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Geistlich bio-oss pen is geistlich bio-oss granules (i.E.Bone mineral) in a syringe-like applicator.Geistlich bio-oss pen consists of 7 components.Among others, a filter cap which is used while wetting the bone grafting material with saline or blood and, subsequently, taken off to be replaced by a separate applicator tip.Geistlich pharma (b)(4) has received a complaint from a customer in the (b)(6) related to the green filter cap of the geistlich bio-oss pen®.The customer reports that, after unscrewing the green filter cap from geistlich bio-oss pen®, a visible particle of green color was seen on the outer barrel of the pen.Geistlich has not received any reports of patient injury or harm related to this issue.The filter caps of the geistlich bio-oss pen® are sterilised, tested as packaging material and approved according to international standards, including testing as medical grade packaging material.In the highly unlikely case that a particle of the filter cap material enters the geistlich bio-oss® bone graft substitute during implantation, tissue reactions cannot be completely ruled out.The customer reports observing this issue up to seven times and recently reported to the company.In the 7 reported cases from one single user from the (b)(6), the loose particle was always found on the outside of the applicator.In each case, the particle was discovered by the physician before use of the product.Earlier reports were escalated and assessed in a dedicated issue review.The investigations showed that the supplier of the filter cap could exclude any errors during the manufacturing of the filter cap and two batches of in-stock filter caps did not show any presence of loose particles.Since no other complaint was present and the described error could not be reproduced, these cases were not reported at that time.Eventually, the receipt of the present case led to the next escalation step, a health hazard evaluation, and the necessity of an mdr-filing.
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On 03/29/2019 a correction or removal report was filed.The correction or removal consists of a corrective notice which, among other actions, asked the distributor to inform all customers they have supplied with geistlich bio-oss pen® in the last three years (i.E.Shelf-life of geistlich bio-oss pen) about the issue and asked users to report any detected particles to the distributor, who will inform geistlich pharma ag.Up to date (after sending out a corrective notice), worldwide customers report observing this issue up to fourteen times (seventeen affected product units) and reported to the company.Four of these cases (four affected product units) occurred in the us and include historical/anecdotal cases.The loose particle was always found on the outside of the applicator.In each case the particle was discovered by the physician before use of the product.A thorough inspection of the color and the shape of either the loose particle and the defect at the filter cap (toothed lock mechanism at the bottom) proved the particle to be formerly part of the filter cap component which teared off while overstressing the toothed lock mechanism with shear forces in the unscrew process.The color of the particle is of the same striking color as the filter cap.Geistlich bio-oss pen does not contain any other component of that or any similar color.After checking all the other possibilities of the origins in the supply- and manufacturing chain we exclude other possibilities.The occurrence of the issue is very low and occurs only under worst case conditions.A capa project was initiated.Measures to eliminate the areas of the filter cap where the particles are scraped off and to redefine the tolerances in order to avoid the generation of the particle are currently being implemented.Final investigation results as well as all performed corrective and preventive actions will be presented in terms of the outstanding final report of the correction or removal report.
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