| Patent Number |
Title Of Patent |
Date Issued |
| 4569764 |
Collection device with phase partitioning means |
February 11, 1986 |
| A fluid collection device is provided which includes a container for receiving a liquid, such as blood, which is centrifugally separable into relatively light and heavy phases, and a phase partitioning device in the container. The partitioning device includes a bag filled with a thix |
| 4418580 |
Pipettor mechanism and disposable tip and piston assembly |
December 6, 1983 |
| A disposable tip and piston assembly for a pipettor mechanism includes a hollow tip member adapted to be detachably connected on the distal end of the pipettor mechanism, and a piston member slidably disposed within the tip. The pipettor mechanism includes a plunger rod adapted to detach |
| 4308232 |
Anticoagulant stopper coating |
December 29, 1981 |
| A stopper for a blood collection tube adapted to receive whole blood for centrifugal separation into its relatively light and heavy phases. The stopper is provided with a coating which prevents red blood cells from adhering to it so as to avoid red cell contamination of the lighter phase |
| 4276250 |
Apparatus and method for producing tubular extrusions having axial sections of materials having |
June 30, 1981 |
| Apparatuses and methods for simultaneously extruding two lengths of plastic tubing wherein each of said lengths includes alternate axial sections of materials having different characteristics (e.g., a harder material and a softer material). The apparatus includes two extruders which feed |
| 4235229 |
Adjustable tracheostomy tube assembly |
November 25, 1980 |
| A tracheostomy tube assembly (10) includes a tracheostomy tube (11) and a neck collar (14), which limits movement of the tracheostomy tube (11), but allows adjustment of the height of the tracheostomy tube (11). The collar (14) has a deformable sleeve (29) that is oversized relative to a |
