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art science

plianceproductinfo       manugraphy
hand

Dynamic hand grip sensor analysis


pliance® hand sensors

The pliance® hand sensor family has been designed for:

  • accurate and functional diagnostics of hand pre- and post surgery
  • evaluation of rehabilitation progress
  • ergonomic assessment during occupational activities
  • biomechanic and orthopaedic research


novel systems are based on calibrated, accurate and reliable capacitive sensors. The individual sensor elements are elastic and arranged in a matrix, which conforms to 3-dimensional shapes. The sensor matrix is connected to the novel pliance® electronics hardware. The pressure analysis can be done on- or off-line by a PC or a handheld personal digital assistent (PDA).






pliance® cylinder sensors
The pliance® cylinder mats are specifically designed for measurement of pressure distribution and contact forces while gripping a cylinder. This measurement can be used for standardising functional diagnostics at different hand locations. A definitive comparison of hand function pre- and post surgery is possible and the progress during rehabilitation can be objectively evaluated.
The mats are available in various sizes so the user can select different cylinder diameters to accommodate hand size or other testing requirements.


Technical data for elastisens S2075

  number of sensors   256
  total sensor area (mm2)   160 x 160
  size of one sensor element (mm2)   10 x 10
  thickness (without coating) (mm)   < 1.2
  pressure range (kPa)   3-200


Technical data for elastisens S2076

  number of sensors   256
  total sensor area (mm2)   113 x 113
  size of one sensor element (mm2)   7.01 x 7.01
  thickness (without coating) (mm)   < 1.2
  pressure range (kPa)   3-200

Technical data for elastisens S2077

  number of sensors   256
  total sensor area (mm2)   80 x 80
  size of one sensor element (mm2)   5.0 x 5.0
  thickness (without coating) (mm)   < 1.2
  pressure range (kPa)   5-200


pliance® glove sensor
The pliance® glove sensors are primarily designed for measurement of pressure distribution at a hand-machine interface. The unique design of the sensors conforms to the shape of the hand allowing various handgrips to be tested in different situations
(e.g. jackhammers, road drills, chainsaws, etc.)

Technical data for glove sensor

  number of sensors 125
  total sensor area (mm2)   12,896
  size of one sensor element (mm2)   6 x 16
  thickness (without coating) (mm) < 1





pliance® strip sensor
The pliance® strip sensor may be required for special pressure
distribution applications with limited hand area, for example on one
finger. The strip sensor consists of 10 sensors arranged in a single row.

Technical data for strip sensor

 

  number of sensors   10
  total sensor area (mm2)   100 x 10
  size of one sensor element (mm2)   10 x 10
  thickness (without coating) (mm)   0.1 - 0.6
  pressure range (kPa)   2-100 / 10-1000


pliance® hand mat sensor
The pliance® hand mat sensor is a high spatial resolution
matrix which allows a detailed investigation of specific hand and finger regions. This pressure measurement can be used for example to follow the recovery during physiotherapy of an injured hand
or to evaluate the possible progression of diseases affecting the hand.

Technical data for elastisens HA50/1024

  number of sensors   1024
  total sensor area (mm2)   160 x 160
  size of one sensor element (mm2)   5 x 5
  thickness (without coating) (mm)   < 1.2
  pressure range (kPa)   5-60




   

pliance®-x analyser
The pliance® -x electronic analyser connects up to 1024 sensors to a desktop, notebook PC or handheld PDA. The software is written for Windows operating systems and allows a wide range of scientific analysis. Collected data can be stored on the flash memory
or transmitted online to a PC or Pocket PC (PDA) via the built-in telemetry.

Technical data for pliance®-x

  dimensions (mm)   150x100x40
  weight (g)   360
  number of sensors (max)   256 (1024)
  measurement frequency   20,000 sensors/second
  storage type   32MB internal flash
  operating system   Windows XP, Service Pack2
  power supply   NiMH battery, 4.5 hours
  computer interface   fiber optic/USB and  BluetoothTM
  sync option   fiber optic/TTL, in and out/wireless
  telemetry   BluetoothTM
  recording time   25 min at 100 Hz to flash  memory