CN213047491U

CN213047491U - Intraocular lens propeller for ophthalmology

Info

Publication number: CN213047491U
Application number: CN202020518824.9U
Authority: CN
Inventors: 郝苏斌
Original assignee: Shanghai Hongjin Medical Technology Development Co ltd
Current assignee: Shanghai Hongjin Medical Technology Development Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-04-27
Anticipated expiration: 2030-04-10

Abstract

The utility model belongs to the technical field of medical equipment, specifically discloses an ophthalmic artificial lens propeller, which comprises a first hollow tube, a second hollow tube, a push rod, a conical tube, a positioning tube and a fine adjustment threaded tube, wherein the end surface of one side of the first hollow tube and the end surfaces of two sides of the positioning tube are both provided with annular connecting grooves, the inner wall of each annular connecting groove is provided with a magnetic block, and the end surfaces of two ends of the second hollow tube and the end surface of one side of the conical tube are both fixed with magnetic rings matched with the annular connecting grooves; a fine adjustment threaded pipe is rotatably connected in the hollow pipe, a threaded block is connected in the fine adjustment threaded rod in a threaded manner, a push rod is fixed on the threaded block, a silica gel push head is sleeved at the top end of the push rod, and limiting blocks are fixed on two sides of the silica gel push head; the first opening is formed in the second hollow pipe, and the second opening is formed in the first opening.

Description

Intraocular lens propeller for ophthalmology

Technical Field

The utility model relates to an intraocular lens propeller for ophthalmology belongs to medical equipment technical field.

Background

Cataracts are a common blinding eye disease. The human eye has a tissue called the lens, which is normally transparent, through which light passes and some refractive interstitium to reach the retina, in order to see clearly the outside objects. Once the lens becomes cloudy for some reason, it can affect the retinal image, making it unsightly. That is, cataract is a condition in which the vision is deteriorated due to clouding of the lens. During operation, the turbid crystal is removed and then an artificial lens is placed. The artificial lens propeller in the prior art drives the artificial lens to move to the conical tube by manually pushing the push rod before use, and then aims at the position to be implanted, and the pushing force is not easy to control because of manual operation; the hollow tube formula structure as an organic whole that sets up on current propeller, its inside difficult washing to influence next use.

Disclosure of Invention

An object of the utility model is to provide an intraocular lens propeller for ophthalmology to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ophthalmic artificial lens propeller comprises a first hollow tube, a second hollow tube, a push rod, a conical tube, a positioning tube and a fine adjustment threaded tube, wherein annular connecting grooves are formed in the end surface of one side of the first hollow tube and the end surfaces of the two sides of the positioning tube respectively, magnetic blocks are arranged on the inner wall of each annular connecting groove, and magnetic rings matched with the annular connecting grooves are fixed on the end surfaces of the two ends of the second hollow tube and the end surface of one side of the conical tube respectively; a fine adjustment threaded pipe is rotatably connected in the hollow pipe, a threaded block is connected in the fine adjustment threaded rod in a threaded manner, a push rod is fixed on the threaded block, a silica gel push head is sleeved at the top end of the push rod, and limiting blocks are fixed on two sides of the silica gel push head; the first opening is formed in the second hollow pipe, and the second opening is formed in the first opening.

Preferably, a connecting port is arranged between the second hollow pipe and the first hollow pipe, and limiting grooves matched with the limiting blocks are formed in two sides of the connecting port.

