US20110061838A1 - Human remains cooling pad and cooling system - Google Patents
Human remains cooling pad and cooling system Download PDFInfo
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- US20110061838A1 US20110061838A1 US12/558,121 US55812109A US2011061838A1 US 20110061838 A1 US20110061838 A1 US 20110061838A1 US 55812109 A US55812109 A US 55812109A US 2011061838 A1 US2011061838 A1 US 2011061838A1
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- Prior art keywords
- fluid
- cooling pad
- return
- cooling
- chilled
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/10—Cooling bags, e.g. ice-bags
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/0097—Blankets with active heating or cooling sources
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G17/00—Coffins; Funeral wrappings; Funeral urns
- A61G17/002—Coffins with cooling arrangements for the corpse
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G17/00—Coffins; Funeral wrappings; Funeral urns
- A61G17/007—Coffins; Funeral wrappings; Funeral urns characterised by the construction material used, e.g. biodegradable material; Use of several materials
- A61G17/0136—Plastic material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G17/00—Coffins; Funeral wrappings; Funeral urns
- A61G17/06—Sacks for corpses; Corpse wrappings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0054—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/02—Compresses or poultices for effecting heating or cooling
- A61F2007/0268—Compresses or poultices for effecting heating or cooling having a plurality of compartments being filled with a heat carrier
- A61F2007/0273—Compresses or poultices for effecting heating or cooling having a plurality of compartments being filled with a heat carrier with openings in the walls between the compartments serving as passageways for the filler
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G17/00—Coffins; Funeral wrappings; Funeral urns
- A61G17/007—Coffins; Funeral wrappings; Funeral urns characterised by the construction material used, e.g. biodegradable material; Use of several materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/46—General characteristics of devices characterised by sensor means for temperature
Definitions
- the present invention relates to a human remains cooling pad and cooling system to supply chilled fluid to the cooling pad.
- One embodiment of the present invention is a cooling pad that may be used for chilling human remains that has a first end and a second end, and an internal cavity that is segmented at the first end into a feed section and a return section.
- the pad further contains an inlet feed at the first end feed section for supplying chilled fluid into the feed section of the cooling pad and an outlet return at the first end return section for returning fluid to be chilled, located in the return section of the cooling pad.
- the cooling pad is configured to circulate chilled fluid from the feed section to the return section in a one-way flow arrangement.
- Another embodiment of the present invention is a scalable and portable human remains cooling system with a chiller unit having a chilled fluid supply, at least one primary fluid line divided into a primary fluid supply line and a primary fluid return line for providing a chilled fluid for cooling human remains and circulating warmed fluid back to the chiller for re-chilling.
- the system further has a flow divider manifold including a chilled fluid input having a series of chilled fluid output ports in fluid communication with the primary fluid supply line from the chiller for receiving and dispersing the chilled fluid supply and the manifold includes a warm fluid output including a series of warm fluid input ports in fluid communication with the primary fluid return line to the chiller unit for re-chilling.
- the system further contains a secondary fluid line that is divided into a secondary fluid supply line in fluid communication with one of the chilled fluid output ports and a secondary fluid return line in fluid communication with one of the warm fluid input ports.
- the system contains at least one cooling pad with a first end and a second end, an internal cavity that is segmented at the first end into a feed section and a return section, an inlet feed in fluid communication with the secondary fluid supply line located in the feed section and an outlet return in fluid communication with the secondary fluid return line located in the return section, where the cooling pad is configured to circulate chilled fluid from the feed section to the return section in a one-way flow arrangement.
- the chilled fluid in the system is circulated through the cooling pad and warmed fluid is returned to the chiller unit for re-chilling, such that the fluid moves in a continuous cycle.
- FIG. 1 is a perspective view of a human remains cooling system including a cooling pad that is connected to a cooling system in accordance with an embodiment of the present invention
- FIG. 2 is a perspective view of a flow divider manifold in accordance with an embodiment of the present invention
- FIG. 3 is a cross-sectional view of a primary fluid line in accordance with an embodiment of the present invention.
- FIGS. 4A and 4B are cross-sectional views of a cooling pad placed over human remains in accordance with an embodiment of the present invention
- FIG. 5 is a top view of a cooling pad placed over human remains in accordance with an embodiment of the present invention.
- FIG. 6 is a cross-sectional perspective view of a section of the cooling pad shown in FIG. 5 in accordance with an embodiment of the present invention.
- FIGS. 1 , 4 A, 4 B and 5 illustrate cooling pads 100 that may be adapted to a human remains cooling system 102 for cooling human remains in accordance with an embodiment of the present invention.
- Cooling pads 100 are provided with a chilled fluid from cooling system 102 that is circulated through cooling pads 100 and returned for re-chilling. Cooling pad 100 may help to maintain the temperature of human remains at about 30°-45° F. after death occurs for an indefinite period. Cooling pad 100 may be adapted to be in direct contact with either the top side or the bottom side of human remains. The system allows the remains to achieve preferred and predetermined constant ranges of cooling temperatures to be maintained.
- cooling system 102 includes a chiller unit 104 having a fluid container 106 holding a chilled fluid supply for circulating fluid through cooling pads 100 .
- a primary fluid line 108 divided into a primary fluid supply line 110 and a primary fluid return line 112 extends from chiller unit 104 for channeling the chilled fluid to cooling pads 100 and circulating warmed fluid back to chiller unit 104 for re-chilling.
- At least one flow divider manifold 114 is provided for channeling the chilled fluid through a plurality of cooling pads 100 .
- Flow divider manifold 114 includes a chilled fluid input 116 connecting manifold 114 in fluid communication with primary fluid supply line 110 .
- Chilled fluid input 116 is further in fluid communication with at least one chilled fluid output port 118 which is also in fluid communication with at least one secondary supply line 120 of a secondary fluid line 122 that provides chilled fluid to cooling pads 100 .
- chilled fluid input 116 may further be in fluid communication with chilled fluid manifold port 119 when more than one manifold 114 is utilized as shown in FIG. 1 .
- Flow divider manifold 114 also includes a warm fluid output 124 connecting manifold 114 in fluid communication with primary fluid return line 112 .
- Warm fluid output 124 is also in fluid communication with warm fluid input ports 125 which are in further fluid communication with secondary return line 126 of secondary fluid line 122 , for returning warmed fluid from cooling pads 100 for re-chilling.
- warm fluid output 124 may also be in fluid communication with warmed fluid manifold port 127 when more than one manifold is utilized as shown in FIG. 1 .
- At least one cooling pad 100 is provided in direct fluid communication with secondary supply line 120 for receiving the chilled fluid from chiller unit 104 .
- the cooling pad 100 is also connected in direct fluid communication with secondary return line 126 for returning warmed fluid to the chiller unit.
- cooling pad 100 may be adapted to a cooling system 102 , such that chilled fluid may be circulated through cooling pad 100 and warmed fluid may be returned to chilling unit 104 for re-chilling. The recirculation of chilled fluids helps to maintain the temperature of cooling pad 100 and the human remains to which cooling pad 100 makes direct contact.
- primary fluid line 108 may be constructed as shown in FIG. 3 .
- Primary fluid line 108 includes primary supply line 110 and primary return line 112 which are surrounded by an insulation layer 128 that is covered by a wear resistant layer 130 .
- Primary supply line 110 and primary return line 112 may be constructed, in some embodiments, of a polyvinyl chloride hose.
- Insulation layer 128 may be constructed of any material known in the art that will maintain the necessary temperature of the fluid in primary supply line 110 .
- insulation layer 128 may be made of a closed cell extruded foam, including polyisocyanurate or polyurethane.
- Wear resistant layer 130 may be made of any material known in the art for maintaining the integrity of the lines, for example an extruded PVC may be used as the wear resistant layer 130 .
- Primary fluid line 108 is also constructed such that primary supply line 110 and primary return line 112 are releaseably adhered and may be separated, so that the lines may properly enter different components of manifold 114 and chilling unit 104 , while still maintaining the insulation layer 128 and the wear resistant layer 130 .
- FIG. 3 makes reference to primary fluid line 108
- secondary fluid line 122 may be constructed in the same or similar manner and house secondary supply line 120 and secondary return line 126 with an insulation layer and a wear resistant layer.
- chiller unit 104 includes a refrigeration circuit for cooling the fluid to a temperature of between about 30°-45° F. In some embodiments, the temperature of the cooling pad is maintained between about 32°-42° F.
- a chiller unit of the type manufactured by Advantage Engineering, Inc. 525 East Stop 18 Road, Greenwood, Ind. 46142, can serve to provide and circulate a chilled fluid supply through a plurality of cooling pads 100 .
- the chilled fluid may be a glycol and water solution or other similar fluid to prevent freezing to maintain circulation of the fluid through the various supply lines and manifolds. In a particular embodiment, the chilled fluid includes approximately 30% by volume of glycol to prevent freezing.
