Manual actuator for a catheter system for treating a vascular occlusion
First Claim
1. A manual actuator for retracting and advancing a therapeutic working element of an intravascular catheter system via an actuation shaft, the manual actuator comprising:
- a hollow cylindrical bracing member including an open proximal end and a distal end;
a hollow cylindrical retracting member, the retracting member being slidable into the open proximal end of the bracing member, the retracting member having a proximal end;
an actuation shaft, a proximal end of the actuation shaft being secured to the proximal end of the retracting member, a distal end of the actuation shaft being secured to the therapeutic working element, andat least one resilient connecting member having a proximal end attached proximate the proximal end of the retracting member, and a distal end attached proximate the distal end of the bracing member,whereby a manually applied external force applied to the at least one resilient connecting member urges the retracting member in a proximal direction with respect to the bracing member, thereby retracting the actuation shaft and operating the working element of the catheter system.
9 Assignments
0 Petitions
Accused Products
Abstract
Disclosed herein is manual actuator for retracting and advancing a therapeutic working element of an intravascular catheter system via an actuation shaft or one or more pulling wires. The manual actuator includes a hollow cylindrical bracing member having an open proximal end and a distal end, and a hollow cylindrical retracting member, the retracting member being slidable, in a telescoping fashion, into the open proximal end of the bracing member. An actuation shaft is secured near to the proximal end of the retracting member and the distal end of the actuation shaft is secured to the therapeutic working element. Alternatively, at least one pulling wire is secured proximal to the proximal end of the retracting member. The distal end of the pulling wire is secured to the therapeutic working element. At least one resilient connecting member has a proximal end attached proximate the proximal end of the retracting member, and a distal end attached proximate the distal end of the bracing member. When a manually applied external force is applied by the physician to the resilient connecting members, the resilient connecting members urge the retracting member in a proximal direction with respect to the bracing member, and retracting the actuation shaft to thereby operate the working element of the catheter system. Alternatively, the retracting member is urged in the proximal direction by the manually applied external force and the pulling wires transmit this force to the therapeutic working element.
215 Citations
34 Claims
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1. A manual actuator for retracting and advancing a therapeutic working element of an intravascular catheter system via an actuation shaft, the manual actuator comprising:
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a hollow cylindrical bracing member including an open proximal end and a distal end; a hollow cylindrical retracting member, the retracting member being slidable into the open proximal end of the bracing member, the retracting member having a proximal end; an actuation shaft, a proximal end of the actuation shaft being secured to the proximal end of the retracting member, a distal end of the actuation shaft being secured to the therapeutic working element, and at least one resilient connecting member having a proximal end attached proximate the proximal end of the retracting member, and a distal end attached proximate the distal end of the bracing member, whereby a manually applied external force applied to the at least one resilient connecting member urges the retracting member in a proximal direction with respect to the bracing member, thereby retracting the actuation shaft and operating the working element of the catheter system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A manual actuator for retracting and advancing a therapeutic working element of an intravascular catheter system, the manual actuator comprising:
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a hollow cylindrical bracing member including an open proximal end and a distal end; a hollow cylindrical retracting member, the retracting member being slidable into the open proximal end of the bracing member, the retracting member having a proximal end; an actuation shaft disposed axially within the retracting member and the bracing member; at least one pulling wire, the at least one pulling wire having a proximate end anchored proximate the proximate end of the retracting member and a distal end secured to the therapeutic working element; and at least one resilient connecting member having a proximal end attached proximate the proximal end of the retracting member, and a distal end attached proximate the distal end of the bracing member, whereby a manually applied external force applied to the at least one resilient connecting member urges the retracting member in a proximal direction with respect to the bracing member, thereby pulling on the at least one pulling wire, and retracting and operating the therapeutic working element of the catheter system. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A manual actuator for retracting and advancing a therapeutic working element of an intravascular catheter system via an actuation shaft, the manual actuator comprising:
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a hollow cylindrical bracing member including an open proximal end and a distal end; a hollow cylindrical retracting member, the retracting member being slidable into the open proximal end of the bracing member, the retracting member having a proximal end; an actuation shaft, a proximal end of the actuation shaft being secured proximal to the proximal end of the retracting member, a distal end of the actuation shaft being secured to the therapeutic working element, and a pair resilient connecting members, each connecting member of the pair having a proximal end pivotally attached to the retracting member proximate its proximate end, and a distal end pivotally attached to the bracing member proximate its distal end, whereby a manually applied external squeezing force applied to the pair of resilient connecting member urges the retracting member in a proximal direction with respect to the bracing member, thereby retracting the actuation shaft and operating the working element of the catheter system. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification