Injection device with an improved triggering mechanism
The invention relates to an injection device comprising a housing (3), a needle guard (20), an injection drive mechanism for driving a plunger within the container (5) and including o a plunger rod (31); o an injection spring (34) for biasing the plunger rod; o a retaining member (33), the retaining...
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| creator | ZSCHACK, SAMUEL ROBERT CHUDEK, CHRISTOPHER WILLIAM RUSH, BENJAMIN LEO |
| description | The invention relates to an injection device comprising a housing (3), a needle guard (20), an injection drive mechanism for driving a plunger within the container (5) and including o a plunger rod (31); o an injection spring (34) for biasing the plunger rod; o a retaining member (33), the retaining member and the plunger rod having corresponding latching features for retaining the plunger rod in its proximal position against the action of the injection spring, in an initial state of the injection device; and o a trigger member (35) for preventing the release of the latching features in the initial state of the device, the trigger member being axially displaceable by the needle guard (20) for releasing the latching features. The trigger member (35) and the housing (3) comprise corresponding locking features (79, 139) in mutual releasable engagement for maintaining the trigger member (35) in its blocking position, and wherein said locking features are designed to be released by the needle guard (20) when movin |
| format | Patent |
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The trigger member (35) and the housing (3) comprise corresponding locking features (79, 139) in mutual releasable engagement for maintaining the trigger member (35) in its blocking position, and wherein said locking features are designed to be released by the needle guard (20) when movin</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE |
| title | Injection device with an improved triggering mechanism |
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