Patent · US Active

Valved sheath introducer for venous cannulation

US7637893B2 · kind B2 · utility

120Cited by

286References

22Claims

0Family size

Assignee

C.R. Bard, Inc. · US

Inventors

Mark A. Christensen · Santa Cruz, US
Steven M. Smith · Renton, US
Walter H. Shang · Irvine, US
James D. Beal · Spanish Fork, US

Key dates

Filing date	May 2, 2005
Grant date	Dec 29, 2009
Priority date	—
Expiry date	Mar 17, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/7885
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A valved sheath introducer for venous cannulation, including a valve, sheath, handle and cap. The valve is configured to permit safe introduction and removal of medical instruments through the sheath introducer. The valve may have one or more anchoring members and a thickened central portion through which a slit is formed. The central portion may have one or more concave surfaces and the slit can be angled with respect to the top surface of the valve. The cap is attached to the handle, compressing a portion of the valve therebetween.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.