141 results about "Puncture procedure" patented technology

The invention discloses a shoulder joint puncture guiding system and method based on an intelligent ultrasonic image, and the system comprises an ultrasonic image collection and preprocessing module, an anatomical structure recognition and positioning module, a puncture path planning and guiding module, a puncture operation real-time monitoring and feedback module, and a puncture result evaluation and recording module. Through intelligent ultrasonic image recognition and path planning, the technical problems that traditional shoulder joint puncture depends on doctor experience and is insufficient in precision are solved, through real-time monitoring and feedback, the technical problem that important anatomical structures are prone to being accidentally injured in the traditional puncture process is solved, the operation safety is improved, and through the intelligent puncture guiding system, the puncture guiding accuracy is improved. The technical problems that a traditional method lacks a standardized process and is poor in operation consistency are solved, and the technical problems that a traditional puncture method is long in time consumption and low in efficiency are solved through automatic anatomical structure recognition and path planning.

The invention discloses a puncture assisting device for an anesthesia puncture bag, and belongs to the field of puncture assisting. Comprising lifting clamping mechanisms, and the number of the lifting clamping mechanisms is two. A guide mechanism is arranged between the two lifting clamping mechanisms; a puncture mechanism is arranged on the front surface of the guide mechanism; a puncture needle body is arranged on the inner side of the puncture mechanism; the puncturing mechanism comprises a protective cylinder, a through lifting groove is formed in the left side of the protective cylinder, and the inner side of the lifting groove is rotationally connected with a lead screw through a rotating shaft; in the aspect of clamping and fixing, the lifting clamping mechanism can flexibly select a vertical clamping mode or a transverse clamping mode according to different bed body edge structures, the stable and firm clamping effect is achieved in the clamping process through a positioning rod, an adjusting bolt and other components, a firm foundation support is provided for the whole puncture operation, and the puncture safety is improved. And the puncture adjusting distance is not shortened in order to change the clamping mode.

The invention discloses an ultrasonic positioning intelligent guide puncture device and a using method thereof, and relates to the technical field of medical instruments. Comprising a probe clamp used for fixing an ultrasonic probe; the vasoreceptor is arranged at the position attached to the ultrasonic probe; scales are marked on the surface of the slideway, and the left end of the slideway is connected with the probe clamp; the needle feeding frame is arranged above the slide way and is used for placing a syringe needle; the bottom of the telescopic sliding support is connected with the slideway and can slide on the slideway, and an injector needle cylinder is placed on the top of the telescopic sliding support and used for adjusting the optimal angle of an injector; the intelligent liquid crystal display is used for displaying relative positions of the detection needle and the blood vessel. Accurate locking of the needle inserting angle and position can be achieved, the puncture operation gets rid of dependence on clinical experience, the working efficiency is remarkably improved, and meanwhile the puncture success rate is effectively increased.

The utility model relates to the technical field of medical instruments, and provides an ultrasonic puncture auxiliary device and an ultrasonic puncture system.The ultrasonic puncture auxiliary device comprises a mounting frame, an adjusting assembly, a locking assembly and a puncture guide assembly; the adjusting assembly is used for mounting the ultrasonic probe, is arranged on the mounting frame in a liftable manner, and can rotate in an ultrasonic plane formed by the ultrasonic probe and obliquely move outside the ultrasonic plane so as to adjust the pose of the ultrasonic probe; the locking assembly is used for locking the position and posture of the ultrasonic probe adjusted to the proper position and posture; the puncture guide assembly is arranged on the adjusting assembly and used for containing a puncture needle. According to the ultrasonic puncture auxiliary device, the position and posture adjustment of the ultrasonic probe is separated from the puncture operation, the convenience of ultrasonic puncture is improved, and the difficulty of ultrasonic puncture is reduced.

