Hemostasis cannula

Details Hemostasis cannula Hemostasis cannula

A - Human Necessities

61

M

A61M 25/01 (2006.01)

Patent

CA 2235609

This invention is a hemostasis cannula comprising a housing (10) having a passage (11) therethrough size to receive a catheter (57), and a valve body (1) (1') (1") mounted in the passage (11). The valve body (1) (1') (1") includes an opening (2) (3) (102) (103) (112) (113) (2') (3') (2") (3") therethrough which forms a seal around a catheter (57) enclosed within the cannula. In one embodiment, an internal ring (8") of pliable material lines at least a portion of the interior of the opening (3 '). The valve body (1) (1') (1") is compressed within the cannula housing (10). When the catheter (57) is removed, the valve body (1) (1') (1") closes thus blocking airflow into the patient's blood vessel and also blocking blood flow out of the patient's blood vessel. The cannula housing (10) also includes a side port (45) for introducing fluids into the patient's blood vessel.

L'invention est une cannule d'hémostase comprenant un logement (10) dans lequel se trouve un passage (11) dimensionné pour recevoir un cathéter (57), et un corps de clapet (1, 1', 1") monté dans le passage (11). Le corps de clapet (1, 1', 1") présente une ouverture (2, 3, 102, 103, 112, 113, 2', 3', 2", 3") traversante formant un joint autour d'un cathéter (57) contenu dans la cannule. Dans un mode de réalisation, un anneau intérieur (8") en matière souple garnit au moins une partie de l'intérieur de l'ouverture (2", 3"). Le corps du clapet (1, 1', 1") est comprimé à l'intérieur du logement (10) de la cannule. Lorsque l'on retire le cathéter (57), le corps du clapet (1, 1', 1") se ferme, bloquant ainsi le flux d'air vers l'intérieur du vaisseau sanguin du patient, et bloquant également le flux sanguin sortant du vaisseau sanguin du patient. Le logement (10) de la cannule comprent également un orifice latéral (45) destiné à l'introduction de fluides dans le vaisseau sanguin du patient.

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