CN105125341A - Surgical device for ophthalmic surgery - Google Patents
Surgical device for ophthalmic surgery Download PDFInfo
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- CN105125341A CN105125341A CN201510567903.2A CN201510567903A CN105125341A CN 105125341 A CN105125341 A CN 105125341A CN 201510567903 A CN201510567903 A CN 201510567903A CN 105125341 A CN105125341 A CN 105125341A
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Abstract
The invention provides a surgical device for ophthalmic surgery. The surgical device comprises a jacking material, a light guiding fiber, a traction strip and an arc-shaped support. The jacking material and the traction strip are arranged on the inner side and the outer side of one end of the arc-shaped support respectively. A hollow channel is formed in the middle of the jacking material. A through hole is formed in the portion, corresponding to the hollow channel, of the arc-shaped support. A hollow region is formed on the traction strip. The joint of the traction strip and the arc-shaped support can freely rotate. One end of the light guiding fiber sequentially penetrates through the hollow region and the through hole to be embedded into the hollow channel. When the surgical device is used, the jacking material can be aligned with the macula lutea center region through the light guiding fiber, the jacking height can be adjusted through the traction strip, the suture position of the arc-shaped support is adjusted through relative rotation between the traction strip and the jacking end, the implantation position of the jacking material can be accurate and reliable, an implant is stable for a long time, surgical operation is simple, side effects are fewer, and the surgical device is suitable for treating high myopia degree progressive increase and posterior scleral staphyloma related complications.
Description
Technical field
The present invention relates generally to ophthalmic surgical device technical field, refers in particular to a kind of operation device for ophthalmologic operation and using method thereof.
Background technology
Posterior scleral staphyloma is one of feature performance of pathologic myopia (high myopia), posterior scleral staphyloma refers to eyeball rear portion sclera and the outside bulging of tunica uvea, main manifestations is local sclera thinning and bulge backward, and the overdistension of rear portion sclera and the sclera that retinal tissue can be caused to be not enough to extension of covering that expands, high myopia with posterior staphyloma patient often has a strong impact on the pathological manifestations of vision with the grow up rear intensification of myopia degree Progressive symmetric erythrokeratodermia, retinochoroid atrophy, macular hole, macular area retinoschisis, detachment of retina etc. clinically.China's high myopia prevalence is high, and suffer from posterior scleral staphyloma and to be correlated with crowd's enormous amount of sufferer, social danger is serious, it can thus be appreciated that the disease that treatment high myopia with posterior staphyloma is correlated with has important clinical meaning.
In prior art, vitrectomy, Macular hole art be treatment high myopia with posterior staphyloma can be for reference means, but all these operations all lack the strength expanded backward, expand of antagonism eyeball rear portion sclera, and be all expand retina further by external force and reach the object promoting its anatomical reduction, thus success rate of operation is lower, and surgical result is general, the especially axis oculi patient that is greater than 29 millimeters.In addition, also employing vitrectomy+laser retinal Light utilization+Intraocular padding is had to treat high myopia with posterior staphyloma in prior art, but this operation does not still apply strength to be expanded backward to resist macular area sclera, and laser photocoagulation macula lutea center will cause the permanent loss of central vision, thus its Visual outcome will be poor.
Nearest domestic and foreign literature display, scleral reinforcement operation can provide antagonism eyeball posterior scleral outspreading backwards strength, the bulging of eyeball rear portion sclera can be resisted, alleviate high myopia eyeball rear portion sclera to expand backward, for delaying, high myopia number of degrees Progressive symmetric erythrokeratodermia is deepened, the success rate of operation for the treatment of the disease such as retinoschisis, macular hole, detachment of retina that near-sighted posterior scleral staphyloma is correlated with is high, retina anatomical reduction desirable, and vision restoration comparatively vitrectomy is better.Existing scleral reinforcement operation great majority are that application top pressure material (allosome or autologous biomaterial or synthetic material) reinforces posterior pole of eyeball portion sclera, to stoping or alleviate the one operation of pathologic myopia.But this operation is not extensively carried out at present.The operating procedure that is mainly existing ophthalmologic operation of tracing it to its cause is complicated, and the top pressure material of implantation easily gets loose, and is difficult to exactly top pressure material be aimed at macular area sclera, and thus cause operation to implement comparatively difficulty, the effect of operation is difficult to guarantee.In a word, location of operation difficulty, complicated operation, problem limits the carrying out of such operation such as complication is many, implant is unstable and universal.
