Patent ID: 6585701
Filing Date: 2003-07-01
Classification: A61M,Y10S

Abstract:
A modular assembly device that is fixed to a syringe and can be removed from a syringe wherein said modular assembly device is used as a skin penetrating conduit for injecting medicament or fluid from said syringe into a body, the modular assembly device comprising:a threaded flange with a first side and a second side; a hub with a first end and a second end, wherein said second end of said hub is fixed to said first side of said threaded flange; a hub chamber with a first end and a second end wherein said hub chamber has an inside and an outside and wherein said hub chamber is hollow and wherein said second end of said hub chamber is integral with said first end of said hub; a hub chamber cap with a first end and a second end and wherein said hub chamber cap has a hole formed near said second end of said hub chamber cap and wherein said hub chamber cap is hollow with an inside and outside and wherein said second end of said hub chamber cap is fixed to said first end of said hub chamber and wherein said hub chamber cap has hub tunnel formed in said first end of said hub chamber cap and wherein said hub tunnel extends from said first end of said hub chamber cap toward said second end of said hub chamber cap; a latch having a first end and a second end and wherein said first end of said latch is integral with said inside surface of said hub chamber cap and wherein an inclined plane is formed on said second end of said latch; a cannula release button with a first end and a second end and wherein a first knob is formed on said first end of said cannula release button and a second knob is formed between said first end and second end of said cannula release button and said cannula release button is disposed in said hub chamber cap hole formed in said hub chamber cap; a biased spring needle cannula with a distal end and a proximal end wherein said proximal end is fixed to said second end of said hub chamber and wherein said distal end of said biased spring needle cannula is disposed in said hub tunnel formed in said hub chamber cap and said distal end of said biased spring needle cannula extends past said hub tunnel formed in said hub chamber cap and wherein coils are formed between said distal end and said proximal end of said biased spring needle cannula forming a spring in said biased spring needle cannula; a cannula push out hook with a first side, a second side, a third side, and a fourth side and wherein a hole is formed in said cannula push out hook wherein said hole extends from said first side to said second side and wherein said biased spring needle cannula is disposed in said hole formed in said cannula push out hook and wherein said cannula push out hook is fixed to said biased spring needle cannula and wherein said third side of said cannula push out hook has an inclined plane formed that will correspond with said latch inclined plane and wherein said push out hook inclined plane is hooked onto said latch inclined plane thereby preventing a said distal end of said biased spring needle cannula from retreating or being pulled into said hub chamber by said coils and wherein after said biased spring needle cannula has been used to inject medicament into a body said first knob on said cannula release button is pressed with a finger or a thumb and wherein said second end of said cannula release button is thrust against said fourth side of said cannula push out hook thereby pushing said cannula push out hook away and out of said latch inclined plane thereby disengaging said latch inclined plane from said push out hook inclined plane and thereby allowing said biased coils formed on said biased spring needle cannula to pull said distal end of said spring needle cannula into said hub chamber and said hub chamber cap thereby preventing said distal end of said biased spring needle cannula from being exposed or from falling out of said hub chamber or said hub tunnel formed in said hub chamber cap.