Medical treatment apparatus

Details Medical treatment apparatus Medical treatment apparatus

2005-09-16

2008-11-11

Lewis, Ralph A (Department: 3732)

Dentistry

Apparatus

Having intra-oral dispensing means

C433S032000, C433S090000, C222S146500

Reexamination Certificate

active

07448867

ABSTRACT:
An apparatus for dispensing material during a dental or endodontic procedure includes a housing having a motor with an output. A needle heating member including a chamber may receive a prefilled needle of dispensing material. A heater at least substantially surrounds the chamber for heating the material in the needle. A plunger is used to expel the material from the needle during activation of the motor. A reusable protective sheath is provided for disposition on the outside of the housing. A method of manufacturing a needle for use and dispensing a material during a dental or endodontic procedure includes drawing a blank of metal having a closed distal end, bending the blank at a desired angle, and removing a portion of the drawn metal from the distal end to open the distal end thereby forming the dispensing needle.

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