Implantation of artificial sphincter for anal incontinence

1989 ◽  
Vol 32 (5) ◽  
pp. 432-436 ◽  
Author(s):  
John Christiansen ◽  
Marianne Lorentzen
1996 ◽  
Vol 39 (12) ◽  
pp. 1352-1355 ◽  
Author(s):  
Paul-Antoine Lehur ◽  
Francis Michot ◽  
Philippe Denis ◽  
Philippe Grise ◽  
Joël Leborgne ◽  
...  

2007 ◽  
Vol 50 (9) ◽  
pp. 1401-1404 ◽  
Author(s):  
Francis Michot ◽  
Jean-Jacques Tuech ◽  
Benoit Lefebure ◽  
Valerie Bridoux ◽  
Philippe Denis

The Lancet ◽  
1987 ◽  
Vol 330 (8553) ◽  
pp. 244-245 ◽  
Author(s):  
John Christiansen ◽  
Marianne Lorentzen

2020 ◽  
Vol 64 (1-4) ◽  
pp. 1253-1259
Author(s):  
Minghui Wang ◽  
Hongliu Yu

Clamping devices with constant force or pressure are desired in medical device, such as hemostatic forceps and the artificial sphincter, to prevent soft tissues from injures due to overloading. It is easily obtained by stretching an SMA wire. However, studies with SMA bending round bar have seldom been reported before. This paper studied constant force characteristic of C-shaped round bar with shape memory alloys. Optimization designs of the components were carried out with computational simulation. Numerical results show that the phenomenon of constant force strongly depends on contour curve shape and geometric dimensions of the C-shaped round bar of SMA component.


JAMA ◽  
1995 ◽  
Vol 274 (7) ◽  
pp. 559 ◽  
Author(s):  
Richard Nelson

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