EP0236471A1 - Package for sterile articles - Google Patents
Package for sterile articlesInfo
- Publication number
- EP0236471A1 EP0236471A1 EP86905957A EP86905957A EP0236471A1 EP 0236471 A1 EP0236471 A1 EP 0236471A1 EP 86905957 A EP86905957 A EP 86905957A EP 86905957 A EP86905957 A EP 86905957A EP 0236471 A1 EP0236471 A1 EP 0236471A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- package
- sterile
- layers
- surface layer
- pretension
- 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.)
- Withdrawn
Links
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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5827—Tear-lines provided in a wall portion
- B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
-
- 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
- A61F15/00—Auxiliary appliances for wound dressings; Dispensing containers for dressings or bandages
- A61F15/001—Packages or dispensers for bandages, cotton balls, drapes, dressings, gauze, gowns, sheets, sponges, swabsticks or towels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
- B65D75/14—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks folded-up around all sides of the contents from a portion on which the contents are placed
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
- B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
Definitions
- the present invention relates to a package intended to accommodate one or more sterile articles.
- Packages of this kind for the enclosure of disposabl articles used in surgery and for wound dressing can be subdivided into two main types.
- Flat packages comprising two sheets of paper sealed together along their edges are used for thin sterile articles such as drying swab and small surgical pads, whereas plastic trays sealed with a paper lid are most commonly used for voluminous products suc as wound dressing sets- for example.
- a package belonging to any one of the above-describe types is opened by tearing apart the package portions along their bond lines with the use of both hands , exposing in thi way the enclosed sterile article.
- the article In order to maintain its sterility, the article must then be taken out of the package by someone else. To open the package correctly and remove the article, there are thus required two persons. After having opened the package, it is not possible to "pour" out its contents, for example, because the edges of the package, which are not sterile, could then get in touch with the contents of the package which would then be contaminated and lose its sterility.
- the packages known up to now are most inconvenient due to the demands on avail ⁇ able staff members required to open such a package while als providing insufficient security for the sterility of the enclosed article to be maintained during opening and emptyin of the packages.
- the object of the invention is therefore to achieve a package for sterile articles which is easily openable while maintaining the sterility of its contents, and which in addition provides the possibility for one person alone to open and empty.
- a package for sterile articles which fulfills the demands set forth above has been accomplished with the present invention in that, in the sealed state of the package, a certain degree of pretension is imparted, by choice of material or otherwise, to the outer surface layer in relation to the corresponding inner layer of at least some of the package portion intended to be torn open for release of the contents of the package, which pretension is relieved by opening the package so that the prestretched material is caused to roll up thereby exposing the sterile interior surfaces and concealing the non-sterile exterior surfaces.
- the method of prestretching the package material can be selected from a wide range of alternative possibilities.
- pretension may be originally built into the material which is then a laminate composed of layers prestretched to various degrees in relation to one another so as to produce a tensional difference between the two outer material layers.
- a corresponding tensional difference can also be obtained by the material of the layers included in the laminate having different coefficients of thermal expansion.
- Pretension can further be achieved with the aid of purely mechanical means such as metal wires, plastic springs and the like.
- Fig. 1 is a cross section through a package according to a first embodiment of the invention
- Fig. 2 is a view of the package shown in Fig. 1 in an opened state
- Fig. 3 is a cross section through a package according to a second embodiment of the invention
- Fig. 4 is a cross section of the package shown in Fig. 3 in an open state
- Fig. 5 is a perspective view of a third embodiment of the inventive package
- Fig. 6 shows the .package of Fig. 5 when opened
- Fig. 7 is a perspective view of a further embodiment of the inventive package
- Fig. 8 shows the package of Fig. 7 when opened.
- the package shown in Fig. 1 consists of an upper part 1 and a lower part 2, which parts are interconnected along their edge margins for the accommodation of a sterile article 3.
- the interconnection of the package parts can be carried out in different manners, for example by means of hot melt beads applied along the long sides of the package and with the short sides being heat sealed.
- the material of the package parts is prestressed in such a manner that the tension in the finished, sealed package is considerably higher in the outer than in the inner layer of the package parts, the package thereby striving to contract along said outer layer.
- the prestress forces are absorbed by the bonds between the package parts, whereas after opening it in a conventional manner by tearing the package parts apart, said forces can act freely and cause the parts 1 , 2 to curl, as shown in Fig. 2.
- the sterile article will then be uncovered while the outer surfaces of the package, which have become non-sterile by touching, are rolled inwards and away from the article, the sterile inner surfaces simultaneously being exposed.
- Fig. 3 illustrates a second embodiment where the lower part 2 of the package consists of a prestretched material, whereas the upper part 1 is made of a conventional packing material such as varnished paper.
- the upper part 1 has two portions 5, 6 joined together by a seal 4. The package seals around a sterile article 3 which will be exposed when the package is opened by one 5 of the portions of the upper part 1 being torn off.
- FIG. 4 illustrates how the underside of a package as shown in Fig. 3 has rolled together for giving access to the sterile article.
- Fig. 5 illustrates an example of an embodiment of the invention which is particularly useful for accommodating voluminous articles.
- the package shown in Fig. 5 has a tray-shaped lower part 2 and a flat, rectangular upper part 1 consisting of four triangular sections 7-10 defined by the diagonals and edges of the upper part.
- the triangular sections are united by two intersecting tape strips 11, 12, the resulting rect ⁇ angular lid 1 being joined along its edge portions to the lower part 2.
- the package is unwrapped by tearing off the tape strips 11, 12 whereby the triangular sections, which have been prestretched as previously exemplified, will roll together as shown in Fig. 6.
- the edges of the triangular sections, which are located under the tape strips, are sterile and cannot contaminate the sterile article 3.
- Fig. 7 illustrates an embodiment of the inventive package which, like the previous embodiment, has a tray- shaped lower part 2 and a flat lid 1.
- the lid 1 is sealed to the lower part 2 with a strip of tape 13, and the package is opened by tearing off the strip 13 to allow for the pre ⁇ stretched lid to roll up, as shown in Fig. 8. In this manner the sterile article 3 will be acessible for use. Because the tray has been covered with tape throughout the sterilization process, the entire edge 14 thereof remains sterile. As is the case with the embodiment of Figs. 5 and 6, this package as well is particularly useful for voluminous articles and can also be utilized, when dressing wounds for example, as a container for moistened pads and the like.
- the package parts intended to roll together could be formed of a laminate of which one outer layer is laminated under prestress onto one or more stress relieving layers.
- Another prestress method is the attachment of one or more prestretched elastic bands or the like to the side of the packing material constituting the outer surface of the package.
- Pretension can also be attained by selectin ⁇ a material to which has been imparted during manufacture a stress-generating gradient.
- pretension may be initially built into the material, or become activated by means of heat " treatment of the finished -package made of this material, for example.
- the above-described packages all exemplify embodi ⁇ ments of the invention with the sole purpose of illustrating the inventive principle without defining the limits thereof. A plurality of other embodiments are conceivable within the scope of the patent claims. For example, there are no restrictions whatsoever for a package according to the presen invention with regard to its physical shape or the type of material used.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Packages (AREA)
Abstract
La présente invention est caractérisée par le fait que, dans l'état scellé de l'emballage, on impartit, par le choix du matériau ou autre, un certain degré de pré-tension à la couche de surface extérieure par rapport à la couche intérieure correspondant d'au moins une certaine partie de la portion d'emballage destinée à être ouverte par déchirure pour libérer le contenu dudit emballage, laquelle pré-tension est relâchée lors de l'ouverture de l'emballage, ce qui provoque l'enroulement de la portion d'emballage pré-étirée, ses surfaces intérieures stériles étant exposées et ses surfaces extérieures non stériles étant cachées.The present invention is characterized in that, in the sealed state of the packaging, a certain degree of pre-tension is imparted to the outer surface layer relative to the inner layer, by the choice of material or the like. corresponding to at least a certain part of the packaging portion intended to be opened by tearing to release the contents of said packaging, which pre-tension is released when the packaging is opened, which causes the winding of the pre-stretched packaging portion, its sterile interior surfaces being exposed and its non-sterile exterior surfaces being hidden.
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8504209A SE454436B (en) | 1985-09-11 | 1985-09-11 | PACKAGING FOR STERILY ARTICLES |
SE8504209 | 1985-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0236471A1 true EP0236471A1 (en) | 1987-09-16 |
Family
ID=20361348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86905957A Withdrawn EP0236471A1 (en) | 1985-09-11 | 1986-09-03 | Package for sterile articles |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0236471A1 (en) |
JP (1) | JPS63500703A (en) |
AU (1) | AU6374886A (en) |
DK (1) | DK220887A (en) |
FI (1) | FI871904A0 (en) |
SE (1) | SE454436B (en) |
WO (1) | WO1987001678A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5562645A (en) * | 1995-05-31 | 1996-10-08 | Kimberly-Clark Corporation | Article with soft absorbent pulp sheet |
SE534097C2 (en) * | 2008-10-22 | 2011-04-26 | Ecolean Res & Dev As | Resealable packaging |
US20130272630A1 (en) * | 2012-04-16 | 2013-10-17 | Cryovac, Inc. | Packaging Receptacle For Making Packaging Article Exhibiting Combination of Linear Tear and Directional Curl |
JP6268194B2 (en) * | 2014-01-10 | 2018-01-24 | 久光製薬株式会社 | Packaging bag |
-
1985
- 1985-09-11 SE SE8504209A patent/SE454436B/en not_active IP Right Cessation
-
1986
- 1986-09-03 WO PCT/SE1986/000391 patent/WO1987001678A1/en not_active Application Discontinuation
- 1986-09-03 EP EP86905957A patent/EP0236471A1/en not_active Withdrawn
- 1986-09-03 JP JP61504966A patent/JPS63500703A/en active Pending
- 1986-09-03 AU AU63748/86A patent/AU6374886A/en not_active Abandoned
-
1987
- 1987-04-29 FI FI871904A patent/FI871904A0/en not_active IP Right Cessation
- 1987-04-30 DK DK220887A patent/DK220887A/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO8701678A1 * |
Also Published As
Publication number | Publication date |
---|---|
SE8504209L (en) | 1987-03-12 |
AU6374886A (en) | 1987-04-07 |
DK220887D0 (en) | 1987-04-30 |
FI871904A (en) | 1987-04-29 |
SE454436B (en) | 1988-05-02 |
DK220887A (en) | 1987-04-30 |
SE8504209D0 (en) | 1985-09-11 |
FI871904A0 (en) | 1987-04-29 |
WO1987001678A1 (en) | 1987-03-26 |
JPS63500703A (en) | 1988-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19870604 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
17Q | First examination report despatched |
Effective date: 19880923 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19890808 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HANSSEN, CARL-OTTO |