Trap balloon catheter with trap balloon retainer
First Claim
1. A trap balloon catheter, comprising:
- a catheter shaft extending distally from a hub of the catheter to a distal tip of the catheter, the catheter shaft having an overall length measured from the hub to the distal tip;
a trap balloon attached to a distal end region of the catheter shaft, the trap balloon being designed to be expanded within a guide catheter to secure a guidewire between the trap balloon and an inner surface of the guide catheter;
a trap balloon retainer coupled to the catheter shaft, the trap balloon retainer including a slidable member slidably disposed along the catheter shaft between a first position providing the catheter with a first working length and a second position providing the catheter with a second working length greater than the first working length;
wherein the first working length is configured to prevent the trap balloon from being positioned distal of a distal end of a first guide catheter when the catheter shaft is fully advanced distally through the first guide catheter up to the first working length;
wherein the second working length is configured to prevent the trap balloon from being positioned distal of distal end of a second guide catheter when the catheter shaft is fully advanced distally through the second guide catheter up to the second working length; and
wherein the overall length of the catheter shaft when the slidable member is at the first position is the same as the overall length of the catheter shaft when the slidable member is at the second position.
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Accused Products
Abstract
Medical devices, medical device systems, and methods for using the same are disclosed. An example medical device system may include a guide catheter having a proximal end, a distal end, and a lumen extending therebetween. The guide catheter may be designed to guide a therapeutic catheter to a target site. A guidewire may be disposed within the lumen of the guide catheter. The system may also include a trap balloon catheter including a catheter shaft and a balloon coupled to the catheter shaft. The trap balloon catheter may be designed to extend through the lumen of the guide catheter to a position adjacent to the distal end of the guide catheter. A trap balloon retainer may be coupled to the catheter shaft. The trap balloon retainer may be designed to prevent a distal end of the trap balloon catheter from extending distally beyond the distal end of the guide catheter.
65 Citations
20 Claims
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1. A trap balloon catheter, comprising:
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a catheter shaft extending distally from a hub of the catheter to a distal tip of the catheter, the catheter shaft having an overall length measured from the hub to the distal tip; a trap balloon attached to a distal end region of the catheter shaft, the trap balloon being designed to be expanded within a guide catheter to secure a guidewire between the trap balloon and an inner surface of the guide catheter; a trap balloon retainer coupled to the catheter shaft, the trap balloon retainer including a slidable member slidably disposed along the catheter shaft between a first position providing the catheter with a first working length and a second position providing the catheter with a second working length greater than the first working length; wherein the first working length is configured to prevent the trap balloon from being positioned distal of a distal end of a first guide catheter when the catheter shaft is fully advanced distally through the first guide catheter up to the first working length; wherein the second working length is configured to prevent the trap balloon from being positioned distal of distal end of a second guide catheter when the catheter shaft is fully advanced distally through the second guide catheter up to the second working length; and wherein the overall length of the catheter shaft when the slidable member is at the first position is the same as the overall length of the catheter shaft when the slidable member is at the second position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A trap balloon catheter, comprising:
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a catheter shaft extending distally from a hub of the catheter to a distal tip of the catheter, the catheter shaft having an overall length measured from the hub to the distal tip; a trap balloon attached to a distal end region of the catheter shaft, the trap balloon being designed to be expanded within a guide catheter to secure a guidewire between the trap balloon and an inner surface of the guide catheter; a trap balloon retainer coupled to the catheter shaft, the trap balloon retainer including a tubular member surrounding the catheter shaft; a sheath fixed to the catheter shaft and surrounding a proximal end region of the tubular member; wherein the tubular member is longitudinally slidable relative to the catheter shaft between a first position and a second position; wherein the overall length of the catheter shaft when the tubular member is at the first position is the same as the overall length of the catheter shaft when the tubular member is at the second position. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification