Abstract: The present disclosure relates to a tricuspid regurgitation surgical instrument having a position-fixing tube that is for temporarily treating tricuspid regurgitation, and more particularly, to a tricuspid regurgitation surgical instrument having a position-fixing tube that is a surgical instrument temporarily inserted into an orifice of the tricuspid valve to check whether right-sided heart failure has occurred, which may occur when tricuspid regurgitation is treated using a permanent method in a patient with tricuspid regurgitation, and that has a position-fixing tube inserted into a coronary sinus so that a blocking part configured to block the orifice of the tricuspid valve penetrates a plane similar to a plane of leaflets of the tricuspid valve and has a penetration angle which allows the blocking part to efficiently block the orifice of the tricuspid valve.

Abstract: A His bundle-detecting snare catheter according to the present invention detects a myocardial electrical signal and locates the position of a His bundle through the insertion of a snare and an EP catheter into a dual lumen catheter having two lumens, and captures a cerclage wire, which has passed through the His bundle, and safely guides same into a body. The His bundle-detecting snare catheter according to the present invention comprises: a dual lumen catheter having formed therein a first lumen and a second lumen; an electrical signal detection catheter which is inserted into the first lumen or the second lumen and detects a myocardial electrical signal; and a snare which is inserted into the first lumen or the second lumen and has one or more annular wires at a distal portion thereof, wherein the electrical signal detection catheter and the snare are inserted into different lumens.

Abstract: A pacemaker lead for cerclage pacing includes a lead fixing part including a fixing tip whose diameter becomes gradually smaller toward an end of a distal part thereof, a plurality of bipolar electrodes that come into close contact with heart muscle, in an outer circumference of the lead fixing part, and a guide wire insertion through hole through which a guide wire can be inserted thereinto, a lead body part configured to be extended to the lead fixing part, having a stylet insertion through hole formed therein, and a body fixing part formed in a bent shape so as to be fixed to an inner wall of the coronary sinus, and a stylet inserted into the stylet insertion through hole, enabling the pacemaker lead for cerclage pacing to be easily moved within the body of the patient.

Abstract: A device for performing tricuspid regurgitation operation is proposed. The device for performing tricuspid regurgitation operation is easily inserted through the inferior vena cava, the tricuspid valve, and the pulmonary artery in sequence in order to treat tricuspid regurgitation (TR) which is a disease where blood from the right ventricle flows back into the right atrium through an empty space (i.e., orifice) formed by incomplete closing of the tricuspid valve (TV) which is positioned between the right atrium and the right ventricle of the heart. The device includes: a fixing member for pulmonary artery installed in the pulmonary artery; a fixing member for inferior vena cava installed in the inferior vena cava; a connecting tube connecting the fixing member for the pulmonary artery and the fixing member for the inferior vena cava to each other; and a blocking part passing obliquely through the tricuspid valve.

Abstract: A pacemaker lead for cerclage pacing includes a lead fixing part including a fixing tip whose diameter becomes gradually smaller toward an end of a distal part thereof, a plurality of bipolar electrodes that come into close contact with heart muscle, in an outer circumference of the lead fixing part, and a guide wire insertion through hole through which a guide wire can be inserted thereinto, a lead body part configured to be extended to the lead fixing part, having a stylet insertion through hole formed therein, and a body fixing part formed in a bent shape so as to be fixed to an inner wall of the coronary sinus, and a stylet inserted into the stylet insertion through hole, enabling the pacemaker lead for cerclage pacing to be easily moved within the body of the patient.

Abstract: The present invention relates to a device for transcatheter treatment for tricuspid regurgitation. The device for transcatheter treatment for tricuspid regurgitation, according to one preferred embodiment of the present invention, includes: the coronary sinus tube inserted into the coronary sinus; and the tricuspid valve tube traversing the tricuspid valve, wherein the coronary sinus tube and the tricuspid valve tube communicate with each other or are adjacent to each other within a range of predetermined length at an upper side and are separate from each other at a lower side, and a blocking member for blocking a space generated by incomplete closing of the tricuspid valve is provided at a lower part of the tricuspid valve tube or between the coronary sinus tube and the tricuspid valve tube.

Abstract: A transcatheter device for treating the tricuspid valve regurgitation. The transcatheter device comprises a main shaft, a proximal portion, a distal tail, and a spacer body mounted on the main shaft and located between the proximal portion and the distal tail. This transcatheter device could be used for treating tricuspid valve regurgitation in a patient's heart. All or part of the transcatheter device is supported by the main shaft. The spacer body is mounted on the shaft, which travels through the spacer body. Also disclosed are a coaptation assembly that comprises the transcatheter device, and a method of treating tricuspid valve regurgitation using the transcatheter device.

Abstract: The present invention relates to a device for transcatheter treatment for tricuspid regurgitation. The device for transcatheter treatment for tricuspid regurgitation, according to one preferred embodiment of the present invention, includes: the coronary sinus tube inserted into the coronary sinus; and the tricuspid valve tube traversing the tricuspid valve, wherein the coronary sinus tube and the tricuspid valve tube communicate with each other or are adjacent to each other within a range of predetermined length at an upper side and are separate from each other at a lower side, and a blocking member for blocking a space generated by incomplete closing of the tricuspid valve is provided at a lower part of the tricuspid valve tube or between the coronary sinus tube and the tricuspid valve tube.

Abstract: A vascular introducer sheath device comprising a tubular main shaft and a main hub attached to the proximal end of the main shaft. Attached to the proximal end of the main hub is a header hub, which has a first arm and a second arm. The header hub is attached to the main hub in a releasably locked configuration. As such, the header hub is functionally detachable from the main hub. The header hub and the main hub could together have a twist-on or snap-on mating mechanism. An example of such a mating mechanism is a male lock fitting on the header hub and a female lock fitting on the main hub. Further, there could be a side port on the main hub and a side port on the header hub, wherein the side ports for the main hub and header hub are oriented on a same plane when the header hub and the main hub are in locked configuration.

Abstract: The present disclosure provides a RF ablation catheter for treatment of atrial fibrillation of the heart, the RF ablation catheter including: a body part which has one or more ablation electrodes formed on a distal part and which constitutes a catheter body made of a soft material; and a tapered tip which is connected to the body part and becomes thinner toward an end thereof, wherein a guidewire lumen into which a guidewire is inserted is formed to be connected to the tip and the body part. The present disclosure provides a method for treatment of atrial fibrillation of the heart, the method including: inserting a guidewire from the superior vena cava or inferior vena cava into the vein of Marshall via a coronary sinus; placing a RF ablation catheter, which has an ablation electrode formed on a distal part, in the vein of Marshall according to guidance of the guidewire; and performing RF ablation around the vein of Marshall after connecting the RF ablation catheter to a RF generator.

Abstract: The present disclosure relates to a RF ablation catheter for septal reduction therapy having a cooling effect, and more particularly, to a RF ablation catheter for septal reduction therapy that is for performing RF ablation, in which RF energy is applied to an interventricular septum, for septal reduction therapy such as therapy for hypertrophic cardiomyopathy, which is a disease in which an interventricular septum of the left ventricle of the heart of the animal or human body thickens, therapy that requires reduction of an interventricular septum, or therapy for ventricular tachycardia. Also, the present disclosure relates to a RF ablation catheter for septal reduction therapy having a cooling effect that is for preventing carbonization of a tissue of the body (interventricular septum) around an electrode.

Abstract: The present invention relates to a method for positioning a tip of a pacemaker lead that has passed through coronary sinus into an interventricular septum. More particularly, it relates to a method for positioning a tip of a pacemaker lead that has passed through a coronary sinus into an interventricular septum in order to more effectively transmit an electrical stimulus in a treatment using a pacemaker for patients with arrhythmia. A method of positioning a tip of a pacemaker lead, which has passed through a coronary sinus, into an interventricular septum, in order to effectively transmit electrical stimulus, includes: inserting into an intervention wire through a superior vena cava and a coronary sinus to pass through the interventricular septum and then guiding the intervention wire to an inferior vena cava; and positioning the tip of the lead into the interventricular septum by inserting the pacemaker lead along the intervention wire.

