Device for passively removing a target component from blood or lymph of a vertebrate subject
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-037/00
A61M-001/00
A61F-002/82
A61M-001/36
A61B-005/145
A61M-005/00
A61B-018/18
A61M-005/142
A61N-005/02
A61N-005/06
A61N-007/00
출원번호
US-0656964
(2012-10-22)
등록번호
US-9061094
(2015-06-23)
발명자
/ 주소
Hyde, Roderick A.
Ishikawa, Muriel Y.
Jung, Edward K. Y.
Langer, Robert
Leuthardt, Eric C.
Myhrvold, Nathan P.
Sweeney, Elizabeth A.
Wood, Jr., Lowell L.
출원인 / 주소
The Invention Science Fund I, LLC
인용정보
피인용 횟수 :
0인용 특허 :
70
초록▼
Devices, systems, and methods are described herein for controlling or modulating the levels of one or more target components in the blood and/or lymph of a vertebrate subject. Devices and systems are provided that include a body defining at least one lumen configured for fluid flow; at least one con
Devices, systems, and methods are described herein for controlling or modulating the levels of one or more target components in the blood and/or lymph of a vertebrate subject. Devices and systems are provided that include a body defining at least one lumen configured for fluid flow; at least one controllable flow barrier to fluid flow into the at least one lumen; at least one first reservoir disposed within the body and configured to include one or more bifunctional tags, wherein the one or more bifunctional tags are configured to selectively bind to one or more target components in one or more of blood fluid or lymph fluid of a vertebrate subject; at least one treatment region disposed within the at least one lumen; and at least one second reservoir disposed in the at least one treatment region and configured to include one or more reactive components, wherein the one or more reactive components are configured to sequester the one or more bifunctional tags when bound to the one or more target components.
대표청구항▼
1. A method for treating an inflammatory condition or inflammatory disease in a vertebrate subject comprising: providing an implantable device including a body defining at least one lumen configured for fluid flow; at least one first reservoir disposed within the at least one lumen and configured to
1. A method for treating an inflammatory condition or inflammatory disease in a vertebrate subject comprising: providing an implantable device including a body defining at least one lumen configured for fluid flow; at least one first reservoir disposed within the at least one lumen and configured to include one or more bifunctional tags, wherein the one or more bifunctional tags are configured to selectively bind to one or more target components in one or more of blood fluid or lymph fluid of a vertebrate subject; at least one treatment region disposed within the at least one lumen; and at least one second reservoir disposed in the at least one treatment region and configured to include one or more reactive components, wherein the one or more reactive components are configured to sequester the one or more bifunctional tags when bound to the one or more target components; further including providing one or more sensor configured to measure a physiological condition proximate to the device; wherein the one or more sensor is configured to target the device to a site having an elevated level of the one or more target components. 2. The method of claim 1, wherein the one or more reactive components has an increased affinity for the one or more bifunctional tags bound to the one or more target components compared to an affinity for the one or more bifunctional tags unbound to the one or more reactive components. 3. The method of claim 1, wherein the one or more reactive components is configured to modulate a physiological effect of the one or more target components. 4. The method of claim 1, wherein the one or more bifunctional tags are configured to enter a circulatory system of the mammalian subject at a site different from a site of the one or more reactive components. 5. The method of claim 1, wherein the one or more bifunctional tags includes one or more of a recognition element, recognition molecule, antibody, integrin, selectin, lectin, mimetic polymer, affibody, a label, or virus-like particle. 6. The method of claim 5, wherein the label includes one or more of a QDOT, a nanoparticle, a fluorescent molecule, a magnetic particle, a contrast agent, or a radioisotope. 7. The method of claim 5, wherein the one or more bifunctional tags includes one or more bifunctional antibodies. 8. The method of claim 7, wherein the one or more bifunctional antibodies binds to one or more of the target component and the reactive component. 9. The method of claim 1, wherein the one or more target components include one or more of circulating target cells or circulating target emboli. 10. The method of claim 9, wherein the one or more target components include cancer cells, pre-cancer cells, autoimmune-related cells, B cells, T cells, phagocytes, platelets, lipoproteins, parasites, viruses, bacteria, fungi, or infected cells. 11. The method of claim 9, wherein the one or more reactive components is configured to produce necrosis or apoptosis in one or more target cells. 12. The method of claim 1, wherein the one or more target components includes one or more of tumor cells, emboli, misfolded proteins, aggregated proteins, antibodies, autoimmune antibodies, infectious agents, or infected cells. 13. The method of claim 1, further including providing two or more parallel lumen configured to receive the one or more target components. 14. The method of claim 13, wherein a diameter of each of the two or more lumen is approximately less than two cell diameters. 15. The method of claim 13, wherein a diameter of each of the two or more lumen is approximately less than 10 μm. 16. The method of claim 1, wherein the one or more reactive components is configured to alter, arrest, or destroy the one or more target components. 17. The method of claim 1, wherein the one or more reactive components is configured to be placed relative to a tumor or an organ in the mammalian subject. 