Surgery – Diagnostic testing – Measuring or detecting nonradioactive constituent of body...
Patent
1999-05-13
2000-12-05
Kennedy, Sharon
Surgery
Diagnostic testing
Measuring or detecting nonradioactive constituent of body...
604192, A61B 500
Patent
active
061559776
ABSTRACT:
The present invention provides a catheter which has an integral inflatable and deflatable balloon. The catheter includes an elongated, flexible tube and at least two spaced-apart openings therein. The operative element of the catheter is in communication with the first opening of the tube. The second opening in the catheter is in communication with the balloon. Preferably, the balloon is made of latex and extends around the diameter of the tube. Interfaces for both an inflation device for the balloon and a control device for the operative element are connected to the trailing end of the tube. The inflation device selectively inflates and deflates the balloon. The control device controls the operative element of the catheter. The catheter is placed by inserting the catheter with the balloon in a deflated position into the specified body channel. The body channel must have a restriction smaller than the size of the inflated balloon. The catheter is introduced into the body such that the deflated balloon passes through the restriction. At this point, the balloon is inflated. The catheter is then withdrawn until the balloon is in contact with the restriction. The balloon is then deflated and the catheter is in position. To ensure proper placement of the operative element of the catheter, the first opening must be an appropriate distance from the balloon.
REFERENCES:
patent: 5046497 (1991-09-01), Millar
patent: 5704353 (1998-01-01), Kalb et al.
patent: 5788631 (1998-08-01), Fiddian-Green
patent: 5928155 (1999-09-01), Eggers et al.
Digitrapper Mk III User's Manual Apr. 6, 1994 pp. 8-11 By Synectics Medical AB.
Kennedy Sharon
Lam Ann Y.
Thomte Dennis L.
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