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Wire collection device with geared advantage

  • US 9,974,676 B2
  • Filed: 08/05/2014
  • Issued: 05/22/2018
  • Est. Priority Date: 08/09/2013
  • Status: Active Grant
First Claim
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1. A stent deployment system, including a wire collection device comprising:

  • a collection spindle rotatable to collect a retraction wire around the collection spindle, the retraction wire coupled to an outer sheath retractable to deploy a stent;

    a first driven gear and a second driven gear mounted along the collection spindle, a radius of the second driven gear being greater than a radius of the first driven gear;

    a thumbwheel mounted on a wheel axle substantially parallel to the collection spindle, the thumbwheel rotatable and disposed in mechanical communication with the wheel axle to actuate rotation of the wheel axle;

    a first actuating gear and a second actuating gear, the first actuating gear sized to engage the first driven gear to collect the retraction wire at a first speed and the second actuating gear sized to engage the second driven gear to collect the retraction wire at a second speed greater than the first speed.

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