Resources Contact Us Home
Self-sticking needle assembly and method for insertion into an artery

Image Number 3 for United States Patent #5425718.

The needle assembly of the present invention includes a rigid cannula with a blunt distal end, a needle housed inside the cannula, a hub on the needle for controlling the position of the distal end of the needle with respect to the distal end of the cannula and a stop connected to the cannula for limiting the distance of travel of the distal end of the needle. The preferred embodiment may also include a spring attached to the needle hub. The present invention also encompasses methods of using the needle assembly.

  Recently Added Patents
Behavioral fingerprint based authentication
Collaborative computing community role mapping system and method
Dual work function recessed access device and methods of forming
Techniques for forming a contact to a buried diffusion layer in a semiconductor memory device
Heteroleptic iridium complexes as dopants
Battery pack with interchangeable circuit substrates
Strongly bound carbon nanotube arrays directly grown on substrates and methods for production thereof
  Randomly Featured Patents
Automatic lens meter
Control process for continuous skin pass operation for metal strip
Striking tool
Automatic exposure control apparatus and method
Method of making fishing lure
Waterproof manhole assembly assisted by hydraulic device
System and method for efficiently calculating storage required to split a clone volume
Methods and apparatus for mounting a bimetal coil in a thermostat
Offline teaching apparatus for robot