BALLOON CATHETER, IN PARTICULAR FOR DELIVERING DRUGS OR STENTS IN THE REGION OF A STENOSIS
First Claim
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1. A balloon catheter, in particular for delivering medicaments, stents or medicament-coated stents in a region of a stenosis, comprising:
- an outer shaft,an inner shaft, anda balloon at a distal catheter end, which balloon is dilatable by a feedable pressure fluid and which is attached with its proximal end to the outer shaft and with its distal end to the inner shaft which protrudes from the outer shaft in a distal direction,characterized bya cover sheath which is seated in a covering position over the balloon when contracted and is displaceably guided on the outer shaft in a proximal direction via its front opening by the dilating balloon while continuously releasing the same from distal to proximal.
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Abstract
A balloon catheter, in particular for delivering medicaments, stents or medicament-coated stents in the region of a stenosis, comprising
- an outer shaft (4)
- an inner shaft (6), and
- a balloon (7) at the distal catheter end, which balloon is dilatable by a feedable pressure fluid and which is attached with its proximal end (8) to the outer shaft (4) and with its distal end (9) to the inner shaft (6) which protrudes the outer shaft (4) in the distal direction,
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- a cover sheath (15) which is seated in a covering position over the contracted balloon (7) and is displaceably guided on the outer shaft (4) and which is displaceable on the outer shaft (4) in the proximal direction via its front opening (17) by the dilating balloon (7) while continuously releasing the same from distal to proximal.
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Citations
9 Claims
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1. A balloon catheter, in particular for delivering medicaments, stents or medicament-coated stents in a region of a stenosis, comprising:
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an outer shaft, an inner shaft, and a balloon at a distal catheter end, which balloon is dilatable by a feedable pressure fluid and which is attached with its proximal end to the outer shaft and with its distal end to the inner shaft which protrudes from the outer shaft in a distal direction, characterized by a cover sheath which is seated in a covering position over the balloon when contracted and is displaceably guided on the outer shaft in a proximal direction via its front opening by the dilating balloon while continuously releasing the same from distal to proximal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification