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3D printing intravascular stenet conveyor

A vascular stent and 3D printing technology, which is applied in the field of 3D printed vascular stent delivery device, can solve problems affecting the accuracy of surgery, etc., and achieve the effect of easy intelligent control, avoiding inaccuracy, and simple structure

Pending Publication Date: 2019-02-05
THE FIRST AFFILIATED HOSPITAL OF ARMY MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The whole process is done manually by the operator, and the accuracy of the movement is controlled by the experience of the operator. In the long-term operation, errors will inevitably occur, which will affect the accuracy of the operation.

Method used

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  • 3D printing intravascular stenet conveyor
  • 3D printing intravascular stenet conveyor
  • 3D printing intravascular stenet conveyor

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Embodiment Construction

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0040] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention relates to a 3D printing intravascular stent conveyor, and belongs to the technical field of devices for providing openings for a human body tubular structure or preventing collapse. Theconveyor comprises a conveyor body. The conveyor body comprises a shell, a driving mechanism and a throwing mechanism. The shell is a cylindrical thin shell with one open end and one closed end. Theopen end of the shell is provided with a stent storage chamber for containing an intravascular stent, the closed end of the shell is provided with a driving mechanism storage chamber for containing the driving mechanism, the throwing mechanism is arranged between the stent storage chamber and the driving mechanism storage chamber, the driving mechanism comprises a two-way driving pump and a driving motor, and the throwing mechanism comprises a multi-stage hydraulic cylinder and a pushing block which are coaxially arranged. Due to the creative design, the conveyor can accurately convey and place stents to the preset position, and can return the stents safely, the mechanical operation of the whole process is achieved, and the high practical value is achieved.

Description

technical field [0001] The invention relates to the technical field of devices for providing openings or preventing collapse of tubular structures of the human body, and in particular to a 3D printed vascular stent delivery device. Background technique [0002] The stent intervention method has the advantages of less trauma, fewer complications, and better results, and is the main method for treating vascular stenosis. Stent intervention usually requires the use of a delivery mechanism to implant a vascular stent into the body. [0003] The existing delivery mechanism generally includes a catheter assembly and a handle part connected to each other. The catheter assembly usually includes an outer tube and an inner tube. The vascular stent can be arranged between the inner tube and the outer tube. The guide wire passes through; the handle part includes a housing suitable for holding and a driving assembly for driving the inner tube to reciprocate, the outer sleeve is fixed to...

Claims

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Application Information

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IPC IPC(8): A61F2/962
CPCA61F2/962A61F2/9522Y02P10/25
Inventor 胡俊王富友陈康宁范华全张志辉吴敏李颖
Owner THE FIRST AFFILIATED HOSPITAL OF ARMY MEDICAL UNIV
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