26468results about "Surgical needles" patented technology

A method and system are disclosed for puncturing tissue, comprising a puncture device for puncturing tissue and a supporting member for supporting the puncture device. The puncture device is capable of being insertable within the supporting member and being selectively usable in co-operation therewith during a portion of a procedure for puncturing tissue and wherein the puncture device is usable independently therefrom during another portion of the procedure.

A method performed by a surgical robotic system. The method determines a surgical procedure that is to be performed using a robotic arm. The method determines, for the robotic arm, a planned trajectory based on the surgical procedure, where the planned trajectory is from a current pose of the robotic arm to a predefined procedure pose that is within a threshold distance from a trocar that is coupled to a patient. The method drives the robotic arm along the planned trajectory from the current pose to the predefined procedure pose.

A teleoperative system includes a first manipulator assembly, a second manipulator assembly, a first medical instrument movable by the first manipulator assembly, a second medical instrument movable by the second manipulator assembly, a first alignment component positioned on the first manipulator assembly, a second alignment component positioned on an entry port, and a control system configured to record a position of the first manipulator assembly in response to receiving a user input indicating that the first alignment component is aligned with the second alignment component. The second medical instrument is sized and shaped to fit and move within the first medical instrument.

A robotic medical system for performing a vascular procedure includes a procedure rail having a drive surface oriented along a generally vertical plane, a rail adjustment system configured to couple to a patient support table and having one or more movable arm segments, a fluidics system, and a plurality of catheter hubs operatively coupled to the procedure rail and configured to be axially translated along the drive surface along a longitudinal axis of the procedure rail. At least one of the plurality of catheter hubs is in fluid communication with the fluidics system, the at least one of the plurality of catheter hubs having a hemostasis valve and a catheter in communication with the hemostasis valve.

A hub assembly for a robotically driven interventional device can include an interventional device hub having an interventional device and at least one magnet. The hub assembly can be configured to be positioned on a sterile side of a sterile field barrier and magnetically couple to a hub adapter on a non-sterile side of the sterile field barrier so that hub assembly moves axially in response to axial movement of the hub adapter and the at least one magnet of the hub assembly rotates in response to rotation of at least one magnet of the hub adapter.

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.

An aspiration catheter assembly including an outer catheter having an elongate tubular body and a distal valve at a distal end of the aspiration catheter assembly, and an inner catheter configured to communicate with a vacuum source, the inner catheter being within the outer catheter and including an aspiration lumen for receiving at least a portion of a clot. The distal valve is configured to be opened and closed at the distal end of the aspiration catheter assembly, and the distal end of the aspiration catheter assembly is configured as a separator such that the portion of the clot can be separated at the distal end and drawn into the aspiration catheter assembly.

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 present invention provides systems, methods, and devices for electroporation-based therapies (EBTs). Embodiments provide patient-specific treatment protocols derived by the numerical modeling of 3D reconstructions of target tissue from images taken of the tissue, and optionally accounting for one or more of physical constraints or dynamic tissue properties. The present invention further relates to systems, methods, and devices for delivering bipolar electric pulses for irreversible electroporation exhibiting reduced or no damage to tissue typically associated with an EBT-induced excessive charge delivered to the tissue.

A surgical tool including an inelastic and elastic cable to impart a bend to a shaft. A steering assembly is coupled to the shaft and configured to cause longitudinal displacement of the shaft relative to the body to tension the cables to bend the shaft bendable section in a direction of the flexible inelastic cable. The surgical tool may include an active tip with one of the cables being configured to supply energy to the active tip. The surgical tool may be a shaver that includes a shaver shaft having a flexible section configured to be aligned with a shaft bendable section with the motor of the shaver supported on a cradle of a body. The shaft bendable section may be formed by links with the flexible inelastic cable being arcuately spaced apart from tabs within sockets that engage adjacent links.

Implantable devices for fixation of curved bone such as the pelvic ring pubic symphysis and acetabulum, and methods for the use of the devices are disclosed. The implantable devices are convertible between a flexible state and a rigid state, and include an elongate structure having a proximal bone interface, a main body, and a distal bone interface. In a flexible state, the devices may be inserted along, and conform to a curved pathway, and in the rigid state, the devices may support the mechanical loads required to fixate a fracture.

The invention relates to an image processing method and a puncture guiding system. The method comprises the following steps: acquiring a medical image sequence image and an ultrasonic sequence image of a target object; performing registration based on the ultrasonic sequence image and the medical image sequence image to obtain a registration transformation matrix and a three-dimensional image after registration fusion; displaying a cross section image in the registered and fused three-dimensional image in a first display area, and projecting a puncture point on the puncture plate on a mapping point of the cross section image and an imaging area of a sagittal plane; responding to rotation operation of the ultrasonic probe, and updating imaging areas of the cross section image, the mapping points and the sagittal plane in the first display area in real time according to the rotation operation; when any target mapping point is located in the imaging area of the sagittal plane in the cross section image, the relative position of the target mapping point located in the imaging area of the sagittal plane in the sagittal plane image is displayed in the second display area. Therefore, the same target mapping point can be displayed in the cross section image and the sagittal plane image at the same time.

The invention relates to a puncture path planning system and equipment adopting the puncture path planning system, which directly solve the difficulty of peripheral artery puncture and laterally solve the defects of some deep vein catheterization and vasostomy, and the puncture path planning system comprises at least one memory in which a computer program is stored, the at least one processor is configured to implement the puncture path planning method when executing a computer program, and the method comprises the following specific steps: generating a path leading to a target position from different starting points and angles of a blood vessel by adopting a preset geometric algorithm based on a preset safety margin constraint, blood vessel feature constraint information and surrounding tissue constraint information; the generated puncture needle inserting path is integrated into a blood vessel 3D reconstruction model to be displayed in different colors or line styles. The method has the advantages that the blood vessel model is accurately constructed, the puncture path is safely generated, and catheterization of the peripheral artery indwelling needle is more efficient.

A stabilization implant comprising: an elongated body having a distal end, a proximal end and a longitudinal axis extending between the distal end and the proximal end, the elongated body being characterized by a superior body surface and an inferior body surface; a superior stabilizer extending outwardly from the superior body surface, the superior stabilizer being characterized by a first lateral superior stabilizer surface and a second lateral superior stabilizer surface; and an inferior stabilizer extending outwardly from the inferior body surface, the inferior stabilizer being characterized by a first lateral inferior stabilizer surface and a second lateral inferior stabilizer surface; wherein at least one of the first lateral superior stabilizer surface, the second lateral superior stabilizer surface, the first lateral inferior stabilizer surface, and the second lateral inferior stabilizer surface comprise at least one outwardly-extending tab.

The invention relates to the technical field of medical intelligent image recognition data processing, and discloses an image recognition and data analysis fused ultrasonic venipuncture system which comprises a multi-modal image acquisition module, an intelligent analysis processing module, a real-time navigation execution module and a complication early warning module. By arranging a multi-mode fusion sensing end, when vein puncture real-time navigation is carried out, through ultrasonic image, thermodynamic distribution and optical characteristic three-mode data collaborative registration, the consistency of deep blood vessel recognition is guaranteed, meanwhile, a three-dimensional topological model containing blood vessel elastic parameters is dynamically constructed, blood vessel position deviation can be calibrated in real time in the puncture process, and the accuracy of vein puncture is improved. The accuracy of blood vessel positioning is guaranteed, puncture positioning errors of complex cases are further reduced, whether angle or depth deviation occurs in a puncture path or not is judged in real time by arranging a dynamic navigation end, a compensation path can be planned in real time through a blood vessel elastic characteristic matrix, and it is guaranteed that the angle errors are reduced when a needle body enters a blood vessel.

Disclosed herein is an ultrasound system for accessing a vasculature of a patient. The ultrasound system is configured to depict an enhanced ultrasound image of a subcutaneous portion of the patient including an icon surrounding a target vessel depicted on the display. The icon indicates to a clinician the target vessel is within range of a percentage vessel occupancy or vessel purchase length depending on a size of cannula or angle of insertion. The icon can also indicate blood flow strength, vessel type, or vessel deformation. The enhanced image can further include cannula trajectory guidelines and visual alerts for the clinician if the cannula tip can potentially backwall the vessel. Additional icons can indicate obstructions disposed on the cannula trajectory.

An angled intraosseous access system including a guide block and / or a guide plate is disclosed. The system includes a driver having a body, and including a needle assembly rotatably coupled thereto, the needle assembly defining a needle axis. One of the guide block or the guide plate is configured to engage a skin surface and align the needle assembly axis at a predetermined angle relative to the skin surface to access the medullary cavity at the predetermined angle. Advantageously, the angled needle of the intraosseous access system can mitigate pain during infusion and mitigate backwalling.

An introducer assembly includes an elongate sheath sized for insertion into a blood vessel of a patient and a hub. The hub can be coupled to a proximal portion of the sheath and can include a first hub portion and a second hub portion. The hub can include various features to facilitate breaking apart or separating the introducer assembly from a patient. For example, the first hub portion can have a first notch which can facilitate breaking, splitting, or fracturing the hub. The second hub portion can partially surround the first hub portion and can include two wings and an opening disposed above the first notch. The first hub portion can be formed from a first material and second hub portion can be formed from a second material. In some embodiments, the second material can be stiffer than the first material to facilitate fracturing the hub.

A system, apparatus and method directed to placing a medical instrument in a patient body, where the system includes the medical instrument having a first optical fiber, a console and an interconnect having a second optical fiber to receive incident light from the console and propagate the incident light to the medical instrument. The interconnect includes a predetermined bend along its length, such that logic of the console may determine a positioning and an orientation of the medical instrument relative to the predetermined bend. Additionally, the logic may generate a display of the medical instrument based on the reflected light signals and the determination of the positioning and the orientation of the medical instrument relative to the predetermined bend, where the display may be rendered as an overlay on an ultrasound image.

A method of operating a catheter assembly including monitoring a gap feedback signal indicative of a distance between a first tissue contact surface and a second tissue contact surface. Producing, via a user interface of the catheter assembly, a graphical depiction of the first tissue contact surface and the second tissue contact surface spaced apart from the first tissue contact surface by the distance. Producing, via the user interface of the catheter assembly, a gap distance warning when the gap feedback signal indicates that the distance is outside of a target gap range.

To provide a device assembly and a method for treating heart failure by normalizing an elevated blood pressure in the left atrium of the heart of a mammal.SOLUTION: Disclosed herein is a transcatheter interatrial septum excision device assembly configured to create a sized interatrial aperture between right and left atria of a heart for relief of an elevated left atrial pressure. The device assembly comprises a delivery catheter, a tissue stabilizer attached to a first catheter having a central lumen and a penetrating tip that permits passage of a guidewire, and a cutter attached to a second catheter having a central lumen that permits passage of the first catheter. Alternative configurations comprise a (third) catheter having a central lumen that permits passage of the components to and from the right atrium, a tissue retention mechanism, and an optional coaxial alignment mechanism.SELECTED DRAWING: Figure 1

Described herein are methods and apparatuses for reducing or eliminating skin glands (e.g., sebaceous, eccrine and apocrine) with an electric treatment. These apparatuses and methods may produce electroporation of cells by applying treatment dose having an energy density sufficient to eliminate or reduce the size of a target gland. Also described herein are methods for treating and / or preventing a disorder of a skin gland. For example, described herein are methods of treating sebaceous hyperplasia.

A system with coupled control modes includes a first manipulator, a second manipulator, an input device for commanding movement of the first manipulator or the second manipulator, and one or more controllers. The one or more controllers are configured to detect movement of the input device; when movement of the first manipulator is responsive to movement of the input device: determine a commanded movement for the first manipulator from the detected movement of the input device and command the second manipulator to move in response, at least in part, to the commanded movement of the first manipulator; and when movement of the second manipulator is responsive to the movement of the input device: determine a commanded movement for the second manipulator from the detected movement of the input device and command the first manipulator to move in response, at least in part, to the commanded movement of the second manipulator.

