WO2021002217A1 - 表示装置、表示方法、及び、超音波診断システム - Google Patents
表示装置、表示方法、及び、超音波診断システム Download PDFInfo
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- WO2021002217A1 WO2021002217A1 PCT/JP2020/024061 JP2020024061W WO2021002217A1 WO 2021002217 A1 WO2021002217 A1 WO 2021002217A1 JP 2020024061 W JP2020024061 W JP 2020024061W WO 2021002217 A1 WO2021002217 A1 WO 2021002217A1
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- display device
- display panel
- vibration
- ultrasonic diagnostic
- display
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/461—Displaying means of special interest
- A61B8/462—Displaying means of special interest characterised by constructional features of the display
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/02—Measuring pulse or heart rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
- A61B8/0866—Clinical applications involving foetal diagnosis; pre-natal or peri-natal diagnosis of the baby
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
- A61B8/0883—Clinical applications for diagnosis of the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4427—Device being portable or laptop-like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4472—Wireless probes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/461—Displaying means of special interest
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
- A61B8/546—Control of the diagnostic device involving monitoring or regulation of device temperature
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4405—Device being mounted on a trolley
Definitions
- the present technology relates to display devices, display methods, and ultrasonic diagnostic systems, and in particular, for example, display devices, display methods, and ultrasonic diagnostic systems that enable the provision of realistic ultrasonic diagnostic results. Regarding.
- This technology was made in view of such a situation, and makes it possible to provide realistic ultrasonic diagnostic results.
- the display device of the present technology is a display panel that displays an image corresponding to an image signal obtained from the output signal of the ultrasonic diagnostic apparatus, and an actuator arranged on the back surface side of the display panel, which is obtained from the output signal. It is a display device including an actuator that outputs an auditory sensed sound and a tactilely sensed vibration by vibrating the display panel in response to an acoustic vibration signal.
- an image corresponding to an image signal obtained from an output signal of an ultrasonic diagnostic apparatus is displayed on a display panel, and an actuator arranged on the back surface side of the display panel is used to obtain the image from the output signal.
- This is a display method in which the display panel is vibrated in response to an acoustic vibration signal to output the auditory sensed sound and the tactilely sensed vibration.
- the ultrasonic diagnostic system of the present technology emits ultrasonic waves, receives the reflected waves of the ultrasonic waves, outputs a reflected signal corresponding to the reflected waves, and performs signal processing of the reflected signals.
- the ultrasonic diagnostic apparatus for generating an output signal and the display device are provided, and the display apparatus includes a display panel for displaying an image corresponding to an image signal obtained from the output signal of the ultrasonic diagnostic apparatus, and the display device. It is an actuator arranged on the back surface side of the display panel, and by vibrating the display panel in response to an acoustic vibration signal obtained from the output signal, the display panel is audibly sensed by sound and tactilely. It is an ultrasonic diagnostic system having an actuator that outputs the detected vibration.
- an image corresponding to the image signal obtained from the output signal of the ultrasonic diagnostic device is displayed on the display panel.
- the actuator arranged on the back surface side of the display panel vibrates the display panel in response to the acoustic vibration signal obtained from the output signal, whereby the sound perceived by hearing in the display panel and the sound sensed by the auditory sense in the display panel The vibration sensed by the sense of touch is output.
- FIG. 1 is a perspective view showing an example of an external configuration of an embodiment of an ultrasonic diagnostic system to which the present technology is applied.
- the ultrasonic diagnostic system 10 is, for example, a medical ultrasonic diagnostic system for examining a person, and has an ultrasonic diagnostic device 11 and a display device 12. It should be noted that this technology can be applied to an ultrasonic diagnostic system that targets living organisms other than humans, buildings and other non-living organisms.
- the ultrasonic diagnostic apparatus 11 has a (ultrasonic) probe 21 and the like, and emits ultrasonic waves from the probe 21. Further, the ultrasonic diagnostic apparatus 11 receives the reflected wave of the ultrasonic wave reflected and returned by the inspection target by the probe 21, and performs signal processing of the reflected signal as an electric signal corresponding to the reflected wave. , Generates and outputs an inspection output signal that includes information inside the inspection target.
- the inspection output signal includes, for example, an image signal of an image showing the inside of the inspection target, an acoustic signal of the sound inside the inspection target, and the like.
- the display device 12 receives the inspection output signal output by the ultrasonic diagnostic apparatus 11, displays an image perceived by (human) vision according to the inspection output signal, and sounds perceived by hearing. Output. Further, the display device 12 outputs the vibration sensed by the sense of touch.
- a method of outputting sound in the ultrasonic diagnostic system 10 for example, there are first, second, and third acoustic output methods.
- the first acoustic output method is a method in which an acoustic output mechanism such as a speaker that outputs acoustics is provided separately from the display device 12.
- the second sound output method is a method in which a speaker is provided on the back surface (back surface) of the display device 12 so as to output sound on the back side of the display device 12, and the sound is output from the speaker.
