collapsible bag is sealingly ported through an orifice in the implosion chamber as pressure is applied to the fluid within the implosion chamber by way of a hydraulic ram the sterile water exits the collapsible bag under extremely high pressure through its port and is directed through a hand held cutting nozzle to an incision site unintended collateral tissue trauma is minimized in one embodiment though use of a water shroud projected about the high pressure water jet during cutting operations application_number US 22519594 A description referring to fig1 a fairly basic but preferred embodiment of a water torch system of applicant 39 s invention is identified generally by the reference numeral 10 this embodiment of applicant 39 s invention generally includes an implosion chamber 12 a hydraulic piston unit 14 a high pressure hose 16 and a nozzle 18 and a foot control unit 20 the details of these components will be discussed later herein referring to fig2 4 5 6 7 and 8 an implosion bag assembly 30 resides inside the implosion chamber 12 during operation of the water torch system 10 the implosion bag assembly 30 includes in the preferred embodiment a bag member 32 which is formed from a flexible.