Fiber based medical devices and aspiration catheters
First Claim
1. An actuation tool for manipulating a medical device comprising an overtube and a corewire within a lumen of the overtube, wherein a proximal end of the corewire extends from a proximal end of the overtube;
- the actuation tool comprising;
a support structure;
an overtube connection supported by the support structure, the overtube connection comprising a fastening element configured for gripping the overtube at or near its proximal end with the corewire extending outward from the overtube;
a corewire connection supported by the support structure, the corewire connection comprising a corewire connecting element configured to grip the corewire at or near its proximal end;
an adjustable channel comprising slidably engaging channel portions forming a lumen, the adjustable channel being supported within the support structure, the adjustable channel extending between the overtube connection and the corewire connection, wherein the lumen has a diameter larger than the diameter of the corewire that effectively receives the entire length of the corewire between the corewire connection and the overtube connection with nominal clearance to prevent bending of the corewire; and
a control element comprising a rotatable element and a lateral transmission element operably connected to the adjustable channel wherein the control element converts rotational motion of the rotatable element to relative translational motion of the engaging channel portions to change the length of the adjustable channel and adjust the relative distance of the overtube connection and the corewire connection to move the proximal ends of the overtube and the corewire toward or away from each other when the overtube and corewire are respectively gripped by the overtube connection and the corewire connection.
2 Assignments
0 Petitions
Accused Products
Abstract
Systems for less invasive medical procedures comprise a filter device mounted on an integrated guiding structure and an aspiration catheter. These components can be used together or separately, and the system can be used with other medical devices that are designed for less invasive procedures, such as procedures in a patient'"'"'s vasculature. The filter device can involve improved torque coupling with a torque coupler associated with a resilient member that correspondingly also provides increased flexibility relative to an overtube that forms a tube for the remaining portions of the device. An actuation tool for the filter device used a systematic loading procedure for proper loading of the corewire and overtube into the actuation tool. A fiber cartridge comprises fibers loaded as a bundle into the cartridge for delivery with the ends of the fibers respectively bonded to radiopaque markers that can be visualized to come together when the filter is properly deployed. The aspiration catheter generally has a rapid exchange format. The catheter can have a radiopaque band that is held in place under metal wire embedded within the polymer forming the tube of the catheter. In some embodiments, the aspiration catheter has a small diameter distal portion that can access into small diameter vessels in which the distal portion has a smaller average diameter than the remaining tube of the catheter.
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Citations
12 Claims
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1. An actuation tool for manipulating a medical device comprising an overtube and a corewire within a lumen of the overtube, wherein a proximal end of the corewire extends from a proximal end of the overtube;
- the actuation tool comprising;
a support structure; an overtube connection supported by the support structure, the overtube connection comprising a fastening element configured for gripping the overtube at or near its proximal end with the corewire extending outward from the overtube; a corewire connection supported by the support structure, the corewire connection comprising a corewire connecting element configured to grip the corewire at or near its proximal end; an adjustable channel comprising slidably engaging channel portions forming a lumen, the adjustable channel being supported within the support structure, the adjustable channel extending between the overtube connection and the corewire connection, wherein the lumen has a diameter larger than the diameter of the corewire that effectively receives the entire length of the corewire between the corewire connection and the overtube connection with nominal clearance to prevent bending of the corewire; and a control element comprising a rotatable element and a lateral transmission element operably connected to the adjustable channel wherein the control element converts rotational motion of the rotatable element to relative translational motion of the engaging channel portions to change the length of the adjustable channel and adjust the relative distance of the overtube connection and the corewire connection to move the proximal ends of the overtube and the corewire toward or away from each other when the overtube and corewire are respectively gripped by the overtube connection and the corewire connection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- the actuation tool comprising;
Specification