A large device purchase can look economical when its cost is divided by every theoretical operating hour. A care facility needs a more grounded denominator: the sessions it can staff, support and provide within the intended clinical service. That calculation links equipment selection with maintenance, consumables and demand. It is a planning method for infrastructure decisions, rather than a recommendation about any patient's treatment.
Build the denominator from a service schedule
The model should start with available sessions after staffing, room access, planned maintenance and the work surrounding each use are considered. It should then distinguish available capacity from likely use. A new service may need time to develop referral relationships and establish reliable operations. Dividing costs by mature utilisation from the first month can hide the funding needed during that period. The reviewer should see the assumptions clearly enough to compare configurations on an equivalent service basis.
A useful sensitivity table varies demand and available sessions independently. Lower demand suggests a commercial or referral question; fewer supported sessions may indicate staffing, maintenance or room constraints. Treating both as one utilisation discount would obscure the management action most likely to improve the service and its economic performance.
Include costs that follow each use
Some costs vary with activity, while others remain payable when the device is idle. Consumables, accessories and service arrangements should be assessed under the actual procurement terms. The model should identify minimum purchase commitments or items with limited shelf lives. Where different vendors bundle equipment and supplies differently, comparison requires a common activity scenario. A low initial price may be reasonable, but the decision needs to show the later obligations that accompany it. The useful output is a transparent cost range rather than a single impressive average.
Value reliability through the service plan
WHO's maintenance overview distinguishes inspection, preventive maintenance and corrective work. The economic model should reflect the planned support arrangement and the consequences of interruptions. If a fault closes a service, the facility may need a different equipment configuration from one that can share workload with another unit. Redundancy also has a cost and should be justified by the service requirement. The analysis should avoid assuming either perfect availability or automatic replacement, and instead identify the arrangements management can actually call upon.
Use the calculation to compare practical choices
The resulting model can compare purchase, lease, managed service or a referral partnership where those choices are available and appropriate. Each option needs equivalent assumptions for quality, access, responsibilities and activity. Clinical priorities remain part of the decision; the cheapest average session cannot determine service policy alone. ALFA's published materials do not establish owned hospitals or current equipment operations. This framework therefore contributes a prospective infrastructure lens: before a future service expands, management should understand its supported capacity, likely use and continuing cash requirement, with uncertainties visible to the parties making the decision.
