CN208942096U - A kind of nested type Flexible ureteroscope - Google Patents
A kind of nested type Flexible ureteroscope Download PDFInfo
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- CN208942096U CN208942096U CN201820590927.9U CN201820590927U CN208942096U CN 208942096 U CN208942096 U CN 208942096U CN 201820590927 U CN201820590927 U CN 201820590927U CN 208942096 U CN208942096 U CN 208942096U
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- hand holding
- holding handle
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- bendable
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Abstract
The utility model relates to a kind of nested type Flexible ureteroscopes, it passes including being equipped with long fibre shape as rod-shaped fibre scope, interconnected tubulose hand holding handle and the bendable sheath with mirror body, image transmission optical fibre is equipped in the mirror body, the driving steel wire for controlling bendable sheath bending amplitude is equipped in the bendable sheath, the outside wall surface of the hand holding handle is equipped with windowing sliding slot along hand holding handle length direction, sliding set causes curved push handle on the windowing sliding slot, described that curved push handle is caused to be connected to the driving steel wire proximal end, the driving steel wire distal end is fixed with the bendable sheath side wall；The fibre scope is inserted into hand holding handle by the fibre scope jack of the hand holding handle tubular end, in the mirror body insertion bendable sheath.The utility model has the beneficial effects that it is features simple structure, low in cost, easy to operate, without using additional mirror sheath product, can be applied in the various operations that ureteroscope and Flexible ureteroscope are applicable in.
Description
Technical field
The utility model relates to the field of medical instrument technology, specifically kind nested type Flexible ureteroscope.
Background technique
Flexible ureteroscope currently on the market is independent used medical device product, since its mirror body diameter is smaller,
Structure is complicated, and processing and manufacturing technical threshold is higher, so that operation and maintenance is with high costs；In addition ureter in the prior art
Soft lens usually requires to match Flexible ureteroscope sheath when in use, often in the preoperative need to also be in patient since the mirror sheath is thicker
Ureter is built into ureter bracket and carries out ureterectasia.In conclusion there is many disadvantages for existing Flexible ureteroscope technology
End.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, it is inconvenient for use to solve existing ureterorenoscope,
It is cumbersome, the problem of operation sequence complexity.
To achieve the above object of the invention, a kind of nested type Flexible ureteroscope is provided, including is equipped with long fibre shape and passes as using mirror
The rod-shaped fibre scope of body, interconnected tubulose hand holding handle and bendable sheath, the mirror body is interior to be equipped with image transmission optical fibre, the bendable
The driving steel wire for controlling bendable sheath bending amplitude is equipped in sheath, the outside wall surface of the hand holding handle is along hand holding handle length
Direction is equipped with windowing sliding slot, and sliding set causes curved push handle on the windowing sliding slot, and it is close that the curved push handle of cause is connected to the driving steel wire
End, the driving steel wire distal end are fixed with the bendable sheath side wall；The fibre scope passes through the hand holding handle tubular end
Fibre scope jack is inserted into hand holding handle, in the mirror body insertion bendable sheath.
The driving steel wire has proximally and distally both ends, is distally directed towards one end of direction of insertion, proximal end, which is directed towards, to be taken
The one end in direction out.
Fibre scope is equipped with the endoscope head interface coupled with image transmission optical fibre inside mirror body, for exporting image to periphery
Show equipment.
Driving steel wire generally refers to provide the general designation of the silk thread of bending driving for bendable sheath.
Preferably, the windowing sliding slot is blind slot form, and one end of windowing sliding slot towards the bendable sheath, which opens up, to be used for
The threaded hole of steel of connection driving steel wire, the threaded hole of steel extend in bendable sheath side wall entity；The windowing sliding slot bottom, which is set, rubs
Wiping face；It is described that curved push handle bottom is caused to be additionally provided with the elastic-friction convex block for abutting against the rubbing surface.
The threaded hole of steel in bendable sheath side wall entity and hand holding handle side wall entity, generally not with space outside wall or in wall
It is connected, so that unrelated gas or liquid be avoided to enter and leave from threaded hole of steel.
Preferably, the limit raised line that setting is deviate from for limiting the curved push handle of cause at the windowing sliding slot bead.
It causes between the section in curved push handle for connecting the push handle neck of elastic-friction convex block and windowing sliding slot upper limit raised line
The space of formation matches, and elastic-friction convex block or its entity depended on are greater than the width in the space formed between limit raised line,
To realize that the function in elastic-friction convex block abjection windowing sliding slot space is integrally deviate from, prevented to the curved push handle of limitation cause.
Preferably, the elastic-friction convex block is strip protrusion, the length direction and the hand holding handle of the strip protrusion
Length direction it is vertical；Length direction arrangement on the rubbing surface along the hand holding handle is several for accommodating elastic-friction convex block
Strip groove.
The volume of the strip groove matches with strip protrusion, and its length direction and the length direction of strip protrusion are same
To.The strip groove is generally uniformly distributed on the length direction for hold handle.
Preferably, the limiting slot extended along its length is additionally provided on fibre scope；It is logical that screw thread is opened up on the wall of hand holding handle
Hole；The hand holding handle and fibre scope are fixed to each other by the way that bolt is passed through tapped through hole and abuts against realization in limiting slot.
The head of bolt is exposed to outside hand holding handle, the elastic operation convenient for operator to bolt.
Preferably, the water injection hole being connected to bendable sheath tube cavity is additionally provided on the wall of the hand holding handle；Institute's hand holding handle
The sealing ring with fibre scope outside wall surface water-tight fit is equipped with also on inner wall.
The water injection hole being connected to bendable sheath tube cavity that this place refers to, whole realization method are directly to punch hand holding handle
Wall realizes the inner cavity of connection hand holding handle, so as to by the inner cavity of guiding fluid bendable sheath.
Preferably, service aisle is also equipped in the mirror body along its length, on the service aisle and the fibre scope
The instrument inserting port perforation opened up.
Preferably, light source interface, the light source interface and the photograph being wrapped on image transmission optical fibre are additionally provided on the fibre scope
Bright fiber coupling.
By the sliding for causing to be formed between curved push handle and windowing sliding slot, realize that control is loosened in the stretching to driving steel wire；When
It pushes and causes curved push handle, when being allowed to slide in the sliding slot that opens a window, under the traction of driving steel wire, the distal end of bendable sheath is capable of forming
0 ° to 120 ° of bending.
The damping formed between elastic-friction convex block and rubbing surface, so that causing curved push handle that can rest on any windowing sliding slot position
It sets, to realize that the distal end of bendable sheath can rest on any bending angle.
On the one hand limit raised line provides pressure for elastic-friction convex block, on the other hand prevent from causing curved push handle abjection windowing sliding slot
Region.
Strip groove is matched with strip protrusion, and the stability for causing curved push handle to stop is furthermore achieved.
The cooperation of limiting slot, tapped through hole, bolt three, for locking the relative position between fibre scope and hand holding handle.
Water injection hole is used for the effects of cleaning, lubrication are played in the water filling into bendable sheath.The presence of sealing ring makes through filling the water
Hole will not be leaked in hand holding handle with the nested gap of fibre scope when filling the water into bendable sheath.
Instrument inserting port is for being inserted into peripheral surgical instrument, such as laser fiber.
Lighting fiber is used to light being directed to mirror body end.
Fibre scope and flexible epitheca structure are nested combination use, be can be inserted into without using other epitheca products defeated
Urinary catheter.Its application method is: first by the mirror body of mirror body distal end income bendable sheath, and bolt is screwed so that fibre scope with
Relatively fixed between flexible epitheca structure, this nested type Flexible ureteroscope is inserted into patient by the insertion channel through conventional cystoscope
In bladder, then bolt is unscrewed, bendable sheath distal end is stretched out in adjustment mirror body distal end slightly, so that other than image transmission optical fibre therein obtains
Dew, and screwing bolts again find intravesical Ureteral orifice under real-time supervise, and gently rub and promote this nested type ureter
Soft lens.As needed can to fill the water through water injection hole into bendable sheath, gap of the water between mirror body and bendable sheath is flowed through, through bendable
The outflow of sheath pipe end, when mirror body enters in kidney, can cause curved push handle control by adjusting for guaranteeing that endoscopic visual is clear
The bending angle of bendable sheath processed, so that mirror body distal end enters each small cup of kidney, the necessary surgical procedure of row.
