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I write as the UK distributor for the TT380 Slimline IUD produced by Laboratoire 7 Med of France in response to Dr Trewinnard’s letter.1
We were sorry to hear of this unfortunate incident. Over the years we have had isolated examples of this occurring, particularly with a retroverted uterus. Extensive investigation revealed that one step in the post-sterilisation final packing process could result in a slight compression of the introducer tube of a tiny proportion of a production batch.
The process was changed and this seemed to reduce the already low incidence of ‘kinking’.
Moreover, as part of the continuous improvement of the device, a redesigned version will be available for evaluation early in June which should reduce these occurrences even further.
I shall ensure that Dr Trewinnard receives one of the evaluation samples as soon as they arrive.
Competing interests The author is an employee of Durbin PLC.
Provenance and peer review Commissioned; internally peer reviewed.
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