Portable endermic injector

Details Portable endermic injector Portable endermic injector

1987-06-15

1989-07-25

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604134, A61M 1100

Patent

active

048509671

ABSTRACT:
Portable endermic injector of a mechanical type which comprises an aspiration and containment chamber, an assembly (12) to aspirate and to store, a cocking and trigger assembly (13) and an assembly (14) to read the quantity aspirated. A containment assembly (11) comprises the aspiration and containment chamber and a piston (19) and is screwed onto a frontal container (15). The assembly (12) to aspirate and to store energy comprises apparatus to regulate the pre-loading of a spring assembly (28) which includes spacer rings (226) and apparatus (15-23) having variable axial reciprocal positions. The reader assembly (14) comprises a threaded portion (46) and a slider (47) cooperating with a graduated area (50).

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