Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Patent
1995-05-02
1998-04-21
Bockelman, Mark
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
604 95, A61M 3700
Patent
active
057413207
ABSTRACT:
A steerable catheter comprising a resilient body member, a manipulation handle attached to the proximal end of the body member, a control wire extending from the handle to the distal end of the catheter for deflection control, and a pulley mechanism for controlling the movement of the control wire. Longitudinal movement of a slide element in the handle causes movement of the control wire and control over the deflection of the distal end of the catheter. The pulley mechanism is connected between the slide element and the control wire to provide greater mechanical advantage to effect deflection of the body member while enhancing deflection control resolution. A stiffening member is also disposed in the catheter body member and its position is controlled by the rotational motion of the slide element. The position of the pulley mechanism is not affected by rotational motion of the slide element.
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International Search Report for Application No. PCT/US96/06061 dated Jun. 24, 1996 (foreign counterpart to present application).
Hayzelden Robert C.
Maahs Tracy D.
Taimisto Miriam H.
Thornton Peter
Bockelman Mark
Gring N. Kent
Heart Rhythm Technologies, Inc.
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