97 results about "Needle guidance" 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 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 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.

Needle-guiding systems and methods can facilitate establishing vascular access with a nonmagnetic needle. For example, a method of a needle-guiding system can include detecting and registering registration marks about a patient by patient-facing cameras of an alternative reality (“AR”) device, the AR device thereby establishing its location and orientation relative to a target area of the patient. The method can also include anchoring ultrasound images of the target area as viewed through a display screen of the AR device, the ultrasound images anchored about the patient relative to either an instant or previous location and orientation of the ultrasound probe; and providing an instant virtual needle trajectory of the needle as viewed through the display screen of the AR device, thereby indicating to a clinician whether the needle is properly oriented for establishing vascular access to a target vessel of the ultrasound images.

Blood vessel recognition and needle guidance systems, components, and methods thereof. A console can be configured to initiate a target recognition process for recognizing an anatomical target, such as a blood vessel, of a patient and a needle guidance process for guiding insertion of a needle into the anatomical target using ultrasound-imaging data received by the console. The system can perform target identification based on machine learning models which can be trained to recognize targets based on the ultrasound image. The ultrasound probe can be configured to provide to the console electrical signals corresponding to the ultrasound-imaging data. The ultrasound probe can include an array of transducers and, optionally, an array of magnetic sensors respectively configured to convert reflected ultrasound signals from the patient and magnetic signals from the needle, when magnetized, into the electrical signals.

Needle-guiding systems and methods can facilitate establishing vascular access with a nonmagnetic needle. For example, a method of a needle-guiding system can include detecting and registering registration marks about a patient by patient-facing cameras of an alternative reality ("AR") device, the AR device thereby establishing its location and orientation relative to a target area of the patient. The method can also include anchoring ultrasound images of the target area as viewed through a display screen of the AR device, the ultrasound images anchored about the patient relative to either an instant or previous location and orientation of the ultrasound probe; and providing an instant virtual needle trajectory of the needle as viewed through the display screen of the AR device, thereby indicating to a clinician whether the needle is properly oriented for establishing vascular access to a target vessel of the ultrasound images.

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.

A core biopsy system includes a core biopsy needle device having a curvable core biopsy needle which is positionable within and movable with respect to a coaxial needle guide. Systems and methods for obtaining biopsy samples from multiple locations with a single insertion of a needle of the biopsy needle device include controlling rotation and displacement of the core biopsy needle. Additional features and methods of the invention include tracking and planning of the obtaining of biopsy samples.

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.

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.

An endoscope add-on assembly adapted to be attached to a target endoscope. The endoscope add-on assembly includes an ultrasound imaging head, an ultrasound imaging sub-assembly, and a needle guide ramp. The ultrasound imaging head defines an imaging slice plane. The ultrasound imaging sub-assembly is configured to selectively engage the ultrasound imaging head. The ultrasound imaging sub-assembly includes a retaining element configured to secure the ultrasound imaging sub-assembly to the target endoscope. The needle guide ramp is configured to direct a motion of a needle of the target endoscope. The needle guide ramp is configured to align the needle of the target endoscope within the imaging slice plane when the endoscope add-on assembly is attached to the target endoscope.

An inserter can include a housing and a slider component. The slider component can be coupled to the housing and positioned along an outer surface of the housing. The slider component can be slidable along an elongated slot of the housing and include a guide tab disposed within a guide channel of the housing body. The slider can include a friction tab having a biasing member configured to press against the housing to urge the guide tab against a wall of the guide channel. Further, a deflector component can be provided that includes a needle guide configured to receive a needle of the inserter therein. The deflector component can be removably coupled to the inserter to allow the needle guide to bend the needle and hold the needle in a bent configuration.

One or more devices, systems, methods and storage mediums for performing medical procedure (e.g., needle guidance, ablation, biopsy, etc.) planning and / or performance, and / or for performing registration using at least one mask, are provided. Examples of applications for such devices, systems, methods and storage mediums include imaging, evaluating and diagnosing biological objects, such as, but not limited to, lesions and tumors, and such devices, systems, methods and storage mediums may be used for radiotherapy applications (e.g., to determine whether to place seed(s) for radiotherapy). The devices, systems, methods and storage mediums provide improved registration results by utilizing at least one mask to suppress one or more artifacts or objects (which may or may not include, but is not limited to, at least one medical instrument or tool) in an image including a portion of the medical guidance device and / or to enhance a region or target of interest in the image.

A needle guidance device having a longitudinal axis includes a guide base configured to releasably attach to an ultrasound probe. The guide base includes a platform. A guide tower is coupled to the guide base. The guide tower extends distally from a distal end of the guide base along the longitudinal axis and extends perpendicularly with respect to the longitudinal axis from the platform. The guide tower includes a plurality of attachment positions. An introducer holder is removably and pivotably coupled to the guide tower at a first attachment position of the plurality of attachment positions.

A needle guidance system is provided. The needle guidance system includes a first assembly including at least one probe holder configured to receive a probe and a first rotation member coupled to the probe holder and configured to rotate the probe holder such that the probe rotates about a longitudinal axis of the probe, and a second assembly including at least one needle guide configured to receive a needle, a guide holder attached to the needle guide and configured to secure the needle guide and a second rotation member coaxial with the first rotation member. The second rotation member is coupled to the guide holder and configured to rotate the guide holder such that the needle rotates about the longitudinal axis of the probe. A method of constructing an ultrasound image is further described.

The present invention relates to an internal radiotherapy implant needle guide, comprising a rod-shaped body, a central bore arranged along the central axis of the rod-shaped body, axial needle passageways evenly distributed along the circumference of the rod-shaped body and arranged parallel to the central boreway, a plurality of oblique needle entry openings arranged on the side of the rod-shaped body's tail end, and a plurality of oblique needle exit openings arranged on the side of the rod-shaped body's head end; the oblique needle entry openings and oblique needle exit openings correspond to each other and are connected by the oblique needle passageways. The present invention facilitates implant needle positioning and has a simple structure.

This invention relates to the field of medical technology and discloses a needle insertion guidance method, device, equipment, and storage medium. The needle insertion guidance method includes: importing medical image data; performing three-dimensional reconstruction based on the medical image data to obtain a three-dimensional model corresponding to the medical image data; planning the needle insertion path information of the electrode needle based on a virtual target location; generating a virtual reference plane where the limiting end of the electrode needle is located based on the needle insertion path information; obtaining the pose adjustment information of the robotic arm based on the needle insertion path information and the virtual reference plane; driving the robotic arm to adjust to the needle insertion pose based on the pose adjustment information, wherein the pinhole array plate at the end of the robotic arm corresponds to the virtual reference plane during the needle insertion pose; after the electrode needle is installed on the pinhole array plate and the limiting end abuts against the pinhole array plate, an ablation signal is transmitted to the electrode needle, causing the electrode needle to ablate the real target location. This invention reconstructs the needle insertion plane, enabling the robotic arm to accurately move to the needle insertion pose, improving the accuracy of needle insertion and the success rate of ablation surgery.

A trocar comprising a cannula and an obturator; wherein the cannula includes a head and a shaft, wherein the shaft extends from the head, and the head has a greater diameter than the shaft; the cannula defines a working channel which is open at both ends; the working channel defines a working channel axis; a pair of opposed needle guide elements are carried by an exterior portion of the cannula, wherein each needle guide element defines therethrough a needle guide channel, and wherein each needle guide channel defines a guide channel axis that is inclined with respect to the working channel axis; each needle guide channel axis is aligned with a needle inlet port defined by a first portion of the cannula shaft, and a needle outlet port which is defined by a second portion of the cannula shaft; and the second portion of the cannula shaft is located distally of the first portion of the cannula shaft.

The utility model belongs to the field of medical instruments, and particularly relates to an ultrasonic puncture needle positioning transmitting device. The device comprises a fixing ring with a broken right side wall, a fastening mechanism is mounted on the right side wall of the fixing ring, a mounting block is arranged on the left side of the fixing ring, a fixing groove without an upper groove wall is formed in the left side wall of the mounting block, a needle guide block is detachably mounted in the fixing groove, and a vertically-through through hole is formed in the lower groove wall of the fixing groove. The left side wall of the needle guide block is an arc-shaped surface, a guide hole communicated with the through hole and used for limiting the angle of the puncture needle is formed in the arc-shaped surface, mounting plates are fixed to the left side wall and the front side wall of the fixing ring, and a sliding rod used for changing the position of the mounting block is fixed between the two mounting plates; and retention assemblies for fixing the positions of the mounting blocks after sliding are fixed on the two mounting plates. According to the utility model, a medical worker can quickly adapt to an in-plane or out-of-plane puncture method after successful scanning, and scanning does not need to be carried out again after a fixing ring is sleeved.

A device and system for and methods of using an ultrasound probe housing containing ultrasound probes configured to produce images inside the body of a patient for procedures requiring needle or probe insertion. The ultrasound probe housing can be configured with a guide channel cut-out or aperture between the ambient side and body side of a patient. A needle guide assembly may be pivotally connected internal to the guide channel cut-out or aperture of the ultrasound probe housing at a pivot point such that during use the needle enters the patient through the needle guide assembly within the ultrasound probe housing so that the needle can be visualized by the ultrasonic probes in real time. The ultrasound probe housing may also provide an adhesion or suction quality to the body side of the device to facilitate aspects of the invention.

A needle guidance system includes a patient imaging system, such as an ultrasound guidance system (UGS) combined with a needle tip location system (TLS). The UGS defines a needle pathway to access an epidural / spinal space and overlays the pathway onto a live or frozen ultrasound image. The TLS magnetically determines a magnetic distal tip location of the needle including a depth with respect to a magnetic field sensor placed on the patient. A distal tip image overlayed atop the ultrasound image at a determined distal tip location. The UGS identifies the epidural / spinal space including a depth thereof within the ultrasound image. The UGS determines that the distal tip is located within the epidural / spinal space when the depth of the distal tip equals the depth of the epidural / spinal space. A probe securing apparatus secures an ultrasound probe of the UGS to the patient.

A biopsy guide for guiding biopsy needles towards a body organ includes a clasp for attaching to an ultrasound probe. The biopsy guide includes in addition a guide tower extending upwards away from the clasp that in turn includes a plurality of parallel guide channels placed one above the other and defining each a needle passage that extends through the guide tower between rear and forward open ends. Each guide channel at least along a rear section thereof opens laterally sideways along a slit that has a width sized to be generally similar to or larger than a width of the needle passage.

An exemplary system and method for a flexible XY-stage that spans a substantial portion of a subject torso to assist in guiding a needle template or needle insertion apparatus for needle-based intervention procedures in an MRI scanner. The flexible XY-stage is optimally configured to span the entire torso of the subject in providing both (i) a large bendable frame that can be positioned over the subject and (ii) a low height profile, to optimally fit within the bore of an MRI scanner. The needle template or needle insertion apparatus is movable within a large movable space defined by the flexible XY-stage and guided by cables connected at corners of the flexible XY-stage. The needle template or needle insertion apparatus has a plurality of mounting positions that allows a needle-based instrument to be mounted to the needle template or needle insertion apparatus and over a large degree of angle.

The present disclosure relates to an ultrasonic probe that acquires an ultrasonic image to diagnose or treat an object using a needle.The ultrasonic probe includes a case, a needle inserted into an object in the vicinity of the case, and a needle guide detachably mounted on the case to guide the needle, wherein the needle guide includes a base including a guide part configured such that the needle is inserted therein, and a support member configured to be movable along the guide part to support movement of the needle.

