• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    fluid-filled adjustable contact lens an fluid-filled adjustable contact lens is provided. an exemplary contact lens includes a lens chamber configured to be positioned on a user's pupil wearing the contact lens; a reservoir fluidly connected to the lens chamber; an actuator configured to transfer fluid in both directions between the lens chamber and the reservoir; a sensor configured to sense the user's movement and transmit a control signal when a predetermined movement is performed by the user; and a processor configured to actuate the actuator upon receipt of the sensor control signal.
    公开号:BR112013008726B1
    申请号:R112013008726
    申请日:2011-10-11
    公开日:2020-04-22
    发明作者:Nibauer Lisa；Egan William
    申请人:Adlens Beacon Inc；
    IPC主号:
    专利说明:

    (54) Title: ADJUSTABLE CONTACT LENS FILLED WITH FLUID (51) Int.CI .: G02C 7/08.
    (30) Unionist Priority: 11/10/2010 US 61/391782.
    (73) Owner (s): ADLENS BEACON, INC ..
    (72) Inventor (s): WILLIAM EGAN; LISA NIBAUER.
    (86) PCT Application: PCT US2011055743 of 11/10/2011 (87) PCT Publication: WO 2012/051167 of 19/04/2012 (85) Date of Beginning of the National Phase: 10/04/2013 (57) Summary: ADJUSTABLE CONTACT LENS FILLED WITH FLUID An adjustable contact lens filled with fluid is provided. An exemplary contact lens includes a lens chamber configured to be positioned on a pupil of a user who wears the contact lens; a reservoir fluidly connected to the lens chamber; an actuator configured to transfer fluid in both directions between the lens chamber and the reservoir; a sensor configured to sense the user's movement and transmit a control signal when a predetermined movement is performed by the user; and a processor configured to actuate the actuator upon receipt of the sensor control signal.
    / 17
    ADJUSTABLE CONTACT LENS FILLED WITH FLUID BASICS
    Field [001] Modalities of the present invention refer to fluid-filled lenses and, in particular, fluid-filled adjustable contact lenses.
    Fundamentals of the Technique [002] Basic fluid lenses have been known since 1958, as described in U.S. Patent 2,836,101, incorporated herein in its entirety by reference. More recent examples can be found in "Dynamically Reconfigurable Fluid Core Fluid Cladding Lens in a Microfluidic Channel" by Tang et al., Lab Chip, 2008, vol. 8, p. 395 and in publication WIPO WO2008 / 063442, each of which is incorporated herein in its entirety by reference. These fluid lens applications are focused on photonics, phone technology and digital and microelectronic camera.
    [003] Fluid lenses have also been proposed for ophthalmic applications (see, for example, U.S. patent 7,085,065, which is incorporated herein in its entirety by reference). The adjustment of the power in fluid lenses has been done by injecting additional fluid into a lens cavity, by electrolysis, by applying ultrasonic impulse and by using the swelling force in a cross-linked polymer by introducing a swelling agent such as water .
    [004] In all cases, the advantages of fluid lenses, such as a wide dynamic range, the ability to provide adaptive correction, robustness and low cost, have to be balanced against the limitations in the size of the aperture, the possibility of leakage and consistency performance. The '065 patent, for example, has revealed several improvements and modalities aimed at effective fluid containment in the fluid lens to be used in ophthalmic applications (see, for example, U.S. patent
    Petition 870200020767, of 12/02/2020, p. 12/42 / 17
    6,618,208, which is incorporated herein in its entirety by reference).
    BRIEF SUMMARY [005] An adjustable contact lens filled with fluid is provided. An exemplary contact lens includes a lens chamber configured to be positioned on a pupil of a user wearing the contact lens, a reservoir fluidly connected to the lens chamber, an actuator configured to transfer fluid in both directions between the camera and lens and reservoir, a sensor configured to sense user movement and transmit a control signal when a predetermined movement is made by the user, and a processor configured to actuate the actuator upon receipt of the sensor control signal.
