50 results about "Blood outflow" patented technology

A blood pump-oxygenator system (250A, 250B, 250C) for increasing perfusion and oxygen levels in the body of a patient (P), comprising: a blood inlet (80) and a blood outlet (90) connected to form a circuit operable as a cardiopulmonary bypass system suitable for extracorporeal treatment of the blood of the patient; a first blood pump (11) and a first oxygenator (20), wherein the first blood pump (11) is configured to deliver blood from the patient (P) through the circuit to the blood inflow port (80), through the first oxygenator (20), out of the blood outflow port (90) and back to the patient (P). The system further comprises a second blood pump (13) and a second oxygenator (21), wherein the second blood pump (13) is configured to deliver blood from the patient (P) through the circuit to the blood inflow port (80), through the second oxygenator (20), out of the blood outflow port (90) and back to the patient (P). The circuit comprises a first branch (101) and a second branch (102) arranged in parallel with each other, the first branch (101) accommodating the first blood pump (11) and the first oxygenator (20), and the second branch (102) accommodating the second blood pump (13) and the second oxygenator (21). The system further comprises a pump control unit (290) wherein the first and second blood pumps (11, 13) are configured to be controlled by the pump control unit (290) to increase or decrease the blood flow through the corresponding oxygenator (20, 21) by changing the proportion of the blood flow through the first and second oxygenator (20, 21).

A blood pump comprises a pump casing having a blood flow inlet and a blood flow outlet, and an impeller arranged in said pump casing so as to be rotatable about an axis of rotation. The impeller has blades sized and shaped for conveying blood from the blood flow inlet to the blood flow outlet. The blood pump also has an outflow cannula having an upstream end portion, a downstream end portion and an intermediate portion extending between the upstream end portion and the downstream end portion. The upstream end portion of the outflow cannula is connected to the pump casing such that blood is conveyed from the blood flow outlet of the pump casing into and through the intermediate portion of the outflow cannula towards the downstream end portion of the outflow cannula, wherein the downstream end portion has a blood flow outlet through which blood can exit the outflow cannula. At least a portion of the intermediate portion of the outflow cannula has an outer diameter that is larger than an outer diameter of the pump casing.

An intravascular blood pump (1) comprises a pump housing (2) having a blood inflow (21) and a blood outflow (22), and an impeller (3) arranged in the pump housing (2) to be rotatable about an axis of rotation, wherein the impeller (3) has blades (31) which are dimensioned and shaped for conveying blood from the blood inflow (21) to the blood outflow (22). The blood pump (1) further comprises a drive unit (4) for rotating the impeller (3), the drive unit (4) comprising a plurality of posts (40) arranged about the axis of rotation (10), wherein each of the posts (40) comprises a stem portion (41) and a head portion (42). Coil windings (470) around the posts are controllable in sequence to generate a rotating magnetic field. The drive unit (4) further comprises a back plate (50) which engages with the end (44) of the stem portion (41) of the posts (40) opposite the head portion (42).

The invention relates to the technical field of medical instruments, and discloses a two-way valve and a ventricle assisting device. The two-way valve comprises a valve body, the valve body is of a tubular structure with a proximal end and a telecentric end, a window is formed in the side wall of one side of the valve body, and a first contact area is arranged on the edge of the end, close to the telecentric end, of the window on the inner side wall of the valve body; the valve clack is rotatably arranged in the valve body, a concave part is arranged on the side, facing the window, of a telecentric arc section of the valve clack, a valve clack contact area is arranged at the position, opposite to the first contact area, of the valve clack, and the valve clack can rotate between a first state position and a second state position relative to the valve body. The opening window is opened or closed. According to the technical scheme, when the valve clack rotates to the first state position, the blood outflow path is increased due to the concave part of the telecentric arc section of the valve clack, so that the blood outflow amount is further increased, and the effect of assisting in pumping out blood is improved.

A vascular implant is provided for increasing the efficiency of blood flow through an aorta. The vascular implant includes a tubular shunt having a lumen for allowing blood to pass between an aorta and an inferior vena cava. An expandable reservoir is sized for placement in the inferior vena cava. The reservoir has a first region coupled to the tubular shunt and may include a second region formed with an exit port for allowing some blood to escape the reservoir into the inferior vena cava. The exit port reduces the possibility of stagnation in the reservoir. High pressure blood from the aorta temporarily passes through the tubular shunt and into the reservoir, such as during systole. When blood pressure reduces in the aorta, blood from the reservoir passes from the reservoir and through the shunt where it reenters the aorta, such as during diastole.

