US2009082862A1PendingUtilityA1

Ocular Implant Architectures

57
Individually held — no corporate assignee on recordPriority: Sep 24, 2007Filed: Sep 23, 2008Published: Mar 26, 2009
Est. expirySep 24, 2027(~1.2 yrs left)· nominal 20-yr term from priority
Inventors:Andrew T. SchieberCharles L. Euteneuer
A61F 9/00781A61F 2/14A61F 2250/0067A61M 5/00
57
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Claims

Abstract

An ocular implant having a first spine; a second spine; a first strut extending in an axial direction Z between the first spine and the second spine; a second strut extending in an axial direction Z between the first spine and the second spine; wherein an angular dimension θ of a first edge of each strut undulates as the strut extends in the axial direction Z between the first spine and the second spine; and wherein a radius r of an outer surface of each strut remains substantially constant as the strut extends the axial direction Z between the first spine and the second spine.

Claims

exact text as granted — not AI-modified
1 . An ocular implant, comprising:
 a first spine;   a second spine;   a first strut extending in an axial direction Z between the first spine and the second spine;   a second strut extending in an axial direction Z between the first spine and the second spine;   wherein an angular dimension θ of a first edge of each strut undulates as the strut extends in the axial direction Z between the first spine and the second spine; and   wherein a radius r of an outer surface of each strut remains substantially constant as the strut extends the axial direction Z between the first spine and the second spine.   
   
   
       2 . An ocular implant, comprising:
 a first spine section;   a second spine section;   a first frame extending between the first spine section and the second spine section, the frame having a diameter of between 0.005 inches and 0.04 inches;   the ocular implant being adapted to be disposed within a canal of Schlemm in a human subject's eye.   
   
   
       3 . The ocular implant of  claim 2 , wherein the first spine section, the second spine section, and the first frame comprise portions of a single tubular wall. 
   
   
       4 . The ocular implant of  claim 2 , wherein each spine section comprises only a single spine. 
   
   
       5 . The ocular implant of  claim 2 , wherein each spine section has an arcuate shape in lateral cross section. 
   
   
       6 . The ocular implant of  claim 2 , wherein:
 the first spine has a first circumferential extent; and   the first frame has a second circumferential extent;   wherein the second circumferential extent is greater than the first circumferential extent.   
   
   
       7 . The ocular implant of  claim 2 , wherein the first frame comprises a first strut and a second strut. 
   
   
       8 . The ocular implant of  claim 7 , wherein the first frame comprises only two struts. 
   
   
       9 . The ocular implant of  claim 7 , wherein each strut has an arcuate shape in lateral cross section. 
   
   
       10 . The ocular implant of  claim 7 , wherein the first strut comprises a first edge. 
   
   
       11 . The ocular implant of  claim 10 , wherein an angular dimension θ of the first edge undulates as the strut extends in an axial direction Z between the first spine and the second spine. 
   
   
       12 . The ocular implant of  claim 10 , wherein an angular dimension θ of the first edge first increases, then decreases, as the strut extends in an axial direction Z between the first spine and the second spine. 
   
   
       13 . The ocular implant of  claim 10 , wherein a radius r of the first edge remains substantially constant as the strut extends in axial dimension Z between the first spine and the second spine. 
   
   
       14 . The ocular implant of  claim 10 , wherein the first edge partially defines a first opening in the ocular implant. 
   
   
       15 . The ocular implant of  claim 7 , wherein the first strut has a thickness that is substantially constant in a radial direction. 
   
   
       16 . The ocular implant of  claim 7 , wherein the first strut has a width extending in an arc along a circumferential direction. 
   
   
       17 . The ocular implant of  claim 7 , wherein the first strut has a length extending in an axial direction that is generally parallel to a longitudinal axis of the ocular implant. 
   
   
       18 . The ocular implant of  claim 7 , wherein the first spine section and the second spine section are axially aligned with one another. 
   
   
       19 . The ocular implant of  claim 7 , wherein a shape of the second strut is a mirror image of a shape of the first strut. 
   
   
       20 . The ocular implant of  claim 7 , further comprising a second frame extending between the second spine and a third spine. 
   
   
       21 . The ocular implant of  claim 7 , wherein a second edge of the first strut and a second edge of the second strut defining a second opening. 
   
   
       22 . The ocular implant of  claim 7 , wherein the first strut, the second strut, the first spine section, and the second spine section all define a cylindrical volume. 
   
   
       23 . The ocular implant of  claim 7 , further comprising a first opening extending between the first edge of the first strut and the first edge of the second strut. 
   
   
       24 . The implant of  claim 2  further comprising a therapeutic agent deposited on the frame and spine sections. 
   
   
       25 . The implant of  claim 24  wherein the therapeutic agent comprises an anti-glaucoma drug. 
   
   
       26 . The implant of  claim 25  wherein the anti-glaucoma drug comprises a prostaglandin analog. 
   
   
       27 . The implant of  claim 26  wherein the prostaglandin analog comprises latanprost. 
   
   
       28 . An ocular implant, comprising:
 a first spine;   a second spine;   a first frame comprising a first strut and a second strut;   each strut extending in an axial direction Z between the first spine and the second spine;   a first opening of the ocular implant extending between a first edge of the first strut and a first edge of the second strut;   a second edge of the first strut and a second edge of the second strut defining a second opening;   wherein an angular dimension θ of the first edge of each strut undulates as the strut extends in the axial direction Z between the first spine and the second spine; and   wherein a radius r of an outer surface of each strut remains substantially constant as the strut extends the axial direction Z between the first spine and the second spine.

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