Blood collector

• US 3,113,688 A
• Filed: 09/14/1961
• Issued: 12/10/1963
• Est. Priority Date: 09/14/1961
• Status: Expired due to Term

• Current Assignee: Rasmussen Campbell Ruth
• Original Assignee: Rasmussen Campbell Ruth
• Inventors: RASMUSSEN CAMPBELL RUTH
• Application Number:
  US04/138,086
• Time in Patent Office: 817 Days
• US Class Current: 73/864.03
• CPC Class Codes: A61B 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/150229 Pumps for assisting the blood sampling
• CPC Class Codes: A61B 5/150343 Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes sampling from within body cavities A61B5/150015, A61B5/150045
• CPC Class Codes: A61B 5/150351 Caps, stoppers or lids for sealing or closing a blood collection vessel or container, e.g. a test-tube or syringe barrel caps for bottles or containers in general B65D41/00
• CPC Class Codes: A61B 5/151 Devices specially adapted for taking samples of capillary blood, e.g. by lancets , needles or blades

Claims

1. A DEVICE FOR COLLECTING BY MANUAL SUCTION A DROP OF BLOOD APPEARING AT THE SURFACE OF THE SKIN OF A PERSON AT A POINT AT WHICH THE SKIN HAS BEEN PIERCED, COMPRISING A RECEPTACLE HAVING AN OPENING AT ITS UPPER END, A CLOSURE MEMBER MOUNTED ON SAID RECEPTACLE AND SPANNING SAID OPENING, SAID CLOSURE MEMBER HAVING A PAIR OF SPACED PASSAGES THERETHROUGH COMMUNICATING WITH SAID RECEPTACLE, TUBULAR INLET MEANS PROJECTING OUTWARDLY FROM SAID CLOSURE MEMBER AND ADAPTED TO BE INSERTED IN THE DROP OF BLOOD TO BE COLLECTED, TUBULAR DISCHARGE MEANS PROJECTING INWARDLY AND DOWNWARDLY FROM SAID CLOSURE MEMBER, SAID TUBULAR INLET AND DISCHARGE MEANS DEFINING PARTS OF ONE OF SAID PASSAGES AND SAID TUBULAR INLET HAVING A DIAMETER LESS THAN THE DIAMETER OF THE DROP OF BLOOD TO BE COLLECTED, SAID TUBULAR DISCHARGE MEANS TERMINATING IN SAID RECEPTACLE IN LATERALLY SPACED RELATION TO AND BELOW THE LEVEL OF THE INNER END OF THE OTHER OF SAID PASSAGES, AND AN ELONGATED FLEXIBLE SUCTION CONDUIT DETACHABLY CONNECTED TO SAID CLOSURE EXTERIORLY OF SAID RECEPTACLE IN COMMUNICATION WITH THE OUTER END OF SAID OTHER PASSAGE AND ADAPTED TO BE PLACED IN THE MOUTH OF THE USER.