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Controlling Intraocular Pressure During Phacoemulsification Procedure

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Published March 25th, 2026
Detected April 1st, 2026
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Summary

The European Patent Office published patent EP4329686A1 for Johnson & Johnson Surgical Vision covering a method and device for controlling intraocular pressure during phacoemulsification procedures. The patent application names five inventors and includes International Patent Classifications A61F9/007, F16K31/06, F16K31/08, and A61M1/00. The patent is designated for all EU member states plus several additional European countries.

What changed

The EPO published patent application EP4329686A1 for a surgical device system designed to control intraocular pressure during phacoemulsification surgery. Johnson & Johnson Surgical Vision, Inc. is listed as the applicant with five named inventors. The patent covers electromagnetic valve mechanisms (F16K31/06, F16K31/08) integrated with aspiration systems (A61M1/00) for ophthalmic surgical applications. The filing is designated across 35 European states including all EU member states plus Switzerland, Norway, Turkey, and others.

This publication does not impose compliance obligations on third parties. Medical device manufacturers developing intraocular pressure control systems for cataract surgery should review the claims to assess potential freedom-to-operate implications or licensing opportunities. Patent prosecution timelines and potential oppositions may affect the final granted scope.

Source document (simplified)

← EPO Patent Bulletin

CONTROLLING INTRAOCULAR PRESSURE DURING PHACOEMULSIFICATION PROCEDURE

Publication EP4329686A1 Kind: A1 Mar 25, 2026

Applicants

Johnson & Johnson Surgical Vision, Inc.

Inventors

GOVARI, Assaf, ALGAWI, Yehuda, AHARON, Eran, SITNITSKY, Ilya, FUCHS, Amit

IPC Classifications

A61F 9/007 20060101AFI20221104BHEP F16K 31/06 20060101ALI20221104BHEP F16K 31/08 20060101ALI20221104BHEP A61M 1/00 20060101ALI20221104BHEP

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

Controlling Intraocular Pressure During Phacoemulsification Procedure

Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4329686A1

Who this affects

Applies to
Medical device makers
Industry sector
3345 Medical Device Manufacturing
Activity scope
Patent Publication Medical Device Technology Surgical Equipment
Geographic scope
European Union EU

Taxonomy

Primary area
Medical Devices
Operational domain
Legal
Topics
Healthcare Intellectual Property

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