CN208942216U - A kind of endoscope working sheath for urological surgery - Google Patents

Abstract

The utility model discloses a kind of endoscope working sheaths for urological surgery, the plug axially slid relative including may be disposed in endoscope working sheath, with endoscope working sheath；The silk guide passage, waterflood path and image channel that its front end is extended to from its rear end are provided in plug, endoscope handle is equipped with the seal wire connector, water filling connector and endoscopy joints that seal wire, water and endoscope can be directed respectively into silk guide passage, waterflood path and image channel.Endoscope working sheath and plug enter in human body along seal wire, extract plug out after reaching diseased region, soft lens is put into endoscope working sheath, operation endoscope working sheath and soft lens observe diseased region, cooperation surgical instrument is performed the operation, and method is simple, easily operated.Can be widely applied to renal plevis, in calyceal calculus operation, used as visual ureterectasia sheath, be applicable in but be not limited to angiocarpy intervention, gynaecology, Jia Ru section, neurosurgery and orthopaedics and other do not refer to relevant clinical medical field.

Description

A kind of endoscope working sheath for urological surgery

Technical field

The present invention relates to endoscopic technique fields, in particular to a kind of endoscope working sheath for urological surgery.

Background technique

Endoscope is to have concentrated materialogy, traditional optical, ergonomics, precision machinery, hyundai electronics, mathematics, software Deng in the advanced medical instrument of one, medically using very extensive.Flexible ureteroscope operation in, ureter it is soft in peep Mirror can be entered observation diseased region in vivo with per urethra and be able to cooperate surgical instrument carries out visualization operative treatment in vivo.Face The internal accuracy checked and visualization operative treatment needs the endoscope of image clearly doctor's raising is helped to diagnose on bed, But the existing endoscope for Flexible ureteroscope operation is flexible-pipe endoscope, though human body will not be damaged during surgery, due to Hose, which is hampered after power, to advance difficult, causes hose to be difficult to accurately reach operative site, can not accurately reflect diseased region completely Lesion situation causes surgical procedure not smooth, while increasing operating difficulty, also increases operating time and the pain of patient, Also improve surgery cost.

Summary of the invention

The purpose of the present invention is to solve the deficiency of the above background technology, provide it is a kind of can accurately reach operative site, Reach operative site by visual hard sheath or soft or hard sheath, cooperation surgical instrument perform the operation and rubble can be sucked out and reduce in kidney The endoscope working sheath for urological surgery of pressure.

In order to achieve this, being used for the endoscope working sheath of urological surgery, including endoscope designed by the present invention Handle and endoscope working sheath；It is characterized by: it includes that may be disposed in endoscope working sheath, is opposite with endoscope working sheath Plug in axial sliding；It is logical that the silk guide passage, waterflood path and image for extending to its front end from its rear end are provided in the plug Road, the endoscope handle, which is equipped with, to be directed respectively into silk guide passage, waterflood path and image channel for seal wire, water and endoscope Seal wire connector, water filling connector (seal wire and waterflood path effect are unlimited and can be interchanged) and endoscopy joints (can also be prior Endoscope is solidificated in plug).

Endoscope working sheath can be hard sheath or soft or hard sheath structure.

When the endoscope working sheath is hard sheath, the hard sheath rear end is fixed in endoscope handle, front end is positioned at interior Outside sight glass handle, the hard sheath is provided with the axial straight hole with plug clearance fit along its axial direction.

When the endoscope working sheath is soft or hard sheath, including rear end is fixed in endoscope handle, front end is located at interior peep Hard sheath and rear end and hard sheath front end outside mirror handle are coaxially fixed on integrated soft sheath；The internal diameter and outer diameter of the soft sheath respectively with The internal diameter of hard sheath it is identical with outer diameter (the hard sheath material of soft or hard sheath and the material of soft sheath can be the same or different, soft sheath it is hard Soft degree can be, but not limited to basis and be adjusted around the home in the density of entire soft or hard intrathecal spring wire)；The hard sheath and soft Sheath is provided with the axial straight hole with plug clearance fit along respective axial direction；The endoscope handle is equipped with turn with soft sheath The steering operation mechanism connected to fixation with steel wire.

