US 11,730,872 B2
Height adjustment foot for medical devices, structures and systems including same
John S. Norman, Gurnee, IL (US); Edward S. Szpara, St. Charles, IL (US); and Anders Wellings, Belleair Beach, FL (US)
Assigned to Baxter International Inc., Deerfield, IL (US); and Baxter Healthcare SA, Glattpark (CH)
Filed by Baxter International Inc., Deerfield, IL (US); and Baxter Healthcare SA, Glattpark (CH)
Filed on May 17, 2019, as Appl. No. 16/415,555.
Claims priority of provisional application 62/673,249, filed on May 18, 2018.
Prior Publication US 2019/0351124 A1, Nov. 21, 2019
Int. Cl. A61M 1/28 (2006.01); A61M 1/16 (2006.01)
CPC A61M 1/288 (2014.02) [A61M 1/166 (2014.02); A61M 1/287 (2013.01); A61M 1/285 (2013.01); A61M 2205/123 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A medical fluid delivery system comprising:
a source of purified water;
a source of concentrate for mixing with water from the source of purified water;
a disposable set including
a pumping portion,
a water line in fluid communication with the source of purified water and the pumping portion,
a concentrate line in fluid communication with the source of concentrate and the pumping portion, and
a mixing container in fluid communication with the pumping portion;
a medical fluid delivery machine including,
a pump actuator operable with the pumping portion of the disposable set, and
a mixing pan configured to support the mixing container;
a leveling tray upon which the medical fluid delivery machine is set for treatment, the leveling tray including at least one aperture including female threads; and
at least one leveling foot connected respectively to the at least one aperture of the leveling tray and positioned and arranged such that the mixing pan is oriented at a desired pitch or level for mixing the concentrate and the purified water, wherein the at least one leveling foot includes:
an outer cylindrical member including (i) male threads on an exterior surface for engaging the female threads of the respective aperture to enable the outer cylindrical member to telescope with respect to the leveling tray, (ii) female threads on an interior surface, and (iii) a circular flange extending from a base of the outer cylindrical member,
an inner cylindrical member including (i) male threads on an exterior surface for engaging the female threads of the respective outer cylindrical member to enable the inner cylindrical member to telescope with respect to the outer cylindrical member, (ii) female threads on an interior surface, and (iii) a circular flange extending from a base of the inner cylindrical member, and
a tightening member including male threads on an exterior surface for engaging the female threads of the respective inner cylindrical member to enable locking of a telescoping position of the inner cylindrical member and the outer cylindrical member.