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EP4588036A1 - Améliorations apportées à un système de simulation médicale ou s'y rapportant - Google Patents

Améliorations apportées à un système de simulation médicale ou s'y rapportant

Info

Publication number
EP4588036A1
EP4588036A1 EP23782255.6A EP23782255A EP4588036A1 EP 4588036 A1 EP4588036 A1 EP 4588036A1 EP 23782255 A EP23782255 A EP 23782255A EP 4588036 A1 EP4588036 A1 EP 4588036A1
Authority
EP
European Patent Office
Prior art keywords
plate
actuator
medical simulation
processor
unit
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
EP23782255.6A
Other languages
German (de)
English (en)
Inventor
Jonathan JARMAN
Marcus PARKER
James Myers
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.)
Limbs and Things Ltd
Original Assignee
Limbs and Things Ltd
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
Priority claimed from GB2213619.6A external-priority patent/GB2622429B/en
Priority claimed from GB2213614.7A external-priority patent/GB2622426B/en
Priority claimed from GBGB2213617.0A external-priority patent/GB202213617D0/en
Application filed by Limbs and Things Ltd filed Critical Limbs and Things Ltd
Publication of EP4588036A1 publication Critical patent/EP4588036A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • G09B23/30—Anatomical models
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • G09B23/288—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for artificial respiration or heart massage
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • G09B23/30—Anatomical models
    • G09B23/32—Anatomical models with moving parts

Definitions

  • the present invention relates to improvements in or relating to a medical simulation system and, more specifically, to a medical simulation system configured to provide a more realistic user experience.
  • Medical simulation units are frequently used to educate/train students and/or medical professionals in various medical fields.
  • existing medical simulation units typically compromise reproductions of human mechanics, including heart thrills and other biomechanical movement.
  • these systems sometimes simplify or misdeliver the subtleties in cardiovascular or respiratory waveforms.
  • a medical simulation system comprising: a medical simulation unit having an RFID tag; and a separate module comprising an RFID reader, a transmitter and a memory for storing content, wherein the module is configured to output content from the memory via the transmitter when the RFID reader detects the RFID tag.
  • the transmitter is located within a module that is separate from the medical simulation unit.
  • the module may be portable.
  • the module may be moveable with respect to the medical simulation unit.
  • the separate module enables the output to be transmitted more reliably and/or clearly than existing medical simulation systems.
  • some existing medical simulation units generate outputs in the form of a sound.
  • the transmitter is often a speaker located within the medical simulation unit.
  • locating the speaker within the medical simulation unit causes the sound to be distorted as it travels through the structure of the simulation unit. Locating the transmitter within a separate module removes this distortion, thus providing a clearer and more realistic output.
  • RFID Radio-frequency identification
  • the use of RFID (Radio-frequency identification) technology within the medical simulation system enables a variety of different outputs to be transmitted by a single transmitter.
  • a plurality of different RFID tags may each be associated with different content.
  • a single RFID tag may be modified such that it is associated with different content over time.
  • the transmitter may output each different piece of content upon detection of the corresponding RFID tag.
  • the output may comprise at least one of a sound, sound file, image, image file, video and video file.
  • the transmitter may output a sound wave, generate an image, and/or produce a video.
  • the output may comprise data.
  • the data may comprise information regarding a user's actions, such as which tag(s) was activated and at what time.
  • the module may be configured to connect to a device for receiving the output.
  • the device may receive the output.
  • the device may be a medical device.
  • the device may be a stethoscope, blood pressure monitor (also called a sphygmomanometer) or an ultrasound probe.
  • the device may be a speaker.
  • the speaker may be configured to output a sound.
  • the module may connect to the device via a mechanical coupling.
  • the module may be configured to attach to a device.
  • the module may connect to the device via a wired or 'over-the-air' (OTA) connection.
  • OTA 'over-the-air'
  • moveable elements and the motors and/or actuators thereof create background noise within the medical simulation unit, which may also be detected by a user.
  • the background noise may distort the output intended to be heard by the user. Therefore, using RFID technology and locating the transmitter within a module that is separate from a medical simulation unit reduces the effects of this background noise by providing separation between the source of the background noise and the transmitter.
  • the mechanically moveable element may replicate at least one of respiratory movements, cardiovascular movements, a pulse and a thrill.
  • the mechanically moveable element may be an actuator.
  • the actuator may be a thrill simulation actuator.
  • the thrill simulation actuator may be a linear resonant actuator. Replicating at least one of the aforementioned functions within the medical simulation unit provides a more realistic experience for the user.
  • the medical simulation unit is a mannequin, or a part thereof, the thrill simulation actuator and at least one RFID tag may be located on an axis that passes through the location of a heart valve. Therefore, the thrill simulation actuator may be aligned with at least one RFID tag.
  • the processor may be located within the module. Alternatively, or in addition, the processor may be located within the medical simulation unit. More specifically, the medical simulation unit may comprise a unit processor and the module may comprise a module processor. In some embodiments, the medical simulation unit and/or module comprise a plurality of processors. Each processor may be a microprocessor. The medical simulation unit may further comprise a unit memory. Therefore, the system may comprise a module memory located within the module (previously referred to as 'the memory') and a unit memory located within the medical simulation unit. The module memory and the unit memory may comprise the same content. Each piece of content within each memory may correspond to a particular RFID tag. Additionally, each piece of content within the unit memory may be synchronized to the movement of the mechanically movable element. Accordingly, the content within the unit memory may be associated with an RFID tag and a timestamp. A waveform generator may be used to synchronize the content to the movement of the mechanical element.
  • the unit processor may send a signal to the module processor.
  • the signal may comprise the timestamp associated with the content corresponding to the detected RFID tag.
  • the timestamp may relate to the movement of the mechanically moveable element.
  • the timestamp may be used to synchronize the output to the movement of the mechanically moveable element.
  • the module processor may send content from the module memory to the transmitter.
  • the module processor may also synchronize the content to the movement of the mechanically moveable element using the timestamp. For example, the processor may remove a first portion of the content in order to achieve the synchronization.
  • the processor may signal the transmitter to output a discrete portion of the content. For example, if the content comprises a 5-second sound file, the processor may signal the transmitter to output the content starting at the third second of the sound file. This may result in the synchronization of the content with the movable elements.
