Brain electrode device and preparation method thereof

The invention discloses a brain electrode device and a preparation method thereof.The brain electrode device comprises a signal processing structure and a brain electrode structure, the signal processing structure is connected with the brain electrode structure, the brain electrode structure is used for collecting brain electrical signals, and the signal processing structure comprises a circuit board and a flexible connection structure; the output end of the flexible connection structure is detachably connected with the circuit board, the input end of the flexible connection structure is electrically connected with the brain electrode structure, the circuit board forms at least one U-shaped structure, and the flexible connection structure is folded. According to the embodiment of the invention, in the signal processing structure of the brain electrode device, the space occupation of the signal processing structure in the brain electrode device can be reduced by forming the folded circuit board of at least one U-shaped structure and the folded flexible connection structure, so that the internal structure layout of the brain electrode device is compact, and the reliability of the brain electrode device is improved. The size of the device is reduced, and carrying inconvenience caused by overlarge size is avoided.

The abstract as published by the patent office, from CN119770051A. It describes the invention; it is not a statement of what is protected.

• Interface and electrodes

  Electrodes and arrays

• Implant electronics

  Implant electronics

• Signal processing

  Signal processing

What the filing appears to be about, read by published rules from its title, abstract and classification codes. The claims define what a patent protects, and they are not read here.

Interface and electrodes

Everything downstream works with what the contacts pick up. Their number, size and distance from the neurons set the ceiling on the signal. The problem behind it: more contacts, closer to neurons, that still record after years in tissue that reacts to them.

Implant electronics

An implant has room for very little, so functions that fill a rack in the laboratory have to fit on a chip. The problem behind it: fitting channel count, computing and safety functions into a volume and a heat budget the body accepts.

Signal processing

A decoder is only as good as the features it is given, and recordings drift and pick up noise from movement, muscle and stimulation. The problem behind it: stable features from signals that change from day to day, computed fast enough to act on.

Why the layer matters to the field, not a judgement of this filing. A patent family shows that protection was sought. It does not show that the technology was built, is used in a product, or works in people. The whole stack

One invention, published 2 times in 1 office. Each publication opens in Espacenet.

• ChinaCN119770051A8 Apr 2025CN119770051B23 Jun 2026 · grant

1. 11 Dec 2024First filingEarliest priority, at China. The family is counted in this year.
2. 8 Apr 2025First publicationCN119770051A, China.
3. 23 Jun 2026Grant publishedCN119770051B, China.

Dates as the offices published them. Office records are in the offices' own words and are a selection: refusals, lapses and withdrawals, and records that name an owner. Each concerns one member of the family, not the family as a whole, and another member in the same office may stand. Whether a patent is in force today is not assessed.

Organisation

NeuroXess · 65 families identified

• Bibliographic data, family members and office records: European Patent Office, Open Patent Services (the DOCDB and INPADOC databases), read 7 Oct 2026.
• The record itself, with its claims and description: CN119770051A in Espacenet
• Counted as a BCI patent family: classified A61B5/369 (electroencephalography); filed by 上海脑虎科技有限公司, an organisation already in the graph; describes neural hardware or methods without naming the field. How families are found and judged