CN100387200C - Ultrasonic endoscope - Google Patents
Ultrasonic endoscope Download PDFInfo
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- CN100387200C CN100387200C CNB2005100822897A CN200510082289A CN100387200C CN 100387200 C CN100387200 C CN 100387200C CN B2005100822897 A CNB2005100822897 A CN B2005100822897A CN 200510082289 A CN200510082289 A CN 200510082289A CN 100387200 C CN100387200 C CN 100387200C
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Abstract
An ultrasonic endoscope comprises an insertion portion comprising a distal hard portion which has: an endoscopic observation unit; and an ultrasonic observation unit having ultrasonic transducers arranged circumferentially on an outer circumferential section of the distal hard portion, wherein the ultrasonic observation unit comprises an ultrasonic-wave transmission/reception unit having an tunnel-shaped path which has an inner circumferential surface formed as a backing layer; a distal block is arranged on a distal side in an axial direction of the distal hard portion with respect to a location where the ultrasonic-wave transmission/reception unit is arranged, and distal ends of respective members constituting the endoscopic observation unit are fixed to the distal block; and part of the members which constitute the endoscopic observation unit are fitted so as to be partially protruded from an inside diameter of the tunnel-shaped path toward an outer circumferential side thereof.
Description
Technical field
The present invention relates to a kind of ultrasonic endoscope, is to have the endoscopic observation parts of field of view in the place ahead that the top of insertion section hard portion is arranged on this top hard portion and have ultrasonic endoscope with the electron scanning formula ultrasound wave observation parts of the circle-shaped or circular-arc ultrasonic scanning face of the orthogonal axe of this top hard portion.
Background technology
Ultrasonic endoscope for example is equipped with in the top of insertion section hard portion and observes endoceliac endoscopic observation parts, comprises to be inserted logical pliers and other treatment instruments of disposing apparatuses and inserts the mechanism of endoscope and the ultrasound wave observation parts of miscellaneous parts such as logical portion and constitute, and, as the scanning form based on these ultrasound wave observation parts, widely used all the time is the device of a plurality of ultrasonic oscillators being arranged and driven successively the so-called electron scanning formula of these ultrasonic oscillators on prescribed direction.Then, for example, open as described in the 2001-314403 communique as the spy, field of view as the endoscopic observation parts, make the place ahead of the top hard portion of insertion section direct-view endoscope as the visual field, in addition, form ultrasonic scanning face diametrically, promptly circle-shaped or predetermined angular scope circular-arc based on ultrasound wave observation parts.
This spy opens the ultrasonic endoscope in the 2001-314403 communique, for example be inserted in the pipe of body cavitys such as lower digestive tract such as the top digestive tract of esophagus, duodenum etc. or large intestine, observe the place ahead of direction of insertion with the endoscopic observation parts, consequently detecting diseased region etc. when being concerned about the zone, make ultrasound wave observation parts be positioned at the opposite in this care zone, can obtain the information relevant with the in-vivo tissue at this position.
But, open in the ultrasonic endoscope of formation of 2001-314403 communique the described spy of having, the treatment instrument that constitutes each member, bottom line Lighting Division and the observation portion of endoscopic observation parts and be used for inserting treatment instruments such as logical pliers is inserted circulation passage or is used to clean the members such as conduit that the water of supplying gas of observation portion is used, and is configured in the mode of the top end face that faces top hard portion.Ultrasound wave observation parts carry out radial ultrasonic scanning, therefore these ultrasound wave observation parts form general cylindrical shape, and be formed with the path of channel shape in the installation portion inboard of ultrasound wave observation parts, each member that constitutes the endoscopic observation parts is configured in the inside of this passage shape path.
Here, carry out the ultrasound wave observation parts of radial ultrasound wave electron scanning, ultrasonic oscillator with a plurality of arrangements is circle-shaped or circular-arc to become, and the transmitting-receiving face side at this ultrasonic oscillator is that outer circumferential side is provided with acoustic lens at least, is provided with conformable layer and acoustic lens if be more strictly speaking.On the other hand, on the face of the opposite side with transmitting-receiving face of ultrasonic oscillator, be equipped with base material (backingmaterial).Thereby the inner peripheral surface of base material forms the internal diameter of passage shape path.When making all members that constitute the endoscopic observation parts become the configuration relation of regulation, all these members must be housed in the passage shape path.
Therefore, from functional viewpoint, the gauge that constitutes ultrasonic oscillator, acoustic lens and the base material of ultrasound wave observation parts also will be set respectively.Like this, be formed in each member of the logical endoscopic observation parts of passage shape path interpolation, for example constitute the lighting lens of Lighting Division and photoconduction size, constitute observation portion object lens with and the size of lens barrel or solid-state imager and substrate thereof, the sectional dimension that treatment instrument is inserted circulation passage etc., must on the basis of the function that can bring into play them, possess necessary size.Thereby, guaranteeing when the size of the each several part that will constitute these ultrasound wave observation parts and endoscopic observation parts to be made as necessary size under the prerequisite of function separately, then the outside dimension of top hard portion becomes big, make not only to endoceliac insertion operability variation, and patient's burden is also increased.On the other hand, if want to dwindle the outside dimension of top hard portion, then be necessary any one or a plurality of member that constitute in described ultrasound wave observation parts or the endoscopic observation parts are carried out miniaturization, and may produce the restriction on the function like this.
Summary of the invention
The invention that the present invention finishes in view of the above fact just, its purpose is, the size that need not to constitute each member of ultrasound wave observation parts or endoscopic observation parts narrows down to unwanted size and the outside dimension of the top hard portion of insertion section can be suppressed to Min..
Yet the ultrasonic oscillator array is that the unit by the general cylindrical shape shape constitutes as a whole, sets bed course in the inboard of ultrasonic oscillator, and acoustic lens is installed in the outside in addition.Acoustic lens is used to make from the ultrasonic beam of ultrasonic oscillator to be assembled, and by this acoustic lens is set, can improve on ultrasonic beam and the wave beam orthogonal direction of transmission face.The ultrasonic oscillator array makes described each member etc. integrated, and be assembled into the top hard portion of insertion section, and each member that constitutes endoscopic observation parts etc. insert lead to the inside that so becomes the ultrasonic oscillator of drum array, specifically in the passage shape path that the inside of bed course forms.
According to described conventional art, in the hard portion of the top of insertion section, for the fixing ultrasonic oscillator array that keeps, with side within it the supporting member of tubular is set and on this supporting member the mode of the rear and front end portion of chimeric ultrasonic oscillator array and this ultrasonic oscillator array of clamping install.Then, be provided with the brake component of ultrasonic oscillator array in side's side of front and back clamping components.Then, the ultrasonic oscillator array is thus realized airtight the guaranteeing property of bonding part by on the adhesive securement clamping components that the supporting member of side and front and back are provided with within it.Thereby the adhesive portion at the two ends of ultrasonic oscillator array is exposed externally, and at the heat treatment in when sterilization or to the impregnating of disinfectant solution and deterioration, there are the problems such as sealing function reduction of bonding portion by the insertion section in the bonding agent of this exposed portions serve.