- a fluid pump 132 is included in chiller unit 104 which pressurizes the system and forces the fluid through the supply lines and into cooling pads 100 , and circulates that fluid back to chiller unit 104 for re-chilling.
- pump 132 includes a stepping motor for adapting to changes in fluid level as cooling bags 100 are added or removed from manifold 114 .
- the system may be designed to hold sufficient fluid to support 28 cooling pads 100 with a 25 gallon fluid container 106 in chiller unit 104 .
- Chiller unit 104 may connect to ground-based power, but due to the limited power demands of the system, may be run on portable power generator units or batteries in remote locations.
- chiller unit 104 may include a temperature sensor and pressure display 134 operatively associated with the chilled fluid for monitoring the temperature of the fluid as it leaves the chiller unit for circulation through cooling pads 100 , as well as the pressure of the fluid in the lines.
- chiller unit 104 may be adapted to include an outlet pressure reducing valve 136 in fluid communication with primary fluid supply line 110 for creating a low flow pressure of the chilled fluid through the system 102 .
- the low flow pressure of the chilled fluid through primary fluid supply line 110 may be approximately 10 psi.
- primary fluid supply line 110 and primary fluid return line 112 may be approximately 1 inch in diameter for maintaining flow volume and pressure to flow divider manifold 114 under the low flow pressure condition of the system.
- secondary supply and return lines 120 and 126 may be approximately 3 ⁇ 8 inch in diameter for maintaining pressure and flow volume to circulate the fluid through cooling pad 100 .
- Chiller unit 104 may be constructed to allow for connection and disconnection of cooling pad 100 without having to shutdown the system 102 .
- secondary fluid supply line 120 and secondary fluid return line 126 are connected to flow divider manifold 114 using a quick connect coupling so that the supply and return lines may be connected and disconnected without turning off chiller unit 104 or having to use tools to complete the connections.
- quick connect couplings 138 are shown on secondary supply line 120 and secondary return line 126 for connecting with the complementary ports of manifold 114 .
- Quick connect couplings 138 include an internal lock, that when quick connect couplings 138 are properly situated over and pressed down on the complementary ports, couplings 138 are locked into fluid communication with either chilled fluid input 116 or warm fluid output 118 .
- Quick connect couplings 138 may be removed by actuating release 142 , and removing coupling 138 from the complementary port.
- a check valve (not shown) in the quick connect coupling 138 is closed to prevent fluid from leaking out of either secondary supply line 120 or secondary return line 126 .
- a plurality of flow divider manifolds 114 may be arranged in order to scale the system to the number of cooling pads 100 required by the user.
- Each manifold 114 is connected such that each chilled fluid input 116 of each manifold 114 is in fluid communication with primary fluid supply line 110 and each warm fluid output 124 is in fluid communication with primary return line 112 .
- lines are connected to manifolds 114 by being placed over ports of manifold 114 and held in place with the use of a hose clamp 146 .
- the connections between the lines and manifolds are accomplished using common quick connect couplings as described above.
- cooling pad 20 is connected in fluid communication with secondary fluid line 122 which is divided into secondary supply line 120 and secondary return line 126 as it reaches cooling pad 100 .
- secondary fluid line 122 which is divided into secondary supply line 120 and secondary return line 126 as it reaches cooling pad 100 .
- the chilled fluid As the chilled fluid enters cooling pad 100 through secondary supply line 120 , the chilled fluid is circulated through cooling pad 100 and back to chiller unit 104 through secondary return line 126 so that the human remains 148 are maintained at a desired temperature through direct cooling.
- cooling pad 100 may be equipped with additional coatings.
- cooling pad 100 may be coated with a layer of charcoal so as to absorb odors emitted from the human remains 148 placed underneath or on top of cooling pad 100 .
- cooling pad 100 includes a flow director 150 segmenting an interior fluid cavity 152 in cooling pad 100 into a feed section 154 and a return section 156 so that chilled fluid is circulated first through feed section 154 and then into return section 156 in a consecutive one-way flow arrangement.
- An opening at distal end 158 of cooling pad 100 is provided in flow director 150 so that fluid can pass from feed section 154 into return section 156 .
- flow director 150 may be formed by heat welding a top side 160 of cooling pad 100 to a bottom side 162 so that fluid cannot pass through flow director 150 .
- interior fluid cavity 152 of cooling pad 100 may include a plurality of fluid dispersion cells 164 for directing chilled fluid throughout feed section 154 and return section 156 .
