Abstract: Disclosed is a therapeutic patch for the gastrointestinal tract including a mucoadhesive material along with magnetic nanoparticles and a drug to be delivered to a living body, which are supported on the mucoadhesive material. A method of manufacturing the therapeutic patch for the gastrointestinal tract is also provided and includes preparing a mucoadhesive polymer, preparing a catechol precursor, mixing the mucoadhesive polymer and the catechol precursor, freeze-drying a mixture in the mixing step, mixing a powder resulting from the freeze-drying step with magnetic nanoparticles and a drug, and subjecting the resultant mixture to molding using a mold and then freeze-drying.

Abstract: A drug delivery device according to an embodiment may include a body including an opening; a magnetic element disposed in the body; a reservoir disposed in the body, connected to the magnetic element, and configured to store a drug; and an opening/closing structure coupled to the body and configured to open or close the opening.

Abstract: A device for conveying a biological material includes a body including an aperture configured to enable connection with an outside of the body and a chamber configured to store a biological material, a plurality of conveyors accommodated in the body and configured to convey the material, and a driver configured to select one of the plurality of conveyors, align the selected conveyor with the aperture, and move the selected conveyor to the outside of the body through the aperture.

Abstract: A device for conveying a biological material includes a body including an aperture configured to enable connection with an outside of the body and a chamber configured to store a biological material, a plurality of conveyors accommodated in the body and configured to convey the material, and a driver configured to select one of the plurality of conveyors, align the selected conveyor with the aperture, and move the selected conveyor to the outside of the body through the aperture.

Abstract: A device for conveying a biological material includes a body including an aperture configured to enable connection with an outside of the body and a chamber configured to store a biological material, a plurality of conveyors accommodated in the body and configured to convey the material, and a driver configured to select one of the plurality of conveyors, align the selected conveyor with the aperture, and move the selected conveyor to the outside of the body through the aperture.

Abstract: The present invention provides a magnetically-actuated articular cartilage regeneration system for efficiently and nonsurgically regenerating articular cartilage.

Abstract: The present invention provides a magnetically-actuated articular cartilage regeneration system for efficiently and nonsurgically regenerating articular cartilage.

Abstract: Disclosed is a cable-driven parallel robot capable of changing a workspace, in which the cable-driven parallel robot is provided with an end effector having a plurality of modules that can efficiently move to upper and side parts of an object without interference. Module-direction changing standby stations are provided on each of opposing sides of an upper frame such that the modules of the end effector are coupled to the module-direction changing standby station for direction change standby, so that the modules can efficiently move to upper and side parts of the workspace without interference, thereby maximizing work efficiency. To this end, there is provided a cable-driven parallel robot including: an installation frame, and upper and side frames; a plurality of driving units; a plurality of cables; the module-direction changing standby station; and an end effector provided with a plurality of modules.

Abstract: The present invention relates to an operation control system for spirally operating a capsule endoscope along a tubular organ, and a capsule type endoscope system comprising the same. The operation control system for a capsule endoscope of the present invention comprises: a magnetic field generation portion (100) comprising a first coil unit (110) provided on three orthogonal axes to generate a magnetic field and a second coil unit (120) comprising one coil structure for generating a magnetic field gradient; and a mechanical coil driving portion (130) for three-dimensionally rotating the second coil unit (120), thereby generating a rotating magnetic field and the magnetic field gradient. Therefore, it is possible to simplify the operation control system for a capsule endoscope by forming the rotating magnetic field and the magnetic field gradient for a spiral motion of a capsule endoscope only with a minimum coil system.

Abstract: To provide a bacterium-based microrobot which can be specifically targeted to cancer in vivo, the present invention provides a drug delivery system for cancer tissue, comprising a bacterium, and a microbead encapsulated with at least one drug, wherein biotin is bound to a surface of the bacterium and a surface of the microbead is coated with streptavidin.

Abstract: An electromagnetic actuating device. A coil unit generates magnetic field toward a medical device inserted into a human body. An actuator drives the coil unit to move back and forth, thereby adjusting the rate of a change in magnetic force or magnetic field applied to the medical device. The coil unit moves linearly back and forth depending on the body shape of a subject and the body part to be diagnosed, such that actuation force is efficiently supplied to the medical device.

Abstract: Disclosed is a cable-driven parallel robot capable of changing a workspace, in which the cable-driven parallel robot is provided with an end effector having a plurality of modules that can efficiently move to upper and side parts of an object without interference. Module-direction changing standby stations are provided on each of opposing sides of an upper frame such that the modules of the end effector are coupled to the module-direction changing standby station for direction change standby, so that the modules can efficiently move to upper and side parts of the workspace without interference, thereby maximizing work efficiency. To this end, there is provided a cable-driven parallel robot including: an installation frame, and upper and side frames; a plurality of driving units; a plurality of cables; the module-direction changing standby station; and an end effector provided with a plurality of modules.

Abstract: An electromagnetic actuating device. A coil unit generates magnetic field toward a medical device inserted into a human body. An actuator drives the coil unit to move back and forth, thereby adjusting the rate of a change in magnetic force or magnetic field applied to the medical device. The coil unit moves linearly back and forth depending on the body shape of a subject and the body part to be diagnosed, such that actuation force is efficiently supplied to the medical device.

Abstract: The present invention relates to an operation control system for spirally operating a capsule endoscope along a tubular organ, and a capsule type endoscope system comprising the same. The operation control system for a capsule endoscope of the present invention comprises: a magnetic field generation portion (100) comprising a first coil unit (110) provided on three orthogonal axes to generate a magnetic field and a second coil unit (120) comprising one coil structure for generating a magnetic field gradient; and a mechanical coil driving portion (130) for three-dimensionally rotating the second coil unit (120), thereby generating a rotating magnetic field and the magnetic field gradient. Therefore, it is possible to simplify the operation control system for a capsule endoscope by forming the rotating magnetic field and the magnetic field gradient for a spiral motion of a capsule endoscope only with a minimum coil system.

Abstract: The present invention relates, in general, to a microrobot system for intravascular therapy and, more particularly, to a microrobot system for intravascular therapy, which removes thrombus, clots and occlusions that are clogging blood vessels using the fast rotary power of a spherical microrobot having protrusions, thus treating clogged blood vessels. The microrobot system for intravascular therapy according to the present invention includes a spherical microrobot unit (100?) including a magnet having an arbitrary magnetization direction and having protrusions formed on a surface thereof. An electromagnetic field generation unit (200) sets an alignment direction and a locomotion direction of the microrobot unit to arbitrary directions in the 3D space, generates magnetic fields, and then drives the microrobot unit so that the microrobot unit is rotated by itself or is propelled in the locomotion direction. An imaging unit (300) captures an X-ray image and then tracking a location of the microrobot unit.

Abstract: A system for controlling actuation of a capsule endoscope includes a receiving unit receiving an image transmitted from the capsule endoscope; a coil unit generating a magnetic field for actuating the capsule endoscope by using current applied thereto; a power supply unit supplying power to the coil unit; and an actuation controller control the current applied to the coil unit and a coil rotational motor for adjusting of a posture and the location of the capsule endoscope based on the identified lesion or location of the capsule endoscope, wherein the coil unit includes a pair of Helmholtz coils and a pair of Maxwell coils that are fixedly disposed on a main axis; and a pair of uniform saddle coils and a pair of gradient saddle coils that are located inside the pair of the Helmholtz coils and the pair of the Maxwell coils to rotate around the main axis.

Abstract: The present invention relates to an image-based, patient-specific medical spinal surgery technique and to a spinal prosthesis used in the surgery, and particularly, to an image-based, patient-specific medical spinal surgery technique and to a spinal prosthesis which are intended to solve a problem of damage to a spine caused by installing a spinal prosthesis used in spinal surgery, by introducing an image of a patient to manufacture an insertable spinal prosthesis that is customized for a shape of a spine of an individual patient in a polymer-based material.

Abstract: Provided is a bacterium-based microrobot, wherein bacteria are attached to a part of a surface of a microstructure including at least one or more magnetic particle, for actuating a bacterium-based microrobot more effectively.

Abstract: Disclosed is a microrobot for the therapy of brain/spinal cord diseases. It comprises a microrobot comprising a driving unit having a magnet therein, and a therapeutic means or drug delivery means for treating a disease lesion; a microrobot driving module for performing and controlling various motions of the microrobot by generating an electromagnetic force through an electromagnetic coil system; an imaging module for imaging a thecal sac filled with cerebrospinal fluid, a ventricle, and the microrobot; a diagnosis module for diagnosing the brain/spinal cord disease, based on a pre-operative image produced by the imaging module; and a navigation module for planning a moving path for the microrobot, based on the pre-operative image produced by the imaging module and for monitoring the microrobot through an intraoperative image produced by the imaging module.

Abstract: A micro robot system movable on three dimensional space includes a micro robot unit including a magnet module having a certain magnetization direction and configured to rotate and proceed along a wall by a processional rotating magnetic field, and an electromagnetic field generation unit configured to set an alignment direction of the micro robot unit to have a certain angle with respect to the magnetization direction and configured to generate a magnetic field in the alignment direction to drive the micro robot unit.