    [006] The contact lens can include a pressure sensor configured to detect a blink by a user using the contact lens and the predetermined movement can be a predetermined blink pattern measured by the pressure sensor. The contact lens may additionally, or alternatively, include a microaccelerometer configured to detect movement of the user's eyeball measured by the microaccelerometer. The contact lens can additionally, or alternatively, include a sensor configured to detect movement of the user's eyebrows and the predetermined movement can be a predetermined movement of the user's eyebrows measured by the sensor.
    [007] Additional modalities, features and advantages of the present invention, as well as the structure and operation of the various modalities of the present invention, are described in detail below with reference to FIGS. attached.
    BRIEF DESCRIPTION OF THE DRAWINGS [008] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate the present invention and, together
    Petition 870200020767, of 12/02/2020, p. 13/42 / 17 with the description, additionally serve to explain the principles of the invention and allow those skilled in the relevant technique to make and use the invention.
    [009] FIG. 1 illustrates a front view of a fluid-filled adjustable contact lens embodiment.
    [0010] FIG. 2 illustrates a side view of the contact lens of FIG. 1.
    [0011] FIG. 3 illustrates a front view of another embodiment of an adjustable fluid-filled contact lens.
    [0012] FIG. 4 illustrates a side view of the contact lens of FIG. 3. [0013] Modalities of the present invention will be described with reference to the accompanying drawings.
    DETAILED DESCRIPTION [0014] Although specific configurations and arrangements are discussed, it should be understood that this is done for illustrative purposes only. Those skilled in the art will realize that other configurations and arrangements can be used without departing from the spirit and scope of the present invention. It will be apparent to those skilled in the relevant art that this invention can also be employed in a variety of other applications.
    [0015] It should be noted that references in the specification to “a specific modality”, “any modality”, “an example modality”, etc. indicate that the described modality may include a particular feature, structure or feature, but each modality may not necessarily include a particular feature, structure or feature. In addition, these terms do not necessarily refer to the same modality. Additionally, when a particular feature, structure or feature is described with respect to one modality, it would be within the knowledge of those skilled in the art to perform such feature, structure or feature with respect to other modalities, whether or not explicitly described.
    [0016] Many individuals rely on glasses, contact lenses and
    Petition 870200020767, of 12/02/2020, p. 14/42 / 17 similarly in order to improve your vision. Adjustable fluid-filled lenses have several advantages over conventional fixed magnifier devices.
    [0017] In some modalities, a lens filled with fluid can be adjusted continuously in a power range desired by the user. This allows a user to adjust the power to precisely match the refractive error for a distance from the particular object in a particular light environment to compensate for changes in the natural depth of focus of the eye that depends on the size of the user's pupil. In some modalities, fluid-filled lenses can alternatively, or additionally, be used to provide image magnification outside the physiological range of human vision.
    [0018] Some individuals wear glasses or contact lenses with separate lens regions that provide different optical properties. For example, a first region can correct myopia, while a second region can correct hyperopia. Alternatively, one or both regions may provide little or no optical correction. Examples of such multifocal lenses include conventional bifocal and trifocal lenses, which are often separated by a visible line in different regions. Another type of multifocal lens is known as a progressive lens. In this lens, the separate regions are separated by a gradual change in optical properties. Users often complain that such multifocal and progressive lenses have distortion, image bounce and / or limited optical zones.
    [0019] FIGS. 1 and 2 illustrate a front and side view, respectively, of a contact lens 10 according to an embodiment of the present invention. The contact lens 10 includes a front surface 12 and a rear surface 14, and includes a lens module filled with fluid 16 disposed between the front and rear surfaces 12, 14. The contact module
    Petition 870200020767, of 12/02/2020, p. 15/42 / 17 fluid-filled lens 18 includes a front membrane 22 fluidly sealed to a rear membrane 24 with an opening leading to reservoir 20. To change the optical power of the fluid-filled lens module 16, an actuator 28 handles the reservoir 20 for transferring fluid between the lens chamber 18 and the reservoir 20, thereby causing the front and rear membranes 22, 24 to change shape. In FIG. 1, the lens chamber 18 defines an optical zone 30 configured to provide the user with a clear, undistorted view. In this embodiment, the optical zone 30 is roughly the same size as the camera of lens 18. In other embodiments, the optical zone 30 can be larger or smaller than the camera of lens 18, in the desired manner.
