LVADs have been in clinical use for a half-century and have advanced through at least 3 generations resulting in compact. durable. and powerful pumps that can deliver blood flow that exceeds the needs of the body at rest. In so doing. https://www.roneverhart.com/Polly-Pocket-Polly-Lila-Tropicool-Pineapple-Wearable-Purse-Compact/