Intraocular implant

Abstract

The invention relates to an intraocular implant (10) comprising - a central body (12) of generally toric shape hollow and open towards the center of the central body (12), the central body (12) being configured to accommodate a secondary intraocular implant, in particular an intraocular lens, - at least two attachments (14) connected to the central body (12) and also distributed around the central body (12) to allow the attachment of the implant in the eye (1) of a patient, each attachment (14) comprising a proximal part (14-1) relative to the central body (12) and a distal part (14-2) relative to the central body (12), the proximal part (14-1) being formed by an elastic loop attached to the central body (12) and the distal part by an elastic anchoring member (14-2) comprising a base (14-3) of elongated shape and attached to the elastic loop (14-1) as well that a vertex (14-4) oriented generally perpendicular to the base (14-3).Figure for abstract: Figure 3.

Description

Title of the invention: Intraocular implant Technical field of the invention

[0001] The invention relates to an intraocular implant. The invention applies in particular to the treatment of cataracts, but it is also possible to envisage, for certain embodiments, for example the treatment of aniridia. Technical background

[0002] [Fig.l] shows schematically the structure of a human eye 1. In particular, the cornea 3, the capsular bag 5, the lens 7 and the aqueous humor 9 are referenced.

[0003] Cataract is a partial or total clouding of the lens 7 that threatens long-term vision. It affects more than one in five people from the age of 65 and nearly two in three after the age of 85. Cataracts are usually treated by surgery. Thus, it is one of the most common surgical procedures in the world. Nearly 4,700,000 people are operated on in Europe each year

[0004] In the most common version of this procedure, the crystalline lens 7 of eye 1 is removed and then replaced by an intraocular implant, consisting of a converging lens made of artificial biomaterial whose power is adapted to the characteristics of the operated eye. More precisely, the cataract operation consists of incising the capsular bag 5, then injecting an intraocular lens (or "IOL") into it in order to restore the patient's visual acuity.

[0005] However, certain complications of the operation may lead to a rupture of the capsular bag 5 resulting in displacement of the intraocular lens in the vitreous cavity. The surgeon is therefore unable to continue his intervention. Indeed, in this case, the selected intraocular lens can no longer be used and the surgeon must then consider a new operation to replace the defective capsular bag and then implant a new intraocular lens.

[0006] Such a complication, especially when it occurs during the operation, is a source of concern for the patient because he must consider returning for a new ophthalmic operation. It is also a waste of time for the surgeon and involves additional costs for the health system because the current operation must be interrupted and then an operating protocol put in place again at a later date. In addition, between the two operations, the patient's visual comfort is severely restricted.

[0007] Furthermore, it is noted that dislocation or total absence of the lens can also in- intervene for example:

[0008] • following diseases of the elastic tissue or certain ocular pathologies, which fra gilt the lens-capsular bag-zonule complex, or

[0009] • following violent contusive trauma.

[0010] To at least partially overcome one or more of these situations, it is appropriate to replace the capsular bag 5 with an intraocular implant to then allow an intraocular lens to be positioned there, in particular in order to avoid the interruption of an operation in progress and its subsequent reprogramming.

[0011] Document WO2021016678 discloses an artificial capsule of the lens of the human eye for the insertion of intraocular lenses, the use of which is required in ophthalmic surgery involving a complication in which the surgeon is unable to implant the intraocular lens in a conventional manner, mainly in cases of surgical, traumatic or secondary injuries to diseases that cause the degradation or fragility of this structure. The prosthesis has a hollow structure, so that in the center, in the vision area, there is only the optical part of the lens, allowing light rays to pass without interference.

[0012] However, the operation of implanting this capsular bag appears complex.

[0013] Document US 5,628,795 describes an ophthalmic implant made of a biocompatible material and which can be implanted by a surgeon in the ciliary sulcus or in the residual natural capsular bag of the eye of a patient after cataract surgery in order to serve as a receptacle for an intraocular lens.

[0014] This device is fixed by fasteners in the form of straight or curved hooks which pass through the implant. The attachment of this implant proves to be complex and tedious for a surgeon.

[0015] Document CN114504428A relates to an artificial capsular bag and an implantation instrument and method thereof. The artificial capsular bag comprises a capsular bag body and at least three fixation lines. The capsular bag body is provided with a capsular bag cavity and at least three fixation holes distributed in the circumferential direction. By means of this artificial capsular bag, the capsular bag environment is reconstructed for patients with severe capsular bag damage and patients whose lens capsular bags are displaced.

