Systems and methods for delivering biomaterials
Delivery systems and methods for forming and delivering biomaterials from two components are described herein. In particular, apparatus and methods for performing controlled delivery of multicomponent delivery of biomaterials into or onto a body part, such as a body lumen are described. More specifically, in some embodiments, the apparatus and methods are directed towards controlled delivery of micro-volumes of biomaterials into or onto a target location, the micro-volumes being defined as 0.001 mL-1 mL (or 1 μL-1,000 μL) of volume.
1. An apparatus, comprising:
a housing configured to receive at least a portion of a container assembly, the container assembly containing a first component and a second component, the first component being separate from the second component within the container assembly, the first component formulated to be crosslinked with the second component to form a hydrogel, the container assembly configured to be coupled to a connector;
a drive assembly including an electromechanical driver and a drive member, the electromechanical driver configured to produce a drive force to move the drive member, the drive member configured to be operatively coupled to the container assembly such that movement of the drive member causes a portion of the first component and a portion of the second component to be conveyed from the container assembly to the connector; and
an electronic control system including a sensor and a drive module,
the sensor configured to produce a feedback signal associated with at least one of a position of the drive member, a velocity of the drive member, an acceleration of the drive member, or the drive force; and
the drive module implemented in at least one of a memory or a processing device of the electronic control system, the drive module configured to receive the feedback signal and produce, based on the feedback signal, a drive signal to maintain the drive force below a drive force threshold.
2. The apparatus of claim 1 , wherein:
the container assembly includes at least one container containing at least one of the first component or the second component, the container including an elastomeric member to seal the first component or the second component within the container;
the drive member is configured to move the elastomeric member within the container to convey at least one of the portion of the first component or the portion of the second component to the connector;
the electromechanical driver is configured to produce a breakaway force for a first time period to initiate movement of the elastomeric member within the container, the drive force being produced for a second time period after the first time period; and
the drive module configured to produce the drive signal to maintain the velocity of the drive member within a predetermined velocity range during the second time period.
3. The apparatus of claim 2 , wherein the drive module is configured to produce a completion signal to remove power applied to the electromechanical driver.
4. The apparatus of claim 1 , wherein:
the sensor is a first sensor;
the feedback signal is a first feedback signal;
the drive force threshold is a first drive force threshold;
the electronic control system includes a second sensor configured to produce a second feedback signal indicating whether the connector is coupled to the container assembly; and
the drive module is configured to produce the drive signal to maintain the drive force below the first drive force threshold when the second feedback signal indicates that the connector is not coupled to the container assembly and below a second drive force threshold when the second feedback signal indicates that the connector is coupled to the container assembly.
5. The apparatus of claim 4 , further comprising:
the connector, the connector being any one of an adapter, a y-connector, or a connector of a delivery member.
6. The apparatus of claim 1 , wherein the drive module is configured to produce an error signal when the drive force exceeds the drive force threshold.
7. The apparatus of claim 6 , wherein:
the electronic control system includes an output device;
the error signal causes the output device to produce any one of a visual, audible, or tactile output; and
the error signal causes a reduction in power applied to the electromechanical driver.
8. The apparatus of claim 1 , wherein:
the container assembly includes at least one container containing at least one of the first component or the second component, the container including an elastomeric member to seal the first component or the second component within the container;
the drive member is configured to move the elastomeric member within the container to convey at least one of the portion of the first component or the portion of the second component to the connector;
the electromechanical driver is configured to produce a breakaway force for a first time period to initiate movement of the elastomeric member within the container, the drive force being produced for a second time period after the first time period; and
the drive module is configured to produce, based on the feedback signal, the drive signal to maintain the breakaway force below a breakaway force threshold and the drive force below the drive force threshold.
9. The apparatus of claim 1 , wherein:
the sensor is configured to measure at least one of a current or a voltage supplied to the electromechanical driver;
the drive module is configured to determine the drive force based on the current or the voltage supplied to the electromechanical driver; and
the drive module is configured to produce the drive signal to adjust the current or the voltage.
10. The apparatus of claim 1 , wherein the drive force threshold is between about 7 Newtons and about 12 Newtons.
11. An apparatus, comprising:
a housing configured to receive at least a portion of a container assembly, the container assembly including a first container containing a first component and a second container containing a second component, the first container and the second container configured to be coupled to a connector;
a drive assembly including a driver and a drive member, the driver configured to produce a drive force to move the drive member, the drive member configured to be operatively coupled to a first plunger and a second plunger such that movement of the drive member causes the first plunger to move within the first container to convey a portion of the first component from the first container and the second plunger to move within the second container to convey a portion of the second component from the second container; and
an electronic control system within the housing, the electronic control system including a first user input, a second user input, and a drive module, the drive module implemented in at least one of a memory or a processing device of the electronic control system, the drive module configured to produce a prime signal to cause the drive member to move a prime distance when the first user input is actuated, the drive module configured to produce an injection signal to cause the drive member to move an injection distance when the second user input is actuated, the injection distance associated with a predetermined delivered volume of the first component and the second component.
12. The apparatus of claim 11 , wherein:
the electronic control system includes an output device; and
the drive module is configured to produce an error signal on the condition that the second user input is actuated without the first user input having been actuated, the error signal causing the output device to produce any one of a visual, audible, or tactile output.
13. The apparatus of claim 12 , wherein the error signal disables the injection signal.
14. The apparatus of claim 11 , wherein:
the electronic control system includes a sensor and an output device, the sensor configured to produce a feedback signal indicating whether the connector is coupled to the container assembly; and
the drive module is configured to produce an error signal when the feedback signal indicates that the connector is not coupled to the container assembly, the error signal causing the output device to produce any one of a visual, audible, or tactile output.
15. The apparatus of claim 14 , wherein the error signal disables at least one of the prime signal or the injection signal.
16. The apparatus of claim 11 , wherein:
the prime signal is a first prime signal;
the prime distance is a first prime distance;
the drive module configured to produce the first prime signal to cause the drive member to move the first prime distance when the first user input is actuated at a first time; and
the drive module configured to produce a second prime signal to cause the drive member to move a second prime distance when the first user input is actuated at a second time, the second prime distance different from the first prime distance.
17. The apparatus of claim 11 , wherein:
the electronic control system includes a sensor configured to produce a feedback signal associated with at least one of a position of the drive member, a velocity of the drive member, an acceleration of the drive member, or the drive force; and
the drive module configured to receive the feedback signal and adjust, based on the feedback signal, the injection signal to maintain the velocity of the drive member within a predetermined velocity range.
18. The apparatus of claim 11 , wherein:
the electronic control system includes a sensor configured to produce a feedback signal associated with at least one of a position of the drive member, a velocity of the drive member, an acceleration of the drive member, or the drive force; and
the drive module configured to receive the feedback signal and adjust, based on the feedback signal, the injection signal to maintain the drive force below a drive force threshold.