The present invention provides methods, devices, and systems for in vivo treatment of cell proliferative disorders. Included is a method of treating tissue with electrical energy, the method comprising: delivering electrical energy to tissue using one or more electroporation devices comprising one or more electrodes; and cooling the tissue, surrounding tissue, one or more of the electrodes, or one or more of the electroporation devices to minimize heating. In embodiments, the invention can be used to treat solid tumors, such as brain tumors, and in some embodiments, exemplary methods rely on non-thermal irreversible electroporation (IRE) to cause cell death in treated tumors.

The invention discloses an automatic vein and artery puncture control method, which is used for realizing high-precision puncture through precise control, and comprises the following steps of: after determining to start automatic vein and artery puncture control, collecting a blood vessel ultrasonic image; aiming at the target blood vessel ultrasonic image data, establishing a static artery blood vessel detection model based on a lightweight deep network and a target detection algorithm; the blood vessel detection model is used for detecting and positioning blood vessels; collecting a blood vessel image to be detected and positioned in real time, and obtaining the position and category of the blood vessel based on the trained blood vessel detection model; determining a target blood vessel position based on blood vessel positioning and classification, wherein the target blood vessel position is a puncture target position; planning a puncture path based on the target blood vessel position, including vein puncture path planning and artery puncture path planning; and converting the path and the control parameters based on puncture path planning. The invention further discloses a device and a system, which have low requirements on working environment, can adapt to dynamic environment, are convenient to popularize, reduce puncture difficulty and labor intensity and are portable.

Provided in the embodiments of the present description are a puncture assistance system and device, and a correction system and a surgical robot. The puncture assistance system comprises a processor, which is configured to: obtain a scanning image of a target object, wherein the scanning image comprises at least one of a preoperative image, a first image in a first time period and a second image in a second time period, and the first time period is earlier than the second time period; generate puncture guidance information on the basis of puncture state information and the scanning image; guide a puncture operation on the basis of the puncture guidance information; and display the puncture guidance information.

According to particular embodiments, the present staple includes a low-profile bridge and has the capacity for high sustained compression. In some embodiments, the staple includes a bridge with a continuous cross-section, and one or more pairs of legs with teeth cut therein, the inner legs and outer legs each including an angle of about 16 degrees.

The invention discloses a separated modular anchor implantation system with a line, and relates to the technical field of medical apparatuses and instruments. The separated modular suture anchor implanting system comprises an inserter and a storage box, the inserter comprises an insertion rod, and an insertion part is arranged at the head of the insertion rod. An anchor and a suture line are stored in the storage box, an inlet and an outlet are formed in the two ends of the storage box respectively, and the insertion rod can be inserted into the storage box through the inlet, so that the insertion part is connected with the anchor in an inserted mode, the anchor is pushed out of the outlet, and the assembly of the inserter and the anchor is completed; after the anchor nail is implanted by the inserter, the insertion part and the anchor nail can be disconnected and the suture line can be directly withdrawn by moving the inserter in the direction opposite to the implanting direction without being removed by a doctor, so that independent storage of the anchor nail and the suture line is realized, and meanwhile, free assembly of the anchor nail and the inserter is realized; due to the modular structural design, the anchor can be selected and matched according to actual operation requirements, the inserter can be repeatedly used, waste of medical resources is reduced, and environmental protection is facilitated.

The invention discloses a lung puncture navigation system for pneumology department, which relates to the technical field of lung puncture navigation and comprises a data collection module, a data processing module, a calculation module and a navigation module. The method has the advantages that the focus position can be accurately positioned in real time by collecting the lung image data and the respiratory movement data of the patient and utilizing calculation of respiratory compensation, the need of adjusting the position of a puncture needle for multiple times is avoided, the optimal puncture path can be calculated, and the puncture accuracy is improved. Therefore, intelligent biopsy puncture path planning can be carried out according to specific conditions of the patient, biopsy risks are reduced, focus position changes caused by respiratory movement can be accurately compensated through real-time respiratory compensation application, and it is ensured that navigation precision and biopsy effects are not affected by the respiratory movement.

A medical robotic system and method of operating such comprises taking intraoperative external image data of a patient anatomy, and using that image data to generate a modeling adjustment for a control system of the medical robotic system (e.g., updating anatomic model and / or refining instrument registration), and / or adjust a procedure control aspect (e.g., regulating substance or therapy delivery, improving targeting, and / or tracking performance).