Guidewire steering micro-robot
Disclosed is a guidewire steering micro-robot. The guidewire steering micro-robot includes a guidewire, and a steering unit provided at an end portion of the guidewire, the steering unit including a magnetic body to control and steer a position of the guidewire by an external magnetic field.
1. A guidewire steering micro-robot comprising:
a guidewire; and
a steering unit provided at an end portion of the guidewire, the steering unit comprising a magnetic body to control and steer a position of the guidewire by an external magnetic field, and a connector connecting the guidewire and the steering unit, the magnetic body being contained within the connector,
wherein the steering unit further comprises a position display unit configured to absorb and emit a light irradiated from an outside of a body of a patient.
2. The guidewire steering micro-robot of claim 1 , wherein the position display unit comprises a micro nanoparticle to absorb and re-emit a body transmittable light energy and a shell enclosing the micro nanoparticle.
3. The guidewire steering micro-robot of claim 2 , wherein the light energy is a light energy within a shortwave infrared band.
4. The guidewire steering micro-robot of claim 1 , wherein the connector is connected to the guidewire and the steering unit by heat or an adhesive.
5. The guidewire steering micro-robot of claim 1 , wherein the guidewire and the steering unit are inserted into the connector.
6. The guidewire steering micro-robot of claim 5 , further comprising:
a flexible polymer between the guidewire and the steering unit.
7. The guidewire steering micro-robot of claim 6 , wherein the connector comprises a hollow inside and has a shape of a coil for allowing the guidewire and the steering unit to be inserted into the connector.
8. The guidewire steering micro-robot of claim 7 , wherein the coil is formed of a biocompatible metal or a polymer material.
9. The guidewire steering micro-robot of claim 1 , wherein the connector further comprises a spring.
10. The guidewire steering micro-robot of claim 1 , wherein the magnetic body comprises a hollow, and
the end portion of the guidewire is inserted into and connected to the hollow of the magnetic body.
11. The guidewire steering micro-robot of claim 1 , further comprising:
a tip configured to fix a position of the magnetic body.
12. The guidewire steering micro-robot of claim 11 , wherein the tip is formed of a metal or a polymer.
13. A guidewire steering micro-robot comprising:
a guidewire; and
a steering unit provided at an end portion of the guidewire, the steering unit comprising a magnetic body to control and steer a position of the guidewire by an external magnetic field, the steering unit further comprising a connector and a position display unit, the magnetic body being contained within the connector,
wherein the position display unit comprises a micro nanoparticle to absorb and re-emit a body transmittable light energy and a shell enclosing the micro nanoparticle.
14. A guidewire steering micro-robot comprising:
a guidewire; and
a steering unit provided at an end portion of the guidewire, the steering unit comprising a magnetic body to control and steer a position of the guidewire by an external magnetic field, the steering unit further comprising a connector and a position display unit, the magnetic body being contained within the connector,
wherein the position display unit comprises a micro nanoparticle to absorb and re-emit a body transmittable light energy and a shell enclosing the micro nanoparticle, and
wherein the light energy is a light energy within a shortwave infrared band.
15. The guidewire steering micro-robot of claim 1 , wherein the position display unit comprises a plurality of micro nanoparticles supported in a dispersed manner in a matrix of the connector.