Abstract: The invention comprises a differential air pressure exercise system, comprising: a base; a pair of uprights on the base dividing the base into a front portion and a rear portion; a bulkhead extending between and vertically moveable relative to the uprights; a right arm and a left arm attached to the bulkhead extending from the bulkhead towards the base rear portion; a chamber support frame coupling element on the right arm and on the left arm; a hinge coupled to the bulkhead between the left and right arms; a chamber support frame extending between the left and right arms and coupled to the hinge to move between an engaged condition and a lowered condition.

Abstract: A cardiopulmonary resuscitation, CPR, device (100, 200, 400) for delivering intrathoracic pressure pulses to a subject (290), the device comprising an air pressure generator (110, 310, 410) for delivering air to the airways of the subject (290), wherein the air pressure generator (110, 310, 410) is configured to: operate a first mode, wherein in the first mode the air pressure generator (110, 310, 410) generates a first output (412, 770a, 770b) comprising a first plurality of positive pressure pulses (771) for temporally increasing the subject's intrathoracic pressure to induce compressions of the heart of the subject (290) by increasing the volume of the subject's lungs; operate a second mode, wherein in the second mode the air pressure generator (110, 310, 410) generates a second output (414, 880) comprising a second plurality of positive pressure pulses for providing an assured airflow to the lungs of the subject (290); and deliver a resulting output (425, 986, 1086) to the airways of the subject (290), th

Abstract: A method for noninvasive treatment of diabetic retinopathy helps prevent and reverses diabetic retinopathy and other vascular retinopathies, such as diabetic macular edema for a patient. The method comprises administering at least 80 percent pure oxygen to a patient in an oxygen chamber or nasal cannula. The oxygen chamber includes light emitting diodes that emit a light having a wavelength between 630-700 nm wavelengths on the patient. The method also includes administering an anti-inflammatory agent; an anti-oxidant; at least one of the following: an amino acid, arginine, and citrulline; and an omega-3 fatty acids to the patient. In extreme cases of diabetic retinopathy, a cold laser therapy is also administered to the patient with a wavelength between 570 nanometers and 1000 nanometers. The combination of all the aforementioned treatment modalities and compositions that work to synergistically to achieve unexpected clinical results for prevention and reversal of diabetic retinopathy.

Abstract: The present invention relates to the use of nanodiamonds as drugs generating free radicals, in particular for treating tumors. The invention is based on generating free radicals on the surface of the nanodiamonds when they are exposed to radiation, for example ionizing radiation. In order to increase the effectiveness of the nanodiamonds, the nanodiamonds can be complexed with a radiosensitizing agent, such as a chemical molecule or an interfering RNA targeting a repairing gene.

Abstract: The present disclosure generally relates to a method for humanely slaughtering animals, and more particularly to a method for slaughtering animals using a low atmospheric pressure system with or without the addition of inert gas. In particular, the animals are placed into a chamber, the chamber is sealed, and the pressure in the chamber is reduced along a predetermined pressure curve to a target decompression pressure, and maintained at the decompression pressure for a period of time until the animal achieves a state of death. The low atmospheric pressure slaughter is more humane than traditional slaughter techniques, and results in excellent meat quality.

Abstract: A CPAP apparatus is configured to deliver a flow of pressurized, humidified breathable gas to a patient's airways. The CPAP apparatus includes a blower, a humidification unit and a dehumidification unit. The blower is configured to generate a flow of breathable gas pressurized within a predetermined pressure range. The humidification unit is configured to humidify the pressurized breathable gas discharged from the blower. The dehumidification unit is configured to draw condensation from ambient air and operate at the same time as the humidification unit. An air outlet of the CPAP apparatus is sealingly attachable to an air delivery tube and patient interface assembly.