The utility model discloses a deep vein puncture training simulation device, which comprises a puncture training platform, a dummy man device and a puncture training device, the dummy man device comprises a dummy man body and simulated deep veins distributed in the dummy man body, and each simulated deep vein is filled with simulated blood. The surface of the simulation human body is coated with a transparent observation layer through which all the simulation deep veins can be observed; a body position adjusting device is arranged on the puncture training table; the puncture training device comprises a puncture training needle and a puncture feedback device; teaching and training requirements of different body positions can be met by adjusting the body position of the simulated human body, all simulated deep veins can be observed through the transparent observation layer, and puncture results can be fed back in time when puncture training is conducted through cooperation of the puncture training needle and the puncture feedback device. When puncture fails, failure causes can be known through observation of the transparent observation layer, so that trainees can adjust and correct in time, and accuracy, training efficiency and quality of puncture operation are improved.

Provided is a puncture assistance system, a puncture assistance device, a puncture needle position correction system, and a surgical robot. The system includes a processor configured to: obtain a scan image of a target object; the scan image including at least one of a preoperative image, a first image from a first time period, and a second image from a second time period; the first time period is earlier than the second time period; generate puncture guidance information based on puncture status information and the scan image; guide a puncture operation based on the puncture guidance information; and display the puncture guidance information.

The invention discloses a puncture tissue recognition and transmembrane event control method and system based on force sense and image fusion, and the method comprises the steps: collecting a force signal at the tail end of a puncture needle, a real-time ultrasonic image sequence and the pose data of a mechanical arm, and carrying out the timestamp alignment to construct a synchronous data set; on the basis, tissue stiffness, a force change rate, extreme value features, texture features, envelope boundary features and optical flow displacement features are extracted, the tissue level where the puncture needle is located is recognized through multi-modal fusion, and a membrane penetrating event is detected in combination with the force sense extreme value features and envelope boundary fracture; according to the tissue level and the transmembrane event, event driving control strategies such as constant-speed propulsion, deceleration early warning, rotation assistance, transmembrane braking and path compensation are automatically triggered, so that the puncture process is accurately regulated and controlled. The accuracy of puncture tissue recognition and the reliability of transmembrane event judgment can be remarkably improved, and the safety and stability of puncture operation are improved.

The invention relates to the technical field of medical simulation, in particular to an ablation needle puncture training auxiliary system, and aims to solve the problems of insufficient tactile feedback and low fineness when an existing ablation needle puncture training system simulates a needle tip to penetrate through multiple layers of biological tissues so as to improve the'needle feeling 'cognition and fine operation skills of doctors. The system is characterized by comprising a physical interaction module, a virtual simulation module, a central processing module and a visual presentation module, a high-fidelity virtual tissue model is constructed, real-time multi-mode tactile feedback is combined, and an accurate needle-tissue interaction mechanical simulation and multi-dimensional tactile rendering algorithm is adopted. By the adoption of the technical scheme, the problem of a touch gap is effectively solved, the authenticity and effectiveness of simulation training are improved, and the precision and safety of clinical puncture operation are remarkably improved.

The invention provides a kidney needle biopsy quantitative teaching evaluation system and method based on mixed reality, and the system comprises a virtual-real space registration unit which is used for building the space mapping between a virtual kidney model containing a renal cortex layered anatomical structure and a simulation entity training model body, and completing the space registration of the virtual model and the entity model body; the operation data acquisition module is used for acquiring three-dimensional motion trail data of the puncture needle in the puncture operation process; according to the quantitative scoring module, the multi-dimensional weighted scoring model takes the cortical ratio as a core evaluation index, and the scoring dimension corresponding to the cortical ratio has the highest weight in the model; the quantitative scoring module calculates a cortical ratio based on the acquired three-dimensional motion trail data, and outputs an operation quantitative score through a multi-dimensional weighted scoring model; and the closed-loop verification unit is used for acquiring a real puncture result on the simulation entity training die body and comparing the real puncture result with the puncture track subjected to virtual calculation so as to calibrate the operation quantitative score.

The application relates to the technical field of orthopedic puncture, in particular to an orthopedic puncture navigation system; through the cooperation of a puncture positioning module and a control module, image data and a mechanical adjusting mechanism are organically combined, high-precision planning and positioning of a target puncture point, a puncture angle and a puncture depth are realized, the dependence on the experience of an operator in traditional puncture operation is significantly reduced, the problem of inaccurate positioning caused by artificial judgment deviation is effectively solved, the operation time is greatly shortened, so as to reduce the pain and operation risk of a patient, the puncture positioning module adopts a mechanical structure of a multi-degree-of-freedom adjustable machine, through the cooperation of a horizontal distance adjusting rod, a vertical distance adjusting rod and a positioning cylinder, flexible and accurate adjustment of the position and angle of a target puncture needle in a three-dimensional space is realized, the structure is compact and the adjusting logic is clear, the adaptability of the system to different anatomical structures and operation scenes is enhanced, and the flexibility and controllability of operation are improved.

The application discloses a skin tension device suitable for thoracentesis, and relates to the technical field of thoracentesis. The tension device comprises a base, a moving stretching component, a thoracentesis limiting component, an angle adjusting device and a supporting device. When working, a patient sits on the base, the height of the base can be adjusted according to the height of the patient, and the supporting device can provide suitable back support for the patient. After the patient sits down, medical staff drives the angle adjusting device to adjust the whole thoracentesis tension device to a suitable angle of the thoracic cavity area to be punctured of the patient, then the moving stretching component generates a moderate tension on the skin, and the skin at the puncture site is taut, thereby creating good conditions for subsequent puncture operation. Meanwhile, the thoracentesis limiting component can preliminarily guide and limit the direction and depth of the puncture needle. The skin is taut through the moving stretching component, and the application has the effect of meeting different puncture requirements.

Embodiments of the present application relate to a surgical early warning method and device based on ultrasound image visualization, equipment and medium. The method comprises: extracting the corresponding organ surface from the preset voxel model according to the label corresponding to a plurality of preset organs; wherein the organ surface is composed of triangular facets; according to the set frequency, the ultrasound section is refreshed and drawn according to the pose of the ultrasound section; according to the positional relationship between the triangular facets constituting the organ surface and the pose of the ultrasound section, an organ model is drawn; in response to the user's simulated puncture operation on the organ model, the puncture needle is displayed according to the spatial position of the puncture needle. The technical scheme of the embodiments of the present application can realize the effect of improving the safety and accuracy of the operation.

The application discloses a needle insertion method and an auxiliary device for puncture surgery, and comprises the following steps: S1, acquiring medical image data of a target part; S2, determining a tomographic image where the target part is located; pre-processing the image, confirming an accessible area of a puncture needle, and then confirming a target needle insertion track. The application has the beneficial effects that different levels of tomographic images are analyzed, and inaccessible areas in each area are avoided, so that the safety of needle insertion in puncture surgery can be ensured, the safety of surgery is improved, the incidence of postoperative complications of patients is reduced, radiation can be reduced, and the pain and distress of patients caused by the radiation can be reduced.

The invention provides an injection puncture device in a lumbar facet joint, and belongs to the technical field of medical instruments. Comprising a body surface positioning frame and an in-vitro positioning frame, the body surface positioning frame and the in-vitro positioning frame are fixedly connected together through a collaboration rod, positioning bandages are installed at the top and the bottom of the body surface positioning frame, and the collaboration puncture mechanism is used for assisting medical staff in conducting puncture operation. The collaborative puncture mechanism is connected with the body surface positioning frame, the in-vitro positioning frame and the collaborative rod. By arranging the collaborative puncture mechanism, the puncture angle of the puncture needle can be adjusted by means of a puncture positioning ball and an adjusting knob, and the puncture position can be changed by means of a supporting system formed by the body surface positioning frame and the in-vitro positioning frame, so that medical staff can find joint gaps of lumbar facet joints more conveniently; therefore, medical staff can judge the puncture angle and the puncture depth according to the lumbar vertebra outline of a patient, the difficulty of puncture operation is greatly reduced, and the efficiency of puncture operation is improved.

The utility model relates to puncture fixer technical field, and disclose a puncture fixer, including base, fixed box, needle tube adjusting sleeve and needle sleeve, the base top is equipped with fixed concave surface, the base top both sides are equipped with fixed box, both sides fixed box top all are equipped with slide, the slide top is equipped with slide bar, between both sides slide bar is equipped with needle tube adjusting sleeve, the needle tube adjusting sleeve inside is connected with needle sleeve with slide, this puncture fixer, through the fixed concave surface design of base top, has provided stable support platform for puncture operation, the design of slide and slide bar makes needle tube adjusting sleeve can move flexibly in perpendicular direction, the slide connection of first slide rail of needle tube adjusting sleeve inner wall and needle sleeve makes needle sleeve can move in horizontal direction to expand the adjustment range of puncture point, and the design that moving plate drives in stable sleeve slide rail board slide.

The utility model relates to the technical field of lumbar intervertebral puncture positioning, in particular to a lumbar percutaneous intervertebral foramen endoscope puncture positioner which comprises a telescopic rod, a transverse rod, a moving assembly, a fixing assembly and an angle adjusting assembly. The angle adjusting assembly comprises a first arc-shaped seat, a first adjusting assembly, a second arc-shaped seat, a second adjusting assembly and a puncture sleeve, the two locking pieces are driven by the driving component to move, then the locking pieces are moved out of the locking grooves and are retracted into the bottom of the sliding block, and at the moment, the sliding block can drive the second arc-shaped seat to slide along the first arc-shaped seat; and then the puncture cannula is driven to slide along the second arc-shaped seat in the same way, then the angle of the puncture cannula in the vertical direction is adjusted, and after the angle of the puncture cannula is adjusted in place, a puncture needle is placed through the puncture sleeve for puncture operation, so that the disclosure of the puncture cannula is flexibly adjusted. And the puncture flexibility and accuracy are improved.

The invention discloses an abdominal cavity operation puncture outfit which comprises a puncture outfit body and further comprises two arc-shaped fixing plates, and the two arc-shaped fixing plates are symmetrically distributed on the two sides of the puncture outfit body. The pedal is treaded by feet, air in the arc-shaped groove is extracted through the air extraction assembly, so that the arc-shaped fixing plates suck the abdominal skin of a patient, the abdominal skin of the patient can be driven to move upwards to cater to the puncture outfit body by pulling the handle with the hand, and meanwhile an operator presses the pressing plate and drives the two arc-shaped fixing plates to deflect and open through the auxiliary assembly. Meanwhile, a puncture opening of the patient is dragged and exposed, so that puncture operation of an operator is facilitated, meanwhile, the linkage assembly is used for driving the two arc-shaped plates to be closed to form a guide channel to guide the puncture outfit body, and then the puncture precision is improved; therefore, the distance between the abdominal skin and the viscera of the patient is increased, the puncture risk is reduced, and meanwhile the operation pressure of medical staff is reduced.

The utility model discloses a visualized amniotic fluid puncture outfit relates to medical instrument technical field, including superfine endoscope and puncture component, the puncture component includes T-type drainage tube, the both sides of T-type drainage tube are provided with drainage connection port, the drainage connection port is controlled by flow valve, and the drainage connection port is connected with the flow valve. A puncture needle tube is arranged at the bottom of the T-shaped drainage tube, the top of the T-shaped drainage tube is connected with a superfine endoscope through a connecting fastener, a superfine endoscope lens is arranged at the bottom of the superfine endoscope, and the superfine endoscope lens is inserted into the puncture needle tube. According to the amniotic fluid puncture needle, a doctor can directly perform puncture operation, the risk of accidentally injuring tissues of a fetus and a maternal body is remarkably reduced, the position of the needle head and the puncture depth can be more accurately judged, and the efficiency of amniotic fluid puncture is improved.

The invention relates to the technical field of medical instruments, in particular to a fixed-point probing device for abdominal hemorrhage, which comprises a position adjusting frame, a connecting mechanism is arranged on the left side of the top of the position adjusting frame, and a puncture frame is arranged on the front side of the outer wall of the connecting mechanism. According to the fixed-point probing device for abdominal hemorrhage, accurate positioning and stable puncture of the fixed-point probing device for abdominal hemorrhage are achieved, through the precise mechanical structure design, the accuracy and safety of puncture operation are ensured, the design of a positioning block and a positioning block through groove in the device provides an intuitive puncture aim point for medical staff, the puncture precision is greatly improved, and meanwhile the puncture effect is improved. The design of the limiting assembly effectively prevents the puncture needle from accidentally stretching out in a non-operation state, the safety of the device is improved, the whole device is ingenious in structural design and easy and convenient to operate, the efficiency and accuracy of fixed-point probing of abdominal hemorrhage are improved, and the operation burden of medical staff is greatly relieved.

A surgical execution device and a surgical robot comprising the same. The surgical execution device comprises a main frame, a puncture mechanism and a knotting mechanism; the main frame comprises an execution end and a driving end oppositely arranged in a first direction; the puncture mechanism is located at the execution end and comprises a puncture track configured to allow a leading end of a suture to move along the puncture track to perform a puncture operation in a suture area; the knotting mechanism is located at the execution end and comprises a knotting track configured to allow the leading end of the suture to move along the knotting track, the knotting track being located in a knotting plane; the execution end comprises a suture opening, the suture area being located on one side of the suture opening in a second direction, the puncture track passing through the suture opening to perform the puncture operation in the suture area, the knotting track being located on a side of the suture opening away from the suture area in the second direction, the second direction being perpendicular to the knotting plane. The surgical execution device can realize miniaturization of the surgical execution device.

The invention provides puncture navigation control equipment and device and a puncture navigation surgery system.The puncture navigation control equipment comprises a processor, the processor is used for executing the following steps that a first instruction of a user is received, and the first instruction is used for adjusting the position of medical imaging equipment; in response to the first instruction, adjusting the medical image equipment to a preset target position; the medical imaging equipment is controlled to scan the target object at the target position, a target medical image is obtained, and the target medical image is used for determining the puncture state of the puncture needle for conducting puncture operation on the target object. By presetting the target position, when the first instruction of the user is received, the medical imaging equipment can be moved to the target position in response to the first instruction, the user does not need to manually adjust the position of the medical imaging equipment, and the puncture efficiency is improved.

This invention discloses a scrotum support device for transperineal prostate puncture, mainly comprising a detachable mounting bracket with a built-in fixator inserted into the side of the bed, an adjustment mechanism detachably mounted on the upper end of the mounting bracket, a support bracket detachably mounted on one end of the adjustment mechanism and adjustable in the length direction of the bed via the adjustment mechanism, and a support sleeve detachably fitted onto the end of the support bracket for supporting the patient's scrotum. This device can precisely adjust the support position according to the patient's position and the needs of the puncture procedure, effectively reducing the manpower required by medical staff and avoiding problems such as scrotal displacement and poor exposure of the puncture field caused by unstable manual support force and position. Simultaneously, the detachable design of the support sleeve and support bracket facilitates postoperative cleaning and disinfection. The overall device is flexible and adaptable, providing stable and precise scrotum support for transperineal prostate puncture, fully exposing the puncture area, and improving the convenience and safety of the puncture procedure.

The CT-guided needle biopsy body surface calibrator comprises a calibration ruler and a catheter, the calibration ruler comprises two supporting strips which are arranged in parallel and are made of plastic materials, and a plurality of metal rods which are arranged between the two supporting strips at equal intervals; wherein the middle part of one or more metal rods is movably connected with an angle regulator, and the catheter is arranged on the angle regulator and is used for guiding the puncture needle. According to the puncture calibrator, the smoothness and success rate of puncture operation can be improved, the calibrator can be repeatedly used, the equipment cost is lower, and the puncture calibrator is worthy of being vigorously popularized.

The invention discloses a spinal canal puncture needle progress recognition method and a puncture system.The method comprises the steps that puncture real-time data are obtained firstly, standardized puncture real-time data are obtained through filtering and normalization processing, a time sequence is generated through time step division, then a pre-trained puncture progress recognition model is called to recognize the time sequence, and a puncture progress recognition result is obtained; and outputting a corresponding puncture state recognition result. Through standardization processing and time sequence conversion of puncture real-time data (such as force signals), automatic identification of a tissue layer where a needle head is located is achieved in combination with a pre-training model, dependence on doctor experience and subjective judgment is avoided, and complications caused by misjudgment are effectively reduced. Meanwhile, the puncture progress can be dynamically tracked through cooperation of real-time data processing and model recognition, and the accuracy and safety of puncture operation are further guaranteed.

This application discloses a pedicle puncture system and a guiding method for pedicle puncture. The pedicle puncture system includes a pedicle puncture robot and a control unit (30) for controlling the pedicle puncture robot. The pedicle puncture robot includes a robot body (10) and an X-ray detection device. The X-ray detection device includes an X-ray projection section (20) and an X-ray receiving section (40). At least one of the X-ray projection section (20) and the X-ray receiving section (40) is disposed on the robot body (10). The control unit is configured to control the puncture operation of the robot body (10) based on the detection result of the X-ray detection device. This application can detect the position of the puncture instrument in real time by projecting X-rays, thereby controlling the puncture process through the robot body according to the detection result, ensuring accurate and smooth puncture.

The application relates to the field of vertebral puncture instruments, and discloses a vertebral body shaping tool system which comprises a puncture needle, a needle core, a guide needle, a push rod and a reamer, the puncture needle comprises a needle rod and a double-ball type handle I, the needle rod is of a hollow structure, and the double-ball type handle I is fixedly installed at the top end of the needle rod. The application has the following advantages and effects: the bone cement hardness can be conveniently and accurately detected, the in-vivo bone cement hardening condition can be accurately judged, unilateral adjacent multiple vertebral bodies can be synchronously punctured and injected with bone cement, the operation time is shortened, the operation complications are reduced, the C-arm perspective and the radiation exposure are reduced, the application has the advantages of higher efficiency and higher safety, the double-ball type handle is arranged, the doctor can hold and operate in accordance with ergonomics, the holding force of the doctor is reduced during operation, the operation mechanical torque is increased, the operation is more labor-saving, the holding is more convenient, the unilateral multiple vertebral bodies can be simultaneously punctured, the puncture accuracy and the one-time success probability are increased, and the operation time is further shortened.

Devices and methods for performing a transseptal puncture procedure using a device which includes either an untapered or tapered blunt end cannula disposed in an introducer carrying a sharp guidewire disposed longitudinally through the lumen of the blunt cannula, and a blunt end dilator wherein the guidewire is flexible and has an atraumatic shape at its tip. The cannula gives the more flexible introducer a defined shape and steerabilty allowing an ordinarily skilled physician to easily access a selected location on the septal wall of the heart for transseptal puncture and introducer placement thereacross without employing an exposed sharp end needle during the procedure.

The application provides an angle-adjustable interventional puncture auxiliary support, and relates to the technical field of puncture auxiliary supports.The support comprises a sliding rail, a sliding block, an adjusting mechanism and a puncture mechanism.The adjusting mechanism is composed of a linear component and a circumferential component.The linear component is connected with an inner sleeve, a reverse sleeve, a horizontal rod, a bidirectional rod, a round head, a vertical rod, a stop sleeve and a lifting plate to realize linear adjustment and linkage locking in the horizontal and vertical directions.The circumferential component is connected with a circular rod, a follow-up sleeve, a circular ring, a screw sleeve, a compression spring, a bottom disc, a top disc and a push spring to realize adjustment and synchronous locking of the angle and position in the circumferential direction.The puncture mechanism is connected with an intermediate sleeve, an extension rod, a double-sided sleeve, a center sleeve, a matching sleeve and a laser lamp to provide puncture needle matching and light path guiding.The support can realize multi-degree-of-freedom accurate setting, combined quick locking and visual calibration of the puncture angle and position, and provides stable, accurate and quantifiable mechanical assistance for interventional puncture operation.