Food, drugs, devices › Hamilton Medical AG
Device recall: Breathing circuit set, coaxial: REF: 260127, 260128, 260167, 260168 used with HAMILTON-C1, HAMILTON-T1 and HAMILTON-MR1
FDA enforcement event 99028 is a device recall by Hamilton Medical AG of Domat/Ems, N/A, initiated 29 May 2026 and classified Class I, with 1 product record.
FDA defines Class I as a situation in which there is a reasonable probability that the use of or exposure to a violative product will cause serious adverse health consequences or death. 12% of the 572 device enforcement events initiated in 2026 carry the same class.
Status: Ongoing. Initiation: voluntary: firm initiated. Hamilton Medical AG has 12 enforcement events on this register, with a median of 1 product record per event.
Recall classification reflects the relative degree of health hazard. Text in quotation marks is FDA's. openFDA export dated 28 Sep 2026.
Recalling firm
Hamilton Medical AG, Domat/Ems, N/A, Switzerland.
Reason for recall
"Ventilator coaxial breathing circuit may have, expiratory valve sets with membranes sticking to valve body, not detectable during pre-operative test, which will result in "exhalation obstructed " alarm, which may result in inadequate ventilation, oxygen desaturation. Advising: Prior to use, test lung action. If alarm occurs, expiratory valve set removal to overcome membrane adhesion or replacement"
Distribution
"US Nationwide distribution including in the states of KS, WA, VT, TX, WI, AR, OH, PA, CA, CO, ID, AZ, ME, MO, MI, IL, OR, VA, FL, NJ, SD, NY, NM, TN, CT, NE, OK, AL, GA, KY, NH, WY, ND, IN, UT, WV,…"
Product records
| Recall number | Product | Quantity | Class | Status | Report date |
|---|---|---|---|---|---|
| Z-2463-2026 | Breathing circuit set, coaxial: REF: 260127, 260128, 260167, 260168 used with HAMILTON-C1, HAMILTON-T1 and HAMILTON-MR1 ventilators. | 27,270 pcs | Class I | Ongoing | 8 Jul 2026 |
Context
Other enforcement events for Hamilton Medical AG
All 12 events for Hamilton Medical AG
Questions and answers
Why was this device recalled?
FDA's record gives the reason for recall as: "Ventilator coaxial breathing circuit may have, expiratory valve sets with membranes sticking to valve body, not detectable during pre-operative test, which will result in "exhalation obstructed " alarm, which may result in inadequate ventilation, oxygen desaturation. Advising: Prior to use, test lung action. If alarm occurs, expiratory valve set removal to overcome membrane adhesion or replacement"
What does Class I mean?
FDA classifies recalls by relative degree of health hazard. Class I is a situation in which there is a reasonable probability that the use of or exposure to a violative product will cause serious adverse health consequences or death.
Where was the product distributed?
FDA's distribution pattern field reads: "US Nationwide distribution including in the states of KS, WA, VT, TX, WI, AR, OH, PA, CA, CO, ID, AZ, ME, MO, MI, IL, OR, VA, FL, NJ, SD, NY, NM, TN, CT, NE, OK, AL, GA, KY, NH, WY, ND, IN, UT, WV,…"
Is the recall still ongoing?
FDA lists the status as Ongoing. "Terminated" means FDA has determined that all reasonable efforts to remove or correct the product have been made.
Where does this data come from?
openFDA enforcement reports (food, drug and device), CC0, export dated 28 Sep 2026. Text in quotation marks is FDA's. The FDA enforcement report linked above is authoritative.
Provenance
Source: openFDA device enforcement reports (CC0), export dated 28 Sep 2026; records grouped by FDA event number. The class shown for the event is the most severe class among its records. Errors in processing are corrected at the next build; see corrections.