Here, the member that constitutes the peripheral part of ultrasonic oscillator array is an acoustic lens, and, using the velocity of sound to use concavees lens under the situation of material faster than organism as the material of this acoustic lens, under the situation of using the velocity of sound slower material, use convex lens than organism.And,, preferably constitute acoustic lens with convex lens if consider connecting airtight property to body cavity walls.The velocity of sound of silicone rubber is 1000m/ second approximately, and the velocity of sound in organism is 1530m/ second, therefore the material of silicone rubber as acoustic lens can be used.
The invention that the present invention finishes in view of above problem points just, its purpose are, expose junction surface outside in the installation portion of minimizing ultrasonic oscillator array.
In addition, the insertion section of ultrasonic endoscope is inserted into carries out various inspections or treatment etc. in those who are investigated's body, therefore needs its diameter thin as far as possible.If improve the inspection precision of observing parts based on ultrasound wave, need and its output be increased with the ultrasonic oscillator maximization.For this reason, not only the thickness of ultrasonic oscillator increases, and the thickness of bed course also must increase.In the inner passage shape path that forms of bed course, insert mechanism of logical endoscope.
As mechanism of endoscope, be that optical profile type is observed endoceliac mechanism, so Min. need possess Lighting Division and observation portion.In addition, except them, also need to be provided with other members such as washing fluid supply pipe that treatment instrument is for example inserted circulation passage or watch window sometimes.Especially, observation portion will dispose object lens and solid-state imager at least, and can also dispose various filters as required or be used for prism of crooked light path etc.And treatment instrument is inserted circulation passage and is used for inserting logical pliers and other treatment instruments, and in order to insert logical large-scale treatment instrument, treatment instrument is inserted circulation passage and preferably is made of thick pipe.
As mentioned above, in ultrasonic endoscope,, then there is the problem of the corresponding chap in insertion section thus if improve in ultrasound wave observation parts or the mechanism of endoscope the function of any one.Especially because the internal diameter of bed course has great influence to the installation of mechanism of endoscope, therefore the objective of the invention is to, widen by the cross section of the passage shape path that will form by bed course, thereby the installing space of guaranteeing mechanism of endoscope is broader as far as possible.
In order to achieve the above object, the invention provides a kind of ultrasonic endoscope, it is being equipped with the ultrasound wave observation parts of the place ahead along the circumferential direction being arranged the ultrasonic oscillator of defined amount as the endoscopic observation parts of field of view and on the peripheral part of described top hard portion and possessing circle-shaped or circular-arc sweep limits in hard portion of top of insertion section, it is characterized in that: described ultrasound wave observation parts possess the ultrasonic transmission/reception unit that inner circumferential surface becomes bed course (backing layer) and has the passage shape path of general cylindrical shape shape; From the unitary portion that sets of this ultrasonic transmission/reception, be equipped with top piece (block) at the front side of the axis direction of described top hard portion, the top ends to each member of constituting described endoscopic observation parts on this top piece is fixed; The a part of member that constitutes described endoscopic observation parts is in the piece of described top, the mode of partly exposing towards the periphery side with the internal diameter from described passage shape path is mounted, also have the bridge formation member, described bridge formation member is provided with the part that the part of the described endoscopic observation parts that allow to be configured in its inside is exposed on local at least perisporium.
In the middle of each member that constitutes the endoscopic observation parts, at the position that is positioned at top hard portion, the member that has cross sectional shape to change towards axis direction.For example, compare with the photoconduction that constitutes Lighting Division, the diameter of lighting lens is bigger.In addition, in observation portion, object lens have the relation that is made of a plurality of lens, and are installed in the lens barrel, and the cross sectional shape of this lens barrel is circular, but the solid-state imager that is configured on the image space of object lens is a tabular, and are equipped on the substrate.And, draw signal cable from this substrate.Thereby, lens barrel and be configured in member on the base end side from lens barrel, different on shape and size.Therefore, observe the position of the passage shape path of parts forwards prolong setting from being formed with the top piece based on ultrasound wave.Thus, the external diameter of top piece can observe the external diameter of parts have roughly the same size with ultrasound wave.In addition, as mentioned above, with head portion from the position that is positioned at passage shape path inside to the side-prominent position of periphery, be located on the top piece of hole enlargement like this.Thus, can eliminate the dependency of endoscopic observation parts,,, also can not make top hard portion particle sizeization even possess the size that effectively to bring into play its function for each member to passage shape path.In addition, for fixing each member that constitutes the endoscopic observation member, and, endoscope's installation component that the top piece can be formed by metal material, constitute for not making this endoscope's installation component expose the top end cap that chimeric insulating component forms to the outside from the viewpoint of intensity and processability.And, on the position of this top end cap, increase the diameter of Lighting Division or observation portion at least, and install in the mode that the inner-diameter portion whose ground from passage shape path exposes.Especially, for the slotting part of leading in the passage shape path of Lighting Division, its cross sectional shape can at random be out of shape, and therefore can take to make its circuitous grade not form interferential measure with other members.
Preferably the member that is mounted in the mode of exposing from the inner-diameter portion whose of described passage shape path ground in the piece of described top is a certain at least side in Lighting Division or the observation portion.
Preferred described Lighting Division is made of lighting lens and photoconduction, the external diameter of described lighting lens is to form in the mode of exposing from described passage shape passage portion ground, and the formation of described photoconduction is to make its distortion so that become flat pattern by described passage shape path the time.
Preferred described top piece is to constitute by the endoscope's installation component that forms with metal material with not make this endoscope's installation component be exposed to the outside chimeric top end cap of mode, so that fixing each member that constitutes described endoscopic observation parts, and, at least on the position of this top end cap, increase the diameter of described Lighting Division or observation portion, make and expose from the inner-diameter portion whose ground of described passage shape path.
By adopting above formation, the any member that constitutes the endoscopic observation parts can be configured to outer circumferential side from passage shape path under the situation of not disturbing ultrasound wave observation parts, thereby can play the effects such as thin footpathization of the top hard portion that realizes the insertion section.
Can also adopt following formation, promptly, described insertion section has the bight that is connected to described top hard portion, the acoustic lens installed of the mode of the ultrasonic oscillator array that will form with ultrasonic oscillator that surround to arrange described defined amount and the exodermis in described bight simultaneously are installed on the described insertion section as the outer package sleeve pipe of one.
Acoustic lens can be concavees lens, but from the viewpoints such as connecting airtight property to body cavity walls, also can be made of convex lens, and as the material of slow propagation in vivo, silicone rubber is for example arranged.On the other hand, the exodermis in bight need possess retractility, and against weather, resistance to chemical reagents etc. also must be outstanding.In addition, as a preferred example of its material, can use silicone rubber.In addition, as on the insertion section from the bight to top hard portion till the outer package sleeve pipe installed of most peripheral, can use for example silicone rubber.And the outside at the position by the ultrasonic oscillator array will be installed is expanded to convex shape, can make the function of outer package sleeve pipe performance as acoustic lens.
