ANTICOAGULANT MATERIAL HAVING CHARGED ELECTROSTATIC SURFACES SUITABLE FOR USE IN PROSTHETIC DEVICES

• US 3,609,768 A
• Filed: 06/16/1969
• Issued: 10/05/1971
• Est. Priority Date: 06/16/1969
• Status: Expired due to Term

• Current Assignee: Waldemar A. Ayres
• Original Assignee: Waldemar A. Ayres
• Inventors: Ayres, Waldemar A.
• Application Number:
  US04/833,657
• Time in Patent Office: 841 Days
• US Class Current: 623/1.1
• CPC Class Codes: A61B 10/00 Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis vaccination prophylaxis, vaccination therapy A61B17/20; Sex determination; Ovulation-period determination menstruation tables G06C3/00; Throat striking implements
• CPC Class Codes: A61B 5/076 Permanent implantations telemetry using implanted circuitry A61B5/0031; implanted stimulators for therapy A61N1/3605, A61N1/362, A61N1/372
• CPC Class Codes: A61F 2/06 Blood vessels
• CPC Class Codes: A61L 33/0094 Physical treatment, e.g. plasma treatment

Abstract

AN ANTICOAGULANT DEVICE FOR CONFINING BLOOD. THE DEVICE INCLUDES A BLOOD ENGANGING WALL WITH A SURFACE FOR CONTACTING THE BLOOD. THE WALL IS FORMED OF A MATERIAL ADAPTED TO HAVE A SUBSTANTIALLY PERMANENT VOLUMETRIC

CHARGE PROVIDING A BLOOD-ENGAGING SURFACE FIELD OF NOT LESS THAN APPROXIMATELY 0.3 VOLT NEGATIVE.

Claims