    [0020] In one embodiment, the total fluid volume of the lens module 16 is approximately 5 x 10 -5 cc, with the fluid volume in the lens chamber 18 itself being approximately 0.14 mm 3 , or 1.4 x 10 -5 cc. In one embodiment, the additional fluid required to increase the optical power in the lens chamber 18 by 3.0 degrees is 1.4 x 10 -5 cc.
    [0021] In one embodiment, as liquid moves into and out of the lens chamber 18, the curvature of the front membrane 22 changes between an optical power suitable for distant focus and an optical power suitable for close focus. In some embodiments, the front membrane 22 also deforms the front surface 12 of the contact lens 10, resulting in a greater curvature of the front surface 12, which can result in greater optical power. In other embodiments, the front surface 12 does not deform when one or both membranes 22, 24 are inflated or deflated. In one embodiment, the inflated membrane is an aspheric form with negative aspheric aberration, which may be suitable for individuals who suffer from myopia. In one embodiment, a peak swelling at maximum inflation does not cause a significant increase in pressure on the individual's cornea. For example, in such a modality, maximum inflation can
    Petition 870200020767, of 12/02/2020, p. 16/42 / 17 be about 3 microns per degree for a 3.5 mm diameter optic.
    [0022] In one embodiment, the deformation of the lens chamber 18 can produce a non-spherical deflection. To counteract this, the front and / or rear surfaces 12, 14 of the contact lens 10 can be aspherical to correct any astigmatism created by the deflection. For example, in one embodiment, the front surface 12 can counteract astigmatism caused by deformation, whereas in another embodiment, the rear surface 14 counteracts deformation. Additionally, or alternatively, the thickness of one or both of the front and rear membranes 22, 24 can be contoured so as to effect a spherical deformation of the membrane when inflated. For example, in one embodiment, the front membrane 22 includes an insertion portion that is more flexible than other portions of the front membrane 22, such that the transfer of fluid between the lens chamber 18 and the reservoir 20 causes the the shape of the insertion portion changes spherically without substantially changing portions of the front membrane 22 in addition to the insertion portions.
    [0023] As illustrated in FIG. 1, the optical zone 30 is located in the center of the contact lens 10, and is designed to be centered in the pupillary center of the user's eye. The diameter of the optical zone 30 can vary from 3-6 mm to match the size of the user's pupil. In one embodiment, the diameter of the optical zone 30 is 3.5 mm. Optical zone 30, however, can be significantly smaller or larger than the user's pupil, if desired. In FIG. 1, the contact lens 10, lens chamber 18 and optical zone 30 are circular in shape, but one or more of these features may be of any other suitable shape, such as elliptical or oval. As an example, some users may want an optical zone with a greater horizontal range. The outer edge 32 of the lens chamber 18, corresponding to the optical zone 30 in the embodiment of FIG. 1, can be smoothly mixed into the lens
    Petition 870200020767, of 12/02/2020, p. 17/42 / 17 contact 10, so that image bounce or noticeable image distortions are avoided. In some embodiments, the transition zone is approximately 2-3 mm wide. In some embodiments, the transition zone is 1-5 mm long. The length of the transition zone can be determined by the gradient in power in this zone, since the visual performance of this zone is less important, compared to the optical zone 30. Because the reservoir 20 is located outside the optical zone 30 and so outside the user's field of view, the fluid stored in the reservoir 20 does not affect the user's vision.
    [0024] In one embodiment, the front membrane 22 and the rear membrane 24 are formed of a single continuous piece of membrane material. In other embodiments, the membranes can be separate pieces sealed together along one or more edges. For example, the front membrane 22 and the rear membrane 24 can be sealed together through their outer edges 32. The opening 26 in the seal is located in the reservoir 20 to allow fluid to flow between the lens chamber 18 and the reservoir 20 Reservoir 20 is shown in FIG. 1 substantially rectangular in shape and extending in the radial direction out of the optical zone 30. The reservoir 20, however, can be square, circular, elliptical, triangular or in any other suitable way. In some embodiments, the reservoir 20 extends only partially in the radial direction. For example, in some embodiments, the reservoir 20 is substantially "L" shaped, with a portion of the reservoir arranged concentrically with the outer edge 32 of the optical zone 30.
    [0025] In one embodiment, the front membrane 22 and the rear membrane 24 are substantially the same size and shape. In one embodiment, both the front membrane 22 and the rear membrane 24 are flexible sheets. In other embodiments, only the front and rear membranes 22 and 24 are flexible. The front and rear membranes 22, 24 are
    Petition 870200020767, of 12/02/2020, p. 18/42 / 17 configured to form a fluid envelope between the two membranes. The two membranes can be attached to each other by any suitable method, such as adhesive, ultrasonic welding or any similar process. The membranes 22 and 24 can be sealed to the contact lens 10 by any known method, such as heat sealing, adhesive sealing or laser welding. Membranes 22 and 24 can be at least partly connected to a support element which, in turn, is attached to the contact lens 10. Membranes 22 and 24 can be substantially flat when sealed, but can be thermoformed in one specific curvature or spherical geometry.
    [0026] In certain embodiments, the membranes 22 and 24 themselves may have no restrictions on their optical properties. In other embodiments, membranes 22 and 24 have restrictions on their optical properties, for example, a refractive index that matches the optical properties of the fluid in the lens module 16.
    [0027] The choice of materials for each of the parts in the contact lens modalities described here can be informed by the requirements of mechanical properties, temperature sensitivity, optical properties such as dispersion, moldability properties, or any other factor apparent to those versed in the technique. In one embodiment, the thickness of the membranes can vary between 3 and 10 microns, or any other suitable thickness. The membranes may be made of a transparent flexible water-impermeable material, such as, for example, and without limitation, clear and elastic polyolefins, polycycloaliphatics, polyethers, polyesters, polyimides and polyurethanes, for example, poly (chloride chloride) films. vinylidene). Other polymers suitable for use as membrane materials include, for example, but are not limited to, polysulfones, polyurethanes, polythourethanes, poly (ethylene terephthalate), cycloolefin polymers and aliphatic or alicyclic polyethers. The membranes described here
    Petition 870200020767, of 12/02/2020, p. 19/42 / 17 can be made of a biocompatible waterproof material, such as cycloaliphatic hydrocarbon. The front and rear membranes 22, 24 can be made of the same or different materials.
    [0028] The reservoir can be made, for example, and without limitation, from poly (vinylidene difluoride), such as thermal contraction VITON®, supplied by DuPont Perfoamance Elastomers LLC of Wilmington, DE, DERAY - KYF 190 manufactured by DSG -CANUSA of Meckenheim, Germany (flexible), RW-175 manufactured by Tyuco Electronics Corp. of Berwyn, PA (formerly Raychem Corp.) (semi-rigid) or any other suitable material. Additional embodiments of a reservoir are described in U.S. Patent Publication 2011/0102735 which is incorporated herein in its entirety.
    [0029] In some embodiments, the front surface 12 of the contact lens 10 is spherical and can have the same curve over its entire surface. In one embodiment, the rear surface 14 is aspheric and has a more complex curvature of the front surface that gradually changes from the center of the lens to the edge, in order to provide a slimmer profile and a desired power profile as a function of the gauze angle. , the angle of deviation from the horizontal being defined here as the angle formed between the real line of sight and the main axis of the lens including the fluid.
    [0030] In one embodiment, the front surface 12 has a meniscus shape, that is, convex on its front side and concave on its rear side. Thus, both the front and rear surfaces 12, 14 are curved in the same direction. The rear surface 14 can be thicker in the center and thinner at the edge, i.e., the radius of curvature of the front surface 12 is less than the radius of curvature of the rear surface 14.
