Modularly expandable plasma system for controlled eradication of ectoparasites, in particular in livestock farming

The device uses dielectrically hindered discharges and cold atmospheric pressure plasma to directly inactivate ectoparasites in their hiding places, addressing the limitations of chemical treatments and ensuring efficient, safe, and environmentally friendly pest control.

WO2026093225A1 Publication Date: 2026-05-07HOCHSCHULE FUR ANGEWANDTE WISSENSCHAFT & KUNST HILDESHEIM HOLZMINDEN GOTTINGEN
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Patent Information

Application Number
PCT/EP2025/080993
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-10-29
Filing Date
2025-10-27
Publication Date
2026-05-07

AI Technical Summary

Technical Problem

Existing methods for controlling ectoparasites, such as red mites, in livestock farming often require the use of chemical acaricides, which can be harmful, and the treatment is ineffective until the parasites are removed from their environment, posing health risks and environmental contamination.

Method used

A device with parasite traps equipped with electrodes and a high-voltage source that generates dielectrically hindered discharges or cold atmospheric pressure plasma in entry holes to directly inactivate ectoparasites without chemicals, using varying voltage amplitudes and frequencies to minimize electromagnetic interference and facilitate easy removal of dead parasites.

Benefits of technology

The device effectively kills ectoparasites at all stages of their development, reduces health and environmental hazards, and minimizes electromagnetic interference, allowing for efficient and safe treatment without continuous exposure.

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Abstract

The invention relates to a device (1) for combating infestation with ectoparasites, comprising a plurality of parasite traps (2) which are to be distributed in the spatial region (3) of the infestation and which each have a plurality of slip holes (7) arranged next to one another, wherein each of the slip holes (7) has a free cross-section with a maximum diameter and a minimum diameter in the diameter range of 0.5 to 5 mm, the majority of the slip holes (7) are formed between a first electrode (10) provided with a dielectric shielding (8) and a second electrode (10) that can be removed from the first electrode (9), and the first electrodes (9) and the second electrodes (10) of the plurality of parasite traps (2) are wired or can be wired to a high voltage source (6), wherein the high voltage source (6) is designed to apply a voltage (22) of this type of varying amplitude between the first electrodes (9) and second electrodes (10) such that dielectric barrier discharge occurs in the slip holes (7).
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