EP3182952B1 - Modifizierung der feuchtigkeit von unbehaartem gewebe zur behandlung von migräne und anderen leiden - Google Patents

Modifizierung der feuchtigkeit von unbehaartem gewebe zur behandlung von migräne und anderen leiden Download PDF

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EP3182952B1
EP3182952B1 EP15834125.5A EP15834125A EP3182952B1 EP 3182952 B1 EP3182952 B1 EP 3182952B1 EP 15834125 A EP15834125 A EP 15834125A EP 3182952 B1 EP3182952 B1 EP 3182952B1
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Prior art keywords
chamber
air
patient
humidity
heat
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French (fr)
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EP3182952A4 (de
EP3182952A1 (de
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Mark L. Swyer
Iain Hueton
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Core Thermal Inc
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Core Thermal Inc
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H33/00—Bathing devices for special therapeutic or hygienic purposes
    • A61H33/06—Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H33/00—Bathing devices for special therapeutic or hygienic purposes
    • A61H33/06—Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths
    • A61H33/063—Heaters specifically designed therefor
    • A61H33/065—Heaters specifically designed therefor with steam generators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H35/00—Baths for specific parts of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H35/00—Baths for specific parts of the body
    • A61H35/006—Baths for specific parts of the body for the feet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H35/00—Baths for specific parts of the body
    • A61H35/008—Baths for specific parts of the body for the head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/06—Devices for heating or cooling such points within cell-life limits
    • A—HUMAN NECESSITIES
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    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/02—Characteristics of apparatus not provided for in the preceding codes heated or cooled
    • A61H2201/0207—Characteristics of apparatus not provided for in the preceding codes heated or cooled heated
    • A—HUMAN NECESSITIES
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    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/02—Characteristics of apparatus not provided for in the preceding codes heated or cooled
    • A61H2201/0214—Characteristics of apparatus not provided for in the preceding codes heated or cooled cooled
    • A—HUMAN NECESSITIES
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    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/02—Characteristics of apparatus not provided for in the preceding codes heated or cooled
    • A61H2201/0221—Mechanism for heating or cooling
    • A61H2201/0228—Mechanism for heating or cooling heated by an electric resistance element
    • A—HUMAN NECESSITIES
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    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/02—Characteristics of apparatus not provided for in the preceding codes heated or cooled
    • A61H2201/0221—Mechanism for heating or cooling
    • A61H2201/025—Mechanism for heating or cooling by direct air flow on the patient's body
    • A—HUMAN NECESSITIES
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    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/02—Characteristics of apparatus not provided for in the preceding codes heated or cooled
    • A61H2201/0221—Mechanism for heating or cooling
    • A61H2201/0285—Mechanism for heating or cooling with Peltier elements
    • A—HUMAN NECESSITIES
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    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
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    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1635—Hand or arm, e.g. handle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/164—Feet or leg, e.g. pedal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5007—Control means thereof computer controlled
    • A61H2201/501—Control means thereof computer controlled connected to external computer devices or networks
    • A61H2201/5015—Control means thereof computer controlled connected to external computer devices or networks using specific interfaces or standards, e.g. USB, serial, parallel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5023—Interfaces to the user
    • A61H2201/5043—Displays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5058—Sensors or detectors
    • A61H2201/5071—Pressure sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5058—Sensors or detectors
    • A61H2201/5082—Temperature sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5058—Sensors or detectors
    • A61H2201/5087—Flow rate sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5097—Control means thereof wireless
    • A—HUMAN NECESSITIES
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    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2230/00—Measuring physical parameters of the user
    • A61H2230/25—Blood flowrate, e.g. by Doppler effect
    • A61H2230/255—Blood flowrate, e.g. by Doppler effect used as a control parameter for the apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2230/00—Measuring physical parameters of the user
    • A61H2230/30—Blood pressure
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    • A—HUMAN NECESSITIES
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    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2230/00—Measuring physical parameters of the user
    • A61H2230/50—Temperature
    • A61H2230/505—Temperature used as a control parameter for the apparatus

Definitions

  • the application relates to systems for affecting glabrous skin, including controlling (including both high and low) humidity and/or convection, for example, and in some cases independently of temperature control.
  • Chronic medical conditions including chronic pain, headaches including migraines, trigeminal neuralgia, microvascular conditions such as diabetic nephropathy and retinopathy, inflammatory and autoimmune disorders, cancers, metabolic syndrome, diabetes mellitus, dyslipidemia, hypertension, obesity, coronary, cerebrovascular, and peripheral vascular disease, among others, contribute to significant morbidity and mortality.
  • First-line therapies including diet and exercise are often difficult to adhere to by patients. Taking medications also requires compliance, and medications can also have significant side effects and drug-drug interactions. Surgical procedures involving gastric restriction and/or gastric and intestinal malabsorption, for example, also can have significant risks and morbidity.
  • acute and chronic medical conditions causing pain also cause significant issues with patient well-being.
  • wound treatment system includes a vessel that is sized to receive a human limb.
  • the vessel includes a chamber with an opening leading into the chamber.
  • a removable liner lines the chamber of the vessel and forms a treatment zone.
  • a humidifier in fluid communication with the treatment zone humidifies a solution of water and antibacterial agent.
  • An oxygen source is in fluid communication with the treatment zone.
  • a speaker is coupled to the vessel and emits low frequency sound waves to the chamber.
  • a first array of light emitting diodes that emits ultraviolet light is coupled to the vessel near the opening of the treatment chamber.
  • a second array of light emitting diodes that emits pulsed light into the chamber is coupled to the chamber.
  • the system also includes a control panel.
  • US 2011/000484 A1 teaches a system and methods for applying vascular therapy to a body vessel using a chamber capable of negative and/or positive pressure relative to ambient are provided.
  • the chamber includes one or more pressure-isolated chambers.
  • a pressure and/or vacuum source is connected to the pressure chamber, and is configured to provide distinct pressures within each pressure-isolated chamber.
  • a controller is coupled to the pressure source, and is configured to control the pressure source such that pressure within each of the pressure-isolated chambers is controlled cyclically to simulate a pulsating pump or peristaltic-like pump action within the body vessel.
  • the use of negative pressure is sequenced such that the resistance to pressure toward the heart is reduced. This effectively "pulls" blood flow toward the heart and creates more space for incoming blood flow.
  • medical devices may be introduced to and/or diagnostics may be performed on the targeted vessel.
  • WO 2009/023750 A1 teaches a drug delivery system including a chamber, which is configured for enclosing or covering at least a surface of a patient, a source of a drug and a pressure source, which selectively pressurizes the chamber.
  • the system includes a controller for controlling the transfer of the drug to the chamber wherein the drug is administered to the surface of the patient under pressure.
  • US 2010/305497 A1 teaches a carbon dioxide external administration device (1) according to the present invention, comprises a sealing enclosure member (2) capable of sealing off a body surface of a human or an animal from the outside air; a supply unit (3) for supplying carbon dioxide to the inside of the sealing enclosure member (2); and a perspiration promoting means (4) for promoting perspiration at the body surface inside the sealing enclosure member (2).
  • the invention relates to a system for stimulating glabrous tissue of a patient as claimed in claim 1.
  • a system for stimulating glabrous tissue of a patient as claimed in claim 1.
  • disclosed are systems which enable the body to promote or inhibit heat loss, such as through glabrous tissue, without necessarily changing the temperature of the environment surrounding the patient or a selected portion of the patient. This can be accomplished by altering the humidity and/or promoting air circulation via convection, which in some cases together can have unexpectedly synergistic effects.
  • doing so can stimulate a host of beneficial metabolic pathways, such as, for example, blocking the release of pro-inflammatory hormones and cytokines including interleukins and tumor necrosis factor (TNF), improving insulin resistance, increasing or decreasing glucose uptake, stimulating or inhibiting adiponectin production, normalizing lipid metabolism, reducing vascular smooth muscle proliferation, causing vasodilation or vasoconstriction and blood pressure reduction or increases via nitric oxide and other mechanisms, triggering or inhibiting lipolysis such as via PPARG, and activating or inhibiting brown and/or white adipose tissue.
  • TNF tumor necrosis factor
  • levels of pro-inflammatory hormones and cytokines can decrease after therapy relative to prior to therapy by about or at least about 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 60%, 70%, 80%, 90%, or more.
  • this effect can be persistent, that is last even after the treatment has been discontinued, such as, for example, about or at least about 1, 2, 3, 4, 5, 6, or 7 days; 2, 3, or 4 weeks; 1, 2, 3, 4, 5, 6, 9, 12, 18, 24, 36, or more months after the treatment has been discontinued.
  • a system for stimulating glabrous tissue of a patient can include a housing surrounding an enclosed chamber.
  • the system can also include a humidifer configured to supply humidified air to the chamber sufficient to prevent or minimize heat loss from the glabrous tissue and keep the glabrous tissue humidity level the same as or substantially the same as that of the humidity level within the chamber.
  • the humidifed air can have a relative humidity of between about 90% and about 99%.
  • the system can also include a patient port operably connected to the chamber and configured to house a region of the skin surface of a patient comprising the glabrous tissue.
  • the patient port can be configured to reversibly create an air-tight seal upon isolation of the region of the skin surface with respect to an interior of the chamber.
  • the humidifier can be operably connected to the enclosed chamber via a conduit.
  • the system can also be configured to have a first state in which the humidifier delivers humidified air via the conduit to the interior of the chamber; and a second state in which the conduit is disconnected from the chamber and humidified air remains sealed within the interior of the chamber.
  • the system can also include a controller configured to adjust the relative humidity of the humidified air into the chamber, a sensor configured to detect the humidity within the chamber, and/or a display configured to provide information regarding the humidity within the chamber.
  • the system does not comprise a heating or cooling element to alter the temperature of the interior of the chamber.
  • the system can also be configured to prevent the removal of no more than about 0.1 kcal of heat from the glabrous tissue in a period of time that is, for example, less than about or about 1 hour.
  • the system can also be configured to alter cytokines, hormones, or other levels, such as adiponectin, interleukins, or TNF, for example, such as at least about 5% after about 1 hour relative to the pre-treatment levels of the patient.
  • the controller can be configured to adjust the relative humidity based upon receiving information from a sensor conveying physiologic information about the patient.
  • the system can also be configured to be utilized partially or exclusively at atmospheric pressure, or apply a positive pressure to the interior of the chamber of, for example, between about 127 kPa (1.25 atm) and about 253 kPa (2.5 atm).
  • the system can also include an oxygenator.
  • a chamber within the system can be configured to isolate glabrous tissue of, for example, the hand (e.g., in the shape of a glove or a mitt), the foot (in the shape of a platform or a shoe), the forehead (e.g., similar to goggles or other headgear), the sternum, and the like.
  • a device which enables the body to promote or inhibit heat loss.
  • the device can be configured to affect the glabrous tissues, including that of the palms and soles, forehead, and/or sternum for example. These glabrous tissues are unique in the human body. Glabrous tissues provide body surface access directly to the hypothalamus, which is the body's thermal control center.
  • hypothalamus including the suprachiasmatic nucleus (SCN), paraventricular nucleus (PVN), medial preoptic nucleus, and/or the lateral hypothalamus (LH)
  • SCN suprachiasmatic nucleus
  • PVN paraventricular nucleus
  • LH medial preoptic nucleus
  • LH lateral hypothalamus
  • Numerous cytokines, including IL-1, IL-6, and TNF-alpha are also secreted in the hypothalamus.
  • Glabrous tissues generally have a surface without hairs or projections. According to the invention, modifying the body's heat loss can be accomplished without changing or substantially changing the temperature of the environment, e.g., the air surrounding the selected tissue of the patient to be affected.
  • devices can modify heat loss for the body core and directly alters the core body temperature.
  • the altered core body temperature has been shown to have beneficial effects in the health of human beings.
  • the device affects humidity and/or convection of the air surrounding the glabrous tissue without necessarily changing air temperature, which can lead to beneficial physiologic effects.
  • Glabrous tissue including palms, soles, and forehead contain high numbers of arteriovenous shunts or anastomoses (AVSs).
  • AVSs arteriovenous shunts or anastomoses
  • a theory is that this large flow of blood through glabrous tissue steals blood from skeletal muscle tissue. This steal effect can lead to decreased perfusion in muscle tissue, resulting in a switch to anaerobic metabolism in muscle tissue, and a rise in lactic acid production. This triggers pain and fatigue in skeletal muscle tissues.
  • the lactic acid increases over time and causes persistent pain. This can also send signals to the central nervous system, resulting in sensitization and chronic pain syndrome.
  • the inflammatory cytokines including TNF (including TNF-alpha), IL-2, IL-6, and restins, among others tend to be predominant in this response.
  • migraine headache There are over 40 million people in United States who suffer from migraine headaches. Of this group, 4-6 million suffer from frequent migraine and chronic migraine. Frequent migraine headache is defined as 7-14 days with headaches per month and chronic is defined as 15 or more days per month. Current medications to treat prevention of migraine are only partially effective and they all have side effects. A fairly significant portion of the chronic headache market is made up of women between ages 18 and 45. They often want to avoid using medication as they are of childbearing and breastfeeding years. Another large segment of the migraine prevention market is made up of adolescents and children. They are not fully counted in the population estimates as they are often undiagnosed. Those that are counted are estimated at approximately 10% including boys ages 8-12 and girls ages 10-14. Of this group approximately 10-20% have either frequent or chronic migraines.
  • migraine patients may be disposed via genetic and/or environmental factors to abnormally high and rapid heat loss through glabrous tissue following, for example, physical and/or mental stresses.
  • This heat loss can stimulate the hypothalamus, which through the sympathetic nervous system stimulates white and/or brown adipose tissue to compensate with lipolysis and rapid release of adipocytokines.
  • pro-inflammatory cytokines such as TNF trigger pain, nausea, and vomiting; leptin triggers pain and loss of appetite; the leukotrienes trigger white blood cells and mast cells to release histamines and other mediators cause eye-tearing redness, rhinorrhea, and photophobia.
  • Adiponectin e.g., high molecular weight adiponectin
  • Adiponectin can also trigger nitric oxide to release from arteries and/or arterioles causing vasodilation, a pounding sensation, and further pain and activation of white blood cells and other pro-inflammatory cells. These effects can last from 4 hours to 72 hours or more. This also explains the cortical spreading depression (CSD) phenomenon as the cytokines release as a wave of hormonal impact. Aura is possibly the initial wave beginning from back to front according to the CSD theory and affects the optic nerve and visual cortex first.
  • CSD cortical spreading depression
  • the device can include a housing which has a reversibly sealable opening for glabrous tissue, including hand, palm, and forehead tissue, and/or tissue in the feet
  • the system can increase air flow into the housing, via positive pressure This would increase atmospheric pressure within the housing and to the exposed glabrous tissue to about or at least about 127, 152, 177, 203, 228, 253, 279, 304 kPa (1.25, 1.5, 1.75, 2, 2.25, 2.5, 2.75, 3 atm), or more times normal, or between about 127 kPa (1.25 atm) and about 253 kPa (2.5 atm), or between about 152 kPa (1.5 atm) and about 203 kPa (2 atm).
  • the system can be configured to allow for negative pressure, or avoid negative pressure within the chamber.
  • the system lacks any pressure control feature, and is utilized exclusively at atmospheric pressure (101 kPa (1 atm) at sea level).
  • devices can be configured to flow humidified air into the housing, such as about, or at least about 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99%, or about 100% or a range between about any two of the aforementioned percentages, such as between about 50% and about 95%, or between about 75% and 95%, between about 75% and 90%, between about 90% and about 100%, between about 90% and about 99%, between about 92% and about 98%, or between about 94% and about 98% for example.
  • the device is configured such that the relative humidity is high but set to less than a point in which condensation would form on the exposed glabrous tissue (e.g., the dew point), which could in some cases undesirably cause heat loss from the body.
  • the humidity is relatively high, but less than about, for example, 100%, 99%, 98%, 97%, 96%, or 95%.
  • the relatively high humidity can be sensed by the glabrous nerve fibers which are operably connected to the hypothalamus, which senses retention of heat and zero or minimal loss of water vapor from the tissue, and may stimulate vasoconstriction of the AVSs via mechanisms including the sympathetic nervous system. Blood remains inside the AVS and they may constrict and allow no further loss of heat. This allows greater flow of blood to the skeletal muscles and reverses lactic acid build up.
  • the hypothalamus sensing the high humidity as no heat loss can send signals via the autonomic nervous system to white and/or brown adipose tissue to stimulate lipogenesis and/or inhibit lipolysis, which reduces heat production as well as reduces release of adipokinins, as well as downregulation of pro-inflammatory cytokines including but not limited to IL-1, IL-2, IL-6, IL-8, and TNF.
  • the end result is less pain, fatigue, and/or inflammation.
  • migraine patients may also be overproducing TNF and other adipocytokines due to a genetic or other abnormality, predisposing them to oversecreting TNF during or after physical and/or mental stresses, increasing the need to block secretion of TNF and other adipocytokines by downregulating hypothalamic stimulation for heat production if the glabrous tissue is signaling a loss of heat.
  • Minimizing any humidity gradient between the glabrous tissue and the interior of the chamber as such advantageously allows for the glabrous tissue to signal the hypothalamus that there is no or minimal heat loss, and as such preventing or minimizing TNF and other adipocytokines release as noted above.
  • systems as disclosed herein can treat or prevent a variety of autoimmune disorders, including but not limited to inflammatory bowel disease (such as Crohn's disease or ulcerative colitis), arthritis, systemic lupus erythematosis, rheumatoid arthritis, psoriatic arthritis, osteoarthritis, Still's disease, juvenile arthritis, diabetes, myasthenia gravis, Hashimoto's thyroiditis, Ord's thyroiditis, Graves' disease, Sjögren's syndrome, multiple sclerosis, Guillain-Barré syndrome, acute disseminated encephalomyelitis, Addison's disease, opsoclonus-myoclonus syndrome, ankylosing spondylitis, antiphospholipid antibody syndrome, aplastic anemia, autoimmune hepatitis, coeliac disease, Goodpasture's syndrome, idiopathic thrombocytopenic purpura, optic neuritis, scleroderma, primary biliary
  • systems can be utilized to treat or prevent heteroimmune condition or disease, e.g., graft versus host disease, transplantation, transfusion, anaphylaxis, allergy, type I hypersensitivity, allergic conjunctivitis, allergic rhinitis, or atopic dermatitis.
  • heteroimmune condition or disease e.g., graft versus host disease, transplantation, transfusion, anaphylaxis, allergy, type I hypersensitivity, allergic conjunctivitis, allergic rhinitis, or atopic dermatitis.
  • systems can be utilized to treat or prevent an inflammatory disease, e.g., asthma, appendicitis, blepharitis, bronchiolitis, bronchitis, bursitis, cervicitis, cholangitis, cholecystitis, colitis, conjunctivitis, cystitis, dacryoadenitis, dermatitis, dermatomyositis, encephalitis, endocarditis, endometritis, enteritis, enterocolitis, epicondylitis, epididymitis, fasciitis, fibrositis, gastritis, gastroenteritis, hepatitis, hidradenitis suppurativa, laryngitis, mastitis, meningitis, myelitis myocarditis, myositis, nephritis, oophoritis, orchitis, osteitis, otitis, pancreatiti
  • systems can be utilized to slow the progression of, stabilize, or reverse diabetic nephropathy and/or retinopathy (e.g., delay the onset of dialysis for a patient with stage IV chronic kidney disease by at least about 3, 6, 9, 12, 15, 18, 24 months, or more).
  • systems can be utilized to treat or prevent cancer, including cancer including but not limited to solid and soft tumors, such as esophageal carcinoma, renal cancer, breast cancer, thyroid, spleen, uterus, kidney, colorectal, lung, prostate, testicles, gastric, cervical, bone, skin, brain, head & neck, bladder, head and neck, liver, pancreas, melanoma, osteosarcoma, fibrosarcoma, rhabdomyosarcoma, teratocarcinoma, neuroblastoma, glioma, glioblastoma and hematological malignancies such as acute lymphocytic leukemia, chronic lymphocytic leukemia, acute myelogenous leukemia, chronic myelogenous leukemia, multiple myeloma, Hodgkin's lymphoma and Non-Hodgkin's lymphoma, and wherein the cancer is invasive or metastatic.
  • solid and soft tumors such
  • Systems as disclosed herein can be used in a variety of acute, subacute, and chronic pain syndromes for either therapy or prophylaxis, including headaches such as migraines, cluster headaches, tension headaches, trigeminal autonomic cephalalgias, and chronic daily headaches for example.
  • Conditions that can also be prevented or treated include fibromyalgia, complex regional pain syndrome, irritable bowel syndrome, myofascial pain, atypical chest pain, cancer pain, osteoarthritis pain; pain from inflammatory autoimmune disorders including rheumatoid arthritis, dermatomyositis, and systemic lupus erythematosus; muscle sprains and strains, neuropathic pain, herniated discs, spinal stenosis, and others.
  • the chronic CNS/brain sensitization can also be caused by decreased blood flow to the brain tissue. Again, not to be limited by theory the glabrous AVSs can cause a steal syndrome and shunt blood flow from the brain.
  • Embodiments of systems can also reverse this sensitization effect over time, resulting in persistence of a therapeutic effect even after the treatment has been discontinued, such as, for example, about or at least about 1, 2, 3, 4, 5, 6, or 7 days; 2, 3, or 4 weeks; 1, 2, 3, 4, 5, 6, 9, 12, 18, 24, 36, or more months after the treatment has been discontinued.
  • This persistence effect could in some embodiments be related to the hypothalamus's plasticity and adapting to high humidity effects on glabrous tissue giving a specific signal of no or minimal heat loss to the hypothalamus, which in turn may lead to increased tolerance of further heat loss through the glabrous tissue even following therapy; the hypothalamus does not stimulate lipolysis as readily, and as such a remission in symptomatology can occur even following cessation of therapy.
  • the intensity, duration, quality, and/or frequency of symptoms, such as pain episodes can be reduced using systems and methods disclosed herein.
  • the number and or amount of ancillary therapies needed to treat the patient's condition e.g., a lower dose of pain medication
  • systems and methods as disclosed herein can improve a patient's Migraine Disability Assessment Test (MIDAS) score (Lipton et al.) by 1, 2, or 3 grades, or by at least about 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 points or more.
  • MIDAS Migraine Disability Assessment Test
  • the device can be utilized at room temperature, or can be configured to control temperature (e.g., via an HVAC system) such that the glabrous tissue is exposed to room temperature, such as between about 20°C (68°F) and about 26°C (79°F), or about 21°C (70°F) in some embodiments.
  • control temperature e.g., via an HVAC system
  • room temperature such as between about 20°C (68°F) and about 26°C (79°F), or about 21°C (70°F) in some embodiments.
  • use at room temperature advantageously allows for greater patient comfort and the ability to tolerate therapy for long periods of time.
  • the device can be utilized at about 15.5°C, 16°C, 16.7°C, 17.2°C, 17.8°C, 18.3°C, 18.9°C, 19.4°C, 20°C, 20.6°C, 21.1°C, 21.7°C, 22.2°C, 22.8°C, 23.3°C, 23.9°C, 24.4°C, 25°C, 25.6°C, 26.1°C, or 26.7°C (60 °F, 61 °F, 62 °F, 63 °F, 64 °F, 65 °F, 66 °F, 67 °F, 68 °F, 69 °F, 70 °F, 71 °F, 72 °F, 73 °F, 74 °F, 75 °F, 76 °F, 77 °F, 78 °F, 79 °F, or 80°F) or any ranges including two of the aforementioned temperature values.
  • the reduced core temperature directly impacts the hypothalamus; which is the body's center for many physiologic effects.
  • hypothalamus senses changes in the peripheral body tissues, it triggers hormones which will warm the core body organs. When temperature is reduced, these hormones up-regulate metabolism to increase body heat.
  • the devices can remove body heat .This feeds back to the hypothalamus, which increases body heat, which in some cases can lead to a virtuous cycle of enhanced metabolism.
  • BAT Brown Adipose Tissue
  • the BAT cells are unique in turning off ATP production when body heating is required.
  • the BAT cells contain UCP1, which is an uncoupling protein. This protein stops ATP production. These proteins uncouple the ATP process called oxidative phosphorylation and ATP production is diverted to heat production.
  • the BAT cells break down fatty acids in this process. This breakdown process is called lipolysis.
  • the BAT cells again, are unique cells breaking down fatty acids and creating heat.
  • the generated heat is transmitted thru the blood stream to our device; at the glabrous tissue.
  • Glabrous tissue is highly vascularized in the form of arterial-venous-anastomoses (AVAs).
  • AVAs arterial-venous-anastomoses
  • Heat loss will vary based on how many BAT cells are present in each individual. The greater the residual stores of BAT, the greater the amount of heat loss and calorie loss. BAT cells are most prominently in human infants. BAT deposits are located around sternal tissue, interscapular tissue, and paracervical tissue. The quantity of BAT recedes as one ages. Most adults have small amounts of residual BAT. These deposits recede further with obesity. Adults in thermogenesis studies have been PET-scanned and BAT deposits have clearly been identified.
  • CBAT Constitutive BAT
  • rBAT rBAT
  • WAT white adipose tissue
  • rBAT recruitable BAT
  • rBAT is found in WAT and skeletal muscle.
  • rBAT is found as inherited congenital BAT at interscapular and peristernal areas.
  • Adiponectin (also referred to as GBP-28, apM1, AdipoQ, and Acrp30) is the most plentiful hormone in the human body. It is secreted by, for example, visceral WAT. This hormone is one of many hormones or adipocytokines secreted by WAT and/or BAT. Adipocytokines include adiponectin, leptin, resistin, visfatin, adipsin, and the like. Leptin, resistin, and tumor necrosis factor-alpha (TNF- ⁇ ) production is increased in hypertrophic fat cells, which are less sensitive to insulin. Fatty tissue has been found to be a very metabolic tissue. The adiponectin levels have increased by cold exposure.
  • Adiponectin increases insulin sensitivity. It decreases blood pressure by release of nitric oxide (NO). NO increases arterial dilatation. Adiponectin also reduces proliferation of smooth muscle cells in systemic arteries and arterioles. The reduction of smooth muscle cells in arteries reduces cholesterol adherence to arteries. This reduces atherosclerotic burden in vessels. In some embodiments, systems and methods herein can increase or decrease adiponectin levels, upregulate or downregulate adiponectin receptors, and/or increase or decrease receptor sensitivity to adiponectin, among other effects.
  • NO nitric oxide
  • Adiponectin also increases insulin receptor sensitivity, such as in peripheral tissues. Glucose is more readily taken up by muscle cells reducing diabetes and pre-diabetes. Patients with Type-2 diabetes, obesity, and smokers reduce levels of adiponectin. lean body mass and lower alcohol levels have higher levels of adiponectin. Glucocorticoids and adrenergic stimulators also reduce adiponectin levels.
  • the circulating level of adiponectin at 3 ⁇ g/ml to 30 ⁇ g/ml or 5 ⁇ g/ml to 10 ⁇ g/ml can be the highest concentration of all body hormones, and sometimes about 1,000 times greater than insulin.
  • Adiponectin typically has a half-life in the body of minutes to hours, such as about 1-3 hours, such as about 75 minutes or about 2.5 hours, and is primarily cleared by the liver.
  • Adiponectin structurally belongs to the complement 1q family and is known to form a characteristic homomultimer. Human adiponectin is present in high (HMW), middle (MMW) and low (LMW) molecular forms that correspond to a multimer, hexamer and trimer.
  • Adiponectin circulates in human plasma mainly as a 180-kDa middle molecular weight (MMW) hexamer and a high molecular weight (HMW) multimer of approximately 360 kDa.
  • MMW middle molecular weight
  • HMW high molecular weight
  • a proteolytic cleavage product of adiponectin known as globular adiponectin (gAd)
  • gAd globular adiponectin
  • the therapeutic effect of systems and methods disclosed herein can increase adiponectin levels to about or at least about 10, 15, 20, 25, 30, 35, 40, 45, 50 ⁇ g/ml or more, or decrease adiponectin levels to about or no more than about 5, 4, 3, 2.5, 2, 1.5, 1, or less ⁇ g/ml.
  • systems envelope glabrous skin enabling or inhibiting heat extraction from the body. This can remove heat from the body at a temperature where shivering does not occur. Systems can activate or inhibit WAT and BAT cells in some users.
  • systems include material that envelopes one or more hands and/or feet, the sternum, or the forehead glabrous.
  • the cover creates a seal around the wrists and ankles, for example, to create a vacuum which will induce increased or decreased blood flow to the area.
  • Fluid gas or liquid
  • the fluid can be continuously cooled or heated by an exchange system that is channeled through the coverings.
  • systems can be automated to account for ambient temperature, user's location, and/or user's sleep cycle.
  • the user would use a device over an extended period of time, such as, for example, about or at least about 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, or more hours a day.
  • the device would be used during sleep.
  • the apparatus can be applied to the forehead, for example, to reduce fever or otherwise decrease or increase body temperature.
  • the devices can include, for example, an enclosed chamber which surrounds or contacts selected anatomical locations of the body with controlled-humidity air (e.g., glabrous tissue of the hand, feet, and/or forehead); and an air delivery system that can produce and deliver air of the required humidity to the appropriate body surface.
  • the selected anatomical locations are isolated via the chamber from the rest of the body.
  • These 2 components can be combined/integrated within a single enclosure, and the appropriate body part can be inserted in the enclosure or pressed against the appropriate opening to deliver the humidity-controlled air to the skin.
  • these 2 components can be separated physically, but connected by a conduit such as a hose or tube to allow the humidified air to move from the humidity generator to the enclosure designed for that body part.
  • Systems as disclosed herein can advantageously be used in some examples to isolate an anatomical location and alter the humidity at that anatomical location for purposes other than wound healing, e.g., in some cases isolating within the chamber an anatomical location having completely intact skin, without wounds, for a systemic rather than local treatment effect.
  • FIG 1A schematically illustrates a high humidity chamber therapy system which includes a small housing 7 that is positioned on the edge of the palm of a patient's hand.
  • This housing 7 can have a quick-release connection 5, e.g., proximally to accept an inlet tube from a humidifier that delivers the humidified air, and one or more ports 8 for the humidified air to flow into the enclosure mitt 4.
  • the distal portion of the enclosure mitt 4 can be curved as shown, and have an increased width compared with the proximal portion.
  • the enclosure mitt 7 does not include separate discrete finger compartments as illustrated to promote better humidified air circulation, however in other embodiments the housing can include discrete finger compartments akin to a glove.
  • the housing 7 can contain status indicators (such as an LCD, LED, or other display) 6 to indicate factors such as treatment time elapsed, treatment time, remaining, and the current humidity level (either numerically and/or graphically), temperature, pressure, and/or other parameters within or outside of the housing.
  • a humidity sensor 12 can be located in or on the housing 7 to sample the air within the enclosure chamber 4, which can be mitt-shaped as shown. The sensor 12 or other sensors can also measure temperature and other parameters in some embodiments, and/or be in wired or wireless communication with the status indicator 6, and/or a controller to keep the humidity level at a desired level or within a range.
  • the housing 7 can also include a control such as a button or dial to allow for the humidity setting to be adjusted.
  • the user's hand can fit completely inside the enclosure mitt 4 as shown.
  • the chamber is sized such that the user's hand above the MCP joints does not contact a sidewall of the mitt, such that the fit is not too snug.
  • Separate LED indicators 14, 15 can be used instead of a display
  • a bracelet 1 which can be curved as illustrated can contain a gasket or seal 2 and made of foam or other appropriate material that conforms to the wrist and ensures that humid air stays inside the mitt.
  • An additional strap 3 can be used to retain the housing and mitt in the correct position.
  • an enclosure that mounts in the palm of the hand and has a strap that wraps around the back of the hand to hold it in place.
  • the device can also include a visual, auditory, tactile, or other alarm, e.g., to indicate a malfunction or when the therapy session is complete.
  • the enclosure mitt 4 or other chamber (or other anatomical embodiments, such as foot or forehead embodiments described elsewhere herein) is configured to seal the selected glabrous tissue from the outside environment can advantageously be portable even when the air delivery/humidity-modifying element is located external to the enclosure mitt 4 or other chamber.
  • gas e.g., air or other gas
  • gas of the desired humidity level is flowed through a conduit into the chamber from the humidifier.
  • gas flow can be discontinued by detaching the conduit from the chamber via the quick-release mechanism, which can have a sealing element to keep the gas of the appropriate humidity from escaping the chamber (e.g., via a one-way valve or other mechanism).
  • Air flow into the chamber ceases, and the user can then freely move untethered from the humidity-control element, advantageously reducing the weight and bulk of the device, and the humidity level can persist by virtue of the airtight seal.
  • a visual, auditory, tactile, or other alarm can signal the user to temporarily reconnect the chamber back to the conduit and "recharge" the air within the chamber back to the desired humidity or humidity range.
  • FIG. 1B schematically illustrates a high humidity chamber therapy system which includes a housing 9 that can be configured to rest directly on the floor.
  • the housing 9 can include a humidity generator 20 and a fluid (e.g., water) reservoir 21 that can be refilled by the user.
  • the humid air exits the ports 8 and into the humidification chamber located directly under the foot. This chamber is sealed against the foot with a compliant gasket 2.
  • the humidity sensor 12 controls the humidity level by signaling the controller to turn on the humidifier 20 when the level drops below a preset level.
  • the device can be powered by AC 10 or by a DC or USB source 11 such as a battery for example to allow portability.
  • a status display and control panel 6 can be located on the enclosure as shown.
  • FIG. 1C The view from the bottom of the foot, illustrated in Figure 1C shows that the gasket 2 encloses a portion of the sole of the foot.
  • the foot can be completely enclosed within an airtight enclosure, and sealed, such as around the ankle.
  • the sole of the foot would be accessible as long as the foot is resting on the ball and heel of the foot.
  • FIGS 1D-1E schematically illustrates a high humidity chamber therapy system that can resemble a headlamp or a pair of ski goggles in terms of how it is retained on the forehead by an adjustable strap system 16.
  • the enclosure 17 can also have a compliant gasket 2 that would reversibly seal against the forehead (e.g., with an airtight seal) and surround, such as completely surround the forehead glabrous, leaving all or the majority of the forehead exposed to the interior of the enclosure.
  • the enclosure is configured such that it does not cover or substantially cover the hairline of the scalp, and the eyes, the ears, and/or the brow region.
  • the humidity sensor 12 can be located so that its active area is within the humidified volume.
  • a battery 13 can be mounted inside the enclosure to support the sensor 12 and electronics during normal operation. This battery could be recharged through a DC or USB port 11. Alternatively, a removable battery could be recharged externally (e.g., wirelessly) or replaced.
  • a quick-release connector 5 with a one-way valve or other sealing mechanism can deliver the humidified air to the enclosure (and can include in some embodiments detachability features where the chamber can be disconnected from the humidify-modifying chamber during use as mentioned above), and an audio or visual indicator 14/15 can indicate when the appropriate humidity level has been reached. These same indicators can confirm that the treatment time has elapsed, or that the humidity level has dropped sufficiently to require a recharge.
  • Figure 1E shows a side view of Figure 1D .
  • the forehead enclosure 17 can be modified for use with low humidity embodiments as described elsewhere herein, including a dehumidifier and/or a convection fan.
  • Humidity can be generated in several ways, including by boiling water to produce steam, a cool mist humidifier, a vaporizer, or by the use of an ultrasonic nebulizer for example.
  • Systems as disclosed herein can use these or any other humidity source to deliver humid air, either from a separate enclosure, or from within a self-contained unit that contacts the body directly.
  • Figure 1F illustrates an embodiment of a humidifier that can be utilized with glabrous tissue enclosures described elsewhere herein.
  • a separate enclosure 24 can contain the components necessary to generate humid air and confirm system status.
  • a humidity generator 20 and a fluid reservoir 21 can supply the humid air through a tube via quick-connect fitting 5. The fluid reservoir can be refilled through an appropriate opening 22.
  • a display panel 6 can show system status, and allow the user to confirm operations performed with the control buttons 23. Additional status lights 19 or audio signals can be used to keep the user updated.
  • AC power 10 or DC power via a standard jack or USB cable 11 would allow the system to be portable and powered by a non-AC source.
  • Figure 1G illustrates an embodiment where heat is removed or prevented from being removed from the glabrous skin target areas of palms 102, soles 104 and face 106.
  • Thermal end effectors 108 (the element at the terminus of the functional circuit) contact the target zones 102, 104, 106 on the patient 100 and act to remove thermal power (heat/time) from the patient 100.
  • the heat removal device 112 may either be worn by the user or remote from the user (e.g., under the bed) and acts to move the heat 110 from the target cooling zones 102, 104, 106 of the end effectors 108 and expel it to the room.
  • a control system 114 can optionally monitor patient characteristics to modulate thermal power 110 removal from the patient.
  • the modes of heat release e.g., cooling can include:
  • a vacuum of, for example, about 10 kPa (0.10 atm) to about 51 kPa (0.50 atm) to selected glabrous skin in order to encourage blood perfusion into the target zones.
  • the heat removal device would not consider patient data to modulate or modify its control settings. It can still be configured to control some internal measurement variable such as the temperature of the end effectors, amount of power output or rate of energy removed. However, it may not use patient characteristics directly to modulate the output.
  • the closed loop system would employ the information from patient sensors to modulate the heat removal (or heat removal prevention in some high humidity embodiments) operations.
  • Possible non-limiting characteristics for measurement include one, two, or more of the following:
  • an open or closed loop system can be clinically advantageous.
  • the open loop system in some examples, can incorporate some user control of intensity and be a less expensive implementation.
  • the systems herein can decrease systolic, diastolic, or mean arterial pressure by about or at least about 5, 10, 15, 20, 25, 30, or more mm Hg measured an hour, 2 hours, 3 hours, 4 hours, 6 hours, 12 hours, 18 hours, 24 hours, 2 days, 3 days, 1 week, 2 weeks, 1 month, or more after treatment.
  • the glabrous skin locations at the upper and/or lower extremities offer a variety of advantageous connection options for the end effector.
