EP4381522A1 - Verfahren zur anwesenheitsüberwachung und umgebungsüberwachung in einem krankenhauszimmer - Google Patents
Verfahren zur anwesenheitsüberwachung und umgebungsüberwachung in einem krankenhauszimmerInfo
- Publication number
- EP4381522A1 EP4381522A1 EP22761408.8A EP22761408A EP4381522A1 EP 4381522 A1 EP4381522 A1 EP 4381522A1 EP 22761408 A EP22761408 A EP 22761408A EP 4381522 A1 EP4381522 A1 EP 4381522A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lighting
- hospital room
- person
- monitoring
- control
- 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
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 27
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 10
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 230000007613 environmental effect Effects 0.000 claims description 29
- 238000011156 evaluation Methods 0.000 claims description 11
- 238000004590 computer program Methods 0.000 claims description 10
- 239000003086 colorant Substances 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 8
- 230000000977 initiatory effect Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 208000001644 thecoma Diseases 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
Definitions
- the present invention relates to a method for monitoring presence and surroundings in a hospital room. Furthermore, the invention relates to a system for presence monitoring and environment monitoring in a hospital room and a computer program.
- the document TW 2010 11943 A discloses in particular a lighting system to depict the color spectrum of the course of the day. In other words, the same is disclosed in document CN 105 612 816 A.
- the document CN 209 475 343 U discloses in particular a recovery system for patients from the coma.
- Document CN 108 427 460 A discloses a system for monitoring the quality of the environment in hospitals. More specifically, the system includes an air monitoring module having a temperature sensor, a humidity sensor, a volatile organic concentration sensor, a CO2 concentration sensor, and a particulate matter concentration sensor in the air.
- Document CN 106 354 172 A discloses temperature control in hospitals.
- the publication EP 3 335 632 A1 discloses a device for the combined detection of several signs of life such as breathing activity, heartbeat activity and monitoring of the movement of the patient. Furthermore, it is clear from the publication
- CONFIRMATION COPY that motion monitoring is of interest, for example, for patients in the recovery room after anesthesia or for patients in a coma.
- a disadvantage of the known solutions is that presence monitoring or environmental monitoring is only possible to a limited extent.
- An output of the presence and environment monitoring is often only cumbersome or not recognizable at all in many situations.
- presence monitoring is too unreliable in many cases, i. H. for example, that false detections occur frequently.
- the output of the environmental quality in document CN 108 427 460 A is displayed via a monitoring terminal, which can be more error-prone or entail more technical effort, and also requires a longer reading.
- Another problem is that reading from a greater distance is no longer possible.
- no action takes place based on a detection of a movement, so that the presence detection can only be used to a limited extent.
- the object is achieved in particular by a method for monitoring the presence and monitoring of the surroundings in a hospital room, comprising:
- a hospital room refers here in particular to a room in which patients are accommodated during their inpatient medical treatment in a hospital.
- a person is understood to mean, in particular, a person relevant to the treatment of a patient, for example medical staff, and a device in particular to mean a device relevant to the treatment of the patient, for example a defibrillator, and/or also a device which person carries (e.g. a mobile device such as a smartphone, an ID card or the like).
- presence monitoring is understood to mean in particular that the hospital room is monitored to determine whether a relevant person and/or a relevant device is in the hospital room at a given point in time.
- This relevance can exist, for example, when the person is a medical staff member or the device is a medical device.
- a detection can be carried out with a specific frequency in order to be able to detect a radio transmitter with this frequency.
- a marking is to be understood in particular as such a radio transmitter.
- a Bluetooth beacon or a ZigBee end device, for example, is conceivable as the marking.
- the marking can be detected via a Bluetooth or an NFC reader, where NFC stands for Near Field Communication.
- An NFC or Bluetooth reader may be located at or near a patient's bedside or near the hospital room entrance.
- the reading device can advantageously be part of a system according to the invention, in particular a detection device.
