The present disclosure relates to a magnetic trap system (1000) comprising: a microscopic device (300), comprising a principal axis extending in a longitudinal direction; a trap (100) for magnetically confining the microscopic device in a confinement region (CR); a receptable zone (RZ) for receiving biological mattermatter (400, 800), the receptable zone (RZ) comprising the confinement region (CR); a mechanical device (200) for providing a relative movement between the receptable zone (RZ) and the microscopic device (300);

wherein the trap (100) is hollow about a longitudinal axis (A), comprises the receptable zone, and provides a magnetic field gradient configured to confine the microscopic device to the confinement region (CR) of the trap (100); wherein the orientation of the magnetic field in the confinement region (CR) is to align the microscopic device in the confinement region (CR) with the longitudinal axis (A) of the confinement region.

An extracorporeally length-adjustable implant system comprises an implant component to be fastened to a bone to be lengthened and an adjustment device with two fastening parts that are displaceable relative to one another, each of which is intended for arrangement at a part of the bone to be lengthened, wherein the adjustment device is able to distract the two fastening parts and comprises a drive element with a permanent magnet arranged in rotationally fashion and a mechanism which converts a rotational movement of the permanent magnet into a distracting longitudinal movement of the adjustment device; and an extracorporeal drive unit for the drive element of the implant component. The extracorporeal drive unit comprises a rotatably mounted extracorporeal magnetic ring with an interior to receive the bone to be lengthened with the adjustment device, and an actuation device to rotate the extracorporeal magnetic ring in the ring plane thereof.

Magnetic field has been considered as a safe and promising method for remote control of medical robots in body. Systems that implement electromagnetic coils can provide wide control bandwidth and on-off capability. However, scaling-up the working space of such systems for clinical use and increasing energy efficiency to reduce heat generation have always been a challenging task. The design, modeling and control methods for a magnetic actuation system with multiple mobile electromagnetic coils with decoupled movements are introduced. The high flexibility of such configuration and the proposed real-time control strategy enables the system to enlarge the working space by tracking the locomotion of the robot, deal with the irregularly shaped obstructions inside the working area, work with medical imaging systems for localization of the medical robots, generate various kind of magnetic field for actuation and conduct real-time optimization on coils' positions to enhance energy efficiency.

A magnetic field drive system is disclosed. The magnetic field drive system comprises: a rail; a first magnetic field generation unit provided on the rail; and a second magnetic field generation unit provided on the rail, and arranged to face the first magnetic field generation unit with a target area therebetween, wherein the first magnetic field generation unit and the second magnetic field generation unit can generate magnetic field in the target area.

A magnetic drive system is disclosed. The magnetic drive system comprises: a first magnetic field generation unit; a second magnetic field generation unit which is disposed under the first magnetic field generation unit in a Z-axis direction with an operation area interposed therebetween, and generates a magnetic field in the operation area in combination with the first magnetic field generation unit; and a moving module for moving at least one of the first magnetic field generation unit and the second magnetic field generation unit.

A magnetic field generator that comprises at least three groups of magnets, the magnetic moment of each magnet being rotatable about a rotation axis, wherein each group comprises at least two magnets, and each group has an orientation in the sense that the rotation axes of the magnetic moments of the magnets of the same group extend in the group's orientation. The orientations of the different groups are linearly independent.

The present invention relates to a medical robot system capable of effectively removing a calcified thrombus in a blood vessel. The present invention proposes a new guide-wired helical microrobot for mechanical thrombectomy applied to a calcified thrombus. Also, the present invention proposes an electromagnetic navigation system (ENS) which uses a high frequency operation that is based on a resonant effect in order to enhance the boring force of a microrobot. The microrobot system of the present invention can precisely tunnel through a blood vessel blockage site by means of the electromagnetic navigation system without damaging blood vessel walls. The microrobot system of the present invention has a wide range of applications including not only for thrombosis, but also thromboangiitis obliterans caused by vasoocclusion, cerebral infarction, strokes, angina or myocardial infarction, peripheral artery occlusive disease, or atherosclerosis, etc.

A method for navigating therapeutic, diagnostic or imaging agents in a vascular network or body cavity is introduced. The method is characterized by high directional gradients and a high magnetic field strength. The latter is used to saturate the magnetization of magnetic therapeutic agents such that when combined with high directional gradients, improved navigation of the magnetic therapeutic agents can be provided at various depths within a patient's body.

The present invention discloses a system to control a movement of a magnetic capsule using an external magnet control system. The external magnet control system includes more than one external magnetic balls, and at least one external magnetic ball can be moved freely in five degrees of the freedom.

The present invention discloses a method to move a magnetic capsule linearly both horizontally and linearly in a very controllable fashion, wherein the direction of a combined external magnetic field, the force experienced by the magnetic capsule, the movement direction of the capsule and magnetic direction of the magnetic capsule can be all aligned in parallel to each other.