Laser catheter with monitor and dissolvable tip

Details Laser catheter with monitor and dissolvable tip Laser catheter with monitor and dissolvable tip

1992-02-18

1994-01-25

Pellegrino, Stephen C.

Surgery

Instruments

Light application

606 14, 604265, A61B 504

Patent

active

052812120

ABSTRACT:
A laser catheter for irradiation of human myocardial tissue containing a fixed feedback mechanism for monitoring the damage created by laser irradiation, and which is usable with standard catheters designed for angiography and angioplasty. Means for sensing distal temperature are provided in the form of a plurality of thermocouples, along with the ability to cool the fiber optic and distal tip with a flushing solution. Flushing of the area adjacent to the tip is provided for by a fluid which travels the length of the laser catheter. A dissolvable tip covering at the distal end facilitates passage of a very sharp point through a guiding catheter or vasculature.

REFERENCES:
patent: 3736939 (1973-06-01), Taylor
patent: 4669467 (1987-06-01), Willett et al.
patent: 4718417 (1988-01-01), Kittrell et al.
patent: 4785806 (1988-11-01), Deckelbaum
patent: 4785815 (1988-11-01), Cohen
patent: 4860743 (1989-08-01), Abela
patent: 4985028 (1992-01-01), Isner et al.
patent: 4997431 (1992-03-01), Isner et al.

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