| 摘要 |
A therapeutic agent delivery pump includes a bottle having a pressurant chamber containing a pressurant and a therapeutic agent volume, the volume terminating in a visco-elastic septum. The bottle has a piercing element in alignment with the septum and in fluid communication with tubing. A flow restriction gauge impinges on the tubing to restrict the flow of a therapeutic agent from the balloon. An intrathecal drug delivery system includes a pump as described above, along with a pressure compatible catheter. A connector is provided between the pump and the catheter. An externally disposed therapeutic pump assembly for administering a therapeutic delivery agent in metered fashion to an internal location of a patient includes a three-dimensional body, with a lid secured to the body. A bag holding a volume of therapeutic delivery agent contained within the body in order to progressively compress.
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