Surgery – Means for introducing or removing material from body for... – Material introduced into and removed from body through...
Patent
1987-03-02
1989-05-30
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Material introduced into and removed from body through...
604170, 604250, 251 4, A61M 2500
Patent
active
048347027
ABSTRACT:
A kidney-ureter catheter unit comprises a flexible catheter (2) provided with an introduction end (2a) of truncated conical form close to which radial drainage holes (3) are pierced. Within catheter (2) is slidably engageable a semi-rigid dilator mandrel (4) provided with an introduction end (4a) of truncated conical form and in turn slidably engaged by a semi-rigid guide element (12) having a rounded introduction end (12a). A spring (5) detachably fastens mandrel (4) to catheter (2) in an insertion condition with respect to each other in which the introduction ends (2a, 4a) of catheter (2) and mandrel (4) have the respective generators in alignment, so as to form a continuous frusto-conical surface.
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Hoechst Italia Sud SPA
Pellegrino Stephen C.
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