Implantation system and method for implanting flexible neural electrode

The present application provides an implantation system and method for implanting a flexible neural electrode. The implantation system comprises a flexible neural electrode and an auxiliary implantation assembly. The flexible neural electrode is provided with an auxiliary implantation part. The auxiliary implantation assembly comprises a cannula assembly and a guide wire, the cannula assembly comprises an inner cannula and an outer cannula, the guide wire has a retracted state in which it is retracted within the inner cannula and an extended state in which it penetrates out of a distal end of the inner cannula, and an extended end of the guide wire is connected to the auxiliary implantation part. Wherein, when the guide wire is in the retracted state, the flexible neural electrode is in a curled state in which it is curled between the inner cannula and the outer cannula; when the guide wire is in the extended state, the flexible neural electrode moves to an intended target area along with the guide wire and unfolds, so as to transition from the curled state to an unfolded state. The above structure can achieve the objective of implantation through a small slit on the target object, and can ensure precise implantation and flat adherence of flexible neural electrodes on the surface of the implant by strategy of the auxiliary implantation assemblies.

The abstract as published by the patent office, from US12433638B1. It describes the invention; it is not a statement of what is protected.

• Surgical access

  Insertion tools and robots

• Interface and electrodes

  Electrodes and arrays

• Implant electronics

  Implant electronics

What the filing appears to be about, read by published rules from its title, abstract and classification codes (A61B17/3421, A61B17/3423, A61B17/3468, A61B5/263, A61B5/279). The claims define what a patent protects, and they are not read here.

Surgical access

A probe soft enough for the brain to tolerate is too soft to push in by hand, and each route into the head has its own risk. The problem behind it: placing many contacts exactly, without injuring tissue or vessels, in an operation short and repeatable enough to offer widely.

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.

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 4 times in 2 offices. Each publication opens in Espacenet.

• ChinaCN118121281A4 Jun 2024CN118121281B21 Jan 2025 · grant
• United StatesUS12433638B17 Oct 2025 · grantUS20250312062A19 Oct 2025

1. 9 Apr 2024First filingEarliest priority, at China. The family is counted in this year.
2. 4 Jun 2024First publicationCN118121281A, China.
3. 21 Jan 2025Grant publishedCN118121281B, China.
4. 8 Apr 2025ApplicationFiled at United States.
5. 8 Apr 2025Owner recordedUnited States, on US12433638B1: assignment; owner named: BCIFLEX MEDICAL TECHNOLOGY CO., LTD., CHINA.
6. 7 Oct 2025Grant publishedUS12433638B1, United States.

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

BCIFlex · 24 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: US12433638B1 in Espacenet
• Counted as a BCI patent family: classified A61B5/293 (invasive electrodes for brain recording); filed by 北京智冉医疗科技有限公司, an organisation already in the graph; describes neural hardware or methods without naming the field; cites a family already accepted. How families are found and judged