When across corner was carried out bending operation, the exodermis on this bight can stretch.On the other hand, as the position of acoustic lens performance function, need to keep its outside shape invariance.And, in top hard portion, especially when the outside at the position that this ultrasonic oscillator array is installed shape changes, will change as the characteristic and the function of acoustic lens.Therefore, preferably in the boundary portion that constitutes between telescopic exodermis of described outer package and the acoustic lens, the tension force transmission blocking-up portion that winding section for example is set and forms by the coating of adhesive.This outer package sleeve pipe is the member with electrical insulating property.Described endoscopic observation parts have on the top that is set at described top hard portion, has the member of formation that contains Lighting Division and observation portion at least, each member of formation of endoscopic observation parts is installed in the endoscope's installation portion of being located in the hard portion of top that is made of metal material, and the tip shroud portion of packing this endoscope's installation portion of the integrally formed covering in top of telescopic acoustic lens outside.
By adopting above formation, from the bight that constitutes the insertion section to the top hard portion, does not expose to the outside at the junction surface between the member of front and back, therefore has and can further improve the effects such as seal of the inside of ultrasonic endoscope.
Can also adopt following formation, promptly, described endoscopic observation parts are located at the top end face of described top hard portion, and have Lighting Division and observation portion at least, while makes the mechanism of endoscope with described endoscopic observation parts and the miscellaneous part that comprises the slotting circulation passage of treatment instrument insert logical and is provided with in the inside of described passage shape path, inboard at described bed course, in the area of space of the portion that sets that is created on mechanism of described endoscope, the sealing acoustic impedance packing material identical or close with this bed course.
Preferred described packing material is to be made of the material identical with described bed course, is provided with solid-state imager in described observation portion, and at least a portion of this solid-state imager is buried underground the inside of described packing material.
Thus, packing material can be brought into play in fact and the bed course identical functions, thereby can make the thickness attenuation of the bed course that constitutes ultrasound wave observation parts itself, and performance can enlarge the effects such as installing space of mechanism of endoscope thus.
Description of drawings
Fig. 1 be an expression mode of the invention process the whole pie graph of ultrasonic endoscope.
Fig. 2 A is the outside drawing of the head portion of expression insertion section.
Fig. 2 B is the outside drawing of the head portion of expression insertion section.
Fig. 3 is the figure of the top end face of expression top hard portion.
Fig. 4 A is the profilograph (the 1st embodiment) of top hard portion.
Fig. 4 B is the profilograph of representing head portion from the bight (the 2nd embodiment) of insertion section.
Fig. 5 A is the A-A profile of Fig. 4 A.
Fig. 5 B is A '-A ' profile of Fig. 4 B.
Fig. 6 A is the B-B profile of Fig. 4 A.
Fig. 6 B is B '-B ' profile of Fig. 4 B.
Fig. 7 A is the C-C profile of Fig. 4 A.
Fig. 7 B is C '-C ' profile of Fig. 4 B.
Fig. 8 A is the D-D profile of Fig. 4 A.
Fig. 8 B is D '-D ' profile of Fig. 4 B.
Fig. 9 is the stereoscopic figure of bridge formation member.
Figure 10 is the E-E profile of Fig. 3 A.
Figure 11 is the E-E profile of Fig. 2 B.
Figure 12 is the profilograph of representing head portion from the bight of insertion section.
Figure 13 is the A of Figure 12 "-A " profile.
Figure 14 is the B of Figure 12 "-B " profile.
The specific embodiment
Below, the embodiment that present invention will be described in detail with reference to the accompanying.At first, as shown in Figure 1, ultrasonic endoscope roughly is made of main body operating unit 1, insertion section 2 and general lead 3.And, in this ultrasonic endoscope, connect light supply apparatus, image signal processor and ultrasound observation apparatus, and constitute system as a whole.And, general lead 3 is drawn from main body operating unit 1, and in its way, carry out branch, thereby possess with the mode that can load and unload be connected adapter 3a on the light supply apparatus, the adapter 3b that is connected with image signal processor in the mode that can load and unload and the adapter 3c that is connected with ultrasound observation apparatus in the mode that can load and unload.
Main body operating unit 1 can be waited with a hands by the patient and grip, and is provided with angle functional unit 4 and treatment instrument introduction part 5, action buttons such as the water button 6 of supplying gas, attraction button 7 is installed in addition, and possesses various Switch 8.
In Fig. 2 A and 2B, represent the different embodiment of head portion of insertion section 2 respectively, in addition, Fig. 3 represents the top end face structure of the 2c of top hard portion in the insertion section 2.From these figure, can be well understood to, on the top hard 2c of portion, be provided with: endoscopic observation parts, its extended line direction with the axis of the top hard 2c of portion be the place ahead of the 2c of top hard portion as the visual field, and visual angle V with regulation; The ultrasound wave of electronics radial scan formula observation parts, it has circular or circular-arc ultrasonic scanning face W on the position of the base end side in the visual field of these endoscopic observation parts certainly.
Fig. 4 A represents the cross section of the 1st embodiment of the head portion of insertion section 2.Fig. 4 B has represented the cross section of the 2nd embodiment of the head portion of insertion section 2.Can be well understood to from this figure and Fig. 3, the endoscopic observation parts are made of Lighting Division 10 and observation portion 11, and Lighting Division 10 is provided in observation portion 11 is carried out on the position of both sides of clamping.Lighting Division 10 is by constituting with adjoining lighting lens 10a of the top end face of the top hard 2c of portion and photoconduction 10b (with reference to Fig. 5 A～Fig. 8 B), photoconduction 10b is made of fibre bundle, and till extending to the 2c of top hard portion of insertion section 2 from the adapter 3a of general lead 3, its illumination light ejecting end faces the position with lighting lens 10a opposite.On the other hand, observation portion 11 constitutes by object lens 11a with to the prism 11b that carries out 90 ° of bendings from the light path of these object lens 11a, and object lens 11a is located in the lens barrel 12, and prism 11b is fixed on the lens barrel 12.And engaging on prism 11b has solid-state imager 13, is connected with the holding wire of defined amount on the substrate 13a of solid-state imager 13.These holding wires are bundled into a signal of video signal cable 14, and extend to till the adapter 3b of general lead 3.
On the top end face of the 2c of the top of insertion section 2 hard portion, also further be provided with the treatment instrument derivation opening 15 that is used to derive pliers and other treatment instruments, on this treatment instrument is derived with opening 15, connection tube 16 is installed, this connection tube 16 be connected from the slotting siphunculus of the treatment instrument that is arranged on the treatment instrument introduction part 5 on the main body operating unit 1.In addition, treatment instrument is inserted siphunculus to constitute in the inside of main body operating unit 1 and the mode that attracts path to collaborate.In addition, on the top hard 2c of portion nozzle 17 is installed, this nozzle 17 cleans when being used for top end face as the object lens 11a in observation portion 11 by pollutions such as body fluid.In addition, on this nozzle 17, be connected with the washing fluid supply pipe of operating by the water button 6 of supplying gas 9.Therefore, they also bring into play function with the endoscopic observation parts as the mechanism of endoscope that constitutes endoscope.
The endoscopic observation parts are by constituting with upper type, but the head portion that constitutes each member of these endoscopic observation parts is remained on endoscope's installation component 18 regularly.Endoscope's installation component 18 is made of stainless steel and other metal materials, this metal material is formed with a plurality of slotting logical through holes of each member that constitutes described endoscopic observation parts that are used to make, chimeric on this endoscope's installation component 18 have a top end cap 19, and by this top end cap 19, make the endoscope's installation component 18 that constitutes by metal material not be exposed to the outside, constitute the top piece by these endoscope's installation components 18 and top end cap 19.And, as shown in Figure 5, in top end cap 19, on the direction of its thickness, form the two screw 19a of place, in these screws 19a, screw togather and insert limit screw 20, the top of this limit screw 20 is crimped on endoscope's installation component 18, make the interface of endoscope's installation component 18 and top end cap 19 bonding simultaneously, thereby make the top piece that constitutes by endoscope's installation component 18 and top end cap 19 integrated.
The base end side position of the top end cap 19 on the top hard 2c of portion is equipped with the ultrasound wave observation parts that possess radial scanning plane.Shown in Fig. 6 A and 6B, in these ultrasound wave observation parts, a plurality of ultrasonic oscillators 21 are arranged towards the mode of the axis direction of the top hard 2c of portion in a circumferential direction with its transmitting-receiving face, and ultrasonic oscillator 21 is aligned to circle-shaped or circular-arc (for example 270 ° of degree) and carries out electron scanning.
Interior all sides at the ultrasonic oscillator of so arranging 21 are equipped with base material (bed course) 22, at outer circumferential side acoustic lens 23 are installed in addition, shown in Fig. 4 A, constitute ultrasonic transmission/reception unit 24 by these a plurality of ultrasonic oscillators 21 and base material 22 and acoustic lens 23.
In addition, on interior all sides of the ultrasonic oscillator of so arranging 21 bed course 22 is installed, these a plurality of ultrasonic oscillators 21 are fixed on the base material 22 by method such as bonding, thereby constitute the whole ultrasonic oscillator array 123 (with reference to Fig. 4 B) that becomes drum.
In the 1st embodiment (Fig. 4 A, Fig. 5 A, Fig. 6 A, Fig. 7 A, Fig. 8 A) of the head portion of insertion section 2, each ultrasonic oscillator 21 has two electrodes 25,26 respectively, one of them electrode 25 is to the general current electrode 25 of the ultrasonic oscillator 21 of all (perhaps every specified quantities), and another electrode 26 then is because of the different member of each ultrasonic oscillator 21.And, the current electrode 25 of these ultrasonic oscillators 21 and individual electrode 26 respectively be formed on film substrate on the portion of terminal of Wiring pattern be electrically connected.And, shown in Fig. 7 A, in order will to be electrically connected with individual electrode 26 respectively, between the individual electrode 26 of each ultrasonic oscillator 21 and cable 27, be connected with film substrate 28 by the cable 27 that specified quantity constitutes.On the other hand, being connected on the principle of current electrode 25 and cable 27 can be one, though and omit diagram, the connection of this cable is to carry out in the tip side of ultrasonic oscillator 21.In addition, be formed with minor diameter part 22a at the base end side of base material 22, film substrate 28 extends to this minor diameter part 22a, and the individual electrode 26 of each ultrasonic oscillator 21 is connected on the position of this minor diameter part 22a with cable 27.The cable 27 that these ultrasonic signals are used (comprising the cable that current electrode is used) extends to till the adapter 3c that is arranged on the general lead 3, is connected on the ultrasound observation apparatus.
As mentioned above, ultrasonic transmission/reception unit 24 forms the general cylindrical shape shape, and inner circumferential surface forms passage shape path, and each member that constitutes described endoscopic observation parts is inserted the inside that leads to based on the passage shape path of this ultrasonic transmission/reception unit 24.And the base end side of ultrasonic transmission/reception unit 24 docks with coupling member 30, and this coupling member 30 constitutes the linking part of the bight 2b on the top hard 2c of portion.
In the 2nd embodiment (Fig. 4 B, Fig. 5 B, Fig. 6 B, Fig. 7 B, Fig. 8 B) of the head portion of insertion section 2, each ultrasonic oscillator 21 is formed with electrode on table back of the body two sides, and side is promptly docked flexible substrate 124 with the side that bed course 22 engages overleaf, is formed with the Wiring pattern of regulation on this flexible substrate 124.In addition, on flexible substrate 124, be connected with a plurality of cables 125, and this each cable 125 2 base end side prolongs and is provided with towards the insertion section.Thereby the rear side electrode of each ultrasonic oscillator 21 is individual electrode.Here, the radical of cable 125 generally is identical with the number of the ultrasonic oscillator 21 that constitutes ultrasonic oscillator array 123, but also can adopt will be from the formation of distribution short circuit on flexible substrate 124 of a plurality of ultrasonic oscillators 21, thereby also can reduce the radical of cable.In addition, the electrode of the face side of each ultrasonic oscillator 21 is to the general current electrode of all ultrasonic oscillators 21, thus the diagram of omission, but be connected with the single line cable.In addition, under the situation that makes the individual electrode short circuit, current electrode is also general to the ultrasonic oscillator 21 of defined amount, and is provided with current electrode as group on each ultrasonic oscillator 21 of this defined amount, and on each current electrode group connection cable.
As mentioned above, ultrasonic oscillator array 123 forms general drum, and inner circumferential surface becomes passage shape path.Thereby, each member that constitutes the endoscopic observation parts is inserted the inside of the logical passage shape path that is formed by this ultrasonic oscillator array 123, and is fixed on from this ultrasonic oscillator array 123 and is positioned on tip side and the endoscope's installation component 18 by top end cap 19 coverings.And the top ends of ultrasonic oscillator array 123 is docked with this top end cap 19, and base end side docks with coupling member 30 in addition.Coupling member 30 constitutes the linking part of the bight 2b on the top hard 2c of portion.
Be provided with bridge formation member 31 in the inboard of coupling member 30, and the top ring 32a of the square ring (angle ring) 32 of the structure of formation bight 2b is attached on coupling member 30 and the bridge formation member 31., can be clear that from Fig. 8 A and 8B, be to be linked by a plurality of screws 33 between coupling member 30 and bridge formation member 31, and top ring 32a is linked by a plurality of screws 34 for this reason.
In addition, on the connecting portion of top 2c of hard portion shown in Fig. 8 A and 8B and bight 2b, the various members that are introduced into to the insertion section in 2 can be inserted logical, and bring together in addition two photoconduction 10b, signal of video signal cable 14 with, bring into ultrasonic signal about 4 together and insert logically with cable 27 (cable 125), and its section configuration can be arbitrarily.In addition, constitute treatment instrument insert the connection tube 16 on road all and washing fluid supply pipe 9 and, the pipe 43 that is used for supply ultrasound wave transmitting medium to sacculus 41 described later in is exactly these.
The following function of bridge formation member 31 performances, that is, with the coupling member 30 of the base end side that is configured in the 2c of top hard portion together with the banded function of top ring 32a of bight 2b, the ultrasound unit 24 that comprises ultrasonic oscillator array 123 is carried out with the function of the position restriction of the direction of the orthogonal axe of the top hard 2c of portion and to the binding function of the coalition of endoscope's installation portion 18 and top end cap 19.Thereby this bridge formation member 31 is necessary to possess high strength, and is not to be exposed to outside member, is therefore formed by metals such as rustless steels.In addition, as shown in Figure 9, the position that bridge formation member 31 is attached at by screw 33 and 34 on the top ring 32a on the square ring 32 of coupling member 30 and bight 2b becomes cylindrical portion 31a, has many (being three in the present embodiment) armite 31b to extend towards tip side on this cylindrical portion 31a and is provided with.
Thereby, by ultrasonic transmission/reception unit 24 being entrenched on these armites 31b, can carry out location with the direction of its orthogonal axe, by by linking between the top ends of 35 couples of each armite 31b of screw and the endoscope's installation component 18, the whole top 2c of hard portion is fixed under confined state.In addition, at the outer peripheral face section of the being formed with difference 31c of the cylindrical portion 31a of bridge formation member 31, and make the big footpathization of base end side by this section difference 31c.In addition, the inner peripheral surface of coupling member 30 is the section of formation difference 30a also, and makes the diameter of base end side inner peripheral surface become big by this section difference 30a.By this section difference 30a, 31c are engaged, ultrasonic transmission/reception unit 24 is held between top end cap 19 and coupling member 30.And, both ends of the surface and the cardinal extremity face of top end cap 19 and the top end face of coupling member 30 by bonding these ultrasonic transmission/reception unit 24, carry out the location and the spline of the axis direction of ultrasonic transmission/reception unit 24, thereby ultrasonic transmission/reception unit 24 is kept regularly at assigned position.In addition, the exodermis 36 of bight 2b extends to the outer circumferential surface section of the base end side of coupling member 30, and the fixed mechanism 37 of the top ends of this exodermis 36 by being made of kinking and adhesive, is fixed on the coupling member 30 of the 2c of top hard portion.
Here, in body, send ultrasound wave from each ultrasonic oscillator 21 that constitutes ultrasonic transmission/reception unit 24, and the reflective echo of organizing tomography portion of reception ex vivo, but in order to suppress hyperacoustic decay of transmitting-receiving like this, front and back position at the installation portion of clamping ultrasonic transmission/reception unit 24, promptly on the outer peripheral face of top end cap 19 and coupling member 30, be provided with circle shape groove 40,40, and between these two circle shape grooves 40,40, as shown in Figure 2, be equipped with by enclosing the ultrasound wave transmitting medium and carry out expansible sacculus 41.This sacculus 41 is made of the flexible film 41a of tubular, and stop is set at the two ends of this flexible film 41a is installed in stop installing ring 41b in the circle shape groove 40, and this stop installing ring 41b is installed by stop in the mode that circle shape groove 40 is applied the fastening force effect.And, in coupling member 30, be equipped with the row's of the giving path 42 that is used for carrying out the row's of giving action of ultrasound wave transmitting medium, and on this row's of giving path 42, be connected with pipe 43 to the inside of sacculus 41.
By possessing above formation, insertion section 2 is inserted in examinee's the body cavity, from the Lighting Division 10 that constitutes the endoscopic observation parts to body cavity internal radiation illumination light, and by the object lens 11a that is installed in the observation portion 11, make the imaging on solid-state imager 13 of endoceliac picture, obtain endoceliac signal of video signal by this solid-state imager 13, and be sent to image signal processor, in this image signal processor, by the signal processing of stipulating, show image on the monitor of endoscope's image demonstration usefulness.Thereby,, can carry out the splanchnoscopy of relevant body cavity internal state by visual this monitor of watching.
And, when existing pathological changes portion etc. to be concerned about the zone according to this endoscopic result, the ultrasonic transmission/reception unit 24 that constitutes ultrasound wave observation parts is moved to the regional position, opposite of this care.That is,, ultrasonic transmission/reception unit 24 is configured to the position, opposite of being concerned about the zone by making the insertion section predetermined distance that only advances.Then, in sacculus 41, supply with the ultrasound wave transmitting medium, this flexible film 41a is expanded, connect airtight on body cavity walls.Under this state, the ultrasonic oscillator of arranging at circumferencial direction 21 that constitutes ultrasonic transmission/reception unit 24 is moved successively, in body cavity, send ultrasonic pulse, and receive its reflective echo.Here, ultrasonic oscillator 21 also can move successively singly, but postpones to move by making a plurality of ultrasonic oscillators 21 have official hour, can carry out for example electron focusing.Wherein, about the mode that the ultrasonic oscillator 21 that makes a plurality of arrangements carries out electron scanning,, therefore omit its explanation here owing to be known in the past.
As previously discussed, the reflective echo signal that is obtained by each ultrasonic oscillator 21 that constitutes ultrasonic transmission/reception unit 24 is transmitted to ultrasound observation apparatus, and carry out signal processing by this ultrasound observation apparatus, can obtain and comprise the relevant fault information of state of the in-vivo tissue of being concerned about the zone thus.And this ultrasonic tomogram looks like to be presented on the monitor that is attached on the ultrasound observation apparatus.Thus, can diagnose whether containing pathological changes portion etc. in organizing.
About the top hard 2c of portion, dispose each member that constitutes the endoscopic observation parts in interior all sides, dispose each member that constitutes ultrasound wave observation parts at outer circumferential side.And each member that constitutes the endoscopic observation parts is inserted the logical passage shape path that is formed by ultrasonic transmission/reception unit 24, and extends to till the endoscope's installation component 18 and top end cap 19 of the anterior position that is installed in this ultrasonic transmission/reception unit 24.And top end cap 19 has the outside dimension roughly the same with the external diameter of ultrasonic transmission/reception unit 25.Thereby,, can guarantee not by the space that size limited of its passage shape path at front side from ultrasonic transmission/reception unit 25.
And Figure 10 represents the section constitution of the head portion of Lighting Division 10.This Lighting Division 10 is such as already explained, be made of lighting lens 10a and photoconduction 10b, and photoconduction 10b is made of fibre bundle, and himself can be crooked, and cross sectional shape also can be out of shape.And the distolateral specific length part of ejaculation of this photoconduction of insertion 10b uses adhesive to fix in tube head 10c.On the other hand, lighting lens 10a not to lose and the illumination light from photoconduction 10b is penetrated in order to have, and its diameter is greater than the outside dimension of photoconduction 10b.And hole 18a is all inserted at the slotting position of leading to tube head 10c of photoconduction 10b, and wherein said open-work 18a is formed on endoscope's installation portion 18, and lighting lens 10a is installed among the open-work 19a that is formed on the top end cap 19.And from the portion of leading to that inserts to tube head 10c of photoconduction 10b, base end side can Free Transform.
As mentioned above, in the middle of the member that constitutes Lighting Division 10, the thinnest and the crooked and distortion of diameter all freely the position inserted and to be led in the narrowest path of the passage shape path of the inside of so-called ultrasonic transmission/reception unit 24, so Lighting Division 10 can easily pass through passage shape path.In addition, the lighting lens 10a of the member of diameter maximum is positioned at the place ahead of passage shape path in Lighting Division 10, and is installed on the bigger top end cap of external diameter 19, does not therefore worry producing interference with other members.
