Abstract: A caliper type device is provided for identifying the cranial midline on a patient. The device includes a pair of arms have first ends for receipt in a patients ears, and opposite, pivotally connected second ends which allow the arms to open and close to fit to different sized heads of various patients. A housing at the second end of the arms holds a laser pointer or other tool for identifying the cranial midline after the device is positioned on the patients head.

Abstract: An apparatus includes a handle assembly, a shaft assembly, an end effector, and an auto-tensioning feature. The handle assembly includes a body and a plunger. The shaft assembly includes an external sheath that is fixed to the handle body and an interior shaft that is coupled to the plunger. The interior shaft is slidable relative to the external sheath. The end effector is configured to encompass a bodily lumen and includes a flexible member extending distally from the interior shaft. A first coupling element is fixed to the distal tip of the flexible member. A second coupling element is fixed to the external sheath. The first and second coupling elements are magnetically attracted to each other and are biased toward each other such that the flexible member defines an adjustable loop. The auto-tensioning feature is configured to bias the plunger portion proximally relative to the handle body.

Abstract: A measurement device that allows all users to conveniently and discreetly determine appropriate general footwear measurements at any age is disclosed. The device may include a housing having a contact edge configured to receive the heel or a first side edge of the user's foot, a retractable tape configured to extend outwardly from the housing, and a toe flange proximate the distal end of the retractable tape that is configured to receive the toe or a second side edge of the user's foot. The retractable tape may have indicia of barleycorn units of measurement that can easily be used to determine footwear sizes (length and width) in English speaking countries.

Abstract: Apparatus, systems, and methods are provided for measuring and analyzing movements of a body and for communicating information related to such body movements over a network. In certain embodiments, a system gathers biometric and biomechanical data relating to positions, orientations, and movements of various body parts of a user performed during sports activities, physical rehabilitation, or military or law enforcement activities. The biometric and biomechanical data can be communicated to a local and/or remote interface, which uses digital performance assessment tools to provide a performance evaluation to the user. The performance evaluation may include a graphical representation (e.g., a video), statistical information, and/or a comparison to another user and/or instructor. In some embodiments, the biometric and biomechanical data is communicated wirelessly to one or more devices including a processor, display, and/or data storage medium for further analysis, archiving, and data mining.

Abstract: A device for measuring the height of an individual subject, which includes an elongated body member having a front surface which visually displays units of measure, i.e., inches, each measuring unit being divided into fractions of the measuring unit which are depicted on the front surface. The body member is attachable to a vertical wall surface above a generally horizontal floor surface by any known means, such as by attaching a pair of steel bars to the wall surface, and attaching, or preferably embedding, a plurality of rare earth magnets to the body member, i.e., about two magnets for each steel bar. A height indicating guide member is releasably and slidably attached to the body member by a metal strip being embedded and hidden from view into a side of the body member, and several rare earth magnets, preferably four, being attached, or preferably embedded into a side surface of the guide member. The slidable guide member has an outwardly extending height indicating member attached thereto.

Abstract: Apparatus, systems, and methods are provided for measuring and analyzing movements of a body and for communicating information related to such body movements over a network. In certain embodiments, a system gathers biometric and biomechanical data relating to positions, orientations, and movements of various body parts of a user performed during sports activities, physical rehabilitation, or military or law enforcement activities. The biometric and biomechanical data can be communicated to a local and/or remote interface, which uses digital performance assessment tools to provide a performance evaluation to the user. The performance evaluation may include a graphical representation (e.g., a video), statistical information, and/or a comparison to another user and/or instructor. In some embodiments, the biometric and biomechanical data is communicated wirelessly to one or more devices including a processor, display, and/or data storage medium for further analysis, archiving, and data mining.

Abstract: Systems and methods are provided for treating cervical and/or uterine cancers in brachytherapy with an intracavitary brachytherapy applicator. The system comprises a tandem adapted for insertion into a cervix of a patient. An ovoid assembly comprises first and second inflatable ovoids and an ovoid support mechanism. The first and second inflatable ovoids are adapted for insertion within fornices of a patient. First and second retractors are adapted to be coupled to the ovoid assembly. The first retractor is adapted to be positioned to retract the bladder of a patient during treatment. The second retractor is adapted to be positioned to retract the rectum of a patient during treatment. The tandem and the first and second inflatable ovoids are adapted to be coupled to a radioactive source to deliver an implant radiation dose suitable for cancer treatment at a cancerous cervical treatment site in a patient.

Abstract: The present invention relates generally to the field of orthopedics, and more particularly to a pelvic referencing guide and methods of using the guide in orthopaedic surgery, specifically total hip arthroplasty.

Abstract: A method of measuring changes in hair movement characteristics, predictive of consumer response includes: i) providing an apparatus for measuring hair movement characteristics of hair; ii) measuring the hair movement characteristics using the apparatus to obtain a first hair movement characteristic; iii) applying a treatment to the hair or an assault to the hair; iv) measuring the hair movement characteristics using the apparatus after step iii) to obtain a second hair movement characteristic; v) comparing the first hair movement characteristic and the second hair movement characteristic; and vi) assessing a change in movement occurring as a result of the application of the treatment or the assault.

Abstract: Devices and methods for simultaneously measuring, in real time: 1) volumetric changes of a mammalian breast due to milk production and output, and 2) breast temperature, are provided. The devices are generally sensors which can be disposed within a wearable garment such as a bra.

Abstract: A system comprising a machine-readable storage medium storing at least one program and a computer-implemented method for collecting body measurements of a human user using a body measurement garment is provided. The body measurement garment comprises a plurality of sensors configured to produce a set of output data. The method may include receiving the set of output data from the body measurement garment and determining a plurality of body measurements from the output data. The method may further include generating a body shape model representing the shape of the body of the user. The method may also include generating a garment fit model representing the fit of a garment on the human user.

Abstract: Disclosed are systems and techniques for extracting user body shape (e.g., a representation of the three-dimensional body surface) from user behavioral data. The behavioral data may not be explicitly body-shape-related, and can include shopping history, social media likes, or other recorded behaviors of the user within (or outside of) a networked content delivery environment. The determined body shape can be used, for example, to generate a virtual fitting room user interface.

Abstract: A device for measuring a height of a child standing on a floor includes a track member attached to a wall, a mirror to keep the attention of the child during the measuring process, and a visible scale and a carriage, each attached to the track member, with the carriage being vertically movable along the track member. When a measurement surface of the carriage is held against a top of the head of the child, an indicator on the carriage points to a location on the visible scale indicating the height of the child.

Abstract: Systems and methods use a three-dimensional snapshot of an infant, child, adolescent, or adult where the subject may have bent legs and an unaligned head position, to provide an estimate of human length. The system identifies anatomical features from the digital information and generates a virtual skeleton. The cumulative distances between pseudo-joints of the virtual skeleton provide an estimate of human length. Comparing length estimates from multiple three-dimensional snapshots of the same individual acquired over time provide an indication of growth of the infant, child, or adolescent. Daily estimates of length can detect growth faltering sooner than less frequent estimates of length, which can lead to timely intervention.

Abstract: This invention is related to the device used in the valve sparing aortic root replacement which is a special operation aimed at the root of the main vessel—aorta originating from the heart or known as ‘David Procedure’ (Re-implantation technique) in the literature.

Abstract: Provided herein are systems, devices, assemblies, and methods for localization of one or more tags in a patient.

Abstract: A sports training aid comprising a body unit, attachable to a person's body or the person's sports implement, is provided with a positioning sensor module; a feedback stimulator; and a processor. The sports training aid is configured to provide instantaneous feedback on motion faults of a studied sports motion, and the body unit is intended to be attached to a person's body (or a person's sports implement) at a representative location, the location being bound to travel a path representative of the studied sports motion, and the positioning sensor module comprises acceleration sensors and gyro sensors. The processor is configured to determine a still position corresponding to an event wherein the body unit is determined to be still, to keep track of the sensor module's movements relative to the still position, and to activate the feedback stimulator in real time, upon detection of a sports motion fault.

Abstract: The disclosure provides apparatus and methods of use pertaining to a prosthetic finger assembly. In one embodiment, the assembly includes a coupling tip and a distal ring coupled with the coupling tip. The assembly further includes a proximal ring coupled with the distal ring. A rocker formed in a Y-shape with a first end forming a single prong and a second end forming a split prong may extend between the coupling tip and the proximal ring. The coupling tip, distal ring, proximal ring, and Y-shaped rocker may all be hingedly connected such that movements of the residual finger within the proximal ring and the distal articulate the distal ring together with the rocker to curl and bend the coupling tip. Other embodiments are also disclosed.

Abstract: A device configured to provide a faster and more accurate measurement of depths of holes for placement of bone screws and fastener for bone implant fixation procedures. The device includes a combination of a bone probe for physical examination of a hole drilled in a bone and a depth gauge member for determining a depth of the hole and providing digital measurement of the depth via a display on the instrument and/or via a wireless exchange of measurement data to a remote computing device, such as a tablet or smartphone. The device may further be connected to a separate neuromonitoring device and be used for nerve sensing and/or nerve stimulation by way of the bone probe. For example, the bone probe may include a conductive material such that the distal probe tip acts as an extension of the neuromonitoring device and may be used to sense and/or stimulate nerves.

Abstract: Disclosed are a method, an electronic device, and a storage medium of gesture recognition.

Abstract: A surgical sizer for creating a tissue pocket for an implantable medical device may include a replica of the device and a (preferably ergonomic) handle portion, optionally with marking features that facilitate marking the tissue for precise implant placement and alignment.

Abstract: Devices, systems, and methods are provided for ligament repair procedures, and can be used to establish a location and trajectory for forming a bone tunnel in bone. One exemplary embodiment of a surgical guide for using in a ligament repair procedure includes a guide arm and a carriage that can be selectively locked along the guide arm to define an angle of the bone tunnel. The guide arm also defines a location of a distal end of the bone tunnel. In some embodiments the carriage is configured to have a bullet side-loaded into it, and the bullet can be used to define a location of a proximal end of the bone tunnel. The present disclosure also provides for a gage that limits the distance a drill pin that drills the bone tunnel can travel. A variety of other, devices, systems, and methods are also provided.

Abstract: Disclosed herein are various patient measurement devices having an extendable elongate body and a deployable arm rotatably coupled to the elongate body. The elongate body has a first body comprising a lumen defined along a length of the first body and a second body extendably disposed within the lumen of the first body. The deployable arm is rotatably coupled to an end of the second body and is rotatably movable between a retracted position and a deployed position. Also disclosed are various methods of using the device to take various range-of-motion measurements, other physical capability measurements, and anthropometric measurements.

Abstract: A method of performing dimensional metrology of an object (12) includes incorporating an Inertial Measurement Unit (IMU-18) with an elongate probe (20) in a portable metroprobe (10). A tip (22) of the probe (20) has an offset length (L) from an origin (26) of a coordinate system in the IMU (18) and position (X,Y,Z) thereof is correlated based on attitude (A,B,C) measurement of the IMU (18). The metroprobe (10) is transported in sequence to a complement of survey points (Pn) on the object (12) for measuring corresponding coordinates (X,Y,Z) thereof based on measured attitude (A,B,C) of the IMU (18).

Abstract: A method of performing dimensional metrology of an object (12) includes incorporating an Inertial Measurement Unit (IMU-18) with an elongate probe (20) in a portable metroprobe (10). A tip (22) of the probe (20) has an offset length (L) from an origin (26) of a coordinate system in the IMU (18) and position (X,Y,Z) thereof is correlated based on attitude (A,B,C) measurement of the IMU (18). The metroprobe (10) is transported in sequence to a complement of survey points (Pn) on the object (12) for measuring corresponding coordinates (X,Y,Z) thereof based on measured attitude (A,B,C) of the IMU (18).

Abstract: There is provided a device for collecting a breath portion from a patient for analysis, comprising a housing structure including an inlet port associated with a mask structure for receiving a portion of the patient's breath, at least one sensor operatively coupled to the inlet port for detecting one or more parameters regarding the patient's breath, at least one collection container for collecting a portion of the patient's breath received in the inlet port, at least one pump for pumping a selective portion of the patient's breath from the inlet port to the at least one collection container and a control system for controlling operation of the at least one sensor and at least one pump. The control system selectively operates the pump based on sensed parameters such as CO2 and/or pressure to collect breath samples.

Abstract: The present invention provides a system and method for evaluating Range of Motion of a subject. An aspect of the present invention proposes a system for evaluating Range of Motion of a subject, comprising markers attached to at least two joints of a body part of the subject respectively; an image capturing device for capturing images of the markers when the subject is doing an exercise with the body part attached with the at least two markers; and an evaluating device communicated with the image capturing device, wherein the evaluating device includes a determining unit configured to determine whether the exercise done by the subject is valid for the evaluation of Range of Motion of the body part of the subject, and a calculating unit configured to, if the exercise is valid, calculate the parameters related to Range of Motion of the body part of the subject according to the images related to the valid exercise.

Abstract: A cardiac electrotherapy device is described having an electrode lead set (100) and an instruction placard (140) having a set of medical guidance instructions (210) integrated with the electrode lead wire (160). The medical guidance instructions are printed on an elongated readable surface which is attached along its long edge to the electrode lead wire. The invention is particularly useful during cardiac emergencies involving pediatric or infant patients, whose medical dosage limits may be closely correlated with patient length.

Abstract: A machine learning model for predicting a size fit satisfaction for a variable size component is trained using at least sizing profiles of a plurality of items and feedbacks of subjects regarding sizing of the plurality of items. The machine learning model is used to determine a value for the variable size component that corresponds to an optimal predicted size fit satisfaction. The determined value of the variable size component is provided for use in creating a new item with a sizing variation based on the determined value.

Abstract: Provided is a three-dimensional magnetic sensor based finger motion capture interface device, including a back-of-hand fixing member; a finger wearing member; at least one link member which is disposed between the back-of-hand fixing member and the finger wearing member and includes at least one magnetic sensor; at least one fixing member which connects between a plurality of link members; and a controller which receives sensor coordinate values corresponding to the change of a magnetic line of force sensed by the at least one magnetic sensor, extracts pitch and yaw motions of each link member based on the received sensor coordinate values, and calculates a user's finger position based on the extracted pitch and yaw motion values.

Abstract: A method and apparatus for motion capture interface using multiple fingers are disclosed. The method includes measuring a position of an end of a middle finger of an actual hand in a state in which the actual hand is spread, deriving a starting reference position of the middle finger of the actual hand, and calculating a length of the middle finger of the actual hand. The method further includes recognizing a relationship between starting reference positions of a thumb, an index finger, a middle finger, and a wrist based on using a virtual hand reference model that models a virtual hand to be controlled.

Abstract: The technology disclosed herein is directed to an endoscope system. The endoscope system includes an endoscope, a sensor; and a controller. The controller is configured to control the endoscope. The controller includes one or more processors. The one or more processors is configured (i) to extract first feature points from a first image captured by the endoscope, (ii) to extract second feature points from a second image captured by the endoscope after acquisition of the first image, (iii) to estimate a first result of position and orientation of the endoscope based on the first feature points and the second feature points, (iv) to calculate a first estimation accuracy based on the first result. When the first estimation accuracy is greater than a predetermined value, the one or more processors utilizes the first result as position and orientation of the endoscope.

Abstract: A spinal repositioning instrument includes a first coupling body for direct or indirect coupling to a pedicle screw, and a second coupling body for direct or indirect coupling to another pedicle screw. The spinal repositioning instrument can perform a first movement and a second movement independent from the first movement Under the first movement, the coupling bodies perform a scissor-like pivoting about a first axis. Under the second movement, the coupling bodies rotate in opposite directions about respective second axes. The second axes are relatively fixed under the second movement. The spinal repositioning instrument can also include a synchronising transmission such that the rotations of the coupling bodies under the second movement are symmetrical to each other.

Abstract: A calculation device, a calculation method, and a non-transitory computer readable recording medium including a calculation program with which a length of a target region required for a body model can be determined by means of a simple motion are provided. This calculation device configures a wearable device to initiate measurement of a measurement target region. After the measurement of the measurement target region is initiated, a worker wearing the wearable device performs a motion such as rotation of an arm, for example, etc. The calculation device acquires measured information two or more times over time and calculates a body model on the basis of the acquired measured information.

Abstract: Systems, devices, and methods are provided for capturing and outputting data regarding a bodily characteristic. In one embodiment, a hardware device can operate as a stethoscope with sensors to detect bodily characteristics such as heart sounds, lung sounds, abdominal sounds, and other bodily sounds and other characteristics such as temperature and ultrasound. The stethoscope can be configured to work independently with built solid state memory or SIM card. The stethoscope can be configured to pair via a wireless communication protocol with one or more electronic devices, and upon pairing with the electronic device(s), can be registered in a network resident in the cloud and can thereby create a network of users of like stethoscopes.

Abstract: A device for measuring facial anatomical parameters is provided. The device has a vertical bar having a top portion, middle portion, and a bottom portion and a horizontal slide adjustably affixed to the vertical bar. It has a forehead positioner pivotably and adjustably affixed to the top portion of the vertical bar, wherein the forehead positioner receives a forehead of the patient, a first mirror adjustably affixed to the left portion of the horizontal slide, wherein the first mirror is slidable along the horizontal slide, and wherein the first mirror rotates around its own Y-axis, and a second mirror adjustably affixed to the right portion of the horizontal slide, wherein the second mirror is slidable along the horizontal slide. A measuring grid on or proximate both the first mirror and the second mirror, wherein the measuring grids allows an examiner to accurately measure a point of interest of the facial anatomic parameters.

Abstract: An apparatus includes a handle assembly, a shaft assembly, an end effector, and an auto-tensioning feature. The handle assembly includes a body and a plunger. The shaft assembly includes an external sheath that is fixed to the handle body and an interior shaft that is coupled to the plunger. The interior shaft is slidable relative to the external sheath. The end effector is configured to encompass a bodily lumen and includes a flexible member extending distally from the interior shaft. A first coupling element is fixed to the distal tip of the flexible member. A second coupling element is fixed to the external sheath. The first and second coupling elements are magnetically attracted to each other and are biased toward each other such that the flexible member defines an adjustable loop. The auto-tensioning feature is configured to bias the plunger portion proximally relative to the handle body.

Abstract: This invention will allow men suffering from full and periodic erectile dysfunction to achieve, or at least assist in the process of achieving a firm and lasting erection. And, for all men, this device will be able to measure blood-flow to the penis, as well as increase sexual pleasure through micro-electronic stimulation to the penis (induce erection). Blood-flow data captured from devices' internal sensors will be processed by software and presented to users via a smart-phone app to provide useful, actionable, and customizable tasks to improve penile and overall sexual performance, health, and wellness.

Abstract: Systems and methods are provided for treating cervical and/or uterine cancers in brachytherapy with an intracavitary brachytherapy applicator. The system comprises a tandem adapted for insertion into a cervix of a patient. An ovoid assembly comprises first and second inflatable ovoids and an ovoid support mechanism. The first and second inflatable ovoids are adapted for insertion within fornices of a patient. First and second retractors are adapted to be coupled to the ovoid assembly. The first retractor is adapted to be positioned to retract the bladder of a patient during treatment. The second retractor is adapted to be positioned to retract the rectum of a patient during treatment. The tandem and the first and second inflatable ovoids are adapted to be coupled to a radioactive source to deliver an implant radiation dose suitable for cancer treatment at a cancerous cervical treatment site in a patient.

Abstract: The disclosure provides apparatus and methods of use pertaining to a prosthetic finger assembly. In one embodiment, the assembly includes a coupling tip and a distal ring coupled with the coupling tip. The assembly further includes a proximal ring coupled with the distal ring. A rocker formed in an H-shape with a first end forming a first split prong and a second end forming a second split prong may extend between the coupling tip and the proximal ring. The coupling tip, distal ring, proximal ring, and H-shaped rocker may all be hingedly connected such that movements of the residual finger within the proximal ring articulate the distal ring together with the rocker to articulate the coupling tip. Other embodiments are also disclosed.

Abstract: A device for measuring and/or marking height is disclosed. The device comprises a rear section, side sections coupled to the rear section. Further, the device comprises a front section coupled to the side sections. The side sections comprise a rod receiving section. Further, the device comprises a rod coupled to the rod receiving sections. The device comprises a paper wound onto the rod, in which one end is coupled to the rod. The device is coupled to a wall or a door at a height from the ground and free end of paper is pulled down to mark height of a user and the paper is made to retrieve into the device when not in use.

Abstract: This disclosure describes example techniques for personalized virtual look, fit, and animation of apparel, accessories, and cosmetics on a virtual representation of a user. The disclosure describes way to deliver an immersive 3D digital experience for style and fit. Processing circuitry of one or more computing devices may create the virtual representation of the user based on an image of the face of the user and a selected body type in real-time.

Abstract: An injectate delivery device for expanding tissue is provided. The injectate delivery device comprises: at least one fluid delivery tube comprising a proximal end, a distal end and a lumen therebetween; at least one fluid delivery element in fluid communication with the at least one fluid delivery tube lumen; a radially expanding element comprising the at least one fluid delivery element; a supply of vacuum constructed and arranged to cause tissue to tend toward the at least one fluid delivery element; and at least one control constructed and arranged to perform a function. The at least one control can be constructed and arranged to expand the radially expandable element and activate the supply of vacuum. Systems and method of injectate delivery are also provided.

