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Publication numberUS2149067 A
Publication typeGrant
Publication dateFeb 28, 1939
Filing dateDec 1, 1937
Priority dateMay 12, 1937
Publication numberUS 2149067 A, US 2149067A, US-A-2149067, US2149067 A, US2149067A
InventorsCarlos Otero
Original AssigneeCarlos Otero
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Surgical mask
US 2149067 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

Feb. 28, 1939.

c. IOTERQ 2,149,067

SURGICAL MASK Filed Dec. l, 1937 IfiVGHBr; Carlos Ofeko,

Patented Feb. 28, 1939 UNITED STATES PATENT OFFICE Application December 1, 1937, Serial No. 177,556 In Mexico May 12, 1937 2 Claims.

The invention relates to improvements in the masks or coverings for the face worn by surgeons, assistants and nurses during surgical and other treatments of patients, in order to avoid the breath and the nasal and buccal secretions from coming into contact with receptive organs and producing infections. For this purpose there have generally been used linen bandages applied over the nose and mouth, or veils hanging down the face, which appliances make breathing difficult or are easily displaced by the movements of the head.

The mask according to the invention adapts itself perfectly to the front part of the face, covers completely the mouth and nose and stays in place in whatever position the head may take. It is constructed so as to leave openings at the sides of the face for breathing and may therefore be worn without discomfort during prolonged periods of time. t is further constructed so as to permit it to be taken apart readily for washing the linen cover and sterilizing the metal frame.

In the accompanying drawing:

Figure 1 shows the mask applied to the face.

Figure 2 is a view of the metallic frame supporting the covering of the mask.

Figure 3 shows the complete mask viewed from the back or inside.

Figure 4 is a detail of the upper edge of the front cover of the mask, with the hem partially cut away and showing the strip of soft metal inserted in the hem.

As appears from the drawing, the mask comprises a metal frame, a covering stretched over,

said frame, and means for attaching the mask to the face.

The metal frame is preferably made of wire and comprises two side members I and I, each of which is formed of a straight wire extending downwardly, with an eye 2 at the top. This Wire is bent back upon itself for a short distance at the lower extremity of the side member, and then curves outwardly and back again, its end being soldered to the eye 2. The side members I and I are connected by two parallel cross wires 3 and 4 curved outwardly so as to surround the front part of the face approximately between the tip of the nose and the mouth and soldered with their ends to the curved front parts of the side members. The lower ends of said side members are bent somewhat inwardly so as to adapt themselves to the sides of the chin when the mask is worn.

The whole front part of the metal frame is covered with fabric which at the sides only reaches the outwardly curved front parts of the side members i and l The lower part of this covering is puckered inwardly so as to cover the chin. The covering preferably comprises an inner cover 5 and an outer cover 6, stitched to- 5 gether along three sides so as to provide a pocket open at the top, into which is inserted a sheet i of some impervious material such as rubber, oil cloth etc. which prevents the breath from passing through the covering. This covering is attached 10 to the frame by means of two upper pockets 8 and two lower pockets 9 sewn to the corners of the inner cover 5, the upper pockets 8 opening downwardly and the lower pockets 9 upwardly. Into these pockets 8 and 9 are inserted the upper 15 and lower extremities of the side members I and l as shown in Figure 3, the fabric stretching sufficiently to enable said extremities to enter into said pockets. It will be clear that the pockets thus constructed are capable of being laundered 20 without damage to their structure and shape and this attribute is expressed in the claims by the term laundry-proof. The upper edge of the outer cover 6 is folded and sewn down so as to provide a hem I0 (Figure 4), into which is in- 25 serted a strip II of soft metal such as aluminum which, when the mask is placed on the face, is bent around the ridge of the nose so as to fit this part closely to the face. The metal strip Il may be withdrawn from the side of the hem l0 when the covering is to be cleaned.

The mask described is attached to the face by means of two bands or ribbons l2 sewn to the sides, of the covering at the upper pockets 8 and which are tied at the back of the head. For 35 holding the lower part of the mask against the chin, two short bands 13 extend from the lower pockets 9 and are fastened to the upper bands l2. The short bands 13 may be replaced by longer bands tied together at the back of the neck. 40

As appears from the foregoing, the mask adapts itself perfectly to the face, bearing against the ridge of the nose and adjoining parts and covering the chin, but leaving unobstructed the nostrils and the mouth, from which the covering is kept away by the curved members 3 and 4. The side members i and l not covered by the fabric, provide apertures for breathing, so that the mask may be worn for any length of time without discomfort. The covering is easily removed for cleaning and replaced on the Wire frame, and the frame itself may be bent to any particular shape of the face.

What I claim is:

1. A washable and sterilizable surgical mask comprising a wire frame having vertical side members each having a straight back part and a curved front part, and a pair of substantially parallel horizontal outwardly curved front members, a covering made of washable fabric and including impervious material, stretched upon said frame, permanent, laundry-proof pockets provided at the back of said covering and engaging the upper and lower extremities of said side members, a strip of soft metal provided in the upper part of said covering for fitting it to the face, and means comprising bands for holding the upper and lower parts of the mask against the face.

2. A washable and sterilizable surgical mask comprising a Wire frame having two substantially parallel vertical side members each having a straight back part and a curved front part, and a pair of substantially parallel horizontal outwardly curved front members secured to said curved front parts, a covering made of washable fabric and including impervious material, stretched upon said frame, permanent, laundryproof pockets provided at the back of said covering and engaging the upper and lower extremities of said side members, a strip of soft metal provided in the upper part of said covering for fitting it to the face, and means comprising bands for holding the upper and lower parts of the mask against the face.

CARLOS OTERO.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3288138 *Oct 14, 1965Nov 29, 1966Louis SachsSurgical mask
US4969457 *Sep 29, 1989Nov 13, 1990Tecnol, Inc.Body fluids barrier mask
US5237986 *May 14, 1991Aug 24, 1993Minnesota Mining And Manufacturing CompanyRespirator harness assembly
US5446925 *Oct 27, 1993Sep 5, 1995Minnesota Mining And Manufacturing CompanyAdjustable face shield
US5694925 *Dec 12, 1995Dec 9, 1997Tecnol Medical Products, Inc.Face mask with enhanced seal and method
US5699792 *Oct 9, 1996Dec 23, 1997Tecnol Medical Products, Inc.Face mask with enhanced facial seal
US5702406 *Sep 11, 1995Dec 30, 1997Brainlab Med. Computersysteme GmbbDevice for noninvasive stereotactic immobilization in reproducible position
US5704349 *Oct 21, 1994Jan 6, 1998Tecnol Medical Products, Inc.Surgical face mask with darkened glare-reducing strip and visor
US5727565 *May 26, 1995Mar 17, 1998Wood; Deloris GrayKissing shield
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US6497232Oct 16, 2001Dec 24, 2002Cabot Safety Intermediate CorporationRespirator headpiece and release mechanism
US6789799Jul 12, 2002Sep 14, 2004Deloris Gray WoodKissing shield game and method of use thereof
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US7086646Jul 16, 2004Aug 8, 2006Deloris Gray WoodKissing shield game and method of use thereof
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US8505535Dec 23, 2009Aug 13, 2013Resmed LimitedMask system
US8517023Jan 29, 2008Aug 27, 2013Resmed LimitedMask system with interchangeable headgear connectors
US8522784Jan 23, 2013Sep 3, 2013Resmed LimitedMask system
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US8550084Feb 27, 2009Oct 8, 2013Resmed LimitedMask system
US8746250Jan 28, 2013Jun 10, 2014Resmed R&D Germany GmbhBreathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas
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US8944061Mar 15, 2013Feb 3, 2015Resmed LimitedCushion to frame assembly mechanism
US8960196May 29, 2013Feb 24, 2015Resmed LimitedMask system with interchangeable headgear connectors
US9027556Jan 23, 2013May 12, 2015Resmed LimitedMask system
US9119931Jul 31, 2014Sep 1, 2015Resmed LimitedMask system
US9144656Jun 21, 2013Sep 29, 2015Resmed R&D Germany GmbhBreathing mask arrangement as well as an application device and a forehead support device for same
US9259549Mar 1, 2013Feb 16, 2016Resmed R&D Germany GmbhBreathing mask arrangement and a forehead support device for same
US20010012373 *Feb 7, 2001Aug 9, 2001Siemens AktiengesellschaftGarment-worn microphone, and communication system and method employing such a microphone for voice control of devices
US20030226564 *Feb 12, 2003Dec 11, 2003Laerdal Medical AsMask cover
US20050040595 *Jul 16, 2004Feb 24, 2005Wood Deloris GrayKissing shield game and method of use thereof
US20060278239 *May 30, 2006Dec 14, 2006Deloris WoodKissing shield game and method of use thereof
US20090071483 *Feb 7, 2007Mar 19, 2009Se Hwa SonMask having holding object
US20100319700 *Feb 27, 2009Dec 23, 2010Resmed LimitedMask system
US20110220111 *May 17, 2011Sep 15, 2011Map Medizin-Technologie GmbhApplication device for a breathing mask arrangement
USD473937Oct 16, 2001Apr 29, 2003Cabot Safety Intermediate Corp.Respirator
Classifications
U.S. Classification128/863, 128/206.16
International ClassificationA41D13/11, A41D13/05
Cooperative ClassificationA41D13/11
European ClassificationA41D13/11