CN103908305A - Ultrasonic endoscope - Google Patents
Ultrasonic endoscope Download PDFInfo
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- CN103908305A CN103908305A CN201410003337.8A CN201410003337A CN103908305A CN 103908305 A CN103908305 A CN 103908305A CN 201410003337 A CN201410003337 A CN 201410003337A CN 103908305 A CN103908305 A CN 103908305A
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- disposal apparatus
- platform
- erect
- leading section
- main body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00098—Deflecting means for inserted tools
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- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
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- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- General Health & Medical Sciences (AREA)
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- Endoscopes (AREA)
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Abstract
The present invention provides an ultrasonic endoscope which enables a leakage current to a standing table to diffuse appropriately to an earth wire when the high frequency disposal appliances are used. The standing table (60) arranged at the front end part (34) of the ultrasonic endoscope(1) and a driving mechanism are assembled into standing table components (72) integrally via a conductive part, and are accepted and kept by an accepting part formed by an insulating front end part main body (36). An angle ring (a front end ring) (250) is embedded at the frontmost end of a bending part (32) at the periphery at the base end side of the front end part main body (36), the front end ring (250) and the standing table components (72) (an assembly main body 80) are connected via a conductive screw (270) embedded in a conduction hole (220). The angle ring is connected with the earth wire, so that the leakage current leaking to the standing table (60) from the disposal appliance is discharged to the earth wire via the angle ring of the bending part (32).
Description
Technical field
The present invention relates to ultrasonic endoscope, relate in particular to the ultrasonic endoscope that possesses the disposal apparatus that the disposal apparatus of deriving from the disposal apparatus leading-out portion of the leading section of insertion section is erected and erect platform.
Background technology
In the past, in ultrasonic endoscope, known have a following structure: the leading section in the insertion section of inserting in body cavity possesses the platform of erecting, make to erect through disposing the disposal apparatus that apparatus is inserted passage and derive from the disposal apparatus leading-out portion of leading section by erecting platform, and change the derivation direction (for example,, with reference to patent documentation 1) that erects the erecting angle of platform and can adjust disposal apparatus.
According to the endoscope of patent documentation 1, be provided with and erect platform disposing on apparatus leading-out portion, erect on platform and link via rotating shaft and erect bar at this.Link operation metal wire erecting on bar, this operation metal wire by the operation of the operating portion that is connected with the base end part of insertion section by push-and-pull.
Therefore,, erect bar to rotate when push-and-pull operation metal wire when the operation by operating portion, in the time erecting bar and rotate, erect platform and rotate via rotating shaft and erect action.
[formerly technical literature]
[patent documentation]
[patent documentation 1] TOHKEMY 2005-287593 communique
[summary of invention]
[problem that invention will solve]
In recent years, used the disposal of ultrasonic endoscope to increase, and used high-frequency treatment apparatus also to increase as the situation of disposing apparatus.
On the other hand, possess like that in the ultrasonic endoscope that erects platform at patent documentation 1, as the driver part that erects platform and this and erect platform in leading section configuration, mostly use the parts that are shaped by the intensity metal material with electric conductivity (rustless steel etc.) high and easy to manufacture.
In addition, in ultrasonic endoscope, the driving voltage of the ultrasonic transducer configuring at leading section becomes high pressure.Therefore, the leading section main body of preferably component parts of leading section being accommodated to maintenance is formed by the such insulant of plastics, realizes ultrasonic transducer or the sufficient insulation from the extended distribution of ultrasonic transducer.
In such ultrasonic endoscope, in the situation that having used high-frequency treatment apparatus, may be from high-frequency treatment apparatus to the leakage current that erects platform leakage high frequency.Now, leak into the leakage current that erects platform does not flow in the driver part that erects platform and this is erected to platform is accommodated the leading section main body of insulating properties of maintenance.
Therefore, consider that the operation metal wire of electric conductivity by linking with the driver part that erects platform is connected erecting the ground wire (GND) of platform with the operating portion of endoscope, make to leak into the leakage current that erects platform by driver part and operate metal wire and become separated in flight to ground wire.
But because operation metal wire is thin, therefore conducting resistance is high, electric current is difficult to flow.Thereby, be electrically connected with the ground wire of operating portion even if make to operate metal wire, may also cannot make suitably to flow to ground wire from the leakage current of disposing apparatus.
On the other hand, in the time making to operate metal wire chap electric current is easily flowed, there is the such problem of particle sizeization that causes insertion section.
Summary of the invention
The present invention makes in view of such situation, and its object is to provide a kind of ultrasonic endoscope of suitably becoming separated in flight to ground wire to erecting leakage current that platform leaks of can making in the time of the use of high-frequency treatment apparatus etc.
[solution]
To achieve these goals, the ultrasonic endoscope of a form of the present invention possesses: in the leading section main body of the insulating properties of the front-end configuration of the insertion section of inserting in body cavity; By the ultrasonic transducer of leading section body abutment; The disposal apparatus that is arranged at leading section main body in the mode that can erect erects platform; With the base end side link of leading section main body and the tubular element of electric conductivity electrical ground; And will dispose apparatus and erect the connecting elements of the electric conductivity of platform and tubular element electrical connection.
