A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
26/201, 73/58, 3
A61B 5/00 (2006.01) G01N 21/77 (2006.01)
Patent
CA 1330830
ABSTRACT Optical probes for the invasive measurement of blood parameters consist of at least one sensor (6, 7, 27), each of these sensors (6, 7,27) having a diffusion zone with a selective membrane (20, 24, 29). The sensor or the sensors (6, 7, 27) are surrounded by a stabilizing sheath (5). This sheath (5) is to be fastened on sensor(s) (6, 7, 27) by a glue (17). A silicone glue provides the feature that gas molecules can diffuse through it; therefore, blood gas sensors such as PO2 sensors or pCO2 sensors may be completely embedded in said glue. If a pH sensor (6) is used, it must be placed in the top position of the horizontally lying sheath (5) during manufacturing. The silicone glue then does not cover the diffusion zone of the pH sensor (6) com- pletely. Further, silicone glue provides additional elasticity which improves sensor characteristics.
596061
Hewlett-Packard Company
Sim & Mcburney
LandOfFree
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