ES2793449A1 - DEVICE FOR CUSTOMIZED FITTING OF MASKS (Machine-translation by Google Translate, not legally binding) - Google Patents
DEVICE FOR CUSTOMIZED FITTING OF MASKS (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES2793449A1 ES2793449A1 ES202030543A ES202030543A ES2793449A1 ES 2793449 A1 ES2793449 A1 ES 2793449A1 ES 202030543 A ES202030543 A ES 202030543A ES 202030543 A ES202030543 A ES 202030543A ES 2793449 A1 ES2793449 A1 ES 2793449A1
- Authority
- ES
- Spain
- Prior art keywords
- user
- mask
- ring
- face
- shape
- 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
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 230000001815 facial effect Effects 0.000 claims abstract description 3
- 239000004626 polylactic acid Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000010146 3D printing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 229920002261 Corn starch Polymers 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1161—Means for fastening to the user's head
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/084—Means for fastening gas-masks to heads or helmets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Eyeglasses (AREA)
Abstract
Description
DESCRIPCIÓNDESCRIPTION
Dispositivo para el ajuste personalizado de mascarillasDevice for custom fit of masks
Sector de la técnica.Technique sector.
La presente invención se refiere a un dispositivo para el ajuste personalizado de mascarillas, destinado tanto al personal sanitario como a cualquier persona que desee ajustarse una mascarilla de tipo quirúrgico, estableciendo un cierre de dicha mascarilla en torno a la nariz y a la boca, y la fijación de dicha mascarilla en posición de uso.The present invention refers to a device for the personalized adjustment of masks, intended for both healthcare personnel and anyone who wishes to adjust a surgical-type mask, establishing a closure of said mask around the nose and mouth, and the fixing said mask in position of use.
Estado de la técnica anteriorPrior state of the art
Actualmente son ampliamente utilizadas las mascarillas quirúrgicas para reducir el riesgo de contagio por virus o patógenos en suspensión.Surgical masks are currently widely used to reduce the risk of infection by viruses or pathogens in suspension.
Estas mascarillas comprenden de forma generalizada un cuerpo rectangular flexible y unas tiras elásticas laterales para su sujeción a la cabeza del usuario, de modo que en la posición de uso dicho cuerpo rectangular cubre holgadamente la nariz y la boca del usuario, reteniendo teóricamente las partículas arrastradas por el aire inspirado o exhalado por el usuario durante la respiración.These masks generally comprise a flexible rectangular body and lateral elastic strips for fastening to the user's head, so that in the position of use said rectangular body loosely covers the user's nose and mouth, theoretically retaining entrained particles. by the air inspired or exhaled by the user during breathing.
Estas mascarillas también incorporan una tira metálica para su ajuste sobre la nariz; sin embargo dichas mascarillas no se ajustan convenientemente al perímetro de la nariz y boca del paciente, por lo que una parte importante del aire inspirado o exhalado no pasa a través del cuerpo filtrante de la mascarilla, si no que se cuela por aberturas formadas entre la cara y el contorno de dicho cuerpo filtrante, lo que reduce considerablemente la capacidad de protección de la mascarilla.These masks also incorporate a metal strap to fit over the nose; However, said masks do not fit conveniently to the perimeter of the patient's nose and mouth, so that a significant part of the inspired or exhaled air does not pass through the filter body of the mask, but rather is filtered through openings formed between the face and contour of said filtering body, which considerably reduces the protection capacity of the mask.
Este inconveniente está determinado por varios factores, concretamente: el carácter flexible de la mascarilla, la forma aplanada de la misma, la dificultad de adaptación a la fisonomía de diferentes usuarios, y a la tensión de las gomas de sujeción que provoca, de una parte, la definición en los laterales de la mascarilla de unos pliegues o surcos de paso de aire y, de otra parte, una tracción sobre el borde superior de la mascarilla, que vence la resistencia de la tira metálica, con la consiguiente aparición de unas aberturas de paso de aire a ambos lados de la nariz.This drawback is determined by several factors, specifically: the flexible nature of the mask, its flattened shape, the difficulty of adapting to the physiognomy of different users, and the tension of the rubber bands that causes, on the one hand, the definition on the sides of the mask of folds or air passage grooves and, on the other hand, a traction on the upper edge of the mask, which overcomes the resistance of the metal strip, with the consequent appearance of openings of air passage to both sides of the nose.
