A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 39/04 (2006.01)
Patent
CA 2216249
A self-healing seal is provided which is particularly adaptable for use in medical applications. The seal includes a housing which defines an interior volume. The housing is formed of a rigid or semi-rigid material such as a rubber or other elastomeric material. A viscous flowable material is disposed within, and substantially fills, said interior chamber of the housing. The viscous flowable material is typically a gel, such as silicone gel. The self-healing seal is configured such that if it is penetrated by an object such as a hypodermic needle, when the needle is subsequently removed, the viscous flowable material flows in such a manner as to fill the space previously occupied by the penetrating object. At the same time the housing is sufficiently elastic to maintain the viscous material within the interior volume of the housing. In this manner a liquid impermeable seal is formed.
Dispositif étanche auto-guérison, convenant particulièrement bien pour des applications médicales. Le dispositif comporte un logement délimitant un volume interne. Le logement est constitué d'une matière rigide ou semi-rigide, comme du caoutchouc ou un autre matériau élastomère. Une matière visqueuse fluide remplit pratiquement toute la chambre interne du logement. La matière visqueuse est généralement un gel, comme un gel de silicone. Le dispositif auto-guérison est configuré de telle façon que, si un objet, comme une aiguille hypodermique, y pénètre et est ensuite retiré, alors la matière visqueuse s'écoule de façon à remplir l'espace précédemment occupé par l'objet. De plus, le logement est suffisamment élastique pour maintenir la matière visqueuse à l'intérieur de la chambre du logement. De cette façon, un dispositif liquide étanche est formé.
Erskine Timothy J.
Musgrave Kenneth C.
Becton Dickinson And Company
Gowling Lafleur Henderson Llp
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