GB2533389A - Device and method for controlling an ambience or a parameter of a compression device of a mammography imaging system - Google Patents
Device and method for controlling an ambience or a parameter of a compression device of a mammography imaging system Download PDFInfo
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- GB2533389A GB2533389A GB1422698.9A GB201422698A GB2533389A GB 2533389 A GB2533389 A GB 2533389A GB 201422698 A GB201422698 A GB 201422698A GB 2533389 A GB2533389 A GB 2533389A
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- 238000009607 mammography Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 33
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- 210000000481 breast Anatomy 0.000 description 19
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- 230000036541 health Effects 0.000 description 4
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
- A61B6/0414—Supports, e.g. tables or beds, for the body or parts of the body with compression means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/46—Arrangements for interfacing with the operator or the patient
- A61B6/467—Arrangements for interfacing with the operator or the patient characterised by special input means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/502—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of breast, i.e. mammography
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
A cube or polyhedron shaped control device 30 converts user actuations to control signals for at least one remotely controlled device in an environment or room used for medical examinations. A processor of the control device generates output control signals responsive to the signals of a user actuated sensor for detecting a movement and/or a pressure. A communication unit transmits the output control signals to the remotely controlled device. The control device operates in an ambience control mode in which the output control signals, according to movement, rotation or shaking detected by a movement sensor (e.g. accelerometer), control the selection of a set of ambient parameters such as visual, audible, tactile, olfactory or gustative stimuli, within the room. The control device also operates in a compression control mode in which the output control signals control a parameter of a compression device of a mammography imaging system, e.g. a patient may control a compression paddle by squeezing 37 the control device. The control device may provide feedback by vibration 38 or by lighting an illumination device (e.g. LED) provided in a face of the polyhedron to emit light of different colours or brightness.
Description
Device and method for controlling an ambience or a parameter of a compression device of a mammography imaging system
Technical Field
[0001] The present disclosure relates to the field of remote control devices and methods in a medical environment. More particularly, the present disclosure relates to a method and device for controlling at least one parameter of a compression device of a mammography imaging system or an ambience of a medical environment.
Background
[0002] Healthcare practice has shown the value of taking images as X-rays of a patient. The use of medical imaging acquisition systems has improved the diagnosis and care of patients especially for women, since screening for breast cancer can help to detect breast lesions and breast tumors at an early stage. After a detection of suspicious objects in a patient's breast further diagnosis may follow as contrast enhanced imaging techniques. One known imaging technique for female patients is mammography.
[0003] The acquisition of a known mammogram requires, that a breast of a patient is compressed for the time of radiation exposure. Compression is necessary to lower the radiation dose and minimize motion of the breast tissue during the exam. An issue to be solved by the technologist or healthcare professional is to give the highest quality mammographic exam in the fastest time possible with minimal discomfort for the patient. However, the healthcare staff may tend to exhibit a coarser control of the compression of the breast than necessary, such that for some patients the compression may be slightly uncomfortable. Hence a fine control of the pressure or other parameters of the compression device of the imaging system is required, which takes into account the patients individual desires and pain perception. In other words there is the need of patient-controlled breast compression, in order to improve the patient's comfort during an imaging session.
[00041 An additional or alternative way to improve the patient's comfort is to provide further a specific ambience. Hence there is the need to control one or more ambient parameter, in order to reduce the patient's anxiety before or during a medical examination such as a mammography. Currently ambient parameters such as the illumination in the exam room are effectuated by way of one or more buttons. Hence, there is the need to provide a handy control without any buttons, which enables the control of the ambience.
[00051 in summary there is the need to provide a comfortable experience before, during and after an exam for a user or patient.
Summary of the invention
[00061 At least one of the embodiments of the present disclosure provides one or more solutions to the problems and disadvantages with the background art. The solutions in accordance with the present disclosure provide an easy access for controlling one or more parameter of an ambience or compression device. Another advantage that may be realized in the practice of some embodiments of the described methods and control devices is that one or more modes can be provided for improving the experience of a patient in preparation, during and after a medical examination. Other advantages of the present disclosure will be readily apparent to one skilled in the art from the following description and claims.
[00071 in one aspect, the present disclosure is directed to a control device for converting user actuations to control signals for at least one remotely controlled device located in an environment used for medical exams comprising: at least one user actuated sensor for detecting a movement and/ or pressure; a processor configured to generate output control signals responsive to the signals of the sensor: and a communication unit configured to transmit output control signals to the at least one remotely controlled device; wherein the control device is operable to implement at least one of a plurality of modes comprising: an ambience control mode wherein the output control signals are configured to control the selection of a set of ambient parameters; and a compression control mode wherein the output control signals are configured to control at least one parameter of a compression device of a mammography imaging system.
[0008] In this way one or more parameters can be remotely controlled and in case of operating the control device in the ambience control mode a set of ambient parameters comprising a plurality of visual, audible, tactile, olfactory and/or gustative stimuli can be provided.