No matter the endoscope working sheath is soft or hard sheath or hard sheath, the outer surface of working sheath is hydrophilic coating；Interior table Face is made of water wetted material, and effect is the surface lubrication so that working sheath, when working sheath enters human body to human zero damage or Damage is minimum.The inner and outer surfaces processing mode of working sheath is not limited to the mode of the invention.

Further, the front end of the soft sheath is fixedly connected with coaxial locking cap (but being not limited to metal material), Described one end for turning to steel wire is fixed on locking cap, and the other end passes through soft sheath and is fixedly connected with the steering operation machine with hard sheath Structure.

Further, the side of the endoscope handle of the soft or hard sheath is fixedly connected with handle, the steering behaviour It is placed on handle as mechanism, the handle is equipped with multiple gripping grooves corresponding with finger.It is peeped in the hard sheath Not set handle on mirror handle.

It is further preferred that the handle for being fixed on handle jacket side, can be fixed on handle jacket side, But not limited to this fixed form.

Specifically, the rear end cooperation of the endoscope handle is fixed with plug clamping joint, the seal wire connector, water filling connector It is all set on plug clamping joint with endoscopy joints.

Specifically, the endoscope handle includes the handle jacket that middle part is provided with axially extending bore；The axially extending bore includes Positioned at handle jacket front end, hard sheath rear end is made to pass through and fix to the hard sheath straight hole in handle jacket and hard sheath straight hole rear end company Logical handle plug straight hole and the tubaeform taper hole of handle plug that handle jacket rear end is connected to and extended to handle plug straight hole, The plug clamping joint can cooperate the rear end for being fixed on handle jacket.

Specifically, the plug clamping joint includes clamping casing；The front end of the clamping casing is provided with can be with plug The plug positioning counterbore of rear end cooperation, be provided on the inner face of the plug positioning counterbore respectively with silk guide passage, waterflood path Thread eye corresponding with image channel, water injection hole and endoscope hole, the seal wire connector, water filling connector and endoscopy joints difference It is connected to thread eye, water injection hole and endoscope hole；The both side surface of the clamping casing is connected by a snap plate respectively and fixes It is connected with buckle, the snaps into position slot that the rear portion two sides of the handle jacket are respectively equipped with and are clasped.

Preferably, the silk guide passage, the aperture in three channels of waterflood path and image channel are all the same, and the seal wire connects Head, the internal diameter of water filling three connectors of connector and endoscopy joints are all the same；The front end in described image channel can be fixed but unlimited In be fixed with do not influence image effect block glass.

It is further preferred that the silk guide passage, waterflood path and image channel in the plug can be respectively three only Vertical channel, can also share a channel with silk guide passage and waterflood path, and described image channel is another independent channel.It is described Silk guide passage, waterflood path are combined into one, and form an instrument channel bigger than image channel；The instrument channel both can be round Hole can also be irregular curved hole, both the sheath core of entire endoscope working sheath, different, shape difference that there are two pore sizes Channel.

Specifically, the rear end of the handle jacket has been fixedly and coaxially connected catch tray, the center of the catch tray be provided with Handle plug is tubaeform taper hole connection and coaxial catch tray plug via hole, the rear portion of the catch tray are circumferentially connected with flange, The snaps into position slot is set on flange.

Preferably, it is hinged with two connecting rods on the flange, is hingedly connected with and is used between the end of two connecting rods Place the string bag of rubble.

It is further preferred that the side of the handle jacket be fixedly connected be connected to the tubaeform taper hole of handle plug it is negative Attractor interface is pressed, is connected with vacuum suction machine connector corresponding with Negative pressure machine, the negative pressure on the vacuum suction machine interface The water inlet of attractor interface is located at the top of hard sheath straight hole rear end.

Preferably, in the corresponding another side of side vacuum suction machine interface of the handle jacket, another negative pressure can be opened Attractor interface or water injection interface.

It still more preferably, can be in the soft sheath and hard sheath of soft or hard sheath or hard sheath to effectively reduce pressure in the kidney Open several round decompression holes arranged by different modes in head end periphery.

The beneficial effects of the present invention are: plug cooperates existing endoscope in Urology Surgery as a kind of transition guiding device It is used in operation, soft lens can be made accurately to reach diseased region, operation is carried out by soft lens for the later period and is provided the foundation, mainly as Visual ureterectasia sheath is applied in renal plevis, calyceal calculus and other related surgicals, while having in surgical procedure and passing through Negative-pressure ward arranges the fit structure that decompression in stone and kidney passes through plug and working sheath, makes plug and hard sheath or soft or hard sheath group Conjunction enters in human body under visibility status along seal wire, and plug extraction is put into soft lens to diseased region again after reaching predetermined position It is observed, cooperation surgical instrument is performed the operation, and can be sucked out external by rubble by vacuum suction machine interface or be reached The effect of pressure in the kidney is reduced, method is simple, easily operated.The chief component of endoscope working sheath includes: 1, from ribbon gymnastics Make handle, (1-2 interface) with vacuum suction interface, hard sheath or flexible soft or hard sheath；2, carry endoscope path way, The plug of silk guide passage and waterflood path；The string bag of the rubble pumped out in 3 collectable arts.In urological surgery, first Plug and working sheath are combined into one, then (can also in advance will be consolidated endoscope in the image channel of endoscope insertion plug Change in plug), insertion method is similar with the method for existing product, is combined into the soft or hard sheath of visual ureter or hard sheath, so The case where plug and working sheath combination carry out upper sheath, ureter can be observed in real time during upper sheath along seal wire afterwards, Ke Yishi When water filling to wash ureter open, can be with the location of accurate judgement working sheath by observing in real time.On working sheath in place after Extract plug out, upper soft lens carries out conventional Flexible ureteroscope operation, cooperates soft lens observation in the course of surgery.By soft or hard sheath along soft lens It is pushed into renal plevis, kidney calices, the vacuum suction interface that vacuum suction machine is connected to working sheath is matched using the operation handle of working sheath It closes soft lens and enters each kidney calices, start vacuum suction when observing rubble, rubble is sucked out external.Or using the behaviour for moving back mirror Make mode to take calculus in vivo out of.Endoscope working sheath structure of the invention is simple, and it is convenient to cooperate with plug, practical, The case where ureter can be observed in real time by the endoscope in plug in upper sheath operating process, can also be filled the water in real time to wash open The position of ureterostenosis, the accurate working sheath that detects set sheath position, enter providing convenience for mirror for soft lens, soft lens can be accurate to Up to diseased region, cooperate surgical instrument to carry out operation on ureter, reduce patient suffering, while reducing operating difficulty, improves Success rate of operation, reduces operating time, has good market application value and medical value, is applicable in but is not limited to painstaking effort Pipe intervention, gynaecology, Jia Ru section, neurosurgery and orthopaedics and other do not refer to relevant clinical medical field.

Detailed description of the invention

Fig. 1 is the perspective view of hard sheathed endoscope working sheath structure designed by the present invention；

Fig. 2 is the perspective view of hard sheath and the cooperation of plug clamping joint in the present invention；

Fig. 3 is the main view of hard sheathed endoscope working sheath structure designed by the present invention；

Fig. 4 is the cross-sectional view of A-A in Fig. 3；

Fig. 5 is the side view of hard sheathed endoscope working sheath structure designed by the present invention；

Fig. 6 is the cross-sectional view of B-B in Fig. 5；

Fig. 7 is the perspective view of soft or hard sheathed endoscope working sheath structure designed by the present invention；

Fig. 8 is the main view of soft or hard sheathed endoscope working sheath structure designed by the present invention；

Fig. 9 is the cross-sectional view of C-C in Fig. 8；

Figure 10 is the side view of soft or hard sheathed endoscope working sheath structure designed by the present invention；

Figure 11 is the cross-sectional view of D-D in Figure 10；

Figure 12 is the main view of plug clamping joint in the present invention；

Figure 13 is K direction view in Figure 12；

Figure 14 is the main view of plug in the present invention；

Figure 15 is the top view of plug in the present invention；

Figure 16 is the main view of soft or hard sheathed endoscope handle in the present invention；

Figure 17 is the cross-sectional view of E-E in Figure 16；

Figure 18 is the structural schematic diagram of catch tray in the present invention；

