US 11,950,802 B2
Dura elevating and cutting apparatus
Richard Li, San Francisco, CA (US); Alexander Dasilva, San Francisco, CA (US); Jake Xu, San Francisco, CA (US); Ambike Bhraguvanshi, San Francisco, CA (US); and Michael Bohl, San Francisco, CA (US)
Assigned to Dignity Health, San Francisco, CA (US)
Appl. No. 17/298,141
Filed by Dignity Health, San Francisco, CA (US)
PCT Filed Nov. 26, 2019, PCT No. PCT/US2019/063227
§ 371(c)(1), (2) Date May 28, 2021,
PCT Pub. No. WO2020/112755, PCT Pub. Date Jun. 4, 2020.
Claims priority of provisional application 62/773,008, filed on Nov. 29, 2018.
Prior Publication US 2022/0015793 A1, Jan. 20, 2022
Int. Cl. A61B 17/3211 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/3211 (2013.01) [A61B 2017/00353 (2013.01); A61B 2017/00389 (2013.01); A61B 2017/32113 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a scalpel housing defining a handle and a shield storage slot, the scalpel housing terminating in a head portion, wherein a distal end of the head portion defines a tip configured for engagement with a blade;
a shield defining an elevator and a blade shield in association with the head portion of the scalpel housing; and
a rotator defined by the shield in engagement with a rotator receptacle defined by the head portion of the scalpel housing;
wherein the shield is operable for rotation in a clockwise or counterclockwise direction between a recessed position in engagement with the shield storage slot of the scalpel housing and an engaged position such that the blade shield engages with the head portion of the scalpel housing and the elevator is positioned in distal relation to the tip;
wherein the rotator receptacle comprises:
a horizontal slot configured to receive the rotator of the shield
wherein the rotator receptacle comprises:
a post formed within the horizontal slot.