CN115517850A

CN115517850A - Pre-assembled iris expander

Info

Publication number: CN115517850A
Application number: CN202211191668.XA
Authority: CN
Inventors: 徐学术
Original assignee: Mohua Medical Technology Hunan Co ltd
Current assignee: Mohua Medical Technology Hunan Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-12-27

Abstract

The invention provides a preassembled iris expander which comprises an introducer, a loading box and an iris expander, wherein one end of the introducer is provided with an opening, an introducing pipe is arranged at the opening, the loading box is provided with a hollow part, the introducing pipe is arranged in the hollow part, the iris expander is arranged in the hollow part, the introducer is provided with a sliding port, a sliding strip is arranged in the sliding port and is in sliding connection with the introducer, one end, close to the opening, of the sliding strip is provided with an introducing clamp, and the introducing clamp is arranged in the introducing pipe. By arranging the leading-in device, the loading box, the sliding strip, the leading-in pipe, the leading-in clamp and the iris expander, when the sliding strip is moved, the leading-in clamp can extend out or retract into the leading-in pipe, the iris expander in the loading box is clamped by the leading-in clamp, when the iris expander retracts into the leading-in pipe along with the leading-in clamp, the iris expander can be taken out of the loading box, when the iris expander extends out of the leading-in pipe along with the leading-in clamp, the iris expander can be implanted into eyes, namely, the sliding strip is moved, the iris expander can be taken out and implanted, auxiliary appliances are not needed, and the operation efficiency is high.

Description

Pre-assembled iris expander

Technical Field

The invention relates to the field of medical ophthalmologic operation auxiliary instruments, in particular to a preassembled iris expander.

Background

In ophthalmic surgery such as cataract, glaucoma, retina, etc., it is necessary to enlarge the pupil in order to sufficiently observe the internal condition of the eye, but the pupil may contract autonomously due to its own physiological stress during the surgery. The iris expander can be used for temporarily supporting the iris and expanding the pupil so as to facilitate the smooth operation.

However, when the existing iris expander is used, the iris expander needs to be taken out from the sterile package, and the iris expander is implanted into eyes by using surgical micro-forceps or other auxiliary instruments, so that the iris expander is inconvenient to take out and implant, the operation efficiency is low, and the smooth operation is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the pre-assembled iris expander which can be taken out and implanted into eyes without an auxiliary instrument, so that the operation efficiency is improved.

The technical scheme of the invention is realized as follows:

a preassembled iris expander comprises an introducer, a loading box and an iris expander, wherein an opening is formed in one end of the introducer, an introducing pipe is arranged at the opening, the loading box is provided with a hollow portion, the introducing pipe is arranged in the hollow portion, the iris expander is arranged in the hollow portion, a sliding port is formed in the introducer, a sliding strip is arranged in the sliding port and is in sliding connection with the introducer, an introducing clamp is arranged at one end, close to the opening, of the sliding strip, and the introducing clamp is arranged in the introducing pipe.

Furthermore, the sliding strip is convexly provided with a convex block towards the outer side of the sliding opening.

Furthermore, a sliding rail matched with the sliding strip is arranged in the importer, and the sliding strip is connected with the importer in a sliding way through the sliding rail.

Furthermore, the loading box comprises a box body and an upper cover, the hollow part is arranged in the box body, and the upper cover covers the upper part of the hollow part.

Furthermore, the upper cover is made of transparent materials.

Furthermore, a leading-in pipe groove and a storage groove are arranged in the hollow part, the leading-in pipe is arranged in the leading-in pipe groove, and the iris expander is arranged in the storage groove.

Furthermore, a tip is arranged at one end of the introducing pipe, which is far away from the opening.

Furthermore, a limiting pipe is arranged in the leading-in pipe and sleeved outside the leading-in clamp.

Furthermore, one end of the guiding-in clamp, which is far away from the sliding strip, is provided with a latch.

Further, the iris dilator is made of an elastic polymer material.

Compared with the prior art, the invention has the beneficial effects that: by arranging the leading-in device, the loading box, the sliding strip, the leading-in pipe, the leading-in clamp and the iris expander, the iris expander is placed in the loading box, the sliding strip is arranged on the leading-in device, when the sliding strip is moved, the leading-in clamp can extend out or retract into the leading-in pipe, the leading-in clamp clamps the iris expander in the loading box, when the iris expander retracts into the leading-in pipe along with the leading-in clamp, the iris expander can be taken out of the loading box, when the iris expander extends out of the leading-in pipe along with the leading-in clamp, the iris expander can be implanted into eyes, namely, the sliding strip can be moved, the iris expander can be taken out and implanted, the operation of micro-forceps or other auxiliary appliances is not needed, and the operation efficiency is high.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an enlarged schematic view of the cassette of the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 3;

FIG. 6 is an enlarged schematic view of the inventive introducer clip.

The attached drawings are as follows:

1-an introducer; 11-opening; 12-a sliding port; 13-a slide rail;

2-loading the cartridge; 21-a box body; 211-an introduction pipe groove; 212-a storage tank; 213-hollow; 22-an upper cover;

3-a slide bar; 31-a bump;

4-an introduction tube; 401-a tip; 402-a limit tube;

5-leading in the clamp;

6-iris expander.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, the preassembled iris expander comprises an introducer 1, a loading box 2 and an iris expander 6, wherein an opening 11 is formed at one end of the introducer 1, an introducing pipe 4 is arranged at the opening 11, the loading box 2 is provided with a hollow part 213, the introducing pipe 4 is arranged in the hollow part 213, the iris expander 6 is arranged in the hollow part 213, a sliding opening 12 is formed in the introducer 1, a sliding strip 3 is arranged in the sliding opening 12, the sliding strip 3 is in sliding connection with the introducer 1, an introducing clamp 5 is arranged at one end, close to the opening 11, of the sliding strip 3, the introducing clamp 5 is arranged in the introducing pipe 4, and the introducing clamp 5 slides along with the sliding strip 3 to enable the introducing clamp 5 to extend out or retract from one end, far away from the opening 11, of the introducing pipe 4.

During surgery, the operator holds the introducer 1, moves the slide bar 3 in the direction of the opening 11, when the slide bar 3 is closest to the opening 11, the introduction clip 5 extends out of the introduction tube 4, the introduction clip 5 clips the iris expander 6 placed in the hollow portion 213, moves the slide bar 3 back, introduces the iris expander 6 into the introduction tube 4 from the hollow portion 213 of the loading box 2 until the iris expander 6 is completely retracted into the introduction tube 4, and moves the introduction tube 4 out of the hollow portion 213 of the loading box 2, thereby completing the extraction of the iris expander. The introducing tube 4 is sent into the main incision of the limbus, the sliding strip 3 is moved towards the opening 11, the introducing clamp 5 extends out of the introducing tube 4, and the iris expander 6 is pushed out of the introducing tube 4 and implanted into the anterior chamber; then, the sliding strip 3 is moved back, the introducing clamp 5 is retracted into the introducing pipe 4, the introducer 1 is taken out from the main incision of the corneal limbus, the implantation of the iris expander is completed, the iris expander can be taken out and implanted into the eye without surgical micro-forceps or other auxiliary instruments, and the operation efficiency is high.

After the operation is completed, the introducing tube 4 is fed into the main incision of the limbus, the sliding bar 3 is moved in the direction of the opening 11, the introducing clamp 5 extends out of the introducing tube 4, the introducing clamp 5 clamps the iris expander 6 placed in the anterior chamber, the sliding bar 3 is moved back, the iris expander 6 is introduced into the introducing tube 4 until the iris expander 6 is completely retracted into the introducing tube 4, the introducing tube 4 is moved out of the main incision of the limbus, and the iris expander 6 is removed.

Specifically, the sliding bar 3 is provided with a convex block 31 protruding towards the outer side of the sliding opening 12, and the convex block 31 can facilitate the operator to move the sliding bar 3.

Specifically, a slide rail 13 matched with the slide bar 3 is arranged in the introducer 1, and the slide bar 3 is connected with the introducer 1 in a sliding manner through the slide rail 13. The sliding strip 3 is matched with the sliding rail 13, so that the sliding strip 3 can move more smoothly.

