| 摘要 |
A catheter comprises a catheter shaft, at least one sleeve and at least one collar. At least a portion of the catheter shaft having a medical balloon mounted thereon. The medical balloon defines at least one waist which comprises a first waist portion and a second waist portion. The at least one sleeve has an upper surface and a lower surface. A first portion of the lower surface is engaged to the first waist portion. The at least one collar comprises a first collar portion and a second collar portion. The first collar portion is engaged to at least a portion of the upper surface of the at least one sleeve and the second collar portion is welded to the second waist portion of the medical balloon.
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