CN102090932A - CT guided lung puncture positioning instrument - Google Patents
CT guided lung puncture positioning instrument Download PDFInfo
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- CN102090932A CN102090932A CN2011100687994A CN201110068799A CN102090932A CN 102090932 A CN102090932 A CN 102090932A CN 2011100687994 A CN2011100687994 A CN 2011100687994A CN 201110068799 A CN201110068799 A CN 201110068799A CN 102090932 A CN102090932 A CN 102090932A
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Abstract
The invention discloses a computed tomography (CT) guided lung puncture positioning instrument in the technical field of medicinal instruments, which comprises a fixing mechanism, a chassis mechanism, two motion arm mechanisms and a puncture guide mechanism, wherein the chassis mechanism is fixedly arranged on the fixing mechanism; the two motion arm mechanisms are rotationally connected with the chassis mechanism from top to bottom respectively, and the first motion arm mechanism is mutually vertical to the second motion arm mechanism; and the puncture guide mechanism sequentially passes through the two motion arm mechanisms and the fixing mechanism and is opposite to the circle center of the fixing mechanism. The positioning instrument has small size, simple structure, accurate positioning, three-dimensional spatial free positioning, simple operating method and the like, can be positioned in a three-dimensional space so as to expand the selection of a puncture channel, avoids the influence of operation on the surgery in a two-dimensional space, avoids deviation of the puncture direction due to human hand fluctuation, and can be quickly detached and withdrawn so as not to affect the subsequent complex operation.
Description
Technical field
What the present invention relates to is a kind of device of technical field of medical instruments, specifically is a kind of CT guiding lung puncture position finder.
Background technology
The lung puncture biopsy is a kind of method of diagnosis pulmonary lesion commonly used, needs position and the size of utilizing medical imaging diagnosis to go out focus before the art, and cooks up the target spot of puncture, the entry point of puncture and paracentesis depth.The lung puncture biopsy that begins to carry out under the medical image guiding after the local skin sterilization to entry point is performed the operation then, and medical image is applied to the lung puncture biopsy, improves puncture success rate, has reduced pneumothorax, hemorrhage and some other complication.After puncture needle arrives predetermined pathological tissues, gather biological tissue, extract puncture needle, take out biological tissue and carry out biopsy.
Along with the fast development of CT image documentation equipment, CT guiding lung puncture biopsy down is one of inspection method of pathological changes in the diagnosis lung.But free-hand operation is adopted in present CT guiding lung puncture biopsy down.Because it is very complicated to carry out the aspiration biopsy location in three dimensions, difficulty is bigger, and present CT guiding lung puncture down still is confined to carry out in the two dimensional surface, and puncture path is selected to be restricted.When carrying out aspiration biopsy, the puncture needle position does not have quantitative data to determine, operator's empirical observation CT image is adjusted the direction of puncture needle, needs to regulate repeatedly just to reach correct puncture direction.When puncturing, every puncture certain depth needs the CT scan checking, and the patient judges the angle of difference according to experience; And puncture needle do not have fixture to fix, and carrying out the CT scan checking to the alternation procedure that punctures, and attitude changes puncture needle owing to lose that staff is controlled with patient's respiratory movement.Therefore, need repeatedly CT scan, repeatedly explore point of puncture, puncture angle, paracentesis depth, operating time is long, and repeated puncture has increased the weight of the damage ratio of injury of pleura and needle track and focus peripheral vessels, and repeatedly CT scan has increased patient's radiation damage.Therefore, improving puncture success rate is the key that reduces complication.
Find through retrieval prior art, Chinese patent literature CN200977172Y, open day 2007-11-21, put down in writing CT guided puncture locating rack, this technology comprises stand, U-shaped fixed arm, orientation lever and fixing head, the puncture positioning action can only carry out in two dimensional surface, and the puncture direction is very limited.
Further retrieval is found, Chinese patent literature CN200977171Y, open day 2007-11-21, put down in writing a kind of CT localised puncture angle locater, this technology comprises concentric discs, graduation mark and puncture needle etc., the puncture positioning action also can only carry out in two dimensional surface, and the puncture direction is very limited.
