Pulse generators, implantable pulse generator and external pulse generators including pulse generators for the purpose of delivering therapy for the managment of chronic, intractable pain; leads that transmit electrical pulses to the spinal cord and record and transmit signals in response to electrical pulses; cardiac pulse generators, Implantable cardiac pulse generators, medical pulse pressure transducers, pulse counters (medical apparatus). pulse meters, pulse oximeters; computer apparatus for use in monitoring biochemical reactions (for medical use), computer controlled exercise apparatus for therapeutic use, computer controlled training apparatus for therapeutic use, computerised tomography apparatus, electronic apparatus for medical use with computers; computer apparatus for use in monitoring biochemical reactions (for medical use), computer controlled exercise apparatus for therapeutic use, computer controlled training apparatus for therapeutic use, computerised tomography apparatus, electronic apparatus for medical use with computers, posterior spinal fixation devices for the correction of back defects, posterior spinal fixation devices for the correction of spinal defects, posterior spinal fixation devices for the treatment of back defects, posterior spinal fixation devices for the treatment of spinal defects; heat dispensing containers for relieving muscle pain; Electrical pain management apparatus; Electrically operated medical apparatus; Analytical instruments for medical use; Apparatus for medical analysis; Apparatus for medical and therapeutic stimulation of the body; Apparatus for medical diagnosis; Apparatus for medical image formation; Apparatus for medical purposes; Apparatus for medical rehabilitation; Apparatus for producing oscillatory waves for medical application; Apparatus for producing ultrasonic waves for medical application; Apparatus for the application of laser radiation for medical purposes; Body function monitoring apparatus for medical purposes; Body rehabilitation apparatus for medical purposes; Detection apparatus for medical use; Diagnostic ultrasound apparatus for medical use; Electro medical apparatus; Electro medical instruments; Electro-medical apparatus for non-invasive therapy of bone disorders; Electro-medical stimulation current apparatus; Electronic analysers for medical purposes; Electronic apparatus for medical purposes; Electronic apparatus for medical use with computers; Electronic medical apparatus; Electronic medical instruments; Fibre optic instruments for medical purposes; Implantable devices for medical use in measuring the composition of body fluids; Impulse measuring apparatus for medical use; Medical apparatus and instruments; Medical apparatus for nerve stimulation; Medical apparatus for neurographic purposes; Medical apparatus for the relief of pain; Medical diagnostic testing apparatus; Medical electronic diagnostic apparatus; Medical electronic therapeutic apparatus; Medical imaging apparatus; Medical testing apparatus; Medical testing instruments; Medical therapy apparatus; Medical therapy instruments; Photometric analysers for medical use; Photometric apparatus for medical use; Photometric instruments for medical use; Radioisotope apparatus for medical treatment; Radioisotope apparatus for medical use; Radiology apparatus for medical use; Radioscopy (fluoroscopy) apparatus for medical use; Scanners for medical use; Scientific apparatus for laboratory use (medical diagnosis); Scientific apparatus for use in analytical tests (medical diagnosis); Scientific electrical apparatus for medical diagnosis; Scientific electrical apparatus for medical treatment purposes; Scientific electronic apparatus for medical diagnosis; Scientific electronic apparatus for medical treatment purposes; Sensor apparatus for medical use in diagnosis; Sensor apparatus for medical use in generating signals in response to movements of the human body; Sensors (measurement apparatus) for medical use; Testing probes for medical diagnostic purposes; Testing probes for medical purposes; Ultrasonic apparatus for medical use; Microelectrical therapeutic apparatus for use in relieving pain; Image processing apparatus for digital imaging in X-ray diagnostics (medical); Radiotherapy apparatus for medical use