[0016] This implant also proves to be complex in its use and requires too much intervention time for a surgeon. Summary of the invention

[0017] The invention aims in particular to provide an intraocular implant which is easier to use and which makes it possible to reduce the operating time of a surgeon.

[0018] To this end, the invention relates to an intraocular implant comprising:

[0019] - a central body of generally hollow toric shape and open towards the center of the central body, the central body being configured to accommodate a secondary intraocular implant, in particular an intraocular lens,

[0020] - at least two fasteners connected to the central body and equally distributed around the central body for allowing the implant to be attached in the eye of a patient, each attachment comprising a portion proximal to the central body and a portion distal to the central body, the proximal portion being formed by an elastic loop attached to the central body and the distal portion by an elastic anchoring member comprising an elongated base attached to the elastic loop and a top oriented generally perpendicular to the base.

[0021] Thanks to the intraocular implant according to the invention, it is possible to quickly compensate for a loss or dislocation of the capsular bag and thus avoid a rescheduling of surgical intervention in the event of accidental rupture of the capsular bag. In particular, it is possible to envisage using for the injection of the capsular implant the same incisions that were made by the surgeon for the implantation of an intraocular lens before the dislocation thereof. Thus, the surgeon's intervention time is minimized and the patient no longer has to return for a second eye operation.

[0022] The intraocular implant may have one or more of the following characteristics taken alone or in combination.

[0023] The central body of general toric shape has, for example, in a cross-section, a general “V” shape having a flattened base and the opening of the branches of which is directed towards the center of the central body.

[0024] The anterior branch intended to be closest to the cornea in the implanted state may have a washer shape.

[0025] The posterior branch intended to be furthest from the cornea in the implanted state may have the shape of a perforated bowl.

[0026] The central body of general toric shape has in particular, according to a cross-section, a general “U” shape having a flattened base and the opening of the branches of which is directed towards the center of the central body.

[0027] The width of the elastic handle is for example greater than the width of the top of the elastic anchoring member.

[0028] The elastic handle comprises in particular two branches for attachment to the central body and an elastic beam connecting the two attachment branches so as to define with the central body an opening of generally kidney-shaped shape.

[0029] The base of the elastic anchoring member can be attached centered relative to the elastic handle.

[0030] The top of the elastic anchoring member is notably produced in the form of a oblong loop with a perpendicular orientation to the base of the “T”.

[0031] The top of the elastic anchoring member can be made in the form of a crosspiece.

[0032] The crosspiece comprises, for example, grooves or through or blind holes.

[0033] The intraocular implant can be made in one piece.

[0034] The intraocular implant is notably produced by injection molding in one biocompatible material chosen in particular from the group of the following materials: silicones, polymethyl methacrylate (PMMA), acrylates, acrylics.

[0035] The implant may comprise two attachments or two pairs of attachments, two attachments being respectively diametrically opposed.

[0036] The central body may have at least one, or even several, radial notches.

[0037] The central body is for example at least partially colored, in particular on the surface or in the mass.

[0038] The implant may further comprise an electronic component, in particular a sensor and / or a communication antenna, integrated by overmolding into the central body.

[0039] The invention also relates to a treatment kit for overcoming a dislocation or absence of the lens of the eye, according to which it comprises an intraocular implant injector and an intraocular implant as defined above and arranged in a chamber for receiving the intraocular implant.

[0040] The invention may also relate to a method of implanting an intraocular implant as defined above, in which

[0041] - incisions are made in the membranes of the eye at the level of the zonule of Zinn,

[0042] - injects the intraocular implant with an intraocular implant injector through from one of the incisions,

[0043] - the top of each elastic anchoring member is brought out by an incision associated.

[0044] In one aspect, an intraocular lens may be placed within the central body of the intraocular implant. Brief description of the figures

[0045] The invention will be better understood on reading the following description given solely by way of non-limiting example and made with reference to the appended drawings in which:

[0046] [Fig-1] [Fig.l] shows a simplified diagram of the eye;

[0047] [Fig.2] [Fig.2] is a top view of the intraocular implant according to one embodiment;

[0048] [Fig.3] [Fig.3] is a perspective view of the intraocular implant of [Fig.2],

[0049] [Fig.4] [Fig.4] is a cross-sectional view of the intraocular implant of [Fig.2].

[0050] [Fig.5] [Fig.5] is a cross-sectional view of the intraocular implant similar to that of [Fig.4], but of a variant,

[0051] [Fig.6] [Fig.6] is a top view of the intraocular implant according to another mode of realization,

[0052] [Fig.7] [Fig.7] is a perspective view of the intraocular implant according to another embodiment,

[0053] [Fig.8] [Fig.8] is a perspective view of a detail of an alternative embodiment of the intraocular implant,

[0054] [Fig.9] [Fig.9] is a perspective view of the intraocular implant according to further another embodiment,

[0055] [Fig. 10] [Fig. 10] is a perspective view of the intraocular implant according to yet another embodiment,

[0056] [Fig. 11] [Fig. 11] is a perspective view of a treatment kit for compensating for a dislocation or absence of the lens of the eye,

[0057] [Fig. 12] [Fig. 12] is a perspective view for explaining a method of implanting the intraocular implant for the treatment aimed at overcoming a dislocation or absence of the lens of the eye,

[0058] [Fig. 13] [Fig. 13] is a side view showing the intraocular implant placed in an eye, and

[0059] [Fig. 14] [Fig. 14] is a watermarked and perspective view showing the intraocular implant placed in an eye. Detailed description

[0060] The following embodiments are examples. Although the description refers to one or more embodiments, this does not necessarily mean that each reference relates to the same embodiment, or that the features apply only to a single embodiment. Single features of different embodiments may also be combined or interchanged to provide other embodiments, without departing from the scope of the invention, as defined by the claims.

[0061] In Figures 2 to 4, an intraocular implant 10 according to an embodiment of the present invention is shown schematically and respectively in a top view, in perspective and in cross-section.

[0062] The intraocular implant comprises a central body 12 and at least two attachments 14 (two attachments 14 in FIGS. 2 to 4) connected to the central body 12. In [Fig. 2], an attachment 14 is surrounded by a dotted line.

[0063] The central body 12 has a generally hollow toric shape and is open in direction of the center C of the central body 12.

[0064] As can be better seen in [Fig.3] and in particular in [Fig.4] in cross-section, the central body 12 of generally toric shape has, in a cross-section, a general “V” shape having a flattened base 12-1 and the opening of the branches 12-2 and 12-3 of which is directed towards the center C of the central body 12. In [Fig.4], with respect to the sheet of drawings, the “V” is rotated 90° with respect to a vertical going from the top to the bottom of the sheet.

[0065] As seen in [Fig.4], the branch 12-2 is the anterior branch which is intended to be closest to the cornea 3 in the implanted state. This part of the central body 12 has a washer shape referenced 12-4 with an opening 12-5 as seen in Figures 2, 3 and 4. For example, the opening 12-5 has a diameter between 5mm and 10mm, in particular 7mm. The opening 12-5 can also serve as a visual reference for positioning, in particular for the orientation of the toric axis of the implant 10.

[0066] The posterior branch 12-3, that is to say the one intended to be furthest from the cornea 3 in the implanted state, has the shape of a perforated bowl 12-6 with an opening 12-7. For example, the opening 12-7 has a diameter of between 2mm and 8mm, in particular 4mm. It is therefore understood that the diameter of the opening 12-7 is between 40% and 80% of the diameter of the opening 12-5.

[0067] Thus the central body 12 defines an open receptacle where a secondary intraocular implant, in particular an intraocular lens, can be housed and held between the branches 12-2 and 12-3 of the central body 12, the openings 12-5 and 12-7 allowing light rays to pass through and in the implanted state of the intraocular implant 12 with a secondary intraocular implant such as an intraocular lens, the light rays entering the eye and reaching the retina are almost unaffected by the intraocular implant 12, but only by the intraocular lens which will be arranged in the intraocular implant 12.

[0068] The central body 12 therefore makes it possible, in the implanted state, to fulfill the functions of a capsular bag 5 and is configured to accommodate a secondary intraocular implant, in particular an intraocular lens.

[0069] [Fig. 5] is a cross-sectional view of another embodiment which differs from that of FIGS. 2 to 4 in that the central body 12 has, in a cross-section, a general “U” shape having a flattened base 12-1 and the opening of the branches 12-2 and 12-3 of which is directed towards the center C of the central body 12.

