03-25-2024, 11:07 AM
RE: CPAP compressed air path design, foam, filtration & maintenance
Great points from all!
I don’t think improved design standards would be cost restrictive. The intended benefit being for health & comfort. With respect to filtration, a universal media attachment would reduce type of stock DME’s need to hold. DME’s could stock one ‘pollen’ filter for all machine types, they would never have stock get designed out of use.
The filter interface could be done a couple ways cost effectively. Personally I am ok with an external filter, nothing happens around my bedside table that would put it at risk. I’m not 20 anymore…
Both 3m & Honeywell North respirator cartridges use a different connection to respirator mask. One is threaded and one is a fitting lock with replaceable rubber seal. I think the hardest thing would be sound, ensuring the filter & attachment don’t whistle.
I’m not an engineer, but I know respirator filter media has a large surface area vs the stock CPAP filter. Maybe respirator type filters need to be re-designed to handle CPAP cfm. It would be interesting to know if respirator filtration can handle CPAP flows as is..
CPAP manufacturers wouldn’t need to re-engineer the pollen or allergen filter every time they change machine design, just the attachment. This only impacts people who want the pollen / high quality filter. Both 3M & Honeywell have been using the same filter connection & filter design for decades. Buy a new respirator and the box of filters you have will work.
Often the difference between a good filter and bad filter is the seal from filter to the device. This is one difference between HEPA & non-HEPA filtration. I use an air cleaner in bedroom, it’s just not enough. I cannot even sleep with bedroom window open. Improved filtration is important for me.
I don’t think improved design standards would be cost restrictive. The intended benefit being for health & comfort. With respect to filtration, a universal media attachment would reduce type of stock DME’s need to hold. DME’s could stock one ‘pollen’ filter for all machine types, they would never have stock get designed out of use.
The filter interface could be done a couple ways cost effectively. Personally I am ok with an external filter, nothing happens around my bedside table that would put it at risk. I’m not 20 anymore…
Both 3m & Honeywell North respirator cartridges use a different connection to respirator mask. One is threaded and one is a fitting lock with replaceable rubber seal. I think the hardest thing would be sound, ensuring the filter & attachment don’t whistle.
I’m not an engineer, but I know respirator filter media has a large surface area vs the stock CPAP filter. Maybe respirator type filters need to be re-designed to handle CPAP cfm. It would be interesting to know if respirator filtration can handle CPAP flows as is..
CPAP manufacturers wouldn’t need to re-engineer the pollen or allergen filter every time they change machine design, just the attachment. This only impacts people who want the pollen / high quality filter. Both 3M & Honeywell have been using the same filter connection & filter design for decades. Buy a new respirator and the box of filters you have will work.
Often the difference between a good filter and bad filter is the seal from filter to the device. This is one difference between HEPA & non-HEPA filtration. I use an air cleaner in bedroom, it’s just not enough. I cannot even sleep with bedroom window open. Improved filtration is important for me.