  • the hand or foot may be fully enclosed by a flexible, rigid, or semi-rigid housing 116, the fingers or toes may be allowed to be located outside of the vacuum housing 118 (for comfort or other reasons) while the palm of the hand remains within the vacuum housing 118 or the effector may be localized over a given patch 120 of skin with a perimeter seal.
  • a soft elastomeric seal is anticipated as well as a rigid or semi-rigid outer housing to resist the vacuum forces and allow increased perfusion in the treated skin.
  • Ports into and out of the end effectors can help create a dry and comfortable environment with the effector.
  • Effectors can, in some embodiments contain inner media that touches the skin and helps support the effector housing such that a soft housing does not collapse to the skin under vacuum.
  • FIG 3 shows schematically one embodiment for a forced air convection system.
  • the end effector may take the form of, for example, any of the embodiments shown in Figure 2 , although the patch 120 over the palmar glabrous tissue 102 is shown here.
  • air such as cool air is introduced into a dead-end tube that may include small perforations (holes) 124 along its length.
  • the cool air is allowed to exit these holes 124 and enter the chamber 128 between the rigid or semi-rigid housing 126 (covering) and the skin 102.
  • the chamber could incorporate one or more sensors 150 as described elsewhere herein.
  • the perforations 124 would be sized and located such that the cool air was encouraged to accelerate and flow over the skin 102. As it passes in close proximity to the skin 102, the air picks up heat through a process of convection. The air is subsequently drawn into similar perforations on a similar dead-end tube that acts as the outlet 128. The warm air now travels down the outlet tube 128. Either or both of the inlet 122 and outlet 128 tubes can incorporate insulation between the end effector 120 and the heat removal device to minimize parasitic heat transfer with respect to the environment. As the air enters the heat removal device 130 it encounters one or more sensors 132 for temperature, pressure, flow, and/or humidity. In some examples, a mass flow sensor based on thermal transfer can be used, such as those from Honeywell (Morristown, NJ), e.g., the Honeywell AWM43300V microbridge mass airflow sensor).
  • sensors 132 can report mass flow directly without requiring knowledge of pressure.
  • the mass flow sensor 132 would report both the flow and the air temperature.
  • Some examples of mass flow sensors that can be used or modified for use with embodiments herein include those from TSI Inc. (Shoreview, MN).
  • the flow sensor 132 would be based on a pressure differential across a known constriction 134 or resistance to air flow.
  • the air flow would be estimated from the differences in pressure between the outlet and inlet.
  • the flow would be estimated from the speed of the pump driving the airflow.
  • the flow would be estimated by a paddle wheel sensor.
  • the cross-sectional area of the flow path can be varied to make best use of the sensors 132.
  • the air flow into the system can first pass through the flow sensor 132 with a cross-sectional flow area equal to or smaller than the return tube itself. This can be preferred in some cases because it maintains a high particle velocity and thus gives a larger signal to the flow sensor 132. Once exiting the flow sensor 132 the air would enter a flow region of a much larger cross section thus slowing the particle velocity for relative humidity measurements which typically have much slower time constants.
  • the location of the temperature and pressure sensor could also be selectively positioned to make best use of their range and response time.
  • the pump 136 itself may be of the rotary vane, wobble pump, piston, gear pump, diaphragm pump, peristaltic pump, centrifugal fan, axial fan variety or other mechanical pumping means.
  • the pump 136 adds work to the air, increasing its pressure such that the pressure at the outlet is the highest pressure within the system and acts to drive the flow of air through the patient circuit.
  • the heat exchanger 138 may accommodate heat transfer from the air to another working fluid such as air or water. This working fluid would then be cooled by other means such as evaporative cooling, connection with a refrigeration cycle 140 (vapor-compression, Stirling, etc.) or thermo-electric cooling (Peltier, etc.).
  • the heat exchanger 138 may accommodate transfer of heat convectively from the air and conduct it directly into the expansion chamber of a vapor-compression refrigeration cycle 140, the heat absorption zone of a Stirling engine, the cold side of a thermo-electric cooler, a chemical cooling bath, an ice bath and/or, simply to ambient room air convectively (external fan).
  • this cooling process is performed downstream from the pump 136 such that it acts as an intentional pressure drop thus lowering the pressure at the end effector 120 without the need for additional flow restriction.
  • an additional dryer stage 144 can be incorporated downstream of the chiller stage 138.
  • This stage 144 may include a desiccant bed using adsorbent materials such as silica gel, activated charcoal, calcium chloride or zeolite, for example.
  • the desiccant can be periodically changed by the user.
  • the desiccant can be recharged by heating the bed after the treatment cycle.
  • the dryer 144 can incorporate multiple beds and valves to implement a pressure swing adsorption drying process.
  • the pressure may not be low enough to ensure the appropriate negative pressures within the end effectors 120.
  • An intentional restriction 134 may need to be placed in the flow path to lower the pressure of the outlet air. In some embodiments, this is done prior to the outlet sensor array 146 to minimize the pressure difference between the outlet and inlet sensor arrays. It may be possible to eliminate either the outlet 146 or inlet 132 pressure sensors in this case.
  • the outlet sensor array 146 can be identical to the inlet sensor array 132 with the preferential order reversed in some cases.
  • the air first reaches the humidity sensor within a larger cross-sectional area then reaches the flow and temperature sensors in the smaller cross-sectional flow area.
  • an additional user-controlled restriction may be incorporated to allow convenient control of the vacuum level.
  • a shut-off valve or valve that opens to ambient can be incorporated here to allow the user to turn the vacuum off for easy removal of the end effector 120.
  • a programmable controller device 148 such as a microcontroller circuit is configured to monitor the signals from the inlet 132 and outlet 146 sensor arrays and optionally any patient characteristic sensors.
  • the controller 148 also may monitor and control the function of the pump 136, chiller 138, dryer 144, and restriction 134 (if it is an active valve such as a proportional valve). This allows the controller 148 to monitor the status of the system and modulate settings to maintain a desired target such as heat lift from the patient.
  • the sensors and controller do not exist and the system is purely an open loop device.
  • the patient or operator may adjust some flow controls such as knobs to achieve the desired operating conditions.
  • controller 148 uses the sensor information to calculate the enthalpy of the incoming air (high) and the outgoing air (how). The difference in enthalpy values gives an estimate for the heat removed from patient. Some details of how this is done can be found at http://www.engineeringtoolbox.com/enthapy-moist-air-d_683.html.
  • the factors here including the combination of flow, temperature, pressure and humidity sensing at both inlet and outlet allow for an accurate calculation.
  • the latent heat of vaporization from evaporation of perspiration can be a significant cooling factor.
  • Some examples may optionally incorporate an additional cooling mist or spray onto the skin which is then evaporated by the dry inlet air to the end effector.
  • FIG. 4 illustrates an example in which there can be a plurality of vacuum chambers 152 separated by a soft or rigid seal within an end effector.
  • These chambers 152 may be plumbed with their own inlet 154 and outlet 156 lines, which may be perforated tubes as previously described. Alternatively, they may share a common inlet line or a common outlet line.
  • the separate chambers 152 in cooperation with electronically, pneumatically or mechanically actuated valves within the heat removal device, allow the vacuum pressure within each chamber 152 to be altered somewhat independently from the others. This pressure cycling results in a corresponding cycling of the local vasodilation resulting in a flushing effect and improved refreshing of the blood flow within the AVA.
  • Figure 5 illustrates an example of perforated tubes within a given chamber.
  • the cool air enters the inlet 162, exits small holes 158, enters the chamber 160 and picks up heat from the skin, then is drawn into the outlet 164 tube by the negative pressure.
  • Heat transfer may in some cases preferentially be enhanced by a non-cylindrical cross-section, measures to keep the tubes close to the skin, and number and size of the tubes themselves.
  • Figure 6 illustrates another example for forced convection.
  • the cool air enters the chamber 172 via an inlet 166 opposite the skin 174. It is separated by a porous barrier 170 separating the portion of the chamber 172 close to the skin 174 from the portion opposite.
  • the wall of the chamber 172 is formed by a housing 176 which can be rigid in some cases.
  • a seal 178 can be created with the skin surface 174.
  • One or more air outlets 168 draw air away from the side of the chamber 172 closest to the skin 174.
  • the cool air picks up heat from the patient and carries it away from the chamber 172.
  • the porous barrier 170 could be a metal mesh.
  • the pores are restrictive enough that the velocity of the air is increased dramatically upon exiting the pores (nozzle effect).
  • the porous barrier 170 is very close to the skin such that the high velocity air impinges on the skin surface 174.
  • the barrier 170 can form a larger inlet chamber volume to allow the cool air to evenly distribute throughout the upper chamber.
  • the porous barrier 170 is formed by a layer of open cell foam 180 in contact with the skin.
  • the barrier 170 is a semi-permeable mesh or cloth glove or sock within a rigid or semi-rigid outer glove or boot.
  • the barrier 170 incorporates pores in a nonuniform (gradient) pattern to compensate for pressure differentials throughout the flow path. This gradient pattern leads to a more uniform cooling pattern in some cases.
  • Figure 7 illustrates a schematic of one concept for forcing a liquid coolant over the skin of a hand 188.
  • Liquids such as water and glycol have much higher specific heats than air and therefore can carry away far more heat for the same flow.
  • the cool liquid enters the end effector 182 inlet 184 and exits the end effector outlet 186 carrying heat away.
  • the warm liquid enters the heat removal device 190 and encounters a flow, temperature and pressure sensor 192. This pressure sensor is used to ensure the chamber is maintained at negative pressure relative to ambient.
  • the liquid passes through appropriate filtration 194, a pump 196, and enters a reservoir 198. It may be chilled 200, e.g., via refrigeration loop 204 in the reservoir 198 or immediately thereafter. It passes through another sensor array (not shown in the image) before heading back toward the end effector 182.
  • the cooling media may be saline, water, gel or other suitable liquid.
  • thermally-conductive interface In some examples disclosed is a thermally-conductive interface.
  • the thermally-conductive interface concept can be similar to that described in Figure 7 above but instead of air contacting the skin, a conductive material contacts the skin.
  • This material may be a highly conductive metal or it may be a very thin material of lower conductivity (thin film). Heat is removed from the skin through direct conductivity. Heat is removed from the conductive material via any number of ways.
  • Example mechanisms for removal of heat from conductive materials include:
  • the human body accomplishes significant cooling via radiation in the infrared band to surroundings at room temperature.
  • FIG. 8 illustrates an example that leverages this heat loss mechanism.
  • An inner chamber 206 is established with a slightly negative pressure generated via vacuum 216 relative to ambient. In this case, there is no need for constant flow of air or liquid; therefore the vacuum generation needs are much less.
  • the rigid housing 208 forms a cool target with high emissivity, and includes a seal region 212 that can be as previously described.
  • the inside of the housing 208 may be painted or textured or both to increase the emissivity.
  • the housing 208 can in some cases be thermally conductive to aid in distributing the cool temperatures.
  • Heat 218 is extracted from all or a portion of the housing 208 by a cooling block 210.
  • the cooling block 210 may extract this heat in a number of ways.
  • Non-limiting examples of mechanisms for the cooling block 210 to remove heat from the housing 208 are:
  • the chamber is not hollow but filled with an IR transmissive foam or elastomeric material (ex. Polyethylene foam). This allows the IR energy 220 to pass through but also provides some support between the skin and housing. This may allow the housing 208 to be semi-rigid rather than rigid.
  • radiant heat transfer is a primary form of heat loss. Utilizing radiant heat loss is useful because the system's heat sink need not be in contact with the skin. Therefore, the heat sink can have a lower enthalpy than that of convective and or conductive mediums.
  • Kirchov's Law of thermal radiation notes that heat transfers well between near field bodies when the radiant body has a high emissivity. Absorbing bodies collect radiation if they have a high absorption rate. Emissivity and absorption rates are nearly identical for most mediums. Skin has an emissivity rate of .97 out of 1 and is a near perfect thermal radiator.
  • Figure 9 schematically illustrates radiant thermal zones illustrating a modeled Hybrid thermal transfer heat sink to remove heat from Zone A below the epidermis, into the skin (epidermal layer) in Zone B. This is done naturally by the body if the Temperature of the skin T a is colder than body temp, or T a .
  • Zone C could be air or reduced humidity air.
  • Zone D would have a high coefficient of thermal absorption ( ⁇ ⁇ 1).
  • the heat sink in Zone D could then have a heat exchanger that would pump heat out of component D and into an internal or external cooler. It is well known that coolers emit heat. Heat from the cooler then could be routed away from the body.
  • a secondary heating loop could be monitored and regulated for temperature and pressure. This loop could be restricted and/or valved, mixed with ambient air, and fed back into zone C to help regulate skin temperature and hypothalamus sensation if a control system is used to increase skin and/or core temperature to aid with comfort and/or avoidance of arrector pili muscle engagement and/or shivering.
  • the secondary loop can be intermittent, constant, and/or cycled.
  • the secondary loop can include sensors and/or a fan to induce convection.
  • Zone C could include a low absorption air barrier such that the return (warm air) does not cool Zone D.
  • the secondary loop air circuit can include a means to dehumidify the air prior to entering Zone C.
  • the secondary loop could be used to wick away perspiration.
  • the secondary loop could also have a valve that can redirect all of the heat away from the body. The valve could be electronically or mechanically actuated to adjust secondary heating temperature. Vacuum could be created in Zone C by establishing vacuum on the exiting air while physically confining Zone C. Alternately, static vacuum cups with low ⁇ absorption coefficients could be used to hold vacuum.
  • the primary heat transfer mechanism will be radiant heat loss to Zone D. Heat gain and/or loss will present in the form of convection to the air in Zone C.
  • Zone C could contain a porous or open support structure that could be either flexible or stiff, to ensure that Zone D does not touch the skin in Zone B.
  • Figure 10 illustrates a system and method for treating a patient, including a device 1000 including a chamber 1002 configured to preferentially control one or more environmental factors, such as, for example, the humidity, atmospheric pressure, and/or temperature of the air surrounding selected glabrous tissue 1004 of a patient (e.g., one or more hands and/or feet of the patient), while not affecting the humidity and/or temperature of the air surrounding the rest 1108 of the patient.
  • glabrous tissue such as the hand 1004 of a patient can be inserted through port 1010 that can be made of plastic, rubber, latex, or other appropriate material, or as illustrated, for example, in connection with Figures 1A-1F above.
  • the material of the port 1010 can create an air-tight or semi air-tight seal to maintain a gradient, such as a humidity and/or temperature gradient between the interior and the exterior of the chamber 1002.
  • a rubber band or other feature (not shown) can help to create the seal.
  • a convection elements such as fan 1016 configured to direct air toward the glabrous tissue 1004 within the interior of the chamber 1002.
  • a conduit 1014 to a power supply 1012 which can be connected to a power outlet, such as AC power, a battery, or other energy source to power one or more components of the device 1000.
  • the battery can be rechargeable which may be advantageous for portable devices 1000.
  • a factor control element such as gas compressor 1018 having an inlet 1024 into the interior of the chamber 1002.
  • the compressor 1018 can be configured to deliver a gas, such as air, nitrogen, oxygen, helium, or a combination thereof for example with a specified humidity into the interior of the chamber.
  • the compressor can be an oxygenator such as an oxygen nebulizer that provides dehumidified or humidified air or oxygen into the chamber at a predetermined flow rate.
  • an oxygenator is not required and the compressor can simply alter the humidity of room air.
  • the flow rate of air having a preselected humidity can be about, at least about, or no more than about 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 15, 20, 25, 30, 40, 50, or more or less liters per minute.
  • the compressor can have a separate power supply 1020 via conduit 1022 as illustrated, or utilize a common power supply 1012 with the fan 1016 and/or other components.
  • Also illustrates is one or more outlets 1026 which can allow the passive escape of gas from the interior of the chamber 1002.
  • the outlet 1026 can include a valve or other feature to control the escape of gas from the interior of the chamber 1002.
  • the device 1000 can also include one or more sensors configured to measure humidity, temperature, pressure, and/or other parameters (not shown) in which adjustments to humidity, convection, and other parameters can be made in real time.
  • patients can be sensitive to humidity, irrespective of a change in temperature because the human body uses evaporative cooling, enabled by perspiration, as the primary mechanism to rid itself of waste heat. Perspiration evaporates from the skin more slowly under humid conditions than under arid conditions. Humans perceive a low rate of heat transfer from the body to be equivalent to a higher air temperature. In some examples, exposing selected glabrous tissue to relatively lower humidity environments can be perceived physiologically by the patient via nerves in the glabrous tissue as a relatively high rate of heat transfer/loss, and thus increase the body's metabolism through hypothalamic and other mechanisms disclosed elsewhere herein to generate heat and compensate for the increased heat loss.
  • patients can also be sensitive to convection (e.g., by the use of one or more fans) without a heating or cooling stimulus per se.
  • Convection such as wind
  • Convection can alter the perceived temperature (either being greater or less than the actual temperature) by a patient without actually altering the actual temperature.
  • a solid surface loses heat through evaporation, conduction, and radiation. The rate of conduction depends on the difference in temperature between the surface and its surroundings. As conduction from a warm surface heats the air around it, an insulating boundary layer of warm air forms against the surface. Moving air disrupts this boundary layer, or epiclimate, allowing for cooler air to replace the warm air against the surface. The faster the wind speed, the more readily the surface cools.
  • a convection fan as well as a dehumidifier without changing the temperature surrounding the target region of the patient can be synergistic leading to unexpected results in improving, for example, metabolic syndrome, diabetes mellitus, dyslipidemia, hypertension, atherosclerosis, and/or other conditions as disclosed herein.
  • the convection fan generates a flow of air to the target region, e.g., glabrous tissue of a patient, that is about, less than about, or more than about 500 m 3 /h, 400 m 3 /h, 300 m 3 /h, 250 m 3 /h, 225 m 3 /h, 200 m 3 /h, 175 m 3 /h, or 150 m 3 /h.
  • the convection fan is configured to generate a wind speed to the target region that is about or at least about 5mph, 10mph, 15mph, 20mph, 25mph, 30mph, 35mph, 40mph (8.05, 16.1, 24.1, 32.2, 40.2, 48.3, 56.3, 64.4 km/h), or more, or various ranges thereof, such as between about 5mph and about 20mph (8.05 and about 32.2 km/h) in some embodiments.
  • the convection fan generates a flow of air of about 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 225, 250, 275, 300, 325, 350, 375, 400, 425, 450, 475, 500, or more cubic feet per minute (CFM) (0.28, 0.56, 0.84, 1.41, 1.69, 1.98, 2.26, 2.54, 2.83, 3.11, 3.4, 3.68, 3.96, 4.25, 4.53, 4.81, 5.1, 5.38, 5.66, 6.37, 7.08, 7.79, 8.5, 9.2, 9.91, 10.62, 11.33, 12.03, 12.74, 13.45, 14.16, or more cubic meters per minute).
  • CFM cubic feet per minute
  • the convection fan is configured to generate sufficient air flow to cause heat transfer from the glabrous tissue of the skin or have another effect to stimulate or inhibit adiponectin production, lipolysis, or trigger BAT activation, for example.
  • the system includes a convection fan but does not include a temperature-modifying element such as a chiller or a heater.
  • the convection fan can drive the low-humidity air toward the selected region of the patient.
  • the humidity within the chamber 1002 can be preset and or adjustable to any desired humidity depending on the desired clinical result.
  • the relative humidity within the chamber is set relatively low, such as less than about 35%, 30%, 25%, 20%, 15%, 10%, 5%, 4%, 3%, 2%, 1%, or less.
  • the relative humidity of the chamber can be set to between about 0% and about 30%, between about 10% and about 25%, between about 15% and about 25%, or between about 10% and about 20% in some embodiments, or about 0%, 1%, 2%, 3%, 4%, 5%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, or 25%.
  • the relative humidity within the chamber 1002 can be controlled as to have a positive or negative gradient with respect to the relative humidity outside of the chamber 1002 of about 5%, 10%, 15%, 20%, 25%, 30%, or more, or various ranges thereof.
  • the device can have controls to create a relative humidity gradient within the chamber 1002 with respect to the outside of the chamber 1002 while there is no temperature gradient or no substantial temperature gradient within the chamber 1002 with respect to the outside of the chamber 1002.
  • the relative humidity within the chamber is set relatively high, such as about or more than about 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, or more. In some examples, the relative humidity of the chamber can be set to between about 60% and about 100%, between about 70% and about 95%, between about 75% and about 90%, or between about 80% and about 90% in some examples.
  • the device and/or chamber itself can take the form of handwear such as a glove or mitten, and/or footwear such as a shoe or boot for example.
  • the glabrous tissue of a patient to be treated includes one or both hands, one or both feet, forehead tissue, and/or sternal tissue.
  • the tissue can be exposed to the controlled environment of the chamber for about, at least about, or no more than about 5 minutes, 10 minutes, 15 minutes, 30 minutes, 45 minutes, 1 hour, 2 hours, 3 hours, 4 hours, 5 hours, 6 hours, 7 hours, 8 hours, 9 hours, 10 hours, 11 hours, 12 hours, 16 hours, 20 hours, or 24 hours a day.
  • the patient is treated nocturnally, such as during sleep, and/or during waking hours.
  • the treatment can be continuous (e.g., 3 hours straight in a day), pulsed or intermittent (e.g., 1 hour straight 3 times a day), and repeated 1, 2, 3, 4, 5, or more times daily, every other day, every third day, weekly, or other interval depending on the desired clinical result.
  • systems and methods as disclosed herein can affect, e.g., increase or decrease the metabolic rate of a patient.
  • systems and methods as disclosed herein can affect the basal metabolic rate of a patient by at least about 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%, 12%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, or more.
  • systems and methods as disclosed herein can affect the basal metabolic rate of a patient by at least 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 150, 200, 250, 300, 400, 500, or more kcal per day.
  • systems and methods as disclosed herein can prevent or treat a variety of conditions including diabetes mellitus, gestational diabetes, prediabetes, impaired glucose tolerance, obesity, dyslipidemia (including high LDL, low HDL, and hypertriglyceridemia), metabolic syndrome, hypertension, fatty liver, coronary, cerebral, or peripheral vascular disease.
  • the systems and methods as disclosed herein can prevent or treat a neurologic or psychiatric condition, such as dementia or failure to thrive for example.
  • systems and methods as disclosed herein can prevent or treat hyperthermia or hypothermia.
  • systems and methods as disclosed herein can treat or prevent Alzheimer's disease as well as other dementias.
  • Alzheimer's disease is sometimes referred to as "type 3 diabetes". Not to be limited by theory, this is due to high numbers of insulin-resistant receptors found in brain tissue.
  • the beta cells are known to secrete precursors of amyloid protein, in addition to insulin secretion. When beta cells need to produce increasing amounts of insulin due to peripheral and CNS insulin resistance, the beta cells tend to increase the amyloid precursor production as well. These precursors cross the blood-brain barrier and become deposited as clumps of amyloid in the brain tissue at the insulin receptor sites. This tends to exacerbate brain tissue insulin resistance, and a vicious cycle results.
  • amyloid has been observed at highest concentrations in the temporal lobe and in particular in the hippocampus, which are areas especially associated with memory, and is associated with the pathophysiology of Alzheimer's disease.
  • the insulin effect on the brain can be independent of its glucose uptake effect.
  • the insulin can have a neurotransmission effect in memory signaling. When insulin resistance occurs, amyloid plaque builds up at insulin receptor sites. Memory function thus diminishes and Alzheimer's disease progresses.
  • adiponectin which sensitizes insulin and crosses the blood-brain barrier
  • beta cell insulin production there could be less beta cell insulin production and in turn less amyloid precursor production.
  • the brain tissue could remain plaque free, or the number of plaques could be reduced, or new plaque formation could be inhibited or prevented, and as such insulin resistant, amyloid-induced, memory loss could be treated or prevented.
  • amyloid-associated diseases can also be treated or prevented in some embodiments (with the amyloid-associated protein associated with the disease listed in parentheses), including type 2 diabetes mellitus (amylin), Parkinson's disease (alpha-synuclein), bovine spongiform encephalopathy (PrP), fatal familial insomnia (PrP), Huntington's disease (Huntingtin), medullary carcinoma of the thyroid (calcitonin), isolated atrial amyloidosis and other arrhythmias (atrial natriuretic factor), atherosclerosis (apolipoprotein AI), rheumatoid arthritis (serum amyloid A), aortic medial amyloid (medin), prolactinomas (prolactin), familial amyloid neuropathy (transthyretin), hereditary non-neuropathic systemic amyloidosis (lysozyme), dialysis-related amyloidosis (beta
  • systems as disclosed herein can be configured to stimulate adiponectin secretion as it triggers the hypothalamus to activate subcutaneous BAT.
  • the hypothalamus can respond to stimuli causes by a change in environment by the systems and methods disclosed herein signaling perception of a relatively "cold" environment in the glabrous tissue.
  • the hypothalamus triggers fat to combust to increase heat. This also triggers adiponectin secretion.
  • the systems can result in an improvement or stabilization of memory or other activities of daily living, such as a stabilization or improvement in an activities of daily living, cognitive, or other patient assessment score (e.g., mini-mental status exam, Alzheimer's disease assessment scale-cognition, general practitioner assessment of cognition, psychogeriatric assessment scale, Rowland universal dementia assessment scale, or others) by at least about 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 60%, 70%, 80%, 90%, 100%, or more.
  • the number and or amount of ancillary therapies needed to treat the patient's condition can also be reduced.
  • Figure 11A illustrates a schematic side view of a humidity-controlled device 1100 having an interior chamber for treatment of metabolic syndrome or other conditions such as those disclosed herein, according to some examples Some features can be as described, for example, in connection with Figure 10 above.
  • the device 1100 in some examples can include a cubical or rectangular housing.
  • the device can have a length of between about 15.24 cm (6 inches) and about 60.96 cm (24 inches), such as about 30.48 cm (12 inches); a width of between about 15.24 cm (6 inches) and about 60.96 cm (24 inches), such as about 30.48 cm (12 inches); a height of between about 15.24 cm (6 inches) and about 30.48 cm (12 inches), such as about 20.32 cm (8 inches); and a housing thickness of between about 0.635 cm (1 ⁇ 4 inch) and about 1.27 cm (1 ⁇ 2 inch).
  • the device 1000 can be made of any appropriate material, and is clear acrylic in some examples.
  • the device can include an adjustable exhaust outlet 1102 in which air can escape the chamber.
  • the outlet 1102 can have a diameter of about 5.08 cm (2 inches) to about 10.16 cm (4 inches), such as about 7.63 cm (3 inches) in some examples. Also shown is attachment collar 1103 extending outwardly at least about 3 ⁇ 4" in some examples.
  • the device 1100 can also include a mounting area 1104 (such as about 3" by 3" in some cases) for attaching an air-circulating element, such as a fan.
  • Air supply inlet 1106 is also shown, which can supply dehumidified air into the chamber. In some examples, the air supply inlet can have a diameter of between about 0.635 cm (1 ⁇ 4 inch) and about 1.27 cm (1 ⁇ 2 inch), such as about 0.95 cm (3/8 inches) in some examples).
  • Figure 11B is a schematic end view of the device 1100 shown in Figure 11A , showing patient port 1110 for the insertion of a patient's extremity that includes glabrous tissue into the chamber 1110. Attached to the sidewall of the chamber is seal material 1111 for creating an air-tight or substantially air-tight seal as previously describe. Also shown is air-circulating element 1108.
  • Figure 11C is a perspective view of the device 1100 of Figures 11A-11B , showing fan 1108, an aperture 1109 for the power conduit of the fan 1108. Also shown are adjustable exhaust outlet 1102 and attachment collar 1103, patient port 1110, and air supply inlet 1106.
  • systems as described herein can further include a vacuum.
  • the vacuum is in operative communication with the chamber by way of a vacuum line.
  • the vacuum can be used to exert negative pressure on the glabrous skin on which the device is controlling the humidity of the air surrounding the glabrous tissue, or other parameter.
  • the negative pressure can be used to enhance the dilatation of AVAs in the subject's glabrous skin.
  • the vacuum and therefore the negative pressure exerted on the glabrous skin can be controlled by a computer.
  • the vacuum can be in operative communication with the computer by way of a vacuum module.
  • the device can be equipped with a pressure sensor that is in operative communication with the computer by way of a pressure sensing module. In this way, the computer may process pressure information and humidity information and this information may be used to adjust factors affecting the operation of the device such as the humidity or temporal characteristics of the dehumidified air circulated through the device or the negative pressure or temporal characteristics thereof.
  • Sensors may be in operative communication with a computer through a sensor module.
  • the compressor can also be in operative communication with the computer through a compressor module to adjust flow rate, relative humidity, etc.
  • Information collected from the humidity sensors that may be present within the chamber can be used to adjust the relative humidity of the chamber to a desired level.
  • the methods described herein can be implemented via a general-purpose computing device in the form of a computer.
  • the components of the computer can include, but are not limited to, one or more processors or processing units, a system memory, and a system bus that couples various system components including the processor to the system memory.
  • the system bus may represent one or more of several possible types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, and a processor or local bus using any of a variety of bus architectures.
  • bus architectures can include an Industry Standard Architecture (ISA) bus, a Micro Channel Architecture (MCA) bus, an Enhanced ISA (EISA) bus, a Video Electronics Standards Association (VESA) local bus, and a Peripheral Component Interconnects (PCI) bus also known as a Mezzanine bus.
  • ISA Industry Standard Architecture
  • MCA Micro Channel Architecture
  • EISA Enhanced ISA
  • VESA Video Electronics Standards Association
  • PCI Peripheral Component Interconnects
  • the bus, and all buses specified in this description, can also be implemented over a wired or wireless network connection and each of the subsystems, including the processor, a mass storage device, an operating system, application software, data, a network adapter, system memory, an Input/Output Interface, a display adapter, a display device, and a human machine interface, can be contained within one or more remote computing devices at physically separate locations, connected through buses of this form, in effect implementing a fully distributed system.
  • the computer typically includes a variety of computer readable media. Such media can be any available media that is accessible by the computer and includes both volatile and non-volatile media, removable and non-removable media.
  • the system memory includes computer readable media in the form of volatile memory, such as random access memory (RAM), and/or non-volatile memory, such as read only memory (ROM).
  • RAM random access memory
  • ROM read only memory
  • the system memory typically contains data such as data and/or program modules such as operating system and application software that are immediately accessible to and/or are presently operated on by the processing unit.
  • the computer may also include other removable/non-removable, volatile/non-volatile computer storage media.
  • a mass storage device can be a hard disk, a removable magnetic disk, a removable optical disk, magnetic cassettes or other magnetic storage devices, flash memory cards, CD-ROM, digital versatile disks (DVD) or other optical storage, random access memories (RAM), read only memories (ROM), electrically erasable programmable read-only memory (EEPROM), and the like.
  • Any number of program modules can be stored on the mass storage device, including by way of example, an operating system and application software. Each of the operating system and application software (or some combination thereof) may include elements of the programming and the application software. Data can also be stored on the mass storage device. Data can be stored in any of one or more databases known in the art. Examples of such databases include, DB2, Microsoft Access, Microsoft SQL Server, Oracle mySQL, PostgreSQL, and the like. The databases can be centralized or distributed across multiple systems.
  • a user can enter commands and information into the computer via an input device.
  • input devices include, but are not limited to, a keyboard, pointing device (e.g., a "mouse"), a microphone, a joystick, a serial port, a scanner, and the like.
  • pointing device e.g., a "mouse”
  • microphone e.g., a microphone
  • joystick e.g., a joystick
  • serial port e.g., a serial port
  • scanner e.g., a serial port
  • USB universal serial bus
  • the computer can operate in a networked environment using logical connections to one or more remote computing devices.
  • a remote computing device can be a personal computer, portable computer, a server, a router, a network computer, a peer device or other common network node, and so on.
  • Logical connections between the computer and a remote computing device can be made via a local area network (LAN) and a general wide area network (WAN).
  • LAN local area network
  • WAN general wide area network
  • a network adapter can be implemented in both wired and wireless environments. Such networking environments are commonplace in offices, enterprise-wide computer networks, intranets, and the Internet.
  • Computer readable media can be any available media that can be accessed by a computer.
  • Computer readable media may comprise “computer storage media” and “communications media.”
  • Computer storage media include volatile and non-volatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules, or other data.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer.
  • An implementation of the disclosed method may be stored on or transmitted across some form of computer readable media.
  • the processing of the disclosed method can be performed by software components.
  • the disclosed method may be described in the general context of computer-executable instructions, such as program modules, being executed by one or more computers or other devices.
  • program modules include computer code, routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types.
  • the disclosed method may also be practiced in grid-based and distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network.
  • program modules may be located in both local and remote computer storage media including memory storage devices.
  • a 62 year-old male patient with metabolic syndrome, coronary artery disease status-post stenting, dyslipidemia, obesity, and diabetes mellitus was treated daily for approximately 3 hours over a 2 week period by placing a hand in a dehumidified sealed chamber (relative humidity 16%) without controlling the temperature of the chamber, which remained at room temperature. Relative humidity outside of the chamber was about 40%.
  • the patient did not change his lifestyle habits, medication regimen, or diet over the 2 week period.
  • the patient's lab comparison showed surprising improvements in HbA1c, LP-IR score, fasting serum glucose, total cholesterol, and LDL-C. The patient tolerated the procedures without complications.

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Claims (13)

  1. System zum Stimulieren von unbehaartem Gewebe eines Patienten, umfassend:
    ein Gehäuse, das eine umschlossene Kammer (1002) umgibt;
    einen Befeuchter (1018), der dafür gestaltet ist, der Kammer befeuchtete Raumluft zuzuführen, die ausreicht, um Wärmeverlust aus dem unbehaarten Gewebe zu minimieren; und
    eine Patientenöffnung (1010), die funktionsfähig mit der Kammer (1002) verbunden ist und dafür gestaltet ist, einen Bereich der Hautoberfläche eines Patienten, der das unbehaarte Gewebe (1004) umfasst, aufzunehmen, wobei die Patientenöffnung (1020) dafür gestaltet ist, nach Abgrenzen des Bereichs der Hautoberfläche reversibel eine Abdichtung gegenüber einem Innenraum der Kammer (1002) zu bilden,
    wobei die Kammer (1002) in dem System dafür gestaltet ist, unbehaartes Gewebe der Hand abzugrenzen, und so bemessen ist, dass die Patientenhand über den MCP-Gelenken keinen Kontakt mit einer Seitenwand der Kammer bildet,
    wobei die befeuchtete Luft eine relative Feuchtigkeit von zwischen etwa 90 % und etwa 99 % aufweist, dadurch gekennzeichnet, dass
    das System Feuchtigkeit und/oder Konvektion der Luft, die das unbehaarte Gewebe umgibt, beeinflusst, ohne die Lufttemperatur zu verändern.
  2. System gemäß Anspruch 1, wobei der Befeuchter über eine Leitung funktionsfähig mit der umschlossenen Kammer verbunden ist.
  3. System gemäß Anspruch 2, das dafür gestaltet ist, einen ersten Zustand, in dem der Befeuchter über die Leitung befeuchtete Luft an den Innenraum der Kammer abgibt; und einen zweiten Zustand, in dem die Leitung von der Kammer getrennt ist und befeuchtete Luft in dem Innenraum der Kammer eingeschlossen bleibt, aufzuweisen.
  4. System gemäß Anspruch 1, ferner umfassend eine Steuerung, die dafür gestaltet ist, die relative Feuchtigkeit der befeuchteten Luft in der Kammer einzustellen.
  5. System gemäß Anspruch 1, ferner umfassend einen Sensor, der dafür gestaltet ist, die Feuchtigkeit innerhalb der Kammer zu erfassen.
  6. System gemäß Anspruch 1, ferner umfassend eine Anzeige, die dafür gestaltet ist, Information über die Feuchtigkeit innerhalb der Kammer bereitzustellen.
  7. System gemäß Anspruch 1, wobei der Befeuchter dafür gestaltet ist, der Kammer befeuchtete Raumluft zuzuführen, die ausreicht, um Abführen von nicht mehr als etwa 0,1 kcal an Wärme von dem unbehaarten Gewebe in einem Zeitraum von weniger als etwa 1 Stunde zu verhindern.
  8. System gemäß Anspruch 1, wobei der Befeuchter dafür gestaltet ist, der Kammer befeuchtete Raumluft zuzuführen, die ausreicht, um Adiponektinspiegel des Patienten um wenigstens etwa 5 % nach etwa 1 Stunde im Vergleich zu den Adiponektinspiegeln des Patienten vor der Behandlung zu senken.
  9. System gemäß Anspruch 1, wobei die Steuerung dafür gestaltet ist, die relative Feuchtigkeit auf der Grundlage von Erhalten von Information von einem Sensor, der physiologische Information über den Patienten liefert, einzustellen.
  10. System gemäß Anspruch 1, wobei das System wenigstens teilweise in der Form eines Fausthandschuhs vorliegt, der dafür gestaltet ist, von dem Subjekt getragen zu werden, um das palmare unbehaarte Gewebe des Patienten zu behandeln.
  11. System gemäß Anspruch 1, wobei der Befeuchter einen Kaltnebelbefeuchter umfasst.
  12. System gemäß Anspruch 1, wobei der Befeuchter einen Verdampfer umfasst.
  13. System gemäß Anspruch 1, wobei der Befeuchter einen Ultraschall-Vernebler umfasst.
EP15834125.5A 2014-08-21 2015-08-21 Modifizierung der feuchtigkeit von unbehaartem gewebe zur behandlung von migräne und anderen leiden Active EP3182952B1 (de)

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WO2014197863A1 (en) 2013-06-07 2014-12-11 Swyer Mark Modifying humidity and convection to glabrous tissue to control metabolism
US9681980B2 (en) 2013-06-07 2017-06-20 Core Thermal, Inc. Modifying humidity to glabrous tissue for the treatment of migraine and other conditions
CA3139053A1 (en) 2019-06-03 2020-12-10 Cooler Heads Care, Inc. Cooling cap assembly and cooling unit

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