CN104939790A - Endoscope - Google Patents
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- CN104939790A CN104939790A CN201510128110.0A CN201510128110A CN104939790A CN 104939790 A CN104939790 A CN 104939790A CN 201510128110 A CN201510128110 A CN 201510128110A CN 104939790 A CN104939790 A CN 104939790A
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Abstract
The invention provides an endoscope capable of improving operatability in assembling. When an installation sheet (69) is inserted in an installation sheet insertion slot (82), a front end part of a thick wall part (67) is embedded with a thick wall part accommodating groove (81), and a connecting cylinder (53) is positioned in a circumferential direction relative to a front end part main body (51). A front end face of the thick wall part (67) abuts against a front end face (81a) of the thick wall part accommodating groove (81), and the connecting cylinder (53) is positioned in a cylinder center direction relative to the front end part main body (51). A mounting screw (88) is in threaded engagement with a threaded hole (83) of the installation sheet insertion slot (82) via a gap (52a) of a front end cover (52) and a screw insertion hole (69a) of the installation sheet (69), and the connecting cylinder (53) is fixed to the front end part main body (51). Assembling and fixing of the connecting cylinder (53) towards the front end part main body (51) can be performed in a simple and reliable manner.
Description
Technical field
The present invention relates to a kind of endoscope of having installed the link cylinder being formed with opening in the leading section of insertion section.
Background technology
Endoscope possesses the insertion section of the flexibility inserted in the body of examinee, and this insertion section has leading section, bending section, bending section successively from front end.Leading section comprises leading section main body.Observation window, illuminating window etc. is provided with in the front end of this leading section main body.Observation window obtains the picture light in the body of examinee.Illuminating window irradiates illumination light.In the behind of observation window, be provided with the camera unit in the body of shooting examinee, this camera unit is installed on leading section main body to be connected with the state transmitting cable.In addition, the leading section of the fiber optic cables to illuminating window direct light is installed in leading section main body.
The operator being unfamiliar with the operation of endoscope makes insertion section bend with being difficult to the intestinal of applicable complicated bend, and the deep to intestinal is inserted.Therefore, propose the insertion change making insertion section and be easy to technology.Such as, the outer peripheral face of insertion section is installed the air bag of rubber that can expand, shrink, by making this airbag inflation, contraction and make the insertion transfiguration of insertion section easy.When using air bag, by being configured at the pipeline in insertion section, from being formed at the opening of outer peripheral face of insertion section to air bag air supply, thus airbag inflation, attract the air in air bag, thus air bag shrinks.Inserted by the anus of insertion section from examinee, intestinal, through S shape colon, by making airbag inflation to air bag air supply, is fixed in insertion section by the front end of insertion section thus.In this condition, pull insertion section, S shape colon is formed as substantially linear.Then, absorbing the air in air bag, after making air bag contraction, the deep of insertion section to intestinal is continued to insert.Because S shape colon is formed as substantially linear, therefore, it is possible to insertion section to be easily inserted into deep, the i.e. small intestinal etc. of intestinal.
In the endoscope described in patent documentation 1, utilize link cylinder to link leading section main body and bending section, at the outer peripheral face place of this link cylinder, air bag is installed.Link the inner peripheral surface of cylinder, be formed with the heavy section outstanding towards inner side.In link cylinder, be formed one end to link the outer peripheral face opening of cylinder and the other end to the access of heavy section opening, one end of pipeline is connected with this access.In the front of heavy section, be formed with the screw fixed part with the screw insertion hole formed towards inner side from outer peripheral face, at the base end part of leading section main body, be formed with the groove embedded for screw fixed part.Form screwed hole in the cell, via be inserted into groove screw fixed part screw insertion hole and by screw threaded engagement in screwed hole, thus by leading section main body with link cylinder fix.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2008-206692 publication
In patent documentation 1, the screw fixed part linking cylinder is formed in the substantially central portion in the cylinder heart direction linking cylinder, when screw fixed part is embedded the groove of leading section main body, need to observe the position that screw fixed part is determined in the inside linking cylinder, thus workability is poor.In addition, owing to being embedded in groove by the screw fixed part of the substantially central portion being formed in the cylinder heart direction linking cylinder, the therefore length of the axis direction of leading section main body, becomes large-scale.In addition, the groove for the screw fixed part embedding linking cylinder is formed in the base end part of leading section main body, and this groove is communicated with the inner space linking cylinder.Therefore, the air-tightness linking cylinder and leading section main body is poor.
Summary of the invention
The problem that invention will solve
The present invention makes in view of above-mentioned problem, its object is to, and provides a kind of endoscope of workability when can improve assembling.
