Source: http://www.google.com/patents/US8080187?ie=ISO-8859-1
Timestamp: 2016-02-11 22:41:31
Document Index: 285578866

Matched Legal Cases: ['art 102', 'art 102', 'art 101', 'art 101', 'art 101', 'arts 214', 'arts 214']

Patent US8080187 - Energized biomedical device - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsThis invention discloses methods and apparatus for providing a biomedical device, such as an ophthalmic lens with an energy receptor capable of powering a processing device....http://www.google.com/patents/US8080187?utm_source=gb-gplus-sharePatent US8080187 - Energized biomedical deviceAdvanced Patent SearchPublication numberUS8080187 B2Publication typeGrantApplication numberUS 12/389,460Publication dateDec 20, 2011Filing dateFeb 20, 2009Priority dateFeb 20, 2008Fee statusPaidAlso published asCA2712986A1, CN101952112A, CN101952112B, EP2247436A1, US8534831, US20090206498, US20120062834, US20130242254, WO2009105261A1Publication number12389460, 389460, US 8080187 B2, US 8080187B2, US-B2-8080187, US8080187 B2, US8080187B2InventorsMichael A. Tepedino, JR., Randall B. Pugh, Robert Marciello, Tom Aelbrecht, Anthony Milinowicz, James P. MilkowichOriginal AssigneeJohnson & Johnson Vision Care, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (11), Referenced by (39), Classifications (9), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetEnergized biomedical device
A preferred alicyclic co-polymer contains two different alicyclic polymers and is sold by Zeon Chemicals L.P. under the trade name ZEONOR. There are several different grades of ZEONOR. Various grades may have glass transition temperatures ranging from 105� C. to 160� C. A specifically preferred material is ZEONOR 1060R.
R1 is independently selected from monovalent reactive groups, monovalent alkyl groups, or monovalent aryl groups, any of the foregoing which may further comprise functionality selected from hydroxy, amino, oxa, carboxy, alkyl carboxy, alkoxy, amido, carbamate, carbonate, halogen or combinations thereof, and monovalent siloxane chains comprising 1-100 Si—O repeat units which may further comprise functionality selected from alkyl, hydroxy, amino, oxa, carboxy, alkyl carboxy, alkoxy, amido, carbamate, halogen or combinations thereof;
As used herein “monovalent reactive groups” are groups that can undergo free radical and/or cationic polymerization. Non-limiting examples of free radical reactive groups include (meth)acrylates, styryls, vinyls, vinyl ethers, C1-6alkyl(meth)acrylates, (meth)acrylamides, C1-6alkyl(meth)acrylamides, N-vinyllactams, N-vinylamides, C2-12alkenyls, C2-12alkenylphenyls, C2-12alkenylnaphthyls, C2-6alkenylphenyl C1-6alkyls, O-vinylcarbamates and O-vinylcarbonates. Non-limiting examples of cationic reactive groups include vinyl ethers or epoxide groups and mixtures thereof. In one embodiment the free radical reactive groups comprises (meth)acrylate, acryloxy, (meth)acrylamide, and mixtures thereof.
(*D*A*D*G)a*D*D*E1 E(*D*G*D*A)a*D*G*D*E1 or;
Other silicone containing components suitable for use in this invention include macromers containing polysiloxane, polyalkylene ether, diisocyanate, polyfluorinated hydrocarbon, polyfluorinated ether and polysaccharide groups; polysiloxanes with a polar fluorinated graft or side group having a hydrogen atom attached to a terminal difluoro-substituted carbon atom; hydrophilic siloxanyl methacrylates containing ether and siloxanyl linkages and crosslinkable monomers containing polyether and polysiloxanyl groups. Any of the foregoing polysiloxanes can also be used as the silicone containing component in this invention.
One example of a pad printing device is discussed in relation to FIG. 3, above. An energy receptor 109 can be placed upon a formable pad 311 included in the pad printing apparatus 301 and the formable pad can be pressed against a surface of a mold part, such as, for example a concave mold part 102. The action of the pad 311 against the mold part 102 will cause the energy receptor 109 to be placed on the mold part 101-102.
Mechanical placement can also include any automation, robotic movement, or even human placement of the energy receptor 109 within a cast mold part such that the polymerization of a Reactive Mixture 110 contained by the mold part will include the energy receptor 109 in a resultant ophthalmic lens.
At 402, in some preferred embodiments, a binder layer 111 can be applied to a mold part 101-102 prior to placement of the energy receptor on the mold part 101-102. A binder layer 111 can include, by way of non-limiting example, a pigment or a monomer. The binding layer 111 may be applied for example via a pad printing process. In some embodiments, a processor device, 203 may also be placed into the binder 109.
