Surgery – Truss – Pad
Patent
1990-06-06
1992-03-03
Smith, Ruth S.
Surgery
Truss
Pad
250343, 250345, A61B 505
Patent
active
050923420
ABSTRACT:
The invention is directed to a sensor arrangement for optically measuring the components of a gas. The sensor arrangement includes a housing containing a transmitter, a receiver device, a heatable holder for a measuring cuvette and optical devices for establishing the beam path. The sensor arrangement is improved by limiting the heating of the cuvette walls to those areas which lie in the beam path without the pass-through area of the optical devices being narrowed by the heating device. Also, the cuvette walls are heated in the manner described above without electrical contacts being disposed on the cuvette or on the sensor. The heatable cuvette holder includes one window disposed in the beam path which is transmissive for the measuring radiation. When the cuvette is seated in the cuvette holder, this window lies in virtual contact engagement with the cuvette and has a surface facing away from the cuvette. The heating device is applied to this surface of the window and is configured to allow the beam to pass therethrough.
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Best Regina
Grabbet Bernd
Hattendorff Horst-Dieter
Liesching Eberhart
Dragerwerk Aktiengesellschaft
Nasser Jr. Robert L.
Ottesen Walter
Smith Ruth S.
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