According to a form of the present invention, dispose apparatus and erect platform via connecting elements and tubular element and ground connection, therefore, even erect platform and leaked leakage current to disposing apparatus in the time of the use of high-frequency treatment apparatus etc., this leakage current also can flow to the tubular element linking with the base end side of leading section, and (GND) flows from tubular element to ground wire.Therefore, can make to dispose the leakage current that apparatus erects platform and suitably become separated in flight to ground wire from disposing leaking into of apparatus.
In the disposal apparatus endoscope apparatus of another form of the present invention, preferably insertion section has the bending section being made up of multiple square rings (joint ring) linking with the base end side of leading section main body, and tubular element is the square ring of the front in multiple square rings.
Preferably the disposal apparatus endoscope apparatus of another form of the present invention also possesses driving mechanism portion, this driving mechanism portion erects platform by described disposal apparatus and supports as rotating, and accommodating to maintain makes described disposal apparatus erect the drive division that platform rotates, described driving mechanism portion and described disposal apparatus erect platform and conduct, and kept by described leading section main body, tubular element is connected with the base end side peripheral part of leading section main body, and connecting elements configures in the mode that is passed in the Kong Eryu driving mechanism portion that forms in leading section main body and contacts with tubular element.
In the disposal apparatus endoscope apparatus of a form more of the present invention, can be formed as following form, that is, driving mechanism portion possesses: erect the rotating shaft of platform supporting for rotating by disposing apparatus; By the driving force being transmitted by operation metal wire, and erect with disposal apparatus the bar member that platform can rotate with respect to rotating shaft integratedly; And rotating shaft is supported as rotating, and the main part that bar member is accommodated.
In the disposal apparatus endoscope apparatus of another form of the present invention, preferably connecting elements contacts with main part.
In the disposal apparatus endoscope apparatus of another form of the present invention, can be formed as following form,, main part have by dispose apparatus to dispose dispose apparatus erect platform space derive disposal apparatus inserting hole, this disposal apparatus is passed in the disposal apparatus of the internal configurations of insertion section and inserts road.
[invention effect]
According to the present invention, in the time of the use of high-frequency treatment apparatus etc., can make to erect the leakage current that platform leaks and suitably become separated in flight to ground wire to disposing apparatus.
Accompanying drawing explanation
Fig. 1 is the overall diagram that is incorporated with disposal apparatus of the present invention and erects the ultrasonic endoscope of device.
Fig. 2 is the axonometric chart that represents the outward appearance of the leading section of insertion section.
Fig. 3 is the plane graph (top view) that represents the outward appearance of the leading section of insertion section.
Fig. 4 is the axonometric chart that represents to erect platform assembly.
Fig. 5 is that 5-5 in Fig. 3 is to looking cutaway view.
Fig. 6 is the figure that erects bar of indication rod resettlement section.
Fig. 7 is the axonometric chart that represents the linking part that erects platform assembly and bending section.
Fig. 8 is that the 8-8 of Fig. 7 is to looking cutaway view.
[symbol description]
1 ... ultrasonic endoscope (endoscope), 10 ... operating portion, 12 ... insertion section, 14 ... general flexible cord, 16 ... angle knob, 18 ... erect action bars, 20 ... aspirated and water sending button, 22 ... attract button, 24 ... dispose apparatus introducing port, 30 ... flexible part, 32 ... bending section, 34 ... leading section, 36 ... leading section main body, 40 ... base portion, 42 ... extension, 44 ... observation window, 46R, 46L ... illuminating window, 48 ... aspirated and water sending nozzle, 50 ... ultrasonic transducer (ultrasonic oscillator), 58 ... dispose apparatus leading-out portion, 60 ... erect platform, 62 ... dispose apparatus and erect space, 64 ... dispose apparatus inserting hole, 66 ... dispose apparatus export mouth, 70 ... dispose apparatus and erect device, 72 ... erect platform assembly, 74 ... control cable, 76 ... erect platform operating portion, 80 ... module body, 82 ... abutment portion, 84 ... bar resettlement section, 86 ... dispose apparatus insertion portion, 90 ... rotating shaft, 92 ... filler (O shape ring), 96 ... erect bar, 110 ... coupling member, 120 ... operation metal wire, 180 ... cylindrical member, 200 ... linking part, 202 ... centre footpath portion, 204 ... minor diameter part, 220 ... via, 220a ... through hole, 220b ... screwed hole, 250 ... front end ring, 260 ... exodermis, 270 ... screw.
The specific embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.
Fig. 1 is the overall diagram that is suitable for ultrasonic endoscope 1 of the present invention.
Ultrasonic endoscope 1 in this figure (following, referred to as endoscope 1) comprising: the people who implements operation controls and the operating portion 10 that carries out various operations; To the insertion section 12 of inserting in patient's body cavity; Form the not shown blood processor of endoscopic system; And general flexible cord 14 for endoscope 1 is connected with system constituent apparatus such as light supply apparatuses.
On operating portion 10, be provided with by the various control members that operate of people of implementing operation, for example, be provided with angle knob (angle adjustment knob) 16, erect action bars 18, aspirated and water sending button 20, attraction button 22 etc.
