Disposable needle and anesthetic carrier assembly

A disposable needle handle and anesthetic carrier assembly for delivering liquid anesthetic under pressure into living tissues, the anesthetic being contained in disposable vials having an anesthetic reservoir between a piston at one end and a piercable self-sealing membrane at the other end through which the reservoir is tapped, the anesthetic being delivered by a pumping station having a movable plunger to engage the piston, the invention comprising:

• a holster at one end to receive the vial with its piston adjacent the open end;
• wall means to confine the vial laterally in the holster;
• a tubular hollow membrane piercing probe at the opposite end of the holster from the open end and formed integrally with the holster to engage and pierce the membrane of the vial;
• and
• a flexible microbore tube having one end coupled in pressure sealing relationship to the hollow tubular probe and the other end coupled in pressure sealing relationship to the needle at its handle;
• said wall means of the holster having a geometry to expose a portion of the vial to afford a frictional finger grip on the vial, whereby the vial can be pulled free of the piercing probe when the holster is detached from the pumping station.