- Fluid dispersion cells 164 may be formed by heat welding, as indicated by reference number 166 , top side 160 and bottom side 162 of cooling pad 100 in a staggered arrangement.
- Cooling pad 100 may be utilized alone to maintain a desired temperature of human remains. As shown in the figures, cooling pad 100 may be placed on top of human remains to provide proper cooling, but cooling pad 100 may also be utilized underneath human remains. For example, human remains may be placed on top of cooling pad 100 to allow the user to examine the remains but to still have the remains maintain a targeted temperature.
- cooling pad 100 may be utilized in connection with at least one additional item.
- cooling pad 100 may be used with cotton, linen or plastic sheeting, a body bag, a cardboard box, or a table shroud. These items may be used adjacent cooling pad 100 , outside the fluid cavity 152 . Each item may help to further ensure that human remains maintain the desired temperature.
- cooling pad 100 may be used with the items listed above, it need not be specifically integrated with these items in order to use both together. For example, a body bag would not have to first be integrated with a cooling pad 100 before it could be used in connection with cooling pad 100 . Instead, cooling pad 100 may be placed in any body bag, regardless of manufacturer or size, to provide the bag with the desired cooling properties as described above.
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Abstract
The present invention relates to a human remains cooling pad and cooling system to supply chilled fluid to a cooling pad.
Description
- The present invention relates to a human remains cooling pad and cooling system to supply chilled fluid to the cooling pad.
- One embodiment of the present invention is a cooling pad that may be used for chilling human remains that has a first end and a second end, and an internal cavity that is segmented at the first end into a feed section and a return section. The pad further contains an inlet feed at the first end feed section for supplying chilled fluid into the feed section of the cooling pad and an outlet return at the first end return section for returning fluid to be chilled, located in the return section of the cooling pad. The cooling pad is configured to circulate chilled fluid from the feed section to the return section in a one-way flow arrangement.
- Another embodiment of the present invention is a scalable and portable human remains cooling system with a chiller unit having a chilled fluid supply, at least one primary fluid line divided into a primary fluid supply line and a primary fluid return line for providing a chilled fluid for cooling human remains and circulating warmed fluid back to the chiller for re-chilling. The system further has a flow divider manifold including a chilled fluid input having a series of chilled fluid output ports in fluid communication with the primary fluid supply line from the chiller for receiving and dispersing the chilled fluid supply and the manifold includes a warm fluid output including a series of warm fluid input ports in fluid communication with the primary fluid return line to the chiller unit for re-chilling. The system further contains a secondary fluid line that is divided into a secondary fluid supply line in fluid communication with one of the chilled fluid output ports and a secondary fluid return line in fluid communication with one of the warm fluid input ports. Further, the system contains at least one cooling pad with a first end and a second end, an internal cavity that is segmented at the first end into a feed section and a return section, an inlet feed in fluid communication with the secondary fluid supply line located in the feed section and an outlet return in fluid communication with the secondary fluid return line located in the return section, where the cooling pad is configured to circulate chilled fluid from the feed section to the return section in a one-way flow arrangement. The chilled fluid in the system is circulated through the cooling pad and warmed fluid is returned to the chiller unit for re-chilling, such that the fluid moves in a continuous cycle.
- The accompanying drawings which are incorporated in and constitute a part of this specification, illustrate one or more embodiments of the invention, and together with the description, serve to explain the principles of the invention.
- A full and enabling disclosure of the present invention, including the best mode thereof directed to one of ordinary skill in the art, is set forth in the specification, which refers to the appended drawings, in which:
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FIG. 1 is a perspective view of a human remains cooling system including a cooling pad that is connected to a cooling system in accordance with an embodiment of the present invention; -
FIG. 2 is a perspective view of a flow divider manifold in accordance with an embodiment of the present invention; -
FIG. 3 is a cross-sectional view of a primary fluid line in accordance with an embodiment of the present invention; -
FIGS. 4A and 4B are cross-sectional views of a cooling pad placed over human remains in accordance with an embodiment of the present invention; -
FIG. 5 is a top view of a cooling pad placed over human remains in accordance with an embodiment of the present invention; and -
FIG. 6 is a cross-sectional perspective view of a section of the cooling pad shown inFIG. 5 in accordance with an embodiment of the present invention. - Repeat use of reference characters in the present specification and drawings is intended to represent same or analogous features or elements of the invention.
