CN201375516Y - Measuring device for endoscope object distance using virtual internal standard - Google Patents
Measuring device for endoscope object distance using virtual internal standard Download PDFInfo
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- CN201375516Y CN201375516Y CN 200920039833 CN200920039833U CN201375516Y CN 201375516 Y CN201375516 Y CN 201375516Y CN 200920039833 CN200920039833 CN 200920039833 CN 200920039833 U CN200920039833 U CN 200920039833U CN 201375516 Y CN201375516 Y CN 201375516Y
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- object distance
- biopsy forceps
- seal wire
- internal standard
- virtual internal
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- 238000001574 biopsy Methods 0.000 claims abstract description 27
- 238000002372 labelling Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 12
- 108091006146 Channels Proteins 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 230000003902 lesion Effects 0.000 description 3
- 238000009472 formulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 210000001187 pylorus Anatomy 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 231100000397 ulcer Toxicity 0.000 description 1
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- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
An endoscope object distance measuring device employing virtual internal standards comprises biopsy forceps or a guide wire marked with graduations, wherein the biopsy forceps or the guide wire is marked with standard graduations; and when the biopsy forceps or the guide wire is inserted from an apparatus passage inlet (2) and the front end thereof is leveled with an apparatus passage outlet (1), the mark on the biopsy forceps or the guide wire at a handle end thereof in the position leveled with the apparatus passage inlet (2) is the zero graduation line. The utility model has the advantages of no additional apparatus consumption, very small influence on the endoscope operational speed, and remarkably higher accuracy and objectivity of endoscope measurement.
Description
Technical field
This utility model relates to the supporting object distance measuring device of a kind of and medical scope, especially measure the covering device that endoscopic image objectively responds the focus size, specifically a kind of scope object distance measuring device that uses virtual internal standard by setting up " virtual internal standard ".
Background technology
Along with the development of Medical Technology, endoscopic technic has become the major technique that overhauls with Minimally Invasive Surgery.The sight glass of sending in the body cavities is presented at image on the computer screen by minisize pick-up head, so that check under directly perceived and treat, also usable image treatment technology acquisition pathological tissues is the particular image of focus, it not only can obtain the morphologic diagnostic message of histoorgan, and can measure the various physiological functions of histoorgan.
But, to remove outside expensive ultrasonic endoscope and the three-dimensional scope, the actual size for focus under the ordinary electronic scope can't be measured, and the main means of measuring at present are range estimation, a pincers method or apparatus chi etc.Existing visual method lacks objective basis, and is extremely unreliable; The two kinds of objective means in back are owing to the interference that is subjected to the optical distortion of scope wide-angle lens, and are also inaccurate.Yet the measurement of focus size under the scope is reported objective correct description, the judgement of disease prognosis, the grasp of treatment indication etc. for scope, all has important practical usage.Therefore, the requirement that existing measuring technique can't satisfy precisely, measure the focus actual size efficiently can not realize pathological changes is carried out quantitative analysis and quantitative Diagnosis with image analysis technology, can not adapt to the needs of existing medical skill.
Summary of the invention
The purpose of this utility model is at lacking the extremely insecure visual method of objective basis, result in the existing endoscopic technic, and be subjected to mark method in the inaccurate physics of interference, measurement result of scope wide-angle lens optical distortion, propose a kind of objective, use the scope object distance measuring device of virtual internal standard accurately and efficiently.
The technical solution of the utility model is:
A kind of scope object distance measuring device that uses virtual internal standard, it comprises biopsy forceps or the seal wire that has the scale sign, described biopsy forceps or seal wire are provided with master scale, when biopsy forceps or seal wire insert from the instrument channel inlet, its front end and instrument channel export when equal, are labeled as the zero graduation line on the vice body of mean place or the seal wire mutually in the handle end of biopsy forceps or seal wire and instrument channel porch.
The mark mode of master scale of the present utility model for tint, concavo-convex vestige or magnetic signal labelling.
