US20050199648A1 - Fluid despensing methods, systems and devices - Google Patents

Fluid despensing methods, systems and devices Download PDF

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Publication number
US20050199648A1
US20050199648A1 US11/077,476 US7747605A US2005199648A1 US 20050199648 A1 US20050199648 A1 US 20050199648A1 US 7747605 A US7747605 A US 7747605A US 2005199648 A1 US2005199648 A1 US 2005199648A1
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US
United States
Prior art keywords
collection point
fluid
dam
reservoir
flexible lamina
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
Application number
US11/077,476
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English (en)
Inventor
Dean Schiller
Stephen Kuhn
Timothy Covington
Frank Beninsig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US11/077,476 priority Critical patent/US20050199648A1/en
Publication of US20050199648A1 publication Critical patent/US20050199648A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3294—Thermoformed trays or the like with a plurality of recesses for different materials located in different recesses

Definitions

  • the present invention relates generally to product packaging. More specifically, embodiments of the present invention relates to methods, systems and devices for packaging, mixing and or dispensing components such as: aqueous solutions; dry or semi-dry reagents; medical products; drugs; cosmetics; nutrients; biological and chemical agents; and combinations or derivatives thereof.
  • Blister packs are another type of packaging often used to distribute aqueous samples.
  • Blister packs are essentially pouches made of metal foil or plastic that can be torn at the edge to dispense the aqueous contents.
  • blister packs are often used in direct mail and media inserts that are delivered to consumers via the United States Postal Service (USPS).
  • USPS United States Postal Service
  • blister packs are susceptible to incidental bursting when substantial pressure is applied to the blister pack. For example, if a number of magazines are stacked together that include blister packs, the blister packs in some of the magazines may burst due to the external pressure applied by the stack of magazines.
  • the solutions delivered to the patient often comprises a mixed combination of at least one diluent and at least one medicament.
  • the medicaments must be maintained separately from the diluent until immediately before use to prevent degradation.
  • Common packaging of the diluent and medicaments is often further complicated by the character of the medicament which may be a powder sensitive to moisture contamination, or a powder or liquid sensitive to degradation under light or oxygen exposure.
  • Containers such as that disclosed in U.S. Pat. No. 4,458,811 to Wilkinson and U.S. Pat. No. 4,608,043 to Larkin are representative of prior art multiple compartment flexible containers allowing separate storage of medicaments and diluents which may be mixed immediately prior to use.
  • a second type of prior art devices provide a flexible diluent container with an attachment means for a second container containing a medicament and integral systems for engagement of the containers to maintain sterility while mixing the components.
  • Alternate systems in the prior art include combined containers wherein an inner container is physically manipulated from the exterior of a flexible covering container to release a medicament for mixing with a diluent in the flexible container.
  • a vial contained within the flexible container having a plug or lid which may be extracted from the vial by manipulating the vial through the flexible walls of the container is exemplified in U.S. Pat. No. 4,610,684 to Knox et al.
  • An additional alternative is provided in the prior art by pre-mixing the medicament and diluent and freezing the container until ready for use to extend shelf life by preventing degradation of the pre-mixed solution.
  • the complexities and disadvantages are self evident of numerous and complicated parts for the containers or the added requirement for refrigeration support devices of these prior art approaches.
  • Still a further need for innovative packaging and containers relates to the shelf life of reagent components.
  • medical fluids that are made by combining ingredients which, over the passage of time, react or are otherwise incompatible, resulting in unacceptable product degradation, or reduced efficacy.
  • the present invention discloses methods, systems and devices for mixing or dispensing dry, semi-dry or aqueous components using rigid, semi-rigid or flexible containers, bags, or compartmental apparatus.
  • a planar surface also includes a narrow channel connected to the reservoir and separated from a second recessed area, or collection point, by a dam.
  • the planar surface is overlaid with a flexible lamina, adhered to the planar surface, forming a sealed reservoir between the recessed area of the planar surface and flexible lamina.
  • the fluid in the reservoir glows through the narrow channel to the dam.
  • the pressure buildup at the dam causes the flexible lamina to pull away from the dam, causing the fluid in the reservoir to flow over the dam into the collection point.
  • an essentially planar surface in another embodiment, includes at least two reservoirs, each with a corresponding narrow channel.
  • each channel leads to a common collection point in the planar surface.
  • the common collection point is separated from each narrow channel by a dam. This embodiment allows a user to combine the dry, semi-dry, or aqueous materials from each of the at least two reservoirs in the common collection point.
  • contemplated rigid, semi-rigid or flexible containers, bags, or compartmental apparatus are constructed with and or coated with materials selected from the group consisting of but not limited to: silicone; silicone derivatives; rubber; rubber derivatives; neoprene; neoprene derivatives; elastomers; elastomer derivatives; urethane; urethane derivatives; shape memory materials; condutive films, PET film, conductive inks, conductive polymers, conductive coatings; polymer coatings; doped conductive coatings, doped conductive polymer coatings and combinations or derivatives thereof.
  • FIG. 2B is a cross sectional view of a fluid dispenser illustrating how fluid is dispensed when pressure is applied to a flexible lamina according to one embodiment of the invention
  • Flexible lamina 23 is typically constructed using a material that prevents moisture and vapor transmission, while providing a flexible barrier.
  • flexible lamina is metal foil.
  • a transparent laminate, such as clear plastic may be used as flexible lamina 23 .
  • glues, resins, epoxies and/or mechanical fasteners there are a number of ways to adhere flexible lamina 23 to planar surface 22 , including, for example glues, resins, epoxies and/or mechanical fasteners.
  • FIG. 3A illustrates an alternate embodiment of the present invention.
  • planar surface 32 includes two reservoirs 24 A and 24 B. As illustrated, narrow outlets 29 A and 29 B of reservoirs 24 A and 24 B lead to a common collection point 30 , which is separated from narrow outlets 29 A and 29 B by dams 28 A and 28 B. In this embodiment, common collection point 30 is not covered by flexile lamina 23 .
  • FIG. 3A A shows a sectional view of planar surface 32 along line AA-AA of FIG. 3A and having flexible lamina 23 attached thereto.
  • planar surface 40 includes a third reservoir 24 C and the common collection point is third reservoir 24 C.
  • the fluid from reservoirs 24 A and 24 B flows into reservoir 24 C when pressure is applied to the flexible 23 , by for example an individual's finger, to mix the fluids from reservoirs 24 A and 24 B.
  • additional pressure may be applied to flexible lamina 23 causing the fluid in reservoir 24 C to flow through narrow outlet 29 C.
  • the buildup of pressure at dam 28 C results in the separation of flexible lamina 23 from dam 28 C.
  • the combined fluid in reservoir 24 C then flows into collection point 44 .
  • collection point 44 may or may not be covered by flexible lamina 23 depending upon the intended application.
  • FIG. 4A shows a sectional view of planar surface 40 along line A-A of FIG. 4 and having flexible lamina 23 attached thereto.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Jet Pumps And Other Pumps (AREA)
US11/077,476 2004-03-10 2005-03-10 Fluid despensing methods, systems and devices Abandoned US20050199648A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/077,476 US20050199648A1 (en) 2004-03-10 2005-03-10 Fluid despensing methods, systems and devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55198404P 2004-03-10 2004-03-10
US11/077,476 US20050199648A1 (en) 2004-03-10 2005-03-10 Fluid despensing methods, systems and devices

