CN209450767U - A kind of intraocular limitans stripper with crawl function - Google Patents

Abstract

A kind of this intraocular limitans stripper with crawl function, is made of outer tube, operating stick and at least two silks that strip mutually wound；Outer tube is tubular structure, it strips a both ends and closes up the front end for being fixed on operating stick, and form a ring stripper head in front of operating stick, operating stick is hollow shape structure, and its front activity assigns into the outer tube, its rear end is connect with external negative pressure adsorption equipment；When internal limiting membrane stripper needs work, operating stick Forward drives stripper head exposed, internal limiting membrane stripper after hours, operating stick, which moves back, drives stripper head retraction hidden in outer tube.Frictional force when it is used between intraocular limitans increases compared with monofilament thread, elastic more preferable, big surface friction coefficient causes to strip efficiency raising, enhances reliability, it avoids original single silk that strips and is once surprisingly broken the danger that can injure patient, and be easy storage and pass in and out outer tube.

Description

A kind of intraocular limitans stripper with crawl function

Technical field

The utility model relates to ophthalmology etc instrument fields, and in particular to a kind of to strip with the intraocular limitans for grabbing function Device.

Background technique

Eye conjunctiva refers to the layer of transparent film for being covered on eyelid inner face and eyeball front white of the eye surface, is one layer rich The thin and transparent mucous membrane of blood vessel, is covered in front of the inner face and eyeball of eyelid.It is divided into papebral conjunctiva, chou by position where it Film and conjunctival cul-de-sac.

Eye conjunctiva facilitates the damage for preventing foreign matter and infection to eyeball, but conjunctiva itself also will receive chemical substance or mistake The stimulation of quick substance, or by virus, the infection of bacterium, there is ophthalmodynia, eye is itched and congested.When eye conjunctiva is stimulated, table It is now conjunctival congestion, is frequently accompanied by secretion.In bacterial conjunctivitis, secretion can be very thick, white or butyrous.In disease Toxicity or allergic conjunctivitis, secretion is then usually from clear water sample.Eyelid can swelling, itch, allergic conjunctivitis eye is itched more very.

Because conjunctivitis generally is easier to diagnose often with flu or allergic reaction.But conjunctivitis and iris sometimes Scorching or acute glaucoma performance is somewhat like, and iritis is a kind of even more serious eye disease, and acute glaucoma is then a kind of The acute situations that can lead to blindness need doctor to carry out antidiastole.In iritis and acute glaucoma, congested position is main Around cornea.Although conjunctivitis can have burn feeling, general pain is lighter；And iritis and acute glaucoma then have it is bright Aobvious pain.Conjunctivitis nearly all will not influence eyesight, temporarily cover on cornea unless there are secretion.

The treatment of conjunctivitis is different because of cause of disease difference.Eyelid can gently be cleaned with clear water and clean towel, remove secretion. For example bacterial conjunctivitis, can drip with antibiotic ophthalmic liquid medicine or ointment.Doctor wipes next point secretion with cotton swab sometimes and send reality Room inspection is tested, adjusts medication further according to inspection result.Since infective conjunctivitis infectiousness is very strong, patient is before washing eye or drop medicine After should all wash one's hands.Furthermore patient, which also not touch, suffers from eye and goes to touch another eye again, answers for cleaning the towel for suffering from eye and bath towel It is separated with other towels.

It is if the cause of disease is lid abnormity or obstruction of lacrimal passage, then to need operative treatment more, it is just needed when carrying out operative treatment pair The eye conjunctiva of parts of lesions is stripped, and the existing intraocular limitans stripper with crawl function is generally the single of arch A structure is stripped, friction is small between eye conjunctiva when using, it is lower to strip efficiency, and firmness is inadequate, once stripping Except silk is surprisingly broken, or even patient can be injured.

Utility model content

In order to solve the above technical problems, we have proposed a kind of intraocular limitans stripper with crawl function, friction Power is big, and elasticity is good, and use is safe, strip it is high-efficient, and stripper head be easy storage.

In order to achieve the above objectives, the technical solution of the utility model is as follows:

A kind of intraocular limitans stripper with crawl function, is mutually wound by outer tube, operating stick and at least two Strip silk composition；The outer tube is tubular structure, and the front end for being fixed on the operating stick is closed up at the both ends that strip, and A ring stripper head is formed in front of operating stick, the operating stick is hollow shape structure, and its front activity assigns into outside described In casing, its rear end is connect with external negative pressure adsorption equipment；When the internal limiting membrane stripper needs work, the operating stick Forward Drive stripper head it is exposed, the internal limiting membrane stripper after hours, the operating stick move back drive stripper head retraction It is hidden in outer tube.

Preferably, the silk that strips on the stripper head is wound in twisted shape or helicoidal structure.

Preferably, the outer surface of the operating stick is fitted tightly on the inner surface of the outer tube.

Preferably, the operating stick tail portion is additionally provided with handle.

Through the above technical solutions, the intraocular limitans stripper with crawl function of the utility model, by that will strip Silk is designed at least two structures mutually wound, and its both ends is closed up to the front end for being fixed on operating stick, and the outer tube is set It is calculated as tubular structure, the operating stick is hollow shape structure, and its front activity assigns into the outer tube, its rear end and outer Portion's negative pressure adsorption equipment connection, so that the pathological tissues stripped are drawn to outside in time；Work is needed in the internal limiting membrane stripper When making, operating stick Forward drives stripper head exposed, the internal limiting membrane stripper after hours, after the operating stick It is hidden in outer tube that shipper pole moves stripper head retraction.Frictional force when it is used between eye conjunctiva increases, excellent elasticity, stripping It except efficiency improves, draws in time, and enhances firmness, avoid and original single strip silk once unexpected fracture can injure trouble The danger of person is compared with the existing intraocular limitans stripper with crawl function, and the design's has the intraocular of crawl function Limitans stripper frictional force is big, and elasticity is good, and use is safe, strip it is high-efficient, draw in time, and stripper head be easy storage.From And novel in design, structurally reasonable and good application effect is achieved the purpose that.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 uses shape for a kind of intraocular limitans stripper with crawl function disclosed in the utility model embodiment State figure；

Fig. 2 is the cross-sectional view of Fig. 1；

Fig. 3 is a kind of non-use of the intraocular limitans stripper with crawl function disclosed in the utility model embodiment State diagram；

Fig. 4 is the cross-sectional view of Fig. 3.

Number and corresponding component title represented by letter in figure:

1. 2. operating stick of outer tube, 3. stripper head, 4. handle

5. negative pressure adsorption equipment

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model is described in further detail below with reference to embodiment and specific embodiment.

Embodiment

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of intraocular limitans stripper with crawl function, by outer tube 1, behaviour Make bar 2 and two silks that strip mutually wound form；The outer tube 1 is tubular structure, and fixation is closed up at the both ends that strip In the front end of the operating stick 2, and a ring stripper head 3 is formed in front of operating stick 2,2 front activity of the operating stick peace It is inserted in the outer tube 1；The operating stick 2 is hollow shape structure, and its front activity assigns into the outer tube 1, Rear end is connect with external negative pressure adsorption equipment 5, so that the pathological tissues stripped are drawn to outside in time；It is shelled in the internal limiting membrane When needing work except device, the Forward of operating stick 2 drives stripper head 3 exposed, while being stripped to intraocular pathological tissues, The work of negative pressure adsorption equipment 5 is past external along the hollow suction of operating stick 2 by the pathological tissues stripped, in the internal limiting membrane stripper work After work, the operating stick 2, which moves back, drives 3 retraction of stripper head hidden into outer tube 1.

Wherein, two on the stripper head 3 strip silk and are wound in twisted shape structure, it also can wind into spiral shell certainly Shape or spring-like structures etc. are revolved, herein will without limitation, these equally belong to the protection scope of the utility model.

Meanwhile in order to improve stability when stripper head 3 uses, prevent it from shaking to two sides, outside the operating stick 2 Side surface is fitted tightly on the inner surface of the outer tube 1.

In addition, gripping when being moved forward and backward operating stick 2 for the ease of doctor, the tail portion of operating stick 2 is additionally provided with handle 4.

In this example, this have crawl function intraocular limitans stripper by will strip silk be designed at least two mutually The structure of winding, and its both ends is closed up to the front end for being fixed on operating stick 2, outer tube 1 are designed as tubular structure, before operating stick 2 Portion's activity assigns into outer tube 1；When stripper head 3 needs work, doctor pushes the handle 4 of 2 tail portion of operating stick, operating stick 2 Forward drives stripper head 3 to be exposed to the front of outer tube 1, stripper head 3 after hours, pull handle 4 after doctor, operation Bar 2, which moves back, drives 3 retraction of stripper head hidden into outer tube 1.Frictional force when it is used between intraocular limitans is more single Crin increases, and elasticity is more preferable, and big surface friction coefficient leads to strip efficiency raising, frictional force when operation between eye conjunctiva compared with Greatly, to pathological tissues strip and extraction efficiency greatly improves, and enhance firmness and reliability, avoid original single It strips the silk danger that once unexpected fracture can injure patient to compare with existing layer of retina,limiting,internal stripper, the view of the design Nethike embrane internal limiting membrane stripper stripper frictional force is big, and elasticity is good, simple processing, using safe, strips high-efficient, draws in time, And it is easy storage and disengaging outer tube, avoid damage and pollution.To reach novel in design, structurally reasonable and application effect Good purpose.

Above-described is only a kind of intraocular limitans stripper preferred implementation side with crawl function of the utility model Formula, it is noted that for those of ordinary skill in the art, without departing from the concept of the present invention, Various modifications and improvements can be made, and these are all within the protection scope of the present invention.

Claims (4)

1. a kind of intraocular limitans stripper with crawl function, which is characterized in that by outer tube, operating stick and at least two phases What is mutually wound strips silk composition；The outer tube is tubular structure, it is described strip a both ends and close up be fixed on the operating stick Front end, and a ring stripper head is formed in front of operating stick, the operating stick is hollow shape structure, and its front activity is assigned In the outer tube, its rear end is connect with external negative pressure adsorption equipment；When the internal limiting membrane stripper needs work, the behaviour Make bar Forward drive stripper head it is exposed, the internal limiting membrane stripper after hours, the operating stick moves back drive and strips Device head retraction is hidden in outer tube.

2. a kind of intraocular limitans stripper with crawl function according to claim 1, which is characterized in that described to strip The silk that strips on device head is wound in twisted shape or helicoidal structure.

3. a kind of intraocular limitans stripper with crawl function according to claim 2, which is characterized in that the operation The outer surface of bar is fitted tightly on the inner surface of the outer tube.

4. a kind of intraocular limitans stripper with crawl function according to claim 3, which is characterized in that the operation Bar tail portion is additionally provided with handle.