Patent ID: 8721594
Filing Date: 2014-05-13
Classification: A61F,A61M

Abstract:
1. A pressure surge cancelling device comprising: a fixture comprising a hinged lid and a support structure, the hinged lid having a hinge end and a latch end, and a locking latch located on the latch end of the hinged lid; a surgical hand piece having an end fixed to the fixture, the end having an aspiration port, the hinge end of the hinged lid coupled to the surgical hand piece; a length of aspiration tubing insertable into and removable from the fixture between the support structure and the hinged lid, the length of aspiration tubing terminating in a distal connector, the distal connector removably coupled to the aspiration port, the length of aspiration tubing having a first segment and a second segment; a sensor located on the support structure of the fixture such that the second segment of the length of aspiration tubing is adjacent to the sensor when the length of aspiration tubing is inserted into the fixture, the sensor for detecting a pressure in the aspiration tubing; a pinch valve coupled to the support structure of the fixture such that the first segment of the length of aspiration tubing is adjacent to the pinch valve when the length of aspiration tubing is inserted into the fixture; the first segment of the length of aspiration tubing having a first length and a first outer diameter; and the second segment of the length of aspiration tubing having a second length and a second outer diameter; wherein the first outer diameter is different from the second outer diameter.