- Ambient monitoring is understood in particular to mean that the hospital room is monitored with regard to at least one defined parameter, the at least one parameter being able to represent a physically measurable variable, such as a carbon dioxide concentration, a temperature or a volume.
- a measurement of these parameters is carried out in particular, it being possible for at least one sensor to be used for the measurement.
- at least one sensor it is conceivable that several sensors are combined to form a sensor system.
- the environmental monitor can monitor the parameter in the ambient air of the hospital room.
- Control means in particular that incoming information, which is provided for example by the recording monitoring and/or by the environmental monitoring, is first forwarded to a control device.
- the incoming information can be generated as a function of the detection and/or measurement carried out, and can in particular be information about a result of the detection and/or the measurement.
- the control can also be carried out as a function of an evaluation of patient data, in particular medical data. For example, it is conceivable that an evaluation of a heartbeat or an oxygen saturation of the patient leads to a triggering of a control of the lighting arrangement, in particular when such patient data reach a critical range.
- the incoming information is then processed in the control unit using a stored calculation algorithm and output as an instruction.
- the instruction corresponds in particular to the manipulation of the lighting arrangement provided inside and/or outside the hospital room.
- lighting arrangement refers in particular to at least one lighting device, for example a lamp, with the term “arrangement” corresponding to a plurality of lighting devices being arranged functionally and/or spatially connected.
- the lighting arrangement can fulfill various functions. It is conceivable that lighting of the hospital room is provided depending on the detection of the person and/or the device, but possibly also depending on the identity of the detected person and/or device.
- the lighting of the hospital room can be provided to provide a day or night simulation and/or to support a patient's waking phase, for example after anesthesia.
- at least one lighting device of the lighting arrangement corresponds to a signaling device, which can be designed for lighting with at least two or three different colors in order to provide the lighting in these colors, in particular characteristic of the presence and environment monitoring.
- the signaling device is only designed for illumination with one color in order to indicate the ambient quality in the hospital room or a possible presence when the lamp is active.
- the method also includes:
- the determination of the presence is carried out in particular by detecting a marking, for example a radio transmitter. If the presence of the person and/or the device is detected, preferably with a predetermined identity, the presence is reported.
- the notification of presence corresponds in particular to the incoming information described above, which is transmitted to a control device, for example, in order to carry out a control of the provided lighting arrangement based on this information, corresponding to the information.
- an evaluation of the measurement can be understood to mean that it is checked whether the at least one parameter lies in a specified range.
- This specified range can, for example, correspond to a range that is acceptable for a patient.
- the area can e.g. B. be specified by patient data, which can be read out automatically for this purpose. If the at least one parameter is outside of this range, an environment message is output, the environment message, analogous to the presence message, corresponding to the incoming information in order to carry out a control of the provided lighting arrangement based on this information that corresponds to the information.
- the determination and evaluation can be carried out automatically. Provision can also be made for an operator to be able to trigger a presence and/or environment notification in order to initiate the implementation of the control.
- a data interface to a database system can be provided for reading out the patient data. Furthermore, a configuration can be provided as to which areas and/or patient data are used.
- performing the control also includes: - Setting an illumination color of the illumination arrangement on the basis of the issued presence notification and/or the issued environmental notification in order to visually signal the presence notification and/or environmental notification for a hospital staff.
- the hospital staff for example by a lighting device arranged outside the hospital room, is informed at an early stage and in particular outside the hospital room whether a specific person and/or a specific device is in the hospital room and whether at least a parameter of the environmental monitoring requires an action by the hospital staff, with a corresponding arrangement within the hospital room also being conceivable.
- the staff such as doctors, in particular depending on their function, and nurses are assigned different markings and thus different lighting colors.
- an emergency color and/or lighting can be set based on the issued presence message and/or the issued environment message, for example if an alarm is activated in the hospital room and/or there is a device in the hospital room for Emergency treatment such as resuscitation of a patient is and/or used so that the hospital room is already visible from the outside for other emergency workers.
