# US 10,369,099 B2 · Medical devices including medicaments and methods of making and using same

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- Number: US 10,369,099 B2
- Document ID: US10369099B2
- Status: Granted
- Kind: B2
- Application number: 16/158,587
- Filed: 2018-10-12
- Published: 2019-02-14
- Granted: 2019-08-06
- Earliest claimed: 2010-04-03
- Applicants: Praful Doshi
- Inventors: Praful Doshi
- Web page: https://patentgrep.com/patent/US10369099B2

## CPC

- A61K 9/0051: {Ocular inserts or implants}
- A61K 31/5377: not condensed and containing further heterocyclic rings, e.g. timolol
- A61L 27/54: Biologically active materials, e.g. therapeutic substances {(A61L27/227 takes precedence)}
- A61L 31/16: Biologically active materials, e.g. therapeutic substances {(A61L31/047 takes precedence)}
- A61P 27/02: Ophthalmic agents
- C08F 2/48: by ultraviolet or visible light
- C08F 220/282: {and containing two or more oxygen atoms}
- C08L 33/08: Homopolymers or copolymers of acrylic acid esters
- C08L 33/10: Homopolymers or copolymers of methacrylic acid esters
- G02B 1/043: {Contact lenses}
- A61L 12/00: Methods or apparatus for disinfecting or sterilising contact lenses; Accessories therefor
- A61L 2300/00: Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K)
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

The present invention recognizes that medical devices, such as but not limited to contact lenses, can be made having a coating made at least in part using printing technologies to provide drug storage and drug release structures. The coating preferably includes at least one drug reservoir layer and a least one barrier layer, and can include structures, such as but not limited to capillary structures, which alone or in combination modulate the release of the drug from the coating. One aspect of the present invention is a medical device that incorporates a drug in at least one coating. A second aspect of the present invention is a method of making a medical device that incorporates a drug in at least one coating. A third aspect of the present invention is a method of using a medical device of the present invention to treat or prevent a disease, disorder or condition.

## Claims

### Claim 1

A method of treating a cataract in a subject, comprising;
a) providing a subject in need of treatment of a cataract; and
b) providing at least one drug delivery medical device comprising:
(i) an optical lens replacement comprising at least one surface; and
(ii) said optical lens replacement further comprising at least one coating provided on at least a portion of said at least one surface;
a) said at least one coating comprising at least one three dimensional structure;
b) said at least one three dimensional structure comprising:
i) one or more drug reservoir layers;
wherein said one or more drug reservoir layers comprise one or more drugs;
and
ii) one or more barrier layers;
wherein said one or more barrier layers modulate the release of said one or more drugs from said optical lens replacement;
c) wherein said one or more drug reservoir layers, said one or more barrier layers, or a combination thereof, are oriented vertically, horizontally, or a combination thereof, relative to each other;
c) surgically implanting said optical lens replacement into said subject;
wherein said one or more drugs are released from said optical lens replacement in an effective amount to treat a cataract in a subject; and
d) wherein said subject is treated for a cataract.

### Claim 2 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said subject is a human subject.

### Claim 3 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said optical lens replacement is stored in a hydrated form.

### Claim 4 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said optical lens replacement is not biodegradable.

### Claim 5 (depends on 1)

The method of treating a cataract in a subject of claim 1, the method comprising the step of providing an optical lens replacement, said optical lens replacement comprising one or more drug reservoir layers and one or more barrier layers, the layers positioned such that at least one barrier layer is adjacent to at least one drug reservoir layer in a vertical or horizontal arrangement.

### Claim 6 (depends on 1)

The method of treating a cataract in a subject of claim 1, the method comprising the step of providing an optical lens replacement, said optical lens replacement comprising one or more drug reservoir layers and one or more barrier layers, the layers positioned such that at least one barrier layer is distal to at least one drug reservoir layer, or at least one drug reservoir layer is positioned distal to at least one barrier layer, relative to an outer surface of said medical device lens, or a combination thereof.

### Claim 7 (depends on 1)

The method of treating a cataract in a subject of claim 1, the method comprising the step of providing an optical lens replacement, said optical lens replacement comprising one or more drug reservoir layers and one or more barrier layers, the layers positioned such that one or more barrier layers are made of the same or different material compositions, said one or more barrier layers being positioned horizontally and directly adjacent relative to each other and above one or more drug reservoir layers.

### Claim 8 (depends on 1)

The method of treating a cataract in a subject of claim 1, the method comprising the step of providing an optical lens replacement, said optical lens replacement comprising one or more drug reservoir layers and one or more barrier layers, the layers positioned such that two or more barrier layers, are each made of the same or different material composition, when made of different material compositions each barrier layer made of one of two or more different material compositions, being positioned side by side with intervening spaces between the barrier layers and directly on and perpendicular to a drug reservoir layer, wherein an outer surface of a lens is positioned below a drug reservoir layer.

### Claim 9 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said optical lens replacement is made by lathing, cast molding, spin casting, ink jet printing, or a combination thereof before said at least one coating is applied.

### Claim 10 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said at least one three dimensional structure comprises in whole or in part at least one polymer, at least one plastic, at least one partially polymerized polymer, at least one polymer matrix, at least one protein matrix, at least one silicone, or a combination thereof.

### Claim 11 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said at least one three dimensional structure is at least in part further printed by printing other than additive digital three dimensional printing.

### Claim 12 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said at least one three dimensional structure comprises capillary structures.

### Claim 13 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said one or more barrier layers comprise one or more drugs.

### Claim 14 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said one or more barrier layers do not comprise a drug.

### Claim 15 (depends on 1)

The method of treating a cataract in a subject of claim 1, the method comprising the step of providing an optical lens replacement, wherein said optical lens replacement is made at least in part by three dimensional printing.

### Claim 16 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said one or more drugs comprise at least one small molecule drug, at least one biological drug, at least one encapsulated drug, at least one nanoparticle, at least one dispersed drug, or a combination thereof.

### Claim 17 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein the structure and/or composition of said one or more drug reservoir layers and/or said one or more barrier layers results in the release of the one or more drugs simultaneously, or at different times, or over an extended period of time, or a combination thereof.

### Claim 18 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said one or more drugs are released from said three dimensional structure in zero-order kinetics, or other than in zero order kinetics.

### Claim 19 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said one or more barrier layers modulate the directional release of said drug away from said medical device lens.

### Claim 20 (depends on 1)

The method of treating a cataract in a subject claim 1, wherein said one or more barrier layers modulate the release of said one or more drugs from said one or more drug reservoir layers by the thickness of said one or more barrier layers.

### Claim 21 (depends on 1)

The method of treating a cataract in a subject of claim 1, wherein said optical lens replacement physically adheres to at least one surface of said subject rather than through chemical adherence.

### Claim 22 (depends on 21)

The method of treating a cataract in a subject of claim 21, wherein said at least one surface of said subject comprises at least one tissue located within the eye of said subject.

### Claim 23 (depends on 15)

The method of treating a cataract in a subject of claim 15, wherein said three dimensional printing comprises at least one piezo printing, at least one thermal printing, or a combination thereof.