In addition, be provided with and dispose apparatus introducing port 24 on operating portion 10, this disposal apparatus introducing port 24 makes to dispose apparatus and inserts to insert road (dispose apparatus and insert passage) through the disposal apparatus in insertion section 12.
Extend from the front end of operating portion 10 insertion section 12.Insertion section 12 entirety are for thin footpath and be formed as strip.
In addition, insertion section 12 is mainly made up of flexible part 30, bending section 32, leading section 34 towards front in turn from base end side.
Flexible part 30 occupies the major part starting from base end side of insertion section 12, has flexible to direction bending arbitrarily.In the time that insertion section 12 is inserted in body cavity, flexible part 30 is along towards endoceliac insertion path bending.
The rotation operation of bending section 32 by the angle knob 16 of operating portion 10 and up and down direction and left and right directions carry out flexure operation, by making bending section 32 carry out flexure operation, can make thus leading section 34 towards desired direction.
Leading section 34, as by described later its detailed construction, possesses: for taking image pickup part and the Lighting Division of endoceliac observation image; Obtain the ultrasonic transducer of ultrasonography; The disposal apparatus leading-out portion that the disposal apparatus inserting from disposal apparatus introducing port 24 is derived; And the disposal apparatus that the disposal apparatus from disposing the derivation of apparatus leading-out portion is erected erects platform etc.
General flexible cord 14 is at Logistics insourcing live wire, light guide, fluid hose.Not shown end at this general flexible cord 14 possesses adapter, by this adapter is connected with the system constituent apparatus of the regulation of the formation such as blood processor, light supply apparatus endoscopic system, supply with thus the required electric power of the utilization of endoscope 1, control signal, illumination light, liquefied gas etc. from system constituent apparatus to endoscope 1, and, by the data of the data of the observation image of obtaining by image pickup part or the ultrasonography obtained by ultrasonic transducer from endoscope 1 to the transmission of system constituent apparatus.It should be noted that, the observation image or the endoscopic images that are sent to system constituent apparatus are presented on monitor, thereby people who implements operation etc. can observe.
Then, the structure of the leading section 34 to insertion section 12 describes.Fig. 2, Fig. 3 are axonometric chart and the plane graphs (top view) that represents the outward appearance of leading section 34.
Leading section 34 has the leading section main body (framework) 36 in the next door that forms its outer wall, inside, accommodates the each component parts that keeps being disposed at leading section 34 in the resettlement section (reception room) being marked off by this leading section main body 36.
Although details omits, leading section main body 36 can be dismantled in detachable mode its part as explant, will under the state after explant dismounting, each component parts can be assembled in to the resettlement section of regulation.After each component parts is assembled in to resettlement section, explant is installed on to leading section main body 36, thus each component parts is accommodated to maintenance and is fixed on leading section 34 by resettlement section.
Leading section main body 36 is formed by the resin material such as, with such plastics of the insulant of insulating properties, methacrylic resin or Merlon etc.
As shown in Figure 2 and Figure 3, leading section 34 has base portion 40 and from base portion 40 extension 42 that distolateral extension arranges forward.
On extension 42, dispose the ultrasonic transducer 50 that the hyperacoustic multiple ultrasonic oscillator assortments of transmission reception is become to the camber of convex-shaped.By this ultrasonic transducer 50, obtain the data of the ultrasonography that generates in-vivo tissue.
Be provided with observation window 44, illuminating window 46R, 46L, aspirated and water sending nozzle 48, dispose apparatus leading-out portion 58 at base portion 40.
Observation window 44 is arranged on the inclined-plane, left side of front oblique upper 41L in Fig. 2, in the inside of base portion 40 of rear side that becomes this observation window 44, accommodate as the camera system unit of assembling integratedly forming the imaging optical system of image pickup part and solid-state imager.Thus, be taken into from observation window 44 from the light of subject of the field range that becomes image pickup part, formed subject picture by imaging optical system, and take and become observation image by solid-state imager.
Illuminating window 46R, 46L are separately positioned on inclined-plane, the right side 41R of front oblique upper and above-mentioned left side inclined-plane 41L in Fig. 2, contain in the inside of base portion 40 of the rear side that becomes above-mentioned illuminating window 46R, 46L the light outgoing portion that forms Lighting Division.The illumination light transmitting by light guide from the light supply apparatus being connected with general flexible cord 14 penetrates from light outgoing portion, this illumination light via illuminating window 46R, 46L the subject to the field range of image pickup part irradiate.
Aspirated and water sending nozzle 48 is arranged on the inclined-plane 41L of left side in Fig. 2, and the cleaning of observation window 44 etc. is carried out in the operation of the aspirated and water sending button 20 by operating portion 10 towards observation window 44 injection waters or air from aspirated and water sending nozzle 48.
Dispose the central part that apparatus leading-out portion 58 is arranged on base portion 40, the disposal apparatus inserting from the disposal apparatus introducing port 24 of operating portion 10 is derived from this disposal apparatus leading-out portion 58.
The disposal apparatus that is formed with concavity on disposal apparatus leading-out portion 58 erects space 62, and the base end side that erects space 62 at this disposal apparatus is provided with disposes apparatus inserting hole 64.
Dispose apparatus inserting hole 64 and insert road (dispose apparatus and insert passage) through the disposal apparatus in insertion section 12 and be communicated with, the disposal apparatus inserting from the disposal apparatus introducing port 24 of operating portion 10 erects space 62 from this disposal apparatus inserting hole 64 to disposal apparatus and derives.
Be provided with and erect platform (dispose apparatus and erect platform) 60 in the position that becomes the front (front) of disposing apparatus inserting hole 64 of disposing apparatus and erect space 62.
Erect platform 60 and formed by stainless steel and other metal materials, in Fig. 2, there is base end side from leading section 34 towards front and the guide surface 60a of bending concave shape upward in upper surface side.From disposing disposal apparatus that apparatus inserting hole 64 derives along this guide surface 60a, be bent upwards and the disposal apparatus of disposing apparatus export mouth 66 from becoming erects the upside outward opening portion in space 62 and derives with respect to the axis direction (lengthwise direction of insertion section 12) of leading section 34.
In addition, erect platform 60 and erect action by the operation that erects action bars 18 of operating portion 10, erect action and adjust the angle that erects of starting at from lodging state by making to erect platform 60, thereby can adjust the derivation direction (derivation angle) from disposing the disposal apparatus that apparatus leading-out portion 58 derives.
It should be noted that, dispose apparatus and insert road and also link with attraction channel, operate by the attraction button 22 to operating portion 10, can also carry out from disposing apparatus leading-out portion 58 attraction of body fluid etc.
Then, illustrate at leading section 34 places and to erect platform assembly 72 to what erect that platform 60 supports and drive.
Fig. 4 is the overall axonometric chart that represents to erect platform assembly 72, and Fig. 5 is that 5-5 in Fig. 3 is to looking cutaway view.
Erect platform assembly 72 assembling integratedly as shown in Figure 4.Erect platform assembly 72 as shown in Figure 5, accommodate and keep and be fixed in leading section 34 by the resettlement section of regulation of leading section main body 36 that forms the outer wall of leading section 34, inner next door.
In addition, the assembling parts except containment member described later that erects platform assembly 72 is formed by the such metal material of rustless steel, and entirety conducts.
As shown in Figure 4, erect platform assembly 72 by erecting platform 60, supporting module body 80 (driving mechanism portion) formation for rotating by erecting platform 60.
Module body 80 comprises: the abutment portion 82 configuring at the downside that erects platform 60; In abutment portion 82 and erect the bar resettlement section 84 of the sidepiece configuration of platform 60; And extend and arrange and be configured to the disposal apparatus insertion portion 86 of the rear side (base end side) that erects platform 60 from the rear end side (base end side) of abutment portion 82 and bar resettlement section 84.
The outer wall section of abutment portion 82 entirety, bar resettlement section 84 and disposal apparatus insertion portion 86 entirety are made up of integratedly metal member.
As shown in Fig. 2, Fig. 3 (and Fig. 5), accommodate under the state of (resettlement section of the regulation of leading section main body 36) in leading section 34 this being erected to platform assembly 72, as shown in Figure 4, Figure 5, the wall 82a of the upside of the abutment portion 82 by module body 80, the wall 84a that erects platform 60 sides of bar resettlement section 84, dispose the wall 36b (with reference to Fig. 5) of the wall 86a (with reference to Fig. 4) that erects platform 60 sides of apparatus insertion portion 86 and the wall part 36a of leading section main body 36, form the disposal apparatus that erects platform 60 to disposing and erect the wall that space 62 is divided.
It should be noted that, in Fig. 5, symbol 38 represents to form the imaging optical system of image pickup part, in leading section 34, accommodate the resettlement section that erects the resettlement section of platform assembly 72 and accommodate camera system assembly and isolate by wall part 36a, wherein this camera system assembly is by assembling the component parts of image pickup part integratedly.
As shown in Figure 4, Figure 5, in the abutment portion 82 of module body 80, be formed with: on the sidepiece of a side contrary with the sidepiece that is provided with bar resettlement section 84 along the recess 82b of the axis direction of leading section 34; And with the axis direction of the leading section 34 columned axis hole 82c that roughly the spatial portion 84b (with reference to Fig. 5) of the inside from recess 82b to bar resettlement section 84 is communicated with in orthogonal direction.
In recess 82b, embed the support 60b of the oriented lower side-prominent setting that erects platform 60, in axis hole 82c, pass the rotating shaft 90 that can rotate.And the leading section 90a of rotating shaft 90 and the embedded hole 60c forming on the support 60b that erects platform 60 are chimeric.
Thus, erect platform 60 and rotating shaft 90 links, and erect platform 60 via being to rotate freely with the rotating shaft 90 of the orthogonal direction of the axis direction of leading section 34 by abutment portion 82 supportings.And, erect platform 60 and centered by rotating shaft 90, rotate (erecting action) with the rotation interlock of rotating shaft 90.
It should be noted that, the embedded hole 60c of support 60b and the leading section 90a of rotating shaft 90 that erect platform 60 are fixed by keyway or screw threads for fastening etc.
