CN210990934U

CN210990934U - Pre-assembled hyperchromic multifocal intraocular lens implantation system

Info

Publication number: CN210990934U
Application number: CN201921740418.0U
Authority: CN
Inventors: 麻健勇; 冯振宇; 刘丹
Original assignee: Vision Pro (wuxi) Ltd
Current assignee: Vision Pro (wuxi) Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-14
Anticipated expiration: 2029-10-16

Abstract

The utility model relates to an intraocular lens technical field, concretely relates to but prepackage type hyperchromic multifocal intraocular lens implantation system, include: the inner wall of the implantation tube is provided with a plurality of positioning bosses; the pushing tube is sleeved in the implantation tube and is in sliding connection with the implantation tube, the head of the pushing tube is provided with a pushing platform, and the edge of the pushing platform is provided with a sliding groove matched with the positioning boss; the leading-in rod is arranged in the propelling pipe, and the head of the leading-in rod is provided with a folding clamp. Be equipped with a plurality of location bosss on the implantation intraductal wall, the propulsion pipe cup joints in the implantation intraductal, with implantation pipe sliding connection, the propulsion nose portion is equipped with the propulsion platform, the propulsion platform edge be equipped with location boss complex sliding groove, the location boss is used for restricting intraocular lens at the rotation of implantation intraductal and roll, when making intraocular lens move in the implantation, orientation when constantly keeping treating the implantation, the step in follow-up adjustment intraocular lens's position has been saved, make whole intraocular lens implantation process more simple and convenient.

Description

Pre-assembled hyperchromic multifocal intraocular lens implantation system

Technical Field

The utility model relates to an intraocular lens technical field, concretely relates to but prepackage type hyperchromic multifocal intraocular lens implantation system.

Background

Intraocular lens implantation has been a routine procedure for the treatment of lens diseases such as cataracts over half a century. The original crystalline lens is removed by means of extracapsular extraction or ultrasonic emulsification and the like, and then an artificial crystalline lens capable of replacing the refractive function of the original crystalline lens is implanted, so that the vision of a patient is regained. With the continuous progress of cataract surgery and intraocular lens manufacturing techniques, higher and higher requirements are placed on the therapeutic effects of intraocular lens implantation.

In the prior art, the intraocular lens implanting system is composed of an injector and a folding clamp, wherein the injector is composed of a main tube and a push rod, and further comprises accessories such as a silica gel pad and a spring, the folding clamp and the main tube are integrated, and the folding clamp and the main tube are of a separated structure in a product with a part of specifications.

The intraocular lens is pushed in the main body tube through the folding clamp, when the intraocular lens moves in the main body tube, the intraocular lens can rotate and deviate from the implantation direction, and the implantation work can be continuously completed only by subsequently adjusting the direction of the intraocular lens.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention is to overcome the defect of the prior art that the intraocular lens may rotate when moving in the implantation tube, thereby providing a pre-assembled hyperchromic multifocal intraocular lens implantation system.

In order to solve the above technical problem, the utility model provides a but prepackage type hyperchromic multifocal intraocular lens implantation system, include:

the inner wall of the implantation tube is provided with a plurality of positioning bosses;

the pushing tube is sleeved in the implantation tube and is in sliding connection with the implantation tube, the head of the pushing tube is provided with a pushing platform, and the edge of the pushing platform is provided with a sliding groove matched with the positioning boss;

the leading-in rod is arranged in the propelling pipe, and the head of the leading-in rod is provided with a folding clamp.

Preferably, the front end surface of the propelling table is provided with a positioning groove.

Preferably, the tail part of the propelling pipe is provided with a baffle plate, and the outer diameter of the baffle plate is larger than the inner diameter of the implantation pipe.

Preferably, the introduction rod is provided with a hand-held portion at its end.

Preferably, an implantation head is connected to the head of the implantation tube.

