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Multimodal vascular robot based on giant electrorheological fluids

A giant electrorheological fluid and robot technology, applied in pharmaceutical devices, other medical devices, medical science, etc., can solve the problems of low cleaning efficiency, single function, blocked blood vessels, etc., to simplify the structure, increase the working mode, and dredge The effect of thrombus

Active Publication Date: 2019-01-18
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, similar vascular robots still have problems such as large volume, blockage of blood vessels, single function, use of a single pump to clean the blood vessel wall, and low cleaning efficiency.

Method used

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  • Multimodal vascular robot based on giant electrorheological fluids
  • Multimodal vascular robot based on giant electrorheological fluids
  • Multimodal vascular robot based on giant electrorheological fluids

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] As a new type of intelligent material, electrorheological fluid (ERF) has distinct characteristics and advantages. Its rheological properties that vary with electric field intensity mean that it has broad market prospects.

[0033] Electrorheological fluid is a general term for a type of liquid. The viscosity of the colloid will increase significantly with the increase of the electric field strength. When the electric field increases to a threshold value...

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Abstract

The invention discloses a multimodal vascular robot based on giant electrorheological fluids. The vascular robot comprises a fuselage body, hand pawls uniformly arranged on the fuselage body through rotating joints, and a variable pump, an ultrasonic motor and a micro motor arranged in the fuselage body. The hand claws and rotating joints are hollow structure. A passage communicating with the variable displacement pump through the rotating joint is arranged in the cavity of the hand pawl. The front portion of the rotary joint comprises a plurality of identical first semi-cylindrical tables andthe rear portion comprises a plurality of identical second semi-cylindrical tables. And a gap exists between adjacent two first semi-cylindrical tables and between adjacent two second semi-cylindrical tables. The cavity of the rotating joint and the cavity of the paw are filled with giant electrorheological fluids. The robot utilizes the giant electrorheological fluid in the blood vessel robot, simplifies the structure of the rotating joint, enhances the support strength of the hand pawl, and increases the working mode of the blood vessel robot, and has the functions of dredging the thrombus,removing the arterial fat deposit, supporting the blood vessel and the like.

Description

technical field [0001] The invention relates to the technical field of novel intelligent materials and vascular robots, in particular to a multi-mode vascular robot based on giant electrorheological fluid. Background technique [0002] Vascular robot is a micro-robot that can enter blood vessels and move freely in blood vessels. It can complete the work of removing thrombus, resecting tumors, and administering drugs in blood vessels. It is of great significance to the prevention and treatment of cardiovascular diseases. Hotspots in the field of micro-robot research. [0003] At present, a variety of vascular robots have been developed in the world. For example, Korean researchers have developed a "vascular robot" that can move freely in blood vessels and remove blood clots. This robot is driven by an external magnetic field and rotates 20 to 30 times per second. , can move freely in thick blood vessels such as coronary arteries, large veins and large arteries, and rotate to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/22A61B17/00A61B1/04A61M31/00
CPCA61B1/041A61B17/00234A61B17/22A61B2017/00345A61B2017/22001A61M31/002A61M2210/12A61M2210/005
Inventor 张泉东益冲蒲华燕王敏彭艳罗均谢少荣刘娜刘媛媛
Owner SHANGHAI UNIV
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