Patent ID: 6432092
Filing Date: 2002-08-13
Classification: A61B,A61M

Abstract:
A surgical instrument for injecting a fluid into tissue comprising:a housing; a hollow elongated body portion extending distally from the housing and defining a lumen having a longitudinal axis, the distal end of the body portion defining an unobstructed opening; an actuator assembly including a plunger slidably positioned within the housing, the plunger defining a fluid delivery channel; and at least one needle having an injection tip, the at least one needle having a proximal end opposite the injection tip which is operatively connected to the plunger, the at least one needle being positioned within the lumen and defining a fluid injection channel which communicates with the fluid delivery channel, the at least one needle being movable, in response to movement of the plunger, from a deformed position located within the lumen of the elongated body portion through the unobstructed opening of the elongated body portion to a relaxed position located externally of the elongated body portion, wherein in the relaxed position, the injection tip extends outwardly from the elongated body portion to define a predetermined angle with respect to the longitudinal axis of the elongated body portion.