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Endoscope control unit with braking system

  • US 9,949,623 B2
  • Filed: 08/26/2015
  • Issued: 04/24/2018
  • Est. Priority Date: 05/17/2013
  • Status: Active Grant
First Claim
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1. A control unit providing a braking system for an articulation unit of an endoscope, said control unit comprising:

  • a first shaft having a first end and a second end, the first end being coupled with a first operating knob, the second end being coupled with a first cable drum and a first cable pair that are coupled with the articulation unit;

    a second shaft having a first end and a second end, the first end being coupled with a second operating knob, the second end being coupled with a second cable drum and a second cable pair that are coupled with the articulation unit, wherein the first shaft is positioned within the second shaft;

    a brake knob rotatable about its center axis;

    a stationary sleeve arranged between the first and the second shafts;

    a spring supported by the first shaft in proximity to the first end of the first shaft;

    a pin extending into the first shaft and coupled to said brake knob by the spring, wherein said pin has a first position and a second position; and

    at least one brake body extending from said pin, wherein said at least one brake body does not press against the stationary sleeve when the pin is in the first position;

    wherein the pin is moveable by rotational motion of said brake knob, wherein said at least one brake body becomes pressed against said stationary sleeve when said pin is in said second position, and wherein said pin is movable from said second position into said first position by rotational motion of said brake knob, thereby allowing said spring to push said pin into said first position.

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