ULTRASONIC TRANSDUCER ASSEMBLY FOR BIOLOGICAL MONITORING

• US 3,587,561 A
• Filed: 06/05/1969
• Issued: 06/28/1971
• Est. Priority Date: 06/05/1969
• Status: Expired due to Term

• Current Assignee: Kontron (S&T AG)
• Original Assignee: Janis Gunars Ziedonis
• Inventors: ZIEDONIS JANIS GUNARS
• Application Number:
  US04/830,750
• Time in Patent Office: 753 Days
• US Class Current: 600/453
• CPC Class Codes: A61B 8/04 Measuring blood pressure
• CPC Class Codes: A61B 8/4227 characterised by straps, belts, cuffs or braces
• CPC Class Codes: B06B 1/0622 on one surface

Abstract

AN ULTRASONIC TRANSDUCER ASSEMBLY FOR USE WITH A HUMAN OR AN ANIMAL BODY, COMPRISING A FLEXIBLE PRINTED CIRCUIT MEANS HAVING A PRESET CURVATURE, FOR SUPPORTING AN ARRAY OF ULTRASONIC TRANSDUCER UNITS ELECTRICALLY CONNECTED TO THE PRINTED CIRCUIT FOR IRRADIATING A SELECTED SECTION OF A BODY WITH ULTRASONIC ENGERGY AND FOCUSING THE RELATED TRANSMITTED ULTRASONIC ENERGY. THE TRANSDUCER ASSEMBLY IS USABLE FOR BLOOD PRESSURE MONITORING BY PLACEMENT WITH AN INFLATABLE CUFF ABOUT A BODY LIMB FOR DETECTION OF ARTERIAL WALL MOTION INDUCED BY CUFF PRESSURE VARIATIONS.

Claims