Summary of the invention
For overcoming the defect had in above-mentioned prior art, the invention provides a kind of operation device for ophthalmologic operation, this operation device safety, reliable, accurately can locate, can top pressure material be implanted outside Posterior pole sclera rapidly and accurately, and top can be made to press material to aim at macular area sclera, utilize this device that ophthalmologic surgical procedures can be made easy, position is accurate, and implant is steady in a long-term.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of operation device for ophthalmologic operation, it is characterized in that, this operation device comprises top pressure material (1), arc support (2), and one end of arc support is for sewing up end, the other end of arc support is top pressure side, and top pressure side is provided with top pressure material.
Described operation device, is characterized in that, described top pressure material (1) is biocompatible materials, and described biocompatible materials is made up of one or more in silica gel, silica-gel sponge, synthetic collagen, allosome tissue.
Described operation device, is characterized in that, described top pressure material (1) cross-sectional area is 12 square millimeters to 110 square millimeters, and shape of cross section is circular, heart-shaped, oval or polygon, is highly 2 millimeters to 8 millimeters.
Described operation device, is characterized in that, described arc support (2) is for biocompatible materials or comprise rack body (24) and be coated on the biocompatible materials layer (23) outside rack body.
Described operation device, it is characterized in that, rack body (24) in described arc support (2) by metal, bioceramic, alloy material, plastics one or more form, described biocompatible materials layer (23) is made up of one or more in silica gel, silica-gel sponge, synthetic collagen, allosome tissue.
Described operation device, is characterized in that, the length of described arc support (2) is 12 millimeters-28 millimeters.
Described operation device, it is characterized in that, described arc support (2) is sewed up end (22) and is provided with disassembled segmental structure or arranges in forked, and the forked of this stitching end is the one in Y-shaped, T-shaped, F font, 7 fonts, triangle or dry font.
Described operation device, is characterized in that, top pressure side is provided with traction band (3), and the two ends of described traction band (3) offer sewing hole (33) respectively, and traction band can rotate freely with press bond place, top.
Described arbitrary operation device, comprises optical fibers (4) further.
For an operation device for ophthalmologic operation, it is characterized in that: the radian that this operation device comprises top pressure material, corresponding individual patients eyeball profile is arranged meets the arc support of eyeball temporo side sclera radian.One end of this arc support is for holding for being sewn to the epibulbar stitching of individual patients, the other end of arc support is top pressure side, top pressure side can be provided with through hole, top pressure side is provided with top pressure material, also be provided with the traction band for increasing top pressure height, arc support sews up end can be provided with disassembled segmental end or furcated end; The corresponding through hole of described top pressure material offers hollow channel, and on traction band, corresponding through hole offers hollow area, and can hollow area be that axle rotates; Described arc support include hardness be greater than Bu Shi 150, hot strength >=500MPa rack body and be coated on the biocompatible materials layer of hot strength >=0.3MPa outside rack body, elongation at break >=200%, setafter break≤15%; Hot strength >=0.2MPa, elongation at break >=200%, setafter break≤15% of described top pressure material.This operation device can further include the optical fibers with auxiliary positioning effect, and this fiber-optic one end is successively through being embedded in after the traction hollow area of band and the through hole of arc support in the hollow channel of top pressure material.
Owing to offering hollow channel in the middle part of top pressure material in this operation device, this hollow channel is embedded with optical fibers, and operation device is also provided with traction band, when this operation device is placed under the fascial bursa of eyeball temporo side, optical fibers is connected with light source, and light source forms luminous point by optical fibers through posterior pole of eyeball portion, by the position of movable top pressure material, to make luminous point aim at macula lutea center, reach the object of accurate positioning; When needing in operation process to cut short stent ends, disassembled segmental structure can be avoided needing detaching device and the trouble of hand sand material; The top pressure applied by traction item band can be the effect that macular area sclera provides the antagonism outspreading backwards strength of macular area sclera and then reaches desired by ophthalmologic operation, thus utilize this operation device can complete ophthalmologic operation simply and easily, and surgical effect is reliable and stable.
The sewing hole that described traction band is offered facilitates patient's sew application, and do not need to change suture location when adjusting the pressure on top surface of traction band to top pressure material and spending, the pressure on top surface degree of traction band to top pressure material can be increased by shortening traction band, now can increase the top pressure height of top pressure material; Due to traction band can rotate relative to pushing up pressure side, by rotate adjust arc support implant quadrant/hour position, with avoid local sclera too thin and be difficult to sew up problem, hollow area permission optical fibers be within it free to slide.
Relative between described traction band with top pressure side be rotated through in following two schemes one or both realize: press the hollow channel of material to be provided with the rotating shaft being attached thereto the hollow connect pushing up; On top, pressure side outer surface is provided with the spacing ring limiting tip layering band angle, and tip layering band can reach the different anglecs of rotation through the spacing ring of different relative positions.
Described rack body includes but not limited to metal (as titanium), bioceramic (refers to and is directly used in human body or the ceramic material directly related with human body, possess good biocompatibility and affinity, physics, chemistry and mechanical stability, as aluminium oxide bioceramic, zirconia ceramics), biological alloy material is (as rustless steel, Ti-Ni alloy, vitallium, nichrome), any one material preparation in plastics (as polymethyl methacrylate), described soft biocompatible materials includes but not limited to silica gel, silica-gel sponge, synthetic collagen, allosome tissue's (de-cell sclera, fascia lata, cerebral dura mater, pericardium, corium etc.) in one or more materials preparation.
The length of described arc support is 12 millimeters-28 millimeters, and the profile of the radian of arc support and the corresponding individual patients eyeball of length is arranged.Preferred arc support length is 14 millimeters-23 millimeters.
The cross-sectional area of described top pressure material is 12 square millimeters to 110 square millimeters, and the height of described top pressure material is 2 millimeters-8 millimeters.After the pressure material resistant of this top, macular area sclera is expanded backward, and its size covers the macular area sclera of individual patients eyeball, but does not affect important nerve, the blood vessel in posterior pole of eyeball portion.
The cross-sectional area of preferred top pressure material is 23 square millimeters to 96 square millimeters, and the height of preferred top pressure material is 2.5 millimeters to 4.5 millimeters;
It is 28 square millimeters to 65 square millimeters that preferred top pressure material cross-section amasss, and the height of preferred top pressure material is 3 millimeters-4 millimeters;
Described top pressure material includes but not limited to one or more biocompatible materialses in silica gel, silica-gel sponge, synthetic collagen, allosome tissue's (de-cell sclera, fascia lata, cerebral dura mater, pericardium, corium etc.).
Preferred top pressure material is silica-gel sponge preparation, and silica-gel sponge has suitable elasticity and hardness, can play and continue top pressure effect, and disperse is compared in the distribution of pressure on top surface amount, is unlikely to excessively to oppress eyeball tissue, can avoid the complication such as local organization ischemic necrosis;
If the support that the sclera that described support stitching end is corresponding is thinner or select in art long needs shortens arc support to avoid conjunctival sac exposure problem, then can directly to dismantle one section of end, and do not need detaching device, do not need to polish yet and cut off the sharp-pointed corner of end.If the implantation quadrant/hour position of the suture location just too thin replacing arc support of sclera, the relative rotation between material-arc support can be pressed to avoid the sclera of local weak with top by traction band.
