Lead adaptor having low resistance conductors and/or encapsulated housing

A lead adaptor comprising:

• a) a connector portion including a quadrupolar type connector assembly configured for reception by an electrical stimulation device;
• b) a receptacle portion electrically connected to the connector portion and having two receptacles for operatively accepting lead connectors, wherein one of the receptacles of the receptacle portion is configured to operatively accept a quadrupolar type lead connector and the other receptacle of the receptacle portion is configured to accept a lead connector other than a quadrupolar type lead connector.

A lead adaptor comprising:

• a) a connector portion including an IS-4 type connector assembly configured for reception by an electrical stimulation device;
• b) a receptacle portion electrically connected to the connector portion and having two receptacles for operatively accepting lead connectors, wherein one of the receptacles of the receptacle portion is configured to operatively accept an IS-4 type lead connector and the other receptacle of the receptacle portion is configured to accept an IS-1 type lead connector.

A lead adaptor comprising:

• a) a connector portion including a quadrupolar IS-4 type connector assembly configured for reception by an electrical stimulation device;
• b) a receptacle portion electrically connected to the connector portion and having two receptacles for operatively accepting lead connectors, wherein one of the receptacles of the receptacle portion is configured to operatively accept an IS-4 type lead connector and the other receptacle of the receptacle portion is configured to accept DF-1 type lead connector.

A lead adaptor comprising:

• a) a connector portion including a DF-4 type connector assembly configured for reception by an electrical stimulation device;
• b) a receptacle portion electrically connected to the connector portion and having two receptacles for operatively accepting lead connectors, wherein one of the receptacles of the receptacle portion is configured to operatively accept a DF-4 type lead connector and the other receptacle of the receptacle portion is configured to accept an IS-1 type lead connector.

A lead adaptor comprising:

• a) a connector portion including a DF-4 type connector assembly configured for reception by an electrical stimulation device;
• b) a receptacle portion electrically connected to the connector portion and having two receptacles for operatively accepting lead connectors, wherein one of the receptacles of the receptacle portion is configured to operatively accept an DF-4 type lead connector and the other receptacle of the receptacle portion is configured to accept DF-1 type lead connector.