- the lighting colors can B. be designed at least or exclusively according to a traffic light system, so include “red”, “yellow” and "green”.
- the lighting arrangement has at least two or at least three or exactly three lighting segments, in particular a segment display, in order to output the different lighting colors and/or to signal the presence notification and/or surrounding notification visually for hospital staff.
- This can have the advantage that a more differentiated information output of the presence and environment notification is possible.
- the Segments can be assigned different lighting colors. It may be conceivable that the segment display allows numbers and/or letters to be displayed in order to display different codes, where the codes can be specific to a certain presence or environment message.
- the lighting arrangement has a room lighting device inside the hospital room, the method also comprising:
- a classification is understood to mean, in particular, an assignment of the detected person and/or the detected device to an established class.
- the classification can also take place using the identification described above.
- a class that is set up can, for example, correspond to the class “Function”, e.g. “Chief doctor” or “Nurse”. This extension of the method can have the advantage that the brightness of a patient's room lighting device is mostly slightly adjusted or deactivated in an automated manner in order to create a more pleasant atmosphere for the patient and thus to technically support the treatment.
- the lighting arrangement has a lighting device outside of the hospital room, in particular attached to a wall, the method also comprising:
- the environmental quality preferably being divided into one of several stages for this purpose
- the lighting arrangement can comprise at least one lighting device for presence monitoring and at least one further lighting device for monitoring the surroundings, with the lighting devices being controlled separately.
- a separate implementation can have the advantage that two messages, ie a presence message and an environment message, can be issued simultaneously and displayed by the lighting devices.
- the separate lighting devices can be designed differently, so that, for example, the lighting device for presence monitoring corresponds to a single light and the lighting device for environmental monitoring corresponds to a segment display, with any number of other combinations being conceivable.
- the lighting arrangement can be additionally controlled manually by an operator, in particular in order to deactivate visual signaling by the lighting arrangement.
- This can have the advantage that, for example, visual signaling triggered by a system error can be deactivated.
- the visual signaling is deactivated by the hospital staff when an action corresponding to the visual signaling has been carried out, for example opening a window in order to reduce the carbon dioxide concentration.
- USB stands for Universal Serial Bus.
- a further advantage within the scope of the invention can be achieved if the lighting arrangement is controlled via a radio link.
- a WLAN, a Bluetooth or an NFC connection are conceivable for a radio connection, with WLAN standing for Wireless Area Network and NFC for Near Field Communication.
- the subject of the invention is also a system for presence monitoring and environmental monitoring in a hospital room, having:
- a detection device for performing a detection of a person and/or a device in the hospital room in order to provide the presence monitoring, wherein preferably a marking of the person and/or the device is detected, preferably via a Bluetooth connection,
- a measuring device for carrying out a measurement of at least one parameter in the hospital room, in particular a carbon dioxide concentration and/or a temperature and/or a volume, in order to provide environmental monitoring,
- control device for carrying out a control of a lighting arrangement provided inside and/or outside the hospital room, the control being carried out depending on the carried out detection of the person and/or the device and/or depending on the carried out measurement of the parameter.
- the system according to the invention thus brings with it the same advantages as have been described in detail with reference to the method according to the invention.
- the system can be suitable for carrying out the method according to the invention.
- a detection device is understood to mean, in particular, an electronic device which is designed to detect a marking, for example a sensor or a radio interface can be provided for this purpose in the detection device.
- a measuring device is understood to mean in particular a device which is designed to measure the at least one parameter, wherein the parameter can correspond to a physically measurable variable, so that the measuring device has in particular at least one sensor which is suitable for measuring the corresponding parameter.
- the measuring device preferably has electronics for the measurement.
- a control device is understood to mean, in particular, a device which is designed to control the provided lighting arrangement, for example in order to reduce or increase the brightness of a lighting device.
