Fluid sampling device

Claim 1

IN A SAMPLING DEVICE FOR OBTAING A SUBSTANTIALLY UNCONTAMINATED SAMPLE FROM A FLEXIBLE, PUNCTURABLE CONTAINER OF FLUID, THE COMBINATION OF: A BODY ELEMENT AND A SEPARABLE HEAD ELEMENT FRICTIONALLY SECURED TO SAID BODY ELEMENT; SAID HEAD ELEMENT HAVING A SURFACE ENGAGEABLE WITH A WALL OF THE CONTAINER; SAID BODY ELEMENT AND SAID HEAD ELEMENT BEING PROVIDED WITH A SAMPLE CHAMBER HAVING AN OPEN SIDE IN SAID SURFACE AND CLOSEABLY SAID WALL; EVACUABLE MEANS IN SAID HEAD ELEMENT FOR HOLDING SAID WALL AGAINST SAID SURFACE; MEANS FOR EVACUATING SAID SAMPLE CHAMBER AND SAID EVACUABLE MEANS; A LIP FORMED OF RESILIENT METERIAL CARRIED BY SAID HEAD ELEMENT AND ENCIRCLING SAID SURFACE, SAID HOLDING MEANS AND SAID OPEN SIDE OF SAID SAMPLE CHAMBER; SAID RESILIENT LIP EXTENDING OUTWARDLY FROM THE PERIPHERY OF SAID SURFACE AND AT AN ACUTE ANGEL WITH RESPECT TO SAID SURFACE, SAID LIP TAPERING TO A POING AT ITS OUTER PERIPHERY AND BEING ENGAGEABLE BY SAID WALL OF THE CONTAINER TO ISOLATE SAID SIMPLE CHAMBER AND SAID HOLDING MEANS FROM THE ATMOSPHERE; AND MEANS CARRIED BY SAID HOUSING FOR PUNCTURING SAID WALL OF THE CONTAINER THROUGH SAID OPEN SIDE OF SAID SAMPLE CHAMBER TO ESTABLISH COMMUNICATION BETWEEN THE INTERIOR OF THE CCONTAINER AND SAID SAMPLE CHAMBER THROUGH SAID WALL, WHEREBY TO ENABLE A SAMPLE OF THE FLUID IN THE CONTAINER TO FLOW INTO SAID SAMPLE CHAMBER.