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WO2016182520A1 - Appareil à embout haptique et ailelettes d'ancrage pour lentilles intraoculaires - Google Patents

Appareil à embout haptique et ailelettes d'ancrage pour lentilles intraoculaires Download PDF

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Publication number
WO2016182520A1
WO2016182520A1 PCT/TR2016/050048 TR2016050048W WO2016182520A1 WO 2016182520 A1 WO2016182520 A1 WO 2016182520A1 TR 2016050048 W TR2016050048 W TR 2016050048W WO 2016182520 A1 WO2016182520 A1 WO 2016182520A1
Authority
WO
WIPO (PCT)
Prior art keywords
haptic
anchor
scleral
open end
degrees
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/TR2016/050048
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English (en)
Inventor
Remzi KARADAG
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2016182520A1 publication Critical patent/WO2016182520A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2002/1681—Intraocular lenses having supporting structure for lens, e.g. haptics
    • A61F2002/1683—Intraocular lenses having supporting structure for lens, e.g. haptics having filiform haptics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0008—Fixation appliances for connecting prostheses to the body
    • A61F2220/0016—Fixation appliances for connecting prostheses to the body with sharp anchoring protrusions, e.g. barbs, pins, spikes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery

Definitions

  • the invention relates to a haptic tip apparatus used in the field of eye surgery which in cataract and refractive surgeries, attached intraoperatively to standard IOL haptic, and therefore developed for suture-less intrascleral haptic fixation of standard three-piece lenses.
  • the invention particularly relates to a haptic tip apparatus with anchor mechanism developed for aphakia patients who have lost capsule support due to cataract surgery or any other reason; and for preventing displacement of three-piece lOLs from their attached position, by means of providing intrascleral fixation of haptics without using sutures via intraoperative attachment on the three-piece IOL haptics.
  • Posterior chamber lens implantation fixated from ciliary sulcus to sclera may be performed with or without a scleral flap formation.
  • the conjunctiva is opened, a cautery is applied to the scleral surface, and a scleral flap is formed based on the used method.
  • rigid lenses have been used until foldable intraocular lenses are used in sutured scleral- fixated intraocular lens surgery. This lens requires a large incision region for displacement of the lens.
  • suture-associated complications constitute some of the main problems of this technique as a suture is used. In this technique lens dislocations may be seen due to suture-related erosion, suture breaks or suture lysis in the long-term.
  • the lens introduced is fixated by a 10/0 nylon suture and that keeping the IOL in place depends on the durability of the suture.
  • posterior segment complications occur more than the other methods.
  • Sutureless scleral-fixated intraocular lens implantation This technique has been recently developed to eliminate the problems arising from sutured scleral- fixated intraocular lens implantation, particularly related to the suture.
  • This technique is applied with or without a tissue adhesive.
  • the conjunctiva is opened, a scleral flap forms a scleral tunnel and sclerotomy that are parallel to the limbus, and a three-piece foldable lens is introduced into the anterior chamber through a corneal incision of 3 mm.
  • a scleral flap forms a scleral tunnel and sclerotomy that are parallel to the limbus
  • a three-piece foldable lens is introduced into the anterior chamber through a corneal incision of 3 mm.
  • these haptics removed out of the extraocular from the prepared sclerotomies and haptic ends are introduced into the scleral tunnel.
  • the flap is adhered with a tissue adhesive.
  • the scleral flap may also be closed by a suture without using a tissue adhesive.
  • the eye is accessed by a perpendicular entry into the sclera from a distance of about 1 ,5 mm to limbus by a needle, thereby a sclerotomy is formed. Thereafter a scleral tunnel of about 3 mm which is parallel to horizontal limbus is formed via a needle, and three-piece foldable IOL haptics are introduced into this tunnel.
  • Conjunctiva should be opened in these methods.
  • two opposed scleral tunnels of 3 mm in length at a distance of 1 ,5 mm to limbus are prepared by a transconjunctival sutureless vitrectomy without conjunctival flap formation and three-piece foldable IOL haptics are introduced into this tunnel.
  • a safety suture which will be removed after one week is introduced close to the scleral tunnel exit by a 10/0 nylon suture.
  • An adverse event that may be encountered in these methods is that IOL dislocation may develop in some patients with or without any traumas.
  • Intraocular lens embodiments developed in the technical field may be exemplified by European Patent Application Publication EP2042124B1 , titled “Intraocular Lens”; Turkish Application Publication No. 2012/10713, titled “Intraocular Lens”; and European Patent Application Publication No. EP2503962B1 .
  • the main purpose of the invention is to eliminate the above-disclosed problems in the application of standard three-piece intraocular lenses on patients and minimize the complication rate encountered in these applications.
  • An object of the invention is to provide a sutureless scleral fixated lens implantation in aphakic patients who lost capsule support and to prevent IOL dislocations.
  • Another object of the invention to eliminate conventional scleral fixated IOL application known in the art and to provide an embodiment which is suitable for a surgery technique in which a completely sutureless implantation is performed and which may be used in all sutureless scleral fixated IOL implantation surgeries.
  • a further object of the invention is to perform sutureless intrascleral haptic fixation method using the intraocular lens of the invention which is only developed for this surgical method and to prevent possible complications.
  • Another object of the invention is to prevent the movement of lens haptics to the inside and the outside of the eyes owing to both anchor mechanism introduced intrasclerally in an opposite direction and thereby to provide a good axial and sagittal stability in the eyes.
  • a purpose of the invention is to enable use of three-piece lenses with J-haptics in sutureless scleral fixation methods.
  • the invention is an apparatus which is attached to the haptic tip, used in cataract and refractive surgeries in the field of eye surgery; can be used in patients who do not have adequate capsule support; and allowing implantation of three-piece foldable intraocular lenses into the eye through a small corneal laceration and their use in sutureless implantation surgery.
  • this apparatus comprises:
  • a cylinder-shaped body with two open ends that is comprising a space that allows advancement of the haptic within the body in order to ensure attachment of the apparatus on the haptic
  • anchor wings beared on the apparatus body.
  • the closed sides of the anchor wings are found at 1 mm distance to the tip of the apparatus and positioned on the body. Moreover, the anchor wings are positioned at a' angle with regard to the body. Said a' angle may be 30 degrees or 45 degrees or may be between 30 degrees and 45 degrees. Said anchor wings are 1 mm or 2 mm or between 1 mm and 2 mm in length.
  • Figure 1 is the general view of the apparatus according to the invention applied to an intraocular lens.
  • an apparatus with two open ends is preferred.
  • Figure 2 is the general view of an embodiment of the apparatus according to the invention with two open ends.
  • Second Open End a' The angle between the anchor wings and the haptic.
  • the haptic tip apparatus (3) are developed for intraocular lenses made of optic (1 ) and polypropylene, propylene, or PMMA materials and formed of haptic (2) ("C"- or "J"-shaped) comprises:
  • the apparatus (3) is fitted with the lens haptic (2), after the three-piece lens haptic (2) is drawn out of the eye from the scleral input position.
  • the anchor wings (3.1 ) face the optical side and form an a' angle (about 30-45 degrees angle) with the haptic (2) ( Figure 1 , Detail A). In this way, the backward motion of the apparatus is prevented via this apparatus (3).
  • anchor wings (3.1 ) there may be differences on the part of the apparatus (3) where anchor wings (3.1 ) are found.
  • the anchor wings (3.1 ) may be circular or flat.
  • the body (3.2) and anchor wing (3.1 ) thicknesses of the apparatus may also variability. Accordingly, the dimensions of the apparatus (3) would also change.
  • the apparatus (3) is preferably made of transparent silicone. It has a flexible structure and has a length of about 3 mm. Center of this silicone apparatus (3) is hollow and has openings at both ends.
  • the second open end (4) of the apparatus (3), at which the anchor wing (3.1 ) openings are faced, may be a little wider than the haptic (2) to allow easy entrance of the haptic (2).
  • the parts of the apparatus (3) towards the first open end (3.3) get narrower in order to ensure tighter grasp of the haptic (2). Since it is transparent, the advancement and position of the haptic (2) can be easily seen.
  • Surgical application of the intraocular lens with haptic tip apparatus (3) of the invention is performed as follows:
  • the apparatus (3) according to the invention is attached to the haptics (2) of intraocular lenses. After the intraocular lens haptics are fitted through different scleral tunnels and under flaps are formed by the surgeon; the apparatuses (3) are placed on the haptic tips such that their wing openings would face to the direction of the optic (1 ).
  • a corneal entry site is formed using the sutureless scleral fixation methods by forming an incision after a scleral tunnel is conveniently created using 23- or 25-gauge vitrectomy trocar systems.
  • a three-piece foldable IOL which has anchor wings (3.1 ) in haptic (2) thereof (its haptic is anchor-shaped) is introduced into the anterior chamber through the corneal incision.
  • lens haptic (2) is applied to a forceps introduced through the scleral tunnel via a forceps introduced through the corneal incision.
  • Haptic (2) is drawn, removed from the eye through the scleral tunnel and placed into the scleral tunnel.
  • apparatus (3) with anchor wings (3.1 ) are fitted to haptics (2) of the intraocular lens.
  • IOL haptics (2) are taken out of the eye by forceps as defined in the previous method.
  • Apparatus (3) with anchor wings (3.1 ) are fitted to two haptics (2) of IOL and introduced into the prepared scleral tunnel. Again, stabilization of the intraocular lens is achieved owing to the anchor mechanism.

