Relay adapter and insertion instrument system

A relay adapter, comprising:

• a first connector configured to connect to a processor supplying a first power:
• a second connector configured to connect to an insertion instrument operable using a second power;
• a power circuit coupled to the first connector to receive the first power, configured to convert the first power into the second power, and coupled to the second connector for delivering the second power to the second connector:
• a switching circuit coupled to the power circuit;
• a first wiring including a first end and a second end;
• and
• a second wiring including a third end and a fourth end,
• wherein, when the second connector is not connected to the insertion instrument, the switching circuit prevents the power circuit from delivering the second power to the second connector,
• wherein the first end of the first wiring is connected to the first connector,
• wherein the second end of the first wiring is connected to the second connector,
• wherein the third end of the second wiring is grounded, and
• wherein the fourth end of the second wiring is connected to the second connector.

A relay adapter, comprising:

• a first connector configured to connect to a processor supplying a first power;
• a second connector configured to connect to an insertion instrument operable using a second power;
• a power circuit coupled to the first connector to receive the first power configured to convert the first power into the second power, and coupled to the second connector for delivering the second power to the second connector;
• a switching circuit coupled to the power circuit;
• and
• a light guide having a first end and a second end,
• wherein, when the second connector is not connected to the insertion instrument, the switching circuit prevents the power circuit from delivering the second power to the second connector,
• wherein the light guide is configured to receive at the first end an illumination light from a light source received via the first connector and guide the received illumination light to the second end, and deliver guided illumination light to the second connector.

An insertion instrument system, comprising:

• an insertion instrument configured to be inserted into a subject;
• and
• a relay adapter,
• wherein the relay adapter includes:
• a first connector configured to connect to a processor supplying a first power,
• a second connector configured to connect to the insertion instrument, the insertion instrument operable using a second power,
• a power circuit coupled to the first connector to receive the first power configured to convert the first power into the second power, and coupled to the second connector for delivering the second power to the insertion instrument via the second connector,
• a switching circuit coupled to the power circuit,
• a first wiring including a first end and a second end, and
• a second wiring including a third end and a fourth end, and
• wherein, when the second connector is not connected to the insertion instrument, the switching circuit prevents the power circuit from delivering the second power to the second connector,
• wherein the insertion instrument comprises a third wiring that loops inside the insertion instrument and includes a fifth end and a sixth end,
• wherein the first end of the first wiring is connected via the first connector to a connection detection circuit included in the processor,
• wherein the second end of the first wiring is connected via the second connector to the fifth end of the third wiring,
• wherein the third end of the second wiring is grounded,
• wherein the fourth end of the second wiring is connected via the second connector to the sixth end of the third wiring, and
• wherein, when the first connector is connected to the processor and the second connector is connected to the insertion instrument, the switching circuit permits the power circuit to deliver the second power to the second connector.

An insertion instrument system, comprising:

• an insertion instrument configured to be inserted into a subject;
• and
• a relay adapter,
• wherein the relay adapter includes:
• a first connector configured to connect to a processor supplying a first power,
• a second connector configured to connect to the insertion instrument, the insertion instrument operable using a second power,
• a power circuit coupled to the first connector to receive the first power, configured to convert the first power into the second power, and
• coupled to the second connector for delivering the second power to the insertion instrument via the second connector,
• a switching circuit coupled to the power circuit, and
• a determination signal receiving circuit coupled via the second connector to the insertion instrument to receive a first determination signal from the insertion instrument, configured to provide a first output corresponding to receiving the first determination signal and to provide a second output corresponding to not receiving the first determination signal, and coupled to the switching circuit to deliver the first output and the second output to the switching circuit, and
• wherein, when the second connector is not connected to the insertion instrument, the switching circuit prevents the power circuit from delivering the second power to the second connector,
• wherein the switching circuit is configured to:
• operate the power circuit to deliver the second power to the second connector when the switching circuit receives the first output, and
• operate the power circuit to prevent delivery of the second power to the second connector when the switching circuit receives the second output, and
• wherein the first determination signal is related to a model of the insertion instrument.

An insertion instrument system, comprising:

• an insertion instrument configured to be inserted into a subject;
• and
• a relay adapter,
• wherein the relay adapter includes:
• a first connector configured to connect to a processor supplying a first power,
• a second connector configured to connect to the insertion instrument, the insertion instrument operable using a second power,
• a power circuit coupled to the first connector to receive the first power, configured to convert the first power into the second power, and coupled to the second connector for delivering the second power to the insertion instrument via the second connector,
• a switching circuit coupled to the power circuit, and
• a light guide having a first end and a second end, and
• wherein, when the second connector is not connected to the insertion instrument, the switching circuit prevents the power circuit from delivering the second power to the second connector,
• wherein the light guide is configured to receive at the first end an illumination light from a light source received via the first connector and guide the received illumination light to the second end, and deliver guided illumination light to the insertion instrument via the second connector.

An insertion instrument system, comprising:

• an insertion instrument configured to be inserted into a subject;
• and
• a relay adapter,
• wherein the relay adapter includes:
• a first connector configured to connect to a processor supplying a first power;
• a second connector configured to connect to the insertion instrument, the insertion instrument operable using a second power;
• a power circuit coupled to the first connector to receive the first power, configured to convert the first power into the second power, and coupled to the second connector for delivering the second power to the insertion instrument via the second connector;
• and
• a switching circuit coupled to the power circuit, and
• wherein, when the second connector is not connected to the insertion instrument the switching circuit prevents the power circuit from delivering the second power to the second connector,
• wherein the insertion instrument comprises a third connector connected to the second connector, and
• wherein the third connector includes:
• an electric contact that transmits an electric signal and power, and
• a contact for grounding located around the electric contact and connected to a grounding circuit of the processor via the relay adapter.