Preferably, the implantation head is conical, the thicker end of the implantation head is connected with the implantation tube, and the thinner end of the implantation head is connected with the implantation needle tube.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a prepackage type can hyperchromic multifocal intraocular lens implantation system, be equipped with a plurality of location bosss on the implantation tube inner wall, it cup joints in the implantation tube to advance the pipe, with implantation tube sliding connection, it is equipped with and advances the platform to advance the nose, it is equipped with and fixes a position boss complex sliding groove to advance the platform edge, the location boss is used for restricting intraocular lens at the rotation of implantation tube and rolling, make intraocular lens when the implantation tube removes, constantly keep the orientation when waiting to implant, the step in follow-up adjustment intraocular lens's position has been saved, make whole intraocular lens implantation process more simple and convenient, and avoided causing the pollution to intraocular lens when adjusting intraocular lens.

2. The utility model provides a but prepackage type hyperchromic multifocal intraocular lens implantation system is equipped with the constant head tank on the terminal surface before the propulsion platform, further restricts the rotation and the upset of intraocular lens when implanting intraductal motion through the constant head tank, guarantees that intraocular lens can not change at the in-process orientation that advances.

3. The utility model provides a prepackage type multifocal intraocular lens implantation system that can add look, propulsion afterbody are equipped with the baffle, and the external diameter of baffle is greater than the internal diameter of implantation pipe, and the baffle is used for restricting the length that the propulsion pipe got into the implantation pipe, avoids the propulsion pipe to get into the length overlength in the implantation pipe, impels the platform to cause the extrusion to intraocular lens, or leads to the propulsion pipe can't take out from the implantation pipe.

4. The utility model provides a but prepackage type hyperchromic multifocal intraocular lens implantation system, leading-in pole afterbody are equipped with handheld portion, and the user drives leading-in pole through operation handheld portion and moves in the propulsion tube.

5. The utility model provides a prepackage type can hyperchromic multifocal intraocular lens implantation system, the implantation head is the toper, and the thinner one end of implantation head is connected with the implantation needle tubing, and it is folding to intraocular lens to implant the head cooperation through folding clamp and toper, reduces folding the touching area who presss from both sides with intraocular lens, reduces folding the harm that presss from both sides when centre gripping intraocular lens caused intraocular lens.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a pre-assembled hyperchromic multifocal intraocular lens implantation system according to an embodiment of the present invention.

Fig. 2 is a right side view of an implant provided in an embodiment of the present invention.

Fig. 3 is a schematic structural view of a propulsion pipe provided in an embodiment of the present invention.

Fig. 4 is a left side view of a propulsion tube provided in an embodiment of the present invention.

Fig. 5 is a right side view of a propulsion tube provided in an embodiment of the present invention.

Fig. 6 is a schematic structural view of a guide rod according to an embodiment of the present invention.

Description of reference numerals: 1. an implantation tube; 2. positioning the boss; 3. a propulsion tube; 4. a propulsion station; 5. a lead-in rod; 6. folding the clip; 7. positioning a groove; 8. a sliding groove; 9. a baffle plate; 10. a hand-held portion; 11. implanting a head; 12. implanting the needle tube.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

An embodiment of a pre-assembled hyperchromic multifocal intraocular lens implantation system of the present embodiment is shown in fig. 1-6 and comprises: an implantation tube 1, a propulsion tube 3 and an introduction rod 5.

Be equipped with a plurality of location bosss 2 on the inner wall of implantation tube 1, location boss 2 is used for restricting the rotation of intraocular lens in implantation tube 1 and rolls, when making intraocular lens remove in implantation tube 1, keeps the orientation when waiting to implant constantly, has saved the step in follow-up adjustment intraocular lens's position for whole intraocular lens implantation process is more simple and convenient, and has avoided causing the pollution to intraocular lens when adjusting intraocular lens. The head of the implantation tube 1 is connected with an implantation head 11, the implantation head 11 is conical, the thicker end of the implantation head 11 is connected with the implantation tube 1, the thinner end of the implantation head 11 is connected with an implantation needle tube 12, the folding clamp 6 and the conical implantation head 11 are matched to fold the intraocular lens, the contact area of the folding clamp 6 and the intraocular lens is reduced, and the damage to the intraocular lens caused by the folding clamp 6 when the intraocular lens is clamped is reduced.