100091 According to another embodiment of the disclosure the control device further comprises a feedback generation unit, which is responsive to feedback information received by the communication unit, which feedback information is about the selection of one or more ambient parameter and/or about at least one parameter of the compression device. The feedback generation unit may comprise at least one illumination device to give visual feedback or be configured to generate vibrotactile feedback and/or audible feedback information. hi this way a user can easily recognize, if a selection of a set of ambient parameter has been performed or if the required compression has been attained by the compression device.
[0010] According to an aspect of the disclosure the control device is shaped as a polyhedron such as a cube. At least one face of the polyhedron may be configured to emit light in at least two different colors and/or two distinguishable shades of brightness in order to indicate a selection of a set of ambient parameters or of the level of at least one compression parameter.
[00111 In another aspect, the present disclosure is directed to a control device which is operable in a deactivation mode, wherein the compression mode is deactivated when a predetermined compression force or pressure is attained by the compression device or when the user desires to stop compression. In this way the efficiency of the medical exam and individual control can be increased.
[0012] In yet another aspect, the present disclosure is directed to a control device, which is operable in an additional mode in which the output control signals are configured to control a random ambience when the control device is shook. In a further aspect of the present disclosure the sensor for detecting a movement comprises an accelerometer for detecting rotation and/or shaking of the control device.
[0013] According to another aspect of the present disclosure the communication unit of the control device configured to transmit and/or receive is selected from the group comprising an infrared unit, a WIF1 unit or a Bluetooth unit.
[0014] According to another aspect of the present disclosure the control device comprises a power source comprising a battery or a rechargeable accumulator Using as power or energy source a rechargeable accumulator, which can be charged by induction, has the advantage that the control device can be charged contactless. In this way electronic components can be enclosed and the control device is easy to handle and to clean. Only illumination devices are may be partially arranged at the surface. For saving energy LED's can be used as illumination devices.
[0015] in another aspect, the present disclosure is directed to a method for controlling at least one remotely controlled device by a user actuated control device, the method comprising: - moving and/or pressing the control device; - detecting a movement and/or pressure by at least one sensor; - generating output control signals by a processing unit according to movement sensor signals when the control device is in a ambience control mode, and/or generating output control signals according to pressure sensor signals when the control device is in a compression control mode; and - transmitting output control signals to control the selection of a set of ambient parameters when the device is in the ambience control mode and/or transmitting output control signals to control at least one parameter of a compression device of a mammography imaging system when the device is in the compression control mode.
[0016] In accordance to an embodiment of the disclosure, the method further comprises: generating vibrotactile, audible and/or visual feedback according to the selected ambient parameter or set of ambient parameters and/or at least one parameter of the compression device.
Brief description of the Drawings
[0017] The accompanying drawings illustrate exemplary embodiments of the disclosure and serve to explain, by way of example, the principles of the disclosure. To provide a consistent frame of reference for description purposes, various directional terms, e.g. horizontal, vertical, bottom, top, side, upward, downward and the like, will be used to describe the orientation of various components of the polyeder or cube relative to each other. The disclosure is not restricted to the described orientation.
[0018] F1G.1 shows a diagrammatic top view of a control device according to an embodiment of the disclosure; [0019] FTG.2 diagrammatic illustration of a control device according to another embodiment of the disclosure [0020] FIG.3 shows a series of diagrammatic illustrations of a compressible control device; [0021] FIG.4 shows a diagrammatic illustration of another embodiment of the control device for controlling at least one parameter of a plurality of ambient parameters and of a compression device of a breast imaging system; [0022] F1G.5 shows two diagrammatic illustrations of a control device of another embodiment controlling the at least one ambient parameter by rotating the control device; [0023] FTG.6 shows schematically illustrations of another embodiment of the control device comprising a charging system; [0024] FIG.7 shows a diagrammatic illustration of the method to control at least one related controlled device located in a medical environment; [0025] FIG.8 shows a diagrammatic flowchart of a method for controlling at least one remotely controlled device; [0026] FTG.9 shows a schematic flowchart of another embodiment of a method operable in two modes for controlling a compression device and an ambient controller; and [0027] F1G.10 is a flowchart according to another method comprising controlling by shaking the control device.
Detailed description
[0028] FIG. 1 shows a diagrammatic top view of a control device 10 in the shape of a cube with rounded edges, wherein not only the outer surface is shown but also the enclosed components, which are arranged in the housing. On the outside of each face of the cube 10 illumination devices 21, 22, 23 and 24 are arranged. These illumination devices 21, 22, 23 and 24 are arranged in the centre of the respective face. Each face has a length 17 indicated by the arrows. The illumination devices may be selected from a group as LED, OLED and the like. The illumination devices 21, 22, 23 and 24 may illuminate each of the respective side in a different colour. In this way each side can easily identified by a user.
100291 F1G.1 shows that the control device 10 further comprises an embedded communication unit 25 in order to wirelessly communicate control signals, which are the output of an associated internal processing unit (not shown). Further, the control device comprises a sensor 27, which is incorporated in the control device and is only illustrated as one unit, but may comprise several units, which may be arranged on or below one or more cube faces. These sensors may, for example, measure a pressure, which is applied to one or more faces of the cube, if the control device 10 is operated in a compression control mode. Further, the sensor 27 may be in the centre of the cube and measure the movement as a rotation of the cube 10. The communication unit 25 can transmit control output signals to a device as a compression device of an imaging system and/or a device controlling a selection of a set of ambient parameters as illumination devices or the like.
[00301 FIG.2 shows a schematic perspective view of a control system comprising a control device 20 according to another embodiment of the disclosure and a device for controlling at least one parameter of an ambience and/or a compression device. The control device is shown with a housing 18, which comprises six faces, wherein the faces 11, 12 and 13 are visible. At least a part of the housing as an outer shell may be configured flexible and thus compressible, in order to be facilitate an operation in the compression control mode, wherein pressure application of the user is actuating the control device. The arrow 29 indicates that after actuation by movement of a user the upward directed face having a round and circle shaped illumination area, is for example brighter illuminated than the other faces in order to indicate that this face is selected. After a selection by movement in the so called ambience control mode the internal processing unit of the control device 20 can remotely control a set of ambient parameters. Ambient parameters may comprise either visual, audible, tactile olfactory and/or gustative stimuli, which can be provided in exam rooms or rooms related to a medical exams as waiting or dressing rooms. The control device can be configured such that after a face is selected as an upward directed face, a vibrational feedback is provided (indicated by the circle lines 38). These vibrations can be performed by the feedback generation unit 26 (see F1G.1).
[00311 A selection of a specific face to be directed upward can be done by rotation in a user's hand or by throwing the cube like a dice on a surface. After such a random or intentional selection of a specific face control output signals are generated by the processing unit of the control device. These control signals are wireless transmitted via the communication unit to an external control device. The transmission of output signals is illustrated by the curved lines 55. Further the curved lines 56 indicate transmitting or receiving signals from an external processing unit 50. The communication device 51 of the processing unit 50 is a small transmitter and receiver, which can be plugged into the computer. in this way an existing computer can easily be upgraded to communicate with the control device 20.
[0032] The computer comprises besides the processing unit 50 a display 53 and a user interface 52. Such a processing unit 50 can be part of an imaging system and control at least one parameter of a compression device of an imaging system for mammography when the control device 20 is operated in the compression control mode.
[0033] F1G.3 shows steps of a method, wherein the control device 30 is operated in the compression control mode. In this mode a user generates output control signals in dependence of the level of pressure application to the cube shaped control device 30. The pressure application is schematically shown in FIG. 3 by the arrows 37. A user's hand 41 can apply different pressure levels to the control device 30.
[00341 At the first step shown in the left-hand view, the hand 41 simply holds the cube 30 between two fingers without applying significant pressure. in this case the illumination of all faces will be coloured in the same colour 31. As a next step the hand 41 encloses the cube 30 with all fingers as far as possible and applies pressure on the control device 30 as indicated by the arrows 37. This pressure level causes a change of the colour of the control device to another colour 32 and in dependence of the pressure applied at least one parameter of a compression device (not shown) is remotely controlled.
[0035] The compression device is part of a breast imaging system and comprises a movable compression paddle (see for example reference number 124 in FIG. 4). The compression is needed for accurately imaging a breast. According to one method of the disclosure the compression paddle is adjusted automatically or by a healthcare professional to a position dose to or until contacting a patient's breast. In the compression mode of the control device 30 the female patient can control the fine tuning of the compression device by squeezing the flexible control device 30. The self-control is advantageous since the female user can herself regulate very finely the desired compression.
[0036] The right-hand view of FIG. 3 is showing the control device 30 in a last method step, wherein feedback is given by vibration 38, after a predetermined optimal compression force or pressure is attained. Such a feedback can be generated by a suitable vibration motor in the control device 30 and indicates that no more compression is necessary. Further a new colour 34 generated by the illumination devices may indicate that the compression is no longer needed. The colours 31, 32 and 33 may for example change from green over yellow to red in the three different method steps. Ihz this way the user is visually informed that the compression is limited.
[0037] According to another embodiment of the control device a deactivation mode is provided, wherein the compression mode is deactivated when a predetermined compression force or pressure is attained by the compression device or when the user desires to stop compression. After a required or predetermined optimal compression force is attained the cube may give feedback and at the same time deactivate the compression mode. That is to say potential further pressing by the user is no longer recognised by the control device 30. Medical professionals or radiologists can then start a mammography with the optimal compression.
