CN108040463A - Endoscope head, endoscope, lid and lid forming method - Google Patents
Endoscope head, endoscope, lid and lid forming method Download PDFInfo
- Publication number
- CN108040463A CN108040463A CN201680033022.5A CN201680033022A CN108040463A CN 108040463 A CN108040463 A CN 108040463A CN 201680033022 A CN201680033022 A CN 201680033022A CN 108040463 A CN108040463 A CN 108040463A
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- CN
- China
- Prior art keywords
- lid
- albarran
- endoscope
- endoscope head
- bars
- Prior art date
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Classifications
-
- 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
-
- 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
- A61B1/00101—Insertion part of the endoscope body characterised by distal tip features the distal tip features being detachable
-
- 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
- A61B1/00131—Accessories for endoscopes
- A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
-
- 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
- A61B1/00163—Optical arrangements
- A61B1/00174—Optical arrangements characterised by the viewing angles
- A61B1/00177—Optical arrangements characterised by the viewing angles for 90 degrees side-viewing
-
- 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
- A61B1/012—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 characterised by internal passages or accessories therefor
- A61B1/018—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 characterised by internal passages or accessories therefor for receiving instruments
-
- 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
- A61B1/00142—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 with means for preventing contamination, e.g. by using a sanitary sheath
Abstract
The present invention relates to a kind of endoscope head (1), it has：Endoscope head main body (11A, 11B), forms at least one service aisle (13) in the main body；Pivotable Albarran bars (2), it is arranged on distal end service aisle end.Control line main body (7,71) is anchored on Albarran bars (2), and by the control line main body, the Albarran bars (2) being supported in endoscope head main body (11A, 11B) can pivot.
Description
Specification
The present invention relates to a kind of endoscope head for including endoscope head main body, wherein, formed with least one service aisle,
Wherein, on the distal side of the endoscope head main body, pivotable Albarran bars are provided with.In addition, the present invention relates to one kind
Endoscope including this endoscope head, a kind of lid for endoscope and a kind of lid forming method.
This endoscope head main body can be used for duodenoscope, i.e. for checking such as oesophagus (esophagus) or 12 fingers
The endoscope of intestines, bile duct, gall-bladder, ductus pancreaticus, pancreas etc..
By duodenoscope, duodenum can be reached by esophagus, stomach and pylorus.
Duodenoscope includes lateral (side) optical system (lighting device and camera).This may make it difficult to be introduced into
Oesophagus is simultaneously advanced it into by oesophagus, because being unable to easily perform " forward direction " observation.Foot is provided only in stomach or duodenum
The distal end of duodenoscope is bent about 90 ° by enough spaces, so as to allow forward viewing.
In addition, in the exit of service aisle, duodenoscope has Albarran bars, it allows to be promoted by pivoting
Pass through the target deflection of the instrument of service aisle.
After usage, duodenoscope is by reprocessing.This reprocessing must reliably prevent all microorganisms, example
Such as, bacterium, virus, fungi, worm and spore, propagation.When reprocessing duodenoscope, cleaning manually first, so as to
Organics removal or chemical residue, without leaving any residue.It is machine sterilization or sterilizing after this cleaning.
The object of the present invention is to provide a kind of endoscope head for including endoscope head main body, it causes organic matter etc. to be difficult to glue
Enclose.In addition, also provide improved endoscope, the lid for endoscope and lid forming method.
The purpose is realized by the endoscope head including endoscope head main body of feature according to claim 1.Into
The advantageous development of one step is the theme of dependent claims.
In the endoscope head of the invention including endoscope head main body, at least one service aisle is formed, it is logical in work
The distal portions in road are provided with pivotable Albarran bars.Draught line main body anchors to Albarran bars and can be used for pivot
Turn the Albarran bars being supported in endoscope head main body.
Therefore, Albarran bars can be pivoted by directly being operated by draught line relative to endoscope head main body.
By this way, the overall structure of endoscope head greatly simplifies.Eliminate with including single pivoting member more
The complicated shape of early Albarran bars is relevant to be difficult to clean undercutting and other passages.In so can more easily cleaning
Sight glass head.The pollution in endoscope head can preferably be removed.Preferably protect patient is remote to be derived from previously used endoscope
The bacterium of head.
In endoscope head, protection cap can be arranged on endoscope head main body and draught line main body on Albarran bars
Between anchorage point, and the draught line main body can extend in protection cap.In endoscope head, the protection cap is formed
The enclosure space for draught line main body from endoscope head main body to Albarran bars.
Hinge body is arranged in the endoscope head main body, and it is hinged that the Albarran bars are hingedly mounted to this
Main body.The near-end of the hinge body can be arranged at endoscope head main body, and the distal end of the hinge body with
The proximal part of Albarran bars can form articulated joint together, and in the articulated joint, Albarran bars can be relative to
Endoscope head main body pivots.Albarran bars can surround hinge body and pivot.This causes simple structure, wherein,
Albarran bars are directly pivoted by the one end for the draught line being located therein.
The proximal part of hinge body and Albarran bars can be surrounded by elastic protective lid.When hinge body and
When the proximal part of Albarran bars pivots, elastic protective lid is also bent.By this way, hinge body and Albarran bars
Any undercutting of proximal part is all not exposed in environment.No matter in not pivot position or in pivot position, bacterium and miscellaneous
Matter all passes through protection cap not towards the proximal part of hinge body and Albarran bars.Preferably, protection cap have quadrangle or
Tubular form.The outer surface of protection cap is easy to clean.Therefore, it might even be possible to more easily reprocess endoscope head.
Hinge body can include the guiding piece of the draught line for draught line main body.Guiding piece can be hidden in hinged master
In vivo.By this way, draught line can be guided safely and can be protected against the influence of the environment in hinge body.
This makes it possible that draught line is not exposed to the structure of any pollution.
In addition, endoscope head can include being suitable for the distal side lid slid on.Service aisle end can be arranged to
It is pivotable relative to lid.Distally installable lid can include corresponding to the open-ended opening of service aisle.
When in the state slided in endoscope head, the installable lid in distal side can surround the distal end of endoscope head
With pivotable service aisle end.Distally installable lid can be adapted to disposable.For example, by cheap silicones
Material is formed.
Endoscope head body relative to the interaction of its pivotable Albarran bars and lid with being used to produce a kind of solution
Certainly scheme, by the solution, the good reprocessing property and encirclement endoscope head main body of the endoscope head body of simple built
Protection cap disposable property combination.
The endoscope of the present invention is provided with above-mentioned endoscope head.
A kind of lid of the invention for being suitable for using in the far-end of endoscope, the endoscope include the head of endoscope
In pivotable Albarran bars, the lid includes：Cylinder with bottom, it has in the side opposite with bottom
Endoscope head insert port；And the window in the circumferential wall of the cylinder.
On lid, in the side opposite with bottom, the cylinder can be included in the locking inside the cylinder
Device.
On lid, in the distal side of bottom, cylinder can be circular, for tested easy to which endoscope head is inserted into
Body.
Lid can be made of plastics.Lid can be made of plastics by 3D printer or ejection formation.
A kind of lid forming method of the invention for being used to form the lid for being suitable for using in the distal end of endoscope, it is described interior
Sight glass is included the pivotable Albarran bars in the head of sight glass, and the lid includes：Cylinder with bottom, its
There is endoscope head insert port in the side opposite with bottom；And the window in the circumferential wall of the cylinder, the method
Including：Form the lid of plastics.Lid can be made of plastics by 3D printer or ejection formation.
It can be combined as aforementioned aspect of the present invention.
