×

Ultrasonic surgical instrument with piezoelectric central lumen transducer

  • US 10,245,064 B2
  • Filed: 06/19/2017
  • Issued: 04/02/2019
  • Est. Priority Date: 07/12/2016
  • Status: Active Grant
First Claim
Patent Images

1. A surgical instrument for coagulating and dissecting tissue, the surgical instrument comprising:

  • a transducer assembly comprising;

    a housing;

    an ultrasonic transducer comprising a plurality of piezoelectric elements and a plurality of electrodes arranged in a stack configuration, wherein at least one of the plurality of electrodes is located between at least one pair of the plurality of piezoelectric elements;

    an end mass positioned adjacent a first end of the ultrasonic transducer, wherein the end mass is configured to engage with the housing; and

    wherein the end mass is configured to compress the ultrasonic transducer against an interior surface of the housing when the end mass is engaged with the housing.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×