Catheter for performing an atherectomy procedure

Details Catheter for performing an atherectomy procedure Catheter for performing an atherectomy procedure

1989-07-26

1992-03-31

Rosenbaum, C. Fred

Surgery

Instruments

Cutting, puncturing or piercing

604 22, 606159, A61B 1732

Patent

active

051004267

ABSTRACT:
A catheter for performing an atherectomy procedure to remove plaque from an artery is disclosed. The catheter includes a plaque cutting head having an outer shell of thin flexible material generally cylindrical in cross-section and shaped to engage plaque in an artery. The outer shell has a plurality of openings through which the plaque will enter the shell as the shell is forced against the plaque. A cutter rotates inside the shell to cut the plaque that enters into the shell into small pieces as the catheter is pushed through an artery. A motor drive elongated drive shaft rotates the cutter.

REFERENCES:
patent: 4167944 (1979-09-01), Banko
patent: 4598710 (1986-07-01), Kleinberg et al.
patent: 4631052 (1986-12-01), Kensey
patent: 4690140 (1987-09-01), Mecca
patent: 4696667 (1987-09-01), Masch
patent: 4804364 (1989-02-01), Dieras et al.
patent: 4808153 (1989-02-01), Parisi
patent: 4857045 (1989-08-01), Rydell
Article describing "Roto-Rooter" described in the Apr. 1988 issue of Popular Science.
Article taken from Houston Chronical newspaper dated Sunday, Jun. 25, 1989.

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