A wire groove fixed intraocular lens and its installation method and wire clamp and auxiliary clamping device

By setting a wire groove on the side of the optical part of the intraocular lens, combining the positioning part and the connecting part, the stable fixation of sutures is achieved by using the wire clip and clamping device, the problems of easy slippage and complex surgery in the prior art are solved, and a more firm and simplified surgical fixation method is achieved.

CN119454293BActive Publication Date: 2025-04-22THE EYE HOSPITAL OF WENZHOU MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202510059756.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-04-22
Estimated Expiration
2045-01-15

AI Technical Summary

Technical Problem

The existing intraocular lens fixation methods have fixed wire knots that are easy to slip, and the surgical incision is large, making the operation complicated.

Method used

A fixed intraocular lens is adopted, and a duct can be jammed into the suture on the side of the optical part. Combined with the positioning part and the connecting part, the stable fixation of the suture is achieved through the wire clamp and the clamping device.

Benefits of technology

The fixation method of the intraocular lens is simplified, the fixation firmness is improved, and the complexity of the surgery and the size of the incision are reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

A wire groove fixed intraocular lens and its installation method and wire clamp and auxiliary clamping device, comprising an optical part, wherein the optical part is a columnar optical element with a certain thickness, and 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. The intraocular lens is embedded by passing the suture through the wire groove at the upper and lower edges of the optical part, 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 by means of a wire clamp, thereby simplifying the fixing method of the intraocular lens, and the wire groove type fixation also makes the fixation of the intraocular lens more secure.
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Description

Technical Field

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

[0002] Existing artificial lenses are mostly fixed in the eye by using a support loop on the optical part of the lens or by suturing with sutures. However, the existing fixing methods have the problem that the fixing knot is 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 in the prior art, the present invention provides a wire slot fixed intraocular lens and a mounting method thereof, and a wire clamp and an auxiliary clamping device.

[0004] The technical solution adopted by the present invention is: a wire groove fixed artificial 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 also 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 then is 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 sutures through wire grooves at the upper and lower edges of an optical part to clamp the intraocular lens, passing one side of the suture without knots 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.

[0012] 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.

[0013] 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.

[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, or reinforce existing knots, and protect the knots from conjunctival exposure.

[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, and the plug and the socket are plugged and matched to achieve fixation of the two half clamps in the clamping closed state.

[0016] The half clamp is a 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 the installation of a wire clamp, the auxiliary clamping device is composed of two separated auxiliary clamp half-clamps, each of the auxiliary clamp half-clamps is provided with a accommodating chamber that can be placed in one half-clamp of the corresponding wire clamp on the clamping surface, and is easy to separate from the wire clamp after clamping the wire clamp, and each auxiliary clamp half-clip has a clamping part on the outer side, in which a commonly used ophthalmic micro toothless forceps can be placed 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, wherein the optical part is a cylindrical optical element with a certain thickness, and 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. The intraocular lens is embedded by passing the sutures through the wire grooves at the upper and lower edges of the optical part, 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 by means of a wire clamp, thereby simplifying 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 schematic diagram of Example 1.

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

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

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

[0025] Figure 5 This is a structural schematic 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 schematic diagram of the structure of the auxiliary clamping device of Example 7.

[0028] Figure 8 It is a schematic diagram of the intraocular installation of the wire slot 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 be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example 1

[0032] A wire groove fixed intraocular lens comprises an optical part 1, wherein the optical part 1 is a columnar 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.

[0033] 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.

[0034] Example 2

[0035] A wire groove fixed intraocular lens comprises 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 arranged 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 inserting sutures is arranged in the middle of the positioning part 12. The through hole is located at the lower center of the positioning part 12, and the through hole is connected to the wire groove 11. The suture is inserted into the wire groove 11 after passing through the through hole through the wire groove 11. The number of the positioning part 12 is 1, and the positioning part 12 is arranged on the side of one radial end of the optical part 1.

[0036] When in use, the upper suture is passed through the hole of the positioning part and 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 to the scleral surface under the conjunctiva with a wire clamp.

[0037] Example 3

[0038] A wire groove fixed intraocular lens comprises 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 arranged 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 inserting sutures is arranged in the middle of the positioning part 12. The through hole is located at the lower center of the positioning part 12, and the through hole is connected to the wire groove 11. The suture is inserted into the wire groove 11 after passing through the through hole through 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.

[0039] 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.

[0040] Example 4

[0041] A wire groove fixed intraocular lens comprises an optical part 1, wherein the optical part 1 is a columnar 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 inserting sutures is arranged in the middle of the positioning part 12. The through hole is located at a lower central position of the positioning part 12, and the through hole is connected to the wire groove 11, and the suture is inserted into the wire groove 11 after passing through the through hole through the wire groove 11. The number of the positioning parts 12 is 1 or 2, and the two positioning parts 12 are symmetrically arranged on the side of the two ends of the optical part 1 in the radial direction. A connecting part 13 is also provided between the positioning part 12 and the optical part 1, and the wire groove 11 extends to the connecting part 13 and is connected to the through hole on the positioning part 12. The connecting portion 13 is a trapezoidal protrusion protruding from the side of the optical portion 1 .

[0042] 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 with a wire clamp.

[0043] Example 5

[0044] A wire groove fixed intraocular lens comprises an optical part 1, wherein the optical part 1 is a columnar 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. An anti-fall hole 14 is also arranged on the optical part 1, and the anti-fall hole 14 is located at the edge of the optical part 1 and communicated with the wire groove 11.

[0045] When in use, first tie a wire inside the anti-fall hole to prevent the artificial lens from falling into the vitreous cavity during the surgical operation, and 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 with a wire clamp.

[0046] Example 6

[0047] A wire clamp, 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, and the two half clamps 2 can play a role in tying knots, or reinforcing existing knots, and protecting the knots from exposure of 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, and 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, and the curved surface adapts to the curvature of the sclera and can accommodate the knot.

[0048] Example 7

[0049] An auxiliary clamping device for assisting the installation of the wire clamp, the auxiliary clamping device is composed of two separated auxiliary clamp half clamps 3, each of the auxiliary clamp half clamps 3 is provided with a receiving compartment on the clamping surface for placing a half clamp 2 of the corresponding wire clamp, and is easy to separate from the wire clamp after clamping the wire clamp, each auxiliary clamp half clamp 3 is provided with a clamping portion 31 on the outside, and a commonly used ophthalmic microscopic toothless forceps can be placed in the clamping portion 31 to generate a stable and effective clamping force. The clamping portion is a tunnel structure, a groove, a strip groove or an open groove structure.

[0050] Technical personnel should note: Although the present invention has been described according to the above-mentioned 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 up and down descriptions in the specification are based on the orientation descriptions in the main figure.

[0051] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A wire clamp for installing a wire slot fixed intraocular lens, 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. The two half clamps (2) can play a role in tying knots or reinforcing existing knots when in a clamped state, and protect the knots from exposure of the conjunctiva. 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. 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. The two half clamps (2) form a circular structure when in a clamped state. The lower end surface of the wire clamp is an arc surface, which adapts to the curvature of the sclera and can accommodate the knot.

2. A wire-slot fixed intraocular lens fixed by the wire clamp according to claim 1, 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) into which a suture can be inserted. The wire groove (11) is arranged partially or fully along the circumference of the side of the optical part (1). The side of the optical part (1) is also provided with a positioning part (12). The positioning part (12) is a protrusion protruding from the side of the optical part (1). A through hole through which a suture can be passed is arranged in the middle of the positioning part (12). The through hole is located at a lower position in the center of the positioning part (12). The through hole is connected to the wire groove (11). The suture is inserted through the through hole through the wire groove (11) and then inserted into the positioning part. The optical part (1) is embedded in a wire groove (11), the number of the positioning parts (12) is one or two, the two positioning parts (12) are symmetrically arranged on the side surfaces of the two radial ends of the optical part (1), a connecting part (13) is further provided between the positioning part (12) and the optical part (1), the wire groove (11) extends to the connecting part (13) and is connected to a through hole on the positioning part (12), the connecting part (13) is a trapezoidal protrusion protruding from the side surface of the optical part (1), and an anti-fall hole (14) is further 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).

3. A clamping device for assisting the installation of the wire clamp according to claim 1, 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.

4. The clamping aid device according to claim 3, characterized in that: The clamping portion is a tunnel structure, a groove, a strip groove or an open groove structure.

Citation Information

Patent Citations

  • Suture securement devices

    CN107405142A

  • Intraocular lens

    KR1020180083715A