Long term follow-up demonstrating stability and patient satisfaction of minimally invasive punch technique for percutaneous bone anchored hearing devices

Table 2 Technical information relating to the MIPS surgery for each of the 12 patients. For each procedure 50 N.cm of torque was obtained. * Topical application of ciprofloxacin/dexamethasone drops (Ciprodex ®) around abutment

Sound Processor	Abutment (and change if applicable)	Implant	Length of Surgery (mins)	Skin thickness (mm)	Number of turns	Adjunctive Measures
Left Ponto Plus power	Ponto 9 mm -- > 12 mm	4 mm Ponto BHX	8.2	4.5	S	Abutment lengthened
Left BAHA S	Ponto 12 mm	4 mm Ponto BHX	9.S	7	4.5	Ciprodex* drops ‘local toilet’*
Left BAHA 5	Ponto 12 mm	4 mm Ponto BHX	4	6	S	Stay suture applied interiorly
Right Ponto Plus power	Ponto 9 mm	4 mm Wide Ponto	9.6	5	4.5	None
Left BAHA S	Ponto 12 mm -- > 9 mm	4 mm Wide Ponto	8	S	4.5	Abutment shortened Ciprodex* ‘local toilet’*
Right BAHA S	Ponto 12 mm	4 mm Wide Ponto	S.2	6	3.25	None
Right BAHA S	Ponto 12 mm	4 mm Ponto BHX	6	S	4.5	Direct trauma to implant, close examination - no apparent harm
Left BAHA S	Ponto 12 mm	4 mm Ponto BHX	4.2	6	5	Slight skin redundancy superiorly at implant site
Right Baha 5	Ponto 12 mm	4 mm Ponto BHX	7	7	4.5	None
Right Ponto Plus	Ponto 12 mm	4 mm Ponto BHX	8	6	4.25	None
Right Baha 5	Ponto 12 mm - > 9 mm	4 mm Ponto BHX	7	S	4.5	Abutment shortened
Right Ponto Plus	Ponto 9 mm	4 mm Ponto BHX	4.5	4	4.5	None