Abstract: Embodiments of the invention include templates and methods for evaluating the appropriate size and shape for a medical implant. In particular, some embodiments include expandable templates and methods for evaluating appropriate size and shape for implantation of a spinal rod.

Abstract: A device for measuring an internal dimension of a native cardiac valve annulus includes an elongated support member having a proximal portion and a distal portion. A measuring portion is coupled to the distal portion, and an indicator is coupled to the proximal portion of the support member. The measuring portion is biased towards a deployed configuration such that when deployed it applies an outwardly directed radial force to the native valve annulus.

Abstract: A point-to-point measurement tool performs the measurement of the distance between the outside surfaces of the shoulders across the back of an individual, which is associated with tailoring custom clothing and utilized to determine both the top-of-sleeve points and used to assist in determining the sleeve length measurements in tailoring custom clothing. Various embodiment of the point-to-point measurement tool can be folded, collapsed, or broken down to enable increased portability and ease of storage of the tool.

Abstract: A disposable measuring device for use in measuring the width, height and depth of an intradiscal space is provided, the device including an elongated body having an upper surface, a lower surface, a proximal end and a distal end. The elongated body also has a first pair of members configured for receiving a first cursor slidably arranged for measuring a width dimension, a second pair of members configured for receiving a second cursor slidably arranged for measuring a height dimension; and a detachable stop operatively connected to the first pair of members and the second pair of members, the detachable stop insertable into at least one opening located at the proximal end of the elongated body, the detachable stop configured for measuring a depth dimension.

Abstract: The present invention provides tools and methods designed to aid in the placement of artificial facet joints at virtually all spinal levels. One aspect of the present invention is a measurement tool for installing an artificial cephalad facet joint including a fixation measurement element and a support arm element. This measurement tool assists in the selection and/or configuration of an artificial cephalad facet joint for implantation in a patient. Another aspect is a measurement tool for installing a caudad facet joint including a stem element and a trial caudad bearing surface element. This measurement tool assists in the selection and/or configuration of a caudad facet joint for implantation in a patient. Yet another aspect is a measurement tool holder including a measurement surface connected to a holder element. This tool holder assists in determining the measurements obtained with the caudad facet joint measurement tool.

Abstract: A neck measurement device (20) and a method of selecting a pillow (1, 41, 51) which takes into account the physique of the user are disclosed. A neck compression index (NCi) is calculated being the weight of the sleeper in kilograms divided by the shoulder width (ear to outer arm dimension) of the sleeper in centimeters. Preferably a compensated NCi is calculated which takes into account the softness or hardness of the mattress. A pillow resiliency is then selected based on the (compensated) NCi. Color coded pillow slips can be used to assist sleepers to self-select a pillow appropriate for their physique. Mail order and Internet based selling methods are disclosed.

Abstract: A caliper is arranged for applying predetermined constant pressure to a joint or other anatomy under measurement. The caliper includes an elongate housing, a first jaw connected to the housing, a second jaw slidably connected to the housing, the first and second jaws spaced apart by a predetermined minimum distance, and a constant force spring engaging the first and second jaws. The constant force spring biases the first and second jaws toward one another. A method includes using the caliper to measure anatomical dimensions.

Abstract: An apparatus for evaluating the tongue strength of a subject during a sucking event includes an insert positioned within a nipple element to provide an output in response to deformation of the nipple element during a sucking event. The output is at least one of resistive force exerted against the subject's tongue and movement measurement of deformation force exerted on the nipple element during the sucking event. The apparatus is configurable to evaluate nutritive sucking (NS) or non-nutritive sucking (NNS) capabilities of the subject. The insert may be a sensing device, a compliance element, an intermediate device or a combination of these. A coupling device is configured to position the insert relative to the nipple element and/or to receive output from the insert. A method includes evaluating tongue strength of a subject during NS or NNS and using inserts providing increasing levels of resistive force to exercise the subject's tongue.

Abstract: Systems and methods are discussed for providing sensor enhanced safety, recovery, and movement evaluation systems. Sensors that monitor user activity and behavior are worn by a user and/or placed in the user environment. Data from the sensors are processed to obtain a safety, recovery, and/or activity evaluation. Based on the evaluation, recommendations or adjustments to the terms of an insurance policy covering the user, the user's employer, or a facility providing health care to the user to accurately reflect the risks associated with the user, employer, and/or facility.

