Abstract: In general, the disclosure relates to medical devices and systems for detecting the posture state of patient. For example, a medical system may detect a posture state of a patient and deliver therapy based at least in part on the detected patient posture state. In some examples, the system may comprise a posture sensor that generates posture sensor data when a patient is in a posture state, and a processor that receives the first posture sensor data, compares the first posture state data to reference posture sensor data, and detects the presence of at least one of sensor signal drift or sensor signal shift for the posture sensor based at least in part on the comparison. In some examples, the processor may be configured to determine one or more offset correction values to apply to posture sensor data generated by the posture sensor when the at least one of sensor signal drift or sensor signal shift is determined to be present.

Abstract: Techniques are provided for use with a pulmonary artery pressure (PAP) monitor having an implantable PAP sensor. In one example, a PAP signal is sensed that is representative of beat-by-beat variations in PAP occurring during individual cardiac cycles of the patient. The PAP monitor detects peaks within the PAP signal corresponding to valvular regurgitation within the heart, then detects mitral regurgitation (MR) based on the peaks. In other examples, the PAP monitor optimizes pacing parameters based on the PAP signal and corresponding electrical cardiac signals. Examples are provided where the PAP monitor is an external system and other examples are provided where the PAP monitor is a component of an implantable cardiac rhythm management device.

Abstract: A system for treating heart valve malfunction specifically including mitral regurgitation including a positioning structure operative to assume both expanded and contracted orientations and a retaining assembly positioned and structured to operatively dispose the positioning structure in moveably supporting lifting and/or positioning relation to the ventricular wall portion of the heart. The retaining assembly and the positioning structure are cooperatively disposed and structured to accomplish a shape variance of the heart upon a lifting or positioning force being exerted thereon substantially concurrent to the positioning structure being disposed in the expanded orientation. The force exerted on the heart at least partially defines a shape variance thereof to the extent of positioning of the leaflets of the mitral valve into a closed orientation which restricts mitral regurgitation.

Abstract: Methods, apparatus, and systems are provided to stimulate multiple sites in a heart. A controller senses electrical activity associated with sinus rhythm of the heart. A signal generator is configured to generate an electrical signal for stimulating the heart. Based on the electrical signal, a distributor circuit then distributes the stimulating signals, such as pacing pulses, to a heart. The distributor circuit may vary the delay time between stimulating signals, inhibit a stimulating signal, trigger application of a stimulating signal, or vary the characteristics, such as the pulse width and amplitude, of a stimulating signal.

Abstract: Sensors are applied to the heart and sensor data is supplied to a rules engine. The rules engine applies rules that reflect a CRM pharmaceutical regime of the patient to the sensor data to determine whether an electrical waveform should be applied to the heart. When electrical stimulation is warranted, the drug “awareness” rules are used by the rules engine to instruct a multi-phase cardiac stimulus generator to generate an electrical waveform that improves the performance of the drugs administered to the patient, allow the patient to be administered a lower dose of a particular drug, and/or reduce or eliminate side effects from the drugs.

Abstract: A rules engine acquires sensor data from sensors applied to the heart and determines whether an electrical waveform should be applied to the heart and, if so, the type of electrical waveform. A multi-phase cardiac stimulus generator generates waveforms in response to the rules engine from waveform data stored in a memory. The electrical waveform is applied to one or more electrodes implanted in or on the heart.

Abstract: A system for reducing proarrhythmic effects of neural stimulation is provided. One aspect of this disclosure relates to an implantable medical device (IMD) for reducing proarrhythmic effects of neural stimulation. The IMD includes a neural stimulator adapted to deliver an electrical signal through at least one electrode to provide vagal stimulation. The IMD also includes a controller adapted to receive atrial arrhythmia vulnerability data and to control a therapeutic stimulator to limit atrial proarrhythmia using the atrial arrhythmia vulnerability data. The controller is further adapted to receive atrial arrhythmic history data and to control a therapeutic stimulator to limit atrial proarrhythmia using the atrial arrhythmic history data, according to various embodiments. According to one embodiment, the therapeutic stimulator includes the neural stimulator. The therapeutic stimulator includes a cardiac stimulator adapted to provide cardiac rhythm management therapy, according to various embodiments.

Abstract: A system for supplying energy to an implantable medical device when implanted in a patient's body can comprise an internal charger arranged to be implanted in the patient's body, the internal charger comprising a first coil. The system can further comprise an external charger arranged to wirelessly transmit energy to supply power to the internal charger, using a second coil. The system also comprises a wireless feedback system arranged to transmit feedback information from the internal charger to the external charger. The feedback information is based on information from at least one Radio Frequency Identification (RFID) transmitter. Hereby a user of the system can optimize the position of the external power supply in relation to the internal power supply based on the received feedback information. This in turn will result in a better and more robust energy transfer to the implanted medical device.

Abstract: An implantable neural stimulator method for modulating excitable tissue in a patient including: implanting a neural stimulator within the body of the patient such that one or more electrodes of the neural stimulator are positioned at a target site adjacent to or near excitable tissue; generating an input signal with a controller module located outside of, and spaced away from, the patient's body; transmitting the input signal to the neural stimulator through electrical radiative coupling; converting the input signal to electrical pulses within the neural stimulator; and applying the electrical pulses to the excitable tissue sufficient to modulate said excitable tissue.

Abstract: In some examples, a method including wirelessly communicating, using an external medical device, with an implantable medical device via a telemetry head device, wherein the telemetry head device includes a power source configured to supply operational power to the telemetry head device; determining a first power level of the power source while the external medical device wirelessly communicates with the implantable medical device via the telemetry head device; suspending wireless communication between the implantable medical device and the external medical device based on the determined first power level. The wireless communication may be resumed, e.g., at the point communication was suspended, upon determining that the power level of the power source has been increased after the communication was suspended.

Abstract: A method for irradiation treatment planning for a target volume to be irradiated includes specifying a plurality of data sets. The target volume to be irradiated is depicted in each data set of the plurality of data sets. The data sets differ in that the target volume has another position and/or shape. A data set is selected from the plurality of the data sets and other data sets are registered to the selected data set. The method includes forming an amalgamation of the depicted target volumes using the registrations of the other data sets to the selected data set, and determining an area at risk in the selected data set. The method includes modifying the amalgamation of the target volumes such that the area at risk is excluded from the amalgamation of the depicted target volumes. An irradiation treatment plan is calculated using the modified amalgamation of the target volumes.

Abstract: Systems and methods of controlling characteristics of a proton beam emitted from a nozzle of a proton treatment system including one or more beam modifying members to define a characteristic of an emitted proton beam, and a clamping member mounted to the nozzle, the clamping member having one or more receiving portions to receive the one or more beam modifying members therein. In some embodiments, the beam modifying members comprise plate structures and the receiving portions include a plurality of slots spaced apart from one another on opposing surfaces of the clamping member to receive opposing ends of the plate structures.

Abstract: A charged particle beam irradiation apparatus includes: an accelerator which accelerates charged particles and emits a charged particle beam; an irradiation unit which irradiates an irradiation target with the charged particle beam; a transport line which transports the charged particle beam emitted from the accelerator, to the irradiation unit; an energy adjustment unit which is provided at the transport line and adjusts energy of the charged particle beam; a plurality of electromagnets provided further toward the downstream side than the energy adjustment unit in the transport line; an electromagnet power source provided to correspond to each of the electromagnets; and a control unit which controls a parameter of the electromagnet according to the energy of the charged particle beam, wherein the electromagnet power source has a storage unit which stores the parameter of the electromagnet for each layer which is irradiated with the charged particle beam, in the irradiation target.

Abstract: A method and system for non-ablative acne treatment and prevention is disclosed. The method utilizes ultrasound energy which is targeted at a region of interest to treat existing acne and prevent future acne from forming. The application of ultrasound energy causes numerous physiological effects that treat acne. Some of these physiological effects comprise reducing sebum, increasing perfusion at the region of interest, denaturing proteins at the region of interest, creating an uninhabitable environment at the region of interest, initiating programmed cell death at the region of interest and the initiation of mechanical effects at the region of interest.

Abstract: A system and method for fluid control in a thermal therapy system is disclosed. A fluid circuit permits passage of a fluid through a fluid circuit, including into and out of a treatment zone so as to cool or heat or maintain a temperature in said treatment zone at or near a desired temperature. The temperature is sensed at a point in the circuit between a discharge of a fluid pump and the treatment zone. MRI based thermometry of tissue in the treatment zone is accomplished in some aspects. Furthermore, a desired temperature may be programmably set to a given value or within a band of values using a processor and a temperature controller. In some aspects, leakage of fluid from a patient or from the fluid control system is captured by a leak-proof member to protect imaging and treatment equipment from damage.

Abstract: An ultrasonic transceiver device for producing ultrasonic beams comprises a body vibratable at ultrasonic frequencies and an extensive surface for beam emanation, the device configured to produce an unfocused, or alternatively a focused, power beam for thermal tissue damage, the power beam being produced by vibration over the body of the transceiver and emanating from the extent of the surface, whereby the extensive surface becomes subject to convective cooling when immersed in a fluid by a chimney effect set up by said unfocused beam.

Abstract: This invention relates to the use of hydrophilic-rich, rake-type alkylmethylsiloxane-dimethylsiloxane-polyoxyalkylene copolymers. typical values (ranges) x=10-30 y=2-6 z+q=4-5 (q?0.8) p=12 R=dodecyl R?=H, Me A hydrophilic-rich alkylmethylsiloxane-dimethylsiloxane-polyoxyalkylene copolymer is hereby defined as an alkylmethylsiloxane-dimethylsiloxane-polyoxyalkylene copolymer possessing sufficient hydrophilic content such that it can be readily taken up by water at a concentration of at least 15% by mass copolymer with simple stirring at room temperature to yield a stable dispersion of micron and sub-micron sized particles. This definition supercedes the typical values of the formula variables x, y, z, q, and p specified above to include all values that result in the copolymer being hydrophilic-rich. This definition also supercedes the typical identity of R=dodecyl shown above to include R being any alkyl or branched-alkyl chain of any length such that the resulting copolymer is hydrophilic-rich.

Abstract: A mounting device for mounting on a wall of an object comprises an at least substantially form-retaining base part (20) with at least one mounting member (10) and a substantially flexible flap (30), a distal part (32) of which extends substantially freely and laterally from the base part (20) and which is intended and adapted to be connected firmly to a surface of the wall of the object. The base part (20) comprises a form-retaining body which is formed integrally with a solid monolithic core, wherein a proximal part (31) of the flap (30) is incorporated at least substantially tightly in the core material of the body.

Abstract: The invention discloses a fire fighting truck applicable to high-rise and super high-rise building fire suppression, comprising a truck chassis (1), a command control equipment (2), an launch control equipment (3), an equipment compartment (4), an launching apparatus (5), an ejection device (6), a fire extinguishing bomb (7), a turret control apparatus (8) and a photoelectric detection equipment (9), wherein, the command control equipment (2) and the launch control equipment (3) are arranged in the co-pilot position of the cab of the truck chassis (1); the equipment compartment (4) is arranged behind the cab and is fixed on the truck chassis (1) with bolts; the launching apparatus (5) is arranged on the truck chassis (1) and is fixed with screws; the ejection device (6) is arranged and fixed on the launching apparatus (5); the fire extinguishing bomb (7) is arranged within the ejection device (6); the turret control apparatus (8) is distributed on the truck chassis and the launching apparatus for accomplishin

Abstract: An equipment for a remote control of fire extinguishers (10) and/or hydrants, comprising a valve group (16), equipped with a manometer and a pressure switch, which is able to control the operating pressure of the known fire extinguishers (10) and/or hydrants, wherein a plurality of micro-switches (18, 19, 20), connected with a wireless transmitter (21), send the received signals to a remote central control unit (22), that is fully programmable locally or remotely and able to send alarms and/or warnings, depending on the programming carried out, to operators, persons in charge and/or maintainers of fire extinguishers (10) and/or hydrants.

Abstract: A coated corrosion-resistant nozzle with a diffuser configured to support a coating and a coating that, together, inhibit functionally-debilitating corrosion of the nozzle for a desirable period of time within a corrosive environment. The diffuser includes exterior surfaces configured to enhance the corrosion-resistance properties of the coating to extend the duration of the corrosion protection provided to the nozzle by the coating.

Abstract: Embodiments of the invention are directed to an assembly for engaging an end of a vaulting pole, wherein the assembly comprises a base section comprised of a frame configured to be at least partially recessedly installed in the ground. A platform is connected to the base and comprises a top surface comprising a planar surface configured to enable receipt of an end of a vaulting pole during a pole vault plant and at least one padding tray adjacent to a perimeter of the planar surface, which is configured to receive padding. Optionally, a collar of additional padding may be provided comprising at least one padding, wherein the collar is configured for operative coupling to the top surface of the platform.

Abstract: An aquatic exercise device (100) includes a cuff strap (102) for fastening a plurality of fins (106) to a user's leg. The cuff strap (102) is configured to position the plurality of fins (102) to extend outwardly form an interior of the cuff strap (102) when the cuff strap (102) is fastened to an ankle area of the user's leg. The plurality of fins (106) provide resistance in a direction opposite to the direction of motion of the user's foot when the aquatic exercise device (100) is moved through water.

Abstract: An omnidirectional exercise device including a platform having a top surface and a bottom surface with the top surface extending generally in a first plane. At least one omnidirectional movement assembly is secured relative to the bottom surface such that the platform is supported for omnidirectional movement. A hand securement assembly, which may be in the form of a glove member, is positioned along the top surface and configured to secure a user's hand relative to the top surface such that the user's hand is substantially parallel to the first plane. Each exercise device may include one or more stoppers extending from the bottom of the platform to selectively immobilize the device. A pair of the omnidirectional exercise devices may be joined together to form a system wherein both devices move omnidirectionally in unison.

Abstract: A weight apparatus includes a bar including a handle rotatably attached to an anchorage. The anchorage includes a body and at least one radially extendable and retractable pin, the pin being movable relative to the body between an innermost position and an outermost position. An end of the pin extends radially beyond an external surface of the body when the pin is in the outermost position. The apparatus further includes a weight including a weight opening in which the anchorage is adapted to be received. The weight includes a radially extending pin opening adapted to receive the pin when the pin is in the outermost position to attach the weight to the anchorage. An arrangement is provided for driving the pin to the outermost position upon rotation of the handle relative to the anchorage.

Abstract: An exercise device is provided with a frame, two pedals, two first swing arms, two second swing arms, a resistance device, two link rods, two cranks, two limiting rods, and two roller assemblies. Each first swing arm has two ends, in which one end pivotally connects to the frame, and the other connects to one of the two second swing arms. Each second swing arm has two ends, in which one end connects to one first swing arm, and the other connects to one pedal. The resistance device has an axle. Each crank includes two ends, one end connecting to the axle, and the other connecting to one link rod. Each link rods includes two ends, one end connecting to one crank, and the other connecting to an area of one second swing arm. Each roller assembly connects to one second swing arm, and can slide along one limiting rod.

Abstract: An exercise apparatus may provide a novel linkage assembly suitable for linking circular motion to relatively more complex, generally elliptical motion. Left and right rocker links may be rotatably mounted on a frame rotatable about a first axis. Left and right cranks may be mounted on the frame rotatable about a second axis. Left and right force receiving members may be movably connected between respective rocker links and cranks in such a manner that the force receiving members move through variable paths of motion that may change as a function of user applied force.

Abstract: A system for balance training exercise comprises a rigid balance board having a substantially planar top surface. First and second rails are positioned on a bottom surface of the balance board, substantially opposite each other. A nose cap is positioned on a front end of the balance board. A tail cap is positioned on a rear end of the balance board. A bottom surface of the first and second rails, the nose cap, and the tail cap are substantially co-planar. A nose stop is positioned on the nose cap and a tail stop is positioned on the tail cap, wherein the nose and tail stops extend beyond the bottom surface of the nose and tail caps, respectively. A balance device is removably positioned in contact with the bottom surface of the balance board or the bottom surface of the first and second rail, the nose cap, and the tail cap.

Abstract: The invention provides an apparatus, system and method for reducing the size of portable rotary motion exercise devices. Flexible materials in contact with the user or a piece of furniture is part of the connection between the user and the exercise device. Multiple wraps of a band around a shaft provide adjustable rotational resistance.

Abstract: A leg stretching device includes a base frame, a support plate adjustably coupled to the base frame, a leg tube including a proximal end hingedly connected to the base frame and a distal end, a foot plate disposed at the distal end of the leg tube, and an actuation assembly including an actuation tube hingedly connected to the base frame and an actuation bar slidably disposed within the actuation tube and hingedly connected to the leg tube. The actuation assembly includes an actuator motor for moving the actuation bar relative to the actuation tube to reposition the leg tube relative to the base frame.

Abstract: Systems and methods provide feedback to at least one participant in a field of play. A performance analysis device determines performance information of each participant in the field of play, where the performance information is based upon at least one of determined location, speed, path, acceleration and biometrics of said each participant. At least one output device provides real-time feedback to the at least one participant based upon the performance information. The real-time feedback comprises performance information of the at least one participant and/or performance information of one or more other participants in the field of play.

Abstract: In a first aspect, a method is provided that includes the steps of (1) providing a monitor for determining a level of exercise performance performed by an exerciser and for outputting a signal representative of the performance level; (2) using the monitor to measure a level of exercise performance performed by an exerciser; (3) outputting from the monitor a signal representative of the performance level; (4) providing a video game having a character, the video game inputting and being responsive to the performance level signal output by the monitor, the video game using the performance level signal to control a performance level of the video game character; and (5) while the exerciser is not exercising, controlling a performance level of the video game character based on a performance level signal output by the monitor.

Abstract: The present invention provides a golf ball wherein each hemisphere has a dimple pattern based on a pyramid having dissimilar sides. The resulting overall dimple pattern is not based on preexisting polyhedral, and is not attainable using conventional dimple packing methods.

Abstract: A golf ball has a cover with a Shore D hardness of at least about 59 and a coating on the cover that has at least one of (a) a pencil hardness of 2 B or less, (b) a Sward hardness of about 40 or less, or (c) a Hit (Young's Modulus)<20 N/mm2 and hmax>0.55 micrometer.

Abstract: A golf ball has an inner core layer including a thermoplastic highly-neutralized ionomer and having a geometric center hardness less than a surface hardness to define a first positive hardness gradient. An outer core layer is formed about the inner core and includes a homogenous thermoset composition. The outer core has an interior hardness less than an outer surface hardness to define a second positive hardness gradient. An inner and outer cover layers are disposed about outer core layer. The first and second hardness gradients each have a slope and the slope of the second hardness gradient is less than the slope of the first hardness gradient such that a ratio of the first and second slopes is 0.8 to 0.85.

Abstract: An object of the present invention is to provide a golf ball excellent in flying performance, in particular, to provide a golf ball traveling a great flight distance. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d) a carboxylic acid, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the ?,?-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.

Abstract: An ultra-low compression three-piece golf ball is disclosed herein. The core preferably has a PGA compression less than 30. The mantle layer and cover have approximately the same thickness. The cover comprises a thermoplastic polyurethane material and has a specific gravity greater than the core and mantle layer. The golf ball has a PGA compression less than 75 and a COR of at least 0.780.

Abstract: A golf club with a golf club head having non-metallic fasteners is presented. The club head may include a face member, a body member, a sole member and a crown member. The various portions of the club head may be connected using mechanical fasteners, such as screws. In some arrangements, the screws may be formed of a non-metallic material, such as a composite material, in order to reduce weight associated with the club head. In some arrangements, a portion of the mechanical fasteners may be formed of a non-metallic material and may be placed in regions of the club head where reduced weight is desired, while another portion of the fasteners may be formed of metal or other heavier material and may be placed in regions where additional weight may be desired.

Abstract: A golf club head incorporating a stress reducing feature including at least one sole located stress reducing feature located at least partially on the sole. The location, curvature, and size of the sole stress reducing feature, and their relationship to one another, and other club head engineering variables, improve the performance of the club head.

Abstract: A treatment that can be applied to the face of a golf club head complies with USGA regulations but imparts certain advantageous characteristics. The treatment can comprise a certain pattern and can be imparted to the club head via laser etching, diamond cutting, chemical etching or any other process that will achieve the desired result. In accordance with USGA rules, the treatment must cover the intended area of impact on the golf club face.

Abstract: A golf club head with improved striking face performance is disclosed herein. More specifically, the present invention discloses a golf club head having a thickened central region surrounded by an internal and an external transition region; wherein the thickened central region has an inner perimeter that takes on a shape that substantially resembles the shape of an outer perimeter of the striking face of the golf club head.

Abstract: A high forgiveness wood-type golf club head comprises a body and a face. The body comprises a sole that forms a bottom portion of the golf club head, a crown that forms a top portion of the golf club head and a skirt that forms a periphery of the golf club head between the sole and the crown. The face place is positioned at a front portion of the golf club head opposite a rear portion of the golf club head. The body defines an outer periphery having a generally triangular shape in plan.

Abstract: A golf club head having a translucent insert disclosed. The club head includes a body defining a striking face, a top line, a sole, a back, a heel, and a toe. The back contains a cavity that extends in a direction substantially perpendicular to the face. A recess is provided within the cavity, with the recess extending away from the cavity and toward the sole. The recess causes more of the club head mass to be oriented towards the perimeter of the club head, and optionally also toward the back of the club head. This enlarges the club sweet spot and increases the moment of inertia, and facilitates imparting a desired flight path to a struck golf ball, producing a more forgiving club. The recess may have a varying depth and/or a varying draft angle. A rear wall of the recess may be provided with a cutout to further reposition mass toward the club head perimeter. A translucent insert, such as a vibration dampening member, may be provided within the recess.

Abstract: A face insert comprising a planar member composed of a rigid material such as plastic or metal and a polymeric backing is disclosed herein. The planar member, which makes contact with a golf ball during use, includes a plurality of geometrically-shaped holes, each of which comprises a perimeter edge that has a variable radius to further optimize performance of the face insert. In some embodiments, one or more of the holes extends completely through the planar member, i.e. is a through-hole, and the polymeric backing includes at least one protrusion with an angled upper surface that is sized to extend into a through-hole and further improve performance of the face insert. The face insert described herein can be used with any type of golf club head, including putters, woods, irons, and hybrids, and the holes may take any shape, including oval, hexagonal, and chevron.

Abstract: A shaft 6 includes full length layers provided wholly in a longitudinal direction of the shaft, and a tip end partial layer provided on a tip part of the shaft. The full length layers include a bias layer and a straight layer. The tip end partial layer includes an inner glass fiber reinforced layer. When a full length of the shaft is defined as Ls, and a distance between a tip end of the shaft and a center of gravity G of the shaft is defined as Lg, a ratio (Lg/Ls) is equal to or greater than 0.52 and equal to or less than 0.65. A weight of the shaft is equal to or less than 65 g. Preferably, the inner glass fiber reinforced layer is positioned inside the bias layer.

Abstract: A tubular steel golf shaft comprising a grip section, a tapered mid-section and a tip section. A loading zone is selectively formed along a portion of the shaft, preferably in the tapered mid-section, comprising a continuous series of closely spaced micro-steps, or reductions in diameter, each of which are less than 0.5 inches in length. Each micro-step section, in the direction from the grip section toward the tip section comprises a first peak which descends to valley and then ascends to a second peak. The diameter of the first peak is greater than the diameter of the second peak. A method of manufacturing the golf shaft is also disclosed.

Abstract: An overgrip for a golf club is provided that includes a shell defining an interior and an open end, with a soft material disposed within the interior of the shell and capable of conforming to the shape of a club inserted into the interior through the at least one open end to engage the club. The shell can be formed with a pair of halves joined by a hinge to assist in the positioning of the club within the overgrip and can additionally include a locking mechanism to selectively hold the shell in engagement with the club positioned therein.

Abstract: A golf club cleaner includes a container and a cleaning unit with a free end spaced from a base of the container for a club face to be positioned and cleaned.

Abstract: The present invention relates to a detection unit comprising detection means for detecting the occurrence of an event. The detection unit further comprises processing means for controlling the operation of the detection unit and communication means for transmitting and receiving activation signals for interacting with further detection units. The processing means are designed for placing the detection unit into active mode upon receipt of an incoming activation signal, and furthermore for transmitting, in the active mode, an outgoing activation signal to at least one of said further detection units upon detection of an event and placing the detection unit into passive mode. The invention further relates to a detection system comprising a multitude of detection units as described and to a method for controlling a detection unit.

Abstract: A training device for thrown or pitched balls at a target is disclosed, especially useful for basketball training, in which a hyperbolic paraboloid surface deflects the approaching ball at a known angle in a manner in which the returned ball will strike a mat. The mat includes indicia which can be diagnostically useful in determining the proper correction to the throw or pitch.