For solving the means of problem
Endoscope of the present invention possesses; Insertion section, it has leading section, bending section and bending section successively from front end; Leading section main body, it is contained in leading section; Link cylinder; Heavy section, the cylinder heart of its front end from described link cylinder and described link cylinder is formed in the inner peripheral surface of described link cylinder abreast, and outstanding towards inner side; Installation sheet, its front end face from heavy section is given prominence to; Access, it is formed at link cylinder, and one end is to the outer peripheral face opening linking cylinder, and the other end is to heavy section opening; Pipeline; Heavy section incorporating section, it is formed at leading section main body, and under the state that link cylinder is installed on the base end part of leading section main body, described heavy section is inserted into described heavy section incorporating section, and restriction links the rotation of cylinder relative to leading section main body thus; Installation sheet insertion groove, it is formed at leading section main body, and under the state that link cylinder is installed on the base end part of leading section main body, described installation sheet is inserted into described installation sheet insertion groove; Screwed hole, it is formed in the bottom surface of installation sheet insertion groove; Screw insertion hole, it is formed at installation sheet, and is formed at position corresponding with screwed hole under the state that link cylinder is installed on the base end part of leading section main body; And mounting screw.Link the base end part that cylinder covers leading section main body, leading section main body and bending section are linked up.One end of pipeline is connected with access, and the other end inserts the inside of bending section, bending section.Mounting screw is threadedly engaged via screw insertion hole and screwed hole, and link cylinder is fixed on leading section main body.
It should be noted that, preferably, pipeline and access are to the air bag delivering fluids being installed on the outer peripheral face linking cylinder.In addition, preferably, the outer peripheral face of screwed hole the past end bodies is formed towards inner side.
Preferably, endoscope possesses: lid installation portion, and it is formed at the fore-end of leading section main body; And drive end bearing bracket, it is installed on lid installation portion, and screwed hole and installation sheet insertion groove are formed at lid installation portion.
Preferably, drive end bearing bracket is formed with the opening inserted for mounting screw.In addition, preferably, the front end face of heavy section abuts with the front end face of heavy section incorporating section, positions on cylinder heart direction relative to leading section main body to link cylinder.
Preferably, pipeline has the connection tube that is connected with access and is connected with connection tube and runs through the pipe of the inside of insertion section.In addition, preferably, the section shape orthogonal with the cylinder heart linking the inner peripheral surface of cylinder is D font, and the section shape orthogonal with axle center of the outer peripheral face of leading section main body is D font.
Invention effect
According to the present invention, on the link cylinder linking leading section main body and bending section, form the heavy section be connected with the pipeline run through in insertion section and the installation sheet being installed on leading section main body, and, form heavy section from the front end linking cylinder, installation sheet is given prominence to from the front end face of heavy section, therefore, installation sheet easily can be inserted the installation sheet insertion groove of leading section main body, link cylinder is assembled in leading section main body.In addition, as long as installation sheet is inserted installation sheet insertion groove, link cylinder is assembled in leading section main body, just the leading section of heavy section can be embedded in the heavy section incorporating section of leading section main body, the location linked in the circumference of cylinder can be carried out.In addition, for the base end side of installation sheet insertion groove, the leading section due to heavy section is embedded in the heavy section incorporating section of leading section main body, therefore, it is possible to guarantee the air-tightness linking cylinder and leading section main body.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of endoscopic system.
Fig. 2 is the piping diagram of fujinon electronic video endoscope.
Fig. 3 is the exploded perspective view that leading section main body, drive end bearing bracket and link cylinder are shown.
Fig. 4 is by the sectional view of camera unit with the line of the heavy section of link cylinder.
Fig. 5 is the axonometric chart of the leading section that insertion section is shown.
Fig. 6 is the axonometric chart that leading section main body, drive end bearing bracket and link cylinder are shown.
Fig. 7 decomposes the sectional view that leading section main body, drive end bearing bracket and link cylinder are shown.
Fig. 8 is the sectional view of the state after assembling leading section main body, drive end bearing bracket and link cylinder are shown.
Fig. 9 is the sectional view along IX-IX ray of Fig. 4.
Figure 10 is the sectional view along X-X ray of Fig. 4.
Figure 11 illustrates the outer peripheral face of leading section main body and the inner peripheral surface linking cylinder to be set to the leading section main body of the embodiment of D font and the exploded perspective view linking cylinder.
Description of reference numerals:
3 fujinon electronic video endoscopes
16 insertion sections
16a leading section
16b bending section
16c bending section
38 air bag pipelines (pipeline)
51 leading section main bodys
51a lid installation portion
52 drive end bearing brackets
52a breach (opening)
53 link cylinder
53a cylinder main body
67 heavy sections
67a leading section
67b front end face
68 access
69 installation sheets
69a screw insertion hole
73 connection tubes
74 airsac tubes (pipe)
81 heavy section accommodating grooves (heavy section incorporating section)
81a front end face
82,105 installation sheet insertion grooves
83,106 screwed holes
88 mounting screws
91 air bags
104 heavy section incorporating sections
104a heavy section storage breach
104b front end face
Detailed description of the invention
As shown in Figure 1, endoscopic system 2 possess fujinon electronic video endoscope 3, blood processor 4, light supply apparatus 5, supply gas liquid feeding device 6 and suction device 7.Liquid feeding device 6 of supplying gas has the known air supply plant (pump etc.) 11 that is built in light supply apparatus 5 and carries out transfer of gas and is arranged on the outside of light supply apparatus 5 and the liquid tank 12 of storing liquid.Fujinon electronic video endoscope 3 have the flexibility be inserted in body insertion section 16, link the manual operation unit 17 arranged and the general flexible cord 18 be connected with blood processor 4, light supply apparatus 5 with the cardinal extremity part of insertion section 16.Using rinse water as the liquid carried by liquid feeding device 6 of supplying gas, using air or carbon dioxide as the gas of conveying.
Insertion section 16 has leading section 16a, bending section 16b, bending section 16c successively from front end.Camera unit 21 (with reference to Fig. 2) in the body that leading section 16a is built-in with shooting examinee.Bending section 16b links the cardinal extremity being arranged at leading section 16a, is configured to bend freely.Bending section 16c links the cardinal extremity being arranged at bending section 16b, and has flexibility.
In the front end of general flexible cord 18, adapter 22 is installed.Adapter 22 is compound adapters, is connected to blood processor 4, light supply apparatus 5 and liquid feeding device 6 of supplying gas.Suction device 7 is connected with via connecting piece 23 at adapter 22.
Blood processor 4 is electrically connected with light supply apparatus 5, the unified action controlling endoscopic system 2.Blood processor 4 is connected with and transmits cable 26 (with reference to Fig. 3).This transmission cable 26 is connected with camera unit 21 by general flexible cord 18 and insertion section 16.Blood processor 4 is powered to fujinon electronic video endoscope 3 via transmission cable 26, controls the driving of camera unit 21.In addition, blood processor 4 obtains via transmitting the shooting signal that exports from camera unit 21 of cable 26, implements various image procossing and image data generating.The view data generated by blood processor 4 is shown in as observation image the display 28 be connected with blood processor 4 cable.
Manual operation unit 17 is provided with treatment apparatus entrance 31, liquor charging button 32 of supplying gas, attract button 33, bending operation handle 34.When operating bending operation handle 34, push-and-pull is plugged in the line in insertion section 16, makes bending section 16b direction savings flexure operation vertically and horizontally thus.Thus, the direction of leading section 16a desired by the body of examinee.
As shown in Figure 2, insertion section 16 and manual operation unit 17 inside is configured with liquor charging pipeline 36 of supplying gas, treatment apparatus runs through pipeline 37, air bag pipeline (pipeline) 38.Supply gas one end of liquor charging pipeline 36 is communicated with liquor charging nozzle 39 of supplying gas.The other end of liquor charging pipeline 36 of supplying gas branches into aspirating pipeline 36a and liquor charging pipeline 36b.Aspirating pipeline 36a is connected with the piston (not shown) of the liquor charging button 32 of supplying gas being located at manual operation unit 17 with liquor charging pipeline 36b.
On the piston of supplying gas liquor charging button 32, except aspirating pipeline 36a, liquor charging pipeline 36b, the one end being also connected with the source capsule road 41 of supplying gas be communicated with air supply plant 11 and the one end sending water supply line 42 be communicated with liquid tank 12.Air supply plant 11 is supply gas when putting aside the inspection based on fujinon electronic video endoscope 3.
When utilization supply gas liquor charging button 32 carry out supplying gas operation time, the gas produced by air supply plant 11 is carried to liquor charging nozzle 39 of supplying gas.When carrying out liquor charging operation, rinse water is carried from liquid tank 12 to liquor charging nozzle 39 of supplying gas by the pressure of the gas utilizing air supply plant 11 to produce.Liquor charging nozzle 39 of supplying gas will supply next gas, the injection of rinse water selectivity, cleaning observation window 56 via liquor charging pipeline 36 of supplying gas.