Publications (1)

Publication Number Publication Date
US20050199648A1 true US20050199648A1 (en) 2005-09-15

Family

ID=34976257

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/077,476 Abandoned US20050199648A1 (en) 2004-03-10 2005-03-10 Fluid despensing methods, systems and devices

Country Status (2)

Country Link
US (1) US20050199648A1 (fr)
WO (1) WO2005086948A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20110169A1 (it) * 2011-07-07 2013-01-08 Coopbox Group S P A Contenitore
US10638830B2 (en) 2015-05-29 2020-05-05 Colgate-Palmolive Company Neat hand-washing system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635376A (en) * 1970-06-05 1972-01-18 Hellstrom Harold R Quick-open flexible package
US4988016A (en) * 1989-01-30 1991-01-29 James P. Hawkins Self-sealing container
US5254479A (en) * 1991-12-19 1993-10-19 Eastman Kodak Company Methods for preventing air injection into a detection chamber supplied with injected liquid
US5290518A (en) * 1992-08-17 1994-03-01 Eastman Kodak Company Flexible extraction device with burstable sidewall

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20110169A1 (it) * 2011-07-07 2013-01-08 Coopbox Group S P A Contenitore
US10638830B2 (en) 2015-05-29 2020-05-05 Colgate-Palmolive Company Neat hand-washing system

Also Published As

Publication number Publication date
WO2005086948A3 (fr) 2007-02-08
WO2005086948A2 (fr) 2005-09-22

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Legal Events

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STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION