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FR2855745A1 - Intraocular lens capsule part cutting device for cataract surgery, has ring with cutting edge, folded in guide tube during its insertion into eye and unfolded to be applied on capsule for repeatedly performing cutting operation - Google Patents

Intraocular lens capsule part cutting device for cataract surgery, has ring with cutting edge, folded in guide tube during its insertion into eye and unfolded to be applied on capsule for repeatedly performing cutting operation Download PDF

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Publication number
FR2855745A1
FR2855745A1 FR0306764A FR0306764A FR2855745A1 FR 2855745 A1 FR2855745 A1 FR 2855745A1 FR 0306764 A FR0306764 A FR 0306764A FR 0306764 A FR0306764 A FR 0306764A FR 2855745 A1 FR2855745 A1 FR 2855745A1
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FR
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Patent type
Prior art keywords
cutting
ring
edge
capsule
handle
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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.)
Pending
Application number
FR0306764A
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French (fr)
Inventor
Joseph Leon
Original Assignee
Joseph Leon
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F9/00Methods 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
    • A61F9/007Methods or devices for eye surgery
    • A61F9/00736Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
    • A61F9/00754Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments for cutting or perforating the anterior lens capsule, e.g. capsulotomes

Abstract

The device has a ring (1) whose lower edge is a cutting edge and integrated to a handle (3). The ring and handle slide in a guide tube (5). The ring is folded in the tube during its insertion into the eye and is unfolded to its initial shape. The ring is applied on an anterior capsule of an intraocular lens for repeatedly performing cutting operation. The handle has a stop (6) at its back part to limit its movement.

Description

La présente invention concerne un dispositif permettant le The present invention relates to a device for

découpage avec une grande précision de la capsule antérieure du cristallin au cours de chirurgie de la cataracte. cutting with high precision of the anterior lens capsule during cataract surgery. Cette découpe est un temps initial essentiel dans cette intervention, permettant d'enlever une partie de l'enveloppe du cristallin (capsule, dont l'épaisseur est de quelques microns) afin d'accéder à son contenu (noyau,cortex) qui sera extrait à travers cet orifice capsulaire. This cut is a critical time in this initial intervention for removing a portion of the envelope of the lens (capsule, with a thickness of several microns) to access its contents (core cortex) that will extract through the capsular opening.

Le découpage de cette capsule, appelé capsulorhéxis, est réalisé actuellement soit par une aiguille dont l'extrémité pointue et à bords 10 tranchants est recourbée à 90 par rapport à son axe principal ( kystitome), soit à l'aide d'une pince à mors courbes et à extrémités semblables à celles du kystitome. Cutting the capsule, called capsulorhexis, is currently achieved either by a needle whose tip end and cutting edges 10 is bent at 90 with respect to its main axis (cystotome) or by means of a clip jaw curves and ends similar to those of cystotome. Dans les deux cas, deux types d'inconvénients existent: d'une part la découpe nécessite plusieurs temps de dissection de la capsule rendant difficile la réalisation d'un bord parfaitement régulier avec risques de déchirures vers la périphérie de la capsule, d'autre part il y a une absence de précision pourtant recherchée de la taille et de la forme de cette coupe ( la détermination rigoureuse du diamètre exact du lambeau capsulaire est impossible, et toujours approximative). In both cases, two types of drawbacks exist: first cutting capsule requires the dissection of several time making it difficult to achieve a perfectly smooth edge with risk of lacerations to the periphery of the capsule, on the other hand there is a lack of precision yet sought the size and shape of the cup (the rigorous determination of the exact diameter of the capsular flap is impossible and always approximate).