The utility model discloses a blood collecting and separating device which comprises a separating cup, the separating cup comprises a cup body, a cup cover, a static head, an upper cover and a lower cover, a blood inlet and a blood outlet in the top of the static head are both vertically arranged, and the upper cover and the lower cover are connected with the bottom of the static head; the upper end of the lower cover is communicated with the blood inlet to form a blood inflow channel, and a space between the inner walls of the upper cover and the lower cover is communicated with the blood outlet to form a blood outflow channel; the liquid inlet end of the blood inflow channel penetrates through the cup cover along the interior of the lower cover and extends into the bottom of the cup body; the liquid outlet end of the blood outflow channel penetrates through the cup cover to be located at the cup opening along the top of the cup body and enters the gap between the upper cover and the lower cover. By improving the structure of the static head, automatic assembly of the separation cup and a consumable pipeline during use can be facilitated, meanwhile, automatic assembly in the production process of the separation cup can be facilitated by improving the connecting structure between the static head and the upper cover and the connecting structure between the static head and the lower cover, and production efficiency is improved.

The application relates to the technical field of medical devices, in particular to a catheter pump assembly and a processing method thereof. The catheter pump assembly comprises a blood flow channel, a blood inflow cage and a blood outflow cage. The blood flow channel comprises a spring body support which is coiled by a shape memory alloy wire. The inner side of the spring body support is covered with an inner layer film, and the outer side is covered with an outer layer film. The two ends of the inner layer film and the outer layer film respectively extend to the two ends close to the spring body support, so that at least part of the spring body support is located at the connecting part of the blood flow channel, the blood inflow cage and the blood outflow cage. According to the technical scheme provided by the application, the connecting part of at least part of the blood flow channel, the blood inflow cage and the blood outflow cage is supported by the spring body support, thereby improving the bending resistance of the connecting part of the blood inflow cage, the blood outflow cage and the blood flow channel, overcoming the risk of breakage or falling of the connecting part, and ensuring the reliability of the catheter pump in use.

The invention relates to an interventional catheter pump, and belongs to the technical field of medical instruments. The catheter pump comprises a driving assembly and an intervention assembly, and the intervention assembly at least comprises a catheter and a pump head. During use, the driving assembly is located outside the human body, the pump head is located in the heart, and the driving assembly transmits power to the pump head through the power transmission assembly in the catheter. The pump head at least comprises a support and a covering film, the near end of the covering film is fixedly connected to the catheter and provided with at least one outlet for blood to flow out, and the far end of the covering film is matched with the support to synchronously change along with folding and unfolding of the support. When the stent is in a natural unfolding state, the covering film is in a folded state, and at least two folds are distributed from the near end to the far end. In a working state, folds of the covering film are basically flattened, the outer diameter of the covering film is in a decreasing trend from the near end to the far end, and the covering film and the heart valve are basically kept in circumferential fit in the valve closing period.

This invention relates to an intravascular blood pump, comprising a pumping device with a pump section and a drive section, wherein the pump section comprises a pump casing having a primary blood flow inlet and a primary blood flow outlet hydraulically connected by a primary passage and the drive section comprises a stator and a rotor rotatable about an axis of rotation and configured to rotate a primary impeller, the primary impeller being configured to convey a primary blood flow from the primary blood flow inlet to the primary blood flow outlet along the primary passage, the drive section further comprises an ancillary blood flow inlet and an ancillary blood flow outlet hydraulically connected by an ancillary passage extending through an axial gap between the rotor and the stator and an ancillary impeller arranged at a drive section end (DSE) of the rotor and rotatable about the axis of rotation along with the rotor, the ancillary impeller comprising one or more ancillary impeller vanes configured to convey an ancillary blood flow (ABF) from the ancillary blood flow inlet to the ancillary blood flow outlet along the ancillary passage in a direction toward a pump section end (PSE) of the pumping device, and the rotor is mounted in a blood-purged radial sliding rotor bearing with an inner rotor bearing surface and an outer rotor bearing surface, and the ancillary impeller forms the inner rotor bearing surface of the radial sliding rotor bearing.

