CN2902237Y - Cornea opaca supporting ring - Google Patents
Cornea opaca supporting ring Download PDFInfo
- Publication number
- CN2902237Y CN2902237Y CN 200620055913 CN200620055913U CN2902237Y CN 2902237 Y CN2902237 Y CN 2902237Y CN 200620055913 CN200620055913 CN 200620055913 CN 200620055913 U CN200620055913 U CN 200620055913U CN 2902237 Y CN2902237 Y CN 2902237Y
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- sclera
- millimeters
- angle
- support ring
- short
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Abstract
The utility model provides a sclera bracket ring, consisting of four short arcs inside which constitute a discontinuous inner ring, four long arcs outside which constitute a discontinuous outer ring and a V-shaped strip column between the inner and outer part. The sclera bracket ring is essentially applied in eyes operation such as children's penetrating corneal implantation, retinal abscission of eyes without lens, penetrating corneal implantation jointed with lens extirpation, artificial lens implantation and can effectively keep the normal shape of eyeballs, prevent spilling of eyes contents and caving-in of the eyeballs during the operation.
Description
Technical field
This utility model relates to medical instruments field, relates in particular to a kind of sclera support ring.
Background technology
Penetrating keratoplasty, the aphakic eye that the sclera support ring is mainly used in children's and adult looks film breaks away from, penetrating keratoplasty associating lens extraction, intraocular lens are implanted and the retina operation on vitreous, is intended to keep normal eyeball form, prevents that ophthalmic is tolerant in the art and overflow and atrophy of eyeball.Except that Seidenari sclera support ring, traditional sclera support ring is by inside and outside two concentric rings and therebetween vertical being formed by connecting of several homogeneity bonding jumper posts.As, McNell-Goldman sclera support ring divides two kinds: the child uses 17mm (internal diameter) * 24mm (external diameter) with 14mm (internal diameter) * 21mm (external diameter), adult.Flieringa sclera support ring diameter 12mm～22mm.Flieringa-LeGrand sclera support ring divides two kinds: the child uses 17mm (internal diameter) * 24mm (external diameter) with 14mm (internal diameter) * 21mm (external diameter), adult.Above-mentioned sclera support ring internal ring is closed hoop, covers 360 ° of limbus of corneae.Seidenari sclera support ring is then cancelled internal ring and is replaced 4 short column bodies, and in order to fixing little contact lens, 1 quadrant that its outer shroud disconnects only limits to quadrant, is convenient to anterior chamber's perfusion cannula head and fixes.
Chinese patent CN93243750.8 discloses a kind of porous sclerotic ring that is used for ophthalmotomy, and the concrete structure of this porous sclerotic ring comprises a large circle, and is uniformly distributed in 3-4 small circle ring of large circle periphery.
Summary of the invention
The purpose of this utility model provides a kind of sclera support ring.
This utility model sclera support ring, by inboard four short arcs, four long arcs in the outside and V-type bar post formation therebetween, V-type bar post upper end links to each other with the short arc middle part, the lower end links to each other with long arc one end points, four short arcs constitute discontinuous internal ring, and four long arcs constitute discontinuous outer shroud, and outer shroud and internal ring lay respectively at two planes parallel to each other.
Described short arc radius is 4 to 7 millimeters, and the angle of short arc correspondence is 25 to 35 degree, and described long arc radius is 8 to 12 millimeters, and the angle of long arc correspondence is 35 to 45 degree, and the vertical drop of described internal ring and outer shroud is 1.5 to 3.5 millimeters.
Described short arc radius is 7 millimeters, and the angle of short arc correspondence is 30 degree, and described long arc radius is 12 millimeters, and the angle of long arc correspondence is 40 degree, and the vertical drop of internal ring and outer shroud is 2 millimeters.
Described short arc radius is 5 millimeters, and the angle of short arc correspondence is 30 degree, and described long arc radius is 9 millimeters, and the angle of long arc correspondence is 40 degree, and the vertical drop of internal ring and outer shroud is 2 millimeters.
The angle of described V-type bar post is the right angle.
Global shape of the present utility model is global shape, and concrete size can be made different specifications according to adult, child.
Compare with traditional sclera support ring, this utility model sclera support ring has following advantage:
1) profile novelty, attractive in appearance is convenient to clamping.
2) be convenient to sutured: to all can selecting stitch points the flat portion of corpus ciliare thereafter, and wire loop is difficult for slippage from limbus of corneae.
3) be convenient to fixedly contact lens: 4 short arcs are positioned at the outer 1mm of limbus of corneae, and formed discontinuous internal ring has strengthened the contact area with contact lens, can be properer and fixing contact lens or reduce its mobile range stably.
4) preventing effectively that ophthalmic from holding overflows and plants the hole and subside: at cataract operation or penetrate in the process of corneal transplantation associating ECCE/IOL, as take place that posterior lens capsule breaks or fragmentation nucleus piece when sinking to vitreous body, or the aphakia artificial intraocular lenses need carry out vitreous excision when implanting, but because of the anxiety that the intraocular pressure rising is arranged can not be appended ball week or retrobulbar anaesthesia, at this moment, with the cervical region sutured of sclera support ring V-type bar post in the episclera of limbus of corneae, both can prevent that planting the hole subsided, also plant simultaneously peritreme and effectively reduced the chance that the ophthalmic appearance is overflowed, thereby guaranteed under the transparency cornea otch or the state that puts in a skylight, to carry out the safety of vitrectomy and operation on retina because of short arc is more approaching.
5) be convenient to select the sclerotic puncture position: carry out that endolaser light coagulates, solution-air exchange, peripheral retina propagation film peel off in the operation, can select puncture orifice in 360 ° of scopes of support ring.
