Motorized adaptive compression system for enhancing venous return: A feasibility study on healthy individuals

Rahimi, Mahan; Blaber, Andrew P.; Menon, Carlo

doi:10.1016/j.medengphy.2017.10.005

Cited by 3 publications

(8 citation statements)

References 39 publications

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“…Rahimi et al. [ 62 ] developed a garment that applied pressure to the lower extremities using a 12 V DC minimotor (Pololu, USA) for actuation, and flexible force sensing resistors for pressure monitoring. A key goal was to sustain constant tension in the garment, thereby creating graduated pressure up the leg that decreased from ankle to calf, and that ensured blood movement toward the upper body.…”

Section: State Of the Art: Sct Devicesmentioning

confidence: 99%

“…Some miniaturized motors are capable of providing enough torque to tighten a strap or line which in turn constricts the limb. Rahimi et al [62] developed a garment that applied pressure to the lower extremities using a 12 V DC minimotor (Pololu, USA) for actuation, and flexible force sensing resistors for pressure moni- Reproduced with permission. [62] Copyright 2017, Elsevier Ltd.…”

Section: Motor-driven Mechanismsmentioning

confidence: 99%

“…Rahimi et al [62] developed a garment that applied pressure to the lower extremities using a 12 V DC minimotor (Pololu, USA) for actuation, and flexible force sensing resistors for pressure moni- Reproduced with permission. [62] Copyright 2017, Elsevier Ltd.…”

Section: Motor-driven Mechanismsmentioning

confidence: 99%

“…Depending on the pump and bladder volume, inflation time to reach desired compression level may be relatively long (≈ 1 min); a pump with small form factor and high flow rate can be costly (≈ 100 USD). [ 104] Motor [ 62,63] Motors can be lightweight (≈ 10 g) and apply relatively high torque, from a wide range (≈ 10 to ≈ 500 N mm [ 105] ); depending on the tension cable used, the actuation speed can be almost instantaneous.…”

Section: Actuation Type Advantages Disadvantagesmentioning

confidence: 99%

“…For example, when a pump inflates a bladder, this pneumatic system must be integrated in the device using tubes and/or valves. [55,59] When a motor is used with a lacing system, structures are required to ensure the uniform constriction of the limb, and this may be achieved in several ways-Rahimi et al, [62] for instance, installed the motor on a soccer shin guard. Alternatively, Yang et al [63] mounted the motor on a base plate, and pulled on two bars that in turn were attached to the garment itself.…”

Section: Device Comparisonmentioning

confidence: 99%

See 4 more Smart Citations

Smart Compression Therapy Devices for Treatment of Venous Leg Ulcers: A Review

Rezende

O’Flynn

O’Mahony

2022

Adv Healthcare Materials

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Venous leg ulcers can have significant social and economic impacts, and are generally treated by applying compression to the lower limb, which aids in promoting blood return to the heart. Compression therapies commonly involve the use of passive bandages that suffer from issues associated with incorrect application, and although automated solutions have begun to appear; these are often bulky and hinder mobility. Emerging microtechnologies and new materials enable the development of "smart" compression therapy devices, which are defined as systems that use miniaturized and lightweight actuators and electronics to control the applied pressure. This paper reviews the state of the art in smart compression therapy research. A total of seventeen different devices has been identified, categorized as using one of three actuation mechanisms: pneumatic compression, motor-driven mechanisms, and smart materials (including shape memory alloys, shape memory polymers, and electroactive polymers). The field is still in its relative infancy and further refinements are required to create mass manufacturable compression dressing systems that meet medical, ergonomic, and economic standards. The use of miniaturized actuators has immense potential for the development of smart compression dressings, which will ultimately lead to higher compliance, increased patient comfort, enhanced mobility, and better treatment outcomes.

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Section: State Of the Art: Sct Devicesmentioning

confidence: 99%

Section: Motor-driven Mechanismsmentioning

confidence: 99%