BE1028827B1 - Touch screen user interface for setting and measuring the composition of the gas supply in a medical device - Google Patents

Touch screen user interface for setting and measuring the composition of the gas supply in a medical device Download PDF

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Publication number
BE1028827B1
BE1028827B1 BE20210005A BE202100005A BE1028827B1 BE 1028827 B1 BE1028827 B1 BE 1028827B1 BE 20210005 A BE20210005 A BE 20210005A BE 202100005 A BE202100005 A BE 202100005A BE 1028827 B1 BE1028827 B1 BE 1028827B1
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user interface
setting
user
gas
flow rate
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BE20210005A
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Dutch (nl)
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Kristof Braem
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Medec Int
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0362—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04847—Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
    • 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
    • G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
    • G16H10/60—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
    • 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
    • G16H40/40—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 management of medical equipment or devices, e.g. scheduling maintenance or upgrades
    • 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
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    • 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
    • G16H40/63—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 local operation
    • A—HUMAN NECESSITIES
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    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
    • A—HUMAN NECESSITIES
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    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • A61M2016/102—Measuring a parameter of the content of the delivered gas
    • A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
    • A—HUMAN NECESSITIES
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    • A61M2202/00—Special media to be introduced, removed or treated
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    • A—HUMAN NECESSITIES
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    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0266—Nitrogen (N)
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    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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Abstract

De uitvinding heeft betrekking op het instellen en meten van de samenstelling van de gastoevoer in een medisch apparaat met behulp van een aanraakscherm. Een mogelijke implementatie hiervan is het instellen van het vers-gas-mengsel op een anesthesieapparaat. Dit mengsel bevat medische zuurstof en eventueel lachgas of lucht, al dan niet gecombineerd met anesthesiegasdamp (de opsomming van gassen is niet limitatief).The invention relates to setting and measuring the composition of the gas supply in a medical device using a touch screen. A possible implementation of this is setting the fresh gas mixture on an anesthesia machine. This mixture contains medical oxygen and possibly nitrous oxide or air, whether or not combined with anesthetic gas vapor (the list of gases is not exhaustive).

Description

Gebruikersinterface via aanraakscherm voor de instelling en het meten van de samenstelling van de gastoevoer in een medisch apparaatTouch screen user interface for setting and measuring the composition of the gas supply in a medical device

[1] GEBRUIKSDOMEIN De uitvinding is van toepassing op medische apparaten, zoals bijvoorbeeld -maar niet beperkt tot- — anesthesietoestellen en Intensive Care Unit ventilatoren.[1] FIELD OF USE The invention is applicable to medical devices, such as for example - but not limited to - anesthesia machines and Intensive Care Unit ventilators.

[2] KORTE PRODUCTBESCHRIJVING Gebruikersinterface voor het instellen en het meten van de samenstelling van de gastoevoer in een medisch apparaat via een aanraakscherm en zonder draaiknop.[2] PRODUCT BRIEF DESCRIPTION User interface for setting and measuring the composition of the gas supply in a medical device via a touch screen and without a rotary knob.

[3] PROBLEEMSTELLING Het instellen van de samenstelling van een gasmengsel blijkt op bestaande toestellen een uitdaging voor de gebruiker. Gebruikers willen niet alleen het debiet van elk gas afzonderlijk, maar ook de totale zuurstofconcentratie en het totale debiet kunnen instellen. Bovendien worden bepaalde instellingen merkelijk vaker gebruikt dan andere, dus zou het handig zijn deze instelling snel te kunnen oproepen. Het ingestelde mengsel moet te allen tijde veilig zijn voor de patiënt.[3] PROBLEM DEFINITION Adjusting the composition of a gas mixture on existing appliances proves to be a challenge for the user. Users want to be able to set not only the flow rate of each gas individually, but also the total oxygen concentration and the total flow rate. In addition, certain settings are used significantly more often than others, so it would be useful to be able to recall this setting quickly. The set mixture must be safe for the patient at all times.

[4] BESTAANDE OPLOSSINGEN De bestaande oplossingen kunnen in twee categorieën opgedeeld worden: de analog en de digitale of elektronische gasmengers.[4] EXISTING SOLUTIONS The existing solutions can be divided into two categories: the analog and the digital or electronic gas mixers.

1. Bij de analoge gasmengers kan enkel het debiet van de individuele gassen (zuurstof, lachgas, lucht) ingesteld worden, met behulp van mechanische draaiknoppen. De individuele debieten (en soms ook het totale debiet} worden afgelezen op zogenaamde ‘rotameters’, die bestaan uit een zwevende vlotter in een glazen buis. De gebruiker dient zelf de totale zuurstofconcentratie (en vaak ook het totale debiet) te berekenen en er is geen snellere manier om vaak gebruikte mengsels in te stellen.1. With the analog gas mixers, only the flow rate of the individual gases (oxygen, nitrous oxide, air) can be set using mechanical rotary knobs. The individual flow rates (and sometimes also the total flow rate} are read on so-called 'rotameters', which consist of a floating float in a glass tube. The user has to calculate the total oxygen concentration (and often also the total flow rate) himself and there is no faster way to set up frequently used mixtures.

2. Bij de digitale of elektronische gasmengers kunnen doorgaans zowel het debiet van de individuele gassen als het totale debiet en de zuurstofconcentratie ingesteld worden. Er is geen snellere manier voorzien om vaak gebruikte mengsels in te stellen. Voor het wijzigen van elk van deze parameters (die allen samen het mengsel bepalen), dient de gebruiker eerst de parameter in kwestie te selecteren, hetzij door middel van een aanraking op het scherm, hetzij door gebruik van een draaiknop, hetzij door het indrukken van een parameter-specifieke knop langs de rand van het scherm. Het wijzigen van de waarde van de parameter gebeurt vervolgens door het draaien aan een draaiknop, die zich veelal aan de rechterkant van het scherm bevindt. Om de waarde te bevestigen, wordt daarna de draaiknop ingedrukt. Dit proces dient herhaald te worden voor elke individuele parameter om zo uiteindelijk tot een gewenst gasmengsel te komen. Dit is niet alleen omslachtig, maar er is ook sprake van zogenaamde cognitieve dissonantie, een vaak voorkomend probleem in gebruikersinterfaces: het is niet intuïtief om eerst bijvoorbeeld links op het aanraakscherm op een parameter te moeten tikken en nadien een draaiknop rechts naast het scherm te moeten gebruiken om die parameter te wijzigen. De metingen van van het gasmengsel worden in digitale gasmengers meestal weergegeven door nagebootste rotameterbuisjes op het scherm (skeomorfisme). De gebruiker krijgt bijgevolg nog steeds niet de gemeten zuurstofconcentratie te zien. Het nadeel van zowel de analoge als de digitale uitvoeringen is dat het hele proces nodeloos tijd en/of moeite kost in een medische omgeving waarin elke seconde van cruciaal belang is. De gebruiker (anesthesist, intensivist) kan hierdoor zijn aandacht niet ten volle vestigen op zijn patiënt.2. With digital or electronic gas mixers, it is generally possible to set the flow rate of the individual gases as well as the total flow rate and the oxygen concentration. There is no faster way to set frequently used mixtures. To modify any of these parameters (all of which together determine the mixture), the user must first select the parameter in question, either by touching the screen, by using a rotary knob or by pressing a parameter-specific button along the edge of the screen. Changing the value of the parameter is then done by turning a rotary knob, which is usually located on the right side of the screen. To confirm the value, the rotary knob is then pressed. This process must be repeated for each individual parameter in order to eventually arrive at a desired gas mixture. Not only is this cumbersome, but it also involves so-called cognitive dissonance, a common problem in user interfaces: it is not intuitive, for example, to first have to tap a parameter on the left of the touchscreen and then turn a rotary knob to the right of the screen. to change that parameter. The measurements of the gas mixture in digital gas mixers are usually represented by simulated rotameter tubes on the screen (skeomorphism). As a result, the user still does not see the measured oxygen concentration. The downside of both the analog and digital versions is that the entire process takes unnecessary time and/or effort in a medical environment where every second is critical. As a result, the user (anaesthetist, intensivist) cannot fully focus on his patient.

