Surgery – Truss – Perineal
Patent
1988-02-09
1989-07-18
Grieb, William H.
Surgery
Truss
Perineal
A61B 100
Patent
active
048483230
ABSTRACT:
Apparatus for examining a cavity in a body, comprising a cannula with accessories which via the cannula can be disposed to extend into such cavity. At least one accessory is arranged to receive one or more conductors. The accessory arranged to receive conductors comprises a relatively stiff mandrin disposed for movement between a plurality of substantially parallel capillaries. Each capillary contains at least adjacent its end, a tubular body of translucent material, the ends of said tubular bodies remote from the respective capillaries being connected to each other and to the end of the mandrin. The apparatus is arranged to receive at least one further accessory for introducing a light source into the cavity. In use the cannula is disposed so that at least one end extends into the cavity, the accessory with mandrin and capillary are introduced into the cannula, the mandrin with the tubular bodies are moved in the cavity until the end rests against the wall of the cavity, the tubular bodies are moved further for them to come to rest against the wall of the cavity. A photodetector attached to the end of a fiber-type photoconductor is introduced through each of the capillaries into each of the tubular bodies so that they are each positioned at a corresponding position in the middle of the tube. A light source is introduced through the cannula into the cavity until the different light detectors each measure virtually the same amount of light.
REFERENCES:
patent: 4198960 (1980-04-01), Utsugi
patent: 4250873 (1981-02-01), Bonnet
patent: 4619247 (1986-10-01), Inoue et al.
patent: 4718419 (1988-01-01), Okada
The Journal of Urology, vol. 131, May 1984, pp. 884-887.
The Journal of Urology, vol. 133, Feb. 1985, pp. 311-315.
The Journal of Urology, vol. 134, Oct. 1985, pp. 678.
CRC Critical Reviews in Oncology/Aematology, vol. 2, No. 2.1-1984, pp. 83-115.
Jansen Harald
Marijnissen Johannes P. A.
Star Willem M.
Daniel Den Hoed Stichting
Grieb William H.
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