GB2576911A - Mask for alleviating the symptoms of nocturnal Lagophthalmos and method of manufacture thereof - Google Patents

Mask for alleviating the symptoms of nocturnal Lagophthalmos and method of manufacture thereof Download PDF

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Publication number
GB2576911A
GB2576911A GB1814522.7A GB201814522A GB2576911A GB 2576911 A GB2576911 A GB 2576911A GB 201814522 A GB201814522 A GB 201814522A GB 2576911 A GB2576911 A GB 2576911A
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GB
United Kingdom
Prior art keywords
mask
wearer
mask body
contours
inner face
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.)
Granted
Application number
GB1814522.7A
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GB201814522D0 (en
GB2576911B (en
Inventor
Mckendry Katherine
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.)
Eye Cove Ltd
Original Assignee
Eye Cove 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
Application filed by Eye Cove Ltd filed Critical Eye Cove Ltd
Priority to GB1814522.7A priority Critical patent/GB2576911B/en
Publication of GB201814522D0 publication Critical patent/GB201814522D0/en
Publication of GB2576911A publication Critical patent/GB2576911A/en
Application granted granted Critical
Publication of GB2576911B publication Critical patent/GB2576911B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/00718—Restoration of lid function
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/04—Devices for pressing such points, e.g. Shiatsu or Acupressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1645—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support contoured to fit the user
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/165—Wearable interfaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1683—Surface of interface
    • A61H2201/169—Physical characteristics of the surface, e.g. material, relief, texture or indicia
    • A61H2201/1695—Enhanced pressure effect, e.g. substantially sharp projections, needles or pyramids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/02—Head
    • A61H2205/027—Ears

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Rehabilitation Therapy (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

A mask for alleviating the symptoms of nocturnal Lagophthalmos comprising a mask body 2 to be fitted to a wearer's head and to over lay the eyes. Mask body 2 includes an inner face shaped to conform to orbital contours of the wearer’s face, so that when worn, the mask rests against the sleeping wearer's eyes to maintain the eyelids in a closed state. The mask body’s inner face may comprise raised formations 10 to engage the wearer’s eyelids. Raised formations 10 may comprise dimples. Preferably raised formations 10 comprise ribs that may extend transversely across the mask body’s inner face. Mask body 2 may comprise at least a portion with ventilation perforations 12. Also a method of making a mask for alleviating the symptoms of nocturnal Lagophthalmos comprising the steps of: modelling the wearer’s orbital contours; and making a mask body 2 that comprises an inner face conforming to the wearer’s orbital contours. The step of modelling orbital contours may comprises a 3D optical scanning process, possibly the modelling comprises a photogrammetry process using an image of the wearer’s face. At least a portion of the mask body 12 defining the inner face, may be formed by 3D printing.

Description

(54) Title of the Invention: Mask for alleviating the symptoms of nocturnal Lagophthalmos and method of manufacture thereof
Abstract Title: Mask for alleviating the symptoms of Nocturnal Lagophthalmos and method of manufacturing such a mask.
(57) A mask for alleviating the symptoms of nocturnal Lagophthalmos comprising a mask body 2 to be fitted to a wearer's head and to over lay the eyes. Mask body 2 includes an inner face shaped to conform to orbital contours of the wearer’s face, so that when worn, the mask rests against the sleeping wearer's eyes to maintain the eyelids in a closed state. The mask body’s inner face may comprise raised formations 10 to engage the wearer’s eyelids. Raised formations 10 may comprise dimples. Preferably raised formations 10 comprise ribs that may extend transversely across the mask body’s inner face. Mask body 2 may comprise at least a portion with ventilation perforations 12. Also a method of making a mask for alleviating the symptoms of nocturnal Lagophthalmos comprising the steps of: modelling the wearer’s orbital contours; and making a mask body 2 that comprises an inner face conforming to the wearer’s orbital contours. The step of modelling orbital contours may comprises a 3D optical scanning process, possibly the modelling comprises a photogrammetry process using an image of the wearer’s face. At least a portion of the mask body 12 defining the inner face, may be formed by 3D printing.
Mask for alleviating the symptoms of Nocturnal Lagophthalmos and Method of Manufacture Thereof
FIELD OF THE INVENTION
This invention relates to a mask for alleviating the symptoms of nocturnal lagophthalmos and to a method of manufacture thereof.
BACKGROUND OF THE INVENTION
Lagophthalmos is a condition in which a complete closure of the eyelids over the eyeball is difficult or impossible.
Medical causes include Bells palsy, Lyme’s disease, Ramsay Hunt syndrome, head trauma, facial nerve or related tumour eye and blepharoplasty (cosmetic surgery around the eye area to reduce the appearance of ageing).
Current solutions include taping the eye closed at night, applying drops and ointment and surgery to either upper or lower eyelids. Lagophthalmos is said to affect 5% to 10% of the population. There is a demonstrable demand for an eye mask that keeps the eyelids closed at night and that demand is not currently being met. However, current eye masks are a poor fit and are not able to keep the eye lid closed, instead focussing on attempting to maintain moisture in the partially open eyes.
SUMMARY OF THE INVENTION
According to a first aspect of the present invention there is provided a mask for alleviating the symptoms of nocturnal Lagophthalmos comprising a mask body adapted to be fitted to the wearer’s head overlying the eyes, an inner face of the mask body being shaped to conform to orbital contours of the wearers face such that the mask rests against the wearer’s eyes when worn to maintain the eyelids in a closed state when the wearer is sleeping.
Preferably the surface contours of the inner face of the mask body are determined by three dimensional data obtained from a scan or image of the orbital contours of the wearer’s face.
In a preferred embodiment at least the inner face of the mask body is made by a 3D printing process.
The inner mask may incorporate raised formations, such as a dimples and/or ribs, adapted to engage the wearer’s eyelids, in use. The ribs, where provided, may extend transversely across the inner face of the mask body.
In one embodiment the mask body comprises an outer mask and a liner affixed to the outer mask, said liner defining said inner face of the mask body. Preferably the liner is detachably mounted to the outer mask. More preferably the liner is made by a 3D printing process.
Alternatively the mask body comprises one piece, preferably by means of a 3D printing process.
The mask body may be made from a flexiblematerial.
The mask body may be perforated for ventilation.
According to a further aspect of the present invention there is provided a method of making a mask for alleviating the symptoms of nocturnal Lagophthalmos comprising the steps of modelling the orbital contours of the wearer, making a mask body having an inner face conforming to the orbital contours of the wearer such that the mask body can be worn by the wearer to maintain the wearer’s eyelids in a closed condition.
The step of modelling the orbital contours of the wearer may comprise a 3D optical scanning process or may comprise a photogrammetry process using an image of the wearer’s face.
Preferably at least a portion of the mask body defining said inner face shaped to conform to the scanned orbital contours of the wearer is formed by 3D printing.
In one embodiment the mask body comprises an outer mask and a liner releasably affixed thereto, wherein the inner face of the liner is shaped to conform to the scanned orbital contours of the wearer, wherein the liner is preferably made by a 3D printing process.
The method may further comprise forming raised formations on the inner face of the mask body adapted to engage the wearer’s eyelids, in use.
The present invention provides a light and comfortable mask tailored to the wearer’s face so that the mask is capable of reliably and comfortably hugging the orbital contours of its wearer, ensuring full closure of the wearer’s eyes when the mask is worn to alleviate the symptoms of nocturnal Lagophthalmos.
BRIEF DESCRIPTION OF THE DRAWINGS
A mask in accordance with embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings, in which :Figure 1 is a front view of a mask in accordance with a first embodiment of the present invention; and
Figure 2 is a side view of the mask of Figure 1;
Figure 3 is a top view of the mask of Figure 1;
Figure 4 is a front view of a mask in accordance with a second embodiment of the present invention;
Figure 5 is a rear view of the mask of Figure 4;
Figure 6 is a front view of a mask in accordance with a third embodiment of the present invention;
Figure 7 is a rear view of the mask of Figure 6; and
Figure 8 is a top view of the mask of Figure 6..
DETAILED DESCRIPTION OF THE DRAWINGS
As illustrated in Figures 1 to 3, a mask for alleviating the symptoms of nocturnal Lagophthalmos in accordance with a first embodiment of the present invention comprises a mask body 2, preferably manufactured from a plastic material by means of 3D printing, an inner face of the mask body being shaped to conform to the precise orbital contours of the wearer so that the inner face of the mask body hugs the orbital contours of the wearer when placed over the eyes such that the mask engages the eyelids and helps to retain the eyelids in a closed position while preventing drying of the eyes due to nocturnal Lagophthalmos, where normally the eyes may not completely close during sleep.
Slots 4 are provided at either side of the mask body 2 for receiving a retaining strap 6 to allow the mask to be held against the wearer’s face. The retaining strap 6 may be adjustable and/or elasticated to retain the mask body 2 in position over the wearer’s eyes.
In order to provide a tailored custom fit, the orbital contours of the wearer are first modelled, preferably using 3D scanning technology to scan the wearers face or by means of photogrammetry process based on an image of the wearer’s face. The use of such techniques provides a custom fit without requiring the wearer to suffer the time consuming and uncomfortable process of taking physical impressions of the wearer’s orbital contours.
Data related to the modelled orbital contours of the user’s face is then used to produce a mask wherein the inner surface of the mask body 2 conforms to the orbital contours of the users face. Preferably at least said inner surface of the mask body 2 is produced by means of a 3D printing process.
In one embodiment the mask comprises a one piece body preferably entirely manufactured by a 3D printing process such that the inner face of the body conforms to the orbital contours of the wearer.
In an alternative embodiment the mask may comprise a two part body, comprising a standard outer part to which the strap may be attached and a custom made liner coupled to the outer part, wherein the inner face of the liner conforms to the orbital contours of the wearer. The liner may be formed by means of a 3D printing process while the outer part may be formed by injection moulding. The liner may be detachably coupled to the outer part to permit replacement of the liner and/or fitting of a custom liner to the standard sized outer part.
The inner surface of the mask body, being tailored to confirm to the orbital contours of the wearer, hugs the precise orbital contours of its wearer without placing excessive or uncomfortable pressure on the wearer’s eyes, enabling the eyelids to function normally at night, thereby alleviating the symptoms of nocturnal Lagophthalmos.
In an alternative embodiment, as illustrated in Figures 4 and 5, the inner surface of the mask body 2 in the regions adapted to engage the wearer’s eyelids incorporates raised projections in the form of dimples 10 in order to help maintain full closure of weakened eyelids.
The mask body may comprise a generic shape suitable for numerous wearer’s. The mask body may be formed from a flexible material to facilitate fit for different wearers.
Alternatively at least the inner face of the mask body may be made to a custom shape tailored to conform to the orbital contours of a particular wearer. As discussed in relation to the first embodiment, in order to provide a tailored custom fit, the orbital contours of the wearer may be first modelled, preferably using 3D scanning technology to scan the wearers face or by means of photogrammetry process based on an image of the wearer’s face. The use of such techniques may provide a custom fit without requiring the wearer to suffer the time consuming and uncomfortable process of taking physical impressions of the wearer’s orbital contours.
The regions of the mask other than those adapted to overlay the wearer’s eyes may incorporate perforations 12 for ventilation to provide greater comfort, particularly where the mask body is made from a non-breathable material, such as silicone.
In a further embodiment, illustrated in Figures 6 to 8, the inner surface of the mask body 2 in the regions adapted to engage the wearer’s eyelids may incorporate raised projections in the form of ribs 10 running transversely across the inner face of the mask body 2 in order to help maintain full closure of weakened eyelids. Again, the mask body 2 may incorporate perforations 12 for ventilation.
The mask in accordance with the present invention is compact, lightweight, comfortable and attractive compared to prior art sleep masks, manufactured, preferably using 3D printing technology, using precise data corresponding to the orbital contours of the wearer. The mask may be made from eco-friendly, sustainable materials. The use of 3D printing may cut down on manufacturing waste by up to 60%.
It is envisaged that a further layer may be provided on an inner face of the mask, for example a thin lining, said further layer being impregnated or otherwise delivering a gel or other agent, for example to promote anti-ageing or other cosmetic objectives.
The invention is not limited to the embodiment(s) described herein but can be amended or modified without departing from the scope of the present invention.

Claims (24)

1. A mask for alleviating the symptoms of nocturnal Lagophthalmos comprising a mask body adapted to be fitted to the wearer’s head to overly the eyes, an inner face of the mask body being shaped to conform to orbital contours of the wearers face such that the mask rests against the wearer’s eyes when worn to maintain the eyelids in a closed state when the wearer is sleeping.
2. A mask as claimed in claim 1, wherein surface contours of the inner face of the mask body are determined by three dimensional data obtained from a scan or image of the orbital contours of the wearer’s face.
3. A mask as claimed in any preceding claim, wherein at least the inner face of the mask body is made by a 3D printing process.
4. A mask as claimed in any preceding claim, wherein the inner face of the mask body incorporates raised formations adapted to engage the wearer’s eyelids, in use.
5. A mask as claimed in claim 4, wherein said raised formations comprise dimples.
6. A mask as claimed in claim 4 or claim 5, wherein said raised formations comprise ribs.
7. A mask as claimed in claim 6, wherein said ribs extend transversely across the inner face of the mask body.
8. A mask as claimed in any preceding claim, wherein the mask body incorporates a strap to allow the mask to be fitted to the wearer’s head.
9. A mask as claimed in any preceding claim, wherein the mask body comprises an outer mask and a liner affixed to the outer mask, said liner defining said inner face of the mask body.
10. A mask as claimed in claim 9, wherein the liner is detachably mounted to the outer mask.
11. A mask as claimed in claim 9 or claim 10, wherein the liner is made by a 3D printing process.
12. A mask as claimed in any of claims 1 to 8, wherein the mask body comprises one piece.
13. A mask as claimed in claim 12, wherein the mask body is made by means of a 3D printing process.
14. A mask as claimed in any preceding claim, wherein the mask body is made from a substantially rigid material.
15. A mask as claimed in any preceding claim, wherein at least a portion of the mask body is perforated for ventilation.
16. A method of making a mask for alleviating the symptoms of nocturnal Lagophthalmos comprising the steps of modelling the orbital contours of the wearer, making a mask body having an inner face conforming to the orbital contours of the wearer such that the mask body can be worn by the wearer to maintain the wearer’s eyelids in a closed condition.
17. A method as claimed in claim 16, wherein the step of modelling the orbital contours of the wearer comprises a 3D optical scanning process.
18. A method as claimed in claim 17, wherein the step of modelling the orbital contours of the wearer comprises a photogrammetry process using an image of the wearer’s face.
19. A method as claimed in any of claims 16 to 18, wherein at least a portion of the mask body defining said inner face shaped to conform to the scanned orbital contours of the wearer is formed by 3D printing.
20. A method as claimed in any of claims 16 to 18, wherein the mask body comprises an outer mask and a liner releasably affixed thereto, wherein the inner face of the liner is shaped to conform to the scanned orbital contours of the wearer.
21. A method as claimed in claim 20, wherein the liner is made by a 3D printing process.
22. A method as claimed in any of claims 16 to 18, wherein the mask body comprises a single piece made by a 3D printing process.
23. A method as claimed in any of claims 16 to 22, further comprising forming raised formations on the inner face of the mask body adapted to engage the wearer’s eyelids, in use.
24. A method as claimed in claim 23, wherein said raised formations comprise dimples and/or ribs.
Intellectual
Property
Office
Application No: GB1814522.7
Examiner: Colin Powys
GB1814522.7A 2018-09-06 2018-09-06 Mask for alleviating the symptoms of nocturnal Lagophthalmos and method of manufacture thereof Active GB2576911B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1814522.7A GB2576911B (en) 2018-09-06 2018-09-06 Mask for alleviating the symptoms of nocturnal Lagophthalmos and method of manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1814522.7A GB2576911B (en) 2018-09-06 2018-09-06 Mask for alleviating the symptoms of nocturnal Lagophthalmos and method of manufacture thereof

Publications (3)

Publication Number Publication Date
GB201814522D0 GB201814522D0 (en) 2018-10-24
GB2576911A true GB2576911A (en) 2020-03-11
GB2576911B GB2576911B (en) 2021-05-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891252A (en) * 1956-06-01 1959-06-23 Lazo Mario Sleeping device
US20010039442A1 (en) * 2000-05-06 2001-11-08 Sal Gorge Headache relief device
US20160228293A1 (en) * 2015-02-11 2016-08-11 Robert Latkany Method and apparatus for closing the eyes of persons with nocturnal lagophthalmos
US20170143555A1 (en) * 2011-10-08 2017-05-25 Mary Frances Riley Facial Structure Stabilization Methods and Apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891252A (en) * 1956-06-01 1959-06-23 Lazo Mario Sleeping device
US20010039442A1 (en) * 2000-05-06 2001-11-08 Sal Gorge Headache relief device
US20170143555A1 (en) * 2011-10-08 2017-05-25 Mary Frances Riley Facial Structure Stabilization Methods and Apparatus
US20160228293A1 (en) * 2015-02-11 2016-08-11 Robert Latkany Method and apparatus for closing the eyes of persons with nocturnal lagophthalmos

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Publication number Publication date
GB201814522D0 (en) 2018-10-24
GB2576911B (en) 2021-05-05

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