| Ann's husband Eric Martin, who presented the cheque to hospice fund-raiser Gillian Richardson, was told that the money will be used to buy much-needed oxygen concentrators. |
| The market for oxygen concentrators is being disrupted by the portable devices that can be used to provide oxygen under all circumstances. |
| With this project Lucent increases its share of broadband access concentrators in the Telefonica network to reach a total of 400,000 ADSL ports. |
| Mike, Mickey, and other medical equipment people have a 42-foot trailer full of beds, wheelchairs, oxygen concentrators, et cetera. |
| Stationary concentrator systems are always used by a patient to supplement portable oxygen concentrators. |
| Other interconnects may require concentrators or other external hardware. |