Present invention also offers the using method of described operation device, the method can make top press material accurately to aim at macular area sclera, and operation is implemented simpler, surgical effect is stablized.
The using method of operation device of the present invention, comprises the following steps:
A. under operation device being put into eyeball temporo side fascial bursa, make arc support vertical with limbus of corneae, and make the top pressure side of arc support be placed in posterior pole of eyeball portion, and make the stitching end of arc support parallel with limbus of corneae;
B. under one end of traction band being striden across lateral rectus and inferior obliquus arrival inferior retcus stop, under the other end arrives superior rectus stop, on the sclera above and below traction band is sewn to respectively;
C. fiber-optic outer end connects light source, observes light source inject the intraocular luminous point of individual patients by optical fibers with microscope or ophthalmoscope;
D. the position on adjustment top pressure material fore-and-aft direction, and be applied to the dynamics on the pressure material of top by the adjustment of traction band, by luminous point to make top pressure material center in step C and macula lutea center exactitude position;
E. with suture, stitching end is sewn on sclera;
F. the slip-knot of traction band is opened, adjustment traction item band suture location is to increase or to reduce top pressure height, adjustment traction pillar location, to avoid sclera weak part, finally determines pressure side center, top and macula lutea center exactitude position, and top pressure highly meets requirements of operation;
G. the optical fibers be embedded in hollow channel is pulled out.
Said method can make top press material accurately to aim at macular area sclera, ophthalmologic operation is implemented simpler, and surgical effect is reliable and stable.
Further comprising the steps of before described steps A: according to the radian of the radian adjustment main body rack of individual eyeball, step e 1 is also included: if main body rack radian does not meet eyeball radian after described step e, before step F, then can direct manual bending main body rack, if the support that the sclera of support stitching end is thinner or select in art is long, then directly can to dismantle one section of end, then to repeat step e-F.
Compared with prior art, beneficial effect of the present invention is as follows:
1. use softer top pressure material to have pliability is good, uniform force application, can available protecting weakness Posterior pole sclera, extruding optic nerve can be avoided, the advantages such as implantation position deflection can be prevented.Use sizeable top to press material effectively can resist rear macular area sclera to expand backward, its size covers the macular area sclera of individual patients eyeball, but does not affect important nerve, the blood vessel in posterior pole of eyeball portion.
2. rotatable traction band and disassembled bay structural have the advantages that to apply in a flexible way, because at high myopia eyeball, usually because the reasons such as local sclera is thinner cause sewing up, rotatable traction item band contributes to changing arc support fixed position, avoiding local weak sclera position; Also may because the variation of patient's eyeball shape be comparatively large in art, cause the support selected in art long, one section of end of now can dismantling fast, and the sharp corners of the rigid stent ends that do not need to polish;
3. the variation of high myopia eyeball shape is larger, and aspherical or regular shape, the situation that prefabricated main body rack radian does not meet actual eyeball radian may be run in operation, now can direct manual bending main body rack, can effectively avoid because changing the abnormal main body rack friction periorbital tissues caused of main body radian;
4. the hardness of the rack body on arc support is greater than Bu Shi 150, hot strength >=500MPa, top pressure side is conducive to implant Posterior pole rapidly, and do not need to cut off extraocular muscles, and hot strength >=0.3MPa, elongation at break >=200%, setafter break≤15% of the coated biocompatible materials layer of rack body outer surface, arc support can be prevented the excessive compressing of sclera.
5. draw band and there is hollow area, optical fibers is allowed to be free to slide through in the hollow area of rotating shaft, traction item band applies the top pressure effect to top pressure side, can according to patient profiles and operator experience flexible Application, such as sew up in two perforate knottings of each traction item end of tape, be equivalent to four points fix, the advantage of holding and having the step that simplifies the operation, facilitating multiple spot to fix, avoid suture to tangle, prevent strap end from getting loose sewed up by the traction item band of design.
