

Perry Baromedical
Sigma 40-II
Editor · Max PDescription on file
Stored directory description. It is not a test we ran of this chamber.
The Sigma 40-II is Perry's dualplace chamber, enabling treatment of two patients simultaneously in a 40.5-inch diameter bore at 3.0 ATA. Features dual BIBS systems with Duke hoods for independent oxygen delivery to each patient. Doubles treatment throughput while maintaining full clinical-grade capability. An efficient solution for high-volume HBOT programs.
Who is this for?
Built for hospital wound care centers and clinical HBOT programs treating chronic wounds, decompression sickness, and post-surgical recovery. If you run a program where treatment outcomes are measured and documented, the Sigma 40-II delivers the certified pressure range and reliability your team depends on at 3 ATA. Medical facilities with high patient volumes and demanding clinical standards consistently choose hard-shell clinical chambers like this one.
Who it suits
Sigma 40-II is a hard-shell multiplace chamber, listed at 3 ATA, in the $50,000 and above listed-price band, with a listed capacity of 2-person, listed interior size 40.5in diameter, dual-patient.
The listing describes who it is for as: Built for hospital wound care centers and clinical HBOT programs treating chronic wounds, decompression sickness, and post-surgical recovery. If you run a program where treatment outcomes are measured and documented, the Sigma 40-II delivers the certified pressure range and reliability your team depends on at 3 ATA. Medical facilities with high patient volumes and demanding clinical standards consistently choose hard-shell clinical chambers like this one.
This is not medical advice. Ask your doctor which pressure and setting fit you, and read the Carbon Monoxide Poisoning guide.
Who should skip it
- Listed portability is fixed-installation, so this is not a portable chamber.
- The low price estimate is $100,000, so this is not a chamber listed under $25,000.
- Listed tier is clinical-grade, so this is not an entry-level home wellness chamber.
Estimated Price
$100,000 - $160,000
Financing: Leasing and financing available for medical facilities
Among 8 hard-shell multiplace chambers with a listed low price in the $50,000 and above band, those low prices run from $55,000 to $150,000. This chamber's listed low price is $100,000.
Used for
Based on the protocol pressure and tier this chamber supports. FDA-approved indications marked.
Closest listed alternatives
Same chamber type and listed-price band. Sorted by how close the listed low price and pressure are.
| Chamber | Type | ATA | Listed price | Compare |
|---|---|---|---|---|
| Henshaw Cube | hard-shell multiplace | 2 | Contact for pricing (~$100,000+) | Compare |
| Origin Oxygen Unity | hard-shell multiplace | 2 | £79,680 ex VAT (~$98,000 USD) | Compare |
| Macy-Pan HE5000 Plus | hard-shell multiplace | 2 | $83,000 - $91,300 | Compare |
Best-of lists
Questions from the listing
What maximum pressure is listed for the Sigma 40-II?
The Sigma 40-II listing shows a maximum pressure of 3 ATA.
What price is listed for the Sigma 40-II?
The listing shows $100,000 - $160,000.
Is the Sigma 40-II listed as FDA cleared?
In the HBOT Finder database, FDA clearance for the Sigma 40-II is "yes". The listed clearance number is Multiple 510(k)s.
What type of chamber is the Sigma 40-II?
The Sigma 40-II is listed as a hard-shell multiplace chamber.
What size is listed for the Sigma 40-II?
The listing gives capacity 2-person and interior dimensions 40.5in diameter, dual-patient.
Does this page say whether the Sigma 40-II is right for a medical condition?
No. This page only repeats the chamber's listed specifications. Ask your doctor before using hyperbaric oxygen therapy. Condition guides on this site summarize published research and are not personal medical advice.
Compare Sigma 40-II with...
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Quick Specs
Key technical specifications
Interior Features
Ownership
Manufacturer
Brand
Perry Baromedical
Headquarters
1313 13th St, Riviera Beach, FL 33404
Established
1956
Type
manufacturer
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Data confidence: high · Verified 2026-03-03 · Page updated 2026-10-27







