Abstract: A continuous nerve block apparatus comprising: (a) a hollow needle including a conduit extending between a proximal end and a distal end, the distal end being beveled between ten and fifty degrees; and, (b) a connector operatively coupled to the hollow needle, the connector including at least a first through passage in fluid communication with the conduit of the hollow needle, the connector including a first orifice allowing fluid communication from an exterior of the connector to the first through passage, the connector also including at least one valve.

Abstract: A pressure cooker the casing thereof carrying a pressure relief valve assembly comprising a relief valve having a valve member and a valve seating one of which acts against the other under pressure of biasing means to close a valve port opening into the interior of the cooker and a timer which can be preset to act on an operating member after a predetermined time period, said timer having an actuating member which moves to engage and move said operating member in a substantially linear direction, and said operating member being mechanically connected to means for relieving the pressure of the biasing means.