- Reference will now be made in detail to various embodiments of the invention, one or more examples of which are illustrated in the accompanying drawings. Each example is provided by way of explanation, not limitation, of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope and spirit thereof. For instance, features illustrated or described as part of one embodiment may be used on another embodiment to yield a still further embodiment. Thus, it is intended that the present invention covers such modifications and variations as come within the scope of the appended claims and their equivalents.
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FIGS. 1 , 4A, 4B and 5illustrate cooling pads 100 that may be adapted to a humanremains cooling system 102 for cooling human remains in accordance with an embodiment of the present invention.Cooling pads 100 are provided with a chilled fluid fromcooling system 102 that is circulated throughcooling pads 100 and returned for re-chilling.Cooling pad 100 may help to maintain the temperature of human remains at about 30°-45° F. after death occurs for an indefinite period.Cooling pad 100 may be adapted to be in direct contact with either the top side or the bottom side of human remains. The system allows the remains to achieve preferred and predetermined constant ranges of cooling temperatures to be maintained. - In the embodiment illustrated in
FIG. 1 ,cooling system 102 includes achiller unit 104 having afluid container 106 holding a chilled fluid supply for circulating fluid throughcooling pads 100. Aprimary fluid line 108 divided into a primaryfluid supply line 110 and a primaryfluid return line 112 extends fromchiller unit 104 for channeling the chilled fluid to coolingpads 100 and circulating warmed fluid back tochiller unit 104 for re-chilling. - Referring to
FIGS. 1 and 2 , at least oneflow divider manifold 114 is provided for channeling the chilled fluid through a plurality ofcooling pads 100.Flow divider manifold 114 includes a chilled fluid input 116 connectingmanifold 114 in fluid communication with primaryfluid supply line 110. Chilled fluid input 116 is further in fluid communication with at least one chilledfluid output port 118 which is also in fluid communication with at least onesecondary supply line 120 of asecondary fluid line 122 that provides chilled fluid to coolingpads 100. In some embodiments, chilled fluid input 116 may further be in fluid communication with chilledfluid manifold port 119 when more than onemanifold 114 is utilized as shown inFIG. 1 . -
Flow divider manifold 114 also includes awarm fluid output 124 connectingmanifold 114 in fluid communication with primaryfluid return line 112.Warm fluid output 124 is also in fluid communication with warmfluid input ports 125 which are in further fluid communication withsecondary return line 126 ofsecondary fluid line 122, for returning warmed fluid fromcooling pads 100 for re-chilling. In some embodiments,warm fluid output 124 may also be in fluid communication with warmedfluid manifold port 127 when more than one manifold is utilized as shown inFIG. 1 . - At least one
cooling pad 100 is provided in direct fluid communication withsecondary supply line 120 for receiving the chilled fluid fromchiller unit 104. Thecooling pad 100 is also connected in direct fluid communication withsecondary return line 126 for returning warmed fluid to the chiller unit. Accordingly,cooling pad 100 may be adapted to acooling system 102, such that chilled fluid may be circulated throughcooling pad 100 and warmed fluid may be returned to chillingunit 104 for re-chilling. The recirculation of chilled fluids helps to maintain the temperature ofcooling pad 100 and the human remains to whichcooling pad 100 makes direct contact. - In order to maintain the temperatures of the fluids within the lines and to avoid any substantial damage to the lines,
primary fluid line 108 may be constructed as shown inFIG. 3 .Primary fluid line 108 includesprimary supply line 110 andprimary return line 112 which are surrounded by aninsulation layer 128 that is covered by a wearresistant layer 130.Primary supply line 110 andprimary return line 112 may be constructed, in some embodiments, of a polyvinyl chloride hose.Insulation layer 128 may be constructed of any material known in the art that will maintain the necessary temperature of the fluid inprimary supply line 110. In some embodiments,insulation layer 128 may be made of a closed cell extruded foam, including polyisocyanurate or polyurethane. Wearresistant layer 130 may be made of any material known in the art for maintaining the integrity of the lines, for example an extruded PVC may be used as the wearresistant layer 130. -
Primary fluid line 108 is also constructed such thatprimary supply line 110 andprimary return line 112 are releaseably adhered and may be separated, so that the lines may properly enter different components ofmanifold 114 andchilling unit 104, while still maintaining theinsulation layer 128 and the wearresistant layer 130. AlthoughFIG. 3 makes reference toprimary fluid line 108,secondary fluid line 122 may be constructed in the same or similar manner and housesecondary supply line 120 andsecondary return line 126 with an insulation layer and a wear resistant layer. - In an embodiment,
