Gloria A Lovell

US Patent:

20120101454, Apr 26, 2012

Filed:

Oct 22, 2010

Appl. No.:

12/910755

Inventors:

Gloria Lovell - Altadena CA, US

International Classification:

A61M 25/14

US Classification:

604247

Abstract:

A leak preventing AV needle assembly including an AV needle, a catheter having a first end engaged with the AV needle and a second end, and a one-way valve assembly including a housing having a first end portion engaged with the second end of the catheter, and a second end portion having an opening for receiving a fluid transmission conduit, is disclosed. The valve assembly further includes an axially displaceable closure element for closing the opening in the second end portion when the second end portion is not engaged with the conduit. The needle assembly further includes an elongated housing within which is disposed a biasing element for urging the closure element away from the first end and into sealing engagement with an opening in the second end of the valve assembly housing into which a fluid transmission conduit can be inserted for fluid communication with a catheter inserted into the first end of the valve housing. The closure element can be a disk, an element with a spherical portion, or an element with a conical portion.

US Patent:

20110108482, May 12, 2011

Filed:

Nov 6, 2009

Appl. No.:

12/613755

Inventors:

Gloria Lovell - Altadena CA, US

International Classification:

B01D 61/26
B01D 61/24

US Classification:

210645, 210205, 210634

Abstract:

The present invention discloses a novel method, device, apparatus, or system, which includes a dialyzer casing having a dialysate inlet and outlet with check valves disposed adjacent thereto, allowing the dialysate to flow only in one direction. The casing also has a fluid inlet and outlet for body fluid to be treated flowing therethrough. A first check valve is arranged between the dialysate inlet and a dialysate entry line leading to the dialyzer casing, while a second check valve is arranged between the dialysate outlet and a dialysate exit line departing from the dialyzer casing.