201 results about "Puncture procedure" patented technology

The percutaneous pericardium puncture assembly comprises a puncture tube and a puncture piece, and the puncture tube comprises a tube body and a puncture section arranged at the far end of the tube body. A puncture channel, a negative pressure suction channel and an imaging channel are formed in the tube body and communicated with a working opening in the far end of the puncture section. The imaging module is arranged in the imaging channel in a penetrating mode, and real-time visualization of in-vivo puncture operation is achieved. The near end of the negative pressure suction channel can be in butt joint with a negative pressure suction device to provide negative pressure for the working port so as to adsorb the pericardium wall layer; the puncture piece penetrates through the puncture channel and can puncture the adsorbed pericardium wall layer. According to the embodiment, the vacuum suction channel is formed, the pericardium wall layer can be captured before puncture of the puncture piece, in this way, even if only a small amount of pericardial effusion exists between the pericardium wall layer and the pericardium dirty layer, medical staff can easily complete puncture of the pericardium wall layer under the condition that the pericardium dirty layer is not damaged, and the puncture efficiency of the pericardium wall layer is improved. The operation is simple, and the safety and the success rate of percutaneous pericardium paracentesis under full indications are greatly improved.

The invention relates to an atrial septum puncture system, and belongs to the technical field of medical instruments. The atrial septum puncture system comprises a conveying sheath assembly, a dilator assembly and a puncture guide wire. The dilator assembly comprises a dilator, a puncture needle and a control handle. The conveying sheath assembly, the dilator assembly and the puncture guide wire are combined into the atrial septum puncture system, puncture operation is more convenient and safer, and the puncture guide wire and a puncture needle do not need to be frequently exchanged in the puncture operation process; according to the dilator assembly, the control handle comprises the moving part and the limiting part, the moving part is fixedly connected with the near end of the puncture needle, the moving part is used for driving the puncture needle to move in the axial direction of the moving part, and a user can control the puncture needle conveniently; the limiting step is arranged on the outer wall of the moving part, and the axial distance between the near end of the limiting part and the limiting step is 0.5-10 mm, so that the distance of a puncture needle extending out of the dilator can be limited, and the safety of puncture operation can be guaranteed.

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 provides a percutaneous puncture accurate dynamic matching and navigation method and system based on an AI surgical robot, and the method comprises the steps: obtaining a preoperative medical image, and generating surgical planning data based on the medical image; determining an ablation path and an ablation area according to the surgical planning data; puncture operation is executed through the robot system, and ablation treatment of the target area is completed; the step S3 further comprises the steps of obtaining real-time image data in the operation for multiple times, and dynamically adjusting the ablation path and the ablation parameters in real time based on the real-time image data in the operation each time. The method comprises the following steps: acquiring and analyzing preoperative and intraoperative medical image data of a patient to generate puncture positioning and navigation puncture schemes in different stages; the purpose of capturing tissue deformation in real time in percutaneous puncture is achieved, the purpose of dynamically optimizing the puncture path is further achieved based on the tissue deformation state captured in real time, the motion trail of the robot is adjusted in real time based on real-time generation of the dynamic puncture path, and therefore the precise navigation and dynamic matching degree of the percutaneous puncture operation is improved, and the accuracy of the percutaneous puncture operation is improved. And the purpose of precise puncture is achieved.

The invention relates to the technical field of medical treatment, in particular to an internal arteriovenous fistula rope ladder puncture intelligent planning therapeutic apparatus based on visual navigation, which comprises a visual imaging module, a central processing module, a navigation display module, a puncture auxiliary module and a data management module, the visual imaging module comprises a high-resolution ultrasonic probe module, an image acquisition and transmission module and a three-dimensional imaging function module. The system has the advantages of high puncture accuracy and high working efficiency, puncture points and puncture angles can be accurately selected through visual imaging and intelligent planning, repeated puncture of the same part is avoided, and vascular injury and complications are reduced; a puncture scheme is automatically generated, so that the time and energy of manual planning of medical staff are reduced, and the efficiency of puncture operation is improved; intelligent planning is carried out according to the individual condition of the patient, and the system can formulate a puncture strategy most suitable for the patient by deeply analyzing image data, clinical information and the like of the patient.

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 invention relates to the technical field of medical data processing, and discloses a puncture navigation auxiliary system for tumor intervention, which is characterized in that a three-dimensional navigation puncture path is generated based on preoperative multi-modal medical image data, and dynamic compensation is carried out on organ elastic deformation in an operation; a puncture time window is predicted through the breathing phase monitoring module, and a control signal is sent to an external puncture operation device through the external execution equipment interface; displaying a navigation puncture path and a risk area in combination with an intraoperative real-time image and a holographic projection interface, and adjusting puncture parameters through gesture interaction; the puncture path, resistance and impedance data in the puncture process are recorded, and a postoperative curative effect scheme is generated. According to the method, the accuracy of puncture is improved, the risk of injury to surrounding tissues is reduced, and meanwhile, the real-time feedback capability of an operation is also enhanced.

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.

The invention discloses an auxiliary puncture device for dialysis puncture of internal arteriovenous fistula, and belongs to the technical field of auxiliary puncture instruments, the auxiliary puncture device comprises a supporting plate, four corners of the bottom of the inner wall of the supporting plate are provided with first elastic supporting pieces, and the same arc-shaped arm bracket is fixedly connected among the top ends of the four first elastic supporting pieces. Through downward movement of the arc-shaped arm bracket, the four rubber skin supporting pieces are indirectly driven to be clamped and connected to the skin around a point to be punctured in an abutting mode, the skin is automatically and obliquely diffused, moved and tightened in the transverse direction and the longitudinal direction, and the situation that the skin of the point to be punctured is loosened and collapses, and medical workers need to manually support the skin to conduct puncture operation is avoided; according to the automatic puncture device, the workload of medical staff is relieved, the puncture efficiency and precision are improved, the automation degree is high, the gravity of the arm of a patient is ingeniously utilized to drive the rubber skin supporting piece to be clamped and abut, the skin of the to-be-punctured point is automatically expanded, the medical staff does not need to manually expand the skin of the punctured point in the whole process, and time and labor are saved.

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 provides a dynamic liver puncture training model under respiratory movement. The dynamic liver puncture training model comprises a liver puncture training model and a respiratory movement training model, the liver puncture training model comprises a simulated thoracic cavity structure, a simulated organ, a liver movement device and a bottom plate, the simulated thoracic cavity structure is arranged on the bottom plate, the simulated organ is arranged on the simulated thoracic cavity structure, and the liver movement device is arranged at one end of the simulated thoracic cavity structure, is connected with the simulated organ and is fixed on the bottom plate; the respiratory movement simulation device comprises a respiratory movement mechanism and is connected with the liver puncture training model; the respiratory movement mechanism comprises a motor, and the motor converts rotary movement into reciprocating pneumatic displacement conforming to physiological laws on the basis of a human respiratory movement mathematical model. Through the liver puncture training model and the breathing movement simulation device, the motor is constrained through a human body breathing movement mathematical model, the influence of liver movement on puncture operation in the breathing process is precisely reduced, and a key technical guarantee is provided for simulating a real operation environment.

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.

The invention provides a puncture positioning mechanism and a puncture surgical robot. The puncture positioning mechanism comprises a frame, a space motion unit connected with the frame, a puncture execution unit connected with the space motion unit, a blood vessel imaging unit connected with the puncture execution unit and an image acquisition unit arranged on the frame. Wherein the frame is used for supporting the space motion unit; the space motion unit is used for adjusting the positions of the puncture execution unit in three different directions; the puncture execution unit is used for adjusting the pitching angle and the deflection angle of the puncture execution unit and executing the puncture action. The blood vessel imaging unit is used for projecting blood vessels to the skin surface; the image acquisition unit is used for acquiring blood vessel images. All the units of the puncture positioning mechanism are tightly matched, a complete and efficient puncture positioning system is formed from blood vessel image acquisition, accurate position adjustment, visual guide and puncture action execution, and the accuracy and safety of puncture operation are remarkably improved.

