US 10,376,284 B2
Devices for controlled soft tissue hydrodissection
Timothy P. Harrah, Cambridge, MA (US); Jozef Slanda, Milford, MA (US); and Jamie Li, Lexington, MA (US)
Assigned to Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed by Boston Scientific Scimed, Inc., Maple Grove, MN (US)
Filed on Mar. 31, 2015, as Appl. No. 14/674,933.
Claims priority of provisional application 61/974,778, filed on Apr. 3, 2014.
Prior Publication US 2015/0283325 A1, Oct. 8, 2015
Int. Cl. A61B 17/42 (2006.01); A61B 17/3203 (2006.01); A61M 5/315 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/42 (2013.01) [A61B 17/3203 (2013.01); A61M 5/31505 (2013.01); A61B 2090/034 (2016.02); A61B 2090/08021 (2016.02); A61M 2210/1475 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A medical device comprising:
a brake having a housing member and an actuation member, the housing member being configured to be removably coupled to a syringe having a plunger, the plunger including a projecting member, at least a portion of the projecting member being disposed within the syringe when delivering fluid to a patient,
the housing member including a first arm and a second arm, the first arm and the second arm configured to receive and couple the brake to the syringe, the first arm including a curved surface, the second arm including a curved surface, the actuation member being movably coupled to the housing member, the actuation member including a contact portion, the contact portion defining a recess configured to receive a portion of projecting member of the plunger, the contact portion including a brake pad, the brake pad configured to contact the plunger and prevent movement of the plunger with respect to the housing member, and
the actuation member configured to move from a first position to a second position, the brake pad configured to resist movement of the portion of the plunger through the recess when the actuation member is in the first position.