CN209518889U - A kind of puncture merging integrated dual-head iris hooks - Google Patents

A kind of puncture merging integrated dual-head iris hooks Download PDF

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Publication number
CN209518889U
CN209518889U CN201821948162.8U CN201821948162U CN209518889U CN 209518889 U CN209518889 U CN 209518889U CN 201821948162 U CN201821948162 U CN 201821948162U CN 209518889 U CN209518889 U CN 209518889U
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push
hooks
iris
iris hooks
head
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CN201821948162.8U
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张少华
卢奕
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Eye and ENT Hospital of Fudan University
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Eye and ENT Hospital of Fudan University
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Abstract

The utility model belongs to medical equipment field, is related to a kind of puncture merging integrated dual-head iris hooks;It is mainly made of piercing needle, double end iris hooks, casing, push-pull rod and silica gel fixing sleeve;The double end iris hooks are placed in the piercing needle, the piercing needle is fixedly connected with described sleeve pipe, push-pull rod is fixed with the iris hooks in described sleeve pipe, mutually links, the fixed tail portion for being placed on push-pull rod of silica gel, used the result shows that, notch punctures in the utility model operation and drag hook merging is completed at the same time, and merging stability is preferable, and surgical procedure is easy;The iris drawing good pupil dilation degree of effect can meet phacoemulsification needs, solve the problems, such as that cataract with small pupil difficulty is high, risk is big, complications are more, and reduce operating procedure, avoid operating repeatedly, improve the stability of surgical procedure.

