The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 2025
Filed:
Jul. 28, 2023
Stryker Corporation, Kalamazoo, MI (US);
Adam Darwin Downey, Kalamazoo, MI (US);
Brett Merkel, Portage, MI (US);
Michael Teasdale Smith, Bellevue, WA (US);
Robert Mitchell Baldwin, Grand Rapids, MI (US);
Benjamin Fineout, Zeeland, MI (US);
Jon Bodnar, Keller, TX (US);
Darryl D. Daniel, Ii, Pflugerville, TX (US);
Anthony Gatica, Cedar Park, TX (US);
Mark Friedman, Portage, MI (US);
Stryker Corporation, Portage, MI (US);
Abstract
An aspiration system to control vacuum pressure in an ultrasonic surgical handpiece to result in improved control responsiveness during aspiration. The system comprises a console including a vacuum pump. The system includes a cassette comprising a joint that divides a vacuum path into at least two flow paths. A first joint port couples to a first flow path. A second flow path is coupled to a second joint port, a third flow path is coupled to a third joint port, and a fourth flow path is coupled to a port on a surgical waste receiver. A first sensor senses pressure in the fourth flow path and provides a waste receiver pressure signal. A second sensor senses pressure in the third flow path and provides a tip pressure signal. The controller controls a position of a first vent valve and a second vent valve based on the waste receiver pressure signal and the tip pressure signal, respectively.