In addition, be formed with circumferential groove 90b (with reference to Fig. 5) at the peripheral part of rotating shaft 90, in this groove 90b, embed filler (O shape ring) 92 as containment member.Thus, between the inner peripheral surface of axis hole 82c of abutment portion 82 and the outer peripheral face of rotating shaft 90, be pressed into filler 92, prevent that fluid from erecting the situation that the spatial portion 84b of 62Xiang Gan resettlement section, space 84 flows into from disposing apparatus via the gap between the inner peripheral surface of axis hole 82c and the outer peripheral face of rotating shaft 90.
The bar resettlement section 84 of module body 80 has spatial portion 84b as described above in inside, as shown in Figure 5, Figure 6, accommodate and erect bar 96 (bar member) (driver part) in this spatial portion 84b.It should be noted that, Fig. 6 be erect platform 60 from disposing of bar resettlement section 84 the contrary side surface side of wall 84a side by perspective in spatial portion 84b and the figure that illustrates.
Erect bar 96 and be formed as long plate shape, a side's of its length direction end side (base end part side) links with the base end part of the rotating shaft 90 of abutment portion 82.Thus, erecting bar 96 rotates centered by rotating shaft 90 with the rotation interlock of rotating shaft 90.
Therefore, rotate by erecting bar 96, rotating shaft 90 rotates and makes to erect platform 60 and erects action thus.
It should be noted that rotating shaft 90 and erect the member that bar 96 can be formed as one also can link the member of split integratedly.
In addition, wall member 84c (with reference to Fig. 5) can dismantle from bar resettlement section 84, wherein, this wall member 84c is when erecting bar 96 and observe, erect the wall 84a side of platform 60 and form contrary wall with respect to disposing of bar resettlement section 84, by being formed as the state after removal wall member 84c, thus can be to accommodating rotating shaft 90 in bar resettlement section 84, erecting bar 96 etc.
As shown in Figure 5, be formed with the groove 96a of the direction orthogonal with rotating shaft 90 at the leading section that erects bar 96, as shown in Figure 6, the front surface being formed with in the position intersecting with this groove 96a from erecting bar 96 is the through hole 96b connecting cylindricly to the back side.
In through hole 96b, embed the columned cylindrical member 180 that has the roughly the same diameter that can rotate, the operation metal wire 120 of controlling cable 74 is installed on this cylindrical member 180.
Thus, in the time that operation metal wire 120 is advanced and retreat mobile (push pull maneuver), erect bar 96 and centered by rotating shaft 90, rotate (swing), erect platform 60 and its interlock, erect action via rotating shaft 90.For example, in Fig. 6, erect platform 60 and can in the scope of the state that erects shown in double dot dash line, erect action at the lodging state from shown in solid line.
Control cable 74 from the operating portion 10 of endoscope 1 through in insertion section 12 and configure, front is connected with the side wall portion 84d of bar resettlement section 84 as Fig. 4, Fig. 6.
Control cable 74 by tubulose and have and pass configuration operation metal wire 120 in the mode that can slide in the tube chamber of flexible coiled casing (guiding tube) and form.
Operation metal wire 120 for example forms by the twisted metal wires that the former stockline twisted being made up of multiple metal fines is formed.Coiled casing for example forms by the cover heating shrinkage hose on coil of connecting airtight at tubulose.
Controlling the connecting portion place of cable 74 with the side wall portion 84d of bar resettlement section 84, the side wall portion 84d of bar resettlement section 84 is fixed in the end of coiled casing.
On the other hand, operation metal wire 120 is passed in the upper not shown inserting hole forming of side wall portion 84d and inserts to the spatial portion 84b of bar resettlement section 84, and is fixed on as described above cylindrical member 180.
The base end side of controlling cable 74 in the inside of operating portion 10 via Poewr transmission mechanism with erect action bars 18 and be connected, operation metal wire 120 with erect action bars 18 swinging operation (slide) interlock and along axis direction (lengthwise direction of the insertion section 12) action of advancing and retreat.
Thus, when the people who implements operation is during to the erecting action bars 18 and carry out swinging operation (slide) of operating portion 10, under the effect of this operating physical force, the movement of advance and retreat of operation metal wire 120 is rotated as described above (swing) and is made to erect platform 60 and erect action thereby erect bar 96 centered by rotating shaft 90.
As shown in Figure 4, be formed with in the disposal apparatus insertion portion 86 of module body 80 the disposal apparatus inserting hole 64 that is cylindric perforation.
In this disposal apparatus inserting hole 64, embed and the front of the coupling member 110 of stationary cylinder shape.Embedding outside the rear end side (base end side) of coupling member 110 and installing forms to be disposed apparatus and inserts the leading section of the flexible pipe 112 on road.
Thus, make above-mentionedly like that to insert and erect space 62 and derive to disposing apparatus through disposing apparatus to insert road be disposal apparatus in flexible pipe 112 via coupling member 110 and disposing apparatus inserting hole 64 from the disposal apparatus introducing port 24 of operating portion 10.
Then, erect space 62 and derive to outside to disposing apparatus to erect disposal apparatus after derive in space 62 by erecting platform 60 and erecting from disposing apparatus.