- the third sound output method is a method in which a speaker is provided on the bezel of the display device 12 and sound is output from the speaker.
- the acoustic output mechanism is provided separately from the display device 12, the volume of the entire ultrasonic diagnostic system 10 becomes large. Therefore, the space required for installing the ultrasonic diagnostic system 10 becomes large, and the place where the ultrasonic diagnostic system 10 is installed may be limited.
- the speaker since the speaker is provided so as to output the sound on the back side of the display device 12, the volume becomes low and the sound may be difficult to hear.
- a hole may be formed in the part of the bezel where the speaker is provided so that the sound can be heard clearly.
- the surface of the display device 12 (the display surface (front surface) on which the image is displayed) becomes dirty, particularly, for example, with a gel applied to the probe 21. Often dirty. Therefore, with respect to the surface of the display device 12, cleanability (easiness of cleaning) is emphasized.
- the cleanability of the display device 12 deteriorates. Further, the adhesion of dirt to the holes formed in the bezel causes a failure of the display device 12. Further, when the speaker is provided on the bezel, it is necessary to secure a certain area or more of the bezel, and the area of the surface of the display device 12 increases. In this case, the space required for installing the ultrasonic diagnostic system 10 becomes large, and the place where the ultrasonic diagnostic system 10 is installed may be limited.
- the display device 12 outputs sound by a method other than the first to third sound output methods. Further, as described above, the display device 12 displays the image and outputs the acoustically sensed sound and the tactilely sensed vibration to provide a realistic ultrasonic diagnosis result. Will be done.
- FIG. 2 is a block diagram showing a configuration example of the ultrasonic diagnostic apparatus 11 of FIG.
- the ultrasonic diagnostic apparatus 11 includes a probe 21, a transmission circuit 22, a reception circuit 23, a B mode processing circuit 24, a Doppler processing circuit 25, a signal processing unit 26, and a storage unit 27.
- the probe 21 radiates ultrasonic waves to the inspection target and receives the reflected signal of the ultrasonic waves reflected by the inspection target.
- the probe 21 has a plurality of ultrasonic vibrators (not shown) such as piezoelectric vibrators.
- the plurality of ultrasonic vibrators generate ultrasonic waves in response to a drive signal supplied from the transmission circuit 22.
- the probe 21 transmits beam-shaped ultrasonic waves into the body to be inspected by focusing ultrasonic waves generated from a plurality of ultrasonic vibrators. Further, the probe 21 receives the reflected wave of the ultrasonic wave reflected by the inspection target, converts it into a reflected signal as an electric signal, and supplies it to the receiving circuit 23.
- the transmission circuit 22 has a trigger generation circuit, a transmission delay circuit, a pulsar circuit (not shown), and the like, and supplies a drive signal to the probe 21.
- the pulsar circuit repeatedly generates rate pulses for forming ultrasonic waves at a predetermined frequency.
- the transmission delay circuit sets the delay time for each ultrasonic oscillator required to focus the ultrasonic waves generated from the probe 21 in a beam shape and determine the transmission directivity for each rate pulse generated by the pulser circuit. Give.
- the trigger generation circuit applies a drive signal to the probe 21 at a timing based on the rate pulse.
- the transmission direction from the ultrasonic oscillator surface can be arbitrarily adjusted by changing the delay time given to each rate pulse in the transmission delay circuit.
- the receiving circuit 23 includes an amplifier circuit, an A / D (Analog to Digital) converter, an adder (not shown), and the like.
- the receiving circuit 23 performs various processing on the reflected signal from the probe 21 to generate reflection data, and supplies the reflected data to the B mode processing circuit 24, the Doppler processing circuit 25, and the signal processing unit 26.
- the amplifier circuit amplifies the reflected signal for each channel and performs gain correction processing.
- the adder performs addition processing of the reflected signal processed by the A / D converter to generate reflection data. The addition process of the adder emphasizes the reflection component from the direction corresponding to the reception directivity of the reflected signal.
- the B-mode processing circuit 24 performs logarithmic amplification, envelope detection processing, and the like on the reflected data from the receiving circuit 23 to generate B-mode data in which the signal strength is expressed by the brightness of the brightness, and the signal processing unit. Supply to 26.
- the Doppler processing circuit 25 performs frequency analysis of the reflection data from the receiving circuit 23, extracts blood flow, tissue, and contrast agent echo components due to the Doppler effect, and obtains moving body information such as average velocity, dispersion, and power at multiple points.
- the extracted Doppler data is generated and supplied to the signal processing unit 26.
- the signal processing unit 26 generates an inspection output signal including an image and an acoustic signal inside the inspection target according to the reflected wave reflected by the inspection target.
- the signal processing unit 26 generates an image signal (B mode image signal) in which the intensity of the reflected wave from the inspection target is represented by the brightness from the B mode data from the B mode processing circuit 24.
- the signal processing unit 26 generates an image signal (color Doppler image signal) of an average velocity image, a distributed image, a power image, or an image obtained by combining these from the Doppler data from the Doppler processing circuit 25. To do.
- the signal processing unit 26 generates an acoustic signal of the internal acoustics to be inspected from the reflection data from the receiving circuit 23.
- the signal processing unit 26 outputs a signal including the above-mentioned image signal and acoustic signal.
- the signal output by the signal processing unit 26 is supplied to the storage unit 27, output as an inspection output signal output by the ultrasonic diagnostic apparatus 11 to the outside, and supplied to the display device 12 connected to the ultrasonic diagnostic apparatus 11. Will be done.
- the storage unit 27 stores the signal from the signal processing unit 26. In addition, the storage unit 27 stores data such as various parameters required for signal processing of the signal processing unit 26.
- FIG. 3 is a block diagram showing an example of an electrical configuration of the display device 12 of FIG.
- the display device 12 has a signal processing unit 31, one or more actuators 32, and a display panel 33.
- the inspection output signal output by the ultrasonic diagnostic apparatus 11 is supplied to the signal processing unit 31.
- the signal processing unit 31 can output an image signal capable of displaying an image on the display panel 33, and an acoustic sound and vibration that can be perceived by a person by driving the actuator 32. Obtain a vibration signal.
- the image signal is supplied from the signal processing unit 31 to the display panel 33, and the acoustic vibration signal is supplied from the signal processing unit 31 to the actuator 32.
- the signal processing unit 31 extracts the image signal included in the inspection output signal and supplies it to the display panel 33.
- the signal processing unit 31 extracts an acoustic signal included in the inspection output signal. Further, for example, the signal processing unit 31 performs image processing or the like using the image signal included in the inspection output signal, so that the inside of the inspection target (for example, an organ, a fetus, etc.) displayed in the image corresponding to the image signal is displayed.
- the acoustic signal is processed so as to recognize the movement of (blood flow, etc.) and generate a vibration that expresses the movement.
- the signal processing unit 31 supplies the processed acoustic signal to the actuator 32 as an acoustic vibration signal for outputting sound and vibration.
- filtering with a bandpass filter For processing the acoustic signal, filtering with a bandpass filter can be adopted. By filtering (equalizing) the acoustic signal with a bandpass filter and emphasizing a specific frequency band, the frequency of vibration output by driving the actuator 32 can be controlled.
- the actuator 32 is arranged on the back surface of the display panel 33.
- the actuator 32 outputs the sound and vibration corresponding to the acoustic vibration signal from the signal processing unit 31 to the display panel 33.
- the actuator 32 is driven in response to the acoustic vibration signal from the signal processing unit 31 to vibrate the display panel 33.
- the actuator 32 causes the display panel 33 to output an acoustically sensed sound and a tactilely sensed vibration.
- the display panel 33 is a plate-shaped display panel, and displays an image corresponding to an image signal from the signal processing unit 31. Further, the display panel 33 vibrates in response to the drive of the actuator 32, and outputs the acoustically sensed sound and the tactilely sensed vibration.
- the sound output from the display panel 33 can be performed by, for example, a technique called an acoustic surface that uses the display panel as the diaphragm of the flat panel speaker.
- an OLED (Organic Light Emitting Diode) panel or a liquid crystal panel can be adopted.
- a reflective display panel used in so-called electronic paper can be adopted.
- FIG. 4 is a perspective view showing an outline of an external configuration example of the display device 12 of FIG.
- the actuator 32 is arranged so as to come into contact with the back surface (back surface) of the plate-shaped display panel 33.
- the display panel 33 is vibrated by the actuator 32 to output sound to the display panel 33, it is not necessary to provide a separate speaker, and the display device 12 has no holes formed in the bezel on the surface. It can be configured into a flat structure.
- the display device 12 As described above, an image corresponding to the image signal obtained from the inspection output signal, for example, an image showing the inside of the inspection target is displayed. At the same time, the display device 12 outputs the sound and vibration corresponding to the acoustic vibration signal obtained from the inspection output signal, for example, the sound inside the inspection target and the vibration expressing the movement inside the inspection target.
- the display device 12 simultaneously outputs images, sounds, and vibrations from the screen.
- the user touches the screen of the display device 12 while looking at the image of the inside of the inspection target and listening to the sound generated inside the inspection target, thereby expressing the internal movement of the inspection target. Can be felt.
- the display device 12 it is possible to provide realistic ultrasonic diagnostic results that are simultaneously perceived by sight, hearing, and touch.
- the ultrasonic diagnosis is performed for a person who is a living body.
- the display device 12 displays an image of the living body to be inspected, for example, an image showing an organ in the living body, a foetation, or the like. Further, the display device 12 outputs sounds related to the living body to be inspected, for example, sounds such as biological sounds (beats, etc.) and pulses of organs in the living body. Further, the display device 12 outputs vibrations related to the living body to be inspected, for example, vibrations such as movements of organs in the living body and pulse.