Preferably, the conical tube, the positioning tube and the second hollow tube are all made of transparent materials; the conical pipe, the positioning pipe and the second hollow pipe are divided into two parts at the middle positions; an artificial lens is clamped in the positioning tube.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to an intraocular lens propeller for ophthalmology, the utility model discloses structure convenient to use, thereby convenient to detach is convenient for wash the inner structure of propeller so that use next time, and the push force of the adjustment push rod of being convenient for simultaneously is avoided this propeller to use the front because of thrust too big make this propeller of intraocular lens discharge lead to the condition emergence of losing. When the positioning device is used, the first hollow pipe, the second hollow pipe, the positioning pipe and the conical pipe are connected under the action of the magnetic blocks arranged in the magnetic ring and the annular connecting groove, the artificial crystal is arranged between the positioning pipes to play a positioning role between the positioning pipes, then the push rod is arranged in the fine adjustment threaded pipe, the limiting block is connected with the limiting groove, the threaded block is in threaded connection with the fine adjustment threaded pipe at the moment, then the fine adjustment threaded pipe is rotated to drive the threaded block to move, the threaded block drives the push rod to move, the push rod drives the silica gel pushing head to move, and the silica gel pushing head penetrates through the first opening and the second opening to push the artificial crystal in the positioning pipe into the conical pipe for operation; after the operation is finished, the push rod is separated from the propeller under the action of the thread block by rotating the fine adjustment thread pipe, and then the magnetic ring is separated from the annular connecting groove to realize the disassembly function of the propeller, so that the propeller is convenient to clean for the next use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a first hollow tube; 2. a second hollow tube; 201. a first opening; 202. a second opening; 203. a connecting port; 2031. a limiting groove; 3. a push rod; 4. a tapered tube; 5. a positioning tube; 6. fine adjustment of the threaded pipe; 7. an annular connecting groove; 8. a magnetic block; 9. a magnetic ring; 10. a limiting block; 11. a thread block; 12. and (5) a silica gel pushing head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: an intraocular lens mover for ophthalmic use, characterized by: the silica gel push head comprises a first hollow pipe 1, a second hollow pipe 2, a push rod 3, a conical pipe 4, a positioning pipe 5 and a fine adjustment threaded pipe 6, wherein annular connecting grooves 7 are formed in one side end face of the first hollow pipe 1 and two side end faces of the positioning pipe 5, a magnetic block 8 is arranged on the inner wall of each annular connecting groove 7, magnetic rings 9 matched with the annular connecting grooves 7 are fixed on the two end faces of the second hollow pipe 2 and one side end face of the conical pipe 4, the fine adjustment threaded pipe 6 is rotationally connected in the first hollow pipe 1, a threaded block 11 is connected in the fine adjustment threaded pipe 6 in a threaded manner, the push rod 3 is fixed on the threaded block 11, a silica gel push head 12 is sleeved at the top end of the push rod 3, and limiting blocks 10 are fixed on two sides of the silica; the first opening 201 is arranged in the second hollow pipe 2, and the second opening 202 is arranged at the first opening 201.

Furthermore, a connecting port 203 is arranged between the second hollow tube 2 and the first hollow tube 1, and two sides of the connecting port 203 are provided with a limiting groove 2031 matched with the limiting block 10.

Furthermore, the conical tube 4, the positioning tube 5 and the second hollow tube 2 are all made of transparent materials; the conical pipe 4, the positioning pipe 5 and the second hollow pipe 2 are divided into two parts by the middle position; an artificial lens is clamped in the positioning tube 5.

The working principle is as follows: the utility model relates to an ophthalmic intraocular lens propeller, during the use, at first realize first hollow tube 1 under the effect that magnetism piece 8 is provided with in magnetism ring 9 and annular spread groove 7, second hollow tube 2, be connected between registration arm 5 and the conical duct 4, place the intraocular lens between registration arm 5 and play the positioning action, then place push rod 3 in fine adjustment screwed pipe 6, make stopper 10 be connected with spacing groove 2031, screw block 11 and fine adjustment screwed pipe 6 threaded connection this moment, then rotate fine adjustment screwed pipe 6 and drive screw block 11 motion, screw block 11 drives push rod 3 motion, make push rod 3 drive the motion of silica gel push head 12, silica gel push head 12 passes opening one 201 and opening two 202 and pushes the intraocular lens in the registration arm to conical duct 4 in order to use for the operation; when the operation is finished, the push rod 3 is separated from the thruster by rotating the fine adjustment threaded pipe 6 under the action of the threaded block 11, and then the magnetic ring 8 is separated from the annular connecting groove 7, so that the dismounting function of the thruster is realized, and the thruster is convenient to clean for the next use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intraocular lens mover for ophthalmic use, characterized by: the device comprises a first hollow pipe (1), a second hollow pipe (2), a push rod (3), a conical pipe (4), a positioning pipe (5) and a fine adjustment threaded pipe (6), wherein annular connecting grooves (7) are formed in one side end face of the first hollow pipe (1) and two side end faces of the positioning pipe (5), magnetic blocks (8) are arranged on the inner wall of each annular connecting groove (7), and magnetic rings (9) matched with the annular connecting grooves (7) are fixed on the two end faces of the second hollow pipe (2) and one side end face of the conical pipe (4); a fine adjustment threaded pipe (6) is rotatably connected in the first hollow pipe (1), a threaded block (11) is connected in the fine adjustment threaded pipe (6) in a threaded manner, a push rod (3) is fixed on the threaded block (11), a silica gel push head (12) is sleeved at the top end of the push rod (3), and limiting blocks (10) are fixed on two sides of the silica gel push head (12); an opening I (201) is arranged in the second hollow pipe (2), and an opening II (202) is arranged at the position of the opening I (201).

2. An ophthalmic intraocular lens mover according to claim 1, wherein: a connecting port (203) is arranged between the second hollow pipe (2) and the first hollow pipe (1), and limiting grooves (2031) matched with the limiting blocks (10) are formed in the two sides of the connecting port (203).

3. An ophthalmic intraocular lens mover according to claim 1, wherein: the conical tube (4), the positioning tube (5) and the second hollow tube (2) are all made of transparent materials; the conical pipe (4), the positioning pipe (5) and the second hollow pipe (2) are divided into two parts by the middle position; an artificial lens is clamped in the positioning tube (5).