CN203861270U - Living tissue sampling system used without direct view through endoscope - Google Patents
Living tissue sampling system used without direct view through endoscope Download PDFInfo
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- CN203861270U CN203861270U CN201420166901.3U CN201420166901U CN203861270U CN 203861270 U CN203861270 U CN 203861270U CN 201420166901 U CN201420166901 U CN 201420166901U CN 203861270 U CN203861270 U CN 203861270U
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- living tissue
- epitheca pipe
- tissue sampling
- digestive tract
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Abstract
A living tissue sampling system used without direct view through an endoscope comprises a pair of alimentary canal living tissue sampling forceps and an outer sheath. A guide wire capable of guiding the far end of the outer sheath to the position of living tissue to be sampled is arranged in a hole channel of the outer sheath, the front end of the pair of alimentary canal living tissue sampling forceps penetrates into the hole channel of the outer sheath, and forceps heads of the pair of alimentary canal living tissue sampling forceps can move to the position of the living tissue to be sampled along the hole channel in the outer sheath so as to sample the living tissue or take out the sampled living tissue and arranged in the outer sheath. The living tissue sampling system used without direct view through an endoscope has the advantages that the living tissue sampling system used without direct view through an endoscope can enter tracts such as the biliary tract without direct view through an endoscope and be operated by a doctor to complete biopsy in histology, and thus raw material and a basis are provided for further pathological analysis and diagnosis in histology.
Description
Technical field
This utility model belongs to technical field of medical instruments, particularly the lower living tissue sampler of using of a kind of non-endoscope direct-view.
Background technology
At present conventional living tissue sampling forceps is mainly used diseased region under endoscope's direct-view or the biopsy at suspected lesion position, as do the biopsy of gastrointestinal endoscopy, the biopsy of respiratory tract, the biopsy of urinary tract, but for the biopsy of the inaccessiable tract of the such endoscope of biliary tract because there is no suitable biopsy operating theater instruments, only use now cytology brush to brush inspection, but organizing of its removal limitedly only can be done cytological analysis, and organizing of its taking-up also can be mixed with the tissue that is not diseased region, the positive rate of check is lower.Along with the raising of living standards of the people causes the change of dietary habit to make biliary tract disease multiple, and its sickness rate is more and more higher, for clinical such situation very in the urgent need to carrying out biopsy accurately to biliary tract disease position, thereby by biological histology, check the definite situation of knowing pathological changes.Need to improve existing living tissue sampler, make its can Fei endoscope direct-view enter biliary system and disease position accurately sampled to the tissue that obtains a certain amount of diseased region and periphery, offer Pathology Deparment and carry out but information of standard that analytical test obtains diseased region.
In the middle of this, the primary problem solving is how living tissue sampling forceps to be inducted into biliary tract and to arrive lesion locations, because the general endoscope of biliary system cannot enter or cannot enter when retaining vater's papilla function, cannot under endoscope's direct-view, in biliary tract, advance, only can observe by two-dimentional X-ray the state of living tissue sampling forceps.How curved the narrow and small while pleat of biliary tract is a lot of and, in the situation that without any the means that can change living tissue sampling forceps direction, living tissue sampling forceps is difficult near or arrives disease position, the more difficult living tissue that completes samples.
Summary of the invention
This utility model provides a kind of can guide convenient, fast and accurate arrival precalculated position by seal wire, can be to the living tissue sampler of using under the non-endoscope direct-view of living tissue sampling in biliary tract.
The technical solution adopted in the utility model is:
The lower living tissue sampler of using of a kind of non-endoscope direct-view, comprise digestive tract living tissue sampling forceps, epitheca pipe, it is characterized in that: in the duct of described epitheca pipe, be equipped with the seal wire that its far-end can be guided to the living tissue position that will sample, the front end of described digestive tract living tissue sampling forceps is located in the duct of epitheca pipe, and the binding clip of described digestive tract living tissue sampling forceps can move to along epitheca pipe orifice road the living tissue position that will sample to carry out living tissue sampling and maybe living tissue after sampling is taken out and will be arranged in epitheca pipe.
Further, the binding clip of described digestive tract living tissue sampling forceps is arranged in epitheca pipe far-end before not determining the living tissue position that will sample, and between the near-end of described epitheca pipe and the handle of digestive tract living tissue sampling forceps, before not determining the living tissue position that will sample, is provided with epitheca pipe location is prevented to the spacing clip moving thereafter.
Further, the binding clip of described digestive tract living tissue sampling forceps is a four-bar linkage structure, it comprises two pliers cups that are hinged on cup, described cup is fixed on the far-end of bourdon tube, described in each, the afterbody of pliers cup is hinged with brace, described brace and push-pull bar are hinged, described push-pull bar is connected with a steel wire, described steel wire is located in bourdon tube, its other end is connected with the sliding handle of controlling binding clip opening and closing by it, described sliding handle is slidably arranged on handle, and described bourdon tube is hinged with handle or be fixedly connected with.
Further, the external diameter of described epitheca pipe is less than the internal diameter of duodenum instrument channel.
Further, in described epitheca pipe, be provided with the single duct that can simultaneously hold seal wire or digestive tract living tissue sampling forceps.
Or described epitheca pipe is provided with a duct that is respectively used to above hold seal wire and digestive tract living tissue sampling forceps.
Further, described epitheca pipe is provided with notch part, and described seal wire is arranged in epitheca pipe from notch part turnover.
Or described seal wire is arranged in epitheca pipe from the turnover of epitheca pipe proximal face.
Further, the notch part place of described epitheca pipe is provided with and strengthens the supporting sleeve that epitheca pipe intensity is used.
Further, the near-end of described epitheca pipe is provided with for gripping the soft handle of the state of controlling epitheca pipe.
This utility model, on the basis of normal digestive tract living tissue sampling forceps, increases an epitheca pipe in its outside, make seal wire and digestive tract living tissue sampling forceps can be in epitheca pipe relative motion.Effective external diameter of epitheca pipe must be less than existing duodenal instrument channel, to guarantee that apparatus passes in and out normally.Existing conventional duodenoscope instrument channel diameter comparatively common for 3.2mm is to about 4.8mm.
During use, during operation first by the normal ERCP(cholangiography operation of driving in the wrong direction) method the far-end of seal wire is inserted to biliary tract and crosses diseased region one segment distance.Then the far-end of seal wire is penetrated from the digestive tract living tissue sampling forceps near-end with epitheca pipe, and through exit position and from outlet, pass by nurse and control always, doctor continues along seal wire, digestive tract living tissue sampling forceps to be sent into always, and make the front end of digestive tract living tissue sampling forceps enter vater's papilla, continue to be fed into digestive tract living tissue sampling forceps, and open X-ray and observe the position that the binding clip of digestive tract living tissue sampling forceps arrives, by observing the image of X, see whether the binding clip of digestive tract living tissue sampling forceps arrives lesion locations.By observing X-ray impact, find that the far-end of digestive tract living tissue sampling forceps has arrived after predetermined lesions position, remove spacing clip, epitheca pipe is pulled or pushes forward digestive tract living tissue sampling forceps to the near-end of digestive tract living tissue sampling forceps simultaneously, its binding clip is exposed, then the sliding handle that promotes digestive tract living tissue sampling forceps opens two pliers cups of binding clip, at this moment doctor need to pinch the tight digestive tract living tissue sampling forceps of epitheca pipe clamp and pushes away, draw or rotate to regulate the state of the binding clip of digestive tract living tissue sampling forceps, make binding clip can better aim at the lesions position that needs biopsy, then doctor pushes digestive tract living tissue sampling forceps, binding clip is pressed to disease position, after confirming by X-ray, nurse pulls sliding handle to make the closed tissue of shearing of pliers cup, while doctor pulls back digestive tract living tissue sampling forceps makes tissue separated with lesions position, then nurse pulls out digestive tract living tissue sampling forceps until digestive tract living tissue sampling forceps is separated with epitheca pipe.Nurse promotes sliding handle again pliers cup is opened, and then the tissue clamping is stripped in Specimen bottle, has completed primary sample.Generally to a lesions position, need to repeatedly sample, after completing, primary sample again the far-end of digestive tract living tissue sampling forceps is inserted in epitheca pipe until arrive lesions position from the near-end of epitheca pipe, under doctor's adjustment, again the tissue at disease position is sampled, outwards take out again digestive tract living tissue sampling forceps, repeat the living tissue that above process repeatedly just can obtain lesion locations in polylith biliary tract, then collect and send together clinical laboratory's check, thereby obtain pathological changes situation accurately.Finally epitheca pipe, seal wire are pulled to biliary tract and duodenoscope, complete the sampling of pathological tissues in biliary tract.
The beneficial effects of the utility model: can enter in the tract under the direct-view of this non-endoscope of biliary tract and go, and complete histological biopsy under doctor's controlling, further histological pathological analysis and diagnosis are become and supplied parent material and foundation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is I place structure enlarged drawing in Fig. 1.
Structural representation one when Fig. 3 is this utility model use.
Fig. 4 is II place structure enlarged drawing in Fig. 3.
Structural representation two when Fig. 5 is this utility model use.
Fig. 6 is III place structure enlarged drawing in Fig. 5.
Fig. 7 be along A-A in Fig. 5 to cutaway view.
Fig. 8 is the structural representation one of the another kind turnover mode of seal wire of the present utility model.
Fig. 9 is the structural representation two of the another kind turnover mode of seal wire of the present utility model.
Figure 10 is the part-structure schematic diagram of epitheca pipe of the present utility model.
Figure 11 be along B-B in Figure 10 to the various structures schematic diagram of cutaway view.
Figure 12-15th, action sequence diagram when this utility model is used in biliary tract.
The specific embodiment
Below in conjunction with specific embodiment, this utility model is further described, but this utility model is not confined to these specific embodiment.One skilled in the art would recognize that this utility model contained all alternatives, improvement project and the equivalents that within the scope of claims, may comprise.
With reference to Fig. 1-7, the lower living tissue sampler of using of a kind of non-endoscope direct-view, comprise digestive tract living tissue sampling forceps 1, epitheca pipe 2, in the duct of described epitheca pipe 2, be equipped with the seal wire 3 that its far-end can be guided to the living tissue position that will sample, the front end of described digestive tract living tissue sampling forceps 1 is located in the duct of epitheca pipe 2, and the binding clip 11 of described digestive tract living tissue sampling forceps 1 can move to the living tissue position that will sample along epitheca pipe 2 inner ducts to carry out living tissue sampling and maybe living tissue after sampling is taken out and will be arranged in epitheca pipe 2.
The binding clip 11 of described digestive tract living tissue sampling forceps 1 is arranged in epitheca pipe 2 far-ends before not determining the living tissue position that will sample, and between the near-end of described epitheca pipe 2 and the handle 14 of digestive tract living tissue sampling forceps 1, is provided with epitheca pipe 2 location are prevented to the spacing clip 5 moving thereafter before not determining the living tissue position that will sample.
The binding clip 11 of described digestive tract living tissue sampling forceps 1 is a four-bar linkage structure, it comprises two pliers cups 111 that are hinged on cup 114, described cup 114 is fixed on the far-end of bourdon tube 15, described in each, the afterbody of pliers cup 111 is hinged with brace 113, described brace 113 is hinged with push-pull bar 112, described push-pull bar 112 is connected with a steel wire, described steel wire is located in bourdon tube 15, its other end is connected with the sliding handle 13 of controlling binding clip 11 opening and closings by it, described sliding handle 13 is slidably arranged on handle 14, described bourdon tube 15 is hinged with handle 14 or be fixedly connected with.
The external diameter of described epitheca pipe 2 is less than the internal diameter of duodenum instrument channel.
In described epitheca pipe 2, be provided with the single duct that can simultaneously hold seal wire 3 or digestive tract living tissue sampling forceps 1, or be provided with a duct that is respectively used to above hold seal wire 3 and digestive tract living tissue sampling forceps 1, referring to the section form in Figure 10 and Figure 11.
Described epitheca pipe 2 is provided with notch part 24, and described seal wire 3 is arranged in epitheca pipe 2 from notch part 24 turnover.Or direct being arranged in epitheca pipe 2 of passing in and out from epitheca pipe 2 proximal face of described seal wire 3, referring to Fig. 8, Fig. 9.
Notch part 24 places of described epitheca pipe 2 are provided with and strengthen the supporting sleeve 22 that epitheca pipe intensity is used.
The near-end of described epitheca pipe 2 is provided with for gripping the soft handle 23 of the state of controlling epitheca pipe 2.
Epitheca pipe in the present embodiment is comprised of outer tube 21, supporting sleeve 22, soft handle 23, and wherein supporting sleeve 22 and soft handle 23 are not to need, and this example is only in facilitating doctor's use angle to increase this two parts.At outer tube 21 and supporting sleeve 22, be mutually socketed overlapping position and be provided with notch part 24, reserved passway to the turnover of seal wire 3.
This utility model, on the basis of normal digestive tract living tissue sampling forceps 1, increases an epitheca pipe 2 in its outside, makes seal wire 3 and the digestive tract living tissue sampling forceps 1 can be in the interior relative motion of epitheca pipe 2.Effective external diameter of epitheca pipe 2 must be less than existing duodenal instrument channel, to guarantee that apparatus passes in and out normally.Existing conventional duodenoscope instrument channel diameter comparatively common for 3.2mm is to about 4.8mm.
During use, with reference to Figure 12-15, during operation first by the normal ERCP(cholangiography operation of driving in the wrong direction) method the far-end of seal wire 3 is inserted to biliary tract 6 and crosses diseased region 4 one segment distances.Then the far-end of seal wire 3 is penetrated from digestive tract living tissue sampling forceps 1 near-end with epitheca pipe 2, and through exit position and from outlet, pass by nurse and control always, doctor continues along seal wire 3, digestive tract living tissue sampling forceps 1 to be sent into always, and make the front end of digestive tract living tissue sampling forceps 1 enter vater's papilla, continue to be fed into digestive tract living tissue sampling forceps 1, and open X-ray and observe the position that the binding clip 11 of digestive tract living tissue sampling forceps 1 arrives, by observing the image of X, see whether the binding clip 11 of digestive tract living tissue sampling forceps 1 arrives lesion locations.By observing X-ray impact, find that the far-end of digestive tract living tissue sampling forceps 1 has arrived after predetermined lesions position, remove spacing clip 5, epitheca pipe 2 is pulled or pushes forward digestive tract living tissue sampling forceps 1 to the near-end of digestive tract living tissue sampling forceps 1 simultaneously, its binding clip 11 is exposed, then the sliding handle 13 that promotes digestive tract living tissue sampling forceps 1 opens two pliers cups 111 of binding clip 11, at this moment doctor need to pinch epitheca pipe 2 and clamps digestive tract living tissue sampling forceps 1 and push away, draw or rotate to regulate the state of the binding clip 11 of digestive tract living tissue sampling forceps 1, make binding clip 11 can better aim at the lesions position that needs biopsy, then doctor pushes digestive tract living tissue sampling forceps 1, binding clip 11 is pressed to disease position, after confirming by X-ray, nurse pulls sliding handle 13 to make the closed tissue of shearing of pliers cup 111, while doctor pulls back digestive tract living tissue sampling forceps 1 makes tissue separated with lesions position, then nurse pulls out digestive tract living tissue sampling forceps 1 until digestive tract living tissue sampling forceps 1 is separated with epitheca pipe 2.Nurse promotes sliding handle 13 again pliers cup 111 is opened, and then the tissue clamping is stripped in Specimen bottle, has completed primary sample.Generally to a lesions position, need to repeatedly sample, after completing, primary sample again the far-end of digestive tract living tissue sampling forceps 1 is inserted in epitheca pipe 2 until arrive lesions position from the near-end of epitheca pipe 2, under doctor's adjustment, again the tissue at disease position is sampled, outwards take out again digestive tract living tissue sampling forceps 1, repeat the living tissue that above process repeatedly just can obtain lesion locations in polylith biliary tract, then collect and send together clinical laboratory's check, thereby obtain pathological changes situation accurately.Finally epitheca pipe 2, seal wire 3 are pulled to biliary tract and duodenoscope, complete the sampling of pathological tissues in biliary tract.
Claims (10)
- The lower living tissue sampler of using of 1.Yi Zhongfei endoscope direct-view, comprise digestive tract living tissue sampling forceps, epitheca pipe, it is characterized in that: in the duct of described epitheca pipe, be equipped with the seal wire that its far-end can be guided to the living tissue position that will sample, the front end of described digestive tract living tissue sampling forceps is located in the duct of epitheca pipe, and the binding clip of described digestive tract living tissue sampling forceps can move to along epitheca pipe orifice road the living tissue position that will sample to carry out living tissue sampling and maybe living tissue after sampling is taken out and will be arranged in epitheca pipe.
- 2. the living tissue sampler of using under a kind of non-endoscope according to claim 1 direct-view, it is characterized in that: the binding clip of described digestive tract living tissue sampling forceps is arranged in epitheca pipe far-end before not determining the living tissue position that will sample, between the near-end of described epitheca pipe and the handle of digestive tract living tissue sampling forceps, before not determining the living tissue position that will sample, be provided with epitheca pipe location is prevented to the spacing clip moving thereafter.
- 3. the living tissue sampler of using under a kind of non-endoscope according to claim 1 direct-view, it is characterized in that: the binding clip of described digestive tract living tissue sampling forceps is a four-bar linkage structure, it comprises two pliers cups that are hinged on cup, described cup is fixed on the far-end of bourdon tube, described in each, the afterbody of pliers cup is hinged with brace, described brace and push-pull bar are hinged, described push-pull bar is connected with a steel wire, described steel wire is located in bourdon tube, its other end is connected with the sliding handle of controlling binding clip opening and closing by it, described sliding handle is slidably arranged on handle, described bourdon tube is hinged with handle or be fixedly connected with.
- 4. the lower living tissue sampler of using of a kind of non-endoscope according to claim 1 direct-view, is characterized in that: the external diameter of described epitheca pipe is less than the internal diameter of duodenum instrument channel.
- 5. the lower living tissue sampler of using of a kind of non-endoscope according to claim 1 direct-view, is characterized in that: in described epitheca pipe, be provided with the single duct that can simultaneously hold seal wire or digestive tract living tissue sampling forceps.
- 6. the lower living tissue sampler of using of a kind of non-endoscope according to claim 1 direct-view, is characterized in that: described epitheca pipe is provided with a duct that is respectively used to above hold seal wire and digestive tract living tissue sampling forceps.
- 7. the lower living tissue sampler of using of a kind of non-endoscope according to claim 1 direct-view, is characterized in that: described epitheca pipe is provided with notch part, and described seal wire is arranged in epitheca pipe from notch part turnover.
- 8. the lower living tissue sampler of using of a kind of non-endoscope according to claim 1 direct-view, is characterized in that: described seal wire is arranged in epitheca pipe from the turnover of epitheca pipe proximal face.
- 9. the lower living tissue sampler of using of a kind of non-endoscope according to claim 7 direct-view, is characterized in that: the notch part place of described epitheca pipe is provided with and strengthens the supporting sleeve that epitheca pipe intensity is used.
- 10. according to the lower living tissue sampler of using of a kind of non-endoscope direct-view one of claim 1 ~ 9 Suo Shu, it is characterized in that: the near-end of described epitheca pipe is provided with for gripping the soft handle of the state of controlling epitheca pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166901.3U CN203861270U (en) | 2014-04-08 | 2014-04-08 | Living tissue sampling system used without direct view through endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166901.3U CN203861270U (en) | 2014-04-08 | 2014-04-08 | Living tissue sampling system used without direct view through endoscope |
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| Publication Number | Publication Date |
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| CN203861270U true CN203861270U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420166901.3U Expired - Fee Related CN203861270U (en) | 2014-04-08 | 2014-04-08 | Living tissue sampling system used without direct view through endoscope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344079A (en) * | 2016-09-22 | 2017-01-25 | 四川大学华西医院 | Medical Multifunctional Rotary Biopsy Sampling Forceps |
| CN107595329A (en) * | 2017-10-26 | 2018-01-19 | 令狐恩强 | A kind of biopsy forceps with support arm |
| CN109171829A (en) * | 2018-09-26 | 2019-01-11 | 常州市久虹医疗器械有限公司 | Cross the molding connection method of the seal wire pass joint of seal wire biliary tract sample pickup tongs and sample pickup tongs |
-
2014
- 2014-04-08 CN CN201420166901.3U patent/CN203861270U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344079A (en) * | 2016-09-22 | 2017-01-25 | 四川大学华西医院 | Medical Multifunctional Rotary Biopsy Sampling Forceps |
| CN106344079B (en) * | 2016-09-22 | 2019-03-19 | 四川大学华西医院 | Medical Multifunctional Rotary Biopsy Sampling Forceps |
| CN107595329A (en) * | 2017-10-26 | 2018-01-19 | 令狐恩强 | A kind of biopsy forceps with support arm |
| CN109171829A (en) * | 2018-09-26 | 2019-01-11 | 常州市久虹医疗器械有限公司 | Cross the molding connection method of the seal wire pass joint of seal wire biliary tract sample pickup tongs and sample pickup tongs |
| CN109171829B (en) * | 2018-09-26 | 2024-04-16 | 常州市久虹医疗器械有限公司 | Forming connection method of guide wire through joint of guide wire biliary tract sampling forceps and sampling forceps |
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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: 20141008 Termination date: 20190408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |