CN207912661U - The endoscope of bendable end with passive bending connection - Google Patents
The endoscope of bendable end with passive bending connection Download PDFInfo
- Publication number
- CN207912661U CN207912661U CN201621423467.8U CN201621423467U CN207912661U CN 207912661 U CN207912661 U CN 207912661U CN 201621423467 U CN201621423467 U CN 201621423467U CN 207912661 U CN207912661 U CN 207912661U
- Authority
- CN
- China
- Prior art keywords
- bending
- endoscope
- passive bending
- section
- connect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model is related to a kind of endoscopes for the bendable end that there is passive bending to connect; including endoscopic main body and with the sequentially connected rigid section of endoscopic main body, controllable bending tune and camera lens; it is connected by passive bending section between the rigid section and controllable bending tune; the passive bending section is tubular structure; including at least five-layer structure; it is respectively the first metal mesh belt braiding layer, Metal Flake spring layer, the second metal mesh belt braiding layer, heavy seal coat and protection layer from the inside to the outside.The utility model increases the bending angle of endoscope during surgery by increasing passive bending section between the rigid section being connect with endoscope and controllable bending tune.
Description
Technical field
The utility model is related to the field of medical instrument technology, and in particular to a kind of Minimally Invasive Surgery endoscope.
Background technology
Endoscope is can be sent into body cavities the important instrument for carrying out macroscopic examination and operative treatment.Applied to gastrointestinal tract
The multiple fields such as inspection, pancreas, the inspection of disease of biliary tract, the urinary tract inspection of disease.It clinically can according to endoscope shank
Change direction to classify, is divided into two kinds of hard mirror and soft lens.Hard mirror is prism optical system, and great advantage is that imaging is clear
It is clear, multiple service aisles can be matched, choose multiple visual angles, it is easy to operate, but there are blind areas.Soft lens is optical fiber optics
System, this fibre opic endoscope maximum feature is camera lens part can be manipulated change direction by patient, expand the range of application, but be imaged
Effect is good not as good as hard mirror effect, and operability is poor, and learning curve is long, and expensive, is easily damaged.
The utility model people has been devoted to improve the design scheme of endoscope according to clinical practice service condition, finds one
Kind imports mirror body in body cavities, and camera lens has the endoscope of good flexibility again.The utility model people is in November, 2003
Apply within 21st Chinese patent application CN200310115365.0, utility model is entitled " Ureter mirror with flexible end ",
Publication No. CN1543907A, a kind of disclosed ureteroscope, mirror body tip designs are at two sections, and by controlling rotary
Joint is connected, to realize that mirror body end can respectively be bent 180 degree to two relative directions.
The utility model people has applied for Chinese patent application CN201310301252.3 on 07 17th, 2013 again, real
It is " Ureter mirror with flexible end of concertina type epitheca " with New Name, publication number CN103393395A discloses one kind
The Ureter mirror with flexible end of concertina type epitheca, including the end of the mirror body of solid structure and flexible structure.Flexible structure
End can completely submerge in rigid scope body, just stretched out from rigid mirror body when carrying out diagnosing and treating operation, and pass through behaviour
Make handle and realizes bending.To endoscope bending angle adjustable extent bigger, more convenient, make ureteroscopic inspection with
Treatment operation becomes safety and is easy.
The advantages of design combination hard mirror and soft lens of above two endoscope, the shortcomings that overcoming hard mirror and soft lens.Nothing
Blind area and easy to operate, mirror downward view is more clear.But clinical effectiveness shows since body cavities type is various and multiple
Miscellaneous, there are the positions that above-mentioned endoscope can not be successfully arrival.Therefore, a kind of, bending angle bigger that there is an urgent need for utility models, cavity are suitable
Should be able to power it is stronger, the higher endoscope of accessibility.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide for reachable in endoscope in vivo cavity
Property it is insufficient, provide a kind of for increasing endoscope bending angle during surgery, increase its adaptability in cavity, peeped in raising
The passive bending apparatus of mirror accessibility.The utility model has simple in structure, easy to use, of low cost, endoscope bending angle
Adjustable extent bigger, more convenient is spent, can smoothly reach complicated body cavities, so that intracavitary inspection is performed the operation with treatment becomes to pacify
It is easy entirely.