Brief description of the drawings
Fig. 1 shows the perspective view of the endoscope head of the invention of the first embodiment in assembled state；
Fig. 2 shows the perspective view of the endoscope head of the invention for the first embodiment that lid is removed；
Fig. 3 shows the sectional perspective view of the endoscope head of the invention of first embodiment when proximally observing；
Fig. 4 shows the sectional perspective view of the endoscope head of the invention of first embodiment when distally observing；
Fig. 5 shows the side view of the endoscope head of the invention of first embodiment, wherein, it is quiet that Albarran bars are in its
Stop bit is put；
Fig. 6 shows the side view of the endoscope head of the invention of first embodiment, wherein, Albarran bars pivot；
Fig. 7 shows the top view of the endoscope head of the invention of the resting position in Fig. 5；
Fig. 8 shows the top view of the of the invention endoscope head similar to the endoscope head in Fig. 7, wherein, it is provided with
Protection pipe 8.
In the following, the present invention is described in detail by embodiment in refer to the attached drawing.
First, referring to figs. 1 to Fig. 8, the construction of the endoscope head of the embodiment of the present invention is described.Fig. 1 to 8 all illustrates this hair
The view of the embodiment of bright endoscope head 1.
Fig. 1 shows endoscope head 1.Endoscope head main body 11 is surrounded by the lid 3 with lateral openings 31.Lateral openings
31 allow to check camera 16 and lighting device 17 and the Albarran bars 2 of endoscope head main body 11.Albarran bars 2 are by drawing
Line 7 operates.
Fig. 2 shows the endoscope head 1 for eliminating lid 3.
Endoscope head 1 includes endoscope head main body 11, and endoscope head main body 11 is by the cylindrical base 11A of nearside and remote
Extreme direction is formed from the matrix 11A extension 11B extended.
Camera 16 and lighting device 17 are arranged in the 11B of extension with the known way being laterally aligned to.Extension 11B
There is circular front surface 14 in distal portion.
At least one service aisle 13, draw for one of draught line 7 line passage 15 and for supporting camera 16 and shining
Circuit of bright device 17 etc. is arranged in cylindrical base 11A.
Service aisle 13 and traction line passage 15 extend in matrix 11A.Guiding is used to grasp in line passage 15 is drawn
Make the draught line 7 of pivotable Albarran bars 2.In service aisle 13 guiding be used for check such as esophagus or duodenum,
The microtool of bile duct, gall-bladder, ductus pancreaticus, pancreas etc..
In the present embodiment, due to space reasons, service aisle 13 and traction line passage 15 can be tilted in matrix 11A
Ground extends.As shown in Figure 3 and Figure 4, a structure can be selected, wherein, service aisle 13 from the nearside of matrix 11A distad radially
Inwardly it is gradually curved so that appear in its approximate centre the distal side of matrix 11A, i.e. substantially in the central axis of endoscope head 1
Place；And the nearside for wherein, drawing line passage 15 from matrix 11A radially-inwardly obliquely runs out to distal side enough, for opposite
In the entrance of the nearside of matrix 11A, formed in the distal side of matrix 11A towards the central axis closer to endoscope head 1.
Matrix 11A has distal surface 18, wherein, extension 11B is integratedly moulded.Pivotable Albarran
Bar 2 point is arranged on distal surface 18 via base projection, and the pivotable Albarran bars are distally parallel to prolonging
Extending portion is divided 11B to extend and be will be described below.
In operation, lid 3 surrounds extension 11B and pivotable Albarran bars 2 and for example, side with engagement
Formula is detachably fixed to the excircle of matrix 11A, which can be placed in endoscope head 1.Lid has as laterally
The opening 31 of open window, at least distal portion of camera 16, lighting device 17 and pivotable Albarran bars 2 is exposed to outer
Portion.On matrix external peripheral surface, matrix 11A can set fluted 12, which extends parallel to the proximal lateral of matrix 11A
And it is suitable for use as the engagement groove of lid 3.Part at its proximal end, lid 3, which has, to be suitable for engaging with groove 12 so that lid 3 is tight
It is affixed to the engagement protrusion 32 of matrix 11A.
Distally extending quadrangle base projection point 41 is arranged in distal surface 18.Base projection point 41
It can screw in, is glued, being pressed into, clamping or being otherwise fastened to distal surface 18.Base projection point 41, which has, is located at base
The radial outside of body protrusion 41 and the distally upper distal end nose (protrusion) 44 being directed toward.Set in distal end nose 44
There is hole 42, the following pins 5 for forming pivotal pin are set in the hole.
