FDA Medical Device Recalls (openFDA)
Spencer Technologies, Inc.: Transcranial Doppler Ultrasound System with 2 MHz Transducer: TCD 100M Digital Transcranial Doppler Ultrasound System & PMD 100 Digital Transcranial Doppler Ultrasound System (these systems are the same hardware and software - the change from TCD 100M to PMD 100 is a marketing change). Software version 1.3.0 Model numbers 10119, 10863, 10919, 10968, 11016, 11052, 11090, 11091, 11235, 11236
- Recall number
- Z-0788-04
- Recalling firm
- Spencer Technologies, Inc.
- Product
- Transcranial Doppler Ultrasound System with 2 MHz Transducer: TCD 100M Digital Transcranial Doppler Ultrasound System & PMD 100 Digital Transcranial Doppler Ultrasound System (these systems are the same hardware and software - the change from TCD 100M to PMD 100 is a marketing change). Software version 1.3.0 Model numbers 10119, 10863, 10919, 10968, 11016, 11052, 11090, 11091, 11235, 11236
- Status
- Terminated
- Initiated
- 2004-02-19
- Posted
- 2004-07-20
- Terminated
- 2005-01-07
- Reason
- Potential for saved blood flow velocity values to not agree with actual velocity values as shown on the spectrogram axis.
- Root cause
- Other
- Action
- Beginning on 2/19/04 the firm sent a letter dated 2/17/04 to customers via US Mail. The letter describes the malfunctions, how to avoid the malfunction and advises the customer they will be receiving a software upgrade which will resolve the problem.
- Quantity
- 147
- Distribution
- Devices were distributed to 91 end users (hospitals, medical centers) and 2 distributors throughout the US. Foreign distribution included 3 distributors and 14 end users.
- Lot, serial or model codes
- Serial numbers 0001-0016, 0018-0035, 0037-0043, 0045-0048, 0050-0060, 0062-0064, 0066-0080, 0082-0157
- 510(k) numbers
- ["K002533"]
- PMA numbers
- not on file
- Product code
- IYN
- Firm FEI
- 3003139439
- Firm city
- Seattle
- Firm state
- WA
- Firm country
- not on file
Where this comes from
- Register
- FDA Medical Device Recalls (openFDA)
- Publisher
- U.S. Food and Drug Administration (openFDA)
- File
- device-recall-0001-of-0001.json.zip
- sha256
- b87518bfe2e8
- Size
- 288210821 bytes
- Published
- 2026-09-28
- Read
- 2026-09-29T08:25:23.626Z
- Source file
- Source file retained · verify
- Refresh due
- 2026-10-06
Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.
Cite as
FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28