Implantable medical device delivery device and control method thereof

Abstract

The invention relates to an implantable medical device conveying plant and a control method thereof. The conveying plant comprises a shell, a sliding part, a long pipe and a gear, wherein the sliding part, the long pipe and the gear are arranged in the shell, the sliding part is arranged on the long pipe in a penetrating mode, one side of the sliding part is provided with a rack meshed with the gear, the side face of the shell is provided with a window, the flange of the gear protrudes out of the window, the front end of the sliding part is connected with an outer pipe of a clamping support, the front end of the long pipe is connected with an inner pipe sleeved with the outer pipe, the rear end of the long pipe is connected with a long pipe sleeve, the long pipe sleeve is arranged at the rear end of the shell in an embedded mode, and the sliding part is further connected with a rapid stirring mechanism. The control method comprises the steps that the sliding part firstly abuts against the front end of the shell, the gear is stirred to slowly move the sliding part backwards to enable the support to be released slowly, then the rapid stirring mechanism is stirred to rapidly move the sliding part backwards, the sliding part enables the support to be rapidly released, therefore, interference in dynamic blood flowing of the human body and elastic expansion of the support is avoided, the installation position of the support is accurately located, the support can be released more easily and accurately, and releasing accuracy of the support is improved.

Description

technical field [0001] The invention belongs to the field of medical equipment, and in particular relates to an implanted medical equipment delivery device and a control method thereof. Background technique [0002] Endovascular isolation techniques have been increasingly used in the treatment of diseases in the thoracic aorta, abdominal aorta, etc., and in other surgical operations. Endovascular isolation technology generally uses percutaneous intervention to deliver devices such as stents into blood vessels or other body passages in the patient's body. It does not require incision of the patient's chest or abdominal cavity. It has the advantages of less trauma and shorter operation time, and is very popular. To deliver the stent into the body channel, a special stent delivery device is required. For example, U.S. patent document US6019778A discloses a "self-expanding stent delivery device", which includes a coaxially arranged inner tube and an outer tube and an elongated ...

AI Technical Summary

Problems solved by technology

[0003] The present invention mainly solves the technical problem that the original stent delivery device is easily disturbed by the dynamic blood flow and the elastic expansion force of the stent, and it is difficult to accurately release the stent, resulting in inaccurate positioning of the stent and affecting the release accuracy of the stent; it provides an implanted medical device The delivery device and its use method can avoid the interference of dynamic blood flow and the elastic expansion force of the stent, accurately locate the installation position of the stent, and achieve the purpose of releasing the stent more easily and accurately

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