- the display device 12 can display an image showing a foetation in a pregnant woman, for example, a 3D (Dimension) moving image (three-dimensional moving image).
- the display device 12 can output the beating sound of the foetation and the vibration of the beating of the foetation.
- the pregnant woman who is the subject can see the foetation from the image displayed on the display device 12.
- the pregnant woman can hear the beating sound of the foetation from the area where the foetation is reflected on the display device 12.
- the pregnant woman can feel the vibration of the beating of the foetation by touching the screen of the display device 12.
- the entertainment of ultrasonic diagnosis for pregnant women can be improved by displaying the fetal video and outputting the fetal beating sound as well as the fetal beating vibration.
- the display device 12 can display an image showing the organ of the patient, and at the same time, can output the biological sound of the organ and the vibration such as the movement of the organ.
- the patient, the operator who operates the ultrasonic diagnostic system 10, and the like can observe the organ from the image displayed on the display device 12. Further, the patient, the operator, and the like can hear the biological sound of the organ from the area where the organ of the display device 12 is displayed. Then, the patient, the operator, or the like can feel the vibration such as the movement of the organ by touching the screen of the display device 12.
- the vibration output from the display device 12 for example, a vibration having a periodicity that expresses a pulse, an organ movement, or the like (heartbeat, etc.) can be adopted. Further, as the vibration output from the display device 12, a vibration easily perceived by a human being, for example, a vibration having a frequency (frequency) in the range of 20 Hz to 1000 Hz can be adopted. Further, the display device 12 can display the blood flow in different colors depending on, for example, the direction of the blood flow.
- two actuators 32 are provided on the back surface of the display panel 33, but the number of actuators 32 provided on the display panel 33 is not limited to two, and one actuator 32 is provided. Or 3 or more can be adopted.
- the actuator 32 is provided at a position shifted to the left and a position shifted to the right from the center on the back surface of the display panel 33, but the position where the actuator 32 is provided on the display panel 33 is also shown in FIG. It is not limited to the position shown in 4.
- FIG. 5 is a side view showing a configuration example of the side surface of the display device 12.
- the display device 12 includes a signal processing unit 31, an actuator 32, and a display panel 33.
- the signal processing unit 31 and the actuator 32 are arranged on the back surface of the display panel 33.
- the display panel 33 displays an image corresponding to the image signal supplied from the signal processing unit 31, but also functions as a diaphragm vibrated by the actuator 32.
- FIG. 6 is a rear view showing a configuration example of the back surface of the display device 12.
- the signal processing unit 31 is arranged in the center of the back surface of the display panel 33, for example.
- the actuator 32 is arranged, for example, at a position shifted to the left and a position shifted to the right from the center on the back surface of the display panel 33.
- FIG. 7 is a cross-sectional view showing a configuration example of a cross section of the display device 12 of FIG. 6 along the line AA.
- FIG. 7 shows a configuration example of a cross section of the display device 12 without the actuator 32.
- the display panel 33 of the display device 12 has, for example, a plate-shaped display cell 111 and an inner plate 112 (opposing plate) arranged to face the display cell 111 via a gap 115.
- the display cell 111 displays an image corresponding to the image signal and functions as a diaphragm.
- the display panel 33 further has, for example, a glass substrate 113 arranged in contact with the back surface of the inner plate 112, and a fixing member 114 arranged between the display cell 111 and the inner plate 112.
- the fixing member 114 has a function of fixing the display cell 111 and the inner plate 112 to each other and a function of a spacer for maintaining the gap 115.
- the fixing member 114 is arranged, for example, along the outer edge of the display cell 111.
- the fixing member 114 is composed of, for example, a cushioning layer such as a sponge having adhesive layers on both sides.
- the inner plate 112 is a substrate that supports the actuator 32.
- the glass substrate 113 has a higher rigidity than the inner plate 112, and has a role of suppressing bending of the inner plate 112.
- FIG. 8 is a cross-sectional view showing a configuration example of a cross section of the display device 12 of FIG. 6 along the line BB.
- FIG. 8 shows a configuration example of a cross section of the portion of the display device 12 where the actuator 32 is provided.
- the actuator 32 has, for example, a voice coil, a bobbin around which the voice coil is wound, and a magnetic circuit (none of which is shown).
- a driving force is generated in the voice coil according to the principle of electromagnetic action.
- the vibration due to this driving force is transmitted to the display cell 111, and the display cell 111 vibrates.
- the display cell 111 vibrates in response to the acoustic vibration signal when a current corresponding to the acoustic vibration signal flows through the voice coil of the actuator 32.
- the inner plate 112 has an opening at a position where the actuator 32 is installed, and has a convex portion 112A for supporting the fixing portion 123 around the opening.
- the convex portion 112A projects to the side opposite to the display cell 111.
- the glass substrate 113 has an opening at a position facing the convex portion 112A.