In addition, the solid-state imager 13 and the substrate 13a thereof of formation observation portion 11 are positioned at the passage shape path inside that is formed by ultrasonic transmission/reception unit 24.Because substrate 13a is the tabular component that has than area, so its plate face sets in the mode towards the axis direction of top hard portion, and is provided near the center of passage shape path the position.On the other hand, object lens 11a and lens barrel 12 thereof be configured in the approaching position of the circumference of the top hard 2c of portion on.Thus, have as object lens 11a and lens barrel 12 thereof and solid-state imager 13 and substrate 13a thereof in the observation portion 11 that difform member forms linking, from the back side of solid-state imager 13, be configured in interior all top ends of the base material 22 that forms passage shape path in the ultrasonic transmission/reception unit 24 to the prism 11b of oblique the place ahead inclination.Thereby, in passage shape path as narrow gap, can dispose the observation portion 11 of the binding structure that so becomes difform member, this configuration does not produce special dead space and than being easier to, and side-prominent to periphery largely on the anterior position of passage shape path, therefore can not be provided with not form interferential mode with ultrasonic transmission/reception unit 24.
As mentioned above, the partial component that constitutes Lighting Division 10 and observation portion 11 is installed by the mode of partly exposing towards the periphery side with the internal diameter from passage shape path, can not make the top 2c of hard portion particle sizeization, and whole members rationally can be installed, thereby can realize the thin footpathization of insertion section 2.In addition, for location in the top hard 2c of portion to carrying out in the direction of its orthogonal axe as the ultrasonic transmission/reception unit 24 that roughly becomes circular member, the slotting bridge formation member 31 that is connected with in the inside of this passage shape path, but should constitute by three armite 31b in a narrow margin in the inboard of ultrasonic transmission/reception unit 24 by the bridge formation member, and avoid constituting treatment instrument and insert the connecting piece 16 or the lens barrel 12 slotting logical positions on road all, and then avoid photoconduction 10b and insert logical position etc., so this armite 31b can not produce obstruction to each member of inserting the formation endoscopic observation parts in the circulation passage shape path.
In a word, as shown in Figure 3, when with the radius at the position of the maximum diameter of the top hard 2c of portion during as R1, in this maximum radius R1, all members that constitute the endoscopic observation parts are positioned at radius R 2, and the radius R 2 of the installation region of these endoscopic observation parts is the positions that do not dispose the top piece of ultrasound wave observation parts.On the other hand, the internal diameter of the passage shape path of accommodating the endoscopic observation parts of ultrasound wave observation parts is R3, but the position of this radius R 3 is in the base end side that becomes the position of maximum radius R2 from the endoscope installation region, becomes R3＜R2.Thereby, can be only with the size of the region S of overlapping (overlap) betwixt radius R 1 thin footpathization with the top hard 2c of portion.
Shown in Fig. 4 B, in the 2nd embodiment, bight 2b links a plurality of square rings 32 as its structure member in the mode of pivotal mounting, and top ring 32a and coupling member 30 and bridge formation member 31 link.And this bight 2b is attached on the bending section 2a, is covered by net and exodermis on square ring 32.This exodermis constitutes as the part of the outer package sleeve pipe 40 that covers the roughly total length from bight 2b to the top hard 2c of portion.In this outer package sleeve pipe 40, its base end part is by coiling or be adhesively fixed on the transition part between bending section 2a and the bight 2b, the position that is provided with in the mode that covers roughly total length from this base end part to bight 2b, exodermis portion 41 performance functions as bight 2b, in addition, in the top hard 2c of portion, cover to constitute ultrasonic oscillator array 23 ultrasonic oscillator 21 what set part is the member of performance acoustic lens 42.
, need possess retractility as exodermis here, then requiring as acoustic lens is the velocity of sound medium slower than organism, and also requires hyperacoustic transmission loss little.For example, silicone rubber possesses such complete characteristic, and therefore as outer package sleeve pipe 40, it is best using silicone rubber.But, except silicone rubber, for example can also use latex rubber or vinyl chloride etc.
In this outer package sleeve pipe 40, the position of exodermis portion 41 has roughly homogeneous thickness in its total length.In addition, for acoustic lens 42, the centre position that its outside becomes the axis direction of ultrasonic oscillator array 23 is the thickest convex arc surface shape of wall.And inner face side becomes drum.In addition, the inner face of outer package sleeve pipe 40 is coated with adhesive, is fixed on the net in exodermis portion 41, and in acoustic lens portion 42, is fixed on the ultrasonic oscillator 21 that is arranged in circumferential shapes or arc surface shape.
Such as previously described, the base end part of outer package sleeve pipe 40 is fixed near the boundary portion of bending section 2a and bight 2b, and top ends extends on the top end cap 19, and is the same as with base end part kinking and bonding fixing on its top end cap 19.Thus, outer package sleeve pipe 40 covers the almost total length from bight 2b to the top hard 2c of portion in insertion section 2.
Thereby shown in Fig. 4 B, the top ends of packing the acoustic lens portion 42 on the sleeve pipe 40 outside is formed with fixed part 43a, and packs the transition part between the exodermis portion 41 harmony lens sections 42 on the sleeve pipe 40 outside, also is formed with kinking and adhesive portion.Be located at fixed part performance on this transition part as the function of the tension force transmission blocking-up 43b of portion.Promptly, if across corner 2b carries out bending operation, then exodermis portion 41 stretches under its influence, and when exodermis 41 stretches, utilize the tension force transmission blocking-up 43b of portion to block so that tension force does not affact tip side, and then the outside shape that prevents acoustic lens portion 42 changes, and keeps making the characteristic as acoustic lens not change.
In addition, in body, send ultrasound wave from each ultrasonic oscillator 21 that constitutes ultrasonic oscillator array 23, and the reflective echo of organizing tomography portion of reception ex vivo, but in order to suppress so hyperacoustic decay of transmitting-receiving, shown in Fig. 2 B, sacculus 44 is installed, and this sacculus can be enclosed the ultrasound wave transmitting medium and expand on the installation portion of ultrasonic oscillator array 23.Sacculus 44 is to be provided with stop installing ring 44b, 44b at the two ends of flexible film 44a.And, about its installation, be in the top hard 2c of portion, to be formed on the locational circle shape groove 46 that is formed near the circle shape groove 45 of the position top of top end cap 19 and the outer package sleeve pipe 40 between its tension force transmission blocking-up 43b of portion harmony lens section 42, make two stop installing ring 44b, 44b engagings of sacculus.And, pack outside in the sleeve pipe 40, in order to form circle shape groove 46, on the outer peripheral face of the coupling member 30 that is provided with in inner face mode, be formed with circular groove 30b along outer package sleeve pipe 40.
