in order to receiving from the unitary physiologic information of said physiological single processing, and said physiologic information and corresponding setting threshold is compared; If physiologic information surpasses corresponding setting threshold, then give the alarm to the user; The mode that said alarm unit gives the alarm to the user comprises sound, light and/or vibration; Said physiological single processing unit adopts wired or wireless transmission means to send physiologic information to said alarm unit.
Wherein, physiological monitor also comprises the projection angle regulon, in order to regulate the projection angle of said projecting cell.
Wherein, said control unit comprises the projection angle control module, and in order to send the projection angle control signal to said projection angle regulon, said projection angle regulon is regulated the projection angle of said projecting cell according to said projection angle control signal.
Wherein, physiological monitor also comprises projection tone regulon, in order to regulate the projection tone of said projecting cell.
Wherein, said control unit comprises projection tone control module, and in order to send projection tone control signal to said projection tone regulon, said projection tone regulon is regulated the projection tone of said projecting cell according to said projection tone control signal.
Wherein, said control unit adopts wired or wireless transmission means to transmit control signal to said physiological signal detecting unit, physiological single processing unit, video signal processing unit and projecting cell; Said projection angle control module adopts wired or wireless transmission means to send the projection angle control signal to said projection angle regulon; Said projection tone control module adopts wired or wireless transmission means to send projection tone control signal to said projection tone regulon.
Wherein, physiological monitor also comprises input block, is sent to said control unit in order to the reception operational order that the user imported and with said operational order.
Wherein, said input block is the touch-control display screen, and said touch-control display screen receives the operational order that the user adopts touch manner to import.
Wherein, said input block is the input control part, and said input control part comprises button, driving lever or slide key.
Wherein, said input block adopts wired or wireless transmission means to instruct to said control unit transmit operation.
Wherein, said projecting cell and said video signal processing unit adopt wired or wireless mode transmission video signal.
Preferably, said projecting cell and said video signal processing unit adopt the high-frequency wireless communication mode to communicate.
Wherein, physiological monitor also comprises housing, and said physiological signal detecting unit, physiological single processing unit and video signal processing unit are arranged at said enclosure interior,
Wherein, said projecting cell is arranged at the outside of said housing and removably is connected with said housing.
Preferably, said projecting cell is arranged at the outside and separate with said housing of said housing; And said projecting cell and said video signal processing unit adopt wireless mode transmission video signal.
Wherein, said control unit is arranged at said enclosure interior, and perhaps said control unit is arranged at said outside and separate with said housing.
Preferably, physiological monitor also comprises at least one display screen, and said display screen is used to receive from the video signal of said video signal processing unit and shows.
Wherein, Physiological monitor also comprises the first video signal matching unit; In order to will converting the video signal that is complementary with said display screen into, and will be sent to said display screen with the video signal that said display screen is complementary from the video signal of said video signal processing unit.
Wherein, physiological monitor also comprises memory element, in order to store from the video signal of the unitary physiologic information of said physiological single processing, said video signal processing unit and/or the image of said projecting cell.
Wherein, physiological monitor also comprises lead-out unit, in order to receiving physiologic information, video signal and/or the image from said memory element, and said physiologic information, video signal and/or image is exported to external equipment.
The present invention has following beneficial effect:
Physiological monitor provided by the invention is provided with at least one and is used for projecting cell that video signal is converted to image and throws demonstration; Compare with the display screen of existing physiological monitor; Projecting cell in the physiological monitor provided by the invention has the bigger display size and the observation visual angle of broad; Thereby when using physiological monitor of the present invention; Not only can guarantee many people simultaneously and clearly watch the image of the expression measurement result that shows by projecting cell, and be convenient to several medical personnel and closing the efficient of carrying out state of an illness discussion when examining and improving medical diagnosis.
In addition; Because projecting cell has bigger display size, thereby when physiological parameters such as needs enlarged and displayed electrocardiogram, physiological monitor provided by the invention can intactly demonstrate physiological parameters such as electrocardiogram; Thereby make the observer need not display frame is moved or switched the full details that just can observe physiological parameter; Thereby can grasp whole physiologic informations quickly and easily, and then bring convenience for the analysis of testing result, improve the efficient and the accuracy of medical diagnosis.
