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AUTONOMIC NERVOUS SYSTEM
​AND VASCULAR ASSESSMENTS

TBL-ABI

The TBL-ABI system is indicated for use on adult subjects at risk of having or developing peripheral arterial disease (PAD).
TM-ABI system is intended for the rapid measurement of ankle-brachial pressure index (ABPI), or ankle-brachial index (ABI), and pulse volume recording (PVR)/ volume plethysmography in adults.


It is suitable for use in wound care assessment, for assessing symptomatic PAD, and as a screening device for PAD. It may also be used on patients with venous or arterial ulcers prior to the application of compression therapy.


The ankle-brachial index (ABI) is the ratio of the systolic blood pressure measured at the ankle to that measured at the brachial artery.

PATIENT SETUP

TBL-ABI MEASUREMENTS

                                                REVIEW OF TBL-ABI 

Originally described by Winsor in 1950, the ABI was initially proposed for the noninvasive diagnosis of lower-extremity peripheral artery disease (PAD).
Later, it was shown that the ABI is an
indicator of atherosclerosis at other vascular sites and can serve as a prognostic marker for cardiovascular events and functional impairment, even in the absence of symptoms of PAD.


AVANTAGES OF TBL-ABI COMPARING TO TM-ABI
TBL-ABI replaces the TM-ABI because it presents the following advantages:
- Improvement of the patient comfort: No tube or wire on the body
- Reduction of the technician errors when preparing the patient for taking a measurement: 
         . In addition of the color code of the cuffs, the devices are labelled "ARM", LEFT ANKLE" and " RIGHT ANKLE"
         . All the cuffs are labelled with a blue arrow "DOWN" , and therefore, the technician don't have to take care about the direction of the tubes.
- 60 to 100 measurements when the battery is charged.
- Placement of the cuffs into the box using a USB charger that stop automatically when the battery is fully charged.

TBL-ABI FEATURES
- Measurements based on the Pulse Volume Plethysmography:  During the inflation and deflation of pressure in the cuffs, the plethysmography related to the change in blood volume in large artery is displayed. The most modern sensors and analogue-to-digital converters allow TBL-ABI sensing to 4.6 micrometers of mercury and thus enable accurate results.


- Improved user error detection system: The TBL-ABI will alert the operator of any irregularities which have occurred during the measurement process. For example, if the cuff has been poorly placed or if the patient has been moving during the measurement, the error message will be displayed on the screen.

- Objective measurement: TBL-ABI’s specially designed algorithm is based on the plethysmographic techniques, which are independent of the operator and therefore ensures objective measuring of blood pressures and ABI . The subjectivity of the operator is thus excluded.

- Repeatable measurement: Regardless of who performs the measurement, whether it is a physician or a nurse, regardless of all the disturbances that come from the office, and whether you can feel the pulse on patient´s ankle or not. The measurement result with TBL-ABI will always be the same. The TBL-ABI’s software algorithm uses a special protocol where variables are measured and calculated equally for each examination. The measurement of the Ankle-Brachial Index is reliable as well as repeatable and thus very valuable for physicians and patients.

- Fast exam: The TBL-ABI measurement time is only 3 minutes.


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