- the opening provided in the glass substrate 113 has a size capable of inserting the convex portion 112A and the actuator 32.
- the fixing portion 123 has an opening 123a for fixing the actuator 32 in a state of being inserted.
- the fixing portion 123 further has a plurality of screw holes 123b through which screws used for fixing the fixing portion 123 to the convex portion 112A are inserted.
- the actuator 32 is fixed to the inner plate 112 via the fixing portion 123.
- the vibration transmission member 124 is in contact with, for example, the back surface of the display cell 111 and the bobbin of the actuator 32, and is fixed to the back surface of the display cell 111 and the bobbin of the actuator 32.
- the vibration transmission member 124 transmits the vibration generated by the driving force generated in the voice coil of the actuator 32 to the display cell 111.
- the vibration transmitting member 124 is made of, for example, a thermosetting resin, double-sided tape, low-resilience urethane, or the like.
- FIG. 9 is a perspective view showing an outline of another external configuration example of the display device 12 of FIG.
- the display device 12 of FIG. 9 is different from the case of FIG. 4 which does not have the sheet type heater 211 in that the sheet type heater 211 is newly provided.
- a thin sheet type heater 211 is provided on the back surface of the display panel 33 (display cell 111).
- the sheet type heater 211 generates heat under the control of the signal processing unit 31, for example, and thereby functions as a temperature control unit that adjusts the temperature of the display panel 33.
- the display panel 33 is touched. If the display panel 33 feels cold at that time, it may give an inorganic impression.
- the temperature of the surface (front surface) of the display panel 33 can be raised by the sheet type heater 211.
- a change in temperature of +3 degrees to +5 degrees can make a person feel a living body. Therefore, in the sheet type heater 211, the temperature of the display panel 33 can be increased by +3 degrees to +5 degrees (for example, from the current temperature of the display panel 33 or the ambient air temperature).
- the pregnant woman who touches the display panel 33 on which the moving image of the foetation is displayed feels as if she is actually touching the foetation. Can be made to.
- the sheet type heater 211 is provided on the entire back surface of the display panel 33, but the sheet type heater 211 can be provided only on a part of the back surface of the display panel 33.
- FIG. 10 is a perspective view showing an outline of still another external configuration example of the display device 12 of FIG.
- the two actuators 32 are on the back surface of the display panel 33 in that more than two actuators 32 are scattered on the two-dimensional plane as the back surface of the display panel 33. In addition, it is different from the case of FIG. 4 arranged on a straight line.
- 12 actuators 32 are arranged in a grid pattern on the back surface of the display panel 33.
- the display panel 33 can be divided into small areas centered on the position of the actuator 32, and the strength of vibration can be controlled for each small area.
- the strength of vibration for each small region can be controlled by adjusting (controlling) the acoustic vibration signal supplied from the signal processing unit 31 to the actuator 32 located at the center of each small region.
- the strength of sound and vibration can be changed for each small area.
- the heart Vibrations can be output separately for the right atrium, right ventricle, left ventricle, and left ventricle.
- FIG. 11 is a block diagram showing another electrical configuration example of the display device 12 of FIG.
- the display device 12 includes a signal processing unit 31, a display panel 33, and a communication unit 221.
- the display device 12 of FIG. 11 is different from the case of FIG. 3 in that it has the signal processing unit 31 to the display panel 33 and is common to the case of FIG. 3 and is newly provided with the communication unit 221. To do.
- the communication unit 221 performs wireless communication with an external device, for example, an ultrasonic diagnostic apparatus 11 or another display device configured in the same manner as the display device 12.
- an external device for example, an ultrasonic diagnostic apparatus 11 or another display device configured in the same manner as the display device 12.
- the communication unit 221 can receive, for example, an inspection output signal wirelessly transmitted from the ultrasonic diagnostic apparatus 11 or another display device and supply it to the signal processing unit 31.
- the communication unit 221 can be supplied with the inspection output signal from the ultrasonic diagnostic apparatus 11 from the signal processing unit 31.
- the communication unit 221 can wirelessly transmit the inspection output signal from the signal processing unit 31 to another display device.
- the image, sound, and vibration are simultaneously generated according to the inspection output signal (directly) supplied from the ultrasonic diagnostic device 11 to the signal processing unit 31 as in the case of FIG.
- the image, sound, and vibration can be simultaneously output according to the inspection output signal transmitted from another display device and supplied to the signal processing unit 31.
- FIG. 12 is a block diagram showing a configuration example of another embodiment of the ultrasonic diagnostic system to which the present technology is applied.
- the ultrasonic diagnostic system 250 includes an ultrasonic diagnostic device 11 and display devices 12 and 13.
- the ultrasonic diagnostic system 250 of FIG. 12 is common to the ultrasonic diagnostic system 10 of FIG. 1 in that it has the ultrasonic diagnostic device 11 and the display device 12.
- the ultrasonic diagnostic system 250 is different from the ultrasonic diagnostic system 10 in that a display device (another display device) 13 different from the display device 12 is newly provided.
- the display devices 12 and 13 are configured as shown in FIG. 11 and have a function of exchanging inspection output signals by wireless communication.
- the display device 13 is configured to be portable like a tablet, for example.
- the display device 12 outputs images, sounds, and vibrations in response to the inspection output signal from the ultrasonic diagnostic device 11.
- the display device 12 becomes the master unit
- the portable display device 13 becomes the slave unit
- the display device 12 as the master unit serves as an inspection output from the ultrasonic diagnostic apparatus 11.
- the signal is transmitted to the display device 13 as a slave unit by wireless communication.
- the display device 13 receives the inspection output signal from the display device 12, and outputs images, sounds, and vibrations in response to the inspection output signal, similarly to the display device 12.
- the inspection output signals are shared by the display devices 12 and 13, and similar images, sounds, and vibrations are output according to the inspection output signals.
- the ultrasonic diagnostic system 250 when the display device 12 is housed in a rack or the like together with the ultrasonic diagnostic device 11, for example, when the pregnant woman to be inspected is undergoing ultrasonic diagnosis. In addition, it may be difficult to touch the display device 12 on which the image of the foetation is displayed.
- the portable display device 13 if the portable display device 13 is given to the pregnant woman, the pregnant woman can touch the display device 13 while receiving the ultrasonic diagnosis, and can feel the vibration at the same time as viewing the image and sound.
- the display device 13 can be directly supplied with an inspection output signal from the ultrasonic diagnostic device 11.
- the specifications of the ultrasonic diagnostic device 11 are changed so that the inspection output signal can be supplied from the ultrasonic diagnostic device 11 not only to the display device 12 but also to both the display devices 12 and 13. There is a need.
- the inspection output signal supplied from the ultrasonic diagnostic device 11 is transmitted from the display device 12 to the display device 13, the specifications of the ultrasonic diagnostic device 11 do not need to be changed.
- one display device 13 is provided as a slave unit, but as the slave unit, a plurality of display devices configured in the same manner as the display device 13 can be provided.
- the family of the subject can also feel the vibration at the same time as viewing the image and sound by using the display device configured in the same manner as the display device 13.
- the plate-shaped display panel 33 displays an image corresponding to the image signal obtained from the inspection output signal of the ultrasonic diagnostic device 11, and is arranged on the back surface side of the display panel 33.
- the actuator 32 causes the display panel 33 to output the sound sensed by hearing and the vibration sensed by touch. Therefore, it is possible to provide realistic ultrasonic diagnostic results.
- the display device 12 can output the vibration of the fetal heartbeat at the same time as displaying the image showing the foetation in the pregnant woman and outputting the fetal heartbeat sound.
- the pregnant woman can feel the vibration of the foetation's heartbeat by touching the screen of the display device 12 while viewing the image of the foetation and the heartbeat sound of the foetation. Therefore, the pregnant woman can enjoy a realistic sensation as if she were actually touching the foetation.
- the bezel of the display device 12 can be reduced and the space of the entire display device 12 can be saved.
- the display device 12 since the sound is output by vibrating the display panel by the actuator 32, it is not necessary to make a hole in the bezel for providing the speaker. Therefore, the display device 12 (the surface of the display device 12) can be configured to be flat, and the cleanability can be improved.
- the sound is output toward the front (surface) side of the display panel 33 due to the vibration of the display panel 33. Therefore, the sound can be heard clearly as compared with the case where the speaker is provided so as to output the sound on the back side of the display device 12.
- vibration can be felt at the same time as viewing the image and sound, so that the accuracy of the information that can be recognized from the image, sound, and vibration is improved, and the accuracy of the information that can be recognized from the vibration is improved. It can lead to improvement of the accuracy of diagnosis and treatment based on ultrasonic diagnosis.
- the temperature of the display panel 33 is raised by about 3 to 5 degrees to give a strong sense of living body, whereby the image displayed on the display panel 33 and the output from the display panel 33 are output. It is possible to make a pregnant woman or the like who feels the vibration output from the display panel 33 feel the reality while listening to the sound.
- the display devices 12 and 13 are provided with a function of exchanging inspection output signals by wireless communication, and the display device 13 is configured to be portable like a tablet.
- vibration can be felt at the same time as viewing the image and sound by using the display device 13 even at a position away from the ultrasonic diagnostic device 11.
- the living body of the predetermined organ can be seen from the area where the predetermined organ of the display panel 33 is projected. It is possible to output sound and vibration such as the movement of a predetermined organ.
- the series of processing of the signal processing unit 31 can be performed by hardware or software.
- the programs constituting the software are installed in a microcomputer or the like.
- FIG. 13 is a block diagram showing a configuration example of an embodiment of a computer in which a program for executing the above-mentioned series of processes is installed.
- the program can be recorded in advance on the hard disk 905 or ROM 903 as a recording medium built in the computer.
