Electromechanical injection apparatus for medical and veterinary

Details Electromechanical injection apparatus for medical and veterinary Electromechanical injection apparatus for medical and veterinary

1993-06-29

1994-04-05

Kruter, Jerome L.

Surgery

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

Treating material introduced into or removed from body...

222333, 128DIG1, 604155, A61M 500

Patent

active

053000293

ABSTRACT:
An electromechanical injection device for medical and veterinary use comprises a frame (1) having the shape of a pistol provided with a stock (2) and bearing a movable carriage (3) that supports a removable syringe (4) having a needle (5) and a piston (6). A first motor (7) actuates a pusher (8) which acts against the piston (6) of the syringe (4). A cradle (9) is carried by the frame (1) and supports the syringe (4) on the movable carriage (3). A second motor (12) actuates the movable carriage (3). The forward portion of the frame has a stabilizing sight (10) for application to the skin which guides and predetermines the degree of penetration of the needle (5). An adjustment wheel (11) permits adjusting the position of the sight (10) to adjust the depth of penetration of the needle (5). A trigger (18) actuates the motors (7, 12). The second motor (12 ) is fixed to the frame (1) and has a rotatable axle (30) and a first cam (29) on that axle. The second motor (12) drives, via that axle (30) and the first cam (29), the movable carriage (3) in movement lengthwise of the frame (1). There is a second cam (26) on the trigger (18). The first and second cams (29, 26) coact with each other according to the translated position of the trigger (18) to control advancement of the piston (6).

REFERENCES:
patent: 4931041 (1990-06-01), Faeser
patent: 5034003 (1991-07-01), Denance

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