CN208969186U - A kind of artificial cochlear implant auxiliary electrode earth leakage tester - Google Patents
A kind of artificial cochlear implant auxiliary electrode earth leakage tester Download PDFInfo
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- CN208969186U CN208969186U CN201821550099.2U CN201821550099U CN208969186U CN 208969186 U CN208969186 U CN 208969186U CN 201821550099 U CN201821550099 U CN 201821550099U CN 208969186 U CN208969186 U CN 208969186U
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- auxiliary electrode
- resistance
- cochlear implant
- earth leakage
- titanium tube
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Abstract
The utility model relates to a kind of artificial cochlear implant auxiliary electrode earth leakage testers, for testing the drain conditions of auxiliary electrode, described auxiliary electrode one end is to draw silk, including medical titanium tube, divider resistance, signal source and oscillograph, conduction liquid is filled in the medical titanium tube, the middle section of the auxiliary electrode is immersed in the conduction liquid, both ends extend to outside the conduction liquid, the signal source is connect with lead-out wire, described divider resistance one end is connect with medical titanium tube, other end ground connection, the oscillograph are connected to divider resistance both ends；By comparing the resistance value of divider resistance and leak resistance, judge whether the leakage current of auxiliary electrode meets the requirements.Compared with prior art, the utility model has delicate structure, convenient test, high reliability.
Description
Technical field
The utility model relates to electronic technology fields, leak electricity and survey more particularly, to a kind of artificial cochlear implant auxiliary electrode
Trial assembly is set.
Background technique
Artificial cochlea is a kind of electronic device, and the telecommunications of certain coding form is converted sound by external Sound Processor Unit
Number, restore, improve and rebuild the auditory function of deaf person by the directly excited auditory nerve of the electrode system to implant.Electrode system
System includes stimulating electrode and auxiliary electrode, and wherein auxiliary electrode one end is 6 electrode platinum wires, and the other end burns 6 wire electrodes
Spherical shape is made, each platinum electrode silk carries out isolated insulation with insulating coating.It, may if leaky occurs in insulating layer breakage
It will appear the problems such as stimulation wearer's face is neural, so how testing auxiliary electrode and whether leaking electricity is matter in manufacturing process
Measure an important link in management system.
Existing patent application CN106443291A discloses a kind of artificial cochlear implant earth detector, comprising: detection
Resistance, electric leakage equivalent resistance, capacitance, detection module and signal generator, the one end for the equivalent resistance that leaks electricity and artificial cochlea
The special chip stimulation output pin of implant connects, other end ground connection；One end of capacitance and artificial cochlear implant
Special chip stimulates output pin to connect, and the other end is connect with detection resistance；One end of detection resistance is connect with capacitance, separately
One end is connect with signal generator；The voltage waveform that detection module is used to will test resistance is extracted, amplification, is exported.But the device
Structure is complicated, at high cost.
Utility model content
The purpose of this utility model is exactly to provide a kind of artificial cochlea to overcome the problems of the above-mentioned prior art
Implant auxiliary electrode earth leakage tester.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of artificial cochlear implant auxiliary electrode earth leakage tester, for testing the drain conditions of auxiliary electrode, institute
Auxiliary electrode one end is stated to draw silk, including medical titanium tube, divider resistance, signal source and oscillograph, is filled out in the medical titanium tube
Filled with conduction liquid, the middle section of the auxiliary electrode is immersed in the conduction liquid, and both ends extend to outside the conduction liquid, institute
It states signal source to connect with lead-out wire, described divider resistance one end is connect with medical titanium tube, other end ground connection, the oscillograph connection
In divider resistance both ends；
By comparing the resistance value of divider resistance and leak resistance, judge whether the leakage current of auxiliary electrode meets the requirements.
Further, the medical titanium tube is a swan-neck.
Further, the divider resistance is connected on the outside of the swan-neck.
Further, the conduction liquid is medical saline.
Further, the conduction liquid is 9% medical saline.
Further, the divider resistance makes the smallest resistance of insulation performance using resistance value.
Compared with prior art, the utility model have with following the utility model has the advantages that
1) the utility model realizes that detection of electrical leakage, structure are simple using a titanium tube equipped with medical saline.
2) the utility model convenient test does not damage auxiliary electrode structure, can quickly be tested in actual products.
3) the utility model detects high reliablity, accurately judges platinum wire insulating properties and leakage property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
The present embodiment provides a kind of artificial cochlear implant auxiliary electrode earth leakage testers, for testing auxiliary electrode 6
Drain conditions, 6 one end of auxiliary electrode be draw silk C, the other end be platinum conducting sphere D.As shown in Figure 1, measuring device includes
Medical titanium tube 1, divider resistance 3, signal source 4 and oscillograph 5, medical titanium tube 1 is interior to be filled with conduction liquid 2, the centre of auxiliary electrode 6
Part is immersed in conduction liquid 2, and both ends extend to outside conduction liquid 2, and signal source 4 is connect with lead-out wire, 3 one end of divider resistance and doctor
It is connected with titanium tube 1, other end ground connection, oscillograph 5 is connected to 3 both ends of divider resistance；By comparing divider resistance 3 and leak resistance
Resistance value, judge whether the leakage current of auxiliary electrode 6 meets the requirements.
In the present embodiment, medical titanium tube 1 is a swan-neck, facilitates the placement of auxiliary electrode 6.
Divider resistance 3 can connect in any point of medical titanium tube 1, the present embodiment, and divider resistance 3 is connected to swan-neck
Outside, at A as shown in figure 1.
Conduction liquid 2 is medical saline.In the present embodiment, conduction liquid 2 is 9% medical saline.
It is now assumed that auxiliary electrode has electric leakage, as shown in Figure 1, being B point at electric leakage, because physiological saline is covered with titanium tube, B point
Can be connected by physiological saline with titanium tube inner casing any place conducting, and because titanium tube is electric conductor, B point and divider resistance
It is connected, positive pole is grounded by drawing silk B point at electric leakage, then to A point, then by divider resistance at this time, is formed one and is returned
Road.
Test method based on above-mentioned artificial cochlear implant auxiliary electrode earth leakage tester the following steps are included:
1) signal source 4 issues signal that voltage is Vs to lead-out wire, and in the present embodiment, setting voltage Vs is 1KHZ/
40Vpp；
2) voltage Vo, Vo=R0/ (R0+Rj) the * Vs at 3 both ends of divider resistance is obtained by the detection of oscillograph 5；
3) Vo >=1/2Vs is judged whether there is, if so, Rj≤R0, determines that auxiliary electrode has electric leakage, if it is not, then sentencing
Fixed electricity leakage current is met the requirements, wherein Vs is the voltage of signal source 4, and Rj is the resistance value of leak resistance, and R0 is divider resistance 3
Resistance value.The resistance value R0 of divider resistance 3 is selected as by the resistance value as defined in technical requirements when insulation performance minimum.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (6)
1. a kind of artificial cochlear implant auxiliary electrode earth leakage tester, for testing the drain conditions of auxiliary electrode (6), institute
State auxiliary electrode (6) one end for draw silk, which is characterized in that including medical titanium tube (1), divider resistance (3), signal source (4) and
Oscillograph (5), the medical titanium tube (1) is interior to be filled with conduction liquid (2), and the middle section of the auxiliary electrode (6) is immersed in institute
It states in conduction liquid (2), both ends extend to the conduction liquid (2) outside, and the signal source (4) connect with lead-out wire, the partial pressure electricity
Resistance (3) one end is connect with medical titanium tube (1), and other end ground connection, the oscillograph (5) is connected to divider resistance (3) both ends；
By comparing the resistance value of divider resistance (3) and leak resistance, judges whether the leakage current of auxiliary electrode (6) meets and want
It asks.
2. artificial cochlear implant auxiliary electrode earth leakage tester according to claim 1, which is characterized in that the doctor
It is a swan-neck with titanium tube (1).
3. artificial cochlear implant auxiliary electrode earth leakage tester according to claim 2, which is characterized in that described point
Piezoresistance (3) is connected on the outside of the swan-neck.
4. artificial cochlear implant auxiliary electrode earth leakage tester according to claim 1, which is characterized in that described to lead
Electro-hydraulic (2) are medical saline.
5. artificial cochlear implant auxiliary electrode earth leakage tester according to claim 4, which is characterized in that described to lead
Electro-hydraulic (2) are 9% medical saline.
6. artificial cochlear implant auxiliary electrode earth leakage tester according to claim 1, which is characterized in that described point
Piezoresistance (3) makes the smallest resistance of insulation performance using resistance value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550099.2U CN208969186U (en) | 2018-09-21 | 2018-09-21 | A kind of artificial cochlear implant auxiliary electrode earth leakage tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550099.2U CN208969186U (en) | 2018-09-21 | 2018-09-21 | A kind of artificial cochlear implant auxiliary electrode earth leakage tester |
Publications (1)
| Publication Number | Publication Date |
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| CN208969186U true CN208969186U (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821550099.2U Active CN208969186U (en) | 2018-09-21 | 2018-09-21 | A kind of artificial cochlear implant auxiliary electrode earth leakage tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116174A (en) * | 2018-09-21 | 2019-01-01 | 上海华聆人工耳医疗科技有限公司 | A kind of artificial cochlear implant auxiliary electrode earth leakage tester and method |
-
2018
- 2018-09-21 CN CN201821550099.2U patent/CN208969186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116174A (en) * | 2018-09-21 | 2019-01-01 | 上海华聆人工耳医疗科技有限公司 | A kind of artificial cochlear implant auxiliary electrode earth leakage tester and method |
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