US 12,213,702 B2
Fetus delivery assisting device
Rajiv Varma, Shenfield (GB)
Assigned to CooperSurgical, Inc., Trumbull, CT (US)
Filed by SAFE OBSTETRIC SYSTEMS LIMITED, Brentwood (GB)
Filed on Jul. 13, 2021, as Appl. No. 17/374,433.
Application 17/374,433 is a continuation of application No. 16/192,290, filed on Nov. 15, 2018, granted, now 11,090,084.
Claims priority of application No. 1718988 (GB), filed on Nov. 16, 2017.
Prior Publication US 2021/0338285 A1, Nov. 4, 2021
Int. Cl. A61B 17/44 (2006.01); A61B 17/42 (2006.01); A61B 17/00 (2006.01); A61B 90/00 (2016.01)
CPC A61B 17/442 (2013.01) [A61B 17/42 (2013.01); A61B 2017/00544 (2013.01); A61B 2017/00557 (2013.01); A61B 2090/0807 (2016.02)] 20 Claims
OG exemplary drawing
 
1. A fetus delivery assisting device comprising:
a base;
a rigid shaft comprising a first end coupled to the base and a second end having a fixed arcuate shape; and
an inflatable balloon mounted to the base along a first side of the base,
wherein the base and the inflatable balloon are configured to be positioned with the inflatable balloon in a deflated state between a fetal head of a fetus and a wall of a pelvic cavity,
wherein the inflatable balloon is configured to contact the fetal head to displace the fetal head away from the wall of the pelvic cavity when the inflatable balloon is between the fetal head and the wall of the pelvic cavity and is inflated,
wherein the base comprises surface features along a second side of the base that is opposite to the first side of the base such that the surface features are spaced apart from the fetus when the inflatable balloon is in contact with the fetal head,
wherein the surface features are configured to provide friction between the base and the wall of the pelvic cavity,
wherein each of the surface features extends from a flat portion of the base, and
wherein the inflatable balloon is capable of receiving a fluid volume of 500 cubic centimeters.