CN210077645U - Silver ball electrode with elastic protection device for cochlear electrograph - Google Patents
Silver ball electrode with elastic protection device for cochlear electrograph Download PDFInfo
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- CN210077645U CN210077645U CN201920508583.7U CN201920508583U CN210077645U CN 210077645 U CN210077645 U CN 210077645U CN 201920508583 U CN201920508583 U CN 201920508583U CN 210077645 U CN210077645 U CN 210077645U
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Abstract
The utility model belongs to the field of medical detection equipment, in particular to a silver ball electrode with an elastic protection device for a cochlear electrograph, which comprises a lead, a silver ball and a silver ball electrode end; one end of the wire is provided with a first connecting end for connecting a power supply, and the other end of the wire is connected with the silver ball electrode end through a second connecting end; one end of the silver ball electrode end is arranged in the second connecting end, the other end of the silver ball electrode end is provided with a silver ball, and the periphery of the silver ball is wrapped with a layer of elastic protection device; the silver ball electrode with the elastic protection device for the cochlear electrograph has strong structural practicability and has the following advantages: firstly, the purity and the conductivity of the silver ball electrode terminal are high, and the waveform differentiation of a cochlear electrograph made by using the silver ball electrode terminal is good; and the telescopic design of the leather layer is convenient for fixing the elastic protection device, so that the elastic protection device is not easy to fall off.
Description
Technical Field
The utility model relates to a medical science check out test set field specifically is a silver ball electrode that is used for cochlea electrograph to have elasticity protection device.
Background
The cochlear electrogram objectively evaluates the hearing threshold of a person who is difficult to hear clearly by utilizing the characteristic that the cochlear nerve action potential response threshold is close to the hearing threshold, and is the most accurate method for identifying the deafness lesion part at present. The principle process of the cochlear electrogram is as follows: under the stimulation of sound, sound waves are transmitted from the vestibular window to the cochlea to cause the movement of a basement membrane, so that cilia of outer hair cells are bent due to scissor-type movement to form the change of local current at the tops of the hair cells, and mechanical energy is converted into electric energy.
The electrode most commonly used in cochlear electrograms is a silver ball electrode, which has the advantage that if the silver ball electrode is oxidized, only the front end needs to be replaced and the lead does not need to be replaced. But during use, there is no elastic inclusion where its electrodes contact the tympanic membrane. When the conductive substance is used, the electrode tip needs to be coated, and the coated conductive substance is easy to fall off to hurt the tympanic membrane.
To solve the above problems in the prior art, the present invention is directed to a silver ball electrode with an elastic protection device for a cochlear electrogram.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a silver ball electrode that is used for cochlear electrograph to have an elasticity protection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a silver ball electrode with an elastic protection device for cochlear electrograms, comprising: the device comprises a wire, a silver ball and a silver ball electrode end, wherein one end of the wire is provided with a first connecting end for switching on a power supply, and the other end of the wire is connected with the silver ball electrode end through a second connecting end; one end of the silver ball electrode end is arranged in the second connecting end, the other end of the silver ball electrode end is provided with a silver ball, and the periphery of the silver ball is wrapped with a layer of elastic protection device.
As a further aspect of the present invention: a conductive assembly is arranged inside the second connecting end, the conductive assembly comprises a conductive assembly body and a conductive column, and a circuit board is arranged inside the conductive assembly body; the quantity of leading electrical pillar is two, and two are led electrical pillar and set up respectively in the conductive component body left and right sides, and two are led and all are equipped with the connecting hole on electrical pillar, install in the connecting hole on the left conductive pillar of conductive component body through the one end of wire, and the one end of silver ball electrode end is installed in the connecting hole on the conductive pillar on conductive component body right side, makes wire and silver ball electrode end electric connection.
As a further aspect of the present invention: the outer side of the silver ball electrode end is wrapped with a layer of cortex, and the cortex is a spiral spring tube with a telescopic design.
As a further aspect of the present invention: the skin layer is made of polyurethane.
As a further aspect of the present invention: the elastic protection device is in a horn shape.
As a further aspect of the present invention: the front end of the elastic protection device is provided with a through hole, the surface of the silver ball is provided with a conductive bulge, the conductive bulge of the silver ball is limited in the through hole of the elastic protection device, and the extending end of the conductive bulge is flush with the surface of the through hole of the elastic protection device.
As a further aspect of the present invention: the elastic protection device is made of absorbent cotton.
Compared with the prior art, the beneficial effects of the utility model are that:
the silver ball electrode with the elastic protection device for the cochlear electrograph has reasonable structural design and strong practicability, and has the following advantages: firstly, the purity and the conductivity of the silver ball electrode terminal are high, and the waveform differentiation of a cochlear electrograph made by using the silver ball electrode terminal is good; secondly, the elastic protection device is fixed conveniently by the telescopic design of the leather layer, so that the elastic protection device is not easy to fall off; and thirdly, the elastic protection device is used for wrapping the silver ball, so that the silver ball can be in electrical contact with the tympanic membrane without wrapping the conductive substance by wetting the elastic protection device with physiological saline before use, and the conductive substance is prevented from falling off to hurt the tympanic membrane.
Drawings
Fig. 1 is a schematic structural diagram of a silver ball electrode with an elastic protection device for a cochlear electrogram according to the embodiment.
Fig. 2 is a schematic structural diagram of the front end of a silver ball electrode with an elastic protection device for a cochlear electrogram in the embodiment.
Fig. 3 is a schematic structural diagram of the conductive component inside the second connection end of the silver ball electrode with the elastic protection device for cochlear electrograph according to the embodiment.
In the figure: 1-a first connecting end, 2-a lead, 3-a second connecting end, 4-a skin layer, 5-a silver ball, 6-an elastic protection device, 7-a silver ball electrode end, 8-a conductive component body, 9-a conductive column and 10-a connecting hole.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, in an embodiment of the present invention, a silver ball electrode with an elastic protection device for a cochlear electrogram includes: the device comprises a lead 2, a silver ball 5 and a silver ball electrode end 7, wherein one end of the lead 2 is provided with a first connecting end 1 for switching on a power supply, and the other end of the lead 2 is connected with the silver ball electrode end 7 through a second connecting end 3; one end of the silver ball electrode end 7 is arranged in the second connecting end 3, the other end of the silver ball electrode end 7 is provided with a silver ball 5, and the periphery of the silver ball 5 is wrapped with a layer of elastic protection device 6.
Further, a conductive component is arranged inside the second connecting end 3.
Specifically, the conductive assembly includes: the conductive component comprises a conductive component body 8 and a conductive column 9, wherein a circuit board is arranged inside the conductive component body 8, and the circuit board is the prior art and is not further described herein; the quantity of leading electrical pillar 9 is two, and two lead electrical pillar 9 and set up respectively in the 8 left and right sides of conductive subassembly body, all is equipped with connecting hole 10 on two lead electrical pillar 9, installs in 10 on the left conductive pillar 9 of conductive subassembly body through the one end of wire 2, and the one end of silver ball electrode end 7 is installed in the connecting hole 10 on the conductive pillar 9 on conductive subassembly body 8 right side, makes wire 2 and silver ball electrode end 7 electric connection.
Further, the outer side of the silver ball electrode end 7 is wrapped with a layer of skin layer 4.
Specifically, the skin layer 4 is a helical spring tube of a telescopic design; the material for making the skin layer 4 is polyurethane, and the polyurethane material not only has good insulativity, but also has better elastic deformation performance; the elastic protection device 6 can be helped to be fixed through the telescopic design of the leather layer 4, and the elastic protection device 6 is prevented from falling off.
Furthermore, the elastic protection device 6 is in a horn shape, a through hole is formed in the front end of the elastic protection device 6, a conductive protrusion is arranged on the surface of the silver ball 5, the conductive protrusion of the silver ball 5 is limited in the through hole of the elastic protection device 6, and the extending end of the conductive protrusion is flush with the surface of the through hole of the elastic protection device 6; the conductive bumps of the silver balls 5 are limited in the through holes of the elastic protection device 6, so that the silver balls 5 can electrically contact with the tympanic membrane without wrapping conductive substances, and the good waveform differentiation of the cochlear electrograms made by the silver balls 5 is ensured.
Specifically, the preparation material of elasticity protection device 6 is the cotton wool, and the cotton wool adapts to the inside complicated mechanism environment of duct, alleviates the inside injury that causes of elasticity protection device 6 to the duct.
The utility model discloses a theory of operation is:
when the silver ball electrode with the elastic protection device for the cochlear electrograph is used, the silver ball electrode end 7 is connected through the second connecting end 3, the device for manufacturing the cochlear electrograph is electrically connected through the first connecting end 1, then cochlear detection is carried out, the elastic protection device 6 is soaked in normal saline firstly, then the cortex 4 is slowly stretched into the auditory canal of a patient, the silver ball 5 at the front end of the silver ball electrode end 7 in the cortex 4 is wrapped by the elastic protection device 6 and advances along the auditory canal until touching the tympanic membrane, and after the silver ball 5 touches the tympanic membrane, the medical device for manufacturing the cochlear electrograph displays cochlear micropotentiality, potential and auditory nerve comprehensive action potential so that medical staff can analyze the state of an illness of the patient;
the silver ball electrode with the elastic protection device for the cochlear electrograph has reasonable structural design and strong practicability, and has the following advantages: firstly, the silver ball electrode end 7 has high purity and good conductivity, and the cochlear electrograph waveform made by using the silver ball electrode end 7 has good differentiation; secondly, the elastic protection device 6 is fixed conveniently by the telescopic design of the leather layer 4, so that the elastic protection device 6 is not easy to fall off; thirdly, the elastic protection device 6 wraps the silver ball 5 before use, the silver ball 5 can electrically contact the tympanic membrane without wrapping the conductive substance by wetting the elastic protection device 6 with the physiological saline, and the conductive substance is prevented from falling off to hurt the tympanic membrane.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (7)
1. A silver ball electrode with an elastic protection device for cochlear electrograms, comprising: wire (2), silver ball (5) and silver ball electrode end (7), its characterized in that: one end of the lead (2) is provided with a first connecting end (1) for switching on a power supply, and the other end of the lead (2) is connected with a silver ball electrode end (7) through a second connecting end (3); one end of the silver ball electrode end (7) is arranged in the second connecting end (3), the other end of the silver ball electrode end (7) is provided with a silver ball (5), and the periphery of the silver ball (5) is wrapped with a layer of elastic protection device (6).
2. The silver ball electrode with elastic protection device for cochlear electrogram of claim 1, characterized in that: a conductive assembly is arranged in the second connecting end (3), the conductive assembly comprises a conductive assembly body (8) and a conductive column (9), and a circuit board is arranged in the conductive assembly body (8); the quantity of leading electrical pillar (9) is two, and two are led electrical pillar (9) and set up respectively in the conductive component body (8) left and right sides, all are equipped with connecting hole (10) on two are led electrical pillar (9), install in connecting hole (10) on the left conductive pillar (9) of conductive component body (8) through wire (2) one end, in connecting hole (10) on conductive pillar (9) on conductive component body (8) right side are installed to the one end of silver ball electrode end (7), make wire (2) and silver ball electrode end (7) electric connection.
3. The silver ball electrode with elastic protection device for cochlear electrogram of claim 2, characterized in that: the outer side of the silver ball electrode end (7) is wrapped with a layer of cortex (4), and the cortex (4) is a spiral spring tube with a telescopic design.
4. The silver ball electrode with elastic protection device for cochlear electrogram of claim 3, characterized in that: the material for manufacturing the skin layer (4) is polyurethane.
5. The silver ball electrode with elastic protection device for cochlear electrogram of claim 1, characterized in that: the elastic protection device (6) is horn-shaped.
6. The silver ball electrode with elastic protection device for cochlear electrogram of claim 5, characterized in that: the front end of the elastic protection device (6) is provided with a through hole; the surface of the silver ball (5) is provided with a conductive bulge, the conductive bulge of the silver ball (5) is limited in the through hole of the elastic protection device (6), and the extending end of the conductive bulge is flush with the surface of the through hole of the elastic protection device (6).
7. The silver ball electrode with elastic protection device for cochlear electrogram according to claim 5 or 6, characterized in that: the elastic protection device (6) is made of absorbent cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508583.7U CN210077645U (en) | 2019-04-16 | 2019-04-16 | Silver ball electrode with elastic protection device for cochlear electrograph |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508583.7U CN210077645U (en) | 2019-04-16 | 2019-04-16 | Silver ball electrode with elastic protection device for cochlear electrograph |
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| Publication Number | Publication Date |
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| CN210077645U true CN210077645U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920508583.7U Active CN210077645U (en) | 2019-04-16 | 2019-04-16 | Silver ball electrode with elastic protection device for cochlear electrograph |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893116A (en) * | 2019-04-16 | 2019-06-18 | 青岛市市立医院 | A kind of ping-pong ball electrode with elastic protection device for electrocochleogram |
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2019
- 2019-04-16 CN CN201920508583.7U patent/CN210077645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893116A (en) * | 2019-04-16 | 2019-06-18 | 青岛市市立医院 | A kind of ping-pong ball electrode with elastic protection device for electrocochleogram |
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