DieErfindung liegt auf dem Gebiet von Gesichtsmasken für Beatmungsgeräte gemäß dem Oberbegriffdes Patentanspruchs 1.TheInvention is in the field of face masks for ventilators according to the preambleof claim 1
ObstruktiveAtmungsstörungenführenzu Apnoen (Atemstillstand), durch die der Schlafende erwacht. Häufige Apnoenverhindern, dass der Schlafende in den erholsamen Tiefschlaf fällt. Menschen,die Apnoen währenddes Schlafens erleiden, sind deshalb tagsüber unausgeschlafen, was zusozialen Problemen am Arbeitsplatz und im schlimmsten Fall zu tödlichenUnfällen,beispielsweise bei Berufskraftfahrern, führen kann.obstructiverespiratory disordersto leadto apnea (respiratory arrest), through which the sleeping person awakens. Frequent apneasprevent the sleeping person from relaxing in deep sleep. People,the apneas duringSleep are therefore not well-rested during the day, which is toosocial problems in the workplace and, in the worst case, deadlyaccidentsFor example, in professional drivers, can lead.
Bekanntsind Gerätezur Durchführungder CPAP (continuous positive airway pressure)-Therapie. Die CPAP-Therapiewird in Chest. Volume No. 110, Seiten 1077-1088, Oktober 1996 undSleep, Volume No. 19, Seiten 184-188 beschrieben. Ein CPAP-Gerät appliziertmittels eines Kompressors oder einer Turbine, vorzugsweise über einenLuftbefeuchter, übereinen Schlauch und eine Nasenmaske einen positiven Überdruckbis zu etwa 30 mbar in den Atemwegen des Patienten. Dieser Überdrucksoll gewährleisten,dass die oberen Atemwege währendder gesamten Nacht vollständiggeöffnetbleiben und somit keine Apnoen (Atemstillstände) auftreten (
Die
DieWO 00/66209 A1 offenbart eine Vorrichtung zur Erfassung elektrischerPotenziale im Stirnbereich eines Patienten. Zu diesem Zweck umfasst dieVorrichtung eine im Stirnbereich applizierbare Elektrodeneinrichtung,die an einem Stirnauflageelement befestigt ist, das mit einem Maskenkörper mechanischdurch einen Atemgaskanal gekoppelt ist. Bei einer Ausführungsformsind Maskenkörper, Atemgaskanalsowie Stirnauflageelement integral aus einem elastomeren Material,insbesondere Silikonkautschuk hergestellt. Am Stirnauflageelement kannein Stirnband zur wiederholbar positionsgenauen Applizierung derElektroden angebracht werden. Im Bereich einer Kopplungsstelle zwischendem Atemgasschlauch und dem Atemgaskanal kann eine Kugelgelenkseinrichtungvorgesehen sein, durch welche die Einleitung etwaiger Drehmomentedurch den Atemgasschlauch in die Atemmaske reduziert wird.TheWO 00/66209 A1 discloses a device for detecting electricalPotential in the forehead area of a patient. For this purpose, theDevice an electrode device that can be applied in the forehead region,which is attached to a forehead support member which mechanically with a mask bodyis coupled by a breathing gas channel. In one embodimentare mask body, respiratory gas channeland end support element integrally made of an elastomeric material,in particular silicone rubber produced. On the forehead support element cana headband for repeatable precise application of theElectrodes are attached. In the area of a coupling point betweenthe breathing gas hose and the breathing gas channel can be a ball joint devicebe provided, through which the initiation of any torquesis reduced through the breathing gas hose into the breathing mask.
Die
Die
Ausder
Fernerist aus der WO 03/004082 A1 ein Ausatemventil für Beatmungsgeräte, insbesondere CPAP-Geräte bekannt.Die WO 03/004082 A1 wird durch Bezugnahme in diese Anmeldung eingeschlossen.Das Ausatemventil dient im Wesentlichen dazu, einen unmittelbarenLuftfluss von einem Beatmungsgerätzu einer Ausatemöffnungzu unterbinden. Vielmehr soll währendder Inspiration der Luftfluss lediglich vom Beatmungsgerät zum Patienten oderBenutzer nicht aber zur Ausatemöffnungund währendder Exspiration vom Patienten zur Ausatemöffnung, nicht aber zum Beatmungsgerät zurück erfolgen.Dies wird durch einen beweglichen Kolben erreicht. Ist während derInspiration der patientenseitige Druck geringerer als der vom Beatmungsgerät gelieferteDruck, so wird der Kolben in Richtung Patienten gedrückt. Erverschließtin dieser Stellung die Ausatemöffnungund öffneteinen Überströmkanal zwischenPatienten und Beatmungsgerät.Ist umgekehrt bei der Exspiration der patientenseitige Druck höher alsder vom Beatmungsgerätgelieferte Druck, wird der Kolben in Richtung Beatmungsgerät gedrückt undverschließtin dieser Stellung den Überströmkanal undgibt die Ausatemöffnungfrei.Furthermore, from WO 03/004082 A1 an exhalation valve for ventilators, in particular CPAP devices known. WO 03/004082 A1 is incorporated by reference into this application. The exhalation valve serves essentially to prevent an immediate air flow from a respirator to an exhalation. Rather, during inspiration, the air flow should only be from the respirator to the patient or user but not to the exhalation and during exhalation from the patient to the exhalation port, but not back to the respirator. This is achieved by a movable piston. During inspiration, the patient side pressure is less than that of the ventilator delivered pressure, the piston is pushed towards the patient. In this position, it closes off the exhalation opening and opens an overflow channel between the patient and the ventilator. Conversely, when exhaling the patient-side pressure is higher than the pressure supplied by the ventilator, the piston is pushed towards the ventilator and closes in this position the overflow and releases the exhalation.
