Endoscope system including system for obtaining usage condition

1. An electronic endoscope system, comprising:

an electronic endoscope;

an endoscope processor to which said electronic endoscope is detachably connected;

a usage status monitoring system which monitors a usage status of said electronic endoscope system and outputs status data; and

a usage condition obtaining system which obtains a usage condition of said electronic endoscope system based on the status data, said usage condition obtaining system updating the usage condition based on the status data successively output by said usage status monitoring system;

wherein said usage condition obtaining system includes a first memory in which the usage condition is stored;

wherein said usage status monitoring system includes a detecting system which determines whether said endoscope processor is supplied with power, the status data including a detection result of said detecting system; and

wherein said usage condition obtaining system includes a timer, and a time measuring system which measures a total time period for which said endoscope processor is supplied with power using said timer based on the detection result output by said detecting system, the usage condition including the total time period.

2. An electronic endoscope system, comprising:

an electronic endoscope;

an endoscope processor to which said electronic endoscope is detachably connected;

a usage status monitoring system which monitors a usage status of said electronic endoscope system and outputs status data; and

a usage condition obtaining system which obtains a usage condition of said electronic endoscope system based on the status data, said usage condition obtaining system updating the usage condition based on the status data successively output by said usage status monitoring system;

wherein said usage condition obtaining system includes a first memory in which the usage condition is stored;

wherein said electronic endoscope includes an instrument-inserting channel configured to have an instrument inserted therein;

wherein said usage status monitoring system includes a detecting system which determines whether the instrument is inserted into the instrument-inserting channel, the status data including a detection result of said detecting system; and

wherein said usage condition obtaining system includes a counting system which counts the number of times that the instrument is inserted into the instrument-inserting channel based on the detection result output by said detecting system, the usage condition including the number of times that the instrument is inserted into the instrument-inserting channel.

3. The electronic endoscope system according to claim 1 ,

wherein said detecting system includes a mechanical switch provided in said electronic endoscope, a member of said mechanical switch being pressed when the instrument is inserted into the instrument-inserting channel; and

wherein said detecting system determines whether the instrument is inserted into the instrument-inserting channel based on a signal output by said mechanical switch.

4. The electronic endoscope system according to claim 1 , wherein said detecting system includes a light-emitting device and a photodetector which are provided in said electronic endoscope, said light-emitting device and said photodetector being placed so that a light beam emitted by said light-emitting device is blocked by the instrument when the instrument is inserted into the instrument-inserting channel; and

wherein said detecting system determines whether the instrument is inserted into the instrument-inserting channel based on a signal output by said photodetector.

5. The electronic endoscope system according to claim 2 ,

wherein said detecting system is configured to detect the type of the instrument inserted into the instrument-inserting channel; and

wherein said counting system categorizes the number of times that the instrument is inserted into the instrument-inserting channel by the type of the instrument.

6. The electronic endoscope system according to claim 5 ,

wherein said detecting system includes a bar code reader provided in said electronic endoscope; and

wherein said bar code reader reads a bar code on the instrument when the instrument is inserted into the instrument-inserting channel, the bar code on the instrument representing the type of the instrument.

7. An electronic endoscope system, comprising:

an electronic endoscope;

an endoscope processor to which said electronic endoscope is detachably connected;

a usage status monitoring system which monitors a usage status of said electronic endoscope system and outputs status data;

a usage condition obtaining system which obtains a usage condition of said electronic endoscope system based on the status data, said usage condition obtaining system updating the usage condition based on the status data successively output by said usage status monitoring system; and

an external device which is connected to said endoscope processor, said external device being configured to input instructions enabling usage, based on renewal of a rental agreement, of the electronic endoscope,

wherein said usage condition obtaining system is incorporated into said external device;

wherein said usage condition obtaining system includes a first memory in which the usage condition is stored;

wherein said endoscope processor includes a light source which emits light for illuminating an object to be observed to a light guide provided in said electronic endoscope;

wherein said usage status monitoring system includes a detecting system which determines whether said light source is energized, the status data including a detection result of said detecting system;

wherein said usage condition obtaining system includes a timer, and a time measuring system which measures a total time period for which said light source is energized using said timer based on the detection result output by said detecting system, the usage condition including the total time period;

wherein said detecting system further determines whether said endoscope processor is supplied with power; and

wherein said time measuring system measures a total time period for which said endoscope processor is supplied with power using said timer based on the detection result output by said detecting system, the usage condition including the total time period.