6. multiple spot fix, the reasonable combination of soft or hard material and guiding device auxiliary positioning etc. design implant top press position accurately reliably, the complication such as the irregular deformation of operation in patients backsight thing, diplopia can be avoided.
In a word, this equipment safety is good, simple to operate, implant position accurately, top pressure material can be implanted outside posterior scleral rapidly, implant shaped position is steady in a long-term, and surgery side effect is few.Both can apply separately, also vitrectomy, Macular hole art, Intraocular padding can be combined, be applicable to the treatment of the intensification of high myopia Progressive symmetric erythrokeratodermia and posterior scleral Fructus Vitis viniferae related complication, the present invention uses arc support to maintain fixing top pressure material, utilize optical fibers to carry out optical alignment exactly, and be provided with can the traction band of flexible Application, use this operation device greatly can simplify the operating procedure of ophthalmologic operation, and effectively improve the accuracy and efficiency of operation, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the concrete structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the close-up schematic view of Fig. 1;
Fig. 3 is the cross sectional representation of arc support in the embodiment of the present invention;
Fig. 4 is that traction band rotates schematic diagram relative to what push up pressure side;
Fig. 5 be in the embodiment of the present invention operation device be arranged on individual patients eyeball after structural representation;
Reference numeral: 1, top pressure material; 2, arc support; 3, band is drawn; 4, optical fibers; 11, hollow channel; 21, pressure side is pushed up; 22, end is sewed up; 23, biocompatible materials layer; 24, rack body; 211, through hole; 212, spacing ring; 31, sewing hole; 32, hollow rotating shaft; 33, sewing hole; 5, individual patients eyeball; 51, inferior retcus; 52, superior rectus; 53, macular area sclera; 54, limbus of corneae; 55, posterior pole of eyeball portion.
Detailed description of the invention
Embodiment 1
The present embodiment operation device used, the cross section of top pressure material 1 is circular, and area is 28 square millimeters, is highly 2 millimeters.Described top pressure material 1 is silica gel.Described arc support main body 24 is titanium, and the biocompatible materials layer 23 of bag quilt is silica gel.Described arc support 2 length is 23 millimeters.Described arc support 2 sews up end 22 for disassembled bay structural.
The using method of the operation device of above-mentioned ophthalmologic operation comprises the following steps: under operation device is put into eyeball temporo side fascial bursa by A., make arc support 2 vertical with limbus of corneae 54, and make the top pressure side 21 of arc support 2 be placed in posterior pole of eyeball portion 55, and make the stitching end 22 of arc support 2 parallel with limbus of corneae 54; B. striden across one end of traction band 3 under lateral rectus and inferior obliquus arrive inferior retcus 51 stop, under the other end arrives superior rectus 52 stop, on the shallow-layer sclera above and below being sewn to respectively by sewing hole 31,33, wherein to beat slip-knot temporary fixed in one end; C. use the outer end of optical fibers 4 to connect light source, observe light source with microscope or ophthalmoscope and to be injected luminous point in individual patients eyeball 5 by optical fibers 4; D. the position on the horizontal fore-and-aft direction of adjustment top pressure material 1, the position on pressure material 1 above-below direction of top is adjusted again by traction band 3, adjustment traction band 3, its the through hole 211 around hollow rotating shaft district 32 and optical fibers 4 opposing arcuate support 2 is rotated, the suture location of traction band 3 is made to avoid thoroughly seeing the sclera weak part of pigmented film, by luminous point to make top pressure side 21 center in step C and macula lutea center exactitude position; E. with suture, stitching end 22 is sewn on the sclera of temporo side; F. open the slip-knot of traction band 3 one end, adjustment traction band 3 suture location, to increase or to reduce top pressure height, finally determine pressure side center, top and macula lutea center exactitude position, and top pressure highly meets requirements of operation;
Owing to employing optical fibers 4, need step G be increased:
G. pull out and be embedded in structural representation after the last operation device of optical fibers 4. in hollow channel 11 is arranged on individual patients eyeball 5 as shown in Figure 4.
