877 results about "Needle insertion" patented technology

A holographic augmented reality ultrasound needle guide system and method includes an augmented reality display such as a headset wearable by a user. The augmented reality display is configured to depict a virtual ultrasound image. The augmented reality display is further configured to allow a user to select a desired reference point on the virtual ultrasound image. The system is configured to depict a holographic needle guide based on the selection of the desired reference point. The system is also configured to adjust a trajectory of the holographic needle guide to avoid intersecting undesired anatomical structures. The augmented reality display is further configured to stamp the holographic needle guide into a selectively locked trajectory and position.

The invention belongs to the technical field of medical robots, and particularly relates to a mammary gland puncture surgical robot navigation system and device based on multi-modal image fusion. The multi-mode image data are registered and fused, high-precision three-dimensional reconstruction of the mammary gland tissue is achieved, more visual and accurate surgical navigation information is provided for doctors, the position of the puncture needle is tracked in real time, space registration is conducted on the puncture needle and the image data, and therefore the precision and safety of the surgery are improved, and the operation efficiency is improved. Meanwhile, puncture force feedback information of a puncture needle in the needle moving process is collected in real time, the implementation effectiveness of a puncture navigation path is evaluated, when it is found that the puncture path has risks, dynamic adjustment is conducted immediately, a new puncture path bypassing an obstacle area and reaching a focus is planned again, and the risk of the puncture path is avoided. And if the safe path cannot be obtained, the system automatically stops needle insertion and gives an acousto-optic early warning prompt, so that the surgical risk caused by manual misoperation in the traditional surgery is avoided.

The invention discloses an intelligent auxiliary acupuncture system based on the AR technology, and the system comprises the following modules: a multi-modal sensing module which is used for collecting a multi-modal sensing data set containing the surface information of a patient; the visual SLAM guiding module is used for outputting a relative pose between the camera and the skin of the patient; the three-dimensional reconstruction module is used for generating a three-dimensional skin grid model; the candidate acupoint generation module is used for generating a candidate acupoint set under the condition that the density threshold value and the minimum spacing are met; the stable matching module is used for outputting a stable matching result set; the trajectory planning module is used for binding the needle insertion trajectory to the three-dimensional skin grid model to form a needle insertion guide set; and the augmented reality rendering module is used for carrying out real-time visual rendering on the virtual acupuncture point target and the needle inserting track through an augmented reality display terminal. The invention constructs an intelligent acupuncture guide system which is oriented to a real clinical scene and has a real-time correction capability and a medical significance interpretation capability.

A method of inserting a catheter into a vasculature of a patient can include disposing the catheter into a housing. The housing can include a blood flash indicator, having a syringe plunger fixed to the housing and a syringe barrel slidable relative to the syringe plunger. The method can further include positioning the housing adjacent the vasculature, inserting a needle into the housing and through a lumen of the catheter until a distal tip of the needle extends from a distal end of the catheter, and accessing the vasculature via the distal tip of the needle. The method can further include sliding the syringe barrel in a proximal direction relative to the syringe plunger to create a vacuum in a lumen of the needle to thereby draw blood through the lumen of the needle and into the syringe barrel.

This application discloses a renal puncture guidance method, system and computer device based on multi-modal fusion, the method comprises: acquiring a medical image sequence of an object to be examined, and performing three-dimensional reconstruction based on the medical image sequence to obtain a three-dimensional reconstruction model; obtaining a slice corresponding to an ultrasonic probe currently in the three-dimensional reconstruction model; displaying a fusion image obtained from a real-time ultrasound image acquired by the ultrasonic probe and the slice in a first region of a puncture guidance interface; acquiring a needle insertion angle of a puncture needle, and displaying a puncture guide line in the fusion image in real time; and displaying the ultrasonic probe model, the puncture needle model and the three-dimensional reconstruction model in real time in a second region of the puncture guidance interface.