    [0031] In one embodiment, contact lens 10 is made of a conventional soft contact lens material, such as crosslinked polymer with silicone hydrogel, with a refractive index of 1.42 to 1.46. THE
    Petition 870200020767, of 12/02/2020, p. 20/42 / 17 contact lens 10 may alternatively be a rigid optical lens made of glass, plastic or any other suitable material. Some suitable materials include, for example, and without limitation, bisalyl diethyl glycol carbonate (EDG-BAG), poly (methyl methacrylate) (PMMA) and polyurea complex, bisphenol A polycarbonate or CRF-39 (diethylene glycol bisalyl carbonate) . The contact lens 10 can be made of an impact resistant polymer and can have a scratch resistant coating or an anti-reflective coating.
    [0032] The fluid used in the fluid lens can be a colorless fluid, however, other modalities include fluid that is dyed, depending on the application. An example of a fluid that can be used is manufactured by Dow Corning of Midlad, MI, under the name “diffusion pump oil”, which is also generally referred to as “silicone oil”. In some embodiments, the fluid may be an aliphatic polysiloxane with a retractive index matching the contact lens material.
    [0033] As previously described, the contact lens 10 comprises the actuator 28 which operates to compress the reservoir 20 to transfer fluid between the reservoir 20 and the optical zone 30, which deforms the lens chamber 18. In one embodiment, the actuator 28 is a piezoelectric actuator. For example, actuator 28 may include a piezoelectric material configured to deform when a stress is applied to the material. In one embodiment, the piezoelectric material includes transparent electrodes attached to it. In one embodiment, actuator 28 collides with reservoir 20 and is movable in opposite directions substantially transverse to reservoir 20. The movement of actuator 28 in a direction facing reservoir 20 increases the pressure within reservoir 20, and the movement of actuator 28 in a direction away from the reservoir 20, the pressure inside the reservoir decreases 20. In one embodiment, the piezoelectric actuator 28 is not perceptible to a user wearing the contact lens 10.
    Petition 870200020767, of 12/02/2020, p. 21/42 / 17 [0034] Examples of suitable piezoelectric materials include piezoelectric substances, such as barium titanate, Rochelle salt, rock crystal, tourmaline, potassium dihydrogen phosphate (KDP), ammonium dihydrogen phosphate (ADP) and niobate lithium, polycrystals of piezoelectric substances, crystals of piezoelectric substances, piezoelectric ceramics comprising a solid solution of PbZrO3 and PbTiO3, organic piezoelectric substances, ie poly (vinyl difluoride) (PVCF) and other ferroelectric materials.
    [0035] Energy can be supplied to actuator 28 by a capacitor 38. Capacitor 38 can be any capacitor suitable to be implemented in a small optical component, such as a supercapacitor using ion-doped carbon nanotubes. Other suitable capacitors can be used. In one embodiment, these parts are not noticeable to a user who wears a contact lens 10.
    [0036] Energy can be supplied to capacitor 38 in a number of different ways. For example, the user's blinking energy can be harnessed by a pressure sensor 34. Pressure sensor 34 can be, for example, a piezoelectric component that converts flashing pressure forces into electricity, which is then stored in capacitor 38. A thermoelectric generator 36 can alternatively, or in addition, be used to generate energy for the actuator using the Seebeck effect to harness energy from a temperature gradient through the contact lens. In another example, energy can be added to capacitor 38 via wireless induction from an external source.
    [0037] For some modalities, the power requirement to support the lens module 16 is estimated to be less than 10 microwatts. In some embodiments, each component can be powered by a single power supply. In other embodiments, components can have separate power supplies, as desired. Similarly, the various
    Petition 870200020767, of 12/02/2020, p. 22/42 / 17 components can be housed in a single unit or for some modalities. In some embodiments, the components can be housed separately in order to distribute them in the lens module.
    [0038] The electrical potential stored in capacitor 38 can be used by actuator 28 to change the optical power of lens module 16. A user's action can trigger an action by actuator 28. For example, contact lens 10 may include a sensor configured to sense the movement of a user using the contact lens. When a predetermined movement is made by the user and sensed by the sensor, the sensor can send a control signal to a processor (described below). Upon receipt of the control signal, the processor is configured to actuate actuator 28.
