Abstract: Systems and techniques may be used for radiotherapy. An example system may include a fixation device arranged to receive and immobilize a patient. The example system may include a first filter arranged to extend along a first portion (e.g., a spine or cranium) of the patient, the first filter attached to the fixation device at a first location, the first filter including a plurality of beam attenuating elements. The example system may include a fixed beam proton delivery system arranged to deliver a therapeutic proton radiation dose attenuated via the first filter to the first portion of the patient.

Abstract: Disclosed herein are systems and methods for identifying radiation therapy treatment data for patients. A processor accesses a neural network trained based on a first set of data generated from characteristic values of a first set of patients that received treatment at one or more first radiotherapy machines. The processor executes the neural network using a second set of data comprising characteristic values of a second set of patients receiving treatment at one or more second radiotherapy machines. The processor executes a calibration model using an output of the neural network based on the second set of data to output a calibration value. The processor executes the neural network using a set of characteristics of a first patient to output a first confidence score associated with a first treatment attribute. The processor then adjusts the first confidence score according to the calibration value to predict the first treatment attribute.

Abstract: An example method for a radiation therapy system that includes a movable couch to perform radiation therapy has been disclosed. One method includes based on the X-ray images of an anatomical region of the patient that includes a target volume, reconstructing a digital volume of the anatomical region and based on a user input indicating a location of a patient origin in the digital volume, determining one or more shift values for repositioning the patient origin at an isocenter of the radiation therapy system with respect to a coordinate system. The method also includes obtaining a treatment plan that is based on the location of the patient origin and is associated with the target volume, based on the treatment plan, repositioning the movable couch so that the patient origin is disposed at the isocenter, and while the patient origin is disposed at the isocenter, directing a treatment beam to the patient origin in accordance with the treatment plan associated with the target volume.

Abstract: A control method for positioning is provided, which is applicable to a radiotherapy system. The method includes: acquiring a plurality of first body surface coordinates of a target site in a three-dimensional body surface image of a treatment object on a treatment couch; acquiring a plurality of second body surface coordinates under an isocentric coordinate system by transforming the first body surface coordinates using a target transformation matrix corresponding to the first placement position; determining, based on the plurality of second body surface coordinates and a contour image of the target site in the treatment plan, a placement offset of the target site, so as to control the treatment couch to move until the placement offset of the target site upon the movement meets a target offset requirement.

Abstract: The present relates to a positioning and shaping shell manufacturing method for manufacturing a positioning and shaping shell comprising a positioning step consisting in positioning and supporting a target body portion with a transparent body shaper in a predetermined position on a positioning board presenting at least one transparent portion permitting scanning through it, an image acquisition step consisting in a target body portion surface scan imaging also via the transparent portion of the board and said transparent body support, a software computing step where the acquired image data are sent and processed in a processing unit, and a producing step consisting in producing a 3D positioning and shaping shell model via additive or subtractive manufacturing method based in the processed image data.

Abstract: A positioning method realized by a computer including acquiring a gamma angle for treatment; acquiring first coordinates of a treatment couch, the first coordinates being coordinates of the treatment couch when a preset shooting point coincides with an imaging point of an image guidance system (IGS); determining a first relative position between a target point of an affected part and the imaging point according to the gamma angle for treatment; acquiring a second relative position between the imaging point and an equipment isocenter; calculating second coordinates of the treatment couch at the gamma angle for treatment when the target point coincides with the equipment isocenter according to the first coordinates, the first relative position and the second relative position; and adjusting a position of the treatment couch according to the second coordinates.

Abstract: A method of a radiotherapy or radiosurgery treatment comprises steps of: (a) providing a converging x-ray beam source configured for emitting a converging X-ray beam propagating along an axis thereof; (b) emitting the converging x-ray beam towards a volume of treatment (VOT) having a length along the axis of the converging X-ray beam ranging between 2 mm and 5 cm within a patient's body such that a waist portion is within the VOT; (c) propagating the beam through tissues previously located relative to the VOT (PO); the VOT per se and tissues distally located to the VOT (DO). The converging X-ray beam characterized by a convergent angle ranging between 2 and 30 degrees providing 80% to 100% of a maximum dose is received by the VOT and less than 60% of the maximum dose is received by the PO and the DO.

