	US 12,465,338 B2
	Vacuum-assisted soft tissue biopsy device
Nathan Otis Nelson, South Jordan, UT (US); John Robert Durham, Cottonwood Heights, UT (US); and Michael Hallisey, Old Saybrook, CT (US)
Filed by Merit Medical Systems, Inc., South Jordan, UT (US)
Filed on Jan. 18, 2022, as Appl. No. 17/648,263.
Claims priority of provisional application 63/139,180, filed on Jan. 19, 2021.
Prior Publication US 2022/0225971 A1, Jul. 21, 2022
Int. Cl. A61B 10/02 (2006.01)

CPC A61B 10/0275 (2013.01) [A61B 10/0283 (2013.01)]

11 Claims

1. A biopsy device, comprising:

a shell comprising:

a stationary shoulder;

a first actuator comprising:

a first recess; and

a second recess; and

a second actuator comprising a protrusion;

an arming slide disposed within the shell, the arming slide comprising a hub catch;

a first hub comprising:

a first cantilever arm comprising a first trigger catch and configured to operatively engage with the stationary shoulder; and

a first load catch configured to engage with the hub catch;

a second hub comprising:

a second cantilever arm comprising a second trigger catch configured to operatively engage with the stationary shoulder; and

a second load catch configured to engage with the hub catch;

a vacuum member comprising:

a tube defining a vacuum chamber; and

a piston slidably disposed within the vacuum chamber;

an inner cannula coupled to the first hub and in fluid communication with the vacuum chamber; and

an outer cannula coupled to the second hub and co-axially disposed over the inner cannula.