Use the measuring method of this device, it may further comprise the steps:
The formulation of virtual internal standard: draw scale map according to master scale, adopt scope under different object distances, scale map to be taken, the object distance scope is 0mm～60mm, the image that obtains under the homologue distance is a plane meter, adjusting the pixel of screen calibration scale measures the unit distance of each plane meter middle section respectively, make a unit of unit scale of scale and plane meter center lattice match, obtaining and taking the corresponding picture thing of object distance ratio is virtual internal standard;
The making of object distance measuring device: biopsy forceps or seal wire are inserted the endoscopic instruments passage, when the front end of biopsy forceps or seal wire and instrument channel export when equal, be labeled as zero graduation on the vice body of mean place or the seal wire mutually in the handle end of biopsy forceps or seal wire and instrument channel porch, master scale is finished the making of measuring device on handle or seal wire bearing mark thereafter;
Scope is taken the measurement of the preceding object distance of lesion image: when measuring object distance, will indicate that graduated biopsy forceps or seal wire insert instrument channel, when front end arrived at focus, the scale value that reads on apparatus feeder connection place's vice body or the seal wire was the object distance of surveying;
Photographic images is measured the focus data: use scope to take the middle image of focus, determine virtual internal standard by measured object distance, according to directly overlaying on the endoscopic image of identical object distance after the big or small of focus in the screen calibration tape measure image of determined virtual internal standard use respective pixel or the plane meter process transparence processing, directly draw the numerical value of actual focal size with this virtual internal standard correspondence.
The beneficial effects of the utility model:
This utility model will be rewritten and be extensive use of history and the present situation that endoscopic measurement is carried out in range estimation at present, under the prerequisite that need not acquire hardware, make the ordinary electronic scope that generally uses to realize objective and focus measurement accurately, significantly improved the repeatability of focus measurement.The graduated biopsy forceps of being with that use and different model scope are supporting is measured object distance, do not increase patient's inspection cost, do not increase equipment disinfectant added burden, influence to doctor's endoscopic technic speed reaches minimum degree, and reaches doctor and patient enough credibilitys and the satisfaction for measurement data.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the plane meter sketch map that object distance 20mm of the present utility model takes gained.
Fig. 3 be of the present utility model utilize the screen calibration scale to object distance 20mm plane meter measurement obtain the sketch map of virtual internal standard parameter.
Fig. 4 is the instrumentation plan of one of embodiment of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described.
A kind of scope object distance measuring device that uses virtual internal standard, as shown in Figure 1, it comprises biopsy forceps or the seal wire that has the scale sign, it is characterized in that described biopsy forceps or seal wire are provided with master scale, when biopsy forceps or seal wire insert from the instrument channel inlet, its front end and instrument channel export 1 when equal, are labeled as the zero graduation line on the vice body of mean place or the seal wire mutually at the handle end and the instrument channel of biopsy forceps or seal wire 2 places that enter the mouth.The mark mode of described master scale for tint, concavo-convex vestige or magnetic signal labelling.
When using this measurement device, may further comprise the steps:
The formulation of virtual internal standard: draw scale map according to master scale, described scale map is the plane graticule, or concentrically ringed plane graph, or the identical regular polygon plane graph in center, or presents regular hexagon or equilateral triangle plane graph that the Nidus Vespae sample is arranged.With the plane graticule is example, adopts scope under different object distances scale map to be taken, and we are defined as the image that is obtained " plane meter (plane ruler) ".The object distance scope is 5mm～60mm, and the interval of shooting is example with 5mm, as shown in Figure 2, takes the plane meter of gained for object distance 20mm.Adjusting the pixel of screen calibration scale measures the unit distance of each plane meter middle section respectively, make a unit of unit scale of scale and plane meter center lattice match, obtain and take the corresponding picture thing of object distance ratio, and with the formal representation of this picture thing ratio with " pixel/centimetre (or millimeter) ", we define this parameter and are " virtual internal standard " (virtual internal standards).As shown in Figure 3, shown utilize the screen calibration scale to object distance 20mm plane meter measurement obtain the process of virtual internal standard parameter, this is by adjusting the number of picture elements in the calibration scale, make 1 centimetre of scale 1 centimeter scale and plane meter center lattice to match, by diagram as can be known, it is consistent with the screen picture size that the medical image file and the communication system of computer are the PACS system desktop to adjust captured image, when PACS system desktop endoscopic image is 120 * 120mm size, adjusting captured image is 120 * 120mm, take object distance when being 20mm, virtual internal standard be 241 pixels/centimetre.For a certain model scope, obey the middle principle of focus during shooting, then each object distance all has the interior mark of corresponding virtual with it; Mark is a standard of measuring institute's foundation for screen in this.
The making of object distance measuring device: as shown in Figure 1, with the biopsy forceps is example, biopsy forceps is inserted the instrument channel of scope, when the front end of biopsy forceps and instrument channel export 1 when equal, be labeled as zero graduation on the vice body of mean place mutually at the handle end of biopsy forceps and instrument channel 2 places that enter the mouth, master scale is finished the making of measuring device on the handle orientations labelling thereafter; Vice body scale mark or read mode can be to be coated with any-modes such as color marker, concavo-convex trace mark or magnetic signal labelling.
Scope is taken the measurement of the preceding object distance of lesion image: when measuring object distance, will indicate that graduated biopsy forceps or seal wire insert instrument channel, when front end arrived at focus, the scale value that reads on apparatus feeder connection place's vice body or the seal wire was the object distance of surveying;
Photographic images is measured the focus data: use scope to take the middle image of focus, determine virtual internal standard by measured object distance, according to the size of focus in the screen calibration tape measure image of determined virtual internal standard use respective pixel, directly draw the numerical value of actual focal size.As shown in Figure 4, shown the application that virtual internal standard is measured the focus size.
Embodiment one:
Stomach angle lesser curvature side is found a ulcer, and desire is measured its size:
1. conventional shooting the: include near anatomic landmark (as stomach angle or pylorus) during shooting in.
2. measure and take the photograph sheet: require: focus must be placed in the middle.
1. measure object distance: biopsy forceps or seal wire with above-mentioned reference mark insert the apparatus jack, and front end arrives at the focus edge, reads object distance.
2. be not to set the integral multiple of number as object distance, suitably advance and retreat are adjusted.For example:, then measure auxiliary device object distance is adjusted into 15mm by object distance if the object distance that reads is 13mm.
3. photographic images.
4. select the virtual internal standard setting screen calibration scale under this 15mm object distance for use, when endoscopic image size on the computer system desktop is 120 * 120mm size, virtual internal standard on this object distance plane be 311 pixels/centimetre, with this parameter setting screen calibration scale and measure lesion image, reading numerical values be the focus actual size centimetre or millimeter, as shown in Figure 4.Or, read its lattice number or the concentric circular number of plies directly to cover endoscopic image after the plane meter transparence corresponding with the 15mm object distance, can learn the focus actual size.
This utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (2)
1, a kind of scope object distance measuring device that uses virtual internal standard, it comprises biopsy forceps or the seal wire that has the scale sign, it is characterized in that described biopsy forceps or seal wire are provided with master scale, when biopsy forceps or seal wire insert from instrument channel inlet (2), when its front end and instrument channel outlet (1) is equal, the handle end and the instrument channel of biopsy forceps or seal wire enter the mouth (2) locate to be labeled as the zero graduation line on the vice body of mean place mutually or the seal wire.
2, the scope object distance measuring device of use virtual internal standard according to claim 1, the mark mode that it is characterized in that described master scale for tint, concavo-convex vestige or magnetic signal labelling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200920039833 CN201375516Y (en) | 2009-04-27 | 2009-04-27 | Measuring device for endoscope object distance using virtual internal standard |
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| CN 200920039833 CN201375516Y (en) | 2009-04-27 | 2009-04-27 | Measuring device for endoscope object distance using virtual internal standard |
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| CN201375516Y true CN201375516Y (en) | 2010-01-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115311239A (en) * | 2022-08-15 | 2022-11-08 | 合肥中纳医学仪器有限公司 | Virtual scale construction method, system and measurement method for video image measurement |
| CN117243700A (en) * | 2023-11-20 | 2023-12-19 | 北京云力境安科技有限公司 | Method and related device for detecting endoscope conveying length |
-
2009
- 2009-04-27 CN CN 200920039833 patent/CN201375516Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115311239A (en) * | 2022-08-15 | 2022-11-08 | 合肥中纳医学仪器有限公司 | Virtual scale construction method, system and measurement method for video image measurement |
| CN117243700A (en) * | 2023-11-20 | 2023-12-19 | 北京云力境安科技有限公司 | Method and related device for detecting endoscope conveying length |
| CN117243700B (en) * | 2023-11-20 | 2024-03-08 | 北京云力境安科技有限公司 | Method and related device for detecting endoscope conveying length |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20170427 |