Abstract: The present invention is a Miniature Vein Enhancer, for use in imaging the subcutaneous veins of a target area of a patient by a practitioner. The miniature vein enhancer includes a Miniature Projection Head, a base, and apparatus for securing the base of the miniature vein enhancer to the practitioner. The Miniature Projection Head includes a housing, and apparatus that images subcutaneous veins of the target area, and projects the image of the veins onto the target area to overlie the subcutaneous veins, which aids the practitioner in pinpointing a vein for an intravenous drip, blood test, and the like. The housing and the base may contain a ball and socket or other mechanical arrangement so that the housing may be rotatable with respect to the base to adjustably direct an optical path of the imaging onto various regions of the patient.

Abstract: Identifying target anatomic locations in a subject's body, and delivering medicinal substances thereto, following transtissual progression (penetrating, cutting through body tissue) and reaching body tissue with medical device distal tip. Involves acquiring mechanical properties of body tissue. Exemplary medicinal substance is, or includes, a drug (anesthetic agent), and exemplary target anatomic location is epidural space in subject's body. Exemplary system includes: cannular member enclosing cannula lumen; pusher-probe having distal end in cannula lumen and positionable from retracted to protruding positions, wherein pusher-probe distal end protrudes out of cannula distal end; and extending mechanism including cam member, a follower shiftable from first to second stations on cam member, and plunger selectively traveling in cannula lumen while forcing relative motion between cam member and follower, wherein pusher-probe distal end repositions between retracted and protruding positions.

Abstract: An electrode system for sensing biometric signals from a body region of a user and a method of manufacture thereof, the electrode system comprising: a substrate comprising a reference region and a signal communication region, the signal communication region including a set of conductive leads; a set of biosensing contacts coupled to the set of conductive leads; a non-conductive region ensheathing each of the set of biosensing contacts, the non-conductive region including: a set of openings that expose at least a portion of each of the set of biosensing contacts for interfacing with the body region of the user, upon coupling of the electrode system to the user; a first bonding layer that couples the substrate to a fabric base; and a second bonding layer coupled to the first bonding, wherein the substrate is hermetically sealed between the first bonding layer and the second bonding layer.

Abstract: A garment includes a securing portion operable to removably secure the garment about an abdomen of a wearer; a sensor attachment portion pivotably attached to the securing portion, the sensor attachment portion including a sensor mount configured to receive and retain a sensor therein; and a sensor received in the flexible sensor mount; the securing portion and the sensor attachment portion being configured such that, when the securing portion is secured around the back of a wearer, the sensor attachment portion pivots with respect to the securing portion so as to self-position the sensor attachment portion across (a) an upper portion of the wearer's abdomen or (b) a lower portion of the wearer's abdomen; the flexible sensor mount being configured to orient a sensor received therein to be flush with skin of the wearer when the garment is worn by the wearer and to self-adjust during the course of pregnancy.

Abstract: A method for processing electrocardiograph (ECG) data using a garment includes determining, by a processor, a current working lead from ECG leads formed in advance using flexible electrodes in the garment based on a current ECG monitor type, and receiving, by the processor through lead wires corresponding to the current working lead, ECG data collected by flexible electrodes corresponding to the current working lead. A wearable apparatus for processing ECG data includes at least two flexible electrodes, in which the at least two flexible electrodes are capable of forming different leads based on predetermined configurations, at least two lead wires, and an ECG data collector configured to receive ECG data collected by the at least two flexible electrodes, in which each of the at least two flexible electrodes connects to the ECG data collector via at least one of the at least two lead wires.

Abstract: A technology for a swappable wearable device that is operable to monitor one or more physiological parameters of a user. Physiological measurement data from a physiological measurement sensor attached to the swappable wearable device or a physiological measurement sensor in communication with the swappable wearable device can be received at the swappable wearable device. The physiological measurement data can be stored on a non-transitory computer readable medium coupled to swappable wearable device. The stored physiological measurement data can be communicated to another swappable wearable device or a synchronization platform when a selected event occurs.

Abstract: A wearable consumer electronic product includes at least a housing arranged to carry operational components comprising a processor and a band having a pliable band body and a securing means arranged to secure the band body to the housing. In one embodiment, the pliable band body has a size and shape suitable for wrapping around an individual appendage and that includes an opening that leads to a cavity within the band body suitable for accumulating an amount of water and a band sensor embedded within the band body in communication with the cavity.

