Access port valve assembly
AssigneeAvesto Tech B.V.
InventorsPeter Lodewijk Joannes Nijland, Berndina Johanna Westenbroek, Thomas Lambertus Bernardus Nijland
Life of this patent
Estimating the term…
Abstract
The invention relates to a valve assembly (20) for use in an access port, in particular a medical access port. The valve assembly comprises a first sealing valve (1) and a second sealing valve (2). The second sealing valve (2) is provided with an annular base (21) and a central member (23) with a central bore (24). The central member (23) is at the outer circumference movably suspended to the annular base (21) by means of a flexible diaphragm (22), which diaphragm (22) is more flexible than the central member (23). The invention also relates to a medical access port provided with such a valve assembly.
Claims8
A valve assembly (20) for use in an access port, in particular a medical access port, comprising:
- a first sealing valve (1);
- and
- a second sealing valve (2) provided with an annular base (21) and a central member (23) having a wall with a radially outwardly increasing thickness being provided with a funnel shaped entrance (26) to a central bore (24), wherein the central member (23) is at the outer circumference movably suspended to the annular base (21) by means of a flexible diaphragm (22), which diaphragm (22) is more flexible than the central member (23) characterized in that the central member (23) is substantially disk shaped with a height H and diameter D, wherein the ration H/D is at least 0.15 and preferably 0.5, such that the wall forming the bore is thick enough to provide a stable shape of the bore.
Dependencies are inferred from the claim text.