751 results about "Intubation" patented technology

A modular disease management system may provide medication management for a patient. The system may include a base configured to at least partially couple to a tissue site of a patient. The system may further include a medication bladder coupled to the base and configured to maintain medication. The system may further include a medication pump coupled to the medication bladder, comprising a conduit and muscle wire-actuated plungers, wherein the medication pump is configured to cause the medication to flow from the medication bladder through the conduit. The system may further include a cannula insertion device coupled to the medication pump via the conduit, wherein the cannula insertion device comprises a cannula, a spring, and a triggering component, wherein the cannula insertion device is configured to insert the cannula into the tissue site of the patient by actuation of the spring released by the triggering component.

The ureter and urine bag comprises a urine bag body, a spiral pipe, a connecting pipe, a threaded connector pipe and a urine guiding pipe, the threaded connector pipe comprises a pipe body and an insertion pipe, internal threads with the thread pitch being 1.8-2.2 mm are machined on the inner wall of the pipe body, external threads matched with the internal threads are machined on the outer wall of the insertion pipe, and the spiral pipe is connected with the connecting pipe. Two groups of wing plates are symmetrically arranged on the outer wall of the cannula to provide rotating acting points, and a collecting assembly is integrated on the side wall of the urine bag and used for aseptically collecting urine samples. Traditional plug-pull type connection is replaced by a precise thread fit structure, a clear rotating force application point is provided for medical staff, operation is labor-saving and convenient, connector pollution is avoided, the urinary tract infection risk is effectively reduced, and the nursing comfort of a patient is improved.

The utility model discloses a pressing-propelled trachea cannula fixator which comprises a bottom plate capable of being worn on the mouth of a patient, a notch corresponding to the oral cavity position of the patient is formed in the bottom plate, a guide sliding groove is fixed to the bottom plate, a long toothed plate is connected into the guide sliding groove in a sliding mode, and a clamping head is fixed to one end of the long toothed plate. A clamping groove is formed in the end, away from the long toothed plate, of the chuck, the chuck and the clamping groove are matched to fix the trachea cannula, the long toothed plate is connected with a pressing and pushing mechanism and a locking mechanism, the pressing and pushing mechanism comprises a trapezoidal driven block fixedly connected with the long toothed plate, the trapezoidal driven block is connected with a trapezoidal driving block in a matched mode, and the trapezoidal driving block is fixedly connected with a push rod. The trapezoidal driving block is fixedly connected with a first reset spring, and the first reset spring is arranged in a spring seat and connected to the push rod in a sleeving mode. And a guide separation blade is also fixed on the long toothed plate. The fixing device adopts a pressing propelling structure, so that compared with a thread rotating propelling mode, more time is saved, and clamping and loosening operations are more convenient.

The invention belongs to the field of medical coatings, and particularly relates to a coating with anesthesia and antibacterial functions and a preparation method thereof. The preparation method comprises the following steps: (I) preparation of a substrate coating, (II) preparation of a drug-loaded hydrogel coating, and (III) preparation of the coating with anesthesia and antibacterial functions. According to the preparation method, on one hand, the problems that nano-particles are insufficient in drug loading capacity, easy to fall off, irritant, non-uniform in release and the like are solved, and on the other hand, the problem that the long-term release performance of hydrogel is not ideal is solved. A plurality of functions (anesthesia and antibiosis) are integrated by pre-treating a substrate material (such as a medical catheter), a commodity suitable for multiple scenes can be prepared, the clinical use is convenient, the adverse reaction of an organism can be greatly reduced, and the risks of secondary intubation and tracheotomy are reduced.

The present disclosure provides devices and methods for insufflating abdomens of subjects under direct visualization. Such devices and methods, in some implementations, include features for cleaning the devices, and certain implementations of the methods permit procedures wherein it is not necessary to use a typical obturator to place a cannula, resulting in safer procedures.

