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Dose Delivery Mechanism with Spinning Through Prevention

Favicon for changeflow.com ChangeBridge: EPO Bulletin - Medical Devices (A61M)
Published March 25th, 2026
Detected April 1st, 2026
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Summary

The European Patent Office published patent EP3911384A1 for medmix Switzerland AG on March 25, 2026. The patent covers a dose delivery mechanism with a spinning through prevention mechanism, classified under A61M 5/315. The invention is designated across 33 European Patent Convention member states and Switzerland.

What changed

The EPO published patent application EP3911384A1 filed by medmix Switzerland AG (inventor: Joachim Keitel) covering a dose delivery mechanism with spinning through prevention. The patent relates to medical device technology classified under A61M 5/315, addressing dosing precision issues in drug delivery systems. The patent is designated across European states including DE, FR, GB, IT, ES, NL, and others.\n\nHealthcare providers and manufacturers utilizing dose delivery devices should evaluate whether this patent affects existing products or development plans. No immediate compliance action is required; this is a publication notice of intellectual property rights rather than a regulatory requirement. Entities developing similar dose delivery mechanisms should review freedom-to-operate implications.

Source document (simplified)

← EPO Patent Bulletin

DOSE DELIVERY MECHANISM WITH SPINNING THROUGH PREVENTION

Publication EP3911384A1 Kind: A1 Mar 25, 2026

Applicants

medmix Switzerland AG

Inventors

KEITEL, Joachim

IPC Classifications

A61M 5/315 20060101AFI20201016BHEP

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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Source

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

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
EP3911384A1

Who this affects

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

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Medical Devices Healthcare

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