Esist Aufgabe der Erfindung, eine komfortablere Gesichtsmaske für . Beatmungsgeräte anzugeben.ItIt is an object of the invention to provide a more comfortable face mask for. Specify ventilators.
DieseAufgabe wird durch eine Gesichtsmaske gemäß Anspruch 1 gelöst.TheseThe object is achieved by a face mask according to claim 1.
BevorzugteAusführungsformensind Gegenstand der abhängigenAnsprüche.preferredembodimentsare the subject of the dependentClaims.
EinGelenk zwischen Nasenteil und Stirnteil erlaubt eine einfache Anpassungder Gesichtsmaske an die Gesichtsform eines Benutzers.OneJoint between nose piece and front part allows easy adjustmentthe face mask to the face shape of a user.
Demgleichen Zweck dient ein flexibler Übergang zwischen dem Nasenteilund dem Stirnteil. Die Flexibilität des Übergangs kann durch eine umlaufendeFalte, eine Einstülpung,einen Wellschlauch, einen Spiralschlauch oder einen Faltenbalg erhöht werden.Durch die Anpassung der Gesichtsmaske an die Kopfform des Benutzerskann der Schlauch enger am Kopf geführt werden, was die Einleitungvon Drehmomenten in die Maske aufgrund des kurzen Hebelarms vermindert.thesame purpose serves a flexible transition between the nose partand the front part. The flexibility of the transition can be achieved by a circumferentialWrinkle, an invagination,a corrugated hose, a spiral hose or a bellows are increased.By adapting the face mask to the user's head shapethe hose can be guided closer to the head what the initiationtorques in the mask due to the short lever arm reduced.
Vorteilhaftan der Herstellung des flexiblen Überganges und des Nasenteilsaus einem Stück sinddie geringeren Herstellungskosten aufgrund der geringeren Anzahlvon Teilen und die bessere Dichtung.Advantageouson the production of the flexible transition and the nose partare one piecethe lower manufacturing costs due to the smaller numberof parts and the better seal.
Vorteilhaftan der Anordnung eines Ausatemventils vor dem Stirnteil ist, dasshier das Ausatemventil den Tragekomfort der Gesichtsmaske am wenigsten beeinträchtigt.So wird das Sichtfeld durch das Ausatemventil wenig eingeschränkt. Esstört bei Bewegungenwenig und der Beatmungschlauch kann eng am Kopf des Benutzers geführt werden, wasdie Einleitung von Drehmomenten in die Maske durch den kurzen Hebelarmgering hält.Advantageouson the arrangement of an exhalation valve in front of the front part is thathere the exhalation valve least affected the wearing comfort of the face mask.Thus, the field of view is limited by the exhalation valve. Itinterferes with movementslittle and the breathing tube can be kept close to the user's head, whichthe introduction of torques into the mask by the short lever armkeeps low.
Vorteilhaftan einem Ausatemventil, das Luft lediglich vom Beatmungsschlauchanschlusszum Nasenteil, nicht aber vom Beatmungsschlauchanschluss unmittelbarin die Umgebung und/oder vom Nasenteil in die Umgebung, nicht aberzum Beatmungsschlauchanschluss fließen lässt, ist ein geringerer erforderlichermittlerer Luftfluss. Aufgrund des geringeren Luftflusses kann dasBeatmungsgerätmit geringerer Leistung betrieben werden.Advantageouson an exhalation valve, the air only from the breathing tube connectionto the nose part, but not directly from the breathing tube connectionin the environment and / or the nose part in the environment, but notflows to the breathing tube connection, a lower is requiredaverage airflow. Due to the lower air flow, theventilatorbe operated at a lower power.