To reach above-mentioned purpose of utility model, a kind of endoscope of the bendable end with passive bending connection is provided,
Including endoscopic main body and with the sequentially connected rigid section of endoscopic main body, controllable bending tune and camera lens, the rigid section
It is connect by passive bending section between controllable bending tune, the passive bending section is tubular structure, including at least five layers knot
Structure, respectively the first metal mesh belt braiding layer, Metal Flake spring layer, the second metal mesh belt braiding layer, reinforce protecting from the inside to the outside
Sheath and protection layer.
The utility model point of the utility model is that, changes the knot that conventional rigid section is directly connected to controllable bending tune
Structure, increases by a passive bending section between rigid section and controllable bending tune, and the increase of passive bending section can increase endoscope and exist
Bending angle in operation increases its adaptability in cavity, improves the passive bending apparatus of endoscope accessibility.
The first metal mesh belt braiding layer, Metal Flake spring layer and the second metal mesh belt braiding layer of passive bending section have
Increase intensity, keeps the effect of cross sectional shape；
For Metal Flake spring layer between the first and second metal mesh belt braiding layers, when flexible deformation, can opposing metallic
Guipure braiding layer Relative sliding, to realize bending；
Heavy seal coat, function are to increase intensity, keep the performances such as air-tightness, watertightness.
Protection layer, function are to increase surface brightness, improve appearance.
Further, the endoscope of the bendable end with passive bending connection of the utility model, including endoscope
Ontology and with the sequentially connected rigid section of endoscopic main body, controllable bending tune and camera lens, endoscopic main body, which is internally provided with, to be used for
The control mechanism for controlling the bending of controllable bending tune, is connected between the rigid section and controllable bending tune by passive bending section,
The passive bending section is tubular structure, and control mechanism passes through the bending of control controllable bending tune after passive bending section, described
Passive bending section include at least five-layer structure, from the inside to the outside respectively the first metal mesh belt braiding layer, Metal Flake spring layer,
Second metal mesh belt braiding layer, heavy seal coat and protection layer.
In the present invention, conventional endoscope structure can be used in control mechanism.
Preferably, the second metal mesh belt braiding layer is equipped with the through-hole passed through for control mechanism.
Preferably, the control mechanism includes that the radius of gyration adjusts unit and deflection lens direction adjusting unit, described
The radius of gyration adjust unit include：The intracavitary in endoscopic main body is arranged in control sheet, the control sheet；And control line, institute
It states control line one end to connect with the control sheet, the other end of control line is arranged in rigid section, passive bending section and controlled deflection
In the pore of section；The deflection lens direction adjusts unit：Controller and adjusting line, the controller connection are adjusted
Line can pass through the through-hole of the second metal knitted stratum reticulare.
Preferably, the controller is spill spin block and exchanger axis, and the spill spin block is movably fixed on exchanger axis,
One end of affiliated spill spin block is provided with adjusting knob；The exchanger axis is arranged in the side of the spill spin block, the exchanger axis and institute
State rigid section fitting；And line is adjusted, the adjusting line is arranged at the both ends of the spill spin block, and the adjusting line is through the exchange
Intersect after axis and is connect with rigid section, passive bending section and controllable bending tune.
Preferably, the material of the heavy seal coat is TPU, epoxy resin, silicon rubber or TPE；More preferably black
TPU, guard metal layer are stronger with interception.
Preferably, the material of the protection layer is transparent material, more preferably transparent TPU.
Preferably, further include flexible sheath, the sheath that stretches is circular hollow conduit, is set in the outside of rigid section, and stretch sheath one
End is connect with endoscopic main body.
The design for the concertina type epitheca structure that the utility model uses, can facilitate the disengaging of endoscope, and this epitheca
It is connected with endoscope, the distance that the connected passive bending section of endoscope stretches out in epitheca when use is controllable, convenient for passive curved
Tune is whole.
The utility model by increasing passive bending section between the rigid section being connect with endoscope and controllable bending tune,
Increase the bending angle of endoscope during surgery.
When operation, the distance stretched out in epitheca by controlling passive bending section, the whole controllable bending tune of adjustment appropriate
Curvature, due to the presence of passive bending section, entire controllable bending tune can well adapt to crooked route in cavity, and can be into one
Step improves the curvature of controllable bending tune, is conducive to improve accessibility of the soft lens in cavity.
