US 11,878,147 B2
Needle-less injector and method of fluid delivery
John Bingham, Elizabeth, CO (US); and Robert Steinway, Boulder, CO (US)
Assigned to PharmaJet Inc., Golden, CO (US)
Filed by PharmaJet, Inc., Golden, CO (US)
Filed on Jan. 27, 2021, as Appl. No. 17/160,036.
Application 17/160,036 is a continuation of application No. 16/113,133, filed on Aug. 27, 2018, abandoned.
Application 16/113,133 is a continuation of application No. 15/139,981, filed on Apr. 27, 2016, granted, now 10,099,011, issued on Oct. 16, 2018.
Application 15/139,981 is a continuation of application No. 14/019,202, filed on Sep. 5, 2013, granted, now 9,333,300, issued on May 10, 2016.
Application 14/019,202 is a continuation of application No. 13/162,302, filed on Jun. 16, 2011, granted, now 8,529,500, issued on Sep. 10, 2013.
Application 13/162,302 is a continuation of application No. 12/575,394, filed on Oct. 7, 2009, abandoned.
Application 12/575,394 is a continuation of application No. 11/598,193, filed on Nov. 13, 2006, granted, now 7,618,393, issued on Nov. 17, 2009.
Prior Publication US 2021/0146051 A1, May 20, 2021
Int. Cl. A61M 5/30 (2006.01); A61M 5/315 (2006.01); A61M 5/00 (2006.01); A61M 5/42 (2006.01); A61M 5/20 (2006.01)
CPC A61M 5/30 (2013.01) [A61M 5/3158 (2013.01); A61M 5/002 (2013.01); A61M 5/425 (2013.01); A61M 2005/208 (2013.01); A61M 2205/6081 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method of providing a needle-less injector comprising:
assembling a needle-less injector by steps comprising;
providing an inner housing;
providing an outer housing;
positioning the inner housing within the outer housing such that the inner housing is axially movable within the outer housing between a ready position and a firing position;
receiving input from a user selecting a delivery spring weight from a plurality of available delivery spring weights;
positioning a delivery spring having the selected delivery spring weight within the inner housing; and
delivering to the user the needle-less injector including the delivery spring.