It is clear that there is a disparity in the biomedical engineering world between what the public sector and private sector will offer a qualified, experienced "practitioner."

Ultimately in this field, market forces prevail. The workforce will move / migrate to where the most rewarding packages are offered.
Within certain Healthcare regions, recruitment and retention will become an increasing problem, and the only way to fill vacancies will be to open these posts to the private sector (at a premium), or offer a local "weighting" allowance to attract public sector staff, sound a familiar scenario?

We always seem too be going round in circles to achieve the same aims, (but we make the same mistakes).
Low pay results in perceived low worth and ultimately poor service delivery. When we arrive at this point by a particularly tortuous route, we start again...