Capsular membrane implants to increase accommodative amplitude
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-009/008
A61F-002/14
A61F-009/007
A61F-002/16
출원번호
US-0043178
(2011-03-08)
등록번호
US-9445889
(2016-09-20)
발명자
/ 주소
Brady, Daniel G.
Bor, Zsolt
Geraghty, Edward
Basinger, Brooke C.
Reisin, Carina R.
Cali, Douglas S.
출원인 / 주소
Abbott Medical Optics Inc.
대리인 / 주소
Abbott Medical Optics Inc.
인용정보
피인용 횟수 :
0인용 특허 :
42
초록▼
A support is coupled to the lens capsule to increase accommodation. The support may be adjustable, such that patient refraction and accommodation can be adjusted following surgery. The support may comprise rigidity sufficient to decrease radial movement of the intermediate portion of the lens capsul
A support is coupled to the lens capsule to increase accommodation. The support may be adjustable, such that patient refraction and accommodation can be adjusted following surgery. The support may comprise rigidity sufficient to decrease radial movement of the intermediate portion of the lens capsule. The support can be placed on the intermediate portion to decrease radial movement of the intermediate portion of the lens capsule and increase radial stretching of an outer portion of the lens capsule extending between the zonules and the intermediate portion coupled to the support, such that the amount of accommodation of the eye is increased. The support may comprise a biocompatible material capable of stable coupling to the lens capsule following implantation, such that the far vision refraction and accommodation of the eye can be stable following surgery.
대표청구항▼
1. An apparatus to treat a human eye having a lens, the lens having a capsule that is complete, the apparatus comprising: a support that is expandable comprises a first narrow profile configuration and a second wide profile configuration, the narrow profile configuration sized to pass through an inc
1. An apparatus to treat a human eye having a lens, the lens having a capsule that is complete, the apparatus comprising: a support that is expandable comprises a first narrow profile configuration and a second wide profile configuration, the narrow profile configuration sized to pass through an incision, the wide profile configuration sized to extend substantially along an intermediate portion of the lens capsule to decrease radial movement of the intermediate portion and increase an amount of accommodation of the eye,wherein the support in the second configuration comprises an arcuate profile having an interior surface configured to directly contact an exterior-anterior surface of the lens capsule at only the intermediate portion thereof, thereby leaving a central portion of the lens capsule free to change curvature; andwherein the intermediate portion is disposed between a central optical portion that permits light to be transmitted through the pupil of the eye, and a peripheral portion attached to zonules of the eye. 2. The apparatus of claim 1, wherein the support comprises a modulus of at least 600 kPA such that the support decreases the radial movement of the intermediate portion when the eye accommodates. 3. The apparatus of claim 1, wherein the support comprises a thickness dimensioned such that the iris slides over the support when the iris contracts and dilates and wherein the support comprises a light absorbing material such that the support appears dark when the iris slides over the support. 4. The apparatus of claim 1, further comprising a biocompatible adhesive to adhere the support to the intermediate portion of the lens capsule. 5. The apparatus of claim 4, wherein the adhesive comprises one or more of adhesive comprising one or more of cyanoacrylate, temperature sensitive adhesive, thermoreversible adhesive, a curable adhesive, a patterned microstructure based adhesive, a glycoprotein based adhesive or a cross-linker such as a photosensitive crosslinker. 6. The apparatus of claim 1, wherein the support comprises an adjustable support in the second configuration such that a dimension across the support is adjustable to adjust one or more of a refraction of the eye for far vision or an amount of accommodation of the eye. 7. The apparatus of claim 6, wherein the support comprises a shape changing material to adjust the dimension across the support when the support is treated with energy. 8. The apparatus of claim 7, wherein the shape changing material comprises a heat sensitive material to stiffen the support when the support is coupled to the intermediate portion. 9. The apparatus of claim 7, wherein the shape changing material comprises one or more of a metal or a polymer. 10. The apparatus of claim 6, wherein the adjustable support comprises layers of polymer and wherein the layers of polymer are arranged in a progressively stiffer membrane such that inner layers comprise more stiffness than outer layers and wherein at least one inner layer is severed so as to release an amount of contractual force increase the dimension across the adjustable support. 11. The apparatus of claim 1, wherein the support comprises an annular oval shape profile having an inner boundary sized to extend substantially around the central portion and define the central portion with an oval outer boundary. 12. The apparatus of claim 11, wherein the oval support comprises an annular oval shape profile having an inner boundary sized to extend substantially around the central portion and define the central portion with an oval outer boundary. 13. The apparatus of claim 1, wherein the support comprises a structure having protrusions separated by a distance dimensioned to receive the portion of the lens capsule. 14. The apparatus of claim 13, wherein the structure comprises a channel and wherein the protrusions comprise rims extending circumferentially around the support, each rim having an inner surface to contact the portion of the capsule. 15. The apparatus of claim 1, wherein the support comprises a first portion having a first structure to couple to a first haptic and a second portion having a second structure to couple to a second haptic so as to focus force to the first haptic and the second haptic when the first portion is aligned with the first haptic and the second portion is aligned with the second haptic. 16. The apparatus of claim 1, wherein the support is configured to decrease spherical aberration of the eye.
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