초록 ▼

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 me

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.

대표청구항 ▼

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

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.