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US 6,616,627 B2Granted
Injection device
AssigneeBioValve Technologies, Inc.
InventorsJohn P. Willis, Thaddeus G. Minior
Life of this patent
Estimating the term…
Abstract
An injection device includes a housing having a proximal end and a distal end, the housing defining a distal opening, and a first opening in a side of the housing and between the proximal and distal ends; a propellant disposed inside the housing and spaced from the distal end; and a movable member disposed inside the housing and between the distal end and the propellant, wherein the propellant is in fluid communication with the movable member and the first opening.
Claims23
An injection device, comprising:
- a housing having a proximal end and a distal end, the housing having
- a distal opening, and
- a first opening in a side of the housing between the proximal and distal ends;
- a propellant disposed inside the housing and spaced from the distal end;
- a piston having a first cavity disposed inside the housing between the distal end and the propellant;
- and
- a hollow sleeve configured to mate with the piston, the sleeve having a second cavity.
4 more elements
An injection device, comprising:
- a housing having a proximal end and a distal end, the housing defining
- a distal opening, and
- a first opening in a side of the housing and between the proximal and distal ends;
- a propellant disposed inside the housing and spaced from the distal end;
- a sleeve disposed inside the housing and between the distal end and the propellant, the sleeve defining a second opening and a first cavity, the second opening and the first cavity in fluid communication with the propellant;
- and
- a piston mateable with the sleeve and movable in a distal direction, the piston defining a third opening alignable with the second opening,
- wherein the propellant is in fluid communication with the first opening when the second and third openings are aligned.
5 more elements
Dependencies are inferred from the claim text.