BOSTON SCIENTIFIC NEUROMODULATION VERCISE CARTESIA; STIMULATOR, ELECTRICAL, IMPLANTED, FOR PARKINSONIAN SYMPTOMS
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Model Number DB-2202-30 |
Device Problems
High impedance (1291); Failure to Disconnect (2541)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 11/25/2022 |
Event Type
Injury
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Event Description
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It was reported that the patient who was implanted with an externalized deep brain stimulator lead, underwent an implantable pulse generator, ipg implant procedure.During the ipg implant procedure, the externalized lead extensions were removed without issue, and the leads were planned to be connected to the ipg utilizing the lead extension.High impedances were noted on the lead.The physician attempted to remove and re-insert the lead into the lead extension, however the lead could not be removed from the lead extension.The lead the extension was cut, and the procedure was prolonged.A few days later the patient underwent a lead revision procedure in which the lead and lead extension were replaced.The patient was doing well post-operatively.
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Manufacturer Narrative
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Additional suspect medical device component involved in the event: brand name: ni, upn: m365db3128550, model: db-3128-55, serial: (b)(4), batch: (b)(4).
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Event Description
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It was reported that the patient who was implanted with an externalized deep brain stimulator lead, underwent an implantable pulse generator, ipg implant procedure.During the ipg implant procedure, the externalized lead extensions were removed without issue, and the leads were planned to be connected to the ipg utilizing the lead extension.High impedances were noted on the lead.The physician attempted to remove and re-insert the lead into the lead extension, however the lead could not be removed from the lead extension.The lead the extension was cut, and the procedure was prolonged.A few days later the patient underwent a lead revision procedure in which the lead and lead extension were replaced.The patient was doing well post-operatively.
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Manufacturer Narrative
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Additional suspect medical device component involved in the event: brand name: ni, upn: m365db3128550, model: db-3128-55, serial: (b)(6), batch: (b)(6).Db-2202-30, serial number (b)(6).Visual inspection of the lead revealed that contact number eight was crushed by the lead extension setscrew.This suggests that the lead was not fully inserted in the lead extension when the setscrew was tightened.When contacts are not properly aligned in the lead extension, it will cause high impedance readings.The instruction for use, ifu instructs the physician to fully insert the lead into the lead extension connector to prevent lead damage, therefore, the likely cause of the event was due to user error.The distal portion of the lead was not returned.Cables were exposed at the damaged portion of the lead.Db-3128-55, serial number (b)(6).Visual inspection of the lead extension revealed that the connector had a stuck lead proximal array within it.The stuck portion of the lead was removed from the lead extension.Additionally, the two proximal end portions of the lead extension were not returned.Cables were exposed at the damaged portion of the lead extension.
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Manufacturer Narrative
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Update to box h10: additional suspect medical device component involved in the event: brand name: ni, upn: m365db3128550, model: db-3128-55, serial: (b)(6), batch: (b)(6).Db-2202-30, serial number (b)(6).Visual inspection of the lead revealed that contact number eight was crushed by the lead extension setscrew.This suggests that the lead was not fully inserted in the lead extension when the setscrew was tightened.When contacts are not properly aligned in the lead extension, it causes high impedance readings and cause difficulty removing the lead from the lead extension.The instruction for use, ifu instructs the physician to fully insert the lead into the lead extension connector to prevent lead damage, therefore, the likely cause of the event was due to user error.The distal portion of the lead was not returned.Cables were exposed at the damaged portion of the lead.Db-3128-55, serial number (b)(6).Visual inspection of the lead extension revealed that the connector had a stuck lead proximal array within it.The stuck portion of the lead was removed from the lead extension.Additionally, the two proximal end portions of the lead extension were not returned.Cables were exposed at the damaged portion of the lead extension.
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Event Description
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It was reported that the patient who was implanted with an externalized deep brain stimulator lead, underwent an implantable pulse generator, ipg implant procedure.During the ipg implant procedure, the externalized lead extensions were removed without issue, and the leads were planned to be connected to the ipg utilizing the lead extension.High impedances were noted on the lead.The physician attempted to remove and re-insert the lead into the lead extension, however the lead could not be removed from the lead extension.The lead the extension was cut, and the procedure was prolonged.A few days later the patient underwent a lead revision procedure in which the lead and lead extension were replaced.The patient was doing well post-operatively.
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