Surgery – Instruments – Light application
Reexamination Certificate
2007-02-27
2007-02-27
Gibson, Roy D. (Department: 3739)
Surgery
Instruments
Light application
C606S016000, C606S013000
Reexamination Certificate
active
10415334
ABSTRACT:
The present invention relates to a laser treatment method and a laser treatment apparatus which can cause thermal damage, such as evaporation or necrosis due to coagulation of organic tissue which is to be subjected to thermal damage, in a sure manner regardless of an absorption percentage of laser beam due to a color tone or composition of the organic tissue, thereby enabling diffusion of cancer cells, due to an abnormally high pressure from evaporation of diseased tissue or the like, to be prevented. The laser treatment method and the laser treatment apparatus have a configuration wherein a laser beam absorption medium is injected between diseased tissue, which is to be an object of laser irradiation, and a laser beam output end, and a laser beam is cast onto the aforementioned laser beam absorption medium so as to cause thermal damage such as evaporation or coagulation of the aforementioned diseased tissue which is the object of laser irradiation, and furthermore, in an event of an abnormal pressure occurring due to evaporation of the diseased tissue, this pressure is vented externally.
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Gibson Roy D.
Wenderoth , Lind & Ponack, L.L.P.
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