Abstract: The present invention relates to a conveying and distributing apparatus for delivering fish slaughtered by means of a plurality of slaughtering machines to at least one distributing device, comprising longitudinal conveyors downstream of each of the slaughtering machines, which are configured to receive the slaughtered fish longitudinally in a head to tail orientation, wherein each of the longitudinal conveyors comprises a weighing device for detecting the weight of the slaughtered fish, at least one first transfer device is arranged on each of the longitudinal conveyors, which are designed and configured to transfer the slaughtered fish to at least one transverse conveyor, wherein the at least one transverse conveyor is adapted to receive the slaughtered fish transversely with respect to the head to tail orientation, a feed device arranged on the end of the transverse conveyor, which is designed and configured to remove the slaughtered fish from the transverse conveyor and to feed the same to a distributing

Abstract: The use of gaseous oxygen for the production of a therapeutic gas for inhalation by a patient who has been identified as a person with a mitochondrial disorder or a coenzyme Q10 deficiency, for the treatment of mitochondrial disorders or Q10 deficiencies is disclosed. For the first time a non-invasive method is disclosed, upon what the body's own level of Q10 can be raised significantly without further interventions.

Abstract: A method and apparatus are provided for treating cardiac tissue to modulate ischemic heart tissue with topical sub-atmospheric pressure to minimize cell death and damage.

Abstract: Described herein are various embodiments of differential air pressure systems and components for differential air pressure systems. The air pressure systems have a chamber for receiving at least a portion of a user's body. Pressure in the chamber can be changed to adjust force on the user's body. Described herein are various methods and related structures for sealing a user into a pressurizable chamber. Also described herein are various methods and related structures for changing the shape and/or height of the chamber. Described herein are various types and configurations of chambers and support structures for chambers. Also described herein are various methods and related systems for treating various conditions using the differential air pressure systems, including but not limited to obesity, cardiac disease, multiple sclerosis, cerebral palsy, or Down Syndrome.

Abstract: A portable chamber for hyperbaric and/or hypoxic treatment comprises an open-ended and typically frustro-conical tubular body sized to accommodate at least one occupant, and two end members configured to be respectively received at opposite extremities of the body for closing the body in a seal tight arrangement. The body of the chamber is made of a flexible yet reinforced elastomeric material such as to be collapsible during transport. One of the end members is provided with a door to provide access to the interior of the chamber. The extremities of the body are substantially spherical such as to receive the correspondingly substantially periphery of the end members. When the chamber is supplied with gases during hyperbaric or hypoxic treatment, the spherical peripheries of the end members are urged against the spherical extremities of the body, thereby providing a seal tight chamber. A treatment system comprising the chamber is also disclosed.

Abstract: The present invention provides a differential pressure body suit with external support against body suit migration. In its preferred embodiment, such body suit may comprise a close-fitting, multi-layered suit sealed against a mammal's skin to contain the differential pressure, or a looser-fitting suit that bends at the mammal's joints with minimal force. External support means include either fixed or movable mechanical supports attached to the body suit, extraordinary air pressure levels for making the body suit rigid, or exoskeletons attached to the body suit. A cyclic control system can turn the differential pressure condition within the body suit on and off on a selective basis to accommodate the movement of the legs of the mammal. The pressurization reduces the weight of the body to greater or lesser extents, and offloads the weight to the ground through the external support means.

Abstract: An emergency oxygen supply system for use on aircraft in the event of a loss in cabin pressure is configured for delivering allotments of oxygen and timing the delivery such allotments to each passenger so as maximize the efficiency of the transfer of such oxygen into the passenger's bloodstream. The delivery of each allotment is selected so that the entire allotment is available for inhalation into the region of the lung most efficient at oxygen transfer while the volume of the allotment is selected to substantially coincide with the volume of such region of the lung.