The utility model has the beneficial effects that it is features simple structure, low in cost, easy to operate, it is produced without using additional mirror sheath
Product can be applied in the various operations that ureteroscope and Flexible ureteroscope are applicable in.
Detailed description of the invention
Fig. 1 is that the axis of the utility model nested type Flexible ureteroscope surveys assembling schematic diagram；
Fig. 2 is the assembly front schematic view of the utility model nested type Flexible ureteroscope；
Fig. 3 is the curved push handle stereoscopic schematic diagram of cause of the utility model；
Fig. 4 is the curved push handle front schematic view of cause of the utility model；
Fig. 5 is the curved push handle side schematic view of cause of the utility model；
Fig. 6 is the curved push handle of cause and driving steel wire connection schematic diagram of the utility model；
Fig. 7 is the flexible epitheca front view of the utility model；
Fig. 8 is the A-A diagrammatic cross-section of Fig. 7；
Fig. 9 is partial schematic diagram at the G of Fig. 8；
State front schematic view when Figure 10 is the flexible epitheca cooperation driving steel wire stretching, extension of the utility model；
State side schematic view when Figure 11 is the flexible epitheca cooperation driving steel wire stretching, extension of the utility model；
State side schematic view when Figure 12 is the flexible epitheca cooperation driving Wire pulling of the utility model；
Figure 13 is the F-F diagrammatic cross-section of Figure 11；
Figure 14 is the fibre scope entirety front view of the utility model；
Figure 15 is the B-B diagrammatic cross-section of Figure 14；
Figure 16 is the C-C diagrammatic cross-section of Figure 14；
Figure 17 is the stereoscopic schematic diagram of the utility model nested type Flexible ureteroscope；
Figure 18 is partial schematic diagram at the H of Figure 17；
Figure 19 is the bottom view of the utility model nested type Flexible ureteroscope；
Figure 20 is the schematic diagram of conventional cystoscope；
Figure 21 is that the utility model nested type Flexible ureteroscope cooperates conventional cystoscope schematic diagram；
Figure 22 is the front view of conventional cystoscope；
Figure 23 is the E-E diagrammatic cross-section of Figure 22；
Wherein:
The flexible epitheca 1.1- windowing sliding slot 1.1.1- rubbing surface of 1-
1.2- causes curved push handle 1.2.1- push handle neck 1.2.2- arc shaped slider
1.2.3- elastic-friction convex block 1.2.4- drives steel wire 1.3- bendable sheath
1.3.1- threaded hole of steel 1.4- water injection hole 1.5- tapped through hole
1.6- fibre scope jack 1.6.1- sealing ring 2- fibre scope
2.1- mirror body 2.1.1- image transmission optical fibre 2.1.2- lighting fiber
2.1.3- service aisle 2.2- bolt 2.3- light source interface
2.4- endoscope head interface 2.5- instrument inserting port 2.6- limiting slot
3- routine cystoscope 3.1- is inserted into channel
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
A kind of nested type Flexible ureteroscope according to shown in Fig. 1 to Figure 23, including be equipped with long fibre shape and pass as using mirror body 2.1
Rod-shaped fibre scope 2, interconnected tubulose hand holding handle and bendable sheath 1.3, be equipped with image transmission optical fibre in the mirror body 2.1
2.1.1, the driving steel wire 1.2.4 for controlling 1.3 bending amplitude of bendable sheath is equipped in the bendable sheath 1.3, it is described