Said method can make top press material 1 accurately to aim at macular area sclera 53, ophthalmologic operation is implemented simple and reliable.
Setting steps E1 after step e, before step F: and observe arc support 2 radian and whether meet eyeball radian, if arc support 2 radian does not meet eyeball radian, then can direct manual bending arc support 2; If the arc support selected in art 2 is long, then one section of end of can directly dismantling, then repeat step e-F.If the sclera that arc support 2 sews up end 22 is thinner, can adjust the position sewing up end 22, such as 3 o'clock adjusted to 1:30 clock from what originally estimated, avoid the staphyloma region of 2:00-4:30, the fixed position of drawing band 3 during adjusting pole position remains unchanged.
Operation is implemented: high myopia, women, 61 years old, left eye axis oculi 27.9 millimeters, left eye macular retinoschisis, macula lutea flaggy ceasma, the extensive choroidal atrophy of macular area, preoperative the best corrects defects of vision 0.02, and left eye postoperative 6 months the bests are corrected defects of vision recovery 0.05, myopia degree is reduced to postoperative-5.25Diopter by preoperative-11.25Diopter, and macular retinoschisis is alleviated gradually.
Embodiment 2
Operation device as described in Example 1, the cross section of top pressure material 1 is petal (three lobe), and maximum gauge is 11 millimeters, and cross-sectional area is 90 square millimeters, is highly 3 millimeters.Described top pressure material 1 is silicon sponge.Described arc support main body 24 is rustless steel, and the biocompatible materials layer 23 of bag quilt is silica gel.Described arc support 2 length is 21 millimeters.Described arc support 2 sews up end 22 for disassembled bay structural.The not additional optical fibers 4 of top pressure side 21, observes position and the height of macular area protuberance by indirect ophthalmoscope in art.Other implementation steps are as embodiment 1.
Operation is implemented: high myopia, male, 44 years old, left eye axis oculi 27.5 millimeters, left eye macular retinoschisis, macular area retina local departs from, and preoperative the best corrects defects of vision 0.5, and left eye postoperative 12 months the bests are corrected defects of vision and returned to 0.7, splitting is alleviated, depart from retina, and reset myopia degree is reduced to postoperative-9.875Diopter by preoperative-12.5Diopter.
Embodiment 3
Operation device as described in Example 1, the cross section of top pressure material 1 is polygon, and cross-sectional area is 52 square millimeters, is highly 6.5 millimeters.Described top pressure material 1 is silicon sponge.Described arc support main body 24 is titanium, and the biocompatible materials layer 23 of bag quilt is silica gel.Described support 2 length is 28 millimeters.Described arc support 2 sews up end 22 for Y type, is directly sewn to eyeball corresponding site.Other implementation steps are as embodiment 1.
Operation is implemented: high myopia, women, 46 years old, left eye axis oculi 32.6 millimeters, left eye macular hole, preoperative the best corrects defects of vision 0.05, left eye postoperative 6 months the bests are corrected defects of vision and are returned to 0.3, metamorphopsia alleviates, and macular hole heals, and myopia degree is reduced to postoperative-12.25Diopter by preoperative-18.0Diopter.
Embodiment 4
Operation device as described in Example 1, the cross-sectional area of top pressure material 1 is 50 square millimeters, is highly 4 millimeters.Described top pressure material 1 is silicon sponge.Described arc support main body 24 is titanium, and the biocompatible materials layer 23 of bag quilt is silicon sponge.Described support 2 length is 15 millimeters.Described arc support 2 sews up end 22 for disassembled bay structural.The not additional optical fibers 4 of top pressure side 21, observes position and the height of macular area protuberance by indirect ophthalmoscope in art.Other implementation steps are as embodiment 1.
Operation is implemented: high myopia, women, 37 years old, left eye axis oculi 28 millimeters, left eye macular retinoschisis merges macular area and extensively departs from, and preoperative the best corrects defects of vision 0.05, and left eye postoperative 9 months the bests are corrected defects of vision and returned to 0.4, macular hole healing, splitting are alleviated, and myopia degree is reduced to postoperative-5.75Diopter by preoperative-13.0Diopter.
Embodiment 5
Operation device as described in Example 1, the cross section of top pressure material 1 is heart-shaped (groove aims at optic nerve position, avoids excessive compression optic nerve), and cross-sectional area is 38 square millimeters, is highly 5 millimeters.Described top pressure material 1 is silicon sponge.Described arc support main body 24 is titanium, and the biocompatible materials layer 23 of bag quilt is silicon sponge.Described support 2 length is 22 millimeters.Described arc support 2 sews up end 22 for disassembled bay structural.Other implementation steps are as embodiment 1.
Operation is implemented: high myopia, women, 70 years old, left eye Intraocular lens eye, axis oculi 28 millimeters, OCT checks and shows that left eye macular hole merges macular area and extensively departs from, preoperative the best is corrected defects of vision manually/20cm, left eye postoperative 9 months the bests are corrected defects of vision and are returned to 0.1, and macular hole heals, and depart from reattachment of retina.
Embodiment 6
Operation device as described in Example 1, the cross section of top pressure material 1 is circular, and cross-sectional area is 16 square millimeters, is highly 2.5 millimeters.Described top pressure material 1 is silica gel.Described arc support main body 24 is titanium, and the biocompatible materials layer 23 of bag quilt is silicon sponge.Described support 2 length is 22 millimeters.Described arc support 2 sews up end 22 for disassembled bay structural.The not additional optical fibers 4 of top pressure side 21, observes position and the height of macular area protuberance by indirect ophthalmoscope in art.Other implementation steps are as embodiment 1.
Operation is implemented: high myopia, women, 55 years old, left eye axis oculi 28 millimeters, OCT checks and shows that left eye macular hole merges macular area and extensively departs from, and preoperative the best corrects defects of vision 0.01, it is 0.02 that left eye postoperative 9 months the bests are corrected defects of vision, macular hole healing, macular area reattachment of retina.
Embodiment 7
Operation device as described in Example 1, the cross section of top pressure material 1 is octagonal, and cross-sectional area is 72 square millimeters, is highly 2.5 millimeters.Described top pressure material 1 is silica gel.Described arc support main body 24 is titanium, and the biocompatible materials layer 23 of bag quilt is silica gel.Described support 2 length is 25 millimeters.The not additional traction band 3 of top pressure side 21 and optical fibers 4, observe position and the height of macular area protuberance by indirect ophthalmoscope in art, and top pressure height and the dynamics of its top pressure side is maintained by the radian adjusting arc support 2, sew up end 22 and adopt Y-shaped structure, play the effect strengthening arc support 2 support degree.Other implementation steps are as embodiment 1.
Operation is implemented: high myopia, women, 53 years old, left eye axis oculi 31 millimeters, OCT checks and shows that left eye holostrome macular hole merges serious macular retinoschisis, and preoperative the best corrects defects of vision 0.1, and it is 0.15 that left eye postoperative 9 months the bests are corrected defects of vision, macular retinoschisis is alleviated gradually, and patient's subjectivity is obviously improved depending on thing definition.
Above-listed detailed description is illustrating for one of the present invention possible embodiments, and this embodiment is also not used to limit the scope of the claims of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and all should be contained in the scope of the claims of this case.
Claims (10)
1. an ophthalmic surgical device, it is characterized in that, this operation device comprises top pressure material (1), arc support (2), one end of arc support (2) is for sewing up end (22), the other end of arc support (2) is top pressure side (21), top pressure side (21) is provided with top pressure material (1), and the cross-sectional area of described top pressure material (1) is 12 square millimeters to 110 square millimeters.
2. operation device as claimed in claim 1, is characterized in that, the shape of cross section of described top pressure material (1) is the one in circular, heart-shaped, oval, polygon.
3. operation device as claimed in claim 1, is characterized in that, top pressure material (1) is highly 2 millimeters to 8 millimeters.
4. an ophthalmic surgical device, it is characterized in that, this operation device comprises top pressure material (1), arc support (2), traction band (3), one end of arc support (2) is for sewing up end (22), the other end of arc support (2) is top pressure side (21), top pressure side (21) is provided with top pressure material (1), arc support (2) top pressure side (21) is provided with traction band (3), and traction band (3) can rotate with pressure side (21) junction, top.
5. operation device as claimed in claim 4, is characterized in that, the two ends of traction band (3) offer sewing hole (33) respectively.
6. the arbitrary operation device as described in claim 1 or 4, is characterized in that, comprises optical fibers (4) further.
7. the arbitrary operation device as described in claim 1 or 4, it is characterized in that, described arc support (2) is for biocompatible materials or comprise rack body (24) and be coated on rack body (24) biocompatible materials layer (23) outward, wherein said rack body (24) by metal, bioceramic, alloy material, plastics one or more form, described biocompatible materials layer (23) is made up of one or more in silica gel, silica-gel sponge, synthetic collagen, allosome tissue.
8. the arbitrary operation device as described in claim 1 or 4, is characterized in that, the length of described arc support (2) is 12 millimeters-28 millimeters.
9. the arbitrary operation device as described in claim 1 or 4, it is characterized in that, described arc support (2) is sewed up end (22) and is provided with disassembled segmental structure or arranges in forked, and the forked of this stitching end (22) is the one in Y-shaped, T-shaped, F font, 7 fonts, triangle or dry font.
10. the arbitrary operation device as described in claim 1 or 4, it is characterized in that, described top pressure material (1) is biocompatible materials, and described biocompatible materials is made up of one or more in silica gel, silica-gel sponge, synthetic collagen, allosome tissue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567903.2A CN105125341B (en) | 2015-09-08 | 2015-09-08 | A kind of operation device for ophthalmologic operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567903.2A CN105125341B (en) | 2015-09-08 | 2015-09-08 | A kind of operation device for ophthalmologic operation |
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| Publication Number | Publication Date |
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| CN105125341A true CN105125341A (en) | 2015-12-09 |
| CN105125341B CN105125341B (en) | 2018-02-27 |
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| CN201510567903.2A Active CN105125341B (en) | 2015-09-08 | 2015-09-08 | A kind of operation device for ophthalmologic operation |
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| CN110302005A (en) * | 2019-07-16 | 2019-10-08 | 上海交通大学医学院附属第九人民医院 | A kind of posterior scleral quantifies pressurizing block and its application method |
| CN112869889A (en) * | 2021-01-13 | 2021-06-01 | 郭智勇 | Multi-dimensional lighting device for ophthalmic surgery |
| CN113662659A (en) * | 2021-08-25 | 2021-11-19 | 中山大学中山眼科中心 | Eye parameter acquisition system based on 3D-MRI eyeball model |
| CN113729615A (en) * | 2021-10-12 | 2021-12-03 | 中山大学中山眼科中心 | Optical coherence tomography device with a hand-held probe |
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| CN112869889B (en) * | 2021-01-13 | 2022-08-05 | 连云港市第一人民医院 | Multi-dimensional lighting device for ophthalmic surgery |
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| Publication number | Publication date |
|---|---|
| CN105125341B (en) | 2018-02-27 |
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Effective date of registration: 20200922 Address after: Room 1631, Room 501, Room 501, No.5, Jinsui Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangzhou ruiqina Medical Technology Co., Ltd Address before: 510060 No. 54 martyrs South Road, Guangzhou, Guangdong, Yuexiu District Patentee before: ZHONGSHAN OPHTHALMIC CENTER, SUN YAT-SEN University |