用于顺序输送注射剂的注射器

• Format: Patent
• Language: Chinese
• Published: 18.10.2019
• 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

包括阀机构的顺序输送注射器构造且可构造成使一种或多种物质能够预填充至注射器中。阀机构可以是远端密封组件的情况。阀机构的致动允许流体通路的打开以用于一种或多种物质的混合，并且产生的混合物质可以由注射器输送，以例如用于将药物施用至患者。还提供对容纳在远端室和近端室中的物质的顺序输送，其中，在来自近端室的第一物质被输送至远端室以使阀机构致动之后，来自远端室的第二物质紧接来自远端室的第一物质的输送被输送。 Sequential delivery syringes including a valve mechanism are configured and configurable to enable one or more substances to be prefilled into the syringe. The valve mechanism may be an aspect of a distal seal assembly. Actuation of the valve mechanism permits opening of a fluid passage for the mixing of one or more substances, and the resulting mixed substance can be delivered by the syringe, for example, for administration of a pharmaceutical to a subject. The sequential delivery of substances contained in a distal and proximal chamber is also provided, where a second substance from the distal chamber is delivered followed by the delivery of a first substance from the distal chamber after the first substance from the proximal chamber is transferred into the distal chamber involving the actuation of the valve m