Abstract:
A motion capture system includes a motion sensor having a flexible body and a fiber bragg gratings (FBG) sensor inserted into the body, a fixture configured to fix the motion sensor to a human body of a user, a light source configured to irradiate light to the motion sensor, and a measurer configured to analyze a reflected light output from the motion sensor, wherein the FBG sensor includes an optical fiber extending along a longitudinal direction of the body and a sensing unit formed in a partial region of the optical fiber and having a plurality of gratings, and wherein a change of a wavelength spectrum of the reflected light, caused by the change of an interval of the gratings due to a motion of the user, is detected to measure a motion state of the user.
Abstract:
A probe insertion device for a neural probe structure with a plurality of probes to simultaneously insert the plurality of probes into a nerve includes a nerve holder to fix the nerve surrounding an outer circumference of the nerve, and a probe holder positioned outside in a radial direction of the nerve holder to fixedly support the probes surrounding a circumference of the nerve holder. The probe holder includes a plurality of sections (“probe holder sections”) arranged radially with respect to the nerve holder and moveable in a radial direction of the nerve holder, and the plurality of probe holder sections simultaneously moves the plurality of probes toward the nerve holder having fixed the nerve, so that the plurality of probes is simultaneously inserted into the nerve in a radial shape when viewed in a lengthwise direction of the nerve.
Abstract:
A neural probe structure includes a probe which is inserted into a living body, and a magnetic field inductor which is formed in the probe, wherein when a power source is supplied, the magnetic field inductor generates a magnetic field and applies magnetic stimulation to a target site of the living body into which the probe is inserted. A method for manufacturing the neural probe structure includes forming a first pattern on a first substrate and filling the first pattern with a conductor, stacking a second substrate on the first substrate, and forming a second pattern connected to the first pattern on the second substrate and filling the second pattern with a conductor, wherein the first substrate and the second substrate form the probe, and the conductor of the first pattern and the conductor of the second pattern form the magnetic field inductor.
Abstract:
A nerve probe array has a connector made of a flexible material; and a plurality of probes coupled to the connector, each of the plurality of probe having an electrode formed at a body thereof. The plurality of probes are arranged with intervals in a length direction of the connector, and the connector surrounds an outer circumference of a nerve, and the plurality of probes pierce the outer circumference of the nerve and are inserted into the nerve.
Abstract:
Disclosed embodiments aim to provide an apparatus and method for three-dimensional navigation of a medical tool that enables identifying the three-dimensional shape and position of the medical tool within a human body. To achieve the above object, the disclosed embodiment includes a three-dimensional high-resolution image acquisition unit configured to acquire a three-dimensional high-resolution image of a human organ that is targeted for a medical procedure; a three-dimensional shape data acquisition unit configured to acquire three-dimensional shape data of a medical tool of a flexible material in real time; a registration unit configured to register the three-dimensional high-resolution image and the three-dimensional shape data with a reference point; and a display unit configured to display an image registered by the registration unit.
Abstract:
Provided is a neural probe array including a probe which is insertable into a nerve, the probe having a microchannel which induces the regeneration of the nerve, wherein an electrode is installed within the microchannel and is physically isolated from gliosis, and the microchannel is configured to receive a nerve growth factor for regenerating the nerve, and when the probe is inserted into the nerve, the electrode physically isolated from gliosis accomplishes neural signal acquisition and stimulation.
Abstract:
A motion capture system includes a motion sensor having a flexible body and a fiber bragg gratings (FBG) sensor inserted into the body, a fixture configured to fix the motion sensor to a human body of a user, a light source configured to irradiate light to the motion sensor, and a measurer configured to analyze a reflected light output from the motion sensor, wherein the FBG sensor includes an optical fiber extending along a longitudinal direction of the body and a sensing unit formed in a partial region of the optical fiber and having a plurality of gratings, and wherein a change of a wavelength spectrum of the reflected light, caused by the change of an interval of the gratings due to a motion of the user, is detected to measure a motion state of the user.
Abstract:
A stimulation apparatus using low intensity focused ultrasound, which has a low intensity ultrasound focusing array having a plurality of transducers for outputting low intensity ultrasound beams, and a fixing device to which the low intensity ultrasound focusing array is attached, the fixing device being configured to fix the low intensity ultrasound focusing array to an upper body of a user. The low intensity ultrasound beams outputted from the transducers are focused to at least one focus. The focus is positioned to a spinal cord of the user or nerves around the spinal cord so that low intensity ultrasound stimulation is applied to the spinal cord or nerve cells of the nerves around the spinal cord.
Abstract:
Embodiments relate to a torsion sensor device which measures a degree of torsion of a measurement object by using a fiber Bragg gratings (FBG) sensor, the sensor device comprising: an FBG sensor including a sensing unit formed in one section of an elongated optical fiber; and a fixing device for fixing and supporting the FBG sensor to cause displacement of the FBG sensor according to motion of the measurement object, wherein the fixing device includes a bending prevention member to enable the sensing unit to have torsion displacement without bending displacement, according to the motion of the measurement object.
Abstract:
A contact lens for collecting tear or delivering a drug includes an inner lens placed on an eyeball, an outer lens provided at an outer side of the inner lens to overlap the inner lens, and a plurality of pillars disposed between the inner lens and the outer lens to form a space between the inner lens and the outer lens, wherein the contact lens has a plurality of interfacing ports for connecting a chamber with an outside.