A spiral excitation assembly of a prefilled automatic injection pen and a prefilled automatic injection pen comprising the spiral excitation assembly. The spiral excitation assembly of the prefilled automatic injection pen comprises: a cavity (6) for changing a rotary motion of a threaded push rod (5) into an axial forward movement; a nut (9), which is capable of being rotatably mounted in the cavity (6) relative to the cavity (6), with a torsion spring (7) capable of driving the nut (9) to rotate being arranged between the nut (9) and the cavity (6); the threaded push rod (5), which is in threaded connection with the interior of the nut (9) and driven by the rotation of the nut (9) to move forward and then drive a prefilled syringe (4) to move to complete automatic needle insertion; a clutch member (10), which is sleeved outside the nut (9) and capable of being driven by an excitation sleeve (3) of the prefilled automatic injection pen to move from an engaged position to an excitation position, wherein the clutch member engages with the nut (9) to stop the nut (9) when in the engaged position, and the nut (9) can rotate when the clutch member is in the excitation position; and a clutch spring (8), which is mounted between the clutch member (10) and an end cover (11) and is used for driving the clutch member (10) from the excitation position into a limiting position to limit backward movement of the excitation sleeve (3) to achieve needle protection post-injection, and to cause the clutch member (10) to collide with the nut (9) to produce a sound.

The invention discloses a buccal needle positioning navigation method and system based on multi-mode perception driving, and the method comprises the steps: collecting the image information and depth information of the face of a patient; generating an individualized face three-dimensional model according to the image information and the depth information; determining a standard meridian map according to a meridian database, and registering the standard meridian map to the individualized face three-dimensional model through non-rigid deformation to obtain acupuncture point positioning; according to the acupuncture point positioning and a pre-stored organization hierarchy model, needle insertion path guiding information is calculated and generated, and in an interactive interface, the acupuncture point positioning and the needle insertion path guiding information are displayed in an overlapped mode so as to execute the needle insertion guiding process; and in the needle insertion guiding process, collision detection is carried out according to the needle insertion path guiding information and the organization level model, and safety early warning is carried out when a collision risk is detected. The precision and safety of the acupuncture treatment process can be effectively improved.

The invention discloses a liver, gall and pancreas clinical puncture sampling device in the technical field of medical instruments, which comprises a base, a mechanical arm is fixedly connected to the base, a puncture needle is arranged at the top end of the mechanical arm, a guide rail for mounting the puncture needle is fixedly connected to the top end of the mechanical arm, a pushing part is slidably matched with one side of the guide rail, and the puncture needle is fixedly connected with the pushing part. The base is further fixedly connected with a pump assembly and a fixed arm, the top end of the fixed arm is fixedly connected with a multi-mode integrated sensor, and the side wall of the fixed arm is fixedly connected with a controller. By integrating a plurality of functional layers, the puncture needle can achieve a plurality of functions in single puncture, the mechanical arm is controlled to guide the puncture process of the puncture needle and compensate respiratory movement displacement through model construction and displacement prediction of the controller, and bleeding stopping gel is sprayed in a self-adaptive mode through resistance borne during needle insertion, so that massive bleeding is avoided; therefore, the efficiency of the hepatobiliary pancreas puncture operation is improved, the possibility of tissue bleeding infection is reduced, and the painless treatment experience of a patient is improved.

The utility model relates to the technical field of sewing machines, in particular to an outer shuttle frame and a rotating shuttle, which comprise an outer shuttle main body with an integral structure, a mounting cavity arranged in the middle of the outer shuttle main body, a guide groove concavely arranged on the side wall of the mounting cavity and a mounting surface arranged on the top end surface of the guide groove, and at least one arc-shaped limiting piece detachably arranged on the mounting surface. The arc-shaped limiting piece is used for limiting the guide rail of the inner shuttle frame in the guide groove, the side wall of the outer shuttle body is provided with at least one dust discharging hole communicated with the guide groove, the top edge of the outer shuttle body is provided with a thread pushing protrusion, a needle inserting groove located below the thread pushing protrusion and a needle protecting face connected with the needle inserting groove, and the needle inserting groove is used for insertion of a machine needle. The outer shuttle body is of an integrated structure, the structural stability is good, the upper threads are pushed outwards through the thread pushing protrusions, the upper threads are convenient to loosen, the needle protection faces are arranged for limiting and protecting the machine needles, dust in the guide grooves is discharged through the dust discharging holes, heat dissipation is facilitated, and the fault probability that the inner shuttle frame is clamped in the outer shuttle body is reduced.

The application provides a prostate precise puncture system, comprising: an image acquisition module configured to acquire anus image data of a patient; an anus detection module configured to receive the anus image data to detect the anus position of the patient in real time based on the anus image data; the posture adjustment module is configured to control the mechanical arm to perform posture adjustment, so that the mechanical arm pushes the ultrasonic probe to pass through the anus position to obtain prostate ultrasonic image data; and the needle insertion correction module is configured to obtain a needle insertion puncture position based on the needle insertion parameters and transmit the needle insertion puncture position to the posture adjustment module, so that the posture adjustment module performs needle insertion puncture on the focus planning point of the prostate based on the needle insertion puncture position and the prostate ultrasonic image data. The difficulty of manually placing the probe and the posture of the mechanical arm in the prostate puncture operation is improved, the needle inserting position is corrected, the sampling precision is improved, anatomical structures such as the urethra and the pubis are avoided, and the occurrence rate of puncture related complications and the puncture failure rate are reduced.

The invention discloses a prostate ablation operation needle insertion position construction method and a navigation system, and the method employs a three-dimensional model constructed by an MRI image, and determines the position of a needle insertion point and the number of inserted needles according to the ratio of the longitudinal axis distance between cystamen and verufugu to the diameter of a cylinder of single ablation needle ablation. If the upper and lower diameters of the prostate lateral lobes of the horizontal section corresponding to a single needle insertion point are smaller than 4cm, one needle is inserted into the horizontal plane; if the upper diameter and the lower diameter are greater than or equal to 4cm, entering two stitches; if the maximum diameter of the prostate lateral lobe at a certain longitudinal axis position in the horizontal direction is larger than 1 cm, a needle inserting point is additionally added, and if the length of the part protruding to the middle lobe of the bladder is larger than 1 cm, the needle inserting point is additionally added. The needle inserting point is utilized to enter a surgical navigation system, and the operation is accurately carried out in a unified mode under the guidance of the navigation system. A good treatment effect can be achieved when the hot steam ablation needle is punctured into a hyperplastic prostate near the urethra through the needle insertion point for ablation, the needle insertion point is constructed on the coronal section to ensure the ablation range, and the surgical risk is reduced.

A device comprises an ultrasound probe housing containing ultrasound probes configured to produce images inside a body of a patient and having an ambient side, a body side, a first side that connects the ambient side to the body side, and a second side that connects the ambient side to the body side and is substantially opposite to the first side, and wherein the ultrasound probes are positioned to provide a field of view beneath the body side of the ultrasound probe housing. The device further includes a first clamping arm that extends from the first side and a second clamping arm that extends from the second side, wherein the first clamping arm and the second clamping arm are configured to secure the ultrasound probe housing to a body of the patient such that the body side of the ultrasound probe is facing toward the body of the patient.

The invention provides an electric tungsten fire needle tumor ablation system, and the system comprises an image navigation module which is used for integrating CT / MRI / ultrasonic images, constructing a three-dimensional tumor model in real time, tracking a target region through electromagnetic positioning, and dynamically calibrating a needle insertion path; the insulating tungsten fire needle execution module is used for adopting a high-density tungsten alloy needle body and a multi-axis mechanical arm to control multi-angle puncture; the energy output module is used for intelligently adjusting radio frequency / microwave power and releasing energy in a pulse mode; and the temperature control feedback module is used for monitoring the temperature in real time and automatically terminating overheating energy. According to the technical scheme, accurate, safe and effective ablation of tumors is achieved.

The invention provides an automatic navigation method and system for ablation, and relates to the technical field of computer-aided medicines.The method comprises the steps that hard constraint conditions and soft constraint conditions of an ablation path are set; based on a hard constraint condition, initializing a plurality of preliminary ablation paths meeting the hard constraint condition; calculating a risk index of each preliminary ablation path based on a soft constraint condition; sorting the initial ablation paths according to the risk indexes from low to high, and selecting the initial ablation path in the front as an initial solution of a sea gull optimization algorithm; optimizing the ablation path through a seagull optimization algorithm, and determining a plurality of candidate ablation paths; sorting the candidate ablation paths according to the fitness from low to high, and selecting the candidate ablation paths in the front for organ injury evaluation; determining an optimal ablation path from the candidate ablation paths according to an organ injury evaluation result; and performing ablation navigation according to the needle insertion position, angle and depth determined by the optimal ablation path.

The utility model relates to the technical field of pasture processing equipment, in particular to a square bale collecting machine. Comprising a dip angle pickup device, a horizontal transmission device, a straw bale leading-in device, a straw bale jacking device, a needle threading device assembly, a knotter assembly, a straw bale leading-out device and a bale collecting bin which are installed on a chassis assembly. The dip angle pickup device picks up small square bales on the ground and sends the small square bales to the horizontal transmission device, the horizontal transmission device sends the small square bales to an inlet of the bale collecting bin, the bale guiding device pushes the small square bales into the bale collecting bin, and the bale jacking device jacks the small square bales to the upper portion of the bale collecting bin. When the number of the small square bales in the bale collecting bin reaches a set value, the needle threading device assembly and the knotter assembly work at the same time to bundle the small square bales into a large square bale, the bale guiding device pushes the large square bale out of the bale collecting bin, and the large square bale falls on the ground. Small square bales can be picked up, stacked, extruded and bundled into large square bales, the operation efficiency is improved, and the cost is greatly reduced.