chiller unit 104 includes a refrigeration circuit for cooling the fluid to a temperature of between about 30°-45° F. In some embodiments, the temperature of the cooling pad is maintained between about 32°-42° F. A chiller unit of the type manufactured by Advantage Engineering, Inc. 525 East Stop 18 Road, Greenwood, Ind. 46142, can serve to provide and circulate a chilled fluid supply through a plurality ofcooling pads 100. In some embodiments, the chilled fluid may be a glycol and water solution or other similar fluid to prevent freezing to maintain circulation of the fluid through the various supply lines and manifolds. In a particular embodiment, the chilled fluid includes approximately 30% by volume of glycol to prevent freezing. - Referring to
FIG. 1 , afluid pump 132 is included inchiller unit 104 which pressurizes the system and forces the fluid through the supply lines and intocooling pads 100, and circulates that fluid back tochiller unit 104 for re-chilling. In some embodiments,pump 132 includes a stepping motor for adapting to changes in fluid level ascooling bags 100 are added or removed frommanifold 114. In some embodiments, the system may be designed to hold sufficient fluid to support 28cooling pads 100 with a 25gallon fluid container 106 inchiller unit 104. Chillerunit 104 may connect to ground-based power, but due to the limited power demands of the system, may be run on portable power generator units or batteries in remote locations. In further embodiments,chiller unit 104 may include a temperature sensor andpressure display 134 operatively associated with the chilled fluid for monitoring the temperature of the fluid as it leaves the chiller unit for circulation throughcooling pads 100, as well as the pressure of the fluid in the lines. - In a further embodiment,
chiller unit 104 may be adapted to include an outletpressure reducing valve 136 in fluid communication with primaryfluid supply line 110 for creating a low flow pressure of the chilled fluid through thesystem 102. In some embodiments, the low flow pressure of the chilled fluid through primaryfluid supply line 110 may be approximately 10 psi. In a further embodiment, primaryfluid supply line 110 and primaryfluid return line 112 may be approximately 1 inch in diameter for maintaining flow volume and pressure to flowdivider manifold 114 under the low flow pressure condition of the system. Further, in some embodiments, secondary supply and returnlines cooling pad 100. -
Chiller unit 104 may be constructed to allow for connection and disconnection ofcooling pad 100 without having to shutdown thesystem 102. In some embodiments, secondaryfluid supply line 120 and secondaryfluid return line 126 are connected to flowdivider manifold 114 using a quick connect coupling so that the supply and return lines may be connected and disconnected without turning offchiller unit 104 or having to use tools to complete the connections. - Referring to
FIG. 2 , quick connect couplings 138 are shown onsecondary supply line 120 andsecondary return line 126 for connecting with the complementary ports ofmanifold 114. Quick connect couplings 138 include an internal lock, that when quick connect couplings 138 are properly situated over and pressed down on the complementary ports, couplings 138 are locked into fluid communication with either chilled fluid input 116 orwarm fluid output 118. Quick connect couplings 138 may be removed by actuatingrelease 142, and removing coupling 138 from the complementary port. When quick connect couplings 138 are removed from a complementary port, a check valve (not shown) in the quick connect coupling 138 is closed to prevent fluid from leaking out of eithersecondary supply line 120 orsecondary return line 126. Although the invention is described using the particular quick connect coupling described above, those of ordinary skill in the art will recognize that other quick connect couplings, which produce the same or similar results, may be used in additional embodiments. - As shown in
FIG. 1 , a plurality offlow divider manifolds 114 may be arranged in order to scale the system to the number ofcooling pads 100 required by the user. Each manifold 114 is connected such that each chilled fluid input 116 of each manifold 114 is in fluid communication with primaryfluid supply line 110 and eachwarm fluid output 124 is in fluid communication withprimary return line 112. In some embodiments, as shown inFIG. 2 , lines are connected to manifolds 114 by being placed over ports ofmanifold 114 and held in place with the use of ahose clamp 146. In other embodiments, the connections between the lines and manifolds are accomplished using common quick connect couplings as described above. - Referring to
FIGS. 4A and 4B , cooling pad 20 is connected in fluid communication withsecondary fluid line 122 which is divided intosecondary supply line 120 andsecondary return line 126 as it reaches coolingpad 100. As the chilled fluid enters coolingpad 100 throughsecondary supply line 120, the chilled fluid is circulated throughcooling pad 100 and back tochiller unit 104 throughsecondary return line 126 so that the human remains 148 are maintained at a desired temperature through direct cooling. In some embodiments, coolingpad 100 may be equipped with additional coatings. For example, in one embodiment, coolingpad 100 may be coated with a layer of charcoal so as to absorb odors emitted from the human remains 148 placed underneath or on top of coolingpad 100. - Referring to
