Intraocular lens with fixed wire duct, installation method of intraocular lens, wire clamp and auxiliary clamping device

Abstract

The invention relates to a trunking fixed intraocular lens and an installation method thereof, a wire clamp and a clamping assisting device, the trunking fixed intraocular lens comprises an optical part, the optical part is a columnar optical element with a certain thickness, the side surface of the optical part is provided with a trunking in which a suture can be clamped and embedded, the trunking is locally or completely arranged along the circumference of the side surface of the optical part, and the optical part is a cylindrical optical element. According to the intraocular lens, the suture is clamped and embedded into the intraocular lens through the line grooves in the upper edge and the lower edge of the optical part, the knotless side of the suture penetrates through and is fixed to the sclera face below the conjunctiva, the other side of the suture penetrates through and is directly fixed to the sclera face below the conjunctiva in a line clamp mode, and the fixing mode of the intraocular lens is simplified; and the fixing of the intraocular lens is firmer due to the wire slot type fixing.

Description

Technical Field

[0001] The present invention relates to the technical field of intraocular lens implantation, and in particular to a wire-groove fixed intraocular lens, a mounting method thereof, a wire clamp, and an auxiliary clamping device. Background Art

[0002] Existing intraocular lenses are mostly fixed in the eye by using support loops on the optical part of the lens or sutures. However, the existing fixation methods have the problem that the knots of the fixation lines are easy to slip off, the surgical incision is large, and the surgical operation is cumbersome. Summary of the Invention

[0003] In order to solve the technical defects of the prior art, the present invention provides a wire-slot fixed intraocular lens, an installation method thereof, a wire clamp and an auxiliary clamping device.

[0004] The technical solution adopted by the present invention is: a wire groove fixed intraocular lens, including an optical part, the optical part is a cylindrical optical element with a certain thickness, the side of the optical part is provided with a wire groove for embedding sutures, and the wire groove is arranged partially or fully along the circumference of the side of the optical part.

[0005] A positioning portion is further provided on the side of the optical part. The positioning portion is a protrusion protruding from the side of the optical part. A through hole is provided in the middle of the positioning portion for passing a suture.

[0006] The through hole is located at a lower central position of the positioning portion, and the through hole is connected to the wire groove. The suture passes through the through hole through the wire groove and is then embedded in the wire groove.

[0007] The number of the positioning parts is 1 or 2, and the two positioning parts are symmetrically arranged on the side surfaces at both ends of the optical part in the radial direction.

[0008] A connecting portion is further provided between the positioning portion and the optical portion, and the wire groove extends to the connecting portion and is connected to the through hole on the positioning portion.

[0009] The connecting portion is a trapezoidal protrusion protruding from the side of the optical portion.

[0010] An anti-falling hole is also provided on the optical part. The anti-falling hole is located at the edge of the optical part and is communicated with the wire groove.

[0011] A method for installing a wire-groove fixed intraocular lens comprises the following steps: inserting a suture through the wire grooves at the upper and lower edges of the optical part to clamp the intraocular lens, passing the knotless side of the suture through and fixing it to the sclera surface under the conjunctiva, and passing the other side through and directly fixing it to the sclera surface under the conjunctiva by means of a wire clamp.

[0012] The installation method includes the following steps: passing the upper suture through the hole of the positioning part and locking it into the wire groove at the upper edge of the optical part; passing the lower suture through the wire groove at the lower edge of the optical part, and locking the upper and lower sutures together to lock the artificial lens, the knotless side of the suture passes through and is fixed to the scleral surface under the conjunctiva, and the other side passes through and is directly fixed to the scleral surface under the conjunctiva using a wire clamp.

[0013] The installation method includes the following steps: passing the upper and lower sutures through the holes of the positioning parts on the upper and lower parts of the optical part respectively, and locking them into the wire grooves on the edges of the optical part, locking the upper and lower sutures together to lock the artificial lens, and the knotless side of the suture passes through and is fixed to the scleral surface under the conjunctiva, and the other side passes through and is directly fixed to the scleral surface under the conjunctiva using a wire clamp.

[0014] A wire clamp, which consists of two half clamps, the tail ends of the two half clamps are fused together or connected by a connecting device. When the two half clamps are in a clamped state, they can tie knots, reinforce existing knots, and protect the knots from exposure of the conjunctiva.

[0015] The clamping surface of one of the half clamps is provided with a plug, and the clamping surface of the other half clamp is provided with a socket at a corresponding position. The plug and the socket are plugged together to achieve fixation of the two half clamps in the clamped state.

[0016] The half clamps are of semicircular structure, and the two half clamps form a circular structure when in a clamped state.

[0017] The lower end surface of the wire clamp is an arc surface, which adapts to the curvature of the sclera and can accommodate the wire knot.

[0018] An auxiliary clamping device for assisting in the installation of a wire clamp, the auxiliary clamping device consisting of two separate auxiliary clamp halves, each of the auxiliary clamp halves being provided with a accommodating compartment on the clamping surface for inserting one half of the corresponding wire clamp, and being easily separated from the wire clamp after the wire clamp is clamped, each auxiliary clamp half being provided with a clamping portion on the outer side, into which commonly used ophthalmic micro toothless tweezers can be inserted to generate a stable and effective clamping force.

[0019] The clamping portion is a tunnel structure, a groove, a strip groove or an open groove structure.

[0020] The beneficial effects of the present invention are as follows: the present invention provides a wire groove fixed intraocular lens and its installation method and wire clamp and auxiliary clamping device, including an optical part, the optical part is a cylindrical optical element with a certain thickness, the side of the optical part is provided with a wire groove for embedding sutures, the wire groove is arranged partially or fully along the circumference of the side of the optical part, and the suture is embedded in the intraocular lens by passing the wire groove at the upper and lower edges of the optical part, the knotless side of the suture passes through and is fixed to the scleral surface under the conjunctiva, and the other side passes through and is directly fixed to the scleral surface under the conjunctiva by means of a wire clamp, which simplifies the fixing method of the intraocular lens, and the wire groove type fixation also makes the fixation of the intraocular lens more secure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural diagram of Example 1.

[0022] Figure 2 This is a structural diagram of Example 2.

[0023] Figure 3 This is a structural diagram of Example 3.

[0024] Figure 4 This is a structural diagram of Example 4.

[0025] Figure 5 This is a structural diagram of Example 5.

[0026] Figure 6 This is a schematic diagram of the wire clamp structure of Example 6.

[0027] Figure 7 This is a structural schematic diagram of the auxiliary clamping device in Example 7.

[0028] Figure 8 This is a schematic diagram of the intraocular installation of the wire groove fixed intraocular lens of the present invention.

[0029] Among them, 1-optical part, 2-half clamp, 3-auxiliary clamp half clamp, 11-wire slot, 12-positioning part, 13-connecting part, 14-anti-fall hole, 21-bolt, 31-clamping part. DETAILED DESCRIPTION

[0030] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] Example 1 A groove-fixed intraocular lens includes an optical part 1, which is a cylindrical optical element with a certain thickness. The side of the optical part 1 is provided with a groove 11 for inserting sutures. The groove 11 is arranged partially or fully along the circumference of the side of the optical part 1. When in use, the suture is passed through the wire grooves at the upper and lower edges of the optical part to embed the artificial lens. The knotless side of the suture passes through and is fixed to the scleral surface under the conjunctiva, and the other side passes through and is directly fixed to the scleral surface under the conjunctiva using a wire clamp.

[0032] Example 2 A wire groove fixed intraocular lens includes an optical part 1, wherein the optical part 1 is a cylindrical optical element with a certain thickness, and a wire groove 11 for inserting sutures is provided on the side of the optical part 1, and the wire groove 11 is arranged partially or fully along the circumference of the side of the optical part 1. A positioning part 12 is also provided on the side of the optical part 1, and the positioning part 12 is a protrusion protruding from the side of the optical part 1, and a through hole for passing sutures is provided in the middle of the positioning part 12. The through hole is located in the lower center of the positioning part 12, and the through hole is connected to the wire groove 11. The suture is passed through the through hole through the wire groove 11 and then inserted into the wire groove 11. The number of the positioning part 12 is one, and the positioning part 12 is arranged on the side of one radial end of the optical part 1.

[0033] When in use, the upper suture is passed through the hole in the positioning part and is embedded in the wire groove on the upper edge of the optical part; the lower suture is passed through the wire groove on the lower edge of the optical part, and the upper and lower sutures are embedded in the artificial lens together. The knotless side of the suture passes through and is fixed on the scleral surface under the conjunctiva, and the other side passes through and is directly fixed on the scleral surface under the conjunctiva with a wire clamp.

[0034] Example 3 A wire groove fixed intraocular lens includes an optical part 1, wherein the optical part 1 is a cylindrical optical element with a certain thickness, and a wire groove 11 for inserting sutures is provided on the side of the optical part 1, and the wire groove 11 is arranged partially or fully along the circumference of the side of the optical part 1. A positioning part 12 is also provided on the side of the optical part 1, and the positioning part 12 is a protrusion protruding from the side of the optical part 1, and a through hole for passing sutures is provided in the middle of the positioning part 12. The through hole is located in the lower center of the positioning part 12, and the through hole is connected to the wire groove 11. The suture is passed through the through hole through the wire groove 11 and then inserted into the wire groove 11. There are two positioning parts 12, and the positioning parts 12 are arranged on the side surfaces at both ends of the optical part 1 in the radial direction.

