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Patent EP4169467B1: Path planning device for cryoablation

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Published March 18th, 2026
Detected March 24th, 2026
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Summary

The European Patent Office has granted patent EP4169467B1 for a path planning device for multi-needle joint cryoablation. The patent, listing Chen Chi and Qianfu Huang as inventors, is designated for several European states and includes classifications related to medical imaging, AI, and computing.

What changed

The European Patent Office (EPO) has granted patent EP4169467B1, titled 'Path planning device for multi-needle joint cryoablation.' This patent, effective March 18, 2026, covers an invention related to medical devices and incorporates classifications in AI and computing (G06N). The patent is designated for multiple European states, indicating its potential cross-border applicability within the EU.

This grant signifies the formal recognition of intellectual property rights for a specific technological innovation in the medical field. For medical device manufacturers and healthcare providers operating within the designated states, this patent may impact the development, manufacturing, and deployment of similar cryoablation technologies. Compliance officers should note this patent's existence as it may influence product roadmaps, licensing agreements, and freedom-to-operate analyses concerning related medical devices.

Source document (simplified)

← EPO Patent Bulletin

PATH PLANNING DEVICE FOR MULTI-NEEDLE JOINT CRYOABLATION

Grant EP4169467B1 Kind: B1 Mar 18, 2026

Inventors

CHI, Chen, HUANG, Qianfu

IPC Classifications

A61B 34/10 20160101AFI20241218BHEP A61B 18/02 20060101ALI20241218BHEP G16H 20/40 20180101ALI20241218BHEP G16H 30/40 20180101ALI20241218BHEP G16H 50/20 20180101ALI20241218BHEP A61B 18/00 20060101ALN20241218BHEP G06N 3/04 20230101ALN20241218BHEP G06N 3/126 20230101ALN20241218BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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Named provisions

PATH PLANNING DEVICE FOR MULTI-NEEDLE JOINT CRYOABLATION

Classification

Agency
EPO
Published
March 18th, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
EP4169467B1

Who this affects

Applies to
Medical device makers
Industry sector
3345 Medical Device Manufacturing
Activity scope
Medical Device Development
Geographic scope
European Union EU

Taxonomy

Primary area
Healthcare
Operational domain
Product Development
Topics
Medical Devices Artificial Intelligence

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