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Electro-mechanical surgical device

  • US 8,357,144 B2
  • Filed: 02/01/2005
  • Issued: 01/22/2013
  • Est. Priority Date: 06/02/1999
  • Status: Expired due to Term
First Claim
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1. A surgical instrument for use with an electro-mechanical surgical device, comprising:

  • a coupling provided at a proximal end of the surgical instrument and configured to couple the surgical instrument with the electro-mechanical surgical device;

    a memory unit provided in the surgical instrument; and

    at least one rotatable drive shaft provided in the surgical instrument and configured to couple, via the coupling provided at the proximal end of the surgical instrument, with a respective drive shaft of the electro-mechanical surgical device;

    wherein the coupling provided at the proximal end of the surgical instrument includes a data connector configured to connect the memory unit provided in the surgical instrument with the electro-mechanical surgical device; and

    wherein the at least one rotatable drive shaft includes a first rotatable drive shaft and a second rotatable drive shaft, each of the drive shafts being (i) configured to couple with a respective drive shaft of the electro-mechanical surgical device, (ii) driven independently by a different motor, and (iii) configured to include a magnet mounted thereon for producing a magnetic field and in operable communication with at least one encoder including at least two sensors disposed approximately 90°

    apart relative to a longitudinal axis of each of the drive shafts, an output of the at least two sensors adapted to be adjusted as a function of a change of polarity of the magnetic field in a detection range of the at least two sensors, anda pair of additional motors secured on a carriage which carriage is movable to permit selective engagement of a selected one of the pair of additional motors, wherein the pair of additional motors control a steering of the surgical instrument.

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