“When a person is hungry and you give him a fish, his hunger is satisfied for that
occasion. If you teach him how to catch a fish, it can take care of his hunger for the
rest of his life.” This is a teaching principle that is often repeated, and one that is
also very useful in the maintenance of medical equipment.
The nasal
instruments and equipment used in modern eye care have become very sophisticated and
expensive. Keeping them in good working condition can become a nightmare, especially if
hospitals are located in places where there is little service support from manufacturers
or suppliers. These items can fail to work unexpectedly and the resultant downtime can
compromise outcomes and patient safety.
An important fact about instruments and equipment is that, when manufactured by well-
established firms and supplied by reliable dealers, they seldom fail, provided they are
maintained as described in the user manual.
A machine is more likely to fail when it is first set up, often due to shortcomings in
its installation, use, or handling. For this reason, most manufacturers usually offer a
free warranty contract for the first year. Machines should be used often during that
period; any malfunction, however trivial, should be brought to the attention of the
supplier and rectified immediately. If this is done, the machine will usually work well
for the rest of its lifespan.
It is generally believed that doctors and/ or paramedical staff who use an instrument
or machine will take care of it, but this cannot always be expected. The patient is the
primary concern of doctors or paramedical staff. If there is a conflict, patient care will
take precedence – so nasal suction forceps care is bound to suffer. Also, some equipment is
too complex to maintain for a person who is not technically trained.
At Aravind Eye Hospital, we took these factors into account and devised a scheme
whereby a technically trained person is responsible for a sophisticated
pediatric
nasal instrument or piece of equipment. This person's responsibility is to take
care of it: to turn it on or off, and to go meticulously through all the stipulated steps
before it is ready to be handed over for use by doctors and paramedical staff. This
considerably lightens the workload of doctors – they can devote their full attention to
the procedure and the patient. When a procedure is over, doctors and paramedical staff may
be tired. Shutting the machine off in the sequence suggested by the manufacturer is then
the responsibility of the technically trained person.
There is no need for a fully fledged biomedical engineer to do this job, as it is
always possible to train a person with some engineering background on the various aspects
of a particular instrument or machine. That person can in turn train others to keep
equipment running in good condition. We find that graduates of our polytechnics (technical
colleges) do such jobs well.
We use such trained persons to maintain our phacoemulsification (phaco) machines, ERG
machine, fundus cameras, and expensive surgical instruments used in operations. We have
had great success with our LASIK machines: they are being used regularly and have
functioned, without any hitch, for the last seven years, which has surprised the supplier!
It is difficult to train many people within an organisation to look after
sophisticated nasal opertion forceps and equipment. Not all will have the competence
or the aptitude required to understand the technical details. Training one or two persons
with the right aptitude and making them responsible for looking after instruments and
equipment will ensure better maintenance and performance in the long term.
Medical equipment maintenance and use of personnel, is crucial. Used properly and
rational division of engineering and technical personnel, strict management, to train
engineering technical personnel with professional spirit, all-round for clinical medical
services; To strengthen the training of equipment use of personnel, highlight the
preventive maintenance and maximize or prolonged trouble-free of medical instrument
equipment, ensure the effective operation of the clinical diagnosis and treatment work.
The complexity of medical devices has increased over the past 10 years, and outbreaks
of infections due to contaminated devices have focused attention on the need to adequately
clean medical devices in order to ensure the adequacy of disinfection and sterilization.
There has been a paradigm shift in reprocessing of medical devices, with increased
emphasis on a quality management systems approach that requires validated cleaning
instructions from manufacturers and ongoing monitoring by reprocessing personnel to ensure
adequacy of cleaning. This article reviews the current issues related to medical device
reprocessing and summarizes the approaches used for monitoring cleaning efficacy for
surgical instruments and flexible endoscope system&accessory.
Forty to 70 % of medical devices and equipment in low- and middle-income countries are
broken, unused or unfit for purpose; this impairs service delivery to patients and results
in lost resources. Undiscerning procurement processes are at the heart of this issue.
We conducted a systematic review of the literature to August 2013 with no time or
language restrictions to identify what product selection or prioritization methods are
recommended or used for medical device and equipment procurement planning within low- and
middle-income countries. We explore the factors/evidence-base proposed for consideration
within such methods and identify prioritization criteria.
Results
We included 217 documents (corresponding to 250 texts) in the narrative synthesis. Of
these 111 featured in the meta-summary. We identify experience and needs-based methods
used to reach procurement decisions. Equipment costs (including maintenance) and health
needs are the dominant issues considered. Extracted data suggest that procurement
officials should prioritize devices with low- and middle-income country appropriate
technical specifications – i.e. devices and equipment that can be used given available
human resources, infrastructure and maintenance capacity.
Conclusion
Suboptimal device use is directly linked to incomplete costing and inadequate
consideration of maintenance services and user training during procurement planning.
Accurate estimation of life-cycle costing and careful consideration of device servicing
are of crucial importance.
The absence of safe, effective and well-functioning medical devices and equipment
(MDEs) impairs health service provision, leads to poor patient outcomes and poses
substantial health system and national security risks [1,2,3]. Nowhere has this been more
evident than the recent Ebola Virus Disease outbreak in West Africa [4,5,6]. The absence
of laboratory equipment to enable quick and accurate diagnosis, and personal protective
equipment to ensure effective infection prevention and control measures and health worker
safety, directly resulted in delays to emergency response, difficulties in care delivery
and lost patient and health worker lives [6].
The absence of appropriate technologies impairs more than emergency care, however:
routine services in maternal, child and reproductive care (e.g. immunizations or
reproductive control), interventions for non-communicable (e.g. diabetes management) and
communicable diseases (e.g. HIV/AIDS diagnosis) all require suitable infrastructure and
functioning technologies. From basic products such as weighing scales and condoms, to
glucometers and flow-cytometers, health service delivery is predicated upon the
availability, appropriateness, affordability and acceptability of MDEs [1].
Estimates suggest that between 40 and 70% of MDEs in resource poor settings are
broken, unused or unfit for purpose [7]. Indiscriminate procurement methods, a mismatch in
technology design and demand, high costs as well as deployment, maintenance and human
resource training challenges all contribute towards this issue [1]. Low- and middle-income
countries (LMICs) particularly lack the regulatory authorities, or biomedical engineering
capacity, to advise on what MDEs are suitable for use in harsh deployment settings: i.e.
facilities with high temperature, fluctuating electricity or no clean water supply. The
problem is compounded by a mismatch in MDE supply: manufacturers are located and attuned
to users in lucrative high-income markets [8]. Installation, preventive and corrective
maintenance services and user training programs are also traditionally absent in LMICs,
leading to unsafe device handling practices with potentially harmful consequences for
patients (e.g. in cases of misdiagnosis due to mis-calibration or infection propagation
due to device re-use).
This paper targets one aspect of the above problem: MDE procurement and resource
allocation in LMICs. To assist decision-makers in conducting informed and evidence-based
product selection decisions, we have conducted a systematic review of internationally
recommended methods for procurement planning and prioritization in settings experiencing
severe resource constraints, describing the context for these activities and summarising
normative recommendations. Little is known about how MDE procurement takes place within
resource-constrained settings; the WHO Baseline Surveys on Medical Devices are recent
attempts to explore this [9, 10]. The survey’s findings suggest that LMICs predominantly
conduct procurement at central ministry level within the public sector [9]; however, the
surveys do not provide further granular information on how LMIC conduct or plan MDE
procurement. For the purposes of this paper, we adopt the MDE definition laid out by the
Global Harmonization Task Force and WHO [11, 12].
The identification of best practices and common pitfalls in MDE procurement may lead
to improvements in MDE management and use. This would not only ensure improved use of
scarce financial resources, but also translate to devices being operational and used
competently for improved patient care. The systematic review is particularly timely given
global efforts for health system strengthening in LMICs: MDEs are recognized as critical
components in ensuring health system resilience to shocks and in achieving universal
health coverage. Substantial increases in MDE utilization have already been noted in
middle-income countries in Europe in line with expanding provision of health care
services; similar trends will undoubtedly follow in LMICs globally [13].
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