What below form like that erects platform assembly 72 in order to obtain high intensity, filler 92 assembling parts is in addition formed by metal material, and entirety conducts.
Using high-frequency treatment apparatus as when disposing the disposal apparatus that apparatus leading-out portion 58 derives etc., from disposing apparatus to erect platform 60 and flow through leakage current in the situation that, leading section 34 by the following describes and the structure of the linking part of bending section 32, this leakage current is flowed to the square ring (joint ring) of bending section 32, and emit to the ground wire of operating portion 10 via the metal outer pipe of flexible part 30 from square ring.
Thus, can make to leak into the leakage current that erects platform 60 and suitably become separated in flight to ground wire from disposing apparatus.
The structure of the linking part of the bending section 32 to leading section 34 describes.Fig. 7 is the axonometric chart that represents leading section 34 from base end side, Fig. 8 be in Fig. 7 8-8 to looking cutaway view.
The control cable 74 that the module body that erects platform assembly 72 80 keeping with the leading section main body 36 by leading section 34 shown in Figure 7 is connected and form and dispose apparatus and insert the flexible pipe 112 on road, they are through the inside of bending section 32.
Base end side peripheral part at the base portion 40 of leading section 34 is formed with the linking part 200 linking with bending section 32, on linking part 200, is formed with: the outer peripheral face that makes leading section main body 36 is than the middle footpath portion 202 of front undergauge; And at the base end side of middle footpath portion 202 than the minor diameter part 204 of middle footpath portion 202 undergauges.
At the front end ring 250 of the chimeric bending section 32 that has endoscope 1 of peripheral part of the minor diameter part 204 of this linking part 200.And, the not shown screw being passed in after the inserting hole 252 forming on front end ring 250 is screwed into the screwed hole 210 (with reference to Fig. 7) forming on minor diameter part 204, front end ring 250 is fixed on to minor diameter part 204.
At this, the front end ring 250 of bending section 32 is illustrated in the square ring foremost in the not shown multiple circular square ring that bending section 32 places can link configuration rotationally (joint ring).
Due to known, therefore detailed explanation is omitted, but the multiple square rings that link pass through the operation of the angle knob 16 of operating portion 10, the operation metal wire that push-and-pull is installed on front end ring 250, thus entirety bends right and left up and down.
Above-mentioned square ring is formed and is mutually conducted by metal material respectively, and is electrically connected with the metal outer pipe (by banded helically wound serpentine pipe of metallic coil etc.) of the flexible part 30 of the base end side of bending section 32.And the ground wire (GND) of the metal outer pipe of flexible part 30 and operating portion 10, the member that becomes earthing potential are connected.
In addition, minor diameter part 204 and with the chimeric front end ring 250 of minor diameter part 204 on be formed with via 220.
As shown in Figure 8, via 220 comprises: the through hole 220a of the truncated cone forming on front end ring 250; Be communicated with and erect to containing of leading section main body 36 from the outer peripheral face of minor diameter part 204 the through hole 220b of the resettlement section perforation of platform assembly 72 with through hole 220a; And be communicated with through hole 220a, 220b and erecting the upper screwed hole 220c (also with reference to Fig. 4) forming of the module body 80 of platform assembly 72 (disposing the wall portion of apparatus insertion portion 86).
In this via 220, (for example embed metal screw, sunk screw) 270 (with reference to Fig. 7), screw 270 (connecting elements) passes the through hole 220a of front end ring 250 and the through hole 220b of leading section main body 36 and screws togather and fix with the screwed hole 220c of module body 80.Now, the head of screw 270 is embedded in the through hole 220a of front end ring 250.
Thus, the screw 270 of electric conductivity contacts with front end ring 250 with module body 80, and module body 80 and front end ring 250 are conducted via screw 270.
At the peripheral part of the middle footpath of linking part 200 portion 202, cover the chimeric installation of mode that the exodermis 260 (with reference to Fig. 8) of periphery of bending section 32 extends to cross the front end of front end ring 250, and coating by kinking or bonding agent etc. be fixed in the middle of the peripheral part of footpath portion 202.
Structure according to above leading section 34 with the linking part 200 of bending section 32, at the use leakage current because of high-frequency treatment apparatus etc., to erecting platform 60 leaks, this leakage current is from via above-mentioned screw 270, the front end ring 250 to bending section 32 flows with erecting the module body 80 that platform 60 conducts.
Because the square ring of front end ring 250 and its back segment is connected with the ground wire (GND) of operating portion 10 together, the leakage current therefore flowing in front end ring 250 is emitted to ground wire.
Therefore, even if from disposing apparatus to erect platform 60 and flow through leakage current in the situation that, also can make this leakage current become separated in flight to ground wire.
In addition, the heat being produced by other the component parts such as the image pickup part configuring at leading section 34 (shooting module), therefore also has cooling leading section 34 such effect to the square ring heat radiation of bending section 32 via erecting platform assembly 72 and screw 270.
In the above embodiment, make front end ring 250 conductings of module body 80 and bending section 32 by the screw 270 being embedded in via 220, but be not limited to screw 270, as long as the member of electric conductivity is contacted with front end ring 250 with module body 80.
For example, can by screw combination, the member of electric conductivity such screw 270 be fixed on to via 220, and the pin of electric conductivity is pressed into and is fixed to via 220, can also in front end ring 250 or module body 80, not form through hole 220a or screwed hole 220c, and only in leading section main body 36, form through hole 220b, and the member that is embedded into the electric conductivity in this through hole 220b is only contacted with the outer surface of module body 80 with the inner peripheral surface of front end ring 250.
In addition, for example there is situation about being made up of the crust of for example fluorubber system of the periphery of netted pipe (braid) and the netted pipe of covering in the exodermis 260 of bending section 32, and this netted pipe covers the periphery of square ring and is made up of the braiding of metal wire rod.In this case, also can module body 80 be connected by the member of electric conductivity with front end ring 250, and the netted pipe of module body 80 and exodermis 260 is connected by the member of electric conductivity.
For example, can be mode as follows: 202 places of portion, middle footpath at the linking part 200 of leading section 34 form 80 vias that connect from outer peripheral face to module body, and this via of the Component Embedding of wire-conducting performance is electrically connected module body 80 and netted pipe.
Be, in the element of square ring or exodermis 260 at the outer tube of bending section 32, as long as either party's metal outer tube (tubular element) is connected and is conducted by the member of electric conductivity with module body 80.
In addition, the member that makes electric conductivity with respect to erect position that platform assembly 72 contacts as long as with the position that erects platform 60 and conduct, can be position arbitrarily.
In addition, in the above-described embodiment, the embodiment that the present invention is applicable to the situation of ultrasonic endoscope is illustrated, but the present invention also can be suitable for like that at above-mentioned embodiment in erecting platform assembly and accommodated by the leading section main body of insulating properties the endoscope of maintenance.
Claims (7)
1. a ultrasonic endoscope, it possesses:
In the leading section main body of the insulating properties of the front-end configuration of the insertion section of inserting in body cavity;
By the ultrasonic transducer of described leading section body abutment;
The disposal apparatus that is arranged at described leading section main body in the mode that can erect erects platform;
With the base end side link of described leading section main body and the tubular element of electric conductivity electrical ground; And
Described disposal apparatus is erected to the connecting elements of the electric conductivity of platform and the electrical connection of described tubular element.
2. ultrasonic endoscope according to claim 1, wherein,
Described insertion section has the bending section being made up of multiple joint rings linking with the base end side of described leading section main body,
Described tubular element is the joint ring of the front in described multiple joint ring.
3. ultrasonic endoscope according to claim 1 and 2, wherein,
Described ultrasonic endoscope also possesses driving mechanism portion, and this driving mechanism portion erects platform by described disposal apparatus and supports as rotating, and accommodate maintain make described disposal apparatus erect platform rotate drive division,
Described driving mechanism portion and described disposal apparatus erect platform and conduct, and are kept by described leading section main body,
Described tubular element is connected with the base end side peripheral part of described leading section main body,
Described connecting elements configures with the mode that described tubular element contacts to be passed in driving mechanism portion described in the Kong Eryu forming in described leading section main body.
4. ultrasonic endoscope according to claim 3, wherein,
Described driving mechanism portion possesses:
Described disposal apparatus is erected to the rotating shaft of platform supporting for rotating;
By the driving force being transmitted by operation metal wire, and erect with described disposal apparatus the bar member that platform can rotate with respect to described rotating shaft integratedly; And
Described rotating shaft is supported as rotating, and the main part that described bar member is accommodated.
5. ultrasonic endoscope according to claim 4, wherein,
Described connecting elements contacts with described main part.
6. ultrasonic endoscope according to claim 4, wherein,
Described main part have by dispose apparatus to dispose described disposal apparatus erect platform space derive disposal apparatus inserting hole, this disposal apparatus is passed in the disposal apparatus of the internal configurations of described insertion section and inserts road.