In addition, base projection point 41 has traction line passage 43, which is located at base projection point 41
Radially inner side and with the centerline axis parallel of endoscope head 1.Traction line passage 43 is moved radially inwardly relative to hole 42, i.e. court
To the central axis of endoscope head 1.As shown in figure 3, hole 42 extends along perpendicular to the direction that traction line passage 43 is advanced.
Pin 5 is set in one hole 42, as illustrated in Figures 5 and 6.Pin 5 forms the pivot of the pivoting action for Albarran bars 2.
Albarran bars 2 are arranged on the distal side of base projection point 41.Albarran bars 2 have Albarran bar main bodys
21, Albarran bar main bodys include being projected into the Albarran bars protrusion 22 of nearside.
More accurately, Albarran bars protrusion 22 is parallel with two for being formed as side wall and being directed toward along proximal direction
The side extension 27 of traveling.Therefore, Albarran bars protrusion 22 has plug shape.Side extension 27 is in its radial direction
Outside has the hole 26 for pin 5.Base projection is divided to 41 distal end nose 44 to be arranged between two sides extension 27 so that
Hole 26 and 42 is aligned with each other, and pin 5 is coordinated in hole 26 and 42 with slip-proof way.In other words, side extension 27 is with sandwich shape
Mode sets the distal end nose 44 of base projection point 41.Pin 5 can be fixed to the outside of side extension 27 by snap ring.Pin can
It is rotatably disposed in hole 26 and 42.
In addition, Albarran bars 2 have traction line passage 23, its Albarran bars 2 static position parallel to interior
The central axis extension of sight glass first 1.The resting position of Albarran bars 2 is the non-pivoted position of Albarran bars 2, such as Fig. 1-5
It is shown.The side extension 27 of Albarran bars protrusion 22 is in the extension laterally outside of traction line passage 23.Draught line
Passage 23 is aligned with traction line passage 23.Traction line passage 23 is arranged to the through hole in Albarran bars 2.Traction line passage 23 exists
The distal side of Albarran bars 2 has the part of diameter increase.The part of diameter increase is by since the distal side of Albarran bars 2
Hole 28 is caused, and the hole has the diameter than drawing 23 bigger of line passage.Draw line passage 23 and hole 28 is aligned with each other.To hole
The part of the diameter increase of 28 transition position is used as the abutment surface of traction wire terminal 71, which forms draught line
7 distal end.
In Albarran bars 2, traction wire terminal 71 is integrated into traction line end so that draught line 7 is parallel to endoscope
First 1 central axis extension.Traction line end can be formed as connector 71, or alternatively, the diameter for being formed as draught line 7 increases
It is most of, and be arranged in hole 28.
Albarran bars 2 also have service aisle surface 24, in the resting position of the Albarran bars 2 shown in Fig. 1-5
Service aisle 13 is directed into the service aisle surface.Therefore, service aisle face 24 is located at the extension of service aisle 13.Work
Passage surface 24 has what is provided along the extending direction of endoscope head 1 and terminated at the distal end 25 on service aisle surface 24
Bending.Service aisle surface 24 curves inwardly, i.e. it is recessed.
Service aisle 13 is aligned with service aisle surface 24 so that guide line etc. is conducted through service aisle 13
Instrument is lifted by the bending of the service aisle 13 in matrix 11A, and when being promoted further along in a distal direction, its with
The service aisle surface 24 of Albarran bars 2 contacts.
The periphery of base projection point 41 and Albarran bars protrusion 22 is by the close-fitting company as protection cap
Continuous elasticity tube elements 8 cover.Internal stretch of the draught line 7 in tube elements 8.Therefore, tube elements 8 are from the near of base projection points 41
Side forms the quadrangle space of closing to the distal side of Albarran bars protrusion 22.
The lid 3 that can be dismantled from endoscope head main body 11A, 11B is formed as the cylinder with bottom.The bottom of lid 3
In its distal side.When in use, as shown in Figure 1, lid 3 is installed in endoscope head main body 11A, 11B.In the region of bottom,
Lid 3 is circular, to meet for endoscope head 1 to be inserted into the requirement of subject to be checked.
In Fig. 1, lid 3 has the opening 31 for being directed toward observer.When using endoscope head 1, the opening 31 of lid 3 is formed
Lateral open window, for camera 16 and lighting device 17 and the instrument for being conducted through service aisle 13.
At its proximal end, lid 3 has inwardly projecting engagement nose 32 in its whole circumference, referring to Fig. 4；The nose shape
As shown trapezoidal shape, or alternatively, be formed as circular or bent portion.When lid 3 is placed on endoscope head master
When on body 11A, 11B, which can engage with the groove 12 of the matrix 11A of endoscope head main body.
Using/use
Referring to figs. 1 to Fig. 8, the function and application of the endoscope head of the embodiment of the present invention is described below.
Fig. 5 shows the endoscope head for the resting position not pivoted in Albarran bars 2.In the nearside of endoscope, lead
Lead 7 is connected with control elements such as control sticks.In resting position, do not give draught line 7 applying power.
When draught line 7 in nearside when pulled, for example, by pivot lever, traction line end 71 is drawn along proximal direction
It is dynamic.Therefore, the power for acting on proximal direction is applied to Albarran bars 2.Since Albarran bars 2 pass through base projection point 41
On pin 5 be supported on Albarran bars protrusion 22 and pin 5 formed rotation axis, Albarran bars 2 are relative to endoscope
The matrix 11A of head main body is pivoted so that it is moved to endoscope head main body 11A, 11B opposite with the pivot formed by pin 5
Side.
Therefore, in pivoting, Albarran bars protrusion 22 surrounds 5 pivot of pin kept by base projection point 41
Turn.In whole pivoting, outside elastic the covering Albarran bars of tube elements 8 protrusion 22 and base projection point 41
Face.
By the pivoting of Albarran bars 2, the instrument lateral deflection of service aisle 13 is pushed through.
Pivotal orientation is limited in advance by the setting of draught line 7 and the pivot formed by pin 5 in Albarran bars 2.
The pivoting angle of pivotable Albarran bars 2 is determined by the pull distance of draught line 7.The pivot of pivotable Albarran bars 2
Gyration can be more than 90 °, it might even be possible to reach 160 °.
The center for the pin 5 as pivoting member seen in their longitudinal direction is intersected with a plane, draught line 7 and interior is peeped
The central axis of lens bodies 11A, 11B extend in the plane.
Albarran bars 2 are pivotable relative to endoscope head main body 11A, 11B in a manner of very favorable.Pivot on pin 5
The physical configuration of turning point and Albarran bars 2 is chosen in the pivot position of Albarran bars 2, along endoscope head
During the length direction observation of main body 11, the distal end 25 on service aisle surface 24 even can be relative to the pivot 5 of Albarran bars 2
In near-end, with reference to figure 6.
Advantage
Endoscope head 1 easily can be cleaned and reprocessed.For example, with conventional Albarran bars on the contrary, in endoscope
It is not difficult to undercutting or the place reached on first 1.Endoscope head 1 can be flowed readily through for clean flushing liquid, is used for
Remove foreign matter.
For the new opplication of endoscope head 1, new lid 3 is only installed.In this way it is possible to preferably avoid endoscope
Impurity on first 1.Patient is preferably protected away from the bacterium for being derived from the endoscope head previously applied.
Tube elements 8 protect the periphery of matrix protrusion 41 and Albarran bars protrusion 22.Therefore, draught line 7 exists
The inner space 22 of the tube elements 8 extended between base projection point 41 and Albarran bar protrusions not contact environment.Cause
This, draught line 7 is reached without bacterium and impurity.
Bacterium or impurity will not reach draught line 7 at hole 28, because the connector 71 as traction line end abuts against directly
On the part of footpath increase.
The distal end of service aisle in the pivotal end positions of pivotable service aisle element 30, ring-type element 33 can phase
More than 90 ° are pivoted for matrix 11A and extension 11B.By this way, claimant/user has the process range of bigger.