Vorteilhaftan der Herstellung des Nasenteils aus einem flexiblen Maskenkissenund einem weitgehend starren Maskenkörper ist eine hohe Dichtigkeit ohnebei einem Benutzer Druckstellen im Gesicht zu hinterlassen.Advantageouson the production of the nose part from a flexible mask cushionand a substantially rigid mask body is a high tightness withoutleaving a bruising on the user's face.
Vorteilhaftan Silicon ist seine gute Hautverträglichkeit.AdvantageousOn Silicon is its good skin tolerance.
Vorteilhaftan der Verbindung eines Befestigungsbands durch einen Schnappverschlussmit dem Maskenkörperist der hohe Bedienungskomfort, da Befestigungsband und Maskenkörper schnellvoneinander getrennt oder miteinander verbunden werden können, ohnedie effektive Längedes Befestigungsbands und damit die Anpassung an die Kopfgröße des Benutzerszu verändern.Advantageousat the connection of a fastening strap by a snap closurewith the mask bodyis the high ease of use, as fastening tape and mask body quicklycan be separated from each other or connected to each other, withoutthe effective lengththe fastening strap and thus the adaptation to the head size of the userto change.
DieVerwendung von Stirnkissen am Stirnteil erhöht den Tragekomfort.TheUse of forehead cushion on the front part increases the wearing comfort.
DerEinsatz von festen Stegen im Stirnteil erleichtert die Übertragungvon durch den Beatmungschlauch in den Stirnteil eingeleiteten Drehmomentenvom Stirnteil auf den Kopf ohne allzu hohe Drücke zu erzeugen.Of theUse of fixed webs in the front part facilitates the transferof torques introduced through the breathing tube into the face partFrom the front part to the head without too high pressures to produce.
Einerotationssymmetrische Ausgestaltung des Beatmungsschlauchanschlussesermöglichtein Verdrehen des Schlauches gegenüber der Gesichtsmaske und minimiertso die Übertragungvon Drehmomenten vom Schlauch auf die Gesichtsmaske.Arotationally symmetrical design of the breathing tube connectionallowsa twisting of the hose relative to the face mask and minimizedso the transfertorques from the hose to the face mask.
DieVerwendung von ineinander eingreifenden Verzahnungen zwischen Nasenteilund Stirnteil fixiert einerseits das Nasenteil gegenüber demStirnteil und ermöglichtandererseits eine quasistufenlose Verstellung des Winkels zwischenNasenteil und Stirnteil, um den Winkel an die Gesichtsform des Benutzersanzupassen. Verzahnungen sind vorteilhafterweise preiswert herzustellen.TheUse of meshing teeth between nosepieceand front part fixed on the one hand the nose part opposite theFront part and allowson the other hand a quasistufenlose adjustment of the angle betweenNose part and front part to the angle to the face shape of the useradapt. Gears are advantageously inexpensive to manufacture.
DasAnbringen zumindest einer Verzahnung auf einer biegsamen Lascheermöglichtden Eingriff der Verzahnungen ineinander auf einfache Weise durchVerbiegen der Lasche zu lösen,um den Winkel zwischen Nasenteil und Stirnteil zu ändern.TheAttaching at least one toothing on a flexible taballowsthe engagement of the teeth in each other in a simple mannerBending the tab to release,to change the angle between the nosepiece and the front part.
ImFolgenden werden bevorzugte Ausführungsformender Erfindung unter Bezugnahme auf die beiliegende Figur beschrieben.in theThe following are preferred embodimentsof the invention with reference to the accompanying figure.
Diein
Nasenteil
DasStirnteil
Stirnteil
Stirnteil
Dieoberen Laschen
DerBeatmungschlauch
DasAusatemventil
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE2003131837DE10331837B3 (en) | 2003-07-14 | 2003-07-14 | Face mask for breathing gear has cover fitting over part of face and nose of user, connected to air hose at top with fastening device engaging patient's forehead and flexible bellows | 
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE2003131837DE10331837B3 (en) | 2003-07-14 | 2003-07-14 | Face mask for breathing gear has cover fitting over part of face and nose of user, connected to air hose at top with fastening device engaging patient's forehead and flexible bellows | 
| Publication Number | Publication Date | 
|---|---|
| DE10331837B3true DE10331837B3 (en) | 2005-01-20 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE2003131837Expired - Fee RelatedDE10331837B3 (en) | 2003-07-14 | 2003-07-14 | Face mask for breathing gear has cover fitting over part of face and nose of user, connected to air hose at top with fastening device engaging patient's forehead and flexible bellows | 
| Country | Link | 
|---|---|
| DE (1) | DE10331837B3 (en) | 
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| Date | Code | Title | Description | 
|---|---|---|---|
| 8100 | Publication of the examined application without publication of unexamined application | ||
| 8364 | No opposition during term of opposition | ||
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |