CN219166425U - Cornea electrode plate with sucking disc structure for electro-physiological use - Google Patents
Cornea electrode plate with sucking disc structure for electro-physiological use Download PDFInfo
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- CN219166425U CN219166425U CN202223279549.8U CN202223279549U CN219166425U CN 219166425 U CN219166425 U CN 219166425U CN 202223279549 U CN202223279549 U CN 202223279549U CN 219166425 U CN219166425 U CN 219166425U
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Abstract
The utility model discloses a cornea electrode plate with a sucker structure for electro-oculography, which has the technical scheme that a contact lens of the cornea electrode plate comprises a plastic inner ring and a silica gel outer ring, and the silica gel outer ring is connected with the plastic inner ring; the plastic inner ring is provided with a first through hole, the conductive coil is attached to the inner side of the plastic inner ring, and the lead passes through the first through hole and is connected with the conductive coil. The contact lens consists of two parts with different materials, and the plastic inner ring close to the pupil is made of hard materials, so that the conductive coil can be better fixed; the silica gel outer ring far away from the pupil is made of soft materials, so that the contact force between the contact lens and the ocular surface is increased, and the contact stability between the contact lens and the cornea is improved.
Description
Technical Field
The utility model relates to a cornea electrode slice, in particular to a cornea electrode slice with a sucker structure for electro-physiological use.
Background
Electroretinogram (ERG) examination is to detect bioelectric signals generated during the visual generation of a patient using visual electrophysiology examination techniques and analyze the bioelectric signals generated. By observing the functional states of eyes under different conditions reflected in the waveform characteristics of the electric signals, the symptoms can be effectively diagnosed. In ophthalmic diagnostics, electroretinogram examination is the only objective diagnostic method that does not require the response of the subject, not only for patients in general, but also for patients who cannot be psychophysical examined. Cornea contact electrodes are an important component in electroretinogram examination.
Chinese patent CN2626430Y discloses a visual electrophysiology contact lens electrode, comprising a contact lens with an inner side surface contacting with cornea, wherein the outer surface of the contact lens is provided with two eyelid opening ears, and the contact lens has no annular gold plating film on the cornea contact surface; the intermediate light-transmitting portion of the contact lens has diopters; a hole is formed in one eyelid opening ear, a wire is inserted into the hole, and the end of the wire is connected with the annular gold-plated ring to form an action electrode; the other eyelid opening ear is provided with a strip-shaped gold-plating film, and the strip-shaped gold-plating film is connected with a lead-out wire to form a reference electrode. The patent is a rigid corneal contact electrode which is easily detached or buried in the fornix of the eyelid for a subject with eyelid skin relaxation; for a subject with traumatic eyelid swelling, the cornea contact electrode is difficult to fix; moreover, the contact electrode of the cornea is easy to fall off due to frequent prompt eyes of the testee, and the testee is difficult to perceive that the lens falls off after the surface of the eyeball is anesthetized, so that the accuracy of the monitoring result is reduced.
Based on the above reasons, the present utility model aims to provide a cornea electrode plate for electro-physiological use with a sucker structure, which improves the structure of a contact lens to improve the contact stability with cornea.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the cornea electrode plate with the sucker structure for the electro-physiology of the eye, which is characterized in that the contact lens consists of two parts with different materials, and the plastic inner ring close to the pupil is made of hard materials, so that the conductive coil can be better fixed; the silica gel outer ring far away from the pupil is made of soft materials, so that the contact force between the contact lens and the ocular surface is increased, and the contact stability between the contact lens and the cornea is improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the cornea electrode plate with the sucker structure for the electro-physiological eye comprises a contact lens, a conductive coil and a wire, wherein the contact lens comprises a plastic inner ring and a silica gel outer ring, and the silica gel outer ring is connected with the plastic inner ring; the plastic inner ring is provided with a first through hole, the conductive coil is attached to the inner side of the plastic inner ring, and the lead passes through the first through hole and is connected with the conductive coil.
The utility model is further provided with: the inner side of the silica gel inner ring is provided with a groove, the conductive coil is embedded in the groove, and the first through hole is communicated with the groove.
The utility model is further provided with: the inner side surfaces of the conductive coil, the plastic inner ring and the silica gel outer ring are smoothly connected to form a curved surface.
The utility model is further provided with: the silica gel outer ring is coated on the outer side of the plastic inner ring.
The utility model is further provided with: the outside border processing of plastic inner circle has the linking groove, the inboard border embedding of silica gel outer lane links up in the groove.
The utility model is further provided with: the outer side surfaces of the plastic inner ring and the silica gel outer ring are smoothly connected to form a curved surface.
