Method and arrangement for measuring the concentration of gases
Method for monitoring blood gas tension and pH from outside the body Patent #: 4041932
ApplicationNo. 05/829420 filed on 08/31/1977
US Classes:600/311, Partial pressure of constituent600/480, Pressure in blood vessel600/486, Testing means inserted in body600/502, Pulse indicatorD24/169Hematological or intravenous treatment (41)
ExaminersPrimary: Michell, Robert W.
Assistant: Tayon, Jeffrey W.
Attorney, Agent or Firm
International ClassesA61B 5/00 (20060101)
A61B 5/024 (20060101)
A61B 5/0215 (20060101)
G01N 21/85 (20060101)
AbstractAn optical catheter including an absorption chamber and distensible semipermeable diaphragm are disclosed for the simultaneous measurement of blood gases, blood pressure and pulse rate.