Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
I Flow LLC
Original Assignee
Block Medical Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/492,982external-prioritypatent/US5080652A/en
Application filed by Block Medical IncfiledCriticalBlock Medical Inc
Publication of CA2022252A1publicationCriticalpatent/CA2022252A1/en
Application grantedgrantedCritical
Publication of CA2022252CpublicationCriticalpatent/CA2022252C/en
Infusion, Injection, And Reservoir Apparatuses
(AREA)
Abstract
A liquid infuser apparatus includes an elastic sleeve mounted on an elongated member and within a spherical housing to enable it to expand naturally to maintain a constant pressure over the infusion period. An alternate embodiment includes a holding reservoir that may be pre-filled, and a pressure reservoir that is loaded from the holding reservoir preparatory to infusion.
CA 20222521990-03-121990-07-27Infusion apparatus
Expired - LifetimeCA2022252C
(en)