Method of intravenous catheterization device

Details Method of intravenous catheterization device Method of intravenous catheterization device

1992-03-13

1993-07-27

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604104, A61M 3100

Patent

active

052307050

ABSTRACT:
A device for use in obtaining intravenous or intraarterial arterial access comprises solid body portion in the form of a cylindrical segment having a pair of longitudinally extending edges, and an elastic membrane connected to the body portion along the edges, whereby the device has a variable transverse cross-section to facilitate the passage of intravenous fluid at a relatively large rate into a vein or artery. The intravenous facilitation device may function as a catheter designed to remain in the vein or artery. Alternatively, the intravenous facilitation device functions as a removable vein dilater through which a catheter is inserted into a vein. In the latter case, the device may further comprise a needle inserted through a channel defined by the solid body portion and the flexible or elastic membrane. In addition, a catheter may be provided in a cylindrical space surrounding the needle and inside the dilating device.

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