Catheter pump with access ports
First Claim
Patent Images
1. A catheter pump comprising:
- an elongate catheter body;
an impeller assembly coupled to a distal portion of the elongate catheter body, the impeller assembly comprising an impeller configured to rotate during operation of the catheter pump; and
an access channel extending through at least portions of the elongate catheter body and the impeller assembly, the access channel extending distal the impeller and proximal the impeller, the access channel configured to remain in the portions of the elongate catheter body and the impeller assembly during operation of the catheter pump, wherein the access channel extends through the impeller,wherein the access channel comprises a guidewire guide configured to receive a guidewire therethrough for navigating the impeller assembly through a portion of a vascular system of a patient.
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Accused Products
Abstract
A catheter pump is disclosed herein. The catheter pump can include an elongate catheter body and an impeller assembly coupled to a distal portion of the elongate catheter body. The impeller assembly can comprise an impeller configured to rotate during operation of the catheter pump. A tube can extend through at least portions of the elongate catheter body and the impeller assembly. The tube can extend distal the impeller and can be configured to remain in the portions of the elongate catheter body and the impeller assembly during operation of the catheter pump.
507 Citations
21 Claims
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1. A catheter pump comprising:
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an elongate catheter body; an impeller assembly coupled to a distal portion of the elongate catheter body, the impeller assembly comprising an impeller configured to rotate during operation of the catheter pump; and an access channel extending through at least portions of the elongate catheter body and the impeller assembly, the access channel extending distal the impeller and proximal the impeller, the access channel configured to remain in the portions of the elongate catheter body and the impeller assembly during operation of the catheter pump, wherein the access channel extends through the impeller, wherein the access channel comprises a guidewire guide configured to receive a guidewire therethrough for navigating the impeller assembly through a portion of a vascular system of a patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 10, 11, 13)
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9. A catheter pump comprising:
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an elongate catheter body; an impeller assembly coupled to a distal portion of the elongate catheter body, the impeller assembly comprising an impeller configured to rotate during operation of the catheter pump; an access channel extending through at least portions of the elongate catheter body and the impeller assembly, the access channel extending distal the impeller and configured to remain in the portions of the elongate catheter body and the impeller assembly during operation of the catheter pump; and a tip member at a distal portion of the impeller assembly, the access channel extending between the impeller and the tip member, wherein the access channel passes through a lumen extending through the tip member, wherein a distal end of the access channel is disposed adjacent a shoulder, the shoulder defining an interface between a first portion of the lumen and a second portion of the lumen, the second portion of the lumen narrower than the first portion of the lumen, the access channel passing through the first portion of the lumen.
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12. A catheter pump comprising:
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an elongate catheter body; an impeller assembly coupled to a distal portion of the elongate catheter body, the impeller assembly comprising an impeller configured to rotate during operation of the catheter pump; and an access channel extending through at least portions of the elongate catheter body and the impeller assembly, the access channel extending distal the impeller and configured to remain in the portions of the elongate catheter body and the impeller assembly during operation of the catheter pump, wherein the catheter pump is configured such that the access channel does not rotate with the impeller. - View Dependent Claims (20, 21)
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14. A method of operating a catheter pump, the method comprising:
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advancing a guidewire to a treatment location in a patient; disposing a distal end of a guidewire guide tube over the guidewire, the guidewire guide tube disposed in a catheter pump comprising a catheter body and an impeller assembly coupled to a distal portion of the catheter body, the guidewire guide tube disposed distal and proximal the impeller assembly, the impeller assembly comprising an impeller, the guidewire guide tube extending through the impeller; advancing the impeller assembly, the catheter body, and the guidewire guide tube along the guidewire to position the impeller assembly at the treatment location; and activating the impeller assembly to pump blood while maintaining the guidewire guide tube in the catheter pump. - View Dependent Claims (15, 16, 17, 19)
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18. A method of operating a catheter pump, the method comprising:
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advancing a guidewire to a treatment location in a patient; disposing a distal end of a guidewire guide tube over the guidewire, the guidewire guide tube disposed in a catheter pump comprising a catheter body and an impeller assembly coupled to a distal portion of the catheter body; advancing the impeller assembly, the catheter body, and the guidewire guide tube along the guidewire to position the impeller assembly at the treatment location; and activating the impeller assembly to pump blood while maintaining the guidewire guide tube in the catheter pump; deactivating the impeller assembly; inserting a second guidewire through the guidewire guide tube while the guidewire guide tube remains in the patient; and repositioning the impeller assembly using the second guidewire.
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Specification