Abstract: The present invention relates to a method for manufacturing a stent, the method using a jig in which detachable protruding pins are installed at all respective location points at which circumference division lines and length division lines intersect each other, the method forming cells through intersection of wire by setting any one of the location points as a start point and repeatedly bending and moving the wire from the start point upward and downward to pass over the protruding pins located in diagonal directions, wherein a first stent woven such that intersection portions formed through the intersection of a wire are spaced apart from each other in a diagonal direction and arranged one for each length division line and a second stent woven to maintain the structural stability of the first stent and to prevent the first stent from being twisted can be provided as a single stent.

Abstract: The present invention relates to a catheter for a stent operation. The catheter for a stent operation according to the present invention comprises: a solid bar of which one end is coupled to the side of a handle; an outer tube into which the solid bar is inserted, having an insertion hole through which a guide wire can be inserted from the outside to the inside, and of which one end is coupled to the side of the body; a guide tip coupled to the side of the solid bar, and guiding the guide wire by having a through-hole through which the guide wire passes; a connection tube for connecting and coupling the guide tip to the solid bar, wherein the solid bar has an accommodation groove, for preparing a space capable of accommodating the guide wire, formed in a predetermined section of a region to be connected to the connection tube, such that the guide wire can be accommodated inside of the outer tube.

Abstract: Provided is a transcutaneous electrical nerve stimulation (TENS) apparatus, which includes an electric signal generator configured to generate an electrical stimulation signal, an electrode configured to transmit an electrical stimulation corresponding to the electrical stimulation signal generated by the electric signal generator to a user, and a connection unit configured to connect the electric signal generator to the electrode, wherein the electrode includes a pair of annular contact points for an electrical connection with the electric signal generator. Here, the connection unit may include magnetic material.

Abstract: The present invention provides a hybrid stent for a blood vessel, the stent including: a plurality of first wires configured to form a plurality of rows in one direction and maintain the shape thereof inside a human body; a plurality of second wires configured to intersect the first wires and form a plurality of rows; and connectors configured to connect portions where the first wires and the second wires intersect each other; wherein a plurality of hollow holes are formed by the first wires and the second wires, and one or more of the plurality of second wires are degraded inside the human body after a predetermined period of time. Accordingly, the effect of enabling the stent to be easily removed can be expected because the second wires made of the biodegradable polymer are gradually degraded by body fluids.

Abstract: The present invention relates to a stent and a method for manufacturing the same. The stent includes: a first hollow cylindrical body portion formed by weaving a metal wire; a second hollow cylindrical body portion formed by weaving a metal wire, and configured to surround the first body portion; an expanded portion configured to form two adjacent ends of the first body portion and the second body portion integrally; and a membrane inserted between the first body portion and the second body portion, and configured to surround the outside of the first body portion. According to the present invention, there is no risk of the film being torn when the stent is bent, an additional connection wire is not required, the process of manufacturing the stent is simple, and the costs required for the manufacture of the stent are not high.

Abstract: The present invention relates to a connection stent and a method of manufacturing the stent. The connection stent includes: a body configured to form a plurality of cells through the intersection of wires, and provided in a hollow cylindrical shape; an upper head formed to extend from one end of the body to have a diameter larger than that of the body; and a lower head formed to extend from a remaining end of the body to have a diameter larger than that of the body. The upper head and the lower head are respectively placed to come into contact with insides of heterogeneous tissues. Accordingly, according to the present invention, there can be manufactured a stent which can connect heterogeneous tissues and form a bypass and which can provide sufficient expansion force and minimum axial force for the maintenance of the bypass formed as described above.

Abstract: The invention relates a transmitter for transmitting data in bio-implantable medical devices, comprising: an activation unit which transmits, to a receiver, a predetermined number of frame bits which indicate the start of data transmission so as to activate the receiver; a preamble state notification unit which transmits, at the state where the receiver is activated or during data transmission to the receiver, a preamble data signal for turning the receiver into a preamble state; and a synchronization unit which transmits synchronization data for synchronization between the transmitter and the receiver in the preamble state.

Abstract: According to the present invention, an apparatus for manufacturing a multichannel electrode array for cranial nerve stimulation comprises: an electrode support supporting a plurality of electric wires, and having a plurality of platinum rings inserted therein; a frame member including a base, a pair of vertical frames, and a horizontal frame to fix the electrode support; a rotating member into the center of which the electrode support is inserted, and which rotates such that electric wires are twisted, pair by pair, at the electrode support so as to form a grid, when bobbins that are wound with the electric wires slide; an elevating plate rotatably and slidably supporting the rotating member; and a pair of left-side and right-side control units and which rotate the rotating member such that the rotating member slides along a length equal to that the grid.