Specifically, the loading cassette 2 includes a cassette body 21 and an upper cover 22, the hollow portion 213 is provided in the cassette body 21, the upper cover 22 is covered above the hollow portion 213, and the conditions of the iris expander 6 and the introduction tube 4 can be observed by opening the upper cover 22. Preferably, the cover 22 is made of a transparent material, so that the condition of the iris dilator 6 and the introducing tube 4 can be observed without peeling off the cover 22.

Referring to fig. 4, an introduction tube slot 211 and a storage slot 212 are provided in the hollow portion 213, the introduction tube 4 is placed in the introduction tube slot 211, and the iris expander 6 is placed in the storage slot 212. The introduction tube groove 211 and the storage groove 212 are provided so that the introduction tube 4 and the iris expander 6 are stably placed in the hollow portion 213.

Referring to fig. 5, the end of the introducer tube 4 remote from the opening 11 is provided with a tip 401, the tip 401 being about 1mm, the tip 401 enabling the introducer tube 4 to be pushed more easily into the limbal main incision. Be equipped with spacing pipe 402 in the induction pipe 4, spacing pipe 402 overlaps outside leading-in clamp 5, and it is impaired to avoid leading-in clamp 5 to contact with induction pipe 4 when leading-in clamp 5 removes along with slide bar 3.

Referring to fig. 6, a latch is arranged at one end of the guiding-in clamp 5 far away from the sliding strip 3, the iris expander 6 is latched into the guiding-in clamp 5 by the latch, and when the guiding-in clamp 5 moves, the iris expander 6 moves along with the guiding-in clamp 5, so that the iris expander 6 is prevented from falling off when retracting or extending out of the guiding-in tube 4.

In particular, iris dilator 6 is made of a resilient polymeric material. Preferably, the elastic polymer material is polyurethane.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A prepackage type iris expander which characterized in that: including introducer (1), loading box (2) and iris expander (6), introducer (1) one end is equipped with opening (11), opening (11) department is equipped with leading-in pipe (4), loading box (2) have well kenozooecium (213), leading-in pipe (4) are placed in well kenozooecium (213), place in well kenozooecium (213) iris expander (6), be equipped with slip mouth (12) on introducer (1), be equipped with slide bar (3) in slip mouth (12), slide bar (3) with introducer (1) sliding connection, slide bar (3) are close to opening (11) one end is equipped with leading-in clamp (5), leading-in clamp (5) are placed in leading-in pipe (4).

2. The preloaded iris expander of claim 1, wherein: the sliding strip (3) is convexly provided with a convex block (31) towards the outer side of the sliding opening (12).

3. The preloaded iris dilator of claim 1 or 2, wherein: the leading-in device (1) is internally provided with a sliding rail (13) matched with the sliding bar (3), and the sliding bar (3) is in sliding connection with the leading-in device (1) through the sliding rail (13).

4. The preloaded iris expander of claim 1, wherein: the loading box (2) comprises a box body (21) and an upper cover (22), the hollow part (213) is arranged in the box body (21), and the upper cover (22) covers the upper part of the hollow part (213).

5. The preloaded iris expander of claim 4, wherein: the upper cover (22) is made of transparent materials.

6. The preloaded iris expander of claim 1, wherein: an introduction pipe groove (211) and a storage groove (212) are arranged in the hollow part (213), the introduction pipe (4) is arranged in the introduction pipe groove (211), and the iris expander (6) is arranged in the storage groove (212).

7. The preloaded iris expander of claim 1, wherein: and a pointed end (401) is arranged at one end of the introducing pipe (4) far away from the opening (11).

8. The preloaded iris expander of claim 1, wherein: a limiting pipe (402) is arranged in the leading-in pipe (4), and the limiting pipe (402) is sleeved outside the leading-in clamp (5).

9. The preloaded iris expander of claim 1, wherein: one end of the guide-in clamp (5) far away from the sliding strip (3) is provided with a latch.

10. The preloaded iris expander of claim 1, wherein: the iris dilator (6) is made of an elastic polymer material.