Telescoping guide catheter with peel-away outer sheath
First Claim
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1. A guide catheter having proximal and distal ends, comprising:
- an outer guide having an open lumen and a longitudinal pre-stress line extending between a distal end and a proximal end of the outer guide;
an inner guide having an open lumen, the inner guide movably disposed within the open lumen of the outer guide such that the inner guide can rotate axially and translate longitudinally relative to the outer guide; and
a guide handle having a distal end connected to the proximal end of the outer guide, the guide handle separable into at least two sections such that guide handle separation splits the outer guide along the longitudinal pre-stress line at the proximal end of the outer guide, the outer guide further splitting along the longitudinal pre-stress line upon outer guide retraction in a proximal direction relative to the inner guide.
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Abstract
A guide catheter employs a retractable inner guide movably disposed within an open lumen of a splittable outer guide. The outer guide includes a longitudinal pre-stress line extending from distal to proximal ends. The inner guide includes an open lumen adapted to receive a payload. The inner guide is translatable and rotatable relative to the outer guide. The guide catheter further includes a proximally attached guide handle which is separable into at least two sections. Separation of the guide handle splits the proximal end of the outer guide. Proximal outer guide retraction continues the splitting of the outer guide along the longitudinal pre-stress line.
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Citations
23 Claims
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1. A guide catheter having proximal and distal ends, comprising:
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an outer guide having an open lumen and a longitudinal pre-stress line extending between a distal end and a proximal end of the outer guide;
an inner guide having an open lumen, the inner guide movably disposed within the open lumen of the outer guide such that the inner guide can rotate axially and translate longitudinally relative to the outer guide; and
a guide handle having a distal end connected to the proximal end of the outer guide, the guide handle separable into at least two sections such that guide handle separation splits the outer guide along the longitudinal pre-stress line at the proximal end of the outer guide, the outer guide further splitting along the longitudinal pre-stress line upon outer guide retraction in a proximal direction relative to the inner guide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A guide catheter for delivery of a payload into a patient'"'"'s heart, comprising:
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an outer guide having an open lumen and a longitudinal pre-stress line extending between a distal end and a proximal end of the outer guide;
an inner guide having an open lumen adapted to receive the payload, the inner guide movably disposed within the open lumen of the outer guide such that the inner guide can rotate axially and translate longitudinally relative to the outer guide; and
a guide handle having a distal end connected to the proximal end of the outer guide, the guide handle separable into at least two sections such that guide handle separation splits the outer guide along the longitudinal pre-stress line at the proximal end of the outer guide, the outer guide further splitting along the longitudinal pre-stress line upon outer guide retraction in a proximal direction relative to the inner guide, the inner guide securing the payload to inhibit dislodgment of the payload during outer guide retraction. - View Dependent Claims (14, 15, 16, 17)
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18. A method of inserting a payload into a coronary sinus of a patient'"'"'s heart, comprising:
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providing a guide catheter comprising;
an outer guide having an open lumen and a longitudinal pre-stress line extending between a distal end and a proximal end of the outer guide;
an inner guide having an open lumen, the inner guide movably disposed within the open lumen of the outer guide such that the inner guide can rotate axially and translate longitudinally relative to the outer guide; and
a guide handle having a distal end connected to the proximal end of the outer guide, the guide handle separable into at least two sections such that guide handle separation splits the outer guide along the longitudinal pre-stress line at the proximal end of the outer guide, the outer guide further splitting along the longitudinal pre-stress line upon outer guide retraction in a proximal direction relative to the inner guide;
inserting a distal end of the guide catheter through the patient'"'"'s right atrium via an access vessel;
axially rotating and longitudinally translating the inner guide relative to the outer guide to direct a distal end of the inner guide for finding and cannulating the patient'"'"'s coronary sinus;
inserting the payload through the proximal end of the inner guide to insert the payload into the patient'"'"'s coronary sinus;
removing the outer guide by separating the guide handle into at least two sections to split the outer guide along the longitudinal pre-stress line; and
further splitting the outer guide along the longitudinal pre-stress line by retracting the outer guide in a proximal direction relative to the inner guide, the inner guide securing the payload against dislodgment during outer guide retraction. - View Dependent Claims (19, 20)
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21. A method of inserting a payload into a coronary sinus of a patient'"'"'s heart, comprising:
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providing a guide catheter comprising;
an outer guide having an open lumen and a longitudinal pre-stress line extending between a distal end and a proximal end of the outer guide;
an inner guide having an open lumen, the inner guide movably disposed within the open lumen of the outer guide such that the inner guide can rotate axially and translate longitudinally relative to the outer guide; and
a guide handle having a distal end connected to the proximal end of the outer guide, the guide handle separable into at least two sections such that guide handle separation splits the outer guide along the longitudinal pre-stress line at the proximal end of the outer guide, the outer guide further splitting along the longitudinal pre-stress line upon outer guide retraction in a proximal direction relative to the inner guide;
inserting a distal end of the guide catheter through the patient'"'"'s right atrium via an access vessel;
axially rotating and longitudinally translating the inner guide relative to the outer guide to direct a distal end of the inner guide for finding and cannulating the patient'"'"'s coronary sinus;
distally advancing the outer guide over the inner guide to seat the outer guide in the patient'"'"'s coronary sinus;
proximally retracting the inner guide to remove the inner guide from the outer guide;
inserting the payload through the proximal end of the outer guide to insert the payload into the patient'"'"'s coronary sinus;
removing the outer guide by separating the guide handle into at least two sections to split the outer guide along the longitudinal pre-stress line; and
further splitting the outer guide along the longitudinal pre-stress line by retracting the outer guide in a proximal direction relative to the payload. - View Dependent Claims (22, 23)
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Specification
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Current AssigneeCardiac Pacemakers Incorporated (Boston Scientific Corporation)
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Original AssigneeCardiac Pacemakers Incorporated (Boston Scientific Corporation)
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InventorsPeterson, Charles R., Graham, Howard P., Manning, Frank E.
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current600/435
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CPC Class CodesA61M 2025/0175 having telescopic features,...A61M 25/0668 splittable, tear apartA61N 1/056 Transvascular endocardial e...A61N 2001/0578 having means for removal or...
