CN215080774U - Special silica gel implantation device for macular cingulum operation - Google Patents
Special silica gel implantation device for macular cingulum operation Download PDFInfo
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- CN215080774U CN215080774U CN202120383153.4U CN202120383153U CN215080774U CN 215080774 U CN215080774 U CN 215080774U CN 202120383153 U CN202120383153 U CN 202120383153U CN 215080774 U CN215080774 U CN 215080774U
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- silica gel
- macular
- pressure plate
- eyeball
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 239000000741 silica gel Substances 0.000 title claims abstract description 154
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 154
- 238000002513 implantation Methods 0.000 title claims abstract description 11
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 210000001328 optic nerve Anatomy 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000001356 surgical procedure Methods 0.000 claims description 19
- 229910021426 porous silicon Inorganic materials 0.000 claims description 12
- 239000007943 implant Substances 0.000 claims description 10
- 210000003128 head Anatomy 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 2
- 210000003786 sclera Anatomy 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 7
- 230000004438 eyesight Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000000377 silicon dioxide Substances 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 230000004402 high myopia Effects 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 5
- 238000007906 compression Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 210000003733 optic disk Anatomy 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 210000001508 eye Anatomy 0.000 description 3
- 208000002780 macular degeneration Diseases 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010025421 Macule Diseases 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000003161 choroid Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000000109 fascia lata Anatomy 0.000 description 1
- 230000005847 immunogenicity Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000002189 macula lutea Anatomy 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000009978 visual deterioration Effects 0.000 description 1
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Abstract
The utility model discloses a special silica gel implanting device for a macular strap operation, which comprises a silica gel pressure plate matched with the shape and the area of a macular area at the back of an eyeball of a patient, wherein a porous silica sponge pressure pad is arranged on one surface of the silica gel pressure plate, which faces the macular area; the peripheral edge of the silica gel pressure plate is connected with a plurality of silica gel arms in a radial scattering shape, the silica gel arms are correspondingly provided with silica gel sleeves, and the silica gel sleeves are sewed and fixed on the corresponding surfaces in front of the equator area of the eyeball of the patient in an operation state; the peripheral edge of the silica gel pressure plate is inwards retracted corresponding to the optic nerve position of the eyeball of the patient to form a touch-proof tangent line. The device can also be additionally provided with a light-guide fiber cable for surgical guidance, and the macular cingulum can be positioned under direct vision. The device has the advantages of simple and stable structure, convenient and fast operation, accurate and safe positioning, can effectively reduce the risk of damaging optic nerves in the implantation process, can generate exact jacking effect on an eyeball macular region of a patient, is not only suitable for a macular cingulum operation, but also suitable for a posterior sclera reinforcing operation.
Description
Technical Field
The utility model relates to an used supplementary medical instrument of ophthalmic surgery specifically indicates a special silica gel implantation device of yellow spot cingulum operation.
Background
High myopia is an important disease causing the visual deterioration of patients, and stretch macular degeneration caused by the increase of the axis of the eye is an important pathological type of the high myopia. In clinical ophthalmology, the high myopia is treated by the conventional posterior scleral reinforcement surgery (PSR), which is also called posterior scleral band surgery, posterior scleral support surgery or posterior scleral reinforcement surgery, and uses materials such as allogenic sclera, fascia lata or medical silica gel sponge to reinforce the sclera of the posterior pole of the eyeball of a patient, so as to prevent or relieve the development of the high myopia by preventing the progressive expansion of the posterior pole of the eyeball and the progressive extension of the axis of the eye.
With the progress of ophthalmic surgery, the Macular cingulate surgery (Macular Buckle), as an improved scleral cingulate surgery, is gradually and clinically appreciated by ophthalmologists, wherein a specific silica gel material is placed outside the sclera of the posterior segment of the eyeball to force the Macular region of the posterior segment of the eyeball to be inwards sunken, so that the separated diseased retina and the scleral choroid complex are caused to be attached again, and the axial traction of the eyeball is relieved. Different from the traditional sclera buckle belt material which is placed on the lateral side of the eyeball, the macular buckle belt is placed on the macular area behind the eyeball and mainly treats traction macular degeneration caused by overlong high myopia ocular axis.
Research shows that the macular strap operation has good effects on shortening the axis of the eye and relieving traction macular degeneration with high myopia. However, the ophthalmologic operation in various hospitals is restricted by certain conditions, and mainly has two reasons: firstly, the macular region is positioned at the back of the eyeball, the important structure of the region is more, the operation has certain blindness, the operation difficulty is higher, and the operation accuracy is not easy to grasp; secondly, the macular cingulum lacks suitable commercial implant material, and at present multipurpose xenogenous sclera or ordinary silica gel strip, because xenogenous sclera source is restricted, and the texture is softer, are difficult to play good roof pressure effect, and the drawback that also there is being difficult to good fixed is placed to ordinary silica gel strip.
Therefore, with the affirmation of the therapeutic effect of the macular strap surgery and the increasing demand of such surgery year by year, there is a need to design an implantation device that is helpful to efficiently, precisely and safely complete the macular strap surgery, but no satisfactory progress has been achieved at present.
Disclosure of Invention
The utility model aims at providing a device is implanted to special silica gel of yellow spot cingulum operation that simple structure is stable, convenient operation is swift, fix a position accurate safety and can produce the exact roof pressure effect to patient's eyeball macula district.
In order to achieve the above object, the utility model discloses a special silica gel implantation device of yellow spot cingulum operation, include with the silica gel pressure disk of patient's eyeball rear portion yellow spot district shape and area looks adaptation, its special character lies in: a porous silicon sponge pressure pad is arranged on one side of the silica gel pressure plate, which faces the macular area; the peripheral edge of the silica gel pressure plate is radially and dispersedly connected with a plurality of silica gel arms, silica gel sleeves are correspondingly configured on the silica gel arms, and the silica gel sleeves are sewn and fixed on the corresponding surfaces in front of the equator area of the eyeball of the patient in an operation state; the peripheral edge of the silica gel pressure plate is inwards retracted corresponding to the optic nerve position of the eyeball of the patient to form a touch-proof tangent line, and the touch-proof tangent line is located between two adjacent silica gel arms.
The utility model discloses when being applied to clinical ophthalmology yellow spot cingulum operation to patient's rear portion sclera macular area is as operation roof pressure target area position, need implant wherein with the pad pressure thing (also known as central silicon sponge cingulum area) that silica gel pressure disk and porous silicon sponge pressure pad are constituteed. In the specific operation, the silica gel sleeves corresponding to the silica gel arms are firstly sewn and fixed on the corresponding surfaces in front of the equator area of the eyeball of the patient, then the silica gel arms are inserted into the corresponding silica gel sleeves, and then the positions of the silica gel arms are adjusted to enable the cushion pressing objects to be accurately aligned with the jacking target areas.
The mode that the silica gel sleeve is fixed on the surface of an eyeball and the silica gel arm is inserted into the silica gel sleeve is adopted, and a certain friction force exists between the silica gel sleeve and the silica gel arm, so that the silica gel arm can be ensured to be adjusted in position in the silica gel sleeve but cannot slide automatically, and the free adjustment of the position and the tension of the flexible silica gel arm in the operation is realized. The adoption of a plurality of radially scattered silica gel arms can effectively avoid displacement of the cushion pressing object in the central buckle zone and suture operation on the back sclera, thereby ensuring the stability of the cushion pressing object and solving the problem of effective jacking of the flexible material on the back sclera. The porous silicon sponge pressure pad is directly acted on the scleral macular region, and the soft structure of the porous silicon sponge pressure pad can reduce the rigid compression on the sclera and the surrounding blood vessels, thereby ensuring the even jacking on the sclera. And the peripheral edge of the silica gel pressure plate is designed with a touch-proof tangent line, so that an operator can clearly avoid the optic nerve position of the eyeball of the patient, and the contact injury is prevented.
