| 摘要 |
<p>The implantable device for the repeated injection of medicament (20) in unitary doses and at a frequency which is a function of the therapeutical treatment needs comprises essentially: a flexible reservoir (6) for the storage of the medicament, a first flexible connection tube (7) connecting the reservoir to an injection site (5), a small flexible balloon for the predosing and controlling of the injection of the medicament, a second flexible connection tube (9) connecting the small balloon (10) and the reservoir (6), a valve fitted with valve means (16) of the type responsive only to the pressure exerted to small balloon, means (11) for controlling the flow rate for filling the small balloon (10), and provided on said second connection tube (9), a non-return valve (21) provided immediately upstream of the control balloon (10). Application to therapeutic treatments.</p> |