- the term control corresponds in particular to a directed one Influencing the behavior of technical systems.
- a digital control is provided, with an analog or a binary control also being conceivable.
- the detection device and/or the measuring device is/are each designed as a sensor system in order to detect the person and/or the device and/or to measure the at least one parameter.
- a sensor system is understood to mean in particular that at least two sensors are read out via a common interface, with the at least two sensors preferably being able to be arranged in a common housing or in the immediate vicinity of one another.
- the detection device and/or the measuring device and/or the control device each have a fastening means in order to carry out fastening under a hospital bed in the hospital room, with the fastening means preferably being in the form of an adhesive. It can also be provided that at least two of the devices have a common fastening means. It can also be conceivable that the fastening means is designed for a screw, plug, snap-in or form-fitting connection to the hospital bed.
- the detection device and/or the measuring device and/or the control device are connected to one another and are designed as a stand-alone system and in particular have a common housing.
- Stand-alone means in particular that the system can fulfill its function without further additional devices and is designed in particular as a modular construction.
- the system according to the invention can of course have interfaces for data exchange and/or for energy supply and/or for modular expansion.
- a further advantage can be achieved within the scope of the invention if the marking is designed as a radio transmitter, in particular as a Bluetooth beacon.
- a Bluetooth beacon is understood to mean, in particular, a radio transmitter which emits Bluetooth signals.
- the Bluetooth Low Energy radio standard is preferably provided for this purpose, which can have the advantage that it is very energy-saving.
- a further advantage can be that the system has an interface in order to provide the control of the lighting arrangement, the interface being designed as an electrical or as a radio interface.
- An electrical interface can be in the form of a USB, USB-C, Micro-USB, or Lightning interface, although the list is not exhaustive.
- USB stands for Universal Serial Bus.
- the radio interface can be embodied as a Bluetooth, a WLAN or an NFC interface, the list not being exhaustive, with WLAN standing for Wireless Area Network and NFC standing for Near Field Communication.
- the invention also relates to a computer program, comprising instructions which, when the computer program is executed by a computer, cause it to carry out the following steps and thus in particular to initiate the method according to the invention:
- the computer program according to the invention thus brings with it the same advantages as have been described in detail with reference to the method according to the invention.
- the computer program can be suitable for being executed on the system according to the invention.
- the computer program will carried out, for example, by a processing device of the system according to the invention, which is electrically connected to the detection device and/or the measuring device and/or the control device.
- Fig. 2 A schematic arrangement of the system according to the invention in a hospital room.
- FIG. 3 A schematic representation of the structure of the system according to the invention and a lighting arrangement.
- FIG. 1 shows a schematic sequence of the method according to the invention.
- the process of presence monitoring 2 is visualized on the left-hand side, with detection 8 being carried out using a marking 14 .
- the process of environmental monitoring 4 is shown on the right-hand side, with a measurement 16 of at least one parameter 18 being carried out. Provision can be made for the detection 8 and/or the measurement 16 to be carried out continuously with intended or triggered or accidental interruptions. Both processes can, for example upon detection 8 of a marking 14 or if a threshold value is exceeded for the at least one parameter 18, influence the controller 20 arranged in the center of the figure, the influence being represented in the figure by an arrow in each case.
- FIG. 2 schematically shows a hospital room 6 in which the system 42 according to the invention is arranged under a hospital bed 7 .
- Two lighting devices 30 are also shown, the room lighting device 28 being inside the hospital room 6 and the second lighting device 30 being outside the hospital room 6 .
- a person 10 is shown, wherein the person 10 can be a hospital staff 24, wherein the person 10 carries a marking 14 with him. It can be conceivable that the marker 14, for example, in a pocket of a clothing of the person is present.
- a device 12 is shown, which also has a marking 14 .
- FIG. 3 schematically visualizes a system 42 according to the invention, which has a fastening means 40 on the upper side.
- the system 42 also has a housing 44 .
- a control device 36 , an interface 46 , a sensor system 38 , a detection device 32 and a measuring device 34 are present in the housing 44 . It can be provided that the previously described elements present in the housing 44 are each connected to one another electrically or via a radio link.
- a lighting arrangement 22 which has three lighting segments 26 .
- the communication of the controller 20 of the lighting arrangement 22 by the system 42 via the interface 46 is represented by a dashed arrow.
- the communication of the controller 20 can be carried out via an electrical or via a radio connection.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Primary Health Care (AREA)
- Public Health (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021120437.2A DE102021120437A1 (de) | 2021-08-05 | 2021-08-05 | Verfahren zur anwesenheitsüberwachung und umgebungsüberwachung in einem krankenhauszimmer |
| PCT/EP2022/000069 WO2023011747A1 (de) | 2021-08-05 | 2022-08-04 | Verfahren zur anwesenheitsüberwachung und umgebungsüberwachung in einem krankenhauszimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4381522A1 true EP4381522A1 (de) | 2024-06-12 |
Family
ID=83149317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22761408.8A Pending EP4381522A1 (de) | 2021-08-05 | 2022-08-04 | Verfahren zur anwesenheitsüberwachung und umgebungsüberwachung in einem krankenhauszimmer |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12610442B2 (de) |
| EP (1) | EP4381522A1 (de) |
| DE (1) | DE102021120437A1 (de) |
| WO (1) | WO2023011747A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2408230A1 (en) * | 2000-05-05 | 2001-11-15 | Hill-Rom Services, Inc. | Patient point of care computer system |
| TWI422062B (zh) | 2008-09-12 | 2014-01-01 | Univ Nat Taiwan Science Tech | Natural light lighting |
| JP6422860B2 (ja) | 2012-05-24 | 2018-11-14 | フィリップス ライティング ホールディング ビー ヴィ | 特に集中治療室における譫妄低減のための照明システム |
| EP3050403A1 (de) | 2013-09-23 | 2016-08-03 | Philips Lighting Holding B.V. | Beleuchtungssystem mit tagesrhythmus- und dimmlichtdynamik |
| US9325516B2 (en) | 2014-03-07 | 2016-04-26 | Ubiquiti Networks, Inc. | Power receptacle wireless access point devices for networked living and work spaces |
| US10013868B2 (en) * | 2016-01-29 | 2018-07-03 | Rauldand-Borg Corporation | Nurse call system with mobile device interface |
| CN106354172A (zh) | 2016-11-26 | 2017-01-25 | 西宁意格知识产权咨询服务有限公司 | 一种用于医院特级病房的智能温控系统 |
| EP3335632B1 (de) | 2016-12-13 | 2022-11-23 | Alcatel Lucent | Verfahren und vorrichtung zur überwachung eines oder mehrerer herzschläge und einer atmungsrate eines lebenden wirbeltiers |
| CN108427460A (zh) | 2018-05-21 | 2018-08-21 | 湖州市中心医院 | 一种医院病房用环境质量监测系统 |
| CN209475343U (zh) | 2018-10-09 | 2019-10-11 | 鞍山市中心医院 | 一种用于意识障碍患者的促醒装置 |
| CA3142523A1 (en) * | 2019-06-03 | 2020-12-10 | Gauss Surgical, Inc. | Systems and methods for tracking surgical items |
-
2021
- 2021-08-05 DE DE102021120437.2A patent/DE102021120437A1/de active Pending
-
2022
- 2022-08-04 EP EP22761408.8A patent/EP4381522A1/de active Pending
- 2022-08-04 WO PCT/EP2022/000069 patent/WO2023011747A1/de not_active Ceased
- 2022-08-04 US US18/294,704 patent/US12610442B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023011747A1 (de) | 2023-02-09 |
| US20250063644A1 (en) | 2025-02-20 |
| DE102021120437A1 (de) | 2023-02-09 |
| US12610442B2 (en) | 2026-04-21 |
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