The utility model relates to the field of needle tube assembling equipment, and discloses a needle alignment mechanism which can detect the position deviation of a needle inserting head and a photographing assembly and improve the machining precision. The device comprises a rack, the bracket is arranged on the rack; the first photographing assembly is arranged on the bracket; the transferring assembly is used for driving the support to move in the up-down, left-right and front-back directions; the pin head is arranged on the bracket; the second photographing assembly is arranged on the rack; and the optical calibration plate is arranged right above the second photographing assembly and located below the first photographing assembly, the upper side and the lower side of the optical calibration plate are each provided with a plurality of positioning marks, and the multiple positioning marks are symmetrically arranged up and down.

The embodiment of the invention provides a detachable detection device and a needle assistor, the detection device is used for detecting blood glucose, the detection device comprises a detection assembly, a sensor assembly and a needling assembly, the detection assembly comprises a flat shell, the outer wall of the bottom of the flat shell is sunken inwards to form a containing cavity, the sensor assembly comprises a base and a probe, the base is provided with a second via hole, and the probe is arranged in the containing cavity. The base is detachably clamped in the containing cavity, part of the probe is located in the base, part of the probe extends out of the hole wall of the second through hole and extends towards the side away from the detection assembly, and when the base is located in the containing cavity, the probe is electrically connected with the detection circuit board. According to the embodiment of the invention, the detection assembly and the sensor assembly are mutually detachable and can be clamped, so that only the sensor assembly is sterilized instead of the detection assembly in the sterilization process, and the influence on the detection circuit board in the detection assembly in the electromagnetic wave or irradiation sterilization process can be avoided; the product yield of the detection device is improved.

The present invention discloses a novel effusion extraction device for oncology treatment and its extraction method, which relates to the technical field of effusion extraction. It includes a sleeve with a barrel cavity for accommodating a syringe. One end of the sleeve is provided with a first extension hole for the needle tip to protrude, and the other end is open for the needle handle and its end cap to protrude. The sleeve is provided with a pumping mechanism, including a pressing part and a transmission part. The pressing part is arranged outside the barrel wall of the sleeve, and the transmission part is arranged inside the barrel wall of the sleeve. The present invention improves the problems in the prior art that when performing effusion extraction and needle insertion, during the operation of retracting and inserting the needle simultaneously, the operator generally operates with both hands, and the other hand repeatedly retracts the needle handle, making it difficult to control the center of gravity and the needle insertion not stable enough. The present invention has the advantages that the operator can insert the needle with one hand and simultaneously control the repeated retraction of the needle handle with the other hand, and the other hand can be placed on the puncture site, making the operation more convenient and the needle insertion more stable.

The invention belongs to the technical field of flying probe machines, and particularly relates to a dynamic self-adaptive adjustment method, system and equipment for the needle inserting height of a flying probe machine based on grid division and a medium. A PCB board is simplified into small plane grids through the grid division technology, and the needle inserting height of each grid bonding pad is calculated in combination with a space plane equation; and the self-adaptive adjustment of the bonding pads with different heights is realized. The system is especially suitable for detecting complex plate surfaces such as warped plates, can accurately identify and adapt to plate surface deformation, and ensures the needle inserting precision. Meanwhile, the system acquires height information in real time by using the needle tip sensor, plans the test speed in advance, and realizes high-speed and accurate flying probe test. According to the invention, the test cost is reduced, the test efficiency and universality are improved, and a powerful guarantee is provided for the quality control and production efficiency of the electronic manufacturing industry.

The provided is a minimally invasive puncture system based on a navigation system. The minimally invasive puncture system includes a puncture instrument and an electromagnetic navigation module. A first electromagnetic positioning sensor in the electromagnetic navigation module is fixedly provided on a puncture needle body portion of the puncture instrument, and a second electromagnetic positioning sensor is slidably sleeved on the puncture needle body portion. An electromagnetic positioning reading device in the electromagnetic navigation module is configured to acquire real-time coordinates of the first electromagnetic positioning sensor and the second electromagnetic positioning sensor, so as to obtain a real-time movement trajectory of the second electromagnetic positioning sensor relative to the first electromagnetic positioning sensor, thereby determining whether a real-time needle insertion trajectory of the puncture needle body portion entering the human body conforms to a system-default needle insertion trajectory.

The full-automatic concrete setting time measuring device comprises a machine body, a test cylinder and an electric control system which is arranged on the front side of the machine body and is used for controlling all electric appliance accessories, the upper side of the machine body is sequentially provided with a test cylinder placing frame used for arranging and placing a plurality of test cylinders, a multi-direction moving mechanical arm used for grabbing the test cylinders to move front and back, up and down and left and right, an uncovering mechanism used for uncovering the test cylinders, and a dip angle water absorbing mechanism used for absorbing bleeding water on the inner sides of the test cylinders from right to left. The rotating mechanism is used for placing the uncovered test cylinder, the needle feeding mechanism is arranged above the rotating mechanism and is used for inserting and measuring the setting time of concrete in the test cylinder, a concrete penetration force value is automatically measured within a specified time interval through an automatic electric control system, and the penetration resistance of a sample is calculated; and the initial setting time and the final setting time are obtained through the time-penetration resistance curve, so that manual detection of the setting time is converted into automatic detection, and the working efficiency and the accuracy are greatly improved.

The invention relates to the technical field of medical training, and discloses a lumbar puncture simulation teaching system based on an AR technology, and the system comprises an AR content generation module which collects a lumbar medical image and carries out the tissue segmentation and focus recognition; performing three-dimensional geometric modeling based on the tissue segmentation result and the focus recognition result to generate a lumbar vertebra 3D model; the AR display interaction module develops an interaction function of the lumbar vertebra 3D model by using a Unity platform and AR equipment; interactive operation of the user is monitored, and feedback is conducted in real time; and the operation evaluation module is used for evaluating the interaction operation of the user and assigning an improvement suggestion according to an evaluation result. A three-dimensional visual scene is constructed through the AR technology, a user can observe the needle inserting process from different angles according to the complex anatomical structure of the lumbar vertebra part, and dynamic effects such as cerebrospinal fluid pressure change are simulated; in the lumbar puncture simulation training, the AR system can feed back operation data in real time, such as the needle inserting angle, the puncture strength and the puncture depth, and the user is helped to accurately master operation skills.

The utility model discloses a sponge plate die punching device conveying mechanism which comprises a rack, a transfer driving mechanism arranged on the rack and a transfer translation plate driven by the transfer driving mechanism, the transfer translation plate is provided with a transfer frame driven by a transfer lifting unit to ascend and descend, the transfer frame is provided with a plurality of driving units, and the driving units are arranged on the transfer frame. The driving unit is provided with a clamping piece and a pricking needle fixed through the clamping piece. The pricking needles are pushed by the driving unit to be inserted into the plate to be fixed, then the transferring frame is driven by the transferring driving mechanism to move, the plate can be dragged to the preset position through the pricking needles, transferring of the plate is achieved, the characteristics of the plate are fully utilized for design, the structure is simple, and working efficiency is high.

The device of the present invention is an ultrasound device which is used in a clinical setting to help users locate the correct position and angle for needle insertion. The device provides images of perpendicular image planes without needing to move the device thereby allowing a user to maintain a steady view of the target and surrounding anatomy in multiple image planes as the needle is advanced. The device may comprise a needle guide assembly which can adjust the needle guide angle to control needle insertion. The device may comprise a boot which provides acoustic coupling, sterility and needle guidance.

The invention relates to an injection pen, which comprises an injection assembly, which comprises a syringe, a piston, a piston rod and a needle, the piston is installed in the syringe, and the needle is fixed at the near end of the syringe; a needle hiding sleeve; when the injection pen is in an initial state, the needle hiding sleeve is in an initial position, the needle head is hidden in the needle hiding sleeve, and a distance S1 is reserved between the piston and the piston rod; in the process that the needle hiding sleeve is driven by external force to move in the direction towards the far end of the injection pen, firstly, the needle head stretches out of the needle hiding sleeve and completes needle insertion, and then the needle hiding sleeve drives the injection cylinder, the piston and the needle head to move synchronously till the needle hiding sleeve moves to the injection triggering position. The needle hiding sleeve triggers the piston rod to move in the direction towards the near end of the injection pen and pushes the piston to move so as to trigger the injection assembly to conduct injection. According to the injection pen, the needle inserting depth can be kept unchanged after needle inserting is completed, the pain feeling is relieved, and the injection experience of a user is improved.

