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Vascular robot for cleaning thrombus

A technology of robots and micro-robots, applied in the field of vascular robots, can solve the problems such as the inability of vascular robots to work for a long time, and achieve the effect of increasing the hindering effect and simplifying the structure.

Inactive Publication Date: 2011-07-20
GUANGZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the variable pump is applied to the above-mentioned magnetic field-driven vascular robot, a power supply device needs to be added, and the vascular robot cannot work in the blood vessel for a long time

Method used

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  • Vascular robot for cleaning thrombus
  • Vascular robot for cleaning thrombus
  • Vascular robot for cleaning thrombus

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Embodiment Construction

[0016] see Figure 1 ~ Figure 4 , the bullet-shaped shell of the micro-robot is formed by docking the left half-shell 1 and the right half-shell 2 made of medical rubber, wherein the tip is located at the left half-shell 1 and the flat end is located at the right half-shell 2 . A dividing plate 3 is arranged in the inner cavity of the left half shell 1 , the left inner cavity of the dividing plate 3 is a dredging chamber 4 , and the right inner cavity is a pumping chamber 5 . There is a section of elastic bellows on the left half-shell 1 and the right half-shell 2 on the right side of the partition 3, so that the two-section shells can be stretched axially; the pump chamber 5 is coaxially equipped with a rare earth ultra-thin Magnetostrictive material rod 6, one end of this giant magnetostrictive material rod 6 is fixed on the partition plate 3, and the other end is fixed on the support frame 7 in the right half shell 2, and this support frame 7 is radiated by 4 The supportin...

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Abstract

The invention discloses a vascular robot for cleaning thrombus. The robot consists of a micro-robot and an external driver and is characterized in that: the micro-robot is provided with a bullet-shaped shell; a clapboard (3) is arranged in the shell and divides the inner cavity of the shell into a dredging chamber (4) and a pump chamber (5); the shell on one side of the pump chamber (5) is a section of elastic corrugated tube; a super-magnetostrictive material rob (6) is arranged in the pump chamber (5); one end of the super-magnetostrictive material rob (6) is fixed on the clapboard (3); the other end of the super-magnetostrictive material rob (6) is fixed on a supporting frame (7); a thrombus collector (9) is arranged in the dredging chamber (4); one end of the thrombus collector (9) is communicated with the pump chamber (5) through a suction inlet of the pump chamber (5); the other end of the thrombus collector (9) is communicated with the exterior of the micro-robot; the external driver is provided with an annular electromagnetic coil (11) sleeved outside the micro-robot; and the annular electromagnetic coil (11) is fixed on a mobile part.

Description

technical field [0001] The invention relates to a robot, in particular to a blood vessel robot. 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] The drive methods of vascular robots include cable drive and cableless drive. The cableless drive includes drive with its own power supply and external magnetic field drive. Among them, the external magnetic field drive has the advantages of easy miniaturization and unlimited working time. Therefore, It has great application prospect. For example, Zhang Yongshun et al. invented an in vivo microrobot driven by an external rotating magnetic field (Zhang Yongshun et al. Omnidirectional positioning and precession ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/22
CPCA61B2017/00345A61B2017/00411A61B17/22A61B2017/22079
Inventor 江帆
Owner GUANGZHOU UNIVERSITY
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