EP4051187A1 - Stimulatorenträgervorrichtung und vorrichtung zum stimulieren von nervenzellen - Google Patents

Stimulatorenträgervorrichtung und vorrichtung zum stimulieren von nervenzellen

Info

Publication number
EP4051187A1
EP4051187A1 EP20800728.6A EP20800728A EP4051187A1 EP 4051187 A1 EP4051187 A1 EP 4051187A1 EP 20800728 A EP20800728 A EP 20800728A EP 4051187 A1 EP4051187 A1 EP 4051187A1
Authority
EP
European Patent Office
Prior art keywords
stimulator
stimulators
carrier
nerve cells
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20800728.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Martin BRANDSTÄTTER
Bernhard Zach
Andreas Mühlenberend
Aaron PITSCHL
Rainer Schultheis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saphenus Medical Technology GmbH
Original Assignee
Saphenus Medical Technology GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saphenus Medical Technology GmbH filed Critical Saphenus Medical Technology GmbH
Publication of EP4051187A1 publication Critical patent/EP4051187A1/de
Pending legal-status Critical Current

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Classifications

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    • A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
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Definitions

  • the invention relates to a stimulator carrier device according to claim 1 and a device for stimulating nerve cells according to claim 9.
  • a total of six pressure sensors were arranged in the heel area, in the middle area, in the forefoot area and in the toe area.
  • a pressure sensor was arranged along the gait line of a human foot sole and one of the adapted artificial foot sole of a leg prosthesis, in six gait line-typical sole sections of the artificial foot sole. This pressure sensor is via a data connection and a control with a nerve-stimulating forehead ulator / (actuator) for
  • a gait line extends at least from the lateral edge of the heel to the big toe of the sole of the foot. Sole sections typical of the gait line extend thus also from the heel edge to the toes and can be arranged, for example, parallel to the gait line.
  • WO 2019/025838 A1 discloses a device which now assigns at least two sensors, namely a first sensor and a second sensor or an n-th sensor, to each sole section typical of a gait line. These are each connected to a stimulator via a data link and a controller.
  • a stimulator via a data link and a controller.
  • not only one information source for example a pressure sensor, but at least two information sources are available for each section of the sole, and not only one stimulation source that acts digitally is available for each section of the sole, but at least two that now work not digitally, but analog.
  • These stimulators can specifically stimulate the nerve area of the patient that is typical for physionomy.
  • WO 03/086235 A2 discloses a device for monitoring an imbalance condition of a patient.
  • a number of sensors are used on the patient's own sole to measure whether the patient is in a state of equilibrium.
  • the multiple sensors are connected to multiple stimulators via a signal evaluation device so that, in the event of an imbalance, the imbalance signals generated by the signal evaluation device are transmitted to the multiple stimulators.
  • the plurality of stimulators are arranged on the outside on a band and are arranged on an extremity during use, so that the patient is informed of the imbalance state.
  • the object of the present invention is therefore to at least partially eliminate the disadvantages of the prior art and, in particular, to eliminate them universally to create replaceable stimulator carrier device with several stimulators for reproducible transmission of stimulation signals as feedback signals to a user, and to create a universally applicable device for stimulating nerve cells.
  • the inventive stimulator carrier device for stimulating nerve cells comprises a carrier base in which several stimulators for delivering stimulation signals to the nerve cells are arranged, the several stimulators being arranged along a line in the carrier base and the carrier base being tubular.
  • a tube-shaped carrier base is understood to be a container which has at least one carrier base opening so that the multiple stimulators can be circumferentially protected.
  • this stimulator carrier device is not used for the mere acquisition or processing of measured signals which are to be fed to a user by means of a feedback device.
  • This stimulator carrier device enables a reproducible transmission of stimulation signals as feedback signals to a user in a first information channel - regardless of the type of measurement signals obtained and regardless of the purpose of the measurement signal value recording.
  • This stimulator carrier device can thus be used in a wide range of applications and can be used universally.
  • the stimulator carrier device is used to stimulate nerve cells on an extremity of the user, so that this device can be used not only as a bionic prosthesis, but also as a bionic orthosis.
  • the stimulator carrier device can be used in particular for use as bionic prosthetics, but also to support patients / users with polyneuropathy or the like, for sports medicine purposes but also only for pure amusement purposes. Polyneuropathy often occurs in diabetics and is characterized by a loss of sensation in the feet. Pressure points lead to open or sore feet, which are difficult to heal.
  • the multiple stimulators arranged along a line and in the carrier base are advantageously arranged one behind the other or directly next to one another.
  • the stimulator carrier device is thus constructed in a compact and space-saving manner, so that it can be combined with different everyday objects, such as a belt or a headband or the like.
  • the plurality of stimulators arranged along a line and in the support base are arranged along a straight line.
  • the stimulator carrier device is thus constructed in a compact and space-saving manner, with the position of the multiple stimulators each being exactly placeable and adjustable.
  • the carrier base preferably encloses the plurality of stimulators at least in sections, as a result of which this carrier base fulfills the function of an encapsulation at least in regions, so that these can be protected particularly well.
  • the carrier base can preferably be moved flexibly.
  • the stimulator carrier device and the multiple stimulators arranged in the carrier base can thus be placed on the user in a simple and uncomplicated manner.
  • the flexibly movable support base is made of a fabric material and can therefore be conveniently used by the user.
  • the plurality of stimulators are tactile stimulators.
  • Tactile stimulators can be controlled in a simple and step-like manner and especially when they are connected to a control device.
  • the stimulation frequency, the simulation intensity, the stimulation time or the stimulation channel of the individual stimulators can be controlled, in particular differently. Tactile stimulators are safe and practical, and powerful at the same time.
  • the multiple stimulators are preferably vibrators.
  • Conventional vibration generators such as a Vibracall element, can thus be used as stimulators for nerve cell ends.
  • a Vibracall element has so far typically provided for a noise development during the vibration process or during the oscillation process or provides a humming noise development.
  • the use of Vibracall elements is known to make a mobile phone vibrate as a whole so that a wearer can hear an incoming call even if he does not hear a ring tone. Accordingly, the user of the stimulator carrier device can perceive a stimulation, possibly even without hearing a noise.
  • the multiple stimulators each have at least one eccentric element, so that the nerve cell ends can be stimulated easily.
  • the respective eccentric element puts the respective stimulator in a vibrating state.
  • the vibration is caused by the alternating centripetal force of the eccentric element. Since the center of mass of the eccentric element on the drive shaft of the stimulator is not arranged in the center of the axis, an imbalance arises which affects the smoothness of the drive and sets the stimulator in vibration. The further the center of mass of the eccentric element is away from the axis of rotation and the greater the mass and the rotational speed, the greater the centripetal force and thus the amplitude of the vibration of the stimulator.
  • At least some of the plurality of stimulators each have at least one vibration element, as a result of which the stimulation of the nerve cell ends can be carried out easily.
  • the vibration element puts the at least one stimulator in a vibrating state.
  • the oscillation is generated by the oscillation element, the respective oscillation element being accelerated via a short electromagnetic pulse and then being moved back into its original position via a spring unit.
  • the resulting mass moment of inertia causes a simple harmonic oscillation.
  • the plurality of stimulators preferably each have a drive motor for rotationally driving the respective eccentric element, so that the eccentric element can be set in rotation.
  • the plurality of stimulators have a drive actuator for driving the vibration element in an oscillating manner, so that the respective oscillation element can be set into harmonic oscillation.
  • the support base is preferably elastic.
  • the stimulator carrier device and the multiple stimulators arranged in the carrier base can thus be applied to the user in a positionally secure and reproducible manner.
  • the elastic support base is made of a rubber material so that it can be returned to a dimensionally stable state after deformation, so that the stimulator support device sits securely on the extremity or on the part of the body of the user.
  • the carrier base preferably consists of a fabric structure which easily adapts to the user or his extremity.
  • the carrier base is thus comparable to an item of clothing and is very comfortable to wear.
  • the plurality of stimulators preferably consist of a liquid-tight material. In this way, at least the plurality of stimulators are fluid-resistant and therefore long-lasting.
  • the carrier base consists of a liquid-tight material. An undesired uptake of liquid by the support base, which could lead to an undesired change in position of the stimulators in the support base, can thus be prevented.
  • the multiple stimulators or the support base are coated with a liquid-tight material. In this way, undesired absorption of liquid by the multiple stimulators or the carrier base can be prevented, so that the field of application of the
  • Stimulator support device is further improved.
  • the carrier base preferably has a connection section, so that the energy (current / voltage) for the plurality of stimulators can be conducted to a section known and defined for the user in the carrier base. This simplifies the handling of the stimulator carrier device for the user, so that the user can place the stimulator carrier device well even in difficult situations.
  • the multiple stimulators are preferably each connected to at least one connecting line which is connected to a control device for generating control commands for stimulation signals for driving the stimulators, the at least one connecting line leaving the carrier base in the area of the connection section.
  • the multiple stimulators are controlled with the control device.
  • the control device contains a processor or a computing unit with several control programs including different control commands, whereby the several stimulators can be controlled systematically.
  • the multiple stimulators are each connected to at least one connecting line which is connected to a supply device for driving the multiple stimulators, the at least one connecting line leaving the carrier base in the area of the connection section.
  • the utility provides the energy (current / voltage) for the multiple stimulators, so that the longest possible operating time of the stimulator carrier device is made possible.
  • An interface unit is preferably provided for disconnecting the at least one connecting line from the control device and / or the supply device.
  • An interface unit can be, for example, a plug connection, a clip connection or a bayonet lock connection which enables the at least one connection line from the control device and / or supply device to be detachably connected.
  • the interface unit can advantageously be connected to different adapters so that, for example, plugs with different standards can be connected to the interface unit.
  • a 2-pin or a 3-pin or a multi-pin connector can be electrically connected to the adapter or to the interface unit.
  • Control devices with different control programs can thus be connected to the stimulator carrier device.
  • Each of the plurality of stimulators is advantageously connected to a connecting line which is connected to the control device for generating control commands for stimulation signals for driving the respective stimulator. This means that the multiple stimulators can each be controlled separately with control commands.
  • Each of the plurality of stimulators is advantageously connected to a connecting line which is connected to the supply device for driving the stimulators. This means that the multiple stimulators can each be supplied with energy separately.
  • the supply lines are advantageously bundled and arranged on the connection section with the aid of a rigid feed line.
  • the rigid supply line serves as a kink protection in order to prevent the supply lines from kinking in the area of the connection section.
  • the multiple stimulators each advantageously have a feedback unit for generating a feedback signal to the user.
  • the feedback signal of the feedback unit shows the user (at least for training purposes), via a further information channel, stimulation signals which are transmitted to the multiple stimulators by the feedback unit.
  • these feedback signals are acoustic or visual signals.
  • the aim is not necessarily to show the patient which signals are recorded on the sole of the foot, but rather which signals the stimulator is trying to transmit or communicate to the user. This can be done for example via Bluetooth®, WLAN or, in particular, via a mobile phone as an interface.
  • the control device preferably has an arithmetic unit, wherein the arithmetic unit can be designed to have different control programs, with the control modes with different control commands that can optionally be called up individually depending on the respective control mode.
  • the multiple stimulators can thus be controlled with control commands according to at least one control program.
  • different movement sequences such as a running movement, walking movement, mountain climbing movement, etc., can be activated in the control device and their assigned control commands can be transmitted to the multiple stimulators so that the user can be trained in this regard.
  • the control device is preferably designed to control the multiple stimulators with the aid of at least one curve-based sensor signal of at least one sensor in such a way that a stimulation typical of physionomy can be transmitted to the nerve cells of the user, in particular to the nerve cells of a physically present extremity of the user.
  • the stimulator carrier device can thus be used as a training device or as a prosthesis and / or in a prosthesis.
  • a trajectory-based sensor signal or a sequence of several trajectory-based sensor signals are generated on the basis of information in the area of the trajectory-typical sole sections of the human foot sole or a io artificial sole of the foot from the sensor arranged there, in particular from a pressure sensor.
  • control device has a memory unit. Control programs with different control commands can be stored in the memory unit, which can thus be easily called up by the control device.
  • the control device is preferably designed to control the multiple stimulators with the aid of multiple graph-based sensor signals of at least one sensor or multiple sensors in such a way that a physiotherapy-typical stimulation can be transmitted to the user's nerve cells, in particular to the nerve cells of an extremity of the user.
  • the carrier base preferably has a receiving area on which further stimulators can be positioned. Additional stimulators can thus be positioned in the carrier base so that the stimulator carrier device can be adapted to the individual needs of the user.
  • the further stimulators are preferably designed identically to the plurality of stimulators. This means that they can be positioned easily and by the user himself in the receiving area, so that the maintenance of the stimulator carrier device can be carried out by the user himself.
  • the stimulators of the stimulator carrier device are connected to an augmented reality device in order to enable the user to perform better training.
  • an avatar can use a display device to suggest an ideal movement sequence to the user so that the user's needs, such as training progress or improved gait analysis, can be quickly reached.
  • a device according to the invention for stimulating nerve cells comprising a stimulator carrier device as described here and a fastening device for Positioning the stimulator support device on the nerve cells of a user.
  • the stimulator carrier device is used to stimulate nerve cells on an extremity of the user, so that this device can be used not only as a bionic prosthesis, but also as a bionic orthosis.
  • the stimulator carrier device can be used in particular for use as bionic prosthetics, but also to support patients / users with polyneuropathy or the like, for sports medicine purposes but also only for pure amusement purposes.
  • the fastening device is a cuff or a prosthesis.
  • a cuff allows a flexible and elastic
  • a prosthesis supports a fixed and thus reproducible positioning of the stimulator carrier device.
  • the stimulator carrier device can preferably be releasably positioned on the fastening device.
  • the stimulator carrier device can thus, for example, be separated from the device and electrically connected to a computer or a tablet in order to save simulation signal data, which can be located in the storage unit.
  • the stimulator carrier device is stationary on the
  • Fastening device can be positioned so that the
  • Stimulator carrier device is arranged in a stable position in the device, whereby a secure transmission of the stimulation signals can be guaranteed.
  • the stimulator carrier device can be positioned on the fastening device in a dimensionally stable manner.
  • the stimulator carrier device is glued or sewn to the fastening device, which also enables limited flexibility despite the dimensional stability.
  • the fastening device is preferably elastic and / or flexible, as a result of which the field of application of the device with the stimulator carrier device can be further enlarged.
  • the fastening device preferably consists of a further fabric structure, as a result of which the carrier base of the stimulator carrier device described here can be easily sewn and is thus firmly attached to the fastening device.
  • the further tissue structure of the fastening device has a different tissue structure to the carrier base of the stimulator carrier device. Different tissue structures have different functional properties, so that, for example, the tissue structure of the carrier base is designed to arrange the multiple stimulators on the extremity in a reproducible manner.
  • the further fabric structure of the fastening device can be designed to be elastic in order to simplify the arrangement of the device on the user.
  • the further tissue structure is the same as the tissue structure of the support base of the stimulator support device.
  • the device can thus be manufactured inexpensively.
  • the fastening device preferably has a receiving section for receiving a control device for the stimulator carrier device.
  • the control device can thus be positioned close to the device in order to reliably transmit the control commands to a plurality of stimulators.
  • the fastening device has a receiving section for receiving a supply device for the stimulator carrier device.
  • the supply device can thus be positioned close to the device in order to enable an operationally reliable energy supply.
  • the user is thus provided with a section on which he can repeatedly arrange the supply device.
  • the receiving section preferably has a receiving container in which the control device and / or the supply device can be arranged in a simple and detachable manner. This can increase the user friendliness.
