US 7,578,803 B2
Multifunction adaptor for an open-ended catheter
Guy T. Rome, West Valley City, Utah (US); William R. Barron, Riverton, Utah (US); John G. Evans, South Jordon, Utah (US); Dwight Hibdon, Park City, Utah (US); and John A. Zawacki, Park City, Utah (US)
Assigned to C. R. Bard, Inc., Murray Hill, N.J. (US)
Filed on Mar. 08, 2005, as Appl. No. 11/76,564.
Application 11/076564 is a continuation in part of application No. 10/803512, filed on Mar. 18, 2004.
Prior Publication US 2005/0261664 A1, Nov. 24, 2005
Int. Cl. A61M 5/178 (2006.01)
U.S. Cl. 604—167.04  [604/167.03; 604/533] 15 Claims
OG exemplary drawing
 
1. An adaptor, comprising:
a housing including a passageway extending therethrough, a distal opening for engaging a proximal end of a catheter, and a proximal portion of the passageway including a means for engaging a first end of a tunneler; and
a valve comprising a closed proximal end including a slit and an open distal end, the closed proximal end positioned in the passageway distal of the means for engaging, a wall including an inner surface that defines a lumen connecting the proximal and distal ends of the valve, the inner surface of the wall narrowing from the valve proximal end to a valve mid portion and enlarging from the valve mid portion to the valve distal end, the wall configured to guide a proximal end of a guidewire from the valve distal end through the slit.