Siemens CT User Manual download pdf (Page 94)

Technical specifications 94

CEP08027: March 2009

Note 7:

Q26.20

X- Ray Tubes

Where failure occurs due to faulty design, materials or workmanship, within the first 12 months from the date of installation of the

system or of a replacement tube, the tube will be replaced and charged on a pro rata basis according to the number of months passed

other than as detailed below:

CT X Ray Tubes excluding Straton.

Where failure occurs due to faulty design, materials or workmanship, within the first 12 months from the date of installation of the

system or of a replacement tube, the tube will be replaced and charged on a pro rata basis according to the number of scan - seconds

utilised up to the warranted value.

Straton CT X-Ray tube.

12 months full warranty, no scan-seconds limits and no patient limits.

Note 8:

Q26.21

This is very new technology which is being developed and refined continuously. Siemens Medical Solutions systems are supported in

line with the provisions in CRACOE - The contractor shall make available for purchase by the authority, or its agents, any necessary

spare parts and components to ensure that the goods can be maintained in safe working operation for a period of not less than 7 years

from acceptance and, thereafter, shall use all reasonable endeavors to provide the said spare parts and components for a further period

of 3 years.

Note 9:

Q26.22

Data to date shows that the average life expectancy of Straton x-ray tubes life is between 2-3 years. Please note that it is difficult to

determine life expectancy for these items since it is heavily dependent on the number, type and frequency of examination procedures

carried out, the number of exposures made, the parameters selected for these exposures, the intervals between exposures, as well as

whether servicing has been requested and carried out at appropriate intervals - factors which are clearly unknown at this time.

Note 10:

Q26.24

It is not possible to accurately predict "The lifespan" of some components such as detectors as there are too many variables governing

their usage, for example - the number, type and frequency of examination procedures carried out, the number of exposures made, the

parameters selected for those exposures, the intervals between exposures, etc. all factors which are clearly unknown at this time.

Detectors technology is very new and therefore usage data is limited, however our expectations are that detectors should typically have

a life span of 7 years. Detector cover can be included within a Performance TOP maintenance contract.

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Siemens CT User Manual Page 94