A method of injecting a substance into an eye is disclosed. A connection between a disposable tip segment and a limited reuse assembly is recognized. A temperature control device is activated to alter the temperature of a substance contained in a dispensing chamber. Dosage information is read. In response...http://www.google.com.au/patents/US20080021419?utm_source=gb-gplus-sharePatent US20080021419 - Plunger Linkage Method For Ophthalmic Medical Device
