Abstract: A shoulder injury alert device includes a cover to overlap an anterior and a posterior surface of a wearer's shoulder. The cover may include warning indicia thereon to alert others that the wearer has a shoulder injury. A neck strap is provided to secure a top end of the cover about the patient's shoulder. An arm strap is provided to secure a bottom end of the cover about the patient's upper arm. The straps may be secured with cooperating fasteners. The shoulder injury alert device is intended to alert others of the patient's shoulder condition, which may not be otherwise apparent, particularly when approaching the patient from behind.

Abstract: A garment with an integrated urine reservoir for receiving discharged urine includes an outer layer that forms a pair of pants. The pair of pants includes a crotch portion, a right leg portion and a left leg portion. The outer layer has an inner surface and an outer surface. The outer layer comprises a cloth material. An inner liner is positioned within the outer layer. The inner liner forms a crotch section, a right leg section and a left leg section such that the inner liner defines an inner pair of pants and the outer layer defines an outer pair of pants. The inner liner comprises a fluid impermeable material. The fluid impermeable material is a flexible plastic material. The right leg section and the left leg section each comprise reservoirs to receive and hold urine.

Abstract: An ostomy barrier extender includes a skin friendly adhesive layer, a backing layer laminated on a surface of the skin friendly adhesive layer, a release liner laminated on an opposite surface of the skin friendly adhesive layer, at least one perforated feature, an outer periphery, an inner periphery, and a ring shaped body defined between the outer periphery and the inner periphery. The ostomy barrier extender is configured to separate along at least one perforated feature.

Abstract: A menstrual fluid collection device including a flexible container having a storage cavity to store a fluid and a movable opening formed in a closed position at a first end of the flexible container, the storage cavity to receive the fluid when the movable opening is in an open position and an inflatable seal member coupled to and extending around the flexible container, the inflatable seal member configured to move the opening to the open position, when inflated.

Abstract: The present invention provides devices and methods for creating and/or maintaining patency of the upper airway passage. The device is configured to fit under the chin of a subject at an external location corresponding approximately with the subject's internal soft tissue associated with the neck's anterior triangle. The device includes structural elements designed to optimize comfort, compliance and seal achieved through minimizing the pressure variation along the contact surface of the therapy device.

Abstract: The present invention relates to an oral appliance, and more specifically, to an oral appliance that may remain fastened to the teeth for a long time by co-using a fastening portion and an assistant fastening portion on the molars. According to the present invention, the oral appliance co-uses a first fastening portion that provides a fastening by friction against the molars and a second fastening portion that provides a fastening by a fastening protrusion to remain fastened to the user's teeth although the frictional fastening force weakens over time. The second fastening portion may be configured of a circular protrusion, subjecting the oral appliance to a tiny movement even when worn, and increasing convenience.

Abstract: An apparatus for providing breathing assistance includes first and second bodies configured to be positioned within an oral cavity of a user. Each of the first and second bodies includes a recess configured to receive a respective set of teeth of a user. An adjustable mounting is configured to interconnect the first and second bodies to thereby allow a relative position of the first and second bodies to be adjusted.

Abstract: An enhanced male prophylactic shield includes a first portion and a second portion. The first portion defines a concavity for containing a scrotum. The second portion extends from the rim of the first portion and defines a hole through which a penis is extendable. Adhesive is mounted to the abdominal panel in a position to adhere to the abdomen of the user at a position superior to the penis.

Abstract: A method for promoting contraception by placing a contraceptive device within a uterus without blocking fallopian tubes may involve advancing a distal end of a delivery device through a cervix, advancing the contraceptive device comprising an elongate shape memory member out of the distal end of the delivery device and into the uterus, and limiting inferior migration of the contraceptive device within the uterus. Inferior migration may be limited by allowing the contraceptive device to assume a shape, when subjected to pressure that tends to cause a downward migration of the device within the uterus, in which an expandable middle portion of the device is expanded to contact the inner wall of the uterus and thus limit the downward migration of the device.

Abstract: The present invention relates to an apparatus for controlling body temperature using a thermoelectric element, the apparatus including: a chamber unit including a water container configured to store water; a temperature control unit configured to cool or heat water; a circulation unit including a water circulation line configured such that the cooled or heated water discharged from the temperature control unit is circulated therethrough to flow back to the temperature control unit; a pad unit configured to contain a part of the water circulation line and to increase or decrease the body temperature of a human; and a control unit configured to control the operation of the temperature control unit; wherein the temperature control unit includes a cartridge part and a body part, and the body part includes a thermoelectric unit including a thermoelectric element and a heat sink plate.