Abstract: The system and process of therapeutic and effective cavitation by using ultrasound to collapse gas vesicles as well as cavitate the bubbles produced from the collapsed gas vesicles. Therapeutic effect includes, but is not limited to lysing cells by cavitation. The cells expressing the gas vesicles can optionally be used as delivery cells to preform tasks such as transporting the gas vesicles into deep tissue areas, releasing compounds at the cavitation site, and more. The gas vesicles can optionally be modified to facilitate getting the bubbles near the cavitation targets by functionalizing the gas vesicles.

Abstract: Systems and methods can include wearable, non-invasive ultrasound modalities for treating a variety of medical conditions, including but not limited to peripheral vascular disease. The modality could be therapeutic ultrasound (TUS), and be configured to promote angiogenesis within a patient via stimulation of cavitation and shear stress, among other mechanisms.

Abstract: This invention relates to oral care compositions comprising a basic amino acid or salt thereof, a zinc source, and a preservative, as well as to methods of using and of making these compositions.

Abstract: An oil, water, and gas separator assembly connects a fire extinguishing assembly. When the extinguisher assembly is in operation, sensors indicate an indication to a processor system. If the indication, after processing by the processor system, indicates an unwanted fire condition, the processor actuates the movement of fire extinguishing agent or suppressant from a source of supply to and through a distribution network and into the various hollows delimited by the separator assembly and to the external environment.

Abstract: The present invention is an electric vehicle charger-mounted transformer with a system that enables AC power generated from the lower voltage side of the transformer to be converted into electric vehicle charging power, and at the same time, the electric vehicle to be charged, and in more detail, an electric vehicle charger includes a slow-charging device and a fast-charging device, the slow-charging device and the fast-charging device are connected to automatic fire extinguishing devices, respectively, and the automatic fire extinguishing devices automatically operate when the automatic fire extinguishing devices detect that at least one of a temperature of the slow-charging device and a temperature of the fast-charging device rises above a given temperature or detect generation of smoke.

Abstract: A fire extinguishing system includes a storage vessel and a fluidic oscillator. The storage vessel is configured to contain a fire extinguishing agent. The fluidic oscillator is configured to receive the fire extinguishing agent from the storage vessel, and discharge a continuous jet of the fire extinguishing agent while oscillating the jet back and forth through a sweep angle.

Abstract: A forest fire retardant composition contains a retardant compound that includes a potassium salt. The potassium salt may include a potassium salt of an organic acid, a potassium salt of an inorganic acid, or mixtures thereof. The organic acid may include formic acid, acetic acid, propanoic acid, butanoic acid, lactic acid, oxalic acid, malic acid, gluconic acid, tartaric acid, uric acid, malic acid, or citric acid. The inorganic acid may include sulfuric acid, phosphoric acid, carbonic acid, or hydrochloric acid. The composition may be in the form of a dry concentrate, a liquid concentrate, or a final diluted product. The final diluted product is effective in suppressing, retarding, and controlling forest fires while exhibiting corrosion resistance and low toxicity.

Abstract: A collapsible juggling club is disclosed herein. The collapsible juggling club can include an end portion, a plurality of intermediate portions, and a handle portion. The end portion defines a cavity and includes a first diameter. The handle portion includes a second diameter that is less than the first diameter of the end portion. The plurality of intermediate portions include descending diameters and are arranged telescopically between the end portion and the handle portion, such that the juggling club can telescopically transition between a collapsed condition, wherein each intermediate portion of the plurality is nested with the cavity defined by the end portion, and an extended condition, wherein the end portion, each intermediate portion of the plurality, and the handle portion are secured to an adjacent portion via a friction fit.

Abstract: An isolator arms attachment for an exercise system includes a first arm having a first receiver assembly to engage with a first user engageable device; a first shaft coupled to the first arm and to connect the first arm to the exercise system; and a first counterweight assembly coupled to the first arm near a second end. A second arm having a second receiver assembly to engage with a second user engageable device; a second shaft coupled to the second arm near the second end and to connect to the exercise system; and a second counterweight assembly coupled to the second arm near the second end. The first arm and the second arm are to be manipulated by a user such that the first arm and the second arm provide resistance to the user.

Abstract: The present disclosure relates to a hula hoop. The hula hoop includes a track assembly with a plurality of track units interconnected end-to-end and a slider provided with rollers. The track unit includes an outer track having a receiving channel located at a first end and a protruding portion located at a second end opposite to the first end, a pressing component configured to secure two adjacent track units, and an inner track for jointly defining a circular path with the outer track. The rollers of the slider are configured to slide along the circular path. The hula hoop of the present disclosure is easy to assemble and disassemble.

Abstract: An exercise device includes a footwear part, a brace part and at least one resistance band. The footwear part has a foot receiving portion configured to receive a front portion of a user's foot. The brace part is configured to be releasably attached to a knee area of the user. The at least one resistance band is configured to be releasably secured at opposite ends thereof to the footwear part and brace part, respectively. The exercise device can be used, among other things, for conditioning and strengthening, for aerobic exercises, and to help individuals maintain proper foot placement throughout an entire exercise and improve their form by helping them stay on their forefoot when performing an exercise dealing with brisk walking or running.

Abstract: A low friction rehabilitation board having an integral band retaining feature is described. The rehabilitation board may have a coefficient of static friction of no more than about 0.5 and in some embodiments no more than about 0.06. The rehabilitation board has a plurality of band retaining feature configured along one or both ends and may be an integral band retaining features being formed in the board. Additionally, the rehabilitation may include one or more band retaining features on one or both sides of the board. The unique configuration of the band retaining features enables rehabilitation method heretofore not possible with a single board. Resistance bands may be retained in the band retaining features and coupled to a users limb, such as a foot or ankle, to resist motion, such as sliding or extending the foot along the low friction surface of the rehabilitation board.

Abstract: The present disclosure relates to the technical field of gym equipment, in particular, to a novel rowing machine capable of being folded for storage, including a first bottom frame and a second bottom frame which are hinged to each other, wherein a bottom of the second bottom frame is folded to be fitted to a bottom of the first bottom frame; side surfaces of the first bottom frame and the second bottom frame are correspondingly provided with a first pillar and a rotatable handle; the rotatable handle is hinged to the side surface of the second bottom frame; the rotatable handle is rotated to be clamped with the first stop pillar to prevent the folded first bottom frame and second bottom frame from being unfolded; the rotatable handle is further in threaded connection with a screwing piece; and the screwing piece is rotated to drive the rotatable handle to move to lock and fix the folded first bottom frame and second bottom frame.

Abstract: Disclosed embodiments include wearable devices and techniques for detecting walking workouts. By accurately and promptly detecting the start of walking workouts activities and automatically distinguishing between walking workout and causal walking activities, the disclosure enables wearable devices to accurately calculate user performance information when users forget to start and/or stop recording walking workouts.

Abstract: An exercise recommendation system determines a current capability of a user. The exercise recommendation system accesses an exercise history for a user. The exercise history comprises an exercise performed by the user and a capability of the user each time the user performed the exercise. The exercise recommendation system partitions the exercise history into a plurality of time periods, and, for each time period, computes an aggregate capability of the user for the exercise during the time period. The exercise recommendation system calculates a moving average capability of the user for the exercise based on the aggregate capabilities and determines a current capability of the user for the exercise based on the moving average capability. The current capability of the user may be discounted at least in part based on how recently the user performed the exercise.

Abstract: An electronic device and method for data-driven assistance for users involved in physical activities is provided. The electronic device receives first sensor data associated with a movement pattern of one or more parts of a body of a user and receives first information associated with a location where the user performs the physical activity. The electronic device determines one or more first indicators which are likely to have affected the user or the performance of the user in the physical activity. Thereafter, the electronic device generates presentation data based on an application of a first machine learning model on the determined one or more first indicators and the received first information. The generated presentation data includes one or more improvement suggestions for the user in relation to the physical activity. The electronic device controls a display device to display the presentation data.