The invention relates to the technical field of trachea cannulas, in particular to a multifunctional respiratory intervention trachea cannula which comprises a cannula body, an air bag is arranged at the insertion end of the cannula body, the air bag is connected with an inflation and deflation pipeline, an annular channel is formed in the side, close to the air bag, of the cannula body, and an angle adjusting assembly is arranged in the annular channel; the angle adjusting assembly comprises a plurality of bent pipes which are rotationally connected in sequence, and in every two adjacent bent pipes, at least one bent pipe is connected with a driving structure for driving the bent pipe to rotate relative to the other bent pipe; a liquid collecting groove is formed in the side, away from the inserting end of the catheter body, of the air bag, and a diluent pipeline and a sputum suction pipeline with one ends extending into the liquid collecting groove are arranged on the catheter body. According to the angle adjusting assembly, through the stacked design of the multiple small-angle bent pipes, precise control over the bending angle of the pipe body is achieved. By rotating the bent pipe, the combined form of the bent pipe can be gradually adjusted, so that the insertion end of the pipe body is accurately aligned with the glottis.

The invention discloses an extracorporeal circulation system and a control method thereof, and relates to the technical field of medical instruments. The extracorporeal circulation system comprises a membrane oxygenator, a microembolus filter, a rolling pump, a first pressure detector and a second pressure detector; a liquid inlet of the membrane oxygenator is communicated with the arterial cannula; the microembolus filter is circularly communicated with the membrane oxygenator, and the liquid outlet end of the microembolus filter is communicated with the venous cannula; the rolling pump is circularly communicated with the membrane oxygenator; the first pressure detector is communicated with the rolling pump and is used for detecting the outlet liquid pressure of the rolling pump and generating a first pressure signal; the second pressure detector is communicated with the microplug filter and is used for detecting the inlet liquid pressure of the microplug filter and generating a second pressure signal; the structure of the extracorporeal circulation system and the control method of the extracorporeal circulation system are improved, the accuracy and timeliness of medical staff for judging the oxygenation effect of the membrane type oxygenator are improved, the membrane type oxygenator can be replaced in time, a large number of complications can be avoided, and the death rate of patients is reduced.

The invention relates to the technical field of trachea cannulas, and provides a monitoring type pressure sore prevention trachea cannula which comprises a trachea cannula and a cannula fixator, the trachea cannula penetrates through the interior of the cannula fixator, the cannula fixator comprises a fixator body, a sliding plate, a top cover and a bandage, and through the arrangement of the cannula fixator, the sliding plate and other structures, the pressure sore prevention trachea cannula can be effectively monitored. The cannula fixator adopts high-density dressing and an elastic bandage to ensure that the cannula fixator is tightly attached to the mouth of a patient and is comfortable, the design of a sliding plate can be flexibly adjusted according to requirements, a clamping structure of an embedded block and an elastic rubber pad is stable and reliable, a top cover is in threaded connection, a cannula body can be easily fixed, meanwhile, a visible window is provided, and the visual effect is good. Oral cavity diagnosis and treatment, sputum suction, oral cavity nursing, specimen reserving and taking and other operations are facilitated, respirator-associated pneumonia is effectively prevented, the safety of a patient and clinical operation convenience are improved, and the problem of pressure sores in the prior art is solved through the technical scheme.

The double-cavity cannula comprises a cannula body, the cannula body comprises an outer tube with an opening in the upper end and an inner tube coaxial with the outer tube, the upper end of the outer wall of the cannula body is provided with a connecting part communicated with the cannula body in a matched mode, a plurality of blood guide side holes are formed in the lower portion of the outer wall of the outer tube, and the opening in the lower end of the inner tube is communicated with a blood guide hopper. A blood return assembly is arranged on the inner wall of the outer tube and above the blood guide hopper, a blood flow guide cover is arranged on the inner wall of a blood return opening of the blood return assembly in a matched mode, a balloon capable of being filled and emptied is arranged on the outer wall of the outer tube and above the blood guide side hole, a filling valve is arranged on one side of the outer wall of the connecting part, and the filling valve is communicated with the balloon through a filling pipeline. When blood is guided, the conditions of local blood vessel wall adsorption and unsmooth blood guiding cannot be easily caused by the design of the blood guiding side holes, and the injection effect, blood turbulence and hemolysis risk increase cannot occur during blood return.

A method is provided that includes inserting an inflow cannula of a left ventricular assist device (LVAD) of a LVAD system into a left chamber of a heart of a patient transeptally via a right atrium and a superior vena cava (SVC). An outflow cannula of the LVAD is coupled to a left subclavian artery or a left axillary artery. Other embodiments are also described.

