The present invention generally relates to receiving bodily fluid through a device opening. In one aspect, the device includes a flow activator arranged to cause fluid to be released from a subject. A deployment actuator may actuate the flow activator in a deployment direction, which may in turn cau
The present invention generally relates to receiving bodily fluid through a device opening. In one aspect, the device includes a flow activator arranged to cause fluid to be released from a subject. A deployment actuator may actuate the flow activator in a deployment direction, which may in turn cause fluid release from a subject. The flow activator may also be moved in a retraction direction by a retraction actuator. In one aspect, the device may include a vacuum source that may help facilitate fluid flow into the opening of the device and/or may help facilitate fluid flow from the opening to a storage chamber. In one aspect, a device actuator may enable fluid communication between the opening and the vacuum source and the flow activator may be actuated after the enablement of fluid communication.
대표청구항▼
1. A device for receiving fluid from a subject, the device comprising: a housing;a device actuator;a fluid transporter including an opening and a flow activator, the flow activator being arranged to cause fluid to be released from the subject and the opening being arranged to receive fluid into the
1. A device for receiving fluid from a subject, the device comprising: a housing;a device actuator;a fluid transporter including an opening and a flow activator, the flow activator being arranged to cause fluid to be released from the subject and the opening being arranged to receive fluid into the housing;a deployment actuator including a bistable element coupled to the flow activator and arranged to move from a first stable state to a second stable state in response to actuation of the device actuator, wherein motion of the bistable element from the first stable state to the second stable state moves the flow activator in a deployment direction toward or through the opening, and wherein the bistable element is incapable of moving from the second stable state to the first stable state in the absence of an external force on the bistable element; anda retraction actuator constructed and arranged to move the flow activator in a retraction direction. 2. The device of claim 1, wherein the deployment actuator is attached to the retraction actuator. 3. The device of claim 2, wherein the deployment actuator and retraction actuator are connected via an effector body. 4. The device of claim 1, wherein the deployment actuator is reversibly moveable in the deployment and retraction directions. 5. The device of claim 1, wherein the deployment actuator has a concave portion facing the opening prior to movement in the deployment direction, and a convex portion facing the opening after movement in the deployment direction. 6. The device of claim 1, wherein the deployment actuator comprises a snap dome. 7. The device of claim 1, wherein the deployment actuator comprises a plurality of lobes. 8. The device of claim 1, wherein the deployment actuator, when actuated, moves in the deployment direction upon the application of a force to the deployment actuator of at least 0.1 N or at least 0.3 N. 9. The device of claim 1, wherein the deployment actuator comprises a polymer or a metal. 10. The device of claim 1, wherein the deployment actuator has a maximum dimension of no more than 4 cm. 11. The device of claim 1, wherein the deployment actuator, when actuated, moves in the deployment direction at an average speed of at least 1 cm/s, or at least 10 cm/s. 12. The device of claim 1, wherein the deployment actuator, when actuated, moves from a pre-deployment position to a post-deployment position in a period of time of less than about 0.002 seconds. 13. The device of claim 1, wherein the deployment actuator, when actuated, moves from a pre-deployment position to a post-deployment position at a peak acceleration of at least 100,000 meters/second. 14. The device of claim 1, wherein no portion of the deployment actuator moves more than about 5 mm when the deployment actuator, when actuated, moves in the deployment direction. 15. The device of claim 1, wherein the flow activator comprises one or more needles or microneedles. 16. The device of claim 1, wherein the flow activator is fixed to the deployment actuator. 17. The device of claim 16, wherein the flow activator is fixed to the deployment actuator via a transducing structure or membrane. 18. The device of claim 1, wherein the device actuator comprises a button or slider. 19. The device of claim 1, wherein when the device actuator comprises at least a first portion manipulatable by a user, and a second portion arranged to move the deployment actuator in the deployment direction. 20. The device of claim 1, wherein at least a portion of the device actuator is able to slide laterally over the deployment actuator to move the deployment actuator in the deployment direction. 21. The device of claim 1, wherein at least a portion of the device actuator is able to be forced downwardly into the deployment actuator to move the deployment actuator in the deployment direction. 22. The device of claim 1, further comprising a device actuator able to cause the retraction actuator to move in the retraction direction. 23. The device of claim 1, wherein the retraction actuator comprises a spring. 24. The device of claim 23, wherein the spring is in a relatively high-energy state before deployment and a relatively low-energy state after retraction. 25. The device of claim 1, wherein the retraction actuator comprises a coil spring or leaf spring. 26. The device of claim 1, wherein the retraction actuator comprises a multi-legged leaf spring. 27. The device of claim 1, wherein the retraction actuator comprises an elastic member. 28. The device of claim 1, wherein the retraction actuator moves the deployment actuator away from the opening in the retraction direction. 29. The device of claim 1, wherein no portion of the deployment actuator moves more than 10 mm when the retraction actuator moves in the retraction direction. 30. The device of claim 1, wherein the retraction actuator is locked in place after retraction. 31. The device of claim 1, wherein the deployment actuator is actuated by moving the retraction actuator in the retraction direction. 32. The device of claim 1, wherein the housing includes a base and a cover that enclose the deployment and retraction actuators, wherein a portion of the housing defines the opening. 33. The device of claim 32, wherein the housing defines a vacuum source arranged to cause flow of fluid from the opening into the housing. 34. The device of claim 33, further comprising a channel that creates a fluidic coupling between the vacuum source and the opening such that flow caused by the vacuum source is at least partially through the channel. 35. The device of claim 34, further comprising a storage chamber that has a fluidic coupling to the channel so that fluid in the channel enters the storage chamber. 36. The device of claim 33, further comprising a seal arranged to control flow between the vacuum source and the opening. 37. The device of claim 36, wherein a device actuator is arranged to act on the seal to enable flow between the vacuum source and the opening. 38. The device of claim 1, wherein the device includes an indicator to indicate receipt of fluid. 39. A device for receiving fluid from a subject, the device comprising: a device actuator;a housing including a flow activator and an opening, the flow activator being arranged to cause fluid to be released from the subject and the opening being arranged to receive fluid into the housing;a deployment actuator including a bistable element coupled to the flow activator and arranged to move from a first stable state to a second stable state in response to actuation of the device actuator, wherein motion of the bistable element from the first stable state to the second stable state moves the flow activator in a deployment direction toward or through the opening, and wherein the bistable element is incapable of moving from the second stable state to the first stable state in the absence of an external force on the bistable element; anda retraction actuator arranged to move the flow activator in a retraction direction,wherein the flow activator, the deployment actuator, and the retraction actuator are substantially concentrically aligned. 40. The device of claim 39, furthering comprising a spacer element located between the deployment actuator and the retraction actuator, the spacer element being concentrically aligned with the deployment actuator. 41. The device of claim 39, wherein the deployment actuator is coupled to the flow activator. 42. The device of claim 39, wherein the deployment actuator comprises a snap dome. 43. The device of claim 39, wherein the flow activator comprises one or more needles or microneedles.
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