52 results about "Heart surgery operation" patented technology

A surgical system or assembly for performing cardiac surgery includes a surgical instrument; a servo-mechanical system engaged to the surgical instrument for operating the surgical instrument; and an attachment assembly for removing at least one degree of movement from a moving surgical cardiac worksite to produce a resultant surgical cardiac worksite. The surgical system or assembly also includes a motion tracking system for gathering movement information on a resultant surgical cardiac worksite. A control computer is engaged to the attachment assembly and to the motion tracking system and to the servo-mechanical system for controlling movement of the attachment assembly and for feeding gathered information to the servo-mechanical system for moving the surgical instrument in unison with the resultant surgical cardiac worksite such that a relative position of the moving surgical instrument with respect to the resultant surgical cardiac worksite is generally constant. A video monitor is coupled to the control computer; and an input system is coupled to the servo-mechanical system and to the control computer for providing a movement of the surgical instrument. The video monitor displays movement of the surgical instrument while the resultant surgical cardiac worksite appears substantially stationary, and while a relative position of the surgical instrument moving in unison with the resultant surgical cardiac worksite, as a result from the movement information gathered by the motion tracking system, remains generally constant. A method of performing cardiac surgery without cardioplegia comprising removing at least one degree of movement freedom from a moving surgical cardiac worksite to produce at least a partially stationary surgical cardiac worksite while allowing a residual heart section, generally separate from the at least partially stationary surgical cardiac worksite, to move as a residual moving heart part. Cardiac surgery is performed on the at least partially stationary cardiac worksite with a surgical instrument such as needle drivers, forceps, blades and scissors.

A method for closed-chest cardiac surgical intervention relies on viewing the cardiac region through a thoracoscope or other viewing scope and endovascularly partitioning the patient's arterial system at a location within the ascending aorta. The cardiopulmonary bypass and cardioplegia can be induced, and a variety of surgical procedures performed on the stopped heart using percutaneously introduced tools. The method of the present invention will be particularly suitable for forming coronary artery bypass grafts, where an arterial blood source is created using least invasive surgical techniques, and the arterial source is connected to a target location within a coronary artery while the patient is under cardiopulmonary bypass and cardioplegia.

This invention relates to a venous cannula for use in conjunction with cardiovascular examinations, treatments and surgery. The venous cannula is configured for two-stage drainage of oxygen-depleted venous blood from a central venous location via a peripheral venous insertion site, such as a femoral vein. The venous cannula is optimized for use in a cardiopulmonary bypass system that includes a multichannel arterial perfusion catheter. The cardiopulmonary bypass system is advantageous for use in performing standard open chest or least invasive cardiac surgical procedures.

A sternum retractor device is disclosed suitable for temporarily maintaining a selected gap between two sternal stumps during cardiac surgical procedures. The device comprises a pair of jaws configured so as to be inserted between the stumps and shaped for firmly engaging the stumps, an actuator connected to the jaws for controlling their mutual closing and opening movements, and a member for controlled feed or withdrawal of a selected biocompatible actuator fluid in / from the actuator, thereby enabling the achievement and maintenance of the gap required between the stumps as well as the progressive reduction of the gap as a function of a patient's condition.

A pulse blood pump for external circulation of blood is composed of a blood storage chamber with hard shell and two single-flap check valves, blood inlet tube, blood outlet tube, and a pulse driver arranged in said blood storage chamber and consisting of blood valve, air inlet tube and ball.

The invention discloses a cardiac operation simulator, comprising a pedestal, a heart fixing device, an incision simulation device and a field of view amplification device. The pedestal has a function of supporting the whole cardiac operation simulator; one end of the heart fixing device is fixed on the pedestal, and the other end is fixed on the incision simulation device; and one end of the field of view amplification device and the pedestal are detachably connected, facilitating carrying, and the other end is placed above the incision simulation device. Through the arrangement of the heart fixing device, the heart is firmly fixed, appears obviously and has a relatively strong stereoscopic impression; through the arrangement of an operation control device, a cardiac surgery operating environment is truly simulated; through the arrangement of the field of view amplification device an endoscopic operation can be simulated; the cardiac operation simulator simple in overall structure and convenient to operate, part of the structure adopts detachable connection, and thus the cardiac operation simulator is convenient to carry.

