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公开(公告)号：US20230068563A1
公开(公告)日：2023-03-02
申请号：US17899320
申请日：2022-08-30
申请人： Stereotaxis, Inc.
IPC分类号： A61B18/14
摘要： Embodiments described herein relate to magnetically steerable irrigated ablation catheters and methods of operating the same. A steerable catheter can include a distal tip including a first set of magnets. The steerable catheter further includes a shaft. The shaft includes a flexible section with a distal end coupled to the distal tip. The shaft further includes a second set of magnets spaced along a length of the flexible section and spaced from the first set of magnets such that the first and second sets of magnets collectively enable the flexible section to curve without kinking in response to a magnetic field being applied to the first and second set of magnets. In some embodiments, each magnet from the second set of magnets can be coupled to the flexible section via metallic elements disposed at the ends of each magnet.
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公开(公告)号：US20230071158A1
公开(公告)日：2023-03-09
申请号：US17900916
申请日：2022-09-01
申请人： Stereotaxis, Inc.
摘要： Methods described herein can include drawing materials to form a drawn filled tubing (DFT) wire. The materials can include a core material, a first layer of a biocompatible material disposed exterior to the filler material, a magnetic material disposed external to the first layer of biocompatible material, and a second layer of biocompatible material disposed exterior to the magnetic material. In some embodiments, the method further comprises melting the core material to form a magnet with a through hole lumen. In some embodiments, the method can further include applying an external magnetic field to the materials during the drawing to align grains of the magnetic material. In some embodiments, the core material can have a melting point lower than a melting point of the magnetic material and the biocompatible material.
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