Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
  • A61B5/4538—Evaluating a particular part of the muscoloskeletal system or a particular medical condition
  • A61B5/4595—Evaluating the ankle
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
  • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
  • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
  • A61B5/1121—Determining geometric values, e.g. centre of rotation or angular range of movement
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
  • A61B5/4528—Joints
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B5/00—Measuring for diagnostic purposes; Identification of persons
  • A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
  • A61B5/702—Posture restraints

Definitions

• Transportable device for measuring physical parameters associated with the articulation of the ankle of a subject, and frame of such a device
• the invention relates to a transportable device for measuring physical parameters associated with the ankle joint of a subject, in particular a patient.
• the invention also relates to a frame of such a device.
• this type of measuring device is very bulky and, when the subject is installed on such a device with his foot on the pedal, his foot and his ankle may be partially or completely hidden by the study device by wires connecting the device to the different sensors ....
• the measuring device is therefore very impressive for many subjects, especially for children, who then have trouble being relaxed when the "quick-release" test is performed. This tends to distort the test results which is undesirable.
• such a measuring device can not be used to make measurements on subjects having difficulty moving or unable to move because it is then extremely difficult to install these subjects on the device.
• An object of the invention is to provide a device for measuring physical parameters associated with the articulation of an ankle of a subject, even if the latter has difficulty in moving, which allows a more significant measurement of said physical parameters and a frame of such a device.
• a transportable device for measuring physical parameters associated with the articulation of an ankle of a subject comprising:
• a portable frame which has an open receptacle for receiving a foot of the subject, the receptacle being pivotally mounted on the frame about a given axis of rotation so as to be arranged at the end of the frame with an opening of the receptacle facing the outside of the device and so that the axis of rotation coincides with the axis of articulation of the subject's ankle when the foot thereof rests in the receptacle and which comprises means for temporarily blocking the receptacle in a first position ,
• At least the locking means and the means for determining a pair being arranged in the frame behind the receptacle when the opening of the receptacle faces the subject.
• the subject sees almost only the frame and the receptacle during the tests, a majority of the elements carried by the frame being masked from the view of the subject by the receptacle itself.
• the frame according to the invention is thus compact and a simplified structure which gives it a more reassuring appearance for a subject.
• the frame makes it possible in particular to prevent the foot and the ankle from being masked by elements of the device, other than any means of immobilizing the foot at the receptacle, during the tests, which tends to frighten certain subjects, especially children. .
• the subjects can pass the tests in a more relaxed way which allows to have more significant test results.
• the device according to the invention by its very arrangement, thanks to its portable frame, does not constrain the position of the subject.
• the frame is of size and mass adapted to its handling by one person and to be placed in places suitable for subjects without them need to change position.
• the device according to the invention is therefore particularly advantageous for the study of physical parameters related to the ankle joints of bedridden subjects, particularly bedridden patients. Indeed, it is possible to place the frame of the device according to the invention on a tray arranged astride the bed of the patient so that the tests can be performed without having to lift or move the patient. It suffices for the patient to only have to lengthen his leg to place his foot in the receptacle.
• the device according to the invention is easily transportable from one bed to another again thanks to its portable frame.
• the device can be used both for the left ankle as for the right ankle.
• the device is therefore ambidextrous. The same device can therefore be used by a large number of subjects.
• measurement means allowing a physical measurement of the parameter concerned as well as calculating means allowing an estimation by mathematical calculations of the parameter concerned that a combination of measuring means and means Calculation.
• the invention also relates to a portable frame of a device as previously described, the frame comprising an open receptacle for receiving a foot of the subject, the receptacle being pivotally mounted on the frame about a given axis of rotation so as to be arranged at the end of the frame with an opening of the receptacle turned towards the outside of the device and so that the axis of rotation coincides with the axis of articulation of the ankle of the subject when the foot thereof rests in the receptacle, the frame comprising means for temporarily blocking the receptacle in a first position.
• FIG. 1 is a diagram showing a subject bedridden with a transportable device according to the invention arranged astride the bed of the subject,
• FIG. 2 is a perspective view of a part of the device illustrated in FIG. 1, the receptacle of said device being in its first position, the side walls of the frame being shown in dotted lines
• FIG. 3 is a perspective view of the part of the device illustrated in Figure 2, the receptacle of said device being in its second position, the side walls of the frame being shown in dashed lines
• Figure 4 is a perspective view identical to that of Figure 2 in which only the frame and the associated boxes are represented
• Figure 5 is a perspective view identical to that of Figure 2 in which the side walls of the frame and the housings have not been shown.
• the frame 2 here comprises a floor 3 and two side walls 4, 5 extending parallel from the floor 3 to face each other.
• the frame 2 further comprises an open receptacle 6 for receiving a foot of the patient P.
• the receptacle 6 here has substantially the shape of a rider comprising two wings 7, 8 and a base from which extend the two wings 7, 8.
• the base forms a main wall 9 of the receptacle 6 on which the sole of the patient P is intended to rest.
• the first flange 7 is pivotally mounted on the first main wall 4 about an axis of rotation X and the second flange 8 is pivotally mounted on the second main wall 5 about said axis of rotation X.
• the receptacle 6 s' extends between the two side walls 4, 5 so as to be pivotally mounted about the same axis of rotation X.
• the receptacle 6 is further arranged at the end of the frame 2 with an opening of the receptacle 6 facing outwardly of the frame 2.
• the receptacle 6 is furthermore arranged so that the axis of rotation X coincides with the axis of articulation of the ankle of the patient P when the foot thereof rests in the receptacle 6. This ensures that the ankle will be able to rotate correctly during the measurement which will allow to have significant measurements. .
• the frame 2 comprises means for immobilizing the foot at the receptacle 6.
• the immobilizing means comprise for example a strap 26.
• the frame 2 comprises means for locking the receptacle 6 in a first position.
• the locking means comprise a first lever 10 which is pivotally mounted at its first end on the receptacle 6. More precisely here the first lever 10 is pivotally mounted about an axis B parallel to the axis of rotation X of the receptacle 6 at the bottom end of the main wall 9.
• the first lever 10 comprises at its second free end a hook 11.
• the frame 2 here comprises a plate 12 arranged between the two side walls 4, 5 at one end of the floor 3 opposite to that where the receptacle 6 is arranged.
• the locking means further comprise a second lever 13, a first end of which is pivotally mounted on said plate 12 along an axis C parallel to the axis of rotation X of the receptacle 6.
• the first end further comprises a hook 14 adapted to cooperate with the hook 11 of the first lever 10 to block the receptacle 6 in the first position.
• the frame 2 comprises an activation member 15 of the locking means so that, when the activation member 15 is not powered, the blocking means are active. and that, when the activation member 15 is energized, the blocking means are non-active and do not block the receptacle 6 which can pivot relative to the frame 2.
• the activation member 15 is for example of the electromagnetic type.
• the frame 2 here comprises a first bar 16 extending transversely between the two side walls 4, 5 so as to be rigidly fixed at each of its ends to one of the side walls 4, 5, respectively.
• a first portion 15a of the activating member 15 is integral with said first bar 16 and is here arranged substantially in the center of said first bar 16.
• a second portion 15b of the activation member 15 is integral with the second end of the second lever 13.
• the two portions of the activation member 15 attract each other so as to be secured to one another.
• the second lever 13 extends parallel to the two side walls 4, 5 between the first portion 15a and the plate 12, the second end of the second lever 13 being secured to the frame 2 via the activation member 15
• the first lever 10 extends between the receptacle 6 and the second lever 13 and substantially perpendicular to the first lever 13, the two hooks 11, 14 cooperating together so that the first lever 10 is secured to the frame 2 via the second lever 13.
• the locking means are arranged so that, in the first position, the main wall 9 of the receptacle 6 extends perpendicular to the floor 3.
• the device 1 is energy efficient since the activation member 15 maintains the first portion 15a and the second portion 15b integral with each other as long as it is not powered.
• a simple electrical pulse is enough to temporarily disable the activation member 15 and allow the tilting of the receptacle 6 from the first position to the second position. Said pulse is here less than one second which makes the device 1 particularly energy-efficient.
• the frame 2 also comprises means for limiting an angular stroke of the receptacle 6 from the first position to the second position.
• the limiting means here comprise a second bar 17 extending transversely between the two side walls 4, 5 so that the main wall 9 abuts on the second bar 17 when the receptacle 6 is in its second position .
• Said means for limiting the angular travel of the receptacle 6 are preferably removable which allows for certain tests, as we shall see below, not to limit the angular travel of the receptacle 6 and thus the plantar flexion of the ankle.
• the second bar 17 is thus removable here.
• the second bar 17 when the second bar 17 is arranged on the frame, the second bar 17 is arranged so that in the second position the main wall 9 extends at most 45 degrees from the floor 3. This maximum value 45 degrees corresponds to an estimate of maximum non-traumatic plantar flexion for most subjects.
• the second bar 17 is arranged so that in the second position the main wall 9 extends substantially 45 degrees from the floor 3.
• the frame 2 is thus arranged so that the first position corresponds to a locked configuration of the receptacle 6 in which the foot extends 90 degrees from the tibia and so that the second position corresponds to an unlocked configuration of the receptacle 6 in which the foot extends substantially to 135 degrees of the tibia that is to say in which the foot is at its maximum non-traumatic plantar flexion for the patient.
• the second bar 17 comprises pins 18 of elastically deformable material, for example rubber, for damping the fall of the receptacle 6 from the first position to the second position.
• the frame 2 comprises means for determining a torque exerted on the receptacle 6 by the foot of the patient P.
• the means for determining a torque here comprise a first force sensor 19.
• Said first force sensor 19 is for example arranged in the center of the first bar 16 in the extension of the first portion 15a of the activation member 15. This makes it possible to measure the force exerted on the receptacle 6 by the foot of the patient P when the receptacle 6 is in its first position, via the first lever 10, the second lever 13 and the activation member 15.
• the means of determining ent the torque exerted on the receptacle 6 by the foot of the patient P By multiplying said measured force by a coefficient taking into account the lengths of the lever arm (ie the distance orthogonal to the force between the hook 11 and the axis C, the distance orthogonal to the force between the axis B and the axis X and the distance orthogonal to the force between the first force sensor 19 and the axis C), the means of determining ent the torque exerted on the receptacle 6 by the foot of the patient P.
• the means for determining a torque here comprise a second force sensor 27.
• Said second force sensor 27 is here arranged at an upper end of the main wall 9, opposite to a lower end of the main wall 9 facing the floor 3.
• the means for determining a torque here comprise a handle 28 which is secured to the second force sensor 27. handle 28 thus extends here to the outside of the frame substantially vertically when the receptacle 6 is in its first position.
• the frame 2 further comprises means for determining an angular displacement of the receptacle 6 relative to the frame 2.
• the means for determining an angular displacement comprise means for measuring an angular displacement of the receptacle 6.
• the measuring means here comprise an angular displacement sensor 20 arranged on the first side wall 4 at the axis of rotation X.
• the frame 2 further comprises means for determining an angular acceleration of the receptacle 6 during an angular displacement of the receptacle 6 relative to the frame 2.
• the means for determining an angular acceleration comprise an accelerometer 22 arranged on one side of the main wall 9 opposite to that intended to receive the sole of the foot.
• the frame 2 comprises means for measuring electromyographic signals.
• Such means comprise, in a manner known per se, non-invasive surface electrodes, (not shown here), to be arranged at the level of the muscles mobilizing the ankle of the patient P.
• the locking means, the activation member 15, the force sensors 19 and 27, the accelerometer 22 and the angular stroke limiting means are arranged so as to be masked by the receptacle 6 when the opening of the receptacle faces the patient P. Only the angular displacement sensor 20, the electrodes and for one embodiment the handle 28 are thus visible by the patient P during tests. This, however, does not obstruct the view of the patient P who can still see his foot in the receptacle 6 only covered with the strap 26.
• the frame 2 is thus compact and simple in appearance which reassures the patient P.
• the locking means, the activation member 15, the force sensors 19 and 27, the handle 28, the accelerometer 22, the angular stroke limiting means and the angular displacement sensor 20 here extend to a height lower than that of the receptacle 6 when the receptacle 6 is in its first position.
• the frame 2 also comprises means for managing the force sensors 19 and 27, the angular displacement sensor 20, the accelerometer 22, the electromyographic signal measuring means and the activation member 15.
• management means advantageously comprise means for conditioning and processing the signals generated by the force sensors 19 and 27, the angular displacement sensor 20, 1 1 accelerometer 22 and the electrodes data usable by the medical body.
• the management means furthermore comprise wireless communication means, for example by a protocol ifi or Bluetooth.
• the device further comprises a remote controller.
• the wireless communication means here communicate with said remote control member.
• the remote control device firstly allows said data to be used by the medical profession in order to complete the processing and to save the data, signals and results, and secondly to send commands to the management means in order to manage the different tests of the data. 'study.
• the control member here is a tablet 30.
• the control member may be a computer, a smartphone or a microcomputer.
• the frame 2 further comprises means for autonomous supply of the frame 2, comprising for example a battery, which can be rechargeable.
• the frame 2 very autonomous.
• the frame 2 does not need to be connected to the mains, which makes it possible to dispense with an associated isolation amplifier. It is recalled that in the medical field, such an amplifier is mandatory when a medical device is used by a patient and connected to the mains.
• the management means and the battery are here placed in two housings 23, 24 which are integral with the floor 3 and which are arranged on either side of the side walls 4, 5.
• the management means, the battery and the two housings 23, 24 are arranged to be set back from the receptacle 6 when the patient P has the receptacle 6 turned towards him. This allows the receptacle to remain the most visible element for patient P.
• the frame 2 is therefore completely autonomous thanks to the battery and the wireless communication means.
• the frame 2 is very small and simple in appearance. The inventors have thus been able to develop a frame 2 whose floor is less than 500 millimeters long and less than 300 millimeters wide with a maximum height (between the floor and the receptacle when the receptacle is in its first position) less than 400 millimeters.
• the frame 2 is therefore of size and mass adapted to its handling by a single person and to be placed in places suitable for the subjects without them needing to change their position. It is noted that not only the frame 2 is portable but that, moreover, by moving the frame, a major part of the device according to the invention is moved since the frame 2 carries the major part of the device determination means.
• the device 1 is therefore ideally suited for the study of physical parameters associated with the ankle joint of bedridden patients since the frame 2 is sufficiently compact and ergonomic to be able to be placed above the patient's bed at the feet of the patients. .
• the device 1 comprises a plate 25 which is here integral with the frame 2, the plate 25 being provided with adjustable feet in height.
• the leg should preferably be in a particular position to obtain more significant data with, when the receptacle 6 is in the first position, a 90-degree angle between the foot and the tibia and an angle of 120 degrees between the femur and the tibia.
• the adjustable feet of the plate 25 it is ensured that the receptacle 6 is always arranged at a height adequate for the leg of the patient P is in said particular position.
• the device 1 comprises interface means with the patient and / or the medical body.
• the interface means preferably comprises a screen 29 on which are indicated the values of the data acquired during tests and / or test instructions that the patient must perform. and which are generated by the tablet 30.
• the device 1 makes it possible to implement numerous tests to acquire signals making it possible to determine various physical parameters associated with the ankle joint.
• the device 1 allows for example to implement the following tests performed in condition of contraction or voluntary muscle relaxation of the ankle by patient P.
• the receptacle 6 is not held blocked by the locking means.
• the second bar 17 is withdrawn so as not to limit the movement of the receptacle 6.
• the patient P simply place his foot in the receptacle 6 without exerting a voluntary effort on the main wall 9.
• the electromyographic signal measuring means can estimate an absence of contraction of the muscles of the ankle of the patient P meaning that the patient P do not press the main wall 9.
• a medical person such as a doctor, a physiotherapist, a physiotherapist ... causes movement of the ankle by manually moving the receptacle 6 at a slow speed to the maximum of plantar flexion and dorsal flexion of the ankle supported by the patient P.
• the person of the medical body uses the handle 28 to move the receptacle 6.
• the passive torque developed by the patient P is then determined to follow the movement of the receptacle 6, to the using the second force sensor 27 and simultaneously the angular position of the receptacle during movement, using the angular displacement sensor 20 and the electromyographic signals with the help of the electrodes. This makes it possible to determine the following parameters: maximum articular ankle amplitude in plantar flexion and dorsal flexion and stiffness of the ankle according to its angular position.
• the receptacle 6 is in its first position.
• the patient P places his foot in the receptacle 6 and bears as strongly as possible on the main wall 9 in a plantar flexion gesture.
• the torque developed by the patient P is then determined with the aid of the first force sensor 19 and the electromyographic signals with the aid of the electrodes. This makes it possible to determine the following parameter: maximum voluntary torque developed by patient P.
• the receptacle 6 is kept locked in its first position.
• the second bar 17 is in place on the frame 2.
• the patient P places his foot in the receptacle 6 and presses in a gesture of plantar flexion on the main wall 9 to reach a constant torque level which is defined by a set torque generated by the tablet 30 and which corresponds to a given percentage of the maximum voluntary torque calculated previously.
• Several instructions are successively generated for the patient P.
• the patient P must place his foot in the receptacle 6 to successively achieve a constant torque level corresponding to 25, 50 and 75% of the maximum voluntary torque.
• the "quick release" test does not make it possible to measure the torque developed by the patient P during the dynamic phase of the test, it is admitted that during the first moments of this phase, at the moment when the acceleration is maximum, the dynamic torque is equal to the static torque developed by the patient P when the receptacle 6 is in the first position, static torque which has therefore been measured. Knowing that the dynamic torque is equal to the product of the inertia of the ankle by the maximum angular acceleration of the ankle, or here of the maximum angular acceleration of the receptacle 6 measured during the dynamic phase, we deduce the inertia by:
• Inertia Static torque measured before unblocking the receptacle 6 / Maximum angular acceleration measured during the dynamic phase
• the musculotendinous stiffness is calculated for a period of 20 milliseconds of dynamic phase after the peak of acceleration consecutive to the unlocking of the receptacle 6 (this duration is deliberately chosen short for avoid that the stretch reflex occurring at the antagonistic muscles occurs during said period which would distort the results, the stretching reflex generally taking place after 30 milliseconds after the peak of acceleration) by the formula:
• Musculotendinous stiffness Inertia. (Angular acceleration variation over the 20 millisecond period / Angular position variation over the 20 millisecond period)
• the receptacle 6 is kept locked in its first position.
• the patient P places his foot in the receptacle 6 and presses in a plantar flexion movement on the main wall 9 to reach a constant torque level which is defined by a torque setpoint generated by the tablet 30 and which corresponds to a given percentage. the maximum voluntary torque calculated previously.
• Several instructions are successively generated for the patient P.
• the patient P must place his foot in the receptacle 6 to successively achieve a constant torque level corresponding to 20, 40, 60 and 80% of the maximum voluntary torque.
• the torque developed by the patient P is determined, using the first force sensor 19, and the electromyographic signal, using the electrodes. From the electromyographic signal for each level of torque developed by the patient P, the function connecting said signal and the pair developed by the patient P is deduced. An index of neuromuscular efficiency is then evaluated. considering the slope of the linear relationship between electromyographic signal and torque.
• the device is used for the study of physical parameters related to the articulation of the ankle of a patient
• the device can be used for the study of physical parameters related to the articulation of the patient. ankle of other categories of person and in particular on subjects not suffering from pathologies.
• the device may comprise additional means for measuring physical parameters related to the articulation of an ankle of the subject such as a neurostimulator or an Achilles tendon percussion system comprising for example a pneumatic hammer.
• additional means for measuring physical parameters related to the articulation of an ankle of the subject such as a neurostimulator or an Achilles tendon percussion system comprising for example a pneumatic hammer.
• the device will thus make it possible to implement other tests based for example on a contraction imposed on the muscles of the ankle by percussion with the percussion system or by electrical stimulation with the neurostimulator (muscular jerk test, Hoffmann reflex test). , tendon reflex test, activation deficit test, ..).
• the additional means will also be carried by the frame, the additional means preferably not obstructing the view of the receptacle for the subject so that the latter can always see his foot, possibly partially covered by the immobilizing means.
• the means for measuring parameters associated with the articulation of the ankle of the subject may be different from what has been described.
• the device may not include measuring means for measuring electromyographic signals.
• the electrodes may be reusable or disposable.
• the means for determining an angular acceleration of the receptacle comprise an accelerometer
• the determination means may not include a sensor but means for calculating the angular acceleration of the receptacle by derivation of the data of the receptacle. angular position provided by the means for determining an angular displacement of the receptacle relative to the frame. In this case, said calculation means may not be carried by the frame but be integrated with the remote control member.
• the means for determining a torque exerted on the receptacle may comprise a torque meter instead of a force sensor.
• Said means for determining a torque may comprise neither handle nor force sensor linked to the handle.
• the means for determining an angular displacement may comprise a goniometer instead of an angular position sensor.
• the receptacle may have another shape than that described.
• the receptacle may for example comprise a bottom wall connecting the two wings and the base of the rider.
• the immobilizing means may comprise a cover that caps the top of the receptacle so that the assembly formed of the receptacle and the lid will form an open shoe at the heel.
• This familiar form of shoe will also be reassuring for the patient especially as, apart from the lid, the patient will see his foot and his ankle throughout the measurement.
• the means for limiting the angular travel of the receptacle are removable, it may be envisaged that these means are non-removable. Whether said means are removable or not, said means may also be movable relative to the frame so as to modify the definition of the second position of the receptacle relative to the frame. It will be possible to adapt the second position for each subject.
• the device comprises a fixed plate of the frame comprising height adjustment means, such as adjustable feet
• the device may have no plate, the frame being directly arranged on a support or on a plate independent of the device.
• the device may comprise a non-integral plate of the frame but on which the frame rests.
• the tray may also include temporary fastening means to the frame.
• the management means may include storage means conditioned data and processed by the processing means.
• the locking means may be different from what has been described.
• the first lever and the second lever may not extend perpendicular to each other.
• the receptacle may be removable. It will thus be possible to replace the receptacle with another receptacle of size and / or shape more adapted to the subject concerned. For example, we can consider a first receptacle size for adults and a second size receptacle for children. In the case of a child receptacle, the receptacle may not completely hide the various elements carried by the frame because of its lower height. Nevertheless, the different elements will still be arranged behind the receptacle which will make the building unimpressive for children.
• the frame may include an actuating member of the receptacle, such as a motor, for a motorized movement of said receptacle.
• an actuating member of the receptacle such as a motor
• said member can then be temporarily disabled so that the receptacle remains manually movable by the subject or a medical person to perform other types of tests.
• the frame may include a cover extending between the two side walls of the frame above the floor which will cover the various elements arranged behind the receptacle.
• the cover may be pivotally mounted on one of the side walls to allow access to these different elements.
• the frame may include a larger number of walls to cover the various elements of the frame so that only the receptacle is visible to the subject.
• the entire frame will be protected by a speaker. Only the receptacle will be visible to the subject.

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• 2014
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• 2015
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  • 2015-09-28 WO PCT/EP2015/072205 patent/WO2016050666A1/fr not_active Ceased
  • 2015-09-28 US US15/515,232 patent/US20170209086A1/en not_active Abandoned

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