[0038] FIG. 4 shows an imaging device 5 and a mammography imaging system. The imaging system 1 comprises an imaging device 2 with illumination source such as an X-ray source 121 for illuminating objects of interest 9 such as a breast of a patient. The detector 122 is facing the source 121 such as an X-ray tube for detecting the radiation transmitted through the object of interest. The object of interest being a patient's breast 9 is supported by the support 123. The compression force or pressure needed for high quality imaging can be adjusted by the vertical movement of the compression paddle 124 as shown by the arrow 148. The compression paddle 124 can be moved up to the maximum height indicated by the dashed lines 144.
[0039] By means of a compression device 129 the slidable and vertically movable compression paddle 124 can be displaced to the desired position. The compression device 129 is remotely controllable by a wireless communication between the compression device and the remote control device 6 indicated by arrow 128. The control device 6 comprises a pressure sensor, not shown, that can adjust the compression paddle 124 according to the pressure applied to the control device 6 by the user. In this way a user as a female patient can individually and accurately control a pressure or force applied by the compression paddle 124. Thus the comfort of the patient is increased and by giving wireless feedback (see arrow 128) the compression device can indicate if the required pressure or force for high image quality is attained.
[0040] The control device 6 is shaped as a cube and has 6 faces 141, 142, 143, wherein at least the outer part of the cube housing is flexible for operation in the compression mode. Each face of the cube 6 has an illumination device which, for example, is the illumination device 161 illustrated on the upper side 141 and the illumination device 162 illustrated on the side face 142. These illumination devices 161 and 162 of the cube 6 are controlled via the lines 186 and 185 by an internal processing unit comprising a control unit 180. The control unit 180 is further configured to control via the signal line 183 the loud speaker 165.
[004 I] The loudspeaker can generate sound for a plurality of purposes. One purpose is to emit in the ambience control mode audible information and/or music as an ambient parameter. Since the control device 6 is easily portable, the user may take the cube closer to the ear for better hearing music or other audible information. Alternatively the loudspeaker can be used as feedback generation unit.
[0042] For example the loudspeaker can advantageously be used as feedback generation unit, if the control device 6 is operated in the compression mode. If the pressure applied by the user is getting closer to the desired maximum the loud speaker can provide signals, which are emitted in shorter time intervals. After the pressure or force on the breast is achieved, which is required for a high quality image is, the loud speaker can generate an audible continuous signal, which stops after a predetermined time. Optionally a voice, which is saved in a memory of the control device 6, can be played, that informs the patient that the necessary compression of the breast is achieved. After emitting such audible feedback the compression mode may be deactivated, such that the patient's breast is not further compressed. After deactivation of the compression mode the loud speaker can be used in the ambience control mode for playing music in order to relax the atmosphere for the patient during the examination.
[0043] Furthermore, a set of ambient parameters can be controlled, if the control device is operated in the ambience control mode of the cube 6. This mode enables the generation of output control signals by a processing unit comprising the control unit 180, wherein the output control signals are based on a measured movement of the cube. The face 161 directed upward corresponds to the selected ambient parameter set. FIG. 4 shows visual stimuli comprising an illuminated wall portion 184 on wall 7, which might be illuminated by a video projector, and an illumination 1R7 on the floor. The colours of the respective illuminations or projected information may change according to the selected upward directed face of the cube. The respective control signals for the selection are based on measurement signals provided by a sensor for measuring the movement such a as a rotation of the control device.
[0044] A health care professional (not shown) can receive the image data via line 155 and the processing unit I50 of the imaging system. The image is displayed in display unit 127 and can be saved in a memory of the processing unit 150. The health professional can perform a coarse tuning of the compression device via the user interface, whereas the fine tuning to attain the required force or pressure of the compression paddle is done by the interactive control device 6, if used in the compression control mode.
[0045] FIG.5 illustrates a user which intuitively learns to select a set of ambient parameters when the control device is operated in the ambience control mode. As can be seen on the left-hand view a user 42 takes the control device 40 in the form of a cube into the hand 41. The cube has six faces and faces II, 12 and 13 can be seen in the perspective view. Furthermore the control device 40 comprises a loudspeaker 28 on face 12. By means of the loudspeaker 28 music or other audible sound or information can be emitted for the user.
[0046] The control device 40 is self-explaining since different shades of brightness of the illuminations of the faces 11, 12, 13 shows which face is selected. Only the face directed upward is brightly illuminated, which is face 11 in the left-hand view and after rotation by the user's hand 41 is face 14 in the right hand view. The selection of face 11 in the left-hand view of FIG. 5 corresponds to a selected displayed image or movie 137. The display unit has a communication unit 51 in order to receive wirelessly the output control signals by the control device 40.
