A61B5/06

Devices and methods for vascular navigation, assessment and/or diagnosis

Devices and methods for vascular navigation, assessment and/or diagnosis are disclosed where a location detection system generally includes an elongate body defining a lumen at least partially along a length of the elongate body. One or more sensors are positioned near or at a distal tip of the elongate body and one or more openings are defined along the elongate body in proximity to the one or more sensors. The one or more openings are configured to control a boundary distance between the one or more sensors and a fluid with a parameter of a known initial value when emitted from the one or more openings. A controller is in communication with the one or more sensors and is configured to track a change in the parameter relating to concentration over the one or more sensors and determine a position of the one or more sensors within a body.

Automatic probe reinsertion

In accordance with one embodiment, an automated probe system includes a probe configured to be reversibly inserted into a live body part, a robotic arm attached to the probe and configured to manipulate the probe, a first sensor configured to track movement of the probe during an insertion and a reinsertion of the probe in the live body part, a second sensor configured to track movement of the live body part, and a controller configured to calculate an insertion path of the probe in the live body part based on the tracked movement of the probe during the insertion, and calculate a reinsertion path of the probe based on the calculated insertion path while compensating for the tracked movement of the live body part, and send control commands to the robotic arm to reinsert the probe in the live body part according to the calculated reinsertion path.

Systems and methods for navigational bronchoscopy and selective drug delivery
11707331 · 2023-07-25 · ·

Provided in accordance with the present disclosure is a diagnostic and a therapeutic bronchoscopy system for localized delivery of medication within the lungs. Specifically, systems and methods are disclosed for creating a functional and anatomical map of the lungs, diagnosing a condition within the lungs, generating a treatment plan for a target site within the lungs, navigating to the target site, administering a treatment directly to the target site for immediate absorption within the target site, and assessing the efficacy of the treatment.

CATHETER DISTAL END MADE OF PLASTIC TUBE AND FLEXIBLE PRINTED CIRCUIT BOARDS

A catheter includes an insertion tube, a flexible substrate and one or more electrical devices. The insertion tube is configured for insertion into a patient body. The flexible substrate is configured to wrap around a distal end of the insertion tube and includes electrical interconnections. The electrical devices are coupled to the flexible substrate and are connected to the electrical interconnections.

NAVIGATION SLEEVE FOR MEDICAL INSTRUMENT
20230233266 · 2023-07-27 ·

An apparatus includes a cylindraceous sleeve body, a navigation sensor, and an interface feature. The cylindraceous sleeve body includes an open proximal end, an open distal end, and a lumen extending from the open proximal end to the open distal end. The lumen is sized and configured to receive a shaft of a medical instrument. The navigation sensor is positioned at the open distal end of the cylindraceous sleeve body. The interface feature is configured to couple the navigation sensor with an image guidance system. The navigation sensor is configured to cooperate with an image guidance system to provide feedback indicating a position of the navigation sensor in three-dimensional space.

ESTIMATING A POSITION OF AN ENDOSCOPE IN A MODEL OF THE HUMAN AIRWAYS

Disclosed is an image processing device for estimating a position of an endoscope in a model of the human airways using a first machine learning data architecture trained to determine a set of anatomic reference positions, said image processing device comprising a processing unit operationally connectable to an image capturing device of the endoscope, wherein the processing unit is configured to obtain a stream of recorded images; continuously analyse the recorded images of the stream of recorded images using the first machine learning data architecture to determine if an anatomic reference position of a subset of anatomic reference positions, from the set of anatomic reference positions, has been reached; and where it is determined that the anatomic reference position has been reached, update the endoscope position based on the anatomic reference position, and an endoscope system comprising an endoscope and an image processing device, a display unit comprising an image processing device, and a computer program product.

Method and apparatus for detecting superparamagnetic material

The invention relates to a method and apparatus for detecting superparamagnetic material. The method comprises applying, by an excitation coil, a magnetic field during a first period to an object to modulate a magnetization of the superparamagnetic material, the magnetic field comprising a first component with a first frequency; positioning a sensing device at a first position from the excitation coil receiving a first signal by a first detection sub-coil in the sensing device and a second signal by a second detection-sub-coil in the sensing device; determining a sensor signal from the first signal and the second signal; determining a detection signal based on the sensor signal; determining a parameter indicating an amount of superparamagnetic material by dividing the detection signal by the first signal, and repeating steps to at at least one different position in order to determine a location where the parameter has a maximal value.

Position Determination System And Method
20230000386 · 2023-01-05 ·

Disclosed is a method to remove distortion from a navigation system. The navigation system may be used to perform a procedure on a subject. The procedure may be any appropriate procedure. The navigation system may be used to account for the distortive effects of various conductive objects positioned near the subject on which the procedure is performed.

REFERENCE LOCATION VISUALIZATION FOR ELECTROYPHYSIOLOGICAL MAPPING, AND ASSOCIATED DEVICES, SYSTEMS, AND METHODS
20230000562 · 2023-01-05 ·

Devices, systems, and methods for visualizing a reference location of an electrophysiology device in an anatomical image are provided. According to one embodiment, an electrophysiological mapping and guidance system includes a processor circuit in communication with a catheter carrying a plurality of electrodes. The processor circuit controls the plurality of electrodes to obtain electrical measurements (e.g., voltage measurements) of an electrical field induced within an anatomical cavity. The processor circuit computes a reference location of the plurality of electrodes based on distortions in the electromagnetic field detected at a first time, computes a current location of the plurality of electrodes based on distortions in the electromagnetic field detected at a later second time, and outputs a signal to cause simultaneous display of a first visualization of the reference location and a second visualization of the current location.

Electrogram Annotation System

In an embodiment, an electrogram (EGM) processing system provides, for display by a head-mounted display (HMD) worn by a user, a holographic rendering of intracardiac geometry. The HMD also displays an electrogram waveform. The EGM processing system determines a gaze direction of the user by processing sensor data from the HMD. The HMD displays a marker overlaid on the electrogram waveform at a location based on an intersection point between the gaze direction and the electrogram waveform. The EGM processing system determines a measurement of the electrogram waveform using the location of the marker. The HMD displays the measurement of the electrogram waveform.