The outside wall surface of hand holding handle is equipped with windowing sliding slot 1.1 along hand holding handle length direction, and sliding set causes curved push handle on the windowing sliding slot 1.1
1.2, it is described that curved push handle 1.2 is caused to be connected to the proximal end the driving steel wire 1.2.4, the driving steel wire 1.2.4 distally with it is described can
Curved 1.3 side wall of sheath is fixed；The fibre scope 2 is inserted into hand holding handle by the fibre scope jack 1.6 of the hand holding handle tubular end
In, the mirror body 2.1 is inserted into bendable sheath 1.3.The windowing sliding slot 1.1 is blind slot form, 1.1 direction of windowing sliding slot
One end of bendable sheath 1.3 opens up the threaded hole of steel 1.3.1 for connecting driving steel wire 1.2.4, and the threaded hole of steel 1.3.1 is extended to
In 1.3 side wall entity of bendable sheath；1.1 bottom of windowing sliding slot sets rubbing surface 1.1.1；It is described to cause curved 1.2 bottom of push handle
It is additionally provided with the elastic-friction convex block 1.2.3 for abutting against the rubbing surface 1.1.1.It is arranged at 1.1 bead of windowing sliding slot and is used for
The limit raised line that limitation causes curved push handle 1.2 to deviate from.The elastic-friction convex block 1.2.3 is strip protrusion, the strip protrusion
Length direction is vertical with the length direction of the hand holding handle；It is arranged on the rubbing surface 1.1.1 along the length direction of the hand holding handle
Cloth is several for accommodating the strip groove of elastic-friction convex block 1.2.3.The limit extended along its length is additionally provided on fibre scope 2
Position slot 2.6；Tapped through hole 1.5 is opened up on the wall of hand holding handle；The hand holding handle and fibre scope 2 are by passing through screw thread for bolt 2.2
Through-hole 1.5 and abut against in limiting slot 2.6 realize be fixed to each other.Be additionally provided on the wall of the hand holding handle in bendable sheath 1.3
The water injection hole 1.4 of chamber connection；The hand holding handle sealing ring with 2 outside wall surface water-tight fit of fibre scope is equipped with also on inner wall
1.6.1.Service aisle 2.1.3, the service aisle 2.1.3 and the fibre scope 2 are also equipped in the mirror body along its length
On the instrument inserting port 2.5 that opens up penetrate through.Light source interface 2.3, the light source interface 2.3 and packet are additionally provided on the fibre scope 2
The lighting fiber 2.1.2 coupling being rolled on image transmission optical fibre 2.1.1.
The present embodiment is described from another angle to be described as, a kind of nested type Flexible ureteroscope, by flexible outer
Sheath 1, fibre scope 2, two parts composition, flexible epitheca 1 are equipped with: windowing sliding slot 1.1, hand holding handle, rubbing surface 1.1.1 are caused curved
Push handle 1.2, elastic-friction convex block 1.2.3 drive steel wire 1.2.4, bendable sheath 1.3, threaded hole of steel 1.3.1, water injection hole 1.4, spiral shell
Line through-hole 1.5, fibre scope jack 1.6, sealing ring 1.6.1；Fibre scope 2 is equipped with: mirror body 2.1, image transmission optical fibre 2.1.1, illumination
Optical fiber 2.1.2, service aisle 2.1.3, bolt 2.2, light source interface 2.3, endoscope head interface 2.4, instrument inserting port 2.5, limit
Position slot 2.6.
1 proximal end of flexible epitheca is hand holding handle, and the bendable sheath 1.3 of distal end is fixedly connected with hand holding handle and inner cavity phase
It is logical.Can hold in windowing sliding slot 1.1 causes curved push handle 1.2 to slide, and push handle neck 1.2.1 can be matched with windowing sliding slot 1.1, and arc is sliding
Block 1.2.2 can be matched with rubbing surface 1.1.1, and curved 1.2 one end of push handle is caused to be connected with driving steel wire 1.2.4, driving steel wire 1.2.4
It is threaded through in the threaded hole of steel 1.3.1 in bendable sheath 1.3, the distal end driving steel wire 1.2.4 and 1.3 wall of bendable sheath
It is fixedly connected；When sliding causes curved push handle 1.2, under the traction of driving steel wire 1.2.4, the distal end of bendable sheath 1.3 can be done
0 ° -120 ° bending, cause curved 1.2 lower part of push handle to be additionally provided with elastic-friction convex block 1.2.3, elastic-friction convex block 1.2.3 can with open
Rubbing surface 1.1.1 matching in window sliding slot 1.1, so that the strip protrusion on elastic-friction convex block 1.2.3 can rest on any item
In shape groove, to realize that the distal end of bendable sheath 1.3 can rest on any bending angle；The water injection hole 1.4 with can
It is connected to inside bending epitheca 1, for being filled the water into bendable sheath 1.3.The tapped through hole 1.5 is used to match with bolt 2.2,
The bolt 2.2 can be fastened with limiting slot 2.6, for locking the relative position between fibre scope 2 and flexible epitheca 1；Optical fiber
Mirror jack 1.6 for fibre scope 2 to be inserted into from there in flexible epitheca 1, the 2 proximal end outer surface of fibre scope can be set to light
Sealing ring 1.6.1 water-tight fit in fine mirror jack 1.6, when being filled the water through the water injection hole 1.4 into bendable sheath 1.3
It will not leak；The light source interface 2.3 is coupled with the lighting fiber 2.1.2 in mirror body 2.1, for light to be directed to
2.1 end of mirror body, the endoscope head interface 2.4 are coupled with the intracorporal image transmission optical fibre 2.1.1 of mirror, for exporting image to outer
Display equipment is enclosed, service aisle 2.1.3, the service aisle 2.1.3 and instrument inserting port 2.5 are additionally provided in the mirror body 2.1
Perforation connection, for being inserted into peripheral surgical instrument, such as laser fiber.
Fibre scope 2 and flexible epitheca 1 are combined type use, can be inserted into ureter without using other epitheca products,
Its application method is: first distally taking in bendable sheath 1.3 mirror body 2.1, and fixing bolt 2.2 is screwed, so that fibre scope 2
Relatively fixed between flexible epitheca 1, this Flexible ureteroscope is inserted into patient's wing by the insertion channel 3.1 through conventional cystoscope 3
In Guang, then fixing bolt 2.2 is unscrewed, 1.3 end of bendable sheath is stretched out in 2.1 distal end of adjustment mirror body slightly, so that image transmission optical fibre
2.1.1 exposed, and the bolt 2.2 that is tightened again, intravesical Ureteral orifice is found under real-time supervise, and gently rub propulsion
Knockdown Flexible ureteroscope, if needed can to fill the water through water injection hole 1.4 into bendable sheath 1.3, water is from mirror body 2.1 and bendable sheath
Gap between pipe 1.3 is flowed through, through 1.3 end of bendable sheath flow out, for guaranteeing that endoscopic visual is clear, when mirror body 2.1 into
It, can be by adjusting the bending angle for causing curved push handle 1.2 to control 1.3 end of bendable sheath, so that mirror body when entering into kidney
2.1 ends enter each small cup of kidney, the necessary surgical procedure of row.
The preferred embodiment created to the utility model above is illustrated, but the utility model is created not
It is limited to the embodiment described, those skilled in the art can be under the premise of without prejudice to the utility model creative spirit
Various equivalent variation or replacement are made, these equivalent modifications or replacement are all contained in model defined by the claim of this application
In enclosing.
Claims (8)
1. a kind of nested type Flexible ureteroscope is passed including being equipped with long fibre shape as the rod-shaped fibre scope (2) with mirror body (2.1), phase
Intercommunicated tubulose hand holding handle and bendable sheath (1.3), the mirror body (2.1) is interior to be equipped with image transmission optical fibre (2.1.1), the bendable
The driving steel wire (1.2.4) for controlling bendable sheath (1.3) bending amplitude is equipped in sheath (1.3), which is characterized in that institute
The outside wall surface for stating hand holding handle is equipped with windowing sliding slot (1.1) along hand holding handle length direction, and it is curved to set cause for cunning on the windowing sliding slot (1.1)
Push handle (1.2), it is described that curved push handle (1.2) is caused to be connected to driving steel wire (1.2.4) proximal end, the driving steel wire (1.2.4)
Distal end is fixed with bendable sheath (1.3) side wall；The fibre scope (2) is inserted by the fibre scope of the hand holding handle tubular end
Hole (1.6) is inserted into hand holding handle, in mirror body (2.1) insertion bendable sheath (1.3).
