| 摘要 |
There is disclosed herein a transluminal delivery system for a self-expanding luminal prosthesis, the system comprising an inner catheter component (30) and a retractable sheath (12) to surround the component thereby to define an annular space to receive the prosthesis (10), the component exhibiting an anti-sliding component, for abutting a luminal surface portion of the prosthesis (10) to restrain the prosthesis from sliding with the sheath (12), and relative to the inner catheter (30), while the sheath retracts relative to the prosthesis to release the prosthesis progressively into the target bodily lumen characterised in that the anti-sliding component is or includes at least one sleeve (36, 50, 66, 76) having a length direction parallel to the longitudinal axis of the annular space and having at least one bound portion (33, 52, 64, 65, 74) of its length that is not free to slide on the inner catheter, and at least one unbound portion of its length with a capability to slide axially on the inner catheter (30) and thereby to exhibit a radial swelling capability, to deliver an increase in the radial thickness of the sleeve (36, 50, 66, 76) while the sheath retracts. Associated methods are also disclosed.
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