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

La présente invention concerne en particulier un appareil (3) à embout haptique (2) doté d'un mécanisme d'ancrage (3.1) développé pour des patients aphaques qui ont perdu le support du cristallin après une opération de la cataracte ou pour toute autre raison, qui empêche le déplacement d'une LIO en trois pièces qui est implantée par une petite lacération cornéenne dans l'œil, par la fixation au niveau de l'haptique (2) de la lentille.
PCT/TR2016/050048 2015-05-12 2016-02-24 Appareil à embout haptique et ailelettes d'ancrage pour lentilles intraoculaires Ceased WO2016182520A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2015/05750 2015-05-12
TR201505750 2015-05-12

Publications (1)

Publication Number Publication Date
WO2016182520A1 true WO2016182520A1 (fr) 2016-11-17

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Family Applications (1)

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PCT/TR2016/050048 Ceased WO2016182520A1 (fr) 2015-05-12 2016-02-24 Appareil à embout haptique et ailelettes d'ancrage pour lentilles intraoculaires

Country Status (1)

Country Link
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018191816A1 (fr) * 2017-04-18 2018-10-25 Matthew Anderson Dispositif de fixation de lentille intraoculaire
EP3409240A1 (fr) * 2017-05-24 2018-12-05 VisionCare, Inc. Lentille intra-oculaire comprenant une partie d'engagement sclérale
WO2019243937A1 (fr) * 2018-06-19 2019-12-26 Carriazo Cesar C Dispositif de retenue servant à maintenir un implant optique sur une zone de paroi dans un espace intérieur d'un œil et dispositif optique muni d'un dispositif de retenue et d'un implant optique
WO2020086312A1 (fr) * 2018-10-23 2020-04-30 The Board Of Trustees Of The Leland Stanford Junior University Capsule artificielle de lentille intraoculaire
WO2020132706A1 (fr) * 2018-12-27 2020-07-02 Medizinische Universität Wien Dispositif de fixation d'une lentille intraoculaire
WO2020139212A1 (fr) * 2018-12-28 2020-07-02 Ondokuz Mayis Üni̇versi̇tesi̇ Rektörlük Özel Kalem Vergi̇ Numarasi Canule de fixation sclérale sans suture
US10973624B1 (en) 2020-04-29 2021-04-13 Long Bridge Medical, Inc. Devices to support and position an intraocular lens within the eye and methods of use
FR3134308A1 (fr) * 2022-04-12 2023-10-13 Pierre-André DUVAL Dispositif intraoculaire prévu pour être implanté dans un œil d’une personne
US12419736B2 (en) 2020-04-29 2025-09-23 Long Bridge Medical, Inc. Devices to support and position an intraocular lens within the eye and methods of use

