[특허]Apparatus and method for forming thin-walled elastic components from an elastomeric material

Vision Sciences, Inc.

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Apparatus and method for forming thin-walled elastic components from an elastomeric material

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-001/00
미국특허분류(USC)	600/121; 600/920
출원번호	US-0930712 (2001-08-14)
발명자 / 주소	Ailinger, Robert Martone, Stephen
출원인 / 주소	Vision Sciences, Inc.
대리인 / 주소	Dorsey & Whitney, LLP
인용정보	피인용 횟수 : 16 인용 특허 : 29

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A thin-walled elastic sheath that can be stretched axially over an elongated imaging device to closely conform to the device and isolate the device from an external environment, and a method of forming such a sheath, are shown and described. The method includes the steps of heating at least a portion of a sheet of an elastomeric material to an elevated temperature to form a malleable heated portion of the sheet, pressing an elongated forming tool against the sheet at a location central with respect to the heated portion of the sheet, stretching the heated portion of the elastomeric material with the forming tool until an elastic conforming portion of the sheet is conformed to at least a portion of the length of the forming tool, and removing the forming tool from the conforming portion of the sheet to leave the thin-walled, elastic sheath having a wall thickness approximately equal to or less than 0.006 inches. 9, wherein the disease or condition is associated with myocardial infarction, cerebral infarction and/or partial denervation.17. The method of claim 9, wherein the vascular necrosis is associated with a silicone implant(s).18. The method of claim 1, further comprising using a treatment for a body lesion(s) associated with pain, partial denervation, bone fractures, bone unions, chronic wounds, chronic ulcers, edema and/or inflammation wherein the EMFs are applied for a period of time effective to promote the subject's responsiveness to the treatment and alleviate the body lesion(s). 19. The method of claim 18, wherein the subject has become resistant to an agent for treating the disorder or condition prior to applying the magnetic field.20. The method of claim 18, wherein the treatment is selected from the group consisting of pharmaceutical or surgical treatments.21. The method of claim 20, wherein the pharmaceutical and surgical treatments are selected from a group consisting of a saphenectomy, skin grafts, surgery, wound closure, stitching, bandaging, anti-hypertensive therapy, pharmaceutical composition administration, nursing care and body lesion clean up.22. The method of claim 20, wherein the pharmaceutical treatment comprises the administration of a composition comprising an agent selected from a group consisting of the administration of pain killers, anti-inflammatory agents, antibiotics, flavinoids, tissue plasminogen activator, aspirin, prostacyclin analogs, prostanoids, venotonic drugs, fibrinolytic and thrombolytic agents, B-blockers, angiotensin converting enzyme inhibitors, and edible diets.23. The method of claim 8, wherein the body lesions or diseases are accompanied by inadequate blood perfusion.24. The method of claim 1, wherein the subject is selected from a group consisting of humans and non-human animals.25. The method of claim 8, wherein the disease or condition is associated with underperfused myocardium.26. The method of claim 8, wherein the disease or condition is associated with diabetes.27. The method of claim 26, wherein the disease or condition is associated with a diabetic foot.28. The method of claim 8, wherein the disease or condition is associated with an ankle fracture.29. The method of claim 28, wherein the ankle fracture is accompanied by pain, edema, and/or bone fracture.30. The method of claim 8, wherein the disease or condition is associated with denervation or infection.31. The method of claim 8, wherein the disease or condition is associated with reduced brain circulation and/or reduced mental alertness.32. The method of claim 8, wherein the disease or condition is associated with devascularization.33. An apparatus for generating time-varying electromagnetic field having frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT, comprising a housing having interior and exterior surfaces, a face panel having an opening, and an elongated annular passage defined by the interior surface of the housing which extends longitudinally from the opening; and a magnetic coil disposed within the housing and around the elongated annular passage for generating a time-varying electromagnetic field of frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT in response to an electric current. 34. The apparatus of claim 33, wherein the housing is rectangularly shaped.35. The apparatus of claim 33, wherein the housing is shaped as a square and the opening is circular.36. The apparatus of claim 35, wherein the housing is made from a non-magnetic material.37. The apparatus of claim 36, wherein the non-magnetic material is selected from the group consisting of wood and plastic.38. The apparatus of claim 36, further comprising a timer and a control mechanism, both connected to an electronic panel, for varying and controlling the intensity and duration of the electromag netic field generated by the magnetic coil.39. An apparatus for simultaneously generating a time-varying electromagnetic field having frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT, comprising a housing with an elongated annular passage formed therethrough; and a magnetic coil disposed within the housing and around the elongated annular passage for generating a time-varying electromagnetic field of frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT in response to an electric current. 40. The apparatus of claim 39, wherein the housing is cylindrically shaped.41. The apparatus of claim 40, wherein the housing is sized to comfortably accommodate the limb of a patient.42. The apparatus of claim 41, wherein the housing is made from a light non-magnetic material.43. The apparatus of claim 42, wherein the non-magnetic material is selected from the group consisting of wood and plastic.44. The apparatus of claim 42, further comprising an adapter box including a pair of contacts connectable to a power source, a transformer, a rectifier bridge, and two cables extending from the adapter box to provide current to the magnetic roll of the apparatus.45. An apparatus for generating a time-varying electromagnetic field having frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT, and a static magnetic field of about 40 mT to about 80 mT, comprising a housing having interior and exterior surfaces, a face panel having an opening, and an elongated annular passage defined by the interior surface of the housing which extends longitudinally from the opening; a pair of opposed parallel magnetic members disposed within the housing and around the elongated annular passage for generating a static magnetic field; and a magnetic coil mounted interiorly of the magnetic members for generating a time-varying electromagnetic field of frequencies of about 2 &mgr;z to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT, and a static magnetic field of about 40 mT to about 80 mT in response to an electric current. 46. The apparatus of claim 45, wherein the housing is rectangularly shaped.47. The apparatus of claim 45, wherein the housing is shaped as a square and the opening is circular.48. The apparatus of claim 46, wherein the housing is made from a non-magnetic material.49. The apparatus of claim 48, wherein the non-magnetic material is selected from the group consisting of wood and plastic.50. The apparatus of claim 48, further comprising a timer and a control mechanism, both connected to an electronic panel, for varying and controlling the intensity and duration of the electromagnetic field generated by the magnetic coil.51. An apparatus for generating a time-varying electromagnetic field having frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 MT, and a static magnetic field of about 40 mT to about 80 mT, comprising a circular shaped housing having an interior diameter sized for permitting a human to lie therein; a pair of opposed parallel magnetic members for generating a static magnetic field mounted within the circular shaped housing; and a magnetic coil disposed within the circular shaped housing for generating a time-varying electromagnetic field of frequencies of about 2 &mgr;T to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT, and a static magnetic field of about 40 mT to about 80 mT in response to an electric current. 52. The apparatus of claim 51, wherein the housing is made from a non magnetic material.53. The apparatus of claim 52, wherein the non-magnetic material is selected from the group consisting of wood and plastic.54. The apparatus of claim 52, further comprising a timer and a control mechanism, both connected to an electronic panel, for varying and controlling the intensity and duration of the electromagnetic field generated by the magnetic coil.55. An apparatus for generating a time-varying electromagnetic field having frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT, comprising a circular shaped housing having an interior diameter sized for permitting a human to lie therein; and a magnetic coil disposed within the circular shaped housing for generating a time-varying electromagnetic field of frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT in response to an electric current. 56. The apparatus of claim 55, wherein the housing is made from a non-magnetic material.57. The apparatus of claim 56, wherein the non-magnetic material is selected from the group consisting of wood and plastic.58. The apparatus of claim 56, further comprising a timer and a control mechanism, both connected to an electronic panel, for varying and controlling the intensity and duration of the electromagnetic field generated by the magnetic coil.59. An apparatus for generating a time-varying electromagnetic field having frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT, comprising a housing having a pair of opposed sidewalls, the sidewalls spaced far enough apart for permitting a human to lie therebetween; and a pair of opposed parallel Hemholtz magnetic coils, each coil mounted in one of the opposed sidewalls for generating a time-varying electromagnetic field of frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT therebetween in response to an electric current. 60. The apparatus of claim 59, wherein the housing is made from a non-magnetic material.61. The apparatus of claim 60, wherein the non magnetic material is selected from the group consisting of wood and plastic.62. The apparatus of claim 60, further comprising a timer and a control mechanism, both connected to an electronic panel, for varying and controlling the intensity and duration of the electromagnetic field generated by the magnetic coil.63. An apparatus for generating a time-varying electromagnetic field having frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 mT, comprising a saddle-shaped housing; and a magnetic coil with its coils arranged in a saddle-shaped disposition such that the coil fits within the saddle-shaped housing for generating a time-varying electromagnetic field of frequencies of about 2 Hz to less than about 300 Hz and static magnetic field components from about 2 &mgr;T to about 0.8 WT in response to an electric current. 64. The apparatus of claim 63, wherein the housing is made from a nonmagnetic material.65. The apparatus of claim 64, wherein the non-magnetic material is selected from the group consisting of wood and plastic.66. The apparatus of claim 64, further comprising a timer and a control mechanism, both connected to an electronic panel, for varying and controlling the intensity and duration of the electromagnetic field generated by the magnetic coil.

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Apparatus and method for forming thin-walled elastic components from an elastomeric material

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Apparatus and method for forming thin-walled elastic components from an elastomeric material

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