    [0039] In one embodiment, the predetermined movement is a predetermined blinking pattern and a pressure sensor (described below) is configured to detect blinking by a user using the contact lens. For example, a double or triple blink can be used as a signal to change the optical power.
    [0040] In another mode, the predetermined movement is a movement of the user's eyeball in a particular pattern, and a microaccelerometer is configured to detect this movement of the user's eyeball. For example, the contact lens 10 can include an angular sensor and can be arranged, for example, in such a way that, when the user looks down, the lens module 16 is adjusted to provide focus to a nearby object, at step that when the user looks up, or looks horizontally, the lens module 16 can be adjusted to focus on a distant object. In some modalities, the optical power can be changed by the user by moving his eyeball or opening and closing his eyelids in a specific pattern. In one embodiment, the microaccelerometer 42 is not noticeable to a user using the
    Petition 870200020767, of 12/02/2020, p. 23/42 / 17 contact 10.
    [0041] In an additional modality, the predetermined movement is a predetermined movement of the user's eyebrows and a pressure sensor is configured to detect a movement like this of the user's eyebrows. For example, three tucked-in eyebrows can be used as a signal to change optical power.
    [0042] The eyebrow shrinkage accompanies a tightening of the eye muscles that can be sensed by a piezoelectric pressure sensor, the output of which is used to provide a trigger for the activation of the fluid cell.
    [0043] Processor 40, such as the application-specific integrated circuit (ASIC) can be used to receive signals from the sensor (s), amplify or otherwise process the signal and deliver the signal to supply voltage to the actuator 28 through capacitor 38. Processor 40 may include various combinations of analog or digital circuit assemblies in the form of discrete components or integrated circuits, hardware, software and / or firmware under computer or microprocessor control. Processor 40 may also include various functional and / or structural components, such as memory, clock and processing structures, transmitting and receiving data and devices necessary to support the operation of lens module 16. In one embodiment, the processor is not noticeable to a user wearing contact lens 10.
    [0044] In one embodiment, the lens module 16 can have two different states, such that the optical power of the lens is automatically switched from one state to the other state whenever a predetermined movement is detected by the sensor (s) (s). This can allow a user to easily switch between, for example, near-field optical power and far-field optical power. This bistable configuration can be built in the edge or peripheral portions of the
    Petition 870200020767, of 12/02/2020, p. 24/42 / 17 membrane. In such a case, stable configurations may include a particular dimension of reservoir 20 associated with two unequal volumes, one corresponding to the configuration of the liquid cell module required to provide correction for distance vision, the other corresponding to the configuration required to provide correction for close view of the user. In this mode, the actuator fires and allows the reservoir to move from one volume setting to another, but the energy to cause this movement comes from the mechanical energy in the reservoir material or the actuator material itself.
    [0045] In another mode, one type of movement by a user indicates to the actuator 28 that the power must be increased in a predetermined increment, while the other type of movement by the user indicates that the power must be decreased in a predetermined increment.
    [0046] In one embodiment, once the optical power of the contact lens 10 is adjusted, the actuator 28 can be changed or disabled to prevent further adjustment of the optical properties of the contact lens 10 by the user.
    [0047] In one embodiment, actuator 28, pressure sensor 34, thermoelectric generator 36, capacitor 38, processor 40 and / or microaccelerometer 42, as well as required connections between them, are made of transparent or translucent materials, in order to minimize its appearance in the user's eye, when the user is wearing contact lens 10. Additionally, or alternatively, actuator 28, pressure sensor 34, thermoelectric generator 36, capacitor 38, processor 40 and / or microaccelerometer 42, as well as connections required between them, they can be made small enough, for example, from micromaterials or nanomaterials, so that their appearance that stays in the user's eye when the user is wearing contact lens 100 is indistinct.
    [0048] The aspects described above represent different
    Petition 870200020767, of 12/02/2020, p. 25/42 / 17 components contained or connected in different other components. It must be understood that such architectures represented are merely exemplary, and that, in fact, many other architectures can be implemented that achieve the same functionality. In a conceptual sense, any arrangement of components to achieve the same functionality is effectively “associated”, in such a way that the desired functionality is achieved. Consequently, any two components combined here to achieve a particular functionality can be seen as "associated" with each other, in such a way that the desired functionality is achieved, regardless of the architectures or intermediate components. Similarly, any two components thus associated can also be viewed as "operationally connected", or "operationally coupled" to each other to achieve the desired functionality.