[0047] The right-hand view of FIG. 5 shows the user 42 rotating the cube 40 into the direction such, that face 14 is facing upward and not anymore face 11. According to the rotation indicated by arrow 44 a new position of control device 40 is attained and measured by the at least one integrated sensor (not shown) and another set of ambient parameters is automatically selected and controlled by the remote control 40. FIG. 5 on the right-hand side shows accordingly another displayed image or movie 138. Further, music or other audible sounds or information can be played by an external loudspeaker 59. In this way the control device 40 remotely controls both the loudspeaker 59 and the display unit. The external loudspeaker can play music 58 related to the displayed movie. Further the edges of the wall or the floor 57 can be illuminated in the colour of the face 14 selected by the user. The cube can also be used for further settings not displayed in FIGS. Since the control device 40 is in shape of a cube having six faces, the control device 40 can control six different set of ambient parameters. In this way the user or patient may be distracted when she or he waits in a waiting room for the medical examination.
[0048] According to another embodiment of the disclosure a timer is provided, such that the generation of the ambient parameter and changes thereof are only actuated after a selection is maintained for a predetermined time by no more moving the control device to another face such that the movement sensors measure no significant movement. In this way fast rotation from one face to another will not cause a corresponding ambience change to prevent fast switching between different displays or ambient scts.
[0049] FIG. 6 shows diagrammatically a control device 60 according to another embodiment of the disclosure comprising a charging system. The control device 60 is shown in the upper perspective view formed as a cube. However the control device can be formed in any other shape as a polyhedron having a plurality of faces 101, 102, 103, 104, 105. The perspective view of control device 60 shows as further components illumination devices designed as LEDs 61, 62, 63 and a loudspeaker 65. It is possible to enclose the illumination devices below a transparent layer. Thus a cleaning of the control surface and faces 101, 102, 103, 104 and 105 is easily possible.
[0050] The circuit diagram below the perspective view of the control device 60 shows that up to six illumination devices can be arranged in the control device 60. in this way light can be emitted at each face of the cube. The upward pointing face 105 may indicate a selection by emitting distinguishable levels of brightness with the LED 66 or by flashing a predetermined colour of the face.
[005I] The embodiment shown in FIG. 6 illustrates a charging system, which uses induction for charging. For charging the energy source 95 the primary coil 91 integrated at or below the face 104 of the control device 60 is used. A secondary coil 92 is provided at the charging unit 133. The charging process uses an electromagnetic field to transfer energy between the first coil 91 and the second coil 92. The energy is sent through an inductive coupling to the control device, which can then use the produced energy to charge the internal power source 95 such as a rechargeable accumulator.
[0052] The power source 95 supplies energy to a plurality of components such as a processing unit comprising the control unit 80, which may receive instructions from a memory 81 or the signals of the sensor system 70 or other input signals. The control unit 80 controls the loudspeaker 65 in order to emit audible signals and a plurality of illumination devices arranged as LEDs 61, 62, 63, 64, 66, 67 to illuminate at least one face 105 or each of the six faces.
[0053] The sensor system 70 is connected with the control unit 80. The sensor system 70 comprises for measuring movements as rotation of the cube 60 at least one accelerometer 71. Using the accelerometer as sensor the control device 60 can be operated in the ambience control mode. Further the sensor system 70 comprises at least one pressure sensor 72, in order to measure pressure applied by the user. Based on the measurements of the pressure the control device 60 can be operated in the compression control mode, in order to control a self-compression of a patient's breast.
[0054] As a further component of the control device 60 the communication unit 85 comprises a transmitter and receiver. The communication unit 85 is configured to send from the control unit 80 control output signals to external devices for ambience or compression control. Moreover, feedback signals from external devices can be received.
[0055] FIG. 7 shows a diagrammatic illustration of a control system 100 according to another embodiment of the disclosure. FIG. 7 shows a room for a medical examination using an imaging device 5. The imaging device 5 comprises an X-ray source 121 and a detector 122. The imaging device 5 further comprises a compression device 129 in order to compress the object of interest such as a patient's breast. Further the imaging device 5 is connected to a processing unit with a user interface 151. A health professional can view at the display 127 the images obtained by the imaging device 5.
[0056] The imaging device 5 is located in a room having different walls with different displays or projection areas showing images 136, 125 and 135, respectively. These images 136, 125 and 135 can be selected by the control device 102 based on the position and related user actuated movement of the control device 102. A selection of a specific ambient parameter set is actuated by a selection of a specific face, which is directed upward.
[00571 FIG. 7 shows three different ambient parameter sets, which are each selected after rotation of the cube 102 to different upward directed faces. Before the user moves the cube 102. the cube 102 is still in a standby mode and the face 112 is not yet illuminated or only slightly illuminated (see relatively dark pattern at face 112 of the single cube below the arrows in circle). Only if the user picks the cube or control device 102 up, the integrated sensor such as an accelerometer detects the movement and corresponding position of the cube 102. After this active selection the face 112 is illuminated brighter, such that the activation of the cube and the corresponding face selection can be easily recognized by the user (see above the arrows in circle the indication of a changed illumination of face 112 of cube 102 by a brighter pattern). In this way the user understands intuitively, that movement or rotation can be used to change or select an exam room ambience.
