IP Library › Granted Patent US 12,447,244
Granted Patent B1
US 12,447,244 · App. 18/972,900 · Granted Oct 21, 2025

Methods for a spray drying system

Inventors: Robert R. Andrews (Norfolk, MA); Herman E. Snyder (W. Lafayette, IN); William J. Merritt (Danvers, MA); Evan P. Ordway (Salem, MA); Clair Strohl (Emmaus, PA); Russell Barron (Melrose, MA); Kyle D. Erickson (Melrose, MA)
Assignee: Velico Medical, Inc.
A61M1/0272A61M2202/0415
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Quick Facts
Patent No.
US 12,447,244
App. No.
18/972,900
Granted
Oct 21, 2025
Kind
B1
Abstract

The present invention includes a spray drying disposable device for use in a spray drying system. The disposable has a spray drying head and a plasma drying chamber. The head has a spray dry nozzle assembly in fluid communication with the plasma source and the pressurized aerosol gas source. The pressurized gas flows in a vortex pattern that atomizes plasma droplets in the chamber. The head also includes a plenum has uniform air pressure of the drying gas. A baffle plate forms the floor of the plenum having drying gas jets that supply drying gas to the chamber. The atomized plasma droplets evaporate in the presence of the drying gas emitted from the jets to obtain dried plasma particles and humid air. A capture filter captures the dried plasma particles and allows the humid air to pass. The humid air passes through the gas outlet and the exhaust port.

Claims (47)

1. A method of spray drying a liquid plasma from one or more donors using a spray drying disposable device having a spray drying head and a drying chamber, for use in a spray drying apparatus having a drying gas source providing a drying gas, a plasma source providing a plasma and a pressurized aerosol gas source providing a pressurized aerosol gas;

wherein the method comprises steps of:

i) drying the plasma with the spray drying apparatus using the spray drying disposable device, wherein the spray drying disposable device comprises:

(1) the spray drying head, wherein the spray drying head comprises:

(a) a spray dry nozzle assembly in fluid communication with the plasma source and the pressurized aerosol gas source, wherein the pressurized aerosol gas flows in a vortex pattern, wherein, when in use, the pressurized aerosol gas atomizes the plasma entering the drying chamber to obtain atomized plasma droplets;

(2) the drying chamber, attached to the spray drying head, wherein atomized plasma droplets evaporate when in use and in contact with the drying gas emitted from the spray drying head, wherein, when in use, the drying chamber receives dried plasma particles and humid air;

(3) a capture filter, residing in the drying chamber, wherein, when in use, the capture filter captures the dried plasma particles and allows the humid air to pass; and

(4) a gas outlet, wherein said gas outlet is attached to an exhaust port of the spray drying apparatus during operation, wherein, when in use, the humid air flows through the gas outlet;

to thereby create spray dried plasma.

2. The method of spray drying a liquid plasma of claim 1 , wherein the liquid plasma is pretreated with a pretreatment solution.

3. The method of spray drying a liquid plasma of claim 2 , wherein the liquid plasma is pretreated by connecting a container having the liquid plasma with a pretreatment container having the pretreatment solution to thereby obtain formulated plasma in a formulated plasma container.

4. The method of spray drying a liquid plasma of claim 3 , connecting the formulated plasma container with the spray drying disposable device to thereby obtain a modified spray drying disposable device.

5. The method of spray drying a liquid plasma of claim 1 wherein the spray drying head further comprises a plenum having a drying gas inlet in communication with the drying gas source, wherein, when in use, the drying gas resides in the plenum with uniform air pressure, wherein the plenum supports the nozzle assembly.

6. The method of spray drying a liquid plasma of claim 5 wherein the spray drying head further comprises a baffle plate forming the floor of the plenum having one or more drying gas jet, wherein, when in use, the one or more drying gas jet provides drying gas to the drying chamber.

7. The method of claim 1 , further comprising steps of:

A) attaching the spray drying disposable device to the spray drying apparatus;

B) engaging the spray drying apparatus having the spray drying disposable device to dry the plasma;

wherein plasma is atomized at the spray dry nozzle assembly of the spray drying disposable device to create plasma droplets that are exposed to heated air to be dried in the drying chamber.

8. The method of claim 1 , wherein the spray drying disposable device further comprises a pressurized aerosol gas inlet and the method further comprises attaching the pressurized aerosol gas inlet to the pressurized aerosol gas source of the spray drying apparatus.

9. The method of claim 1 , further comprising a step of aligning the spray drying disposable device with the spray drying apparatus.

10. The method of claim 1 , further comprising a step of attaching the gas outlet of the spray drying disposable device to the exhaust port of the spray drying apparatus.

11. The method of claim 1 , the spray drying apparatus further comprises a door, and the method further comprises engaging the door of the spray drying apparatus to put the door into a locked position.

12. The method of claim 1 , the method further comprising the step of making a container having a unit of spray dried plasma from the spray drying disposable device having spray dried plasma.

13. A method of spray drying a liquid using a spray drying disposable device having a spray drying head and a drying chamber, for use in a spray drying apparatus having a drying gas source providing a drying gas, a liquid source providing the liquid and a pressurized aerosol gas source providing a pressurized aerosol gas; wherein the method comprises steps of:

i) drying the liquid with the spray drying apparatus using the spray drying disposable device, wherein the spray drying disposable device comprises:

(1) the spray drying head, wherein the spray drying head comprises:

(a) a spray dry nozzle assembly in fluid communication with the liquid source and the pressurized aerosol gas source, wherein the pressurized aerosol gas flows in a vortex pattern, wherein, when in use, the pressurized aerosol gas atomizes the liquid entering the drying chamber to obtain atomized liquid droplets;

(2) the drying chamber, attached to the spray drying head, wherein atomized liquid droplets evaporate when in use and in contact with the drying gas emitted from the spray drying head, wherein, when in use, the drying chamber receives dried liquid particles and humid air;

(3) a capture filter, residing in the drying chamber, wherein, when in use, the capture filter captures the dried particles and allows the humid air to pass; and

(4) a gas outlet, wherein said gas outlet is attached to an exhaust port of the spray drying apparatus during operation, wherein, when in use, the humid air flows through the gas outlet.

14. A method of preparing liquid plasma from one or more donors for spray drying in a spray drying system using a spray drying disposable device having a spray drying head and a plasma drying chamber, wherein the spray drying system has a drying gas source providing a drying gas, a plasma source providing a plasma and a pressurized aerosol gas source providing a pressurized aerosol gas;

wherein the spray drying disposable device, comprises:

A) the spray drying head comprises

i) a spray dry nozzle assembly in fluid communication with the plasma source and the pressurized aerosol gas source, wherein the pressurized aerosol gas flows in a vortex pattern, wherein, when in use, the pressurized aerosol gas atomizes the plasma entering the drying chamber to obtain atomized plasma droplets;

B) the drying chamber, attached to the spray drying head, wherein atomized plasma droplets evaporate when in use and in contact with the the drying gas emitted from the spray drying head, wherein, when in use, obtains dried plasma particles and humid air;

C) a capture filter, residing in the drying chamber, wherein, when in use, the capture filter captures the dried plasma particles and allows the humid air to pass; and

D) a gas outlet, wherein said gas outlet is attached to an exhaust port of the spray drying system during operation, wherein, when in use, the humid air flows through the gas outlet;

the method comprises the steps of:

i) obtaining the liquid plasma from the one or more donors to thereby obtain a liquid plasma unit; and

ii) combining the liquid plasma with a pretreatment solution in a pretreatment container, wherein the pretreatment solution comprises glycine in an amount ranging between about 50 μmole/mL of plasma and about 110 μmole/mL of plasma, and hydrochloric acid (HCl) in an amount ranging between about 10 μmole/mL of plasma and about 30 μmole/mL of plasma, to thereby obtain formulated plasma in a formulated plasma container.

15. The method of claim 14 , wherein the method further includes connecting the liquid plasma unit to a pretreatment container having the pretreatment solution.

16. The method of claim 15 , wherein the method of connecting the liquid plasma unit to the pretreatment container is a sterile connection.

17. The method of claim 14 , wherein the liquid plasma from the liquid plasma unit is transferred to the pretreatment container having the pretreatment solution to obtain the formulated plasma.

18. The method of claim 14 , wherein the method further comprises mixing the liquid plasma and the pretreatment solution to obtain the formulated plasma by inverting, rocking shaking or agitating the formulated plasma container one or more times.

19. The method of claim 14 , wherein the pretreatment container becomes the formulated plasma container when the liquid plasma is added to the pretreatment solution in the pretreatment container.

20. The method of claim 14 , further comprising connecting the container having the formulated plasma container to the spray drying disposable device to thereby create a modified spray drying disposable device.

21. The method of claim 20 , further comprising connecting the spray drying head of the modified spray drying disposable device such that the spray dry nozzle assembly is in fluid communication with the formulated plasma.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 7, 2024
From: SNYDER, HERMAN E.
To: PARSEC SOLUTIONS LLC
Reel/Frame 069517/0183 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 7, 2024
From: PARSEC SOLUTIONS LLC
To: VELICO MEDICAL, INC
Reel/Frame 069517/0191 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 7, 2024
From: ANDREWS, ROBERT R.; MERRITT, WILLIAM J.; ORDWAY, EVAN P; STROHL, CLAIR; BARRON, RUSSELL J.; ERICKSON, KYLE D.
To: VELICO MEDICAL, INC
Reel/Frame 069517/0195 →
Continuity (3)
Continuation 18747011 · Jun 18, 2024
Continuation 18496766 · Oct 27, 2023
Continuation 17945124 · Sep 15, 2022
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