Systems and methods for salvaging red blood cells for autotransfusion
AssigneeCyclone Medtech, Inc.
InventorLen Robinson
Life of this patent
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Abstract
Systems and methods for salvaging blood cells from an absorbent material are disclosed. In one exemplary aspect, such as system includes a rotatable basin having perforations to allow rinse solution from a stationary basin to reversibly flow therethrough to wash the blood cells from the absorbent material, thereby forming an effluent solution. The system further includes a hemoconcentrator in fluid communication with the stationary basin having first and second fluid outputs for discharging a diluent solution and a blood cell discharge solution from the effluent solution respectively. The blood cells can be salvaged from the blood cell discharge solution. The second fluid output is in fluid communication with the stationary basin for recycling the diluent solution as the rinse solution.
Claims28
An assembly for salvaging blood cells from an absorbent material, comprising:
- a first basin having perforations to allow a rinse solution to wash said blood cells from said absorbent material into a second basin to form an effluent solution;
- an elongate rotor having a first rotor portion fixedly attached to a center of mass of said first basin that defines an axis of rotation about which said first basin can axially rotate;
- and
- a hemoconcentrator in fluid communication with said second basin having first and second fluid outputs for discharging a diluent solution and a blood cell discharge solution from said effluent solution respectively;
- wherein said first fluid output is in fluid communication with said second basin for recycling said diluent solution as said rinse solution.
An assembly for salvaging blood for direct patient autotransfusion, comprising:
- a wash basin configured to retain a volume of blood-releasing rinse solution and house a portion of a perforated basin for receiving absorbent materials comprising said patient's blood;
- a hemoconcentrator assembly in fluid flow communication with said wash basin capable of substantially separating red blood cells of said patient's blood from said rinse solution to form a first red blood cell discharge solution comprising said red blood cells and a first diluent solution comprising said rinse solution, wherein said fluid flow between the wash basin and the hemoconcentrator assembly is engendered by a propeller operatively disposed within said wash basin;
- and
- a disinfection chamber in fluid flow communication with said hemoconcentrator configured to receive said red blood cell discharge solution, and comprising a light source capable of emitting an effective dose of electromagnetic radiation to substantially sterilize said red blood cell discharge solution.
An assembly for salvaging a patient's blood cells from a blood source, comprising:
- a rotatable, perforated basin for receiving blood from said blood source;
- an elongate rotor extending through, and coupled to a center of gravity of said rotatable perforated basin;
- a propeller coupled to a distal end of said rotor;
- a wash basin capable of receiving said propeller and at least a portion of said rotatable, perforated basin therein, wherein said wash basin is also configured to retain a volume of rinse solution, wherein said rinse solution is capable of forming an effluent solution comprising said blood cells in suspension;
- a housing for enclosing said wash basin, said propeller, and said perforated basin configured to receive a reversibly sealable lid member through which a proximal end of said rotor extends to couple to a motor or hand crank for spinning said propeller and said rotatable perforated basin;
- and
- a hydrocyclone-based particle separator in fluid-flow communication with said wash basin that is configured to separate said effluent solution into a red blood cell discharge solution comprising said red blood cells and a diluent solution comprising rinse solution;
- wherein said red blood cell discharge solution can be salvaged for autotransfusion;
- wherein said diluent solution is in fluid communication with said wash basin via one or more lumen passages to be re-used as said rinse solution;
- and wherein said propeller is capable of engendering said fluid flow.
Dependencies are inferred from the claim text.