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193750B1 (en) * 1999-10-15 2001-02-27 Medevec Licensing, B.V. Collars for lens loops
WO2002065951A2 (fr) * 2001-02-20 2002-08-29 Nulens Ltd Cristallin artificiel
EP2042124B1 (fr) 2007-09-27 2010-11-03 Alcon Research, Ltd. Lentille intraoculaire
EP2503962B1 (fr) 2010-01-26 2013-07-24 Physiol Lentille intraoculaire
JP2014014646A (ja) * 2012-06-15 2014-01-30 Chukyo Medical Co Inc 眼内レンズ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193750B1 (en) * 1999-10-15 2001-02-27 Medevec Licensing, B.V. Collars for lens loops
WO2002065951A2 (fr) * 2001-02-20 2002-08-29 Nulens Ltd Cristallin artificiel
EP2042124B1 (fr) 2007-09-27 2010-11-03 Alcon Research, Ltd. Lentille intraoculaire
EP2503962B1 (fr) 2010-01-26 2013-07-24 Physiol Lentille intraoculaire
JP2014014646A (ja) * 2012-06-15 2014-01-30 Chukyo Medical Co Inc 眼内レンズ

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018191816A1 (fr) * 2017-04-18 2018-10-25 Matthew Anderson Dispositif de fixation de lentille intraoculaire
EP3409240A1 (fr) * 2017-05-24 2018-12-05 VisionCare, Inc. Lentille intra-oculaire comprenant une partie d'engagement sclérale
JP2018196727A (ja) * 2017-05-24 2018-12-13 ヴィジョンケア、インコーポレイティッド 強膜係合部を含む眼内レンズ
US10548713B2 (en) 2017-05-24 2020-02-04 Visioncare, Inc. Intraocular lens including scleral engagement portion
JP7168345B2 (ja) 2017-05-24 2022-11-09 ヴィジョンケア、インコーポレイティッド 強膜係合部を含む眼内レンズ
WO2019243937A1 (fr) * 2018-06-19 2019-12-26 Carriazo Cesar C Dispositif de retenue servant à maintenir un implant optique sur une zone de paroi dans un espace intérieur d'un œil et dispositif optique muni d'un dispositif de retenue et d'un implant optique
US11759312B2 (en) 2018-06-19 2023-09-19 Cesar C. Carriazo Holding apparatus for holding an optical implant at a wall region in an eye interior of an eye, and optical apparatus comprising a holding apparatus and an optical implant
US12458487B2 (en) 2018-10-23 2025-11-04 The Board Of Trustees Of The Leland Stanford Junior University Intraocular artificial lens capsule
WO2020086312A1 (fr) * 2018-10-23 2020-04-30 The Board Of Trustees Of The Leland Stanford Junior University Capsule artificielle de lentille intraoculaire
WO2020132706A1 (fr) * 2018-12-27 2020-07-02 Medizinische Universität Wien Dispositif de fixation d'une lentille intraoculaire
WO2020139212A1 (fr) * 2018-12-28 2020-07-02 Ondokuz Mayis Üni̇versi̇tesi̇ Rektörlük Özel Kalem Vergi̇ Numarasi Canule de fixation sclérale sans suture
US10973624B1 (en) 2020-04-29 2021-04-13 Long Bridge Medical, Inc. Devices to support and position an intraocular lens within the eye and methods of use
US12036109B2 (en) 2020-04-29 2024-07-16 Long Bridge Medical, Inc. Devices to support and position an intraocular lens within the eye and methods of use
US12419736B2 (en) 2020-04-29 2025-09-23 Long Bridge Medical, Inc. Devices to support and position an intraocular lens within the eye and methods of use
US12447005B2 (en) 2020-04-29 2025-10-21 Long Bridge Medical, Inc. Delivery devices for implantation of intraocular lens support devices and methods of use
US11759309B2 (en) 2020-04-29 2023-09-19 Long Bridge Medical, Inc. Devices to support and position an intraocular lens within the eye and methods of use
FR3134308A1 (fr) * 2022-04-12 2023-10-13 Pierre-André DUVAL Dispositif intraoculaire prévu pour être implanté dans un œil d’une personne

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