Le dispositif selon l'invention permet de remédier à ces inconvénients. The device of the invention overcomes these drawbacks. Il comporte en effet selon une première caractéristique un anneau déformable et ayant une excellente mémoire de forme dont le bord inférieur est tranchant tandis qu'une portion du bord supérieur est solidarisé à un manche. It comprises in effect according to a first characteristic and a deformable ring having an excellent shape memory whose lower edge is sharp while a portion of the upper edge is secured to a handle. L'ensemble (anneau et manche) est introduit entièrement dans un tube guide dans lequel il peut coulisser. The assembly (ring and sleeve) is fully inserted into a guide tube in which it can slide. L'anneau ainsi contenu dans ce tube guide, son bord inférieur tranchant n'a aucune agressivité tissulaire au cours de son introduction dans l'oeil. The ring and in this guide tube, its sharp bottom edge has no aggressiveness tissue during insertion into the eye. Le tube guide est introduit ainsi à l'intérieur de l'oeil jusqu'à la partie centrale (pupille) . The guide tube is inserted and inside of the eye to the central portion (pupil). L'opérateur n'a plus alors qu'à pousser sur le manche pour faire sortir l'anneau du tube guide (fourreau), l'anneau retrouvant alors sa forme initiale, puis à appliquer la face inférieure tranchante de cet anneau sur la capsule du cristallin pour en effectuer la découpe en un seul temps et avec une extrême précision qualitative ( régularité de sphéricité du bord périphérique du lambeau capsulaire découpé) et quantitative (diamètre et forme de capsule découpée). The operator then has only to push the nose to push out the ring of the guide tube (sheath), the ring then recovering its original form, then applying the sharp underside of the ring on the cap lens to perform the cutting in one time and with extreme precision qualitative (sphericity of regularity of the peripheral edge of the capsular flap cut) and quantitative (diameter and shape of cut capsule). Sitôt la découpe réalisée un mouvement inverse de traction sur le manche permet de réintroduire l'anneau dans son fourreau (tube guide) afin que l'ensemble puisse être sorti de l'oeil sans risque de blessure par le bord tranchant de l'anneau. As soon as the cut-out a reverse movement of traction on the handle allows to reintroduce the ring in its sheath (guide tube) so that the assembly can be removed from the eye without risk of injury from the cutting edge of the ring. De plus, le fait d'introduire l'anneau replié dans le tube guide réduit la taille de l'incision d'entrée de l'instrument au 10 minimum, c'est à dire à celle de la largeur du tube guide. In addition, the fact of introducing the ring folded in the guide tube reduces the size of the instrument entry incision 10 min, i.e. that the width of the guide tube.

Selon des modes particuliers de réalisation: -le tube guide peut avoir une forme ovalaire, rectangulaire ou de toute autre forme. According to particular embodiments: -the guide tube may have an oval, rectangular or any other form.

-le manche peut être muni d'un système de butée permettant le blocage de sa course dans son mouvement de poussée à travers le tube guide pour ne permettre -en poussée maximum- que la sortie seule de l'anneau. -the handle may be provided with a stop system for the locking of its stroke in its pushing movement through the guide tube to allow only -en maximum- thrust that the only output of the ring.

- le manche peut être muni d'un système de butée permettant le blocage de sa course dans son mouvement de rétraction à travers le tube 20 guide pour éviter que l'ensemble manche-anneau ne se désemboite du tube guide. - the handle may be provided with a stop system for the locking of its stroke in its retracting movement through the tube guide 20 to prevent the handle assembly ring does désemboite the guide tube.

-le manche peut être de forme rectangulaire ou de tout autre forme autorisant son coulissage dans le tube guide. -the handle may be rectangular or any other shape allowing its sliding in the guide tube.

-l'anneau peut être de forme circulaire, ovalaire ou de toute autre 25 forme. -l'anneau may be circular, oval or any other shape 25.

-l'anneau peut être de coupe triangulaire (à pointe inférieure et base supérieure), ou polygonale (à bords inférieur tranchant), ou de toute autre forme. -l'anneau may be triangular in section (in lower tip and upper base), or polygonal (with sharp lower edges), or of any other shape.

-l'anneau peut être de dimensions variables (diamètre, grand axe). -l'anneau may be of varying size (diameter, major axis).

Les dessins annexés illustrent l'invention: La figure 1 représente le dispositif de l'invention vu par sa face inférieure, avec l'anneau et le manche. The accompanying drawings illustrate the invention: Figure 1 shows the device of the invention seen with its underside, with the ring and the handle.

