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Wavewriter alpha implantable pulse generator kit

Official notice

14 Aug 2024

MediumHealth Canada

An official Health Canada notice concerns Wavewriter alpha implantable pulse generator kit. Boston Scientific has received reports of undesired sensation and/or awareness of IPG turning off and on during IPG charging for patients with rechargeable SCS IPGs. Investigation of these reports determined that the device may reset (by design) due to detection of noise or interference during IPG charging. When the system resets, the patient's programmed stimulation turns off for approximately 10-15 seconds and then turns back on. When this occurs, some patients may perceive the sudden changes in stimulation. As soon as the reset is complete, the IPG resumes normal operation, including delivery of stimulation therapy. Boston Scientific has identified improvements (including an IPG firmware update for implanted devices) that will prevent this device reset behavior from occurring during IPG charging. Updating the IPG firmware eliminates the possibility of a coincident routine system check during IPG charging, thus preventing a potential system reset. This firmware update is available for any rechargeable SCS IPGs identified. Recall Start Date: July 17, 2024 Published 2024-08-14.

What to do now

Contact the manufacturer if you require additional information.

Recall number

75920

Official notice

2024-08-14

The hazard

Boston Scientific has received reports of undesired sensation and/or awareness of IPG turning off and on during IPG charging for patients with rechargeable SCS IPGs. Investigation of these reports determined that the device may reset (by design) due to detection of noise or interference during IPG charging. When the system resets, the patient's programmed stimulation turns off for approximately 10-15 seconds and then turns back on. When this occurs, some patients may perceive the sudden changes in stimulation. As soon as the reset is complete, the IPG resumes normal operation, including delivery of stimulation therapy. Boston Scientific has identified improvements (including an IPG firmware update for implanted devices) that will prevent this device reset behavior from occurring during IPG charging. Updating the IPG firmware eliminates the possibility of a coincident routine system check during IPG charging, thus preventing a potential system reset. This firmware update is available for any rechargeable SCS IPGs identified. Recall Start Date: July 17, 2024

How to check if you're affected

Compare the product name and identifiers below with the item you own. Follow the official notice if they match.

Recall Numbers

75920

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Affected products

Product 1

Affected products - Wavewriter Alpha Implantable Pulse Generator Kit, Lot or serial number - More than 10 numbers, contact manufacturer., Model or catalog number - SC-1232

Product 2

Affected products - Wavewriter Alpha 16 Implantable Pulse Generator Kit, Lot or serial number - More than 10 numbers, contact manufacturer., Model or catalog number - SC-1216

Risk / hazard

Boston Scientific has received reports of undesired sensation and/or awareness of IPG turning off and on during IPG charging for patients with rechargeable SCS IPGs. Investigation of these reports determined that the device may reset (by design) due to detection of noise or interference during IPG charging. When the system resets, the patient's programmed stimulation turns off for approximately 10-15 seconds and then turns back on. When this occurs, some patients may perceive the sudden changes in stimulation. As soon as the reset is complete, the IPG resumes normal operation, including delivery of stimulation therapy. Boston Scientific has identified improvements (including an IPG firmware update for implanted devices) that will prevent this device reset behavior from occurring during IPG charging. Updating the IPG firmware eliminates the possibility of a coincident routine system check during IPG charging, thus preventing a potential system reset. This firmware update is available for any rechargeable SCS IPGs identified. Recall Start Date: July 17, 2024

Where it was sold

The source does not list specific retailers. See the official notice for where affected products were sold.

Location 1

CA · Canada

Affected area 1

CA · Canada

Company & contacts

Brand: Boston Scientific Neuromodulation, Wavewriter Alpha Implantable Pulse Generator Kit.

Source & status

Source

Health Canada

Tier

official

Category

HEALTH

Classification

Type II

App estimate

medium

Recall details

Recall number

75920

Classification

Type II

Source tier

official

Documents, notices & source

See the official notice and source documents for full details.

View full official notice
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