Catheter guide wire with short spring tip and method of using th

Details Catheter guide wire with short spring tip and method of using th Catheter guide wire with short spring tip and method of using th

1986-03-27

1992-05-05

Pellegrino, Stephen C.

Surgery

Truss

Pad

128657, 604 95, 604164, A61B 502

Patent

active

RE0339113

ABSTRACT:
Guide wire and method for insertion and use of a catheter. The guide wire has a shaft of substantially smaller diameter than the luminal opening, with a flexible coil at one end of the shaft. The guide wire is inserted into the cardiovascular system, and the catheter is advanced along the guide wire to the desired position, with the flexible coil outside the distal end of the catheter. An annular passageway is formed between the shaft and the wall of the luminal opening, and fluids are passed through this passageway while the guide wire is within the catheter. A marker of radio opaque material is provided at the distal end of the guide wire so that the position of the wire can be accurately determined even though the wire itself may be too small to be visible with a fluoroscope.

REFERENCES:
patent: 3552384 (1971-01-01), Pierie et al.
patent: 3789841 (1974-02-01), Antoshkiw
patent: 4003369 (1977-01-01), Heilman et al.
patent: 4020829 (1977-05-01), Willson et al.
patent: 4545390 (1985-10-01), Leary

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