Abstract: A differential pressure body suit with external support against body suit migration. In its preferred embodiment, such body suit may comprise a close-fitting, multi-layered suit sealed against a mammal's skin to contain the differential pressure, or a looser-fitting suit that bends at the mammal's joints with minimal force. External support structure includes either fixed or movable mechanical supports attached to the body suit, extraordinary air pressure levels for making the body suit rigid, or exoskeletons attached to the body suit. A cyclic control system can turn the differential pressure condition within the body suit on and off on a selective basis to accommodate the movement of the legs of the mammal. This differential pressure body suit provides a portable and convenient system for, e.g., rehabilitating a skeletal joint injury or training the mammal for injury prevention or athletic performance.

Abstract: Methods for administering pressure changes to a user for the treatment and prevention of diseases and conditions are disclosed herein. Methods of administering Cyclic Variations in Altitude Conditioning Sessions (CVAC Session(s)) for the treatment of steroidogenesis, steroid levels, and treatment of serum lipid levels are disclosed herein. Also disclosed herein are methods of administering CVAC Session(s) for the treatment of steroid levels and steroidogenesis associated with HIV infection.

Abstract: Provided are a gas mist pressure bathing method and a gas mist pressure bathing system that improve the efficiency of absorbing a gas mist from the skin and mucous membranes of a living body. The gas mist pressure bathing method is provided with a first step, a second step and a third step. The first step involves supplying a gas mist for a predetermined time to at least a first cover 51 of a living body cover member 50 having said first cover 51 and a second cover 55 positioned outside of the first cover 51, the inside of said second cover 55 being substantially sealed; covering the skin and mucous membranes of the living body; and forming a space wherein the gas mist supplied by a gas mist generating means 30 is sealed. The second step involves discharging the gas mist from the first cover 51 and/or the second cover 55.

Abstract: A human healing ability enhancing apparatus includes an airtight part that is capable of being airtight; a decompression pump that decompresses air pressure in the airtight part and communicates with an exhaust port of the airtight part; and an over-decompression prevention device for preventing over-decompression in which the air pressure in the airtight part is lower than a predetermined threshold air pressure.

Abstract: A hazardous materials protective garment may use a two-stage evaporative cooling process to ease heat strain on the wearer of the garment. The garment may include an impermeable inner layer and a wicking outer layer. One or more reservoirs may be disposed interior to the inner layer for collecting condensed and/or unevaporated sweat. One or more pumps may move the sweat to the exterior of the impermeable layer for distribution in the wicking layer and evaporation from the garment.

Abstract: An inflatable face seal (1?; 30?) for a respiratory mask, the inflatable face seal comprising an annular air-tight hollow portion (12?; 40?) where a cross section through one section of the annular hollow portion (12; 40) comprises a bonded joint (11; 41) which joins two overlapping flanges (6,7; 35,36). The two flanges are bonded together such that an inwardly facing surface (10; 39) of a first flange (6; 35) of the two overlapping flanges is in contact with an outwardly facing surface (9; 38) of a second flange (7; 36) of the two overlapping flanges. In this way, the bond is strong and only exposed to shear stresses when the annular air-tight hollow portion is exposed to increased pressure.

Abstract: A method according to an embodiments includes administering at least two Cyclic Variations in Altitude Condition (CVAC) sessions to a mammal disposed in a pressure vessel unit. The at least two CVAC sessions each have a duration of at least twenty minutes. The at least two CVAC sessions each include a start point of ambient pressure at a delivery site, an end point of ambient pressure at the delivery site, and a plurality of atmospheric pressure targets executed between the start point and the end point. The administering is configured to treat at least one of loss of sensation and chronic pain.

Abstract: This invention relates to an exercise device and more particularly to an exercise device of the type that allows the user of the exercise device to exercise with part of their body in a negative pressure environment. These devices are becoming increasingly popular however the known devices are prone to frequent failure. The present invention provides a construction of exercise device that reduces the incidences of failure caused by failure of the electronics panel. The electronics panel being mounted in a separate dedicated enclosure internal the chamber with the negative pressure environment, the interior of the dedicated enclosure is isolated from the negative pressure conditions and atmosphere in the remainder of the chamber. The exercise device will be more reliable and cost effective to run. Furthermore, the construction of the present invention permits easier access to the interior of the casing for maintenance when maintenance is required.

