1
Frans F Jobsis: Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment. Vander Corporation, Steven J Hultquist, February 21, 1989: US04805623 (453 worldwide citation)

A spectrophotometric method is described of quantitatively determining the concentration of a dilute component in either a clear or a strongly light-scattering environment containing same in unknown concentration together with a reference component of known concentration, by a series of contemporane ...


2
Paul D Jobsis, Frans F Jobsis: Method and apparatus for determining oxygen saturation of blood in body organs. Olive & Olive P A, July 15, 2003: US06594513 (211 worldwide citation)

A spectrophotometric method and apparatus for determining the degree of oxygen saturation of the hemoglobin in the blood within a body part utilizes differences in light absorption based on differences in extinction coefficients at different wavelengths. Oxygen saturation is determined by utilizing ...


3
Frans F Jobsis, Johannes H Keizer, Ronald F Overaker: Apparatus for monitoring metabolism in body organs. Duke University, B B Olive, March 30, 1982: US04321930 (202 worldwide citation)

A mounting structure secures to a selected portion of the human body, e.g., the head, a limb, or the torso, and incorporates light source and light detecting means adapted for association with spectrophotometric circuitry for in situ, in vivo monitoring of local metabolism in the area of the body wh ...


4
Frans F Jobsis: Method and apparatus for monitoring metabolism in body organs. Duke University, B B Olive, August 4, 1981: US04281645 (184 worldwide citation)

A spectrophotometric transillumination method and apparatus are directed to non-invasive, continuous, atraumatic, in vivo, in situ monitoring of metabolism in a body organ. In the described applications, measuring and reference wavelengths within the near infrared region, i.e., 700-1300 nm, are util ...


5
Frans F Jobsis: Method and apparatus for monitoring metabolism in body organs in vivo. Duke University, B B Olive, September 23, 1980: US04223680 (178 worldwide citation)

A spectrophotometric method, apparatus and reflectance technique is directed to non-invasive, harmless, continuous, atraumatic, in vivo, in situ monitoring of metabolism in a body organ utilizing measuring and reference wavelengths within the near infrared region, i.e., 700-1300 nm. Monitoring of ox ...


6
Frans F Jobsis, Johannes H Keizer, Ronald F Overaker: Apparatus for monitoring metabolism in body organs. Duke University, B B Olive, April 19, 1983: US04380240 (174 worldwide citation)

A mounting structure secures to a selected portion of the human body, e.g., the head, a limb, or the torso, and incorporates light source and light detecting means adapted for association with spectrophotometric circuitry for in situ, in vivo monitoring of local metabolism in the area of the body wh ...


7
Frans F Jobsis, Hans H Keizer, Ronald F Overaker: Body-mounted light source-detector apparatus. Duke University, B B Olive, April 16, 1985: US04510938 (132 worldwide citation)

Means are provided for securing to the human body a light source housing and a light detector housing used for monitoring metabolism, said means comprising sockets adapted to fit over the housings and having tab members adapted to be adhesively secured to the body to maintain the respective light so ...