A hollow surgical disposable needle of the Redon type and posteriorly surrounding and retaining a tube-shaped drain manufactured in one piece of a strip of stainless steel. This strip is bent into pipe-shape and pressed together at its front end in such a manner that the compressed part of the pipe comprises...http://www.google.fr/patents/US4496353?utm_source=gb-gplus-shareBrevet US4496353 - Hollow surgical disposable needle, preferably of the Redon type
Hollow surgical disposable needle, preferably of the Redon type