| 摘要 |
<p>In one embodiment the calibration device (1) comprises a housing (2) which by means of a removable lid (8) and a rupturable barrier layer (3) is divided into a calibration chamber (4) and a second chamber (10). Calibration chamber (4) contains a calibration fluid (5) - e.g. a dry gas - while second chamber (10) contains a second fluid (11) - e.g. a wetting agent. Immediately prior to a calibration process the lid (8) is removed, whereafter the sensor in question with its measuring surface in front is inserted through the second chamber (10) into the housing (2) until abutment against a shoulder (6) in said housing (2). This causes the barrier layer (3) to rupture and the second fluid (11) to contact the calibration fluid (5). Hereafter the calibration process can take place. In another embodiment the device (1) further comprises a membrane (12) which is accommodated in the second chamber (10) and is adapted to be secured to the sensor during the insertion of same into the housing (2). The disclosed device - which is particularly suited for use in calibrating sensors for transcutaneous registering of the contents of CO2 and/or O2 in blood - is self-contained, and can be made of a very compact design, making it very well suited for use in connection with portable equipment. Further the device is suitable for being manufactured in the form of a disposable unit.</p> |
