hand
Dynamic hand grip sensor analysis
pliance - Manugraphy system - subscription offer 201
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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 HA87
| number of sensors | 256 |
| total sensor area (mm2) | 140 x 140 |
| size of one sensor element (mm2) | 8.75 x 8.75 |
| thickness (without coating) (mm) | < 1.2 |
| pressure range (kPa) | 3-200 |
Technical data for elastisens HA78
| number of sensors | 256 |
| total sensor area (mm2) | 125 x 125 |
| size of one sensor element (mm2) | 7.8 x 7.8 |
| thickness (without coating) (mm) | < 1.2 |
| pressure range (kPa) | 3-200 |
Technical data for elastisens HA44
| number of sensors | 256 |
| total sensor area (mm2) | 70.4 x 70.4 |
| size of one sensor element (mm2) | 4.4 x 4.4 |
| 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 |
