A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/82
A61M 1/10 (2006.01)
Patent
CA 1212291
Abstract: 1. Injection device for medical purposes, designed for injection by using a manual hypodermic syringe (4). It includes on the one hand a barrel portion (6) which in one end has a syringe needle (7) and in the other end a flange (8), and on the other hand a plunger por- tion (9) having a plunger (10) displaceable in the barrel portion, said plunger performing movements, enabling medicine to be sucked in respectively injected from the barrel portion, and having a grip- ping means connected with the plunger by means of a plunger rod (11). The device has an opening (3) in one end (2), through which the injection syringe (4) can at least partly be introduced into a cavity (5), and an inner part (16) which is provided with a holding device (58) for the barrel portion (6) changeable between a releasing position and a holding position, in which the barrel portion (6) is held against movements in its longitudinal direction relative to said inner part. A displacement device is provided for displacing the plunger portion between a fore and a rear displacement position. In the fore displacement position the displacement device is in a releas- ing position for the plunger portion and in the remaining displace- ment positions it is in a position for bringing about the plunger por- tion. The inner part is changeable between a rear position with the syringe needle (7) positioned inside said opening and an advanced position with the syringe needle pushed outside said opening in order to insert the needle into a body tissue (73). The injection device includes an outer part (14), in which an electric motor (17) is posi- tioned and controlled by means of an electronic control device (19). By means of a transmission mechanism (18) it is connected to said displacement device for accomplishing its displacement movements in a sequency determined by means of the control device for loading the injection syringe as well as injection after said insertion move- ment of the inner part.
445031
Blomberg Anders
Blomberg Anders
Gowling Lafleur Henderson Llp
LandOfFree
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