Abstract: Disclosed herein is a micro-electrode array package including a micro-electrode array comprising: a substrate section including a liquid crystal polymer; an electrode section collecting and transferring bio-signals; and a cover section insulating and protecting the electrode section and including a liquid crystal polymer, wherein the electrode section is disposed in contact with one surface of the substrate section, the cover section is adhered in contact with the surface of the substrate section on which the electrode section is disposed, and a space independent from the external environment is formed between the substrate section and the cover section adhered thereto.

Abstract: A protective shell holding a portable electronic device to provide optimized sound effects includes a sound release portion. The protective shell includes a body and a sound effect output portion located on at least one edge of the body. The sound effect output portion includes a curved wall surface and at least one rib located on the curved wall surface. The portable electronic device leans on the at least one rib to form at least one gap with the curved wall surface. Hence the sound release portion can release sound through the gap. The curved wall surface also can provide sound resonance to adjust output quality of the sound, thereby is achieved optimized sound effects.

Abstract: A protective shell holding a portable electronic device to provide optimized sound effects includes a sound release portion. The protective shell includes a body and a sound effect output portion located on at least one edge of the body. The sound effect output portion includes a curved wall surface and at least one rib located on the curved wall surface. The portable electronic device leans on the at least one rib to form at least one gap with the curved wall surface. Hence the sound release portion can release sound through the gap. The curved wall surface also can provide sound resonance to adjust output quality of the sound, thereby is achieved optimized sound effects.

Abstract: A cylindrical structure having a lumen to be implanted into a human body. The cylindrical structure has a coating layer formed on at least one part of an inner surface of either or both ends of the cylindrical structure, wherein the coating layer includes a polymer for drug release control and a bioactive material.

Abstract: The invention relates to an electro-optrode neural interface, comprising an optical fiber which is elongated so as to be insertable into a body, and which is located at a core portion so as to form an optical electrode portion, and a liquid crystal polymer(LCP) sample encircling the optical fiber. The LCP sample has an adhesive sheet, and an LCP electrode layer encircling the adhesive sheet, wherein the adhesive sheet and the LCP electrode layer are coupled to each other. The electro-optrode neural interface is formed by combining into a single unit, an electrical interface in which an electrode for stimulating deep brain or measuring neural signals from deep brain is arranged in a liquid crystal polymet and an optical interface such as an optical fiber, a waveguide and an endoscope.

Abstract: The invention relates a transmitter for transmitting data in bio-implantable medical devices, comprising: an activation unit which transmits; to a receiver, a predetermined number of frame bits which indicate the start of data transmission so as to activate the receiver; a preamble state notification unit which transmits, at the state where the receiver is activated or during data transmission to the receiver, a preamble data signal for turning the receiver into a preamble state; and a synchronization unit which transmits synchronization data for synchronization between the transmitter and the receiver in the preamble state.

Abstract: An apparatus includes a first electrode connected to one end of a cell within a living body, a second electrode connected to the other end of the cell within the living body. A measurement unit selectively extracts a voltage induced to the first and second electrodes depending on the current applied to the first and second electrodes. A charge storage unit stores a relative potential corresponding to a voltage difference between the first and second electrodes. An A/D conversion unit configured to convert a signal corresponding to the relative potential into a digital signal. An impedance calculation unit configured to calculate interfacial impedance of the first and second electrodes using the digital signal from the A/D conversion unit and the current applied to the second electrode.

Abstract: According to the present invention, an apparatus for manufacturing a multichannel electrode array for cranial nerve stimulation comprises: an electrode support (100) supporting a plurality of electric wires, and having a plurality of platinum rings inserted therein; a frame member (200) including a base (210), a pair of vertical frames (220), and a horizontal frame (240) to fix the electrode support (100); a rotating member (600) into the center of which the electrode support (100) is inserted, and which rotates such that electric wires are twisted, pair by pair, at the electrode support (100) so as to form a grid, when bobbins (700) that are wound with the electric wires slide; an elevating plate (500) rotatably and slidably supporting the rotating member (600); and a pair of left-side and right-side control units (800) and (900) which rotate the rotating member (600) such that the rotating member (600) slides along a length equal to that the grid.

Abstract: The present invention relates to a stent which is inserted into a stenosed bile duct to enlarge the bile duct. The stent includes a plurality of hooks which extend outwards from the main body of the stent at a predetermined angle and are spaced apart from each other. Therefore, when the stent is inserted into the bile duct, the hooks that extend outwards from the main body at a predetermined angle are hooked to the inner surface of the bile duct, thus preventing the stent from slipping relative to the bile duct.