Description of the drawings
Fig. 1 is the endoscope structure schematic diagram for the bendable end that the utility model has passive bending connection；
Fig. 2 is the sectional view of Section A-A in Fig. 1；
Fig. 3 is the sheath structural schematic diagram that stretches in the utility model；
Fig. 4 compares figure for endoscope (B) curvature of conventional endoscope (A) and the utility model；
Wherein：
The flexible sheath 20- rigid section 21- endoscopic main bodies of 1-
The first metal mesh belts of 221- weave
The passive Metal Flake spring layers of bending section 222- of 22-
Layer
The second metals of 223- leave behind braiding
224- heavy seal coat 225- protection layers
Layer
23- controllable bending tunes
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1
According to a kind of bendable end sight glass with passive bending connection shown in Fig. 1 to Fig. 4, by endoscope and stretch
Sheath 1 forms, the endoscope include endoscopic main body 21 and with the sequentially connected rigid section 20 of endoscopic main body, passive curved
Tune 22 and controllable bending tune 23；The passive bending section from inside to outside can be by least 5 layers of structure composition.Each layer from inside to outside
Structure may respectively be：First metal mesh belt braiding layer 221, the second metal mesh belt braiding layer 223, adds Metal Flake spring layer 222
Strong protective layer 224, protection layer 225, wherein heavy seal coat 224 are black TPU materials, the protection layer 225
For transparent TPU material, there is the through-hole parallel with pore on second layer separation layer 225.Heavy seal coat is alternatively at PU, epoxy
Resin, Teflon, silicon rubber, one or more combinations in the materials such as TPE.Flexible sheath 1 is cylindrical empty cardiac catheter, is set in
The one end in the outside of rigid section 20, flexible sheath is connect with endoscopic main body 21.
As shown in figure 4, the endoscope controllable bending tune bending angle adjustable range of the utility model is -270 degree~+270
It spends (α), passive bending section makes the bending angle of soft lens beyond the range of~+270 degree of -270 degree, and passive bending segment length can
It adjusts, can preferably adapt to cavity, improve the accessibility of soft lens, the endoscope lens of the utility model can smoothly enter kidney
Upper, middle and lower small cup.And traditional endoscope adjustable range only has -180~+180 degree.
Embodiment 2
The structure of the utility model is in combination with the structure application in CN201310301252.3, including control mechanism, wherein
Control structure includes that the radius of gyration adjusts unit and deflection lens direction adjusting unit.It includes control sheet that the radius of gyration, which adjusts unit,
And control line, control sheet are arranged in the cavity of endoscopic main body, control line one end is connect with the control sheet, other end setting
In the pore of rigid section, passive bending section and controllable bending tune.
Deflection lens direction adjusts unit and includes spill spin block, exchanger axis and adjust line, and the spill spin block is movably fixed to
On exchanger axis, described spill spin block one end is equipped with adjusting knob；Exchanger axis is arranged in the side of the spill spin block, the exchanger axis and institute
State rigid section fitting；It adjusts line to be arranged at the both ends of the spill spin block, the adjusting line intersects and is bonded after the exchanger axis
It is arranged in the side hole of the rigid section, passive bending section and controllable bending tune, the second metal is embodied in passive bending section
In through-hole in braiding layer.
The adjusting knob in deflection lens direction adjusts line by shape memory wire of the control in mirror body and passes in and out bendable
Section realizes that the deflection action of endoscope lens, principle be：When the adjusting knob in deflection lens direction in a state of nature when, two
Strip memory wire is adjusted and line end and is recovered in rigid section, at this time can curved segment be not bent, when moving camera lens upwards
When deflecting the adjusting knob in direction, shape memory wire adjust line end enter endoscope can curved segment, and making can curved segment bending.
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 modifications or replacement is made, these equivalent modifications or replacement are all contained in model defined by the application claim
In enclosing.
Claims (8)
1. a kind of endoscope for the bendable end that there is passive bending to connect, including endoscopic main body and and endoscopic main body
Sequentially connected rigid section, controllable bending tune and camera lens, which is characterized in that pass through between the rigid section and controllable bending tune
Passive bending section connection, the passive bending section are tubular structure, including at least five-layer structure, from the inside to the outside respectively first
Metal mesh belt braiding layer, Metal Flake spring layer, the second metal mesh belt braiding layer, heavy seal coat and protection layer.
2. the endoscope of the bendable end according to claim 1 that there is passive bending to connect, which is characterized in that inside peep
Mirror body interior is equipped with the control mechanism for controlling the bending of controllable bending tune, which controls after passing through passive bending section
The bending of controllable bending tune.
3. the endoscope of the bendable end according to claim 2 that there is passive bending to connect, which is characterized in that described
The second metal mesh belt braiding layer be equipped with the through-hole passed through for control mechanism.
