A61B8/0841

Needle guide including enhanced visibility entrance

A needle guide for use with a handheld probe having a connector protruding from a probe surface. The needle guide can include an upper portion including an upper surface, a lower portion defining a cavity to receive the connector of the handheld probe, and a needle channel. The needle channel can extend from a proximal portion of the upper surface to a distal end of the upper surface. The needle channel can have a fixed size. The needle guide can include a guide surface extending into the upper portion and the lower portion of the needle guide at a proximal end of the needle guide. The guide surface can include a concave shape with a conical surface that funnels into a proximal end of the needle channel.

Determining at least one final two-dimensional image for visualizing an object of interest in a three dimensional ultrasound volume

The present invention relates to a device (2) and a method (100) for determining at least one final two-dimensional image or slice for visualizing an object of interest in a three-dimensional ultrasound volume. The method (100) for determining at least one final two-dimensional image, the method comprises the steps: a) providing (101) a three-dimensional image of a body region of a patient body, wherein an applicator configured for fixating at least one radiation source is inserted into the body region; b) providing (102) an initial direction, in particular by randomly determining the initial direction within the three-dimensional image; c) repeating (103) the following sequence of steps s1) to s4): s1) determining (104), via a processing unit, a set-direction within the three-dimensional image based on the initial direction for the first sequence or based on a probability map determined during a previous sequence; s2) extracting (105), via the processing unit, an image-set of two-dimensional images from the three-dimensional image, such that the two-dimensional images of the image-set are arranged coaxially and subsequently in the set-direction; s3) applying (106), via the processing unit, an applicator pre-trained classification method to each of the two-dimensional images of the image-set resulting in a probability score for each of the two-dimensional images of the image-set indicating a probability of the applicator being depicted, in particular fully depicted, in the respective two-dimensional image of the image-set in a cross-sectional view; and s4) determining (107), via the processing unit, a probability-map representing the probability scores of the two-dimensional images of the image-set with respect to the set-direction; wherein the method comprises the further step: d) determining (108), via a processing unit and after finishing the last sequence, the two-dimensional image associated with the highest probability score, in particular from the image-set determined during the last sequence, as the final two-dimensional image. The invention provides an efficient way to ensure that the ultrasound volume has the required clinical information by providing the necessary scan planes having the object of interest e.g. the applicator (6) in a three-dimensional ultrasound volume.

Cannula

The present application relates to a cannula, comprising a cannula body with a cannula tube and a body part attached to the proximal end of the cannula tube, a control clip having a mounting body with at least one control element, said control clip being attachable laterally on the body part to form a first configuration. In addition, the present applications relates to a cannula body, a contact clip and a control clip of a cannula.

Ultrasound Detection System

Disclosed herein is an ultrasound imaging system configured to guide medical device insertion. The ultrasound imaging system includes an ultrasound probe having an ultrasound generation device configured to detect one or more anatomical targets within a target area, and one or more projectors configured to project one or more icons within the target area. The ultrasound imaging system can also include a console configured to generate the one or more icons. The console can be coupled to the ultrasound probe, and be in communication with each of the ultrasound generation device and the one or more projectors.

PATH PREPARATION SYSTEM FOR PREPARING A PATH FOR A DEVICE
20220401155 · 2022-12-22 ·

A path preparation system for preparing a path for a device. The path preparation system includes an ultrasound transmitter and a tracking system. The tracking system is configured to determine a current position of the device on the path. The ultrasound transmitter is configured to focus an ultrasound wave onto a focus position that lies in front of the device in the direction of the path, in spatial relation to the current position of the device.

System and methods for guiding a medical instrument
11529070 · 2022-12-20 · ·

A method of training includes providing a medical device having a tangible proximal portion including a magnetic element, and using a virtual tracking system to simulate a distal portion of the medical device. The virtual tracking system can include a tracking component and a display. The tracking component can be configured to detect a magnetic field of the magnetic element and to generate magnetic field strength data. The tracking component can include a processor that iteratively computes position data of the distal portion of the medical device according to the magnetic field strength data to simulate insertion of the distal portion of the medical device into a body of a patient. The display can be configured to depict an image of the position data of the distal portion of the medical device.

Ultrasound probe for puncture needle and ultrasound diagnostic device using same
11529115 · 2022-12-20 · ·

An ultrasound probe for a puncture needle and an ultrasound diagnostic device using the same are disclosed. The ultrasound probe for the puncture needle transmits ultrasonic waves to a subject from a transducer array which is arranged so as to be tilted at a predetermined array angle of inclination with respect to a subject contact surface, in a direction in which an angle of an ultrasonic wave transmission/reception surface with respect to a puncturing direction of the puncture needle punctured from a puncture position toward the front of the subject contact surface decreases, receives ultrasonic echoes, forms sound ray signals which are tilted to a side of the puncture needle, and generates a B mode image of a deep region of the subject from the sound ray signals.

Puncture planning apparatus and puncture system
11531726 · 2022-12-20 · ·

A puncture planning apparatus has: a simulation unit that simulates movement of an organ and a puncture needle by simulation using an organ model; and a planning unit that plans, based on the simulation result, how to move the puncture needle when an actual organ is punctured. The simulation unit executes a plurality of times of the simulation of an operation to advance the puncture needle while correcting an angle of the puncture needle so as to follow the movement of the target segment due to deformation of the organ, conditions of an advancement speed of the puncture needle are changed for each of the plurality times of the simulation, and the planning unit performs planning using the best simulation result out of the plurality of simulation results acquired under different conditions of the advancement speed.

Wireless position determination

The present invention relates to a system SY for determining a position of an RF transponder circuit RTC respective an ultrasound emitter unit UEU. The RF transponder circuit RTC emits RF signals that are modulated based on received ultrasound signals that are emitted or reflected by the ultrasound emitter unit UEU. The position of the RF transponder circuit RTC respective the ultrasound emitter unit UEU is determined based on a time difference ΔT1 between the emission of an ultrasound signal by the ultrasound emitter unit UEU and the detection by the RF detector unit RFD of a corresponding modulation in the RF signal emitted or reflected by the RF transponder circuit (RTC).

Ultrasound imaging system with automatic image saving

Ultrasound imaging systems for automatically identifying and saving ultrasound images relevant to a needle injection procedure, and associated systems and methods, are described herein. For example, an ultrasound imaging system includes a transducer for transmitting/receiving ultrasound signals during a needle injection procedure, and receive circuitry configured to convert the received ultrasound signals into ultrasound image data. The image data can be stored in a buffer memory. A processor can analyze the image data stored in the buffer memory to identify image data that depicts a specified injection event of the needle injection procedure, and the identified image data can be stored in a memory for archival purposes.