    [0049] FIGS. 3 and 4 illustrate front and side views, respectively, of another modality of contact lens 44 including a plurality of reservoirs surrounding the optical zone 46. For the sake of simplicity, the contact lens 44 is illustrated with an amount less than all the components described above with respect to FIGS. 1 of 2. However, those skilled in the art will realize that the sensor and electrical components described above with respect to FIGS. 1 and 2 can also be incorporated into the modalities of FIGS. 3 and 4. The contact lens 44 includes a first reservoir 48 extending in a downward direction from the optical zone 46 and the second reservoir 50 extending in an upward direction from the optical zone 46. This arrangement opposite of reservoirs can allow the reservoirs to balance, so that the contact lens maintains proper placement in the user’s eye. Reservoirs 48 and 50 can be positioned in different arrangements. For example, both reservoirs can be located at the base of the contact lens, or they can
    Petition 870200020767, of 12/02/2020, p. 26/42 / 17 be located at a 90 degree angle, or any other suitable angle, in relation to each other. In one embodiment, more than two reservoirs are provided along the outer edge 52 of optical zone 46. For example, the reservoirs can be positioned in radial holes spaced at regular intervals around the outer edge 52. In another embodiment, the reservoirs they are positioned only along an upper portion of the optical zone 46.
    [0050] It should be noted that the detailed description section, and not the summary and summary sections, should be used to interpret the claims. The summary and summary sections may have one or more exemplary modalities, but not all, of the present invention, contemplated by the inventor (s), and thus are not intended to limit the present invention and the attached claims in any way. In particular, the purpose of the summary presented is to allow the US Trademark Office and the general public, and especially scientists, engineers and technology practitioners unfamiliar with patent or legal terms or phraseology to quickly determine from a quick inspection the nature and essence of the technical revelation of the order. The summary, therefore, should not limit the scope of the invention in any way.
    [0051] The present invention has been described here with the help of functional building blocks illustrating the implementation of specified functions and their relationships. The limits of these functional building blocks have been arbitrarily defined here for convenience of the description. Alternative limits can be defined, as long as the specified functions and their relationships are properly performed.
    [0052] The description presented of the specific modalities thus will completely reveal the general nature of the invention that others can, applying knowledge within the competence of the technology, quickly modify and / or adapt these specific modalities to various applications, without
    Petition 870200020767, of 12/02/2020, p. 27/42 / 17 undue experimentation, without departing from the general concept of the present invention. Therefore, such adaptations and modifications must be within the meaning and scope of equivalents of the revealed modalities, based on the precept and guideline presented here. It should be understood that the phraseology or terminology here is for the purpose of description, not limitation, in such a way that the terminology or phraseology of the present specification must be interpreted by those skilled in the art in the light of the precepts and guideline.
    [0053] The scope and scope of the present invention should not be limited in any way to the exemplary modalities described above, but should be defined only in accordance with the following claims and their equivalents.
    [0054] The claims in the application in question are different from those in the patent application or other related applications. The claimant therefore terminates any waiver of the scope of the claim made in the patent application or any previous application in relation to the application in question. The examiner, therefore, is advised that any such prior waiver and references cited that was made to avoid, may need to be revised. In addition, the examiner is also reminded that any waivers made on the application in question should not be read on, or against, the parent application.
