Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Safety syringe










Image Number 3 for United States Patent #7799002.

An improved safety hypodermic syringe includes a reciprocal tubular needle sheath disposed on the exterior of the syringe body, a latch mechanism engaging the syringe body and the sheath to latch the sheath in a needle-covering position after delivering contents from the syringe body, and a spring engaging the syringe body and the sheath and expandable to move the sheath to cover the needle point, where the spring is a non-uniform helical spring having multiple 360.degree. turns each turn uniformly spaced from adjacent turns, each 360.degree. turn comprising first and second alternating angled portions, the first of the alternating angled portions being at a first angle to a plane perpendicular to an axis through the center of the helical spring and the second angled portions being at a second lesser angle to the plane perpendicular to the axis.








 
 
  Recently Added Patents
Active pellet without chemical additives
ActRIIB proteins and variants and uses therefore relating to utrophin induction for muscular dystrophy therapy
Display screen or portion thereof with graphical user interface
Method of creating exercise routes for a user and related personal navigation device
Frothable aqueous composition for use in a carpet backing composition
Real-time application of filters based on image attributes
Adaptive contact window wherein the probability that an answering user/expert will respond to a question corresponds to the answering users having response rates that are based on the time of
  Randomly Featured Patents
Self service gas cap
Color-imparting contact lenses
Network access device location
Video disc player with RFI reduction circuit including sync tip clamp
Method of fabricating chips and an associated support
System and method for mitigation of malicious network node activity
Method and device for decoding an image compressed in particular according to the MPEG standards, especially a bidirectional image
Apparatus for monitoring rotary machines
Porous alumina fabrication procedures
Radiation detector having a ribbed scintillator