As preferred scheme, the one side that the silica gel pressure disk deviates from the yellow spot district is provided with detachable light guide fiber cable, the terminal light emitting head of light guide fiber cable is located and prevents touching tangent line inboard edge under the operation state. Like this, the bright light position that the light guide fiber cable sent can show detains the area edge to guide the operation of operation person, be convenient for carry out the macula lutea under directly seeing straight and detain the area location, and can make the roof pressure position more accurate, reduce the risk of implanting the in-process damage optic nerve.
More specifically, prevent touching the fixed finger stall appearance silica gel cap that is provided with of the inboard edge of tangent line, prevent touching fixedly on the inboard edge of tangent line to its opposite silica gel arm and be provided with a plurality of silica gel ring, the terminal luminous head of optic fibre cable passes a plurality of silica gel ring in proper order and pegs graft the location in finger stall appearance silica gel cap after. The tail end of the light guide fiber cable can be arranged and positioned through the finger sleeve-like silica gel cap, the light guide fiber cable can be fixedly attached along the silica gel arm through a plurality of silica gel rings, and the light guide fiber cable is led out to be connected with the light source generating device. Like this, its simple structure is reliable, can assist quick location in the operation, realizes that the accurate pad of placing presses the thing, avoids filling up and pressing the thing contact optic nerve, and it can to take out the optic fibre cable to withdraw after the operation finishes.
Furthermore, a scale mark is arranged on the silica gel arm. Therefore, the position of the silica gel arm can be visually adjusted in the operation, and the redundant part can be cut off according to the actual required length after the adjustment is finished.
Furthermore, the silica gel pressure plate and the silica gel arm are of an integrated structure. The integrated structure is convenient to manufacture and low in cost.
Furthermore, the design of silica gel arm is three, and three silica gel arms are 120 evenly distributed. Therefore, according to the three-point retention principle, the stability of the pad pressing object can be increased on the basis of the simplest structure, and the stable pressing effect on the macular area is ensured.
More specifically, the silica gel pressure plate is of an approximately circular flat structure, the diameter of the silica gel pressure plate is 10-12 mm, and the thickness of the silica gel pressure plate is 1-2 mm; the silica gel arm is in a flat strip shape, the length of the silica gel arm is 35-45 mm, the width of the silica gel arm is 2-4 mm, and the thickness of the silica gel arm is 1-2 mm; the thickness of porous silicon sponge pressure pad is 1.5 ~ 3mm, and it bonds with the silica gel pressure disk and links to each other.
To sum up, the utility model has the advantages of as follows and in the aspect:
firstly, the flexible implant material is made of medical silica gel, has good tissue compatibility and no immunogenicity, is not easy to cause inflammatory reaction and organism rejection after long-term implantation, and avoids the structural and functional damage to the eyeball of a patient caused by over-compression of a rigid material.
Secondly, utilize the fixed mode of radial scattering form silica gel arm + silica gel cover combination, not only solved the problem that flexible material fixes the difficulty in the yellow spot cingulum operation, can also realize the free adjustment of yellow spot cingulum height.
Thirdly, a mode that the silica gel pressure plate and the porous silica sponge pressure pad are combined is adopted, the mechanical characteristics of respective materials are fully exerted, the flexible adjustment of the macular pinch area pad pressure object is realized, the rear sclera and the rear blood vessel are protected from excessive compression, and the risk of scleral necrosis and vascular mechanical system compression is favorably reduced.
Fourthly, scale marks are additionally arranged on the silica gel arm, so that the length of the silica gel arm can be accurately adjusted according to actual conditions in an operation.
Fifthly, the light guide fiber cable is designed for guiding, the macular strap under the direct vision of an operator can be positioned, the position of the top pressing target area is accurate, and the risk of damaging optic nerves in the implantation process is greatly reduced.
Sixthly, the structure is simple and stable, the implantation is convenient and fast, the adjustment and positioning are accurate, the jacking effect is exact, the operation is safe and reliable, and the device can be widely applied to various macular cingulum operations and also applied to various posterior sclera reinforcement operations.
Drawings
Fig. 1 is a schematic view of the overlooking structure of the special silica gel implanting device for the macular strap surgery of the present invention.
Fig. 2 is a schematic bottom view of the silica gel implanting device shown in fig. 1.
Fig. 3 is a side view of the silica gel implant device shown in fig. 1.
FIG. 4 is a schematic view of the silicone implant device of FIG. 1 implanted and adjusted in the posterior sclera of a patient's eyeball.
Fig. 5 is a schematic view of the guiding and positioning of the silicone implant device shown in fig. 1 under the direct vision aided by a fiber optic cable.
The components and regions in the drawings are numbered as follows: a silica gel arm 1; a silica gel pressure plate 2; a porous silicon sponge pressure pad 3; a silica gel sleeve 4; a touch-proof tangent line 5; scale marks 6; a light-guide fiber cable 7; a finger sleeve-like silica gel cap 8; a silica gel ring 9; the macular region 10; optic nerve and optic papilla 11; the extraocular rectus muscles 12 (four); extraocular oblique muscles 13 (two); light 14 from the end of the fiber optic cable.
Detailed Description
The present invention is described in further detail below with reference to the following figures and specific examples, which should not be construed as limiting the invention.
Example 1
As shown in fig. 1 to 3, the special silica gel implanting device for macular strap surgery described in this embodiment has a silica gel pressing plate 2, the silica gel pressing plate 2 is a flat structure similar to a circle, and has a shape and an area equivalent to the macular area of the back of the eyeball of the patient, and the diameter of the silica gel implanting device is 11mm, and the thickness of the silica gel implanting device is 1 mm. A porous silicon sponge pressure pad 3 is bonded on one side of the silica gel pressure plate 2 facing the yellow spot area, the diameter of the porous silicon sponge pressure pad is 10mm, and the thickness of the porous silicon sponge pressure pad is 2 mm. The peripheral edge of the silica gel pressure plate 2 is radially and dispersedly connected with three silica gel arms 1, and the three silica gel arms 1 are in a flat strip shape and are uniformly distributed along the circumferential direction by 120 degrees; each silica gel arm 1 is 40mm long, 3mm wide and 1mm thick, and is integrated with silica gel pressure plate 2.
The three silica gel arms 1 are respectively provided with a silica gel sleeve 4, and the three silica gel sleeves 4 are sewed and fixed on the corresponding surface in front of the equator area of the eyeball of the patient in an operation state. The three silica gel arms 1 are inserted in the three silica gel sleeves 4, so that the three silica gel arms 1 can be positioned on the sclera of the eyeball of a patient and can be manually adjusted in the silica gel sleeves 4 in a shuttling manner, and the three silica gel arms cannot automatically slide due to certain friction force between the three silica gel arms. And each silica gel arm 1 is provided with a scale mark 6 so as to cut off redundant parts according to actual needs after the position adjustment is finished. The position of the peripheral edge of the silica gel pressing plate 2 corresponding to the optic nerve of the eyeball of the patient retracts inwards to form a touch-proof tangent 5, and the touch-proof tangent 5 is just arranged between two adjacent silica gel arms 1, so that the silica gel pressing plate 2 avoids the optic nerve region of the eyeball.
One side of the silica gel pressure plate 2 deviating from the yellow spot area is provided with a detachable light guide fiber cable 7, and the tail end light emitting head of the light guide fiber cable 7 needs to be positioned at the edge of the inner side of the anti-touch tangent line 5 in an operation state. The specific structure is as follows: a finger sleeve-like silica gel cap 8 is fixedly arranged at the midpoint of the inner side edge of the anti-touch tangent line 5 of the silica gel pressure plate 2, two silica gel rings 9 are fixedly arranged on the silica gel arm 1 from the inner side edge of the anti-touch tangent line 5 to the opposite side of the anti-touch tangent line, one of the silica gel rings 9 is positioned at the outer side edge of the silica gel pressure plate 2, and the other silica gel ring 9 is positioned on the silica gel arm 1. The tail end light-emitting head of the light guide fiber cable 7 sequentially penetrates through the two silica gel rings 9 and is inserted and nested in the finger sleeve-like silica gel cap 8.