7. ultrasonic endoscope according to claim 5, wherein,
Described main part have by dispose apparatus to dispose described disposal apparatus erect platform space derive disposal apparatus inserting hole, this disposal apparatus is passed in the disposal apparatus of the internal configurations of described insertion section and inserts road.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013000962A JP5683614B2 (en) | 2013-01-08 | 2013-01-08 | Ultrasound endoscope |
| JP2013-000962 | 2013-01-08 |
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| Publication Number | Publication Date |
|---|---|
| CN103908305A true CN103908305A (en) | 2014-07-09 |
| CN103908305B CN103908305B (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410003337.8A Active CN103908305B (en) | 2013-01-08 | 2014-01-03 | Ultrasonic endoscope |
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| Country | Link |
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| JP (1) | JP5683614B2 (en) |
| CN (1) | CN103908305B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105455854A (en) * | 2014-09-30 | 2016-04-06 | 富士胶片株式会社 | Endoscope apparatus |
| CN105596028A (en) * | 2014-09-16 | 2016-05-25 | 富士胶片株式会社 | Hood for ultrasonic endoscope and ultrasonic endoscope |
| CN105982636A (en) * | 2015-03-20 | 2016-10-05 | 富士胶片株式会社 | Endoscope |
| CN105982634A (en) * | 2015-03-20 | 2016-10-05 | 富士胶片株式会社 | Endoscope |
| CN106821281A (en) * | 2015-10-23 | 2017-06-13 | 富士胶片株式会社 | Endoscope |
| CN106859577A (en) * | 2015-10-23 | 2017-06-20 | 富士胶片株式会社 | Endoscope |
| CN107427285A (en) * | 2015-04-13 | 2017-12-01 | 内尔松·若热·特谢拉·多斯·桑托斯·保罗 | The device for intracardiac and intravascular surgical operation with endo-luminal ultrasound probe |
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| CN111526798A (en) * | 2018-01-26 | 2020-08-11 | 富士胶片株式会社 | Endoscope with a detachable handle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003260029A (en) * | 2002-03-06 | 2003-09-16 | Olympus Optical Co Ltd | Endoscope |
| JP2005287593A (en) * | 2004-03-31 | 2005-10-20 | Fujinon Corp | Endoscope |
| CN101061940A (en) * | 2006-04-25 | 2007-10-31 | 奥林巴斯医疗株式会社 | Endoscope distal end cover, endoscope including the same, and method for removing endoscope distal end cover |
| JP2008017859A (en) * | 2006-07-10 | 2008-01-31 | Olympus Medical Systems Corp | Ultrasonic endoscope and accessory raising base used for ultrasonic endoscope |
| CN101621967A (en) * | 2007-03-30 | 2010-01-06 | 奥林巴斯医疗株式会社 | Treatment device |
-
2013
- 2013-01-08 JP JP2013000962A patent/JP5683614B2/en active Active
-
2014
- 2014-01-03 CN CN201410003337.8A patent/CN103908305B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003260029A (en) * | 2002-03-06 | 2003-09-16 | Olympus Optical Co Ltd | Endoscope |
| JP2005287593A (en) * | 2004-03-31 | 2005-10-20 | Fujinon Corp | Endoscope |
| CN101061940A (en) * | 2006-04-25 | 2007-10-31 | 奥林巴斯医疗株式会社 | Endoscope distal end cover, endoscope including the same, and method for removing endoscope distal end cover |
| JP2008017859A (en) * | 2006-07-10 | 2008-01-31 | Olympus Medical Systems Corp | Ultrasonic endoscope and accessory raising base used for ultrasonic endoscope |
| CN101621967A (en) * | 2007-03-30 | 2010-01-06 | 奥林巴斯医疗株式会社 | Treatment device |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US10398288B2 (en) | 2014-09-16 | 2019-09-03 | Fujifilm Corporation | Hood for ultrasonic endoscope and ultrasonic endoscope |
| CN105455854A (en) * | 2014-09-30 | 2016-04-06 | 富士胶片株式会社 | Endoscope apparatus |
| CN105982636B (en) * | 2015-03-20 | 2020-02-14 | 富士胶片株式会社 | Endoscope with a detachable handle |
| CN105982636A (en) * | 2015-03-20 | 2016-10-05 | 富士胶片株式会社 | Endoscope |
| CN105982634A (en) * | 2015-03-20 | 2016-10-05 | 富士胶片株式会社 | Endoscope |
| CN105982634B (en) * | 2015-03-20 | 2020-03-17 | 富士胶片株式会社 | Endoscope with a detachable handle |
| CN107427285B (en) * | 2015-04-13 | 2021-04-27 | 内尔松·若热·特谢拉·多斯·桑托斯·保罗 | Device for intracardiac and endovascular surgery with an intracavity ultrasound probe |
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| US10980558B2 (en) | 2015-09-02 | 2021-04-20 | Fujifilm Corporation | Endoscope and treatment tool-standing mechanism |
| CN106859577A (en) * | 2015-10-23 | 2017-06-20 | 富士胶片株式会社 | Endoscope |
| CN106821281A (en) * | 2015-10-23 | 2017-06-13 | 富士胶片株式会社 | Endoscope |
| CN111789565A (en) * | 2016-07-11 | 2020-10-20 | Hoya株式会社 | Endoscope with a detachable handle |
| CN111789565B (en) * | 2016-07-11 | 2024-03-19 | Hoya株式会社 | Endoscope with a lens |
| CN109715035A (en) * | 2016-10-14 | 2019-05-03 | Hoya株式会社 | The method for dismounting of endoscope-use lid, endoscope and endoscope-use lid |
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| CN109715035B (en) * | 2016-10-14 | 2022-10-04 | Hoya株式会社 | Endoscope cap, endoscope, and method for detaching endoscope cap |
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| CN111526798B (en) * | 2018-01-26 | 2023-06-06 | 富士胶片株式会社 | Endoscope with a lens |
| US12004711B2 (en) | 2018-01-26 | 2024-06-11 | Fujifilm Corporation | Endoscope |
| CN112672674A (en) * | 2018-09-10 | 2021-04-16 | 富士胶片株式会社 | Endoscope with a detachable handle |
| CN112672674B (en) * | 2018-09-10 | 2023-11-14 | 富士胶片株式会社 | Endoscope with a lens |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5683614B2 (en) | 2015-03-11 |
| CN103908305B (en) | 2017-09-15 |
| JP2014132923A (en) | 2014-07-24 |
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