INJECTION DEVICE
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Abstract
An injection device for use with tissue of a mammalian body comprising a first tubular member and a second tubular member slidably disposed in the first tubular member. The first and second tubular members have respective proximal and distal extremities. The distal extremity of the second tubular member is provided with a needle that is extendable from the distal extremity of the first tubular member. The proximal extremity of the second tubular member is lockable relative to the proximal extremity of the first tubular member. The second tubular member has a column strength when locked within the first tubular member for limiting retraction of the second tubular member relative to the first tubular member during puncture of the tissue by the needle.
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Citations
46 Claims
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1-15. -15. (canceled)
- 16. An injection device for use with an injectable material comprising a syringe, a needle and a pressure indicator for connecting the needle to the syringe and monitoring the pressure of the injectable material.
- 19. An injection device for use with an injectable material comprising a syringe provided with a barrel forming a chamber adapted to receive the injectable material, a needle, a plunger, and a pressure indicator coupled to the syringe for monitoring the pressure of the injectable material, wherein the pressure indicator includes a clutch carried by the plunger.
- 22. (canceled)
- 24. A screw-type syringe for use with an injectable material comprising a barrel forming a chamber adapted for holding the injectable material, a plunger threadedly engaging the barrel, a mixer carried by the plunger and extending forwardly of the plunger into the chamber for stirring the material as the plunger is rotated relative to the barrel.
- 28. A method for operating a medical device having proximal and distal extremities and a first tubular member slidably disposed in a passageway of a second tubular member and a reservoir of a solution of a biocompatible composition and a biocompatible solvent coupled to the first tubular member during a procedure for treating a mammalian body comprising the steps of inserting the distal extremity of the assembly into the body, introducing the solution through the first tubular member to treat the body, withdrawing the first tubular member from the second tubular member while the second tubular member remains at least partially disposed in the body, cleaning the passageway of the second tubular member, returning the first tubular member to the passageway of the second tubular member and continuing the treatment of the body.
- 31. A method for treating tissue of a mammalian body with a needle having proximal and distal extremities and at least one optical element extending in a passageway from the proximal extremity to the distal extremity of the needle comprising the steps of inserting the distal extremity of the needle into the tissue and determining the type of tissue with the at least one optical element.
Specification