Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-12-01
2000-04-18
McDermott, Corrine M.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604264, 606213, A61M 3100
Patent
active
060509864
ABSTRACT:
A catheter system includes a catheter having a proximal end, a distal end, and a lumen extending therein. An elongate member slidably disposed in the lumen has a distal end located proximate the distal end of the catheter. An administering tip is disposed at the distal end of the catheter and is configured to express a bolus of liquid in response to positive pressure in a distal portion of the lumen created by movement of the elongate member distally in the lumen. The present invention also includes a method of administering a liquid to a treatment site. The distal end of the catheter is transluminally positioned proximate the treatment site. The catheter is charged by placing a bolus of the liquid in a distal end of the lumen between a distal tip of the catheter and a distal end of the elongate member. The elongate member is then moved distally within the lumen to express the bolus from the distal end of the catheter.
REFERENCES:
patent: 5306246 (1994-04-01), Sahatjian et al.
patent: 5702384 (1997-12-01), Umeyama et al.
patent: 5746728 (1998-05-01), Py
patent: 5820610 (1998-10-01), Baudino
McDermott Corrine M.
Sci-Med Life Systems, Inc.
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