Installing The Socket Connector - Otto HarmonyP3 4R147 Instrucciones De Uso

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4 Handling
CAUTION
Health risk as a result of using of wrong prosthetic socket. The application of wrong socket
techniques can cause health risks for the patient (increased accumulation of fluid in the resi-
dual limb, e.g. oedemas). The prosthetic socket has to be fabricated following exclusively the
Harmony socket fabrication technique.

4.1 Installing the socket connector

On a new socket, drill a 6mm (¼") hole into the socket at a distal, posterior position. For sockets
with a 4R136 or 4R138=5 Ottobock One-Way Valve, remove valve from socket and drill into exist-
ing hole. Remove burrs from the inside of the socket. Lightly sand the exterior of the socket with
medium grit sandpaper to roughen the bonding surface. Wipe with isopropyl alcohol to clean the
bonding surface. Also clean the 2R117 Socket Connector with isopropyl alcohol.
Next, apply a thin coating of adhesive ( Ottobock recommends 2 Component Urethane Adhesive
SL=P091) to the flat surface of the flange as well as the collar. Be careful not to get adhesive in
the tapered end.
Insert tapered end of flange into the 6mm (¼") hole with the tube directed towards the Harmony
Pump. Use needle nose pliers to pull the tapered end of flange into the socket until the flat surface
of the flange is tight against the outer surface of the socket. Tape the flange in place with vinyl
tape. Allow to cure for at least 45 minutes.
Note: For particularly deep or narrow sockets, the tapered flange can be marked with a pen first, then
removed and cut. This may require a slightly larger hole (6,5mm or ¼˝). Glue as with normal socket.
Use a round-edge knife to trim the tapered end of the flange inside of the socket. It should be flush
with the inside surface of the socket.
4.2 Attaching the socket and adapter to the Harmony P3 pump
Tighten the set screws on the proximal receiver of the Shaft (Fig. 2, item 7) onto the socket pyramid
adapter and torque to 15 Nm (133 in-lbs). Use 636K13 Loctite® 241 on screws for final adjustment.
4.3 Attaching the tube adapter to the Harmony P3 pump
INFORMATION
• The 4R147 pump must be used with a 34 mm tube adapter.
• The minimum cut height of the tube adapter is 63.5 mm (2 ½ in) (Fig. 3).
• The tube extends into the pump 42 mm (1.65 in).
• If the tube adapter is cut shorter than 100mm (4 in), ensure the adhesive on the inside dia-
meter of the tube adapter (Fig. 4) does not interfere with the blue screw and washer in the
distal end of the pump. Scrape excess adhesive away with a knife.
Cut the tube adapter to the required length; insert the tube adapter into the distal end of the
pump completely. Torque the Clamp Ring Screw (Fig. 2, item 9) to 10 Nm (88 in-lbs). Use
636K13 Loctite® 241 on screws for final adjustment.
4.4 Connecting the socket connector
Cut the Socket Connector tube to length, slip the black tube collar 4Y310 onto the Socket Con-
nector. Attach to the proximal intake valve (Fig. 1, item 5) on the Harmony P3 pump and press
tube collar down to secure the Socket Connector.
16 | Ottobock ­armonyy3 44147