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Wheelchair Power Add-on
A wheelchair power add-on or power assist is a medical device Class I that provides manual wheelchair users with an easy-to-use power boost. It is designed for people who are unable to walk but who can independently move in a wheelchair. Thanks to quick adjustment possibilities and easy clip-on systems for a wide variety of wheelchairs, power add-ons may be used by people with a wide variety of walking impediments. A power add-on reduces the effort required to propel a wheelchair. Users may achieve the maximum degree of independence and be able to gain more independent freedom on ramp into home, over thresholds, on carpet, on inclines and other obstacles with greater ease, and will be able to travel further with more endurance to function throughout the day at the level needed to maintain the active lifestyle. In most cases, wheelchair power add-on has a lithium-ion battery allowing long run before needing a charge and compact, but powerful brushless DC electric motor. Wheelchair ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wheelchair Front Drive Power Add-on Diagram
A wheelchair is a chair with wheels, used when walking is difficult or impossible due to illness, injury, problems related to old age, or disability. These can include spinal cord injuries (paraplegia, hemiplegia, and quadriplegia), cerebral palsy, brain injury, osteogenesis imperfecta, motor neurone disease, multiple sclerosis, muscular dystrophy, spina bifida, and more. Wheelchairs come in a wide variety of formats to meet the specific needs of their users. They may include specialized seating adaptions, individualized controls, and may be specific to particular activities, as seen with sports wheelchairs and beach wheelchairs. The most widely recognized distinction is between motorized wheelchairs, where propulsion is provided by batteries and electric motors, and manual wheelchairs, where the propulsive force is provided either by the wheelchair user or occupant pushing the wheelchair by hand ("self-propelled"), by an attendant pushing from the rear using the handle(s), or b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Medical Device
A medical device is any device intended to be used for medical purposes. Significant potential for hazards are inherent when using a device for medical purposes and thus medical devices must be proved safe and effective with reasonable assurance before regulating governments allow marketing of the device in their country. As a general rule, as the associated risk of the device increases the amount of testing required to establish safety and efficacy also increases. Further, as associated risk increases the potential benefit to the patient must also increase. Discovery of what would be considered a medical device by modern standards dates as far back as c. 7000 BC in Baluchistan where Neolithic dentists used flint-tipped drills and bowstrings. Study of archeology and Roman medical literature also indicate that many types of medical devices were in widespread use during the time of ancient Rome. In the United States it wasn't until the Federal Food, Drug, and Cosmetic Act (F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wheelchair
A wheelchair is a chair with wheels, used when walking is difficult or impossible due to illness, injury, problems related to old age, or disability. These can include spinal cord injuries ( paraplegia, hemiplegia, and quadriplegia), cerebral palsy, brain injury, osteogenesis imperfecta, motor neurone disease, multiple sclerosis, muscular dystrophy, spina bifida, and more. Wheelchairs come in a wide variety of formats to meet the specific needs of their users. They may include specialized seating adaptions, individualized controls, and may be specific to particular activities, as seen with sports wheelchairs and beach wheelchairs. The most widely recognized distinction is between motorized wheelchairs, where propulsion is provided by batteries and electric motors, and manual wheelchairs, where the propulsive force is provided either by the wheelchair user or occupant pushing the wheelchair by hand ("self-propelled"), by an attendant pushing from the rear using the handle( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lithium-ion Battery
A lithium-ion or Li-ion battery is a type of rechargeable battery which uses the reversible reduction of lithium ions to store energy. It is the predominant battery type used in portable consumer electronics and electric vehicles. It also sees significant use for grid-scale energy storage and military and aerospace applications. Compared to other rechargeable battery technologies, Li-ion batteries have high energy densities, low self-discharge, and no memory effect (although a small memory effect reported in LFP cells has been traced to poorly made cells). Chemistry, performance, cost and safety characteristics vary across types of lithium-ion batteries. Most commercial Li-ion cells use intercalation compounds as the active materials. The anode or negative electrode is usually graphite, although silicon-carbon is also being increasingly used. Cells can be manufactured to prioritize either energy or power density. Handheld electronics mostly use lithium polymer batteries ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brushless DC Electric Motor
A brushless DC electric motor (BLDC motor or BL motor), also known as an electronically commutated motor (ECM or EC motor) or synchronous DC motor, is a synchronous motor using a direct current (DC) electric power supply. It uses an electronic controller to switch DC currents to the motor windings producing magnetic fields which effectively rotate in space and which the permanent magnet rotor follows. The controller adjusts the phase and amplitude of the DC current pulses to control the speed and torque of the motor. This control system is an alternative to the mechanical commutator (brushes) used in many conventional electric motors. The construction of a brushless motor system is typically similar to a permanent magnet synchronous motor (PMSM), but can also be a switched reluctance motor, or an induction (asynchronous) motor. They may also use neodymium magnets and be outrunners (the stator is surrounded by the rotor), inrunners (the rotor is surrounded by the stator), or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motorized Wheelchair
A motorized wheelchair, powerchair, electric wheelchair or electric-powered wheelchair (EPW) is a wheelchair that is propelled by means of an electric motor (usually using differential steering) rather than manual power. Motorized wheelchairs are useful for those unable to propel a manual wheelchair or who may need to use a wheelchair for distances or over terrain which would be fatiguing in a manual wheelchair. They may also be used not just by people with 'traditional' mobility impairments, but also by people with cardiovascular and fatigue-based conditions. History An electrically propelled tricycle was developed by the R.A. Harding company in England in the 1930s. The electric-powered wheelchair was invented by George Klein who worked for the National Research Council of Canada, to assist injured veterans after World War II. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bluetooth
Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to . It employs UHF radio waves in the ISM bands, from 2.402GHz to 2.48GHz. It is mainly used as an alternative to wire connections, to exchange files between nearby portable devices and connect cell phones and music players with wireless headphones. Bluetooth is managed by the Bluetooth Special Interest Group (SIG), which has more than 35,000 member companies in the areas of telecommunication, computing, networking, and consumer electronics. The IEEE standardized Bluetooth as IEEE 802.15.1, but no longer maintains the standard. The Bluetooth SIG oversees development of the specification, manages the qualification program, and protects the trademarks. A manufacturer must meet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mobility Scooter
A mobility scooter is an electric vehicle and mobility aid mostly auxiliary to a power wheelchair but configured like a motorscooter. When motorized they are commonly referred to as a power-operated vehicle/scooter, or electric scooter. Non-motorized mobility scooters are less common, but are intended for the estimated 60% of wheelchair users who have at least some use of their legs. Whilst leg issues are commonly assumed to be the reason for using scooters, the vehicles are used by those with a wide range of conditions from spinal to neurological. Mobility scooters differ from power wheelchairs in that they are usually cheaper, somewhat easier to move across uneven ground, and are more customizable. These scooters are built for people who have trouble walking or getting around, but don't always need a power wheelchair. They are also used by people who do need a powerchair for intermediate distances or extended standing, or those not permitted to drive cars for medical reasons. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motorized Wheelchair
A motorized wheelchair, powerchair, electric wheelchair or electric-powered wheelchair (EPW) is a wheelchair that is propelled by means of an electric motor (usually using differential steering) rather than manual power. Motorized wheelchairs are useful for those unable to propel a manual wheelchair or who may need to use a wheelchair for distances or over terrain which would be fatiguing in a manual wheelchair. They may also be used not just by people with 'traditional' mobility impairments, but also by people with cardiovascular and fatigue-based conditions. History An electrically propelled tricycle was developed by the R.A. Harding company in England in the 1930s. The electric-powered wheelchair was invented by George Klein who worked for the National Research Council of Canada, to assist injured veterans after World War II. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cars For Wheelchair Users
A range of small vehicles have been produced by various manufacturers since the 1950s that have been specifically designed to be driven by a wheelchair user, without the need for the user to transfer from the wheelchair. This distinguishes them from the majority of adapted cars, which are designed to be driven from a conventional driver's seat, whether the driver is a wheelchair user or otherwise impaired. They can be considered a sub-class of wheelchair accessible vehicles, which are predominantly converted mass-production models. History Makers of cars for wheelchair users included AC Cars in England, Fend in West Germany, Simson DUO in East Germany, SMZ in the Soviet Union and Velorex in Czechoslovakia. The Duo was made initially by VEB Fahrzeugbau und Ausrüstungen Brandis (VEB FAB) from 1973 until 1978, whereupon manufacture was transferred to VEB Robur, more famous for making trucks in Zittau. Because many of the components are common with the Simson, the Duo is often ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lift Chair
Lift chairs, or riser armchairs, are chairs that feature a powered lifting mechanism that pushes the entire chair up from its base and so assists the user to a standing position. In the United States, lift chairs qualify as Durable Medical Equipment under Medicare Part B. In a February 1989 report released by the Inspector General of the US Department of Health and Human Services, it was found that: lift chairs might not possibly meet Medicare's requirements for Durable Medical Equipment (DME) and lift chair claims need to be re-regulated. The report was stimulated by an increase in lift chair claims between 1984 and 1985 from 200,000 to 700,000. A ''New York Times'' article stated that aggressive TV ads were pushing consumers to inquire about lift chairs and, once consumers called in, a form was sent to them for their physicians to sign. Some companies would ship lift chairs before receiving a physician's signature; therefore, forcing the physicians to sign or else their patient ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Standing Wheelchair
A standing wheelchair (also known as a standing chair, a wheeled stander or a stander) is assistive technology, similar to a standing frame, that allows a wheelchair user to raise the chair from a seated to a standing position. The standing wheelchair supports the person in a standing position and enables interaction with people and objects at eye level. Types and function Standing wheelchairs can be either manually operated, have power-operated wheels but manual lifting mechanisms or be fully powered with, for example, hydraulic lifting mechanisms. They are used both to achieve regular mobility and to stand the person up using hydraulics or other power sources. Some standing wheelchairs may be driven from the standing position, however there is some medical concern of an increased risk of long bone fractures while driving due to the legs being under a heavy load. Diagnosis and users Standing wheelchairs are used by people with mild to severe disabilities including: spinal co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
