Analgesic Effect of Intra-Articular Injection of Temperature-Responsive Hydrogel Containing Bupivacaine on Osteoarthritic Pain in Rats

Figure 3

Effects of intra-articular hydrogel or T-gel in normal rats. Weight load (a) and paw withdrawal threshold (PWT) (b) after saline injection. Weight load (c) and PWT (d) after hydrogel injection. Weight load (e) and PWT (f) after T-gel injection. Asterisks indicate a statistically significantly difference from the prevalue ().

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