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Venekateter for koaksial blodström og anvendelse av en splittnål for innföring av dette i en vene
Venekateter for koaksial blodström og anvendelse av en splittnål for innföring av dette i en vene
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机译：用于同轴血流的静脉导管，以及使用剖针将其插入静脉
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PCT No. PCT/NO97/00192 Sec. 371 Date Mar. 5, 1999 Sec. 102(e) Date Mar. 5, 1999 PCT Filed Jul. 25, 1997 PCT Pub. No. WO98/04313 PCT Pub. Date Feb. 5, 1998An intravenous catheter comprising an inner return tube (1) having return mouth or tip (2) and attached to the return tube (1) an outer access or draw-off tube (3) having draw-off openings (4), where tube (3) and openings (4) are arranged around and coaxial with the inner tube (1), at least along that part which in use is to be inside the vein (8), whereby the distal end of the return tube (1) extends beyond the distal end of the access tube (3), the distance between the return mouth (2) and this distal end preferably being at least twice the width of an approved stasis band.
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