[0070] According to the embodiment of [Fig.5], not only the front part 12-4 has a washer shape but also the rear part 12-8.

[0071] Finally the difference in diameter of the openings 12-5 and 12-7 is more important, the diameter of the 12-5 opening between 2-9mm being larger than that of the 12-7 opening between 2-9mm.

[0072] We return to the embodiment of figures 2 to 4 to detail an example of an embodiment of the fasteners 14.

[0073] As seen in the aforementioned figures, the two attachments 14 are connected to the central body 12 and also distributed around it to allow the attachment of the intraocular implant 10 in the eye of a patient as will be explained in more detail later.

[0074] Each fastener 14 comprises a proximal portion 14-1 relative to the central body 12 and a distal portion 14-2 relative to the central body 12. The proximal portion 14-1 is formed by an elastic loop attached to the central body 12 which also serves as an “anti-torsion” means. The distal portion 14-2 is formed by an elastic anchoring member (also referenced 14-2) comprising a base 14-3 of elongated shape and attached to the elastic loop 14-1 as well as a top 14-4 oriented generally perpendicularly relative to the base 14-3. As can be seen in the figure, the elastic anchoring member 14-2 has a general “T” shape.

[0075] The apex 14-4 of the elastic anchoring member 14-2 is produced in the form of an oblong loop oriented perpendicular to the base 14-3 of the “T”. According to another embodiment, the apex 14-4 may have an “X” shape for example, the center of which is attached to the base 14-3.

[0076] The attachment 14 may make an angle α relative to the washer 12-4 of between -25° and 25°, in particular 20° (see [Fig.4]). This may be of interest in order to better conform to the curvature of the eye when the intraocular implant 10 is implanted. Furthermore, the angle α may be chosen to better position the implant 10 and more specifically the central body 12 relative to the iris. The central body 12 may thus be moved closer to or further away from the iris.

[0077] As can be seen very clearly in [Fig.2] in top view, the width L1 of the elastic handle 14-1 is greater than the width L2 of the top 14-4 of the elastic anchoring member 14-2 of general “T” shape. As an example, the width L1 is for example 5.3 mm and the width L2 is 2 mm.

[0078] The elastic loop 14-1 comprises two attachment branches 14-1a to the central body 12 and an elastic beam 14-1b connecting the two attachment branches 14-1a so as to define with the central body 12 an opening 14-1a of generally kidney-shaped shape (see [Fig.3]). The elastic beam 14-1b may have a smaller section than that of the attachment branches 14-1a in order to concentrate the deformations at the level of the attachment 14 without modification of the central body 12. The elastic loop 14-1 also has the function of creating contact points, in particular four contact points, with the sulcus and / or the ciciliary bodies in order to stabilize the intraocular implant 10 once implanted.

[0079] The base 14-3 of the elastic anchoring member 14-2 of general “T” shape is of elongated shape and attached centrally with respect to the elastic loop 14-1. This base 14-3 may be of conical shape in order to prevent possible withdrawal from the sclera. To do this, the cross-section of the end of the base 14-3 which is closer to the apex 14-4 is larger than the cross-section of the end of the base 14-3 which is closer to the loop 14-1.

[0080] In Figures 2 to 4, the intraocular implant 10 comprises two attachments 14 which are diametrically opposed.

[0081] [Fig.6] shows another embodiment with two pairs of fasteners 14 which are therefore also distributed around the circumference of the central body 12 so that two fasteners 14 are respectively diametrically opposed.

[0082] [Fig.7] shows yet another embodiment which differs notably from the embodiment of figures 2 to 4 by the fact that in general the central body 12 and more specifically the washer 14-4 and / or the cup 12-6 has(have) at least one, or even several radial notches 12-10. These notches 12-10 allow better absorption of mechanical stresses when the intraocular implant is inserted using an intraocular injector as will be described later. By way of example, the washer 14-4 has two notches 12-10 which are diametrically opposed. More specifically, they can be positioned so that they are aligned with the elongated notches 14-3. Also by way of example the cup 14-6 has four notches 12-10 which are diametrically opposed in pairs and regularly distributed. For the bowl 12-6, the two radial notches 12-10 are for example positioned so that they are aligned with the elongated bases 14-3.

[0083] [Fig.8] shows an alternative to the previous figures which differs by a cross-shaped section of the top 14-4 of the elastic anchoring member 14-2.