[0035] When in use, the upper and lower sutures are respectively passed through the holes of the positioning parts at the upper and lower parts of the optical part, and are embedded in the wire grooves at the edge of the optical part. The upper and lower sutures are embedded in the artificial lens together. The knotless side of the suture passes through and is fixed on the scleral surface under the conjunctiva, and the other side passes through and is directly fixed on the scleral surface under the conjunctiva with a wire clamp.

[0036] Example 4 A wire-slot-fixed intraocular lens comprises an optic 1, which is a cylindrical optical element of a certain thickness. A wire slot 11 for inserting sutures is provided on the side of the optic 1. The wire slot 11 is provided partially or fully along the circumference of the side of the optic 1. A positioning portion 12 is also provided on the side of the optic 1. The positioning portion 12 is a protrusion protruding from the side of the optic 1. A through hole is provided in the center of the positioning portion 12, through which sutures can pass. The through hole is located slightly below the center of the positioning portion 12 and is connected to the wire slot 11. The suture is passed through the through hole through the wire slot 11 and then inserted into the wire slot 11. There are one or two positioning portions 12, symmetrically arranged on the radially opposite sides of the optic 1. A connecting portion 13 is provided between the positioning portion 12 and the optic 1. The wire slot 11 extends to the connecting portion 13 and is connected to the through hole in the positioning portion 12. The connecting portion 13 is a trapezoidal protrusion protruding from the side of the optical portion 1 .

[0037] When in use, the suture is passed through the through hole of the positioning part, the wire groove on the connecting part, and the wire grooves on the upper and lower edges of the optical part to embed the artificial lens. The knotless side of the suture passes through and is fixed on the scleral surface under the conjunctiva, and the other side passes through and is directly fixed on the scleral surface under the conjunctiva using a wire clamp.

[0038] Example 5 A wire-slot-fixed intraocular lens comprises an optic 1, which is a cylindrical optical element of a certain thickness. A wire slot 11 for inserting sutures is provided on the side of the optic 1. The wire slot 11 is provided partially or fully along the circumference of the side of the optic 1. A drop prevention hole 14 is also provided on the upper surface of the optic 1, located at the edge of the optic 1 and communicating with the wire slot 11.

[0039] When in use, first tie a thread inside the anti-fall hole to prevent the artificial lens from falling into the vitreous cavity during the surgical operation, then pass the suture through the wire grooves at the upper and lower edges of the optical part to clamp the artificial lens. The knotless side of the suture passes through and is fixed on the scleral surface under the conjunctiva, and the other side passes through and is directly fixed on the scleral surface under the conjunctiva using a wire clamp.

[0040] Example 6 A wire clamp, which consists of two half-clamps 2. The tail ends of the two half-clamps 2 are fused together or connected by a connecting device. The two half-clamps 2 can play the role of tying knots, or reinforcing existing knots, and protecting knots from exposure to the conjunctiva when in a clamped state. The clamping surface of one of the half-clamps 2 is provided with a plug 21, and the clamping surface of the other half-clamp 2 has a socket at a corresponding position. The plug 21 and the socket are plugged together to achieve fixation of the two half-clamps 2 in a clamped state. The half-clamp 2 is a semicircular structure, and the two half-clamps 2 form a circular structure when in a clamped state. The lower end surface of the wire clamp is a curved surface, which adapts to the curvature of the sclera and can accommodate the knot.

[0041] Example 7 A clamping device for assisting in the installation of a cable clamp comprises two separate clamping halves 3. Each clamping surface is provided with a compartment for receiving one of the corresponding clamp halves 2. The compartment is easily separated from the clamp after the clamp is closed. Each clamping half 3 has a clamping portion 31 on its outer side. Commonly used ophthalmic microscopic toothless forceps can be inserted into the clamping portion 31 to generate a stable and effective clamping force. The clamping portion can be a tunnel structure, a groove, a strip groove, or an open groove structure.

[0042] Technical personnel should note: Although the present invention has been described according to the above specific implementation methods, the inventive concept of the present invention is not limited to this invention. Any modification using the inventive concept will be included in the scope of protection of this patent. The description of up and down in the specification is based on the orientation description in the main figure.

[0043] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, various improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A wire-slot fixed intraocular lens, comprising an optical part (1), characterized in that: The optical part (1) is a columnar optical element with a certain thickness. The side of the optical part (1) is provided with a wire groove (11) for inserting a suture. The wire groove (11) is arranged partially or fully along the circumference of the side of the optical part (1).

