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WO1996031136A1 - Dispositif personnel de controle de temperature et son utilisation - Google Patents

Dispositif personnel de controle de temperature et son utilisation Download PDF

Info

Publication number
WO1996031136A1
WO1996031136A1 PCT/GB1996/000824 GB9600824W WO9631136A1 WO 1996031136 A1 WO1996031136 A1 WO 1996031136A1 GB 9600824 W GB9600824 W GB 9600824W WO 9631136 A1 WO9631136 A1 WO 9631136A1
Authority
WO
WIPO (PCT)
Prior art keywords
user
heat exchanger
pump
temperature
liquid
Prior art date
Application number
PCT/GB1996/000824
Other languages
English (en)
Inventor
Stephen Allan Richards
Original Assignee
Stephen Allan Richards
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stephen Allan Richards filed Critical Stephen Allan Richards
Priority to AU52807/96A priority Critical patent/AU5280796A/en
Publication of WO1996031136A1 publication Critical patent/WO1996031136A1/fr

Links

Classifications

    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42BHATS; HEAD COVERINGS
    • A42B1/00Hats; Caps; Hoods
    • A42B1/008Hats; Caps; Hoods with means for heating or cooling
    • AHUMAN NECESSITIES
    • A42HEADWEAR
    • A42CMANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
    • A42C5/00Fittings or trimmings for hats, e.g. hat-bands
    • A42C5/04Ventilating arrangements for head coverings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/10Cooling bags, e.g. ice-bags
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0001Body part
    • A61F2007/0002Head or parts thereof
    • A61F2007/0008Scalp
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0054Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
    • A61F2007/0056Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water for cooling
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/10Cooling bags, e.g. ice-bags
    • A61F2007/108Cold packs, i.e. devices to be cooled or frozen in refrigerator or freezing compartment

Definitions

  • the present invention relates to a personal temperature control device and a method of using the same.
  • Devices for providing personal temperature control, such devices being principally directed to use in extreme and therefore dangerous hot or cold ambient conditions.
  • One such device is disclosed in EP-A-0 099 885 where a first heat exchanger in the form of a body and head garment is connected to a second heat exchanger, which includes a temperature source. Liquid is circulated between the two heat exchangers to effect a suitable heat exchange between the liquid, the temperature source, and the user of the device.
  • This prior art device is used to effect a cooling of both the body and head of its user, and thus requires a substantial quantity of liquid, both within the body and head garments and in a reservoir forming part of the second heat exchanger.
  • the quantity of liquid required adds a significant weight to the device.
  • a large quantity of temperature source, namely ice, is necessary for the device to be able to work for any significant time.
  • the device of EP-A-0 099 885 is disclosed as being portable, in practice this has not been found to be the case as a result of the size and particularly weight constraints it has.
  • the applicant of the present invention has considered the above identified problems in the particular context of how cooling certain parts of the body can impart cooling on a particularly effective basis, particularly to relieve the symptoms of certain illnesses.
  • the applicant has identified that localised cooling of the head has significant effects in effecting disproportionate cooling and thus alleviating the symptoms of illnesses associated with the central nervous system (CNS) , for example Multiple Sclerosis (MS) .
  • CNS central nervous system
  • MS Multiple Sclerosis
  • the applicant has found that in MS and other degenerative diseases of the CNS, reducing the temperature of the head can in certain cases allow virtually normal use of all limbs, where without such a temperature reduction, such use is drastically impaired.
  • use of a device according to EP-A-0 099 885 could theoretically significantly improve the quality of life of sufferers of, for example, MS, the lack of portability of this known device restricts its beneficial effects.
  • a personal temperature control device comprising a first liquid based heat exchanger for performing a heat exchange with a user and a temperature modulation source thermally coupled thereto; characterized in that the device is arranged solely for heat exchange with the user's head and/or an area directly adjacent the user's central nervous system.
  • the size and weight of the device components can be kept relatively small so that the device is truly portable.
  • the restricted body contact area of the first heat exchanger moreover allows the device to be used for longer periods of time, as inefficient heat exchange is minimal.
  • the user's head comprises specifically the cranial area.
  • the temperature modulation source is provided as part of a second heat exchanger which is thermally coupled to the first heat exchanger.
  • first and second heat exchangers are connected in a liquid coolant circulation loop.
  • the temperature modulation source is preferably provided in direct contact with the liquid coolant circulation loop so as to provide an efficient heat exchange and to minimize the complexity and weight of the device.
  • the flow of liquid coolant around the loop is variably adjustable.
  • the device can accommodate ambient temperature variations and user preference.
  • a pump is provided to urge the liquid coolant around the loop. Any suitable pump may be used, for example of the electrically driven kind, although alternatives, e.g. clockwork, spring driven examples may be used.
  • operation of the pump can be automatically controlled so as to be intermittent. In this manner, the available working time of the device can be lengthened.
  • the pump is powered by a rechargeable battery, thereby providing a low cost, efficient power supply.
  • the modulation temperature source is a freezer pack. Any suitable alternatives may of course be used. Where a heating or warming effect is desired, e.g. in cases of a user suffering from hyperthermia, a suitable exothermic chemical pack may be used.
  • the temperature source can be mains water at ambient temperature, or heated water from a central heating system.
  • the first and second heat exchangers are adapted to be supported by an item or items of clothing when in situ on the user.
  • the second heat exchanger is adapted to be supported on a waistcoat, belt or shoulder-strap arrangement or a suitable harness. In this way, the second heat exchanger can be supported vertically, whether the user is standing or seated.
  • the device as described above is for use in alleviating the symptoms of diseases of the central nervous system.
  • the lightweight arrangement of the device provides mobility for users having such symptoms.
  • Figure 1 shows in perspective a view of a device according to an embodiment of the invention in operation
  • Figure 2 shows components of the device of Figure l
  • FIG 3 shows in perspective an adapter arrangement for use in connection with the device of Figure 1.
  • the personal temperature control device for a user (1) comprises a first heat exchanger in the form of headgear (2) covering at least a portion of the user's head (3) , the first heat exchanger being coupled to a second heat exchanger (4) in the form of an insulated pack.
  • the pack includes a reservoir through which liquid that has circulated around the headgear is passed, and a space for receiving a suitable temperature source (discussed later) past or through which the liquid flows.
  • the liquid is preferably water although any suitable alternative may be used.
  • Pump apparatus (5) receives liquid which has circulated through the reservoir and urges it through insulated tubing (6) around the headgear and back to the pack (4) .
  • the apparatus thus provides a simple and reliable means for influencing the temperature of the head of a user.
  • the head is cooled although warming of the head may be equally be provided for by using a temperature source which is exothermic such as, for example, by controlled chemical reactions. Heating or warming may be used, for example, to provide rapid relief for persons suffering from hyperthermia.
  • the device is directed to controlling a localised area, i.e particularly the cranial region of the head, only a relatively small amount of coolant liquid is required. Further, since less liquid is in circulation in the device, the second heat exchanger requires a relatively small temperature source to provide the necessary heat transfer.
  • the components of the device relating to the second heat exchanger and pump can be readily supported on for example, a waistcoat, shoulder-strap or harness arrangement worn by the user. The support can hold the second heat exchanger components vertically in such a manner that they do not get in the way and cause discomfort even when the user is seated or bends over.
  • the second heat exchanger components and pump apparatus may alternatively be supported in a suitably designed belt arrangement.
  • the weight of the device, including the cooling liquid is such that the device is readily portable.
  • the relatively small size of the device means that it is discrete in appearance.
  • the headgear (2) may be readily housed within a hat, for example, a baseball cap. The user of the device does not thus feel conspicuous.
  • the second heat exchanger includes a well insulated pack (4) , which itself includes a sealed reservoir (14) having an input (11) and an output (12) .
  • the input receives liquid which has been circulated through the headgear (2) whereas the output supplies cooled liquid to the pump (5) for recirculation to the headgear.
  • the pack (4) includes a space to receive the temperature source, preferably in the form of a freezer pack (7) , although any alternative suitable cooling or warming pack may be used.
  • the reservoir and freezer pack are arranged as to have a relative large contact surface area to ensure good heat exchange between the two.
  • the freezer pack (7) is provided adjacent the reservoir (14) although the freezer pack may simply be located in the reservoir itself for optimum heat transfer.
  • freezer packs are preferred because of their high latent heat of melting which enables them to provide a sustained cooling effect.
  • the pump and control apparatus of the device is shown generally at (5) and includes a pump (13) which receives liquid from the insulation pack output (12) , a battery (8) which provides a required power energy to drive the pump, a control circuit (not shown) , operating controls (15) , external power inputs (10) and a liquid output (16) .
  • a pump (13) which receives liquid from the insulation pack output (12)
  • a battery (8) which provides a required power energy to drive the pump
  • a control circuit not shown
  • operating controls (15)
  • external power inputs (10) external power inputs
  • liquid output (16) liquid output
  • a rechargeable battery (8) is generally most convenient.
  • the pump may be powered by way of solar powered energy or indeed the rechargeable battery may be recharged by way of solar energy.
  • the external power inputs (10) may also be used to either charge up the battery from, for example mains power or a car battery, or to power the pump directly.
  • a control circuit is used to control operation of the pump.
  • the pump may be operated so as to automatically function intermittently. In this way the operational life of the device between charging of the battery can be extended without lessening the effectiveness of the cooling device. It has been found that a pump rated at 500 mA to 2A, working at around 10 seconds on and 10 seconds off provides an effective cooling arrangement. Controls (15) can be used to vary the on and off periods of the pump as well as the pump output. For example, as the freezer pack inevitably warms up, the pump can be controlled so as to come on for longer periods and stay off for shorter periods.
  • the headgear (2) is arranged to provide effective heat transfer between the head (3) of a user and the circulation liquid.
  • the headgear may comprise a winding of the tube in a suitable configuration at the contact area with the user's head.
  • the headgear may include two overlying sheets of suitable material which are sealed together to define an appropriate circulation path or paths.
  • a similar heat transfer surface may be provided in the pack (4) at the contacting surface with the reservoir (14) .
  • the tubing running up from the pump to the headgear (2) may be arranged so as to provide a degree of heat transfer directly to the spinal area of the user.
  • reducing the temperature of the brain where the majority of neural signals are processed and directed assists in the direct transmission of such signals and reduces the occurrence of "misfiring" of neural synapses.
  • the lack of control of muscles often associated with such illnesses is as a result of misfiring of certain neural signals.
  • cooling of the area where such signals are transmitted is beneficial to alleviate the mis-transmission of such signals
  • the applicant of the present invention has identified that providing a cooling means in a specific area where the majority of such signals are processed or transmitted, i.e. the brain and upper spinal area, provides a substantial alleviation of the symptoms of such illnesses.
  • localised cooling has such beneficial advantages and by restricting the device to provide any such cooling in the area of the head, the device can be made such that it is in practice readily portable.
  • cooling tubing (6) running between the headgear (2) and the pump (13) may be arranged so as to align with the spinal column of the user, the spinal column being another major area of nervous system activity.
  • an adaptor (17) which allows the end of the insulated tubing normally connected to the pump outlet to be connected to a standard tap (18) .
  • the mains water supply can be used to supply the cooling liquid to, for example, the head gear (2) .
  • the adaptor may alternatively be connected to a hot water tap to provide a warming effect or to a tank of suitably heated or cooled liquid.
  • the end of the tubing normally connected to the second heat exchanger input (11) may in this regard may be linked to a drain or a water storage facility (19) .
  • cooling or warming is provided by the natural temperature of the water and can be circulated via the natural pressure of the main supply or that of the hot water supply.
  • the ends of the tube may be provided with double, snap-in non-return valves (20) as may be the adaptor. This allows for extensions to the tube to be added by simply snapping in the further sections of double-tube.
  • the adaptor may have a regulator to control the pressure of the liquid coolant through the system.
  • the pump may include a clockwork mechanism, whereby a power source in the form of a battery is not required.
  • the mechanism may be self winding or may be manually wound, for example by a user. In this way the duration that the personal temperature control device can be - lo ⁇ used is not limited by the effective working lifespan of the power source.
  • the purpose of cooling has many effects amongst which are (a) to relieve the symptoms of illnesses associated with the central nervous system such as Multiple Sclerosis; (b) to relieve head aches and migraine; (c) to improve efficiency in working conditions; (d) to relieve the symptoms of myalgic encephalitis; (e) to relieve stress; and (f) to provide a sense of well being in high- ambient temperatures.

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

Un dispositif personnel de contrôle de temperature (1) comporte un échangeur à base de liquide sous forme d'une pièce d'un casque (2) afin de permettre un échange de chaleur avec la tête (3) de l'utilisateur et une source de modulation de température sous forme d'une boucle de circulation liquide couplant thermiquement un paquet de glace (4) et la pièce du casque.
PCT/GB1996/000824 1995-04-04 1996-04-03 Dispositif personnel de controle de temperature et son utilisation WO1996031136A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU52807/96A AU5280796A (en) 1995-04-04 1996-04-03 Personal temperature control device and a method of using th e same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9506967.0 1995-04-04
GB9506967A GB2299655A (en) 1995-04-04 1995-04-04 Personal temperature control device

Publications (1)

Publication Number Publication Date
WO1996031136A1 true WO1996031136A1 (fr) 1996-10-10

Family

ID=10772508

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1996/000824 WO1996031136A1 (fr) 1995-04-04 1996-04-03 Dispositif personnel de controle de temperature et son utilisation

Country Status (3)

Country Link
AU (1) AU5280796A (fr)
GB (1) GB2299655A (fr)
WO (1) WO1996031136A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8236038B2 (en) 2006-04-20 2012-08-07 University Of Pittsburgh-Of The Commonwealth System Of Higher Education Method and apparatus of noninvasive, regional brain thermal stimuli for the treatment of neurological disorders
US8425583B2 (en) 2006-04-20 2013-04-23 University of Pittsburgh—of the Commonwealth System of Higher Education Methods, devices and systems for treating insomnia by inducing frontal cerebral hypothermia
WO2014107509A1 (fr) * 2013-01-02 2014-07-10 Cerêve, Inc. Systèmes d'amélioration du sommeil
US9211212B2 (en) 2006-04-20 2015-12-15 Cerêve, Inc. Apparatus and method for modulating sleep
US9492313B2 (en) 2006-04-20 2016-11-15 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Method and apparatus of noninvasive, regional brain thermal stimuli for the treatment of neurological disorders
CN106491351A (zh) * 2016-11-18 2017-03-15 柴书喻 一种耳麦式降温醒脑头罩
US11684510B2 (en) 2006-04-20 2023-06-27 University of Pittsburgh—of the Commonwealth System of Higher Education Noninvasive, regional brain thermal stimuli for the treatment of neurological disorders
US12290640B2 (en) 2006-04-20 2025-05-06 University of Pittsburgh—of the Commonwealth System of Higher Education Noninvasive, regional brain thermal stimulation for inducing relaxation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9704957D0 (en) * 1997-03-11 1997-04-30 Paxman Neil E Apparatus for cooling human scalps
IT1403579B1 (it) * 2011-01-05 2013-10-31 Giovannini Copricapo a forma di casco captatore - dissipatore (sensor - heatsink) di attivita' elettromagnetica - elettrostatica - meteorologica (ambientale)
US12178273B2 (en) * 2020-10-16 2024-12-31 Bobby Coffman Personal cooling device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133055A (en) * 1977-08-03 1979-01-09 Energy Systems Corporation Protective helmet with thermal liner
US4138743A (en) * 1975-02-25 1979-02-13 Acurex Corporation Liquid cooled helmet
US4172495A (en) * 1977-08-03 1979-10-30 Energy Systems Corporation Slurry cooling of helmets
WO1983002562A1 (fr) * 1982-02-01 1983-08-04 Elkins, William Systeme individuel de commande de la temperature
DE3210178A1 (de) * 1982-03-19 1983-09-29 Pharmavet Gesellschaft für veterinärmedizinische Therapeutika mbH, 4400 Münster Kuehlpackung zur kaeltetherapie des menschlichen kopfes, dafuer geeignete haube und deren verwendung
NL9000752A (nl) * 1990-03-30 1991-10-16 Leuven K U Res & Dev Koelsysteem en een hoofdkap daarvoor, voor het afkoelen van het hoofd.
US5197292A (en) * 1991-07-15 1993-03-30 Mcpherson Paul R Cooling cap for athletes

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* Cited by examiner, † Cited by third party
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NL193447A (fr) * 1953-12-23
GB1331002A (en) * 1972-01-20 1973-09-19 Nii Urologii I Nefrologii Im A Apparatus for application of local hypothermy to the kidney
GB1521752A (en) * 1975-09-17 1978-08-16 Vari Temp Mfg Co Portable cooling or heating apparatus for human and animal body portions
US4566455A (en) * 1984-03-27 1986-01-28 H. Mervin Hughes, II Skin temperature control
US4998415A (en) * 1989-10-30 1991-03-12 Larsen John D Body cooling apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138743A (en) * 1975-02-25 1979-02-13 Acurex Corporation Liquid cooled helmet
US4133055A (en) * 1977-08-03 1979-01-09 Energy Systems Corporation Protective helmet with thermal liner
US4172495A (en) * 1977-08-03 1979-10-30 Energy Systems Corporation Slurry cooling of helmets
WO1983002562A1 (fr) * 1982-02-01 1983-08-04 Elkins, William Systeme individuel de commande de la temperature
EP0099885A1 (fr) * 1982-02-01 1984-02-08 Life Support Systems Inc Systeme individuel de commande de la temperature.
DE3210178A1 (de) * 1982-03-19 1983-09-29 Pharmavet Gesellschaft für veterinärmedizinische Therapeutika mbH, 4400 Münster Kuehlpackung zur kaeltetherapie des menschlichen kopfes, dafuer geeignete haube und deren verwendung
NL9000752A (nl) * 1990-03-30 1991-10-16 Leuven K U Res & Dev Koelsysteem en een hoofdkap daarvoor, voor het afkoelen van het hoofd.
US5197292A (en) * 1991-07-15 1993-03-30 Mcpherson Paul R Cooling cap for athletes

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10213334B2 (en) 2006-04-20 2019-02-26 Ebb Therapeutics, Inc. Apparatus and method for modulating sleep
US11684510B2 (en) 2006-04-20 2023-06-27 University of Pittsburgh—of the Commonwealth System of Higher Education Noninvasive, regional brain thermal stimuli for the treatment of neurological disorders
US12290640B2 (en) 2006-04-20 2025-05-06 University of Pittsburgh—of the Commonwealth System of Higher Education Noninvasive, regional brain thermal stimulation for inducing relaxation
US9089400B2 (en) 2006-04-20 2015-07-28 University of Pittsburgh—of the Commonwealth System of Higher Education Methods, devices and systems for treating insomnia by inducing frontal cerebral hypothermia
US9211212B2 (en) 2006-04-20 2015-12-15 Cerêve, Inc. Apparatus and method for modulating sleep
US9492313B2 (en) 2006-04-20 2016-11-15 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Method and apparatus of noninvasive, regional brain thermal stimuli for the treatment of neurological disorders
US9669185B2 (en) 2006-04-20 2017-06-06 University of Pittsburgh—of the Commonwealth System of Higher Education Methods, devices and systems for treating insomnia by inducing frontal cerebral hypothermia
US10610661B2 (en) 2006-04-20 2020-04-07 University of Pittsburgh—of the Commonwealth System of Higher Education Noninvasive, regional brain thermal stimuli for the treatment of migraine
US8425583B2 (en) 2006-04-20 2013-04-23 University of Pittsburgh—of the Commonwealth System of Higher Education Methods, devices and systems for treating insomnia by inducing frontal cerebral hypothermia
US8236038B2 (en) 2006-04-20 2012-08-07 University Of Pittsburgh-Of The Commonwealth System Of Higher Education Method and apparatus of noninvasive, regional brain thermal stimuli for the treatment of neurological disorders
US10864348B2 (en) 2013-01-02 2020-12-15 Ebb Therapeutics, Inc. Systems for enhancing sleep
US10058674B2 (en) 2013-01-02 2018-08-28 Ebb Therapeutics, Inc. Systems for enhancing sleep
WO2014107509A1 (fr) * 2013-01-02 2014-07-10 Cerêve, Inc. Systèmes d'amélioration du sommeil
CN106491351A (zh) * 2016-11-18 2017-03-15 柴书喻 一种耳麦式降温醒脑头罩

Also Published As

Publication number Publication date
GB2299655A (en) 1996-10-09
AU5280796A (en) 1996-10-23
GB9506967D0 (en) 1995-05-24

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