Abstract: A device for measuring blind holes formed through a bone includes (a) a first elongated rod including a shaft extending from a proximal end to a distal end, the distal end including an increased diameter abutment extending radially outward therefrom, the abutment including a proximal surface formed to contact a portion of the bone adjacent a distal opening of the blind hole to assume a locked configuration with the bone and (b) a second elongated rod extending from a proximal end to a distal end along a longitudinal axis.

Abstract: Devices, systems, and methods for measuring the diameter of an airway in a human or animal subject are disclosed. The device comprises a flexible catheter body having a proximal end and a distal end. Flexible sizing elements are disposed along and extend approximately orthogonally from the catheter body. The sizing elements have different heights from one another and are configured to fit through the working channel of a bronchoscope. Devices, systems, and methods for redirecting airflow through a lung airway are also disclosed. The method comprises introducing into the airway a catheter comprising a distal end, a proximal end and an elongated portion therebetween, wherein the distal end comprises an airway closing mechanism, and wherein the proximal end comprises an actuator to actuate the airway closing mechanism; and actuating the airway closing mechanism to at least partially close the airway.

Abstract: The present disclosure provides apparatuses and methods for navigating a medical device into the body of a patient during an intracoronary or other medical procedure. In many embodiments, the present disclosure includes the use of a guidewire managing assembly that may be used in combination with a guidewire that includes a medical positioning system sensor. This guidewire managing assembly and sensor enabled guidewire are used in combination with a medical positioning system to determine the position of a medical device, such as a catheter or catheter sheath, and specifically the tip of the catheter or catheter sheath, that is threaded over the guidewire during a procedure. The present disclosure further relates to methods of tracking a medical device, such as a catheter tip, inside the body of a subject during a procedure.

Abstract: Embodiments described herein are directed to non-invasive detection of peripheral arterial disease. For example, a measuring apparatus is used to measure a patient's calf circumference. The measuring apparatus has text feature(s) or indicator(s) printed thereupon that indicate the likelihood that the patient has peripheral arterial disease based on the measured calf circumference. The assessment may be further refined by using a software application that assesses the likelihood of the patient having peripheral arterial disease using at least the calf circumference measurement, along with other information/data. Based on the assessment, a healthcare practitioner may prescribe a walking program for the patient to follow. A software application may track compliance of the walking program and provide escalating reminders to the patient if the patient continues to fail to comply with the prescribed walking program.

Abstract: Disclosed is a sensor measuring patient spine vertebra angular orientation, including: a fastener, adapted to be fastened on a specific patient spine vertebra in a unique orientation relative to the specific vertebra, a support, solidary with the fastener in a unique orientation relative to the fastener, a detector, removably secured to the support in a unique orientation relative to the support and adapted to measure one or more parameters representative of the patient spine vertebra angular orientation.

Abstract: Apparatus, systems, and methods are provided for measuring and analyzing movements of a body and for communicating information related to such body movements over a network. In certain embodiments, a system gathers biometric and biomechanical data relating to positions, orientations, and movements of various body parts of a user performed during sports activities, physical rehabilitation, or military or law enforcement activities. The biometric and biomechanical data can be communicated to a local and/or remote interface, which uses digital performance assessment tools to provide a performance evaluation to the user. The performance evaluation may include a graphical representation (e.g., a video), statistical information, and/or a comparison to another user and/or instructor. In some embodiments, the biometric and biomechanical data is communicated wirelessly to one or more devices including a processor, display, and/or data storage medium for further analysis, archiving, and data mining.

Abstract: A digital measurement instrument with excellent environmental durability and at least a conventional level of usability including a main scale, a slider movable relative to the main scale, a displacement sensor configured to detect displacement or position of the slider in relation to the main scale, and a control circuit. The control circuit controls change between a normal measuring mode and an origin setting mode. The control circuit also sets and stores a first area, the first area being a preset predetermined range outside of a measurement range. The control circuit also changes operation mode from the normal measuring mode to the origin setting mode when the slider is detected to have stopped within the first area for a consecutive predetermined period of time. Additionally, the digital calipers are provided with no mechanical push button switches.