[5] OPLOSSING VOLGENS DE UITVINDING De metingen van het gasmengsel worden afgebeeld als een ringdiagram [AFBEELDING 1] waarvan het oppervlak concentrisch toeneemt naarmate het totale debiet. De afgebeelde ring bevat een segment voor elk gas in het mengsel (zuurstof en eventueel medisch lachgas of medische lucht en eventueel anestheticum), waarbij het betreffende gas wordt afgebeeld in de bijbehorende kleur volgens de regionale normering, bijvoorbeeld Europese (O2: wit, N20 : blauw, lucht : zwart-wit geblokt) of Amerikaanse normering (O2: groen; N20 : blauw; lucht : geel). Rondom het ringdiagram bevindt zich een cirkelsegment dat de resulterende FDO: (fraction of delivered oxygen) weergeeft. De debieten van de individuele gassen, het totale debiet en de FDO; worden ook numerisch weergegeven. Indien een bepaalde meting te ver afwijkt van de gevraagde instelling, wordt deze rood gekleurd om aan te geven dat er een probleem is. Wanneer er geen gasmengsel geleverd wordt (totale debiet = 0 liter per minuut), kan de ring een andere vorm aannemen (bijvoorbeeld een ronddraaiende cirkelgradient, [AFBEELDING 2]) om uitnodigend de aandacht van de gebruiker te trekken. Een bijkomende tekstuele instructie geeft aan 40 wat de gebruiker moet doen om het mengsel in te stellen.[5] SOLUTION ACCORDING TO THE INVENTION The gas mixture measurements are depicted as a donut chart [FIGURE 1] whose area increases concentrically with the total flow rate. The ring shown contains a segment for each gas in the mixture (oxygen and possibly medical nitrous oxide or medical air and possibly anesthetic), whereby the respective gas is depicted in the corresponding color according to the regional standard, for example European (O2: white, N20: blue, sky : black and white checkered) or American standard (O2: green; N20 : blue; sky : yellow). Surrounding the donut chart is a pie segment that represents the resulting FDO: (fraction of delivered oxygen). The flow rates of the individual gases, the total flow rate and the FDO; are also displayed numerically. If a particular reading deviates too far from the requested setting, it will be colored red to indicate a problem. When no gas mixture is supplied (total flow rate = 0 liters per minute), the ring can take on a different shape (e.g., a spinning circular gradient, [FIGURE 2]) to invitingly grab the user's attention. An additional textual instruction tells 40 what the user must do to set the mixture.

De gebruikersinterface om het mengsel van de gastoevoer in te stellen [AFBEELDING 3] wordt weergegeven wanneer de gebruiker tikt op het ringdiagram. Hierin kan de gebruiker kiezen welke gassen hij wil mengen en e wat het debiet van elk gas zal zijn [AFBEELDING 4] e of hoeveel het totale debiet en de totale zuurstofconcentratie zullen bedragen [AFBEELDING 3] De verzameling parameters die het mengsel bepalen kunnen samen met één druk op de OK-knop bevestigd worden.The user interface to set the gas supply mixture [FIGURE 3] is displayed when the user taps the donut chart. Here the user can choose which gases to mix and e what the flow rate of each gas will be [FIGURE 4] e or how much the total flow rate and the total oxygen concentration will be [PICTURE 3] The set of parameters that determine the mixture can be combined with can be confirmed by pressing the OK button.