- the program can be stored (recorded) in the removable recording medium 911 driven by the drive 909.
- a removable recording medium 911 can be provided as so-called package software.
- examples of the removable recording medium 911 include a flexible disk, a CD-ROM (Compact Disc Read Only Memory), an MO (Magneto Optical) disk, a DVD (Digital Versatile Disc), a magnetic disk, a semiconductor memory, and the like.
- the program can be downloaded to the computer via a communication network or a broadcasting network and installed on the built-in hard disk 905. That is, for example, the program transfers wirelessly from a download site to a computer via an artificial satellite for digital satellite broadcasting, or transfers to a computer by wire via a network such as LAN (Local Area Network) or the Internet. be able to.
- LAN Local Area Network
- the computer has a built-in CPU (Central Processing Unit) 902, and the input / output interface 910 is connected to the CPU 902 via the bus 901.
- CPU Central Processing Unit
- the CPU 902 executes a program stored in the ROM (Read Only Memory) 903 accordingly. .. Alternatively, the CPU 902 loads the program stored in the hard disk 905 into the RAM (Random Access Memory) 904 and executes it.
- ROM Read Only Memory
- the CPU 902 performs processing according to the above-mentioned flowchart or processing performed according to the above-mentioned block diagram configuration. Then, the CPU 902 outputs the processing result from the output unit 906 or transmits it from the communication unit 908, and further records it on the hard disk 905, if necessary, via the input / output interface 910.
- the input unit 907 functions as an interface for inputting data from the outside.
- the output unit 906 functions as an interface for outputting data to the outside.
- the system means a set of a plurality of components (devices, modules (parts), etc.), and it does not matter whether all the components are in the same housing. Therefore, a plurality of devices housed in separate housings and connected via a network, and a device in which a plurality of modules are housed in one housing are both systems. ..
- a display panel that displays an image corresponding to the image signal obtained from the output signal of the ultrasonic diagnostic equipment, and An actuator arranged on the back surface side of the display panel. By vibrating the display panel in response to an acoustic vibration signal obtained from the output signal, the display panel has an acoustically perceived sound and a tactile sensation.
- ⁇ 4> The display device according to any one of ⁇ 1> to ⁇ 3>, wherein the vibration is a vibration related to a living body.
- ⁇ 5> The display device according to any one of ⁇ 1> to ⁇ 4>, wherein the vibration is a vibration having periodicity.
- ⁇ 6> The display device according to any one of ⁇ 1> to ⁇ 5>, wherein the vibration is a vibration having a frequency in the range of 20 Hz to 1000 Hz.
- ⁇ 7> The display device according to any one of ⁇ 1> to ⁇ 6>, further comprising a temperature control unit for adjusting the temperature of the display panel.
- ⁇ 8> The display device according to any one of ⁇ 1> to ⁇ 7>, further comprising a communication unit that transmits the output signal to another display device.
- the display device according to any one of ⁇ 1> to ⁇ 8> which is an OLED (Organic Light Emitting Diode) panel or a liquid crystal panel.
- the display device according to any one of ⁇ 1> to ⁇ 8> which is a reflective display panel.
- An image corresponding to the image signal obtained from the output signal of the ultrasonic diagnostic apparatus is displayed on the display panel, and the image is displayed.
- the display panel By vibrating the display panel in response to an acoustic vibration signal obtained from the output signal by an actuator arranged on the back surface side of the display panel, the display panel senses the sound perceived by hearing and the sense of touch.
- a display method that outputs the vibrations that are generated.
- An ultrasonic probe that emits ultrasonic waves, receives the reflected waves of the ultrasonic waves, and outputs a reflected signal corresponding to the reflected waves.
- An ultrasonic diagnostic apparatus that generates an output signal by performing signal processing of the reflected signal. Equipped with a display device
- the display device is A display panel that displays an image corresponding to an image signal obtained from the output signal of the ultrasonic diagnostic apparatus, and a display panel.
- An actuator arranged on the back surface side of the display panel.
