14th Mar, 2008

Lean processing of samples

Should be aiming towards single piece flow instead of batch flow. Batch flow introduces "waste" into the process by its very nature. Single piece flow will always outperform batch flow analysis. All optimisation should be towards improving the flow of samples through the laboratory.

Lean principle is to reduce waste as waste raises costs. Simple things like tidying up the laboratory improves working practices and reduces waste.

Value stream mapping

A process of mapping the flows and movements in the laboratory to identify areas of waste. Simple message is not to try and do everything in one go, leave time for changes to take place and bed in. i.e. split into phases.

Identify bottlenecks 1st and then move on:

e.g.

    Reception
    then analysis
    then courier

Cant impose any changes on staff need to get them to buy into this. Have a small group feeding into a "lean executive" who can make decisions.

Activity of product

(need to get Rachel's data on this and re-audit sample flows within the laboratory)

Map of what sample is doing in time and in space. ? Film the processes to also map what staff are doing. Stress filming the process and not the operator.

Structural layouts drive waste. Don't waste talent, don't install automation before lean principles have been followed otherwise you are automating an inefficient process. Return on investment is typically 15-18 months.

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