A sewing machine external unit includes: a holder holding fabric; a driver being detachable from a bed of a sewing machine and driving the holder along an upper surface of the bed; a pressing member moving in an up-down direction according to movement of a sewing needle in the up-down direction, pressing the fabric while the sewing needle is stuck in the fabric, and rising together with the sewing needle in response to the sewing needle coming out of the fabric and rising; a position detector detecting a position of the pressing member in the up-down direction; a signal output part outputting a signal to the sewing machine; and a controller outputting a needle drive signal for driving the sewing needle from the signal output part to the sewing machine, and controlling driving of the holder and / or the sewing needle based on a detection result of the position detector.

The utility model provides a descaling shower head which comprises a shower head body, a water outlet surface cover and a descaling plate. The shower head body is provided with a water inlet, the water outlet surface cover is at least provided with a water outlet, and descaling needles are arranged on the front face of the descaling plate. The water outlet surface cover is movably arranged on the shower head body, the descaling plate is arranged in a cavity of the shower head body and can move relative to the water outlet surface cover, a connecting piece is arranged on the back face of the descaling plate, a guiding piece capable of hanging and guiding the connecting piece is correspondingly arranged in the cavity, and the water outlet surface cover can drive the connecting piece to move relative to the guiding piece after rotating. The relative position of the descaling plate and the water outlet surface cover is controlled, and a descaling needle of the descaling plate is correspondingly guided to be inserted into or away from the water outlet; by rotating the water outlet surface cover, the descaling needle can be automatically inserted into the water outlet to remove accumulated water scales, manual disassembly and cleaning by a user are not needed, the cleaning efficiency is greatly improved, water outlet blockage caused by water scale accumulation can be prevented through regular automatic descaling, and therefore the service life of the shower head is prolonged.

The invention relates to the technical field of blood collection, in particular to a blood collection device for medical examination, which comprises a blood collection tube preprocessing module, a tourniquet binding module arranged above a placement platform and used for carrying out tourniquet on a patient and a vein recognition and positioning module used for recognizing and positioning veins of the patient, a circulating rotation disinfection module used for being in contact with the arm of the patient is further arranged in the placement platform; the tourniquet is tightened through the tourniquet retracting and releasing device, the pressure sensor can detect the compression force on the arm of a patient, automatic adjustment is achieved, manual binding is not needed, too loose and too tight conditions are not prone to occurring, the binding quality is ensured, the vein recognition and positioning module can recognize the vein position below the arm epidermis, infrared positioning is adopted, and the positioning accuracy is improved. The blood collection tube pretreatment module can automatically shake a vacuum collection tube after blood drawing is completed, it is ensured that an anticoagulant is mixed with a blood sample, and the blood sample quality is ensured.

The invention relates to the technical field of electrical thumbtack needle nerve electrical stimulation, in particular to a low-stimulation electrical thumbtack needle nerve electrical stimulation parameter optimization method and system, and the method comprises the steps: obtaining first data; the electric thumbtack needle is inserted into the acupuncture point of the stimulation object, the actual stimulation frequency of the electric thumbtack needle is set as the reference stimulation frequency, the actual pulse width is set as the reference pulse width, and the actual current intensity is set as the reference current intensity; reading a reference blood pressure value, a reference heart rate value and a reference electromyographic signal amplitude; the actual stimulation frequency, the actual pulse width and the actual current intensity of the electric thumbtack needle are dynamically set with the preset adjustment interval time as the interval, and a blood pressure value three-dimensional function, a heart rate value three-dimensional function and an electromyographic signal amplitude three-dimensional function are obtained; and electric thumbtack needle nerve electrical stimulation optimization parameters are calculated through a parameter optimization algorithm. The electric thumbtack needle nerve electrical stimulation optimization parameters are calculated through a parameter optimization algorithm, and therefore it is ensured that the stimulated object maintains the optimal physiological indexes in the nerve electrical stimulation process.

A device comprises an ultrasound probe housing having an ambient side and a body side wherein the ultrasound probe housing contains a plurality of ultrasound probes configured to produce images of inside the body of a patient. The device may further include a needle guide assembly connected to the housing that receives a needle for insertion into the body of the patient so that the needle can be visualized by the ultrasonic probes in real time. Each of a first set of the ultrasound probes is positioned non-perpendicular to the body side of the ultrasound probe housing such that a direction of ultrasound waves generated by each of the first set of ultrasound probes is toward a site of penetration of the needle into the body of the patient.