Bartlett, Edwin2019-11-112019-11-112009-02-09US Pat# US60/956,235International Publication # WO2009023247A1http://hdl.handle.net/10342/7540Syringe assemblies include a syringe with a syringe body (15b) defining a fluid cavity in fluid communication with an injection needle (25); a force, pressure and/or flow sensor (30) in fluid communication with the needle; and a user feedback unit (22) in electrical communication with the sensor and configured to provide user feedback based on data from the force, pressure and/or flow sensor.en-USinjectionfeedbackPatent