Disposable bladder for intrauterine use

A - Human Necessities – 61 – F

Patent

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Details

A61F 7/12 (2006.01) A61B 18/08 (2006.01) A61B 17/00 (2006.01) A61B 17/42 (2006.01) A61F 7/00 (2006.01)

Patent

CA 2291173

A catheter device (10) with disposable bladder is provided for intrauterine use and comprises a reusable introducer (12), a disposable bladder subassembly (14), a liquid source (28) for pressurizing the bladder with a liquid, and a heater (32) for heating the liquid enclosed within the bladder to a desired treatment temperature. The reusable introducer (12) includes a catheter (16) with a proximal end portion (20) thereof carrying the heater (32). The disposable bladder subassembly (14) includes a distendable balloon (22) that terminates in a hollow, elongated rigid sleeve (26). A contact seal exists between the disposable balloon (22) and the introducer (12). The device (10) is especially well suited for effecting necrosis of substantially all of the tissue lining human uterus, and is specifically configured for intrauterine use.

Cette invention concerne un dispositif (10) de type cathéter comprenant une vessie jetable et destiné à une utilisation intra-utérine. Ce dispositif comprend un système d'introduction réutilisable (12), un sous-système de vessie jetable (14), une source (28) d'un liquide servant à mettre la vessie sous pression, ainsi qu'une unité de chauffage (32) permettant de chauffer le liquide situé dans la vessie à la température de traitement voulue. Le système d'introduction réutilisable (12) comprend un cathéter (16) sur l'extrémité proximale (20) duquel se trouve l'unité de chauffage (32). Le sous-système de vessie jetable (14) comprend un ballonnet (22) qui peut se distendre et qui se termine en un manchon (26) creux, rigide et allongé. Un joint de contact est disposé entre le ballonnet jetable (22) et le système d'introduction (12). Ce dispositif (10) est destiné spécifiquement à une utilisation intra-utérine, et convient tout particulièrement à des opérations de nécrose de la quasi-totalité du tissu recouvrant l'utérus chez un patient.

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