An adjustable prosthetic anatomical holder system may include an adjustable annuloplasty ring, a ring holder, and a positioning handle. The adjustable annuloplasty ring holder facilitates placement and adjustment of the annuloplasty ring during a cardiac surgical procedure. An optional positioning handle holds the adjustable annuloplasty ring during placement and suturing of the ring. The ring holder is constructed from two members that are slidably fit together in telescopic arrangement to accommodate adjustment of the ring size.

The invention discloses a training platform for the simulation of a cardiac surgical operation, and the training platform comprises a platform body. The bottom of the platform body is provided with supporting legs, and the bottoms of the supporting legs are provided with traveling wheels. One side of the platform body is provided with a supporting rod, and the top of the supporting rod is providedwith a display screen. The top of the platform body is provided with an installation groove, and the interior of the installation groove is provided with an objective table. Two sides of the surfaceof the objective table are fixedly provided with fixed rods, and the bottom of the platform body is provided with an installation housing. The training platform is provided with a timer, a PLC controller, a buzzer, a camera, a display screen, an illumination lamp, the traveling wheels, a motor, a hydraulic cylinder, a folding frame, and the objective table, and solves the problems that a conventional training platform does not have the function of timely warning and has fewer functions.

The invention discloses a cardiac apex exploration device used in cardiac operations in the technical field of medical equipment. The exploration device comprises two fine steel tubes, a fastener andtwo rotating illumination clamping devices, the middle parts of the outer walls of the two fine steel tubes are hinged together through the fastener, the two rotating illumination clamping devices arein threaded connection with the tops of the two fine steel tubes, and a hollow semicircular holding ring is in threaded connection with the bottom of each fine steel tube; the lower parts of the outer walls of the two thin steel tubes are connected through a telescopic wire in a penetrating mode, and a rechargeable battery is embedded in and clamped to the surface of any one hollow semicircular holding ring. The two fine steel tubes are clamped and loosened by means of the two hollow semicircular holding rings and the fastener, so that a light guide tube drives a rhombic block to conduct clamping; an electric push rod extends, so that light of a laser lamp is emitted out through the light guide tube, the position can be determined conveniently, and repeated exploration is achieved. The device is easy to operate, facilitates clamping, is convenient to fold, reduces the area of an affected part, and has wide market application prospects.

The invention relates to a human body cardiac surgery operation training system, which is formed by external skin, muscle tissue, connective tissue, a skeleton framework, a vascular system and an organ model. The organ model is connected in series with the vascular system; the organ model comprises a heart module and a lung module; the inner wall of the external skin is provided with a sensor; the muscle tissue and the connective tissue are filled between the external skin and the skeleton system; and the vascular system forms an enclosed circulation pipeline system through a superior vena cava, an inferior vena cava, a pulmonary artery, a pulmonary vein, a coronary artery, an aorta and a liquid pump. The system is high in simulation degree; each organ module can be detached flexibly for demonstration; operability is high; surgical operation effect can be detected; and teaching and clinic analysis effects are improved.

The invention relates to a thrombus intercepting device for the aorta ascendens and a use method of the device. The device comprises a filter screen, a pushing rod, a traction wire and a conveying sheath, wherein a cavity is arranged inside the pushing rod, and the tail end of the filter screen and the head end of the traction wire form a whole or are connected by a connecting part, and the filterscreen and the traction wire are placed in the cavity of the pushing rod; the filter screen is of an elastic net-shaped structure; the head end of the filter screen is provided with valve blades; theinvention further discloses the method for thrombus intercepting of the device. With the device and the method, the problem that during the heart surgery operation including intervention, thrombus falling from the left heart system flows to the peripheral organs through the aorta ascendens, consequently, thromboembolism is caused, is solved. The effective intercepting for the thrombus of the leftheart system can be realized, the valve blades at the head end of the filter screen are completely closed during filter screen recovery, so that the out leakage of the thrombus can be effectively prevented, and after the operation is finished, the filter screen and the wrapped thrombus are pulled out of the body. The thrombus intercepting device is easy to operate and safe to use.

The invention discloses a cardiac surgery operating room monitoring system. The cardiac surgery operating room monitoring system comprises a disease monitoring device, an environment monitoring device, a noise reduction microphone, a video acquisition device and an infrared sensor. The output terminals of the disease monitoring device, the environment monitoring device, the noise reduction microphone, the video acquisition device and the infrared sensor are all electrically connected with a processor. The output terminal of the processor is electrically connected with a controller, and the output terminal of the controller is electrically connected with the disease monitoring device, the environment monitoring device, the noise reduction microphone, the video acquisition device, a display, an amplification circuit, an alarm and a communication module. The cardiac surgery operating room monitoring system can monitor various data of the operating room in real time, experts can carry out remote assistance conveniently, the fact that the whole operation process is perfectly safe is ensured, the cardiac surgery operating room monitoring system can automatically turn on / off the disease monitoring device, the environment monitoring device, the noise reduction microphone and the video acquisition device, the cardiac surgery operating room monitoring system can be used conveniently, and is energy-saving and environmentally-friendly.

The invention discloses a heart tip exploring device used in a cardiac surgical operation. The heart tip exploring device comprises a first forceps arm and a second forceps arm which are hinged together through a first fastener. A first bend is arranged at the front end of the first forceps arm, and a first held portion is arranged at the rear end of the first forceps arm. A second bend is arranged at the front end of the second forceps arm, and a second held portion is arranged at the rear end of the second forceps arm. The first bend and the second bend are of hollow structures, a laser lamp exploring assembly is arranged in the front end of the first bend and the front end of the second bend respectively, and a light guiding column detachably connected with the front ends of the bends are arranged at the front end of the first bend and the front end of the second bend respectively. Each light guiding column comprises a light guiding body, wherein a connector detachably connected with the first bend and the second bend is arranged at the rear end of the light guiding body, a light scattering face is arranged at the front end of the light guiding column, and an outward protruding bag is arranged at the connecting position of the light guiding column and the connector.

This invention provides methods of preventing and treating endotoxemia and related complications associated with surgical procedures, such as cardiac surgical procedures, by administration of an antiendotoxin compound.

A closure device, specifically an occlusion device for heart surgery procedures, e.g., transapical aortic valve implantation, comprises first and second disks (2, 3) having first and second enlarged diameter flange portions (25, 35) adapted to be placed proximate either end of an apical hole in a patient's heart wall, and first and second shoulder portions (20, 30) adapted to be placed within the apical hole near either end. A central waist portion (4) extends between the first and second disks (2, 3) along a center axis (A) of the device and is adapted to extend through the apical hole and interconnect the first and second disks (2, 3), while urging the disks (2, 3) toward one another when in the mounted condition.

The invention discloses an air exhausting device used for cardiac surgery, and relates to the field of medical apparatus and instruments. The device comprises an air exhausting needle, the air exhausting needle comprises a needle tube and a needle point connected with the tail of the needle tube. The device further comprises a protection belt, a limiting part is mounted at the position, 3-5 mm away from the needle point, of the needle tube, one end of the protection belt is fixed to the limiting part, the other end of the protection belt is movably connected with the limiting part, the tail ofthe needle tube communicates with a blood buffer device, a liquid outlet is formed in the upper part of the blood buffer device, a liquid outlet pipe communicates with the liquid outlet, a pipe clipis further arranged on the liquid outlet pipe, a blood mixer communicates with the end of the liquid outlet pipe, and a liquid inlet pipe and a guide pipe further communicate with the blood mixer. Compared with the prior art, the air exhausting device provided by the invention has the advantage the air exhausting effect is increased, and meanwhile, the operation of medical workers is facilitated.

The invention discloses an opening fixing device for cardiac surgery. The device includes a base, a first connecting rod, a second connecting rod and a metal rod; a supporting rod is connected to theupper part of the base, and a first connection ball is arranged on the supporting rod; a first fixing clamp is installed on the right side of the first connection ball, and the outer side of the firstfixing clamp is provided with a first protective cover; the first connecting rod is connected to the left side of the first connection ball, and the right side of the first connecting rod is providedwith a second connection ball; a clamp sleeve is installed on the outer side of the second connection ball, and a second fixing clamp is arranged on the upper left part of the clamp sleeve; and the outer side of a second spinner is provided with a third protective cover, and a second memory metal is installed at the bottom of the metal rod. The opening fixing device for the cardiac surgery has few parts and a simple structure, can reduce operation time to maximize rescue time, is more practical and convenient to use, and has higher working efficiency.

The invention discloses an air conditioning system for a cardiac surgery operating room and a control method of the air conditioning system, relates to the technical field of air conditioners, and solves the problem that a direct expansion air conditioning system in the prior art needs to be shut down for defrosting in winter. The air conditioning system comprises a cold and heat source assembly and a combined air conditioning unit, the cold and heat source assembly at least comprises a first cold and heat source and a second cold and heat source, the combined air conditioning unit at least comprises a first direct expansion coil pipe and a second direct expansion coil pipe, the first cold and heat source is connected with the first direct expansion coil pipe, and the second cold and heat source is connected with the second direct expansion coil pipe. And based on the operation mode and the operation working condition of the air conditioning system, at least one of the first cold and heat source and the second cold and heat source is in the operation state, meanwhile, at least one of the first direct expansion coil and the second direct expansion coil is in the operation state, and air passing through the combined air conditioning unit is fed into a room after reaching the preset temperature and the preset humidity. In winter, the two cold and heat sources of the air-conditioning system are alternately used, and the stability of the temperature and humidity of the operating room can be maintained.

The invention discloses a heat exchange water tank and a temperature control method. The temperature control method comprises the steps that the real-time temperature of liquid in a liquid storage tank is obtained according to a temperature sensor; the temperature difference value between the real-time temperature and the set temperature of the heat exchange water tank is calculated through the controller, and the heating or refrigerating current value of the heat exchange assembly is calculated according to the temperature difference value; an inner circulation pipeline is started, and heat convection is conducted on liquid in the liquid storage tank through the heat exchange assembly; and the external circulation pipeline is started to realize heat exchange between the liquid in the liquid storage tank and external equipment. According to the heat exchange water tank, the semiconductor refrigeration principle is utilized, temperature adjustment within the range of 15-39 DEG C is achieved, and the temperature adjustment time is shortened; and meanwhile, high-precision temperature control is achieved by combining a PID temperature control method, the method is suitable for the extracorporeal membrane oxygenation system, and the requirement for refrigeration of medical equipment during cardiac surgery is met.

A cardiothoracic construct fabricated from human birth tissue comprising at least one cross-linked amniotic membrane, or at least one cross-linked chorionic membrane, or at least one amniotic membrane, or at least one chorionic membrane, or any combination thereof wherein the membrane(s) is / are treated with at least one alcohol composition followed by terminal sterilization is provided. Methods of processing a membrane to form a cardiothoracic construct and methods of preventing adhesion after a cardiac surgical procedure are also provided.

A medicament for suppressing intracellular excess accumulation of sodium ions and a medicament for therapeutic and / or preventive treatment of cardiac disorders resulting from cardiosurgery operations which comprises an aminobenzenesulfonic acid derivative represented by the following general formula (I) or a salt thereof, or a hydrate thereof or a solvate thereof as an active ingredient.

The invention provides a cryoablation device applied to cardiac surgery. The cryoablation device is characterized in that the cryoablation device comprises a cryoablation probe, a cryoablation devicebody, a medium supply pipeline and a connection terminal, wherein the cryoablation device body is of a middle-through structure and comprises a handle part and a sheath part, and the handle part and the sheath part are mutually connected; the medium supply pipeline penetrates through the whole cryoablation device body, the first end of the medium supply pipeline penetrates out of the sheath part,and the second end part of the medium supply pipeline forms a handle part extension segment; the tail end of the first end part is provided with the cryoablation probe, and the tail end of the secondend part is provided with a connection terminal; and the cryoablation probe is provided with a flat acting surface. The equipment is the cryoablation device applied to the cardiac surgery, applicationof an atrial fibrillation cryoablation technology to the cardiac surgery field in China is further prompted, and an atrial fibrillation treatment effect is improved.

The invention discloses an automatic decompression regulating device for a left heart drainage tube, and particularly relates to the technical field of medical equipment. The automatic decompression regulating device for the left heart drainage tube includes a Y-shaped connection pipeline, an elastic gasket, a rotating shaft and a micro motor are arranged in the connection pipeline, a hauling cable is connected between the elastic gasket and the rotating shaft, one end of the rotating shaft is connected with an output shaft of the micro motor, the micro motor is fixed outside the connection pipeline, and a first prompting lamp is arranged outside the connection pipeline. The connection pipeline is internally provided with a pressure collection module, an infrared induction module, a storage module, a processing module and a control module. According to the technical scheme, the problem that the pressure in a pipeline of an existing left heart drainage system can not be automatically regulated is solved, and the device can be used for depressurizing an extracorporeal circulation set tube in cardiac surgery.