CN202497130U - Choledochoscope - Google Patents
Choledochoscope Download PDFInfo
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- CN202497130U CN202497130U CN2012201091273U CN201220109127U CN202497130U CN 202497130 U CN202497130 U CN 202497130U CN 2012201091273 U CN2012201091273 U CN 2012201091273U CN 201220109127 U CN201220109127 U CN 201220109127U CN 202497130 U CN202497130 U CN 202497130U
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Abstract
The utility model relates to a medical surgical mirror, in particular to a choledochoscope used for cholelithotomy of a minimally invasive surgery. The choledochoscope comprises a mirror tube, wherein one end of the mirror tube is provided with an objective, the other end of the mirror tube is connected with a body, an imaging channel, an instrument channel and a liquid channel parallel to one another are arranged in the mirror tube, the objective is arranged at the end of the imaging channel, a lighting light transmitting bundle and a refractor are arranged in the imaging channel, a light transmitting bundle interface, an instrument inlet and an observation mirror tube are arranged on the body, the liquid channel is connected with a water inlet, and the water inlet is arranged on the body. The utility model provides the choledochoscope which has simple structure, can be conveniently used in conjunction with instruments and is convenient to observe. By utilizing the choledochoscope, the technical problems of the choledochoscope in the prior art is complex in structure, incapable of being used in conjunction with surgical instruments and inconvenient for observation are solved.
Description
Technical field
This utility model relates to a kind of medical operation mirror, relates in particular to a kind of gallbladder of protecting and gets the choledochoscope in the Minimally Invasive Surgery of stone.
Background technology
Traditional view thinks that gallbladder does not have critical function, and is not essential, and or else the excision gallbladder just possibly recur cholelithiasis, also or else with having worried the polyp canceration, so cholecystectomy is considered to treat cholelithiasis, the optimal method of cystic polyp gradually.But along with the development of medical science and the transformation of Wicresoft's theory, the important physiological function of gallbladder is like 1. storage function; 2. contractile function; 3. concentrating function; 4. secretory function; 5. immunologic function; 6. digestive function there is material impact; 7. there is important regulatory role etc. gradually to obtain people's attention to the biliary tract fluid pressure.Moreover patient just can " sleep without any anxiety " behind the gallbladder removal, because the excision gallbladder can cause a series of adverse consequences, comprising: 1. dyspepsia; 2. Digestive system backflows: reflux gastritis, reflux esophagitis; 3. the choledocholithiasis incidence rate increases; 4. the bile duct injury rate increases; 5. the colon cancer incidence rate increases; 6. postcholecystectomy mental maladjustment; 7. postcholecystectomy syndrome etc.Cholecystectomy slowly begins to have been shaken as the goldstandard of treatment cholelithiasis.Therefore now the treatment of gallbladder is more and more paid attention to by the people, choledochoscope is mainly used in the treatment of gallstone disease.The structure of some choledochoscopes is also disclosed in present open file; Like Chinese patent: " getting stone choledochoscope (CN201542684U) "; Get the stone flap valve by hard shank and SANYE and constitute, be provided with luminous source optical fiber, photographic head and optical fibers in the described hard shank, it is crooked that the hard shank is 120 degree angle arc transition in the axial direction; Be provided with expansion link in the hard shank vertically; The root that SANYE is got the stone flap valve is arranged on the front end of hard shank through hinge arrangement, and the middle part that SANYE is got the stone flap valve is connected with the front end of expansion link, and the rear end of expansion link is connected with a draft arm; Draft arm is connected with a control handle through bearing pin, and control handle is arranged on the hard shank through bearing pin.This utility model is got SANYE on the hard shank that the stone flap valve is combined in choledochoscope, gets the grasping movement of stone flap valve to calculus in the biliary tract through expansion link and draft arm control SANYE, and choledochoscope provides the operation visual field, and the hard shank is convenient to control direction.But the structure of this choledochoscope is too complicated.Like Chinese patent: " a kind of novel choledochoscope (CN202036196U) ", it is made up of camera lens, tailstock, conduit, irrigation of biliary tube water pipe, light source interface; Camera lens is arranged on an end of tailstock, and the other end of tailstock is provided with conduit, is provided with the irrigation of biliary tube water pipe in the conduit, and the upper end of tailstock is provided with light source interface.This being not easy to observed, and can not be used with apparatus.
Summary of the invention
It is a kind of simple in structure that this utility model provides, and can easily be used with apparatus, the convenient choledochoscope of observing; Solved the complex structure of the choledochoscope that exists in the prior art, can not be used operating theater instruments, the technical problem of being inconvenient to observe.
This utility model also provides a kind of water yield big simultaneously, the rational choledochoscope of each channel arrangement; The water yield that has solved the choledochoscope that exists in the prior art is not enough, the technical problem that water inlet, observation and instrument channel can not be arranged simultaneously.
The above-mentioned technical problem of this utility model solves through following technical proposals: a kind of choledochoscope; Comprise the mirror pipe, an end of mirror pipe is provided with object lens, is connected with main body at the other end of mirror pipe; It is characterized in that: be provided with imaging passage, instrument channel and the fluid passage that is parallel to each other in the described mirror pipe; End at the imaging passage is provided with object lens, in the imaging passage, is provided with illumination light guide bundles and refracting telescope, on main body, is provided with light guide bundles interface, apparatus inlet and sight glass pipe; Fluid passage links to each other with water inlet, and water inlet is arranged on the main body.There are object lens the end of the imaging passage in the mirror pipe, and the light guide bundles approaching by the light guide bundles interface illuminates operative site, by object lens and refracting telescope image is transferred in the sight glass pipe; Be convenient to observe, simultaneously, in the mirror pipe, instrument channel be set; Not only can be used different operating theater instruments easily, and, can stretch into thinner endoscope through instrument channel because bile duct is thinner; Get the stone rubble, improve surgical effect.Can normal saline be injected in the gallbladder through fluid passage, it is full, transparent that gallbladder is remained, and convenient operation is carried out.The choledochoscope of this utility model is easy to operate, and the function of operating theater instruments is many, can diagnose and handle calculus of cystic duct; Rubble; A series of problems such as hemostasis, and can observe the looks in the inside and outside bile duct of liver and gallbladder chamber and the mucosa clearly, realize keeping the theory that gallbladder takes out calculus.
As preferably, described fluid passage is two, the both sides of the line at the symmetric center that is arranged in imaging passage and instrument channel, the symmetric both sides that are arranged in main body of water inlet.Two fluid passages, imaging passage and instrument channel are " ten " font and arrange that two fluid passages are positioned at the both sides of imaging passage and instrument channel, and two fluid passages are set, and have improved inflow, can realize fast the gallbladder water-filling, and convenient operation is carried out fast.
As preferably, described water inlet is two, two symmetric two sides that are positioned at main body of water inlet, and light guide bundles interface and sight glass pipe are positioned on the upper surface of main body, and the angle between water inlet and the main body is 20 ° ~ 90 °.Two water inlets are arranged in the side of main body, make things convenient for the layout of instrument channel and imaging passage, can not influence and in instrument channel, use apparatus, also can not influence observation simultaneously, and connection and reasonable arrangement is simple in structure.
As preferably, the diameter of described imaging passage and instrument channel is identical, and the diameter of described fluid passage is less than imaging passage and instrument channel.The convenient layout and water inlet, rational in infrastructure.
As preferably, the diameter of described instrument channel is 2.4mm ~ 3.2mm, and the diameter of mirror pipe is 5.8mm ~ 6.5mm, and the diameter of fluid passage is 1.0 ~ 1.5mm.The diameter of instrument channel can insert the more endoscope of small dimension when facing very thin bile duct, thereby realizes getting stone and rubble, improves the range of application of choledochoscope, undergos surgery but also the apparatus that can conveniently undergo surgery extend into operative site.
As preferably, the refracting telescope in the described imaging passage is the prism that is positioned at the object lens rear side, is connected with eyeshield on the described sight glass pipe, and eyeshield is connected with the CCD pick-up and picture recording system.Under visual condition, undergo surgery, can image be passed on the display, improve the reliability of operation.
Therefore; The choledochoscope of this utility model possesses following advantage: 1, in the mirror pipe, arranged instrument channel, shaping channel and the fluid passage that is parallel to each other; Can realize quick water inlet; Can realize again operating theater instruments is stretched into operative site easily, and can clearly see operative site, improve the safety of operation through the sight glass pipe.2, water inlet is arranged in the both sides of main body, and light guide bundles interface and sight glass interface can not disturb well with observing and intaking separately at the main body upside mutually, improves the convenience of operation.3, fluid passage is arranged two, increases inflow, can normal saline be injected gallbladder fast.
Description of drawings
Fig. 1 is that the master of the choledochoscope of this utility model looks sketch map.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the cross-sectional view that the mirror pipe amplifies.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of utility model.
Embodiment:
As illustrated in fig. 1 and 2, a kind of choledochoscope comprises mirror pipe 2, and mirror pipe 2 is connected with main body 8; Offer a light guide bundles interface 3 on the upper surface of main body 8, light guide bundles interface 3 is vertical with main body 8 upper surfaces, also on the upper surface of main body 8, is connected with a sight glass pipe 4 simultaneously; Be connected with eyeshield 5 on the sight glass pipe 4, between sight glass pipe 4 and main body 8 upper surfaces angle arranged, angle is 45 °; Light guide bundles interface 3 is connected with light source, imports light into gallbladder, illuminates operative site.In the side of main body 8 water inlet 7 is installed respectively, water inlet 7 symmetric being in tilted layout in the both sides of main body 8, the angle theta between water inlet 7 and the main body 8 is 30 °.Rear side in main body 8 offers apparatus import 6.
As shown in Figure 3, four passages are arranged, an imaging passage 9, an instrument channel 11, two fluid passages 10 in the mirror pipe 2.Imaging passage 9 is all 2.8mm mutually with the diameter of instrument channel 11; The diameter of mirror pipe 2 is 6.3mm; Imaging passage 9 is arranged up and down with instrument channel 11, is positioned at the center of mirror pipe 2, and the line at the center of promptly form images passage 9 and instrument channel 11 overlaps with a wherein diameter of mirror pipe 2.Two fluid passage 10 symmetric both sides that are arranged in imaging passage 9 and instrument channel 11, the diameter of fluid passage 10 is 1.2mm.Port at imaging passage 9 is equipped with object lens 1; In imaging passage 9, prism is installed also and reflects, light guide bundles and image transmission optical fibre also are installed, light guide bundles is inserted by the light guide bundles interface on the main body 3; Throw light on, the eyeshield 5 on image transmission optical fibre and the sight glass pipe joins.Instrument channel 9 is joined with the apparatus import 6 on the main body, conveniently stretches into apparatus, and fluid passage 10 joins with the water inlet 7 of main body 8 both sides.
During use, the choledochoscope percutaneous is advanced gallbladder, in gallbladder, get stone, rubble, excision polyp or ultrasonic examination, operation is an international forefront less invasive techniques, and the ultrasonic device that uses in the operation, operating theater instruments are got into by the instrument channel of endoscope.Ultrasonic examination, operation are all carried out under visual.Observe the operative site in the gallbladder through the objective of endoscope window in the operation, be connected with the CCD pick-up and picture recording system, the operative site image is passed to display monitor central monitoring system through eyeshield.Be connected with light source through the light guide bundles interface, import light in the gallbladder, illuminate operative site through light guide bundles.Through fluid passage normal saline is injected in the gallbladder, it is full that gallbladder is remained, transparent, the carrying out of convenient operation.
Claims (9)
1. a choledochoscope comprises the mirror pipe, and an end of mirror pipe is provided with object lens; The other end at the mirror pipe is connected with main body, it is characterized in that: be provided with imaging passage, instrument channel and the fluid passage that is parallel to each other in the described mirror pipe, be provided with object lens in the end of imaging passage; In the imaging passage, be provided with illumination light guide bundles and refracting telescope; On main body, be provided with light guide bundles interface, apparatus inlet and sight glass pipe, fluid passage links to each other with water inlet, and water inlet is arranged on the main body.
2. choledochoscope according to claim 1 is characterized in that: described fluid passage is two, the both sides of the line at the symmetric center that is arranged in imaging passage and instrument channel, the symmetric both sides that are arranged in main body of water inlet.
3. choledochoscope according to claim 1 and 2; It is characterized in that: described water inlet is two; Two symmetric two sides that are positioned at main body of water inlet, light guide bundles interface and sight glass pipe are positioned on the upper surface of main body, and the angle between water inlet and the main body is 20 ° ~ 90 °.
4. choledochoscope according to claim 1 and 2 is characterized in that: the diameter of described imaging passage and instrument channel is identical, and the diameter of described fluid passage is less than imaging passage and instrument channel.
5. choledochoscope according to claim 3 is characterized in that: the diameter of described imaging passage and instrument channel is identical, and the diameter of described fluid passage is less than imaging passage and instrument channel.
6. choledochoscope according to claim 1 and 2 is characterized in that: the diameter of described instrument channel is 2.4mm ~ 3.2mm, and the diameter of mirror pipe is 5.8mm ~ 6.5mm, and the diameter of fluid passage is 1.0 ~ 1.5mm.
7. choledochoscope according to claim 5 is characterized in that: the diameter of described instrument channel is 2.4mm ~ 3.2mm, and the diameter of mirror pipe is 5.8mm ~ 6.5mm, and the diameter of fluid passage is 1.0 ~ 1.5mm.
8. choledochoscope according to claim 1 and 2 is characterized in that: the refracting telescope in the described imaging passage is the prism that is positioned at the object lens rear side, is connected with eyeshield on the described sight glass pipe, and eyeshield is connected with the CCD pick-up and picture recording system.
9. choledochoscope according to claim 7 is characterized in that: the refracting telescope in the described imaging passage is the prism that is positioned at the object lens rear side, is connected with eyeshield on the described sight glass pipe, and eyeshield is connected with the CCD pick-up and picture recording system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201091273U CN202497130U (en) | 2012-03-22 | 2012-03-22 | Choledochoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201091273U CN202497130U (en) | 2012-03-22 | 2012-03-22 | Choledochoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202497130U true CN202497130U (en) | 2012-10-24 |
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ID=47033765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201091273U Expired - Fee Related CN202497130U (en) | 2012-03-22 | 2012-03-22 | Choledochoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202497130U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976763A (en) * | 2014-03-19 | 2014-08-13 | 刘春晓 | Tissue morcellating mirror and operating method thereof |
| CN109730620A (en) * | 2018-12-21 | 2019-05-10 | 华中科技大学鄂州工业技术研究院 | A kind of choledochoscope |
| CN110384473A (en) * | 2018-04-19 | 2019-10-29 | 深圳市理邦精密仪器股份有限公司 | Cervical canal mirror |
| CN113520282A (en) * | 2021-09-17 | 2021-10-22 | 深圳市斯玛仪器有限公司 | Medical treatment is with multi-functional backbone endoscope pipe |
-
2012
- 2012-03-22 CN CN2012201091273U patent/CN202497130U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976763A (en) * | 2014-03-19 | 2014-08-13 | 刘春晓 | Tissue morcellating mirror and operating method thereof |
| CN103976763B (en) * | 2014-03-19 | 2017-01-11 | 刘春晓 | Tissue morcellating mirror and operating method thereof |
| CN110384473A (en) * | 2018-04-19 | 2019-10-29 | 深圳市理邦精密仪器股份有限公司 | Cervical canal mirror |
| CN109730620A (en) * | 2018-12-21 | 2019-05-10 | 华中科技大学鄂州工业技术研究院 | A kind of choledochoscope |
| CN113520282A (en) * | 2021-09-17 | 2021-10-22 | 深圳市斯玛仪器有限公司 | Medical treatment is with multi-functional backbone endoscope pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20180322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |