INJECTOR
First Claim
1. An injector for delivering a liquid medicament comprising,a collapsible container for containing the liquid medicament, a normally-closed valve coupled to the collapsible container for retaining the liquid medicament within the collapsible container, an injection means coupled to the normally-closed valve for delivering the liquid medicament from the collapsible container, andpressurising means for pressurising the liquid medicament contained within the collapsible container such that the liquid medicament is delivered by the injection means when the normally-closed valve is opened.
2 Assignments
0 Petitions
Accused Products
Abstract
An injector for delivering medicament comprises a collapsible container (1002) for containing the liquid medicament, a normally-closed valve (1004) coupled to the collapsible container (1002) for retaining the liquid medicament within the collapsible container and an injection means (1006) for delivering the liquid medicament from the collapsible container. The liquid medicament is maintained under pressure by a pressurising means (1003) which pressurises the liquid medicament such that it is delivered by the injection means (1006) when the normally-closed valve (1004) is opened.
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Citations
51 Claims
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1. An injector for delivering a liquid medicament comprising,
a collapsible container for containing the liquid medicament, a normally-closed valve coupled to the collapsible container for retaining the liquid medicament within the collapsible container, an injection means coupled to the normally-closed valve for delivering the liquid medicament from the collapsible container, and pressurising means for pressurising the liquid medicament contained within the collapsible container such that the liquid medicament is delivered by the injection means when the normally-closed valve is opened.
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23. An injector comprising,
a liquid medicament retained within a collapsible container by a normally-closed valve, and a needle for injecting the liquid medicament coupled to the normally-closed valve, in which a force is arranged to act on the collapsible container such that the liquid medicament is delivered through the needle when the normally-closed valve is opened.
- 29. A method of injecting a liquid medicament, the liquid medicament being retained under pressure within a collapsible container of an injector by a normally-closed valve, the method comprising the steps of positioning the injector to deliver the liquid medicament to a patient and opening the normally-closed valve such that the liquid medicament is injected.
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33. A method of manufacturing an injector for delivering a liquid medicament comprising the steps of,
coupling a normally-closed valve to a collapsible container, opening the normally-closed valve, filling the collapsible container with the liquid medicament through the normally-closed valve causing the collapsible container to expand and deflect a pressurising means, closing the normally-closed valve to retain the liquid medicament within the collapsible-container, the liquid medicament being pressurised due to a force exerted on the collapsible container by the pressurising means, and coupling the normally-closed valve to an injection means for delivering the liquid medicament from the collapsible container.
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38. (canceled)
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39. (canceled)
Specification