Source: http://www.google.com/patents/US5879319?dq=6322901
Timestamp: 2014-03-16 18:38:50
Document Index: 338906763

Matched Legal Cases: ['art.\n7', 'art 1', 'art 5', 'art 1', 'art 1', 'art 5']

Patent US5879319 - Sclerotomy implant - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA sclerotomy implant intended to be set in place in the sclera of the eye in order to provide for a continuous flow of aqueous humor through the trabecula for the treatment of a glaucoma. This implant is configured like a platelet made of biocompatible material and comprising an intrascleral portion...http://www.google.com/patents/US5879319?utm_source=gb-gplus-sharePatent US5879319 - Sclerotomy implantAdvanced Patent SearchPublication numberUS5879319 APublication typeGrantApplication numberUS 08/750,502PCT numberPCT/FR1995/000818Publication dateMar 9, 1999Filing dateJun 20, 1995Priority dateJun 22, 1994Fee statusPaidAlso published asCA2193369A1, DE69502497D1, DE69502497T2, EP0766544A1, EP0766544B1, WO1995035078A1Publication number08750502, 750502, PCT/1995/818, PCT/FR/1995/000818, PCT/FR/1995/00818, PCT/FR/95/000818, PCT/FR/95/00818, PCT/FR1995/000818, PCT/FR1995/00818, PCT/FR1995000818, PCT/FR199500818, PCT/FR95/000818, PCT/FR95/00818, PCT/FR95000818, PCT/FR9500818, US 5879319 A, US 5879319A, US-A-5879319, US5879319 A, US5879319AInventorsBernard Feurer, Viviane Payrou, Joel PynsonOriginal AssigneeChauvin OpsiaExport CitationBiBTeX, EndNote, RefManPatent Citations (12), Non-Patent Citations (6), Referenced by (54), Classifications (5), Legal Events (10) External Links: USPTO, USPTO Assignment, EspacenetSclerotomy implantUS 5879319 AAbstract A sclerotomy implant intended to be set in place in the sclera of the eye in order to provide for a continuous flow of aqueous humor through the trabecula for the treatment of a glaucoma. This implant is configured like a platelet made of biocompatible material and comprising an intrascleral portion (1) and a sub-conjuctival portion (5), the latter being adapted to come out of the sclera and penetrate under the conjunctiva. Retaining flanges (7a, 7b) provide for the blocking of the implant in the trap under the scleral flap. The implant comprises at least one continuous flow passage from its trabecular extremity (2) applied against the trabecula up to its external extremity (6) inserted in the conjunctiva.
3. The implant according to claim 1, wherein the thickness .+-.20% of the sub-conjunctival part is equal to half the thickness .+-.20% of the intra-scleral part.
7. The implant according to claim 6, wherein the intra-scleral part has a substantially square front section with a side equal to 3 mm.+-.20%, and the sub-conjunctival part has a substantially rectangular section having a width equal to 1.5 mm.+-.20%, and a length equal to 2 mm.+-.20%.
FIGS. 1, 2, 3 and 4 show, respectively, at a very enlarged scale of about 10: an implant in perspective, a front view along V.sub.1, a section AA' and a view from below along V.sub.2,
The intra-scleral part is provided with a trabecular end 2, in the example having a flat shape, which is intended to be positioned facing the trabeculum and the dimensions of which are greater than those of the incision (which in this example will be made in the trabeculum) so as to be stopped by the trabeculum. This end has in practice a width -c- substantially between 2 mm and 4 mm, in the example equal to 3 mm (to approximately .+-.20%) so as to overlap either side of the incision in the trabeculum (the length of which is always less than 2 mm).
The intra-scleral part 1 possesses a so-called upper face 3 and a so-called lower face 4 having a substantially square shape with a side -c- equal to 3 mm (to approximately .+-.20%). The thickness e.sub.1 of the said intra-scleral part is in particular 0.50 mm (to approximately .+-.20%).
The sub-conjunctival part 5 possesses an upper face 8 and a lower face 9 with a rectangular shape, having a side r.sub.1 equal to 1.5 mm (to approximately .+-.20%) in the width direction and a side r.sub.2 equal to 2 mm (to approximately .+-.20%) in the length direction.
The sub-conjunctival part possesses a thickness -e.sub.2 - which is in particular equal to 0.25 mm (to approximately .+-.20%) (of the order of half the thickness -e.sub.1 - of the intra-scleral part).
the stops 7a, 7b cooperate with the sutures S.sub.1, S.sub.2 to ensure that the sub-conjunctival part 1 is locked in the opening T.
By means of a sclerotomy operation, after conjunctival disinsertion, a scleral flap V.sub.1 is cut out from the sclera so as to produce an opening T. The trabeculum is then incised. FIG. 6 shows this incision in I.sub.c.
As shown in FIG. 7, the implant is inserted in the eye so that the intra-scleral part 1 is embedded in the opening T with its trabecular end 2 against the trabeculum facing the incision I.sub.c, and so that its sub-conjunctival part 5 rests against the conjunctiva outside the opening. In this position, the external end 6 is situated outside the sclera against the conjunctiva.
The scleral flap V.sub.1 is then folded down towards the opening and the sutures S.sub.1, S.sub.2 are made in the hollows of the shoulders 7a and 7b of the implant so as to attach the flap to the sclera. The intra-scleral part of the implant is then locked in the opening between the trabeculum and these sutures. The conjunctiva may then be made to cover the assembly in a conventional manner.
FIG. 9 shows a variant of the implant, the characteristics of which are identical to the preceding one, with the exception of the shape of the trabecular end, indicated by reference 2' in this figure. This end is concave, substantially cylindrical, with a radius of curvature substantially equal to 6 mm (to approximately .+-.20%).
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(N/K/A BAUSCH & LOMB HOLDINGS INC.),Effective date: 20130805Owner name: BAUSCH & LOMB INCORPORATED, NEW YORKFree format text: RELEASE OF SECURITY INTEREST;ASSIGNOR:CITIBANK N.A., AS ADMINISTRATIVE AGENT;REEL/FRAME:030995/0444Owner name: ISTA PHARMACEUTICALS, NEW YORKAug 6, 2012ASAssignmentEffective date: 20120518Owner name: CITIBANK N.A., AS ADMINISTRATIVE AGENT, DELAWAREFree format text: SECURITY AGREEMENT;ASSIGNORS:BAUSCH & LOMB INCORPORATED;EYEONICS, INC.;REEL/FRAME:028728/0645Aug 5, 2012ASAssignmentOwner name: BAUSCH & LOMB INCORPORATED, NEW YORKFree format text: RELEASE BY SECURED PARTY;ASSIGNOR:CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH;REEL/FRAME:028726/0142Effective date: 20120518Aug 26, 2010FPAYFee paymentYear of fee payment: 12Mar 26, 2008ASAssignmentOwner name: CREDIT SUISSE, NEW YORKFree format text: SECURITY AGREEMENT;ASSIGNORS:BAUSCH & LOMB INCORPORATED;WP PRISM INC.;B&L CRL INC.;AND OTHERS;REEL/FRAME:020733/0765Effective date: 20080320Owner name: CREDIT SUISSE,NEW YORKAug 31, 2006FPAYFee paymentYear of fee payment: 8Aug 28, 2002FPAYFee paymentYear of fee payment: 4Sep 7, 1999CCCertificate of correctionSep 18, 1997ASAssignmentOwner name: CHAUVIN OPSIA, FRANCEFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PYNSON, JOEL;PAYROU, VIVIANE;FEURER, BERNARD;REEL/FRAME:008703/0676Effective date: 19970826RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google