4. the endoscope of the bendable end according to claim 2 or 3 that there is passive bending to connect, feature exist
In the control mechanism includes that the radius of gyration adjusts unit and deflection lens direction adjusting unit, the radius of gyration tune
Saving unit includes：The intracavitary in endoscopic main body is arranged in control sheet, the control sheet；And control line, described control line one end
It is connect with the control sheet, the other end of control line is arranged in the pore of rigid section, passive bending section and controllable bending tune；Institute
The deflection lens direction stated adjusts unit：Controller and adjusting line, the controller connection, which adjusts line, can pass through second
The through-hole of metal knitted stratum reticulare.
5. the endoscope of the bendable end according to claim 4 that there is passive bending to connect, which is characterized in that institute
The controller stated is spill spin block and exchanger axis, and the spill spin block is movably fixed on exchanger axis, in one end of affiliated spill spin block
It is provided with adjusting knob；The exchanger axis is arranged in the side of the spill spin block, and the exchanger axis is bonded with the rigid section；And
Adjust line, the adjustings line is arranged at the both ends of the spill spin block, the adjusting line intersects after the exchanger axis and rigid section,
Passive bending section and the connection of controllable bending tune.
6. the endoscope of the bendable end according to claim 1 that there is passive bending to connect, which is characterized in that described
Heavy seal coat material be TPU, epoxy resin, silicon rubber or TPE.
7. the endoscope of the bendable end according to claim 1 that there is passive bending to connect, which is characterized in that described
Protection layer material be transparent TPU.
8. the endoscope of the bendable end according to claim 1 that there is passive bending to connect, which is characterized in that described
Endoscope further includes flexible sheath, and the sheath that stretches is circular hollow conduit, is set in the outside of rigid section, and stretch sheath one end and endoscope
Ontology connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423467.8U CN207912661U (en) | 2016-12-23 | 2016-12-23 | The endoscope of bendable end with passive bending connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423467.8U CN207912661U (en) | 2016-12-23 | 2016-12-23 | The endoscope of bendable end with passive bending connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207912661U true CN207912661U (en) | 2018-09-28 |
Family
ID=63611422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621423467.8U Expired - Fee Related CN207912661U (en) | 2016-12-23 | 2016-12-23 | The endoscope of bendable end with passive bending connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207912661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986281A (en) * | 2021-03-17 | 2021-06-18 | 无锡夕阳康科技有限公司 | Simple endoscope elbow capable of automatically bending |
-
2016
- 2016-12-23 CN CN201621423467.8U patent/CN207912661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986281A (en) * | 2021-03-17 | 2021-06-18 | 无锡夕阳康科技有限公司 | Simple endoscope elbow capable of automatically bending |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106725252A (en) | The endoscope of the bendable end with passive bending connection | |
| US20190246878A1 (en) | Endoscope | |
| ES2901382T3 (en) | Optical coupler for an endoscope | |
| US8512229B2 (en) | Method and apparatus for obtaining endoluminal access | |
| CN103393395A (en) | Ureteroscope with extensible sheath with bendable tail end | |
| CN104902828A (en) | Paranasal sinus access system | |
| CN108309207A (en) | A kind of endoscope that two-way tune is curved | |
| CN104394751B (en) | Arm-and-hand system | |
| CN107088043A (en) | A kind of Dispoable medical endoscope | |
| CN210990142U (en) | Flexible endoscope catheter structure with visual direction capable of being adjusted in multiple directions | |
| CN203709985U (en) | Multifunctional endoscope | |
| CN207912661U (en) | The endoscope of bendable end with passive bending connection | |
| KR100471653B1 (en) | Endoscope system | |
| CN203042208U (en) | Multipurpose ureteroscope | |
| CN111278343A (en) | Direct visualization catheter and system | |
| CN108542469A (en) | Six-dimension force sensor, clamping probe based on image feedback and instrument | |
| CN108618741A (en) | Endoscope | |
| CN209048100U (en) | A kind of cystoscope convenient for operation | |
| CN202497130U (en) | Choledochoscope | |
| CN107334450A (en) | A kind of ultra-fine flexible endoscope is used can tuning sleeve pipe and ultra-fine flexible endoscope | |
| CN107898428A (en) | A kind of rotation mode adjusts the wireless endoscope of angle | |
| CN207937702U (en) | Vitreous excision patient's convalescence device | |
| CN208464197U (en) | A kind of ureter sheath with controlled deflection function | |
| CN207666561U (en) | Endoscope | |
| CN206979469U (en) | A kind of adjustable bladder mirror |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20201223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |