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(b)(4).The actual device batch number associated with this event is not known.The possible batch numbers are reported as follows: batch qcmcsh; expiration date: 2/28/2025; date of mfg: 3/9/2020.Batch pl6971; expiration date: 9/30/2024.Date of mfg: 10/16/2019.A manufacturing record evaluation was performed for the finished device qcmcsh batch number and finished device pl6971 batch number, and no non-conformances were identified to date the device has not been returned.If the device or further details are received at a later date a supplemental medwatch will be sent.Additional information was requested and the following was obtained: right knee open patella tendon repair with allograft dos: (b)(6) 2020.First postoperative visit on (b)(6) 2020.Noted was a midline blood blister.He was placed on antibiotics.Follow-up visit on (b)(6) 2020, wound noted to be opening up more distally with drainage.Clinical exam noted redness and opening approximately 7-8 mm in diameter.Patient was advised to continued dressing changes and the antibiotic.Referral was made to plastic surgeon.Continued wound problems over the next week.Patient was admitted to the hospital on (b)(6) 2020 and underwent 3 l&d's and final wound closure with gastroc flap performed by a plastic surgeon.Notes - patient was considered high risk for wound problems.He had several surgeries decades ago to this knee and several prior incisions.Attempts are being made to obtain the following information.To date no response has been provided.If further details are received at a later date a supplemental medwatch will be sent.The patient demographic info for patient ¿ti¿: age, weight, bmi at the time of index procedure.The diagnosis and indication for the index surgical procedure? on what tissue was the suture used? what was the tissue condition, i.E., normal or thin, calcified, fragile, diseased? what tissue dehisced? have any pre-op cleansing procedures or products changed recently? what was the appearance of the suture during the i&d and wound closure procedure? did this patient experience an abscess? did the patient experience an infection? if yes, were cultures performed? results? other relevant patient comorbidities / history / concomitant medication what is physician¿s opinion as to the etiology of or contributing factors to this event? what is the patient¿s current status? if information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.Note: event related to (b)(6) 2020 visit reported via mw# event related to (b)(6) 2020 visit reported via mw#2210968-2020-06438; event related to (b)(6) 2020 visit reported via mw#2210968-2020-06439.
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