Abstract: A limb wound treatment device is described having a first end, a second end and an interior therebetween for accommodating a treatment gas. The device can include a flexible housing that can be inflated or a rigid housing. The first end can include an inflatable cuff seal for hermetically sealing against the limb being treated. The second end can include a closed end or an access port that is releasably sealed with a clamping mechanism. Further, the device can include a controller that can inflate that housing, inflate the cuff seal and provide treatment gas to the interior, in response to pressures within the cuff seal and the housing. Further, the device can accommodate different types of wound treatments, such as hyperbaric therapy, compression therapy or negative pressure therapy.

Abstract: A containment arrangement for safely and effectively treating a wound on a patient without contaminating attending personnel. The arrangement comprises a patient receiving first enclosure having a patient contacting periphery, a pressurizable source in communication with the patient through a wall of the enclosure for enlarging the enclosure, and a sealing means arranged in the patient contacting periphery. A hand manipulable fluid discharge nozzle is extendably arranged through the enclosure for providing controllable treatment fluid to the wound on the patient within the enclosure.

Abstract: A method and apparatus for cyclic variations in altitude condition that allows a user to rest in a pressure vessel while undergoing rapid variations or transitions between simulated altitudes. The pressure vessel comprises a blower to generate negative pressure, and a proportional valve to allow air back into the pressure vessel in order to relieve the negative pressure. An on-board interface, kiosk controller and master controller are all in electrical communication with each other in order to enable a user to implement a program of cyclic variations in altitude conditioning that is suitable to the specific user, and enables an operator to bill the user for such services, as well as to allow the user to use a different pressure vessel without re-entering data, so long as such data was originally entered and stored, and the different pressure vessel is in electrical communication with the master controller.

Abstract: A wound treatment arrangement for the debriding and cleansing of a patient's body portion comprising: a flexible elongated body portion enclosure bag; an elongated nozzle arrangement securable to the inner surface of the elongated enclosure bag; a pressurized fluid treatment supply gun; and a connectable and releasable coupler member arranged on the proximal end of the nozzle arrangement so as to sealably receive a corresponding coupler arrangement on the fluid treatment supply gun.

Abstract: A method and apparatus for cyclic variations in altitude condition that allows a user to rest in a pressure vessel while undergoing rapid variations or transitions between simulated altitudes. The pressure vessel comprises a blower to generate negative pressure, and a proportional valve to allow air back into the pressure vessel in order to relieve the negative pressure. An on-board interface, kiosk controller and master controller are all in electrical communication with each other in order to enable a user to implement a program of cyclic variations in altitude conditioning that is suitable to the specific user, and enables an operator to bill the user for such services, as well as to allow the user to use a different pressure vessel without re-entering data, so long as such data was originally entered and stored, and the different pressure vessel is in electrical communication with the master controller.

Abstract: The invention to provide a carbon dioxide mist pressure bath system which is possible to cause the carbon dioxide mist to be absorbed efficiently through the skin and mucous membrane of the human living-body. The system comprises a carbon dioxide supply means 11; a liquid supply means 21; a carbon dioxide mist generating means 31 for pulverizing and dissolving carbon dioxide and the liquid to generate the carbon dioxide mist; a living-body cover member 41 for covering the skin and mucous membrane of the living-body and formed with a space of sealing inside the carbon dioxide mist generated by the carbon dioxide mist generating means 31; and a liquid circulation means 61 for again supplying a liquid collected in the carbon dioxide mist generating means 31 into the carbon dioxide mist generating means.