Disclosed herein are hands-free ultrasound probes, assemblies, systems, and methods. An ultrasound-probe assembly, for example, can include an ultrasound probe and a single-use pad coupled to a patient-facing side of the ultrasound probe. The ultrasound probe can include a probe body, a stabilizer extending from the probe body, a probe head including ultrasonic transducers in an array in a patient-facing portion of the probe body, and a needle-guide holder extending from the probe body. The stabilizer is configured for hands-free stabilization of the ultrasound probe when the ultrasound probe is placed on a patient with the pad interfacing a skin surface of the patient. An ultrasound system can include a console and the foregoing ultrasound-probe assembly. A method can include using the foregoing ultrasound system for hands-free ultrasound imaging while inserting a needle into an anatomical target to establish an insertion site for placement of a vascular access device.

The invention discloses a needle guiding device. The needle guide device may include: a base; the supporting frame is arranged on the base; the plurality of pairs of positioning assemblies are arranged on the support frame in a manner of being laminated at intervals; wherein the positioning assembly comprises a movable plate and a guide plate which can move relatively; the movable plate is provided with a plurality of through holes, the guide plate is provided with a hollow guide area, and relative movement between the movable plate and the guide plate enables at least one through hole to be located in the guide area, so that a needle is positioned and guided through the at least one through hole.

This invention provides a parallel six-DOF puncture robot, relating to the field of medical device technology. It includes: a Z-axis movement module, a parallel module, a puncture needle feeding module, a puncture needle rotation module, and a puncture needle fixing module. The parallel module is located at the front end of the Z-axis movement module; the puncture needle feeding module is located at the front end of the parallel module; the puncture needle fixing module is located at the front end of the puncture needle feeding module; and the puncture needle rotation module is mounted on the puncture needle fixing module and connected to the puncture needle feeding module. This invention, based on a parallel mechanism, achieves puncture needle guidance and positioning, angle adjustment, and puncture needle feeding operations, offering advantages such as high flexibility, high precision, and compact structure. By replacing other end-effectors, this robot can also perform other operational tasks.

This invention provides a needle guide replacement unit and a liquid dispensing device including the same. The replacement unit includes a base and a limiting member; wherein, the base has a first base chamber and a second base chamber arranged sequentially from the inside to the outside; the limiting member is disposed in the second base chamber and has a hollow portion to allow the needle guide to pass through and be fixed in the first base chamber; the limiting member is also adapted to rotate to misalign the hollow portion with the needle guide to restrict the needle guide from passing through the hollow portion and leaving the first base chamber, and to rotate in the opposite direction to align the hollow portion with the needle guide so that the needle guide can pass through the hollow portion and leave the first base chamber. Using this invention, not only can the installation and removal of the needle guide be flexibly controlled, thus facilitating needle replacement, but the structure is also simple and easy to operate.

A needle guiding device for imaging-guided procedures features sensors to monitor the needle's attitude and a calibration tool fixed to the imaging machine for alignment. The device offers customizable feedback, including visual, audible, and haptic alerts, to maintain the planned insertion trajectory. The calibration tool, which may include reference surfaces that are perpendicular, non-perpendicular, or feature a groove, ensures accurate alignment. The device can log procedural data and is compatible with both single-use and reusable configurations. It is designed for use with one needle at a time, with options to use multiple devices for multiple needles or sequentially against different needles.

The application relates to a side PIN needle guiding and inserting mechanism, which comprises a rack, a jig, a needle inserting mechanism and a guiding mechanism; the needle inserting mechanism comprises a thimble and a needle driving mechanism, and is used for driving the thimble to realize a PIN needle inserting action through the needle driving mechanism; the guiding mechanism comprises a guiding mounting table, a guiding mounting rack, a guiding needle rack, a guiding needle and a guiding needle driving mechanism; the thimble, a jack of the workpiece and the guiding needle are in positive correspondence in the X-axis direction; the guiding mechanism acts prior to the needle inserting mechanism, the guiding mounting rack is driven by the guiding needle driving mechanism to move along the X-axis towards the workpiece, and a guiding needle inserting operation is performed; if the insertion is successful, a PIN needle inserting action is performed; if the insertion is not successful, the workpiece is judged as an NG product, the next workpiece is placed on the jig, and then the guiding needle inserting operation is performed. The application can adapt to the limited space of the side of the workpiece, has high precision and high efficiency, improves the precision and stability of product assembly, and meets diversified production requirements.