200results about "Diagnostic probe attachment" patented technology

An ultrasound imaging system for guiding a user to acquire ultrasound image data sets that can be analyzed for the presence of atherosclerosis. In one embodiment, the processor is programmed to analyze ultrasound image data for a vessel of interest and to control a user interface that suggests how an operator should move a transducer to acquire ultrasound image data with the vessel of interest in a desired location. The processor stores multiple ultrasound image data sets taken along a length of the vessel of interest to be analyzed for the presence of an atheroma.

The invention provides a postoperative monitoring device based on an implant and a system thereof, which adopt an injectable, wireless and completely degradable ultrasonic sensor to realize real-time, continuous and non-invasive monitoring of a physiological environment (pressure, temperature and pH) around a metal internal fixture (such as a bone lamella and an intramedullary nail). The size of the sensor is 2 * 2 * 2mm < 3 >, and the sensor adopts a dual-network hydrogel matrix and a periodically arranged air column structure, is implanted into a body in a minimally invasive manner, and is naturally degraded within 4-5 weeks after an operation. The system further comprises a data processing unit and a user interface which are used for displaying monitoring data and early warning information. According to the method, the limitation of a traditional monitoring method is overcome, the monitoring accuracy and reliability are improved, the medical cost and the pain of a patient are reduced, and the method has wide clinical application prospects and social and economic values.

An exemplary system includes a memory storing instructions and a processor communicatively coupled to the memory. The processor may be configured to execute the instructions to: detect an intent of a user of a computer-assisted surgical system to use a robotic instrument attached to the computer-assisted surgical system to interact with a target object while the target object is located in a surgical space; determine a pose of the target object in the surgical space; and perform, based on the detected intent of the user to interact with the target object and the determined pose of the target object in the surgical space, an operation with respect to the target object.

The invention discloses a laboratory mouse temporomandibular joint cavity injection method and device based on ultrasonic guidance, and relates to the technical field of laboratory mouse experiments.The device comprises a supporting column, a first cantilever arranged on the supporting column, an external auditory canal positioning piece arranged on the first cantilever, and a second cantilever arranged on the first cantilever in a sliding mode, the second cantilever can rotate around the end, close to the first cantilever, of the second cantilever, and the second cantilever is used for being parallel to the orbital ear plane of the laboratory mouse; the carrying mechanism is arranged on the second cantilever in a sliding mode, and the carrying mechanism is used for driving the ultrasonic probe and the injector to move to the position of the articular cavity. Injection of the joint cavity of the laboratory mouse is guided based on the image collected by the ultrasonic probe, the needle inserting position, angle and depth of the injector can be observed and adjusted in real time, and compared with blind puncture in the prior art, the success rate of injection can be greatly increased, the number of times of puncture attempts can be reduced, and meanwhile the uniformity of laboratory mouse samples is effectively improved.

Provided are methods and devices for facilitating the advancement of a catheter device, such as an intracardiac ultrasound examination catheter, through a body wall, such as the septum of the heart. The catheter device is advanced through a subject's vasculature to a first body cavity. The catheter device is coupled to a guidewire previously placed within the vasculature between the first and second cavities. The catheter device is then advanced from the first body cavity to the second body cavity through a body wall separating the first and second cavities. To facilitate this advancement, the catheter device can be magnetically coupled to the guidewire. The magnetic assembly can be provided on a distal portion of a sleeve through which the distal portion of the catheter is advanced. A malleable dilator element can also be provided on the distal portion of the sleeve.

Systems, methods and devices are provided for performing diagnostic or therapeutic transcranial procedures using a patient-specific transcranial headset. The patient-specific headset may include a patient-specific frame that is fabricated, according to volumetric image data, to conform to an anatomical curvature of a portion of a patient's head. The patient-specific frame is configured to support a plurality of transducers in pre-selected positions and orientations, which may be spatially registered to the volumetric image data. This spatial registration may be employed to control at least a portion of the transducers to focus energy at a preselected tissue region.

An apparatus for monitoring Intracranial Pressure (ICP) includes a non-invasive, flexible, wearable device (30), (60) with micro ultrasonic transducer arrays (32) fixed thereon. The wearable device (30), (60) is attached to the closed eyelid (21) of a conscious or unconscious patient with an adhesive (48). Using ultrasound sonography, the ultrasonic transducer arrays (32) on the wearable device (30), (60) image the optic nerve (26) behind the eyeball (20) to measure the Optical Nerve Sheath Diameter (ONSD). The ONSD provides an indication of the ICP in real time.