One end that treatment apparatus runs through pipeline 37 exports 46 with treatment apparatus and is communicated with, and the other end is communicated with treatment apparatus entrance 31.Treatment apparatus entrance 31 inserts, when not inserting treatment apparatus by stopper (not shown) shutoff for there being the various treatment apparatus of entry needle, radioknife etc. in front-end configuration.In addition, run through pipeline 37 branch out suction pipeline 48 from treatment apparatus, this suction pipeline 48 is connected with attracting the suction valve (not shown) of button 33.
On suction valve, be also connected with except suction pipeline 48 and attract source capsule road 49.Suction device 7 possesses the suction pump etc. as attracting source, works all the time when putting aside the inspection based on fujinon electronic video endoscope 3.When utilizing attraction button 33 to carry out attraction operation, the negative pressure utilizing suction device 7 to produce attracts, and when carrying out rupturing operation, negative pressure is cut off, and stops attracting.
As shown in Figure 3, leading section 16a has the leading section main body 51 of the metal of such as stainless steel, is fitted together to the drive end bearing bracket 52 of rubber in the front of leading section main body 51.This drive end bearing bracket 52 is formed breach (opening) 52a for inserting mounting screw 88.At the side winding line of drive end bearing bracket 52, the coated encapsulant in side of drive end bearing bracket 52 concretionary covering rubber (not shown) cover.In addition, as shown in Figure 4, link cylinder 53 is connected at the base end side of leading section main body 51.Utilize this link cylinder 53 that leading section main body 51 is linked to bending section 16b.Bending section 16b is bent rubber parts 50 and covers.
As shown in Figure 5, drive end bearing bracket 52 is provided with a pair illuminating window 55a, 55b, observation window 56, liquor charging opening 57 of supplying gas, treatment apparatus and exports 46.It should be noted that, in Figure 5, simplify and drive end bearing bracket 52 is shown.Supplying gas, liquor charging opening 57 place is provided with liquor charging nozzle 39 of supplying gas.As shown in Figure 4, the reflected light of the look-out station from examinee guides to camera unit 21 by observation window 56.
As shown in Figure 3, the front end of fiber optic cables 58a, 58b is configured with in the behind of illuminating window 55a, 55b.Illumination light from light supply apparatus 5, by the inside of insertion section 16, manual operation unit 17, general flexible cord 18 and adapter 22, guides to illuminating window 55a, 55b by fiber optic cables 58a, 58b.From the look-out station in the body of the illumination examinee of illuminating window 55a, 55b.
The supply gas front end of liquor charging pipeline 36 is installed on leading section main body 51, and liquor charging nozzle 39 (with reference to Fig. 5) is communicated with supplying gas.Equally, the front end that treatment apparatus runs through pipeline 37 is installed on leading section main body 51, exports 46 be communicated with treatment apparatus.
As shown in Figure 4, camera unit 21 is positioned at the behind of observation window 56.Camera unit 21 possess there is multiple lens 61a and lens holding cylinder 61b objective lens optical system 61, prism 62, capturing element 63, circuit substrate 64, transmit cable 26.Objective lens optical system 61 is incident to prism 62 by the subject from observation window 56 incidence as light.Prism 62 by make from objective lens optical system 61 make as luminous reflectance its bend, image in the shooting face of capturing element 63.
Capturing element 63 is such as made up of the CCD of interline transfer type, and the subject picture obtained by objective lens optical system 61 and prism 62 images in shooting face.Shooting face is provided with the cover glass 65 of rectangular plate-like.Capturing element 63 is connected with prism 62 via cover glass 65.Circuit substrate 64 is provided with capturing element 63 and the drive circuit (not shown) driving capturing element 63.Circuit substrate 64 is connected with and transmits cable 26.It should be noted that, as capturing element 63, be not limited to CCD, also can be CMOS or other area image sensors.In addition, though the diagram of omission, prism 62 is held in prism holding frame.Prism holding frame also keeps lens holding cylinder 61b.In addition, also can arrange reinforcing frame on circuit substrate 64, this reinforcing frame links prism holding frame and transmits cable 26, the wiring of the circuit substrate 64 between protection prism holding frame and transmission cable, other inner matters.
As shown in Figure 3, linking cylinder 53 is such as stainless metal, has heavy section 67, access 68, installation sheet 69 in the cylinder main body 53a of cylindrical shape.Link the outer peripheral face of cylinder 53 and implement coating, even if with make when with in the body of examinee, such as intestinal wall contact also no problem.As shown in Figure 6, the base end part that cylinder 53 covers leading section main body 51 is linked.As shown in Figure 7, heavy section 67 is formed at the inner peripheral surface of a main body 53a abreast with the cylinder heart of cylinder main body 53a, and outstanding towards inner side (with reference to Fig. 9).Heavy section 67 is formed to cardinal extremity from the front end of cylinder main body 53a.Access 68 is formed in the inside of heavy section 67.Access 68 tilts relative to the cylinder heart linking cylinder 53, and the outer peripheral face opening 68a to the outer peripheral face opening of cylinder main body 53a is communicated with the heavy section opening 68b of the cardinal extremity face opening to heavy section 67.Installation sheet 69 is set to give prominence to from the front end face 67b of the leading section 67a of heavy section 67 abreast with the cylinder heart.Installation sheet 69 is formed screw insertion hole 69a.The part of the head of the mounting screw 88 of the storage flat head screw shape in screw insertion hole 69a is formed as taper.It should be noted that, parallelly with the cylinder heart of cylinder main body 53a also comprise situation about tilting a little.
Link at the base end side of cylinder main body 53a and be provided with the diameter fixed part 53b thinner than the diameter of cylinder main body 53a.As shown in Figure 4, fixed part 53b covers the leading section of bending section 16b, and links with bending section 16b.Fixed part 53b is bent rubber parts 50 and covers.The bending leading section of rubber parts 50 and the base end part of cylinder main body 53a are fixed by binding agent 71.
Insert in access 68 and be fixed with the leading section 73a of connection tube 73.The leading section 73a of connection tube 73 is intersected in the mode tilted by bending section 73c with rearward end 73b.Make the intersecting angle of bending section 73c identical relative to the angle of inclination of the cylinder heart with access 68.The front end of the airsac tube (pipe) 74 of rubber is connected with at rearward end 73b.Utilize these connection tubes 73, airsac tube 74 forms air bag pipeline 38.The base end part of airsac tube 74 is connected with the air taking port 17a (with reference to Fig. 1) of the cardinal extremity being formed at manual operation unit 17.This air taking port 17a is connected with air-bag control device 78 (with reference to Fig. 1) via pipe 77.
As shown in Figure 3, leading section main body 51 is formed with lid installation portion 51a and the heavy section accommodating groove chimeric with the leading section 67a of heavy section 67 (heavy section incorporating section) 81.Lid installation portion 51a is formed in the fore-end of leading section main body 51.Lid installation portion 51a is formed the installation sheet insertion groove 82 inserted for installation sheet 69.Installation sheet insertion groove 82 is formed as continuous with heavy section accommodating groove 81.The groove depth of heavy section accommodating groove 81 is darker than installation sheet insertion groove 82.Therefore, between heavy section accommodating groove 81 and installation sheet insertion groove 82, form wall, this wall becomes the front end face 81a of heavy section accommodating groove 81.The bottom surface of installation sheet insertion groove 82 is formed with screwed hole 83.Screwed hole 83 is formed as the outer peripheral face of end bodies 51 in the past towards inner side.
As shown in Figure 8, the leading section 67a linking the heavy section 67 of cylinder 53 is chimeric with heavy section accommodating groove 81.Be fitted together to by this, as shown in Figure 9, link cylinder 53 and locate in the circumferential.Thus, linking cylinder 53 cannot around the axis rotation of leading section main body 51.In addition, as shown in Figure 8, the front end face 67b of heavy section 67 abuts with the front end face 81a of heavy section accommodating groove 81, links cylinder 53 thus and locates on cylinder heart direction relative to leading section main body 51.Under this positioning states, installation sheet 69 is inserted into installation sheet insertion groove 82.Under this positioning states, in the mode that the screw insertion hole 69a of installation sheet 69 is consistent with the screwed hole 83 of installation sheet insertion groove 82, form screw insertion hole 69a and screwed hole 83.Thus, due to both position consistency under positioning states, therefore, it is possible to mounting screw 88 to be threadingly engaged in the screwed hole 83 of installation sheet insertion groove 82 via the breach 52a of drive end bearing bracket 52, the screw insertion hole 69a of installation sheet 69.Be threadedly engaged by this, as shown in Figure 10, leading section main body 51 be connected and fixed and link cylinder 53.Packing material is filled in and links cylinder 53 and the fitting portion of leading section main body 51, keep air-tightness.It should be noted that, in Fig. 9 and Figure 10, simplified construction illustrates.
As mentioned above, as long as by installation sheet 69 being inserted installation sheet insertion groove 82 and cylinder main body 53a being assembled in leading section main body 51, just the leading section of heavy section 67 can be embedded in heavy section accommodating groove 81, carry out the location linked in the circumference of cylinder 53.In addition, installation sheet 69 is given prominence to from the front end face 67b of heavy section 67, under the state that heavy section 67 is embedded in heavy section accommodating groove 81, completes the para-position of installation sheet 69 and installation sheet insertion groove 82, therefore, it is possible to easily and reliably assemble.In addition, because the front end face 67b of installation sheet 69 from heavy section 67 gives prominence to, therefore, compared with installation portion being arranged on the situation of the position different with heavy section, the diameter of leading section main body 51 can be made to attenuate.In addition, leaning on the position of base end side than installation sheet 69, heavy section 67 and heavy section accommodating groove 81 are close to, and the outer peripheral face of leading section main body 51 and the inner peripheral surface of cylinder main body 53a are close to, therefore, it is possible to guarantee air-tightness.
When using fujinon electronic video endoscope, as shown in Figure 5, the air bag 91 of elastomer, such as rubber system is installed at the outer peripheral face linking cylinder 53 and bending section 16b.Air bag 91 has leading section 91a, base end part 91b and the bulge 91c of same diameter.Bulge 91c is arranged between leading section 91a and base end part 91b, and expand into drum type.Leading section 91a is fixed by rubber ring 92a and link cylinder 53, and base end part 91b is fixed by rubber ring 92b and bending section 16b.Leading section 91a is fixed on the position of side more forward than the outer peripheral face opening 68a linking cylinder 53, and base end part 91b is fixed on than the position of outer peripheral face opening 68a by base end side.Thus, the air of discharging from outer peripheral face opening 68a is fed into the inside of air bag 91.
In FIG, air-bag control device 78 is to make air bag 91 expand and shrink and supply and attract the device of fluid, such as air.Air-bag control device 78 possesses and is provided with the apparatus main body 95 of pump, sequencer etc., the hand switch 96 of Long-distance Control and air bag dedicated display 97.
Air-bag control device 78 makes it expand to air bag 91 air supply, or is that steady state value makes air bag 91 remain swelling state by air-pressure controlling.In addition, air-bag control device 78 attracts air from air bag 91 and makes it shrink, or is that steady state value makes air bag 91 remain contraction state by air-pressure controlling.
When making air bag 91 expand and shrink, air bag dedicated display 97 shows the force value of air bag 91, expansion and contraction state.It should be noted that, the force value of air bag 91, expansion and contraction state also can be shown in display 28 by double exposure on the observation image of fujinon electronic video endoscope 3.
On the front panel of the apparatus main body 95 of air-bag control device 78, be provided with on and off switch, the shutdown switch of operation, the pressure display part (not shown) etc. of air bag 91 such as when producing abnormal.Pressure display part is the panel of the force value of display air bag 91, when producing the exceptions such as air bag 91 breaks, in pressure display part display error code.In addition, the front panel of apparatus main body 95 is provided with for supplying relative to air bag 91 and attracting the pipe 77 of air.
At hand switch 96, place is provided with various switch.Such as, the shutdown switch identical with the shutdown switch being located at apparatus main body 95 side and the pressurization of pilot balloon 91 and the biased switch of decompression and relief cock etc. is provided with.This hand switch 96 is electrically connected with apparatus main body 95 via flexible cord 98.
Next, the effect of the fujinon electronic video endoscope 3 of said structure is described.After the inspection completing endoscopic system 2 prepares, camera unit 21 carries out work.And, after preparation terminates, insert in the such as intestinal of insertion section 16 from anus towards subject.Light from light supply apparatus 5 irradiates to the shooting area of camera unit 21 through illuminating window 55a, 55b of general flexible cord 18, fiber optic cables 58a, 58b in insertion section 16, leading section main body 51.From the shooting signal of the camera unit 21 in leading section main body 51 via the transmission cable 26 in insertion section 16, general flexible cord 18 and inputting to blood processor 4, be shown in display 28.
When the front end of insertion section 16 is by S shape colon, the hand switch 96 of manipulation balloon control device 78, driving device main body 95, carries air via pipe 77, air taking port 17a to air bag pipeline 38.Supplied to the inside of air bag 91 from the outer peripheral face opening 68a linking cylinder 53 by the air in air bag pipeline 38.Supplied by this air, air bag 91 expands, and intestinal is fixed in insertion section 16.In this condition, by pulling insertion section 16, S shape colon is formed as substantially linear.Then, operation hand switch 96, driving device main body 95, attracts the air in air bag 91, air bag 91 is shunk.After making air bag 91 contraction, the deep of insertion section 16 to intestinal is inserted.Because S shape colon is formed as substantially linear, therefore, it is possible to easily insertion section 16 is inserted to the deep of intestinal and small intestinal.In addition, when observing in intestinal in detail, air bag 91 is also made to expand and intestinal is fixed in insertion section 16.Thereby, it is possible to be shown in display 28 by without the image rocked.