The invention discloses a catheter implantation system of a percutaneous intervention type axial flow blood pump. The catheter implantation system comprises the axial flow blood pump and a conveying device matched with the axial flow blood pump. The axial flow blood pump comprises an impeller assembly, a flexible shaft transmission assembly and a handle assembly, the impeller assembly and the handle assembly are connected through the flexible shaft transmission assembly, and the impeller assembly comprises an elastic support, a covering film, a blood pump body, an impeller rotor, an impeller shaft, a far-end supporting bearing, a cage frame and a flow guide tail cone; the elastic support structure is made into a petal shape, and the covering film wraps and fixes the root of the elastic support to the cylindrical surface of the blood pump body. The cage frame and the blood pump body are integrally machined and manufactured, the cage frame and the flow guide tail cone are welded, the two far-end supporting bearings are installed at the two ends of an inner hole cavity of the flow guide tail cone, the impeller shaft penetrates through the far-end supporting bearings, the far end of the impeller shaft is fixedly connected with the impeller rotor, and the impeller rotor is located in the blood pump body. A blood outflow hole is formed between every two adjacent cage frames.

A blood pump-oxygenator system for increasing perfusion and oxygen level in a patient comprises a blood flow inlet and outlet forming a circuit operable as a cardiopulmonary bypass system for extracorporeal processing of blood, a first blood pump and first oxygenator. The first blood pump conveys blood through the circuit from the patient into the blood flow inlet, through the first oxygenator and out of the blood flow outlet back into the patient. The system further comprises a second blood pump and second oxygenator. The second blood pump conveys blood through the circuit from the patient into the inlet, through the second oxygenator and out of the outlet back into the patient. A pump control unit controls the first and second pumps to increase or decrease blood flow rate through the respective oxygenator to vary a ratio of flow rates of blood through the first and second oxygenators.

An oxygenator system includes: a canister; a membrane in the canister to provide a gas transfer with blood; a blood inflow tube to deliver blood to the canister; and a blood outflow tube to deliver blood from the canister, wherein one or more of the blood inflow tube or the blood outflow tube includes a curved portion.

The invention discloses a filling type catheter and a ventricular auxiliary device, and belongs to the technical field of medical instruments. The catheter in the aorta comprises a multi-cavity catheter body, a first cavity and a second cavity which are isolated from each other are arranged in the catheter body, a blood inlet is formed in the proximal end of the first cavity and communicated with blood in the aorta, and medium fluid flows in the second cavity and is not communicated with the blood. A bleeding part is arranged on the multi-cavity tube body and comprises a bleeding hole formed in the tube wall and a balloon which can be filled and is located on the side, close to the heart end, of the bleeding hole. The fillable balloon is communicated with the second cavity through an extension pipeline with supporting performance, when the fillable balloon is in the first state, the filling medium is bulged and blocks the sealed bleeding hole, and when the fillable balloon is in the second state, the non-filling medium is away from the bleeding hole and opens the bleeding hole to enable blood to flow out. The ventricular auxiliary device further comprises a diaphragm pump and a control host, and the control host drives the diaphragm pump to suck or pump blood and controls the full balloon to expand or contract. Accurate control of blood flow is achieved through the controllable balloon, and effective auxiliary circulation support is provided for patients with heart diseases.

Various aspects of this disclosure are directed toward a percutaneous circulatory support device for use with a guidewire, the device comprising a housing having an interior lumen, an exterior surface, a blood inlet, and a blood outlet that includes at least one blood outflow window. An impeller is disposed within the interior lumen, with the impeller configured to rotate relative to the housing to cause blood flow into the blood inlet, through the interior lumen of the housing, and out of the blood outlet. A motor is operatively coupled to the impeller, the motor configured to rotatably drive the impeller, wherein the exterior surface of the housing adjacent the at least one blood outflow window comprises a marking.

The utility model relates to the technical field of centrifugal machines, and discloses a centrifugal machine facilitating uncapping of blood collection tubes, which comprises a centrifugal machine body, a mounting shaft is rotatably arranged in the centrifugal machine body, a detachable rotating frame is mounted on the mounting shaft, a plurality of mounting grooves distributed annularly are formed in the detachable rotating frame, and hanging baskets are mounted in the mounting grooves. A plurality of test tube insertion holes which are distributed at intervals are formed in the hanging basket and are used for placing blood collection tubes; when the blood collection device is used, the blood collection tube is placed in the test tube insertion hole of the hanging basket, and the cover plate assembly is matched with the elastic supporting assembly to extrude the test tube cap at the top of the blood collection tube, so that the phenomenon that blood in the blood collection tube flows out due to the fact that the test tube cap falls off in the centrifugal process is avoided; in addition, the blood collection tubes with different diameters placed in the test tube insertion holes can be clamped and fixed through the arranged clamping assembly, and damage and leakage caused by collision of the blood collection tubes and the inner walls of the test tube insertion holes in the centrifugal process are avoided.

An intravascular blood pump for percutaneous insertion into a patient's vasculature comprises a pumping device (30) and a supply catheter. The pumping device comprises a pump section with a blood flow inlet, blood flow outlet, and impeller for conveying blood from the inlet to the outlet and further comprises a drive section connected to the pump section and adapted to drive the impeller. The supply line supplies the drive section with electric energy for driving the impeller. An anchoring structure (25A) is provided at a distal end region of the intravascular blood pump. A connecting catheter (25) may be attached to the anchoring structure from distally in order to guide the intravascular blood pump through the patient's vasculature in a distal direction.

The application aims to provide a series blood pump with large flow and small hemolysis, comprising a blood flow channel and a pumping unit, one end of the blood flow channel is provided with a blood inflow port, the other end is provided with a blood outflow port, the pumping unit comprises an impeller and a motor set for driving the impeller to rotate, the blood pump is used in the process of interventional heart through blood vessels, the plurality of motors are separated from each other, the length of the continuous rigid section is reduced, and therefore the over-bending requirement of the blood vessel can be met; after reaching the designated position in the heart, the connecting mechanism drives the adjacent motors to be connected into a whole, that is, the torques of the plurality of motors are superposed, and therefore a larger load-impeller can be driven to rotate, so that the pumping flow of the blood pump is increased. Under the premise that the flow meets the human body demand, the rotating speed of the series blood pump can be greatly reduced compared with the common blood pump, and therefore the hemolysis can be further reduced.

The invention discloses an anti-displacement artificial heart valve stent, and relates to the technical field of valve stents.The anti-displacement artificial heart valve stent comprises a stent body which is of a net-tube-shaped structure and comprises an inflow section, a transition section and an outflow section which are sequentially arranged in the axial direction, and a valve blade is arranged in the transition section; the end, away from the transition section, of the inflow section is an inflow end for blood inflow, and the end, away from the transition section, of the outflow section is an outflow end for blood outflow. In a natural state, the inflow end and the outflow end are gradually expanded outwards in the direction away from the transition section; the auxetic section is arranged between the transition section and the outflow section in the axis direction of the stent body; the auxetic section is of a geometrical structure with the negative Poisson's ratio characteristic, and when the auxetic section is subjected to axial impact force of blood, the auxetic section deforms to convert axial stretching displacement into radial expansion displacement. According to the present invention, the anti-displacement performance is excellent, the blood vessel is not damaged, and the long-term stability and reliability are provided.

A blood pump comprises a pump casing having a blood flow inlet and a blood flow outlet, and an impeller arranged in said pump casing and rotatably supported in the pump casing by a bearing so as to be rotatable about an axis of rotation. The impeller has blades for conveying blood from the blood flow inlet to the blood flow outlet. The bearing comprises at least one stationary bearing portion coupled to the pump casing and having a stationary bearing surface that faces radially outwards. The bearing further comprises a rotating bearing surface interacting with the stationary bearing surface to form the bearing, wherein the rotating bearing surface faces radially inwards and is formed on an exposed radially inner edge of the blades. The blades are designed to draw blood deposit on the stationary bearing surface in a radially outward direction.

A blood pump may be provided that may include a pump housing and a catheter operably coupled to the pump housing. The pump may include a flexible outflow cannula having a proximal portion operably coupled to the catheter, blood flow outlets, and a distal portion operably coupled to the pump housing. The proximal portion of the flexible outflow cannula may have a coupled portion coupled to the catheter and an uncoupled portion extending distally from the coupled portion, where at least one slit may be formed through the entire coupled portion. The slit may extend distally from the coupled portion through at least a portion of the uncoupled portion and connect to a proximal end of at least one of the blood flow outlets (“cut outlets”), the cut outlets having a tapered proximal end and extending distally from the uncoupled portion.

A blood pump comprises a pump casing having a blood flow inlet and a blood flow outlet connected by a passage, and an impeller arranged in said pump casing so as to be rotatable about an axis of rotation. The impeller is provided with blades sized and shaped for conveying blood along the passage from the blood flow inlet to the blood flow outlet, and is rotatably supported in the pump casing by a first bearing at a first axial end of the impeller and a second bearing axially spaced apart from the first bearing. The first bearing comprises a projection extending along the axis of rotation and connected to one of the impeller and the pump casing and a cavity in the other one of the impeller and the pump casing, the projection comprising an enlarged portion that engages the cavity such that the first bearing and the second bearing are arranged to bear axial forces in the same axial direction.