Wherein, 1-endoscope handle (1.1-handle jackets, 1.2-catch trays, 1.3-handles), 2-interior peep Mirror working sheath (2.1-hard sheaths, 2.2-soft sheaths), 3-plugs, 4-plug clamping joints (4.1-clamping casings, 4.2-plugs Positioning counterbore), 5-silk guide passages, 6-waterflood paths, 7-image channels, 8-seal wire connectors, 9-water filling connectors, 10-is interior Sight glass connector, 11-steering steel wires, 12-steering operation mechanisms, 13-hard sheath straight holes, the 14-tubaeform taper holes of handle plug, 15-snaps into position slots, 16-thread eyes, 17-water injection holes, 18-endoscope holes, 19-buckles, 20-locking caps, 21-cards Detain disc core stick via hole, 22-flange, 23-connecting rods, the 24-string bags, 25-vacuum suction machine interfaces, 26-gripping grooves, 27-cards Detain connecting plate, 28-locating pieces, 29-flange card slots, 30-vacuum suction machine connectors, 31-handle sealing-plugs, 32-handle cores Stick straight hole.

Specific embodiment

The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.

The endoscope working sheath of urological surgery, including endoscope handle 1, endoscope are used for as shown in Fig. 1-18 Working sheath 2 and the plug 3 that may be disposed in endoscope working sheath 2, slided relatively with endoscope working sheath 2.The manufacture material of plug 3 Material is medical macromolecular materials (but being not limited to high molecular material), has certain plasticity, certain deformation and bending can occur, thus More easily enter and reaches diseased region in human body.

Endoscope working sheath 2 can be hard sheath 2.1 or soft or hard sheath (including hard sheath 2.1 and soft sheath 2.2):

As shown in Fig. 1-6 and Figure 17, hard 2.1 rear end of sheath is fixed in endoscope handle 1, front end is located at endoscope Outside handle 1, the hard sheath 2.1 is provided with the axial straight hole with 3 clearance fit of plug along its axial direction.

As shown in Fig. 7-18, soft or hard sheath includes that rear end is fixed in endoscope handle 1, front end is located at outside endoscope handle 1 Hard sheath 2.1 and rear end and hard 2.1 front end of sheath be coaxially fixed on integrated soft sheath 2.2；The internal diameter and outer diameter of the soft sheath 2.2 It is identical as the internal diameter of hard sheath 2.1 and outer diameter respectively；The hard sheath 2.1 and soft sheath 2.2 are provided with and plug 3 along respective axial direction The axial straight hole of clearance fit；The endoscope handle 1 is equipped with the steering behaviour being fixedly connected with the steering steel wire 11 of soft sheath 2.2 Make mechanism 12.

As shown in Fig. 1-18, the cooperation of 1 rear end of endoscope handle is fixed with plug clamping joint 4.During endoscope handle 1 includes Portion is provided with the handle jacket 1.1 of axially extending bore, and as shown in Figure 16-17, the axially extending bore of handle jacket 1.1 includes being located at handle The hard sheath straight hole 13 of 1.1 front end of sleeve, the handle plug straight hole 32 being connected to hard 13 rear end of sheath straight hole and with handle plug straight hole 32 rear ends are connected to and extend to the tubaeform taper hole 14 of handle plug of 1.1 rear end of handle jacket.The rear end of handle jacket 1.1 is coaxial It is fixedly connected with catch tray 1.2, the side of handle jacket 1.1 is fixedly connected with handle 1.3 and vacuum suction machine interface 25, Vacuum suction machine connector 30 corresponding with Negative pressure machine, as shown in Figure 10, vacuum suction machine are connected on vacuum suction machine interface 25 Interface 25 is connected to the tubaeform taper hole 14 of handle plug and the water inlet of vacuum suction machine interface 25 is located at hard 2.1 top (side of sheath Just rubble enters vacuum suction machine interface 25 from the tubaeform taper hole 14 of handle plug).Vacuum suction machine interface 25 is when not in use Vacuum suction machine connector 30 can be blocked with a plug, be avoided contaminated inside endoscope.

As shown in Figure 17-18, the center of catch tray 1.2 is provided with to be connected to and coaxial with the tubaeform taper hole 14 of handle plug (as shown in figure 17, catch tray plug via hole 21 when not in use, can be sealed catch tray plug via hole 21 with handle sealing-plug 31 It is stifled, avoid contaminated inside endoscope), the rear portion of catch tray 1.2 is circumferentially connected with flange 22, as shown in Fig. 6-10, flange It is hinged with two connecting rods 23 on 22, the string bag 24 for placing rubble is hingedly connected between the end of two connecting rods 23.Handle The taper hole of plug is tubaeform taper hole 14 is both plug 3 is simultaneously and the taper hole of operation soft lens, endoscope can pass through endoscopy joints 10 enter in endoscope working sheath 2.

For soft or hard sheath as shown in Fig. 7-11, endoscope working sheath 2 includes that be fixed on the hard sheath in endoscope handle 1 straight for rear end In hole 13, front end is located at hard sheath 2.1 outside endoscope handle 1 and rear end and integrated soft sheath is coaxially fixed in hard 2.1 front end of sheath 2.2；Hard sheath 2.1 and soft sheath 2.2 are provided with the axial straight hole with 3 clearance fit of plug along respective axial direction.Before soft sheath 2.2 End is fixedly connected with coaxial locking cap 20, and the one end for turning to steel wire 11 is fixed on locking cap 20, and the other end passes through soft Sheath 2.2 is fixedly connected with steering operation mechanism 12 with hard sheath 2.1, and steering operation mechanism 12 is set on handle 1.3, handle Handle 1.3 is equipped with multiple gripping grooves 26 corresponding with finger.

As shown in Figure 14-15, silk guide passage 5,6 and of waterflood path that its front end is extended to from its rear end are provided in plug 3 Image channel 7, as shown in Fig. 8-Figure 12, plug clamping joint 4 includes clamping casing 4.1；It opens the front end of clamping casing 4.1 There is the plug positioning counterbore 4.2 with the cooperation of 3 rear end of plug, as shown in fig. 7, being provided on the rear end face of plug positioning counterbore 4.2 point Thread eye 16 not corresponding with silk guide passage 5, waterflood path 6 and image channel 7, water injection hole 17 and endoscope hole 18, seal wire connects First 8, it fills the water connector 9 and endoscopy joints 10 is connected to thread eye 16, water injection hole 17 and endoscope hole 18 respectively, silk guide passage 5, Waterflood path 6 and image channel 7 are distributed in plug 3, and the channel aperture in three channels is all the same, and seal wire connector 8, water filling connect First 9 and endoscopy joints 10 3 connectors size it is also identical, and image channel 7 is fixedly arranged at the front end with glass to avoid endoscope It is contaminated after in into human body.Seal wire connector 8 and water filling connector 9 are generally applicable, and further increasing makes endoscope in operation With efficiency, reduce operating time；As shown in figure 11, the both side surface for being clamped casing 4.1 passes through one piece respectively and snaps connection Plate 27 is fixedly connected with a buckle 19.As shown in Figure 12 and 18, flange 22 is equipped with snaps into position slot 15, snaps into position slot 15 It is made of four locating pieces 28 and flange 22 that are set to 22 two sides of flange, it is fixed that the gap between two locating pieces 28 forms buckle Position slot 15, after buckle 19 is positioned on flange 22, then the flange card slot 29 for buckling 19 is engaged by clamping with flange 22 Positioning of the buckle 19 on flange 22 can be realized.Plug 3 can realize positioning in plug clamping joint 4, then along seal wire into Sheath operates on row, and after plug 3 and the arrival surgery location of endoscope working sheath 2, plug 3 can be peeped with plug clamping joint 4 with interior again Mirror handle 1 separates, and realizes the disassembly of plug 3.Positioning and the convenient disassembly of plug 3 are realized by plug clamping joint 4, it is artificial to grasp Make simply, and had the following advantages in the practical application of surgical procedure: the feelings of ureter can be observed in real time during upper sheath Condition, can also fill the water in real time to wash ureter open, can position to arrive on accurate judgement sheath by observing in real time.On sheath in place Extract plug 3, upper soft lens row routine Flexible ureteroscope operation out afterwards.Cooperation soft lens observation in the course of surgery, by soft or hard sheath along soft Mirror is pushed into renal plevis, kidney calices, and the vacuum suction interface that vacuum suction machine is connected to sheath is bent sheath using the operation handle of sheath The soft sheath section in front end, cooperation soft lens enter each kidney calices, and soft lens starts vacuum suction when observing rubble, and rubble is sucked out or is adopted Calculus is taken out of in vitro with the mode for moving back mirror.

