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US 4,790,823 AGranted
Apparatus for injecting or withdrawing substances
AssigneeSociete Civile de Recherches Mesalyse
InventorsJean-Pierre Charton, Gilbert Gasquet
Life of this patent
Estimating the term…
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.
Claims23
A device for injecting or withdrawing substances in an environment, particularly in the tissues of living beings, comprising at least one dispenser for said substance and
- a hand piece for holding an injector, said injector comprising an adaptor for connection thereof to said dispenser, a support for removably supporting a needle, a flexible conduit extending between said adaptor and said support for feeding said needle with said substance, whereby said needle support may move independently of said dispenser, means defining a guide path for movement therealong of said support between a rest position and an active position, catapult means for propelling said support from its rest position to its active position, and a support base for engaging a surface of said environment,
- said device further comprising pumping means for pumping said substance from said dispenser to said needle, and
- control means for controlling said pumping means and said catapult means.
Dependencies are inferred from the claim text.