Abstract: An arsenic trioxide medical elution scaffold and preparation method thereof, wherein the arsenic trioxide medical elution scaffold comprises scaffold, polymer coating covering the scaffold and arsenic trioxide loaded in the polymer coating which is in the form of single particle or particle conglomeration island. Animal experiments testify that the medical release of the arsenic trioxide medical elution scaffold is suitably uniform, and can be controlled to meet clinic requirement.

Abstract: An electrophysiology ablation device includes a catheter sleeve (1), an electrode sleeve (2), a steering ball sleeve (4), a central rod (6), an ablation electrode (3) and a steering ball (5). The catheter sleeve (1), the electrode sleeve (2), the steering ball sleeve (4) and the central rod (6) are muff-coupled together, and the steering ball (5) can be deployed radially to define a meshed spherical shape, in order to steer the positioning of the ablation electrode (3) which can be deployed to define a meshed disk shape, so the ablation electrode (3) can be positioned at the ostium of the pulmonary vein accurately.

Abstract: An electrophysiology ablation device includes a catheter sleeve (1), an electrode sleeve (2), a steering ball sleeve (4), a central rod (6), an ablation electrode (3) and a steering ball (5). The catheter sleeve (1), the electrode sleeve (2), the steering ball sleeve (4) and the central rod (6) are muff-coupled together, and the steering ball (5) can be deployed radially to define a meshed spherical shape, in order to steer the positioning of the ablation electrode (3) which can be deployed to define a meshed disk shape, so the ablation electrode (3) can be positioned at the ostium of the pulmonary vein accurately.

Abstract: An arsenic trioxide medical elution scaffold and preparation method thereof, wherein the arsenic trioxide medical elution scaffold comprises scaffold, polymer coating covering the scaffold and arsenic trioxide loaded in the polymer coating which is in the form of single particle or particle conglomeration island. Animal experiments testify that the medical release of the arsenic trioxide medical elution scaffold is suitably uniform, and can be controlled to meet clinic requirement.