62 results about "Artificial valve" patented technology

The invention discloses a TAVR postoperative blood flow parameter complementing method based on CT-MRI fusion, and belongs to the technical field of crossing of medical image processing and computational fluid mechanics. A CT valve frame registration technology is adopted, an invisible artificial valve leaflet three-dimensional structure is reconstructed through valve frame information in a CT image and is coupled with a dynamic heart model, a complete valve mechanical and functional simulation platform is constructed, the problem of an imaging blind area is solved, hemodynamic parameters of an inlet and an outlet of a postoperative area are further collected in combination with 4D Flow MRI, and the artificial valve leaflet three-dimensional structure is obtained. The blood flow conditions of the upstream and the downstream of the artificial valve area at each stage of contraction and relaxation of the TAVR postoperative part are comprehensively restored, the temporal-spatial resolution and the physical authenticity of the boundary condition in fluid-solid coupling simulation are greatly improved, and the more real passive response of the valve leaflet under the action of the blood flow is obtained; and a reliable basis is provided for quantitative and mechanical risk analysis of postoperative complications such as thrombosis, perivalvular leakage and valve leaflet fatigue.

The invention relates to an intracavity implantation system which comprises an intracavity prosthesis, the intracavity prosthesis has a radial expansion state and a radial contraction state, the intracavity prosthesis comprises a covered stent, a valve prosthesis and a flexible connecting pipe, the covered stent is of a tubular structure and comprises a main body section and a reducing section which are communicated with each other, and the valve prosthesis is arranged in the main body section. The main body section and the reducing section are arranged in the axial direction of the covered stent, the cross section area of the near end of the reducing section is smaller than that of the far end of the reducing section, the covered stent is further provided with a window penetrating through the side wall of the covered stent, and at least part of the area of the window is located in the reducing section; the valve prosthesis comprises a valve support and an artificial valve leaflet connected to the interior of the valve support. The flexible connecting pipe is of a tubular structure defined by a flexible film, the far end of the flexible connecting pipe is connected with the reducing section, the near end of the flexible connecting pipe is connected with the valve prosthesis, and the two axial ends of the flexible connecting pipe are communicated with the covered stent and the valve prosthesis respectively. In the implanting process of the endoluminal prosthesis, the relative position of the valve prosthesis and the covered stent can be adjusted according to the lumen structure, and the endoluminal prosthesis can better adapt to various lumen structures. In addition, due to the arrangement of the flexible connecting pipe, the risk that the far end of the valve prosthesis is driven to expand and deform due to expansion of the covered stent can be reduced, force generated in the expansion process of the valve prosthesis is not prone to being transmitted to the covered stent, and therefore the risk that coronary blood flow is blocked due to expansion of the near end of the covered stent can be reduced.

The application provides a heart valve prosthesis and a preparation method thereof, the heart valve prosthesis comprising a stent and an integrated valve, the integrated valve comprising artificial valve leaves and a skirt, and the integrated valve being fixed to the stent by sewing threads; the preparation method comprises the following steps: obtaining an integrated valve material, and sequentially subjecting the integrated valve material to cutting, pre-shaping and folding processes, and finally sewing the folded integrated valve material on the stent to obtain the heart valve prosthesis. The application can minimize the damage to the valve, increase the durability of the valve, simplify the sewing process, reduce the production cost and improve the production efficiency.

The utility model relates to a valve frame and an artificial heart valve. The valve frame can be switched between a radial compression structure and a radial expansion structure; each of an inflow row grid, an outflow row grid and a middle row grid of the valve frame comprises two rows of wave rods which are oppositely arranged and connected with each other, each row of wave rods comprises a plurality of supporting rods, and the opposite ends of every two adjacent supporting rods are connected at a joint part; each joint part comprises a solid part and a vacant part radially penetrating through the solid part, the opposite ends of the two adjacent supporting rods are smoothly connected with the solid part on the two sides of the vacant part, the vacant part is also in a smooth shape, and an opening of the vacant part corresponding to the wave crest of the wave rod faces the wave trough in the axial direction; the opening of the vacant part corresponding to the wave trough of the wave rod faces the wave crest in the axial direction; the joint part is used for helping each grid to uniformly deform in the structure conversion process of the valve frame; the width of the solid part is larger than or equal to the sum of two times of the width of the supporting rod and the width of the vacant part. The heart valve prosthesis comprises the valve frame, a covering film and at least two artificial valve leaflets capable of being opened and closed oppositely.