Avoid the rectus not-go-end when 6) being convenient to sew up: the angle of sclera support ring outer shroud V-type bar post is right angle in, be separated by two interior right angles of 180 ° of sclerotic ring are become level or vertically put Rhizoma Atractylodis Macrocephalae eye surface, can avoid outer loop contacts and damage four rectus not-go-end, and when needing, can not be subjected to the restriction of outer shroud in the capable tap of inside and outside, upper and lower rectus not-go-end or other operations.
Description of drawings
Fig. 1 sclera support ring structural representation
Fig. 2 sclera support ring schematic top plan view
The specific embodiment
Adopt medical metal material, make the sclera support ring, this sclera support ring is by inboard four short arcs 1, four long arcs 2 in the outside and V-type bar post 3 formations therebetween.V-type bar post upper end links to each other with the short arc middle part, and the lower end links to each other with long arc one end points, and four short arcs constitute discontinuous internal ring, and four long arcs constitute discontinuous outer shroud.The short arc radius is 7 millimeters, and the angle of short arc correspondence is 30 degree, and described long arc radius is 12 millimeters, and the angle of long arc correspondence is 40 degree, and the vertical drop of internal ring and outer shroud is 2 millimeters.The angle of described V-type bar post is the right angle.
When carrying out cataract operation to the adult or penetrate corneal transplantation associating ECCE/IOL operation, as take place that posterior lens capsule breaks or the fragmentation nucleus piece sinks to vitreous body, or carry out the aphakia artificial intraocular lenses and implant in the time of to carry out vitreous excision, because of the anxiety that the intraocular pressure rising is arranged can not be appended ball week or retrobulbar anaesthesia, at this moment, with the cervical region sutured of sclera support ring V-type bar post in the episclera of limbus of corneae, both can prevent that planting the hole subsided, also plant simultaneously peritreme and effectively reduced the chance that the ophthalmic appearance is overflowed, thereby guaranteed under the transparency cornea otch or the state that puts in a skylight, to carry out the safety of vitrectomy and operation on retina because of V-type bar post is more approaching.
Adopt medical metal material, make the sclera support ring, this sclera support ring is by inboard four short arcs 1, four long arcs 2 in the outside and V-type bar post 3 formations therebetween.V-type bar post upper end links to each other with the short arc middle part, and the lower end links to each other with long arc one end points, and four short arcs constitute discontinuous internal ring, and four long arcs constitute discontinuous outer shroud.The short arc radius is 5 millimeters, and the angle of short arc correspondence is 30 degree, and described long arc radius is 9 millimeters, and the angle of long arc correspondence is 40 degree, and the vertical drop of internal ring and outer shroud is 2 millimeters.The angle of described V-type bar post is the right angle.
In the process of carrying out operated eyes such as children's's penetrating keratoplasty, can keep effectively normal eyeball form, prevent that ophthalmic is tolerant in the art and overflow and atrophy of eyeball.
Claims (6)
1. a sclera support ring is characterized in that four long arcs in the outside and V-type bar post therebetween constitute by inboard four short arcs, and four short arcs constitute discontinuous internal ring, and four long arcs constitute discontinuous outer shroud, and outer shroud and internal ring lay respectively at two planes parallel to each other.
2. sclera support ring according to claim 1 is characterized in that described short arc radius is 4 to 7 millimeters, and the angle of short arc correspondence is 25 to 35 degree, and described long arc radius is 8 to 12 millimeters, and the angle of long arc correspondence is 35 to 45 degree.
3. sclera support ring according to claim 1, the angle that it is characterized in that described V-type bar post is the right angle.
4. sclera support ring according to claim 1 and 2, the vertical drop that it is characterized in that described internal ring and outer shroud are 1.5 to 3.5 millimeters.
5. sclera support ring according to claim 4 is characterized in that described short arc radius is 7 millimeters, and the angle of short arc correspondence is 30 degree, and described long arc radius is 12 millimeters, and the angle of long arc correspondence is 40 degree, and the vertical drop of internal ring and outer shroud is 2 millimeters.
6. sclera support ring according to claim 4 is characterized in that described short arc radius is 5 millimeters, and the angle of short arc correspondence is 30 degree, and described long arc radius is 9 millimeters, and the angle of long arc correspondence is 40 degree, and the vertical drop of internal ring and outer shroud is 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620055913 CN2902237Y (en) | 2006-03-08 | 2006-03-08 | Cornea opaca supporting ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620055913 CN2902237Y (en) | 2006-03-08 | 2006-03-08 | Cornea opaca supporting ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2902237Y true CN2902237Y (en) | 2007-05-23 |
Family
ID=38077637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620055913 Expired - Fee Related CN2902237Y (en) | 2006-03-08 | 2006-03-08 | Cornea opaca supporting ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2902237Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5869742B1 (en) * | 2014-10-08 | 2016-02-24 | 株式会社ユニバーサルビュー | Ophthalmic aid |
| CN107997794A (en) * | 2017-12-02 | 2018-05-08 | 李茂菊 | Medical multifunctional eye speculum |
-
2006
- 2006-03-08 CN CN 200620055913 patent/CN2902237Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5869742B1 (en) * | 2014-10-08 | 2016-02-24 | 株式会社ユニバーサルビュー | Ophthalmic aid |
| CN107997794A (en) * | 2017-12-02 | 2018-05-08 | 李茂菊 | Medical multifunctional eye speculum |
| CN107997794B (en) * | 2017-12-02 | 2021-04-23 | 青岛市市立医院 | Medical multifunctional eyelid retractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |