Patent ID: 8905973
Filing Date: 2014-12-09
Classification: A61B,A61M

Abstract:
1. A hemostasis valve, comprising: a housing having a proximal end defining a proximal opening and a distal end defining a distal opening, said proximal and distal openings configured for passage of a medical device therethrough, said housing further defining a cavity between said proximal and said distal ends; a first roller configured to be received within said cavity and configured for rotation about a first axis, said first roller defining first and second axial end sections and a central section intermediate said first and second axial end sections, wherein an outer surface diameter of each of said first and second axial end sections is greater than an outer surface diameter of said central section; and, a first sleeve disposed about said first roller, said first sleeve comprising a radially inner surface and a radially outer surface, said radially inner surface nearer to said first axis than said radially outer surface, said radially inner surface of said first sleeve engages said outer surface of each of said first and second axial end sections, said first sleeve elastically deformable and configured to assume a first form when the medical device is absent from said cavity wherein said radially inner surface of said first sleeve is located at a first distance from said central section of said first roller and a second form when the medical device is present in said cavity wherein said radially inner surface of said first sleeve is located at a second distance from said central section of said first roller, said second distance less than said first distance.