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The BCI Briefing

Patent familyBCI, high confidence

Thermal management implantable brain-computer interface device and packaging method thereof

Filed by Chinese Institute for Brain Research and NeuCyber NeuroTech, first in 2025.

Granted · CNView in Espacenet
Earliest priority
31 Jul 2025 · China
Status
A grant was published in China, first on 12 Dec 2025
Published in
China
Registered as
INST FOR BRAIN SCIENCE AND BRAIN · 北京脑科学与类脑研究所 · BEIJING XINZHIDA NERVE TECH CO LTD · 北京芯智达神经技术有限公司
Inventors
罗敏敏 · 张垒 · 敖永贤 · 王旋 · 孙雪婷 · 丁琦
Family
DOCDB 96826633 · 2 publications

What it concerns

The invention relates to a thermal management implantable brain-computer interface device and a packaging method thereof. The thermal management implantable brain-computer interface device comprises a first shell in contact with scalp tissue and a second shell in contact with skull or brain tissue, the first shell and the second shell are matched to form a sealed shell packaging piece, and a brain-computer interface device electronic element is accommodated in the shell packaging piece; the first shell is made of a good thermal conductor; and the second shell is made of a poor thermal conductor. According to the thermal management implantable brain-computer interface device, on the premise that the equipment size is not increased and the performance of the device is not reduced, shell materials with different thermal properties are adopted for packaging, heat is prevented from being mainly diffused to brain tissue, and heat damage to the brain tissue is reduced to the maximum extent.

The abstract as published by the patent office, from CN120549501A. It describes the invention; it is not a statement of what is protected.

Protection themes

  • Interface and electrodes

    Electrodes and arrays

  • Packaging

    Packaging and hermeticity

  • Decoding

    Neural decoding

What the filing appears to be about, read by published rules from its title, abstract and classification codes (A61B5/291, A61B5/293, A61B5/386, G06F3/015, G16H40/60). The claims define what a patent protects, and they are not read here.

Why it matters

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.
Packaging
Body fluid destroys unprotected electronics. An implant meant to last has to stay sealed for years while passing every channel through its wall. The problem behind it: a seal that lasts as long as the patient needs it, at a size that leaves room for the channels.
Decoding
This is the step that turns brain activity into a command or a word. Its accuracy and speed are what a user experiences. The problem behind it: accuracy that holds over months without frequent recalibration, for more than one user and one task.

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

The family

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

Timeline

  1. 31 Jul 2025First filingEarliest priority, at China. The family is counted in this year.
  2. 29 Aug 2025First publicationCN120549501A, China.
  3. 12 Dec 2025Grant publishedCN120549501B, 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.

Sources

  • 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: CN120549501A in Espacenet
  • Counted as a BCI patent family: title or abstract names the field; classified G06F3/015 (input arrangements based on nervous-system activity); filed by 北京芯智达神经技术有限公司, an organisation already in the graph. How families are found and judged