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 relates to an automatic injection pen for a pre-filled syringe, which comprises a pre-filled syringe PFS, the PFS is mounted in an automatic injection device, and the automatic injection device comprises an outer pen shell, an excitation unlocking sleeve, a needle retracting spring base and a syringe; the fixed part of the narrowing spring base penetrates through the excitation unlocking sleeve to be connected with the outer sleeve; the narrowing spring base is fixed in the outer sleeve; a narrowing spring is mounted on the upper part of the narrowing spring base, and a syringe is mounted on the narrowing spring base in a releasable manner; before injection, the PFS is connected with the outer sleeve through the narrowing spring base; and the needle head of the PFS penetrates through the narrowing spring base, so that the puncture part of the needle head crosses the bottom of the outer sleeve. According to the invention, the structure of the needle retracting spring base is improved, so that the needle head of the PFS can move downwards along with the outer sleeve in the needle puncturing process, and the puncturing process is more controllable and reliable.

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 present invention relates to the field of puncture control technology, and provides an automatic puncture control method and system, including providing a first spatial positioning device for monitoring respiratory and cardiac phases; collecting image data of the object to be punctured, and formulating a puncture path to guide subsequent punctures based on the image data; after obtaining a puncture execution instruction, executing a puncture instruction cycle at a fixed time interval until a puncture cancellation instruction is obtained or the current puncture depth is greater than or equal to the planned puncture depth, at which time the execution of the puncture instruction cycle is stopped; wherein the puncture instruction cycle is to read the position information of the first spatial positioning device in real time within a fixed time interval, and compare it with the position information of the first spatial positioning device on the image data; if the respiratory phase and cardiac phase are consistent with the image data, the puncture operation is performed within the current fixed time interval; otherwise, the puncture operation is not allowed to be performed. This solves the problem of difficulty in controlling the puncture timing due to factors such as the patient's respiration and heartbeat.

An electrosurgical puncture device configured for use with an electrosurgical generator in an electrosurgical puncture procedure. The device includes a connector configured to couple the device to the electrosurgical generator, the connector including a radiofrequency (RF) conductor to receive an RF puncture signal provided by the electrosurgical generator. The device includes a tangible storage medium electrically coupled to the connector and includes data for use with the electrosurgical generator in the electrosurgical puncture procedure. The tangible storage medium also includes an asymmetric signature mechanism including a digital signature generated from a hash value of the data signed with a private key, a usage stamp having an associated generator code field and a timestamp field in a write protectable region of the storage medium, and a challenge response mechanism including a challenge engine. The electrosurgical generator includes a public key and provides the challenge.

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 utility model belongs to the technical field of puncture auxiliary equipment, and particularly relates to a body position auxiliary positioning device which comprises a furling structure and a calibration lamp located on the front portion of the furling structure, two connecting ropes are fixedly connected to the interior of the furling structure, and positioning buckles are fixedly connected to the tail ends of the two connecting ropes. When spinal canal puncture body position auxiliary operation is carried out, two devices can be used and fixed to the positions of shoulder blades and caudal vertebrae of the back of a patient respectively, and the furling structures in the two devices are fixed to the position of the spine of the patient through mucilage glue. Then the two positioning buckles are pulled at the same time and adsorbed to the skin of the back of the patient to be fixed, finally, the calibration lamps are turned on, light rays emitted by the calibration lamps in the two devices are converged to form a body position standard to complete body position calibration, and meanwhile the body position calibration is completed. The gradienter water bag arranged in the positioning buckle can calibrate the vertical body position when the patient lies on the side, so that the body position of the patient approaches the standard body position, and follow-up puncture operation is facilitated.