Description

A kind of puncture merging integrated dual-head iris hooks
Technical field
The utility model belongs to medical equipment field, is related to the iris hooks of operated eye, and in particular to a kind of Puncture merging integrated dual-head iris hooks.
Background technique
It is known that cataract is that the highest eye disease of blind rate, operative treatment have been presently the most in elderly population The method of effect.To expose surgical procedure interface sufficiently, it need to guarantee that pupil is sufficiently large in operation, it is preoperative suitable firstly the need of selection Drug mydriasis, in art can by anterior chamber inject high molecular weight adhered elastomer, be expanded by the mechanical compression to pupil Open pupil.But in highly difficult and complicated cataract operation, situations such as often will appear microcoria and synechia, on The method of stating can not effectively expand pupil, and surgical procedure difficulty is big in the case where microcoria, risk is high, if dealt with improperly, pole It is also easy to produce multiple complications and adverse consequences.
Pupil size can effectively be adjusted by mechanical stretch in art, currently used method is first to do on cornea periphery Puncture orifice, then it is placed in a kind of adjustable nylon drag hook, adjustable silica gel fixing sleeve is had on hook.And it is sent out in practical observation Existing, the operating clearance of puncture incision and merging iris hooks, puncture orifice often can be by small blood clot or intraocular outer pressure difference again Obstruction, needs puncture incision again, repeatedly operating procedure, or iris hooks is forced to enter notch under strong resistance, easily causes Ophthalmic injuries;In addition, nylon material iris hooks suppleness is high, tail portion, stability are clamped by microinstrument during merging It is poor.
In addition, existing iris hooks head is mostly single drag hook, double drag hooks not easily pass through puncture orifice and enter intraocularly.And it singly draws Hook and iris contact surface at pupil margin are relatively narrow, generally require multiple drag hooks ability effectively multi-faceted expansion pupil, then need to puncture Multiple notch;The list drag hook stability is poor, is easy to slip in operation, needs to operate fixed drag hook after slippage repeatedly, aggravates Tissue damage and Postoperative inflammatory reaction.
Therefore, currently there is an urgent need to a kind of punctures to be placed in integrated dual-head iris hooks, and the double end iris hooks are white interior For iris drawing expansion pupil, when particularly for complicated cataract operation, drawing rainbow that can be more efficient, safe when barrier operation Film expands pupil, reduces operating procedure, avoids operating repeatedly, improve the stability of surgical procedure.
Summary of the invention
The purpose of the utility model is to overcome the defect of the prior art or deficiencies, and it is double to provide a kind of puncture merging integral type Head iris hooks, when which is used for complicated cataract operation, drawing iris that can be more efficient, safe expands pupil Hole reduces operating procedure, avoids operating repeatedly, improve the stability of surgical procedure.
The puncture of the utility model is placed in integrated dual-head iris hooks, which is characterized in that mainly by piercing needle 1, double Head iris hooks 2, casing 3, push-pull rod 4 and silica gel fixing sleeve 5 form;The double end iris hooks 2 are placed in the piercing needle 1 Interior, which is fixedly connected with described sleeve pipe 3, and the push-pull rod 4 is solid with the iris hooks 2 in described sleeve pipe 3 Fixed, mutually linkage, the silica gel fixing sleeve 5 is fixed on the tail portion of the push-pull rod 4;
In the utility model, the internal diameter of the piercing needle 1 is not less than the two of the body portion diameter of the double end iris hooks 2 Times;
In the utility model, the double end iris hooks 2 are built in the piercing needle 1, and head is in dual U-shaped;Institute The head and body portion for stating double end iris hooks 2 are prepared using nylon material;The tail portion of the double end iris hooks 2 uses hard PP material Material preparation, is inserted in fixation from afterwards convenient for the silica gel fixing sleeve 5;
In the utility model, the front of described sleeve pipe 3 is connected and fixed with the piercing needle 1;The upper outer wall of the casing 3 Equipped with casing slip-resistant texture 31;
In the utility model, the front of the push-pull rod 4 is equipped with hard push-in plug 41, the push-in plug 41 and the double end rainbow The tail portion of film drag hook 2 is fixedly connected;The push-in is filled in 41 front coupling parts and is placed in the piercing needle 1;
The push-pull rod 4 is connected with push-in plug 41 by antiskid glue sleeve 42;The outer diameter of the push-pull rod 4 is less than described The internal diameter of casing 3, the antiskid glue sleeve 42 are tightly attached to the inner wall of described sleeve pipe 3, and the diameter of the push-in plug 41 is less than described wear The internal diameter of pricker head 1;
In the utility model, the fixed tail portion with the push-pull rod 4 of the silica gel fixing sleeve 5;The silica gel fixing sleeve 5 is used for After extracting the piercing needle 1 and described sleeve pipe 3, the fixed double end iris hooks 2, and control the length of disengaging.
In the embodiments of the present invention,
The length of the piercing needle 1 is 10mm;
The length of the double end iris hooks 2 is 8mm;
The length of described sleeve pipe 3 is 12mm.
The utility model iris hooks are built in puncture needle, it can be achieved that keratonyxis and iris merging be completed at the same time, Operating procedure is reduced, and solves the notch obstructing problem being placed in again after puncturing.To be placed in by push-pull rod linkage iris hooks Operate more stable, the length of precise controlling iris hooks disengaging.The design of double end iris hooks can increase traction iris area, It improves surgical field of view and expands effect, and reduce keratonyxis mouth and iris hooks usage quantity.
Compared with prior art, the utility model beneficial effect and marked improvement are:
1) the piercing needle notch is completed at the same time with double end iris hooks merging, is prevented notch from blocking again, is avoided Repetitive operation;
2) it is equipped with soft double end iris hooks outside the piercing needle, is fixedly connected with described sleeve pipe, stable operation Property it is high;
3) the double end iris hooks are placed in piercing needle, are solved double end iris hooks and are not easily accessible asking for puncture orifice Topic;
4) double end iris hooks, drawing iris area is big, improves drawing stability, and expansion pupil effect is good, reduces drag hook Usage quantity.
5) double end iris hooks tail portion is prepared using hard material, is easier to be inserted in the case where silica gel sheath falls off.
In order to make it easy to understand, below integral type will be placed in the puncture of the utility model by specific drawings and examples Double end iris hooks are described in detail.It is important to note that specific example and attached drawing are merely to explanation, it is clear that this The those of ordinary skill in field can make the utility model in the scope of the utility model various each according to illustrating herein The modifications and variations of sample, these modifications and variations are also included in the scope of the utility model.
Detailed description of the invention
Fig. 1 is that the puncture of the utility model is placed in integrated dual-head iris hooks exterior sideview schematic diagram;
Fig. 2 is to puncture schematic diagram in the embodiments of the present invention;
Fig. 3 is that iris hooks are placed in schematic diagram after notch described in the embodiments of the present invention punctures;
Fig. 4 is after the iris is fixed, to extract puncture needle and casing in the embodiments of the present invention, put on silica gel solid Surely schematic diagram is covered;
Fig. 5 is that iris hooks described in the embodiments of the present invention take out schematic diagram;
In Fig. 1~5,1 it is piercing needle, 2 is double end iris hooks, 21 is drag hook head, 22 is drag hook hard tail portion, 3 It is casing slip-resistant texture for casing, 31,4 be push-pull rod, 41 be push-in plug, 42 be antiskid glue sleeve, 5 is silica gel fixing sleeve.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical solution of the utility model is done further in detail Explanation.
Embodiment 1
As shown in Fig. 1~5, this puncture is placed in integrated dual-head iris hooks, is mainly drawn by piercing needle 1, double end iris Hook 2, casing 3, push-pull rod 4 and silica gel fixing sleeve 5 form;The double end iris hooks 2 are placed in the piercing needle 1, this is worn Pricker head 1 is fixedly connected with described sleeve pipe 3, and the push-pull rod 4 is fixed with the iris hooks 2 in described sleeve pipe 3, mutually interconnects Dynamic, the silica gel fixing sleeve 5 is fixed on the tail portion of the push-pull rod 4;
The internal diameter of the piercing needle 1 is not less than twice of the body portion diameter of the double end iris hooks 2;The piercing needle 1 length is 10mm;
The double end iris hooks 2 are built in the piercing needle 1, and head is in dual U-shaped;The double end iris hooks 2 head and body portion are prepared using nylon material;The tail portion of the double end iris hooks 2 is prepared using hard PP material, is convenient for institute It states silica gel fixing sleeve 5 and is inserted in fixation from afterwards;The length of the double end iris hooks 2 is 8mm;
The front of described sleeve pipe 3 is connected and fixed with the piercing needle 1;It is anti-skidding that the upper outer wall of the casing 3 is equipped with casing Texture 31;The length of described sleeve pipe 3 is 12mm;
The front of the push-pull rod 4 is equipped with hard push-in plug 41, the tail portion of the push-in plug 41 and the double end iris hooks 2 It is fixedly connected;The push-in is filled in 41 front coupling parts and is placed in the piercing needle 1;
It is connected between the push-pull rod 4 and push-in plug 41 by antiskid glue sleeve 42;The outer diameter of the push-pull rod 4 is less than The internal diameter of described sleeve pipe 3, the antiskid glue sleeve 42 are tightly attached to the inner wall of described sleeve pipe 3, and the diameter of the push-in plug 41 is less than institute State the internal diameter of piercing needle 1;
The fixed tail portion with the push-pull rod 4 of the silica gel fixing sleeve 5;The silica gel fixing sleeve 5 is for extracting the puncture After syringe needle 1 and described sleeve pipe 3, the double end iris hooks 2 are fixed, and control the length of disengaging.
Embodiment 2
As shown in Fig. 1~5, this puncture is placed in integrated dual-head iris hooks, is mainly drawn by piercing needle 1, double end iris Hook 2, casing 3, push-pull rod 4 and silica gel fixing sleeve 5 form;The double end iris hooks 2 are built in the piercing needle 1, should Piercing needle 1 is fixedly connected with described sleeve pipe 3, and the push-pull rod 4 is fixed, mutual with the iris hooks 2 in described sleeve pipe 3 Linkage, the silica gel fixing sleeve 5 are fixed on the tail portion of the push-pull rod 4;
When implementing microcoria phacoemulsification, through Oxybuprocaine surface anesthesia, made in 11 points 2.6mm corneal incision injects adhered elastomer to anterior chamber from notch and maintains anterior chamber depth;
It holds at casing antiskid thread 31, in 12 point row puncture of anterior chamber of eyes, makes puncture incision;
After notch punctures, it is pushed forward push-pull rod 4, interlocks push-in plug 41 before push-pull rod, iris hooks head is double during merging Head drag hook 21 is unfolded naturally, and drag hook head 21 is fixed at iris edge;
After iris hooks merging, adjustment orientation makes the traction of drag hook head 21 at pupil margin, pulls casing 3 outward, draws Hook hard tail portion 22 can be detached from push-in plug 41, pull out piercing needle 1, casing 3 and push-pull rod 4;Remove push-pull rod tail portion Fixed silica gel fixing sleeve 5 is worn by push-pull rod hard tail portion 22 and is also easier to iris hooks body portion if being detached from accidentally in art It is inserted in again;
Respectively at 4 points of eyes and 8 points, equally as above operation punctures implantation the utility model, is moved forward and backward silica gel fixing sleeve Control drawing length can expand pupil, continue phacoemulsification operation;
The main notch of 2.6mm transparency cornea is made in 11 points, injects adhered elastomer into anterior chamber from notch, passes through main notch benefit 5.5mm continuous curvilinear capsulotomy is carried out with Tweezers for eye surgery, carries out the ultrasonic emulsification of lens nucleus after abundant water separation with super newborn handle head, Replacement note inhales handle absorption residual cortex afterwards, re-injects adhered elastomer in pouch, implantable artificial crystalline lens is absorbed and remains glutinous bullet Agent.
After ultrasonic emulsification and intraocular lens' implantation, double end iris hooks 2 are taken out, touch silica gel fixing sleeve backward with tweezers 5, so that drag hook head 21 is loosened disengaging iris, iris hooks tail portion 22 is pulled, on double-ended retractor head 21 close near puncture orifice When, pass through puncture orifice because elastic properties of materials double-ended retractor 21 can be drawn close automatically;Watertight notch, art finish.
Above-described embodiment the result shows that, in the utility model operating process, notch puncture and drag hook merging is completed at the same time, Do not occur the big problem of puncture orifice obstruction drag hook merging resistance, stability is preferable during merging, and surgical procedure is easy;Iris is led It draws the good pupil dilation degree of effect to can satisfy phacoemulsification needs, solves cataract with small pupil difficulty It is high, risk is big, the problem more than complications, and reduces operating procedure, avoid operating repeatedly, improve the stability of surgical procedure.