The utility model relates to the field of interventional therapy, and discloses a vena cava interventional valve. The vena cava interventional valve comprises a body support, the body support comprises an upper cone part, a barrel part and a lower cone part, and the upper cone part and the lower cone part are arranged at the two ends of the barrel part respectively; the fixing piece is arranged at the joint of the upper cone part and the barrel part; the covering film is arranged on the outer side of the body stent; and the artificial valve leaflet is arranged in the barrel part of the body bracket. The conveying size of an existing inferior vena cava filter is small and is only 6F, and the inferior vena cava filter is improved on the basis of the basic structure of the inferior vena cava filter, so that the inferior vena cava filter has the same small conveying size and fixing efficiency; by means of the fixing piece, positioning can be accurately and easily achieved in the valvular operation, and the pressing difficulty of the surgical operation is reduced; and the valve can be completely recovered before being completely released, so that the safety of the operation is improved.

The application provides a kind of artificial valve fatigue life evaluation method, system, equipment and medium, method includes: obtaining the stress load spectrum of artificial valve surface fatigue failure risk point in several cardiac cycles;Obtain the load order segment number of the stress load spectrum of any cardiac cycle after the load trend tends to be stable, the alternating stress, average stress and cycle number of each load order segment;Calculate the fatigue failure cycle number of the artificial valve material standard sample corresponding to each load order segment;The ratio of cycle number and fatigue failure cycle number under each load order segment is calculated to obtain the fatigue damage under the load order segment;The sum of fatigue damage under all load orders is obtained, and its reciprocal is the expected fatigue life.The application has the advantages of short time consumption, low cost, low difficulty, high accuracy, high precision and less limitation.

Devices, systems, and methods for prosthetic valves are described. Prosthetic valve embodiments may be directed to sealing flow at an implantation site, which may include a native valve. Embodiments may be configured to conform to the shape of the native valve, which may be a non-circular shape. Embodiments may include a frame having portions joined together by one or more revolute joints. Embodiments may include a crescent-shaped frame. Embodiments may include a frame structure having an integral portion. Embodiments may include a portion of a prosthetic valve having a micropattern applied to the prosthetic valve. One or more microbeads may be utilized in embodiments. Prosthetic valve structures utilizing support rings may be provided.

The invention provides an artificial valve leaflet connecting structure and method in the technical field of medical instruments, the artificial valve leaflet connecting structure comprises an artificial valve leaflet, lugs, a connecting piece, a support and a suture line, the lugs and creases are arranged at the two ends of the artificial valve leaflet, and the lugs at the two ends are folded along the creases. The two ends of the artificial valve leaflets are aligned and tightly attached to each other side by side, the lugs comprise the first lug and the second lug, and the first lug and the second lug are arranged along the creases in a folded mode. According to the valve leaflet connecting method, one end of the connecting piece is connected with the second folded convex lug in a bent and embedded mode, the other end of the connecting piece is connected to the support in a bent and buckled mode, the suture line sequentially penetrates through the connecting piece, the convex lug and the end of the artificial valve leaflet, and the connecting piece, the convex lug, the end of the artificial valve leaflet and the support are fixedly connected through the suture line; the connecting structure is used for achieving firm connection between the ends of the adjacent artificial valve leaflets, so that the artificial valve leaflets are stably opened and closed, and the probability that blood flows between the ends of the adjacent artificial valve leaflets to generate a reflux phenomenon is reduced.

The present invention relates to an implantable artificial device, such as an artificial heart valve, and to a mounting configuration and method for attaching a soft component, such as a valve leaflet or skirt, to the frame of such an artificial valve. [Solution] The valve leaflets are connected to the struts of the frame via primary sutures, which are passed in an in-and-out pattern along the cusp end portion of the valve leaflets, and the secondary sutures are passed around the struts through the primary sutures and have a plurality of self-tightening structures configured to contract on the struts under tension.

The present application relates to a kind of artificial heart valve stents and artificial heart valve.The artificial heart valve stent includes inner support and outer support.Inclination from inflow end to outflow end, first portion and second portion are included in sequence in inner support, the radial dimension of first portion is greater than the radial dimension of second portion, at least a portion of second portion is nested in outer support, and at least a portion of first portion extends to inflow end relative to outer support, and the portion of first portion extending to inflow end relative to outer support covers flow blocking film.The artificial heart valve includes the artificial heart valve stent and artificial valve leaflet fixedly connected in inner support.The artificial heart valve stent and artificial heart valve can reduce the risk of paravalvular leakage while being stably positioned in heart.

The utility model discloses a heart valve supporting module, which relates to the technical field of medical treatment, aims to solve the technical problem that a bioprosthetic valve is easy to decline and cannot be normally opened and closed, and comprises a suture ring, the suture ring and a heart valve ring of a patient are sutured and fixed, and a plurality of valve frames are inserted into the lower half part of the suture ring in an inward inclined manner. An artificial valve cord is arranged between the outer ring of the suture ring and the outer sides of the valve frames, the artificial valve cord is connected with the bioprosthetic valve, and a plurality of stabilizing structures are arranged between the artificial valve cord and the valve frames. The outer arc side of the valve frame is used for restraining the edge of the artificial valve cord, and the artificial valve cord is connected with the bioprosthetic valve, so that contraction of the bioprosthetic valve is indirectly limited, excessive contraction of the bioprosthetic valve is effectively avoided, a stable structure is matched, excessive expansion of the bioprosthetic valve can be effectively avoided, and the bioprosthetic valve is stable in structure. The risk that the valve cannot be normally opened and closed due to excessive expansion of the periphery of the valve is reduced, the service life of the bioprosthetic valve is prolonged, and the possibility of secondary operation is reduced.

Provided are an artificial intelligence AI-based simulation device and method for supporting procedure planning in transcatheter aortic valve implantation. The device receives patient-specific medical images, such as computed tomography data, and generates a three-dimensional (3D) model of the aortic root and native valve. An artificial valve is virtually inserted into the 3D model, and the virtual implantation model is automatically converted into mesh data suitable for Computational Fluid Dynamics (CFD) and Fluid-Structure Interaction (FSI) analysis. The processor performs CFD / FSI simulations to evaluate hemodynamic changes, structural stresses, and potential device-tissue interactions. Based on the analysis, the system outputs predicted risks of procedure-related complications (including coronary obstruction, annular rupture, paravalvular leakage, and valve deformation) and provides guideline data for selecting valve size, implantation depth, and insertion angle. The disclosed device and method enable accurate, patient-specific prediction and visualization, thereby assisting clinicians in establishing safe and optimized TAVI procedure plans.

The invention relates to the technical field of medical data processing, and discloses a heart valve replacement postoperative hemodynamic simulation and curative effect evaluation processing system which comprises the steps that a preset standard artificial valve three-dimensional geometric model is used for replacing a valve area distorted due to metal artifacts in computed tomography data so as to generate a static computational domain grid, the method comprises the following steps: adding a time-varying quantity source item resistance coefficient in a Navier Stokes equation according to a cardiac cycle sequential logic, simulating a valve leaflet opening and closing physical effect under a static grid by adjusting a spatial unit fluid impedance attribute, and resolving a flow field, and establishing a virtual motion mechanism based on a momentum source item to replace complex dynamic grid reconstruction; and the numerical stability and clinical treatment time efficiency of simulation calculation are improved while the geometric boundary fidelity is ensured.

The invention discloses an artificial heart valve with a clamping structure. The artificial heart valve comprises a first valve seat body, a second valve seat body and an artificial valve leaflet, the second valve seat body is arranged on the outer side of the first valve seat body, and the artificial valve leaflet is arranged between the first valve seat body and the second valve seat body; the second valve seat body is provided with a parting line, the midpoint of the parting line intersects with the central axis of the second valve seat body, and the parting line divides the second valve seat body into two halves. The overall symmetry of the artificial valve is improved, meanwhile, the influence of traditional suture on the peripheral suture edge part of the artificial valve leaflet is avoided, and the service life of the artificial heart valve is prolonged. Meanwhile, the replicability and quantitative production of the whole structure of the artificial valve are guaranteed, and the production efficiency is improved.

The application belongs to the field of medical devices, and particularly relates to an implant device system with a reduced loading tube diameter, comprising an inner tube, an outer sheath tube, an implant device and an anchoring mechanism; the implant device comprises artificial valve leaflets; when preloaded, the implant device and the anchoring mechanism are arranged between the inner tube and the outer sheath tube, and the anchoring mechanism is arranged in axial non-overlapping mode with the artificial valve leaflets; and after the implant device reaches the expected anchoring position, the anchoring mechanism can reach the designated position according to a predetermined route; when preloaded, the distal end of the anchoring mechanism is located on the proximal side of the artificial valve leaflets and does not overlap with the artificial valve leaflets, so that the loading tube diameter of the delivery system is reduced as much as possible, and damage to the blood vessels of a patient during surgery is avoided.

The invention relates to an artificial cuspid valve supporting structure and an artificial cuspid valve device. The artificial cuspid valve supporting structure comprises a cuspid valve supporting body and a supporting part. The sharp valve supporting body is used for being fixed to the inner wall of a native valve ring, a blood flow channel is constructed in the sharp valve supporting body, and the blood flow channel is used for being communicated with an atrium and a ventricle and used for containing an artificial valve leaflet; one end of the supporting part is connected with the cuspid valve supporting body, and the other end of the supporting part is used for elastically abutting against the inner wall of the atrium so as to apply acting force towards the ventricle to the cuspid valve supporting body. According to the application, one end of the supporting part is connected with the cusp valve supporting body, and the other end of the supporting part is used for elastically abutting against the inner wall of the atrium to apply the acting force towards the ventricle to the cusp valve supporting body, so that the supporting part provides stable supporting force for the cusp valve supporting body to prevent the cusp valve supporting body from being impacted to the atrium; and the stability of connection between the sharp valve supporting body and the inner wall of the native valve ring is improved.

A prosthetic valve includes a flexible frame disposed along a frame axis and deformable about the frame axis. The frame includes a first end, a second end disposed opposite the first end, and a network of interconnected struts defining a plurality of cells. A first circuit is mounted on the frame. The first circuit includes: a first inductor coil attached to and tracking a first subset of the struts such that the first inductor coil outlines a first subset of the plurality of cells; and a first sensor in electrical communication with the first inductor coil. The first sensor is configured to sense a physical parameter and generate a signal representative of the physical parameter.

To provide an artificial valve that can be delivered laterally. [Solution] A laterally deliverable artificial valve comprising a valve frame and a flow control component fitted within a central channel of the valve frame and configured to allow blood flow through the central channel in a direction along the central axis of the artificial valve, wherein the actuator is detachably attached to a proximal inferior annular anchor element of the valve frame.

The invention relates to a combination for replacing a heart valve or for coronary angioplasty, with an insertion sheath (13) of an introducer (1) or a delivery catheter (1') which is smaller in size than the introducer, for insertion in an artery of the body. The invention consists essentially in that either a metal support for an electrode of a heart pacemaker is integrated in the member assembled around the insertion sheath, which is inserted in an artery of the patient or in a guide wire which becomes a bipolar support for the electrode; or a cathode of an external heart pacemaker is connected to a guide wire of an artificial valve and an anode of the heart pacemaker is connected to a transcutaneous electrode which is in contact with the skin of the patient.

Artificial heart valves, their manufacture, and methods of use are described. Generally, artificial heart valves can be deployed to replace or supplement defective heart valves in a patient. These artificial heart valves can comprise a frame with an inner skirt and leaflets. These inner skirt and leaflets can be generated from regenerative tissue to allow integration of the tissue with the body of a patient, while the frame can be generated from bioabsorbable material to allow dissolution of the frame over time. This combination of materials may allow for the artificial valve to grow with a patient and avoid costly and potentially dangerous replacement for patients receiving artificial valves.

The present invention belongs to the technical field of medical devices, and specifically relates to a deep vein stent. A deep vein stent includes a stent structure and an artificial valve leaflet; the stent structure includes: at least two valve supports, which are S-shaped structures, symmetrically arranged, forming a circle of convex artificial venous sinus area in the outflow section, and the valve support members pass through the artificial valve leaflet, supporting the artificial valve leaflet at the middle bend of the valve support members. The present invention adopts multiple valve supports with S-shaped structures, which can support the artificial valve leaflet, and can naturally form an artificial venous sinus area in the convex part near the outflow section. When applied to the vein, under the action of multiple valve supports, a circle of convex artificial venous sinus area can be formed on the vein, thereby achieving the same use effect as the actual venous valve, so that the artificial venous sinus area is formed at the position of the artificial valve leaflet.

The utility model relates to the technical field of medical instruments, in particular to an artificial heart valve device which comprises an outer-layer support, an inner-layer support and an artificial valve leaf, the artificial valve leaf is arranged on the inner side of the inner-layer support, barb assemblies are arranged on the periphery of the outer-layer support, the outer-layer support is connected with the periphery of the inner-layer support in a sleeved mode, and the barb assemblies are arranged on the outer-layer support. A plurality of connecting rods are annularly arranged between the outer-layer support and the inner-layer support at equal intervals, rotating shaft connecting pieces are rotationally arranged at the two ends of each connecting rod respectively, the two ends of each connecting rod are movably connected with the outer-layer support and the inner-layer support through the rotating shaft connecting pieces respectively, and a buffer space is formed between every two adjacent connecting rods. Deformation of the inner-layer support can be avoided, structural stability of the inner-layer support is guaranteed, and working stability is high; it can be guaranteed that deformation of the outer stent does not affect the inner stent after implantation, the anterior and posterior valve areas have different radial supporting force, and meanwhile uniformity can be guaranteed when a catheter enters and exits.

The present application proposes a method and device for assessing the risk of thrombosis in an artificial heart valve. The method for assessing the risk of thrombosis in an artificial heart valve of the present invention includes: obtaining the physiological scenario after the artificial heart is implanted with an artificial valve through resistance characteristic parameters and elastic expansion characteristic parameters; starting a pulsating pump to output a pulsating flow medium to the artificial heart under the physiological scenario; capturing the motion trajectory of fluorescent particles through a high-speed camera and obtaining the original data of blood flow velocity downstream of the artificial valve; obtaining a fluid mechanics simulation parameter group based on the original data of blood flow velocity; inputting a pre-trained valve thrombosis random forest classifier according to the fluid mechanics simulation parameter group and outputting a thrombosis risk probability map under the physiological scenario. The present invention calculates a fluid mechanics simulation parameter group based on the instantaneous velocity vector field and spatiotemporal distribution information captured by PIV, generates a two-dimensional / three-dimensional thrombosis risk probability map through a random forest classifier and marks the coordinates of high-risk points, thereby achieving accurate prediction of thrombosis probability and thrombosis location.

The invention discloses an integrated heart valve stent, and relates to the field of heart valve stents. The integrated heart valve stent comprises a main stent body and a plurality of sets of positioning pieces used for being inserted into the sinus floor of a heart valve. A plurality of groups of supporting pieces which are connected in sequence are arranged in the main body bracket, the supporting pieces are connected with the main body bracket, and each group of supporting pieces comprises a first supporting rod and a second supporting rod. In the same group of supporting pieces, the first supporting rods and the second supporting rods are connected in a crossed mode. The positioning piece comprises a left positioning rod and a right positioning rod, the fixed end of the left positioning rod and the fixed end of the right positioning rod are arranged at the connecting positions of the supporting pieces, and the connecting positions of the left positioning rod and the right positioning rod are different. And the free end of the left positioning rod is detachably connected with the free end of the right positioning rod. Through the arrangement, direct contact between the original valve leaflet and the artificial valve leaflet is effectively prevented, and the risk that the original valve leaflet invades the artificial valve leaflet is reduced.

The utility model discloses a pre-plasticized sheathing canal, a coronary angiography device and an interventional therapy device. The pre-plasticized sheathing canal comprises a catheter part, a bent leading-out part and a positioning part, wherein the catheter part is internally provided with a catheter cavity; the bent leading-out part is provided with a leading-out hole communicated with the catheter cavity; the conduit part is in smooth transition connection with the positioning part through the bent leading-out part; the positioning part can be placed in the internal area of the artificial aortic valve above the artificial valve leaflet for positioning; the plane where the positioning part in contact with the inner wall of the artificial aortic valve frame is located is obliquely arranged or vertically arranged at a certain angle relative to the catheter part; the bending leading-out part and the positioning part can be in an elastic deformation state when being subjected to external force, and after the external force is relieved, the bending leading-out part and the positioning part automatically recover to the original state. The guide-out position of the coronary angiography catheter or the coronary guide catheter can be guaranteed, and the convenience that the coronary angiography catheter or the coronary guide catheter enters the opening position of the coronary artery or extends into the coronary artery is improved.

The invention provides a valve conveying structure, an artificial valve and a valve conveying method.The valve conveying structure comprises a balloon tube cavity, a first restraining piece and a pushing base, a balloon is arranged on the surface of the proximal end of the balloon tube cavity, and the surface of the balloon tube cavity is suitable for being sleeved with the artificial valve; the surface of a balloon tube cavity is sleeved with the first restraining piece, the first restraining piece is suitable for being arranged at the proximal end of the artificial valve, and the proximal end of the first restraining piece at least wraps the distal end of the artificial valve so as to limit expansion of the artificial valve; the pushing base is arranged on the surface of the balloon tube cavity in a sleeving mode, is fixed to the first restraining piece and is configured to move towards the balloon under the action of external force so as to be suitable for pushing the artificial valve to move to the balloon; and after the artificial valve moves to the balloon, the first restraint part is configured to move away from the balloon under opposite force so as to drive the first restraint part to be separated from the artificial valve, so that the diameter of the artificial valve during conveying can be limited, and the artificial valve can conveniently pass through lower limb artery blood vessels of most patients.

The invention discloses an artificial valve geometric reconstruction method based on a TAVR postoperative CT image, and belongs to the technical field of computer-aided medical treatment. The method comprises the following steps: firstly, establishing an initial three-dimensional geometric model of the TAVR valve, and generating a corresponding discretization model; based on the marking or segmentation result of the valve frame in the post-operation CT image, the geometrical shape of the deformed valve frame is obtained; and finally, matching the nodes of the initial non-deformation lobe frame and the deformation lobe frame by using a registration algorithm so as to obtain the displacement of the lobe frame from the initial state to the deformation state. On the basis, valve leaflet and skirt deformation under a deformation valve frame is obtained through a non-uniform function field reconstruction algorithm, then accurate reconstruction of an in-vivo artificial valve leaflet geometric model is achieved, and then dynamic response of an artificial valve in a cardiac cycle is obtained through a finite element method. Therefore, a scientific basis is provided for comprehensive evaluation of the performance of the artificial valve, and an important reference is provided for optimization design of the artificial valve.

An artificial heart valve with a sleeve structure and a preparation method thereof, comprising a first valve seat body, a second valve seat body and artificial valve leaflets; the second valve seat body is sleeved outside the first valve seat body, the artificial valve leaflets are arranged between the first valve seat body and the second valve seat body, the artificial valve leaflets are composed of three equal and same valve leaflets and one covering film, and free end edges of the three valve leaflets are in a wave shape and gradually change in thickness from roots to edges. The sleeve structure improves overall stability and assembly precision, the wave-shaped valve leaflet edges optimize the sealing performance and anti-reflux effect of the artificial valve leaflets, the gradually changing valve leaflet thickness balances the structural strength and flexibility, the bionic microtexture improves the hemodynamics and antithrombotic performance, and when the artificial heart valve is prepared, the femtosecond laser direct writing is adopted to ensure the precision and consistency of the bionic microtexture.

The present invention relates to the field of biomedical technology, and in particular to a cross-linked modified artificial valve, a preparation method and an application thereof. The present invention first prepares a new compound POSS-PEG-NHS, which undergoes an esterification reaction with the NH2 group on the surface of a decellularized porcine valve through its ‑NHS group to achieve covalent bonding. Subsequently, glutathione, a reducing agent inherent in the organism, is added to obtain a cross-linked modified artificial valve PPN-GSH-AV. The valve exhibits excellent cell safety and blood compatibility, and has obvious advantages over traditional glutaraldehyde cross-linked valves. In vivo experiments have shown that PPN-GSH-AV has high biosafety and tissue compatibility, and can effectively reduce immune rejection reactions. In addition, the valve can also reduce the oxidative stress of macrophages, promote M2 transformation, and thus reduce inflammatory reactions. In clinical applications, PPN-GSH-AV exhibits good anti-inflammatory effects and excellent anti-calcification properties, and the in vitro pulsatile flow test results meet international standards. It has the potential for clinical transformation and has broad application prospects.

The invention discloses an artificial heart valve durability evaluation device and a test method, and relates to the technical field of fatigue test, and the artificial heart valve durability evaluation device is provided with a driving unit, a distribution container, a plurality of test units, a measurement and control unit and a test platform. The driving unit is composed of a linear motor, an air cylinder and the like and drives related parts to move. The distribution container is communicated with a rodless cavity of the cylinder; each testing unit comprises a corrugated pipe, a connecting pipe, a valve fixing mechanism and the like, and valve installation and communication are achieved. The measurement and control unit monitors and regulates pressure. The position of the artificial heart valve is fixed in the channel, and the liquid medium is driven by the single motor to flow back and forth in the channel, so that the artificial valve is opened or closed; liquid is distributed into the multiple testing units through the distribution container, the structure is simple, distribution is uniform, stability is high, the corrugated pipe is arranged to respond to high-frequency vibration, the characteristics of elastic deformation energy storage are utilized, actual working conditions such as fluid pressure and flowing which are closer to the interior of the human heart are created in the testing process, and accuracy is high.