Abstract: A port cap has a closed end, an open end, and a conical body made of a flexible material. An inside of the port cap may have a textured or uneven surface. The textured or uneven surface may be formed by one or more annular rings. An annular ring may be asymmetrical having different slopes on the two different sides of the annular ring. The port cap may be made of an elastomeric polymer or elastomeric copolymer. An insert inside the port cap may be made of a sponge or similar material and may contain a cleaning agent or microbiocidal. The port cap may be sealed with a lid. Methods of using the port cap are also disclosed.

Abstract: A breakaway medical tubing connector and method for joining two sections of medical tubing includes a pump side member and a patient side member positioned axially opposite from the pump side member. The patient side member has a first channel disposed within the pump side member and a first valve disposed within the first channel. The pump side member has a second channel disposed within the patient side member and a second valve disposed within the second channel. The first valve may be an active valve and the second valve may be a passive valve. A securing bar may be disposed on the pump side member and a securing arm may be disposed on the patient side member for providing a detachable coupling of the two members.

Abstract: An externally programmable shunt valve assembly that includes a motor having a rotor that is operable in response to an externally applied magnetic field and configured to increase or decrease the working pressure of the shunt valve assembly. The motor may further include a position sensing mechanism that allows a position of the rotor, and associated pressure setting of the valve, to be determined using an external magnetic sensor. In certain examples the motor further includes a mechanical brake that is magnetically operable between a locked position and an unlocked position and which, in the locked position, prevents rotation of the rotor.

Abstract: A dry disconnect device including a first portion defining an outlet and an outlet portion of a fluid pathway and a female valve disposed within the first portion having an extended position, including the female valve being configured to seal the outlet portion, and a retracted position. A second portion defining an inlet and an inlet portion of the fluid pathway is lockingly engageable with the first portion. A male valve is disposed within the second portion including a male valve transition member configured to translate the male valve from an extended position to a retracted position including the male valve being configured to seal the inlet portion. The extended position of the male valve causes the female valve to transition from the extended position to the retracted position and causes the outlet portion and the inlet portion of the fluid pathway to be in fluid communication with each other.

Abstract: The present invention is directed to transcutaneous electrical nerve stimulation (TENS) devices which utilize novel stimulation waveforms and novel arrangements of TENS electrodes to improve the efficiency of power consumption while enhancing therapeutic effects.

Abstract: The present invention provides a bio-electrode composition including: a resin containing a urethane bond in a main chain and a silsesquioxane in a side chain; and an electro-conductive material, wherein the electro-conductive material is a polymer compound having one or more repeating units selected from fluorosulfonic acid salts shown by the following general formulae (1)-1 and (1)-2, sulfonimide salts shown by the following general formula (1)-3, and sulfonamide salts shown by the following general formula (1)-4. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode.

Abstract: The disclosed electrical stimulation system generates interventions to assist patients in complying with a diet. The wearable device includes a microprocessor, electrical stimulator and at least one electrode configured to deliver electrical stimulation to the epidermis, through a range of 0.1 mm to 10 mm or a range of 0.1 mm to 20 mm of the dermis, of a T2 dermatome to a T12 dermatome or meridian of the patient, a C5 to a T1 dermatome across the hand and/or arm, and/or the upper chest regions. The device is adapted to provide electrical stimulation as per stimulation protocols and to communicate wirelessly with a companion control device configured to monitor and record appetite patterns of the patient and generate interventions. The control device is also configured to monitor, record, and modify stimulation parameters of the stimulation protocols.

Abstract: Techniques are disclosed for defining a homeostatic window for controlling delivery of electrical stimulation therapy to a patient. In one example, a method includes generating and delivering electrical stimulation therapy to tissue of a patient via electrodes. Further, the method includes adjusting a level of a parameter of the electrical stimulation therapy such that a signal of the patient is not less than a lower bound and not greater than an upper bound. The lower bound is determined to be the magnitude of the signal while receiving electrical stimulation therapy sufficient to reduce one or more symptoms of a disease while the patient was receiving medication for reduction of the one or more symptoms. Further, the upper bound is determined to be the magnitude of the signal while receiving electrical stimulation therapy sufficient to reduce the one or more symptoms when the patient was not receiving the medication.

Abstract: The disclosure relates to implantable probes. An implantable probe includes a sleeve capable of being wound around an elongate organ of cylindrical shape, and includes a sheet of elastically deformable material that supports at least one electrode. The sheet is prestressed in such a way as to allow it to self-wind from an initial position, in which the sheet is kept stressed in the deployed state, to a final position, in which the sheet is wound freely in a spiral to form a sleeve around the organ, with the first face, which supports the electrodes, being directed towards the inside. The sheet is delimited by an outer lateral edge of the sleeve after winding, an inner lateral edge of the sleeve after winding, and a first transverse edge and a second, opposite transverse edge. The sheet includes perforations located in proximity to the first and/or second transverse edge.

Abstract: A device for extending a lead according to an embodiment of the present disclosure includes a body, wherein the body is elongated and includes at least two apertures; a first filament loop comprising a filament, the filament extending along the inner surface of the body and through at least one of the at least two apertures, the first filament loop extending outside the outer surface of the body; a second filament loop extending outside the outer surface of the body; the first and second filament loops arranged so as to receive therethrough a lead, the first and second filament loops being tightenable about the lead in a manner that grips the lead between the first and second filament loops and an outer surface of the lead; and a tether coupled to the lead via one or more of the body, the first filament loop, and the second filament loop.

Abstract: Methods and devices for treating patients such as patients who suffer from migraine headaches including attaching electrodes of an electrical stimulation device to the patient bilaterally at a first location overlying a trigeminal nerve and at a second location overlying a second nerve, and then delivering electrical series of stimulation pulses to the patient, the stimulation pulses having a duration of between about 1 and about 20 microseconds, wherein the electrical stimulation device comprises a stimulation unit and a plurality of electrodes.

Abstract: A computer implemented method and system is provided for managing neural stimulation therapy. The method comprises under control of one or more processors configured with program instructions. The method delivers a series of candidate stimulation waveforms having varied stimulation intensities to at least one electrode located proximate to nervous tissue of interest. A parameter defines the candidate stimulation waveforms is changed to vary the stimulation intensity. The method identifies a first candidate stimulation waveform that induces a paresthesia-abatement effect, while continuing to induce a select analgesic effect. The method further identifies a second candidate stimulation waveform that does not induce the select analgesic effect. The method sets a stimulation therapy based on the first and second candidate stimulation waveforms.

Abstract: One aspect of the present disclosure is a system including a waveform generator, a controller, and an electrical contact. The waveform generator is for generating an electrical nerve conduction block (ENCB). The controller is coupled with the waveform generator. The controller is configured to receive an input comprising at least one parameter to adjust the ENCB. The electrical contact is coupled with the wave-form generator. The electrical contact is configured to be placed into contact with a nerve. The electrical contact comprises a high charge capacity material that prevents formation of damaging electro-chemical products at a charge delivered by the ENCB. The electrical contact is configured to deliver the ENCB to the nerve to block transmission of a signal related to a pain through the nerve.

Abstract: Electrode structures for transvascular nerve stimulation combine electrodes with an electrically-insulating backing layer. The backing layer increases the electrical impedance of electrical paths through blood in a lumen of a blood vessel and consequently increases the flow of electrical current through surrounding tissues. The electrode structures may be applied to stimulate nerves such as the phrenic vagus, trigeminal, obturator or other nerves.

Abstract: Devices and methods for improving the coupling between the soft palate and the genioglossus. This may be accomplished, for example, but shortening or stiffening the palatoglossal arch. Improved coupling between the soft palate and the genioglossus may be beneficial to a patient suffering from obstructive sleep apnea (OSA) as a stand-alone procedure, or in combination procedures and devices that cause anterior displacement of the tongue such as hypoglossal nerve stimulation, genioglossus advancement surgery, mandibular advancement surgery, mandibular advancement (oral) appliances, etc.

Abstract: Stimulation treatments for various medical disorders, such as neurological disorders, comprise novel systems, strategies, and methods for providing TMS, electrical, magnetic, optical and other stimulation modalities. Some stimulation methods comprise varying the stimulation parameters to improve the therapeutic efficacy of stimulation, and decrease risk of habituation and side-effects such as interference with normal brain, sensory, motor, and cognitive processes. The creation, and subsequent variation, of stimulation parameters can use sensed data in order to match, adjust, or avoid matching characteristics of the stimulation therapy relative to certain endogenous brain activities. Novel methods are described for choosing, creating and subsequently stimulating with partial signals which summate to produce therapeutic vector fields having unique temporal patterns and low- or high-frequency spectral content. Improvements for the treatment of pain are disclosed.

Abstract: An intracardiac ventricular pacemaker is configured to operate in in a selected one of an atrial-tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker determines at least one motion signal metric from the motion signal, compares the at least one motion signal metric to pacing mode switching criteria, and, responsive to the pacing mode switching criteria being satisfied, switches from the selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other one of the non-atrial tracking pacing mode and the atrial tracking pacing mode for controlling ventricular pacing pulses delivered by the pacemaker.

Abstract: Regulating cardiac activity may include pacing the patient's heart at a starting pacing rate and instigating an intrinsic heart beat search algorithm that includes pacing at a reduced rate for a period of time and capturing electrical signals representative of cardiac electrical activity while pacing at the reduced rate in order to determine a presence or absence of intrinsic heart beats. If intrinsic heart beats are not detected, the heart may be paced at a further reduced rate for a period of time. If intrinsic beats are detected, the heart may be paced again at the starting pacing rate. This may continue until intrinsic heart beats are detected or until a lower search rate limit is reached. Diagnostic data may be collected at each stage and transmitted to a display device for analysis by a physician or the like.

Abstract: Presented herein are implantable medical devices that comprise an implantable portion having a resonant tank circuit that is used to receive signals from one or more external devices. The resonant tank circuit is configured to operate at first and second resonant frequencies, where the first resonant frequency is optimized to exchange data with, and potentially receive operating power from, an external device, while the second resonant frequency is optimized to receive charging power. In certain embodiments, upon initiating operation of the implantable portion with at least one external device, the implantable portion is configured to force tune the resonant tank circuit to the first resonant frequency. That is, when the resonant tank circuit first begins receiving signals from an external device, the signals received at the resonant tank circuit are used to initially tune the resonant tank circuit to the first resonant frequency.

Abstract: Dermatological systems and methods for providing a therapeutic laser treatment wherein the duration of a therapeutic laser pulse is based on one or more determinations of a surface temperature of the skin during the delivery of the pulse. Initiation of the therapeutic laser pulse may be based on sensed skin temperature during a cooling of the skin prior to initiation of the pulse.

Abstract: A light-emitting module includes a housing, a flexible film, and a protection portion. The housing includes a plurality of light-emitting units arranged in a matrix configuration and at least a switch electrically connected to at least one of the plurality of light-emitting units. The flexible film is detachably coupled to the housing. The protection portion covers the plurality of light-emitting units.

Abstract: Radiation therapy treatment planning methods facilitate predicting achievable dose distributions by training a prediction model for clinical DVH curves based on simplified DVH curves obtained using standardized methods. Machine learning applied on pairs of clinical and simplified DVH curves enables predicting actual clinical DVH curves based on simplified DVH curves.

Abstract: The present disclosure relates to a respiratory gating system for inducing respiration of a patient during radiation therapy. A respiratory gating system according to one embodiment of the present disclosure comprises: an image management unit for acquiring an MRI image of a patient and processing the acquired image; and a projection unit for displaying the MRI image acquired and processed by the image management unit to the patient in real time, wherein the projection unit may be configured to project an image of a treatment area of the patient in real time using, as a screen, a bore of a radiotherapy equipment which is formed to surround the patient in order to acquire the MRI image.

Abstract: Embodiments of the present invention provide a compact gantry designed to provide particle therapy using a particle beam. A gantry for providing the particle therapy comprises a first dipole magnet operable to bend a particle beam received from a cyclotron by a first degree amount. The gantry further comprises a plurality of quadrupole magnets configured to condition the beam asymmetrically to produce an asymmetric beam, wherein a configuration of the quadrupole magnets is determined using a dispersion function of a second dipole magnet. Further, the second dipole magnet is operable to receive the asymmetric beam and bend the asymmetric beam by a second degree amount, and wherein the second dipole magnet disperses the asymmetric beam to produce a symmetric beam shape at a treatment iscoenter or at any other reference point.

Abstract: Systems and methods for treating skin and subcutaneous tissue with energy such as ultrasound energy are disclosed. In various embodiments, ultrasound energy is applied at a region of interest to affect tissue by cutting, ablating, micro-ablating, coagulating, or otherwise affecting the subcutaneous tissue to conduct numerous procedures that are traditionally done invasively in a non-invasive manner. Lifting sagging tissue on a face, neck, and/or body are described. Treatment with heat is provided in several embodiments.

Abstract: The present invention relates to compositions for removing nail polish that include a C2-C3 monoalcohol, at least about 15% glycerin, and at least about 20% by weight of a solvent selected from acetone, a C2-C4 alkyl acetate, and combinations thereof. The compositions include less water than glycerin. Methods of using these compositions to remove nail polish and moisturize the hands are also provided.

Abstract: Disclosed is a hinged, two-wheeled device for improving the safety of an individual or object descending along a rope from an elevated position. The device includes a two-piece hinged framed held open by a torsion spring. Each part of the frame contains a wheel with a cut out/channel with a knurled surface to increase the friction between the rope and the device and to prevent the device from disengaging during use. The rope is placed between the two wheels and the handle is pulled down, clamping the device around the rope. The two wheels are connected to viscous rotary dampers that slow the speed of the wheels during descent, preventing the user/object from accelerating in a free-fall and controlling the descent rate to a relatively constant, safer speed.

Abstract: An oxygen system supplies either 100% oxygen to a demand valve in a mask or pulses of oxygen to the mask. Switching is automatic during a parachute descent. The system includes a valve manifold that is responsive to ambient pressure such that at low pressures it is configured to deliver gas from either an oxygen cylinder or an aircraft supply line to the mask demand valve and at higher pressures it is configured to deliver gas from the cylinder to a pulse gas delivery system. The mask also includes an inhalation valve that is closed if oxygen is supplied to the demand valve. Otherwise, the inhalation valve opens to allow ambient air to be drawn in and the pulse gas delivery system delivers a pulse of oxygen in response to the onset of inhalation.

Abstract: A respirator system is disclosed that includes a foldable head cover assembly including a face seal portion. The respirator assembly further includes a visor assembly attached to the head cover assembly and a head suspension system removably attached to the visor assembly. The visor assembly and the head cover assembly on one hand, and the suspension system on the other, are separable and foldable to enable storing and/or shipping the same separately. A head suspension system is also disclosed.

Abstract: The invention relates to an oxygen mask (1) for an emergency oxygen supply of passengers in an aircraft, with a carrier (12), on which a breathing bag connection (5) for a breathing bag (11), an inhalation valve (3) and an exhalation valve (4) are provided, wherein the carrier (12) comprises at least two carrier parts (14, 15, 16) which are arranged pivotable to one another.

Abstract: Embodiments relate generally to absorbing elements in respiratory face masks. Applicants have developed a structure for respiratory masks that can both absorb moisture from the face (such as perspiration, as well as from condensed moisture in the breath), and maintain a low breath resistance (won't increase the breath resistance significantly). The structure may comprise an annular structure added to the respiratory masks for moisture management, wherein the annular structure comprises moisture absorbent materials. This structure may also be known as an absorbing element operable to absorb moisture effectively, provide a respiratory mask with improved moisture control characteristics, reduce fogging of a face shield or eyeglasses of the wearer, and reduce the amount of uncomfortable moisture buildup on the face of the wearer.

Abstract: Disclosed herein is an in-mask display or feedback system having a lens coupled to a face blank of the mask, the lens covering a facepiece. The feedback system includes a display apparatus coupled to the facepiece, and disposed within an interior of the mask, the display apparatus being powered by a first power source coupled to a housing of the display apparatus. The feedback system further includes a recording device (e.g., a camera) coupled to the face blank, the recording device operable to communicate data (e.g., wirelessly or wired) with the display apparatus. In some approaches, the recording device is powered by a second power source. In other approaches, the first power source provides power to both the recording device and the display apparatus. In another approach, the display apparatus includes an adjustment aperture formed therethrough to allow adjustment of an eye piece housing a display.

Abstract: A fall control system is described. The fall control system comprises an elongate guide rail extending along an axis, a trolley for moving along the elongate guide rail, a tether attached to the trolley at a first end, a second end of the tether for attaching to a user, and a speed control system for controlling a speed of the trolley along the elongate guide rail. The speed control system comprises one or more than one speed control track attached to the elongate guide rail and extending along the axis, a background speed controller coupled to the trolley and engaged with the one or more speed control track when the speed control system or the trolley is in a travelling orientation and controlling the speed of the trolley along the elongate guide rail to not exceeded a maximum walking speed.

Abstract: A door assembly includes: a rotatable curtain deployment member positionable about a structure opening; a curtain panel fixed to the curtain deployment member, the curtain being movable, upon rotation of the curtain deployment member, between a retracted position and an extended position, the curtain panel having at least one portion of increased thickness; a rotatable balancing strip member configured to substantially parallel with the curtain deployment member, and configured to rotate synchronously therewith in a common rotational direction, and a balancing strip having a first end attached to the balancing strip member, and a second end attached to the curtain deployment member and axially spaced from the portion of increased thickness. When the curtain panel deploys to the retracted position, the balancing strip deploys to the curtain deployment member, and when the curtain panel deploys to the extended position, the balancing strip deploys to the balancing strip member.

Abstract: Fire extinguishing systems and methods, such as for combating compartment fires, can include or use wet and dry agents such as water droplets and aerosol-based particulate extinguisher agents. In an example, an extinguishing system includes a centralized extinguishing controller that can selectively provide the wet and dry agents to a compartment or environment. In other examples, dedicated dispenser systems separately, but optionally concurrently, provide water and aerosol-based agents to combat a compartment fire.

Abstract: One or more techniques and/or systems are disclosed that can provide for a portable monitor control. A movement detection triggering system can be disposed between a fluid inlet and the body of the portable monitor, and may be able to restrict or reduce fluid flow when the monitor is moved from its desired position. A trigger arm can be coupled with the inlet, and, when the inlet is pivoted away from a set position, the trigger arm is also moved, which triggers another portion of the control system. A trigger pin is released, which may allow a lever to rotate, allowing a restrictor component to move into place in the fluid flow path, thereby restricting fluid flow.

Abstract: A manifold for supplying multiple water streams, which streams may be used in connection with fire protection systems, from a single water supply source. The system includes an elongate body portion for holding water. Body portion has spaced apart first and second ends and a wall having a non-circular cross section with a top portion and converging side portions join the top portion and a bottom portion. A water inlet extends from the bottom of the body portion. A pair of water outlets extend from the top of the body portion and are located proximate the first and second ends of the body portion.

Abstract: A fire detection device and method therefor are able to provide automatic activation so as to extinguish a fire. The fire detection can be rapid and temperature-based. In one embodiment, a heat collector can be provided to enhance thermal responsiveness. Activation of the fire detection device can be electrically induced to release an extinguishing agent at the fire. The activation can be protected such that it is durable and unaffected by vibrations.

Abstract: The exercise machine with a variable resistance system includes a frame, an exercise implement movably connected to the frame, a main shaft rotatably connected to the frame, a main connector attached between the main shaft and the exercise implement, a plurality of resistance assemblies and a plurality of actuation assemblies adapted for selectively engaging or disengaging at least one of the plurality of resistance assemblies with respect to the main shaft. The plurality of resistance assemblies apply a total level of rotational resistance against the main shaft based on which of the plurality of resistance assemblies are engaged with the main shaft by the plurality of actuation assemblies.

Abstract: An exercise apparatus allowing freedom of movement of an exercise bar is provided. The exercise apparatus comprises one or more base assemblies; a pair of spaced vertical members mounted to the one or more base assemblies; and a first bar member mounted to the spaced vertical members, wherein the first bar member is at least partially rotatable relative to the longitudinal axes of the vertical members. The one or more base assemblies may facilitate multidirectional horizontal movement of the vertical members, whereby the first bar member is rotatable relative to the longitudinal axes of the vertical members.

Abstract: A load-adjusting device for adjusting a load movably mounted to a frame of an exercise apparatus is provided. The device comprises a counterbalance; and a controller, wherein the counterbalance is configured to connect with the load in response to operation of the controller. Operation of the controller may configure the load-adjusting device between an unassisted configuration wherein the counterbalance is not in operative connection with the load, and an assisted configuration wherein the counterbalance is operatively connected with the load. A locking device for selectively constraining a movable component of an exercise apparatus is also provided. The locking device is suitable for use with the load-adjusting device.

Abstract: An exercise device including two load bearing plates, each of which has a curved regular convex triangular face with a center region and a peripheral region, a plurality of peripheral handles, each connecting to the peripheral region of the load bearing plates, an inner handle connecting to the center region of the load bearing plates, such that each of the peripheral handle and the inner handle has a longitudinal axis that is parallel to one another.

Abstract: A selectorized dumbbell has a plurality of nested weights that provide a stack of left weight plates and a stack of right weight plates. A handle is dropped between the stacks and a selector is inserted into one of a plurality of vertically spaced positions on the handle to couple a selected number of the weights to the handle. The selector has a continuous periphery enclosing an open interior. A user who is exercising with the dumbbell will be alerted to unintended dislodgement of the selector since a portion of the selector's periphery will contact a portion of the user's grip hand, wrist or forearm during such dislodgement. This prevents complete dislodgement and prompts the user to restore the selector to a fully installed position. Side walls of the selector may become curved when the selector is installed to provide an additional frictional force resisting dislodgement of the selector.

Abstract: A centering device includes a receiving bracket configured to be attached to a bench unit including at least one wheel, the receiving bracket defines a receiving hole, and a catch mechanism configured to be attached to an exercise machine, the catch mechanism comprising at least one outer peg and a center peg, the outer peg defining a groove. The receiving bracket and wheels being engagable with the catch mechanism to center the bench unit with respect to the exercise machine.

Abstract: A device and method of use thereof provide a gripping element having a hexagonal cross-section. A weightlifting bar having a hexagonal circumference forming non-circular, substantively planar surfaces enables weight training. A pull up bar or other bar attached to a structure, wherein the gripping surface has a hexagonal circumference forming six surfaces enables gymnastic exercise. A kettle bell, a dumbbell and/or barbell exercise equipment each present a hexagonal circumference forming six planar surfaces. A structure or equipment presenting the gripping element may include knurled portions and/or smoothed portions. The gripping element may be positioned on a curved bar.

Abstract: An exercise machine includes a processor, a first display, a deck, and a belt rotatable about the deck. The machine also includes a sensor operably connected to the processor and configured to detect a first performance parameter of a first user running on the belt of the exercise machine. The processor is configured to receive information indicative of a second performance parameter of a second user, the second performance parameter being detected at an additional exercise machine during display of the at least part of the exercise class on a display associated with the additional exercise machine. The processor is also configured to cause the second performance parameter to be displayed on the first display together with the first performance parameter.

Abstract: A free weight assembly includes a cradle, an aerobic exercise element that is movable with respect to the cradle during the performance of an exercise, at least one free weight removable from the cradle, an input in communication with a processor that determines a time to instruct a user to remove the free weight, and an indicator that activates when the time to remove the free weight arrives.

Abstract: A golf ball has a plurality of dimples 12 and a land 14 on a surface thereof. The golf ball further has a large number of minute projections 18 formed on surfaces of the dimples 12 and the land 14. The minute projections 18 are exposed on the surface of the golf ball. The surface of the golf ball has an arithmetic average height Sa of not less than 0.5 ?m and not greater than 30 ?m. The surface of the golf ball has a maximum height Sz of not less than 5 ?m and not greater than 200 ?m.

Abstract: A golf ball has a plurality of dimples 12 and a land 14 on a surface thereof. The golf ball further has a large number of minute projections 18 formed on surfaces of the dimples 12 and the land 14. The surface of the golf ball has an arithmetic average height Sa of not less than 0.5 ?m and not greater than 30 ?m. An average value Hav of heights H of the minute projections 18 is not less than 0.5 ?m and not greater than 50 ?m. A ratio Pp of a sum of areas of all the minute projections 18 to a surface area of a phantom sphere of the golf ball is not less than 7%. An average value Dav of diameters D of the minute projections 18 is not less than 5 ?m and not greater than 50 ?m.

Abstract: A Bluetooth chip designed to track proximity and play a sound, along with an accelerometer, that is embedded inside of a golf ball is disclosed. The technology inside the balls allows it to be found quickly through proximity and sound, and the app gives a golfer helpful analytical data.