×

Apparatus for positioning a medical instrument relative to a patient

  • US 7,347,862 B2
  • Filed: 05/02/2003
  • Issued: 03/25/2008
  • Est. Priority Date: 05/02/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. An apparatus for moving a medical instrument in at least one direction, said apparatus comprising:

  • an elongated trocar and a drive assembly releasably secured to a trocar, said drive assembly comprising a housing including an opening for receiving the medical instrument, at least one motor, at least one drive roller operatively coupled to said motor, wherein the drive roller further comprises at least one pinch roller, and wherein said rollers each include an outer surface at least partially covered by a friction material, and wherein said friction material engages the medical instrument when the rollers move in response to the operation of said at least one motor.

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