USPTO Patent Application: Perfusion Pump with Occlusion Detection

ChangeBridge: Patent Apps - Medical Devices (A61M)

Published December 4th, 2025

Detected March 26th, 2026

Summary

The USPTO has published a patent application (US20260083890A1) for a perfusion pump with automatic occlusion detection and controlled adjustment. The application details a roller pump design incorporating sensors to measure pressure and adjust roller block movement to occlude a fluid conduit.

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What changed

This document is a publication of a patent application filed by inventors Jonas Heiberger, Jens Schröter, and Frank Stickel. The application, US20260083890A1, describes a novel perfusion pump design featuring an occlusion adjustment mechanism and a sensor arrangement for automatic occlusion detection and controlled adjustment of fluid conduit compression. The filing date was December 4, 2025.

As this is a patent application, it does not impose any immediate regulatory requirements or compliance deadlines on regulated entities. However, it represents a potential future innovation in medical device technology, particularly for drug delivery and patient monitoring systems. Companies in the medical device and pharmaceutical sectors may wish to track the progress of this application as it could influence future product development and market offerings.

Source document (simplified)

← USPTO Patent Applications

PERFUSION PUMP WITH AUTOMATIC OCCLUSION DETECTION AND CONTROLLED ADJUSTMENT

Application US20260083890A1 Kind: A1 Mar 26, 2026

Inventors

Jonas HEIBERGER, Jens SCHRÖTER, Frank STICKEL

Abstract

A roller pump including a pump head operably connected to be driven by a pump drive, wherein the pump head includes: a pump stator; a pump rotor disposed to rotate within the pump stator, wherein the pump rotor includes one or more rollers, wherein each roller is connected to a respective roller block that is moveable radially with respect to a central axis of the pump head; an occlusion adjustment mechanism, connected to the roller block of each roller, wherein the occlusion adjustment mechanism operates to move each roller block radially with respect to the central axis of the pump head in order to compress and partially occlude a compressible fluid conduit disposed within the raceway; and a sensor arrangement configured to measure a pressure exerted by the roller block of at least one roller when the compressible fluid conduit is compressed by one or more of the rollers.