Chad Therapeutics Inc Sequoia Oxymatic electronic oxygen conservers. Models OM-302, OM-311 ***and OM-312***. Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Sequoia Oxymatic electronic oxygen conservers. Models OM-302, OM-311 ***and OM-312***.
Brand
Chad Therapeutics Inc
Lot Codes / Batch Numbers
For model #OM-302: Serial #21404202668-21404202680, 21404202682-21404202706, 21404202708-21404202709, 21404202711, 21404202713-21404202715, 21404202722, 21404202725, 21404202728, 21404202730, 21404202733-21404202735, 21404202738-21404202739, 21404202758, 21404202761, 21404202763, For model #OM-311: Serial #21404105027, 21404105030, 2140410503041, 21404105030, 21404105054-21404105055-21404105061, 21404105063-21404105066, 21404105068-21404105070, 21404105073-21404105074, 21404105076, 21404105078-21404105083, 21404105085-21404105086, 21404105089-21404105091, 21404105093-21404105094, 21404105096, 21404105100-21404105102, 21404105105, 21404105107-21404105113, 21404105115-21404105116, 21404105119, 21404105123-21404105124, 21404105127-21404105128, 21404105130-21404105131, 21404105133, 21404105137-21404105139, 21404105142-21404105144, 21404105151-21404105152, 21404105157, 21404105161, 21404105164-21404105168, 21404105170, 21404105172, 21404105178, 21404105180, 21404105182, 21404105185, 21404105194, 21404105201, 21404105204, 21404105206, 21404105209, 21404105211-21404105213, 21404105218, 21404105270-21404105271, 21404105273-21404105274, 21404105276-21404105277, 21404105279, For model #OM-312: Serial #21404301082-21404301159, 21404301161-21404301178
Products Sold
For model #OM-302: Serial #21404202668-21404202680, 21404202682-21404202706, 21404202708-21404202709, 21404202711, 21404202713-21404202715, 21404202722, 21404202725, 21404202728, 21404202730, 21404202733-21404202735, 21404202738-21404202739, 21404202758, 21404202761, 21404202763; For model #OM-311: Serial #21404105027, 21404105030, 2140410503041, 21404105030, 21404105054-21404105055-21404105061, 21404105063-21404105066, 21404105068-21404105070, 21404105073-21404105074, 21404105076, 21404105078-21404105083, 21404105085-21404105086, 21404105089-21404105091, 21404105093-21404105094, 21404105096, 21404105100-21404105102, 21404105105, 21404105107-21404105113, 21404105115-21404105116, 21404105119, 21404105123-21404105124, 21404105127-21404105128, 21404105130-21404105131, 21404105133, 21404105137-21404105139, 21404105142-21404105144, 21404105151-21404105152, 21404105157, 21404105161, 21404105164-21404105168, 21404105170, 21404105172, 21404105178, 21404105180, 21404105182, 21404105185, 21404105194, 21404105201, 21404105204, 21404105206, 21404105209, 21404105211-21404105213, 21404105218, 21404105270-21404105271, 21404105273-21404105274, 21404105276-21404105277, 21404105279; For model #OM-312: Serial #21404301082-21404301159, 21404301161-21404301178
Chad Therapeutics Inc is recalling Sequoia Oxymatic electronic oxygen conservers. Models OM-302, OM-311 ***and OM-312***. due to "Shot size" below manufacturing specifications. Risk of less than the specified quantity of oxygen delivered per pulse.. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
"Shot size" below manufacturing specifications. Risk of less than the specified quantity of oxygen delivered per pulse.
Recommended Action
Per FDA guidance
Firm recalled via email and letter on 3/25/2005. Firm is requesting returns of all units. Recall is on-going and is to the user or patient level.
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