[0084] In this case, the cross-shaped apex 14-4 may include grooves or through or blind holes, five in number according to the example of [Fig.8] and referenced 14-5. This embodiment where the apex 14-4 will be in the implanted state present in the intra-scleral flap makes it possible to promote the natural circulation of the uvea and reduce the risk of glaucoma.

[0085] The intraocular implant 10 is made, for example, from a single piece and from a single material.

[0086] More specifically, the intraocular implant 10 is produced by injection molding in a biocompatible material chosen in particular from the group of the following materials: silicones, polymethyl methacrylate (PMMA), acrylates, acrylics.

[0087] Particularly for silicones, we can consider those of the RTV type. For acrylates, these can be hydrophobic or hydrophilic or it can be a co- hybrid polymer with a hydrophilic core and a hydrophobic surface.

[0088] In the case where implantation via an intraocular injector is envisaged as will be described later, flexible hydrophilic (HEMA, etc.) or hydrophobic (silicones, acrylics, etc.) materials are chosen.

[0089] [Fig.9] shows a particular embodiment aimed at use for the treatment of aniridia (pigmentation defect of the iris). As can be seen in this figure, the central body 12 and in particular the posterior part 12-6 is at least partially colored, in particular on the surface or in the mass. Of course, it is also possible to consider coloring the anterior part 12-4, partially or completely. In the latter case, this anterior part with the opening 12-5 can play the role of a diaphragm.

[0090] [Fig. 10] shows yet another particular embodiment according to which the intraocular implant 10 further comprises an electronic component, in particular a sensor 16 and / or a communication antenna 18, integrated by overmolding into the central body 12, in particular in the anterior part 12-4. The electronic component may also comprise a micro-screen for projecting information in the form of images or writing directly into the user's eye.

[0091] It is advantageous that the intraocular implant 10 can be implanted by known and widely used and approved techniques using an intraocular implant injector.

[0092] Such intraocular implant injectors are for example known from documents WO1997015253A1 and WO2006077349A1.

[0093] [Fig. 11] shows an exemplary embodiment of a treatment kit 30 for overcoming a dislocation or absence of the lens of the eye which comprises an intraocular implant injector 32 and an intraocular implant 10 according to one of the exemplary embodiments set out above. The intraocular implant injector 32, the operation of which is very close to that of a syringe as described in the cited documents, has a receiving chamber 34 in which the intraocular implant 10 is arranged to be injected into the eye through an incision of approximately 2.2 to 2.4 mm made in the eye by the surgeon.

[0094] The injector 32 shown in [Fig. 11] has a pivoting cover 36 allowing close the receiving chamber 34 after having loaded the intraocular implant 10 as well as an injection liquid used during implantation by injection.

[0095] An example of a method of implanting the intraocular implant 10 described above involves a surgeon making incisions in the membranes of the eye at the zonule of Zinn.

[0096] Then, as shown in [Fig. 12], the intraocular implant 10 is injected with an intraocular implant injector 32 through one of the small incisions size, typically about 2.2mm in length. In [Fig. 12], we see that the implant, which is very flexible, conforms to the tubular walls of the tip of the injector 32.

[0097] Once injected into the eye, the intraocular implant 10 returns to its shape as shown in Figures 1 to 10.

[0098] To then fix the intraocular implant 10, the surgeon brings out the apex 14-4 of each elastic anchoring member 14-2 through an associated incision. The intraocular implant 10 in the implanted state is shown in Figures 12 and 13.

[0099] The loop-shaped vertices 14-4 as shown in Figures 2 to 7 and 9 and 10 facilitate the work of the surgeon because they can easily be hooked, for example, by operating instruments having a microhook at their ends, then pulled through the incision.

[0100] For the embodiment of [Fig.8], the surgeon can use an operating instrument with micro-forceps at one end.

[0101] Once the intraocular implant 10 which is to replace the faulty capsular bag is in place, the surgeon can then place an intraocular lens in the central body of the intraocular implant 10 which will be held between the anterior 12-4 and posterior 12-6 parts of the central body 12. Finally, the surgeon can close the incisions in particular using a suture liquid.