Abstract: A mitral cerclage annuloplasty apparatus includes a catheter with a blocking member and a capturing member. The blocking member is in the shape of a pigtail or a balloon, and is configured on the distal portion of the catheter preventing the catheter from traversing through an unsafe zone thereby enabling the catheter to pass through the safe zone. This prevents damage to critical cardiac tissues. The capturing member is adapted for pulling out a RVOT cerclage wire into the IVC, and comprises of an expandable and collapsible mesh so that the RVOT cerclage wire is captured and directed into the IVC through the safe zone. Thus the RVOT cerclage wire is passed through the RV without damaging the heart tissue forming a complete circle around the mitral valvular annulus.

Abstract: The present disclosure relates to a device for valve regurgitation surgery and pacemaker lead fixation, and more particularly, to a device for valve regurgitation surgery and pacemaker lead fixation that allows mitral regurgitation surgery, tricuspid regurgitation surgery, and fixation of a pacemaker lead to an interventricular septum to be performed using a single device.

Abstract: A snare-integrated myocardial electrical signal-detecting catheter is proposed. The snare-integrated myocardial electrical signal-detecting catheter enables a cerclage wire to pass through the His bundle by way of detecting an electrical signal from the myocardium, and safely guides the cerclage wire into a patient's body by capturing the cerclage wire, which has passed through the His bundle, with a snare built in the catheter. The snare-integrated myocardial electrical signal-detecting catheter includes: a catheter having a hollow space to insert a guidewire thereinto, and having a distal part thereof coupled to at least one or more electrodes to detect an electrical signal of the myocardium; a snare lumen built along a longitudinal direction in a sidewall of the catheter, and having a hollow space therein; and a snare inserted into the snare lumen and having one end thereof provided with at least one or more annular wires.

Abstract: The present invention relates to a device for transcatheter treatment for tricuspid regurgitation and, more particularly, to a device for patients suffering from tricuspid regurgitation. The device for transcatheter treatment for tricuspid regurgitation according to a preferred embodiment of the present invention includes: a hollow coronary sinus tube (22) for engaging into coronary sinus tissue; and a hollow tricuspid valve tube (24) for crossing over tricuspid valve tissue and anchoring at interventricular septum tissue, wherein the coronary sinus tube and the tricuspid valve tube are laterally coupled with each other from upper portions thereof by a predetermined length, and lower portions thereof are separated from each other; and the lower portion of the tricuspid valve tube (24) is provided with a blocking part (30) for blocking a space resulting from incomplete closure of the tricuspid valve.

Abstract: A tricuspid regurgitation treatment tool to be inserted into the pulmonary artery is proposed. The tricuspid regurgitation treatment tool to be inserted into the pulmonary artery is used to verify whether the right ventricular dysfunction may occur when treating the tricuspid regurgitation by surgeries or other permanent treatments. A test insertion of the tricuspid regurgitation treatment tool to be inserted into the pulmonary artery is made to pass obliquely through the tricuspid valve of a patient, and after a certain time has elapsed, the tool is removed. The tricuspid regurgitation treatment tool to be inserted into the pulmonary artery includes: a blocking part blocking the tricuspid valve; and an insertion tube provided with a guidewire-guiding lumen formed therein to be movable along the guidewire.

Abstract: A mitral cerclage annuloplasty apparatus comprises a tissue protective device and a knot delivery device. The tissue protective device comprises a first protective tube and a second protective tube. The knot delivery device comprises a tube wherein a loose knot is looped around its distal end through a hole and wherein tight knot is formed when the distal end of the tube is cut open. Alternatively, the knot delivery device comprises an inner tube and outer tube. The inner tube is insertable and rotatable inside the outer tube. When the tubes are in a closed position by rotating either the outer tube or the inner tube, a hole is created near its distal end. When the tubes are in open position by rotating either the outer tube or the inner tube, the hole joins the opening of the outer tube and lengthens.