The invention relates to the field of high-end ultrasonic transducer manufacturing, and particularly discloses a patch type ultrasonic transducer for deep tissue imaging and an acoustic material preparation method, and a backing preparation method comprises the following steps: weighing an adhesive, a metal filler and a non-metal additive according to a mass ratio of 15: 55-75: 2; fully and uniformly mixing the weighed raw materials, and putting the mixed sample into a molding mold capable of demolding; the pressure is maintained for 10-30 min under the conditions that the pressure is larger than 10 MPa and the plasticizing temperature of the adhesive is reached, then the heating function is turned off, when the temperature is reduced to 120 DEG C, the pressure is rapidly reduced to 0 MPa at the moment, the adhesive is taken out when the adhesive is naturally cooled to the room temperature, and the backing is obtained. The problems of high sound attenuation, low sound impedance and low sound velocity preparation of the backing are solved, the dilemma problem of low sound impedance and ultrahigh sound attenuation is effectively solved, and the problem that the ultrathin design of the wearable patch type ultrasonic transducer conflicts with the maintenance of excellent acoustic performance due to insufficient sound attenuation of the existing backing is effectively solved.

The invention discloses a double-source double-probe ultrasonic probe adaptive to oral soft tissue, and relates to the technical field of oral medical equipment. Comprising a bridge type supporting assembly, the bridge type supporting assembly is connected with an attaching ultrasonic probe assembly through multiple joint suspension arms, the number of the multiple joint suspension arms is two, and the two joint suspension arms are symmetrically arranged on the bridge type supporting assembly; the attached ultrasonic probe assembly comprises an attached installation shell, an integrated ultrasonic probe is arranged in the attached installation shell, a coupling pad fixing groove is formed in the attached installation shell, and a coupling pad is arranged on the coupling pad fixing groove. The oral cavity ultrasonic imaging device is suitable for the oral cavity microenvironment, can achieve double-side or single-side selective accurate and stable ultrasonic imaging on target teeth, can highly adapt to complex forms of different teeth and gingiva, and provides more detailed information support for oral cavity diagnosis and treatment operation.

Medical tool positioning and control devices, systems, and methods. Handle assemblies that allow a steerable shaft to be steered, while allowing the separate movement of a medical tool. The handle assemblies can allow for rotation and axial movement of the medical tool, and optionally with an actuator disposed distal to a second actuator that controls steering of the steerable shaft.

A method for providing remote guidance from a skilled resource to a local user during a medical procedure includes transmitting information about the procedure from the local user to the skilled resource and allowing the skilled resource to provide real-time feedback to the local user and / or take remote control of the local user's medical device.

Aspects of the technology described herein relate to apparatuses and methods for performing elevational beamforming of ultrasound data. Elevational beamforming may be implemented by different types of control circuitry. Certain control circuitry may be configured to control memory such that ultrasound data from different elevational channels is summed with stored ultrasound data in the memory that was collected at different times. Certain control circuitry may be configured to control a decimator to decimate ultrasound data from different elevational channels with different phases. Certain control circuitry may be configured to control direct digital synthesis circuitry to add a different phase offset to complex signals generated by the DDS circuitry for multiplying with ultrasound data from different elevational channels.

The invention provides a method for reducing the hand feeling difference of B-ultrasonic image operators, a vibration accessory is additionally arranged at the position, close to the skin of a patient, of a B-ultrasonic probe, the vibration accessory is composed of a plastic annular sleeve and a linear vibration motor, the linear vibration motor is embedded in the plastic annular sleeve, the plastic annular sleeve surrounds the tail end of the B-ultrasonic head, and the linear vibration motor is embedded in the plastic annular sleeve. A switch convenient for fingers to press is arranged on the B-ultrasonic probe, the linear vibration motor is electrically connected with the driving power supply through the switch, the switch controls starting and stopping of the linear vibration motor, irritable contraction of subcutaneous muscles of a patient is generated by the linear motor instead of original pressing of an artificial wrist, the constraint of hand feeling of an operation doctor is eliminated, and the operation efficiency is improved. The plastic annular sleeve is convenient to install, the switch can be attached to the surface of the B-ultrasonic probe through the double-faced adhesive tape, convenience and rapidness are achieved, original B-ultrasonic equipment is easily and simply modified, expansibility is good, cost is low, and good popularization value is achieved.

This invention relates to an invasive / interventional device or probe, comprising a control handle and an insertion tube operably connected to an imaging system. The control handle includes: a body; a motion control mechanism at least partially disposed within the body and having one or more control elements disposed on the body; one or more gears rotatably disposed within the body and operably connected to the control elements; and one or more cables engaging the gears, the cables extending outward from the body and adapted to engage with the tip of an interventional medical device. The control handle also includes a motion locking mechanism at least partially disposed within the body, the motion locking mechanism having one or more brake levers biased to engage with the gears, and a release switch engaging the brake levers to selectively position the brake levers to engage or disengage with the gears.

This invention proposes an ultrasonic probe calibration method, the steps of which are: constructing a calibration system; acquiring parameters of the calibration object and a first infrared tracking ball and fitting the calibration object parameters; acquiring multiple ultrasonic images and performing ellipse fitting on them; calculating the coordinates of the cone vertex in the three-dimensional image coordinate system; constructing the transformation matrix of the two infrared tracking balls; and obtaining the ultrasonic probe calibration result. The target point coordinates in the three-dimensional image coordinate system of this invention are calculated through geometric relationships, eliminating the need for a specific calibration device to establish the correspondence between the image and spatial position, and not relying on control scanning surface imaging. Compared with existing technologies, this method reduces operational difficulty and effectively improves calibration efficiency while ensuring calibration accuracy.

This invention provides a method for determining a global confidence index for 2D ultrasound images extracted from a 3D ultrasound volume, wherein the global confidence index indicates the suitability of the 2D ultrasound images for medical measurements. The method includes obtaining a 3D ultrasound volume of an object and extracting a set of at least one 2D ultrasound image from the 3D ultrasound volume. Then, a set of geometric indicators is obtained using a first neural network, wherein each geometric indicator indicates a geometric feature of an anatomical structure of the object. The set of 2D ultrasound images is then processed using a second neural network, wherein the output of the second neural network is a set of anatomical indicators, and wherein the anatomical indicators at least indicate the presence of anatomical landmarks. A global confidence index is determined for each 2D ultrasound image in the set of 2D ultrasound images based on the geometric indicators and the anatomical indicators.

Disclosed is a system for assisting in guiding and performing a procedure on a subject. The subject may be any appropriate subject such as inanimate object and / or an animate object. An imaging system may be used to image the subject. A system may include various manipulable or movable members, such as robotic systems, and may be used to move and position the imaging system.

The present invention relates to the field of medical imaging technology, and discloses a method, apparatus, device, and storage medium for prone breast ultrasound imaging, which are applied to prone breast ultrasound equipment. The method comprises: acquiring multiple pre-scan images of target breast tissue, the multiple pre-scan images including images acquired from multiple different angles of the target breast tissue; respectively identifying skin boundaries in the multiple pre-scan images; based on the skin boundaries identified in each pre-scan image, respectively acquiring target ultrasound emission angles perpendicular to the skin boundaries; and during formal scanning and imaging, emitting ultrasound perpendicular to the target breast tissue based on the target ultrasound emission angles to acquire an ultrasound image. The present invention can ensure that the ultrasound emission direction is as perpendicular to the target breast tissue as possible during prone breast ultrasound imaging, thereby improving ultrasound image quality.

The present application describes a musculoskeletal diagnosis system that receives, in real-time or substantially real-time, various objects from a musculoskeletal ultrasound probe. Once the objects are received, the musculoskeletal diagnosis system analyzes the various objects to detect various pathologies and direct additional movement of the ultrasound probe as subsequent objects are taken.

A vessel monitoring system includes a collar configured to be positioned about a vessel of a patient; and a transducer coupled to the collar. The collar may be formed from a strap that is wrapped around the blood vessel of the patient and maintained in a closed configuration. The transducer is configured to emit an ultrasonic signal transmitted through a blood vessel of a patient.

The present disclosure provides a method for providing a user interface for a cardiac ultrasound image guideline implemented by a processor, the method including receiving a cardiac ultrasound image of a subject, determining probe guidance according to movement of an ultrasound probe from the cardiac ultrasound image, and providing a user interface regarding the probe guidance according to the movement of the ultrasound probe, and a device using the same.

This disclosure relates to a sonography device comprising a flexible array of multiple ultrasound transducers, each of the multiple ultrasound transducers being configured to generate an ultrasound signal and to sense a reflection of the ultrasound signal to generate reflection data comprising overlapping reflection data that covers a spatially overlapping field of view with other ultrasound transducers; a spatial measurement system configured to determine a relative spatial position related to the multiple ultrasound transducers; and a controller configured to spatially combine the reflection data based on the relative spatial position and based on the overlapping reflection data.