Abstract: An underbody warming system may include a skin contacting surface configured to be positioned on the skin of a user. A plurality of thermoelectric devices may be provided. A first thermoelectric device of the plurality of thermoelectric devices may have a first temperature to create a first temperature gradient between the skin and the first thermoelectric device. A second thermoelectric device of the plurality of thermoelectric devices may have a second temperature different from the first temperature to create a second temperature gradient between the skin and the thermoelectric device. A first flow path may be configured to allow heat to flow between the skin and the first thermoelectric device. A second flow path may be configured to allow heat to flow between the skin and the second thermoelectric device.

Abstract: An eye compress assembly includes two thermally adjustable heating and cooling device and a bridge connecting the two devices is provided. The thermally adjustable device is configured to apply thermal treatment against the eye region. Within the thermally adjustable heating and cooling device the thermoelectric element is powered by a battery. A power input port is provided in the bridge to connect into a power supply in order to recharge the battery.

Abstract: A thermal control unit supplies temperature controlled fluid to a patient to control the patient's temperature. The thermal control unit includes a fluid outlet, fluid inlet, heat exchanger, pump, patient temperature probe port, user interface, and controller. The controller receives patient temperature readings from the patient temperature probe port and controls a temperature of the circulating fluid in a first manner when no event data is received regarding treatment of the patient. The controller controls a temperature of the circulating fluid in a second and different manner when event data is received. The event data may relate to medication and/or fluid administered to the patient. The different manners include determining a target fluid temperature in using different inputs and/or alarming in different manners. In some cases, the controller pauses the use of the patient temperature readings while continuing to deliver temperature controlled fluid to the patient.

Abstract: An ocular implant configured for implantation into the eye of a subject comprising an elongate outer shell (54), an internal plug (210) including a hydrogel and a drug reservoir including a drug (62) wherein the drug is configured to pass through at least a portion of the internal plug to control elution of the drug through the outer shell. The implant is made of biodegradable materials.

Abstract: A capsulotomy device (D) comprises an injector (4) where a piston (5) pressed by the surgeon as a plunger, and a circular cutting blade head (1) are both connected by a straight sliding component (2). This cutting blade head (1) is made of a shape memory material (elastic, polymeric . . . ) in order to be deformed passing trough the funnel (7) of the injector (4) inside the corneal incision (2.2-2.4 mm) and than returns to its original state above the lens capsule inside the eye anterior chamber. At this time the surgeon can make a little pressure on the capsule, cutting it trough the device (D).

Abstract: A device for irradiating ocular tissue, including a source of electromagnetic radiation; a beacon scattering the electromagnetic radiation transmitted through an opacity in ocular tissue so as to form scattered electromagnetic radiation; a modulator transmitting output electromagnetic radiation having a field determined from a recording of the scattered electromagnetic radiation transmitted through the opacity, so that the output electromagnetic radiation is transmitted through the opacity to the beacon. The device can be used to treat amblyopia or correct optical aberrations in corneal or lens tissue.

Abstract: Embodiments of this invention generally relate to ophthalmic laser procedures and, more particularly, to systems and methods for lenticular laser incision. In an embodiment, an ophthalmic surgical laser system comprises a laser delivery system for delivering a pulsed laser beam to a target in a subject's eye, an XY-scan device to deflect the pulsed laser beam, a Z-scan device to modify a depth of a focus of the pulsed laser beam, and a controller configured to form a top lenticular incision and a bottom lenticular incision of a lens in the subject's eye, or just a bottom lenticular incision.

Abstract: A surgical instrument for marking spots at locations on the scleral limbal surface of a human eye. The instrument includes an elongated handle dimension to be handheld. A first elongated pointer extends substantially axially outwardly from one end of the handle. This pointer has a pointed free end which, when pressed against the scleral limbal surface, creates a depression in the scleral surface having a first area. A second elongated pointer also extends substantially axially outwardly from the end of the handle. The second pointer has a blunt free end which, when pressed against the scleral limbal surface, creates a depression in the scleral surface having a second area which is several times in magnitude the area of the first area.

Abstract: A welding protector (1) has a curved eye protection shield (10) with an electrically switchable light filter. The welding protector further has a magnifying cover (20) for arrangement on an eye facing inner side of the eye protection shield. The magnifying cover is pre-shaped based on a curve that extends equidistant to the curve the eye protection shield is based on. Further, the magnifying cover has two optical lenses (27) which in combination only partially cover the eye protection shield.

Abstract: A system for assisting the visually impaired comprises one or more distance sensors, one or more electronic storage devices, one or more processors, and an output component. The one or more distance sensors are configured to make distance measurements between the distance sensor and one or more objects, the one or more electronic storage devices are operable to store boundaries defining a three-dimensional space, the one or more processors are communicatively coupled to the distance sensors and the electronic storage devices and are operable to receive distance measurements from the distance sensors and generate output signals related to the received distance measurements within the defined three-dimensional space. The output component is further operable to receive the output signals from the one or more processors and convert the output signals into a non-visual user output related to the received distance measurements.

Abstract: A cerumen removal apparatus for removing cerumen from an ear canal. The apparatus includes a body having a distal end and a proximal end interconnected by a main longitudinal axis; said distal end including a hollow collector head having at least one spiral vane or ridge projecting radially inward from an inner surface thereof and enclosing a lumen ending with an opening opened to said lumen for amassing said cerumen in said lumen via said opening; wherein said at least one spiral vane or ridge is adapted to guide the cerumen in a proximal direction into said hollow collector head when said hollow collector head rotates in the ear canal.

Abstract: A bandage comprising a base substrate and a mechanical coupling system. The base substrate has an inner surface and an outer surface and a central region positionable over a wound. The mechanical coupling system comprising at least two mechanical coupling members spaced apart from each other and spaced apart from the central region. At least one of the at least two mechanical coupling members having a base and a plurality of gripping structures. The plurality of gripping structures each extend from the lower surface of the base, and have a base configuration and an upstanding structure. The upstanding structure curves so as to terminate at a tip. The tip defining a tip axis, wherein the tip axis is between +10° and ?10° of an axis extending from the tip that is substantially parallel to the lower surface of the base.

Abstract: A negative pressure wound dressing for use with breast incisions. The wound dressing includes a drape layer, a manifold layer, a base layer, and a reduced pressure interface. The drape layer has a first surface and a second, wound-facing, surface. The drape layer is substantially impermeable to liquid and substantially permeable to vapor. The manifold layer has a first surface and a second, wound-facing surface. The manifold layer has a perimeter defined by a first convex curved side surface defining a first lobe, a second convex curved side surface defining a second lobe, and a connecting portion between the first lobe and the second lobe. The base layer is configured to: (i) couple the drape layer to the manifold layer, and (ii) the dressing to a patient's tissue. The reduced pressure interface is integrated with the drape layer.

Abstract: A method for manufacturing a sheet-like member, associated with an absorbent article, using a continuous sheet. The method includes a supplying step, a processing step, and a detecting step. In the supplying step, the continuous sheet is supplied by transferring the continuous sheet to a processing section by transporting the continuous sheet in a direction of transport. The processing step is performed at a predetermined position in the direction of transport, and a portion of the continuous sheet which is to be the absorbent article is processed by the processing section at an interval in the direction of transport. In the detecting step, a trace of the processing left on the continuous sheet is detected. In the supplying step, a direction-of-transport tension value of the continuous sheet at a time of transferring the continuous sheet to the processing section is adjusted based on the detection result.

Abstract: A manufacturing device is provided, within a range in the rotation direction of the upper half of an anvil roll, in the order from the upstream side in the rotation direction of the anvil roll, with a first sheet feeding unit, a recess forming unit, a particulate material feeding device, and a second sheet feeding unit and further a welding unit provided on the downstream side of the second sheet feeding unit in the rotation direction. The anvil roll has a large number of concaves, projections provided in a portion among the concaves, so as to surround each of the concaves, and a unit to suck air in the concaves. For each concave, the projections are minute dot-shaped projections arranged only in one row at intervals in the direction surrounding the concave.

Abstract: A post-partum undergarment system including a brief having a pad and a compression member with a first-wing and a second-wing. The pad is integral to the brief and disposed on an inner layer of the brief in an interspace between the leg holes. The first-wing and the second-wing are configured to wrap around an abdominal region of a woman and secure the compression member in a wrapped-condition. The compression member causes direct compression to the abdominal region of the woman when the brief is worn. The brief is absorbent and disposable for use in postpartum stages.

Abstract: A multilayer material is described comprising at least one layer of pre-tensioned non-woven fabric and a second layer connected to the first layer by means of connection regions. The connection regions comprise a plurality of primary patterns. Each primary pattern consists of at least one central connection region and two non-rectilinear connection regions arranged alongside the central region, but without contact between them and with the central region. The central connection region and the non-rectilinear connection regions form overall an arc region comprising a concave region.

Abstract: Absorbent articles having three-dimensional, apertured, liquid permeable topsheets, acquisition materials, liquid permeable backsheets, and absorbent cores are disclosed. The absorbent articles provide improved topsheet dryness, reduced collagen rewet, and improved modified fluid acquisition.

Abstract: An absorbent article includes an absorber having a front surface side sheet, a back surface side sheet disposed on the back surface side of the front surface side sheet, cells each of which is surrounded by bonded portions of the front surface side sheet and the back surface side sheet and inside each of which the front surface side sheet and the back surface side sheet are not bonded, and particulate materials which include superabsorbent polymer particles and which are contained in each of the cells. The bonded portions are arranged in continuous line shapes or dotted line shapes so as to form same-sized regular hexagons, which connect each other as unit shapes to be a honeycomb shape. All the cells are the same-sized regular hexagonal cells each of which is surrounded by the bonded portions.

Abstract: An absorbent article has a liquid pervious topsheet, a liquid impervious backsheet, an absorbent core disposed between the topsheet and backsheet; first and second opposing longitudinal side edges, a front waist region and a back waist region; and a first and second back ear extending outwardly from the first and longitudinal side edges in the back waist region, respectively. The first and second back ears have an engineering strain greater than about 8% at about or below 2N of force when measured according to the Back Ear Extension Test, and a roughness Ra lower than about 300 ?m when measured according to the Roughness Test.

Abstract: Various implementations include neonatal transport apparatuses and systems employing such apparatuses. In one particular implementation, an apparatus includes: an isolation stage; a first mount on a first portion of the isolation stage, the first mount configured to engage a mounting frame of a neonatal transport unit; a second mount on a second portion of the isolation stage, the second mount configured to engage a stretcher; and a stabilizing coupler extending from the second portion of the isolation stage, the stabilizing coupler positioned to directly couple the isolation stage with a floor underlying the stretcher.

Abstract: A seat positioning system includes a base frame having a pair of forward slots and a pair of rear slots, and a seat frame having a front end and a back end. The seat frame is coupled to the base frame and movable relative to the base frame. A first pair of linkages is slideably coupled to the pair of forward slots and connects the frames. A first pair of locking devices has a locked configuration adapted to prevent the first pair of linkages from sliding relative to the pair of forward slots and an unlocked configuration adapted to allow the first pair of linkages to slide relative to the pair of forward slots. A second pair of linkages slideably is coupled to the pair of rear slots and connects the frames. An actuator is pivotally connected to both the seat frame and the base frame and is configured to extend and contract to move the seat frame relative to the base frame.

Abstract: The present invention relates to a footrest device for a wheelchair, and more particularly to a footrest device and safety device for a wheelchair, in which a footrest provided in a lower side of the wheelchair moves up and down in accordance with a weight applied by a foot of a sitting person, thereby preventing a falling accident caused by stepping on the footrest when the sitting person rises from or sits in the wheelchair.

Abstract: A seat on a lift assist chair pivots between a lowered position in which a user can sit in the chair, and a raised position in which a seated user is helped out of the chair and into a standing position. A pair of arms is operatively attached to the seat. Responsive to the application of a user-applied downward force, the arms pivot about an axis thereby causing the seat to pivot between the lowered position and the raised position. First and second counterweights are also connected to the arms, and are axially adjustable relative to the axis about which the arms pivot. This movement permits the user to selectively alter the moment of the pivotable arms.

Abstract: Energy harvesting and propulsion assistance techniques for a patient support apparatus are provided. The patient support apparatus comprises a base, a patient support surface supported by the base, and a powered device (e.g., propulsion device). An energy harvest and release system includes a harvesting device for harvesting energy, a storage device for storing and releasing the harvested energy, and a controller coupled to the harvesting device, the storage device, and the powered device. The controller is automated to selectively instruct the harvesting device to harvest energy and to selectively instruct release of the harvested energy from the storage device for consumption by the powered device (e.g., to assist in movement of the patient support apparatus).

Abstract: The embodiments herein provide a patient transfer system for transferring a patient form one surface to another with a single attendant/caretaker. The system comprises a main base with wheels, a column actuator for height adjustment and a patient resting surface. The patient resting surface comprises two surfaces made of a mattress and a sheet. During transfer of patient from one surface to another, the system is attached/locked to a firm surface like floor, wall or ceiling using mechanical attachment devices for providing stability. The sheet when pulled lengthwise is transformed into an almost hard surface. A frame with sheet carrying patient is moved horizontally or vertically for transferring the patient. The sheet is made out of radiolucent material to avoid any effects due to radiations during X-ray, CT scans, MRI etc. The system is also convertible into a wheelchair using actuators when needed.

Abstract: Embodiments of the present invention provide a dental treatment machine for children. The dental treatment machine may include a base, a cushion and a backrest, where the vertical distance between the base and the cushion, the angle between respective planes of the cushion and the backrest, as well as the horizontal distance between the cushion and the backrest are selectively adjustable according to a child's figure. Preferably, the vertical distance adjustment between the cushion and the base is about 350-730 mm, the angle adjustment between the backrest and the cushion is about 0°˜68°, and the distance adjustment between the backrest and the cushion is about 0˜50 mm.

Abstract: The invention relates to an adjustable table for use while laying in a prone position on a body section cushion and includes a knee cushion for leg support. A headrest is provided for securing the head while lying face down, along with a work platform. A detachable foot platform is also provided.

Abstract: A device for producing a rhythmic movement includes a base, a movable base, a first shaft, a second shaft, and a driving device. The movable base is disposed on the base, and could reciprocate in a predetermined axial direction. A first end of the first shaft is pivotally connected to a first end of the second shaft. A second end of the first shaft is pivotally disposed on the movable base. A second end of the second shaft is pivotally disposed on the base. The driving device is disposed on the base and is connected to a pivot of the first shaft and the second shaft. The driving device repeatedly drives the pivot to move between a first position and a second position, so that the movable base could reciprocate in the predetermined axial direction. Whereby, a user on the device could move rhythmically, promoting the user's metabolism and circulation.

Abstract: A treatment sleeve system which helps to both prevent and treat chaffing, callouses, and pressure sores on or around dormant joints. The treatment sleeve system generally includes a sleeve which is worn around a limb to both treat and prevent complications such as pressure sores or the like. The sleeve includes a first end having a first opening, a second end having a second opening, and a channel extending between the first and second ends. The sleeve may comprise a bend portion which is adapted to be positioned over a joint. A cavity either within the sleeve or within a holder adapted to be removably connected within the sleeve stores a volume of a composition such as an antimicrobial ointment or the like. In such a manner, the composition may be applied to an affected area such as a wound or surgical site while the sleeve is worn on the limb.

Abstract: An exercising device for therapeutic rehabilitation includes a housing that defines an interior space. At least one battery and a motor is coupled to the housing and are positioned in the interior space. The motor is operationally coupled to the at least one battery. Each of a pair of shafts is operationally coupled to the motor and extends through a respective opposing side of the housing. Each of a pair of pedals is selectively couplable to an associated shaft. Each pedal is configured to selectively position an associated foot and an associated hand of the user. The motor is configured to rotate the shafts to compel an associated limb of the user to rotate concurrent with the associated shaft to exercise a user.

Abstract: A chair includes a seat (2) and also includes a pair of thigh support elements (17) pivotal n a generally downwardly direction about front pivot axes (20) from a first state forming with a central seat element (15) a substantially common plane, to a second downwardly extending state. The elements (17) are also pivotal about second pivot axes in a generally rearwardly direction for urging the user's thighs away from each other for stretching the adductor muscles. Foot support members (49) extend transversely and sidewardly on respective opposite sides of the chair (1) from a support element (46) for supporting the foot during a stretching exercise with the corresponding thigh of the subject extending downwardly from the seat (14) and the lower leg extending from the knee in a upwardly inclined direction to the foot support member (49) for stretching the quadriceps and the hip flexor muscles of the subject.