Abstract: According to one embodiment, an electronic device includes a biological information acquisition processor, a body condition estimation processor, and a motion change detector. The biological information acquisition processor acquires biological information of a living body including information about the living body. The body condition estimation processor estimates a body condition of the living body based on the biological information. The motion change detector detects a motion change of the living body based on the biological information. The body condition estimation processor corrects a reference value used during body condition estimation or changes a body condition estimation method based on the motion change of the living body.

Abstract: An apparatus for measuring a bio-signal includes: a light source emitting a predetermined amount of light into a human body; a light receiving unit receiving at least some of the predetermined amount of light; and a cover, which is touchable by the human body, protecting the light source and the light receiving unit. The light source and the cover are arranged such that the light source and the cover are separated by a first gap, the light receiving unit and the cover are arranged such that the light receiving unit and the cover are separated by a second gap, and the first gap is less than the second gap.

Abstract: To allow an implantable device including an electronic circuit to be implanted in the head in a more preferable manner in terms of appearance and safely. This implantable device is used for a brain-machine interface or the like. A casing of an implantable device configured to be implanted in a human head has an outer convexity surface matching an external shape of a resected skull related to at least a craniotomy site of the artificial bone designed in accordance with a skull shape of each person in order to fill the craniotomy site. That is, the outer convexity surface of the artificial bone is provided with two functions: the original function of filling the craniotomy site as the artificial bone and a function of serving as the casing of the implantable device.

Abstract: Providing an activity for a participant may include receiving at least location data specifying a location of the participant. An engagement level of the participant may be predicted based on the location data. Sensor data associated with the participant may be received, the sensor data comprising at least current physiological data associated with the participant. Based at least on the predicted engagement level and the sensor data, an exercise for the participant to perform may be determined. A notification signal may be transmitted to the participant to perform the exercise.

Abstract: Methods and systems are disclosed analyzing a glucose level of a person having diabetes. The method, in at least one example, comprises receiving into a computing device a plurality of measured glucose values from a continuous glucose monitoring system coupled to a person having diabetes, analyzing the plurality of measured glucose values with a probability analysis tool on the computing device to determine a glucose threshold (gI0), and a boundary glucose value (g?) at a probability threshold where the person having diabetes requires at least a predetermined insulin dose, and comparing, with the computing device, the boundary glucose value (g?) to the glucose threshold (gI0), wherein if the boundary glucose value (g?) is greater than the glucose threshold (gI0) then the computing device performs an alert on a user interface.

Abstract: Provided is an electronic device to monitor a user's biological measurements, where a sensor is configured to acquire a raw signal from a user, and the electronic device determines a snoring signal from the raw signal by appropriately processing the raw signal.

Abstract: An improved system and method for estimating and compensating for motion by reducing motion artifacts produced during image reconstruction from helical computed tomography (CT) scan data. In a particular embodiment, the reconstruction may be based on helical partial angle reconstruction (PAR) and the registration may be performed utilizing one or more artificial intelligence (AI) based methods.

Abstract: An imaging system includes a collimator assembly, a detector assembly and a control device. The collimator assembly is configured to collimate photons emitted from an imaged subject. The collimator assembly may include a plurality of slit-plates and a plurality of slats parallel to a transverse plane of the imaging system. Each of the plurality slit-plates may include one or more slits configured to collimate the photons in a first direction. The detector assembly is configured to generate signals based on the collimated photons. The control device is configured to place the plurality of slit-plates in a plurality of locations to provide a plurality of fields of view of the imaging system.

Abstract: A flexible, durable, sanitary, adhesive-backed sheet is applied to the skin-contacting surfaces of a mammography bucky prior to commencing a mammography procedure, and is removed from the bucky once the procedure is complete, without leaving a residue behind. The sheet is made of a non-woven polymeric material that gives the sheet a fabric-like or cloth feel, and is substantially incompressible in response to forces applied during a mammography procedure. The sheet insulates the patient from the temperature differential between the patient's skin and the bucky surfaces. Additionally, the surface of the sheet is embossed with a texture, markings or raised features to enhance the fabric-like feel.

Abstract: One embodiment, control circuitry executes at least one of a start operation and a stop operation. For a start operation, the control circuitry accelerates a top support portion along a forward direction before moving a top when starting to move an object in a scan after positioning the top support portion at a moving start position decided based on a scan condition and accelerates the top to a set speed along the forward direction after a first predetermined time since start of acceleration control on the top support portion. For a stop operation, the control circuitry accelerates the top support portion along the forward direction when decelerating the top and stops the top after a second predetermined time since start of acceleration control on the top support portion.

Abstract: An anti-scatter grid, a detector with such an anti-scatter grid and a radiation imaging system including such a detector with an anti-scatter grid are provided. The anti-scatter grid includes at least one grid wall. The parameters of the grid wall may be adjusted to arrive a uniform scatter-to-primary ratio. The parameters of the grid wall comprise thickness, height, shape, or position of the grid wall, or width of interspace between two grid walls. The detector includes the anti-scatter grid, at least one photosensor, and at least one scintillator. The radiation system includes a radiation generator, a radiation detector with the anti-scatter grid, and a processor.

Abstract: An X-ray apparatus capable of releasing a locked rotation of a wheel using a power supplied from an auxiliary battery of an X-ray detector when a body is discharged, and a control method thereof. A mobile X-ray apparatus includes a body including a body battery, a detector accommodator and a wheel, an X-ray source emits X-rays to an object, a detector battery connector provided on the body and connectable to a detector battery, a power supply circuit connected to the detector battery connector to form a first path in which a power is supplied from the body battery to the detector battery and a second path in which a power is supplied from the detector battery to the body, and a controller controls the power supply circuit to selectively form the first path and the second path.

Abstract: The present invention relates to goggles, in particular radiation protection goggles, for receiving at least one radiation protection material which protects the eyes of a patient from radiation being harmful to the eyes, in particular ?-radiation and/or x-ray radiation and/or gamma radiation. The goggles comprise: two goggle frames, each having a continuously circumferential side wall structure completely enclosing an area around the respective eye of the patient, a length-adjustable connection element between the two goggle frames in the area of the patient's nose in order to change the distance between the two goggle frames relative to one another, and at least one length-adjustable holding element for fixing the two goggle frames at the patient's head. The side wall structures are configured for receiving at least one radiation protection material substantially completely around its circumference.

Abstract: Special displays of medical images are generated that help a radiologist better detect nodules by exploiting the inherent human visualization abilities of detection of symmetry, asymmetry, motion and relative motion. A Region of Interest (ROI) on an x-ray (mammogram, CT-scan, MRI, or other medical image) is selected and the data within the ROI is copied such that a new display now has two or more copies of the information within the ROI. This copy may contain the same relative positions as the original image, or may be a mirror image of the original data. The ROI is moved over the medical image in search of nodules. This movement can be random, under the direct control of the radiologist, systematically moved by a computer algorithm, or some combination of the above.

Abstract: Disclosed is a dental X-ray imaging apparatus having a radiographing housing so as to provide a stable radiographing environment to an examinee. The dental X-ray radiographing apparatus includes a radiographing unit including a rotary arm, an X-ray generator, and an X-ray sensor, and a radiographing housing for covering an upper part, an outside and an inside of an operating range of the radiographing unit. The imaging apparatus further includes a lifter configured to move the radiographing housing, and a handle frame disposed at a lower part of the radiographing housing with a variable height and including a chin rest, wherein the lifter moves the radiographing housing such that the distance between the chin rest and the radiographing housing is constant.

Abstract: A system and method for a procedure that can be performed on any appropriate subject. Procedures can include assembling any appropriate work piece or installing members into a work piece, such as an airframe, autoframe, etc. Regardless of the subject, tracking a substantially small tracking device in a plurality of degrees of freedom is provided. The tracking device can be positioned on or be formed in an instrument to be tracked.

Abstract: A hybrid imaging system is disclosed including an arcuate arm defining a first and a second end the arcuate arm including a first detector assembly for 2D x-ray imaging of a patient and a second detector assembly for CT imaging of the patient, wherein the imaging system includes an internal drive mechanism for rotating the arcuate arm (e.g. translating the arcuate arm along an arcuate path) around the patient.

Abstract: Provided are a C-arm X-ray imaging apparatus and a base for the apparatus, the base comprising a drive member, a horizontal portion and a sunk portion. The sunk portion comprises a rotary disc connected to the horizontal portion and the drive member, and an upper surface of the rotary disc is flush with or lower than a lower surface of the horizontal portion. The rotary disc is configured to be rotatable about its center of rotation under the driving of the drive member so as to drive the base to rotate.

Abstract: The X-ray image capturing device includes a top board for laying a subject thereon, an image capturing unit for capturing an X-ray image, an image processing unit for generating an elongate image which is an image longer than the X-ray image by performing joining processing of a plurality of X-ray images, and a display unit for displaying an elongate image. Based on the position information on the top board and the image capturing unit, the image capturing range of the image capturing unit is displayed on the elongate image.

Abstract: When performing processing for eliminating scattered radiation included in radiation transmitted through a subject on a radiation image captured by irradiating the subject with radiation, an imaging condition acquisition unit acquires imaging conditions, and a distance information acquisition unit acquires distance information representing the distance between the subject and a radiation detector. A scattered radiation information acquisition unit acquires scattered radiation component information representing a scattered radiation component of radiation included in the radiation image based on at least the imaging conditions, and a correction unit corrects the scattered radiation component information based on the distance information. A scattered radiation elimination unit performs scattered radiation elimination processing of the radiation image based on the corrected scattered radiation component information.

Abstract: A radiographic imaging control apparatus includes a control unit, a setting unit, and an obtaining unit. The control unit performs a first control to cause a radiation sensor to transit into a state where electric charges can be stored if it is determined that a predetermined standby time elapses and performs a second control to cause the radiation sensor to transit into the state where electric charges can be stored in response to a signal received from a detection unit configured to detect start of a generation of radioactive rays. The setting unit designates either the first control or the second control as a control to be performed. The obtaining unit acquires radiation image data from the radiation sensor.

Abstract: A radiographic imaging apparatus includes a sensor panel, a sound emitting member that provides notification of a state via sound, a casing that contains the sensor panel and the sound emitting member, where the casing includes a first sound transmission hole and a sound transmission member that covers the first sound transmission hole, where the sound transmission member includes a second sound transmission hole with a smaller diameter than a diameter of the first sound transmission hole. The radiographic imaging apparatus includes a detection unit that detects information related to an installed state of the radiographic imaging apparatus and a control unit that controls a volume of the emitted sound based on the detected information.

Abstract: A method for measuring an X-ray image of an area undergoing medical examination that has at least one object. A 3D model is provided of the area undergoing examination that includes a virtual 3D object to be assigned to the object to be measured, a digitally reconstructed X-ray picture is computed based on the 3D model and under the assumption of a virtual projection direction, the X-ray image is compared with the digitally reconstructed X-ray picture, the virtual projection direction is changed relative to the virtual 3D object. The steps of comparing and changing are repeated until a virtual projection direction with maximum correlation between the X-ray image and the digitally reconstructed X-ray picture is found. An object plane is determined that is to be assigned to the virtual 3D object. A corrected projection direction is defined and the X-ray image is measured.

Abstract: A system and methods for molecular breast imaging (MBI) using pixelated gamma cameras provide easier patient positioning and biopsy access using compression paddles and movable gamma cameras. The paddles and cameras can be curved to better conform to the breast shape. A variable-angle slant-hole collimator is provided to assist in stereotactic imaging for biopsy guidance. Methods for performing an MBI screening or diagnostic examination and guiding a biopsy with stereotactic MBI are provided.

Abstract: Scanning a subject with an ultrasonic probe and obtaining an ultrasonic image of the subject. Obtaining a cross-sectional image of a cross-section of a three-dimensional image corresponding to the ultrasonic image from the three-dimensional image, the three-dimensional image including a puncture line set for a puncture needle and a superimposed columnar index having a central axis line on the puncture line and opacity which is reduced with the distance from the central axis line. Displaying the ultrasonic image and the cross-sectional image. In this case, the thickness, opacity, and cross-sectional shape of the index displayed on the cross-sectional image vary according to the positional relationship between the scan plane of the ultrasonic probe and the cross-section in which the puncture line is set.

Abstract: Systems and methods of M-mode ultrasound imaging allows for M-mode imaging along user-defined paths. In various embodiments, the user-defined path can be a non-linear path or a curved path. In some embodiments, a system for M-mode ultrasound imaging can comprise a multi-aperture probe with at least a first transmitting aperture and a second receiving aperture. The receiving aperture can be separate from the transmitting aperture. In some embodiments, the transmitting aperture can be configured to transmit an unfocused, spherical, ultrasound ping signal into a region of interest. The user-defined path can define a structure of interest within the region of interest.

Abstract: An ultrasound diagnosis apparatus and method enabling general users to easily acquire ultrasound images even when the users are unskilled at using ultrasound diagnosis apparatuses, and a non-transitory computer-readable storage medium having the ultrasound diagnosis method recorded thereon are provided. The ultrasound diagnosis apparatus includes a probe configured to acquire ultrasound data of an object; an image generation unit configured to generate an ultrasound image of the object by using the ultrasound data; a probe location acquisition unit configured to acquire a location of the probe on the object; a display unit configured to display the location of the probe and a reference location on an image representing the object; and a control unit configured to determine whether the location of the probe corresponds to the reference location.

Abstract: A medical acoustic coupler is to be detachably attached to an ultrasonic probe including a graspable trunk portion and a protruding portion protruding in a width direction from the trunk portion, the medical acoustic coupler including a sheet-like elastic member, the elastic member including: a contact portion located at a central portion of the elastic member in a planar view, the contact portion being brought into contact with an ultrasound transmission/reception surface located at a top edge of the protruding portion when the elastic member is attached to the ultrasonic probe; and loop portions located on the opposite sides of the contact portion from each other, the loop portions each forming a loop, wherein, when the elastic member is attached to the ultrasonic probe, the loop portions are hooked around the protruding portion, to fix the elastic member to the ultrasonic probe.

Abstract: The present invention relates to devices for detecting esophageal state changes. More specifically, the present invention relates to a lightweight, portable, user-operable device capable of detecting gastroesophageal reflux events. The sonography array can also be used to track the frequency of gastroesophageal reflux events, and can either store or deliver the data either to a practitioner's server or to a user's electronic device.

Abstract: According to various embodiments, there is provided a probe structure. The probe structure includes a probe configured to emit acoustic energy. The probe structure further includes a load cell underneath and aligned with the probe. The probe structure further includes a probe hub including a cavity for receiving the probe and the load cell.

Abstract: An ultrasound observation apparatus includes: a feature calculation unit configured to calculate a plurality of features based on the ultrasound signal; a feature image data generation unit configured to generate feature image data in which a feature of a display target to be displayed together with the ultrasound image, among the plurality of features calculated by the feature calculation unit, are colorized with a predetermined display specification; and a display specification setting unit configured to set at least one of a colorization range of the feature of the display target and a change rate of hue of the feature of the display target, which are display specifications of the feature of the display target, by comparing a representative value of other feature other than the feature of the display target with a threshold value.

Abstract: A portable ultrasound system includes a main screen included in a hinged portion of the portable ultrasound system configured to open and close relative to a main housing of the portable ultrasound system, a touchscreen included on a top surface of the main housing of the portable ultrasound system, and a touchpad included on the top surface of the main housing of the portable ultrasound system. The system further includes a processing circuit configured to perform general computing operations, configured to receive ultrasound imaging data, and configured to provide ultrasound information to at least one of the main screen, the touchscreen, or the touchpad.

Abstract: An information providing method which is implementable by using an ultrasound apparatus includes obtaining ultrasound image data which relates to an object; displaying, on a first area of a screen, a gain setup window for setting a gain of the obtained ultrasound image data; receiving a gain which is set by a user on the gain setup window; and displaying, on a second area of the screen, an ultrasound image of the object to which the set gain is applied.

Abstract: There is provided a technique for obtaining a high-quality image by extracting only a nonlinear component with high accuracy in ultrasonic imaging using an amplitude modulation method of THI. By removing a fundamental wave component with high accuracy by making the influence of electrical distortion due to analog amplification on the echo signals of ultrasonic waves having different sound pressure levels approximately the same, only the nonlinear component is extracted with high accuracy. For example, the above influence is made to be the same by controlling the amplification factor of an amplification section. In addition, the above influence is made to be the same by restoring the digital data with a filter.

Abstract: An ultrasonic diagnostic device includes: a probe including a plurality of elements; a transmission unit that transmits an ultrasonic beam by performing transmission focusing in a first direction from the plurality of elements; a reception unit that generates element data by processing reception signals output from the plurality of elements that has received an ultrasonic echo generated by the transmitted ultrasonic beam; an element data processing unit that generates reflection component removal data by removing a reflection component generated from the first direction from the element data; an image generation unit that generates an ultrasonic image by performing reception focusing for the element data; and a control unit that controls the image generation unit to generate an image signal along a second direction different from the first direction by performing reception focusing in the second direction for the reflection component removal data generated by the element data processing unit.