  • the output may be required for a longer duration than the remaining duration of the content file and, in some embodiments; the output may be required for a longer duration than the entire duration of the content file.
  • the content may be output any number of subsequent times. For example, the content may be 'looped'. Each subsequent time that the content is output, the content may be output from the start of the file. This ensures synchronization remains.
  • the output may be directly synchronized to the movement of the mechanically moveable element. Therefore, if the movement of the mechanically moveable element is varied, in use, the output may also be varied such that it remains synchronized.
  • a method for generating an output within a medical simulation system comprising: a medical simulation unit having an RFID tag, a unit processor and a unit memory; and a separate module comprising an RFID reader, a transmitter, a module processor, and a module memory, the method comprising: detecting the RFID tag using the RFID reader; identifying content within the module memory that is associated with the detected RFID tag; identifying content within the unit memory that corresponds to the content identified within the module memory, wherein the content identified in the unit memory is also associated with a timestamp; sending a signal from the unit processor to the module processor, wherein the signal comprises the timestamp; synchronizing the content identified within the module memory to the timestamp; and generating an output, via the transmitter, wherein the output comprises
  • content is sent from the unit memory directly to the transmitter.
  • This content may be synchronized with a mechanically movable element.
  • the module does not comprise a module memory.
  • the medical simulation unit may be a human mannequin or part thereof.
  • the medical simulation unit may comprise a torso, neck and/or shoulders.
  • the medical simulation unit may be a non-human unit.
  • At least one RFID tag is a Mifare Classic lk 25mm tags.
  • the tags may be positioned in an offset grid pattern.
  • the tags may be located within a main body of the medical simulation unit.
  • the main body may be approximately 3mm thick.
  • the main body may be plastic.
  • the main body may replicate the inner torso.
  • the main body may comprise a skin.
  • the tags may be located beneath the skin.
  • the skin may be silicone.
  • the silicone may be approximately 4mm thick.
  • the RFID tags may be less than 20mm apart. More preferably, the RFID tags may be less than 15mm apart. Most preferably, the RFID tags may be less than 12mm apart.
  • the RFID tags may be spaced up to 1mm, 3mm, 5mm, 8mm, 10mm, 15mm, 20mm, 25mm or 30mm apart. In some embodiments, the RFID tags may be spaced more than 30mm apart.
  • a medical simulation unit comprising a thrill simulation actuator configured to vibrate.
  • the medical simulation unit having a thrill simulation actuator may be the previously disclosed medical simulation unit, thus also having any and/or all of the previously disclosed features.
  • the medical simulation unit comprising a thrill simulation actuator may be a different medical simulation unit.
  • the medical simulation unit may be in the form of a human mannequin, or a part thereof.
  • Each thrill simulation actuator may be less than 25mm in diameter or, more preferable, less than 16mm in diameter.
  • each thrill simulation actuator may be less than 10mm thick or, more preferably, less than 6mm thick.
  • each thrill simulation actuator is approximately 8mm in diameter and approximately 2.6mm thick.
  • the aforementioned sizing enables the thrill simulation actuators to replicate thrills generate by heart valves accurately.
  • Each thrill simulation actuator may receive 1.2v.
  • the linear resonant actuator (LRA) may use an AC voltage to drive a voice coil pressed against a moving mass connected to a spring. When the voice coil is driven at the resonant frequency of the spring, the entire actuator may vibrate with a perceptible force.
  • the thrill simulation actuator may be connected to a control module.
  • the control module may be configured to adjust the vibration generated by the thrill simulation actuator. For example, the vibration amplitude and/or frequency may be varied.
  • the thrill simulation actuator may be connected to the unit processor.
  • the unit processor may synchronise vibration of the thrill simulation actuator with mechanical movement in the medical simulation unit and/or the output.
  • the medical simulation unit may comprise a plurality of thrill simulation actuators.
  • a plurality of thrill simulation actuators enables a closer to real life experience to be simulated.
  • Each actuator may vibrate at a different vibration amplitude and/or frequency.
  • each actuator may vibrate at the same vibration amplitude and/or frequency.
  • the medical simulation unit may comprise four thrill simulation actuators.
  • Each thrill simulation actuator may be configured to replicate a thrill generate by one of the four heart valves.
  • the system may further comprise a processor configured to synchronize the output to the vibration of the thrill simulation actuator.
  • the memory' may be the module memory.
  • the processor may be located in the module.
  • the processor may be the module processor.
  • the module may comprise a single processor.
  • the single processor may synchronize the output with the mechanical movement and/or vibration of the thrill simulation actuator.
  • the processor may be an additional processor located within the module. Therefore, the module may comprise a plurality of processors. Each processor may synchronize a different combination of parameters and/or components (i.e. the output, content, mechanical movement and/or vibration of the thrill simulation actuator). Synchronizing the vibration of the thrill simulation actuator to the content within the memory enables any sounds, images, videos and/or data being output from the memory and/or processor to be output at the same time the actuator vibrates. This may provide a more realistic user experience.
  • parameters and/or components i.e. the output, content, mechanical movement and/or vibration of the thrill simulation actuator. Synchronizing the vibration of the thrill simulation actuator to the content within the memory enables any sounds, images, videos and/or data being output from the memory and/or processor to be output at the same time the actuator vibrates. This may provide a more realistic user experience.
  • the system may also comprise a processor configured to synchronize vibration of the thrill simulation actuator to the movement of a mechanically moveable element.
  • the processor may be located within the medical simulation unit.
  • the processor may be the unit processor.
  • the medical simulation unit may comprise a single processor.
  • the single processor may synchronize the output with the mechanical movement and/or vibration of the thrill simulation actuator.
  • the processor may be an additional processor located within the medical simulation unit. Therefore, the medical simulation unit may comprise a plurality of processors. Each processor may synchronize a different combination of parameters and/or components (i.e. the output, content, mechanical movement and/or vibration of the thrill simulation actuator).
  • Synchronizing the vibration of the actuator to the movement of a mechanically moveable element may further provide a more realistic user experience.
  • the commonly known sagittal plane, coronal plane, and transverse plane may be used as points of reference.
  • the coronal plane (or frontal plane) divides the mannequin into dorsal and ventral (back and front, or posterior and anterior) portions.
  • the transverse plane also known as an axial plane or cross-section, divides the mannequin into cranial and caudal (head and tail) portions.
  • the sagittal plane divides the body into sinister and dexter (left and right) portions.
  • the plane of the back may be substantially parallel to the Coronal plane. Therefore, the axis of rotation of the plate may be inclined relative to the Coronal plane.
  • the main body may further comprise a base.
  • the base may be substantially planar.
  • the base may be configured to support the medical simulation unit in use.
  • the base may be perpendicular to the back. Therefore, in use, the plane of the base may be substantially horizontal.
  • the plane of the base may be substantially parallel to the transverse plane.
  • the base may positioned through the location of a mannequin's waist, hips or thighs.
  • the axis of rotation of the plate may comprise a first directional component and a second directional component.
  • the first directional component may be inclined, by angle a, relative to the plane of the back.
  • the second directional component may be inclined, by angle a, relative to the plane of the back and non-parallel to the first directional component.
  • Both the first and second directional components of the axis of rotation may be inclined by the same angle, a, relative to the plane of the back.
  • the second directional component of the axis of rotation may be angled by an angle, 0, of approximately 45° relative to the first directional component of the axis of rotation such that it is non-parallel thereto.
  • the second directional component of the axis of rotation may be angled by an angle, 0, of up to 10°, 20°, 30°, 40°, 50°, 60°, or 70° relative to the first directional component of the axis of rotation.
  • the plate when the medical simulation unit is a human mannequin, or part thereof, the plate may hinge at the location of the inferior border of the clavicle. As such, the axis of rotation may be substantially parallel to the inferior border of the clavicle.
  • Each plate may comprise a proximal pole, located at the axis of rotation, and a distal pole, located on the point of plate that is far from the axis of rotation as possible.
  • the distance between the proximal pole and distal pole may be up to 500mm. More preferably, the distance may be up to 300mm. For example, the distance may be 273mm.
  • Rotation of the plate about its axis may cause the distal pole to move up to 100mm upwards (vertically) and up to 100mm outwards (horizontally) relative to the plane of the back or, more preferably, up to 50mm upwards (vertically) and up to 50mm outwards (horizontally) relative to the plane of the back.
  • the medical simulation unit 600 further comprises a thrill simulation actuator 690.
  • Figure 6 shows a first thrill simulation actuator 690 and a second thrill simulation actuator 695.
  • the thrill simulation actuator 690, 695 comprises a linear resonant actuator (LRA).
  • the processor 630 is further configured to synchronize vibration of the thrill simulation actuator 690, 695 to the output.
  • the medical simulation unit 600 comprises a single processor 330, 430, 530, 630.
  • the medical simulation unit 400 comprises a plurality of processors 330, 430, 530, 630.
  • the processor(s) 330, 430, 530, 630 may also be configured to synchronize vibration of the thrill simulation actuator 490 to the movement of a mechanically moveable element 320.
  • Medical simulation unit 600 is shown in figure 6; however, any of the previously disclosed medical simulation units 100, 300, 400, 500 may be used.
  • the medical simulation unit 100, 300, 400, 500, 600 is a human mannequin or part thereof.
  • the medical simulation unit may be a non-human form.
  • the medical simulation unit 600 comprises a power switch 607 and a power source 609.
  • the power source 609 may be a battery. Alternatively, or in addition, the power source may be a mains supply.
  • the switch 607 is configured to control the power supply to the medical simulation unit 600.
  • the WAM PCBA is connected to the unit processor 630.
  • the unit processor 630 is connected to a Thrill simulation PCBA 692 configured to control the thrill simulation actuator 690. Although, any number of Thrill simulation PCBAs and thrill simulation actuators may be present.
  • the unit processor 630 is also connected to a plate driving actuator 650.
  • the plate driving actuator 650 is configured to rotate the plate 620 about its axis Xi. Although, any number of plate driving actuators may be present.
  • An end-switch switch 608 is also connected to the unit processor 630. The end switch 608 is configured to allow movement of the plate driving actuator 650 only when a skin is fitted over the main body and the plate 620 of the medical simulation unit 600.

