US20090151366A1 - Refrigerated Specimen Carrier Bag - Google Patents
Refrigerated Specimen Carrier Bag Download PDFInfo
- Publication number
- US20090151366A1 US20090151366A1 US12/234,590 US23459008A US2009151366A1 US 20090151366 A1 US20090151366 A1 US 20090151366A1 US 23459008 A US23459008 A US 23459008A US 2009151366 A1 US2009151366 A1 US 2009151366A1
- Authority
- US
- United States
- Prior art keywords
- bag
- interior
- specimen
- battery powered
- refrigerator unit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/003—Transport containers
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/02—Interior fittings; Means, e.g. inserts, for holding and packing articles
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C15/00—Purses, bags, luggage or other receptacles covered by groups A45C1/00 - A45C11/00, combined with other objects or articles
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C3/00—Flexible luggage; Handbags
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C2011/007—Receptacles for personal medical or care products, e.g. drugs, condoms or patches; Small first-aid kits
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C2200/00—Details not otherwise provided for in A45C
- A45C2200/10—Transparent walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
- F25D2331/80—Type of cooled receptacles
- F25D2331/801—Bags
- F25D2331/8014—Bags for medical use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/12—Portable refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/006—Other cooling or freezing apparatus specially adapted for cooling receptacles, e.g. tanks
Definitions
- the invention relates to refrigerated carrier bags for transportation of temperature sensitive materials, such as but not limited to the shipping of clinical laboratory specimens.
- clinical laboratory specimens are shipped from a specimen collection location, e.g. a physician's office, to a specimen analysis location, e.g. a clinical laboratory.
- a specimen collection location e.g. a physician's office
- a specimen analysis location e.g. a clinical laboratory.
- clinical specimens which require refrigeration during transport are placed in a larger insulated container which protects the clinical specimens against ambient heat, or may be packaged in a transport bag or container together with a passive coolant material such as dry ice or the commercially available “blue ice” cooling units.
- a passive coolant material such as dry ice or the commercially available “blue ice” cooling units.
- the inclusion of frozen material makes the bags heavy and cumbersome.
- the cold cooling material must be on hand at the shipping location for inclusion in the carrier bag or container whenever needed.
- the present invention provides a small, light weight preferably disposable refrigerator unit of a type which may be kept on hand at the shipping location without concern for loss of cooling capacity during storage of the refrigerator unit. That is, the refrigerator units may be kept on-hand without need for refrigerating the refrigerator units.
- the refrigerator unit When a clinical specimen is prepared for transport to a clinical laboratory or other remote destination, the refrigerator unit is activated and operatively coupled to a carrier bag or carrier container in which is deposited the clinical specimen.
- the refrigerator unit provides cooling to the interior of the carrier bag or container during transport to its destination at the remote location.
- the refrigerator unit delivers a flow of refrigerated air to the interior of the specimen bag during transport.
- the refrigerator unit is operated with a battery driven compressor circulating a working fluid such as freon.
- the refrigerator unit is operated with a battery powered thermoelectric heat pump.
- the invention is not limited to the transportation of clinical laboratory specimens but is generally applicable to the refrigerated packaging of any products or materials, for purposes of shipping, transportation or other purpose.
- FIG. 1 is a schematic diagram in longitudinal cross section of a refrigerator unit according to this invention in association with a specimen carrier bag provided with a self resealing closure perforable by the cold air pipette of the refrigerator unit.
- FIG. 2 is a front view of a typical air blower fan such as is incorporated in the refrigerator unit of FIG. 1 .
- FIG. 3 is a schematic sections diagram in longitudinal cross section of an alternate form of the refrigerator unit according to this invention which operates on the basis of a battery powered thermoelectric heat pump.
- FIG. 1 shows a presently preferred embodiment of the invention where refrigeration unit 10 is provided for cooling the contents of a clinical specimen carrier or transport bag 12 .
- the carrier bag 12 may be a conventional envelope-type transport bag comprised of two side walls of thermally insulating material joined along three sides and sealable along a fourth side. In FIG. 1 the bag 12 is only partially shown for convenience of illustration.
- the refrigerator unit 10 has a tubular exterior housing 14 in which is provided a compressor 16 configured for circulating a thermodynamic working fluid such as freon through a cooling coil 18 .
- a thermodynamic working fluid such as freon
- a fan or blower 20 drives air cooled by coil 18 , as suggested by the arrows, towards a cold air outlet 22 fitted with a pipette 24 which extends to the exterior of the refrigerator housing 14 .
- FIG. 2 of the drawings shows a frontal view of the fan 20 as having a rectangular baffle 20 a , a four bladed fan rotor 20 b on a motor driven hub 20 c.
- a battery 26 is provided in refrigerator unit 10 and is connected by suitable wiring (not shown in the drawing) to compressor 16 for powering the compressor 16 when refrigerator 10 is activated.
- a power switch or equivalent means are provided on refrigerator unit 10 for activating the compressor 16 when needed.
- the refrigerator unit 10 is operatively coupled to the specimen transport bag 12 by inserting the tip 24 a of the cold air outlet pipette 24 through a side wall 12 a of the specimen bag 12 and into the interior of bag 12 .
- the side wall 12 a may be provided with a perforable closure 30 which may be a self-resealing perforable closure of elastomeric material.
- the refrigerator unit 10 is coupled to bag 12 by forcing tip 24 a of pipette 24 through the closure 30 and into the interior of carrier bag 12 , such that cold air forced by fan 20 through pipette 24 is discharged into the bag 12 .
- Small vent openings 32 may be provided on side wall 12 a to facilitate venting of air from the bag interior so that initially relatively warm air in the bag 12 is more easily forced out and exhausted from the bag and replaced by colder air delivered through pipette 24 .
- the refrigerator unit 10 may be attached to bag 12 during transport by any convenient means, including adhesive, velcro, plastic ties, clips and the like.
- the refrigerator unit 10 if manufactured in sufficient quantity, could be of sufficiently low cost as to be disposable or recyclable after a single use, i.e., used for cooling the interior of bag 12 during a single specimen transport operation.
- thermoelectric refrigerator unit 10 ′ is shown in FIG. 3 , where the compressor 16 of FIG. 1 is replaced by a thermoelectric cooling element 40 powered by battery 42 , and arranged and configured for drawing heat from the interior of refrigerator housing 14 and discharging heat to the ambient environment of the housing 14 , as by a suitable heat exchanger (not shown) exterior to housing 14 .
- Battery 42 also powers an air blower fan 20 which drives air cooled by thermoelectric device 40 towards the left end of refrigerator housing 14 which has a cold air outlet 22 fitted with a pipette 22 as explained above in connection with unit 10 of FIG. 1 .
- thermoelectric cooler 40 is of a type operating on principles generally known and understood, as similar thermoelectric coolers are commercially available and are used in low cost refrigerators. In general the thermoelectric cooler device is electrically powered and has one side which cools while electric power is supplied while an opposite side of the device rises in temperature. However, for purposes of this invention the thermoelectric device is made small and operable by a relatively small battery.
- the refrigerator unit 10 ′ of FIG. 3 is used and in a manner similar to that described above for the compressor version of refrigerator unit 10 for purposes of cooling the contents of a carrier bag 12 or the interior of another container.
Abstract
A specimen carrier bag of the type useful for transporting clinical specimens from a specimen collection site to a laboratory site for analysis is provided with a small, light weight preferably disposable refrigerator unit which can be stored for extended periods without loss of cooling capacity and activated for cooling specimens in the carrier bag during transport, thereby avoiding the need to keep dry ice on hand for this purpose. In presently preferred embodiments the refrigerator unit has a battery driven compressor for circulating a working fluid such as freon or a battery powered thermoelectric heat pump.