The propelling tube 3 is sleeved in the implantation tube 1, the propelling tube 3 can slide back and forth in the implantation tube 1, the head of the propelling tube 3 is provided with the propelling table 4, the edge of the propelling table 4 is provided with the sliding groove 8 matched with the positioning boss 2, and the sliding groove 8 is matched with the positioning boss 2, so that the intraocular lens can only move towards the advancing direction of the propelling table 4 in the advancing process, and the intraocular lens is prevented from being clamped in a gap between the outer wall of the propelling tube 3 and the inner wall of the implantation tube 1 to damage the intraocular lens; be equipped with constant head tank 7 on the terminal surface before propulsion platform 4, further restrict intraocular lens in the rotation of the in-process that advances and roll, the 3 afterbody of propulsion pipe is equipped with baffle 9, and the external diameter of baffle 9 is greater than the internal diameter of implantation pipe 1, and baffle 9 is used for restricting the length that propulsion pipe 3 stretched into implantation pipe 1, avoids propulsion pipe 3 to stretch into the overlength, leads to before intraocular lens folds, and propulsion platform 4 and implantation pipe 1 inner wall cause the damage to intraocular lens extrusion.

The leading-in rod 5 is connected with the propelling tube 3 in a sliding mode, the leading-in rod 5 can slide back and forth in the propelling tube 3, the folding clamp 6 is arranged at the head of the leading-in rod 5, the folding clamp 6 is used for folding the intraocular lens, the handheld portion 10 is arranged at the tail of the leading-in rod 5, and a user can drive the leading-in rod 5 to move in the propelling tube 3 by operating the handheld portion 10.

When the pre-installed toric intraocular lens implantation system is used for implanting the toric intraocular lens, the intraocular lens is placed in the implantation tube 1, the positioning boss 2 is used for limiting the intraocular lens, the intraocular lens is prevented from overturning in the implantation tube 1, the intraocular lens is pushed forwards through the pushing tube 3, meanwhile, the positioning groove 7 on the pushing platform 4 is used for limiting the intraocular lens, so as to further prevent the intraocular lens from overturning in the implantation tube 1, then the leading-in rod 5 is extended into the pushing tube 3 to further push the artificial lens forward, and after the folding operation of the artificial lens is carried out by utilizing the folding clamp 6 and the implantation head 11, the implantation needle tube 12 is aligned to the part to be implanted of the intraocular lens, the artificial lens is pushed out from the implantation needle tube 12 into the human eye by using the leading-in rod 5, and the implantation of the toric artificial lens is completed by the conventional operation of the intraocular lens implantation.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A pre-packaged hyperchromic multifocal intraocular lens implantation system comprising:

the inner wall of the implantation tube (1) is provided with a plurality of positioning bosses (2);

the pushing tube (3) is sleeved in the implanting tube (1) and is connected with the implanting tube (1) in a sliding mode, a pushing table (4) is arranged at the head of the pushing tube (3), and a sliding groove (8) matched with the positioning boss (2) is formed in the edge of the pushing table (4);

the leading-in rod (5) is arranged in the propelling pipe (3), and the head of the leading-in rod (5) is provided with a folding clamp (6).

2. The preloaded hyperchromic multifocal intraocular lens implantation system according to claim 1, characterized in that a positioning slot (7) is provided on the front face of said pushing table (4).

3. The preloaded hyperchromic multifocal intraocular lens implantation system according to claim 1, characterized in that the pushing tube (3) is provided with a baffle (9) at its tail, the outer diameter of said baffle (9) being greater than the inner diameter of said implantation tube (1).

4. The preloaded hyperchromic multifocal intraocular lens implantation system according to claim 1, characterized in that said introduction rod (5) is provided with a handle (10) at its tail.

5. The preloaded hyperchromic multifocal intraocular lens implantation system according to claim 1, characterized in that an implantation head (11) is connected to the head of said implantation tube (1).

6. The preloaded hyperchromic multifocal intraocular lens implantation system according to claim 5, characterized in that said implantation head (11) is conical, the thicker end of said implantation head (11) being connected to said implantation tube (1), and the thinner end of said implantation head (11) being connected to an implantation needle (12).