Abstract: An assistance apparatus includes a first wire and a second wire that couple an upper-body belt and a left knee belt to each other on or above a front part and back part of the body of a user, respectively, a third wire and a fourth wire that couple the upper-body belt and a right knee belt to each other on or above the front part and back part of the body of the user, respectively, a motor, a left sensor on the left hand of the user, and a right sensor on the right hand of the user. When a force is applied to the left sensor and no force is applied to the right sensor, the motor makes the tension of the second wire and the third wire greater than the tension of the first wire and the fourth wire. When a force is applied to the right sensor and no force is applied to the left sensor, the motor makes the tension of the first wire and the fourth wire greater than the tension of the second wire and the third wire.

Abstract: A toe-tapping exercise machine comprises: a foot rest part having a right foot rest adapted to seat a user's right foot thereon and a left foot rest adapted to seat the user's left foot thereon; and an operating part coupled to the foot rest part to allow toe portions of the foot rest part to tap each other, the operating part comprising: a driving motor for transferring rotating power; a right foot rest operator for receiving the rotating power from the driving motor to operate the right foot rest; and a left foot rest operator for receiving the rotating power from the driving motor to operate the left foot rest, the driving motor being disposed between the right foot rest operator and the left foot rest operator and having rotary shafts extended from both sides thereof.

Abstract: A motor teaching system is provided with a force presentation robot for teaching motion in accordance with a predetermined motor pattern by guiding movement of a movable part of the body of a test subject, a brainwave sensor, and a computer that classifies a cerebral activity pattern into one of a plurality of classes that include motor imagery, based on a brainwave signal. The computer guides evoking contents of the test subject prior to teaching of the motor pattern, such that a classification result obtained in the period of teaching the motor pattern will be the motor imagery class.

Abstract: A walking assistance device includes: an upper body disposed on a thigh of a user; a lower outer body rotatably connected to the upper body and disposed on a calf of the user; a lower inner body disposed to at least partially overlap the lower outer body; a first elastic portion which has a bent part in contact with the ground so as to provide an elastic force during a user's walk; an Achilles tendon portion connected to one end of the first elastic portion and slidably connected to the lower outer body and the lower inner body; a second elastic portion interposed between the upper body and the lower outer body; and a loading potion which is connected to a bent part of the second elastic portion and movably installed in the lower outer body.

Abstract: An assistance apparatus includes wires, each of which couples an upper-body belt and one of left and right knee belts to each other, and a motor. To promote implementation of first assistance for a user in walking while carrying an object, the motor generates a tension greater than or equal to a third threshold value in a second wire and a fourth wire, a tension greater than or equal to the third threshold value in the second wire and a third wire, and a tension greater than or equal to the third threshold value in a first wire and the fourth wire.

Abstract: An assistance apparatus includes a first wire and a second wire that couple an upper-body belt and a left knee belt to each other on or above a front part and back part of the body of a user, respectively, a third wire and a fourth wire that couple the upper-body belt and a right knee belt to each other on or above the front part and back part of the body of the user, respectively, a motor, a left sensor on the left hand of the user, and a right sensor on the right hand of the user. When a left sensor value of the left sensor is larger than a right sensor value of the right sensor, the tension of the first wire and the second wire is made greater than the tension of the third wire and the fourth wire. When the right sensor value is larger than the left sensor value, the tension of the third wire and the fourth wire is made greater than the tension of the first wire and the second wire.

Abstract: An assistance apparatus includes wires, each of which couples an upper-body belt and one of left and right knee belts to each other, and a motor.

Abstract: An assistance apparatus includes a first wire and a second wire that couple an upper-body belt and a left knee belt to each other on or above a front part and back part of the body of a user, respectively, a third wire and a fourth wire that couple the upper-body belt and a right knee belt to each other on or above the front part and back part of the body of the user, respectively, and a motor. When assistance is stopped, the motor reduces the tension of the first wire during a first stop period starting in a boundary period in a first period and ending in a start period of a second period, generates no tension in the second wire during the second period, reduces the tension of the third wire during a second stop period starting in a boundary period in a third period and ending in a start period of a fourth period, and generates no tension in the fourth wire during the fourth period. The boundary period includes a timing at which each leg of the user shifts from a stance phase to a swing phase.