The application method of endoscope working sheath designed by the present invention is: in Ureteroscopy, plug 3 being peeped with interior Mirror working sheath 2 is combined into one, plug clamping joint 4 and endoscope handle 1 are combined into one (or not by plug clamping joint 4 with Endoscope handle 1 combines, and carries out water flood operations by a human hand held plug clamping joint 4, and another human hand held endoscope handle 1 makes interior Sight glass working sheath 2 enters in human body and controls the trend of endoscope working sheath, and two people, which operate separately, reduces operating difficulty, increases Procedure efficiency), it (will can also be solidificated in endoscope path way), combine in advance in the image channel 7 of endoscope insertion plug 3 At visual ureter working sheath structure, then seal wire is inserted into the silk guide passage 5 of plug 3, plug 3 and endoscope working sheath 2 combination imports operative site by seal wire, can be real-time during the group of plug 3 and endoscope working sheath 2 closes sheath The case where observing ureter, when the power that is hampered can by waterflood path 6, water filling is in real time to wash ureter open, by observing tune in real time The position of whole seal wire and endoscope working sheath 2 makes endoscope working sheath 2 accurately reach surgery location, arrives in endoscope working sheath 2 Plug 3 is extracted out after up to operation position, soft lens is inserted into endoscope working sheath 2, carries out conventional Flexible ureteroscope operation.It was performing the operation The position for adjusting soft lens in journey by operation steering operation mechanism 12, makes soft or hard sheath enter renal plevis, kidney calices and can position, soft lens is matched It closes surgical instrument to smash the calculus in renal plevis, kidney calices, vacuum suction machine connector 30 is connected into Negative pressure machine, when soft lens is observed Start Negative pressure machine when to rubble, while soft lens front end being made to exit soft sheath 2.2, rubble is sucked out by body by the negative pressure in soft sheath 2.2 Outside, it is manually placed in the string bag 24, unified cleaning is carried out to the rubble in the string bag 24 after operation.It is interior designed by the present invention The structure of sight glass combination plug 3 and plug clamping joint 4 can make soft lens accurately reach operative site, and cooperation surgical instrument carries out urine output Pipe operation, easy to operate, surgery location is accurate, reduces the amount of bleeding of patient, reduces the operation pain of patient, improves simultaneously Procedure efficiency and success rate.

The above described is only a preferred embodiment of the present invention, not being done in any form to structure of the invention Limitation.Any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, In the range of still falling within technical solution of the present invention.

Claims (12)

1. a kind of endoscope working sheath for urological surgery, including endoscope handle (1) and endoscope working sheath (2)； It is characterized by: it further includes that may be disposed in endoscope working sheath (2), axially slide relative with endoscope working sheath (2) Plug (3)；The silk guide passage (5), waterflood path (6) and image that its front end is extended to from its rear end are provided in the plug (3) Channel (7), the endoscope handle (1), which is equipped with, can be directed respectively into seal wire, water and endoscope silk guide passage (5), water filling is led to Road (6) and the seal wire connector (8) of image channel (7), water filling connector (9) and endoscopy joints (10), the endoscope working sheath (2) rear end is fixed in the front end of endoscope handle (1).

2. a kind of endoscope working sheath for urological surgery as described in claim 1, it is characterised in that: peeped in described Mirror working sheath (2) is hard sheath (2.1), and hard sheath (2.1) rear end is fixed in endoscope handle (1), front end is located at endoscope Outside, the hard sheath (2.1) is provided with and the axial straight hole of plug (3) clearance fit handle (1) along its axial direction.

3. a kind of endoscope working sheath for urological surgery as described in claim 1, it is characterised in that: peeped in described Mirror working sheath (2) is soft or hard sheath, is fixed in endoscope handle (1) including rear end, front end is located at endoscope handle (1) outside hard Integrated soft sheath (2.2) is coaxially fixed in sheath (2.1) and rear end and hard sheath (2.1) front end；The internal diameter of the soft sheath (2.2) and outer Diameter is identical as the internal diameter of hard sheath (2.1) and outer diameter respectively；The hard sheath (2.1) and soft sheath (2.2) are opened along respective axial direction Have and the axial straight hole of plug (3) clearance fit；The endoscope handle (1) is equipped with the steering steel wire with soft sheath (2.2) (11) the steering operation mechanism (12) being fixedly connected.

4. a kind of endoscope working sheath for urological surgery as claimed in claim 3, it is characterised in that: the soft sheath (2.2) front end is fixedly connected with coaxial locking cap (20), and locking cap is fixed in described one end for turning to steel wire (11) (20) on, the other end passes through soft sheath (2.2) and is fixedly connected with the steering operation mechanism (12) with hard sheath (2.1).

5. a kind of endoscope working sheath for urological surgery as claimed in claim 4, it is characterised in that: peeped in described The side of mirror handle (1) is fixedly connected with handle (1.3), and the steering operation mechanism (12) is set to handle (1.3) on, the handle (1.3) is equipped with multiple gripping grooves (26) corresponding with finger.

6. a kind of endoscope working sheath for urological surgery as claimed in claim 2 or claim 3, it is characterised in that: described Endoscope handle (1) includes the handle jacket (1.1) that middle part is provided with axially extending bore；The axially extending bore includes being located at handle jacket (1.1) front end, make hard sheath (2.1) rear end pass through and fix to the hard sheath straight hole (13) in handle jacket (1.1), with hard sheath straight hole (13) the handle plug straight hole (32) of rear end connection and after being connected to handle plug straight hole (32) and extending to handle jacket (1.1) The tubaeform taper hole of handle plug (14) at end, the rear end of the handle jacket (1.1), which can cooperate, is fixed with plug clamping joint (4), The seal wire connector (8), water filling connector (9) and endoscopy joints (10) are all set on plug clamping joint (4).

7. a kind of endoscope working sheath for urological surgery as claimed in claim 6, it is characterised in that: the plug Clamping joint (4) includes clamping casing (4.1)；The front end of clamping casing (4.1) is provided with and can cooperate with plug (3) rear end Plug positioning counterbore (4.2), be provided on the inner face of the plug positioning counterbore (4.2) respectively with silk guide passage (5), water filling Channel (6) and the corresponding thread eye (16) of image channel (7), water injection hole (17) and endoscope hole (18), the seal wire connector (8), connector (9) are filled the water and endoscopy joints (10) is connected to thread eye (16), water injection hole (17) and endoscope hole (18) respectively； The both side surface of clamping casing (4.1) is connected by a snap plate (27) respectively and is fixedly connected with buckle (19), the hand The rear portion two sides of sleeve cylinder (1.1) are respectively equipped with the snaps into position slot (15) with buckle (19) cooperation.

8. a kind of endoscope working sheath for urological surgery as claimed in claim 7, it is characterised in that: the handle The rear end of sleeve (1.1) has been fixedly and coaxially connected catch tray (1.2), and the center of the catch tray (1.2) is provided with and handle plug Tubaeform taper hole (14) is connected to and coaxial catch tray plug via hole (21), the rear portion of the catch tray (1.2) are circumferentially connected with Flange (22), the snaps into position slot (15) are set on flange (22).

9. a kind of endoscope working sheath for urological surgery as claimed in claim 8, it is characterised in that: the flange (22) it is hinged with two connecting rods (23) on, the net for placing rubble is hingedly connected between the end of two connecting rods (23) Pocket (24).

10. a kind of endoscope working sheath for urological surgery as claimed in claim 6, it is characterised in that: the hand The side of sleeve cylinder (1.1) is fixedly connected with the vacuum suction machine interface (25) being connected to the tubaeform taper hole of handle plug (14), Vacuum suction machine connector (30) corresponding with Negative pressure machine, the vacuum suction machine are connected on the vacuum suction machine interface (25) The water inlet of interface (25) is located at the top of hard sheath straight hole (13) rear end.

11. a kind of endoscope working sheath for urological surgery as described in claim 1, it is characterised in that: the core Silk guide passage (5) and waterflood path (6) in stick (3) share a channel, and described image channel (7) are that individually another is logical Road.

12. a kind of endoscope working sheath for urological surgery as described in claim 1, it is characterised in that: the core Silk guide passage (5), waterflood path (6) and image channel (7) in stick (3) are respectively three autonomous channels.