The invention discloses a double-working-mode ultrasonic imaging method and system, and relates to the field of medical instruments.The method comprises the steps that under the condition that a handheld terminal and a trolley are in wired connection, a performance signal is generated; the handheld terminal performs front-end preprocessing on the radio-frequency signal to generate a first complex baseband signal, and transmits the first complex baseband signal to the trolley in a wired manner; the trolley performs beam forming based on adaptive delay calculation to generate a second complex baseband signal; a first amplitude signal is generated through envelope detection, and then image display is carried out; under the condition that the handheld terminal and the trolley are in wireless connection, a portable signal is generated; the handheld terminal performs parallel beam forming through a preset delay lookup table to generate a beam forming signal; generating a second amplitude signal through envelope detection and down-sampling, and wirelessly transmitting the second amplitude signal to the trolley; and the trolley displays an image according to the second amplitude signal. By implementing the invention, the problem that the existing ultrasonic imaging equipment cannot give consideration to high performance and high portability at the same time can be solved, and the practicability of the equipment is improved.

The ultrasonic endoscope includes: an elongated insertion part having a longitudinal axis and a distal end hard portion provided on a distal end side; an ultrasonic transducer that is provided in the distal end hard portion, and transmits and receives an ultrasonic wave; and a supply port that is provided in the distal end hard portion and supplies water into a balloon surrounding the ultrasonic transducer, in which an indicator indicating a position of the supply port in a peripheral direction around the longitudinal axis is provided on a proximal end side of the insertion part with respect to the distal end hard portion.

Techniques and systems are described for mixed reality (MR) guidance of an ultrasound probe that acquire reference data depicting a patient's bones, determine a physical position of an ultrasound probe, generate alignment data based on first ultrasound data generated by the ultrasound probe to align virtual positions of the patient's bones depicted in the reference data with corresponding physical positions of the patient's bones, generate virtual guidance based on the reference data, the alignment data, and the physical position of the ultrasound probe, where the virtual guidance provides guidance to a clinician regarding how the ultrasound probe is positioned relative to a target position at which the ultrasound probe can generate second ultrasound data that provides information about the patient's soft tissue structure, and cause an MR visualization device to output the virtual guidance to the clinician.

Systems and methods for panoramic imaging in 2D and 3D ultrasound imaging are disclosed. The techniques disclosed herein use image registration to combine the 2D images into a 3D volume. Ultrasound images collected in different locations are combined using image tracking. When the transducer moves along a lateral direction (in line with a longitudinal axis of the transducer), a portion of the image is overlapped between frames and the overlapping frames can be patched. When the transducer moves along an elevational direction (non-parallel to the longitudinal axis of the transducer), there is no overlap between frames and the non-overlapping frames are not patched together but are stored side-by-side to create a volume. The storage and patching processes can be adaptive (e.g., the images are not stored or patched if there is minimal difference between neighboring frames).

A system for assisting in guiding and performing a procedure on a subject is disclosed. The subject may be any suitable subject, such as a non-living subject and / or a living subject. An imaging system may be used to image a subject. The system may include various steerable or movable members, such as robotic systems, and may be used to move and position imaging systems.

The invention provides a method for determining a global confidence index for a 2D ultrasound image extracted from a 3D ultrasound volume, wherein the global confidence index indicates the suitability of the 2D ultrasound image for medical measurements. The method comprises obtaining a 3D ultrasound volume of a subject and extracting a set of at least one 2D ultrasound image from the 3D ultrasound volume. A set of geometrical indicators is obtained with a previously trained first neural network, and a set of 2D ultrasound images is processed with a second neural network, wherein the output of the second neural network is a set of anatomical indicators and wherein the anatomical indicators indicate at least the presence of anatomical landmarks. A global confidence index is then determined for each one of the set of 2D ultrasound images based on the geometrical indicators and the anatomical indicators.

Systems and methods for delivering needles or catheters within target tissue including an apparatus that includes or a method involving, structure configured for placing a needle, a catheter or a cannula to provide vascular access. In one or more approaches, a vascular access device or system is provided for hemodialysis.

Various exemplary embodiments of the present disclosure encompass a cardiopulmonary resuscitation ("CPR") feedback method involving a carotid blood velocity measurement by an ultrasound sensor (20) of a patient during CPR of the patient and further involving a blood oxygenation measurement by an oxygenation saturation sensor (30) during CPR of the patient and / or a CO2 production measurement by a respiratory sensor (40) during CPR of the patient. An exemplary CPR feedback controller (60) generates CPR feedback based on a descriptive correlation and / or a prescriptive correlation of the carotid blood velocity measurement by the ultrasound sensor (20) and one or both of the blood oxygenation measurement by the oxygenation saturation sensor (30) and the CO2 production measurement by the respiratory sensor (40).