Para evitar estos inconvenientes y conseguir que la mascarilla quirúrgica se ajuste alrededor de la nariz y la boca del usuario, es conocido el sistema “bellus3D” para el ajuste personalizado de la mascarilla a un usuario en concreto.To avoid these drawbacks and make the surgical mask fit around the nose and mouth of the user, the "bellus3D" system is known for customizing the mask to a specific user.
Este sistema consiste en:This system consists of:
- realizar un escáner 3D de la cara del usuario;- perform a 3D scan of the user's face;
- diseñar, en base a la imagen escaneada, un aro tridimensional provisto de unos enganches para tiras de sujeción y que se ajuste al contorno de la nariz y boca de dicho usuario, y - finalmente fabricar mediante impresión 3D una muestra física del aro diseñado.- design, based on the scanned image, a three-dimensional ring provided with hooks for fastening strips and that fits the contour of the nose and mouth of said user, and - finally, manufacture by 3D printing a physical sample of the designed ring.
Este sistema permite fabricar un aro para el ajuste de una mascarilla quirúrgica a un usuario en concreto, pero presenta algunos inconvenientes, entre los que cabe mencionar:This system makes it possible to manufacture a ring to fit a surgical mask to a specific user, but it has some drawbacks, including:
- es necesaria la presencia física de cada usuario quede desee un aro de ajuste para realizar el escaneo de su cara;- the physical presence of each user who wants an adjustment ring is necessary to perform the scan of their face;
- no es universal, sino personalizado, ya que cada aro es para un persona el concreto,- it is not universal, but personalized, since each ring is for a specific person,
- requiere la utilización de aparatos, concretamente un escáner 3d, un ordenador con un software de diseño -3D y una impresora 3d, que no son de uso habitual por la población en general y que requieren unos conocimientos específicos para su manejo y,- It requires the use of devices, specifically a 3d scanner, a computer with -3D design software and a 3d printer, which are not commonly used by the general population and which require specific knowledge to operate and,
- la utilización de este sistema no es viable en zonas subdesarrolladas que no disponen de infraestructuras, ni redes de distribución eléctrica para la conexión de los aparatos mencionados.- The use of this system is not feasible in underdeveloped areas that do not have infrastructures or electrical distribution networks to connect the aforementioned devices.
El problema técnico que se plantea es el desarrollo de un ddispositivo para el ajuste personalizado de mascarillas, que permita resolver los inconvenientes del antecedente mencionado y que tenga un carácter universal, permitiendo el ajuste de una mascarilla a la cara de cualquier persona, con independencia de su ubicación o de las formas de su cara, y sin necesidad de disponer de aparatos específicos para el escaneo, diseño e impresión 3D, de ni de conocimientos técnicos para su manejo. The technical problem that arises is the development of a device for the personalized adjustment of masks, which allows solving the inconveniences of the aforementioned antecedent and which has a universal character, allowing the adjustment of a mask to the face of any person, regardless of its location or the shapes of its face, and without the need for specific devices for scanning, design and 3D printing, or technical knowledge to handle it.
Explicación de la invenciónExplanation of the invention
El dispositivo para el ajuste personalizado de mascarillas objeto de la invención presenta unas características técnicas adecuadas para ajustar una mascarilla al contorno facial de cualquier usuario, de forma que la mascarilla cubra la nariz y la boca, y que no queden en su perímetro huecos de paso de aire, de modo que la totalidad del aire inspirado y exhalado pase a través de la mascarilla.The device for the personalized adjustment of masks object of the invention has suitable technical characteristics to adjust a mask to the facial contour of any user, so that the mask covers the nose and mouth, and that there are no gaps in its perimeter. of air, so that all of the inspired and exhaled air passes through the mask.
Otro objetivo de la invención es que el dispositivo se pueda ajustar fácilmente a cualquier usuario sin necesidad de utilizar equipos y programas de diseños que requieren una formación específica para su manejo.Another objective of the invention is that the device can be easily adjusted to any user without the need to use equipment and design programs that require specific training for its use.
De acuerdo con la invención este dispositivo comprende un aro de un polímero termoplástico que es maleable, y adecuado para adaptarse a la forma del contorno de la nariz y la boca del usuario, a una temperatura comprendida entre 45°C y 60°C., y que solidifica al enfriarse, manteniendo la forma adoptada de la cara del usuario.According to the invention, this device comprises a ring made of a thermoplastic polymer that is malleable, and suitable to adapt to the shape of the contour of the user's nose and mouth, at a temperature between 45 ° C and 60 ° C., and that solidifies on cooling, maintaining the adopted shape of the user's face.
