Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1993-09-09
1994-05-24
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604280, A61M 2500
Patent
active
053144180
ABSTRACT:
There is disclosed a draining cannula to be connected with the left atrium which comprises a tip portion (A), a curvature portion (B) connected with said tip portion and a body tubular portion (C) connected with said curvature portion. The length and the outer diameter of said cannula is sufficient for inserting the cannula into the femoral vein and for reaching the tip portion the left atrium passing through the cava, the right atrium and the interatrial septum. The portion (B) is made of a material which is more flexible than that of said portion (C). A resilient spiral thin wire is provided within the thickenss of the wall part defining the lumen of the curvature portion (B). The cannula is used for draining from the left atrium by inserting it into the femoral vein and passing the tip portion (A) of said cannula through the cava, the right atrium and the interatrial septum to reach the left atrium, without thoracotomy.
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Kashiwabara Susumu
Kimura Takashi
Nakatani Takeshi
Sasaki Eisaku
Taenaka Yoshiyuki
Mendez Manuel
Toyo Boseki Kabushiki Kaisha
Yasko John D.
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