Patent ID: 8961430
Filing Date: 2015-02-24
Classification: A61B

Abstract:
1. A biopsy device, comprising: a biopsy sample extraction needle with a sample extraction end, recovery end, and a transport channel linking the extraction and recovery ends; a pump; a unitary multi-way valve consisting of one of a three-way valve and a four-way valve, the unitary multi-way valve coupled in fluid communication with the biopsy sample extraction needle and the pump, the unitary multi-way valve having a plurality of settings; and a fluid reservoir configured to carry a fluid, the fluid reservoir coupled in fluid communication with the transport channel of the biopsy sample extraction needle and the pump, the pump and the unitary multi-way valve being configured such that: wherein the fluid is saline, and the device is configured to recover residual saline from the transport channel of the biopsy sample extraction needle and deliver the recovered residual saline back to the reservoir.