[0102] It is therefore understood that the intraocular implant 10 makes it possible to easily compensate for a defective capsular bag. In addition, this intraocular implant 10 can be used to treat aniridia and include electronic components making it possible to increase the range of possible functions of this intraocular implant 10. In the latter case, but also generally as an alternative implantation operation, it is also possible to envisage inserting the intraocular implant 10 via a larger incision and not resorting to implantation via an injector 32 as described above if the size of the electronic component is too large and / or the flexibility of the electronic component is too low.

Claims

Claims

1. Intraocular implant (10) comprising - a central body (12) of generally toric shape hollow and open towards the center of the central body (12), the central body (12) being configured to accommodate a secondary intraocular implant, in particular an intraocular lens, - at least two attachments (14) connected to the central body (12) and also distributed around the central body (12) to allow the attachment of the implant in the eye (1) of a patient, each attachment (14) comprising a proximal part (14-1) relative to the central body (12) and a distal part (14-2) relative to the central body (12), the proximal part (14-1) being formed by an elastic loop attached to the central body (12) and the distal part by an elastic anchoring member (14-2) comprising a base (14-3) of elongated shape and attached to the elastic loop (14-1) as well as a summit (14-4) oriented generally perpendicular to the base (14-3).

2. Intraocular implant (10) according to claim 1 according to which the central body (12) of generally toric shape has, in a cross section, a general “V” shape having a flattened base (12-1) and the opening of the branches (12-2, 12-3) of which is directed towards the center (C) of the central body (12).

3. An intraocular implant (10) according to claim 2, wherein the anterior branch (12-2) intended to be closest to the cornea in the implanted state has a washer shape (12-4).

4. Intraocular implant (10) according to claim 2 or 3, according to which the posterior branch (12-3) intended to be furthest from the cornea in the implanted state has a perforated cup shape (12-6).

5. Intraocular implant (10) according to claim 1 according to which the central body (12) of generally toric shape has, in a cross section, a general “U” shape having a flattened base (12-1) and the opening of the branches (12-2, 12-3) of which is directed towards the center (C) of the central body (12).

6. Intraocular implant (10) according to any one of claims 1 to 5, according to which the width (L1) of the elastic loop (14-1) is greater than the width (L2) of the top (14-4) of the elastic anchoring member (14-2).

7. An intraocular implant (10) according to any one of claims 1 to 5. 6, according to which the elastic handle (14-1) comprises two attachment branches (14-la) to the central body (12) and an elastic beam (14-lb) connecting the two attachment branches (14-la) so as to define with the central body (12) an opening (14-le) of generally kidney-shaped shape.

8. An intraocular implant (10) according to any one of claims 1 to 7, wherein the base (14-3) of the elastic anchoring member (14-2) is centrally attached relative to the elastic loop (14-1).

9. Intraocular implant (10) according to any one of claims 1 to 8, according to which the apex (14-4) of the elastic anchoring member (14-2) is produced in the form of an oblong loop oriented perpendicular to the base of the “T”.

10. Intraocular implant (10) according to any one of claims 1 to 8, according to which the top (14-4) of the elastic anchoring member (14-2) is made in the form of a crosspiece.

11. An intraocular implant (10) according to claim 10, wherein the crosspiece (14-4) comprises through or blind grooves or holes (14-5).

12. An intraocular implant (10) according to any one of claims 1 to 11, wherein the intraocular implant (10) is made in one piece.

13. Intraocular implant (10) according to any one of claims 1 to 12, according to which the intraocular implant (10) is produced by injection molding from a biocompatible material chosen in particular from the group of the following materials: silicones, polymethyl methacrylate (PMMA), acrylates, acrylics.

14. An intraocular implant (10) according to any one of claims 1 to 13, wherein it comprises two attachments or two pairs of attachments (14), two attachments (14) being respectively diametrically opposed.

15. Intraocular implant (10) according to any one of claims 1 to 14, according to which the central body (12) has at least one, or even several, radial notches (12-10).

16. Intraocular implant (10) according to any one of claims 1 to 15, according to which the central body (12) is at least partially colored, in particular on the surface or in the mass.

17. Intraocular implant (10) according to any one of claims 1 to 16, according to which it further comprises an electronic component (16, 18), in particular a sensor and / or a communication antenna, integrated by overmolding to the central body (12).

18. Treatment kit (30) for alleviating a dislocation or absence of the crystalline lens of the eye, according to which it comprises an intraocular implant injector (32) and an intraocular implant (10) according to any one of claims 1 to 17 arranged in a receiving chamber (34) of the intraocular implant (10).

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