Embolus trap

Details Embolus trap Embolus trap

1986-11-26

1988-03-01

Thaler, Michael H.

Surgery

Truss

Pad

128345, A61B 1700

Patent

active

047278730

ABSTRACT:
The device comprises a plurality of elongated filamentary loops extending outwardly from a central column in one or more tiers, the filaments having hooks backed by offset barriers at their free ends. The column is preferably hollow. The device is inserted into a passageway such as a vein with the loops held back toward the column and biased to open when released, and hook into the vein wall to form a network or web to engage and hold blood clots in the vein. The device anchors itself in place without injury to the wall of the passageway. It is self-centering and self-cleaning. Preferably the device is inserted over a wire guide threaded through the column and introduced into the vein through a hollow needle puncture.

REFERENCES:
patent: 3334629 (1967-08-01), Cohn
patent: 3540431 (1970-11-01), Mobin-Uddin
patent: 3952747 (1976-04-01), Kimmell
patent: 4425908 (1984-01-01), Simon

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