Abstract: A catheter system may include a catheter assembly, which may include a catheter adapter and a catheter extending distally from a distal end of the catheter adapter. The catheter system may also include a needle assembly, which may include a needle hub and an introducer needle. The needle hub may include: a distal end coupled to the proximal end of the catheter adapter; a proximal end; a wall disposed between the distal end of the needle hub and the proximal end of the needle hub; and a flashback chamber proximate the wall. The introducer needle may be press-fit within a through-hole of the wall. The catheter system may also include a plug coupled to the proximal end of the needle hub. A blood collection device may be coupled to a proximal end of the plug to collect blood from a patient.

Abstract: A blood sample collection and/or storage device includes a medium, such as a membrane or microstructured environment for storing a body fluid sample such as a blood sample. The medium has hydrophobic patterns formed thereon or therein to define precisely dimensioned channels for fluid flow or fluid retention. Break lines in the medium defined predetermined areas (or volumes) of the medium. After sample collection, the medium may be broken apart along the break lines to obtain a precisely measured amount of the fluid sample.

Abstract: A catheter system may include a catheter adapter, which may include a distal end, a proximal end, a lumen extending through the distal end and the proximal end, and a side port in fluid communication with the lumen. A catheter may extend distally from the catheter adapter. A septum may be disposed within the lumen. The septum may include a first slit generally aligned with a longitudinal axis of the catheter and a second slit offset from the longitudinal axis of the catheter. An introducer needle may be secured within a needle hub and may extend through the catheter and the first slit of the septum. A winged needle set may include: a body; a needle extending distally from the body and through the second slit of the septum; an extension tube extending from the body; and a blood collection device coupled to the extension tube.

Abstract: A vascular access system which may be configured for blood draw may include a housing, which may include a distal end, a proximal end, and a slot disposed between the distal end and the proximal end. The slot may include a notch. The vascular access system may include a cannula hub, which may be disposed within the housing and movable with respect to the slot. The cannula hub may include a tab extending through the slot. The vascular access system may include a cannula extending distally from the cannula hub. In response to the tab being disposed within the notch, a distal tip of the cannula may be disposed within the housing. In response to advancing the tab along the slot to a distal end of the slot, the distal tip of the cannula is disposed distal to the distal end of the housing.

Abstract: Methods, systems, and apparatuses are described causing light to be emitted, causing a frequency at which the light is emitted to vary, receiving, based on the frequency variation, a user input, determining a critical flicker frequency (CFF) corresponding to the user input, and determining, based on the CFF, a disease state.

Abstract: A method quantitatively determines fusion capacity in conjugate eye movements of a subject. Visual stimuli are provided for stereopsis as a task for the subject, the stimuli being generated at a viewing angle relative to the primary viewing direction of the subject such that the subject must execute a movement of the viewing direction of the eyes away from the primary viewing direction. Each stimulus is presented for a period of time so that the subject perceives the respective stimulus. The subject reacts to the respective stimulus perceived thereby within a reaction time. The reaction time is determined as the duration between presentation of the relevant stimulus and the subject's motor response to the stimulus. The steps are carried out continuously with stimuli for stereopsis at varying cognitive degrees of difficulty. A series of measurements of reaction times is generated at different cognitive degrees of difficulty.

Abstract: A system and method for health diagnostics and more specifically to an image-capture based system and method for detecting physiological state for a subject. The system provides a remote and non-invasive approach by which to detect physiological state with a high confidence. The system enables monitoring of hemoglobin concentration changes by optical imaging and related detection systems.

Abstract: A monitoring device or arrangement performs a method (30) of sensing physiological stress in a user based on sensor data from one or more sensors associated with the user. The method comprises: obtaining (31) stress parameter values (SPVs) that represent a physiological stress level in the user and that are generated at a measurement rate based on the sensor data; monitoring (33) the stress parameter values (SPVs) for detection of a switching point, which is detected when the stress parameter values indicate an elevated stress level in the user for a predefined time period; and causing (34) a reduction of the measurement rate upon detection of the switching point.