Abstract: A dimensioned grid apparatus for determining: 1) leg length, offset, and cup position during arthroplasty replacement surgery; 2) fracture reduction/correction position during trauma procedures and 3) an apparatus to be used for deformity correction planning is provided.

Abstract: The present invention is directed towards a device, method of using a device, and a method of making a device for predicting weight and/or the appropriate dose of a medication and/or degree of some other medical intervention in a child. The device includes one or more strips for taking a girth and a length measurement from an individual. The method includes adding or otherwise combining a value given by a girth measurement and a value given by a length measurement together to estimate the weight of the individual.

Abstract: An instrument for measuring a depth of a hole in bone can comprise an instrument body having a cannulated sleeve that extends between a first end and a second end. A first reference portion can be disposed at the first end and a second reference portion can be disposed at the second end. A probe can selectively and alternatively translate in first and second opposite directions through the cannulated sleeve between a first measuring position and a second measuring position. The probe extends outwardly a distance spaced from the first reference portion in the first measuring position and extends outwardly a distance spaced from the second reference portion in the second measuring position.

Abstract: The invention provides a method of measuring and identifying foot arch type according to footprint data. The method includes: obtaining a static standing footprint having a foot contour including lateral and medial contours; obtaining a lateral ball and lateral heel tangent points of the footprint, and a medial ball and a medial heel tangent point of the footprint; obtaining a ball and a heel mid-point; obtaining a foot center axial line and a foot perpendicular bisector; obtaining the length of a foot width Lf as the length of the foot perpendicular bisector, and the width a foot arch La; and calculating a foot type index FTI by dividing the width of the foot arch La by the length of the foot width Lf (FTI=La/Lf), and identifying a foot arch type of the footprint by the foot type index FTI.

Abstract: A wall mountable height measuring device to record development of height of a person comprises a board, a pair of vertical slits, at least one linear measurement scale, a horizontal frame and a leveling bar. The board includes a front surface, a rear surface, a left side and a right side. The pair of vertical slits is present at the left side and right side of the board. The horizontal frame can slide along the pair of slits. A middle portion of the horizontal frame includes a cut out. A housing present at the middle portion of the leveling bar is for holding the at least one date stamp. The at least one date stamp indicates the date at which the height measurement was taken.

Abstract: A method and a device are for determining the compatibility between an adapter, which is to be inserted into a third-party joint ball type to be replaced, and an outer cone of a prosthesis shaft of a modular joint prosthesis, which is inserted in the femur during revision surgery. A test body of a set of test bodies having various inner cones, comprising a marker and a length measuring scale, is fitted onto the outer cone of the shaft of the joint prosthesis and, subsequently, the adapter fitting on the outer cone of the joint prosthesis is determined by successively testing the inner cones for compliance with an admissible minimum distance between the front faces of the outer cone of the shaft of the joint prosthesis and the inner cone and for compliance with an admissible predefined insertion depth of the outer cone of the shaft of the joint prosthesis in the inner cone of the test body.

Abstract: A height recording device is provided for measuring and recording the growth of multiple individuals over a period of time. The device comprises a recording board, a sliding member and a head rod. The sliding member is slideably secured within a dovetail channel extending vertically along the record board. A spring-loaded bullet catch within the dovetail channel maintains the sliding member static position. A head rod is hingedly secured to the sliding member and may be positioned in a horizontal working position or a vertical storage position. On at least one side of the channel, a graduated measuring means is disposed. Workspace is provided on both lateral sides of the channel so that a user may make written recordings of height measurements, names, dates and other information. The dual workspaces provide users with ample space to make multiple recordings and thus it is ideal for families with multiple children.

Abstract: A method of imparting hair strand effects may include identifying each of a plurality of hair strands to which to apply a hair strand effect product independently and individually, the plurality of hair strands associated with an illustration of at least one type of hair strand effects and one of a plurality of hair styles, and applying the product to each of the plurality of hair strands independently and individually subsequent to identifying the plurality of hair strands. In the alternative or in combination, a hair instruction guide may be consulted, the guide having at least one strand size associated with one of the plurality of types of hair strand effects, and a strand of hair may be identified according to the at least one strand size. A system for creating a hair strand effect may include a hair strand effect product and such a hair instruction guide.

Abstract: A graft caliper provides for a first member having a first pick at its distal end and its proximal end attached to a handle. A second member of the graft caliper is disposed above the first member and has a second pick at its distal end that extends beyond the first pick. The proximal end of the second member is attached to an adjuster which causes the second member to move from a first position to a second position in order to change a distance the second pick extends beyond the first pick. The graft caliper provides for an indication of at least one metric for describing the distance the second pick extends beyond the first pick and places an identifier on a surface of bone representing the location of a tunnel to be formed through a femur, tibia or any other anatomical structure.

Abstract: A system and method for knee arthroplasty procedures, using a novel leg rotation fixture to enable the leg mechanical axis, the tibia and the femur to be mutually disposed such that the load bearing, mechanical axis of the leg runs through the center of the knee joint. A measurement gauge is provided for mounting on the tibia and for aligning a baseplate in a known position on the tibia. This baseplate supports an X-ray target plate in a known position relative to the tibia, used in determining the mechanical axis, and an optional surgical robot, used to perform tibial and femoral cuts. The position of the femur relative to the robot may be determined from X-ray imaging of the pelvic region after attachment to the baseplate of an additional target extending to the pelvic region. The system enables improvement in the accuracy of knee arthroplasty procedures.

Abstract: A device for measuring a length of a cervix includes an elongate measurement member, a hollow member, a flange, a handle, and a locking mechanism. The elongate measurement member extends along a longitudinal axis and includes a measurement scale thereon. The hollow member is coaxial with and disposed over the elongate measurement member. The flange is offset from the longitudinal axis and attached to a distal end of the hollow member. The handle is attached to a proximal end of the measurement member. The locking mechanism is configured, when locked, to fix the hollow member relative to the measurement member and, when unlocked to allow the hollow member to slide along the measurement member and rotate about the longitudinal axis so as to place the flange in a desired position without moving the measurement scale.

Abstract: Apparatus for measuring bone depth for determining the length of fastener to be employed in medical treatment of the bone includes an elongated inner bone probe having a bone-engaging portion and a plurality of first manually-engageable elements secured thereto. An outer sleeve overlies at least a portion of the inner bone probe and is movable with respect thereto. A second manually-engageable element is secured to the outer sleeve. The first and second manually-engageable elements may be generally ring-shaped, so as to facilitate insertion of a user's fingers. The apparatus is structured to have the bone-engaging portion of the inner bone probe pass through an opening in the bone and engage the distal exterior surface in intimate contact as a result of the first manually-engageable elements being engaged and urged away from the bone. The outer sleeve is moved generally toward the bone so as to achieve contact between the distal end of the outer sleeve and the proximal exterior surface of the bone.

Abstract: A Perineal elasticity meter having a circular central stem marked with millimeter markings and a sleeve portion surrounding the circular stem. Hinges connect the sleeve to expanders that extend from the circular stem. The perineal elasticity meter is configured to be inserted into the vagina of a patient in order to measure the elasticity of the perineal area. The sleeve includes an opening that shows a circumferential measurement achieved by the expansion of the expanders, as the sleeve moves along the central stem. Another perineal elasticity meter includes two stems connected via a hinge at a proximal portion of the stems. The proximal portions of the stems are configured to be inserted into the vagina of a patient and a measurement is taken of a distance between the expanded distal portion of the stems, thereby measuring the elasticity of the perineal area.

Abstract: A diagnostic tool including a first arm and a second arm, a top surface of the first arm comprising a graphical ranking guide comprising a plurality of images that graphically illustrate at least a portion of rank classifier indicia for a classification system comprising a plurality of ranks, each of the images corresponding to at least one of the ranks.

Abstract: A caliper to measure foot length and corresponding category of birth weight group by four colors used on the measuring scale namely. Green as normal, yellow as low, orange as very low and red as extremely low birth weight is devised for the first time to be used at the community level. A metal caliper with concavity to accommodate convexity of the heel and sliding device perpendicular to the scale to touch the longest toe fix the two extreme ends. Thus direct measurement is possible between two extreme ends of the foot.

Abstract: A bone cutting template is disclosed and can include a body. A plurality of grooves can be formed along the body and each groove can correspond to an incremental length of the body. The bone cutting template can include a plurality of length stamps along the body. Each of the plurality of length stamps can be adjacent to a corresponding groove.

Abstract: A system for control of a device includes at least one sensor module detecting orientation of a user's body part. The at least one sensor module is in communication with a device module configured to command an associated device. The at least one sensor module detects orientation of the body part. The at least one sensor module sends output signals related to orientation of the user's body part to the device module and the device module controls the associated device based on the signals from the at least one sensor module.

Abstract: A hair measuring assembly capable of being operated by a single hand of a user and including a collection assembly, including a hair retaining and measuring portion movably mounted on a body and selectively disposable between a collecting position and a retaining and measuring position. The single handed manipulation of a hand grip, concurrently disposes a plurality of two grip segments into either an open or a closed orientation, thereby forcing the hair retaining and measuring portion between the collecting and hair retaining and measuring positions. A “single use” cartridge for carrying out the collection, retention and measurement of hair and also hair breakage is presented. The “single use” cartridge includes suitable structure for mounting and operable attachment to the hair measuring assembly by a person, without regard to whether he or she is left-handed or right-handed.

Abstract: This disclosure relates to cervical sizing devices and related kits and methods. In some aspects, a cervical sizing device includes an elongate arm and a member positioned at a distal end region of the elongate arm. The cervical sizing device can be used to determine an approximate size of a cervix when the member is brought into contact with an outer surface of the cervix.

Abstract: A wall mountable height measuring device to record development of height of a person comprises a board, a pair of vertical slits, at least one linear measurement scale, a horizontal frame and a leveling bar. The board includes a front surface, a rear surface, a left side and a right side. The pair of vertical slits is present at the left side and right side of the board. The horizontal frame can slide along the pair of slits. A middle portion of the horizontal frame includes a cut out. A housing present at the middle portion of the leveling bar is for holding the at least one date stamp. The at least one date stamp indicates the date at which the height measurement was taken.

Abstract: A tape measuring device for determining bra sizes has band dimension and bra size markings on the outer surface of the tape. The band dimension markings divide a section of the surface by standard units and subunits of band size. The band size markings on the outer surface allow the user to determine the proper band size for a bra based on a single measurement, without the need for any additional calculations or correlations. The bra size markings on the outer surface allow the user to directly determine the proper cup and overall bra size based on the band size determination, again without the need for any additional calculations or correlations.

Abstract: The invention relates to a form of a passive or active annunciator that solves the problem of reminding a caregiver to reposition a patient at risk for aspiration usually located in an adjustable bed to some predetermined angular position. The annunciator may take the form of an inclinometer (100) that measures the angle of the bed (160) relative to a local gravity reference or a goniometer that measures the angle between the horizontal (140) and elevated portions (130) of the bed. The invention reminds the caregiver of the patient at risk for aspiration to maintain or reestablish the elevation of the torso of the patient at risk for aspiration to at least 30 degrees up to 45 degrees above the local horizontal to prevent or reduce the incidence of aspiration.

Abstract: The present disclosure relates to a device, a fitting bra for making measurements for a customized bra. In addition, the method may include first selecting an underwire size, measuring an across cup dimension to provide an across cup measurement, measuring a center distance to provide a center distance measurement, and measuring a back dimension to provide a back measurement. The method may also include selecting a fitting bra based on the selected underwire size. Further a system is contemplated for providing a customized bra.

Abstract: A body limb measurement device (10) comprising a track (12), a cart (14), and a laser source (16) fixedly attached to the cart. The cart is capable of linearly moving along the track. The device can further include a vertical support (18) having a pivot (20), and the track can comprise a pivot receiver (22), wherein the pivot receiver (22) is rotatably attached to the pivot (20). The track (12) can include units of length measurement (24) embedded therein. The cart (14) can include a reference point (26) to correspond to the units of length measurement, to track the cart's position on the track (12). A method of measuring a body part (28) comprising the steps of moving the cart (14) along the track (12) to measure the distance between a first edge (32) and a second edge (34) of the body part (28).

Abstract: Methods and apparatus for aligning two or more longitudinally space parts of a body, such as leg bones, prior to and/or during a surgical procedure using a laser light guide assembly are described. The apparatus may have a saddle for attachment to a specific body part, and comprises a first horizontally rotatable structural member pivotably secured to the saddle or other support means, and a second rotatable structural member aligned vertically and perpendicular to the first structural member. A laser light guide which includes a laser is attached to the second structural member, the laser capable of generating a laser light beam of sufficient strength and intensity to allow for alignment of the body parts prior to and during a surgical procedure.

Abstract: A breast implant selector system including a breast width selector for selecting breast width input information, a breast tissue type selector for selecting breast tissue type input information in response to breast width input information selected with the breast width selector, and an implant size selector for selecting implant size input information in response to the breast tissue type input information selected with the breast tissue type selector. A result indicator provides a result characterizing at least one suggested breast implant as a function of the input breast width, breast tissue type, and implant size input information.

Abstract: An arrangement comprises a housing containing one or more components configured for at least one of body fluid sampling and analysis. The arrangement includes a housing containing one or more components configured for at least one of body fluid sampling and analysis, and a body attachment element. The housing and the body attachment element are connected by a quick-release mechanism configured to facilitate removal of the housing from the body attachment element.

Abstract: A device for measuring a length of a cervix includes an elongate measurement member, a hollow member, a flange, a handle, and a locking mechanism. The elongate measurement member extends along a longitudinal axis and includes a measurement scale thereon. The hollow member is coaxial with and disposed over the elongate measurement member. The flange is offset from the longitudinal axis and attached to a distal end of the hollow member. The handle is attached to a proximal end of the measurement member. The locking mechanism is configured, when locked, to fix the hollow member relative to the measurement member and, when unlocked to allow the hollow member to slide along the measurement member and rotate about the longitudinal axis so as to place the flange in a desired position without moving the measurement scale.

Abstract: A point-to-point measurement tool performs the measurement of the distance between the outside surfaces of the shoulders across the back of an individual, which is associated with tailoring custom clothing and utilized to determine both the top-of-sleeve points and used to assist in determining the sleeve length measurements in tailoring custom clothing. Various embodiment of the point-to-point measurement tool can be folded, collapsed, or broken down to enable increased portability and ease of storage of the tool.

Abstract: Systems and techniques for implanting medical devices. In one aspect, an apparatus includes a flexible base member that can be flexed manually to conform to a contour of an anatomy, the base member including a radioscopic indicium that has a characteristic such that, under radioscopic imaging, passage of a skin-penetrating electromagnetic radiation is hindered to an extent that is distinguishable from a hindrance of the electromagnetic radiation by another portion of the base member.

Abstract: A device for measuring anatomic angles with two arms and a fastener for securing them together at one end providing a pivot. One arm has degree markings around the pivot and the other has a marker to indicate the angle between the two. One or both arms have a method for extending and contracting their length. The device is sufficiently small and light to allow ease of portability in a clothing pocket. In a preferred embodiment the arms are made of thin, clear, light plastic to allow ease of portability as well as inexpensive manufacture. In another preferred embodiment the arms are made of metal, or other heat-resistant material, to allow autoclave sterilization for use during surgery. In a further preferred embodiment the method to allow extension and contraction of one or both arms is by affixing thin, tubular, telescoping metal sleeves to one or both arms.

Abstract: A method of recording data relating to the posture of a subject and assessing the data so as to categorize said data into activities, including sitting, walking and standing. The method comprises sensing the movement of the thigh by use of a single sensor; recording the movement of the thigh; and processing the data so as to classify the data into discrete ones of said activities.

Abstract: A femoral gauge for sizing a femoral head implant and locating osteophytes or structural abnormalities comprising a gauge portion, the gauge portion having a concave gauge surface and an opposing back surface, the gauge surface defined by a pair of opposing lengthwise sides and a pair of widthwise sides, the gauge surface having a substantially spherical contour, the spherical contour sized for selection of a correspondingly sized femoral head implant, and a handle portion extending from the gauge portion, the handle portion positioned and configured for use in positioning the gauge surface. A plurality of different sized gauges can be provided. Areas of potential infringement can be located by rotating the femoral gauge around the juncture of the natural or implant femoral head and the natural femoral neck. Areas of impingement are removed until the femoral gauge can be rotated around the juncture without lifting off of the femoral head.

Abstract: A trunk width measuring unit including a first contact portion attached movably in the vertical direction relative to a unit main body, the first contact portion to be brought into contact with an upper surface of a trunk of a subject, second and third contact portions attached movably in the horizontal direction relative to the unit main body, a vertical width detection encoder for detecting a lowering distance of the first contact portion from an original position on the upper side of the trunk of the user to a contact point with the upper surface of the trunk, and a horizontal width detection encoder attached movably in the horizontal direction relative to the unit main body by the same distance as a moving distance of the second contact portion, the horizontal width detection encoder detecting a moving distance of the third contact portion relative to the second contact portion.

