Blood drawing device

• US 3,143,109 A
• Filed: 02/12/1962
• Issued: 08/04/1964
• Est. Priority Date: 02/12/1962
• Status: Expired due to Term

• Current Assignee: Harry R. Gewertz
• Original Assignee: Harry R. Gewertz
• Inventors: Gewertz, Harry R.
• Application Number:
  US04/172,403
• Time in Patent Office: 904 Days
• US Class Current: 600/579
• CPC Class Codes: A61B 5/15003 for venous or arterial blood
• CPC Class Codes: A61B 5/150221 Valves
• 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 5/150389 Hollow piercing elements, e.g. canulas, needles, for piercing the skin
• CPC Class Codes: A61B 5/150519 Details of construction of hub, i.e. element used to attach the single-ended needle to a piercing device or sampling device
• CPC Class Codes: A61B 5/150732 Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube,
• CPC Class Codes: A61B 5/154 Devices using pre-evacuated means

Claims

1. A BLOOD DRAWING DEVICE COMPRISING A RECEPTACLE HAVING AN OPEN END, A VALVE BODY SEALED AT ONE END TO THE OPEN END OF THE RECEPTACLE AND EXTENDING OUTWARDLY THEREFROM, MEANS AT THE OTHER END OF THE VALVE BODY FOR RECEIVING AND SUPPORTING A HOLLOW NEEDLE, A FIRST PASSAGEWAY EXTENDING LONGITUDINALLY OF THE VALVE BODY, SAID PASSAGEWAY COMMUNICATING WITH SAID MEANS AT ONE END AND WITH THE RECEPTACLE AT THE OTHER END, VALVE MEANS IN SAID VALVE BODY COMPRISING A TRANSVERSELY MOVABLE CYLINDER HAVING A BODY PORTION INTERCEPTING SAID FIRST PASSAGEWAY WHEN THE VALVE IS LOCATED IN A FIRST POSITION, SAID BODY PORTION HAVING A PORT THEREIN WHICH PROVIDES CONTINUATION OF THE PASSAGEWAY WHEN THE VALVE IS LOCATED IN A SECOND POSITION FOR PERMITTING UNINTERRUPTED FLOW OF BLOOD FROM THE NEEDLE INTO THE RECEPTACLE, A SECOND PASSAGEWAY EXTENDING LONGITUDINALLY OF THE VALVE BODY IN SPACED RELATION TO THE FIRST PASSAGEWAY AND COMMUNICATING AT OPPOSITE ENDS WITH THE VALVE CYLINDER AND RECEPTACLE, A SECOND PORT IN SAID BODY PORTION OF THE VALVE LOCATED IN SPACED RELATION TO SAID FIRST PORT AND IN COMMUNICATION WITH SAID SECOND PASSAGEWAY WHEN THE VALVE IS IN SAID FIRST POSITION, A DISTENSIBLE MEMBER COVERING THE RECEPTACLE END OF THE SECOND PASSAGEWAY, AND A BORE IN THE VALVE CONNECTING SAID SECOND PORT WITH ATMOSPHERE EXTERNAL OF THE DEVICE.