This invention relates to a new and novel device to assist and improve percutaneous vein catheterization of patients. More particularly, this invention relates to a catheterization device which is self-tunneling, has a sleeve for protecting the catheter in the subcutaneous tissue beneath the puncture...http://www.google.es/patents/US5755697?utm_source=gb-gplus-sharePatente US5755697 - Self-tunneling, self-securing percutaneous catheterization device and method of use thereof
Self-tunneling, self-securing percutaneous catheterization device and method ...