FIGS. 5 and 6 , in an embodiment of the present invention, coolingpad 100 includes aflow director 150 segmenting aninterior fluid cavity 152 incooling pad 100 into afeed section 154 and areturn section 156 so that chilled fluid is circulated first throughfeed section 154 and then intoreturn section 156 in a consecutive one-way flow arrangement. An opening atdistal end 158 ofcooling pad 100 is provided inflow director 150 so that fluid can pass fromfeed section 154 intoreturn section 156. As shown inFIG. 6 ,flow director 150 may be formed by heat welding atop side 160 ofcooling pad 100 to abottom side 162 so that fluid cannot pass throughflow director 150. - In a further embodiment,
interior fluid cavity 152 ofcooling pad 100 may include a plurality offluid dispersion cells 164 for directing chilled fluid throughoutfeed section 154 andreturn section 156.Fluid dispersion cells 164 may be formed by heat welding, as indicated byreference number 166,top side 160 andbottom side 162 ofcooling pad 100 in a staggered arrangement. -
Cooling pad 100 may be utilized alone to maintain a desired temperature of human remains. As shown in the figures,cooling pad 100 may be placed on top of human remains to provide proper cooling, but coolingpad 100 may also be utilized underneath human remains. For example, human remains may be placed on top of coolingpad 100 to allow the user to examine the remains but to still have the remains maintain a targeted temperature. - In other embodiments, cooling
pad 100 may be utilized in connection with at least one additional item. For example, in some embodiments, coolingpad 100 may be used with cotton, linen or plastic sheeting, a body bag, a cardboard box, or a table shroud. These items may be usedadjacent cooling pad 100, outside thefluid cavity 152. Each item may help to further ensure that human remains maintain the desired temperature. - Although cooling
pad 100 may be used with the items listed above, it need not be specifically integrated with these items in order to use both together. For example, a body bag would not have to first be integrated with acooling pad 100 before it could be used in connection withcooling pad 100. Instead, coolingpad 100 may be placed in any body bag, regardless of manufacturer or size, to provide the bag with the desired cooling properties as described above. - These and other modifications and variations to the present invention may be practiced by those of ordinary skill in the art, without departing from the spirit and scope of the present invention, which is more particularly set forth in the appended claims. In addition, it should be understood that aspects of the various embodiments may be interchanged both in whole and in part. Furthermore, those of ordinary skill in the art will appreciate that the foregoing description is by way of example only, and is not intended to limit the invention so further described in such appended claims. Therefore, the spirit and scope of the appended claims should not be limited to the description of the preferred versions contained therein.
Claims (20)
1. A cooling pad for chilling human remains, the cooling pad comprising:
a first end and a second end;
an internal cavity that is segmented at the first end into a feed section and a return section;
an inlet feed at the first end, feed section for supplying chilled fluid into the feed section of the cooling pad; and
an outlet return at the first end, return section for returning fluid to be chilled, located in the return section of the cooling pad,
wherein the cooling pad is configured to circulate chilled fluid from the feed section to the return section in a one-way flow arrangement.
2. The cooling pad of claim 1 , wherein the internal cavity further comprises a series of fluid dispersion cells for directing the chilled fluid throughout the feed section and return section.
3. The cooling pad of claim 1 , wherein the cooling pad may be inserted into a body bag to aid in chilling human remains.
4. The cooling pad of claim 1 , wherein the chilled fluid supplied by inlet feed is at a temperature between about 30° and 45° F.
5. The cooling pad of claim 1 , wherein the chilled fluid includes about 30% by volume glycol to prevent freezing.
6. The cooling pad of claim 1 , wherein the diameter of the inlet and outlet ports are approximately 0.375 inches.
7. The cooling pad of claim 1 , wherein the cooling pad may make direct contact with human remains.
8. The cooling pad of claim 7 , wherein the cooling pad may be located above or below the human remains.
9. The cooling pad of claim 1 , further comprising a charcoal filter layer outside of the internal cavity.
10. The cooling pad of claim 1 , wherein the inlet feed and outlet return comprise:
a polyvinyl chloride hose for passing fluid;
a closed cell extruded foam concentrically situated around the hose; and
a polyvinyl outer cover concentrically situated around the extruded foam.