Abstract: Exemplary embodiments described in this disclosure are generally directed to systems and methods for reducing anxiety in an occupant of a vehicle. In one exemplary method, a computer that is provided in a vehicle receives from a source such as a server computer, information that is used to determine a behavioral profile of an occupant of the vehicle. The computer utilizes the behavioral profile to identify a behavior characteristic of the occupant. The behavior characteristic is matched by the computer to one of various behavior categories such as an amaxophobia sufferer category or a controlling personality category. The computer then executes one or more operations in the vehicle based on the behavior category to which the occupant belongs. If the occupant belongs to the amaxophobia sufferer category, the computer may, for example, play an audio track, display a video clip, and/or change a driving characteristic of the vehicle.

Abstract: The object of the present invention is to assess the driving aptitude of a target person. Provided is a driving aptitude assessment apparatus 200 including: functional impairment degree assessment means configured to assess the degree of functional impairment of a brain of a target person on the basis of test result information indicating a result of a neuropsychological test administered to the target person and head image data obtained by tomography of a head of the target person; and driving aptitude assessment means configured to assess the driving aptitude of the target person on the basis of an assessment result by the functional impairment degree assessment means.

Abstract: An embodiment method comprises collecting at least one electrophysiological signal of a human over a limited time duration, and computing a set of electrophysiological signal features. The computing comprises at least one of: providing at least one reference electrophysiological signal and applying dynamic time warping processing to the at least one collected and at least one reference electrophysiological signals, applying stacked-auto-encoder artificial neural network processing to the collected electrophysiological signal, or filtering the electrophysiological signal collected via joint low-pass and high-pass filtering. The method further comprises applying pattern recognition processing to the computed set of features, producing a virtual key signal indicative of an identity of the human, and applying the virtual key signal to a user circuit to switch it between a first state and a second state as a result of the virtual key signal matching an authorized key signal stored in the user circuit.

Abstract: Devices and methods for providing interactivity during a swallowing exercise are disclosed. Sensory guidance is presented to guide a user through a set of swallows to be completed by the user during the swallowing exercise. Signals are received from a sensor device worn by the user, the signals representing surface electromyography data obtained when the user performs the swallowing exercise. Sensory feedback of the user's exertion level is presented, the feedback generated from the electromyography data and updated as further electromyography data is received from the sensor device, wherein the sensory feedback is presented in association with an exertion level calibrated to the user's ability.

Abstract: A device for assessing sunscreen coverage on a person includes a casing a lens assembly extending from about a front facing surface of the casing and allowing transmissivity to light energy in a wavelength range of about 300 to about 400 nm. A filter is in optical communication with the lens assembly and having a high optical density above about 390 nm and a low optical density below about 390 nm. A sensor is in optical communication with the filter, the sensor having a signal/noise ratio that is greater than about 36 db. A controller is configured for receiving input from a user to control the device. A display screen may be in communication with a controller for displaying an image associated with the filtered light.

Abstract: An image processing system comprises an imaging apparatus and an image processing apparatus. The imaging apparatus receives light from a subject to generate image data, outputs the image data to a communication network, and displays an image based on the image data. The image processing apparatus acquires the image data over the communication network, and extracts an affected area of the subject from the image data. The image processing apparatus outputs information indicating a result of extraction of the affected area to the communication network, and the imaging apparatus acquires the information indicating the result of extraction of the affected area. The imaging apparatus performs display based on the information and causes a user to input evaluation values of a plurality of predetermined evaluation items in the affected area.

Abstract: A method and system for assessment of a blood flow in an area of the skin and underlying tissue of a patient. The method including subjecting the assessed area to at least two different pressure states. The method further includes obtaining blood flow data related to the assessed area while subjecting the assessed area to the at least two different pressure states, wherein the blood flow data is obtained by means of photoplethysmography, and assessing the risk of pressure ulcers on the patient based on assessment of the blood flow data obtained for the at least two different pressure states.

Abstract: In various exemplary embodiments a hair condition determining device and a method for providing hair condition information may be provided. The device may comprise a first area and a second area configured in such a way that hairs of a user are movable between the first area and the second area, wherein in the first area at least one optical sensor for detecting light of a light source is positioned, wherein the second area includes at least one carrier, and wherein the first area and the second area are coupled by employing a connecting element in such a way that the first area and the second area face each other in such a way that a sensor main measuring direction of the at least one sensor is aligned at a predefined angle to a surface of the carrier.

Abstract: A monitoring system includes a communications circuit and an analysis circuit where the communications circuit is configured to receive an image of a user from a social media system and receive orthodontic treatment plan data associated with the user from an aligner fabrication computer system. The analysis circuit is configured to determine an actual oral condition of the user at a time when the image of the user was taken, determine an expected oral condition of the user at the time when the image of the user was taken based on the orthodontic treatment plan data, compare the actual oral condition and the expected oral condition, and generate an output based on the comparison. The communications system communications the output to at least one of the user device and the aligner fabrication computer system.

Abstract: A portable polysomnography apparatus comprises a unitary flexible structured pillow that is embedded with one or more sensors for data collection. The one or more sensors can comprise a tilt sensor that is configured to generate respiratory effort signals based on tilting of the head of the subject on the pillow. The one or more sensors can further be configured to generate ballistocardiogram signals from movement of the head of the subject caused by beating of the heart of the subject. The polysomnography apparatus can be advantageously sized and shaped to cause the sleeping subject to properly orient her head with respect to the sensors for optimal data collection while the subject is asleep.

Abstract: An electronic apparatus includes a measurement unit configured to measure a blood flow volume of a subject and a controller configured to estimate a sleep state of the subject based on the blood flow volume of the subject.

Abstract: An injection device adapted to be worn on the body of a patient. The device includes an injector containing an agent for treating hypoglycaemia. A control assembly including a signal receiver is configured to receive signals from a glucose sensor, the control assembly being electrically coupled to an alarm and configured to activate the alarm upon a signal received in the signal receiver being indicative of hypoglycaemia, the control assembly being configured to cause the injector to administer through a needle a dose of the agent to the patient after a predetermined period of time of the signal receiver receiving the signal indicative of hypoglycaemia, the control assembly having a manually activated switch that when activated prior to the expiration of the predetermined period of time causes the control assembly to abort the injection of the agent.

Abstract: According to one aspect of the invention, there is provided a method for assessing blood flow regulation performance based on hemodynamics, comprising the steps of: calculating second biometric information corresponding to a time differential of first biometric information on a hemoglobin concentration measured from a cerebral part of a subject; and assessing blood flow regulation performance of the subject with reference to a response that occurs in the second biometric information in correspondence to a change in a posture of the subject.

Abstract: A system and method are disclosed for three-dimensional biopsy imaging and planning. Elements include a computer coupled with a database, imaging system, actuator assembly, and pathology collection device, such as a needle assembly connected to the actuator assembly. The computer is configured to operate the imaging system to acquire one or more tissue images from an animal. The computer is further configured to generate a three-dimensional tissue model from the tissue image(s) and to develop a biopsy plan to collect tissue specimens from one or more tissue specimen collection sites on the three-dimensional tissue model. The computer actuates the actuator assembly to extend the needle assembly into the animal to collect one or more tissue specimens, displays biopsy results associated with each of the one or more collected tissue specimens on the three-dimensional tissue model, and generates a treatment plan to treat one or more tissue regions of the animal.

Abstract: Systems and methods for an autism management and/or diagnosis support system are described. The autism management and/or diagnosis support system can include a computing device, including a wearable computing device, configured to receive an input from a user to select a client profile and display on a user interface the client profile. The computing device can be further configured to receive a second input from the user to record behavioral event data and begin recording the behavioral event data. The computing device can also retrieve historical behavioral data associated with the client profile and compile a summary of behavior associated with the client profile to be displayed for the user.

Abstract: The object of the invention is a tubular compression garment for monitoring the therapy and physiological activity of the wearer, which belongs to the field of medical devices and can be used, among other things, for the treatment or alleviation of symptoms of various diseases, preferably for the treatment or alleviation of symptoms of venous vasculature in the legs. A tubular compression garment for monitoring the therapy and physiological activity of the person comprises a classic tubular compression garment (20) with an attached stretch-measuring sensor (10) and a sensor-control unit (6) with contacts (4, 11, 12) for connection to the stretch-measuring sensor (10), wherein the sensor-control unit (6) further comprises a motion sensor, a photoplethysmographic sensor, a temperature sensor, and a processing unit with a clock; and wherein a sensor-control unit (6) is detachably secured to the compression garment (20).

Abstract: Acoustoelectric imaging (AEI) offers a novel, non-invasive method for monitoring current densities produced by a deep brain stimulator (DB S) or other medical device. By providing visual feedback of the electrical current patterns produced by the device, AEI may help guide placement of an implant during surgery, monitor device performance during routine checkups and over time, and perform accurate calibrations (in vivo or in situ).

Abstract: Apparatus and methods are disclosed for providing a strap configured to be worn around a torso and situate a circuit offset from other garments worn by the strap user. For example, a torso strap can be provided that has an offset portion or lobe that situates a circuit offset from another portion of the torso strap. In some examples, a torso strap includes a narrower portion adapted to encircle the torso, a wider portion configured to situate a circuit at least partially offset from the narrower portion of the strap, a sensor coupled to a first surface of the strap, and a wire being in communication with the circuit and the sensor. In some examples, a method includes providing such an apparatus and using the apparatus to monitor health characteristics of the user, including pulse, heart rate, temperature, blood oxygen, velocity, displacement, attitude, time, or moisture.

Abstract: Intravascular diagnosis apparatus and methods are disclosed. In one aspect of the disclosed technology, a monitoring guidewire includes a core wire having or made of one or more of MP35N, L605, Elgiloy, and an alloy of nickel, cobalt, molybdenum and chromium, a sensor disposed in a distal region of the core wire, and a housing substantially coextensive with the core wire and surrounding the core wire, the housing being more flexible than the core wire for at least the distal portion of the housing.

Abstract: A catheter includes: an elongate, flexible tube comprising at least one electrode for carrying out a diagnosis or therapy in a human body, the at least one electrode being arranged at an end region of the tube and an electrical terminal being attached to an other end region of the tube for electrically connecting the catheter to a control device. The at least one electrode and the electrical terminal are electrically conductively connected to one another by conductive tracks on a reversibly elastically extensible printed circuit board. The extensible printed circuit board forms a lateral surface of the catheter.

Abstract: Systems and methods are presented for a swallowable pH sensor made entirely of edible and digestible materials. A substrate is provided and an electrical circuit pattern is printed on a top surface of the substrate. The electrical circuit pattern includes a plurality of interdigitated electrodes and an antenna portion. The substrate is rolled into a cylindrical form such that the interdigitated electrodes are positioned on an outermost layer of the rolled substrate. The rolling of the substrate also causes the antenna portion of the electrical circuit pattern to form into a coil shape.

Abstract: Elongated conductors are provided. Aspects of the elongated conductors include: an elongated structure having a proximal region and a distal region, where the elongated conductor includes two or more insulated conducting members that are in fixed relative position along at least a portion of the elongated structure and extend from the proximal region to the distal region. A pattern of insulation openings among the insulated conducting members is present at one or both of the proximal and distal regions. Aspects of the invention further include methods of making the elongated conductors, as well as devices that include the elongated conductors.

Abstract: A bio-feedback cup with bio-signal acquisition and feedback includes a cup body, a grip, a first electrode, a second electrode, a human-body temperature sensor module, a photoplethysmography (PPG) sensor module, a bio-signal acquisition module, and a bio-feedback module. The bio-signal acquisition module is electrically connected to the first electrode, the second electrode, a ground electrode, the human-body temperature sensor module and the PPG sensor module, and is configured to detect the user's cardiac signals with a built-in electrocardiogram (ECG or EKG) acquisition module. The bio-feedback module is electrically connected to the bio-signal acquisition module and is configured to instantly give the user corresponding bio-feedback by changing a pattern on a surface of the cup body, according to a physiological index and an extended cardiac index of the user.

Abstract: Sleep systems having embedded sensors are described. In one aspect, a sleep system includes a mattress and one or more force sensors embedded within the mattress. The force sensors are positioned within the mattress to sense movement of an occupant of the mattress. The sleep system also includes one or more processors coupled with the one or more force sensors. At least one of the processors is configured to determine sleep state information for the occupant based on data obtained from one or more of the force sensors.

Abstract: Methods and systems are provided for lowering power consumption in an optical sensor, such as a pulse oximeter. In one example, a method for an optical sensor includes illuminating a light emitter of the optical sensor according to set sensor parameters, the sensor parameters set based on hardware noise or external interference characterization and light transmission or reflection of a tissue contributing to a signal output by the optical sensor, the sensor parameters including current drive parameters of the light emitter, and adjusting the current drive parameters of the light emitter to maintain a target signal to noise ratio of the signal output by the optical sensor.

Abstract: An apparatus for estimating bio-information includes: a sensor configured to obtain a bio-signal from an object; and a processor configured to obtain a second-order differential signal of the bio-signal, to detect at least one of an inflection point in a predetermined period of the second-order differential signal, and a zero-crossing point in the predetermined period of the second-order differential signal, to extract a feature based on the detected at least one of the inflection point and the zero-crossing point, and to estimate bio-information based on the extracted feature.

Abstract: Systems are provided for generating data representing electromagnetic states of a heart for medical, scientific, research, and/or engineering purposes. The systems generate the data based on source configurations such as dimensions of, and scar or fibrosis or pro-arrhythmic substrate location within, a heart and a computational model of the electromagnetic output of the heart. The systems may dynamically generate the source configurations to provide representative source configurations that may be found in a population. For each source configuration of the electromagnetic source, the systems run a simulation of the functioning of the heart to generate modeled electromagnetic output (e.g., an electromagnetic mesh for each simulation step with a voltage at each point of the electromagnetic mesh) for that source configuration.

Abstract: Glucose-related alarms may be generated based on glucose predictions, which may be short-to-medium term. The glucose predictions, in turn, may be computed based on a multiplicity of input data sources which may be indicative of the current and future states of the user, as well as the user's infusion pump and overall glucose management system. The input data may include, e.g., meal information, motion/exercise information, insulin information, glucose, and pump- and sensor-related metrics. In addition, the computed glucose predictions may be based on the system's expected insulin-delivery response. The computed glucose predictions inform the determination as to whether, when, and how, to sound a certain glucose alarm, or display a certain glucose alert to the user.

Abstract: A state estimation apparatus includes a processor configured to estimate, from first test information obtained as a result of a first test conducted on a test target, second test information indicating a result of a second test, whether to conduct the second test being determined on a basis of a result indicated by the first test information, and estimate a state of the test target from the estimated second test information and the first test information.

Abstract: The methods and apparatus disclosed herein can diagnose or identify a subject as at risk of having one or more developmental disorders with fewer questions, decreased amounts of time, and determine a plurality of developmental disorders, and provide clinically acceptable sensitivity and specificity in a clinical environment. The methods and apparatus disclosed herein can be configured to diagnose or determine the subject as at risk of a developmental disorder among a plurality of developmental disorders, and decreasing the number of questions presented can be particularly helpful where a subject presents with a plurality of possible developmental disorders. A processor can be configured with instructions to identify a most predictive next question, such that a person can be diagnosed or identified as at risk with fewer questions.

Abstract: A biological information measuring apparatus includes a processor. The processor is configured to obtain information, and if the obtained information indicates that a condition is currently not suitable for measuring biological information of a living body wearing a body of the apparatus, output a guide to a suitable condition for measuring the biological information of the living body.

Abstract: This disclosure describes, among other features, systems and methods for using multiple physiological parameter inputs to determine multiparameter confidence in respiratory rate measurements. For example, a patient monitoring system can programmatically determine multiparameter confidence in respiratory rate measurements obtained from an acoustic sensor based at least partly on inputs obtained from other non-acoustic sensors or monitors. The patient monitoring system can output a multiparameter confidence indication reflective of the programmatically-determined multiparameter confidence. The multiparameter confidence indication can assist a clinician in determining whether or how to treat a patient based on the patient's respiratory rate.

Abstract: Fifteen radiation tubes are arranged in a radiation source of the mammography apparatus. An irradiation field limiter includes a plate-like member having a plurality of through holes that function as irradiation openings. Adjacent through holes are arranged at an interval of one radiation tube. In the plate-like member, the position of the through holes which are irradiation openings are moved to a first set position in a case in which radiation is emitted from first radiation tubes which are some of three or more radiation tubes and a second set position in a case in which the radiation is emitted from second radiation tubes different from the first radiation tubes among the three or more radiation tubes. Therefore, one through hole is shared by two radiation tubes.

Abstract: Fifteen radiation tubes are arranged in a radiation source of the mammography apparatus. An irradiation field limiter has a plurality of first irradiation opening portions which are provided in an X direction and each of which is configured by a pair of a first opening and a second opening facing each other in an irradiation direction of radiation and defines an irradiation field of the radiation. The irradiation field limiter includes a first rotating member that is rotated to a first rotation position and a second rotation position about a rotating shaft parallel to the X direction. At the first rotation position and the second rotation position, the first irradiation opening portions which are arranged at an interval of one radiation tube face the radiation tubes in the irradiation direction. The first irradiation opening portions deviate from each other in the X direction.

