WILLOUGHBY, Brian James,OLIVER, Christopher Lee,ROSS, Harry,CIMINO, William W.
申请号：
ES14705237
公开号：
ES2652298T3
申请日:
2014.01.24
申请国别(地区):
ES
年份:
2018
代理人:
摘要：
An implant device for access to the paranasal sinuses (200, 630, 700, 800, 800 ', 970) useful for implantation in a human and thus fluidly connect a tear apparatus with a paranasal sinus through a fistula created between the tear apparatus and the paranasal sinus, the implant device comprising: a proximal end (202, 716, 816) at a first longitudinal end of the device； a distal end (204, 634, 718, 818) at a second longitudinal end of the device, which is longitudinally opposite the first longitudinal end； a conduit (208, 240, 250, 704, 804, 804 ') between the proximal end and the distal end； an internal passage (210, 738, 838) through the conduit； a length (714, 814) of the implant device longitudinally along the device between the proximal end and the distal end, in a range of 8 millimeters to 50 millimeters； and a width (740, 840) of the internal passage transverse to the length, in a range of 0.25 millimeters to 5 millimeters； characterized in that the duct includes a first longitudinal part (706, 806) and a second longitudinal part (708, 808) located towards the distal end with respect to the first longitudinal part； wherein the first longitudinal part of the conduit has a length of at least 3 millimeters, and the second longitudinal part of the conduit has a length of at least 3 millimeters； the first longitudinal part of the duct having a first minimum wall thickness adjacent to the internal passage； and the second longitudinal part of the duct having a second minimum wall thickness adjacent to the internal passage, which is less than the first minimum wall thickness, in which the first minimum wall thickness is at least 0.05 millimeters more than the second minimum wall thickness； the implant device being configured to implant and fluidly connect the tear apparatus with the paranasal sinus, so that when it is implanted: the proximal end is arranged in the tear apparatus； the distal end is arranged in the paranasal sinus； and the conduit is disposed through the
