Crushed piercing needles with installed-back-pin

Abstract

A crushed piercing needles with installed-back-pin, which can pierce into human tissues easily and reduce pain and bacterial infection caused by secondary piercing. The crushed piercing needles with installed-back-pin includes a piercing needle body and a piercing needle tip, with the piercing needle tip disposed at an output end of the piercing needle body; further includes a pin needle, there is a crushed region arranged between the piercing needle body and the piercing needle tip, and the pin needle is bonded to an input end of the piercing needle body as a whole.

What is claimed is: 
     
         1 . An crushed piercing needles with installed-back-pin, comprising a piercing needle body ( 1 ) and a piercing needle tip ( 2 ), with the piercing needle tip ( 2 ) disposed at an output end of the piercing needle body ( 1 ); further comprising a pin needle ( 3 ), there is a crushed region ( 4 ) arranged between the piercing needle body ( 1 ) and the piercing needle tip ( 2 ), and the pin needle ( 3 ) is bonded to an input end of the piercing needle body ( 1 ) as a whole. 
     
     
         2 . The crushed piercing needles with installed-back-pin of  claim 1 , wherein the crushed region ( 4 ) has a length of one centimeter. 
     
     
         3 . The crushed piercing needles with installed-back-pin of  claim 2 , wherein the pin needle ( 3 ) is fixed to the input end of piercing needle body ( 1 ) with glue.