Fig. 4 is a schematic diagram of the silica gel implanting device implanting and adjusting in the posterior sclera of the eyeball of a patient, in which a macular region 10, an optic nerve and optic papilla 11, four extraocular rectus muscles 12 and two extraocular oblique muscles 13 in the eyeball of the patient are shown, and it can also be clearly seen that a pad pressing object composed of a silica gel pressure plate 2 and a porous silica sponge pressing pad 3 is implanted in the range of the macular region 10 after an operation, and an avoiding space exists between a touch-proof tangent 5 of the silica gel pressure plate 2 and the optic nerve and optic papilla 11.
Fig. 5 is a schematic view of the guiding and positioning of the silica gel implant device under the auxiliary direct vision of the optical fiber cable. Also visible in the figure is a light 14 emitted from the end of the optical fiber cable 7, and the light 14 can clearly show the edge of the touch-proof tangent 5 of the silicone pressure plate 2, thereby effectively guiding the positioning of the surgical operation.
When the silica gel implanting device is applied to a macular cingulum operation, the silica gel sleeves 4 corresponding to the three silica gel arms 1 are firstly sewn and fixed on the corresponding surfaces in front of the equator area of the eyeball of a patient, then the 3 silica gel arms are inserted into the corresponding silica gel sleeves 4, and then the positions of the 3 silica gel arms are adjusted, so that the silica gel pressure plate 2 and the porous silica sponge pressure pad 3 on the silica gel pressure plate are accurately aligned to the macular area of the sclera at the rear part of the patient, and the operation can be completed.
The operation key points in the operation are as follows: one silica gel arm 1 provided with the optical fiber cable 7 is placed on the temporal side of a patient, the other two silica gel arms 1 are respectively placed on the nose and the inferior nasal quadrant of the eyeball of the patient, the length of the silica gel arm 1 is larger than the length which needs to be implanted actually, the scale mark 6 on the silica gel arm is convenient for adjusting the position in an operation, and redundant length is cut off after the adjustment is finished. The light guide fiber cable 7 is a common multimode fiber, the receiving head at the head end of the light guide fiber cable is connected with an external light source generating device, and the light emitting head at the tail end of the light guide fiber cable is tightly inserted into the finger sleeve-like silica gel cap 8 after passing through the two silica gel rings 9. The operator can accurately judge the top pressing position of the silica gel pressure plate 2 according to the light 14 generated by the tail end light-emitting head, and ensure that the optic nerve and the optic papilla 11 are positioned outside the touch-proof tangent line 5. The optical fiber cable 7 is drawn out after the operation is completed.
In conclusion, with the help of the technical scheme of the utility model, adopt porous silicon sponge as the straight pad and press the thing, its texture is soft, the atress is even, helps avoiding similar rigid material to sclera and vascular mechanical oppression. The flexible adjustment of the length of the flexible silica gel arm is realized by adopting the silica gel sleeve, and the difficult problem that the flexible material is not easy to fix in a back sclera macular region can be effectively solved. In addition, the device designs the optical fiber cable for surgical guidance, so that the macular cingulum can be conveniently positioned under direct vision, the top pressure part is more accurate, and the risk of damaging the optic nerve in the implantation process is reduced. Meanwhile, the device is suitable in size, easy to implant, stable in structure and convenient to adjust, can be effectively positioned in the operation, and can generate an exact jacking effect on a macular area, so that the macular cingulum operation is more effective and safer.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements and the like made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a special silica gel implantation device of macular area operation, includes silica gel pressure disk (2) with patient's eyeball back part yellow spot district shape and area looks adaptation, its characterized in that: a porous silicon sponge pressure pad (3) is arranged on one side of the silica gel pressure plate (2) facing the macular area; the peripheral edge of the silica gel pressure plate (2) is connected with a plurality of silica gel arms (1) in a radial scattering manner, silica gel sleeves (4) are correspondingly configured on the silica gel arms (1), and the silica gel sleeves (4) are sewn and fixed on the corresponding surfaces in front of the equator area of the eyeball of the patient in an operation state; the peripheral edge of the silica gel pressure plate (2) is inwards retracted corresponding to the optic nerve position of the eyeball of the patient to form a touch-proof tangent line (5), and the touch-proof tangent line (5) is located between two adjacent silica gel arms (1).
2. The special implant device for macular strap surgery of claim 1, wherein: one side that silica gel pressure disk (2) deviates from the yellow spot district is provided with detachable light guide fiber cable (7), the terminal light emitting head of light guide fiber cable (7) is located and prevents touching tangent line (5) inboard edge under the operation status.
3. The special implant device for macular strap surgery of claim 2, wherein: prevent fixed fingerstall appearance silica gel cap (8) that is provided with of inboard edge of touching tangent line (5), prevent fixedly on the inboard edge of touching tangent line (5) to its opposite silica gel arm (1) being provided with a plurality of silica gel ring (9), the terminal luminescent head of optic fibre cable (7) passes a plurality of silica gel ring (9) back grafting location in fingerstall appearance silica gel cap (8) in proper order.
4. The special implanting device for macular strap surgery of claim 1, 2 or 3, wherein: and the silica gel arm (1) is provided with a scale mark (6).
5. The special implanting device for macular strap surgery of claim 1, 2 or 3, wherein: silica gel pressure disk (2) and silica gel arm (1) are integrated into one piece structure.
6. The special implanting device for macular strap surgery of claim 1, 2 or 3, wherein: three silica gel arms (1) are designed, and the three silica gel arms (1) are uniformly distributed at 120 degrees.
7. The special implanting device for macular strap surgery of claim 1, 2 or 3, wherein: the silica gel pressure plate (2) is of an approximately circular flat structure, the diameter of the silica gel pressure plate is 10-12 mm, and the thickness of the silica gel pressure plate is 1-2 mm; the silica gel arm (1) is in a flat strip shape, the length of the silica gel arm is 35-45 mm, the width of the silica gel arm is 2-4 mm, and the thickness of the silica gel arm is 1-2 mm; the thickness of porous silicon sponge pressure pad (3) is 1.5 ~ 3mm, and it bonds with silica gel pressure disk (2) and links to each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120383153.4U CN215080774U (en) | 2021-02-20 | 2021-02-20 | Special silica gel implantation device for macular cingulum operation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120383153.4U CN215080774U (en) | 2021-02-20 | 2021-02-20 | Special silica gel implantation device for macular cingulum operation |
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| CN215080774U true CN215080774U (en) | 2021-12-10 |
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| CN202120383153.4U Expired - Fee Related CN215080774U (en) | 2021-02-20 | 2021-02-20 | Special silica gel implantation device for macular cingulum operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500997A (en) * | 2022-09-22 | 2022-12-23 | 广州卫视博生物科技有限公司 | Posterior scleral reinforcement for high myopia |
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2021
- 2021-02-20 CN CN202120383153.4U patent/CN215080774U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500997A (en) * | 2022-09-22 | 2022-12-23 | 广州卫视博生物科技有限公司 | Posterior scleral reinforcement for high myopia |
| WO2024060519A1 (en) * | 2022-09-22 | 2024-03-28 | 广州卫视博生物科技有限公司 | Posterior sclera reinforcement component for high myopia |
| CN115500997B (en) * | 2022-09-22 | 2024-05-07 | 广州卫视博生物科技有限公司 | Posterior sclera reinforcement component for high myopia |
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Granted publication date: 20211210 |