A device and method is provided for a suction tool combined with an optical probe. A suction device is provided having a tip with a hollow tubular body, a plurality of optical fibers embedded in the tip and a concentric ring attached to the tip, wherein the ring end has an inner beveled reflective surface opposing the optical fibers. A method is provided for optically measuring tissue in a medical procedure comprising suctioning a tissue using a suction device, sending optical signals along optical fibers through the suction device; directing the signals from the optical fibers onto the tissue using a beveled surface; receiving optical signals from the tissue in optical fibers via the beveled reflective surface; measuring the received optical signals in a spectrometer or detector; and releasing, resecting or ablating the tissue through the suction device.

A method performed by a computing system comprises receiving a first set of spatial information from an instrument positioned within an anatomic passageway. The first set of spatial information includes a plurality of spatial data records including position information for a distal end of the instrument at a plurality of time periods. The method further comprises ordering the plurality of spatial data records in a time-gathered order. The method further comprises evaluating a spatial relationship between first and second consecutive spatial data records of the plurality of spatial data records. The method further comprises filtering the first set of spatial information based upon the evaluated spatial relationship.

The wrist-type body component measuring apparatus includes: a band configured to be worn on a wrist of a user; a first input electrode and a first output electrode disposed on an inside surface of the band and configured to be in contact with the wrist of the user; a second input electrode and a second output electrode disposed on an outside surface of the band; a measuring unit configured to apply a current to the first and second input electrodes and detect a voltage from the first and second output electrodes to measure a body impedance of the user; and an electrode converter configured to convert a disposition of the first and second input electrodes and the first and second output electrodes based on a determination of whether the band is worn on a left wrist or a right wrist of the user.

A device for use in bariatric surgery includes a flexible hollow tube extending from a proximal end to a distal end and defines a channel therebetween. A series of openings is defined in a distal portion of the tube allowing for fixation of tissue using suction. A flexible member has an initial position disposed alongside the tube and is deployable to a subsequent position in which the flexible member engages a greater curvature of a stomach. The flexible member is configured to be deployable to automatically assume a shape of a greater curvature of a stomach. The flexible member includes a bulging region and a tapering region when deployed. The flexible member is releasably attached to the distal end of the tube.

A fiber includes M primary cores and N redundant cores, where M an integer is greater than two and N is an integer greater than one. Interferometric circuitry detects interferometric pattern data associated with the M primary cores and the N redundant cores when the optical fiber is placed into a sensing position. Data processing circuitry calculates a primary core fiber bend value for the M primary cores and a redundant core fiber bend value for the N redundant cores based on a predetermined geometry of the M primary cores and the N redundant cores in the fiber and detected interferometric pattern data associated with the M primary cores and the N redundant cores. The primary core fiber bend value and the redundant core fiber bend value are compared in a comparison. The detected data for the M primary cores is determined reliable or unreliable based on the comparison. A signal is generated in response to an unreliable determination.

A device comprising includes an insertable structure usable in a surgical theater, a fiber optic line extending through the structure, wherein a computer system is configured to determine a shape of the fiber optic line extending through the structure, and one or more electromagnetic sensors wrapped at least in part around one or more portions of the fiber optic line, wherein the computer system is configured to determine a position and orientation of the one or more electromagnetic sensors, wherein the computer system is configured to determine a shape and a position of the structure based on the determined shape of the fiber optic line extending through the structure and the determined position and orientation of the one or more electromagnetic sensors.

A method for assembling a catheter is disclosed. The method includes printing conductive traces on at least one flexible substrate and encapsulating the at least one flexible substrate to provide for environmental protection. The at least one encapsulated flexible substrate is inserted into a shaft of a catheter. Then, connectors are attached to each end of the at least one encapsulated flexible substrate. One set of the connectors are further attached to sensors located at a distal end of the catheter and another set of the connectors are further attached to electronics in a handle of the catheter.

The present invention relates to imaging a hollow organ. In order to provide an improved and facilitated imaging of a hollow organ of interest, a device (10) for providing three-dimensional data of a hollow organ is provided that comprises a measurement input (12), a data processor (14) and an output interface (16). The measurement input is configured to receive a plurality of local electric field measurements (18) of at least one electrode on a catheter inserted in a lumen of a hollow organ of interest. The measurement input is also configured to receive geometrical data (20) representative of the location of the at least one electrode inside the lumen during the measurements. The data processor is configured to receive pre-set electric field characteristics (22) associated with predetermined anatomical landmarks of the hollow organ expectable in the lumen in dependency of a type of the hollow organ. The data processor is also configured to compare at least one of the plurality of local electric field measurements with the pre-set electric field characteristics to determine matching electric field measurements. The data processor is further configured to allocate local electric field measurements to matching electric field characteristics based on the geometrical data to identify anatomical landmarks of the hollow organ by identifying those local field measurements in the plurality of measurements that correspond to landmarks of the hollow organ. The data processor is still further configured to generate a three-dimensional image data cloud (24) by transforming the allocated electric field measurements into portions of the three-dimensional image data cloud based on the identified anatomical landmarks. The output interface is configured to provide the three-dimensional image data cloud.

A medical instrument includes a first device (108) including shape-sensed flexible instrument, a second device (102) disposed over the first device and a third device (109) disposed over the first device and a portion of the second device. The second and third devices include a geometric relationship such that a position of the second device and the third device is determined from shape sensing information of the first device and the geometric relationship.

Systems and methods are described for implementing a catheter model to estimate shape of a deformable catheter in a three-dimensional space. The catheter model includes two or more model segments that correspond to two or more segments of the deformable catheter. Each model segment includes a length and location of model electrode(s) and/or model magnetic sensor(s) corresponding electrodes and/or magnetic sensors of the deformable catheter. Variable shape parameter define a curvature of the segment. Varying the shape parameters generates a plurality of potential catheter shapes. In conjunction with generating the potential catheter shapes, impedance and/or magnetic responses (e.g., measured responses) are obtained for the physical electrodes and/or physical magnetic sensors of the deformable catheter. Using a selected one (e.g., most likely) of the potential catheter shapes and the measured responses, the shape parameters are updated and a catheter shape is generated and displayed.