21 results about "Arterial puncture" patented technology

The invention discloses an arterial puncture point compression device after neurological interventional operation, and relates to the technical field of medical instruments, the arterial puncture point compression device comprises a mounting plate, the whole mounting plate is arc-shaped and can be better attached to the limbs of a patient, the bottom of the mounting plate is connected with a bridle, and a compression mechanism is further arranged in the middle of the mounting plate and comprises a downward pressing assembly and a pressing assembly; the mounting plate is rotationally connected; an abutting assembly is further arranged in the downward pressing assembly, and the abutting assembly makes contact with and abuts against the limbs of the patient through the downward pressing assembly to be bent upwards; according to the puncture point compression device, in view of the remarkable defects of an existing puncture point compression device in the aspect of pressure control, an original integrated transmission structure is reconstructed, a split type compression mechanism is innovatively adopted, and the compression mechanism is composed of a transmission assembly located at the upper portion and a pressing assembly located at the lower portion.

The invention relates to the technical field of compression hemostats, and discloses a post-interventional-operation artery puncture point compression device which comprises a first circular ring. The first circular ring is detachably connected with the second circular ring; the telescopic mechanisms are arranged in the first circular ring and the second circular ring; the pressurizing mechanism is arranged at one end of each group of telescopic mechanism; the compression mechanism is arranged on the outer side wall of the second circular ring; according to the puncture position of a patient, an operator finds the position by pressing a soft head, the first circular ring and the second circular ring which are detached are connected through a convex block and a clamping shell which are made of rubber materials, so that the first circular ring and the second circular ring are attached to the limbs of the patient, and then an electric push rod drives an arc-shaped limiting block to be attached to the different limbs of the patient; and through the servo pressurizing air pump capable of adjusting the pressurizing speed and the pressure value and the arranged pressure sensor, the electrically connected display displays in real time, so that the medical staff can conveniently observe and adjust at regular time, and the workload of the medical staff is reduced.

The invention relates to the technical field of medical instruments, and discloses an artery puncture needle which comprises a tube seat and a needle seat, a sleeve is arranged in the tube seat in a penetrating mode, the two ends of the sleeve extend to the outer side of the tube seat, a catheter is connected to the end, away from the needle seat, of the sleeve, and a door structure capable of being opened and closed is arranged on the needle seat. The needle seat is used for limiting flowing of blood in the cannula, the surface of the side, away from the cannula seat, of the needle seat is connected with a connecting tube, an inserting groove is formed in the inner top face of the needle seat, the inner wall of the inserting groove is connected with a needle tube communicated with the connecting tube, the needle seat can be connected to the cannula seat in an inserted mode, the inner top of the needle seat is connected with a protective sleeve, and the protective sleeve can be opened and closed; the protective sleeve capable of being opened and closed and the stretching assembly are arranged, after the needle base and the tube base are detached, the stretching assembly can enable the protective sleeve to be unfolded and cover the needle tube, the needle tube is prevented from being repeatedly used from the source, meanwhile, the risk that medical workers are punctured is completely eradicated, and the occupational exposure probability is reduced.

The invention discloses an arterial puncture positioning device based on ultrasonic scanning. The arterial puncture positioning device comprises an XYZ-axis displacement table, an angle rotating motor, a sliding table, a detection load platform, an ultrasonic detection device and a PLC. The X-axis, Y-axis and Z-axis displacement table is provided with an X-axis guide rail, a Y-axis guide rail and a Z-axis guide rail which are connected in a sliding mode, a sliding table is arranged on the X-axis guide rail in a sliding mode, and an L-shaped connecting plate is fixed to the sliding table; the angle rotating motor is arranged on the L-shaped connecting plate, a rotating shaft of the angle rotating motor is in driving connection with the detection load platform, and an ultrasonic detection device is arranged on the detection load platform; the PLC controls the sliding table to slide in the X-axis direction, the Y-axis direction and the Z-axis direction and controls the angle rotating motor to adjust the angle of the ultrasonic detection device, so that the ultrasonic detection device is attached to the arm of a patient to conduct ultrasonic image collection, and then the optimal artery puncture position is determined according to the ultrasonic image. According to the invention, the accuracy and safety of puncture can be improved.

The utility model relates to the technical field of medical instruments, in particular to a disposable artery puncture boot-shaped ultrasonic probe guide sleeve piece. According to the technical scheme, the boot-shaped ultrasonic probe comprises a boot-shaped ultrasonic probe body and a plastic sleeve piece used for guiding and installing the boot-shaped ultrasonic probe body, a sterile hydrogel film is bonded to the bottom of the plastic sleeve piece, and a puncture guiding piece is arranged at the tail end of the boot-shaped ultrasonic probe body; the plastic external member comprises a mounting rack which is adaptively clamped with the front end of the boot-shaped ultrasonic probe main body, clamping plates are rotatably mounted on the inner walls of the two sides of the end, away from the puncture guide member, of the mounting rack, guide columns are fixedly connected to the two sides of the clamping plates, and guide grooves corresponding to the guide columns in position are formed in the two side walls of the mounting rack; the puncture guide piece comprises an inclined C-shaped guide cylinder, and an opening channel is formed in one side of the C-shaped guide cylinder. The arterial puncture needle is novel and compact in structure, assists arterial puncture, reduces puncture difficulty, and improves puncture precision and efficiency.

The invention relates to the technical field of compression devices, in particular to an artery puncture point compression device and method after neurology interventional postoperation, which comprises a protective sleeve, a fixing band is slidably connected in the protective sleeve, a groove is formed in the outer side wall of the protective sleeve, one end of the fixing band extends to the outside of the groove, and the other end of the fixing band extends to the outside of the protective sleeve. A groove is formed in the top of the fixing belt, a rotating rod is rotationally connected to the interior of the groove, a plurality of sets of protruding strips are fixedly connected to the exterior of the rotating rod and distributed at equal intervals, the fixing belt bypasses the exterior of the rotating rod, a plurality of sets of placing grooves are formed in the top of the fixing belt, and the distance between the multiple sets of placing grooves is matched with the protruding strips for use. Compared with an existing artery puncture point compression device after the neurology intervention operation, through the design of the protruding strips and the containing grooves, contraction of the fixing belts can be rapidly completed, the compression device can adapt to wrists of different thicknesses, and the comfort level of a patient can also be guaranteed.

The present invention discloses a method for establishing a photoacoustic imaging model for monitoring acid-base imbalance, which belongs to the field of acid-base imbalance detection and includes the following steps: S1: establishing a lactic acidosis model in an experimental animal; the lactic acidosis model includes: infusing the experimental animal in the perioperative period with a lactic acid solution of different concentrations; S2: performing a blood gas analysis on the experimental animal in the lactic acidosis model; wherein, after the lactic acid solution is pumped intravenously, the experimental animal is subjected to an arterial puncture and a blood gas analysis is performed to measure the acid-base abnormality of the experimental animal; S3: using a photoacoustic microscope to monitor the intracranial blood vessels of the experimental animal; S4: filtering and binarizing the photoacoustic image, and automatically performing quantitative analysis on the blood vessel diameter, blood vessel length, and blood vessel density, monitoring the dynamic changes in pH, and obtaining the relationship between the changes in intracranial blood vessel diameter and pH. The present invention can achieve non-invasive, in vivo, real-time monitoring of acidosis, alkalosis, and brain function metabolism.

The intraarterial puncture catheterization needle comprises a needle base, a puncture head and an intelligent monitor, a catheter is arranged at the bottom end of the needle base, branch tubes are symmetrically arranged on the two sides of the needle base, the inner side of the catheter is divided into a monitoring channel and a flow guide channel, the monitoring channel and the flow guide channel are communicated with the two branch tubes respectively, and the intelligent monitor is connected with the monitoring channel. A puncture channel is arranged on the inner side of the needle seat, and the flow guide channel extends upwards to be communicated with the puncture channel. A steel needle is arranged at the bottom end of the puncture head, and the steel needle is inserted into the puncture channel from the top of the needle base and penetrates out of the bottom end of the flow guide channel; the top of the intelligent monitor is provided with a guide wire, and the guide wire penetrates into the monitoring channel from the branch pipe. The two branch pipes are arranged on the catheter base, each branch pipe is connected with the corresponding hose, the connecting bases are arranged at the ends of the hoses, one connecting base is connected with the intelligent monitor, the pressure sensor and the flow sensor are integrated in the intelligent monitor, and the blood pressure of a patient can be detected through the pressure sensor.

The invention relates to the technical field of medical instruments, in particular to a compression device for arteriopuncture extraction, comprising: a plurality of groups of energy storage assemblies connected to two ends of a rubber sheet, the energy storage assemblies enabling the rubber sheet to fit the wrist of a patient; the follow-up structure is provided with a trigger plate, and a first inclined plane is formed at the end of the trigger plate; the stress block is slidably installed in a second sliding groove formed in the loading shell, a sleeve shaft is rotatably installed on the stress block, a plurality of transverse moving rollers are arranged on the sleeve shaft, the distances between the transverse moving rollers and the sleeve shaft are sequentially decreased, the transverse moving rollers are matched with the trigger plate, and the pressure of the rubber sheet acting on the puncture position of the wrist of the patient can be reduced; the deflection mechanism is installed in the loading shell and comprises a deflection assembly and a locking assembly, and the deflection assembly is matched with the locking assembly, so that the multiple transverse moving rollers can be sequentially matched with the trigger plate, the pressure, acting on the puncture position of the wrist of the patient, of the rubber sheet is sequentially reduced, and the self-healing effect of the patient is improved.

This invention relates to the field of medical device technology, and more particularly to a hemostasis device after cardiac interventional procedures. The device includes a base plate, a restraint strap disposed on the base plate for securing the base plate to the patient's limb at the puncture site, a compression mechanism disposed on the base plate for compressing the tissue at the puncture site, an arterial compression mechanism for compressing the arterial puncture point, and a skin compression mechanism for compressing the epidermal puncture point. This solution uses the arterial compression mechanism and the skin compression mechanism to independently compress the arterial puncture point and the epidermal puncture point, respectively. This results in greater pressure on the artery at the arterial puncture point and the epidermal puncture point than at other locations, increasing the degree of arterial contraction at the arterial puncture point, accelerating the closure of the arterial blood vessel at the arterial puncture point, and effectively improving the hemostasis effect.

The present invention discloses an automatic venous and arterial puncture control method for achieving high-precision puncture through precise control, comprising: after determining to initiate automatic venous and arterial puncture control, acquiring a vascular ultrasound image; establishing a venous and arterial vessel detection model based on a lightweight deep network and a target detection algorithm for the target vessel ultrasound image data; the vessel detection model is used to detect and locate the vessel; real-time acquisition of the vessel image to be detected and located, and obtaining the vessel position and category based on the trained vessel detection model; confirming the target vessel position based on the vessel positioning and classification, with the target vessel position serving as the puncture target location; planning a puncture path based on the target vessel position, including venous puncture path planning and arterial puncture path planning; and converting the path and control parameters based on the puncture path planning. Also disclosed are a device and system that have low working environment requirements, can adapt to dynamic environments, are easy to promote, reduce puncture difficulty and labor intensity, and are portable.

The invention discloses an auxiliary fixator for arteriopuncture and a using method thereof, and belongs to the technical field of medical instruments. The auxiliary fixator comprises a bottom plate, a height adjusting mechanism and a fixing mechanism; the fixing mechanism clamps a patient and is arranged on the height adjusting mechanism; the height adjusting mechanism is positioned above the bottom plate; a fixing plate extending upwards is arranged on the bottom plate, and an inclined sliding rail is arranged on the fixing plate. The height adjusting mechanism comprises a supporting plate, a U-shaped transverse plate and a moving assembly. The U-shaped transverse plate is inversely buckled on the side, back to the bottom plate, of the supporting plate. The supporting plate is provided with a horizontal sliding rail and a sliding opening allowing the fixing plate to penetrate through in a sliding mode. The moving assembly comprises a first driving mechanism and a sliding assembly connected with the first driving mechanism; the first driving mechanism is installed on the supporting plate, the sliding assembly comprises a first sliding part and a second sliding part, the first sliding part is slidably connected with the inclined sliding rail, and the second sliding part is slidably connected with the horizontal sliding rail. The height of the fixator can be adjusted according to the actual condition of a patient, operation of medical staff is facilitated, and the use comfort of the patient is improved.

The invention discloses an artery puncture point compression device after neurological interventional operation, and relates to the technical field of medical instruments, the artery puncture point compression device is characterized by comprising an annular bridle, a fixing buckle and an adjusting buckle are arranged on the annular bridle and used for controlling opening, closing and length of the annular bridle, a mounting block is arranged on the annular bridle, and the fixing buckle and the adjusting buckle are used for fixing the fixing buckle and the adjusting buckle. A supporting frame is arranged on the mounting block, a fixing block is arranged on the supporting frame, a threaded hole is formed in the fixing block, a pressure adjusting mechanism is arranged in the threaded hole, and a compression hemostasis mechanism is arranged on the pressure adjusting mechanism. The device can adapt to limb contours of different patients through the annular bridle and the radian-adjustable supporting frame, meanwhile, the compression mechanism adopts a three-layer arc-shaped design, pressure can be uniformly dispersed and accurately acts on puncture points, the intelligent reminding system can sense the pressure in real time and automatically time, voice reminding is conducted on abnormal pressure or improper compression duration, and the device is simple in structure and convenient to use. Manual continuous monitoring is not needed, and the risk of postoperative complications is remarkably reduced.

The present invention provides an intelligent pressing hemostasis device after arterial puncture, belonging to the technical field of medical devices. In order to solve the problem that the existing pressing hemostasis devices are all manually pressed and controlled, and the manual pressing force lacks effective and accurate control, making it difficult to meet the needs of wound healing and affecting the wound healing effect of patients. The device consists of an intelligent control box, a positioning shaft, a fixing clip, a cold water box, an auxiliary strap, etc. The device is fixed to the patient's wrist through the auxiliary strap, and the isolation cover is aligned with the puncture wound. The single-chip microcomputer in the intelligent control box controls the micro motor to drive the adjusting cylinder to rotate, so that the disinfected cotton ball of the pressing hemostasis arm fits the wound, and the hydraulic rod pushes the detection pressure plate to assist in pressing. At the same time, the detection patch and the detection pressure plate respectively monitor the blood pressure and the pressing force on the disinfected cotton ball. The intelligent control box accordingly intelligently regulates the pressing force of the hydraulic rod on the disinfected cotton ball and the puncture wound, realizing precise hemostasis, solving the problems of difficult control of manual pressing force and shortage of manpower, and improving the hemostasis effect and convenience.

The application discloses an arterial puncture equipment control error analysis method based on multi-modal, relates to the technical field of equipment control, determines an arterial image through three-dimensional fusion of infrared optical imaging and ultrasonic imaging, carries out logical analysis based on error determination-error compensation-error supervision under dimensional thread parallelism, determines an error processing result, projects the arterial image, executes control driving and periodic directional supervision on the arterial puncture equipment according to the error processing result, and is used for solving the technical problems that multi-dimensional error dynamic regulation capability is limited in the prior art, it is difficult to meet high-precision control under prior correction and directional supervision of error, and equipment control precision and stability are insufficient, solves the core problem of insufficient dynamic control under arterial puncture control complex error source, and improves the precision and stability of arterial puncture equipment control.

The invention provides virtual and real combined teaching equipment for invasive arterial puncture, and relates to the technical field of virtual simulation teaching, and the equipment comprises a puncture simulation module which comprises a skin layer, a muscle layer and a blood vessel layer which are made of a 3D printing silica gel material; the skin disinfection module comprises a capacitive disinfection array and a force sensing array; the VR scene simulation module is used for updating a VR scene, synchronously establishing a module feedback signal and executing real-time training data updating; and the training recording module is used for outputting a training data set. The technical problems that in traditional invasive arterial puncture teaching, virtual simulation and actual operation links are separated, training feedback is not real-time, and teaching data are difficult to quantify can be solved, and the purposes of integrating the VR technology, the 3D printing silica gel material, wireless transmission, data collection and feedback and the like are achieved. And the technical effects of sense of reality, interactivity and accuracy of teaching are improved.

A normal saline pressurizing device for arteriopuncture comprises a bag shell and a pressurizing block, a normal saline bag can be placed in the bag shell, a bag hole is formed in the bag shell, it can be ensured that the head of the normal saline bag can penetrate through the bag hole, and the pressurizing block can directly or indirectly transmit pressure to the normal saline bag so that the normal saline bag can keep certain pressure. The pressurizing block is used for directly or indirectly applying stable pressure to the normal saline bag, it can be ensured that the pressure is maintained to be 300 mmHg, the flushing amount is maintained to be 3 mL per hour, the structure is simple, the cost is low, the normal saline bag can be repeatedly used, and the normal saline bag can be placed in the bag shell.

This invention discloses an arterial puncture hemostasis composite dressing and its preparation method. The dressing is prepared through electrospinning, impregnation, foaming, and lamination to obtain an outer protective layer, an adaptive pressure layer, and a skin-adhesive hemostasis layer arranged sequentially from top to bottom. The skin-adhesive hemostasis layer has a polysaccharide-based composite fiber structure, loaded with procoagulant, adhesive, and antifibrinolytic components, forming an adhesive gel layer upon contact with blood. The adaptive pressure layer is an elastic porous material layer containing liquid-absorbing and swelling particles that expand in volume after absorbing blood or body fluids, generating dynamic pressure. The outer protective layer is a transparent, breathable, and waterproof polyurethane membrane. The skin-adhesive hemostasis layer maintains liquid permeability, allowing some blood to be transferred to the adaptive pressure layer to trigger expansion. This invention achieves rapid and stable hemostasis through the synergistic effects of procoagulant, adhesive, and antifibrinolytic properties, as well as the adaptive pressure mechanism, making it particularly suitable for patients undergoing anticoagulation therapy.

The invention discloses an artery puncture device, and relates to the technical field of medical instruments, the artery puncture device comprises a pair of positioning support assemblies, a puncture needle fixing assembly and an angle adjusting assembly, the pair of positioning support assemblies is placed on two sides of a forearm along a direction perpendicular to the forearm and is used for clamping the forearm to position the placing position of the whole device; the puncture needle fixing assembly is rotationally arranged between the positioning and supporting assemblies, and the puncture needle fixing assembly can move in the trend of the small arm; the angle adjusting assembly is arranged on the positioning and supporting assembly and movably hinged to the puncture needle fixing assembly so as to adjust the puncture needle fixing assembly to a preset inclination angle. The needle inserting angle can be accurately controlled, linear stable needle inserting can be guaranteed, shaking is avoided, and the success rate of puncture is greatly increased.

The invention discloses a monitoring system for an artery compressor, and is applied to the technical field of artery puncture. Comprising a parameter sensing module, an artery compressor, a main control module and a cloud monitoring platform, wherein the parameter sensing module is connected with the main control module and used for collecting pressure and physiological parameters of a pressed part of the artery compressor, the artery compressor is connected with the main control module and adjusts the pressing force of the artery compressor according to a control instruction, and the main control module is connected with the parameter sensing module, the artery compressor and the cloud monitoring platform. A pressure regulation and control instruction is generated based on the processed signal and sent to the artery compressor, and the cloud monitoring platform is in wireless communication connection with the main control module and used for receiving, storing and visually displaying data of the main control module and supporting remote monitoring and instruction issuing. The artery compressor is regulated and controlled by collecting pressure and physiological parameters, and nursing accuracy, safety and efficiency are improved.

The invention discloses a puncture needle for hepatic artery chemoembolization, and belongs to the technical field of artery puncture. Comprising a transparent holding tube, a flexible sheath tube connected to the near end of the holding tube, and a puncture needle inserted into the flexible sheath tube from the far end of the holding tube; the valve mechanism comprises a transparent blood return tube connected to the far end of the puncture needle and a valve for sealing the far end of the blood return tube; the needle body retreating mechanism comprises a hollow rotating cap which is in threaded connection with the far end of the holding tube, and an inner sleeve which connects the far end of the blood return tube with the hollow rotating cap. The transparent blood return tube is arranged in the transparent holding tube and is sealed through the flap valve arranged at the far end of the blood return tube, the flap valve is in a normally-closed state, high-pressure blood in the artery can be prevented from losing, and the infection risk is reduced; the flap valve allows a guide wire or a micro-catheter to directly penetrate through, a puncture needle does not need to be removed, and operation steps can be reduced.