Granted Patent B2

US 12,203,061 · App. 16/605,115 · Granted Jan 21, 2025

Inventors: Victor Jose (Bangalore, IN); Veena B N Rao (Bangalore, IN); Hanish Lakhani (Bangalore, IN)

Assignee: Cytiva Sweden AB

C12M23/14C12M23/28C12M41/02C12M41/12C12M41/26C12M41/32C12M41/34C12M41/40C12M41/46C12M41/48C12Q1/02H02J7/0063

Abstract

Claims (74)

1. A system comprising:

a sensing sub-system configured to be employed in a bioprocess environment, the sensing sub-system comprising:

one or more sensing units configured to measure at least one parameter of the bioprocess environment or to detect a correct connection of two connector units,

a portable battery power source electrically coupled to the one or more sensing units and configured to transmit an electrical power to the one or more sensing units, and

a switch configured to electrically couple or decouple the one or more sensing units from the power source; and

a control sub-system comprising a first controller configured to:

determine at least one power control parameter based on a user-input data and a sensing sub-system data, and

optimize consumption of the electrical power in the sensing sub-system, based on the power control parameter, wherein optimizing consumption of the electrical power in the sensing sub-system comprises:

a) calculating current consumption by the components in the sensing sub-system,

b) determining average current for the sensing sub-system;

c) computing total operation time of the sensing sub-system;

d) determining if a total operation time of the sensing sub-system is less than a time duration to complete a cycle of bioprocess operation; and,

i) changing the power control parameter if the total operation time of the sensing sub-system is less than the time duration to complete the cycle of bioprocess operation, or

ii) confirming that the power control parameter aid in optimizing the electrical power in the sensing sub-system if the total operation time of the sensing sub-system is greater than the time duration to complete the cycle of bioprocess operation,

wherein the sensing sub-system is wirelessly coupled to the control sub-system to wirelessly communicate the measured at least one parameter to the control sub-system.

2. The system of claim 1 , wherein the control sub-system is disposed external to the sensing sub-system, and the control sub-system further comprises a first transceiver electrically coupled to the first controller and configured to transmit the at least one power control parameter to the sensing sub-system; and wherein the sensing sub-system further comprises:

a second transceiver wirelessly coupled to the first transceiver and configured to receive the at least one power control parameter, and

a second controller electrically coupled to the second transceiver and configured to control the consumption of the electrical power based on the at least one power control parameter.

3. The system of claim 2 , wherein the second controller is electrically coupled to the switch and configured to:

generate a switching signal based on the at least one power control parameter; and

transmit the switching signal to the switch to control the electrical power transmission from the power source to the one or more sensing units.

4. The system of claim 3 , wherein the switching signal comprises a plurality of pulses having a duty cycle corresponding to the at least one power control parameter.

5. The system of claim 2 , wherein the second controller is electrically coupled to the second transceiver and configured to control a power level of a plurality of sensed signals transmitted from the one or more sensing units via the second transceiver, wherein the sensed signals represent the at least one measured parameter of the bioprocess environment.

6. The system of claim 1 , wherein the at least one power control parameter comprises a transmission power value, a switching time value, a connection interval, a handshake power value, number of data bytes, and a parameter update rate associated with the sensing sub-system.

7. The system of claim 1 , wherein the user-input data comprises data indicating at least one of time duration of operating the sensing sub-system, application of the sensing sub-system, and at least one desired parameter of a fluid in the bioprocess environment.

8. The system of claim 1 , wherein the sensing sub-system data comprises data indicating at least one of type of the sensing sub-system and power consumption of the sensing sub-system.

9. The system of claim 1 , wherein the sensing sub-system is a single-use device that is disposable after a cycle of bioprocess operation.

10. The system of claim 1 , wherein the at least one measured parameter of the bioprocess environment comprises pressure of a fluid in the bioprocess environment, electrical conductivity of the fluid, dissolved gas level in the fluid, temperature of the fluid, glucose flow in the fluid, a potential of hydrogen (pH) level in the fluid, a cell viability in the fluid, a flow rate of the fluid, and a level of foam in the fluid.

11. The system of claim 2 , wherein the first controller is configured to:

receive at least one of a power level in the power source and a transmission power value from the sensing sub-system,

change the at least one power control parameter based on the at least one of the power level in the power source and the transmission power value, and

transmit the at least one changed power control parameter to the second controller.

12. The system of claim 2 , wherein the second controller is configured to control the consumption of the electrical power based on the at least one changed power control parameter.

13. The system of claim 1 , wherein the sensing sub-system is coupled to a bioreactor comprising a flexible cell culture bag.

14. A method comprising:

powering, by a portable battery, a wireless sensing unit in a sensing sub-system configured to be employed in a bioprocess environment,

measuring, by sensing, at least one parameter of the bioprocess environment, or detecting by a pair of sensing units if two connector units have been correctly connected;

determining, by a first controller in a control sub-system, at least one power control parameter based on a user-input data and a sensing sub-system data wirelessly received from the wireless sensing unit; and

optimizing, by the first controller, consumption of the electrical power in the sensing sub-system based on the at least one power control parameter;

wherein optimizing consumption of the electrical power in the sensing sub-system comprises:

a) calculating current consumption by the components in the sensing sub-system,

b) determining average current for the sensing sub-system;

c) computing total operation time of the sensing sub-system;

d) determining if a total operation time of the sensing sub-system is less than a time duration to complete a cycle of bioprocess operation; and,

i) changing the power control parameter if the total operation time of the sensing sub-system is less than the time duration to complete the cycle of bioprocess operation, or

ii) confirming that the power control parameter aid in optimizing the electrical power in the sensing sub-system if the total operation time of the sensing sub-system is greater than the time duration to complete the cycle of bioprocess operation.

15. The method of claim 14 , further comprising:

wirelessly transmitting, by a first transceiver in the control sub-system, the at least one power control parameter to the sensing sub-system;

receiving, by a second transceiver in the sensing sub-system, the at least one power control parameter from the first transceiver; and

controlling, by a second controller in the sensing sub-system, the consumption of the electrical power based on the at least one power control parameter.

16. The method of claim 15 , wherein controlling, by the second controller in the sensing sub-system, the consumption of the electrical power comprises:

generating, by the second controller, a switching signal based on the at least one power control parameter; and

transmitting, by the second controller, the switching signal to the switch to control the electrical power transmission from the power source to the one or more sensing units.

17. The method of claim 16 , wherein the switching signal comprises a plurality of pulses having a duty cycle corresponding to the at least one power control parameter.

18. The method of claim 15 , wherein controlling, by the second controller in the sensing sub-system, the consumption of the electrical power comprises controlling, by the second controller, a power level of a plurality of sensed signals transmitted from the one or more sensing units via the second transceiver, wherein the sensed signals represent the at least one parameter of the bioprocess environment.

19. The method of claim 14 , wherein the power control parameter comprises a transmission power value, a switching time value, a connection interval, a handshake power value, number of data bytes, and a parameter update rate associated with the sensing sub-system.

20. The method of claim 14 , wherein the user-input data comprises data indicating at least one of time duration of operating the sensing sub-system, application of the sensing sub-system, and at least one desired parameter of fluid in the bioprocess environment.

21. The method of claim 14 , wherein the sensing sub-system is a single-use device that is disposable after a cycle of bioprocess operation.

22. The method of claim 14 , wherein the at least one measured parameter of the bioprocess environment comprises pressure of a fluid in the bioprocess environment, electrical conductivity of the fluid, dissolved gas level in the fluid, temperature of the fluid, glucose flow in the fluid, a potential of hydrogen (pH) level in the fluid, a cell viability in the fluid, a flow rate of the fluid, and a level of foam in the fluid.

23. The method of claim 14 , wherein the bioprocess environment comprises a bioreactor comprising a flexible cell culture bag.

24. A system comprising:

a plurality of wireless sensing sub-systems that are single-use and configured to be employed in a bioprocess environment, wherein each of the plurality of wireless sensing sub-systems comprises:

a sensing unit configured to measure at least one parameter of the bioprocess environment,

a portable battery power source electrically coupled to the sensing unit and configured to transmit an electrical power to the sensing unit, and

a switch configured to electrically couple or decouple the sensing unit from the power source; and

a control sub-system wirelessly coupled to the plurality of wireless sensing sub-systems to wirelessly receive a sensing sub-system data, wherein the control sub-system comprises a first controller configured to:

determine at least one power control parameter based on a user-input data and the sensing sub-system data of a corresponding wireless sensing sub-system, and

optimize consumption of the electrical power in the corresponding wireless sensing sub-system, based on the at least one power control parameter by:

a) calculating current consumption by the components in the sensing sub-system,

b) determining average current for the sensing sub-system;

c) computing total operation time of the sensing sub-system;

d) determining if a total operation time of the sensing sub-system is less than a time duration to complete a cycle of bioprocess operation; and,

i) changing the power control parameter if the total operation time of the sensing sub-system is less than the time duration to complete the cycle of bioprocess operation, or

ii) confirming that the power control parameter aid in optimizing the electrical power in the sensing sub-system if the total operation time of the sensing sub-system is greater than the time duration to complete the cycle of bioprocess operation.

Assignments (2)

Priority Claims (1)

Continuity (1)

References Cited (35)