Abstract: A suspension system for a personal radiation garment includes a ceiling mount having a flanged drop tube extending vertically, and at least one extension arm that rotates horizontally via bearing joints. A suspension assembly having at least one hoist is positioned along the distal end of the outermost extension arm, and a garment coupler is connected to a cable extending from the hoist. Each of the one or more hoists include an adjustable tensioning mechanism that is controlled manually or by a motor having a controller and a switch.

Abstract: Imaging systems and methods estimate poses of a fluoroscopic imaging device, which may be used to reconstruct 3D volumetric data of a target area, based on a sequence of fluoroscopic images of a medical device or points, e.g., radiopaque markers, on the medical device captured by performing a fluoroscopic sweep. The systems and methods may identify and track the points along a length of the medical device appearing in the captured fluoroscopic images. The 3D coordinates of the points may be obtained, for example, from electromagnetic sensors or by performing a structure from motion method on the captured fluoroscopic images. In other aspects, a 3D shape of the catheter is determined, then the angle at which the 3D catheter projects onto the 2D catheter in each captured fluoroscopic image is found.

Abstract: Provided herein are devices and methods generating a panoramic rendering of a subject's teeth. Methods and processes are provided to image the subject's teeth with a dental scan. Methods and processes are also provided to automatically 3D render the subject's teeth with the scan images. Methods and apparatuses are also provided to generate simulated panoramic views of the subject's dentition from various perspectives.

Abstract: A radiographic imaging apparatus includes: an effective pixel area including a plurality of detection areas, in each of which a first pixel including a photoelectric conversion element and a second pixel including a light-blocking element are provided; a plurality of signal processing units that are provided so as to correspond to the plurality of detection areas and each process, for a corresponding one of the detection areas, an output signal from the first pixel and an output signal from the second pixel provided in the corresponding one of the detection areas; and a correction unit that makes, for each signal processing unit among the plurality of signal processing units, a correction to the output signal from the first pixel processed by the signal processing unit, by using the output signal from the second pixel processed by the signal processing unit.

Abstract: A mobile medical imaging device that allows for multiple support structures, such as a tabletop or a seat, to be attached, and in which the imaging gantry is indexed to the patient by translating up and down the patient axis. In one embodiment, the imaging gantry can translate, rotate and/or tilt with respect to a support base, enabling imaging in multiple orientations, and can also rotate in-line with the support base to facilitate easy transport and/or storage of the device. The imaging device can be used in, for example, x-ray computed tomography (CT) and/or magnetic resonance imaging (MRI) applications.

Abstract: The present disclosure relates to a method, system and non-transitory computer readable medium. In some embodiments, the method includes: acquiring image data of a target subject positioned on a scanning table of an imaging device; determining, by a processor, first position information of the target subject by inputting the image data into a first machine learning model, the first position information of the target subject including a posture of the target subject relative to the imaging device; determining, by the processor, second position information related to a scan region of the target subject by inputting the image data into a second machine learning model, the second position information including a position of the scan region relative to the scanning table and the imaging device; and causing the imaging device to scan the target subject based on the first position information and the second position information.

Abstract: A calibration method of an X-ray measuring device includes: mounting a calibration tool on a rotating table; a moving position acquisition step of parallelly moving a position of an j-th sphere with respect to a position of a first sphere, irradiating the calibration tool with an X-ray, and acquiring, form an output of an X-ray image detector, a moving position Mj where the magnitude of a differential position Erj of a centroid position ImDisjh_Sphr_j of a projected image of the j(2?j?N)-th sphere with respect to a centroid position ImDis1_Sphr_1 of a projected image of the first sphere becomes equal to or less than a specified value Vx; a relative position calculation step of performing the moving position acquisition step on the remaining spheres a feature position calculation step; a transformation matrix calculation step; a rotation detection step; a position calculation step; and a center position calculation step.

Abstract: A tissue biopsy system includes a biopsy device, a display, and a processing unit in communication with the biopsy device and the display. The biopsy device includes a handle body, a transducer, and a needle. The transducer is disposed within the handle body. The needle is configured to be deployed from the handle body and into tissue. The display is configured to display an ultrasound image of the tissue based on data collected by the transducer. The processing unit is configured to identify an area of interest, located in the tissue, based on the ultrasound image and visually indicate the area of interest on the display.