Packaging bag for medical supplies, packaging bag containing medical supplies, and method for packaging medical supplies

Abstract

There are provided a packaging bag, which allows visual confirmation of the content yet does not bleach medical supplies contained therein, a packaging bag containing medical supplies, and a packaging method for medical supplies. A packaging bag 10 of the present invention includes two front and back films 11 and 12 , at least one of which is transparent and are bacteria impermeable and do not transmit molecules as large as or greater than O 2 , wherein a material 13 that is gas permeable and bacteria impermeable is extended on the opening side of at least one of the films, and the periphery of the front and back films except for the opening is sealed. Medical supplies 15 are contained in the packaging bag 10 , the opening is sealed to form a seal part 16 b , and sterilization processing using EO gas or the like is executed. The EO gas is then removed and it is sealed by a seal part 16 c . Even if the medical supplies 15 are exposed to an antiseptic solution such as H 2 O 2 , it will not enter the packaging bag 10.

1 . A packaging bag for medical supplies comprising two front and back films, at least one of which is transparent and are bacteria impermeable and do not transmit molecules as large as or greater than O 2 , wherein a material that is gas permeable and bacteria impermeable is extended on an opening side of at least one of the films, and the periphery of the front and back films except for the opening is sealed. 
     
     
         2 . The packaging bag for medical supplies of  claim 1 , wherein the transparent film that is bacterial impermeable and does not transmit molecules as large as or greater than O 2  is a plastic film coated with silica or alumina. 
     
     
         3 . A packaging bag containing medical supplies comprising two overlapped front and back films sealed at the periphery so as to contain medical supplies within, wherein the front and back films are both bacterial impermeable and do not transmit molecules as large as or greater than O 2 , and at least one of the front and back films is transparent. 
     
     
         4 . A packaging bag containing medical supplies has a double bag structure, containing the packaging bag containing medical supplies of  claim 3  in a larger packaging bag with the same structure but not containing any medical supplies. 
     
     
         5 . The packaging bag containing medical supplies of  claim 3 , wherein the transparent film that is bacterial impermeable and does not transmit molecules as large as or greater than O 2  is a plastic film coated with silica or alumina. 
     
     
         6 . A packaging method for medical supplies comprising the steps of:
 overlapping two front and back films, at least one of which is transparent and are bacteria impermeable and do not transmit molecules as large as or greater than O 2 , extending a material that is gas permeable and bacteria impermeable on an opening side of at least one of the films, containing the medical supplies in a packaging bag which is formed by sealing the periphery of the front and back films except for the opening, and sealing the opening;   sterilizing the packaging bag with sterilizing gas, either removing the gas after sterilization by vacuum or exchanging the gas with another gas, and drying by dry heat or air drying; and   sealing the packaging bag so that material portions of the packaging bag that is gas permeable and bacteria impermeable does not communicate with the inside of a stored bag.   
     
     
         7 . The packaging method for medical supplies of  claim 6 , wherein the transparent film that is bacterial impermeable and does not transmit molecules as large as or greater than O 2  is a plastic film coated with silica or alumina. 
     
     
         8 . The packaging bag containing medical supplies of  claim 4 , wherein the transparent film that is bacterial impermeable and does not transmit molecules as large as or greater than O 2  is a plastic film coated with silica or alumina.