Description
- This application claims priority to provisional patent application 60/974,076 filed Sep. 20, 2007
- The invention relates to refrigerated carrier bags for transportation of temperature sensitive materials, such as but not limited to the shipping of clinical laboratory specimens.
- Currently limited options exist for the transportation of temperature sensitive products and materials. In general, these options are largely limited to use of insulating packaging and cooling of the package contents with ice and the like.
- For example, clinical laboratory specimens are shipped from a specimen collection location, e.g. a physician's office, to a specimen analysis location, e.g. a clinical laboratory. Currently clinical specimens which require refrigeration during transport are placed in a larger insulated container which protects the clinical specimens against ambient heat, or may be packaged in a transport bag or container together with a passive coolant material such as dry ice or the commercially available “blue ice” cooling units. The inclusion of frozen material makes the bags heavy and cumbersome. Also the cold cooling material must be on hand at the shipping location for inclusion in the carrier bag or container whenever needed.
- The present invention provides a small, light weight preferably disposable refrigerator unit of a type which may be kept on hand at the shipping location without concern for loss of cooling capacity during storage of the refrigerator unit. That is, the refrigerator units may be kept on-hand without need for refrigerating the refrigerator units.
- When a clinical specimen is prepared for transport to a clinical laboratory or other remote destination, the refrigerator unit is activated and operatively coupled to a carrier bag or carrier container in which is deposited the clinical specimen. The refrigerator unit provides cooling to the interior of the carrier bag or container during transport to its destination at the remote location. In a presently preferred embodiment, the refrigerator unit delivers a flow of refrigerated air to the interior of the specimen bag during transport.
- In one form of the invention the refrigerator unit is operated with a battery driven compressor circulating a working fluid such as freon.
- In another form of the invention the refrigerator unit is operated with a battery powered thermoelectric heat pump.
- The invention is not limited to the transportation of clinical laboratory specimens but is generally applicable to the refrigerated packaging of any products or materials, for purposes of shipping, transportation or other purpose.
-
FIG. 1 is a schematic diagram in longitudinal cross section of a refrigerator unit according to this invention in association with a specimen carrier bag provided with a self resealing closure perforable by the cold air pipette of the refrigerator unit. -
FIG. 2 is a front view of a typical air blower fan such as is incorporated in the refrigerator unit ofFIG. 1 . -
FIG. 3 is a schematic sections diagram in longitudinal cross section of an alternate form of the refrigerator unit according to this invention which operates on the basis of a battery powered thermoelectric heat pump. - With reference to the accompanying drawings in which like elements are designated by like numerals,
FIG. 1 shows a presently preferred embodiment of the invention whererefrigeration unit 10 is provided for cooling the contents of a clinical specimen carrier ortransport bag 12. Thecarrier bag 12 may be a conventional envelope-type transport bag comprised of two side walls of thermally insulating material joined along three sides and sealable along a fourth side. InFIG. 1 thebag 12 is only partially shown for convenience of illustration. - The
refrigerator unit 10 has a tubularexterior housing 14 in which is provided acompressor 16 configured for circulating a thermodynamic working fluid such as freon through acooling coil 18. Appropriate provision, not shown in the drawings, is made for venting heat from the working fluid to the outside environment exterior to theunit 10. A fan orblower 20 drives air cooled bycoil 18, as suggested by the arrows, towards acold air outlet 22 fitted with apipette 24 which extends to the exterior of therefrigerator housing 14.FIG. 2 of the drawings shows a frontal view of thefan 20 as having arectangular baffle 20 a, a fourbladed fan rotor 20 b on a motor drivenhub 20 c. - A