In addition, as shown in figure 11, in top end cap 19, at the position that is formed with circle shape groove 45 be fixed with between the position of end of outer package sleeve pipe 40, what have the ultrasound wave transmitting medium gives row mouthfuls 47, and the row of giving that is connected with the ultrasound wave transmitting medium in this row of giving mouthfuls 47 is with pipe 48.
As previously discussed, in insertion section 2, the exodermis of its bight 2b and be installed in acoustic lens on the ultrasonic oscillator array 23 by integrated, as outer package sleeve pipe 40, its base end part is fixed on the boundary portion between bight 2b and the bending section 2a, and top ends is fixed on the outer peripheral face of top end cap 19.Thereby, in insertion section 2, the linking part between bight 2b and the top hard 2c of portion does not expose externally, and the ultrasonic oscillator array 23 that is installed on the 2c of top hard portion does not expose externally yet, covered fully by outer package sleeve pipe 40, therefore can give full play to the sealing function of described each several part.In addition, from the bight 2b of insertion section 2 via to the position of the top hard 2c of portion, chimeric outer package sleeve pipe 40 can carry out the processing of the coating of kinking and bonding agent to three positions of the two ends of this outer package sleeve pipe 40 and the tension force transmission blocking-up 43b of portion, and is good thereby its associativity becomes.
Then, with reference to Figure 12, Figure 13 and Figure 14 the 3rd embodiment of the head portion of insertion section 2 is described.In the 3rd embodiment, each member that constitutes mechanism of endoscope is inserted the inside that leads in ultrasonic transmission/reception unit 24 the passage shape path 25 that the inner peripheral surface by bed course 22 forms, and extend to tip side from ultrasonic transmission/reception unit 24, be fixed on the endoscope's installation component 18 that covers by top end cap 19.In addition, the base end part of endoscope's installation component 18 forms major diameter section differencen part 18a, the head portion that constitutes the acoustic lens 23 of ultrasonic transmission/reception unit 24 extends to anterior position from ultrasonic oscillator 21, thereby be entrenched on the major diameter section differencen part 18a of this endoscope's installation component 18, and by method mounting ultrasonic Transmit-Receive Unit 24 such as bonding.In addition, the base end side of ultrasonic transmission/reception unit 24 docks with coupling member 30, and fixes between it by bonding, and wherein coupling member 30 is attached at by screw 34 on the top ring 32a on the square ring 32 of the structure that constitutes bight 2b.
Can recognize that from Figure 12 in the inside of the insertion section 2 of ultrasonic endoscope, the narrowest position is the installation portion of ultrasonic oscillator array 24, promptly be the position of passage shape path 25 of the inboard of bed course 22.As mechanism of endoscope, constitute prism 11b, solid-state imager 13 and the substrate 13a thereof of observation portion and the head portion of signal of video signal cable 14 and be positioned at herein.Constitute the photoconduction 10b (with reference to Figure 13,14) of Lighting Division and then be connection tube 16, the flow pipe 9 of supplying gas that constitutes the slotting latus rectum road of treatment instrument, be configured in the inside of this bed course 22.Thereby, can be by the thickness of bed course 22, the size of limiting channel shape path 25.But, make the size of this passage shape path 25 become the size that can insert the degree of leading to mechanism of described endoscope.In addition, if the outside dimension of insertion section 2 is set at setting, the thickness of bed course 22 hinders the performance of function sometimes, promptly can not absorb the hyperacoustic reflective echo that sends from the face of an opposite side with hyperacoustic transmitting-receiving face sometimes fully.
Here, the ultrasound wave from ultrasonic oscillator 21 is advanced towards the direction of bed course 22 reflects on the boundary portion of bed course 22 and air layer.In addition, if on bed course 22, dock the acoustic impedance member different, then can also produce reflective echo from this member with it.
According to the above, after each member that will constitute mechanism of endoscope is installed to the inside of passage shape path 25, will fill with molten condition with the packing material 26 of bed course 22 same raw materials.This packing material 26 enters into the gap between each member that constitutes mechanism of endoscope in bed course 22.In addition, for example make and constitute treatment instrument and insert all that connection tube 16 grades on road are docked with bed course 22 and even approaching member departs from from center position.
Like this packing material 26 of filling and bed course 22 identical materials passage shape path 25 in, thus the passage shape path 25 that utilizes 26 pairs of packing materials to be formed with bed course 22 is closely filled and is made it not exist air to be involved in fact.
By above-described formation, when the ultrasonic oscillator 21 from formation ultrasonic transmission/reception unit 24 sent ultrasonic pulses, the ultrasound wave that advances to these bed course 22 sides can not reflect at the inner face of bed course 22, but advances towards the inside of packing material 26.Thereby, even the very thin thickness of bed course 22 can not take place from the reflection of an opposite side with transmitting-receiving face of ultrasonic oscillator 21 yet.
In addition; because the position that is provided with passage shape path 25 is the 2c of top hard portion in the middle of the insertion section 2; even in this position, fill packing material 26 and the fixing member of inserting logical inside; not only can not produce special problem; when even 2 head portion is subjected to impact waiting in the insertion section, also can realize the solid-state imager 13 and the substrate 13a thereof that constitute observation portion and prolong the signal of video signal cable 14 that is provided with protecting from this substrate 13a.And the airtight retentivity that can also realize in the lens barrel 12 etc.
Claims (9)
1. ultrasonic endoscope, in the hard portion of the top of its insertion section, be equipped with endoscopic observation parts and the ultrasound wave observation parts of the place ahead as field of view, wherein, these ultrasound wave observation parts are along the circumferential direction to arrange the ultrasonic oscillator of defined amount and have circle-shaped or circular-arc sweep limits on the peripheral part of this top hard portion, it is characterized in that:
Described ultrasound wave observation parts possess the ultrasonic transmission/reception unit that inner circumferential surface becomes bed course and has the passage shape path of general cylindrical shape shape,
From the unitary portion that sets of this ultrasonic transmission/reception, be equipped with the top piece at the front side of the axis direction of described top hard portion, the fixing top ends that constitutes each member of described endoscopic observation parts on this top piece,
In the piece of described top, a part of member that constitutes described endoscopic observation parts is to be mounted in the mode that the internal diameter from described passage shape path partly exposes towards the periphery side,
Also have the bridge formation member, described bridge formation member is provided with the part that the part of the described endoscopic observation parts that allow to be configured in its inside is exposed on local at least perisporium.
2. ultrasonic endoscope as claimed in claim 1 is characterized in that:
In the piece of described top, the member that the mode of exposing with the inner-diameter portion whose ground from described passage shape path is mounted is a certain at least side in Lighting Division or the observation portion.
3. ultrasonic endoscope as claimed in claim 2 is characterized in that:
Described Lighting Division is made of lighting lens and photoconduction, and the external diameter of described lighting lens exposes from described passage shape passage portion ground, and described photoconduction deforms by described passage shape path the time becomes flat pattern.
4. ultrasonic endoscope as claimed in claim 2 is characterized in that:
For each member that constitutes described endoscopic observation parts is fixed, described top piece is by the endoscope's installation component that forms with metal material and be not exposed to the outside chimeric top end cap of mode with this endoscope's installation component and constitute, the diameter of described Lighting Division or observation portion is increased, make and expose from the inner-diameter portion whose ground of described passage shape path.
5. ultrasonic endoscope as claimed in claim 1 is characterized in that:
Described insertion section has the bight that is connected to described top hard portion, simultaneously
The exodermis in acoustic lens and described bight is installed on the described insertion section as the outer package sleeve pipe of one, and wherein, described acoustic lens is to be mounted to surround the mode of arranging the ultrasonic oscillator array that forms by the ultrasonic oscillator of described defined amount.
6. ultrasonic endoscope as claimed in claim 5 is characterized in that:
Boundary portion constituting between telescopic described exodermis of described outer package and the described acoustic lens is provided with tension force transmission blocking-up portion.
7. ultrasonic endoscope as claimed in claim 5 is characterized in that:
Described endoscopic observation parts are set at the top end face of described top hard portion, have the member of formation that comprises Lighting Division and observation portion at least simultaneously,
Each member of formation of described endoscopic observation parts, be installed in be located in the hard portion of described top and endoscope's installation portion that constitute by metal material on, in the top that constitutes the telescopic described acoustic lens of described outer package, the tip shroud portion of this endoscope's installation portion of integrally formed covering.
8. ultrasonic endoscope as claimed in claim 1 is characterized in that:
Described endoscopic observation parts are arranged on the top end face of described top hard portion, and, have Lighting Division and observation portion at least, simultaneously
In the inside of described passage shape path, insert logical have described endoscopic observation parts and comprise treatment instrument insert circulation passage miscellaneous part mechanism of endoscope and be provided with,
In the inboard of described bed course, in the area of space of the portion that sets that is created on mechanism of described endoscope, enclose the acoustic impedance packing material identical or close with this bed course.
9. ultrasonic endoscope as claimed in claim 8 is characterized in that:
Described packing material is made of the material identical with described bed course, is provided with solid-state imager in described observation portion, and at least a portion of this solid-state imager is buried underground the inside of described packing material.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004199344A JP4618410B2 (en) | 2004-07-06 | 2004-07-06 | Ultrasound endoscope |
| JP2004199344 | 2004-07-06 | ||
| JP2004246274 | 2004-08-26 | ||
| JP2004321587 | 2004-11-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1718165A CN1718165A (en) | 2006-01-11 |
| CN100387200C true CN100387200C (en) | 2008-05-14 |
Family
ID=35794402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100822897A Expired - Fee Related CN100387200C (en) | 2004-07-06 | 2005-07-06 | Ultrasonic endoscope |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4618410B2 (en) |
| CN (1) | CN100387200C (en) |
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| US7976553B2 (en) | 2005-06-13 | 2011-07-12 | Ethicon Endo-Surgery, Inc. | Surgical suturing apparatus with detachable handle |
| JP2007236414A (en) * | 2006-03-03 | 2007-09-20 | Olympus Medical Systems Corp | Ultrasonic endoscope |
| US20080051626A1 (en) * | 2006-08-28 | 2008-02-28 | Olympus Medical Systems Corp. | Fistulectomy method between first duct and second duct, ultrasonic endoscope, catheter with balloon, magnet retaining device, and magnet set |
| CN101366649B (en) * | 2008-10-10 | 2010-06-09 | 乔铁 | Gallbladder protect series endoscope system |
| CN101703415B (en) * | 2008-10-10 | 2011-04-06 | 广州宝胆医疗器械科技有限公司 | Hard ultrasonic gallbladder endoscope system |
| CN102068284B (en) * | 2010-12-30 | 2012-07-25 | 广州宝胆医疗器械科技有限公司 | Hard enteroscope system with color Doppler ultrasonic scanning function |
| CN102008323A (en) * | 2010-12-30 | 2011-04-13 | 广州宝胆医疗器械科技有限公司 | Electronic oviduct lens system having color Doppler ultrasound scanning function |
| CN102068286A (en) * | 2010-12-30 | 2011-05-25 | 广州宝胆医疗器械科技有限公司 | Integrated color Doppler ultrasound electronic falloposcope system |
| CN102008322B (en) * | 2010-12-30 | 2012-07-25 | 广州宝胆医疗器械科技有限公司 | Cholecystoscope system with color Doppler ultrasonic scanning function |
| CN102018534B (en) * | 2010-12-30 | 2012-05-23 | 广州宝胆医疗器械科技有限公司 | Integrated color Doppler ultrasonic electronic bronchoscope system |
| CN102018535A (en) * | 2010-12-30 | 2011-04-20 | 广州宝胆医疗器械科技有限公司 | Integrated color doppler ultrasound electronic laryngoscope system |
| CN102028506A (en) * | 2010-12-30 | 2011-04-27 | 广州宝胆医疗器械科技有限公司 | Integrated color Doppler ultrasound esophagoscope system |
| CN102028502B (en) * | 2010-12-30 | 2012-07-25 | 广州宝胆医疗器械科技有限公司 | Electronic laryngoscope system with color Doppler ultrasound scanning function |
| CN102068285B (en) * | 2010-12-30 | 2012-09-26 | 广州宝胆医疗器械科技有限公司 | Esophagoscope system with color Doppler ultrasound scanning function |
| CN102028505A (en) * | 2010-12-30 | 2011-04-27 | 广州宝胆医疗器械科技有限公司 | Integrated color Doppler ultrasonic cystoscope system |
| CN102028507A (en) * | 2010-12-30 | 2011-04-27 | 广州宝胆医疗器械科技有限公司 | Integrated color Doppler ultrasonic hysteroscope system |
| CN102028503B (en) * | 2010-12-30 | 2012-07-25 | 广州宝胆医疗器械科技有限公司 | Hysteroscope system with color Doppler ultrasonic scanning function |
| JP5830328B2 (en) * | 2011-09-26 | 2015-12-09 | オリンパス株式会社 | Endoscope image processing apparatus, endoscope apparatus, and image processing method |
| JP5404981B1 (en) * | 2012-07-04 | 2014-02-05 | オリンパスメディカルシステムズ株式会社 | Ultrasound endoscope |
| CN103860130A (en) * | 2012-12-13 | 2014-06-18 | 蒋小华 | Novel ultrasonic probe gastroscope exploring tube |
| EP3155952B1 (en) * | 2014-06-10 | 2019-10-02 | Olympus Corporation | Biopsy system |
| DE112016006633T5 (en) * | 2016-03-23 | 2018-12-06 | Olympus Corporation | endoscope |
| WO2018051565A1 (en) | 2016-09-15 | 2018-03-22 | オリンパス株式会社 | Ultrasonic endoscope and ultrasonic endoscope system |
| EP3845131B1 (en) * | 2018-08-27 | 2024-04-24 | FUJIFILM Corporation | Ultrasound endoscope balloon, ultrasound endoscope equipped with same, and production method therefor |
| CN113616302B (en) * | 2021-09-10 | 2023-03-03 | 希罗镜下医疗科技发展(上海)有限公司 | Grabber used under endoscope |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP4618410B2 (en) | 2011-01-26 |
| JP2006020703A (en) | 2006-01-26 |
| CN1718165A (en) | 2006-01-11 |
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