The utility model relates to a kind of extracorporeal circulation venous intubation kits, including venous intubation, the venous intubation has hollow drainage cavity, is divided into front section, middle section and rear section, wherein the diameter of front section is less than the diameter of rear section, the middle section is transition section and is conical, the front section is equipped with support part, the support part is enclosed by several support strips, spacing is equipped between each support strip, the middle part of front section tip is drainage hole one, support steel wire is equipped in the venous intubation, thread tooth is equipped around the head of rear section, venous intubation is connected with guide core cover through connecting piece, guide wire passes through guide core, and venous intubation is guided into blood vessel by guide wire, the utility model structure is simple, can effectively prevent that venous intubation because patient blood volume is insufficient and the effect of exerting negative pressure leads to that the blood flow hole of venous intubation is wrapped, blocked by blood vessel inner wall, influence the effect of venous drainage.

The invention relates to the technical field of medical instruments, and discloses a disposable arteriovenous puncture outfit which comprises a hose with one end provided with a puncture needle and further comprises a damping type flow control mechanism. The hollow drainage shell is communicated with the other end of the hose, and the interior of the hollow drainage shell is of a hollow structure; the movable valve plate is placed in the hollow drainage shell and can play a role in one-way flow guiding; the spiral spring is placed in the hollow drainage shell and can play an elastic damping effect on the movable valve plate; and the sealing ring can prevent blood leakage. According to the disposable arteriovenous puncture outfit, when a blood transfusion tube falls off, flowing blood can be blocked in time, so that the blood outflow phenomenon is prevented, in addition, the blood flowing state can be effectively controlled, and the stability and the safety degree of equipment in the puncture drainage process are improved.

The application is a catheter pump with oxygen supply function which can improve oxygen supply of body circulation, the proximal end of the motor is connected with the catheter, the distal end is coaxially connected with an impeller, the outer periphery cover of the impeller is provided with a blood outflow cage, the distal end of the blood outflow cage is fixed with the proximal end of a blood inflow cage through a sleeve, the distal end of the blood inflow cage is further connected with a pigtail tube, an oxygen supply unit is arranged on the blood outflow cage, the oxygen supply unit generates oxygen according to physiological signals collected by a sensing unit in the ascending aorta according to time and demand, and releases the oxygen into the blood in the ascending aorta. In the process of assisting the heart to pump blood, the catheter pump can simultaneously supplement oxygen into the blood by using the oxygen supply unit, and improve the hypoxia condition of the whole body tissue. The oxygen supply unit is integrated on the catheter pump, and the catheter pump is intervened through the blood vessel together with the oxygen supply unit, so that the operation is simple, the damage to the blood vessel is reduced, the risk of gas embolism is reduced, the oxygen is better distributed, the oxygen supply mode is more in line with the physiological state, and the recovery of the patient is facilitated.

This application relates to the field of interventional medical technology, and in particular to a vascular occlusion device and its method of use. This vascular occlusion device eliminates the need for a locator during use; it accurately determines the location of the blood vessel to be occluded simply by checking for blood flow from the return port. This precise determination of the distance between the fixator inserted into the skin and the blood vessel meets the needs of emergency patients, reduces the number of steps required by the surgeon, and greatly improves surgical efficiency. By reciprocating the rotation of a wrench, the delivery tube moves back and forth, adjusting the angle of the anchor plate to ensure it is fully exposed within both the inner and outer delivery tubes. This guarantees that the anchor plate will adhere tightly to the vessel wall during subsequent vascular occlusion, fundamentally preventing abnormal blood flow and thrombosis, thus ensuring sufficient safety in the vascular occlusion procedure.

This invention relates to a control device (100) for controlling the blood flow Q of an intravascular blood pump (50) for percutaneous insertion into a patient's blood vessel. 泵 (t), the blood pump (50) includes a pump unit (52) and a drive unit (51) for driving the pump unit, and the pump unit is configured to deliver blood from a blood inlet (54) toward a blood outlet (56), wherein the control device (100) is configured to operate the blood pump (50) in a selectable zero-flow control mode, wherein the blood flow command signal Q 泵 设定 (t) is selected, and the control device includes a first controller (401) and a second controller (402), wherein the first controller (401) is configured to adjust the speed command signal n for the drive unit (51). 泵 设定 (t) to control blood flow Q 泵 (t), and the second controller (402) is configured to control the drive speed n of the drive unit (51). 泵 (t). In addition, the present invention relates to a system comprising an intravascular blood pump (50) for assisting the heart and a control device (100) for controlling the blood pump (50).

The application aims to provide a ventricular assist conduit pump with small energy loss, high pumping flow and large lift, comprising a motor and a blood flow channel, a impeller is coaxially fixed on a distal motor shaft of the motor and located in the blood flow channel, the motor drives the impeller to rotate to suck blood from an inlet of the blood flow channel and pump the blood out from an outlet, a flow guide part is arranged between the motor and the impeller, the flow guide part comprises a conical column-shaped flow guide stator and guide vanes arranged on an outer circumferential surface of the flow guide stator, the extension direction of the guide vanes is helical, and the twist direction of the guide vanes is opposite to the twist direction of blades of the impeller. The flow guide part is arranged between the motor and the impeller, since the blood rotates along a second twist direction at an outlet of the blades, since the guide vanes also twist along the second twist direction at the distal end, i.e. consistent with the rotation direction of the blood, the function of receiving and guiding the blood is achieved, the blood is prevented from colliding with the guide vanes after flowing out of the impeller, the flow field is disturbed, and unnecessary energy consumption is reduced.

The invention relates to the technical field of medical instruments, and discloses a two-way valve and a ventricular assist system. The two-way valve comprises a valve body, the valve body is of a tubular structure with a proximal end and a telecentric end, a window is formed in the side wall of one side of the valve body, and a first contact area is arranged on the edge of the end, close to the telecentric end, of the window on the inner side wall of the valve body; the valve clack is rotatably arranged in the valve body, the upper part of a near-center arc section of the valve clack is hollowed out, a second contact area is arranged at the position, opposite to the first contact area of the valve body, of the valve clack, and the valve clack can rotate between a first state position and a second state position relative to the valve body so as to open or close the window. According to the technical scheme, on the premise that the proximal arc section of the valve clack is hollowed out, enough balance weight is provided and the force arm is increased, the telecentric arc section and the corresponding opening window can also be correspondingly enlarged, and therefore the blood outflow amount can be further increased, and the blood pumping assisting effect is improved.

The application discloses an intelligent wound drainage bag monitoring system, which connects a surgical area and an external drainage bag through a drainage tube, and comprises an integrated sensor arranged on the drainage tube, wherein the integrated sensor comprises an optical sensor, a temperature sensor, a turbidity sensor, a flow sensor and a pressure sensor; the system further comprises a microcontroller connected with the sensors for data acquisition, processing and control, and a power supply for power supply. The system can monitor multiple indexes of drainage liquid in real time through the integrated multiple sensors, and can transmit the data to an external device through Bluetooth or other wireless technology to help medical staff to discover abnormalities in time and make a response. The pressure sensor integrated at the end of the drainage tube can further monitor the pressure change of the surgical area. The intelligent monitoring system can discover abnormalities in time, such as a large amount of blood outflow, so as to avoid misdiagnosis and missed diagnosis, can take intervention measures in time, obviously reduces the risk of patients, and improves the effect of clinical diagnosis and treatment.

The present application relates to the technical field of medical equipment, in particular to a pressure control intermittent coronary sinus occlusion device, which comprises a conveying mechanism, the bottom of the conveying mechanism is provided with an adjusting mechanism, the conveying mechanism comprises a conveying pipe, and the top of the conveying pipe is provided with a display mechanism through bolt mounting. The present application has the beneficial effects that the positive and negative rotation motor can drive the winding roller to rotate to wind the catheter body, the catheter body can be orderly stored, the balloon is intermittently inflated and deflated, the balloon is intermittently fluctuated, ice water can be added in the balloon through the water inlet pipe to adjust the blood vessel flow rate, the PICSO pulse system improves the microcirculation function of ischemic sites by intermittently blocking the coronary sinus outflow tract, reduces the ischemia perfusion injury to reduce the infarction area, realizes myocardial reperfusion as soon as possible, the coronary sinus is blocked by compression to reduce the acute myocardial infarction myocardial necrosis degree, and the permanent magnets are used for mutual adsorption, so that the electrode pieces can be quickly installed and dismounted.