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  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Medical Informatics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Algebra (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Technology (AREA)
  • Mathematical Analysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Instructional Devices (AREA)

Abstract

Un système de simulation médicale comprend : une unité de simulation médicale comportant une étiquette RFID ; et un module séparé comprenant un lecteur RFID, un émetteur et une mémoire servant à stocker un contenu, le module étant configuré pour délivrer un contenu à partir de la mémoire par l'intermédiaire de l'émetteur lorsque le lecteur RFID détecte l'étiquette RFID.
EP23782255.6A 2022-09-16 2023-09-15 Améliorations apportées à un système de simulation médicale ou s'y rapportant Pending EP4588036A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB2213619.6A GB2622429B (en) 2022-09-16 2022-09-16 Improvements in or relating to a medical simulation system
GB2213614.7A GB2622426B (en) 2022-09-16 2022-09-16 Improvements in or relating to a medical simulation system
GBGB2213617.0A GB202213617D0 (en) 2022-09-16 2022-09-16 Improvements in or relating to a medical simulation system
PCT/GB2023/052396 WO2024057038A1 (fr) 2022-09-16 2023-09-15 Améliorations apportées à un système de simulation médicale ou s'y rapportant

Publications (1)

Publication Number Publication Date
EP4588036A1 true EP4588036A1 (fr) 2025-07-23

Family

ID=88207201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23782255.6A Pending EP4588036A1 (fr) 2022-09-16 2023-09-15 Améliorations apportées à un système de simulation médicale ou s'y rapportant

Country Status (2)

Country Link
EP (1) EP4588036A1 (fr)
WO (1) WO2024057038A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520071A (en) * 1968-01-29 1970-07-14 Aerojet General Co Anesthesiological training simulator
US3665087A (en) * 1970-11-25 1972-05-23 Itt Manikin audio system
US6503087B1 (en) * 1996-05-08 2003-01-07 Gaumard Scientific, Inc. Interactive education system for teaching patient care
US6220866B1 (en) * 1998-01-15 2001-04-24 Eagle Simulation, Inc. Electronic auscultation system for patient simulator
JP3829197B2 (ja) * 2003-08-28 2006-10-04 国立大学法人岐阜大学 聴診教育用装置
JP5754708B2 (ja) * 2011-05-26 2015-07-29 国立大学法人 千葉大学 聴診トレーニングシステム及び模擬聴診器
US11288979B1 (en) * 2016-01-11 2022-03-29 John J. Blackburn Stethoscope training devices and methods
RU2689756C9 (ru) * 2018-02-09 2019-09-06 Общество с ограниченной ответственностью "Эйдос - Медицина" Способ отработки практических навыков по оказанию первой медицинской помощи и аускультации с помощью медицинского тренажера

Also Published As

Publication number Publication date
WO2024057038A1 (fr) 2024-03-21

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