Abstract: An exercise machine includes a first housing, a central electromagnetic resistance unit, a resistance mechanical interface, and a mechanical expansion portion. The resistance mechanical interface includes a spool and a cable configured to provide a force from the central electromagnetic resistance unit in response to a control interface that receives commands from an exercise actuator. The cable extends out from a first side of the first housing. The mechanical expansion port is configured to link the first housing to a second housing via a mechanical attachment. The mechanical expansion port is located at a second side of the first housing. The second side of the first housing is adjacent to the first side of the first housing.

Abstract: The training machine assembly comprises at least one control device and at least one training resistance. Each of the at least one training resistance comprises at least one training resistance value, such as a force applied towards the user contact element, e.g. a handle. The training resistance value can also comprise a function or a vector, for example a function linking a speed of movement of a user and/or a user contact element and a force applied against said movement. The control device can be a control device for controlling the training machine assembly. The training resistance can comprise an actuator. The actuator can comprise an electric motor. The training resistance can comprise a weight. The training resistance can comprise another element configured to provide a resistance against a movement of the user. The training machine assembly can comprise at least one camera.

Abstract: An object of the present invention is to provide a golf ball having oily stain washability or weed juice stain resistance that is adjustable depending on a temperature. The present invention provides a golf ball comprising a golf ball body and a paint film composed of at least one layer and covering the golf ball body, wherein a molecular chain of a base resin constituting an outermost layer located at an outermost side of the paint film has a graft chain, and 80 mole % or more of repeating units constituting the graft chain includes any one of repeating units represented by formulae (1) to (4): [In the formulae (1) to (4), R1 to R5 each independently represent hydrogen, halogen or an organic group.].

Abstract: The invention discloses a multifunctional trampoline, which relates to the field of children's entertainment. The utility model relates to a multifunctional trampoline, which comprises a football frame. The left wall surface of the football frame is fixedly provided with a bottom support frame, the outer thread of the bottom support frame is provided with a top vertical strut, the upper end surface of the bottom support frame is welded with a circular frame, and the circular frame is formed by inserting a multi end arc frame and fixedly connecting with bolts, and the top surface of the circular frame is provided with a trample cloth, The top vertical strut is provided with a top connecting device, and the inner side of the top connecting device is fixedly connected with a purse seine, the inner side of the top vertical strut is provided with an arc contact block.

Abstract: A golf club head having a laser-generated features to create contrast on the club face of the golf club head. The club face includes a central region, a toe region, and a heel region. The central region includes a first plurality of laser-generated features that provide a height-intersection coverage of the central region, a width-intersection coverage of the central region, and a surface-area coverage of the central region. The laser-generated features increase the surface roughness value of the external surface of the club face by imparting micro-grooves that have an average groove depths of between about 45 ?m and about 60 ?m.

Abstract: A head includes a body member that has an opening, and a face member that includes a striking face and closes the opening. The face member includes a face portion that forms the striking face, and a peripheral portion that extends from a peripheral edge of the face portion toward a back side. The peripheral portion of the face member is welded to the body member. A weld bead that juts from the inner surface of the head is formed at a boundary position between the peripheral portion and the body member. A wall thickness at a face-side end point of the weld bead is greater than a wall thickness at a body-side end point of the weld bead. The peripheral portion has a length of less than or equal to 6 mm.

Abstract: A golf club head having localized heat treatment is described herein. Other embodiments are disclosed.

Abstract: Disclosed herein is an iron-type golf club head that comprises a body, made of a first material having a first density. The iron-type golf club head also comprises a weight located within the internal cavity. The iron-type golf club head further comprises a filler material that has a density no less than 0.21 g/cc. The filler material has a mass no less than 2.5 grams and no more than 8 grams. The internal cavity has an internal cavity volume ranging between 5 cc to 20 cc. A ratio of the internal cavity volume to external club head volume ranges between 0.14 and 0.385. The internal cavity has a minimum front-to-back depth above a midplane of the golf club head of no less than 1.4 mm and a maximum front-to-back depth of the internal cavity above the midplane of the golf club head is no more than 13 mm.

Abstract: Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head includes a body portion, a face portion with at least one back groove portion, a filler material in an interior cavity of the body portion, a first mass portion having a center of gravity (CG) location CGM1X, CGM1Y, CGM1Z, and a second mass portion having a CG location CGM2X, CGM2Y, CGM2Z. The first mass portion and the second mass portion have different shapes. A distance between CGM1X and CGM2X is greater than or equal to 0.5 inch and less than or equal to 2.0 inch, between CGM1Y and CGM2Y is less than or equal to 0.25 inch, and between CGM1Z and CGM2Z is less than or equal to 0.1 inch. Other examples and embodiments may be described and claimed.

Abstract: A golf club head with a hosel hole cover that helps improve the performance of the golf club head is disclosed. More specifically, the present invention relates to a golf club head having a hosel hole cover at a bottom portion of an interchangeable connection system that not only provides improved performance of the golf club head by strategically utilizing an existing opening to adjust the weighting of a golf club head, but it also improves the aerodynamics of the golf club head by eliminating undesirable recesses that could be detrimental to the aerodynamics of a golf club head.

Abstract: An assembled type golf bag includes a head frame, a bottom base, a support frame, a main bag body, a lower hoop, and an upper hoop. An upper end of the support frame is detachably connected to the head frame, and a lower end of the support frame is detachably connected to the bottom base. A lower end of the main bag body is connected to the lower hoop, and an upper end of the main bag body is connected to the upper hoop. The main bag body is used to be sleeved outside the bottom base, the support frame and the head frame sequentially from bottom to top, the lower hoop on the lower end of the main bag body is detachably connected outside the bottom base, and the upper hoop on the upper end of the main bag body is detachably connected outside the head frame.

Abstract: A grip lock bottom for a golf bag and a golf bag are provided, wherein the grip lock bottom includes: a lower housing; an inner lining element, the inner lining element being arranged in the lower housing, the inner lining element being provided with a plurality of separating members, the separating members dividing a plurality of separating grooves in the inner lining element, the inner lining element being provided with a plurality of resilient pressing members for pressing against a golf club grip on both sides of the separating grooves; and a connecting member, the connecting member being mounted on the lower housing and pressing and fixing the inner lining element in the lower housing, a top of the connecting member being connected to a bag body of the golf bag.

Abstract: A laser mandrel system that self-centers within a hosel bore of a golf club head to allow for precision adjustment of lie and loft is disclosed herein. The mandrel includes a one-piece housing with upper and lower portions, a laser centered within the upper portion of the housing, and a plurality of o-rings extending around an exterior or interior surface of a lower portion of the housing.

Abstract: A headcover for a golf club includes a body formed layer by layer upon a build plane during an additive manufacturing process. The body defines a chamber adapted to receive a golf club head and includes a heel end, a toe end, and a plurality of sidewalls. The headcover further includes a lattice structure formed unitarily on a portion of the body during the additive manufacturing process. The lattice structure extends over at least a portion of each of the plurality of sidewalls and the toe end of the body.

Abstract: A modular mini-golf obstacle kit to allow individual creativity by enabling users to design their own miniature golf hole. The kit may have a number of various types of pieces and obstacles, each including uniform connecting mechanisms so that the pieces can interlock with one another in a variety of combinations. This allows for flexibility in design so each user can construct their own perfect mini golf hole anywhere they take the kit.

Abstract: A recreational assembly includes a body, the body defining an aperture extending through the thickness of the body from the upper surface to the lower surface, and two lumens extending within the body. The assembly also includes two or more stringers removably insertable into the lumens, respectively, and a plug removably insertable into the aperture of the body. The plug includes upper and lower plates configured to be secured within the aperture. Each of the upper and lower plates includes an anchor on one side configured to connect with an end of one of the stringers.

Abstract: A support device for a bicycle includes a support structure, a fixing group supported on the support structure and also includes a movable element and a retention element configured to hold the front fork of the bicycle. The support device also includes a lifting/lowering device of the fixing group, in which the retention element is integral in translation with the movable element. The support device further includes connection means configured for slidingly fixing said fixing group to the support structure in such a way as to allow displacements of the fixing group with respect to the support structure along a compensation direction transverse to the vertical direction.

Abstract: A method and a device are for simulating a golf shot for a user. The method includes receiving golf course information and receiving historical golf shot capabilities of the user in combination with generating at least one current golf shot simulation based on a current position of a golf ball on the golf course, the golf course information and the historical golf shot capabilities of the user and determining a strategy for the current golf shot based on the at least one current golf shot simulation.

Abstract: A wrist worn muscle movement monitoring device includes a wrist strap; a sensor that responds to muscle movement at a wrist wearing the wrist strap; and monitoring circuitry connected to the sensor.

Abstract: A golf training aid is disclosed for use with alignment sticks. The golf training aid includes an elongate member with a longitudinal axis and a first and second set of holes. The first set of holes is space apart farther than the second set. The elongate ember also has a target alignment hole positioned in between the first and second set of holes. All the holes are constructed to receive and hold an alignment stick. The golf training aid has least two configurations: a wide hitting box configuration and a narrow box configuration.

Abstract: A suspended mounting and exercise apparatus suspended from an overhead structure, comprising: a form; and at least one anchoring point comprising a plurality of stalls affixed to the form, wherein the form is affixed to the overhead structure via the at least one anchoring point.

Abstract: An exercise machine with a movable belt includes a guard assembly with a flexible guard that extends towards the rear axis and is spaced apart from the movable belt by a first gap and is exposed by the housing body, a rigid guard positioned downstream of the flexible guard with respect to a moving direction of the belt and spaced apart from the movable belt by a second gap, and a channel disposed between the flexible guard and the rigid guard. The guard assembly protects the user from injury and prevents damage to the exercise machine.

Abstract: An electronic tracking system for assisting a user in determining distances to landmarks and objects in a sporting environment includes a user tracking system for determining the location of a user, a heads up display for displaying information to the user, and a processor operable to communicate with the user tracking system and the heads up display. The heads up display is designed to be worn on the user's head, and to display an image within the user's field of view. The processor is programmed to determine a distance between the user's determined location and an object or a landmark on. This information is displayed via the heads up display as a numeric representation of the determined distance.

Abstract: An exercise assistance device includes a data obtainer that obtains motion data on a motion of an arm of a user that is taking exercise while swinging the arm, and at least one processor that obtains a type of arm swing form of the user, based on the motion data obtained by the data obtainer.

Abstract: An exercise machine with visual guidance for providing an instructional lighting system for use with an exercise machine. The exercise machine with visual guidance generally provides for a novel exercise machine comprising an exercise platform movable substantially the length of one or more longitudinal rails, and a lighting system to instruct the exerciser on such exercise elements that may include the direction, pace or intensity of the exercise.

Abstract: A skateboard truck system is configured so that a hanger assembly can be quickly and easily removed and replaced without use of tools and while maintaining stability and high performance. The truck system comprises a deck plate that is configured to be permanently attached to a skateboard deck. A base can be releasably coupled to the deck plate. A conventional hanger assembly can be attached to the base.

Abstract: Rate of deceleration is an important factor in determining the severity of injuries, such as head and neck injuries, possibly sustained when participants collide with a wall assembly while playing, for example, ice hockey. The described wall assemblies each include a support assembly and a movable wall assembly supported by and movable with respect to the support assembly. Telescoping parts of the movable wall assembly enable deflection of the movable wall assembly to complex angles with respect to the support assembly. In addition, movable wall assemblies can be coupled such that impact on one wall assembly can cause deflection of an adjacent wall assembly. Covers, shields, and spacers can be positioned to decrease gap formation during deflection of the movable wall assembly to reduce the risk of pinch points.