Closed arteriovenous puncture trocar

Closed arteriovenous puncture trocar

  • CN 105,496,516 A
  • Filed: 12/07/2015
  • Published: 04/20/2016
  • Est. Priority Date: 12/07/2015
  • Status: Active Application
First Claim
Patent Images

1. a closed artery and vein puncture trocar, comprise puncture needle (1) and sleeve pipe (2), described sleeve pipe (2) comprises the head (22) being provided with soft needle tubing (21) and the casing main body (24) being provided with path (23), it is characterized in that:

  • described casing main body (24) is provided with the switch (3) of control access (23) folding, described switch (3) is provided with the cavity (31) with path (23) UNICOM, is sealed with elastic sealing element (32) in described cavity (31).

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