battery 26 is provided inrefrigerator unit 10 and is connected by suitable wiring (not shown in the drawing) tocompressor 16 for powering thecompressor 16 whenrefrigerator 10 is activated. A power switch or equivalent means (not shown) are provided onrefrigerator unit 10 for activating thecompressor 16 when needed. - The
refrigerator unit 10 is operatively coupled to thespecimen transport bag 12 by inserting thetip 24 a of the coldair outlet pipette 24 through aside wall 12 a of thespecimen bag 12 and into the interior ofbag 12. For this purpose, theside wall 12 a may be provided with aperforable closure 30 which may be a self-resealing perforable closure of elastomeric material. Therefrigerator unit 10 is coupled tobag 12 by forcingtip 24 a ofpipette 24 through theclosure 30 and into the interior ofcarrier bag 12, such that cold air forced byfan 20 throughpipette 24 is discharged into thebag 12.Small vent openings 32 may be provided onside wall 12 a to facilitate venting of air from the bag interior so that initially relatively warm air in thebag 12 is more easily forced out and exhausted from the bag and replaced by colder air delivered throughpipette 24. - The
refrigerator unit 10 may be attached tobag 12 during transport by any convenient means, including adhesive, velcro, plastic ties, clips and the like. - It is contemplated that the
refrigerator unit 10, if manufactured in sufficient quantity, could be of sufficiently low cost as to be disposable or recyclable after a single use, i.e., used for cooling the interior ofbag 12 during a single specimen transport operation. - In an alternate embodiment of the invention, a
thermoelectric refrigerator unit 10′ is shown inFIG. 3 , where thecompressor 16 ofFIG. 1 is replaced by athermoelectric cooling element 40 powered bybattery 42, and arranged and configured for drawing heat from the interior ofrefrigerator housing 14 and discharging heat to the ambient environment of thehousing 14, as by a suitable heat exchanger (not shown) exterior tohousing 14.Battery 42 also powers anair blower fan 20 which drives air cooled bythermoelectric device 40 towards the left end ofrefrigerator housing 14 which has acold air outlet 22 fitted with apipette 22 as explained above in connection withunit 10 ofFIG. 1 . Apower switch 44 is connected for switching electrical power frombattery 42 tothermoelectric cooler 40 to place theunit 10′ into service for cooling a carrier bag such asbag 12 ofFIG. 1 . Thethermoelectric cooler device 40 is of a type operating on principles generally known and understood, as similar thermoelectric coolers are commercially available and are used in low cost refrigerators. In general the thermoelectric cooler device is electrically powered and has one side which cools while electric power is supplied while an opposite side of the device rises in temperature. However, for purposes of this invention the thermoelectric device is made small and operable by a relatively small battery. Therefrigerator unit 10′ ofFIG. 3 is used and in a manner similar to that described above for the compressor version ofrefrigerator unit 10 for purposes of cooling the contents of acarrier bag 12 or the interior of another container. - While particular embodiments of the invention have been shown and illustrated for purposes of clarity and example it should be understood that many changes, modifications and substitutions thereto will be apparent to those having only ordinary skill in the art without departing from the scope and spirit of the following claims.
Claims (6)
1. A refrigerated carrier bag for use in transport of clinical laboratory specimens and the like, comprising:
a bag of thermally insulating material with a bag opening for providing access into a bag interior; and
a portable battery powered refrigerator unit operatively coupled to said bag for cooling said bag interior thereby to refrigerate any contents placed in said bag.
2. The refrigerated carrier bag of claim 1 wherein said battery powered refrigerator unit comprises a thermoelectric cooling device
3. The refrigerated carrier bag of claim 1 wherein said battery powered refrigerator unit comprises a compressor for circulating a working fluid in a refrigeration cycle.
4. The refrigerated carrier bag of claim 1 wherein said battery powered refrigerator is external to said bag and is fluidically connected for delivering refrigerated air to said bag interior.
5. The refrigerated carrier bag of claim 1 wherein said battery powered refrigerator is relatively small and lightweight for convenient carrying together with said bag by a person.
6. A method for transporting a clinical laboratory specimen from a specimen collection site to a laboratory location comprising the steps of:
providing at said specimen collection site a carrier bag of thermally insulating material with a bag opening for providing access into an interior of said bag;
obtaining and placing a clinical laboratory specimen in said interior of the bag;
closing said bag:
coupling and activating a battery powered refrigerator for cooling said specimen in said interior of said bag; and
carrying said bag to said laboratory location with said refrigerator activated and coupled to said bag.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/234,590 US20090151366A1 (en) | 2007-09-20 | 2008-09-19 | Refrigerated Specimen Carrier Bag |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US97407607P | 2007-09-20 | 2007-09-20 | |
US12/234,590 US20090151366A1 (en) | 2007-09-20 | 2008-09-19 | Refrigerated Specimen Carrier Bag |
Publications (1)
Publication Number | Publication Date |
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US20090151366A1 true US20090151366A1 (en) | 2009-06-18 |
Family
ID=40751452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/234,590 Abandoned US20090151366A1 (en) | 2007-09-20 | 2008-09-19 | Refrigerated Specimen Carrier Bag |
Country Status (1)
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US (1) | US20090151366A1 (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4015182A (en) * | 1974-06-24 | 1977-03-29 | General Electric Company | Refrigeration system and control therefor |
US5661978A (en) * | 1994-12-09 | 1997-09-02 | Pyxis Corporation | Medical dispensing drawer and thermoelectric device for cooling the contents therein |
US5865032A (en) * | 1996-07-02 | 1999-02-02 | Emerging Technology Systems, L.L.C. | Thermoelectric medicine cooling bag |
US6516625B2 (en) * | 2000-10-13 | 2003-02-11 | Mark Bedard | Juice dispensing apparatus |
US6794182B2 (en) * | 2000-03-13 | 2004-09-21 | E. George Wolf, Jr. | Hyperbaric oxygen organ preservation system (HOOPS) |
US6823678B1 (en) * | 2003-12-22 | 2004-11-30 | Ferrotec (Usa) Corporation | Air conditioner system for flexible material-based devices |
US7325405B1 (en) * | 2004-08-05 | 2008-02-05 | Henderson Anthony C | Utensil cooling device |
US7597196B2 (en) * | 2006-06-08 | 2009-10-06 | Phyllis Langone | Insulated medication carrying case |
US7861538B2 (en) * | 2006-07-26 | 2011-01-04 | The Aerospace Corporation | Thermoelectric-based refrigerator apparatuses |
-
2008
- 2008-09-19 US US12/234,590 patent/US20090151366A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4015182A (en) * | 1974-06-24 | 1977-03-29 | General Electric Company | Refrigeration system and control therefor |
US5661978A (en) * | 1994-12-09 | 1997-09-02 | Pyxis Corporation | Medical dispensing drawer and thermoelectric device for cooling the contents therein |
US5865032A (en) * | 1996-07-02 | 1999-02-02 | Emerging Technology Systems, L.L.C. | Thermoelectric medicine cooling bag |
US6794182B2 (en) * | 2000-03-13 | 2004-09-21 | E. George Wolf, Jr. | Hyperbaric oxygen organ preservation system (HOOPS) |
US6516625B2 (en) * | 2000-10-13 | 2003-02-11 | Mark Bedard | Juice dispensing apparatus |
US6823678B1 (en) * | 2003-12-22 | 2004-11-30 | Ferrotec (Usa) Corporation | Air conditioner system for flexible material-based devices |
US7325405B1 (en) * | 2004-08-05 | 2008-02-05 | Henderson Anthony C | Utensil cooling device |
US7597196B2 (en) * | 2006-06-08 | 2009-10-06 | Phyllis Langone | Insulated medication carrying case |
US7861538B2 (en) * | 2006-07-26 | 2011-01-04 | The Aerospace Corporation | Thermoelectric-based refrigerator apparatuses |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |