Liquid-chemical sterilization system with biological indicator
A sterilization system includes a vial, a carrier of microorganisms disposed in the vial, and a fluid management system having an output connectable to the vial for delivering a liquid chemical sterilant and a neutralizer thereto. Additionally, a growth medium may be delivered to the vial such that the vial and growth medium may assessed for a change to a visual characteristic indicative of sterilization inefficacy.
1. A sterilization system, comprising:
a vial;
a carrier disposed in the vial, the carrier being impregnated with a source of microorganisms including spores;
a fluid management system having an output connectable to the vial for delivering liquids thereto, the fluid management system comprising:
a valve;
a first tube;
a source of a liquid-chemical sterilant;
a source of a neutralizer, the source of the neutralizer connected to the output via the valve and the first tube; and
a source of a growth medium, wherein the valve is configured to either allow a flow between a second tube of the fluid management system and the vial or allow a flow between a third tube of the fluid management system and the source of the neutralizer; and
a fixture, the fixture comprising:
a first segment including a needle connected to the output;
a second segment including a cavity containing the vial;
a hinge connecting the first segment to the second segment, said hinge configured such that a rotation of the first segment about the hinge causes the needle to penetrate the vial.
2. The sterilization system of claim 1 , further comprising a medical device having a lumen connected between the needle and the output.
3. The sterilization system of claim 2 , wherein the medical device comprises an endoscope.
4. The sterilization system of claim 1 , further comprising a second cavity containing a second vial containing a growth medium.
5. The sterilization system of claim 1 , wherein the fixture further comprises a heating element disposed adjacent to the cavity.
6. The sterilization system of claim 1 , wherein the liquid-chemical sterilant comprises peracetic acid.
7. The sterilization system of claim 6 , wherein the growth medium comprises α-MUG.
8. The sterilization system of claim 7 , wherein the spores comprise Geobacillus stearothermophilus spores.
9. The sterilization system of claim 1 , wherein the vial includes a cover.
10. A sterilization system, comprising:
a first vial;
a carrier disposed in the first vial, the carrier being impregnated with a source of microorganisms including spores;
a fluid management system having an output connectable to the first vial for delivering liquids thereto, the fluid management system comprising:
a valve;
a tube;
a source of a liquid-chemical sterilant; and
a source of a neutralizer, the source of the neutralizer connected to the output via the valve and the tube; and
a fixture, the fixture comprising:
a first segment including a needle connected to the output;
a second segment including a first cavity containing the first vial, and a second cavity containing a second vial containing a growth medium; and
a hinge connecting the first segment to the second segment, said hinge configured such that a rotation of the first segment about the hinge causes the needle to penetrate the first vial.
11. The sterilization system of claim 10 , further comprising a medical device having a lumen connected between the needle and the output.
12. The sterilization system of claim 11 , wherein the medical device comprises an endoscope.
13. The sterilization system of claim 10 , wherein the fluid management system further comprises a source of a growth medium.
14. The sterilization system of claim 13 , wherein the fixture further comprises a heating element disposed adjacent to the first cavity.
15. The sterilization system of claim 13 , wherein the liquid-chemical sterilant comprises peracetic acid.
16. The sterilization system of claim 15 , wherein the growth medium comprises α-MUG.
17. The sterilization system of claim 16 , wherein the spores comprise Geobacillus stearothermophilus spores.
18. The sterilization system of claim 10 , wherein the first vial includes a cover.
19. The sterilization system of claim 10 , wherein the second vial includes a cover.