2. The wire slot fixed intraocular lens according to claim 1, characterized in that: A positioning portion (12) is also provided on the side of the optical portion (1); the positioning portion (12) is a protrusion protruding from the side of the optical portion (1); and a through hole through which a suture can pass is provided in the middle of the positioning portion (12).

3. The wire slot fixed intraocular lens according to claim 2, characterized in that: The through hole is located at a lower central position of the positioning portion (12), and the through hole is connected to the wire groove (11). The suture is passed through the wire groove (11) through the through hole and then embedded in the wire groove (11).

4. The wire slot fixed intraocular lens according to claim 3, characterized in that: The number of the positioning portions (12) is one or two, and the two positioning portions (12) are symmetrically arranged on the side surfaces at both ends of the optical portion (1) in the radial direction.

5. The wire slot fixed intraocular lens according to claim 3, characterized in that: A connecting portion (13) is further provided between the positioning portion (12) and the optical portion (1), and the wire groove (11) extends to the connecting portion (13) and is connected to a through hole on the positioning portion (12).

6. The wire slot fixed intraocular lens according to claim 5, characterized in that: The connecting portion (13) is a trapezoidal protrusion protruding from the side surface of the optical portion (1).

7. The wire slot fixed intraocular lens according to claim 1, characterized in that: An anti-fall hole (14) is also provided on the optical part (1); the anti-fall hole (14) is located at the edge of the optical part (1) and is connected to the wire groove (11).

8. A method for installing a wire slot fixed intraocular lens according to any one of claims 1 to 7, characterized in that: The method comprises the following steps: inserting the suture through the wire grooves at the upper and lower edges of the optical part to clamp the artificial lens, passing the knotless side of the suture through and fixing it on the scleral surface under the conjunctiva, and passing the other side through and directly fixing it on the scleral surface under the conjunctiva by means of a wire clamp.

9. The installation method according to claim 8, characterized in that: The installation method comprises the following steps: passing the upper suture through the hole of the positioning part and locking it in the upper edge groove of the optical part; passing the lower suture through the lower edge groove of the optical part, locking the upper and lower sutures together in the artificial lens, the knotless side of the suture passing through and fixed on the scleral surface under the conjunctiva, and the other side passing through and directly fixed on the scleral surface under the conjunctiva by means of a wire clamp.

10. The installation method according to claim 8, characterized in that: The installation method comprises the following steps: passing the upper and lower sutures through the holes of the positioning parts at the upper and lower parts of the optical part respectively, and locking the wire grooves at the edges of the optical part; locking the upper and lower sutures together to lock the artificial lens; the knotless side of the suture passes through and is fixed to the scleral surface under the conjunctiva; and the other side passes through and is directly fixed to the scleral surface under the conjunctiva by means of a wire clamp.

11. A wire clamp used in the installation method according to claim 8, characterized in that: The wire clamp is composed of two half clamps (2), the tail ends of the two half clamps (2) are fused together or connected by a connecting device. When the two half clamps (2) are in a clamped state, they can play a role in tying knots, or reinforcing existing wire knots, and protecting the wire knots from exposure of the conjunctiva.

12. The wire clamp according to claim 11, characterized in that: The clamping surface of one of the half clamps (2) is provided with a plug (21), and the clamping surface of the other half clamp (2) is provided with a socket at a corresponding position, and the plug (21) and the socket are plugged together to achieve fixation of the two half clamps (2) in a clamped state.

13. The wire clamp according to claim 11, characterized in that: The half clamp (2) is a semicircular structure, and the two half clamps (2) form a circular structure when in a clamped state.

14. The wire clamp according to claim 11, characterized in that: The lower end surface of the wire clamp is an arc surface, which adapts to the curvature of the sclera and can accommodate the wire knot.

15. A clamping aid device for assisting the installation of the wire clamp according to claim 11, characterized in that: The auxiliary clamping device is composed of two separated auxiliary clamping half clamps (3). The clamping surface of each auxiliary clamping half clamp (3) is provided with a receiving chamber for placing a half clamp (2) of the corresponding wire clamp, and is easy to be separated from the wire clamp after clamping the wire clamp. The outer side of each auxiliary clamping half clamp (3) is provided with a clamping portion (31), and a commonly used ophthalmic micro toothless forceps can be placed in the clamping portion (31) to generate a stable and effective clamping force.

16. The clamping aid device according to claim 15, characterized in that: The clamping portion is a tunnel structure, a groove, a strip groove or an open groove structure.

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