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| Issued: 05 February 2007 at 14:00 |
Ref: MDA/2007/011
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Immediate action |
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Action |
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Update |
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Information request |
| This alert extends the guidance issued on 24 January 2007 in MDA/2007/007. | |||||
| Device: BOC Ltd, AZ size aluminium medical nitrous oxide cylinders fitted with a key operated pin index valve for use in MRI units. |
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| Problem: Following the issue of MDA/2007/007, regarding AZ aluminium medical oxygen cylinders, BOC have informed MHRA that a similar problem has been found in a small number of medical nitrous oxide AZ cylinders. These cylinders have also been fitted with an obsolete pin index valve containing a ferromagnetic component that makes the cylinder potentially hazardous when used in an MRI environment. |
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| Action by: Anaesthetists, operating department practitioners and anaesthetic nurses working in MRI units. Hospital pharmacists, MRI safety advisors and MRI superintendent radiographers. |
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Action:
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Appendix | ||||
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Distributed to:
* via CE Bulletin |
>Page 2 |
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| Contacts: Details of supplier contact and MHRA Defective Medicines contact. Change of address or removal from address list for Healthcare Commission. |
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| Appendix: Images of the affected valve and the two acceptable alternatives. |
>Pages 4-5 |
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Action deadlines for the Safety Alert Broadcast System (SABS)
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Deadline (action underway): 07 February 2007
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Deadline (action complete): 14 February 2007
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MDA/2007/011 - BOC Ltd, AZ size aluminium medical nitrous oxide cylinders fitted with a key operated pin index valve for use in MRI units 
