Parks Medical Electronics Inc Parks Medical Ultrasonic Doppler Flow Detector, Model 811-B (finished assembly without accompanying probes), Parks Medical Electronics, Inc., Aloha, OR 97007 Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Parks Medical Ultrasonic Doppler Flow Detector, Model 811-B (finished assembly without accompanying probes), Parks Medical Electronics, Inc., Aloha, OR 97007
Brand
Parks Medical Electronics Inc
Lot Codes / Batch Numbers
Model 811-B Serial Numbers: 811B-600001876, 811B-600001877, 811B-600001878, 811B-600001879, 811B-600001880, 811B-600001882, 811B-600001883, 811B-600001884 (distributed to Australia), 811B-600001774, 811B-600001775, 811B-600001776, 811B-600001881, 811B-600002008, 811B-600002009, 811B-600002044 (distributed to Canada), 811B-600001762, 811B-600001763, 811B-600001764, 811B-600001765, 811B-600001766, 811B-600001767, 811B-600001768, 811B-600001769, 811B-600001770, 811B-600001771, 811B-600001772, 811B-600001773, 811B-600001777, 811B-600001793, 811B-600001794, 811B-600001795, 811B-600001796, 811B-600001797, 811B-600001798, 811B-600001799, 811B-600001803, 811B-600001804, 811B-600001818, 811B-600001819, 811B-600001820, 811B-600001821, 811B-600001822, 811B-600001823, 811B-600001824, 811B-600001825, 811B-600001826, 811B-600001852, 811B-600001853, 811B-600001854, 811B-600001855, 811B-600001856, 811B-600001857, 811B-600001858, 811B-600001859, 811B-600001860, 811B-600001861, 811B-600001862, 811B-600001863, 811B-600001864, 811B-600001865, 811B-600001866, 811B-600001867, 811B-600001868, 811B-600001870, 811B-600001886, 811B-600001888, 811B-600001889, 811B-600001896, 811B-600001897, 811B-600001898, 811B-600001899, 811B-600001900, 811B-600001901, 811B-600001910, 811B-600001911, 811B-600001912, 811B-600001926, 811B-600001930, 811B-600001955, 811B-600001956, 811B-600001959, 811B-600001960, 811B-600001961, 811B-600001962, 811B-600001974, 811B-600001975, 811B-600001976, 811B-600001981, 811B-600001997, 811B-600001998, 811B-600002005, 811B-600002006, 811B-600002007, 811B-600002010, 811B-600002011, 811B-600002012, 811B-600002013, 811B-600002014, 811B-600002015, 811B-600002016, 811B-600002017, 811B-600002018, 811B-600002019, 811B-600002022, 811B-600002023, 811B-600002024, 811B-600002025, 811B-600002026, 811B-600002027, 811B-600002028, 811B-600002029, 811B-600002030, 811B-600002031, 811B-600002036, 811B-600002037, 811B-600002038, 811B-600002039, 811B-600002040, 811B-600002041, 811B-600002042, 811B-600002043, 811B-600002044 (distributed in US) Code Breakdown Example: 811B-600001896, 811B = the series, 6 = the version, 00 = the revision, 001896 = the unique identifier number.
Products Sold
Model 811-B Serial Numbers: 811B-600001876, 811B-600001877, 811B-600001878, 811B-600001879, 811B-600001880, 811B-600001882, 811B-600001883, 811B-600001884 (distributed to Australia); 811B-600001774, 811B-600001775, 811B-600001776, 811B-600001881, 811B-600002008, 811B-600002009, 811B-600002044 (distributed to Canada); 811B-600001762, 811B-600001763, 811B-600001764, 811B-600001765, 811B-600001766, 811B-600001767, 811B-600001768, 811B-600001769, 811B-600001770, 811B-600001771, 811B-600001772, 811B-600001773, 811B-600001777, 811B-600001793, 811B-600001794, 811B-600001795, 811B-600001796, 811B-600001797, 811B-600001798, 811B-600001799, 811B-600001803, 811B-600001804, 811B-600001818, 811B-600001819, 811B-600001820, 811B-600001821, 811B-600001822, 811B-600001823, 811B-600001824, 811B-600001825, 811B-600001826, 811B-600001852, 811B-600001853, 811B-600001854, 811B-600001855, 811B-600001856, 811B-600001857, 811B-600001858, 811B-600001859, 811B-600001860, 811B-600001861, 811B-600001862, 811B-600001863, 811B-600001864, 811B-600001865, 811B-600001866, 811B-600001867, 811B-600001868, 811B-600001870, 811B-600001886, 811B-600001888, 811B-600001889, 811B-600001896, 811B-600001897, 811B-600001898, 811B-600001899, 811B-600001900, 811B-600001901, 811B-600001910, 811B-600001911, 811B-600001912, 811B-600001926, 811B-600001930, 811B-600001955, 811B-600001956, 811B-600001959, 811B-600001960, 811B-600001961, 811B-600001962, 811B-600001974, 811B-600001975, 811B-600001976, 811B-600001981, 811B-600001997, 811B-600001998, 811B-600002005, 811B-600002006, 811B-600002007, 811B-600002010, 811B-600002011, 811B-600002012, 811B-600002013, 811B-600002014, 811B-600002015, 811B-600002016, 811B-600002017, 811B-600002018, 811B-600002019, 811B-600002022, 811B-600002023, 811B-600002024, 811B-600002025, 811B-600002026, 811B-600002027, 811B-600002028, 811B-600002029, 811B-600002030, 811B-600002031, 811B-600002036, 811B-600002037, 811B-600002038, 811B-600002039, 811B-600002040, 811B-600002041, 811B-600002042, 811B-600002043, 811B-600002044 (distributed in US) Code Breakdown Example: 811B-600001896; 811B = the series; 6 = the version; 00 = the revision; 001896 = the unique identifier number.
Parks Medical Electronics Inc is recalling Parks Medical Ultrasonic Doppler Flow Detector, Model 811-B (finished assembly without accompanying due to Premature battery failure: Wrong acid flux used on circuit board which may lead to premature battery failure of ultrasonic non-directional doppler fl. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
Premature battery failure: Wrong acid flux used on circuit board which may lead to premature battery failure of ultrasonic non-directional doppler flowmeter.
Recommended Action
Per FDA guidance
811-B: On 9/28/07 Parks Medical Electronics notified their related U.S. distributor, Parks Medical Electronics Sales, Inc., Las Vegas, NV by email instructing them to stop further shipments. On 10/1/07 firm followed up with phone call instructing all units be returned for rework. On 11/8/07 firm sent replacement units accompanied with a Warranty Exchange Letter to their other U.S. customers notifying them of affected units. Letters were customized for each customer with a fill-in-the-blank of the model and serial numbers. Letters and replacement units were sent UPS 2nd Day Air and informed customer about the assembly error and instructions for returning the defective units. On 11/8/07 emails were sent to Brazilian and Australian distributors informing about assembly error and affected units. Rework instructions and a schematic were provided by email for each distributor to perform their own rework. On 11/28/97 Canadian customers were sent Warranty Exchange Letters and replacement units via UPS Ground. Firm is retrieving units from US and Canadian firms and will rework them. Firm is waiting to hear whether Brazilian or Austraian distributors need to sub-recall. Canadian distributors instructed to conduct subrecall if needed. All returned units will be reworked by disassembly of unit, removal of affected printed circuit board, washing board to remove acid flux, and testing.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026