US 9,693,892 B1Granted

Method of producing slush for surgical use through receptacle oscillation

AssigneeC Change Surgical LLC

InventorsPatrick Kammer, Kevin Joseph Rackers, Benjamin A. Perrot

Life of this patent

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Abstract

Methods and apparatus for producing saline slush for surgical applications. Producing surgical saline slush in a slush bottle that is a rigid or semi-rigid, high integrity, sturdy container that resists punctures and leaks to better maintain a sterile barrier and does not rely on having an external object placed in the fluid to mix the slush. Slush is agitated within the slush bottle. Slush bottle features are discussed which agitate and condition slush for use in medical procedures. The slush bottle may be rotated using a pair of rollers. A slush station may have one or more compartments for the production of slush and a basin shell for maintaining slush as slush in a basin. Specialized techniques for a vertical slush bottle are discussed.

Claims5

Dependent claims

A method for making sterile saline slush;

the method comprising:
placing an amount of sterile saline in a receptacle with a bottom wall and a cylindrical vertical wall, the bottom wall having an integral center feature with a set of ribs, the amount of sterile saline placed into the receptacle being insufficient to cover all of the cylindrical vertical wall;
oscillating the receptacle with back and forth in movements of less than one full revolution around a centerline axis of the receptacle while at least a portion of the bottom wall and the cylindrical vertical wall are exposed to air cooled below a freezing temperature for the sterile saline contained in the receptacle to form a slush/saline slurry, and
the oscillation of the receptacle causing an oscillation of the center feature with the set of ribs promoting movement of slush/saline slurry from the set of ribs radially outward towards the cylindrical vertical wall, up a portion of the cylindrical vertical wall, and then back towards the centerline axis of the receptacle.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 14/064,972Filed 28 Oct 2013 · continuation
Priority: 6 Jun 2008
Granted: 4 Jul 2017
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

A61F 7/12
Heating or cooling appliances for medical or therapeutic treatment of the human body: devices for heating or cooling internal body cavities
A61F 7/0085
Heating or cooling appliances for medical or therapeutic treatment of the human body: devices for generating hot or cold treatment fluids
B01F 23/809
After-treatment of the mixture: freezing the mixture
B01F 31/10
Mixers with shaking, oscillating, or vibrating mechanisms: with a mixing receptacle rotating alternately in opposite directions

Family

Application61/059,732Us provisional application · filed 6 Jun 2008
Application12/477,635Parent of this continuation-in-part · filed 3 Jun 2009
Application12/965,670Parent of this continuation · filed 10 Dec 2010
US 7,874,167 B2Parent of this continuation-in-part · filed 25 Jan 2011
Application12/965,670Parent of this continuation-in-part
US 2009/0301107 A1Published application
US 9,693,892 B1This patent

From the US filing history. Foreign family members aren’t listed.