\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[siunitx,european,fetbodydiode]{circuitikz}
\usetikzlibrary{positioning}
\tikzset{
declare function={% in case of CVS which switches the arguments of atan2
atan3(\a,\b)=ifthenelse(atan2(0,1)==90, atan2(\a,\b), atan2(\b,\a));},
kinky cross radius/.initial=+.125cm,
@kinky cross/.initial=+, kinky crosses/.is choice,
kinky crosses/left/.style={@kinky cross=-},kinky crosses/right/.style={@kinky cross=+},
kinky cross/.style args={(#1)--(#2)}{
to path={
let \p{@kc@}=($(\tikztotarget)-(\tikztostart)$),
\n{@kc@}={atan3(\p{@kc@})+180} in
-- ($(intersection of \tikztostart--{\tikztotarget} and #1--#2)!%
\pgfkeysvalueof{/tikz/kinky cross radius}!(\tikztostart)$)
arc [ radius =\pgfkeysvalueof{/tikz/kinky cross radius},
start angle=\n{@kc@},
delta angle=\pgfkeysvalueof{/tikz/@kinky cross}180 ]
-- (\tikztotarget)}}}
\begin{document}
\begin{circuitikz}
\draw
(0,0) coordinate (s1) to++ (0,-0.4) node (mosfet1) [nigfete,xscale=-1, below,anchor=D] {}
(mosfet1) node (mosfet3) [nigfete,xscale=-1, right=36mm]{}
(mosfet3.S) coordinate (t34)to++ (0,-0.4) node (mosfet4) [nigfete,xscale=-1, below,anchor=D] {}
(mosfet1.S) coordinate (t12)to++ (0,-0.4) node (mosfet2) [nigfete,xscale=-1, below,anchor=D] {}
(s1)-|(mosfet3.D)
(mosfet2.S)-|(mosfet4.S)
(s1)to[short,-*, ]++(5,0)coordinate[label=above:V\textsubscript{uf}](s11)
(mosfet2.S)to[short,-*]++(5,0)coordinate(ss)
(s11)to[C,l=C\textsubscript{out}](ss)to ++(0,-0.5)node[ground]{}
(mosfet1.S)to++(-0.5,0)coordinate(sss)to++(0,0.75)to[short,-o]++(-0.5,0)
(mosfet4.D)to[kinky cross=(mosfet1.S)--(mosfet2.D), kinky crosses=right]++(-3.2,0)to++(0,-0.75)to[short,-o]++(-0.5,0)
;
\end{circuitikz}
\end{document}