Deflectable sheathing canal and delivery system with deflectable sheathing canal

Abstract

The invention discloses a deflectable sheathing canal and a delivery system with the deflectable sheathing canal, wherein the deflectable sheathing canal comprises a canal body; the canal body is provided with a far end and a near end; a reinforcing rib and a traction wire are arranged in the canal wall of the canal body along the axial direction; a far end of the traction wire is fixedly arranged on the far end of the canal body; a near end of the traction wire extends out of the canal body and is used for being connected with an operation handle; the delivery system comprises the deflectable sheathing canal, a sheath core and the operation handle; the sheath core is arranged in the sheathing canal; the operation handle is fixed with the near ends of the deflectable sheathing canal and the sheath core; the near end of the traction wire is fixedly arranged on the operation handle. The deflectable sheathing canal provided by the invention contributes to adjusting the far end direction of the sheathing canal; the controllability of the far end bending direction of the sheathing canal is improved; the movement of the far end of the sheathing canal towards a diseased region can be easily controlled.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to an adjustable curved sheath tube and a delivery system with the adjustable curved sheath tube. Background technique [0002] Interventional surgery causes little trauma to the human body and is less invasive. It is a medical technology that has been rapidly emerging and promoted in recent years. A channel is established between the lesion site and the external operation terminal to introduce diagnostic and therapeutic instruments, drugs, implanted devices, etc. to the lesion site. The interventional diagnosis and treatment sheath has a distal end and a proximal end. The distal end can enter the vascular system of the human body, and the proximal end is connected to the operating handle. Other auxiliary instruments are punctured into the blood vessel, and the physician controls the distal end of the sheath along the pre-established guide wire track to the lesi...

AI Technical Summary

Problems solved by technology

[0008] Although the catheter (i.e., sheath) with the above structure allows the doctor to actively change the curvature of the catheter and realize the bending of the distal end of the catheter at any angle of 360°, in actual operation, due to the deflection of the distal end angle of the sheath, the distal end can be bent The coordination between the direction and the target position needs to be reconfirmed and adjusted, and the image of interventional treatment is often a planar projection image, which greatly increases the dependence on the doctor's experience in the actual operation process

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