Title:
GRAPHENE COCHLEAR IMPLANT ELECTRODE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/007922
Kind Code:
A1
Abstract:
A graphene cochlear implant electrode and a manufacturing method therefor. The electrode comprises a tip portion (1), a bending portion (2), contact electrodes, an electrode carrier (5), and an electrode wire (6). The tip portion (1) is provided at the foremost part of the cochlear implant electrode, the electrode carrier (5) encloses the electrode wire (6) and partially encloses the contact electrodes which are connected individually to the electrode wire (6). The bending portion (2) is an circular groove provided on the electrode carrier (5). The contact electrodes each comprise an inner contact (3) and an outer contact (4). The inner contact (3) faces the modiolus when the electrode is bent during use, and the outer contact (4) faces away from the modiolus. The electrode wire (6) is wave-shaped. This solution enhances the surface biological activity of the contact electrode, so that the contact electrode facilitates the adhesion, proliferation, and differentiation of cells, and at the same time facilitates the formation and integration of peripheral nerves as an implant material, thereby achieving the purpose of improving the biological activity and biocompatibility of the surface of the cochlear implant contact electrode.
Inventors:
QIAN XIAOYUN (CN)
QI SHUQI (CN)
GAO XIA (CN)
SUN XIAOAN (CN)
CHAI RENJIE (CN)
QI SHUQI (CN)
GAO XIA (CN)
SUN XIAOAN (CN)
CHAI RENJIE (CN)
Application Number:
PCT/CN2019/102227
Publication Date:
January 21, 2021
Filing Date:
August 23, 2019
Export Citation:
Assignee:
ZHEJIANG NUROTRON BIOTECHNOLOGY CO LTD (CN)
NANJING DRUM TOWER HOSPITAL (CN)
NANJING DRUM TOWER HOSPITAL (CN)
International Classes:
A61N1/05
Foreign References:
| CN108421159A | 2018-08-21 | |||
| CN108837301A | 2018-11-20 | |||
| CN109350847A | 2019-02-19 | |||
| CN102583339A | 2012-07-18 | |||
| DE102011112087A1 | 2013-03-07 |
Other References:
"Research Claims Graphene Electrode Contributes to Repair Perceptive Functions", LUZHOU KEJI, no. 01, 15 March 2016 (2016-03-15), DOI: 9260305
Attorney, Agent or Firm:
HANGZHOU TIANHAO PATENT AGENCY CO. LTD (CN)
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