[0058] At the left of FIG. 7 face 111 of the cube 102 is directed upward and illuminated after rotation (see arrows in circle below the cube). The upward pointing arrow illustrates the selection of face III and that corresponding control signals are transmitted to generate a first set 110 of ambient parameters. This ambient parameter set 110 comprises a set of stimuli as visual information on the displayed image 136. Further, other ambient stimuli as audible signals as music can be provided by an integrated loudspeaker in the remote control device 102. Alternatively or additionally an external loudspeaker, which may be part of the display unit on the wall, can be remotely controlled by the control device 102.
[00591 After rotation of the cube 102, which is indicated with the two arrows in circle, the integrated sensor of the cube 102 such as an accelerometer detects the rotation and/or corresponding position of the cube 102. If the face 112 is the upper face corresponding movement or rotation sensor signals are received by the processing unit of the cube 102, which generates output signals for controlling a second set of ambient parameters, which is indicated by the reference number 120. This selected set of ambient parameter corresponds to a specific projection on the wall 125 and other visual or audible stimuli. For example the ceiling illumination may be selected in the colour of the selected cube face. Further, the remotely controllable device 134 may also be configured to generate in response to the control device 102 a selected olfactory stimulus. Optionally a room temperature or the like can be remotely controlled by control device 102 to enhance the comfort during the medical examination.
[0060] The described ambience control mode actuated by movement of the control device can also be used in other rooms or sections of the exam room. This is diagrammatically indicated by the third set of ambient parameter (see section indicated with reference number 130). The room has a dressing section 131, which may also be provided in a separate room (not shown). The dressing section 131 has a displayed image 135 or projection on the side wall, which is controlled remotely by the rotation of the cube, if face 113 is the upward directed face of the control device 102.
[0061] Further, a virtual mirror 132 can be used as further visual stimulus by providing specific illumination or other visual information. The device 134 is configured to generate in response to the control device 102 a selected olfactory stimuli corresponding to the third ambient set.
[0062] Furthermore, a charging unit 133 is provided for charging the power source as an accumulator of the control device 102. The control device 102 may be illuminated if located on the charging unit in order to invite the patient to pick the control device 102 up. After picking up the control device 102 the user can intuitively learn, that by rotating the cube different sets of ambient parameters with different illumination colours or different displays can be selected. Moreover, shortly before the examination a health professional can coarsely adjust the compression device 129 to the size of the patient's breast. Then, the control device 102 can further be used to fine tune the force or pressure of the compression device 129 by applying pressure to the control device 102 in the compression control mode. Through the self-compression the patient has more control and may more easily relax. Further, with a suited feedback of the imaging system 5 the image quality can be ensured as well.
[0063] FIG. 8 shows the flow chart of a method 200 according to one embodiment of the present disclosure, wherein the control device is operated in at least one mode. In the first method step 21 I the control device is moved or pressed in order to actuate the control device. The actuation is detected in a second method step 212 by either a pressure sensor or a movement sensor comprising an accelerometer or any other suited sensor.
[0064] in the next method step 213 an output control signal is generated by a processing unit according to the movement sensor signals when the control device is actuated in an ambience control mode. Alternatively or in addition the processing unit generates output control signals according to pressure sensor signals when the control device is operated in a compression control mode.
[0065] The generated output control signals acquired in at least one of the two modes is then transmitted in step 214 to control the selection of a set of ambient parameters and/or to control at least one parameter of a compression device of a mammography imaging system. In this way a remotely controllable device such as an illumination device or a loudspeaker is receiving the output control signals for generating a set of ambient parameters from the remote control device. The position or rotation of the control device in form of a cube can be used as user actuation.
[0066] FIG. 9 illustrates a flowchart of method 210 according to another embodiment of the disclosure, wherein the control device is operable in two modes. One mode is an ambience control mode and the other mode is the compression control mode. In a first method step 201 again a user actuation is depicted. There are two ways of actuation: a movement of the cube or a pressure application. These actuations can be performed one after the other or simultaneously.
[0067] If the control device is operated in the ambience control mode, the rotation or movement is measured in step 201 by a sensor such as an accelerometer. Advantageously the selection of an upward directed face is only confirmed, if the control device is maintained in a position for a predetermined time. After a selection has been detected and confirmed, there are control output signals and feedback signals provided. The control output signals are transmitted in step 220 to a remotely controllable device or devices, which generate the selected set of ambient parameters as visual, audible, tactile and/or olfactory stimuli. Further, feedback signals are transmitted within the control device 205 in step 203, in order to generate a feedback of the selection by illuminating the upward directed face. Other feedback as vibrational feedback is also possible.
[0068] If the control device is operated in the compression mode, instead of movement, the actuation is done by pressure of the preferably at least partially flexible control device. A pressure sensor of the control device measures the pressure applied by a user in step 204. Based on the measured pressure signals control output signals are generated by the processing unit of the control device. These control signals are wireless transmitted to a compression device in step 240, in order to control at least one parameter of the compression device. In this way the female patient can squeeze the control device for fine tuning the force or pressure executed on the patient's breast. Again a feedback can be generated in the control device in step 203. For example according to the level of compression force or pressure the colours of each face can be changed. Further, audible signals can be generated as feedback to indicate an approaching maximum compression. If the required compression for optimally supporting the imaging process is attained, the compression mode can be deactivated. hi said deactivation mode further pressure application to the control device will be ignored.
[0069] According to yet another embodiment of the present disclosure a method is provided, wherein the control device can further be operated by shaking the control device. This operation mode is illustrated in the flowchart of FIG. 10. In a first step 230 the patient or user will take the control device. In order to distinguish between normal carrying of the control device and shaking a maximum movement is predetermined. Only if this maximum is trespassed a shaking will be recognized [0070] In step 235 it is queried if the predetermined maximum value is overpassed or not. If the movement is not significant the previous status of the control device is maintained in step 233. In this way the user can walk around with the cube without initiating or actuating the control device.
[0071] On the other hand, if the control device is shaken -as indicated by the woman 234 and the arrows -strong enough, that the predetermined acceleration is ovcrpassed, then in step 231 shaking is recognized by the control unit. After the recognition of shaking a random ambience is controlled. This may be the initiation or change of an ambient parameter as an audible signal (see method step 241 indicating as example of an ambient parameter the emission of a first kind of music). In case the user wants to maintain the randomly selected ambient parameter, no more shaking will maintain the desired status (see step 233 after query in 235).
[0072] If the user wants to change the random ambient parameter, the latter can be changed by repeating the precedent steps comprising shaking 234. In this case the query 235 will result in higher values as the predetermined maximum value. After the recognition of a shaking in step 232 another random ambient parameter is controlled and generated in step 242. In case the ambient parameter comprises audible signals as music, the music can be played from an internal memory from the control device itself. Alternatively audible signals can be generated and controlled remotely using remotely arranged loudspeakers. Moreover there is the possibility to provide feedback that the shaking is recognizes. This may be done by using vibrations, change of LED or the like.
[0073] This written description uses examples to disclose the invention, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices and performing any incorporated methods. The patentable scope of the invention is defined by the claims, and may include other examples that occur to those skilled in the art.
LIST OF ELEMENTS
mammography imaging system 2 compression device imaging device 6 control device 7 wall 8 floor 9 object of interest control device shaped as cube 11 first face of cube 12 second face of cube 13 third face of cube 17 length of side 18 housing control device according to another embodiment 21 first illumination device 22 second illumination device 23 third illumination device 24 fourth illumination device communication unit 26 feedback generation unit 27 sensor 28 face with integrated loudspeaker 29 an-ow indicating illuminated upward facing side showing a selection compressible control device 31 illumination of cube in first color 32 illumination of cube in second color 33 illumination of cube in third color 37 arrow indicating pressure application by hand 38 vibrational or audible feedback control device 41 hand of a user 42 user 44 arrow for rotational movement processing unit 5I communication unit 52 user interface 53 display output signals 56 indication of transmitting or receiving signals 57 lower edge of projection wall 58 indication of music 59 loudspeaker control device shaped as cube 61 first LED 62 second LED 63 third LED 65 loudspeaker motion sensor 71 accelerometer 72 pressure sensor control unit of cube 81 memory unit communication unit charging system 91 first coil in control device 92 second coil in charging unit rechargeable energy source control system according to another embodiment 101 first face of control device 102 second face of control device 103 third face 104 fourth face fifth face first set of ambient parameters 111 first face of cube 112 second face of cube 113 third face of cube 114 fourth face of cube fifth face of cube 116 sixth face of cube second set of ambient parameters 121 x-ray source 122 detector 123 support 124 compression paddle image according to the second set of ambient parameters 127 display unit 128 arrow indicating wireless communication 129 compression device third set of ambient parameters 131 dressing section 132 mirror 133 charging unit 134 olefactory stimuli displayed image according to the third set of ambient parameter 136 displayed image according to the first set of ambient parameter 137 displayed image or movie 138 another displayed image or movie 141 upward facing face of control device 142 side face 143 bottom face 144 maximum height of compression paddle 148 vertical movement of compression paddle processing unit of imaging system 151 user interface data acquisition line and control line 161 first illumination device 162 second illumination device 165 loudspeaker control unit of cube 181 arrow indicating communication of control output signal to projector 182 arrow indicating communication of another control output signal 183 control output signal line for internal loudspeaker 184 illuminated wall portion by video projector control signal line for illuminating second cube face 186 control signal line for illuminating first cubc face 187 floor illumination method for remotely controlling 20 I user actuation 202 movement 204 pressure application 203 feedback at upper face 205 controller 210 method according to another embodiment 21 I first step 212 second step 213 third step 214 fourth step 220 control ambience 230 taking cube 231 first shaking recognized 232 second shaking recognized 234 shaking of cube by user 235 query if detected movements larger than predetermined maximum values 233 no shaking recognized 240 compression device 241 controlling a device to play first music or information 242 controlling the device to play second music or information
Claims (16)
- What is claimed is: 1. A control device for converting user actuations to control signals for at least one remotely controlled device located in an environment used for medical exams comprising: at least one user actuated sensor for detecting a movement and/ or pressure; a processor configured to generate output control signals responsive to the signals of the sensor; and a communication unit configured to transmit output control signals to the at least one remotely controlled device; wherein the control device is operable to implement at least one of a plurality of modes comprising: an ambience control mode, wherein the output control signals are configured to control the selection of a set of ambient parameters; and a compression control mode, wherein the output control signals are configured to control at least one parameter of a compression device of a mammography imaging system.
- 2 A control device according to claim I, wherein the control device further comprises a feedback generation unit which is responsive to feedback information received by the communication unit, which feedback information is about the selection of one or more ambient parameter and/or about at least one parameter of the compression device.
- 3 A control device according to claim I or 2, wherein a housing comprising the at least one sensor, the processor and the communication unit is shaped as a polyhedron having triangular, square or polygonal faces.
- 4. A control device according to claim 3 wherein the polyhedron is a cube.
- 5. A control device according to claims 3 or 4, wherein the ambient parameter set comprises a plurality of visual, audible, tactile, olfactory and/or gustative stimuli, wherein the number of different sets corresponds to the number of the faces of the polyhedron.
- 6 A control device according to any of the claims 2 to 5, wherein the feedback generation unit is configured to generate vibrotactile feedback and/or audible feedback information.
- 7. A control device according to any of the claims 2 to 6, wherein the feedback generation unit comprises at least one illumination device to give visual feedback information.
- 8. A control device according to claims 3, 4 and 7, wherein on each face of the polyhedron an illumination device is arranged and configured to light at least one face of the polyhedron for visual feedback.
- () A control device according to claim 7, wherein at least one face of the polyhedron is configured to emit light in at least two different colours and/or two distinguishable shades of brightness in order to indicate a selection of a set of ambient parameters or of the level of at least one compression parameter.
- 10. A control device according to any of the preceding claims, the control device further operable in a deactivation mode, wherein the compression mode is deactivated when a predetermined compression force or pressure is attained by the compression device or when the user desires to stop compression.
- 11. A control device according to any of the preceding claims, further comprising an additional mode, wherein the output control signals are configured to control a random ambience when the control device is shaken.
- 12. A control device according to any of the preceding claims, wherein the sensor for detecting a movement comprises an accelerometer for detecting rotation and/or shaking of the control device.
- 13. A control device according to any of the preceding claims, wherein the communication unit for transmitting and/or receiving is an infrared unit, a WIN unit or a Bluetooth unit.
- 14. A control device according to any of the preceding claims, further comprising a power source comprising a battery or a rechargeable accumulator.
- 15. A method for controlling at least one remotely controlled device by a user actuated control device, the method comprising: - moving and/or pressing the control device; - detecting a movement and/or pressure by at least one sensor; - generating output control signals by a processing unit according to movement sensor signals when the control device is in a ambience control mode, and/or generating output control signals according to pressure sensor signals when the control device is in a compression control mode; and - transmitting output control signals to control the selection of a set of ambient parameters when the device is in the ambience control mode, and/or transmitting output control signals to control at least one parameter of a compression device of a mammography imaging system when the device is in the compression control mode.
- 16. A method according to claim 15, the method thither comprising: - generating vibrotactile, audible and/or visual feedback according to the selected ambient parameter or set of ambient parameters and/or at least one parameter of the compression device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1422698.9A GB2533389A (en) | 2014-12-19 | 2014-12-19 | Device and method for controlling an ambience or a parameter of a compression device of a mammography imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1422698.9A GB2533389A (en) | 2014-12-19 | 2014-12-19 | Device and method for controlling an ambience or a parameter of a compression device of a mammography imaging system |
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| GB2533389A true GB2533389A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| GB1422698.9A Withdrawn GB2533389A (en) | 2014-12-19 | 2014-12-19 | Device and method for controlling an ambience or a parameter of a compression device of a mammography imaging system |
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| WO2019092120A1 (en) * | 2017-11-13 | 2019-05-16 | Sas Joyeuse | Method for controlling a portable object and portable object controlled by such a method |
| WO2021116492A1 (en) * | 2019-12-13 | 2021-06-17 | Carity Aps | Configurable personalized remote control |
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