Set of double needles for injecting liquid medicine

Claim 1

Apparatus for injecting liquid medicine at each of a plurality of user-selected nearby locations through a common entry point of the injected body, comprising: an inner needle, and an outer needle into which said inner needle is slidably and rotatably inserted, each of said needles having a sharp delivery end and a receiving end communicating with a respective source of liquid medicine for pressurized injection thereof into said injected body at a selected first location of said body for injection through said sharp delivery end of said outer needle and at a plurality of selected second locations in said body through said sharp delivery end of said inner needle; said inner needle being longer than said outer needle and having a curved portion at the delivery end thereof which protrudes from the delivery end of said outer needle when fully inserted thereinto, said inner and outer needles cooperating such that said curved portion of said inner needle is straightened within said outer needle when retracted therein and said inner and outer needles are then rotatable to different angular disposition relative to each other for subsequent reinsertion of said inner needle into said outer needle to thereby locate the sharp delivery end of said inner needle at a selected other one of said plurality of second locations for injection of said liquid medicine thereat.