A magnetic field generating device applied to magnetic bead adsorption

By designing magnetic field generating devices with inverted V-shaped and positive V-shaped structures, and combining them with real-time control of multiple iron core shafts and sensors, the problems of insufficient magnetic field strength and heat dissipation difficulties in existing devices have been solved. This has enabled efficient adsorption of nanoscale magnetic beads and adaptability to multiple particle sizes, thereby improving the efficiency and safety of biological experiments.

CN224536844UActive Publication Date: 2026-07-21LUNDA BIOTECHNOLOGY (CHANGSHA) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LUNDA BIOTECHNOLOGY (CHANGSHA) CO LTD
Filing Date
2025-09-02
Publication Date
2026-07-21

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Abstract

The utility model relates to the field of bioscience, specifically disclose a kind of magnetic field generating device applied to magnetic bead adsorption, comprising: bobbin;Coil, the coil is wound in insulating framework, and the coil is installed on bobbin by insulating framework sleeve set;The top of the bobbin is provided with opening, the inner wall of the opening is formed with flange in two sides protruding, two corresponding the flange between formation has the collection gap for installing catheter, the inner wall of opening in the flange below is set into mounting groove in two sides inverted V type, the inner wall of opening in the flange above is set into guide groove in two sides positive V type;Mounting groove and guide groove can effectively make magnetic field gather in collection gap, so that the magnetic potential generated by coil on iron core frame mainly falls in collection gap region, and generate as large as possible magnetic density, relative to the equipment of existing iron core surface as adsorption surface, can have stronger adsorption strength, to be suitable for smaller nano magnetic bead of particle size.
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