Container for medical use
AssigneeJMS Co., Ltd.
InventorsTakushi Ito, Kouji Suzuki, Norihiko Kobayashi
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Abstract
Containers for medical use comprising a storage portion formed of a soft polyvinyl chloride resin containing a vinyl chloride resin and diundecyl pthalate (DUP) as a plasticizer wherein the sheet exhibits an oxygen permeability of about 9.0.times.10.sup.-10 to 22.0.times.10.sup.-10 cc.cm/cm2.sec.cmHg/22.degree. C. and a carbon dioxide permeability of about 6.0.times.10.sup.-9 to 19.0.times.10.sup.-9 cc.cm/cm2.sec.cmHg/22.degree. C. The containers are suitable for the storage of blood, especially the cellular components of blood. The invention also provides processes for making such containers as well as methods for storing blood cells using such containers.
Claims16
A container for medical use comprising a storage portion formed of a sheet of soft polyvinyl chloride resin containing a vinyl chloride resin and DUP as a plasticizer wherein the amount of DUP is between 70 and 100 parts by weight per 100 parts by weight of vinyl chloride resin and wherein the sheet exhibits an oxygen permeability of about 9.0.times.10.sup.-10 to 22.0.times.10.sup.-10 cc.cm/cm.sup.2.sec.cmHg/22.degree. C. and a carbon dioxide permeability of about 6.0.times.10.sup.-9 to 19.0.times.10.sup.-9 cc.cm/cm.sup.2.sec.cmHg/22.degree. C.
A process for producing a container, which comprises mixing vinyl chloride resin having a porosity of about 20 to 40 cc/100 g.PVC with DUP and molding and processing the mixture.
Dependencies are inferred from the claim text.