Abstract: The invention to provide a carbon dioxide mist pressure bath system which is possible to cause the carbon dioxide mist to be absorbed efficiently through the skin and mucous membrane of the human living-body. The system comprises a carbon dioxide supply means 11; a liquid supply means 21; a carbon dioxide mist generating means 31 for pulverizing and dissolving carbon dioxide and the liquid to generate the carbon dioxide mist; a living-body cover member 41 for covering the skin and mucous membrane of the living-body and formed with a space of sealing inside the carbon dioxide mist generated by the carbon dioxide mist generating means 31; a liquid circulation means 61 for again supplying a liquid collected in the carbon dioxide mist generating means 31 into the carbon dioxide mist generating means; and a pressurization means 81 for pressurizing the inside of the living-body cover member 41.

Abstract: A hazardous materials protective garment may use a two-stage evaporative cooling process to ease heat strain on the wearer of the garment. The garment may include an impermeable inner layer and a wicking outer layer. One or more reservoirs may be disposed interior to the inner layer for collecting condensed and/or unevaporated sweat. One or more pumps may move the sweat to the exterior of the impermeable layer for distribution in the wicking layer and evaporation from the garment.

Abstract: An overpressure protection system and method for a hyperbaric chamber having a secondary relief valve in pressure communication with a hyperbaric chamber and configured to actuate upon occurrence of a predetermined pressure condition. Actuation of the secondary relief valve causes an output signal to be delivered to a relay input, which results in actuation of an emergency vent valve to close an oxygen shutoff valve to terminate the flow of oxygen to the chamber. In the preferred embodiment, the predetermined pressure condition occurs when the chamber pressure exceeds the maximum chamber set point plus a predetermined pressure differential. In the preferred embodiment, the relay may be pneumatic or electromechanical.

Abstract: Described herein are various embodiments of differential air pressure systems and methods of using such systems. The differential air pressure system may comprise a chamber configured to receive a portion of a user's lower body and to create an air pressure differential upon the user's body. The differential air pressure system may further comprise a user seal that seal the pressure chamber to the user's body. The height of the user seal may be adjusted to accommodate users with various body heights.

Abstract: A portable chamber for hyperbaric/hypoxic treatment comprises a tubular body sized so as to accommodate an occupant. The tubular body is made of a non-rigid material. End frames are secured to opposed ends of the tubular body to close off the tubular body. One end frame has a door displaceable from a remainder of the end frame to provide/close access to an interior of the tubular body. Longitudinal beam members are connected at opposed ends to the end frames so as to maintain the tubular body in a taut condition between the end frames, whereby the portable chamber is in fluid communication with a pressure generator so as to receive an air supply from the pressure generator to increase a pressure in the interior of the tubular body for hyperbaric treatment.

Abstract: A human healing ability enhancing apparatus includes an airtight part that is capable of being airtight; a decompression pump that decompresses air pressure in the airtight part and communicates with an exhaust port of the airtight part; and an over-decompression prevention device for preventing over-decompression in which the air pressure in the airtight part is lower than a predetermined threshold air pressure.

Abstract: A cardiopulmonary resuscitation device that combines ventilation of a patient's lungs with chest compressions on the patient's sternum area. The device includes a self-inflating bag having a flat top side as a proper position on the self-inflating bag for applying force to the top side of the self-inflating bag, a flat bottom side on the self-inflating bag for properly positioning the bag on the patient's sternum area, an outlet port through which the content of the bag is forced when the flat top side of the bag is pushed toward the flat bottom side of the bag, a connector connecting the bag with a tube extending from the outlet port, a headband face mask for placement over the patient's mouth and nose, and a second connector positioned between the tube and the face mask.

Abstract: A euthanasia device is provided for euthanizing animals through hypoxia. The euthanasia device has a pressure adjustment vessel having an inner chamber and first and second ends. A chamber access door is in communication with the first end of the pressure adjustment vessel. Further an atmospheric pressure adjustment assembly and an atmospheric pressure control assembly are in communication with the pressure adjustment vessel. A method of use for the euthanasia device is also disclosed.

Abstract: In a first aspect, a monoplace hyperbaric chamber providing Venturi induced gas circulation and ventilation is disclosed. The chamber includes a control and monitoring system that offers reduced oxygen consumption, duplex pressure gauges, referenced flow control, a patient activated stop function, an independent pressure time recorder, and/or a precise pressure control circuit that uses a 1:1 forced-balanced volume amplifier adapted to supply gas to and exhaust gas from the chamber through different penetrators and/or use flow-control check valves supplied with static reference or set pressures. A computer control and monitoring subsystem is also disclosed. Numerous other aspects are provided.

Abstract: The invention is to provide a gas mist pressure bath system, which is possible to control the amount of gas and liquid, pressure and others, and cause a gas mist to be absorbed through a skin and mucous membrane of a human living-body under an optimum condition, in which a mist is prepared by pulverizing and dissolving carbon dioxide or oxygen or a mixed gas of carbon dioxide and Oxygen and a liquid at a density of not less than a predetermined value, and the thus prepared gas mist is directly contacted to the skin and mucous membrane of the living-body, the gas mist pressure bath system comprises a gas supply, a liquid supply, a gas mist supply for generating and supplying the gas mist prepared by the liquid nozzle of pulverizing and dissolving the gas supplied from the gas supply as well as the liquid supplied from the liquid supply, and the living body cover member of covering the skin and mucous membrane of the living-body and forming a space of sealing the gas mist inside thereof, and the gas mist pressu

Abstract: Disclosed are apparatus and method for delivering oxygen from an oxygen supply to a person in a convenient, sanitary and organized manner. The oxygen delivery system includes a rail attached to a surface of the room and a sliding trolley attached to the rail. An oxygen supply tube is attached to the oxygen supply and the trolley for transferring oxygen from the oxygen supply to the trolley. The system enables the person to move to various locations in the room while receiving oxygen from the oxygen supply through the oxygen supply tube, the trolley, a drop tube and a nasal cannula, or other breathing device connected to the trolley. The person may guide the trolley around the room by pulling the drop tube in the desired direction of travel.

Abstract: A portable hyperbaric chamber system includes a soft-sided, foldable hyperbaric chamber and a substantially rigid, removable, external support structure. The chamber generally includes a wall of a substantially non-breathable, soft-sided, and foldable material and an accessway sealable with a non-breathable closure so as to maintain a hyperbaric pressure within the chamber. The chamber also includes at least one fastener, such as a bolt or threaded stud, extending from the wall that permits the chamber to be removably attached to the support structure, thereby to maintain the chamber in an uncollapsed state when the chamber interior is not maintained at a hyperbaric pressure. The support structure includes structures complementary to the fasteners (e.g., apertures to pass bolts and locking knobs to secure bolts).

Abstract: A system and a method for treating pain in a patient suffering pain are provided. The method may include providing a system inhabitable by the patient in which pressure may be controlled. The patient may suffer from a pain inducing condition associated with a pressure change. The method may also include controlling the pressure of the environment that may be inhabited by the patient to prevent, reduce, or eliminate pressure change. The pain inducing condition may be prevented, reduced or eliminated.

Abstract: 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. During simulation, medical devices may be introduced to and/or diagnostics may be performed on the targeted vessel.

Abstract: New bed or a new cradle model to be used specifically in hospitals, clinics and similar facilities for babies, which presents a specific laminar air flow system, with controlled temperature and moisture, for the patient desired levels, which provides reduction of the contamination on the micro environment where it is placed, allowing its use by patients under critical and delicate condition, with easy access to the patients.

Abstract: A high output, powered air purifying respirator that includes an anti-contamination suit, a filter for filtering particulates from the air, a high powered blower for delivering a cool flow of air to the body, and a stabilization mechanism. The stabilization mechanism is configurable in either head mounted or back mounted modules as desired by a worker. The head mounted configuration facilitates stream lined mobility and includes a head mounted suspension system with a circular rail and roller bearing halo around the worker's head for stabilizing the blower/filter and allowing for rotation of the worker's head inside the halo. The invention also includes additional modules, also configurable by the user, such as personal hydration and independent camera and dosimeter support.

Abstract: In a first aspect, a therapy device is provided. The therapy device includes (1) a hyperbaric chamber adapted to expose at least a target tissue area of a patient to a hyperbaric environment; and (2) a light therapy device adapted to expose the target tissue area of the patient to one or more doses of light energy while the target tissue area is within the hyperbaric chamber. Numerous other aspects are provided.

Abstract: A pneumatic circuit and other components are provided for the operation of a medical device. The pneumatic circuit provides controlled pressurized air to a medical device for use during a medical procedure.

Abstract: An inflatable isolating cabin is provided for a patient to be isolated, and especially for a patient to be moved or transported, and the cabin can be formed after being inflated and collapsed into a solid form convenient for storage. It comprises a very tough and soft base, a flexible outer hood, an inflatable supporting structure, and a filtering means. Wherein a part of the periphery of the outer hood is fixedly connected with the base, and the other part is detachably connected with the base; the inflatable supporting structure is provided with at least one inflation inlet hole and after the inflation of the supporting structure, the outer hood is unfolded away from the base to form the cabin to allow a patient to lie therein.

Abstract: A hyperbaric oxygen chamber for treatment of large animals such as horses is disclosed. The chamber is large enough for a horse to fit inside and comfortably move around. A specially designed davit door, though quite heavy, is easily manipulated and may be used to corral the horse during ingress or egress, and is serviceable using fluorocarbon lubricants. The door, sidewalls, and floor of the hyperbaric chamber are coated with a static dissipative polyurethane material suitable for oxygen environments and may protect the horse from injury and prevent sparks. The flooring is specially designed to allow the horse to eliminate during treatment, and may be cleaned easily and thoroughly without disassembly. The control mechanisms of the hyperbaric chamber include electro-pneumatic controls, for avoiding a fire hazard.

Abstract: An interlock vessel having an air-tight body with opposing ends. A portion of the body is designed to fit into a decompression (hyperbaric) chamber, wherein a diver or a patient undergoing a decompression treatment is positioned. The opposing ends are closed by pivotally moveable doors and locking assemblies that retain the doors in a closed position until the pressure inside the decompression chamber and the exterior of the chamber can be equalized. The outer door has two locking systems: (a) an interlock system and (b) a safety/delay locking system. Both locking assemblies are manually operated.

Abstract: A device for increasing, monitoring, and measuring perspiration water and solid loss at reduced ambient pressure, comprising a sealed chamber capable of maintaining less than atmospheric pressure for an extended period of time and a gasket-sealed door accessing the chamber. The chamber provides a controlled hypobaric environment for treatment of various medical conditions. Internal controls of ambient pressure inside, temperature, humidity, oxygen, CO2 and other environmental conditions within the chamber are included, as well as a mechanism for recovering perspiration water loss from an occupant of the chamber. Methods for determining the perspiration volume of water and solid loss experienced by an occupant in the chamber are also disclosed including a computer program for determining quantity of sweat produced by the occupant of the chamber on a continuous basis. An algorithm allowing for continuous calculations of sweat loss and fluid replacement requirements of the occupant of the chamber is disclosed.

Abstract: A hyperbaric chamber includes a collapsible, pressurizable bladder and an inflatable support member supporting the bladder in a substantially uncollapsed configuration. The inflatable support member may be either internal or external to the bladder, and, in embodiments, is a rib with curvature corresponding generally to the uncollapsed shape of the bladder. A stiffening stave may provide additional support. The bladder further includes an accessway into the interior thereof and a substantially non-breathable closure on the accessway. The closure includes a substantially air-impermeable gasket sandwiched between first and second zippers. A reinforcing zipper may provide additional strength to the closure. Similarly, a reinforcing harness substantially surrounding the bladder may provide additional strength to the bladder. A source of compressed air is in fluid communication with the interior of the bladder, and a cooling source may also be provided.