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Abstract
Description
超音波診断装置の出力信号から得られる画像信号に対応する画像を表示する表示パネルと、
前記表示パネルの裏面側に配置されるアクチュエータであって、前記出力信号から得られる音響振動信号に応じて前記表示パネルを振動させることにより、前記表示パネルに、聴覚で感知される音響と、触覚で感知される振動とを出力させるアクチュエータと
を備える表示装置。
<2>
前記画像は、生体に関する画像である
<1>に記載の表示装置。
<3>
前記音響は、生体に関する音響である
<1>又は<2>に記載の表示装置。
<4>
前記振動は、生体に関する振動である
<1>ないし<3>のいずれかに記載の表示装置。
<5>
前記振動は、周期性がある振動である
<1>ないし<4>のいずれかに記載の表示装置。
<6>
前記振動は、周波数が20Hzないし1000Hzの範囲の振動である
<1>ないし<5>のいずれかに記載の表示装置。
<7>
前記表示パネルの温度を調節する温度調節部をさらに備える
<1>ないし<6>のいずれかに記載の表示装置。
<8>
前記出力信号を、他の表示装置に送信する通信部をさらに備える
<1>ないし<7>のいずれかに記載の表示装置。
<9>
前記表示パネルは、OLED (Organic Light Emitting Diode)パネル又は液晶パネルである
<1>ないし<8>のいずれかに記載の表示装置。
<10>
前記表示パネルは、反射型の表示パネルである
<1>ないし<8>のいずれかに記載の表示装置。
<11>
複数の前記アクチュエータを備える
<1>ないし<10>のいずれかに記載の表示装置。
<12>
表示パネルに、超音波診断装置の出力信号から得られる画像信号に対応する画像を表示するとともに、
前記表示パネルの裏面側に配置されたアクチュエータで、前記出力信号から得られる音響振動信号に応じて前記表示パネルを振動させることにより、前記表示パネルに、聴覚で感知される音響と、触覚で感知される振動とを出力させる
表示方法。
<13>
超音波を放射し、前記超音波の反射波を受信して、前記反射波に対応する反射信号を出力する超音波プローブと、
前記反射信号の信号処理を行うことにより、出力信号を生成する超音波診断装置と、
表示装置と
を備え、
前記表示装置は、
前記超音波診断装置の出力信号から得られる画像信号に対応する画像を表示する表示パネルと、
前記表示パネルの裏面側に配置されるアクチュエータであって、前記出力信号から得られる音響振動信号に応じて前記表示パネルを振動させることにより、前記表示パネルに、聴覚で感知される音響と、触覚で感知される振動とを出力させるアクチュエータと
を有する
超音波診断システム。
Claims (13)
- 超音波診断装置の出力信号から得られる画像信号に対応する画像を表示する表示パネルと、
前記表示パネルの裏面側に配置されるアクチュエータであって、前記出力信号から得られる音響振動信号に応じて前記表示パネルを振動させることにより、前記表示パネルに、聴覚で感知される音響と、触覚で感知される振動とを出力させるアクチュエータと
を備える表示装置。 - 前記画像は、生体に関する画像である
請求項1に記載の表示装置。 - 前記音響は、生体に関する音響である
請求項1に記載の表示装置。 - 前記振動は、生体に関する振動である
請求項1に記載の表示装置。 - 前記振動は、周期性がある振動である
請求項1に記載の表示装置。 - 前記振動は、周波数が20Hzないし1000Hzの範囲の振動である
請求項1に記載の表示装置。 - 前記表示パネルの温度を調節する温度調節部をさらに備える
請求項1に記載の表示装置。 - 前記出力信号を、他の表示装置に送信する通信部をさらに備える
請求項1に記載の表示装置。 - 前記表示パネルは、OLED (Organic Light Emitting Diode)パネル又は液晶パネルである
請求項1に記載の表示装置。 - 前記表示パネルは、反射型の表示パネルである
請求項1に記載の表示装置。 - 複数の前記アクチュエータを備える
請求項1に記載の表示装置。 - 表示パネルに、超音波診断装置の出力信号から得られる画像信号に対応する画像を表示するとともに、
前記表示パネルの裏面側に配置されたアクチュエータで、前記出力信号から得られる音響振動信号に応じて前記表示パネルを振動させることにより、前記表示パネルに、聴覚で感知される音響と、触覚で感知される振動とを出力させる
表示方法。 - 超音波を放射し、前記超音波の反射波を受信して、前記反射波に対応する反射信号を出力する超音波プローブと、
前記反射信号の信号処理を行うことにより、出力信号を生成する超音波診断装置と、
表示装置と
を備え、
前記表示装置は、
前記超音波診断装置の出力信号から得られる画像信号に対応する画像を表示する表示パネルと、
前記表示パネルの裏面側に配置されるアクチュエータであって、前記出力信号から得られる音響振動信号に応じて前記表示パネルを振動させることにより、前記表示パネルに、聴覚で感知される音響と、触覚で感知される振動とを出力させるアクチュエータと
を有する
超音波診断システム。
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US17/597,081 US20220313213A1 (en) | 2019-07-03 | 2020-06-19 | Display device, display method, and ultrasonic diagnostic system |
JP2021529956A JPWO2021002217A1 (ja) | 2019-07-03 | 2020-06-19 | |
CN202080045955.2A CN114007515A (zh) | 2019-07-03 | 2020-06-19 | 显示装置、显示方法和超声诊断系统 |
EP20834550.4A EP3973884A4 (en) | 2019-07-03 | 2020-06-19 | DISPLAY DEVICE, DISPLAY METHOD AND ULTRASOUND DIAGNOSTIC SYSTEM |
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EP (1) | EP3973884A4 (ja) |
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- 2020-06-19 CN CN202080045955.2A patent/CN114007515A/zh not_active Withdrawn
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US20220313213A1 (en) | 2022-10-06 |
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