Abstract: A hand held device (10) for measuring automatically the Hormonal Quotient and correlated hormonal status of an individual, providing a measure of index finger for ring finger. The device (10) includes a base (30) upon which a concentrically arranged disc (40) is rotatable mounted by a central fastener (11). The base (30) carries a ruler face (32), a first finger-length logarithm scale (36), a Hormonal Quotient logarithm scale (38) and an arrow indicator of the gonadal hormone exposure index (39). The disc (40) carries a second finger-length logarithm scale (42) and the Hormonal Quotient arrow (44). When scales (42) and (36) are properly aligned the Hormonal Quotient arrow (44) inserts automatically into the resulting Hormonal Quotient in the Hormonal Quotient scale (38) and the correlated gonadal hormone exposure (39).

Abstract: A revolutionary, new sizing and fitting system for jeans is based on the concept of shape, not size. This sizing and fitting system is organized around some basic body shapes categories: e.g., slight curve (straighter figure, flatter fanny), demi curve (evenly proportioned hip and seat) and bold curve (smaller waist, larger seat). To use the system, the consumer finds their shape using a shape measuring tool. The shape measuring tool calculates a shape category based on a differential of two measurements in the seat area. With this shape category information, the consumer can easily locate a pair of form-fitting jeans. The sizing and fitting system is also applicable to pants, shorts, skirts, and other clothing where form fit is desirable in the seat and hip area.

Abstract: A positioning guide for ankle arthrodesis according to some embodiments of the present invention includes a clamping device configured to be fixedly held to the foot, the clamping device defining an implantation axis, an alignment device configured to be removably coupled with the clamping device, the alignment device having first and second angle indicators, wherein, when the alignment device is coupled to the clamping device, the first angle indicator is configured to visually indicate a substantial alignment of implantation axis with tibial when the first angle indicator is aligned with the tibial axis and the foot is placed in a first position, and the second angle indicator is configured to visually indicate an arthrodesis angle formed between implantation axis and tibial axis when the second angle indicator is aligned with the tibial axis and the foot is placed in a second position.

Abstract: A method for determining a mobility of an object includes the steps of measuring at least a portion of a shape of an object under an initial increment of a weight load of a plurality of increments of a total weight load using a device and measuring at least a portion of the shape of the object under a next increment of a total weight load of a plurality of increments of a weight load using the device. Repeating the measurements until a total weight load is achieved and comparing the measurements from the device under the plurality of incremental weight loads, thereby determining a mobility of at least the portion of said object under the plurality of increments of weight loads. The method further includes adjusting the elevation and angular orientation of a support surface for the object to achieve further measurements and a device for obtaining such measurements. The method further includes comparing the mobility of a present object to a normal-object to determine a deviation.

Abstract: A pillow measurement device and a method of using it are provided. Certain embodiments of the device include a first leg, a second leg, a first movable portion slidably affixed to the second leg, a means for affixing the first movable portion to the second leg, and a second movable portion. One or more of these components may have measurement indicia imprinted on them. The device can be used to measure various anatomical parts of a person, such as head width, neck width, shoulder width, cervical length and cervical depth. Measurements taken using the device may be used to custom build a pillow for a person.

Abstract: An apparatus for measuring a characteristic of a body part, such as an infant's head, includes a flexible substrate, a plurality of sensing elements provided along the substrate, and an electronic system. Each of the sensing elements (i) has a component wherein an electrical characteristic of the component changes predictably in response to the component being bent, and (ii) provides a signal that is indicative of the current value of the electrical characteristic. The electronic system is structured to receive the signal of each sensing element and determine a measure of a degree of curvature of the sensing element based on the received signal. The electronic system is also structured to determine, based one or more of the measures, a representation of a curvature of a segment, such as a loop, defined by a selected one or more of the sensing elements.

Abstract: Posture-responsive therapy is delivered by the medical system based on posture state input from only one of multiple posture sensors at any given time. An example implantable medical system includes a first posture sensor and a second sensor. A processor controls therapy delivery to the patient based on at least one of a patient posture state or a patient activity level determined based on input from only one of the first or second posture sensors. In some examples, one of multiple posture sensors of an implantable posture-responsive medical system is used to automatically reorient another posture sensor (of the system), which has become disoriented. The disoriented posture sensor may be automatically reoriented for one or more posture states at a time.