The invention discloses a rotatable closed type sputum suction tube. The closed sputum suction tube comprises a sputum suction tube assembly and a three-way connector connected with the sputum suction tube assembly, the sputum suction tube assembly comprises a sputum suction tube and a thin film protective sleeve arranged outside the sputum suction tube in a sleeving mode, and the three-way connector is provided with a trachea cannula connector, a breathing machine connector and a sputum suction tube connector. The sputum suction pipe is connected with the sputum suction pipe connector through the sputum suction pipe first sleeve connector, and one part of the sputum suction pipe is rotationally connected with the sputum suction pipe first sleeve connector. A rotatable one-way valve is further arranged in the first sleeve connector of the sputum suction pipe, one end of a valve channel of the rotatable one-way valve is fixedly connected with the sputum suction pipe, and a pipeline of the sputum suction pipe is communicated with the valve channel of the rotatable one-way valve. According to the sputum suction tube, the rotatable design is adopted, the position of the tube can be adjusted according to needs, the sputum suction tube is more suitable for a tracheostomy catheter of a patient, the stability of a breathing machine loop is not affected, and meanwhile the problem that the patient feels uncomfortable due to improper height and angle is solved.

Systems are provided including a sheath and cannula combination device for permitting a user to select between directing blood flow through a first cannula portion of the combination device in a cannula mode and enabling an interventional medical procedure through a second sheath portion of the combination device in a sheath mode, or performing both modes simultaneously. The combination device may include a connector hub configured to auto-washout stasis regions of blood within the first cannula portion. The system may include a series of removable caps for temporarily sealing the first and / or second portions of the combination device, such that the user may seamlessly select when to use the combination device in the cannula mode, the sheath mode, both the cannula and sheath modes simultaneously, or neither the cannula mode nor the sheath mode.

The utility model discloses a simple plug-in clysis flushing appliance, which comprises a liquid storage bag, a connecting tube, an intubation tube and a sealing ring, flushing fluid is stored in the liquid storage bag, one end of the connecting tube is connected with the liquid storage bag and used for leading out the flushing fluid in the liquid storage bag, the intubation tube is suitable for being inserted into the anus of a patient, and the sealing ring is arranged on the connecting tube. The other end of the connecting pipe is connected with the tail end of the intubation tube, a plurality of grooves are formed in the surface of the intubation tube, extend in the length direction of the intubation tube and are distributed at intervals in the circumferential direction of the intubation tube, a plurality of liquid outlet holes are formed in each groove, the liquid outlet holes are all communicated with the connecting pipe, and the liquid outlet holes are communicated with the connecting pipe. The sealing ring is arranged on the outer surface of the cannula and can be switched between the contracted state and the expanded state, when the sealing ring is in the expanded state, a gap between the cannula and the anus can be blocked, and the sealing device is simple in structure, convenient to use and good in using effect.

The disclosed technology relates to an intubation mode and automatic data transfer to an electronic medical record for a patient. In an example the technology relates to an anesthesia machine that performs operations including receive sensor data from one or more connected sensors; display, on the display, patient parameters based on the received sensor data, wherein the patient parameters are displayed in a first display configuration; receive video data from a video laryngoscope; receive an indication to enter an intubation mode; in response to the indication, display, on the display, the video data and the patient parameters in a second display configuration; receive an indication to exit the intubation mode; and in response to the indication to exit the intubation mode, remove the video data from the display and display the patient parameters in the first display configuration.

The utility model relates to the technical field of catheter placement devices, and discloses a sow catheter intubation auxiliary device which comprises an expansion column made of transparent materials, and an illuminating lamp is inserted in the middle of the expansion column; the inflation part is arranged on the surface of the expansion column and is made of a transparent material, and at least one catheter clamp is arranged on the surface of the inflation part; the moving part is located on the outer side of the inflation part and slidably connected with the expansion column, and a top inner cavity is higher than the top face of the clamp; the amplifying part is adjustably arranged at the top of the moving part corresponding to the urethral orifice of the sow. Through the cooperative arrangement of the expansion column, the illuminating lamp and the inflation piece, the whole body can be a luminous body in use, the illuminating effect is achieved, and the sow vaginal orifice inserting device is more convenient to insert into the sow vaginal orifice.

Some implementations of the disclosure are directed to a eustachian tube dilator system including: a housing for removably inserting an endoscope, the housing including an insert ratchet mechanism or top down ratchet mechanism configured to couple to a proximal rigid end of the endoscope; and a hollow balloon cannula coupled to and distally extending from the housing, the hollow balloon cannula including a curved distal end configured to couple to a flexible distal end of the endoscope, and the hollow balloon cannula configured for insertion of a balloon catheter used for eustachian tube dilation such that a distal balloon of the balloon catheter is advanced through the hollow balloon cannula from a proximal opening of the hollow balloon cannula to a distal opening of the hollow balloon cannula.

The invention relates to the technical field of medical robots, in particular to a three-dimensional reconstruction method and system for a nasal jejunum catheterization robot. The method comprises the following steps: acquiring endoscope image data in real time through an endoscope camera and a data transmission channel, and performing preliminary denoising and enhancement; a parallel processing architecture is adopted, and the endoscope image data is divided, subjected to image denoising and enhancement again, improved in image contrast and subjected to distortion correction processing in sequence; carrying out dynamic modeling on the newly collected image data in the nasal jejunum dynamic three-dimensional model; performing dynamic path planning and attitude adjustment, and detecting errors in real time; the system comprises a data acquisition module, a data parallel processing module, a dynamic modeling module and an adjusting module. In this way, the real-time performance, the soft tissue adaptability and the catheter positioning information precision can be met, and therefore the reliability of nasal jejunum catheterization operation is improved.

The invention discloses a medical catheter finished product performance detection device and method, the device comprises a bottom plate and a detection cylinder, the top of the bottom plate is provided with the detection cylinder and a support, the detection cylinder is internally provided with a detection simulation unit, and the detection simulation unit comprises a simulation layer, an air bag layer and a fixed cylinder which are sequentially arranged from inside to outside; a flexible detection sensor is embedded in the inner wall of the simulation layer, connecting pipes are installed on the sides, facing the detection cylinder, of the first connector and the second connector in a penetrating mode, and the connecting pipes and the sealing clamping bases are used for connecting the two ends of the guide pipe. Through the arrangement of the detection simulation unit, different physiological environments can be simulated, the influence of different use physiological environments on the liquid passing performance in the catheter can be detected, then accurate dosing in the use process of the catheter is ensured, and the external friction force of the catheter in different intubation environments is detected; the catheter with proper friction performance can be selected according to the insertion environment, and the human body comfort is improved when the medical catheter is used in an insertion mode.

The invention relates to a postoperative gastrointestinal function monitoring method integrating flexible sensing and AI, and the method comprises the steps: placing a flexible electronic skin sensor in the abdominal regions of a plurality of patients, carrying out the collection of abdominal acoustic signals, obtaining a plurality of abdominal acoustic signals, and constructing a data set; preprocessing a plurality of samples in the data set, and dividing the preprocessed data set into a training set and a test set; constructing a gastrointestinal function monitoring model, and inputting the training set into the gastrointestinal function monitoring model for training; inputting the test set into the gastrointestinal function monitoring model obtained after training to judge the gastrointestinal peristalsis state; the method is used for assisting a doctor to know the gastrointestinal function state of a patient in real time, a flexible electronic skin sensor is adopted to be attached to the abdomen to collect signals, intubation or radiation examination is avoided, and the pain and infection risk of the patient are reduced; by means of artificial intelligence, the gastrointestinal function monitoring model is adopted to efficiently monitor the gastrointestinal peristalsis state in real time, and doctors are assisted in formulating a treatment scheme.

Devices and methods are provided for delivering gas. In one example, the device includes a syringe body including a proximal end, a distal end including an outlet and a gas chamber communicating with the outlet, and a plunger carrying a piston slidably received within the syringe body. A canister containing a gas is provided within the plunger adjacent a passage through the piston communicating with the gas chamber. A drive actuator is movable to cause an opener pin to open a septum of the canister and release the gas, whereupon the gas travels through the passage into the gas chamber, thereby displacing the piston proximally to fill the gas chamber. Once activated, the plunger may be advanced to deliver the gas within the gas chamber through the outlet into a patient's body, e.g., into an eye via a cannula connected to the outlet.

The present disclosure generally relates to microsurgical instruments for ophthalmic surgical procedures, and more particularly, methods and microsurgical instruments for vitreoretinal procedures. In certain embodiments described herein, a vitreoretinal procedure is performed utilizing two surgical instruments: 1) a treatment instrument configured to a) treat a target ophthalmic tissue (e.g., sever and remove the vitreous body), and b) infuse fluid into the intraocular space to maintain intraocular pressure (IOP); and 2) an illumination probe for providing illumination within the intraocular space. The combined treatment and infusion functionalities of the treatment instrument eliminate the need for a separate infusion cannula, thus enabling the vitreoretinal procedure to be performed with only two instruments and reducing the number of incisions made in the eye. Additionally, utilization of two instruments facilitates easier manipulation of the eye by a surgeon, as one of the two instruments can be used to “steer” the eye during the procedure.

The invention relates to a self-adaptive laryngeal mask intubation system and method based on anesthesia depth monitoring feedback. The method comprises the following steps: acquiring flow velocity data of gas in a laryngeal mask microfluid channel in real time and denoising to obtain smooth flow velocity data; detecting the deviation between each data point in the smooth flow velocity data and the target flow velocity in real time, and determining the data point of which the deviation is greater than a preset threshold value as an abnormal point; calculating the adjustment amount of the gas parameter according to the abnormal type of the abnormal point and a preset adjustment logic; generating an adjusted flow velocity control signal in combination with safety constraints; and then calculating a comprehensive trend index of the physiological data of the patient fused with the adjusted flow rate control signal, determining a drug delivery amount by adopting a fuzzy control algorithm, and adjusting the flow rate of the drug in the microfluid channel according to the drug delivery amount. By adopting the method, real-time deviation detection and dynamic adjustment can be performed in combination with the anesthesia depth in a complex physiological environment, and accurate mapping of the flow velocity value and the anesthesia depth state of a patient is ensured.

The invention discloses a conical catheter connector which is used for being connected with an anesthesia catheter and comprises a cannula connector provided with a conical inner cavity partially extending in the axis direction. The elastic piece is provided with a conical peripheral surface and is sleeved in the conical inner cavity through the conical peripheral surface; a mounting hole for inserting the guide pipe is formed in the elastic piece along the axis direction; the infusion connector is detachably connected to the cannula connector and used for being connected with an infusion apparatus; when the cannula connector and the infusion connector are in an assembled connection state, the infusion connector can be constructed to apply axial compression force to the elastic piece, so that the elastic piece slides towards one side of the catheter in the conical inner cavity and expands towards the wall face of the conical inner cavity, the radial size of the elastic piece is increased, and the aperture of the mounting hole is reduced to lock the catheter; the elastic piece rotates synchronously, in the screwing process of the cannula connector and the infusion connector in the catheter connector, twisting and thinning of at least one section caused by different strengths and speeds of medical staff are avoided, and the catheter is prevented from being flattened.

The duodenal papilla dilatation balloon catheter with the pressure measuring function comprises an outer sheath tube, a combination body and a plurality of branch tubes, the outer sheath tube comprises a drainage tube section I, a drainage tube section II and a drainage tube section III which are sequentially connected from head to tail, and the surface of the drainage tube section II is wrapped with a double-layer cylindrical dilatation film; the double-layer cylindrical expansion membrane comprises an inner-layer membrane and an outer-layer membrane, the outer-layer membrane is provided with an opening, and a pressure sensor is arranged in the opening; the combined body is connected with the tail end of the drainage tube section III, and a plurality of branch tubes are connected with the combined body. According to the catheter, common bile duct or pancreatic duct intubation can be carried out under the assistance of the guide wire, the pressure between the balloon and the duodenal papilla sphincter can be detected while the duodenal papilla sphincter is expanded, the nipple expansion size is determined according to the pressure value, and the occurrence rate of complications such as tearing bleeding of the duodenal papilla sphincter, bile leakage and enterobiliary regurgitation is avoided.

Provided are systems and techniques for providing multiple perspectives during medical procedures. In one aspect, a method includes positioning a plurality of cannulas in a plurality of anatomical quadrants of a patient, inserting first and second surgical tools coupled to corresponding robotic arms into the respective cannulas. The method may include inserting an articulatable camera coupled to another robotic arm into another of the cannulas, where the articulatable camera is capable of showing a first view including the first surgical tool in a first anatomical quadrant and articulating to show a second view including the second surgical tool in a second anatomical quadrant. The method may further involve performing a surgical procedure in at least one of the first anatomical quadrant or the second anatomical quadrant.

A multifunctional trachea cannula fixator belongs to the technical field of medical instruments. The trachea cannula fixing device solves the problems that a device used in an existing trachea cannula fixing method is prone to injuring the face, the mouth and the lips of a patient, and oral cavity nursing is not convenient. The silica gel sleeve is sleeved on the outer side of the bite block, the clamping belt surrounds the outer side of the silica gel sleeve, the fixing belt is connected with the clamping belt, a sputum suction hole is arranged on the bite block, a plurality of suction holes are processed on the lower half part of the bite block, the suction holes are communicated with the sputum suction hole, a trachea cannula wrapping hole is further processed on the silica gel sleeve, and the trachea cannula wrapping hole is communicated with the trachea cannula wrapping hole. The trachea cannula catheter is placed in the trachea cannula wrapping hole. The multifunctional trachea cannula fixer has a good fixing effect on the trachea cannula, is fixed on the head of a patient through the fixing band to avoid irritation and injury to the skin of the patient, and also solves the problem that the adhesive tape slips off due to secretion of facial grease.

The utility model discloses a clinical anesthesia intubation auxiliary device which comprises a connecting column, a first notch is formed in the middle of the connecting column, a lifting mechanism is arranged in the first notch, an auxiliary mechanism is arranged at the position, corresponding to the first notch, of one side of the connecting column, and a rotating mechanism is arranged at the lower end of the connecting column. A clamping mechanism is arranged at the end, away from the connecting column, of the rotating mechanism. According to the clinical anesthesia intubation auxiliary device provided by the utility model, through the structural design of the lifting mechanism, the height of the auxiliary mechanism can be adjusted according to the actual condition of a patient, so that the auxiliary mechanism can be quickly adjusted when the auxiliary mechanism needs to be adjusted, and the anesthesia intubation efficiency of the patient is further improved; by means of the structural design of the rotating mechanism, the rotating angle of the connecting column can be adjusted according to the actual situation of a patient, then the rotating angle of the auxiliary mechanism is adjusted, and then the anesthesia intubation efficiency of the patient is improved.

The utility model discloses a special pillow for gastroscopy, which comprises a pillow seat, a fixed part and a lifting part, the fixed part and the lifting part are arranged on the pillow seat, the fixed part comprises an inflatable upper part, an inflatable middle part and a solid lower part which are sequentially arranged, and the lifting part comprises a lifting upper part, a lifting middle part and a neck groove. The upper lifting part comprises an upper air bag and first elastic cloth which are fixed in the pillow seat, the middle lifting part comprises a middle air bag and second elastic cloth which are fixed in the pillow seat, and the upper air bag and the middle air bag are connected with inflation and deflation valves of the upper inflation part and the middle inflation part through inflation and deflation pipes respectively. According to the pillow special for gastroscopy, the neck groove, the upper base plate and the middle base plate are arranged and used for placing and fixing the head and neck of a patient, so that the patient can conduct gastroscopy in the left-side lying position; the upper air bag and the middle air bag are arranged on the upper base plate and the middle base plate respectively, pressure of the left ear of a patient can be relieved to prevent bruises, the height of the head of the patient can be adjusted to adapt to the intubation height of medical staff, and operation of the medical staff is facilitated.

A back projection screen that allows the awake patient to move the head and neck freely and yet be able to look at the images that are displayed during surgery, but at the same time allows a surgery crew, in particular an anesthesiologist, to watch the airway passage and the consciousness state of the patient, and to monitor signs including color of the lips, eyes movement, verbal responses, skin sensitivity, and the like, as well as to maneuver for intubation or other procedures without removing the screen during surgery. The back projection screen allows also eye contact and / or face to face interaction, physically or virtually, with the surgeon or other members of the surgery team for effective communication and is suitable for easy cleaning or disinfection from bacteria or viruses as required by operating rooms.

The invention provides a sequential balloon pulsation blood pump, system and method for an artificial uterus, and relates to the technical field of medical instruments. The blood pump comprises a pump body which is arranged in a blood flowing loop of an artificial placenta and comprises a first pump cavity and a second pump cavity; the first pump cavity and the second pump cavity are connected in parallel through a catheter, the two ends of the catheter are a blood inlet end and a blood outlet end respectively, the inlet end is communicated with the umbilical artery of a fetus, and the outlet end is communicated with the umbilical vein of the fetus through an oxygenator; the controller is in communication connection with the first air bag assembly and the second air bag assembly; and the heart acquisition unit is arranged on the outer surface of the artificial uterus and is in communication connection with the controller. The device has the advantages that pulsatile blood flow can be generated, the device can adapt to high heart rate of a fetus, the afterload balance of the heart of the fetus is not affected, and umbilical vessel intubation spasm is avoided.