Use of Tekscan K-Scan Sensors for Retropatellar Pressure Measurement Avoiding Errors during Implantation and the Effects of Shear Forces on the Measurement Precision

Table 1

The K-Scan 4000 sensors.

Overall; length; 𝐿	Overall; width; 𝑊	Tab; length; 𝐴	Matrix; width; MW	Matrix; height; MH	Columns			Rows			Total no. of sensels	Resolution
					CW	Pitch; CS	Qty.	RW	Pitch; RS	Qty.		Sensel density
(in.)	(in.)	(in.)	(in.)	(in.)	(in.)	(in.)		(in.)	(in.)			(sensel per in.²)
18.19	8.00	7.80	1.10	1.30	0.030	0.050	22	0.040	0.050	26	572	400.0
(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)		(mm)	(mm)			(sensel per cm²)
462.0	203.2	198.1	27.9	33.0	0.8	1.3	22	1.0	1.3	26	572	62.0