System for the percutaneous transluminal front-end loading deliv

Details System for the percutaneous transluminal front-end loading deliv System for the percutaneous transluminal front-end loading deliv

1995-05-01

1996-01-23

Green, Randall L.

Surgery

Instruments

Internal pressure applicator

623 2, 606191, A61M 2900

Patent

active

054861934

ABSTRACT:
A system for percutaneous transluminal front-end delivery of a collapsible prosthetic occluder includes a front-end loading portion, a control assembly and an introducer. The front-end loading portion includes a tapering lumen portion and a smaller diameter distal lumen portion. An infusion port communicates with the distal lumen portion immediately adjacent the distal end of the tapering lumen portion. A valve assembly seals the front-end loading portion lumen proximally of the collapsed occluder. The distal end of the front-end loading portion lumen is inserted into the proximal end of an introducer. A control assembly advances the occluder through the front-end loading portion, the introducer and into the defect site.

REFERENCES:
patent: 3874388 (1975-04-01), King et al.
patent: 4503569 (1985-03-01), Dotter
patent: 4699611 (1987-10-01), Bowden
patent: 4733665 (1988-03-01), Palmaz
patent: 4830003 (1989-05-01), Wolff et al.
patent: 4878906 (1989-11-01), Lindemann et al.
patent: 5037392 (1991-08-01), Hillstead
patent: 5104399 (1992-04-01), Lazarus
patent: 5122154 (1992-06-01), Rhodes
patent: 5151105 (1992-09-01), Kwan-Gett
patent: 5156620 (1992-10-01), Pigott
Front-Loading of Double-Umbrella Devices, a New Technique for Umbrella Delivery for Closing Cardiovascular Defects by Stanton B. Perry, M.D. and James E. Lock, M.D., The American Journal of Cardiology, vol. 70, Oct. 1, 1992, pp. 917-920.

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