For example, when endoscope head main body is located in the duodenum opposite with the outlet of bile duct, for example, an instrument is being introduced in bile duct
It is very convenient.
Other alternative solutions
In order to which lid is fastened to endoscope head main body 11, describes the engagement nose in endoscope head main body 11 with lid and connect
The groove of conjunction.In order to make lid be engaged with endoscope head main body 11, groove can continuously or be partially disposed on circumference.Can be with
In one or more coupling recess provided circumferentially about of endoscope head main body 11, instead of groove.Then, in the nearside of lid, (connect
What continuous or part was set) engagement nose can replace by radially inwardly projecting one or more protrusions that engage, the engagement
Protrusion adapts to the coupling recess on the circumference of endoscope head main body 11 in position and in shape.Therefore, when lid is pacified
During dress/slip, precise positional relationship of the lid relative to endoscope head main body 11 can be limited in advance.
In the present embodiment, service aisle 13 and traction line passage 15 in matrix 11A from the nearside of matrix 11A radially to
Inside extend to the distal side of matrix 11A so that relative to the entrance of the nearside in matrix 11A, appear in matrix 11A distal side they
Central axis closer to endoscope head 1 moves.In alternative solution, service aisle 13 and/or traction line passage 15 can be
Extend as the crow flies in matrix 11A, the distal end for occurring substantially in matrix 11A is left, as shown in Figure 3 and Figure 4.When Albarran bars
During in its resting position, service aisle 13 is enough the service aisle inner surface 24 for being directed toward Albarran bars 2.Draw line passage
15th, 43 and 23 can extend along a circuit, the line parallel in endoscope head 1 central axis and with by pin 5 towards interior
The pivotal point sufficient distance that the central axis of sight glass first 1 is formed reaches such a degree, i.e. so that for pivoting Albarran
Enough pivot moments of torsion of bar 2 can be generated by draught line 7.
Resetting spring for Albarran bars 2 to be biased to its resting position can be arranged on 41 Hes of base projection point
Between Albarran bars main body 21.
Traction wire terminal 71 can be arranged in Albarran bars 2 so that it cannot be slided in hole 28.With this side
Formula, when draught line 7 has enough rigidity, Albarran bars 2 can endoscope nearside by be pressed into distal side draught line 7
It is placed into its resting position.
Base projection point 41 can have the outer shape of cylinder, and side extension 27 can be outside on the outside
Bending, causes the circular cylindrical external shape of Albarran bars protrusion 22.In addition, stacked elastic tube 8 has cylindrical shape
Shape.
In the hole 28 for the far-end that the traction wire terminal 71 for forming the distal end of draught line 7 is located at Albarran bars 2.Hole 28 can
To be closed in the distal side of Albarran bars 2 by the plug of sealing hole 28.
In this embodiment, pin 5 can be by fixing in the snap ring of the outside of side extension 27.5 rotatable twelve Earthly Branches of pin
Support in the hole 42 of base projection point 41 and in the hole 26 of side extension 27.Alternatively, 5 press-in cooperation of pin is in matrix
In the hole 42 of protrusion 41, and it is pivotally supported in the hole 26 of side extension 27；Or pin 5 is pivotably supported
In the hole 42 of base projection point 41 and in hole 26 of the press-in cooperation in side extension 27.
The present invention is applicable not only to duodenoscope.The principle of the present invention can also be applied to ultrasonic endoscope.
The service aisle that there is Albarran bars in the end of service aisle is shown in embodiment.The present invention can be with
For including the endoscope of several service aisles, each service aisle has an Albarran in the end of service aisle respectively
Bar.
Described alternative solution can in any combinations using and can be applied to all embodiments.
The endoscope of above-described embodiment can be formed as the soft endoscope of intestines and stomach.Endoscope includes operation part and inserts
Enter part.Operation part is in the nearside of endoscope, and insertion portion is in the distal side of endoscope.Operation part (not shown)
Including the operation lever (for example, control stick or simple control-rod) for operating Albarran bars, working channel entrance and it is used for
Control the curved control handle of curvature section of endoscope point.Operation part is connected to video processor, light supply apparatus and display
Device etc..