Dicho aro comprende: una superficie anterior, una superficie posterior de contacto con la mascarilla a ajustar sobre la cara del usuario, y unos elementos de enganche de unas tiras elásticas adecuadas para sujetar a la cabeza del usuario el aro con la forma adaptada de la cara del usuario, y presionarlo contra la mascarilla, ajustándola a la cara del usuario.Said ring comprises: a front surface, a back surface in contact with the mask to fit on the user's face, and hooking elements of elastic straps suitable for holding the ring with the adapted shape of the face to the user's head. of the user, and press it against the mask, adjusting it to the user's face.
Con las características indicadas, basta con calentar el aro de polímero hasta la temperatura indicada para que se convierta en maleable, colocarlo en torno a la nariz y la boca, ir deformándolo con los dedos para que adopte la forma de dicha zona del usuario, y dejarlo enfriar posteriormente para que se solidifique manteniendo la forma en cuestión.With the indicated characteristics, it is enough to heat the polymer ring to the indicated temperature so that it becomes malleable, place it around the nose and mouth, deform it with your fingers so that it takes the shape of said user area, and let it cool later so that it solidifies maintaining the shape in question.
El calentamiento del aro se puede realizar en un horno microondas, seleccionando la potencia y el tiempo indicado por el fabricante; con un aire caliente de un secador de pelo, en un horno eléctrico o de gas controlando la temperatura, o con cualquier otra fuente de calor disponible; pudiendo ser el propio usuario el que lo posicione y presione contra la cara para que dicho aro adopte la forma de su cara; dejándolo enfriar a continuación para que solidifique y mantenga la forma adecuada para ese usuario en concreto. The heating of the ring can be done in a microwave oven, selecting the power and time indicated by the manufacturer; with hot air from a hair dryer, in an electric or gas oven controlling the temperature, or with any other available heat source; being able to be the user himself who positions it and presses against the face so that said ring adopts the shape of his face; then allowing it to cool to solidify and maintain the proper shape for that particular user.
De este modo se consigue que al colocar el dispositivo sobre la mascarilla y fijarlo en posición de uso por medio de las tiras de sujeción, el aro presione con su contorno la mascarilla ajustándola a la cara del usuario, garantizando un sellado perimetral y que el usuario va a respirar únicamente a través de la mascarilla.In this way, it is achieved that when placing the device on the mask and fixing it in the position of use by means of the fastening strips, the ring presses the mask with its contour, adjusting it to the user's face, guaranteeing a perimeter seal and that the user you will only breathe through the mask.
Una ventaja de este dispositivo es su carácter universal, ya que se puede ajustar a cualquier usuario; habiéndose previsto que se pueda fabrican en tres tallas o tamaños diferentes, para niños, jóvenes y personas adultas.An advantage of this device is its universal character, since it can be adjusted to any user; having foreseen that it can be manufactured in three different sizes or sizes, for children, young people and adults.
Según la invención el aro puede presentar cualquiera sección transversal, preferiblemente de forma: circular, elíptica, en media caña, o poliédrica.According to the invention, the ring can have any cross section, preferably circular, elliptical, half-round, or polyhedral.
Según la invención el polímero termoplástico es biodegradable, de forma que no constituya un problema para el medio ambiente cuando se deseche después de su utilización.According to the invention, the thermoplastic polymer is biodegradable, so that it does not constitute a problem for the environment when it is disposed of after use.
En una realización concreta el polímero termoplástico es ácido poliláctico (PLA) obtenido a partir de almidón de maíz, lo que le proporciona el mencionado carácter biodegradable.In a specific embodiment, the thermoplastic polymer is polylactic acid (PLA) obtained from corn starch, which gives it the aforementioned biodegradable character.
Breve descripción del contenido de los dibujos.Brief description of the content of the drawings.
Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las características de la invención, se acompaña a la presente memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, the present specification is accompanied by a set of drawings in which, by way of illustration and not limitation, the following has been represented:
- La figura 1 muestra una vista en alzado frontal del dispositivo de la invención, sin las tiras elásticas de sujeción al usuario.- Figure 1 shows a front elevation view of the device of the invention, without the elastic straps to hold the user.
- La figura 2 muestra una vista en perspectiva superior del dispositivo de la figura 1.- Figure 2 shows a top perspective view of the device of Figure 1.
- La figura 3 muestra una vista en alzado frontal del dispositivo de las figuras anteriores, en una posición de uso, una vez adaptada la forma del aro, en caliente, al contorno de la nariz y boca de un usuario, y realizando dicho aro un ajuste perimetral de una mascarilla contra la cara del usuario. - Figure 3 shows a front elevation view of the device of the previous figures, in a position of use, once the shape of the ring has been adapted, hot, to the contour of the nose and mouth of a user, and said ring making a perimeter fit of a mask against the wearer's face.
Exposición detallada de modos de realización de la invención.Detailed exposition of embodiments of the invention.
En el ejemplo de realización mostrado en las figuras 1 y 2, el dispositivo de la invención comprende un aro (1) de sección elíptica, provisto de una superficie anterior (11), una superficie posterior (12) y unos elementos de enganche (13) de unas tiras elásticas (2) para su sujeción la cabeza del usuario en una posición de uso, representada en la figura 3.In the embodiment shown in Figures 1 and 2, the device of the invention comprises a ring (1) of elliptical section, provided with a front surface (11), a rear surface (12) and hooking elements (13 ) of elastic straps (2) to hold the user's head in a position of use, represented in figure 3.
Los elementos de enganche (13) se encuentran situados simétricamente en laterales opuestos de la superficie anterior del aro (1).The hooking elements (13) are located symmetrically on opposite sides of the front surface of the ring (1).
En esta realización el aro (1) y los elementos de enganche (13) forman un cuerpo monopieza de un polímero termoplástico biodegradable, y más concretamente de ácido poliláctico (PLA), maleable a una temperatura comprendida entre 45°C y 60°C., y que solidifica al enfriarse a temperatura ambiente.In this embodiment, the ring (1) and the hooking elements (13) form a one-piece body of a biodegradable thermoplastic polymer, and more specifically of polylactic acid (PLA), malleable at a temperature between 45 ° C and 60 ° C. , and that solidifies when cooled to room temperature.
Para un correcto uso del dispositivo por un usuario, es preciso calentar el aro (1) a una temperatura comprendida dentro en el rango indicado, presionarlo contra el contorno de la nariz y boca del usuario para que adopte la forma correspondiente, y dejarlo enfriar para que solidifique y mantenga la forma adoptada de la cara del usuario.For a correct use of the device by a user, it is necessary to heat the ring (1) to a temperature within the indicated range, press it against the contour of the user's nose and mouth so that it adopts the corresponding shape, and let it cool to that solidifies and maintains the adopted shape of the user's face.
Como se muestra en la figura 3, una vez adaptada la forma del aro (1) a la cara del usuario, basta con posicionarlo sobre la mascarilla (3) y fijarlo a la cabeza del usuario mediante unas tiras elásticas (2) sujetas a los elementos de enganche (13) y que pasan por detrás de las orejas o de la cabeza.As shown in figure 3, once the shape of the ring (1) has been adapted to the user's face, it is enough to position it on the mask (3) and fix it to the user's head by means of elastic strips (2) attached to the hooking elements (13) and that pass behind the ears or the head.
En esta posición de uso, el aro (1) presiona la mascarilla (3) contra la cara del usuario, ajustándola y formando un cierre perimetral alrededor de la nariz y boca del usuario, garantizado que todo el aire de la respiración pase a través de la mascarilla (3), con lo que queda asegurada su funcionalidad.In this position of use, the ring (1) presses the mask (3) against the user's face, adjusting it and forming a perimeter seal around the user's nose and mouth, ensuring that all the breathing air passes through the the mask (3), thereby ensuring its functionality.
Una vez descrita suficientemente la naturaleza de la invención, así como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales, forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las características esenciales de la invención que se reivindican a continuación. Once the nature of the invention has been sufficiently described, as well as an example of a preferred embodiment, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the elements described may be modified, as long as this does not imply an alteration of the essential characteristics of the invention that are claimed below.
Claims (5)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES202030543A ES2793449A1 (en) | 2020-06-08 | 2020-06-08 | DEVICE FOR CUSTOMIZED FITTING OF MASKS (Machine-translation by Google Translate, not legally binding) |
| EP21820990.6A EP4133960A4 (en) | 2020-06-08 | 2021-02-25 | Device for the personalised adjustment of face-masks |
| PCT/ES2021/070132 WO2021250295A1 (en) | 2020-06-08 | 2021-02-25 | Device for the personalised adjustment of face-masks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES202030543A ES2793449A1 (en) | 2020-06-08 | 2020-06-08 | DEVICE FOR CUSTOMIZED FITTING OF MASKS (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2793449A1 true ES2793449A1 (en) | 2020-11-13 |
Family
ID=73149457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES202030543A Pending ES2793449A1 (en) | 2020-06-08 | 2020-06-08 | DEVICE FOR CUSTOMIZED FITTING OF MASKS (Machine-translation by Google Translate, not legally binding) |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4133960A4 (en) |
| ES (1) | ES2793449A1 (en) |
| WO (1) | WO2021250295A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150257918A1 (en) * | 2014-03-12 | 2015-09-17 | Rechargeable Battery Corporation | Thermoformable medical member with heater and method of manufacturing same |
| US20190223578A1 (en) * | 2018-01-22 | 2019-07-25 | Alps South, LLC | Thermoformable Retainer For Facemasks |
| WO2020008253A1 (en) * | 2018-07-04 | 2020-01-09 | Geremtzes Charalampos | Orthotic device, orthotic system and methods of manufacture and use thereof |
-
2020
- 2020-06-08 ES ES202030543A patent/ES2793449A1/en active Pending
-
2021
- 2021-02-25 EP EP21820990.6A patent/EP4133960A4/en active Pending
- 2021-02-25 WO PCT/ES2021/070132 patent/WO2021250295A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150257918A1 (en) * | 2014-03-12 | 2015-09-17 | Rechargeable Battery Corporation | Thermoformable medical member with heater and method of manufacturing same |
| US20190223578A1 (en) * | 2018-01-22 | 2019-07-25 | Alps South, LLC | Thermoformable Retainer For Facemasks |
| WO2020008253A1 (en) * | 2018-07-04 | 2020-01-09 | Geremtzes Charalampos | Orthotic device, orthotic system and methods of manufacture and use thereof |
Non-Patent Citations (1)
| Title |
|---|
| Bellus 3Dv Face Masks Fitter. Comunicado de prensa [en linea] . 31-04-2020, [en línea][recuperado el 04-11-2020]. Recuperado de Internet (URL:https://www.bellus3d.com/_assets/downloads/press/press-releases/20200331_COVID-19_Mask_Frame_Press_Release_v5.pdf), * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021250295A1 (en) | 2021-12-16 |
| EP4133960A4 (en) | 2024-05-15 |
| EP4133960A1 (en) | 2023-02-15 |
| WO2021250295A8 (en) | 2022-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2233288T3 (en) | AIR MASK WITH SEALED. | |
| ES2901991T3 (en) | Wearable protective devices, systems and methods with contactless control | |
| US3752157A (en) | Disposable headband and filter | |
| KR101943033B1 (en) | Mask for surgery | |
| KR101869654B1 (en) | Cold weather mask | |
| US6619290B1 (en) | Mouthpiece for reducing snoring | |
| US7143767B2 (en) | Mouthpiece for reducing snoring | |
| JP2013198723A (en) | Upper airway-opening auxiliary implement | |
| JP2023526135A (en) | HEADPIECES, FACE SHIELDS AND HOW TO USE THE HEADPIECES | |
| ES2793449A1 (en) | DEVICE FOR CUSTOMIZED FITTING OF MASKS (Machine-translation by Google Translate, not legally binding) | |
| ES1273296U (en) | DEVICE FOR CUSTOMIZED FITTING OF MASKS (Machine-translation by Google Translate, not legally binding) | |
| US20210361488A1 (en) | Eye Hydration Device Adapted for Employment With CPAP | |
| KR20110004874U (en) | Virus sterilizing mask | |
| US11871803B2 (en) | Wearable physical shield | |
| US9883972B2 (en) | Eye protection goggles | |
| KR101885965B1 (en) | Mask for blocking uv | |
| JP2022033639A (en) | Mask shape retaining frame structure | |
| US20230310782A1 (en) | A face shield, patient interface and related methods and uses thereof | |
| JP3233076U (en) | Glasses type mask device | |
| TWM540553U (en) | Autogenous energy resonance facial mask | |
| JP6949392B1 (en) | Mask with temperature control member | |
| JP3228049U (en) | Mouse shield | |
| CN212853807U (en) | Emergency department nursing goggles | |
| CN212233197U (en) | Mouth and eye integrated protective mask | |
| JP3228501U (en) | Face shield and face shield with mask |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA2A | Patent application published |
Ref document number: 2793449 Country of ref document: ES Kind code of ref document: A1 Effective date: 20201113 |
|
| PA2A | Conversion into utility model |
Effective date: 20210617 |