Medical device with one or more helical coils

Details Medical device with one or more helical coils Medical device with one or more helical coils

A - Human Necessities

61

F

A61F 2/04 (2006.01) A61F 2/06 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2363001

Medical devices, such as drainage stents, having coiled structures are useful in draining body fluids. A medical device has a first elongated section with a first cross-sectional area and a second elongated section with a second cross-sectional area. The second elongated section extends from the first elongated section. The second cross-sectional area is smaller than the first cross-sectional area. The second elongated section is or has at least one coiled structure with a plurality of turns, such as a helical coil tail.

L'invention concerne des dispositifs médicaux tels que des endoprothèses de drainage, qui présentent des structures enroulées et servent à drainer des fluides corporels. Un dispositif médical comporte une première partie allongée présentant une première superficie de section, et une deuxième section allongée présentant une deuxième superficie de section. La deuxième partie allongée s'étend à partir de la première partie allongée. La deuxième superficie de section est inférieure à la première superficie de section. La deuxième partie allongée constitue ou comporte au moins une structure enroulée présentant plusieurs enroulements, telle une queue à enroulement hélicoïdal.

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