The Myr Spin Tissue Processor has been designed to meet the requirements of every laboratory. The state-of-the-art technology and the unsurpassed processing technique makes it one of the best Spin Tissue Processors available on the market, with more than 3000 units installed worldwide.

Myr has been developing and manufacturing reliable pathology instruments for over 30 years. They offer a broad range of equipment for tissue processing, embedding, cutting and staining and have equipped laboratories in over 70 countries around the world. Myr has facilities in Llorenc del Penedes, 70km south of Barcelona.




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Tissue processing is a technique that uses alcohols to remove water from the sample and replace it with a medium that allows for sectioning of tissue. Several methods are used to achieve this. The Myr Spin Tissue Processor employs a patented and unique technique that combines several movements for the tissue to achieve perfect infiltration results.

Rotational AgitationThe basket with the cassettes is immersed into the reagent vessel. In this position, the basket turns at 60 rpm and changes the rotational direction every 60 seconds. The rotational agitation achieves a perfect infiltration of tissue, a homogeneous mixture of the reagents, and a reduction of processing time.

Shaking– This movement can be activated on the control panel and allows the basket to perform an up-down movement inside the vessel that when combined with the rotational agitation, increases infiltration quality. At the end of this process, the baskets start centrifuging.

CentrifugingThis function is activated as soon as the infiltration process is complete. The basket rises above the level of reagent but rests inside the vessel. It spins at 210 rpm for 60 seconds with the rotational direction changing every 15 seconds. This process allows the tissue to be properly drained and avoids carry-over of reagents from one vessel to another.

Ergonomic Control PanelThe buttons on the control panel are arranged ergonomically for easy handling. The LCD display shows all the parameters throughout the process, such as program number, vessel, remaining time, start delay, total duration of the program, rotational agitation and shaking, basket’s centrifuging, temperature of paraffin baths, date, and time.
Easy HandlingThe instrument has the capacity to store up to 10 different programs that can be freely set up by the user. Each one of the programs can be started in immediate or delayed mode. The instrument can easily be rotated via the four rollers mounted on the base. This allows the user to have fast and safe access to each one of the vessels.
Safety FeaturesThe individual vessel covers reduce the emission of vapors to a minimum. The STP 120-2 and STP 120-3 versions incorporate a fume extraction system that – through a fan and an active charcoal filter – cleanse the vapors before being discharged into the air.

In case of a power shutdown, the specimens are automatically lowered inside the vessel by means of a battery to protect them against desiccation and solid paraffins. Once power is restored, the instrument resumes the program at the same point in which it was interrupted. lf it is a long power failure and the paraffin baths become solidified; the safety program will be activated. The instrument will then wait for the baths to be fully liquified before going ahead with the change to the paraffin baths.

AlarmsIf the samples remain inside a station for a longer time than the programmed time, e.g. due to a power failure, the display will show a message indicating the station number and the overtime spent in that station compared with the initially programmed time. The acoustic and visual alarms can easily be identified by the user. The keyboard can be locked by the user to avoid an inadvertent change of the process parameters during operation.