Claims (9)

1. a kind of puncture is placed in integrated dual-head iris hooks, which is characterized in that mainly drawn by piercing needle (1), double end iris Hook (2), casing (3), push-pull rod (4) and silica gel fixing sleeve (5) composition;The double end iris hooks (2) are placed in the puncture needle In head (1), which is fixedly connected with described sleeve pipe (3), the push-pull rod (4) described sleeve pipe (3) it is interior with it is described Iris hooks (2) are fixed, mutually linkage, the silica gel fixing sleeve (5) is fixed on the tail portion of the push-pull rod (4).
2. puncture according to claim 1 is placed in integrated dual-head iris hooks, which is characterized in that the piercing needle (1) Internal diameter be more than or equal to twice of body portion diameter of the double end iris hooks (2).
3. puncture according to claim 1 is placed in integrated dual-head iris hooks, which is characterized in that the piercing needle (1) Length be 10mm.
4. puncture according to claim 1 is placed in integrated dual-head iris hooks, which is characterized in that the double end iris hooks (2) head is in dual U-shaped.
5. puncture according to claim 1 is placed in integrated dual-head iris hooks, which is characterized in that the double end iris hooks (2) length is 8mm.
6. puncture according to claim 1 is placed in integrated dual-head iris hooks, which is characterized in that described sleeve pipe (3) it is upper Square outer wall is equipped with casing slip-resistant texture (31).
7. puncture according to claim 1 is placed in integrated dual-head iris hooks, which is characterized in that the length of described sleeve pipe (3) Degree is 12mm.
8. puncture according to claim 1 is placed in integrated dual-head iris hooks, which is characterized in that the push-pull rod (4) Front is equipped with hard push-in plug (41), which is fixedly connected with the tail portion of the double end iris hooks (2);It is described to push away Enter plug (41) front coupling part to be placed in the piercing needle (1).
9. puncture according to claim 8 is placed in integrated dual-head iris hooks, which is characterized in that the push-pull rod (4) with The push-in plug (41) is connected by antiskid glue sleeve (42);The outer diameter of the push-pull rod (4) is less than the internal diameter of described sleeve pipe (3), The antiskid glue sleeve (42) is tightly attached to the inner wall of described sleeve pipe (3), and the diameter of the push-in plug (41) is less than the piercing needle (1) internal diameter.
CN201821948162.8U 2018-11-23 2018-11-23 A kind of puncture merging integrated dual-head iris hooks Active CN209518889U (en)

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CN201821948162.8U CN209518889U (en) 2018-11-23 2018-11-23 A kind of puncture merging integrated dual-head iris hooks

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114699219A (en) * 2021-10-31 2022-07-05 李海军 Three loop posterior chamber type suture fixing suspension artificial lens and traction hook series

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114699219A (en) * 2021-10-31 2022-07-05 李海军 Three loop posterior chamber type suture fixing suspension artificial lens and traction hook series

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