US 12,433,772 B2
Interchangeable pump-lock for prosthetic socket and method of use
Aldo Laghi, Pinellas Park, FL (US); and Jakob McClelland, Gulfport, FL (US)
Filed by Alps South S.R.O., Plzen (CZ); and Aldo Laghi, Pinellas Park, FL (US)
Filed on Nov. 22, 2021, as Appl. No. 17/531,865.
Application 17/531,865 is a continuation in part of application No. 16/261,142, filed on Jan. 29, 2019, granted, now 11,224,527.
Prior Publication US 2022/0079782 A1, Mar. 17, 2022
Int. Cl. A61F 2/80 (2006.01)
CPC A61F 2/80 (2013.01) [A61F 2002/805 (2013.01); A61F 2002/807 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An interchangeable pump-lock system for a prosthetic socket, comprising in combination:
a prosthetic socket having a molded threaded insert comprising interior threading,
a male threaded piece with male threads for engaging the interior threading, the male threaded piece further comprising an opening through an exterior face and a central cavity wherein one of a vacuum pump and a mechanical lock is interchangeably located, the vacuum pump comprising:
an elastomeric housing comprising an inner fluid channel, an upper exterior surface, and a sealing element;
a spring member, a first one-way valve preventing backflow of air, a second one-way valve preventing backflow of air, wherein the spring member, first one-way valve, and second one-way valve are disposed within the inner fluid channel;
and the locking mechanism comprising:
a mechanical lock having a central inlet and a mechanical locking pin configured to engage a male end of a prosthetic liner when inserted into the central inlet.