Abstract: Ultrasonic transmission and reception for sound speed setting is performed in response to an instruction to freeze, an instruction on an observation target range, an instruction to change image quality and an instruction to change an image mode, a reception signal obtained by the ultrasonic transmission and reception for sound speed setting is used to set the sound speed in a subject, and a reception signal obtained during ultrasonic transmission and reception is processed based on the set sound speed to produce an ultrasound image. Such method makes it possible to produce a high-quality ultrasound image subjected to delay correction appropriate to various operations on an ultrasound diagnostic apparatus, such as freezing and change in image quality.

Abstract: An ultrasound diagnostic apparatus includes a quadrature detection section configured to perform quadrature detection on reception radio-frequency data generated by a reception circuit to generate complex data, a frequency analyzer configured to perform a first frequency analysis using the complex data of a set number of sample points starting from a first start point and a second frequency analysis using at least one group of the complex data of the set number of sample points starting from a second start point that is different from the first start point, and to acquire a spectral signal corresponding to each pixel of a Doppler waveform image based on results of the first frequency analysis and the second frequency analysis, and a Doppler waveform image generator configured to generate the Doppler waveform image using the spectral signal.

Abstract: Automatic detection of valve disease from analysis of Doppler waveforms exploiting the echocardiography annotations is provided. In various embodiments, a frame is selected from a medical video. The selected frame depicts a valve of interest. A Doppler envelope is extracted from the selected frame. Based on the frame and the Doppler envelope, one or more measurements indicative of a disease condition are extracted.

Abstract: A sample capture and transport unit comprises a housing defining a substrate chamber for containing a sample-capture substrate. The housing comprises at least a first part and a second part which are movable relative to one another ? i) from a first closed configuration in which the substrate chamber is inaccessible; ? ii) to a first open configuration in which access to the substrate chamber is enabled to allow capturing of a skin-print on a sample-capture substrate contained within the substrate chamber; and subsequently ? iii) into a second closed configuration in which the substrate chamber is again inaccessible. The unit further comprises a retaining mechanism for retaining it in the second closed configuration. The retaining mechanism is disablable to permit movement of the unit out of the second closed configuration. A sample can be obtained at a first location, secured for transport and analysed at a second location.

Abstract: Disclosed herein are an adjustable-bending stiffness steerable needle, a buckling-preventing steerable needle, and a steerable needle system including the same. The adjustable-bending stiffness steerable needle includes a cylindrical core wire, a tip portion, a needle shaft, a compression spring, and a rigid shaft. The tip portion has a bevel shape, and is connected to the front end of the core wire. The needle shaft is disposed such that one end thereof is separable from the tip portion and the needle shaft surrounds the core wire. The compression spring is fastened to the other end of the needle shaft, and is configured such that the core wire passes therethrough. The rigid shaft is connected to the core wire having passed through the compression spring, and is also connected to the compression spring. The needle shaft includes a plurality of hollow tube elements that is separable from each other.

Abstract: A method of operating a biopsy device includes providing a sampling mode for taking a tissue sample with a biopsy needle; providing an insertion/removal mode for inserting or extracting the biopsy needle from living tissue; displacing a primary drive member through a continuous range that defines a first interval and a second interval; transmitting a motive force via the primary drive member to a first drive element during the first interval to cause a pump to generate a vacuum in the biopsy needle; and, transmitting a motive force via the primary drive member to a second drive element during the second interval to change the biopsy needle from the insertion/removal mode to the sampling mode.

Abstract: It is desired that a technique be provided that is capable of ensuring more reliable voice communication during surgery among surgical participants. Provided is a control device including a sound-output-control unit that controls sound output by a sound-output device on a basis of information related to surgery.

Abstract: The present disclosure relates, in part, to a scanning sufficiency apparatus that computes whether a handheld scanning device has scanned a volume for a sufficiently long time for there to be detections and then indicate to the user that the time is sufficient in 3-D rendered voxels. Also described is a hand held medical navigation apparatus with system and methods to map targets inside a patient's body.