CN1953696A - Endoscope - Google Patents

Abstract

An endoscope where an insertion section and an operation section are separatable from each other to make the insertion section replaceable, thereby a commonality is provided to the operation section and inspection cost is reduced. The endoscope (1) has an operation section (2), an insertion section (3) removably connected to the operation section (2), and transmission/reception coils (13a, 13b, 18a, 18b) provided on the operation section (2) and the insertion section (3) and performing contactless transmission and reception of a signal between the operation section (2) and the insertion section (3) when the insertion section (3) is connected to the operation section (2).

Description

Endoscope

Technical field

The present invention relates to insert and wait the endoscope that carries out splanchnoscopy etc. in the body cavity.

Background technology

In the past, endoscope apparatus was widely used in medical field etc.The endoscope apparatus in the medical field particularly mainly carries out using in such purposes such as the processing of intravital inspection, observation etc. as subject at operative doctor.

As the endoscope of the processing that is used for carrying out intravital inspection, observation etc., for example the disclosed endoscope of TOHKEMY 2000-157486 communique is widely known by the people.The endoscope of this motion mainly is made of insertion section and operating portion, constitutes one respectively.

But, in the example of TOHKEMY 2000-157486 communique, because operating portion and insertion section constitute one, so need all get all the endoscope of insertion section ready with desired specification, therefore miscellaneous degree of number of devices and management increases, as a result, exist checking that cost brings the problem of influence.

Summary of the invention

The present invention In view of the foregoing proposes, and its purpose is to provide a kind of endoscope, and insertion section and operating portion can freely load and unload in this endoscope, and can change the insertion section, can realize the sharing of operating portion thus, reduces and checks cost.

Endoscope of the present invention has: operating portion; Can be connected the insertion section on the described operating portion with freely loading and unloading; With signal transmitting and receiving portion, it is located at respectively on described operating portion and the described insertion section, under described insertion section is connected situation on the described operating portion, carries out signal transmitting and receiving between described operating portion and the described insertion section in the contactless mode.

Description of drawings

Fig. 1 is the figure of structure that is used to illustrate the endoscope of the 1st embodiment.

Fig. 2 is the figure of structure of operating portion that is used to illustrate the endoscope of the 1st embodiment.

Fig. 3 is the figure of structure of insertion section of the endoscope of explanation the 1st embodiment.

Fig. 4 is the summary structure chart of the endoscopic system control device that connected of endoscope's adapter of the endoscope of the 1st embodiment.

Fig. 5 is the block diagram of the internal structure of the operating portion of endoscope of expression the 1st embodiment and insertion section.

Fig. 6 is the block diagram that expression is located at the internal structure of the image unit on the insertion section of endoscope of the 1st embodiment.

Fig. 7 is the block diagram that expression is located at the internal structure of the sensing unit on the insertion section of endoscope of the 1st embodiment.

Fig. 8 is the block diagram that expression is located at the internal structure of the motion control unit on the insertion section of endoscope of the 1st embodiment.

Fig. 9 is the figure of structure of the 1st variation that is used to illustrate the endoscope of expression the 1st embodiment.

Figure 10 is the figure that is used to illustrate the structure when being connected the endoscope of type in the past on the endoscopic system control device of the 1st embodiment.

Figure 11 be explanation will be in the past the profile of the adapter that uses when being connected on the endoscopic system control device of the 1st embodiment of the endoscope of type.

Figure 12 is the figure of structure that is used to illustrate the endoscope of the 2nd embodiment.

Figure 13 is the figure of structure of photographic head adapter that is used to illustrate the endoscope of the 2nd embodiment.

Figure 14 is the block diagram of the internal structure of the operating portion of endoscope of expression the 2nd embodiment and photographic head adapter.

Figure 15 is the profile of variation of the endoscope of expression the 2nd embodiment.

Figure 16 is the profile of electric wire unit of variation of the endoscope of the 2nd embodiment.

Figure 17 is the block diagram of the internal structure of the electric wire unit of variation of endoscope of expression the 2nd embodiment and photographic head adapter.

Figure 18 is the structure chart of structure of the endoscope of expression the 3rd embodiment.

Figure 19 is the figure that is used to illustrate the structure of operating portion shown in Figure 180.

Figure 20 is the figure that is used to illustrate the structure of insertion section shown in Figure 180.

Figure 21 is the block diagram of piece electrical structure of the endoscope of expression Figure 18.

Figure 22 is the block diagram that expression is located at the internal structure of the image unit on the insertion section of Figure 21.

Figure 23 is the block diagram that expression is located at the internal structure of the lighting unit on the insertion section of Figure 21.

Figure 24 is the block diagram that expression is located at the internal structure of the sensing unit on the insertion section of Figure 21.

Figure 25 is the block diagram that expression is located at the internal structure of the motion control unit on the insertion section of Figure 21.

Figure 26 is the block diagram that expression is located at the internal structure of the power supply generating unit on the insertion section of Figure 21.

Figure 27 is the structure chart of the 1st variation that is used to illustrate the endoscope of the 3rd embodiment.

Figure 28 is the structure chart of structure of the endoscope of expression the 4th embodiment.

Figure 29 is the figure of the structure of expression operating portion shown in Figure 28.

Figure 30 is the figure of the structure of expression insertion section shown in Figure 28.

Figure 31 is the block diagram of piece electrical structure of the endoscope of expression Figure 28.

Figure 32 is the structure chart of the 1st variation that is used to illustrate the endoscope of the 4th embodiment.

Figure 33 is the structure chart of structure of the endoscope of expression the 5th embodiment.

Figure 34 is the structure chart of structure that is used to illustrate the photographic head adapter of endoscope.

Figure 35 is the figure that is used to illustrate the structure of operating portion shown in Figure 33.

Figure 36 is the figure that is used to illustrate the structure of photographic head adapter shown in Figure 33.

Figure 37 is the block diagram of the piece electrical structure of the endoscope among expression Figure 34.

The specific embodiment

Below, with reference to the description of drawings embodiments of the present invention.

(the 1st embodiment)

Fig. 1～Figure 11 relates to the 1st embodiment of the present invention.Fig. 1 is the figure of structure that is used to illustrate the endoscope of present embodiment.Fig. 2 is the figure of structure of operating portion that is used to illustrate the endoscope of present embodiment.Fig. 3 is the figure of structure of insertion section that is used to illustrate the endoscope of present embodiment.Fig. 4 is the summary structure chart of the endoscopic system control device that connected of endoscope's adapter of the endoscope of present embodiment.Fig. 5 is the block diagram of the internal structure of the operating portion of endoscope of expression present embodiment and insertion section.Fig. 6 is the block diagram that expression is located at the internal structure of the image unit on the insertion section of endoscope of present embodiment.Fig. 7 is the block diagram that expression is located at the internal structure of the sensing unit on the insertion section of endoscope of present embodiment.Fig. 8 is the block diagram that expression is located at the internal structure of the motion control unit on the insertion section of endoscope of present embodiment.Fig. 9 is the figure of structure of the 1st variation that is used to illustrate the endoscope of expression present embodiment.Figure 10 is the figure that is used to illustrate the structure when being connected the endoscope of type in the past on the endoscopic system control device of present embodiment.Figure 11 be explanation will be in the past the profile of the adapter that uses when being connected on the endoscopic system control device of present embodiment of the endoscope of type.

Endoscope 1 has operating portion 2 and insertion section 3.Operating portion 2 has the 2a of adapter portion as operating portion side holding section of the end that is formed at operating portion 2, in addition as shown in Figure 2, is located on the inner peripheral surface of the 2a of adapter portion as the bulb stopper 2b of protuberance.And, as shown in Figure 3,, on the outer peripheral face of insertion section 3, be provided with all groove 3b as recess as side holding section, insertion section.Bulb stopper 2b utilizes this structure for being fastened on the structure on all groove 3b, realizes the structure that makes operating portion 2 and insertion section 3 freely load and unload and freely to rotate.In addition, in the present embodiment, under the situation of bulb stopper 2b and all groove 3b engaging, be located at dispatch coil 13a described later and 13b on the operating portion 2, be configured on the position of physically leaving with the dispatch coil 18a described later and the 18b that are located on the insertion section 3.

Extend general line 4 from operating portion 2,3 extend pipe unit 5 from the insertion section.Leading section in general line 4 is provided with endoscope's adapter 6, is provided with all groove 6a at the outer peripheral face of endoscope's adapter 6.Endoscope's adapter 6 forms the structure that can freely load and unload in the contactless mode by all groove 6a and endoscopic system control device 30 described later.And, being provided with tube connector 7 at the leading section of pipe unit 5, it forms the structure that can freely load and unload with endoscopic system control device 30 described later.And, be provided with the various pipeline 5a of usefulness such as the water of supplying gas in the inside of pipe unit 5.In addition, pipe unit 5 forms the structure that can freely load and unload with insertion section 3.

Operating portion 2 is provided with trace ball 8, endoscope's switches set 9 on the outer surface.Trace ball 8 forms spherical, by being rotated or push by operative doctor, can carry out various operations such as flexure operation, setting change etc.Endoscope's switches set 9 is by the various operations such as water of can supplying gas such as being pushed by operative doctor.

And operating portion 2 has control circuit 10, transmission circuit 11a and 11b, antenna 12, dispatch coil 13a and 13b, pick off 14a and 14b, optical fibers 17a as shown in Figure 2 in inside.

Insertion section 3 has in inside as shown in Figure 3: the various pipeline 3a with multiple pipeline; Optical fibers 17b; Dispatch coil 18a and 18b; Transmission circuit 19a and 19b; The detection tabs 20 of leaking; Angle parts 21; Imaging apparatus 22; Touch sensor 68a described later; With transparency pick off 68c described later.In addition, except above-mentioned parts, also be provided with motion control unit 69 etc. in insertion section 3, but do not illustrate in Fig. 3, concrete conditions such as its effect will be narrated in the back.

When various pipeline 3a form on insertion section 3 connection tube unit 5,, utilize this structure with the structure that the various pipeline 5a that are located at pipe unit 5 inside are communicated with, can be to the subject inside water etc. of supplying gas.

Angle is located at parts 21 on the leading section of insertion section 3, by operative doctor operation trace ball 8, can make the leading section bending of insertion section 3 according to the control content of motion control unit 69 described later.

The content that control circuit 10 receives the operation that operative doctors carry out from the pick off 14a that connects trace ball 8 and 14b and endoscope's switches set 9 is as signal, and the state according to this signal transmits control signal to each several part.And control circuit 10 connects antenna 12, carries out the transmitting-receiving of control signal by 12 pairs of endoscopic system control device 30 described later of antenna.

