CN214908309U - Intraocular tissue protection plate - Google Patents
Intraocular tissue protection plate Download PDFInfo
- Publication number
- CN214908309U CN214908309U CN202121253787.4U CN202121253787U CN214908309U CN 214908309 U CN214908309 U CN 214908309U CN 202121253787 U CN202121253787 U CN 202121253787U CN 214908309 U CN214908309 U CN 214908309U
- Authority
- CN
- China
- Prior art keywords
- protection shield
- protection plate
- main part
- plate
- tailboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000001232 limbus corneae Anatomy 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 210000004087 cornea Anatomy 0.000 abstract description 19
- 208000034693 Laceration Diseases 0.000 abstract description 9
- 208000027418 Wounds and injury Diseases 0.000 abstract description 7
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 10
- 210000002159 anterior chamber Anatomy 0.000 description 7
- 210000001747 pupil Anatomy 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001525 retina Anatomy 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 206010053675 Iris incarceration Diseases 0.000 description 1
- 206010057413 Iris injury Diseases 0.000 description 1
- 208000012287 Prolapse Diseases 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002385 Sodium hyaluronate Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000871 endothelium corneal Anatomy 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229940010747 sodium hyaluronate Drugs 0.000 description 1
- YWIVKILSMZOHHF-QJZPQSOGSA-N sodium;(2s,3s,4s,5r,6r)-6-[(2s,3r,4r,5s,6r)-3-acetamido-2-[(2s,3s,4r,5r,6r)-6-[(2r,3r,4r,5s,6r)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2- Chemical compound [Na+].CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 YWIVKILSMZOHHF-QJZPQSOGSA-N 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
Images
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- Materials For Medical Uses (AREA)
Abstract
The utility model provides an intraocular tissue protection shield, belongs to medical instrument, and it is the flat structure of integral type that comprises protection shield main part and protection shield tailboard, the protection shield main part is tongue shape panel, sets up the diaphragm orifice on the face of protection shield main part front end, and protection shield main part end is the protection shield tailboard, protection shield tailboard is wider in the end of protection shield main part, and the protection shield tailboard has the radian that parallels with the marginal radian of cornea, and the protection shield tailboard is equallyd divide the symmetry equally along protection shield main part axis. The utility model has the advantages that: the protective plate can be placed in the cornea through the limbus incision, the prolapsed iris can be retracted and prevented from prolapsed again through compression, correct suture of the corneal wound is facilitated, and the device is suitable for patients who need to suture for the first time when the corneal laceration is accompanied with prolapsed iris. The device also has the function of assisting the taking-out of foreign matters in the eyes, and reduces the risk that the foreign matters slide in the eyes.
Description
Technical Field
The utility model relates to an ophthalmology medical instrument, concretely relates to anterior segment tissue protection board.
Background
Clinically, eye trauma is one of the main blinding eye diseases in China, and the key for obtaining good prognosis of patients is to perform timely and effective first-stage laceration suture without damaging other structures in eyes.
For patients with corneal laceration accompanied by prolapse of iris, how to return iris tissues into the eye without injury is the key of the operation. Conventionally, a method of using an iris restorer for retrieval while suturing is adopted, but the method requires a skilled assistant to be matched with the iris restorer, and a suture needle is in close contact with iris tissues, so that iris injury or iris incarceration in a wound are easily caused.
In addition, when a magnet is used for absorbing the foreign body in the vitreous cavity outside the cornea during operation, the foreign body can move from the vitreous cavity to the pupil area through the pupil, generally, the foreign body needs to be clamped on the surface of the iris firstly, the cornea is provided with a side incision to take out the foreign body, but the phenomenon that the magnet suction force is too large often occurs, and the foreign body directly penetrates below the iris or is directly absorbed on the back surface of the cornea to damage the iris or the cornea is caused.
In addition, when the foreign body forceps are used for taking out the foreign body in the vitreous cavity, the foreign body is required to be clamped on the surface of the iris firstly, but because the pupil area is not provided with a baffle, the foreign body is easy to fall into the vitreous cavity again through the pupil, and even the retina is damaged.
Disclosure of Invention
An object of the utility model is to overcome foretell defect, provide an intraocular tissue protection shield, can regain and oppress the iris tissue of deviating from to prevent outside it deviates from the eye once more, for safer, restore the cornea laceration with high efficiency and facilitate, be applicable to the patient that the cornea laceration is deviate from with the iris.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intraocular tissue protection board which characterized in that: the protection plate tail plate is wider than the tail end of the protection plate main body, has a radian parallel to the radian of a corneal limbus, and is symmetrical in equal halves along the central axis of the protection plate main body.
The surface of the protection plate main body is provided with a concave part.
The length of protection shield main part is 8mm, and the front end width is 3.0mm, and the terminal width is 4.0mm, and thickness is 1 mm.
The arc length of the tail plate of the protection plate is 8mm, the width of the tail plate is 2mm, and the thickness of the tail plate of the protection plate is 1 mm.
The protection plate main body and the protection plate tail plate are made of polymethyl methacrylate materials.
The utility model discloses at least, have following useful part:
1. the utility model discloses the main part is "tongue shape" lamina, and has certain hardness, when going on the cornea laceration suture, make one with the parallel limbus incision of cornea wound main shaft, anterior chamber pours into viscoelastic agent into, form anterior chamber, put into this device from transparent limbus auxiliary incision and get into anterior chamber, be applied to open cornea trauma patient, can cut apart iris and cornea, jointly use formation anterior chamber that can be better and protection corneal endothelium with high concentration sodium hyaluronate (viscoelastic agent), thereby be favorable to the sewing up of cornea laceration more.
2. The main body of the device is of a flat plate structure, the expanded tail end of the arc is perfectly matched with the radian of the cornea, the stability of the main body is more facilitated, and the double-plate hole design at the front end of the main body can allow a fixed suture to pass through, so that the stability of the main body is further improved.
3. This device chooses the silica gel material for use, has stronger hardness, when intraocular stability, also has certain oppression effect to the tissue in the eye, can regain the iris of deviating from to prevent that it from deviating from outside the eye from the cornea wound once more, avoided the iris to sutural interference, also reduced the risk of suture to iris tissue damage.
4. The device also has other purposes, for example, when foreign body forceps are used for taking out the foreign body in the vitreous cavity, the foreign body forceps need to clamp the foreign body to the surface of the iris firstly, but because the pupil area is not provided with a separation block, the foreign body is easy to fall into the vitreous cavity again through the pupil, and even the retina is damaged. When the device is used as an intraocular foreign body taking-out power plate, the foreign body is placed on the protection plate firstly, and then is taken out from the corneal limbus, so that the risk of sliding of the foreign body can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic side sectional view of the utility model in use.
Fig. 4 is a schematic view of the usage state of the present invention.
Wherein:
1-fixed suture, 2-fixed suture, 3-plate hole, 4-protection plate main body, 5-protection plate tail plate and 6-concave part.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1: an intraocular tissue protection plate is an integrated flat plate type structure consisting of a polymethyl methacrylate protection plate main body 4 and a tail end 5 of the polymethyl methacrylate protection plate, wherein the protection plate main body 4 is a tongue-shaped plate, the length of the tongue-shaped plate is 8mm, the width of the front end of the tongue-shaped plate is 3mm, the width of the tail end of the tongue-shaped plate is 4mm, and the thickness of the tongue-shaped plate is 1 mm; the tail end of the protection plate main body 4 is provided with an arc protection plate tail plate 5, the protection plate tail plate 5 has a radian parallel to the radian of a corneal limbus, the arc length is 8mm, the width is 2mm, the thickness is 1mm, and the protection plate tail plate 5 is bisected and symmetrical along the central axis of the protection plate main body 4; two plate holes 3 for passing through fixed sutures are arranged on the plate surface at the front end of the protective plate main body 4 at intervals.
Example 2: in the other structure of the present invention, as in embodiment 1, a concave portion 6 for accommodating a foreign object may be further provided at the center of the surface of the protection plate main body 4.
The using method comprises the following steps:
1. when the cornea laceration suture is performed, a corneal limbus incision parallel to a main axis of a corneal wound is made as a main incision, viscoelastic agent is injected into the anterior chamber to form an anterior chamber, the device is placed into the corneal limbus, 2 adjacent auxiliary corneal limbus incisions are made on the opposite side of the main incision, a 10-0 straight needle penetrates out of a plate hole to fix suture, and the fixed suture is knotted outside the eye to play a role of fixing a protective plate, so that the prolapsed iris can be accommodated and prevented from being prolapsed out of the eye from the corneal wound again, the interference of the iris on the suture is avoided, the corneal laceration suture operation is performed more smoothly, and the risk of damaging iris tissues by the suture is reduced.
2. When the device is used as an intraocular foreign body taking-out connecting plate, the foreign body is placed in the folding concave part of the protecting plate main body firstly, and then the foreign body is taken out from the corneal edge, so that the risk of sliding of the foreign body can be reduced.
3. When a magnet is used for sucking foreign matters in a vitreous cavity outside the cornea during operation, the cornea is made into a side incision, the protection plate is placed into the anterior chamber from the side incision, the concave part of the protection plate main body faces the vitreous cavity, the foreign matters are firstly sucked into the concave surface by the magnet and then taken out by the foreign matter forceps, and the foreign matters are prevented from directly damaging the iris and the cornea.
Claims (5)
1. An intraocular tissue protection board which characterized in that: the protection plate tail plate is wider than the tail end of the protection plate main body, has a radian parallel to the radian of a corneal limbus, and is symmetrical in equal halves along the central axis of the protection plate main body.
2. The intraocular tissue protection plate according to claim 1, characterized in that: the surface of the protection plate main body is provided with a concave part.
3. The intraocular tissue protection plate according to claim 1 or 2, characterized in that: the length of protection shield main part is 8mm, and the front end width is 3.0mm, and the terminal width is 4.0mm, and thickness is 1 mm.
4. The intraocular tissue protection plate according to claim 1 or 2, characterized in that: the arc length of the tail plate of the protection plate is 8mm, the width of the tail plate is 2mm, and the thickness of the tail plate of the protection plate is 1 mm.
5. The intraocular tissue protection plate according to claim 1 or 2, characterized in that: the protection plate main body and the protection plate tail plate are made of polymethyl methacrylate materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121253787.4U CN214908309U (en) | 2021-06-07 | 2021-06-07 | Intraocular tissue protection plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121253787.4U CN214908309U (en) | 2021-06-07 | 2021-06-07 | Intraocular tissue protection plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214908309U true CN214908309U (en) | 2021-11-30 |
Family
ID=79054489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121253787.4U Active CN214908309U (en) | 2021-06-07 | 2021-06-07 | Intraocular tissue protection plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214908309U (en) |
-
2021
- 2021-06-07 CN CN202121253787.4U patent/CN214908309U/en active Active
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