La figure 2 représente le dispositif de l'invention avec l'anneau introduit dans le tube guide et le manche en position de rétraction maximale. 2 shows the device of the invention with the ring inserted into the guide tube and the handle in position of maximum retraction. [ A] , puis avec l'anneau totalement sorti du tube guide et le manche en position de poussée maximale [ C, et en position intermédiaire [ B] . [A] and with the ring completely out of the guide tube and the handle in maximum thrust position [C, and in an intermediate position [B]. En référence à ces dessins, le dispositif comporte un anneau (1), dont une portion de la face supérieure (2) est solidaire d'un manche (3) 10 et dont le bord inférieur (4) est tranchant sur toute sa circonférence. Referring to these drawings, the device comprises a ring (1), a portion of the upper face (2) is secured to a handle (3) 10 and the lower edge (4) is sharp on its entire circumference.

L'ensemble anneau-manche coulisse à l'intérieur d'un tube guide (5) .Un système de butée (6) limite -au cours du mouvement de poussée- la course du manche (3) dans le tube guide (5) permettant une sortie limitée à l'anneau (1) hors du tube guide (5). The entire ring-sleeve slides inside a guide tube (5) .A stop system (6) limits the movement of -during poussée- the stroke of the handle (3) in the guide tube (5) allowing limited output to the ring (1) out of the guide tube (5).

C'est grace à la capacité de déformabilité que l'anneau (1) pourra s'insérer dans le tube guide (5) en tirant le manche (3) vers l'arrière. It is thanks to the deformability of capacity that the ring (1) can be inserted into the guide tube (5) by pulling the handle (3) backward.

C'est grace aussi à sa parfaite mémoire de forme qu'il (1) reprendra sa forme initiale lorsqu'on le sortira du tube guide (5) par une poussée du manche (3) vers l'avant. It is also thanks to its perfect shape memory that (1) return to its original shape when the come out of the guide tube (5) with a round of thrust (3) forward.

A titre d'exemple non limitatif, l'anneau sera circulaire de 8 mm de diamètre et de coupe triangulaire à base supérieure. By way of nonlimiting example, the ring will be circular 8 mm diameter and of triangular section upper base. L'épaisseur de l'anneau sera de 300 microns et la largeur de sa face supérieure de 500 microns. The thickness of the ring will be 300 microns and the width of its upper face 500 microns. La largeur externe du tube guide sera de 2,2 mm, sa hauteur de 1 mm et sa longueur de 25 mm. The outer width of the guide tube is 2.2 mm, height of 1 mm and a length of 25 mm. La longueur du manche sera de 27 25 mm. The handle length is 27 to 25 mm.

Le dispositif selon l'invention est particulièrement destiné au découpage de la capsule antérieure du cristallin (capsulorhéxis) au cours de la chirurgie de la cataracte. The device according to the invention is particularly intended for the cutting of the anterior lens capsule (capsulorhexis) during cataract surgery.

Claims (3)

    REVENDICATIONS
  1. 1) Dispositif pour réaliser la découpe d'une partie de la capsule du cristallin caractérisé en ce qu'il comporte un anneau (1), dont le bord inférieur est tranchant (4), solidarisé à un manche (3), l'ensemble coulissant dans un tube guide (5) 1) Device for carrying out the cutting of a part of the lens capsule characterized in that it comprises a ring (1), whose lower edge is the cutting edge (4), integral to a handle (3), the assembly sliding in a guide tube (5)
  2. 2) Dispositif selon la revendication 1 caractérisé en ce que l'anneau ( 1) est doté d'une mémoire de forme de telle manière qu'en déplaçant le manche ( 3) vers l'arrière l'anneau est introduit entièrement replié dans le tube guide ( 5) ou vers l'avant l'anneau est totalement déplié hors du tube guide et reprend sa forme initiale. 2) Device according to claim 1 characterized in that the ring (1) has a shape memory such that in moving the handle (3) backwards the ring is fully inserted in the folded guide tube (5) or forward the ring is completely unfolded out of the guide tube and resumes its initial shape.
  3. 3) Dispositif selon la revendication 1 ou la revendication 2 caractérisé en ce que le manche soit doté dans sa partie arrière d'une butée (6) qui limite la course de son déplacement. 3) Device according to claim 1 or claim 2 characterized in that the handle is provided in its rear part with a stop (6) which limits the stroke of its movement.
FR0306764A 2003-06-03 2003-06-03 Intraocular lens capsule part cutting device for cataract surgery, has ring with cutting edge, folded in guide tube during its insertion into eye and unfolded to be applied on capsule for repeatedly performing cutting operation Pending FR2855745A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0306764A FR2855745A1 (en) 2003-06-03 2003-06-03 Intraocular lens capsule part cutting device for cataract surgery, has ring with cutting edge, folded in guide tube during its insertion into eye and unfolded to be applied on capsule for repeatedly performing cutting operation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0306764A FR2855745A1 (en) 2003-06-03 2003-06-03 Intraocular lens capsule part cutting device for cataract surgery, has ring with cutting edge, folded in guide tube during its insertion into eye and unfolded to be applied on capsule for repeatedly performing cutting operation
FR0310937A FR2855746A1 (en) 2003-06-03 2003-09-15 Intraocular lens capsule part cutting device for cataract surgery, has circular wire with cutting edge and rolled in guide tube during its insertion into eye and unrolled to be applied on capsule to repeatedly perform cutting operation

Publications (1)

Publication Number Publication Date
FR2855745A1 true true FR2855745A1 (en) 2004-12-10

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FR0306764A Pending FR2855745A1 (en) 2003-06-03 2003-06-03 Intraocular lens capsule part cutting device for cataract surgery, has ring with cutting edge, folded in guide tube during its insertion into eye and unfolded to be applied on capsule for repeatedly performing cutting operation

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FR (1) FR2855745A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8137344B2 (en) 2008-12-10 2012-03-20 Alcon Research, Ltd. Flexible, automated capsulorhexis device
US8157797B2 (en) 2009-01-12 2012-04-17 Alcon Research, Ltd. Capsularhexis device with retractable bipolar electrodes
CN102836031A (en) * 2011-06-20 2012-12-26 尹澜 Peplos port forming device
US8663235B2 (en) * 1997-10-14 2014-03-04 Marie-José B. Tassignon Bag-in-the-lens intraocular lens with removable optic
USD707818S1 (en) 2013-03-05 2014-06-24 Alcon Research Ltd. Capsulorhexis handpiece
US8814854B2 (en) 2009-06-03 2014-08-26 Alcon Research, Ltd. Capsulotomy repair device and method for capsulotomy repair
USD737438S1 (en) 2014-03-04 2015-08-25 Novartis Ag Capsulorhexis handpiece
US9125720B2 (en) 2008-10-13 2015-09-08 Alcon Research, Ltd. Capsularhexis device with flexible heating element
US9149388B2 (en) 2010-09-29 2015-10-06 Alcon Research, Ltd. Attenuated RF power for automated capsulorhexis
US9241755B2 (en) 2010-05-11 2016-01-26 Alcon Research, Ltd. Capsule polishing device and method for capsule polishing

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8663235B2 (en) * 1997-10-14 2014-03-04 Marie-José B. Tassignon Bag-in-the-lens intraocular lens with removable optic
US9125720B2 (en) 2008-10-13 2015-09-08 Alcon Research, Ltd. Capsularhexis device with flexible heating element
US8137344B2 (en) 2008-12-10 2012-03-20 Alcon Research, Ltd. Flexible, automated capsulorhexis device
US8157797B2 (en) 2009-01-12 2012-04-17 Alcon Research, Ltd. Capsularhexis device with retractable bipolar electrodes
US8814854B2 (en) 2009-06-03 2014-08-26 Alcon Research, Ltd. Capsulotomy repair device and method for capsulotomy repair
US9241755B2 (en) 2010-05-11 2016-01-26 Alcon Research, Ltd. Capsule polishing device and method for capsule polishing
US9149388B2 (en) 2010-09-29 2015-10-06 Alcon Research, Ltd. Attenuated RF power for automated capsulorhexis
US9351872B2 (en) 2010-09-29 2016-05-31 Alcon Research, Ltd. Attenuated RF power for automated capsulorhexis
CN102836031B (en) * 2011-06-20 2014-11-19 尹澜 Peplos port forming device
CN102836031A (en) * 2011-06-20 2012-12-26 尹澜 Peplos port forming device
USD707818S1 (en) 2013-03-05 2014-06-24 Alcon Research Ltd. Capsulorhexis handpiece
USD737438S1 (en) 2014-03-04 2015-08-25 Novartis Ag Capsulorhexis handpiece

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