Control circuit 10 is connected on transmission circuit 11a and the 11b.Control circuit 10, by transmission circuit 11b and dispatch coil 13a, transmits control signal to the dispatch coil 18a that is located on the insertion section 3 during 3 attended operation portions 2 in the insertion section.And control circuit 10 during 3 attended operation portions 2, by dispatch coil 13b and transmission circuit 11a, receives image pickup signal and the control signal as the signal of video signal that send from the dispatch coil 18b that is located on the insertion section 3 in the insertion section.And control circuit 10 sends to the image pickup signal modulation portion 15 of being located at endoscope's adapter 6 inside to described image pickup signal that is received and described control signal.When image pickup signal modulation portion 15 connects endoscopic system control device 30 in general line 4, after the frequency modulation(PFM) of having carried out described image pickup signal and described control signal, send described image pickup signal and described control signal to endoscope's system control device 30 by dispatch coil 16a.

Dispatch coil 13a and 13b as signal transmitting and receiving portion, its section configuration constitutes circular, so in the insertion section during 3 attended operation portions 2, the transmitting-receiving that can realize the various signals of contactless mode by electromagnetic induction and dispatch coil 18a and 18b as signal transmitting and receiving portion with same structure.And, dispatch coil 16a is also identical with dispatch coil 13a and 13b with 16b, its section configuration constitutes circular, so when general line 4 connects endoscopic system control device 30, can by electromagnetic induction be located at the transmitting-receiving that dispatch coil 31a on the endoscopic system control device 30 and 31b realize the various signals of contactless mode.

In addition, the each several part of being located on operating portion 2 and the insertion section 3 drives needed electric power, as be provided for operating portion 2 and insertion section 3 by the electric power signal of signalling in endoscopic system control device 30.That is, the electric power signal that sends from endoscopic system control device 30, send to dispatch coil 16a from dispatch coil 31a in the contactless mode after, send to dispatch coil 13a by transmission circuit 11b.The dispatch coil 13a that has received this electric power signal sends to dispatch coil 18a in the contactless mode with electric power signal by electromagnetic induction.And dispatch coil 18a receives described electric power signal by electromagnetic induction in the contactless mode.And dispatch coil 18a sends to DC power supply generating unit 64 described later to the described electric power signal that is received.

As shown in Figure 2, be provided with optical fibers 17a in the inside of operating portion 2 and general line 4, and as shown in Figure 3,3 inside is provided with the optical fibers 17b as the 2nd light element in the insertion section as the 1st light element.Optical fibers 17a and optical fibers 17b form the structure that is communicated with by insertion section 3 attended operation portions 2, utilize this structure, and from the irradiates light that endoscopic system control device 30 provides, 3 leading section shines subject inside from the insertion section.

Leak detect with joint 20 be located at various pipeline 3a near, have and can detect the structure that generation is leaked in arbitrary pipeline of various pipeline 3a.

The control signal that transmission circuit 19a receives electric power signal and sends from control circuit 10 by dispatch coil 18a, each several part is driven needed electric power signal send to DC power supply generating unit 64, the control signal at each several part is sent to angle parts 21, imaging apparatus 22 etc.And transmission circuit 19b receives the signals such as image pickup signal of the captured subject inside of imaging apparatus 22, sends these image pickup signals by dispatch coil 18b to control circuit 10.

In addition, the internal structure of the endoscopic system control device 30 that is connected with tube connector 7 about endoscope's adapter 6 of the endoscope 1 of present embodiment describes with reference to Fig. 4.

Endoscopic system control device 30 has the 1st multifrnction connector the 31, the 2nd multifrnction connector 32, panel control unit 33, tube connector connecting portion 34, image input and output portion 35 and antenna 36 on the outer surface of housing.

The 1st multifrnction connector 31 has dispatch coil 31a and 31b, bulb stopper 31c, diaphragm unit 31b in inside.

Because the section configuration of dispatch coil 31a and 31b constitutes circular, so when general line 4 connects endoscopic system control device 30, can pass through electromagnetic induction, realize the transmitting-receiving of the various signals of contactless mode with the dispatch coil 16a with same structure and 16b.Bulb stopper 31c is located on the inner peripheral surface of the 1st multifrnction connector 31.Bulb stopper 31c forms the structure that can engage with all groove 6a, utilizes this structure, realizes the structure that endoscopic system control device 30 and general line 4 can freely be loaded and unloaded.Diaphragm unit 31d can be provided by the power of the irradiates light that provides from the lamp 37 as light source.

The 2nd multifrnction connector 32 can be at the inside of endoscopic system control device 30 connected system control unit 38, and connects various electric wires such as continuous electric wire on the outer surface of endoscopic system control device 30.Panel control unit 33 has switch of the operation that is used to carry out endoscopic system control device 30, control etc. etc.

Tube connector connecting portion 34 forms the structure that can freely load and unload with tube connector 7.When tube connector 7 is connected with tube connector connecting portion 34, various pipeline 5a and each pipeline connection that is located at endoscopic system control device 30 inside.And, each pipeline that is located at endoscopic system control device 30 inside connect send water with bottle 44, auxiliary send water with bottle 45, attract to use bottle 46.Send water to be provided with the 1st pump 44a, the 1st electromagnetic valve 44b and the 2nd electromagnetic valve 44c midway with the pipeline of bottle 44 in connection, the adjustment of pushing quantity is carried out on the each several part flow pipe road that various pipeline 5a are had of cooperating mutually.And, auxiliaryly send water to be provided with the 2nd pump 45a midway connecting with the pipeline of bottle 45, the 2nd pump 45a carries out the adjustment of pushing quantity to the flow pipe road that various pipeline 5a have.In addition, connect to attract the pipeline with bottle 46 to be provided with the 3rd pump 46a midway, the traffic attraction of the intravital body fluid of the attraction pipeline attraction that the 3rd pump 46a has the attraction pipeline that has by various pipeline 3a and various pipeline 5a etc. is adjusted.In addition, the state of described each pump and described each electromagnetic valve basis 41 control signals that send from AWS (water/attraction of supplying gas/send) unit is by independent control.

Image input and output portion 35 can connect image pickup signal processing units 39 in endoscopic system control device 30 inside, and connects monitor etc.Antenna 36 connects R-T unit 42 in the inside of endoscopic system control device 30, carries out the transmitting-receiving of control signal at the antenna of being located on the operating portion 2 12.

System control unit 38 transmits control signal to the each several part of endoscope's system control device 30, carries out the control of each several part.The image pickup signal of the subject inside that 39 pairs of imaging apparatuss of image pickup signal processing unit 22 are taken is handled etc.Lamp light with 40 pairs of lamps of power subsystem 37 carry out lamp 37 when irradiates light is provided needed electric power supply with.

Lamp 37 is provided for shining the irradiates light of subject inside by optical fibers 17a and optical fibers 17b.Between lamp 37 and optical fibers 17a, be provided with RGB filter 47 and swivel plate 48, can carry out tone adjustment etc.And 43 pairs of endoscopic systems 30 of power subsystem provide electric power, and provide each several part to drive needed electric power to endoscope 1, as by the electric power signal of signalling.

Below, mainly the operating portion 2 of endoscope 1 of present embodiment and the internal structure of insertion section 3 are described with reference to Fig. 5.

The control circuit 10 that is located at operating portion 2 inside has trace ball displacement detecting portion 50, on off state change-detection portion 51, condition managing portion 52, image storage 53, state maintenance memorizer 54, communicating wireless signals portion 55 and DC power supply generating unit 56.And as shown in Figure 2, sensor part 14 is made of pick off 14a and pick off 14b.

And the transmission circuit 11a that is located at operating portion 2 inside is made of status signal demodulation section 57 and image pickup signal demodulation section 58, and status signal and image pickup signal are carried out demodulation.The transmission circuit 11b that is located at operating portion 2 inside is made of control signal modulation portion 59 and the synthetic portion 60 of signal, to control signal with electric power signal is modulated and synthetic.

The transmission circuit 19a that is located at 3 inside, insertion section is made of control signal demodulation section 63 and signal separated part 65, and control signal is separated and demodulation with electric power signal.The transmission circuit 19b that is located at 3 inside, insertion section is made of status signal modulation portion 61 and image pickup signal modulation portion 62, and status signal and image pickup signal are modulated.

Trace ball displacement detecting portion 50 sends to condition managing portion 52 and to detect contents as signal after detecting trace ball 8 by sensor part 14 and being rotated by operative doctor.On off state change-detection portion 51 detect trace ball 8 pushed by operative doctor be pressed etc. with endoscope switch 9 after, send to condition managing portion 52 and to detect contents as signal.

Image storage 53 can be write down the image pickup signal of the subject inside of image unit 70 shootings with imaging apparatus 22.And state keeps memorizer 54 for example to constitute record cell non-volatile and that can rewrite, has write down the model information, individual information of endoscope 1 etc.

Condition managing portion 52 has not shown CPU (central arithmetic unit) etc., the each several part of operating portion 2 and insertion section 3 is controlled etc.Condition managing portion 52 according to the signal that sends from trace ball displacement detecting portion 50 and on off state change-detection portion 51, be that corresponding trace ball 8 has non-displacement or has or not and is pressed and endoscope's switches set 9 has or not the state of the signal that sends of being pressed, send to communicating wireless signals portion 55 and control signal modulation portion 59 be used to control, the signal of action etc., promptly send the signal of the fader control that is used to carry out irradiates light, flexure operation etc.In addition, condition managing portion 52 receives the amount of bow, the amplification of imaging apparatus 22 that image unit 70 obtains of contact condition, insertion section 3 that motion control unit 69 detects of subject inside of the leading section of the pollutional condition of the various pipeline 3a that the aftermentioned sensing unit 68 be located on the insertion section 3 detects and insertion section 3, as status signal.And according to the state of this signal be stored in the content that state keeps the information in the memorizer 54, condition managing portion 52 sends the signal that is used to control etc. to communicating wireless signals portion 55 and control signal modulation portion 59.And communicating wireless signals portion 55 sends to antenna 12 to the control signal that receives from condition managing portion 52.And condition managing portion 52 receives the image pickup signal of the subject inside of image unit 70 shootings with imaging apparatus 22 by image pickup signal demodulation section 58 and image storage 53.

DC power supply generating unit 56 received send to the electric power signal of operating portion 2 from endoscopic system control device 30 after, electric power signal is converted to direct current power, provide electric power to the each several part of operating portion 2.That is, DC power supply generating unit 56 is according to the electric power signal that is received, and is created on the electric power that use in the operating portion 2, provides electric power to the each several part of operating portion 2.

The 57 pairs of status signals that received of status signal demodulation section that constitute transmission circuit 11a carry out demodulation, the status signal after condition managing portion 52 sends demodulation.And the 58 pairs of image pickup signals that received of image pickup signal demodulation section that constitute transmission circuit 11a carry out demodulation, the image pickup signal after image storage 53 sends demodulation.

The control signal modulation portion 59 that constitutes transmission circuit 11b is modulated the control signal after the synthetic portion 60 of signal sends modulation for example by frequency modulation(PFM) etc. to the control signal that sends from condition managing portion 52.And, 60 pairs in the synthetic portion of signal that constitutes transmission circuit 11b from endoscopic system control device 30 send to operating portion 2 electric power signal, synthesize with the control signal after the described modulation, send signal after synthetic to insertion section 3.

The status signal after status signal demodulation section 57 sends modulation is modulated for example by frequency modulation(PFM) etc. by the status signal modulation portion 61 that constitutes transmission circuit 19b to the status signal that sends from the synthetic portion 67 of status signal.And the 62 pairs of image pickup signals that send from image unit 70 of image pickup signal modulation portion that constitute transmission circuit 19b are modulated the image pickup signal after image pickup signal demodulation section 58 sends modulation.

The 63 pairs of control signals that send from signal separated part 65 of control signal demodulation section that constitute transmission circuit 19a are carried out demodulation, the control signal after identity information store 66 and image unit 70 transmission demodulation.And the signal separated part 65 that constitutes transmission circuit 19a is separated into electric power signal and control signal to the signal that sends from the synthetic portion 60 of signal, sends this control signal to control signal demodulation section 63, and, send this electric power signal to DC power supply generating unit 64.

DC power supply generating unit 64 as the electric power generation unit has received behind the electric power signal of signal separated part 65 transmissions, and electric power signal is converted to direct current power, and the each several part to insertion section 3 provides electric power.That is, DC power supply generating unit 64 is created on the electric power that uses in the insertion section 3 according to the electric power signal that is received, and the each several part to insertion section 3 provides electric power.Identity information store 66 for example constitutes record cell non-volatile and that can rewrite, has write down model information, individual information of endoscope 1 etc.And identity information store 66 sends signal based on the state of the control signal that is stored in the information in the identity information store 66 and sends from control signal demodulation section 63 to the synthetic portion 67 of status signal.The described signal that the synthetic portion 67 of status signal will send from identity information store 66, the transparency signal that sends from sensing unit 68 and contact pressure signal, the current position signal that sends from motion control unit 69 and the amplification signal that sends from image unit 70 synthesize, and the status signal after synthesizing is sent to status signal modulation portion 61.

As the image unit 70 of shooting means as shown in Figure 6, have imaging apparatus 22, as ADC 70a, amplification control part 70b and the imaging apparatus drive division 70c of A/D conversion circuit (below be expressed as ADC).Imaging apparatus drive division 70c has received the control signal that sends from control signal demodulation section 63, has promptly made a video recording after the control signal, sends the shooting control signal to imaging apparatus 22, ADC 70a, amplification control part 70b.And imaging apparatus drive division 70c drives the each several part that has sent described shooting control signal according to the state of described shooting control signal.And, amplification control part 70b according to the control signal that sends from imaging apparatus drive division 70c, be the content of amplification control signal and described shooting control signal, sending the signal that is used to carry out sensitivity adjustment to imaging apparatus 22 is the sensitivity adjustment signal, and sends amplification signal after the amplification based on the sensitivity of being adjusted is converted to digital signal to the synthetic portion 67 of status signal.Imaging apparatus 22 carries out the photography of subject inside according to the state of described shooting control signal and described sensitivity adjustment signal.The image of the subject inside of being photographed is sent to ADC 70a.The ADC 70a that has received the image of described subject inside is the image transitions of described subject inside a digital signal, this digital signal, be that image pickup signal sends to image pickup signal modulation portion 62.

Sensing unit 68 has as shown in Figure 7: touch sensor 68a (with reference to Fig. 1), and the leading section that it is located at insertion section 3 is used to detect the contact condition of the relative subject of the leading section inside of insertion section 3; ADC 68b; Transparency pick off 68c (with reference to Fig. 1), its be located at transparent tube body part among the various pipeline 3a near, be used to detect the pollutional condition of various pipeline 3a inside; And ADC68d.Contact pressure when the leading section that touch sensor 68a obtains insertion section 3 contacts with subject sends to ADC 68b to the value of the contact pressure of being obtained.ADC 68b is converted to digital signal to the value of described contact pressure, the signal after the conversion, be that the contact pressure signal sends to the synthetic portion 67 of status signal.And transparency pick off 68c accepts the reflected light of irradiates light after the subject internal reflection.And transparency pick off 68c obtains the value of transparency according to the catoptrical intensity of being accepted, and the value of this transparency is sent to ADC 68d.ADC 68d is converted to digital signal to the value of described transparency, the signal after the conversion, be that the transparency signal sends to the synthetic portion 67 of status signal.

Motion control unit 69 has as shown in Figure 8: encoder 69a; The actuator 69b that when carrying out the flexure operation of insertion section 3, uses; With the actuator drive division 69c that is provided with for drive actuator 69b.Actuator drive division 69c according to the control signal that sends from control signal demodulation section 63, be the state of target position signal, actuator 69b is driven into the position of controlled target.Encoder 69a is by actuator drive division 69c, the driving condition of actuator 69b, be that the current position signal of actuator 69b sends to the synthetic portion 67 of status signal.

And,, as shown in Figure 9, also can on the operating portion 2 of endoscope 1, connect surgery with flexible mirror 3A as the 1st variation of present embodiment.Surgery forms external diameter less than insertion section 3 with flexible mirror 3A, has the various pipeline 3c that pipeline quantity is less than the various pipeline 3a of insertion section 3.In addition, about the part outside aforementioned, surgery has identical structure etc. with flexible mirror 3A with insertion section 3.That is, surgery has and can send the structure that receives electric power signal, control signal etc. with the relative operating portion 2 of contactless mode with flexible mirror 3A, and has the size shape of the 2a of adapter portion that can freely load and unload ground attended operation portion 2.And surgery can freely load and unload ground connection tube unit 5A with flexible mirror 3A, and this pipe unit 5A has the various pipeline 5bs corresponding with the pipeline quantity of various pipeline 3c.And, being provided with tube connector 7A at the leading section of pipe unit 5A, it constitutes the structure that can freely load and unload with endoscopic system control device 30.

In addition, as the 2nd variation of present embodiment, as shown in figure 10, can inciting somebody to action in the past by adapter 80, the 1A of endoscope of type be connected on the endoscopic system control device 30A.Endoscopic system control device 30A has adapter 49 on the outer surface, is provided with the holding wire that holding wire 80a described later can be connected with image pickup signal processing unit 39 in inside.In addition, about the part outside aforementioned, endoscopic system control device 30A has identical structure etc. with endoscopic system control device 30.

Adapter 80 has holding wire 80a, photoconduction path 80b, supplies gas/flow pipe road 80c and all groove 80d as shown in figure 11.Holding wire 80a is the structure that connects image pickup signal processing unit 39 in the inside of endoscopic system control device 30A, when the 1A of endoscope connection adaptor 80, can send the image pickup signal of the subject inside of the 1A of endoscope shooting.Photoconduction path 80b is photoconductions such as optical fiber, and photoconduction such as the not shown light element that has with the 1A of endoscope, for example optical fiber is connected, and the irradiates light that provides from endoscopic system control device 30A can be directed on the 1A of endoscope thus.Supply gas/flow pipe road 80c is a pipeline, when the 1A of endoscope connection adaptor 80, and the pipeline connection that not shown various pipelines that the 1A of endoscope has and endoscopic system control device 30A inside are had.Week groove 80d and bulb stopper 31c form the structure of engaging each other, utilize this structure, realize the structure that endoscopic system control device 30 and adapter 80 can freely be loaded and unloaded.

Camera system center 81 is connected on the 1A of endoscope of type in the past by electric wire 81a.And camera system center 81 has adapter 81b, also is connected with the adapter 49 of endoscopic system control device 30A by the electric wire 81c that is connected on the adapter 81b.In addition, adapter 49 is connected with system control unit 38 in the inside of endoscopic system control device 30A.

The endoscope 1 of present embodiment has the structure that the part that is connected on the operating portion 2 can be received and dispatched electric power signal, control signal etc. in the contactless mode, as long as have the size shape on the 2a of adapter portion that can be connected operating portion 2, just can freely carry out the loading and unloading of operating portion 2 and insertion section 3, and irrelevant with the type of insertion section 3 etc.As a result, can use common operating portion 2 to connect various insertion sections 3 with described structure and described size shape.

And the endoscope 1 of present embodiment constitutes the transmitting-receiving that realizes various signals between operating portion 2 and insertion section 3 in the contactless mode, so can reduce the concavo-convex etc. of encapsulation, can further improve cleaning.In addition, there be not the situation of contact because of deteriorations such as corrosion in the endoscope 1 of present embodiment, so can use under maintenance electrical characteristic stable status.

(the 2nd embodiment)

Figure 12～Figure 17 relates to the 2nd embodiment of the present invention.In addition, to having the part with the 1st embodiment same structure, omission specifies.And,, use same-sign and omit explanation the element identical with the 1st embodiment.

Figure 12 is the figure of structure that is used to illustrate the endoscope of present embodiment.Figure 13 is the figure of structure of photographic head adapter that is used to illustrate the endoscope of present embodiment.Figure 14 is the block diagram of the internal structure of the operating portion of endoscope of expression present embodiment and photographic head adapter.Figure 15 is the profile of variation of the endoscope of expression present embodiment.Figure 16 is the profile of electric wire unit of variation of the endoscope of present embodiment.Figure 17 is the block diagram of the internal structure of the electric wire unit of variation of endoscope of expression present embodiment and photographic head adapter.

As shown in figure 12, the 1B of endoscope of present embodiment is by operating portion 2, constitute as the photographic head adapter 90 of connection adaptor with as the rigid mirror 3B of insertion section.Operating portion 2 is the structure identical with the 1st embodiment, has identical element.As shown in figure 13, on the outer peripheral face of photographic head adapter 90, be provided with recess, be all groove 90a, as connection adaptor side holding section.Bulb stopper 2b forms the structure that can be fastened on all groove 9a, utilizes this structure, realizes the structure that makes operating portion 2 and photographic head adapter 90 freely load and unload and freely to rotate.And photographic head adapter 90 has fixed part 90b and the 90c that utilizes formations such as circular elastomeric element.Rigid mirror 3B constitutes base end part and is divided into two strands pipeline shape, and these two base end parts form the structure that can engage with fixed part 90b and 90c respectively.And, utilize described structure, realize the structure that photographic head adapter 90 and rigid mirror 3B are are freely loaded and unloaded.In addition, in the present embodiment, under the situation that bulb stopper 2b and all groove 9a fasten, be located at dispatch coil 13a and the 13b on the operating portion 2 and the dispatch coil 18a and the 18b that are located on the photographic head adapter 90 are configured in the position of physically leaving.

As shown in figure 13, photographic head adapter 90 has optical fibers 17c, dispatch coil 18a and 18b, transmission circuit 19a and 19b, imaging apparatus 22, lens 91 and lens 92 in inside.

Lens 91 be located at make subject inside image on the position of imaging on the imaging apparatus 22, and, lens 92 are located at the end of optical fibers 17c, and are located on the position that makes the light optically focused by optical fibers 17c on the fibre-optic end face portion not shown in the base end part of rigid mirror 3B.

Identical with the 1st embodiment, because the section configuration of dispatch coil 18a and 18b constitutes circular, so when photographic head adapter 90 is connected on the operating portion 2, can be by the transmitting-receiving of electromagnetic induction with the various signals of dispatch coil 13a with same structure and 13b realization contactless mode.In addition, the each several part of being located on operating portion 2 and the photographic head adapter 90 drives needed electric power, as offered operating portion 2 and photographic head adapter 90 by the electric power signal of signalling in endoscopic system control device 30.That is, the electric power signal that sends from endoscopic system control device 30, send to dispatch coil 16a from dispatch coil 31a in the contactless mode after, send to dispatch coil 13a by transmission circuit 11b as the electric power signal transmitting element.The dispatch coil 13a that has received this electric power signal sends to dispatch coil 18a in the contactless mode with electric power signal by electromagnetic induction.And, receive described electric power signal by electromagnetic induction in the contactless mode as the dispatch coil 18a of electric power signal receiving element.And DC power supply generating unit 56 is according to the electric power signal that is received, and is created on the electric power that use in the operating portion 2, provides electric power to the each several part of operating portion 2.

As shown in figure 12, be provided with optical fibers 17a as the 3rd light element in the inside of operating portion 2 and general line 4, and its structure is identical with the 1st light element, and as shown in figure 13, is provided with the optical fibers 17c as the 4th light element in the inside of photographic head adapter 90.Optical fibers 17a forms by photographic head adapter 90 with optical fibers 17c and is connected the structure that is communicated with operating portion 2, utilize this structure, the irradiates light that provides from endoscopic system control device 30 is by the lens 92 of photographic head adapter 90, shines subject inside from the leading section of rigid mirror 3B.

And photographic head adapter 90 forms internal structure shown in Figure 14.Rigid mirror 3B is different with the insertion section 3 of the endoscope 1 of the 1st embodiment, does not have angle parts 21, touch sensor 68a and transparency pick off 68c.Therefore, photographic head adapter 90 is different with the insertion section 3 of the endoscope 1 of the 1st embodiment, does not have sensing unit 68 and motion control unit 69.In addition, about the part outside aforementioned, photographic head adapter 90 and insertion section 3 have roughly the same function.That is, photographic head adapter 90 has and can send the function that receives electric power signal, control signal etc. with the relative operating portion 2 of contactless mode.

In addition, as modified embodiment of the present embodiment, the photographic head adapter 90 of the 1B of endoscope also can connect the electric wire unit 2A that general line shown in Figure 15 4 forms as one.

Electric wire unit 2A has the optical fibers 17d as the 3rd light element in inside.And, be provided with the identical adapter 6A of endoscope of structure and endoscope adapter 6 at the leading section of electric wire unit 2A.

As shown in figure 15, be provided with the optical fibers 17d as the 3rd light element in the inside of electric wire unit 2A, its structure is identical with the 1st light element, and as shown in figure 15, is provided with the optical fibers 17c as the 4th light element in the inside of photographic head adapter 90.Optical fibers 17d forms by photographic head adapter 90 with optical fibers 17c and is connected the structure that is communicated with operating portion 2A, utilize this structure, the irradiates light that provides from endoscopic system control device 30 is by the lens 92 of photographic head adapter 90, shines subject inside from the leading section of rigid mirror 3B.

And electric wire unit 2A forms internal structure shown in Figure 16.Electric wire unit 2A is different with the operating portion 2 of the 1B of endoscope shown in Figure 12, does not have trace ball 8, endoscope's switches set 9 and antenna 12.Therefore, electric wire unit 2A does not have in order to detect trace ball 8 by non-displacement or have or not and be pressed and endoscope's switches set 9 has or not and is pressed and control circuit 10 and the pick off 14a and the 14b of needs.And, because electric wire unit 2A does not have control circuit 10, so transmission circuit 11a and 11b directly are connected on the image pickup signal modulation portion 15.In addition, about the part outside aforementioned, electric wire unit 2A has identical structure etc. with operating portion 2.That is, electric wire unit 2A has and can send the structure that receives electric power signal, control signal etc. with the relative photographic head adapter 90 of contactless mode, and has the size shape that can be connected on the photographic head adapter 90 with freely loading and unloading.

And as shown in figure 17, electric wire unit 2A makes dispatch coil 13a be connected on the power supply terminal 102 respectively in inside, and dispatch coil 13b is connected on signal terminal 100 and 101. Signal terminal 100 and 101 and power supply terminal 102 be connected on transmission circuit 11a and the 11b.

The 1B of endoscope of present embodiment has the structure that the part that is connected on the camera unit 90 can be received and dispatched electric power signal, control signal etc. in the contactless mode, as long as have the size shape that can connect camera unit 90, just can freely carry out the loading and unloading of operating portion 2 and camera unit 90, and irrelevant with the type of operating portion 2 etc.And, as long as have the size shape that can be connected on the camera unit 90, just can freely carry out the loading and unloading of camera unit 90 and rigid mirror 3B, and irrelevant with the type of rigid mirror 3B etc.As a result, can use common camera unit 90 to connect various operating portions 2 and rigid mirror 3B, can be shared flexible mirror system with described structure and described size shape.

(the 3rd embodiment)

Figure 18～Figure 27 relates to the 3rd embodiment of the present invention.Figure 18 is the structure chart of structure of the endoscope of expression the 3rd embodiment.Figure 19 is the figure that is used to illustrate the structure of operating portion shown in Figure 180.Figure 20 is the figure that is used to illustrate the structure of insertion section shown in Figure 180.Figure 21 is the block diagram of piece electrical structure of the endoscope of expression Figure 18.Figure 22 is the block diagram that expression is located at the internal structure of the image unit on the insertion section of Figure 21.Figure 23 is the block diagram that expression is located at the internal structure of the lighting unit on the insertion section of Figure 21.Figure 24 is the block diagram that expression is located at the internal structure of the sensing unit on the insertion section of Figure 21.Figure 25 is the block diagram that expression is located at the internal structure of the motion control unit on the insertion section of Figure 21.Figure 26 is the block diagram that expression is located at the internal structure of the power supply generating unit on the insertion section among Figure 21.Figure 27 is the structure chart of the 1st variation that is used to illustrate the endoscope of the 3rd embodiment.In addition, to having the part with the 1st embodiment and the 2nd embodiment same structure, omission specifies.And,, use same-sign and omit explanation the element identical with the 2nd embodiment with the 1st embodiment.

As shown in figure 18, the endoscope 201 of present embodiment is made of operating portion 202, insertion section 203 and pipe unit 204.Described operating portion 202 has the 202A of adapter portion in the bottom, in the 202A of this adapter portion, as shown in figure 19, bulb stopper 202a is located on the inner peripheral surface of the described adapter 202A of portion.

And, on the outer peripheral face of described insertion section 203, be provided with all groove 203a as shown in figure 20.Described bulb stopper 202a and described all groove 203a form the structure of engaging each other.Therefore, utilize this structure, realize the structure that makes described operating portion 202 and described insertion section 203 freely load and unload and freely to rotate.

The 204A of adapter portion that on the 203B of adapter portion of described insertion section 203, can freely connect described pipe unit 204 with loading and unloading.Inside at this pipe unit 204 is provided with: be used for providing the power line 205c that drives with power supply to insertion section 203 and operating portion 202; Carry out the holding wire 205d of the signal transmission of imaging apparatus control signal and drive system control signal etc.; Supply gas, send the various pipeline 205e of water etc.

And, be provided with endoscope's adapter 205 at the leading section of described pipe unit 204, on this endoscope's adapter 205, be provided with power supply usefulness terminal 205a that is electrically connected with described power line 205c and the signal terminal 205b that is electrically connected with described holding wire 205d.

Described endoscope adapter 205 is connected at least a portion for example to have on light supply apparatus structure, not shown identical with endoscopic system control device shown in Figure 4 30.The described power supply that passes through the described endoscope adapter 205 that connected as the not shown light supply apparatus of power supply is with terminal 205a and holding wire 205c, and the electric power signal based on the electric power that uses in the driving of the each several part of endoscope 201 is provided.And, carry out the signal transmitting and receiving of imaging apparatus control signal and drive system control signal etc. with terminal 205b by described signal as the not shown light supply apparatus of power supply.

Described operating portion 202 has main part 202B, is provided with the handle part 202C with outstanding hook on the part of this main part 202B.And, near the outer surface the described handle part 202C of described main part 202B, be provided with trace ball 206 and endoscope's switches set 207.

Described trace ball 206 forms spherical, by being rotated or push by operative doctor, can set various operations of change etc. etc.Described endoscope switches set 207 for example has the 1st switch 207a of endoscope, the 2nd switch 207b of endoscope and the 3rd switch 207c of endoscope.Switch 207a～the 207c of these the 1st～the 3rd endoscopies can supply gas, send various operations such as water by being pushed by operative doctor etc.

And, as Figure 18 and shown in Figure 19, described operating portion 202 has control circuit 208 as control unit, transmitting-receiving/control circuit 209 (209A, 209B), frequency modulation(PFM)/power supply generating unit 210, antenna 211, dispatch coil 212 (212a～212c) and pick off 206a, 206b in inside.

As shown in figure 18, described insertion section 203 in the past end side rise have bending section 218 successively, flexible pipe portion 219.

And as Figure 18 and shown in Figure 20, described insertion section 203 has in inside: the various pipeline 203b with multiple pipeline; Dispatch coil 213 (213a～213c); Transmitting-receiving/control circuit 214 (214A, 214B) as driving control unit; Various holding wire 214a～214c; Frequency modulation(PFM)/power supply generating unit 215; Dispatch coil 216a, 217a; Angle parts 218A; Imaging apparatus 220; Illumination component 221; With the detection tabs 222 of leaking.

In addition, described imaging apparatus 220 for example uses CCD and the CMOS (Complementary Metal Oxide Semiconductor) as the electric charge imaging apparatus.And described illumination component 221 for example uses LED etc.

Described various pipeline 203b forms when pipe unit 204 is connected on the insertion section 203, the structure that is communicated with the various pipeline 205e of the inside of being located at described pipe unit 204 by connecting portion 203C, utilize this structure, can be to the subject inside water etc. of supplying gas.

In described operating portion 202, described control circuit 208 is according to shown in Figure 19, the content that receives the operation that operative doctors carry out from the pick off 206a, the 206b that are connected with described trace ball 206 and endoscope's switches set 207 is as signal, and the state according to this signal transmits control signal to each several part.This control circuit 208 is connected with described antenna 211, carries out the transmitting-receiving of control signal by this antenna 211 to the endoscopic system control device (not shown) of the various controls of carrying out this endoscope 201.

And described control circuit 208 is connected on transmitting-receiving/control circuit 209 (209A, 209B).When described control circuit 208 is connected on the operating portion 220 in insertion section 203,, provide control signal, and send to the dispatch coil of being located on the insertion section 203 213 to described dispatch coil 212 by described transmitting-receiving/control circuit 209 (209A, 209B).

And, when described control circuit 208 is connected on the operating portion 220 in insertion section 203, by dispatch coil 212 and transmitting-receiving/control circuit 209 (209A, 209B), receive comprise that dispatch coil on the described insertion section 203 is 213 that send from being located at, the composite signal of electric power signal described later, status signal, image pickup signal (picture signal) and control signal.

And described control circuit 208 offers frequency modulation(PFM)/power supply generating unit 210 to the described composite signal that is received.This frequency modulation(PFM)/power supply generating unit 210 is carried out the frequency separation processing from described composite signal, to obtain original electric power signal, status signal, image pickup signal and control signal, electric power signal is offered power supply generating unit 240 described later.And described control circuit 208 offers status signal demodulation section 239 described later to status signal, and described image pickup signal and control signal are offered RFDC described later portion 243.This RFDC portion 243 sends described image pickup signal and described control signal by described antenna 211 to not shown endoscopic system control device.

Described dispatch coil 212 as signal transmitting and receiving portion has three dispatch coil 212a～212c as shown in figure 19.And, because the section configuration of described dispatch coil 212 constitutes circle, so when being connected on the operating portion 202 in insertion section 203, can be by electromagnetic induction and the (213a～213c) transmitting-receiving of the various signals of (with reference to Figure 20) realization contactless mode of the dispatch coil 213 with same structure as signal transmitting and receiving portion.The transmitted frequency of these various signals is because signal is difficult to mixing, so can distinguish difference.

In addition, in the present embodiment, for example described dispatch coil 212a, 213a among described three dispatch coil 212a～212c and three the dispatch coil 213a～213c, the signal that is assigned to control signal etc. transmits.And, because near rotating shaft and signal is transmitted influence less described dispatch coil 212c, 213c, the signal that is assigned to image pickup signal etc. transmits, and the signal that described dispatch coil 212B, 213B are assigned to the composite signal that comprises electric power signal and status signal transmits.Certainly be not limited thereto, also suitable change setting.

And, described later be located in the pipe unit 204 dispatch coil 216b, 217b also be located at described operating portion 202 on dispatch coil 212 identical, its section configuration also forms circle, so when pipe unit 204 is connected on the insertion section 203, can by electromagnetic induction be located at the transmitting-receiving that dispatch coil 216a on the insertion section 203 and 217a realize the various signals such as electric power signal described later of contactless mode.

In the present embodiment, be located at the needed electric power of driving of the each several part on operating portion 202 and the insertion section 203, be connected with described insertion section 203 by described pipe unit 204, and be provided for described insertion section 203 and described operating portion 202.

That is, from the electric power (electric power signal) of not shown light supply apparatus, the power supply by endoscope's adapter 205 offers described dispatch coil 216b with the power line 205c of terminal 205a, pipe unit 204.This dispatch coil 216b sends to electric power signal the dispatch coil 216a of described insertion section 203 in the contactless mode by electromagnetic induction.This dispatch coil 216a receives described electric power signal by electromagnetic induction in the contactless mode.

In described insertion section 203, described frequency modulation(PFM)/power supply generating unit 215 is connected on the dispatch coil 216a.When described frequency modulation(PFM)/power supply generating unit 215 is connected on the insertion section 203 at pipe unit 204, receive described electric power signal, the electric power signal that is received is offered power supply generating unit 224 described later by described dispatch coil 216a.And described frequency modulation(PFM)/215 pairs of described electric power signals of power supply generating unit carry out frequency modulation(PFM), and offer described transmitting-receiving/control circuit 214A.

The electric power signal of described transmitting-receiving/control circuit 214A after with described frequency modulation(PFM) is synthetic with the status signal, image pickup signal and the control signal that send to operating portion 202, obtain composite signal, (213a～213c) sends to the dispatch coil 212 (212a～212c) of operating portion 202 by described dispatch coil 213 this composite signal.And, when transmitting-receiving/control circuit 214A is connected on the insertion section 203 at operating portion 202, (213a～213c) receives dispatch coil 212 from the described operating portion 202 (specified signal of the control signal of 212a～212c) send etc., and the driving signal at each several part offered angle with parts 218A, imaging apparatus 220 and illumination component 221 etc. by dispatch coil 213.

And transmitting-receiving/control circuit 214B is connected on the described dispatch coil 217a.When transmitting-receiving/control circuit 214B is connected on the insertion section 203 at pipe unit 204, the image pickup signal from described frequency modulation(PFM)/power supply generating unit 215 is offered described dispatch coil 217a, and send to the dispatch coil 217b of pipe unit 204.

Described leak detect with joint 222 be located at various pipeline 203b near, have and can detect the structure that generation is leaked in arbitrary pipeline of various pipeline 203b.

Next, the internal structure about operating portion 202, insertion section 203 and the pipe unit 204 of the endoscope 201 of present embodiment describes with reference to Figure 21.

The internal structure of described operating portion 202 at first, is described.

As shown in figure 21, the control circuit 208 of being located at the inside of described operating portion 202 has trace ball displacement detecting portion 235, on off state change-detection portion 236, condition managing portion 237, state and keeps memorizer 241 and RFDC portion 243.

Described trace ball displacement detecting portion 235 has pick off 206a, 206b in inside, after detecting trace ball 206 by this pick off 206a, 206b and being rotated by operative doctor, provide to condition managing portion 237 and to detect the signal of content as regulation.

Described on off state change-detection portion 236 detect trace ball 206 by operative doctor push be pressed etc. with endoscope switches set 207 after, provide to described condition managing portion 237 and to detect the signal of content as regulation.

Described state keeps memorizer 241 for example to constitute record cell non-volatile and that can rewrite, has write down the model information, individual information of endoscope 201 etc.

Described condition managing portion 237 has not shown CPU (central arithmetic unit) etc., the each several part of described operating portion 202 and described insertion section 203 is controlled etc.

Described condition managing portion 237 offers RFDC portion 243 and control signal frequency modulation(PFM) portion 242 to the signal that is used for controlling etc. according to the signal condition of the regulation that sends from described trace ball displacement detecting portion 235 and described on off state change-detection portion 236.

And described condition managing portion 237 is by frequency separation portion 238, status signal demodulation section 239, receives the image pickup signal of the captured subject inside of image unit 231 with imaging apparatus 220.

In addition, described condition managing portion 237 receives the state of the sensing unit 233 be located on the described insertion section 203 and motion control unit 234 as status signal.And described condition managing portion 237 sends to RFDC portion 243 and control signal frequency modulation(PFM) portion 242 to the signal that is used for keeping the information content of memorizer 241 to control etc. according to the state of this signal and the state that is stored in.And RFDC portion 243 sends to antenna 211 to the control signal that receives from described condition managing portion 237.

Constitute the frequency separation portion 238 of described frequency modulation(PFM)/power supply generating unit 210, carrying out frequency separation from the composite signal that receives by described dispatch coil 212 handles, to obtain original electric power signal, status signal, image pickup signal and control signal, electric power signal is offered power supply generating unit 240, status signal, image pickup signal and control signal are offered status signal demodulation section 239.

The 239 pairs of status signals that received of status signal demodulation section that constitute described transmitting-receiving/control circuit 209 carry out demodulation, and the status signal after the demodulation is offered condition managing portion 237.And, when described status signal demodulation section 239 contains image pickup signal and control signal in described composite signal, carry out the demodulation of separating the mediation control signal of image pickup signal, image pickup signal after the demodulation and the control signal after the demodulation are offered condition managing portion 237.

Described power supply generating unit 240 is converted to direct current power to the electric power signal that is provided, and provides electric power to the each several part of operating portion 202.Concrete structure will be narrated in the back.

The 242 pairs of control signals that provide from condition managing portion 237 of control signal frequency modulation(PFM) portion that constitute described transmitting-receiving/control circuit 209 are modulated, and the control signal after the modulation is offered dispatch coil 212, and send to the dispatch coil 213 of insertion section 203.

Below, the internal structure of described insertion section 203 is described.

Frequency modulation(PFM)/power supply generating unit 215 of being located in the described insertion section 203 has source current frequency modulation(PFM) portion 223 and power supply generating unit 224.

223 electric power signals that receive by described dispatch coil 216a of described source current frequency modulation(PFM) portion offer described power supply generating unit 224, simultaneously for described electric power signal being sent to described operating portion 202, and electric power signal is modulated, the electric power signal after the modulation is offered frequency synthesis portion 225.

Described power supply generating unit 224 is converted to direct current power to the electric power signal that provides by source current frequency modulation(PFM) portion 223, and the each several part to insertion section 203 provides electric power.

226 pairs of control signals that provide from the synthetic portion 229 of status signal described later of described status signal frequency modulation(PFM) portion are modulated, and the control signal after modulating is offered described frequency synthesis portion 225.

Constitute the described frequency synthesis portion 225 of transmitting-receiving/control circuit 214A, to synthesizing processing from the electric power signal after the modulation of described source current frequency modulation(PFM) portion 223 with from the control signal after the modulation of described status signal frequency modulation(PFM) portion 226, obtain composite signal, this composite signal is offered described dispatch coil 213, and send to the dispatch coil 212 of described operating portion 202.

227 pairs of image pickup signals that provided by image unit 2131 described later of described image pickup signal frequency modulation(PFM) portion are modulated, and the image pickup signal after the modulation is offered described dispatch coil 217a, and send to the dispatch coil 217b of pipe unit 204.

The 228 pairs of control signals that provide from described dispatch coil 213 of control signal demodulation section that constitute transmitting-receiving/control circuit 214A are carried out demodulation, and the control signal after the demodulation is offered identity information store 230, image unit 231 and lighting unit 232.

Described identity information store 230 for example constitutes record cell non-volatile and that can rewrite, has write down model information, individual information of endoscope 201 etc.And identity information store 230 provides the signal of regulation according to the state of the control signal that is stored in the information in the identity information store 230 and provides from control signal demodulation section 228 to the synthetic portion 229 of status signal.

The signals of the described regulation that 229 pairs in the synthetic portion of described status signal sends from described identity information store 230, the status signal that sends from sensing unit 233, the status signal that sends from motion control unit 234 and the status signal that sends from image unit 231 synthesize, and the status signal after synthesizing is offered status signal frequency modulation(PFM) portion 226.And, this status signal according to noted earlier by 226 modulation of described status signal frequency modulation(PFM) portion after, and synthesize, and send to described operating portion 202 by described frequency synthesis portion 225 synthetic electric power signals.

Below, the concrete structure of image unit 231, lighting unit 232, sensing unit 233 and the motion control unit 234 of described insertion section 203 is described.

As shown in figure 22, the described image unit 231 as the shooting means has imaging apparatus (CCD) 220, CCD drive division 250, amplification control part 251 and ADC 252.

Described CCD drive division 250 control signal that provides from control signal demodulation section 228 has been provided, has promptly made a video recording after the control signal, and the shooting control signal is offered imaging apparatus 220, amplification control part 251 and ADC 252.

And CCD drive division 250 drives the each several part that has sent described shooting control signal according to the state of described shooting control signal.And, described amplification control part 251 the control signals that send from CCD drive division 250, be that amplification is adjusted signal and offered imaging apparatus 220.This imaging apparatus 220 is photographed to subject inside according to the state of described shooting control signal and described amplification adjustment signal.The image of the subject inside of being photographed is provided for ADC252.

The ADC 252 that has received the image of described subject inside is the image transitions of described subject inside a digital signal, this signal, be that image pickup signal offers described image pickup signal frequency modulation(PFM) portion 227.And it is that digital signal offers the synthetic portion 229 of status signal that described amplification control part 251 is adjusted conversion of signals to amplification.

As shown in figure 23, described lighting unit 232 has illumination component (LED) 221 and LED drive division 253.

Described LED drive division 253 control signal that provided by control signal demodulation section 228 is provided, is illumination control signal (control signal of control lightness) and the status signal that is provided by the synthetic portion 229 of described status signal, is various unitary status signals, to drive described illumination component 221 to described illumination component 221.

As shown in figure 24, described sensing unit 233 has touch sensor 254a, ADC (A/D converter) 255a, transparency pick off 254b and ADC 255b.

Contact pressure when the leading section that described touch sensor 254a obtains described insertion section 203 contacts with subject offers ADC 255a to the value of the contact pressure of being obtained.Described ADC 255a is converted to digital signal to the value of described contact pressure, the signal after the conversion, be that the contact pressure signal offers the synthetic portion 229 of status signal.

And described transparency pick off 254b accepts the reflected light of irradiates light after the subject internal reflection.And described transparency pick off 254b obtains the value of transparency according to the catoptrical intensity of being accepted, and the value of this transparency is offered described ADC 255b.

Described ADC 255b is converted to digital signal to the value of described transparency, the signal after the conversion, be that the transparency signal offers the synthetic portion 229 of status signal.

As shown in figure 25, described motion control unit 234 has: the actuator 256 and the actuator drive division 257 that are made of encoder 256a and bend actuator 256b.

Actuator drive division 257 according to the control signal that provides from control signal demodulation section 228, be the state of target position signal, bend actuator 256b is driven into the position of controlled target.

Described encoder 256a is converted to digital signal to the driving condition of described bend actuator 256b, by actuator drive division 257, this signal, be that the current position signal of bend actuator 256b offers the synthetic portion 229 of status signal.

Next, the described power supply generating unit 224 be located at respectively on described operating portion 202 and the described insertion section 203 and the concrete structure of power supply generating unit 240 are described.

As shown in figure 26, described power supply generating unit 224 has the 1st～the 3rd treatment circuit 260,261,262.The electric power signal that is transmitted is provided for described the 1st～the 3rd treatment circuit 260,261,262.

Described the 1st treatment circuit 260 has noise filter 260a and DC-DC transducer 260b.Noise contribution in the regulation zone of described noise filter 260a removal electric power signal offers described DC-DC transducer 260b then.

Described DC-DC transducer 260b is converted to direct current power to the electric power signal that is provided, and the direct current power of being changed is exported to not shown radio-circuit power supply supply line.

Described the 2nd treatment circuit 261 has noise filter 261a and DC-DC transducer 261b equally.Noise contribution in the regulation zone of described noise filter 261a removal electric power signal offers described DC-DC transducer 261b then.

Described DC-DC transducer 261b is converted to direct current power to the electric power signal that is provided, and the direct current power of being changed is exported to not shown control circuit power supply supply line.

Described the 3rd treatment circuit 262 has noise filter 262a and DC-DC transducer 262b.Noise contribution in the regulation zone of described noise filter 262a removal electric power signal offers described DC-DC transducer 262b then.

Described DC-DC transducer 262b is converted to direct current power to the electric power signal that is provided, and the direct current power of being changed is exported to not shown drive circuit power supply supply line.

And the described power supply generating unit 240 that is located on the described operating portion 202 has the structure roughly the same with the structure of aforementioned power source generating unit 224.

Like this, by each different Circuits System of operating frequency is provided with noise filter, can prevent that stop signal mixes, and stablizes the power supply of each Circuits System.

As described above, the endoscope 201 of present embodiment can freely load and unload described insertion section 203 and described operating portion 202, even and when connecting specifications to described operating portion 202 and be suitable for patient's insertion section 203 most, also can carry out driving control in described operating portion 202 sides based on the imaging apparatus of this specification etc.And described endoscope 201 can utilize described insertion section 203 to provide 204 that provide by described pipe unit, drive needed electric power to described operating portion 202 sides in the contactless mode.

Thus, do not need whole endoscopies that get all the insertion section with desired specification ready as endoscope in the past, the specification that only changes insertion section 203 can be made, and can use operating portion 202 jointly, thereby can reduce the inspection cost.

And described operating portion 202 can reduce the frequency of cleaning, thus can improve durability, with the identical reduction that can help to check cost that illustrates previously.

In addition, owing to constitute between described operating portion 202 and described insertion section 203,, can further improve cleaning so can reduce the concavo-convex etc. of encapsulation with contactless mode receiving and transmitting signal.And, do not have the situation of contact, so can stablize electrical characteristic because of deteriorations such as corrosion.

In addition, as the 1st variation of present embodiment, as shown in figure 27, also can on the described operating portion 202 of the described 201A of endoscope, connect the insertion section 203 that is provided with as the photoconduction 263 of light element.

Described insertion section 203 has lamp optical system 221A and replaces described illumination component 221.And described insertion section 203 is inserted logical photoconduction 263 and is replaced described holding wire 214b in inside.Leading section at this photoconduction 263 is connecting described lamp optical system 221A.The base end side of described photoconduction 263 and the photoconduction 263a that is communicated with described pipe unit 204 and described endoscope adapter 205 form by described pipe unit 204 and are connected the structure that is communicated with on the described insertion section 203.Utilize this structure, illumination light from not shown light supply apparatus is passed through described endoscope adapter 205, the photoconduction 263a and the photoconduction 263 of connection in pipe unit 204 and insertion section 203, offer described lamp optical system 221A, shine on the subject by lamp optical system 221A then.

(the 4th embodiment)

Figure 28～Figure 32 relates to the 4th embodiment of the present invention.Figure 28 is the figure of structure of the endoscope of expression the 4th embodiment.Figure 29 is the figure that is used to illustrate the structure of operating portion shown in Figure 28.Figure 30 is the figure that is used to illustrate the structure of insertion section shown in Figure 28.Figure 31 is the block diagram of piece electrical structure of the endoscope of expression Figure 28.Figure 32 is the structure chart of the 1st variation that is used to illustrate the endoscope of the 4th embodiment.In addition, to having the part with the 1st embodiment～the 3rd embodiment same structure, omission specifies.And, to the element that the 1st embodiment～the 3rd embodiment is identical, use same-sign and omit explanation.

The power supply method of the 201B of endoscope of present embodiment is different with the endoscope 201 of aforementioned the 3rd embodiment.

As shown in figure 28, the 201B of endoscope of present embodiment has operating portion 202, insertion section 203 and pipe unit 204.Described operating portion 202 constitutes with described the 3rd embodiment roughly the same, but near the 202A of adapter portion of main part 202B, has the 202D of adapter portion that can freely load and unload as the battery unit 264 of power subsystem.

And described insertion section 203 constitutes with described the 3rd embodiment roughly the same, but forms the structure with described frequency modulation(PFM)/power supply generating unit 215.This insertion section 203 be provided with attract pipeline 203c, auxiliary flow pipe road 203d, supply gas/flow pipe road 203e, pliers pipeline 203f, and can be freely with loading and unloading connection have the pipe unit 204 of the various pipeline 205es corresponding with the pipeline quantity of these various pipeline 203c～203e.

Described battery unit 264 has the structure that can send electric power signal in the contactless mode to described operating portion 202.Described battery unit 264 has as the battery 265, frequency modulation(PFM) portion 266 and the dispatch coil 267a that drive with power supply as Figure 28 and shown in Figure 29.

Described battery 265 provides electric power signal to frequency modulation(PFM) portion 266.266 pairs of electric power signals of described frequency modulation(PFM) portion are modulated, and the electric power signal after will modulating offers described dispatch coil 267a, so that this electric power signal that provides is sent to described operating portion 202.

Described dispatch coil 267a as the electric power signal transmitting element passes through electromagnetic induction, electric power signal is sent to the dispatch coil 267b that is located on the described operating portion 202 in the contactless mode.This dispatch coil 267b receives described electric power signal by electromagnetic induction in the contactless mode.

Described dispatch coil 267b offers described frequency modulation(PFM) portion/power supply generating unit 210 to the electric power signal that is received.

When described control circuit 208 is connected on the operating portion 202 in insertion section 203, by described transmitting-receiving/control circuit 209 (209A, 209B), offering described dispatch coil 212, and send to the dispatch coil of being located on the insertion section 203 213 from the described frequency modulation(PFM) portion/electric power signal of power supply generating unit 210 and the composite signal of control signal.

And, when described control circuit 208 is connected on the operating portion 202 in insertion section 203, by dispatch coil 212, transmitting-receiving/control circuit 209 (209A, 209B), receive the status signal and the image pickup signal that send from the dispatch coil of being located on the described insertion section 203 213.

As shown in figure 29, described dispatch coil 212 does not need to send electric power signal as described the 3rd embodiment, so have two dispatch coil 212a, 212c, when being connected on the operating portion 202, can carry out the transmitting-receiving of various signals with contactless mode and dispatch coil 213 (213a, 213c) (with reference to Figure 30) by electromagnetic induction with same structure in insertion section 203.

And, described insertion section 203 be connected with described pipe unit 204 near be provided with pliers plug 268.The forceps channel 268a of opening is communicated with described pliers pipeline 203f by opening this pliers plug 268.Thus, insert preparation implements such as logical pliers by described forceps channel 268a, thereby can handle.

Below, the internal structure of operating portion 202, insertion section 203 and the battery unit 264 of the endoscope 201 of present embodiment is described with reference to Figure 31.In addition, the element identical with described the 3rd embodiment omitted explanation, different piece only is described.

Described battery unit 264 is on being connected described operating portion 202 time, via the electric power signal after 266 modulation of described frequency modulation(PFM) portion, sends to the described dispatch coil 267b of described operating portion 202 in the contactless mode by described dispatch coil 267a.

Described dispatch coil 267b offers described frequency modulation(PFM) portion/power supply generating unit 210 to the electric power signal that is received.

Constitute the source current frequency modulation(PFM) 242b of portion of described frequency modulation(PFM) portion/power supply generating unit 210, the electric power signal that receives by described dispatch coil 267b is offered power supply generating unit 240, simultaneously electric power signal is modulated, electric power signal after the modulation is offered frequency synthesis portion 269, so that described electric power signal is sent to described insertion section 203.

Described power supply generating unit 240 is identical with described the 3rd embodiment, and the electric power signal that provides by the source current frequency modulation(PFM) 242b of portion is converted to direct current power, and the each several part to insertion section 203 provides electric power.

The control circuit 208 of being located at described operating portion 202 inside also adds image storage 259.Described image storage 259 can be write down the image pickup signal of the subject inside of image unit 231 shootings with imaging apparatus 220A.

The each several part of 252 pairs of operating portions 202 of condition managing portion and insertion section 203 is controlled etc.Described condition managing portion 252 offers RFDC portion 243 and the control signal frequency modulation(PFM) 242a of portion to the signal that is used for controlling etc. according to the signal condition of the regulation that provides from trace ball displacement detecting portion 235 and on off state change-detection portion 236.

And described condition managing portion 252 is by image pickup signal frequency demodulation 239b of portion and described image storage 259, receives the image pickup signal of the subject inside that image unit 231 with imaging apparatus 220A takes.

In addition, described condition managing portion 252 receives the state of the sensing unit 233 be located in the insertion section 203 and motion control unit 234 as status signal.And described condition managing portion 252 offers RFDC portion 243 and the control signal frequency modulation(PFM) 242a of portion to the signal that is used for keeping the information content of memorizer 241 to control etc. according to the state of this signal and the state that is stored in.And RFDC portion 243 sends to antenna 211 the control signal that receives from condition managing portion 252 with from the image pickup signal of described image storage.

The status signal demodulation section 239a that constitutes described transmitting-receiving/control circuit 209 carries out demodulation to the status signal that is received, and the status signal after the demodulation is offered condition managing portion 252.

And the image pickup signal frequency demodulation 239d of portion that constitutes described transmitting-receiving/control circuit 209 carries out demodulation to the image pickup signal that is received, and the image pickup signal after the demodulation is offered described image storage 259.

242 pairs in the control signal frequency modulation(PFM) portion that constitutes described transmitting-receiving/control circuit 209 modulates from the control signals that condition managing portion 252 sends, and the control signal after modulating is offered described frequency synthesis portion 269.

And 269 pairs in described frequency synthesis portion sends to the electric power signal of operating portion 202 and the control signal after the described modulation is synthesized from described battery 265, and the signal this after synthetic sends to insertion section 203 by described dispatch coil 212.

In described insertion section 203, constitute the status signal frequency modulation(PFM) portion 226 of transmitting-receiving/control circuit 214A, the control signal that sends from the synthetic portion 229 of described status signal is modulated, the control signal after the modulation is sent to the status signal frequency demodulation 239a of portion.

And the 227 pairs of image pickup signals that send from described image unit 231 of image pickup signal frequency modulation(PFM) portion that constitute transmitting-receiving/control circuit 214A are modulated, and the image pickup signal after the modulation is sent to the described image pickup signal frequency demodulation 239b of portion.

The 228 pairs of control signals that provide from the 238a of frequency separation portion of control signal demodulation section that constitute transmitting-receiving/control circuit 214A are carried out demodulation, and the control signal after the demodulation is offered identity information store 230, image unit 231 and lighting unit 232.And the described frequency separation 238a of portion is separated into electric power signal and control signal to the signal that sends from frequency synthesis portion 269, provides described control signal to control signal demodulation section 228, and, provide described electric power signal to power supply generating unit 223.In addition, other structures are identical with described the 3rd embodiment.

As described above, according to present embodiment, except that can obtaining the effect identical with described the 3rd embodiment, by being constituted, can on described operating portion 202, freely load and unload battery unit 264, can provide electric power from the described insertion section 203 of described operating portion 202 side direction, so can reduce the number of components of described insertion section 203 and described pipe unit 204.Thus, help to check the reduction of cost.

In addition, as the 1st variation of present embodiment, shown in figure 32, also can on the operating portion 202 of the 201C of endoscope, connect surgery with flexible mirror 203A1.Described surgery constitutes external diameter less than insertion section 203 with flexible mirror 203A1, and has the various pipeline 203p that pipeline quantity is less than the various pipeline 203b of insertion section 203.In addition, about the part outside aforementioned, surgery has identical structure etc. with flexible mirror 203A1 with insertion section 203.That is, described surgery has with flexible mirror 203A1 can receive and dispatch the structure of electric power signal, control signal etc. in the contactless mode, and has the size shape on the 202A of adapter portion that can be connected operating portion 202.

And described surgery can freely load and unload ground connection tube unit 204A with flexible mirror 203A1, and this pipe unit 204A has the various pipeline 205es corresponding with the pipeline quantity of various pipeline 203p.And, being provided with endoscope's adapter 205 at the leading section of described pipe unit 204A, it forms the structure that can freely load and unload with not shown endoscopic system control device.

(the 5th embodiment)

Figure 33～Figure 37 relates to the 5th embodiment of the present invention.Figure 33 is the structure chart of structure of the endoscope of expression the 5th embodiment.Figure 34 is the structure chart of structure that is used to illustrate the photographic head adapter of endoscope.Figure 35 is the figure that is used to illustrate the structure of operating portion shown in Figure 33.Figure 36 is the figure that is used to illustrate the structure of photographic head adapter shown in Figure 33.Figure 37 is the block diagram of piece electrical structure of the endoscope of expression Figure 34.In addition, to having the part with the 1st embodiment～the 4th embodiment same structure, omission specifies.And, to the element that the 1st embodiment～the 4th embodiment is identical, use same-sign and omit explanation.

As shown in figure 33, the 201D of endoscope of present embodiment is by operating portion 202, constitute as the photographic head adapter 270 of connection adaptor with as the rigid mirror 280 of insertion section.

Described operating portion 202 is as shown in figure 35 and the identical structure of described the 4th embodiment, has identical element.

As shown in figure 33, described photographic head adapter 270 is provided with all groove 270a.The bulb stopper 202a of described operating portion 202 forms the structure that can engage each other with described all groove 270a, utilizes this structure, realizes the structure that makes described operating portion 202 and described photographic head adapter 270 freely load and unload and freely to rotate.

And as Figure 33 and shown in Figure 34, described photographic head adapter 270 has inner peripheral surface and is provided with two 273A of adapter portion, 273B as the bulb stopper 202a of fixed part.Described rigid mirror 280 constitutes base end part and is divided into two strands pipeline shape.And, be located at the bulb stopper 202a on the described adapter 273A of portion, the 273B and the base end part of described rigid mirror 280 respectively and form the structure that can engage each other.Therefore, utilize described structure, as shown in figure 34, realize the structure that described photographic head adapter 270 and described rigid mirror 280 can freely be loaded and unloaded.

As Figure 34 and shown in Figure 36, described photographic head adapter 270 has dispatch coil 213 (213a, 213c), transmitting-receiving/control circuit 214 (214A, 214B), imaging apparatus 220, illumination component 221A, lens 271 and two bell glasss 272 in inside.

Described lens 271 be located at make subject inside image on the position of imaging on the imaging apparatus 220.

And described bell glass 272 is used to protect described lens 271, be located on the bearing surface of the described adapter 273A of portion, and near the position of the base end part that connects rigid mirror 280.Another bell glass 272 is used to protect described illumination component 221A, is located on the bearing surface of the described adapter 273B of portion, and near the position of the base end part that connects rigid mirror 280.

Described dispatch coil 213 (213a, 213c) is identical with described the 4th embodiment, because its section configuration constitutes circle, so when described photographic head adapter 270 is connected on the operating portion 202, can realize the transmitting-receiving of the various signals of contactless mode by electromagnetic induction and dispatch coil 212 (212a, 212c) with same structure.

In addition, the each several part of being located on described operating portion 202 and the described photographic head adapter 270 drives needed electric power, identical with described the 4th embodiment, as in described battery unit 264, being offered described operating portion 202 and described photographic head adapter 270 by the electric power signal of signalling.

Promptly, the electric power signal that sends from described battery unit 264, as shown in figure 35, send to dispatch coil 267b from dispatch coil 267a in the contactless mode after, identical with described the 2nd embodiment, offer dispatch coil 212 by frequency modulation(PFM) portion/power supply generating unit 10.This dispatch coil 212 sends to electric power signal in the contactless mode dispatch coil 213 of photographic head adapter 270 by electromagnetic induction.And this dispatch coil 213 receives described electric power signal by electromagnetic induction in the contactless mode.

As shown in figure 37, the internal structure of the 201D of endoscope of present embodiment is roughly the same with the structure that illustrates in described the 4th embodiment, described photographic head adapter 270 is set replaces described insertion section 203.During this situation, because described photographic head adapter 270 has been installed described rigid mirror 280, so do not have sensing unit shown in Figure 31 233, motion control unit 234.

The effect of the 201D of endoscope of present embodiment and the 201B of endoscope of described the 4th embodiment are roughly the same.

Therefore, according to present embodiment, except can obtaining the effect identical with described the 4th embodiment, the rigid mirror 280 that particularly uses in operating room also can be connected on the described operating portion 202, simultaneously can utilize battery unit 264 that electric power is provided, so can save a plurality of connection electric wires that were connected on the rigid mirror in the past.Thus, the operability of endoscope can be improved, and also the inspection cost can be reduced.

And the described 201D of endoscope does not need to connect electric wire, can use with wireless mode, so when a plurality of 201D of endoscope was set, the network that can carry out LAN etc. in hospital or in the operating room connected, and can undergo surgery more effectively.

The invention is not restricted to aforementioned the 1st～the 5th embodiment and variation, can in the scope that does not change aim of the present invention, carry out various changes, modification etc.

Claims (40)

1. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

Can be connected the insertion section on the described operating portion with freely loading and unloading;

Be located at the 1st signal transmitting and receiving portion on the described operating portion; And

Be located at the 2nd signal transmitting and receiving portion on the described insertion section,

Under described operating portion and situation that described insertion section is connected, described the 1st signal transmitting and receiving portion and the 2nd signal transmitting and receiving portion dispose with leaving.

2. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

Be located at the operating portion side holding section on the described operating portion;

Be used for making at least the insertion section of the function action of endoscope;

Be located on the described insertion section, have the side holding section, insertion section of the structure that can on described operating portion side holding section, freely load and unload;

Be located at the 1st signal transmitting and receiving portion on the described operating portion; And

Be located at the 2nd signal transmitting and receiving portion on the described insertion section,

Under described operating portion side holding section and situation that side holding section, described insertion section is connected, described the 1st signal transmitting and receiving portion and the 2nd signal transmitting and receiving portion dispose with leaving.

3. endoscope according to claim 2, it is characterized in that, described operating portion side holding section has the adapter portion on the end that is formed at described operating portion and is located at protuberance on the inner peripheral surface of described adapter portion, side holding section, described insertion section has recess, and this recess is located on the outer peripheral face of described insertion section and is the structure that can engage with described protuberance.

4. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

Can be connected the insertion section on the described operating portion with freely loading and unloading;

Be located at the 1st signal transmitting and receiving portion on the described operating portion; And

Be located at the 2nd signal transmitting and receiving portion on the described insertion section,

Described the 1st signal transmitting and receiving portion and the 2nd signal transmitting and receiving portion carry out signal transmitting and receiving between described operating portion and the described insertion section in the contactless mode under described operating portion and situation that described insertion section is connected.

5. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

Be located at the operating portion side holding section on the described operating portion;

Be used for making at least the insertion section of the function action of endoscope;

Be located on the described insertion section, have the side holding section, insertion section of the structure that can on described operating portion side holding section, freely load and unload;

Be located at the 1st signal transmitting and receiving portion on the described operating portion; And

Be located at the 2nd signal transmitting and receiving portion on the described insertion section,

Described the 1st signal transmitting and receiving portion and the 2nd signal transmitting and receiving portion carry out signal transmitting and receiving between described operating portion and the described insertion section in the contactless mode under described operating portion side holding section and situation that side holding section, described insertion section is connected.

6. endoscope according to claim 5, it is characterized in that, described operating portion side holding section has the adapter portion on the end that is formed at described operating portion and is located at protuberance on the inner peripheral surface of described adapter portion, side holding section, described insertion section has recess, and this recess is located on the outer peripheral face of described insertion section and is the structure that can engage with described protuberance.

7. endoscope according to claim 1 is characterized in that, described insertion section also has the electric power generation unit that is created on the electric power that uses in the described insertion section,

Described the 1st signal transmitting and receiving portion sends to described the 2nd signal transmitting and receiving portion to the electric power signal based on described electric power, and described the 2nd signal transmitting and receiving portion sends to described electric power generation unit to the described electric power signal that is received.

8. endoscope according to claim 1 is characterized in that, described operating portion and described insertion section have the 1st light element and the 2nd light element respectively in inside,

Under described insertion section was connected situation on the described operating portion, described the 1st light element and described the 2nd light element were communicated with.

9. endoscope according to claim 1, it is characterized in that, described insertion section also has image unit and is used to control the driving control unit of described image unit, and described operating portion has the control unit that is used for according to the described driving control unit of exporting from described driving control unit of signal controlling.

10. endoscope according to claim 9, it is characterized in that, this endoscope also has pipe unit, and this pipe unit is provided with when it is connected on the described insertion section and the pipeline of a plurality of pipeline connections in the described insertion section and be connected holding wire on the described driving control unit.

11. endoscope according to claim 10, it is characterized in that, described pipe unit sends to described driving control unit to the electric power signal from power supply by described holding wire, and described driving control unit sends to described control unit to the described electric power signal that is received by described signal transmitting and receiving portion.

12. endoscope according to claim 9, it is characterized in that, described operating portion also has the power subsystem that can be formed on the described operating portion with freely loading and unloading, described power subsystem is by sending the electric power signal transmitting element of electric power signal in the contactless mode between described operating portion and described power subsystem, send described electric power signal to described control unit, described control unit sends to described driving control unit to the described electric power signal that is received by described signal transmitting and receiving unit.

13. endoscope according to claim 10, it is characterized in that, described operating portion also has the power subsystem that can be formed on the described operating portion with freely loading and unloading, described power subsystem is by sending the electric power signal transmitting element of electric power signal in the contactless mode between described operating portion and described power subsystem, send described electric power signal to described control unit, described control unit sends to described driving control unit to the described electric power signal that is received by described signal transmitting and receiving unit.

14. endoscope according to claim 4 is characterized in that, described insertion section also has the electric power generation unit that is created on the electric power that uses in the described insertion section,

Described the 1st signal transmitting and receiving portion sends to described the 2nd signal transmitting and receiving portion to the electric power signal based on described electric power, and described the 2nd signal transmitting and receiving portion sends to described electric power generation unit to the described electric power signal that is received.

15. endoscope according to claim 4 is characterized in that, described operating portion and described insertion section have the 1st light element and the 2nd light element respectively in inside,

Under described insertion section was connected situation on the described operating portion, described the 1st light element and described the 2nd light element were communicated with.

16. endoscope according to claim 4, it is characterized in that, described insertion section also has image unit and is used to control the driving control unit of described image unit, and described operating portion has the control unit that is used for according to the described driving control unit of exporting from described driving control unit of signal controlling.

17. endoscope according to claim 16, it is characterized in that, this endoscope also has pipe unit, and this pipe unit is provided with when it is connected on the described insertion section and the pipeline of a plurality of pipeline connections in the described insertion section and be connected holding wire on the described driving control unit.

18. endoscope according to claim 17, it is characterized in that, described pipe unit sends to described driving control unit to the electric power signal from power supply by described holding wire, and described driving control unit sends to described control unit to the described electric power signal that is received by described signal transmitting and receiving portion.

19. endoscope according to claim 16, it is characterized in that, described operating portion also has the power subsystem that can be formed on the described operating portion with freely loading and unloading, described power subsystem is by sending the electric power signal transmitting element of electric power signal in the contactless mode between described operating portion and described power subsystem, send described electric power signal to described control unit, described control unit sends to described driving control unit to the described electric power signal that is received by described signal transmitting and receiving unit.

20. endoscope according to claim 17, it is characterized in that, described operating portion also has the power subsystem that can be formed on the described operating portion with freely loading and unloading, described power subsystem is by sending the electric power signal transmitting element of electric power signal in the contactless mode between described operating portion and described power subsystem, send described electric power signal to described control unit, described control unit sends to described driving control unit to the described electric power signal that is received by described signal transmitting and receiving unit.

21. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

The insertion section;

Can freely load and unload with described operating portion, and described insertion section is connected connection adaptor on the described operating portion;

Be located at the 1st signal transmitting and receiving portion on the described insertion section; And

Be located at the 2nd signal transmitting and receiving portion on the described connection adaptor,

Under described operating portion and situation that described connection adaptor is connected, described the 1st signal transmitting and receiving portion and the 2nd signal transmitting and receiving portion dispose with leaving.

22. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

Be located at the operating portion side holding section on the described operating portion;

The insertion section;

Can freely load and unload with described operating portion, and be used for described insertion section is connected connection adaptor on the described operating portion;

Be located on the described connection adaptor, have the connection adaptor side holding section of the structure that can on described operating portion side holding section, freely load and unload;

Be located at the 1st signal transmitting and receiving portion on the described operating portion; And

Be located at the 2nd signal transmitting and receiving portion on the described insertion section,

Under described operating portion side holding section and situation that side holding section, described insertion section is connected, described the 1st signal transmitting and receiving portion and the 2nd signal transmitting and receiving portion dispose with leaving.

23. endoscope according to claim 22, it is characterized in that, described operating portion side holding section has the adapter portion on the end that is formed at described operating portion and is located at protuberance on the inner peripheral surface of described adapter portion, described connection adaptor side holding section has recess, and this recess is located on the outer peripheral face of described connection adaptor and is the structure that can engage with described protuberance.

24. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

The insertion section;

Can freely load and unload with described operating portion, and be used for described insertion section is connected connection adaptor on the described operating portion;

Be located at the 1st signal transmitting and receiving portion on the described operating portion; And

Be located at the 2nd signal transmitting and receiving portion on the described connection adaptor,

Described the 1st signal transmitting and receiving portion and the 2nd signal transmitting and receiving portion carry out signal transmitting and receiving between described insertion section and the described connection adaptor in the contactless mode under described operating portion and situation that described connection adaptor is connected.

25. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

Be located at the operating portion side holding section on the described operating portion;

The insertion section;

Can freely load and unload with described operating portion, and be used for described insertion section is connected connection adaptor on the described operating portion;

Be located on the described connection adaptor, have the connection adaptor side holding section of the structure that can on described operating portion side holding section, freely load and unload;

Be located at the 1st signal transmitting and receiving portion on the described operating portion; And

Be located at the 2nd signal transmitting and receiving portion on the described insertion section,

Described the 1st signal transmitting and receiving portion and the 2nd signal transmitting and receiving portion carry out signal transmitting and receiving between described insertion section and the described connection adaptor in the contactless mode under described operating portion side holding section and situation that described connection adaptor side holding section is connected.

26. endoscope according to claim 25, it is characterized in that, described operating portion side holding section has the adapter portion on the end that is formed at described operating portion and is located at protuberance on the inner peripheral surface of described adapter portion, described connection adaptor side holding section has recess, and this recess is located on the outer peripheral face of described connection adaptor and is the structure that can engage with described protuberance.

27. endoscope according to claim 21 is characterized in that, described connection adaptor also has the electric power generation unit that is created on the electric power that uses in the described connection adaptor,

Described the 1st signal transmitting and receiving portion sends to described the 2nd signal transmitting and receiving portion to the electric power signal based on described electric power, and described the 2nd signal transmitting and receiving portion sends to described electric power generation unit to the described electric power signal that is received.

28. endoscope according to claim 21 is characterized in that, described operating portion and described connection adaptor have the 3rd light element and the 4th light element respectively in inside,

Under described connection adaptor was connected situation on the described operating portion, described the 3rd light element and described the 4th light element were communicated with.

29. endoscope according to claim 21, it is characterized in that, described connection adaptor also has image unit and is used to control the driving control unit of described image unit, and described operating portion has the control unit that is used for according to the described driving control unit of exporting from described driving control unit of signal controlling.

30. endoscope according to claim 29, it is characterized in that, described operating portion also has the power subsystem that can be formed on the described operating portion with freely loading and unloading, described power subsystem is by sending the electric power signal transmitting element of electric power signal in the contactless mode between described operating portion and described power subsystem, send described electric power signal to described control unit, described control unit sends to described driving control unit to the described electric power signal that is received by described signal transmitting and receiving unit.

31. endoscope according to claim 24 is characterized in that, described connection adaptor also has the electric power generation unit that is created on the electric power that uses in the described connection adaptor,

Described the 1st signal transmitting and receiving portion sends to described the 2nd signal transmitting and receiving portion to the electric power signal based on described electric power, and described the 2nd signal transmitting and receiving portion sends to described electric power generation unit to the described electric power signal that is received.

32. endoscope according to claim 24 is characterized in that, described operating portion and described connection adaptor have the 3rd light element and the 4th light element respectively in inside,

Under described connection adaptor was connected situation on the described operating portion, described the 3rd light element and described the 4th light element were communicated with.

33. endoscope according to claim 24, it is characterized in that, described connection adaptor also has image unit and is used to control the driving control unit of described image unit, and described operating portion has the control unit that is used for according to the described driving control unit of exporting from described driving control unit of signal controlling.

34. endoscope according to claim 33, it is characterized in that, described operating portion also has the power subsystem that can be formed on the described operating portion with freely loading and unloading, described power subsystem is by sending the electric power signal transmitting element of electric power signal in the contactless mode between described operating portion and described power subsystem, send described electric power signal to described control unit, described control unit sends to described driving control unit to the described electric power signal that is received by described signal transmitting and receiving unit.

35. an endoscope is characterized in that, this endoscope has:

Be used for making at least the operating portion of the function action of endoscope;

Can be connected insertion section or connection adaptor on the described operating portion with freely loading and unloading;

Signal transmitting and receiving portion, it is used under described operating portion and situation that described insertion section or described connection adaptor are connected, carries out signal transmitting and receiving between described operating portion and described insertion section or the described connection adaptor by electromagnetic induction.

36. endoscope according to claim 1 is characterized in that, described signal transmitting and receiving portion is made of coil.

37. endoscope according to claim 4 is characterized in that, described signal transmitting and receiving portion is made of coil.

38. endoscope according to claim 21 is characterized in that, described signal transmitting and receiving portion is made of coil.

39. endoscope according to claim 24 is characterized in that, described signal transmitting and receiving portion is made of coil.

40. endoscope according to claim 35 is characterized in that, described signal transmitting and receiving portion is made of coil.

Images