The following data is part of a premarket notification filed by Essex Cryogenics Of Missouri, Inc. with the FDA for Portable Therapeutic Oxygen Concentration System (ptocs).
| Device ID | K022684 | 
| 510k Number | K022684 | 
| Device Name: | PORTABLE THERAPEUTIC OXYGEN CONCENTRATION SYSTEM (PTOCS) | 
| Classification | Generator, Oxygen, Portable | 
| Applicant | ESSEX CRYOGENICS OF MISSOURI, INC. 8007 CHIVVIS DR. St. Louis, MO 63123 | 
| Contact | Elizabeth Hunnicut | 
| Correspondent | Elizabeth Hunnicut ESSEX CRYOGENICS OF MISSOURI, INC. 8007 CHIVVIS DR. St. Louis, MO 63123 | 
| Product Code | CAW | 
| CFR Regulation Number | 868.5440 [🔎] | 
| Decision | Substantially Equivalent (SESE) | 
| Type | Abbreviated | 
| 3rd Party Reviewed | No | 
| Combination Product | No | 
| Date Received | 2002-08-12 | 
| Decision Date | 2002-09-11 | 
| Summary: | summary |