Insertion portion is long tubular element.The near-end of insertion portion is connected with operation part.In terms of operation part, insertion
Part includes flexible portion, bent portion and lid successively.Flexible portion is elastic.Bent portion is in response to control handle
Operate and bend.In the distal end of bent portion formed with rigid end piece portion.Rigid end piece portion forms so-called endoscope head.
Lid covers endoscope head from the distal side of endoscope head.Lid has the form for the cylinder for being provided with bottom, institute
State cylinder has opening in the side of lid covering endoscope head.Therefore, lid can be easily slid into endoscope head.
Lid is made of such as plastics.
Preferably, for example, lid is made of plastics by 3D printer or ejection formation.Due to by 3D printer or penetrating
Go out shaping manufacture, lid can be manufactured accurately but still with low cost.As long as manufacture method allows accurate and cheap production,
More suitably manufacture method can be used.
Albarran bars are operated by the operation lever of the nearside in endoscope.Draught line attended operation bar and Albarran
Bar.
In endoscope head, draught line is directed in the inside of endoscope, i.e. inside operation part and insertion portion.Example
Such as, as shown in Figure 3 and Figure 4, traction line passage is arranged in endoscope head, for guiding the decline of draught line.Drawing
The distal portions of line passage, draught line are arranged in the traction line passage 23 of the inside of protection cap 8 and Albarran bars.Draught line
End is inserted into hole 28.The end of draught line is sealed in hole 28.More accurately, draught line far-end draught line
Connector 71 is so that the region of traction line passage is sealed in the sealing means insertion hole 28 of nearside by traction wire terminal 71.Due to
This construction, so traction line passage is sealed, and draught line versus environmental is fully sealed.Draw line passage and draught line
Sealing is waterproof.In addition, lid is totally independent of draught line.
Reference numerals list
1 endoscope head
2 Albarran bars
3 lids
5 pins
7 draught lines
8 protection caps
11 endoscope head bodies
11A matrixes
11B extensions
13 service aisles
14 circular front surfaces
Traction line passage in 15 matrixes
16 cameras
17 lighting devices
The distal surface of 18 matrixes
21 Albarran bar main bodys
22 Albarran bar protrusions
The 23 traction line passage in Albarran bars
The service aisle inner surface of 24 Albarran bars
25 distal ends
26 pin holes
27 sides extension
28 hole for drawing wire terminal
31 openings (window)
Engagement (locking) nose (protrusion) of 32 lids
41 base projections point
42 pin holes
The 43 traction line passage in base projection point
44 distal end noses (protrusion)
71 traction wire terminals.
Claims (16)
1. a kind of endoscope head (1), including endoscope head main body (11A, 11B), in the endoscope head, formed with least one
Service aisle (13), wherein, the distal portions of the service aisle are provided with pivotable Albarran bars (2), wherein,
Draught line main body (7,71) anchors to the Albarran bars (2), by the draught line main body, the Albarran bars
(2) it can pivot, while be supported on the endoscope head main body (11A, 11B).
2. endoscope head (1) according to claim 1, wherein,
In the endoscope head main body (11A, 11B) and the draught line main body (7,71) on the Albarran bars (2)
Protection cap (8), and the draught line main body (7,71) extension in the protection cap (8) are provided between anchorage point.
3. endoscope head (1) according to claim 2, wherein,
The protection cap (8) was formed described in being used for from the endoscope head main body (11A, 11B) to the Albarran bars (2)
The enclosure space of draught line main body (7,71).
4. endoscope head (1) according to any one of claim 1 to 3, wherein,
Hinge body (41) is provided with the endoscope head main body (11A, 11B), the Albarran bars (2) are with hinged side
Formula is installed to the hinge body.
5. endoscope head (1) according to claim 4, wherein,
The near-end of the hinge body (41) is arranged on endoscope head main body (the 11A, 11B) place, and the hinge body
(41) distal end forms articulated section together with the proximal part (22) of the Albarran bars (2), described on the articulated section
Albarran bars (2) can be pivoted relative to the endoscope head main body (11A, 11B).
6. endoscope head (1) according to claim 5, wherein,
The proximal part (22) of the hinge body (41) and the Albarran bars (2) is surrounded by the protection cap (8), its
In, the protection cap (8) is elastic.
7. the endoscope head (1) according to any one of claim 4 to 6, wherein,
The hinge body (41) includes the guiding piece (43) of the draught line (7) for the draught line main body (71).
8. the endoscope head (1) according to any one of claim 4 to 6, wherein,
The endoscope head (1) further includes the distal side lid (3) suitable for sliding on
The Albarran bars (2) are pivotally set relative to the lid (3), and
Distal side lid (3) suitable for being slided in the endoscope head includes corresponding to the open-ended opening of service aisle
(31)。
9. one kind includes the endoscope of endoscope head according to any one of claim 1 to 8 (1).
10. a kind of lid (3) used in the far-end of endoscope, the endoscope are included in the head of the endoscope
The Albarran bars (2) that can be pivoted, the lid include：
Cylinder, it is provided with bottom and has endoscope head insert port in the side opposite with the bottom, and
Window (31) in the circumferential wall of the cylinder.
11. lid (3) according to claim 10, wherein,
In the side opposite with the bottom, the cylinder is included in the locking device of the cylinder interior.
12. the lid (3) according to claim 10 or 11, wherein,
In the distal side of the bottom, the cylinder is circular, for being easier the endoscope head being inserted into subject.
13. the lid (3) according to any one of claim 10 to 12, wherein,
The lid (3) is made of plastics.
14. the lid (3) according to any one of claim 10 to 13, wherein,
The lid (3) is made of plastics by 3D printer or ejection formation.
15. a kind of lid forming method for being used to be formed in the lid (3) that the distal end of endoscope uses, the endoscope are included in
The Albarran bars (2) that can be pivoted in the head of the endoscope, the lid (3) include：
Cylinder, it is provided with bottom and has endoscope head insert port in the side opposite with the bottom, and
Window (31) in the circumferential wall of the cylinder；
The described method includes：
Form the lid (3) of plastics.
16. lid forming method according to claim 15, further includes：
The lid (3) of plastics is formed by 3D printer or ejection formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910676792.7A CN110251054B (en) | 2015-08-07 | 2016-08-04 | Cap for use at distal end of endoscope and cap forming method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015113020.3 | 2015-08-07 | ||
| DE102015113020.3A DE102015113020B4 (en) | 2015-08-07 | 2015-08-07 | Endoscope head |
| PCT/EP2016/068662 WO2017025435A1 (en) | 2015-08-07 | 2016-08-04 | Endoscope head, endoscope, cap and cap forming method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910676792.7A Division CN110251054B (en) | 2015-08-07 | 2016-08-04 | Cap for use at distal end of endoscope and cap forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108040463A true CN108040463A (en) | 2018-05-15 |
| CN108040463B CN108040463B (en) | 2021-06-18 |
Family
ID=56611260
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910676792.7A Active CN110251054B (en) | 2015-08-07 | 2016-08-04 | Cap for use at distal end of endoscope and cap forming method |
| CN201680033022.5A Active CN108040463B (en) | 2015-08-07 | 2016-08-04 | Endoscope, cap, and cap forming method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910676792.7A Active CN110251054B (en) | 2015-08-07 | 2016-08-04 | Cap for use at distal end of endoscope and cap forming method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6796080B2 (en) |
| CN (2) | CN110251054B (en) |
| DE (1) | DE102015113020B4 (en) |
| WO (1) | WO2017025435A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017025435A1 (en) | 2017-02-16 |
| JP2018517441A (en) | 2018-07-05 |
| CN110251054B (en) | 2022-06-24 |
| CN108040463B (en) | 2021-06-18 |
| DE102015113020A1 (en) | 2017-02-09 |
| CN110251054A (en) | 2019-09-20 |
| DE102015113020B4 (en) | 2023-10-05 |
| JP6796080B2 (en) | 2020-12-02 |
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