Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-09-30
1999-08-31
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604168, 604171, 604177, A61M 2500
Patent
active
059446951
ABSTRACT:
A multiple sheath catheter is provided for placing an IV catheter or other medical instrument into a blood vessel of a patient. The multiple sheath catheter includes a first stage catheter having a distal end for introducing into a blood vessel, a proximal end, and an internal lumen between the distal and proximal ends. Disposed lengthwise within the lumen of the first stage catheter is a needle for piercing a blood vessel of a patient. The device uses a small diameter needle to gain venous access, thereby reducing the probability of failure. The multiple sheath catheter also includes a second stage catheter or introducer.
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Davis Bryan G.
Johnson Steven W.
Becton Dickinson and Company
Yasko John D.
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