×

Method and apparatus for detecting blood gas

  • US 4,535,778 A
  • Filed: 05/13/1983
  • Issued: 08/20/1985
  • Est. Priority Date: 05/13/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. A blood gas detector comprising a positioning assembly including a flat base plate of approximately elliptical outline and of a thickness adapted to fit within the closed human mouth alongside and against both the upper and lower gums and the inside of the adjacent cheek and of a width to fit against the upper and lower merging portions of the inside of the cheek and the gums, a dome included in said positioning assembly and disposed on and projecting away from said base plate to displace the inside surface of said cheek to lie over said dome, a first sensing electrode disposed at the center of said dome and adapted to lie close to the inside of said cheek, a second sensing electrode disposed around the center of said dome spaced from and in electrical relationship with said first electrode and adapted to lie close to the inside of said cheek, and sensing electrical conductors respectively joined to said sensing electrodes and supported by and extending from said base plate.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×