2. nested type Flexible ureteroscope according to claim 1, which is characterized in that the windowing sliding slot (1.1) is blind slot
One end of form, windowing sliding slot (1.1) towards the bendable sheath (1.3) opens up the steel for connecting driving steel wire (1.2.4)
Wire hole (1.3.1), the threaded hole of steel (1.3.1) extend in bendable sheath (1.3) side wall entity；The windowing sliding slot (1.1)
Bottom sets rubbing surface (1.1.1)；It is described that curved push handle (1.2) bottom is caused to be additionally provided with the elasticity for abutting against the rubbing surface (1.1.1)
Friction lug (1.2.3).
3. nested type Flexible ureteroscope according to claim 2, which is characterized in that at windowing sliding slot (1.1) bead
It is arranged for limiting the limit raised line for causing curved push handle (1.2) abjection.
4. nested type Flexible ureteroscope according to claim 2, which is characterized in that the elastic-friction convex block (1.2.3)
Length direction for strip protrusion, the strip protrusion is vertical with the length direction of the hand holding handle；The rubbing surface (1.1.1)
On along the hand holding handle length direction arrangement it is several for accommodating the strip grooves of elastic-friction convex block (1.2.3).
5. nested type Flexible ureteroscope according to claim 1, which is characterized in that be additionally provided on fibre scope (2) along its length
Spend the limiting slot (2.6) that direction extends；Tapped through hole (1.5) are opened up on the wall of hand holding handle；The hand holding handle and fibre scope (2) are logical
It crosses that bolt (2.2) are passed through tapped through hole (1.5) and abut against realization in limiting slot (2.6) and is fixed to each other.
6. nested type Flexible ureteroscope according to claim 1, which is characterized in that be additionally provided on the wall of the hand holding handle with
The water injection hole (1.4) of bendable sheath (1.3) inner cavity connection；Institute's hand holding handle is equipped with and fibre scope (2) outer wall also on inner wall
The sealing ring (1.6.1) of face water-tight fit.
7. nested type Flexible ureteroscope according to claim 1, which is characterized in that also set along its length in the mirror body
Have service aisle (2.1.3), the instrument inserting port (2.5) opened up on the service aisle (2.1.3) and the fibre scope (2) passes through
It is logical.
8. nested type Flexible ureteroscope according to claim 1, which is characterized in that be additionally provided with light on the fibre scope (2)
Source interface (2.3), the light source interface (2.3) couple with the lighting fiber (2.1.2) being wrapped on image transmission optical fibre (2.1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820590927.9U CN208942096U (en) | 2018-04-24 | 2018-04-24 | A kind of nested type Flexible ureteroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820590927.9U CN208942096U (en) | 2018-04-24 | 2018-04-24 | A kind of nested type Flexible ureteroscope |
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| Publication Number | Publication Date |
|---|---|
| CN208942096U true CN208942096U (en) | 2019-06-07 |
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ID=66729873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820590927.9U Active CN208942096U (en) | 2018-04-24 | 2018-04-24 | A kind of nested type Flexible ureteroscope |
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| Country | Link |
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| CN (1) | CN208942096U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542340A (en) * | 2018-04-24 | 2018-09-18 | 海纳阳光（北京）医药控股有限公司 | A kind of nested type Flexible ureteroscope |
| CN110063706A (en) * | 2019-05-06 | 2019-07-30 | 刘奇为 | Superfine fibre mirror system and its application method with guide function |
-
2018
- 2018-04-24 CN CN201820590927.9U patent/CN208942096U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542340A (en) * | 2018-04-24 | 2018-09-18 | 海纳阳光（北京）医药控股有限公司 | A kind of nested type Flexible ureteroscope |
| CN108542340B (en) * | 2018-04-24 | 2024-03-12 | 海纳阳光（北京）医药控股有限公司 | Nested ureteral soft lens |
| CN110063706A (en) * | 2019-05-06 | 2019-07-30 | 刘奇为 | Superfine fibre mirror system and its application method with guide function |
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