A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/088 (2006.01) A61B 1/07 (2006.01) A61B 1/307 (2006.01) A61B 17/94 (2006.01) A61M 25/04 (2006.01)
Patent
CA 2526505
A flexible direct vision fiberoptical viewing or cable is provided for placement within a urinary catheter with its tip located at a distal end of the catheter such that the surfaces of the distal end of both the viewing cable and the catheter are aligned so as to fit together to form a composite smoothly curved surface to facilitate negotiating obstructions. The cable is maintained in this position such that the catheter with the surfaces that comprise the tip of the instrument are maintained in alignment. The urethra can be viewed therethrough during all or part of the insertion procedure for observing and identifying obstructions that may be present and thereafter the cable is withdrawn while allowing the catheter to remain in place within the urethra. The invention also includes a catheter that serves as a working sheath and an obturator. The invention facilitates endoscopic examination and can be used for performing surgical procedures through the sheath.
On prévoit un câble de visionnement à fibres optiques pour vision directe souple mis en place au sein d'un cathéter urinaire, dont le bout est placé sur l'extrémité distale du cathéter de manière que les surfaces de l'extrémité distale du câble de visionnement et du cathéter soient alignées afin de s'assembler et de former une surface composite à courbe lisse dans le but de résoudre les problèmes liés aux obstructions. Le câble est maintenu dans cette position de manière que le cathéter aux surfaces comprenant le bout l'instrument soit maintenu en alignement. L'urètre peut être visionné pendant toute l'opération d'insertion ou une partie de cette opération afin d'observer et d'identifier les obstructions pouvant apparaître, puis le câble est retiré alors que le cathéter reste en place dans l'urètre. L'invention concerne également un cathéter servant de gaine de travail et un obturateur. L'invention facilite l'examen endoscopique et peut servir à effectuer des opérations chirurgicales à travers la gaine.
Borden Ladner Gervais Llp
Singh Errol O.
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