  • a display device is preferably present, the display device being connectable to the control device.
  • the display device can be a mobile phone, in particular a smartphone or a smart tablet, or can also be arranged as a screen in the fastening device, the fastening device comprising at least one touchscreen.
  • At least one item of information indicative of the stimulation signals of the plurality of stimulators can preferably be set with the aid of the display device.
  • indicative information the stimulation frequency, the simulation intensity, the stimulation time or the stimulation channel are used to set the respective multiple stimulators.
  • maximum values or minimum values for the aforementioned examples for indicative information can be set with the aid of the display device.
  • the display device is advantageously designed as a gait analysis device in order to monitor the physiology-typical walking with the human foot or with an artificial foot, so that a qualitative check of a movement of the user is possible and gives the user at least one feedback signal.
  • the gait analysis device can be allowed to intervene in the feedback signaling in order to influence the control of the sequence of movements.
  • the gait analysis device can, for example, be integrated as an application in a mobile phone and / or emit an acoustic signal to the user.
  • the indicative information can advantageously be set in such a way that entire control programs can be created and existing control programs can also be modified with the aid of the display device.
  • an acoustic signal and / or a visual signal can be generated, which can be displayed on the display device or can be emitted by a loudspeaker of the device.
  • the fastening device is preferably a headband, or a bracelet, or a glove, or a belt, or a garter belt, or a prosthesis socket.
  • the stimulator carrier device can thus be used universally and flexibly.
  • Stimulator carrier device in a perspective
  • FIG. 2 shows a further embodiment of the inventive
  • Stimulator carrier device in a perspective
  • FIG. 3 shows a first embodiment of a device according to the invention with a stimulator carrier device according to FIG. 1 for a human foot in a perspective illustration
  • FIG. 4 shows a second embodiment of the device according to the invention with a stimulator carrier device according to FIG. 2 for an artificial prosthesis in a perspective view
  • 5 shows a further embodiment of the device according to the invention with a stimulator carrier device according to FIG. 1 in a perspective illustration
  • FIG. 6 shows a further embodiment of the device according to the invention with a stimulator carrier device according to FIG. 1 in a perspective view
  • FIG. 7 shows a further embodiment of the device according to the invention with a stimulator carrier device according to FIG. 2 in a perspective view
  • FIG. 8 shows a stimulator for the stimulator carrier device according to FIG. 1 or according to FIG. 2.
  • Fig.10 shows the arrangement of Fig.9 connected to the interface or to the control device.
  • FIG. 11 shows the arrangement from FIG. 9 mounted in a liner for an amputation stump.
  • FIG. 12 shows a variant of the structure according to FIG. 11, the stimulators being cast directly into the material of the liner and thus being connected to it in one piece / inseparably without an intermediate carrier.
  • Fig.l shows a stimulator carrier device 15 for stimulating nerve cells on a skin area of a user B.
  • the stimulator carrier device 15 comprises a carrier base 20 in which a plurality of stimulators 21, 22, 23, 24 for delivering stimulation signals to the nerve cells are arranged.
  • the plurality of stimulators 21, 22, 23, 24 are along a line and spaced from each other in the support base 20, wherein the support base 20 is tubular and thus encloses the stimulators 21, 22, 23, 24 at least in sections.
  • the support base 20 is a container which has at least one support base opening 28.
  • the carrier base 20 has a receiving area 26 on which further stimulators 25 can be positioned. These further stimulators 25 can be arranged by the user B in the receiving area 26 of the support base 20, if necessary.
  • four stimulators 21, 22, 23, 24 are arranged along a line within the carrier base 20, which are positioned one behind the other or directly next to one another, the carrier base 20 being elastic or made of an elastic material, for example rubber or fabric .
  • the carrier base 20 has a fabric structure which adapts easily to the user or his extremity.
  • the plurality of stimulators 21, 22, 23, 24 are coated with a liquid-tight material. In this way, liquid absorption by the multiple stimulators 21, 22, 23, 24 can be prevented.
  • the multiple stimulators 21, 22, 23, 24 are each with
  • Connecting lines 31, 32, 33, 34 electrically connected, which leave the support base 20 at a connection section 27 of the support base 20.
  • the supply lines 31, 32, 33, 34 are bundled and arranged on the connection section 27 with the aid of a rigid supply line 30.
  • the connecting lines 31, 32, 33, 34 open into an interface unit 40, which is designed as a detachable 2-part plug connection.
  • the interface unit 40 has further connecting lines 31a, 32a, 33a, 34a, which electrically connect the interface unit 40 to a control device 50 and to a supply device 60 for driving the stimulators 21, 22, 23, 24, for example a battery or an accumulator.
  • the control device 50 is for generating control commands for stimulation signals for driving of the stimulators 21, 22, 23, 24.
  • the control device 50 has a computing unit 51 and a memory unit 52.
  • the arithmetic unit 51 is designed to have different control programs with the control modes, with different control commands that can be called up, if necessary individually, depending on the respective control mode.
  • the multiple stimulators can thus be controlled with control commands according to at least one control program.
  • the control programs with different control commands, which can be called up by the control device 50 or by the computing unit 51, are stored in the memory unit 52.
  • FIG. 2 shows a stimulator carrier device 75 for stimulating nerve cells on a skin area of a user B as a further embodiment of the stimulator carrier device 15 according to FIG. 1.
  • This stimulator carrier device 75 has largely the same features or components as already shown above.
  • the stimulator carrier device 75 has a carrier base 80 in which several stimulators 81, 82, 83, 84 are positioned, the several stimulators 81, 82, 83, 84 being electrically connected with connecting lines 85, 86, 88, 89.
  • the connecting lines 85, 86, 88, 89 leave the carrier base 80 at the connection section 87 of the carrier base 80 and are electrically connected to the interface unit 40 according to FIG. 1 described above.
  • the support base 80 can be moved flexibly.
  • the stimulator carrier device 75 and the multiple stimulators 81, 82, 83, 84 arranged in the carrier base 80 can thus be easily placed on the user B.
  • the flexibly movable support base 80 is made of a fabric material and has a fabric structure which is made of a liquid-tight material. In this way, undesired absorption of liquid by the carrier base 80 can be prevented.
  • FIG. 3 shows a first embodiment of a device 100 for stimulating nerve cells with a stimulator carrier device 15 as described in FIG. 1.
  • the device 100 has a fastening device 115 designed as a flexible or elastic cuff 116 for positioning the stimulator carrier device 15 on the nerve cells a skin area of an extremity of a user B, which can be used, for example, as a bionic orthosis on a human foot.
  • the device 100 including the stimulator carrier device 15 can be used as bionic prosthetics, but also to support user B with polyneuropathy or the like, for sports medicine purposes but also only for pure amusement purposes.
  • the stimulator carrier device 15 is detachably positioned on the cuff 116 and can thus be separated from the device 100.
  • the cuff 116 consists of a further fabric structure which is constructed in the same way as the fabric structure of the support base 20 of the stimulator support device 15.
  • the fastening device 115 has a receiving section 120 for receiving a control device 50 and has a supply device 60 for the stimulator carrier device 15.
  • a receptacle 122 is provided on the receiving section 120, in which the control device 50 and the supply device 60 can be received.
  • the control device 50 is electrically connected to sensors 145 for the transmission of sensor signals with the aid of a sensor line 155, the sensors 145 being arranged on the sole of the foot of the user B or on a shoe or a stocking on the user B.
  • the control device 50 is designed to control the multiple stimulators 21, 22, 23, 24 of the stimulator carrier device 15 with the aid of curve-based sensor signals from the sensors 145, which are designed, for example, as pressure sensors, in such a way that a physiotherapy-typical stimulation is applied to the nerve cells of user B, in particular to the nerve cells of an extremity of user B, is transferable.
  • the display device 130 is also a display device 130, the display device 130 being connected to the control device 50 by radio signal 125.
  • the display device 130 is a smartphone which has a touchscreen.
  • the information indicative of the stimulation signals of the plurality of stimulators 21, 22, 23, 24 can be set with the display device 130.
  • the stimulation frequency, the simulation intensity, the stimulation time or the stimulation channel can be changed by the user B in order to set the respective plurality of stimulators 21, 22, 23, 24.
  • the display device 130 is designed as a gait analysis device in order to monitor the physionomy-typical walking with the human foot, so that it allows a qualitative check of a movement sequence of the user B and gives the user B at least one feedback signal.
  • the gait analysis device is allowed to intervene in the feedback signaling in order to influence the control of the sequence of movements.
  • the gait analysis device is integrated as an application in the smartphone and emits an acoustic signal to user B.
  • the multiple stimulators 21, 22, 23, 24 of the stimulator carrier device 15 are connected to an augmented reality device, which is integrated in the display device 130, in order to enable the user B an improved training.
  • an avatar can use a display device 130 to suggest an ideal movement sequence to user B.
  • FIG. 4 shows a device 200 for stimulating nerve cells on a skin area of the extremity of a user B as a further embodiment of the device 100 according to FIG Device 100 shown.
  • the device 200 has a fastening device 215 designed as a prosthesis shaft 216 of a prosthesis 240.
  • the device 200 has the stimulator carrier device 75 according to FIG. 2, which is positioned in a stationary manner on the fastening device 215.
  • the control device 50 is electrically connected to the sensors 245 for transmitting sensor signals with the aid of a sensor line 255, the sensors 245 being arranged on the artificial foot or the prosthesis 240 and being pressure sensors.
  • the sensor line 255 is guided within the prosthesis 240.
  • the plurality of stimulators 81, 82, 83, 84 of the stimulator carrier device 75 are, as previously described, with Connecting lines 85, 86, 88, 89 are electrically connected to the control device 50.
  • the control device 50 is connected with the aid of the radio link 125 to the display device 130 for exchanging control commands for the multiple stimulators 81, 82, 83, 84.
  • a receiving section with a receiving container 222 is provided on the prosthesis socket 216, in which the control device 50 and the supply device 60 can be received.
  • the display device 130 is designed as a gait analysis device in order to monitor the physiology-typical walking with the artificial foot, so that it allows a qualitative check of a movement sequence of the user B and gives the user B at least one feedback signal.
  • new control commands or control programs for the multiple stimulators 81, 82, 83, 84 of the stimulator carrier device 75 can be created and existing control programs can also be modified with the aid of the display device 130.
  • the display device 130 creates, for example, an acoustic signal and / or a visual signal, which is shown to the user B with the aid of the display device 130 or is emitted by a loudspeaker of the device 200.
  • the multiple stimulators 81, 82, 83, 84 each have a feedback unit for generating a feedback signal to user B (not shown).
  • FIG. 5 shows a device 300 for stimulating nerve cells on a skin area of a user B as a further embodiment of FIG
  • the device 300 has largely the same features or components as already shown above.
  • the device 300 has a stimulator carrier device 15 according to FIG. 1, the fastening device 315 being a belt 316.
  • FIG. 6 shows a device 400 for stimulating nerve cells on a skin area of a user B as a further embodiment of FIG
  • FIG. 3 shows a device 500 for stimulating nerve cells on a skin area of the extremity of a user B as a further embodiment of the device 200 according to FIG. 4.
  • This device 500 has largely the same features or components as already shown above.
  • the device 500 has a first stimulator carrier device 75 according to FIG. 2 and a further stimulator carrier device 76, which has largely the same features or components as the stimulator carrier device 75 according to FIG. 2, the fastening device 515 being a glove 516.
  • the presently described stimulator carrier device 15 according to FIG. 1 and stimulator carrier device 75 according to FIG. 2 can also be combined with one another and arranged on a further fastening device. In addition to the fastening devices shown, this can also be a headband or a garter belt.
  • the vibrator 610 has a housing 616 which is arranged with a fastening unit 613 in the support base 20 or 80.
  • An eccentric element 619 is arranged in the housing 616.
  • the eccentric element 619 is rotatably or rotatably arranged on the drive shaft 617 in the drive direction 618.
  • the vibration of the vibrator 610 is caused by the eccentric element 619 via the alternating centripetal force of the eccentric element 619.
  • the center of gravity of the eccentric element 619 on the drive shaft 617 of the vibrator 610 is not arranged in the center of the axis, an imbalance arises which affects the smoothness of the eccentric element 619 (creates an uneven running) and sets the vibrator 610 in vibration.
  • the drive motor 620 is connected to the drive shaft 617 for this purpose.
  • the vibrator 610 is designed as a button cell.
  • the drive shaft 617, the eccentric element 619 and the drive motor 620 are arranged within the housing 616, which is cylindrical.
  • the drive motor 620 is electrically connected to the interface unit 40 described above using the connection line 31 and to the connection line 31a, the control device 50 and the supply device 60.
  • the stimulation frequency, the simulation intensity, the stimulation time or the stimulation channel of the vibrator 610 can be controlled.
  • FIG. 9 shows a stimulator carrier device 15a which is equipped with stimulators 21, 22, 23, 24, at most 25 for stimulating nerve cells on a skin area of a user.
  • Stimulator carrier device 15a comprises a carrier base 20a in which a plurality of stimulators 21, 22, 23, 24 for delivering stimulation signals to the nerve cells are arranged.
  • the multiple stimulators 21, 22, 23, 24, at most 25, are arranged along a line and spaced apart from one another in the support base 20a, the support base 20 being tubular in that a tubular tab 120a is provided for each stimulator and thus the stimulators 21 , 22, 23, 24 at least in sections.
  • the carrier base 20a is thus a container which has at least one carrier base opening 28a.
  • the carrier base 20a has a receiving area 26a on which further stimulators 25 can be positioned. These further stimulators 25 can, if necessary, be arranged by the user in the receiving area 26 of the support base 20a.
  • the carrier base 20a is elastic or made of an elastic material, for example rubber or fabric, consists.
  • the carrier base 20a has a durable fabric structure, for example, which can be easily adapted to the user or his extremity.
  • the plurality of stimulators 21, 22, 23, 24 are coated with a liquid-tight material or, together with their support base 20a, in a plastic (or
  • Rubber liner is poured in a liquid-tight manner (see Fig. 11 or 12). In this way, liquid absorption by the multiple stimulators 21, 22, 23, 24 can be prevented.
  • the stimulators in FIGS. 9-12 are transverse and have tubular tabs 120a. This has the advantage that the longitudinal extension of the stimulator area is somewhat shortened. If the stimulators are then also firmly connected to a liner, as shown in FIGS. 11 and 12, they hinder the liner as little as possible, so that it can be rolled up, as previously, to be pulled over the stump or removed from a stump can be.
  • FIG. 10 shows the structure of FIG. 9, it being connected to a control device 50 via interface 40. Basically no change to the structure according to the figures described above.
  • FIG. 11 shows - as already mentioned - the integration or fastening of a support base directly on or in a liner for a patient's stump.
  • FIG. 12 goes one step further towards integration, in that the liner itself takes over the function of the carrier base 20a and accommodates the stimulators 21-24 cast in the correct position.
  • the stimulator carrier device is therefore denoted by 15b in FIG. 12, since in this regard it is differentiated from the structures according to FIGS. 9-11.
  • FIG. 11 can also be completely cast in the liner.
  • the liner takes on an important function in connecting the prosthesis to the residual limb, and this is still being done enriched with the fact that according to the invention the stimulation signaling was integrated there at the same time.
  • Interface unit 40 and control unit 50 correspond to the components described so far with these reference symbols
  • Receiving section a tubular tab as a receiving section

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EP20800728.6A 2019-10-31 2020-10-30 Stimulatorenträgervorrichtung und vorrichtung zum stimulieren von nervenzellen Pending EP4051187A1 (de)

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