As illustrated, multiple mold parts 214 are contained on a pallet 213 and presented to a pad printing apparatus 210. Embodiments, can include a single pad 211 individually positioning an energy receptor 109 in multiple molds 214, or multiple pads (not shown) simultaneously positioning energy receptors in multiple mold parts 214.
CH3(CH2)x-L-COCHR═CH2 wherein L may be —NH or oxygen, x may be a whole number from 2 to 24, K may be
a C1 to C6 alkyl or hydrogen and preferably is methyl or hydrogen. Examples of such amides and esters include, without limitation, lauryl methacrylamide, and hexyl methacrylate. As yet another example, polymers of aliphatic chain extended carbamates and ureas may be used to form the binding polymer.
Binding polymers suitable for a binding layer 111 may also include a random block copolymer of HEMA, MAA and lauryl methacrylate (“LMA”, a random block copolymer of HEMA and MAA or HEMA and LMA, or a homopolymer of HEMA. The weight percentages, based on the total weight of the binding polymer, of each component in these embodiments is about 93 to about 100 weight percent HEMA, about 0 to about 2 weight percent MAA, and about 0 to about 5 weight percent LMA.
The molecular weight of the binding polymer can be such that it is somewhat soluble in the lens material and swells in it. The lens material diffuses into the binding polymer and is polymerized and/or cross-linked. However, at the same time, the molecular weight of the binding polymer cannot be so high as to impact the quality of the printed image. Preferably, the molecular weight of the binding polymer is about 7,000 to about 100,000, more preferably about 7,000 to about 40,000, most preferably about 17,000 to about 35,000 Mpeak which corresponds to the molecular weight of the highest peak in the SEC analyses (=(Mn�Mw)1/2)
For purposes of the invention, the molecular weight can be determined using a gel permeation chromatograph with a 90� light scattering and refractive index detectors. Two columns of PW4000 and PW2500, a methanol-water eluent of 75/25 wt/wt adjusted to 50 mM sodium chloride and a mixture of polyethylene glycol and polyethylene oxide molecules with well defined molecular weights ranging from 325,000 to 194 are used.
Solvents useful in the production of the binding polymer are medium boiling solvents having boiling points between about 120 and 230� C. Selection of the solvent to be used will be based on the type of binding polymer to be produced and its molecular weight. Suitable solvents include, without limitation, diacetone alcohol, cyclohexanone, isopropyl lactate, 3-methoxy 1-butanol, 1-ethoxy-2-propanol, and the like.
In some preferred embodiments, at least three different solvents are used in the binding layer 111 material of the invention. The first two of these solvents, both medium boiling point solvents, are used in the production of the binding polymer. Although these solvents may be stripped from the binding polymer after its formation, it is preferred that they are retained. Preferably, the two solvents are 1-ethoxy-2-propanol and isopropyl lactate. An additional low boiling solvent, meaning a solvent the boiling point of which is between about 75 and about 120� C., can be used to decrease the viscosity of the colorant as desired. Suitable low boiling solvents include, without limitation, 2-propanol, 1-methoxy-2-propanol, 1-propanol, and the like and combinations thereof. Preferably, 1-propanol is used.
Soft contact lenses were submerged in saline solution. RFID chips (Tagsys Small Tags) were used with overall tag dimensions are 13.6 mm�13.9 mm. The overall working area of the tag, including antenna and all Integrated Circuitry is measured to be 90 mm2. This is significantly less area than our contact lens provides. The Tagsys Small Tags are flexible, with an unobstructed area in their center that is analogous to the area of our contact lens reserved for the pupil.
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2014Johnson & Johnson Vision Care, Inc.Patterned ophthalmic lenses with inserts* Cited by examinerClassifications U.S. Classification264/1.32, 264/1.36International ClassificationB29D11/00Cooperative ClassificationB29D11/00826, B29D11/00009, G02C7/022, G02C7/04European ClassificationB29D11/00J9B2, B29D11/00CLegal EventsDateCodeEventDescriptionMar 25, 2009ASAssignmentOwner name: JOHNSON & JOHNSON VISION CARE, INC., FLORIDAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TEPEDINO, MICHAEL A., JR.;PUGH, RANDALL B.;MARCIELLO, ROBERT;AND OTHERS;REEL/FRAME:022451/0598;SIGNING DATES FROM 20090306 TO 20090320Owner name: JOHNSON & JOHNSON VISION CARE, INC., FLORIDAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TEPEDINO, MICHAEL A., JR.;PUGH, RANDALL B.;MARCIELLO, ROBERT;AND OTHERS;SIGNING DATES FROM 20090306 TO 20090320;REEL/FRAME:022451/0598Jun 3, 2015FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy 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