Power injector and side loadable syringe support therefor for pl

Details Power injector and side loadable syringe support therefor for pl Power injector and side loadable syringe support therefor for pl

1997-07-16

1999-02-02

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604218, A61M 3700

Patent

active

058658050

ABSTRACT:
A power injector is provided for injecting fluid from a replaceable syringe into the body of an animal. The syringe includes a syringe adapter interface for accepting side mountable syringes having pushrod extensions for actuating the syringe plungers from a point behind the syringe body. The injector is provided with an operator-removable and interchangeable interface in the form of a syringe mounting head. The interface includes a holder that has two halves, one fixed and one moveable, that open and close in a clam-shell fashion to respectively load or unload a syringe and to operate the syringe by driving the plunger thereof with a power driven ram that extends form the injector housing. The end of the injector ram, which is configured to normally couple to a button or key on the back of the plunger of a front or rear loadable syringe, is provided with an adapter that couples to the ram and to the large disk shaped end of a side loadable syringe pushrod. The adapter has opposed spring biased gripping fingers projecting forward of a coupling plate on the adapter in order to clip the pushrod end to the adapter. The fingers are configured and spaced relative to the coupling plate to engage the pushrod end either upon axial advancement against it or when the syringe is translated sideways into the holder.

REFERENCES:
patent: 5279569 (1994-01-01), Neer et al.
patent: 5451211 (1995-09-01), Neer et al.
patent: 5456670 (1995-10-01), Neer et al.

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