11. A cooling pad for chilling human remains, the cooling pad comprising:
a first end and a second end;
an internal cavity that is segmented at the first end into a feed section and a return section;
an inlet feed and an outlet return comprising:
a polyvinyl chloride hose for passing fluid;
a closed cell extruded foam concentrically situate around the hose; and
a polyvinyl chloride outer cover concentrically situated around the extruded foam,
wherein the inlet feed is located at the first end, feed section and supplies chilled fluid into the feed section of the cooling pad, and
wherein the outlet return is located at the first end, return section and returns fluid to be chilled, located in the return section of the cooling pad; and
wherein the cooling pad is configured to circulate chilled fluid from the feed section to the return section in a one-way flow arrangement.
12. The cooling pad of claim 11 , wherein the inlet feed and outlet return are releaseably adhered together at a portion outside the internal cavity of the cooling pad.
13. A scalable and portable human remains cooling system comprising:
a chiller unit having a chilled fluid supply, at least one primary fluid line divided into a primary fluid supply line and a primary fluid return line for providing a chilled fluid for cooling human remains and circulating warmed fluid back to the chiller for re-chilling;
a flow divider manifold including a chilled fluid input having a series of chilled fluid output ports in fluid communication with the primary fluid supply line from the chiller for receiving and dispersing the chilled fluid supply and wherein the manifold includes a warm fluid output including a series of warm fluid input ports in fluid communication with the primary fluid return line to the chiller unit for re-chilling;
at least one secondary fluid line including a secondary fluid supply line in fluid communication with one of the chilled fluid output ports and a secondary fluid return line in fluid communication with one of the warm fluid input ports; and
at least one cooling pad including:
a first end and a second end;
an internal cavity that is segmented at the first end into a feed section and a return section;
an inlet feed in fluid communication with the secondary fluid supply line, located in the feed section;
an outlet return in fluid communication with a secondary fluid return line, located in the return section;
wherein the cooling pad is configured to circulate chilled fluid from the feed section to the return section in a one-way flow arrangement,
wherein the chilled fluid is circulated through the cooling pad and warmed fluid is returned to the chiller unit for re-chilling, such that the fluid moves in a continuous cycle.
14. The cooling system of claim 13 , wherein the chilled fluid includes about 30% by volume glycol to prevent freezing.
15. The cooling system of claim 13 , wherein the primary fluid supply line and primary fluid return line comprise:
a polyvinyl chloride hose for passing fluid;
a closed cell extruded foam concentrically situated around the hose; and
a polyvinyl outer cover concentrically situated around the extruded foam.
16. The cooling system of claim 13 , wherein the chilled fluid supplied is at a temperature between about 30° and 45° F.
17. The cooling system of claim 13 , wherein the secondary fluid supply line and secondary fluid return line comprise quick connect couplings for receiving either chilled fluid output ports or warm fluid input ports.
18. The cooling system of claim 13 , wherein the chiller unit includes an outlet pressure reducing valve in fluid communication with the primary fluid supply line for providing a low flow pressure of the chilled fluid through the system.
19. The cooling system of claim 18 , wherein the primary fluid supply line and primary fluid return line are about 1 inch diameter for maintaining flow volume and pressure to the flow divider manifold.
20. The cooling system of claim 13 , wherein the cooling pad may be inserted into a body bag to aid in chilling remains.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/558,121 US20110061838A1 (en) | 2009-09-11 | 2009-09-11 | Human remains cooling pad and cooling system |
PCT/US2010/048383 WO2011031938A2 (en) | 2009-09-11 | 2010-09-10 | Human remains cooling pad and cooling system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/558,121 US20110061838A1 (en) | 2009-09-11 | 2009-09-11 | Human remains cooling pad and cooling system |
Publications (1)
Publication Number | Publication Date |
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US20110061838A1 true US20110061838A1 (en) | 2011-03-17 |
Family
ID=43216964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/558,121 Abandoned US20110061838A1 (en) | 2009-09-11 | 2009-09-11 | Human remains cooling pad and cooling system |
Country Status (2)
Country | Link |
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US (1) | US20110061838A1 (en) |
WO (1) | WO2011031938A2 (en) |
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US20120267070A1 (en) * | 2011-04-22 | 2012-10-25 | Kevin Mack | Beverage transport assembly |
WO2022164906A1 (en) * | 2021-01-26 | 2022-08-04 | C.R. Bard, Inc. | Systems methods and apparatus for application of targeted temperature management therapy utilizing concentric in/out cable |
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Also Published As
Publication number | Publication date |
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WO2011031938A3 (en) | 2011-04-28 |
WO2011031938A2 (en) | 2011-03-17 |
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