Perry Baromedical Sigma 40-II hyperbaric chamberPerry Baromedical Sigma 40-II hyperbaric chamber
Clinical GradeFDA ClearedCE

Perry Baromedical

Sigma 40-II

Editor · Max P
Dual-patient3.0 ATABIBS/Duke hoodsdoubled throughput

Description 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.

Closest listed alternatives

Same chamber type and listed-price band. Sorted by how close the listed low price and pressure are.

ChamberTypeATAListed priceCompare
Henshaw Cubehard-shell multiplace2Contact for pricing (~$100,000+)Compare
Origin Oxygen Unityhard-shell multiplace2£79,680 ex VAT (~$98,000 USD)Compare
Macy-Pan HE5000 Plushard-shell multiplace2$83,000 - $91,300Compare

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.

Similar Chambers

Quick Specs

Key technical specifications

Chamber TypeHard-Shell Multiplace
Performance TierClinical Grade
Max Pressure3 ATA
Oxygen Delivery100%-medical-grade
O₂ Concentration100% via BIBS with Duke hoods
Capacity2-person
Portabilityfixed-installation
Interior Dimensions40.5in diameter, dual-patient
Weight3000 lbs
Noise Level60 dB
Power208-240V, facility-grade
Warranty1 year
Lead Time8-16 weeks
Ships ToGlobal (50+ countries)
Made InUnited States
Brand Est.1956
FDA Cleared#Multiple 510(k)sCEUHMS

Interior Features

WindowClimate ControlIntercomInterior Lighting

Ownership

MaintenanceProfessional maintenance required; annual service contracts available
Training IncludedYes
Clinical Credibility Score9/10

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