| 摘要 |
The present invention provides for a method and apparatus (100) to facilitat e hemostasis at a blood vessel puncture site having a cannula (102) with a distal end (106), a proximal end (104), an inner diameter, and a lumen (110) extending between said distal end (106) and said proximal end (104); a bleed back port (112) located near the distal end (106); a pusher (116) having a t op (118), a bottom (120), and a lumen (122) extending between the top (118) and bottom (120), the bottom (120) is slidably received into the cannula lumen (102); a bleed back exit port (126) located near the top (118); and a pledge t (130) having a first end (132) and a second end (133), the first end (132) positioned at the distal end (106) within the cannula lumen (102), and the second end (133) positioned below the bleed back port (112).
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