In one embodiment of the invention, in physiological monitor, also be provided with the projection angle regulon, in order to the projection angle of adjustment projecting cell.In the time can only or placing vertically the projecting cell inclination because of the restriction of ambient environmental conditions; By means of the projection angle regulon; The image maintenance level that projecting cell is projected, thus avoided because of can't the horizontal positioned projecting cell causing the problem of the image inclination that is projected.In addition; When the detected person can't look squarely projection screen because of couching; By means of the projection angle regulon, the image that projecting cell is projected is parallel with detected person's sight line, just can clearly watch measurement result thereby make the detected person need not to stand up or alter one's posture; Thereby avoided when the patient detects voluntarily, physiological monitor causes the inaccurate and problem of unstable of testing result because of the action influence that receives the detected person.
In one embodiment of the invention; Adopt wired or wireless transmission means to carry out transmission of video signals between projecting cell and the video signal processing unit; And projecting cell is arranged at the outside of housing and removably is connected with housing; This not only can make the user can regulate the projection angle of projecting cell more neatly, but also can make things convenient for the user to carry projecting cell separately, it is applied on other physiological monitor that is arranged in diverse location or occasion.And, when adopting wireless transmission method to carry out transmission of video signals between projecting cell and the video signal processing unit, can also projecting cell be arranged at the outside and separate with housing of housing.Further; Than wire transmission mode; Wireless transmission method does not receive the restriction of barriers such as length and the wall of video signal data line; Thereby pass through projecting cell and housing independently are provided with, and between projecting cell and video signal processing unit, adopting wireless transmission method to carry out transmission of video signals, the projecting cell or the video signal data line that not only can make the user need not to dismantle on the shell that is arranged on physiological monitor just can be carried into other places with it; Thereby make things convenient for the user to carry projecting cell separately; Just can use projecting cell but also can make medical personnel need not to connect the video signal data line, thereby can make the patient avoid being disturbed, or hear that the doctor does not hope diagnostic result or the analysis that makes it to hear apart from the housing of physiological monitor position far away or in other rooms.
In one embodiment of the invention, adopt the mode of high-frequency wireless communication to communicate between projecting cell and the video signal processing unit.Like this; Can make the frequency of video signal be higher than the frequency of the signal that physiological signal etc. transmits far away between other unit, thereby avoid because of the frequency of video signal and in the close problem of disturbing proper communication between other unit of frequency of the signal that transmits between other unit.
The specific embodiment
For making those skilled in the art understand technical scheme of the present invention better, come physiological monitor provided by the invention is described in detail below in conjunction with accompanying drawing.
Embodiment one
The theory diagram of the physiological monitor that Fig. 2 provides for first embodiment of the invention.See also Fig. 2, this physiological monitor comprises physiological signal detecting unit 31, physiological single processing unit 32, video signal processing unit 33, the second video signal matching unit 41, projecting cell 34, projection angle regulon 36, projection tone regulon 37, control unit 35, input block 40, memory element 38 and lead-out unit 39.Wherein, physiological signal detecting unit 31 is used to gather those who are investigated's physiological signal, and physiological signal is sent to said physiological single processing unit.Particularly, the physiological signal gathered of physiological signal detecting unit 31 can comprise such as at least a signal in the signals such as electrocardiosignal, blood oxygen signal, blood pressure signal, pulse signal, breath signal and body temperature signal.In physiological signal detecting unit 31, be provided with n the physiological signal acquisition module 311 (n is a natural number) that quantity equates with the quantity of its physiological signal of gathering; Physiological signal acquisition module 311 is corresponding one by one with the physiological signal that physiological signal detecting unit 31 is gathered; In order to gathering corresponding with it physiological signal, and this physiological signal is sent to physiological single processing unit 32.For example; If the physiological signal that physiological signal detecting unit 31 is gathered is two kinds, be respectively electrocardiosignal and blood oxygen signal, then in physiological signal detecting unit 31, be provided with two physiological signal acquisition modules accordingly; That is, ecg signal acquiring module and blood oxygen signal acquisition module.Wherein, the ecg signal acquiring module is used to gather electrocardiosignal, and this electrocardiosignal is sent to physiological single processing unit 32; Blood oxygen signal acquisition module is used to gather the blood oxygen signal, and this blood oxygen signal is sent to physiological single processing unit 32.
Physiological single processing unit 32 is used for converting physiological signal into physiologic information, and this physiologic information is sent to video signal processing unit 33.Particularly; In physiological single processing unit 32, be provided with n the physiological single processing module 321 that quantity equates with the quantity of physiological signal acquisition module 311; And physiological single processing module 321 is corresponding one by one with physiological signal acquisition module 311; In order to receive from the physiological signal of corresponding physiological signal acquisition module 311 with it; And convert corresponding physiologic information into, for example electrocardiogram, heart rate, blood oxygen saturation, body temperature or respiratory frequency etc. are sent to video signal processing unit 33 with this physiologic information then.
Video signal processing unit 33 is used to receive the physiologic information from n physiological single processing module 321, and converts it into video signal one by one, then video signal is sent to projecting cell 34; Projecting cell 34 is used for video signal is converted to image and throws demonstration.In practical application, video signal can comprise digital video signal and analog video signal.If video signal and 34 treatable video signals of projecting cell that video signal processing unit 33 is generated are complementary; Promptly be all digital video signal or be all analog video signal; Then projecting cell 34 can directly be handled the video signal from video signal processing unit 33, and throws demonstration; If video signal and 34 treatable video signals of projecting cell that video signal processing unit 33 is generated do not match; Be that the video signal that video signal processing unit 33 is generated is a digital video signal; And 34 treatable video signals of projecting cell are analog video signal; Or the video signal that video signal processing unit 33 is generated is an analog video signal; And 34 treatable video signals of projecting cell are digital video signal; Then projecting cell 34 can not directly be handled the video signal from video signal processing unit 33; Just need be provided with the second video signal matching unit 41 this moment between video signal processing unit 33 and projecting cell 34, in order to will converting analog video signal to from the digital video signal that video signal processing unit 33 is generated as required, or convert analog video signal to digital video signal; Thereby make video signal coupling, and the video signal after will mating is sent to projecting cell 34 from the video signal and the projecting cell 34 of video signal processing unit 33.
In the present embodiment, the quantity of projecting cell 34 is one, adopts wire transmission mode to carry out transmission of video signals between itself and the video signal processing unit 33.By means of projecting cell 34; Can image projection that represent measurement result be presented on the blank surfaces such as wall, blank; Thereby compare with the display screen of existing physiological monitor; Projecting cell 34 in the physiological monitor that present embodiment provides has the bigger display size and the observation visual angle of broad; Thereby when using physiological monitor of the present invention, not only can guarantee many people simultaneously and clearly watch the image of the expression measurement result that is shown by projecting cell 34, and be convenient to several medical personnel and closing the efficient of carrying out state of an illness discussion when examining and improving medical diagnosis.
In addition; Because projecting cell 34 has bigger display size, thereby when physiological parameters such as needs enlarged and displayed electrocardiogram, physiological monitor provided by the invention can intactly demonstrate physiological parameters such as electrocardiogram; Thereby make the observer need not display frame is moved or switched the full details that just can observe physiological parameter; Thereby can grasp whole physiologic informations quickly and easily, and then bring convenience for the analysis of testing result, improve the efficient and the accuracy of medical diagnosis.
In practical application, physiological single processing unit 32 can also be sent to the alarm unit (not shown) with this physiologic information.Alarm unit is used to receive the physiologic information from physiological single processing unit 32, and physiologic information and corresponding setting threshold are compared, if physiologic information surpasses corresponding setting threshold, then gives the alarm to the user.Particularly, alarm unit has the setting threshold that quantity equates with the quantity of physiological single processing module 321, and this setting threshold is corresponding one by one with physiological single processing module 321.During use, alarm unit receives the physiologic information from n physiological single processing module 321, and it is compared with corresponding setting threshold one by one.If there are one or more physiologic informations to surpass corresponding with it setting threshold in the physiologic information that compares, then alarm unit will adopt at least a mode in the modes such as sound, light and vibration to give the alarm to the user.In addition, physiological single processing unit 32 can adopt wired or wireless transmission means to send physiologic information to alarm unit.
Projection angle regulon 36 is used to regulate the projection angle of projecting cell 34.In practical application, the projection angle regulon is the rotating mechanism that is connected with projecting cell 34, and it comprises drive motors and direction adjusting part.Wherein, the direction adjusting part is connected with projecting cell 34 with the driving shaft of drive motors (for example, motor) respectively.During use, drive motor drives direction adjusting part is along clockwise or counterclockwise around its driving shaft rotation predetermined angle, moves to respective direction thereby drive projecting cell 34.Wherein, Parts capable of reversing such as the direction adjusting part comprises such as universal joint, universal wheel, cranks arm, eccentric; By means of each parts capable of reversing or its combination; Can drive projecting cell 34 to moving such as directions such as upper and lower, left and right, upper left, following, upper right or bottom rights, a left side, thus the projection angle of change projecting cell 34.In practical application; In the time can only or placing vertically projecting cell 34 inclinations because of the restriction of ambient environmental conditions; By means of projection angle regulon 36; The image maintenance level that projecting cell 34 is projected, thus avoided because of can't horizontal positioned projecting cell 34 causing the problem of the image inclination that is projected.In addition; When the detected person can't look squarely projection screen because of couching; By means of projection angle regulon 36, the image that projecting cell 34 is projected is parallel with detected person's sight line, just can clearly watch measurement result thereby make the detected person need not to stand up or alter one's posture; Thereby avoided when the patient detects voluntarily, physiological monitor causes the inaccurate and problem of unstable of testing result because of the action influence that receives the detected person.For example, the pictorial display that can projecting cell 34 be projected by projection angle regulon 36 on the ceiling in room, thereby made things convenient for the patient who couches to watch measurement result.
Projection tone regulon 37 is used to regulate the projection tone of projecting cell 34.Wherein, the projection tone of projecting cell 34 comprises the picture display effect such as brightness, saturation and contrast etc.
Control unit 35 is used for transmitting control signal to physiological signal detecting unit 31, physiological single processing unit 32, video signal processing unit 33 and projecting cell 34, to control each unitary work.And, in control unit 35, be provided with projection angle control module 351 and projection tone control module 352.Wherein, projection angle control module 351 is used for sending the projection angle control signal to projection angle regulon 36; Projection tone control module 352 is used for sending projection tone control signal to projection tone regulon 37.During use, projection angle control module 351 is sent the projection angle control signal to projection angle regulon 36, and projection angle regulon 36 is regulated the projection angle of projecting cell 34 according to this projection angle control signal; Projection tone control module 352 is sent projection tone control signal to projection tone regulon 37, and projection tone regulon 37 is regulated the projection tone of projecting cell 34 according to projection tone control signal.In practical application, control unit 35 and projection angle control module 351 can adopt wired or wireless transmission means to transmit control signal to corresponding units or module with projection tone control module 352.
Input block 40 is used to receive the operational order of user's input and sends the operational order that the user was imported with wired or wireless transmission means to control unit 35.In practical application; Input block 40 can be the input control part; It is used to receive the operational order of user's input; The projection tone etc. that said operational order for example can comprise the projection angle that primary data is set, accuracy of detection is set, opens or closes projecting cell 34, regulates projecting cell 34 and regulate projecting cell 34, and this input control part can be set to the form of control elements such as button, driving lever or slide key particularly.Certainly, input block 40 also can be the touch-control display screen, and it can receive the operational order that the user imports with the mode of operation that touches.
Memory element 38 is used to store the physiologic information that sends from physiological single processing unit 32.In practical application, memory element 38 also can be used to store from the image of projecting cell 34 and/or from the video signal of video signal processing unit 33.In addition, memory element 38 can also be sent to unit such as lead-out unit 39, projecting cell 34 according to concrete needs and with the physiologic information of being stored, image and/or video signal.
Lead-out unit 39 is used to receive physiologic information, video signal and/or the image that sends from memory element 38, and with physiologic information, video signal and/or image to export to external equipment such as printer, computer, display or mobile phone etc. such as forms such as txt, ASCII.
In the present embodiment; Can physiological signal detecting unit 31, physiological single processing unit 32, video signal processing unit 33, the second video signal matching unit 41, control unit 35, memory element 38 and lead-out unit 39 be arranged at the inside of same housing (not shown); Projecting cell 34 is arranged at the outside of this housing, and input block 40 is arranged on the outer surface of this housing to make things convenient for user's input operation instruction.In practical application; Can adopt dismountable mode to be connected between projecting cell 34 and the housing; This not only can make the user can regulate the projection angle of projecting cell 34 more neatly; But also can make things convenient for the user to carry projecting cell 34 separately, thereby it is applied on other physiological monitor that is arranged in diverse location or occasion.
Need to prove; In the present embodiment; The quantity of projecting cell 34 is one, but the present invention is not limited thereto, in practical application; The quantity of projecting cell 34 also can be for more than one, so as watch number more, watch the place big and need carry out making in the occasion such as comprehensive demonstration many people can be simultaneously and the testing result of clearly observing physiological monitor to image.When the quantity of projecting cell 34 is one when above, video signal processing unit 33 is sent to each projecting cell 34 respectively with video signal, throws demonstration simultaneously for each projecting cell 34.
Also need to prove; In the present embodiment; Projection angle regulon 36 is according to the projection angle of regulating projecting cell 34 from the projection angle control signal of projection angle control module 351; Projection tone regulon 37 is according to the projection tone of regulating projecting cell 34 from the projection tone control signal of projection tone control module 352, but the present invention is not limited thereto, in practical application; Physiological monitor can also adopt such as manual control and wait other control modes to regulate the projection angle and the projection tone of projecting cell 34; In fact, everyly the control mode that projection angle regulon 36 and projection tone regulon 37 are regulated the projection angle and the projection tone of projecting cell 34 can be controlled, protection scope of the present invention all should be regarded as.
In addition, in practical application, projection tone regulon 37 can also be regulated the projection tone of projecting cell 34 automatically according to the light situation around the projection screen.For example, can on projecting cell 34, be provided with, and in projection tone regulon 37, the light signal processing module is set such as light sensing devices such as light probes.During use, the light sensing device detects the light signal around the projection screen, and this light signal is sent to the light signal processing module; The light signal processing module is regulated the projection tone of projecting cell 34 automatically according to this light signal.
Further need to prove; Although control unit in the present embodiment 35 and input block 40 all are arranged on the inside of housing; But the present invention is not limited thereto, and in practical application, control unit 35 and/or input block 40 can also be arranged on the outside of housing.For example, when control unit 35 and input block 40 all were arranged at housing outside, input block 40 can be integrated in the equipment such as wired or wireless remote controller, panel computer, mobile phone with control unit 35 in the lump.For another example, when control unit 35 is arranged at the inside of housing, and input block 40 is when being arranged at housing outside, and input block 40 can be integrated in the equipment such as wired or wireless remote controller, panel computer, mobile phone.Control unit 35 and/or input block 40 are arranged on the outside of housing, the user can be operated in different positions, thereby carry out bringing convenience such as the therapeutic process of operation etc. to medical personnel.
Need to prove in addition; The physiological signal of gathering when physiological signal detecting unit 31 is during for more than one; It is only to demonstrate the preset pairing physiologic information of one or more physiological signals that the user can select projecting cell 34 through input block 40 and control unit 35, still demonstrates the pairing physiologic information of whole physiological signals.
Embodiment two
The theory diagram of the physiological monitor that Fig. 3 provides for second embodiment of the invention.See also Fig. 3; The physiological monitor of present embodiment is compared with first embodiment, comprises physiological signal detecting unit 31, physiological single processing unit 32, video signal processing unit 33, the second video signal matching unit 41, projecting cell 34, projection angle regulon 36, projection tone regulon 37, control unit 35, input block 40, memory element 38 and lead-out unit 39 equally.Wherein, be provided with in physiological signal detecting unit 31 that quantity equates with the quantity of its physiological signal of gathering and n physiological signal acquisition module 311 one to one; Accordingly, be provided with in physiological single processing unit 32 that quantity equates with the quantity of physiological signal acquisition module 311 and n physiological single processing module 321 one to one.Because the function of above-mentioned each unit and module and the pass between each unit or the module tie up to and have had detailed description among first embodiment, repeat no more at this.
Only the difference of the present embodiment and first embodiment is described below.Particularly, adopt wireless transmission method to carry out transmission of video signals between the projecting cell 34 of the physiological monitor of present embodiment and the video signal processing unit 33, and be provided with the display screen 44 and the first video signal matching unit 42 in addition.
Wherein, The wireless transmission method that is adopted between projecting cell 34 and the video signal processing unit 33 can be to communicate by letter such as infrared ray, bluetooth, Wi-Fi that (for example, Wi-Fi), worldwide interoperability for microwave inserts (WiMAX) and carrierfree communication wireless transmission methods such as (UWB).In practical application, can also adopt the mode of high-frequency wireless communication to communicate between projecting cell 34 and the video signal processing unit 33.Like this; Can make the frequency of video signal be higher than the frequency of the signal that physiological signal etc. transmits far away between other unit, thereby avoid because of the frequency of video signal and in the close problem of disturbing the proper communication between other unit of frequency of the signal that transmits between other unit.
In practical application; Owing to adopt wireless transmission method to carry out transmission of video signals between projecting cell 34 and the video signal processing unit 33; Thereby projecting cell 34 can be arranged at the outside and separate with housing of housing (not shown); This not only can make the user can regulate the projection angle of projecting cell 34 more neatly, but also can make things convenient for the user to carry projecting cell 34 separately, thereby it is applied on other physiological monitor that is arranged in diverse location or occasion.In addition; Than wire transmission mode; Wireless transmission method does not receive the restriction of barriers such as length and the wall of video signal data line; Thereby pass through projecting cell 34 and housing independently are provided with, and between projecting cell and video signal processing unit, adopting wireless transmission method to carry out transmission of video signals, the projecting cell 34 or the video signal data line that not only can make the user need not to dismantle on the shell that is arranged on physiological monitor just can be carried into other places with it; Thereby make things convenient for the user to carry projecting cell 34 separately; Just can use projecting cell 34 but also can make medical personnel need not to connect the video signal data line, thereby can make the patient avoid being disturbed, or hear that the doctor does not hope diagnostic result or the analysis that makes it to hear apart from the housing of physiological monitor position far away or in other rooms.
In practical application, can for projecting cell 34 power supply be set separately, so that being positioned over the position far away apart from physiological monitor with projecting cell 34, the user throws demonstration.
Display screen 44 is used to receive from the video signal of video signal processing unit 33 and shows that in the present embodiment, the quantity of display screen 44 is one.And; Because projecting cell 34 can only fast acquisition of digital video signals and can't the treatment of simulated video signal; And identical with first embodiment, there are the matching problem of video signal equally in display screen 44 in the present embodiment and the video signal transmission between the video signal processing unit 33.Particularly; If video signal and 44 treatable video signals of display screen that video signal processing unit 33 is generated are complementary; Promptly be all digital video signal or analog video signal, then display screen 44 can directly be handled the video signal from video signal processing unit 33, and shows; If video signal and 44 treatable video signals of display screen that video signal processing unit 33 is generated do not match; Be that the video signal that video signal processing unit 33 is generated is a digital video signal; And 44 treatable video signals of display screen are analog video signal; Or the video signal that video signal processing unit 33 is generated is an analog video signal; And 44 treatable video signals of display screen are digital video signal, and then display screen 44 can not directly be handled the video signal from video signal processing unit 33, and just need be provided with the first video signal matching unit 42 this moment between video signal processing unit 33 and display screen 44; In order to converting analog video signal to from the digital video signal of video signal processing unit 33; Or convert analog video signal to digital video signal, thus make video signal coupling from the video signal and the display screen 44 of video signal processing unit 33, and the video signal after will mating is sent to display screen 44.
Need to prove; In the present embodiment; The quantity of display screen 44 is one, but the present invention is not limited in this, in practical application; The quantity of display screen 44 can also be for more than one, with such as watch number more, watch the place big and image carried out satisfy the many demands that can clearly observe testing result per capita in the occasion such as comprehensive demonstration.And when the quantity of display screen 44 is one when above, video signal processing unit 33 is sent to each display screen 44 respectively with video signal, shows simultaneously for each display screen 44.
In sum; Physiological monitor provided by the invention is provided with at least one and is used for projecting cell that video signal is converted to image and throws demonstration; Compare with the display screen of existing physiological monitor; Projecting cell in the physiological monitor provided by the invention has the bigger display size and the observation visual angle of broad; Thereby when using physiological monitor of the present invention, not only can guarantee many people simultaneously and clearly watch the image of the expression measurement result that shows by projecting cell, and be convenient to several medical personnel and closing the efficient of carrying out state of an illness discussion when examining and improving medical diagnosis.In addition; Because projecting cell has bigger display size, thereby when physiological parameters such as needs enlarged and displayed electrocardiogram, physiological monitor provided by the invention can intactly demonstrate physiological parameters such as electrocardiogram; Thereby make the observer need not display frame is moved or switched the full details that just can observe physiological parameter; Thereby can grasp whole physiologic informations quickly and easily, and then bring convenience for the analysis of testing result, improve the efficient and the accuracy of medical diagnosis.
It is understandable that above embodiment only is the illustrative embodiments that adopts for principle of the present invention is described, yet the present invention is not limited thereto.For the one of ordinary skilled in the art, under the situation that does not break away from spirit of the present invention and essence, can make various modification and improvement, these modification also are regarded as protection scope of the present invention with improving.