Apparatus for injecting or withdrawing substances

Details Apparatus for injecting or withdrawing substances Apparatus for injecting or withdrawing substances

1987-02-13

1988-12-13

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604157, 604191, A61M 520

Patent

active

047908238

ABSTRACT:
The device comprises, among other things, a hand piece (10) equipped with a support (12) movable in translation for a needle (51). Support (12) is moved by a catapult which comprises a propelling device (133) made of a pneumatic microactuator with a simple spring-back effect.
Application to human mesotherapy, for example, FIG. 3.

REFERENCES:
patent: 3051173 (1962-08-01), Johnson et al.
patent: 4333459 (1982-06-01), Becker
patent: 4475666 (1984-10-01), Bilbrey et al.
patent: 4563175 (1986-01-01), Lafond
patent: 4613328 (1986-09-01), Boyd

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