Eventueel kan er met behulp van een schakelaar omgeschakeld worden tussen het instellen van individuele debieten of het instellen van het totale debiet en de zuurstofconcentratie [schakelaar rechtsboven op AFBEELDING 3 en 4].Optionally, a switch can be used to switch between setting individual flow rates or setting the total flow rate and the oxygen concentration [switch at the top right of FIGURE 3 and 4].

Het instellen van de debieten en de concentratie gebeurt door middel van keuzewieltjes, met daaronder een balk met vaakgebruikte instellingen, zodat de gebruiker met één vingertik de meest voorkomende instellingen kan zetten (bijvoorbeeld hoog debiet met 80% zuurstof voor het uitwassen van de longen kan met vier vingertikken ingesteld worden).The flow rates and concentration are set by means of dials, with a bar below with frequently used settings, so that the user can set the most common settings at the touch of a finger (e.g. high flow rate with 80% oxygen for lung washing can be done with four finger taps).

Elke onveilige instelling (hypoxische mengsels) wordt onmogelijk gemaakt door de user interface [AFBEELDING 5]. Zo wordt bijvoorbeeld het lachgasdebiet automatisch mee verlaagd als de gebruiker het zuurstofdebiet verlaagt en het mengsel hypoxisch dreigt te worden. Er wordt tevens een boodschap getoond en een geluid afgespeeld om de gebruiker attent te maken op deze wijziging. Bij uitbreiding kunnen bepaalde instellingen nog sneller verkregen worden door gebruik te maken van multi-touch gestures (bewegingen met meerdere vingers) op het ringdiagram. Zo kan bijvoorbeeld de totale gastoevoer in één enkele beweging gesloten worden door met twee vingers het ringdiagram dicht te knijpen.Any unsafe setting (hypoxic mixtures) is disabled by the user interface [FIGURE 5]. For example, the nitrous oxide flow rate is automatically reduced if the user decreases the oxygen flow rate and the mixture threatens to become hypoxic. A message is also displayed and a sound is played to alert the user to this change. By extension, certain settings can be obtained even faster by using multi-touch gestures on the donut chart. For example, the entire gas supply can be closed in a single movement by squeezing the ring diagram with two fingers.

VERTALING TERMINOLOGIE AFBEELDINGEN.TRANSLATION TERMINOLOGY IMAGES.

Fresh Gas : vers gas Air : Lucht Carrier Gas : Draag gas Total Flow : Totale debiet 02 Concentration : O2-concentratie 02 Flow : O2-Debiet Air Flow : Lucht Debiet N20 Flow : N20-debiet Cancel : AnnuleerFresh Gas : Fresh Gas Air : Air Carrier Gas : Carrier Gas Total Flow : Total Flow 02 Concentration : O2 Concentration 02 Flow : O2 Flow Air Flow : Air Flow N20 Flow : N20 Flow Cancel : Cancel

Claims (1)