    Petition 870200020767, of 12/02/2020, p. 28/42 / 2
    权利要求:
    Claims (8)
    [1]
    1. Adjustable contact lens (10) located outside a user's eyeball filled with fluid, comprising:
    a front surface (12) and a rear surface (14) configured to counteract astigmatism caused by the deformation of a lens chamber (18) positioned in a user's pupil using the contact lens (10);
    a reservoir (20) fluidly connected to the lens chamber (18);
    an actuator (28) configured to transfer fluid in both directions between the lens chamber (18) and the reservoir (20);
    a sensor configured to detect user movement and transmit a control signal when a predetermined movement is made by the user; and a processor (40) configured to actuate the actuator upon receipt of the sensor control signal, characterized by the fact that the lens chamber (18) is arranged between the front surface (12) and the rear surface (14), in which the lens chamber (18) comprises a front membrane (22) sealed to a rear membrane (24);
    wherein the fluid-filled adjustable contact lens is configured in such a way that fluid transfer causes a change in optical power of the fluid-filled adjustable contact lens by changing a first curvature of the front membrane (22) of the lens chamber (18), which causes a change in a second curvature of the front surface (12) of the fluid-filled adjustable contact lens;
    wherein the reservoir (20) and the actuator (28) are housed within the fluid-filled adjustable contact lens.
    [2]
    2. Contact lens according to claim 1,
    Petition 870200020767, of 12/02/2020, p. 29/42
    2/2 characterized by the fact that the sensor is a pressure sensor (34) configured to detect blinking by the user using the contact lens (10), and the predetermined movement is a predetermined blinking pattern.
    [3]
    3. Contact lens according to claim 1, characterized by the fact that the sensor is a microaccelerometer (42) configured to detect movement of the user's eyeball, and in which the predetermined movement is a predetermined pattern of movement of the eyeball of user.
    [4]
    4. Contact lens according to claim 1, characterized by the fact that the sensor is a sensor configured to detect movement of the user's eyebrows, and in which the predetermined movement is a predetermined pattern of movement of the user's eyebrows.
    [5]
    5. Contact lens according to claim 1, characterized by the fact that it additionally comprises a capacitive power supply (38) configured to supply power to the actuator (28) and the processor (40).
    [6]
    6. Contact lens according to claim 5, characterized by the fact that it additionally comprises a thermoelectric energy generator (36) configured to supply energy to the capacitive power source (38) using energy from a temperature gradient through the contact lens. contact (10).
    [7]
    7. Contact lens according to claim 5, characterized in that it additionally comprises a piezoelectric component configured to convert a flashing pressure force into electricity for storage in the capacitive power supply (38).
    [8]
    8. Contact lens according to claim 5, characterized by the fact that the capacitive power supply is an inductive power supply.
    Petition 870200020767, of 12/02/2020, p. 30/42
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    同族专利:
    公开号 | 公开日
    EP2628044A1|2013-08-21|
    MX2013004011A|2013-05-20|
    EP2628044A4|2014-06-04|
    AU2011316750A1|2013-05-09|
    RU2603439C2|2016-11-27|
    US9500884B2|2016-11-22|
    KR20130116878A|2013-10-24|
    JP2017037318A|2017-02-16|
    SG189301A1|2013-05-31|
    JP2013541049A|2013-11-07|
    US20120268712A1|2012-10-25|
    IL225685A|2018-04-30|
    CN103329030B|2015-09-09|
    ZA201302727B|2014-06-25|
    AU2011316750A8|2013-06-06|
    RU2013119245A|2014-11-20|
    SG10201508383QA|2015-11-27|
    BR112013008726A2|2016-06-28|
    CA2814043C|2018-09-04|
    AR083381A1|2013-02-21|
    CA2814043A1|2012-04-19|
    JP6330878B2|2018-05-30|
    KR101860588B1|2018-05-23|
    IL225685D0|2013-06-27|
    CN103329030A|2013-09-25|
    WO2012051167A1|2012-04-19|
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    法律状态:
    2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-11-19| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-03-31| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-04-22| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/10/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    2021-08-10| B21F| Lapse acc. art. 78, item iv - on non-payment of the annual fees in time|Free format text: REFERENTE A 10A ANUIDADE. |
    2021-11-30| B24J| Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)|Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2640 DE 10-08-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |
    优先权:
    申请号 | 申请日 | 专利标题
    US39178210P| true| 2010-10-11|2010-10-11|
    PCT/US2011/055743|WO2012051167A1|2010-10-11|2011-10-11|Fluid filled adjustable contact lenses|
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