The Use of an Intra-Articular Depth Guide in the Measurement of Partial Thickness Rotator Cuff Tears

Figure 1

The assembled intra-articular depth guide. A: needle-tipped inner metallic probe used to penetrate the rotator cuff and measure the exposed bone bed. B: the distal end of the inner metallic probe is marked with numbers to measure total tendon thickness. C: outer metallic sleeve slides freely over the inner metallic probe.