OSCAR O3 Orthosonics OSCAR 3 ultrasonic GENERATOR OS3000 SYSTEM

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Location: Moonachie, New Jersey, United States
Ships to: US,
Item: 196206324404

Condition:UsedUsed
Seller Notes:“USED, GOOD CONDITION PLEASE SEE PICTURES”
OSCAR O3:OSCAR O3

eBay RECENTLY REMOVED FROM SERVICE. GOOD WORKING AND GOOD COSMETIC CONDITION THIS ITEM IS SOLD AS IS ALL YOU SEE IN THE PICTURES ARE INCLUDED. THIS SALE OF THIS IYEM MAY BE SUBJECT TO REGULATION BY THE US FOOD AND DRUG ADMINISTRATION AND STATE AND LOCAL AGENCIES IF SO. WE WILL VERIFY YOUR STATUS AS AN AUTHORIZED PURCHASER OF THIS ITEM. About the technology The Orthosonics OSCAR 3 ultrasonic arthroplasty revision instrument helps the removal of polymethylmethacrylate bone cement during large joint revision procedures. The system uses ultrasound to soften the cement holding the implant in place. Bespoke probes are then deployed in sequence to collect and remove the softened cement from the host bone. The OSCAR 3 can also be used for cutting and removing bone in cementless press-fit prosthesis revision and when bone resection functionality is under development, but these functions are beyond the scope of this briefing. The OSCAR 3 is the latest iteration of the OSCAR system. The first version of the technology was introduced to the UK between 1992 and 1993 and was analogue-based. This was superseded by the digital OSCAR II system which was phased in around 2000. The OSCAR 3 system was launched in 2009 and is described by the manufacturer as having enhanced digital components and increased efficiency compared with the OSCAR II. CE marking The OSCAR system was CE-marked as a Class IIb device to Orthosonics Ltd. in September 2002. The current certification for cemented and cementless arthroplasty including single-use probes is valid from February 2013 until February 2018. Description The OSCAR 3 consists of 3 main components: A portable, 2-channel ultrasound generator and control unit with illuminated liquid crystal display. A cement removal handset or an osteotome handset (for cementless revisions) connected via a cable encased in silicone rubber to either output channel of the generator. The osteotome handset produces reduced displacement amplitude and has a golden outer sleeve to differentiate it from the silver cement removal handset. A range of screw-threaded reusable or single-use probes and tools, which are attached to the appropriate handset using bespoke spanners. Cement removal probes have 5 mm threads and osteotome probes have 6 mm threads to ensure use with the correct handset. The mains-powered ultrasound generator and control unit has 2 identical output channels, each operating at a specified frequency of 28 kilohertz and an output power of up to 150 Watts. Actual operating frequency ranges from 27.9 to 28.5 kilohertz depending on the resonant frequency of the attached handset. The generator automatically controls and adjusts delivered power in response to changing mechanical load during the cement removal procedure. Probes can be single-use or reusable, and come in several shapes and sizes. Reusable bone cement removal tools, such as groover, scraper, piercer and acetabular probes, are included as part of the initial system. Optional additional tools include all single-use probes and: a slap hammer and single-use extraction probe to remove larger pieces of cement and the cement plug osteotome and hoe probes for cementless stem removal extension and reducer bars for reusable and single-use probes. Probes are activated via a pushbutton hand switch on the main body of the handset or via an air-powered foot switch connected to a nozzle below the output socket. The probe is intended for intermittent operation (10 seconds on, 20 seconds off) with a maximum ‘on time’ of 30 seconds to avoid overheating. If the probe is operated for this maximum period, it can be reactivated within seconds. A countdown timer starts when the handset is activated and an activation tone rises in pitch as the timer approaches zero. An alarm sounds if excessive force is applied to the handset. If the probe is pushed too deeply into the cement and allowed to remain in situ, the cement behind the tip can solidify and trap the probe. A special cement release mode must then be used to remove the probe. Optional components include a wheeled trolley with probe attachment and foot switch storage, and a portable ultrasound cleaning system for reusable cement removal probes. After surgical use, the handset with the contaminated probe is connected to the system and inserted into a single-use cleaning cell. The probe is activated for a user-selectable 15- or 30-second cleaning cycle to remove traces of tissue and cement and can be repeated if necessary prior to normal hospital sterilising procedures. Intended use The OSCAR 3 is intended to be used for removing polymethylmethacrylate bone cement during joint revisions, and for cutting and removing bone in orthopaedic applications. Setting and intended user The OSCAR 3 is intended to be used in orthopaedic operating theatres by surgeons trained in standard orthopaedic surgical procedures and specifically trained in the use of ultrasonic surgical instruments. Current NHS options Current cement removal methods used during revision arthroplasty procedures comprise mechanical techniques using specifically designed hand instruments or pneumatic power tools. These are usually used in conjunction with the OSCAR 3. NICE is aware of the following CE-marked device that appears to fulfil a similar function to the OSCAR 3: Ultra-Drive 3 Ultrasonic Revision System (Biomet Orthopedics). Track Page Views With Auctiva’s FREE Counter

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