18. The method of claim 1, wherein the one or more reactive components includes one or more of an adhesion molecule, antibody, binding mimetic, polymer, lectin, integrin, or selectin. 19. The method of claim 1, wherein the one or more reactive components include one or more of a denaturing agent, degradative agent, or binding agent. 20. The method of claim 19, wherein the one or more reactive components include a cytotoxic agent, a cytostatic agent, a programmed cell death-inducing agent, a chemotherapeutic agent, or an antibody-toxin agent. 21. The method of claim 19, wherein the one or more binding agents include one or more of antibodies, receptors, or cognates configured to bind to one or more target components. 22. The method of claim 19, wherein the one or more binding agents include one or more of lectin, binding protein, catalytic antibody, catalytic aptamer, protease conjugate, or photoactivatable conjugate. 23. The method of claim 19, wherein the one second reservoirs include a matrix configured to present one or more reactive components. 24. The method of claim 1, further including providing one or more energy sources configured to supply energy to the at least one treatment region. 25. The method of claim 24, wherein the energy source is coupled to one or more sensor configured to selectively direct energy to the target component. 26. The method of claim 1, wherein the one or more sensor is configured to detect one or more of unbound bifunctional tags or bifunctional tags bound to target components in the one or more of blood fluid or lymph fluid of the vertebrate subject. 27. The method of claim 1, wherein the one or more sensor is configured to detect sequestration by the at least one reactive component. 28. The method of claim 1, further including providing a transmitter to report data from the one or more sensor. 29. The method of claim 1, wherein the one or more sensor is configured to report to an outside source or to a computing device. 30. The method of claim 1, wherein the one or more sensor is configured to function in, or proximal to, the one or more blood vessel or lymph vessel. 31. The method of claim 1, wherein the one or more sensor is external to the at least one lumen. 32. The method of claim 1, wherein the one or more sensor is internal to the at least one lumen. 33. The method of claim 1, further including providing at least one controller in communication with the one or more sensor. 34. The method of claim 33, further including providing at least one controllable flow barrier to fluid flow into the at least one lumen. 35. The method of claim 34, wherein the at least one controller in communication with the one or more sensor is configured to control the at least one controllable flow barrier to the at least one lumen. 36. The method of claim 35, wherein the one or more sensor is configured to detect the one or more bifunctional tags complexed with the one or more target components and is configured to communicate with the controller to divert flow of the one or more of blood fluid or lymph fluid to the at least one lumen of the device. 37. The method of claim 33, wherein the one or more sensor is configured to detect the one or more target components and configured to communicate with the at least one controller to release the one or more bifunctional tags in response to the one or more detected target components. 38. The method of claim 33, wherein the one or more sensor is configured to detect the one or more bifunctional tags complexed with the one or more target components and is configured to communicate with the controller to activate the one or more reactive components in response to the complex of the one or more bifunctional tags to the one or more target components. 39. The method of claim 33, wherein the one or more sensor and the at least one controller are configured to achieve a target level of the one or more target components in the vertebrate subject. 40. The method of claim 39, wherein the one or more sensor and the at least one controller are configured to control the at least one controllable flow barrier, to activate the one or more reactive components, to release the one or more bifunctional tags, or to activate one or more energy sources. 41. The method of claim 39, wherein the one or more sensor and the at least one controller are configured to control levels of the detected one or more target components to limit a deviation from the target level. 42. The method of claim 41, wherein the deviation is determined by a weighted least squares fit. 43. The method of claim 39, wherein the target level includes a desired concentration of the one or more target components in the one or more of blood fluid or lymph fluid. 44. The method of claim 39, wherein the target level includes a desired range of concentrations of the one or more target components in the one or more of blood fluid or lymph fluid. 45. The method of claim 39, wherein the target level includes a desired ratio of concentrations of two or more target components in the one or more of blood fluid or lymph fluid. 46. The method of claim 39, wherein the target level includes a desired ratio of levels of two or more target components in the one or more of blood fluid or lymph fluid. 47. The method of claim 33, wherein the at least one first reservoir configured to provide one or more bifunctional tags is responsive to the controller. 48. The method of claim 33, wherein the at least one second reservoir configured to provide one or more reactive components is responsive to the controller. 49. The method of claim 1, wherein the one or more reactive components are configured to attach to the at least one lumen. 50. The method of claim 1, wherein the one or more sensor includes a biosensor, chemical sensor, physical sensor, or optical sensor. 51. The method of claim 50, wherein the one or more sensor includes one or more target recognition elements. 52. The method of claim 1, wherein the one second reservoirs include a source for producing the one or more reactive components, the source including at least one reservoir and at least one producer.
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