Electrode lead guiding sheath

By incorporating a bending wire channel, tear groove, and clamping device within the electrode lead guide sheath, combined with a flexible tip tube and ultrasound-detectable material, the issues of precision and synchronous rotation during electrode lead implantation were resolved, achieving precise implantation within the heart and reducing X-ray exposure.

CN224156181UActive Publication Date: 2026-04-24BEIJING WAVECOND TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520981566.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2026-04-24
Estimated Expiration
2035-05-19

AI Technical Summary

Technical Problem

During electrode lead implantation, how can we ensure that the electrode lead is accurately placed in the heart, reduce the risk of X-ray exposure to patients and doctors during the implantation process, and achieve synchronous rotation and controllable implantation of the electrode lead and guide sheath?

Method used

By setting a bending steel wire channel and a tearing groove inside the sheath body, combined with a flexible tip tube and ultrasonic imaging material, a clamping device is used to achieve synchronous rotation of the electrode lead and the sheath body. The electrode rotation device enables real-time monitoring of the electrode lead and controllability of the implantation process.

Benefits of technology

This technology enables precise implantation of electrode leads within the heart, reducing the risk of X-ray exposure, improving implantation accuracy and efficiency, and ensuring the synchronous rotation and controllability of the electrode leads and guide sheath.

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Abstract

The utility model relates to the technical field of cardiovascular intervention. The utility model provides an electrode wire guiding sheath. The electrode wire guiding sheath comprises a handle provided with a bending adjusting piece and a sheath tube body. The near end of the sheathing canal body is connected with the handle, a bending adjusting steel wire channel extending from the near end to the far end is arranged in the canal wall of the sheathing canal body, the bending adjusting steel wire is arranged in the bending adjusting steel wire channel, and the bending adjusting steel wire is connected with a bending adjusting piece of the handle at the near end of the sheathing canal body so that bending of the bending adjusting steel wire can be adjusted through the bending adjusting piece. A tearing line groove extending from the near end to the far end is further formed in the pipe wall of the sheathing pipe body, and the tearing line groove and the bending adjusting steel wire channel do not coincide. According to the guide sheath, the electrode wire can be shaped through the bending adjusting piece and the bending adjusting steel wire, meanwhile, the tearing line groove is formed in the tube wall of the sheath tube body, the tearing line groove and the bending adjusting steel wire do not interfere with each other, and the sheath tube body can be conveniently withdrawn after the electrode wire is implanted into the heart.
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