[6] CONCLUSIES[6] CONCLUSIONS 1. Een gebruikersinterface voor het instellen van de samenstelling van de gastoevoer waarbij de individuele gasdebieten en het totale debiet worden ingesteld met behulp van keuzewieltjes.1. A user interface for setting the composition of the gas supply where the individual gas flow rates and the total flow rate are set using dials. 2. De gebruikersinterface van 1, met snelkeuzeknoppen bij elk keuzewieltje, voor snelle toegang van vaak gebruikte waarden.2. The 1 user interface, with speed dial buttons on each dial, for quick access to frequently used values. 3. De gebruikersinterface van 1, waarbij alle instellingen kunnen bevestigd worden met een aanraking van één enkele bevestigingsknop.3. The user interface of 1, where all settings can be confirmed with the touch of a single confirmation button. 4. De gebruikersinterface van 1, waarbij omgeschakeld kan worden tussen het instellen van de debieten van de individuele gassen of het instellen van het totale debiet en de concentratie zuurstof.4. The user interface of 1, which allows switching between setting the flow rates of the individual gases or setting the total flow rate and concentration of oxygen. 5. De gebruikersinterface van 1, waarbij de instellingen automatisch aangepast worden om gevaarlijke mengsels (bijvoorbeeld maar niet beperkt tot hypoxische mengsels) uit te sluiten.5. The user interface of 1, where the settings are automatically adjusted to exclude hazardous mixtures (eg, but not limited to hypoxic mixtures). 6. De gebruikersinterface van 5, waarbij de gebruiker met een boodschap en een geluid attent gemaakt wordt op de automatische aanpassing.6. The user interface of 5, alerting the user to the automatic adjustment with a message and a sound. 7. De gebruikersinterface van 1, waarbij de desbetreffende keuzewieltjes verdwijnen of naar een bepaalde waarde springen wanneer een bepaald gas onbeschikbaar wordt (ingangsdruk te laag).7. The user interface of 1, where the respective dials disappear or jump to a certain value when a certain gas becomes unavailable (input pressure too low). 8. De gebruikersinterface van 7, waarbij de gebruiker met een boodschap en een geluid attent gemaakt wordt op het onbeschikbaar worden van het gas.8. The user interface of 7, whereby the user is notified of the gas becoming unavailable with a message and a sound. 9. Een gebruikersinterface voor het weergeven van de gemeten samenstelling van de gastoevoer, waarbij het gasmengsel wordt afgebeeld als een ringdiagram of taartdiagram, waarvan het oppervlak concentrisch toeneemt of afneemt naarmate het totale debiet en met een segment voor elk gas in het mengsel, gekleurd volgens de regionate normeringen.9. A user interface for displaying the measured composition of the gas supply, wherein the gas mixture is depicted as a donut chart or pie chart, the area of which increases or decreases concentrically as the total flow rate and with a segment for each gas in the mixture, colored according to the regional standards. 10. De gebruikersinterface van 9, waarbij er zich rondom of binnenin het ringdiagram of cirkeldiagram een cirkelsegment bevindt dat de resulterende FDO: (fraction of delivered oxygen} weergeeft.10. The user interface of 9, where there is a pie slice around or inside the donut or pie chart representing the resulting FDO: (fraction of delivered oxygen} . 11. De gebruikersinterface van 9, waarbij de metingen en segmenten van kleur veranderen (bijvoorbeeld rood) wanneer de meting afwijkt van de gevraagde instelling.11. The 9 user interface where the readings and segments change color (e.g. red) when the reading deviates from the requested setting. 12. De gebruikersinterface van 9, waarbij de gebruiker door het ring- of cirkeldiagram dicht te knijpen met twee vingers de gastoevoer onmiddellijk sluit.12. The user interface of 9, where by squeezing the ring or pie chart with two fingers, the user immediately shuts off the gas supply. 13. De gebruikersinterface van 9, waarbij de gebruiker door het ring- of cirkeldiagram open te trekken met twee vingers de laatst gebruikte instelling opnieuw laadt.13. The user interface of 9, where by pulling open the donut or pie chart with two fingers, the user reloads the last used setting. 14. De gebruikersinterface van 9, waarbij de gebruiker door het ring- of cirkeldiagram open te trekken met twee vingers een voorgedefinieerde oxygenatie-instelling (hoog debiet en hoge concentratie zuurstof) laadt.14. The user interface of 9, where by pulling open the ring or pie chart with two fingers, the user loads a predefined oxygenation setting (high flow rate and high concentration oxygen).
BE20210005A 2021-01-08 2021-01-08 Touch screen user interface for setting and measuring the composition of the gas supply in a medical device BE1028827B1 (en)

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Publication number Priority date Publication date Assignee Title
US20160202890A1 (en) * 2013-08-29 2016-07-14 Weinmann Geraete Fuer Medizin Gmbh + Co. Kg Method and device for operating breathing apparatus
WO2020093363A1 (en) * 2018-11-09 2020-05-14 深圳迈瑞生物医疗电子股份有限公司 Method applied to monitoring device for responding to touch operation and monitoring device
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