The utility model is further provided with: the contact lens further comprises a protection column, the protection column is fixed on the outer side of the plastic inner ring, a second through hole for accommodating a wire is formed in the protection column, and the first through hole is communicated with the second through hole.
The utility model is further provided with: the protection post and the plastic inner ring are integrally formed.
The utility model is further provided with: the top edge of the protective column is an inverted arc edge.
The utility model is further provided with: the conductive coil is a gold-plated coil.
In summary, compared with the prior art, the utility model has the following beneficial effects: the contact lens consists of two parts with different materials, and the plastic inner ring close to the pupil is made of hard materials, so that the conductive coil can be better fixed; the silica gel outer ring far away from the pupil is made of soft materials, so that the contact force between the contact lens and the ocular surface is increased, and the contact stability between the contact lens and the cornea is improved.
Drawings
FIG. 1 is an isometric view of a corneal electrode sheet in an example;
FIG. 2 is a bottom view of a corneal electrode sheet according to an embodiment;
FIG. 3 is a bottom view of the first through hole;
FIG. 4 is a top view of a second via;
FIG. 5 is a cross-sectional view of a groove;
in the figure: 1. a contact lens; 11. a silica gel outer ring; 12. a plastic inner ring; 121. a first through hole; 122. a groove; 123. a connection groove; 2. a conductive coil; 3. a wire; 4. a protective column; 41. and a second through hole.
Detailed Description
The technical solutions of the present utility model will be clearly described below with reference to the accompanying drawings, and it is obvious that the described embodiments are not all embodiments of the present utility model, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of protection of the present utility model.
It should be noted that, the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "horizontal", "left", "right", "front", "rear", "lateral", "longitudinal", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Examples
1-5, a basic structure of a cornea electrode plate with a sucker structure for electro-physiological use in eyes in a preferred embodiment of the utility model comprises a contact lens 1, a conductive coil 2 and a lead 3, wherein the contact lens 1 comprises a plastic inner ring 12 and a silica gel outer ring 11, and the silica gel outer ring 11 is connected with the plastic inner ring 12; the plastic inner ring 12 is provided with a first through hole 121, the conductive coil 2 is attached to the inner side of the plastic inner ring 12, and the wire 3 passes through the first through hole 121 and is connected with the conductive coil 2. In the embodiment, the contact lens 1 is composed of two parts with different materials, and the plastic inner ring 12 close to the pupil is made of hard materials, so that the conductive coil 2 can be better fixed; the silica gel outer ring 11 far away from the pupil is made of soft materials, so that the contact force between the contact lens 1 and the ocular surface is increased, and the contact stability between the contact lens 1 and the cornea is improved.
Moreover, since the plastic inner ring 12 is annular, the pupil can be exposed from the hole in the middle of the plastic inner ring 12, and the hollow design of the plastic inner ring 12 can effectively reduce the shielding of the plastic inner ring 12 to vision in the testing process, and reduce the possibility of image loss or signal capturing with drop during the testing.
Specifically, the inner side of the silica gel inner ring is provided with a groove 122, the conductive coil 2 is embedded in the groove 122, and the first through hole 121 is communicated with the groove 122. The arrangement of the grooves 122 can increase the contact area between the plastic inner ring 12 and the conductive coil 2, so that the conductive coil 2 is more firmly fixed on the plastic inner ring 12.
Specifically, the inner side surfaces of the conductive coil 2, the plastic inner ring 12 and the silica gel outer ring 11 are smoothly connected into a curved surface, so that the conductive coil 2, the plastic inner ring 12 and the silica gel outer ring 11 can be attached to the surface of the eye.
The embodiment further comprises a protection post 4, the protection post 4 is fixed on the outer side of the plastic inner ring 12, a second through hole 41 for accommodating the wire 3 is arranged on the protection post 4, and the first through hole 121 is communicated with the second through hole 41. The protective posts 4 can help fix the position of the wire 3 and improve the stability of the connection of the wire 3 and the conductive coil 2.
Specifically, the protection post 4 and the plastic inner ring 12 are integrally formed.
Specifically, the top edge of the protective column is an inverted arc edge.
Specifically, the silica gel outer ring 11 is coated on the outer sides of the plastic inner ring 12 and the protection column 4, the silica gel outer ring 11 can completely coat the plastic inner ring 12 and the protection column 4, and the silica gel outer ring 11 can only coat the outer side edge of the plastic inner ring 12. In this embodiment, the silica gel only covers the outer edge of the plastic inner ring 12. The contact area between the silica gel outer ring 11 and the plastic inner ring 12 can be increased by the arrangement, so that the silica gel outer ring 11 and the plastic inner ring 12 can be firmly combined together.
Specifically, in this embodiment, the outer edge of the plastic inner ring 12 is processed with a connection groove 123, and the inner edge of the silica gel outer ring 11 is embedded into the connection groove 123, so as to increase the stability of the connection between the plastic inner ring 12 and the silica gel outer ring 11. In this embodiment, the outer side surface of the silica gel outer ring 11 is smoothly connected with the outer side surface of the plastic inner ring 12.
Specifically, the conductive coil 2 is a gold-plated coil, and the gold plating can improve the conductivity of the coil, so that the electric signal can be better transmitted, and a better test effect can be achieved. The gold-plated coil in this embodiment is a copper gold-plated coil.
In summary, the contact lens 1 in the embodiment is composed of two parts with different materials, and the plastic inner ring 12 near the pupil is made of hard materials, so that the conductive coil 2 can be better fixed; the silica gel outer ring 11 far away from the pupil is made of soft materials, so that the contact force between the contact lens 1 and the ocular surface is increased, and the contact stability between the contact lens 1 and the cornea is improved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A cornea electrode plate with a sucker structure for electro-physiology of eyes, which is characterized in that: the contact lens comprises a contact lens (1), a conductive coil (2) and a wire (3), wherein the contact lens (1) comprises a plastic inner ring (12) and a silica gel outer ring (11), and the silica gel outer ring (11) is connected with the plastic inner ring (12); the plastic inner ring (12) is provided with a first through hole (121), the conductive coil (2) is attached to the inner side of the plastic inner ring (12), and the lead (3) passes through the first through hole (121) and is connected with the conductive coil (2).
2. The corneal electrode sheet for electro-physiological use for eyes with a suction cup structure according to claim 1, wherein: the inner side of the plastic inner ring is provided with a groove (122), the conductive coil (2) is embedded in the groove (122), and the first through hole (121) is communicated with the groove (122).
3. The corneal electrode sheet for electro-physiological use for eyes with a suction cup structure according to claim 2, wherein: the inner side surfaces of the conductive coil (2), the plastic inner ring (12) and the silica gel outer ring (11) are smoothly connected to form a curved surface.
4. A corneal electrode sheet for electro-physiological use for an eye having a suction cup structure according to any one of claims 1 to 3, characterized in that: the silica gel outer ring (11) is coated on the outer side of the plastic inner ring (12).
5. The corneal electrode sheet for electro-physiological use for eyes with a sucking disc structure according to claim 4, wherein: the outer side edge of the plastic inner ring (12) is provided with a connecting groove (123), and the inner side edge of the silica gel outer ring (11) is embedded into the connecting groove (123).
6. The corneal electrode sheet for electro-physiological use for eyes with a sucking disc structure according to claim 4, wherein: the outer side surface of the plastic inner ring (12) and the outer side surface of the silica gel outer ring (11) are smoothly connected to form a curved surface.
7. A corneal electrode sheet for electro-physiological use for an eye having a suction cup structure according to any one of claims 1 to 3, characterized in that: the contact lens (1) further comprises a protection column (4), the protection column (4) is fixed on the outer side of the plastic inner ring (12), a second through hole (41) for accommodating the lead (3) is formed in the protection column (4), and the first through hole (121) is communicated with the second through hole (41).
8. The corneal electrode sheet for electro-physiological use for eyes with a sucking disc structure according to claim 7, wherein: the protection column (4) and the plastic inner ring (12) are integrally formed.
9. The corneal electrode sheet for electro-physiological use for eyes with a sucking disc structure according to claim 7, wherein: the top edge of the protection column (4) is an inverted arc edge.
10. The corneal electrode sheet for electro-physiological use for eyes with a suction cup structure according to claim 1, wherein: the conductive coil (2) is a gold-plated coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223279549.8U CN219166425U (en) | 2022-12-07 | 2022-12-07 | Cornea electrode plate with sucking disc structure for electro-physiological use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223279549.8U CN219166425U (en) | 2022-12-07 | 2022-12-07 | Cornea electrode plate with sucking disc structure for electro-physiological use |
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| CN219166425U true CN219166425U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223279549.8U Active CN219166425U (en) | 2022-12-07 | 2022-12-07 | Cornea electrode plate with sucking disc structure for electro-physiological use |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115844410A (en) * | 2022-12-07 | 2023-03-28 | 爱尔眼科医院集团四川眼科医院有限公司 | Corneal electrode sheet with suction cup structure for ocular electrophysiology and method for manufacturing the same |
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2022
- 2022-12-07 CN CN202223279549.8U patent/CN219166425U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115844410A (en) * | 2022-12-07 | 2023-03-28 | 爱尔眼科医院集团四川眼科医院有限公司 | Corneal electrode sheet with suction cup structure for ocular electrophysiology and method for manufacturing the same |
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