Surgery – Instruments – Internal pressure applicator
Patent
1994-09-26
1996-10-29
McDermott, Corrine M.
Surgery
Instruments
Internal pressure applicator
604 96, A61M 2500
Patent
active
055692940
ABSTRACT:
The present invention is for a two piece balloon protector (5) which consists of an cylindrical tube (10) and an inner elastomeric member (15). The inner elastomeric member (15) has a outer diameter that is smaller than the inner diameter of cylindrical tube (10) and fits inside of the cylindrical tube (10). The proximal end of the inner elastomeric member (15) has a return flange (30) that fits around the proximal end of cylindrical tube (10). To install the balloon protector (5) over the dilatation catheter balloon (20), cylindrical tube (10) is held fixed while the inner elastomeric member (15) is pulled longitudinally at its distal end, thus stretching the material, decreasing the longitudinal cross-section and creating a larger inner diameter in inner elastomeric member (15). The balloon protector (5) is slid over the dilatation catheter balloon (20), the longitudinal force on the inner insert (15) is released causing the inner diameter of the inner elastomeric member (15) to decrease, compressing and containing the dilatation catheter balloon (20).
REFERENCES:
patent: 4573981 (1986-03-01), McFarlane
patent: 4710181 (1987-12-01), Fuqua
patent: 4738666 (1988-04-01), Fuqua
patent: 5015231 (1991-05-01), Keith et al.
patent: 5053007 (1991-10-01), Euteneuer
patent: 5066298 (1991-11-01), Hess
patent: 5137512 (1992-08-01), Burns et al.
patent: 5352236 (1994-10-01), Jurg et al.
patent: 5417707 (1995-05-01), Parkola
patent: 5425710 (1995-06-01), Khair
McDermott Corrine M.
Medtronic Inc.
Patton Harold R.
Plunkett Dianne M. F.
Shevlin Michael R.
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