Infusion guidewire including proximal stiffening sheath

Details Infusion guidewire including proximal stiffening sheath Infusion guidewire including proximal stiffening sheath

1991-01-18

1993-02-09

Hinderburg, Max

Surgery

Truss

Pad

604164, 604264, 604282, A61B 500

Patent

active

051846276

ABSTRACT:
A flexible elongated medical infusion guidewire having proximal and distal portions for delivering a pressurized fluid medicaments to a site with a body vessel. The guidewire is comprised of a helically wound coil having a polyimide sheath tightly enclosing its proximal portion, and a teflon sheath tightly covering the entire wire coil. The teflon sheath is punctured at its distal end to facilitate release of fluid therethrough. The coil is closed at its distalmost end by a ball weld.

REFERENCES:
patent: 4362163 (1982-12-01), Krick
patent: 4538622 (1985-09-01), Samson et al.
patent: 4739768 (1988-04-01), Engelson
patent: 4834709 (1989-05-01), Banning et al.
patent: 4846186 (1989-07-01), Box et al.
patent: 4906241 (1990-03-01), Noddin et al.
patent: 4955862 (1990-09-01), Sepetka

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