MAUDE Adverse Event Report: STRYKER GMBH UNKNOWN KNIFELIGHT; INSTRUMENT

Catalog Number UNK_SEL

Device Problem Appropriate Term/Code Not Available (3191)

Patient Problem Laceration(s) (1946)

Event Date 05/01/2011

Event Type  Injury  

Manufacturer Narrative

This complaint has been reported during a literature review performed by the post market surveillance group.The reported event could not be confirmed, since the device was not returned for evaluation and no other additional information is available.More detailed information about the complaint event as well as the affected device must be available in order to determine the root cause of the complaint event.The device history record could not be reviewed because the affected lot number was not communicated.If any further information is provided, the investigation report will be updated.Device disposition is unknown.

Event Description

The manufacturer became aware of a study from (b)(6).The title of this report is ¿complications of the surgical treatment of carpal tunnel syndrome using the ¿knifelight¿ system.¿ which is associated with the stryker ¿knifelight¿ system.Within that publication, post-operative complications/ adverse events were reported which occurred from may 2011 to january 2012.It was not possible to ascertain specific device details from the report, a review of the complaint handling database, however, revealed that the events have not been reported by the hospital or by the author of the publication, therefore 6 complaints were initiated retrospectively for different adverse events mentioned in the report.This product inquiry addresses commissural nerve division followed by a revision surgery.The report states: ¿(b)(6) years old patient subject to surgical treatment three months ago.The patient referred improvement of the clinic symptoms of the paresthesias, but the examination showed complete anesthesia on the ulnar edge of the first finger and on the radial edge of the second finger, contact dysesthesia at the base of the thenar eminence and a marked tinel¿s sign at the base of the thenar eminence.In the surgical review, a laceration of the first commissural nerve was observed.After reconstruction using a nerve graft, the nerve repair was covered with an hypothenar fat pad flap.¿.

• Brand Name: UNKNOWN KNIFELIGHT
• Type of Device: INSTRUMENT
• Manufacturer (Section D): STRYKER GMBH; bohnackerweg 1; postfach; selzach 2545 ; CH 2545
• Manufacturer (Section G): STRYKER ENDOSCOPY-PUERTO RICO; las palmas industrial park; highway #3, km 130.2; arroyo 00615
• Manufacturer Contact: anna jusinski ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 9235756
• MDR Text Key: 176947989
• Report Number: 0008031020-2019-01517
• Device Sequence Number: 1
• Product Code: FTD
• Combination Product (y/n): N
• Reporter Country Code: ES
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: health professional
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 10/24/2019

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 10/24/2019
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Catalogue Number: UNK_SEL
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 10/01/2019
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention
• Patient Age: 45 YR