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Feature Products >> Jacobs Descemet Membrane Punch



Primary trabeculectomy without iridectomy easier with membrane punch by N.A. Jacobs, FRCOphth

This punch is recommended for phaco-trabeculectomy and primary trabeculectomy with reasonable peripheral anterior chamber depth including plateau iris. Chisel profile of leading edge allows easy entry into the scleral tunnel. Long narrow shaft allows passage through tunnel without wound distortion. This prevents anterior chamber shallowing and risk of injury.
Above: 7-106 Jacobs Descemet Membrane Punch

Images and annotations courtesy of N.A. Jacobs, FRCOphth
1) Calipers are used to measure 1.5mm
behind the surgical limbus		 2) Tunnel is initiated with 300micron guarded
BD blade

3) The scleral tunnel is completed with the 2.2mm stylus blade 4) Keratome entry is made 1mm anterior to blue line

5) Side view of Jacobs punch blade 6) Punch in cutting position

7) Punch with excised membrane 8) Viscoelastic ooze after punch

9) Optional partial cutting



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