In observation in intestinal, according to needs such as cleaning look-out station or observation window 56 etc., operate liquor charging button 32 of supplying gas.When being undertaken by liquor charging button 32 of supplying gas supplying gas operation, the gas that air supply plant 11 produces is delivered to liquor charging nozzle 39 of supplying gas.When undertaken by liquor charging button 32 of supplying gas liquor charging operation time, by air supply plant 11 produce gas pressure and rinse water is carried from liquid tank 12 to liquor charging nozzle 39 of supplying gas.Liquor charging nozzle 39 selectivity of supplying gas sprays and supplies via liquor charging pipeline 36 of supplying gas gas, the rinse water of coming.
When having found affected part in the observation of intestinal, the treatment apparatus being suitable for the disposal of this affected part is inserted the treatment apparatus entrance 31 of fujinon electronic video endoscope 3, this disposer is given prominence to from treatment apparatus outlet 46, disposes affected part.Then, after observation terminates, insertion section 16 is extracted in the body of examinee.
It should be noted that, as shown in figure 11, also the section shape orthogonal with axle center of the outer peripheral face of leading section main body 100 can be formed as D font, the section shape orthogonal with the cylinder heart of the inner peripheral surface linking cylinder 101 is formed as D font.The straight line portion linking the inner peripheral surface of cylinder 101 becomes heavy section 102, gives prominence to and be formed with installation sheet 103 from the front end face of this heavy section 102.Leading section main body 100 is formed lid installation portion 100a and heavy section incorporating section 104.Heavy section incorporating section 104 has heavy section storage breach 104a.The ratio lid installation portion 100a of leading section main body 100 leans on the part of base end side to be cut as D font.The part of this leading section main body 100 being cut as D font becomes heavy section storage breach 104a.Breach 104a and lid installation portion 100a is continuous in heavy section storage, becomes the front end face 104b of heavy section incorporating section 104 from heavy section storage breach 104a to the face that lid installation portion 100a erects.
Installation sheet insertion groove 105 is formed at the part place being formed with heavy section incorporating section 104 of the outer peripheral face of leading section main body 100.The cardinal extremity of this installation sheet insertion groove 105 the past end bodies 100 is formed to front end.Screwed hole 106 is formed in the bottom surface of installation sheet insertion groove 105.In this case, by making the outer peripheral face of D font leading section main body 100 each other engage with the inner peripheral surface linking cylinder 101, in the circumferential link cylinder 101 is positioned.In addition, by making the front end face of heavy section 102 abut with the front end face 104b of heavy section incorporating section 104, link cylinder 101 is made to locate on cylinder heart direction relative to leading section main body 100 thus.It should be noted that, also protuberance can be set in the main body of leading section, the groove chimeric with this protuberance or breach are located at link cylinder.
In the above-described embodiment, apply the present invention to fujinon electronic video endoscope, but also can be applied to ultrasonic endoscope.When ultrasonic endoscope, in the mode of the ultrasonic transducer surrounding the leading section being arranged on insertion section, air bag is installed, in air bag, fills ultrasound wave Transfer Medium, can ultrasound wave be transmitted thus.
In the above-described embodiment, air bag being installed by link cylinder, relative to air bag supply, air-out, but when from linking the outer peripheral face opening of cylinder towards in the body of examinee when jet fluid, also can apply the present invention.
In the above-described embodiment, air bag pipeline 38 has connection tube 73 and airsac tube 74, connection tube 73 is inserted into access 68, but also can not arranges connection tube and airsac tube is inserted into access 68.
In the above-described embodiment, be formed with the heavy section 67 linking cylinder 53 continuously from the front end of cylinder main body 53a to rear end, but also heavy section can be divided into the part and the part chimeric with heavy section accommodating groove 81 that form access 68.
In addition, the installation sheet of link cylinder also can be made to give prominence to from the front end face of heavy section, and be formed as L-shaped, in the scope from side surface to front end face of the lid installation portion of leading section main body, form the installation sheet insertion groove of the L-shaped inserted for installation sheet.Screwed hole the past front end of end bodies is formed along axle center, and the front of the past end bodies is carried out screw thread and fixed along axle center.
In the above-described embodiment, enumerate the fujinon electronic video endoscope using camera unit 21 image of taking the state of subject to observe as example is described, but the present invention is not limited thereto, also can be applied to and adopt optical mapping conductor to observe the endoscope of the state of subject.
Claims (10)
1. an endoscope, possesses:
Insertion section, it has leading section, bending section and bending section successively from front end;
Leading section main body, it is contained in described leading section;
Link cylinder, it covers the base end part of described leading section main body, and links described leading section main body and described bending section;
Heavy section, the cylinder heart of its front end from described link cylinder and described link cylinder is formed in the inner peripheral surface of described link cylinder abreast, and outstanding towards inner side;
Installation sheet, its front end face from described heavy section is given prominence to;
Access, it is formed at described link cylinder, and one end is to the outer peripheral face opening of described link cylinder, and the other end is to described heavy section opening;
Pipeline, its one end is connected with described access, and the other end inserts the inside of described bending section and described bending section;
Heavy section incorporating section, it is formed at described leading section main body, under the state of base end part described link cylinder being installed on described leading section main body, described heavy section is inserted into described heavy section incorporating section, limits the rotation of described link cylinder relative to described leading section main body thus;
Installation sheet insertion groove, it is formed at described leading section main body, and under the state of base end part described link cylinder being installed on described leading section main body, described installation sheet is inserted into described installation sheet insertion groove;
Screwed hole, it is formed in the bottom surface of described installation sheet insertion groove;
Screw insertion hole, it is formed at described installation sheet, and is formed at position corresponding with described screwed hole under the state that described link cylinder is installed on the base end part of described leading section main body; And
Mounting screw, it is threadedly engaged via described screw insertion hole and described screwed hole, and described link cylinder is fixed on described leading section main body.
2. endoscope according to claim 1, wherein,
Described pipeline and described access are to the air bag delivering fluids of outer peripheral face being installed on described link cylinder.
3. endoscope according to claim 1 and 2, wherein,
Described screwed hole is formed from the outer peripheral face of described leading section main body towards inner side.
4. endoscope according to claim 1 and 2, wherein,
Described endoscope possesses:
Lid installation portion, it is formed at the fore-end of described leading section main body; And
Drive end bearing bracket, it is installed on described lid installation portion,
Described screwed hole and described installation sheet insertion groove are formed at described lid installation portion.
5. endoscope according to claim 3, wherein,
Described endoscope possesses:
Lid installation portion, it is formed at the fore-end of described leading section main body; And
Drive end bearing bracket, it is installed on described lid installation portion,
Described screwed hole and described installation sheet insertion groove are formed at described lid installation portion.
6. endoscope according to claim 4, wherein,
Described drive end bearing bracket is formed the opening inserted for described mounting screw.
7. endoscope according to claim 5, wherein,
Described drive end bearing bracket is formed the opening inserted for described mounting screw.
8. endoscope according to claim 1 and 2, wherein,
The front end face of described heavy section abuts with the front end face of described heavy section incorporating section, positions on cylinder heart direction relative to described leading section main body to described link cylinder.
9. endoscope according to claim 1 and 2, wherein,
Described pipeline has the connection tube that is connected with described access and is connected with described connection tube and runs through the pipe of the inside of described insertion section.
10. endoscope according to claim 1 and 2, wherein,
The section shape orthogonal with the cylinder heart of the inner peripheral surface of described link cylinder is D font,
The section shape orthogonal with axle center of the outer peripheral face of described leading section main body is D font.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014063999A JP5992948B2 (en) | 2014-03-26 | 2014-03-26 | Endoscope |
| JP2014-063999 | 2014-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104939790A true CN104939790A (en) | 2015-09-30 |
| CN104939790B CN104939790B (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510128110.0A Active CN104939790B (en) | 2014-03-26 | 2015-03-23 | Endoscope |
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| Country | Link |
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| JP (1) | JP5992948B2 (en) |
| CN (1) | CN104939790B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109963493A (en) * | 2016-10-27 | 2019-07-02 | 奥林巴斯株式会社 | Endoscope |
| CN110381800A (en) * | 2017-03-31 | 2019-10-25 | 奥林巴斯株式会社 | The drive end bearing bracket of endoscope and molding mold for forming is carried out to it |
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| JPH07155283A (en) * | 1993-12-02 | 1995-06-20 | Olympus Optical Co Ltd | Cover-type endoscope |
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| US5454366A (en) * | 1990-11-27 | 1995-10-03 | Asashi Kogaku Kogyo Kabushiki Kaisha | Endoscope distal end with folded circuit board |
| JPH10127573A (en) * | 1996-10-30 | 1998-05-19 | Fuji Photo Optical Co Ltd | Connecting structure of tip end part of endoscope |
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| CN110381800A (en) * | 2017-03-31 | 2019-10-25 | 奥林巴斯株式会社 | The drive end bearing bracket of endoscope and molding mold for forming is carried out to it |
| CN110381800B (en) * | 2017-03-31 | 2021-11-16 | 奥林巴斯株式会社 | Front end cover of endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5992948B2 (en) | 2016-09-14 |
| JP2015181905A (en) | 2015-10-22 |
| CN104939790B (en) | 2018-03-02 |
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