In sum, lung puncture under the CT guiding is a kind of method that is widely used in the pulmonary lesion diagnosis, change traditional puncture mode, for improving the puncture one-time success rate, the incidence rate and the CT scan number of times that reduce complication have crucial effects, the safety of lung puncture under the CT guiding is further improved, help the CT guiding further popularization of lung puncture down.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of CT guiding lung puncture position finder is provided, have compact size, simple in structure, function such as accurate positioning, three dimensions are freely located and operational approach is simple.Device can be located in three dimensions, has expanded the selection of puncture channel, avoids the influence that operation causes to operation in the two-dimensional space; Realize the localized quantification of puncture, overcome traditional localized ambiguity and uncertainty; Device also provides the guiding of puncture direction, avoid the staff fluctuation that the puncture direction is caused a deviation, can effectively remedy because the repeated puncture that the operator lacks experience and causes can effectively reduce operating time, the CT that reduces the patient takes number of times, reduces the radiation dose that the patient suffers; Device adopts nonmetal resin material, and material density is low to be difficult for blocking focus, little to the CT image disruption; Device quick-detach is soon withdrawn from, and does not influence to carry out follow-up complicated operations.
The present invention is achieved by the following technical solutions, the present invention includes: fixed mechanism, body chassis, two movement arm mechanisms and guiding puncture mechanism, wherein: body chassis is fixedly set on the fixed mechanism, two movement arm mechanisms from top to bottom be rotationally connected with body chassis respectively and the first movement arm mechanism vertical mutually with the second movement arm mechanism, two movement arm mechanisms and fixed mechanism are run through and successively over against the center of circle of fixed mechanism in guiding puncture mechanism.
Described fixed mechanism by fixing band and the fixing band breach strip of paper used for sealing that flexibly connects with it forms, wherein: fixing band is fixed with human body by the side joint and fixing band is provided with one and the fixing band breach strip of paper used for sealing breach of adhesion mutually.
Described body chassis comprises: middle horizontal stripe, non-sealing chassis and the chassis breach block that flexibly connects with it, wherein: complete annular is formed on chassis breach block and chassis, and the two ends of middle horizontal stripe are fixedly set in the inside diameter direction on non-sealing chassis respectively.
The cross section of horizontal stripe is arcuate structure and contacts with human body in the middle of described, and the center of this centre horizontal stripe is provided with perforate.
The intersection point of described perforate and two movement arm mechanisms and guiding puncture mechanism all are located on the same line.
Described movement arm mechanism comprises: fixed arm, lever arm and graduated disc, wherein: an end of two fixed arms is arranged at the both sides on the diametric(al) of body chassis respectively and is rotationally connected with the chassis, fixedly connected with the other end of two fixed arms respectively by bandage in the two ends of lever arm, graduated disc is fixedly set on the lever arm.
Described bandage is with the fixing component movement arm of lever arm and fixed arm.
Described lever arm is a C font structure.
Described guiding puncture mechanism comprises: puncture needle and guide sheath, wherein: guide sheath is movably set in the guide sheath by top and the puncture needle that the top fixed mechanism is fixedly set in movement arm mechanism.
Described top fixed mechanism be fixedly connected sequentially guide sheath, the first movement arm mechanism and the second movement arm mechanism and realize not having relative displacement between the three.
Described guide sheath is made up of two semicircular cylinders.
The present invention is for improving the puncture one-time success rate, and the incidence rate and the CT scan number of times that reduce complication have crucial effects, and the safety of lung puncture under the CT guiding is further improved, and helps the CT guiding further popularization of lung puncture down.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the local enlarged diagram of Fig. 1.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment
As shown in Figure 1, present embodiment comprises: fixed mechanism 1, body chassis 2, two movement arm mechanisms 3,4 and guiding puncture mechanisms 5, wherein: body chassis 2 is fixedly set on the fixed mechanism 1, two movement arm mechanisms 3,4 from top to bottom be rotationally connected with body chassis 2 respectively and the first movement arm mechanism 3 vertical mutually with the second movement arm mechanism 4, two movement arm mechanisms 3,4 and fixed mechanism 1 are run through and successively over against the center of circle of fixed mechanism 1 in guiding puncture mechanism 5.
Described fixed mechanism 1 is made up of with the strip of paper used for sealing 7 that is connected that flexibly connects with it fixing band 6, wherein: fixing band 6 is fixed with human body by the side joint and fixing band 6 be provided with one be connected strip of paper used for sealing 7 breach of adhesion mutually.
Described body chassis 2 comprises: non-sealing chassis 8, the chassis breach block 9 and the middle horizontal stripe 10 that flexibly connect with it, wherein: complete annular is formed on chassis breach block 9 and chassis, and the two ends of middle horizontal stripe 10 are fixedly set in the inside diameter direction on non-sealing chassis 8 respectively.
The cross section of horizontal stripe 10 is arcuate structure and contacts with human body in the middle of described, and the center of this centre horizontal stripe 10 is provided with perforate 11.
The intersection point and the guiding puncture mechanism 5 of described perforate 11 and two movement arm mechanisms 3,4 all are located on the same line.
Described movement arm mechanism 3 comprises: fixed arm 12, lever arm 13 and graduated disc 14, wherein: an end of fixed arm 12 is arranged at the both sides on the diametric(al) of body chassis 2 respectively and is rotationally connected with the chassis, fixedly connected with the other end of two fixed arms 12 respectively by bandage in the two ends of lever arm 13, graduated disc 14 is fixedly set on the lever arm 13.
Described bandage is with the fixing component movement arm of lever arm 13 and fixed arm 12.
The movement arm diameter of the described first movement arm mechanism 3 is greater than the second movement arm motion of mechanism arm diameter.
Described lever arm 13 is a C font structure.
Described guiding puncture mechanism 5 comprises: puncture needle 15 and guide sheath 16, wherein: guide sheath 16 is movably set in the guide sheath 16 by top and the puncture needle 15 that top fixed mechanism 1 is fixedly set in movement arm mechanism.
Described top fixed mechanism 1 be fixedly connected sequentially guide sheath 16, the first movement arm mechanism 3 and the second movement arm mechanism 4 and realize not having relative displacement between the three.
Described guide sheath 16 is made up of two semicircular cylinders.
This device is realized the location by following steps:
1. the doctor is according to the CT image of patient's lesions position, determine patient's focus target spot, paracentesis depth and body surface optimum puncturing point O ' after, positioner is fixedly set on the patient body, and makes the center chassis point O of device aim at the optimum puncturing point O ' of human body.
2. the doctor operates CT equipment patient's lesions position is scanned, and then image is carried out three-dimensional reconstruction, and two angles of puncture direction, i.e. two angles that curved boom need be regulated determined in quantitative record.
3. two movement arms of adjusting device quantitatively make puncture needle 15 be on the best puncture direction, regulate finish after, use fixing dead two movement arms of top bandage.
4. patient's lesions position is carried out CT scan, determine whether puncture needle 15 is in best puncture direction, checks whether puncture needle 15 guide sheath 16 and focus target spot are in on the straight line, if the hands art can puncture; As not being, determine the difference of puncture angle, and calculate the angle of difference, two movement arms of adjusting device.
This device is realized withdrawing of sting device by following steps:
1. after accurately having determined the correct direction of puncture needle 15, close CT, the doctor is punctured to the focus target spot with puncture needle 15 along guide sheath 16.After puncture needle 15 puncture put in place, carrying out sting device as required, to withdraw the pose of realizing puncture needle 15 puncture needle 15 with separating of positioner constant.
2. take out chassis breach block 9, open top bandage and bottom bandage, first lever arm 13, second lever arm 13 and two semicircular cylinder guide sheath 16 are taken away, open then and connect strip of paper used for sealing 7, form passage, open bonding place, fixing band 6 side at last, positioner can be taken away, finish and the separating of puncture needle 15 along this passage.
Claims (10)
1. a CT guides the lung puncture position finder, comprise: fixed mechanism, body chassis, two movement arm mechanisms and guiding puncture mechanism, wherein: body chassis is fixedly set on the fixed mechanism, two movement arm mechanisms from top to bottom be rotationally connected with body chassis respectively and the first movement arm mechanism vertical mutually with the second movement arm mechanism, guiding puncture mechanism runs through two movement arm mechanisms and fixed mechanism successively and over against the center of circle of fixed mechanism, it is characterized in that:
Described movement arm mechanism comprises: fixed arm, lever arm and graduated disc, wherein: an end of two fixed arms is arranged at the both sides on the diametric(al) of body chassis respectively and is rotationally connected with the chassis, fixedly connected with the other end of two fixed arms respectively by bandage in the two ends of lever arm, graduated disc is fixedly set on the lever arm.
2. CT guiding lung puncture position finder according to claim 1, it is characterized in that, described fixed mechanism by fixing band and the fixing band breach strip of paper used for sealing that flexibly connects with it forms, wherein: fixing band is fixed with human body by the side joint and fixing band is provided with one and the fixing band breach strip of paper used for sealing breach of adhesion mutually.
3. CT guiding lung puncture position finder according to claim 1, it is characterized in that, described body chassis comprises: middle horizontal stripe, non-sealing chassis and the chassis breach block that flexibly connects with it, wherein: complete annular is formed on chassis breach block and chassis, and the two ends of middle horizontal stripe are fixedly set in the inside diameter direction on non-sealing chassis respectively.
4. CT according to claim 2 guiding lung puncture position finder is characterized in that, described in the middle of the cross section of horizontal stripe be arcuate structure and contact that the center of this centre horizontal stripe is provided with perforate with human body.
5. CT guiding lung puncture position finder according to claim 4 is characterized in that the intersection point and the guiding puncture mechanism of described perforate and two movement arm mechanisms all are located on the same line.
6. CT according to claim 1 guiding lung puncture position finder is characterized in that, described bandage is with the fixing component movement arm of lever arm and fixed arm.
7. according to claim 1 or 6 described CT guiding lung puncture position finders, it is characterized in that described lever arm is a C font structure.
8. CT guiding lung puncture position finder according to claim 1, it is characterized in that, described guiding puncture mechanism comprises: puncture needle and guide sheath, wherein: guide sheath is movably set in the guide sheath by top and the puncture needle that the top fixed mechanism is fixedly set in movement arm mechanism.
9. CT according to claim 8 guiding lung puncture position finder is characterized in that, described top fixed mechanism be fixedly connected sequentially guide sheath, the first movement arm mechanism and the second movement arm mechanism and realize not having relative displacement between the three.
10. according to Claim 8 or 9 described CT guiding lung puncture position finders, it is characterized in that described guide sheath is made up of two semicircular cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100687994A CN102090932B (en) | 2011-03-22 | 2011-03-22 | CT guided lung puncture positioning instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100687994A CN102090932B (en) | 2011-03-22 | 2011-03-22 | CT guided lung puncture positioning instrument |
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| CN102090932A true CN102090932A (en) | 2011-06-15 |
| CN102090932B CN102090932B (en) | 2013-01-16 |
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| CN2011100687994A Expired - Fee Related CN102090932B (en) | 2011-03-22 | 2011-03-22 | CT guided lung puncture positioning instrument |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697539A (en) * | 2012-06-27 | 2012-10-03 | 戴宁 | Novel three-dimensional puncture positioning system |
| CN104546132A (en) * | 2014-03-11 | 2015-04-29 | 尚鸣异 | Detachable image-guided puncture device |
| CN105943169A (en) * | 2016-04-19 | 2016-09-21 | 上海市肺科医院 | 3D-printed in-vitro assistant positioning device for lung mass and preparation method for same |
| CN108403192A (en) * | 2018-03-13 | 2018-08-17 | 温州市中心医院 | Sqternal puncture needle lock |
| CN112006756A (en) * | 2020-08-12 | 2020-12-01 | 云南省中医医院(云南中医药大学第一附属医院) | Intervertebral foramen mirror channel guide module and use method thereof |
| CN112220536A (en) * | 2020-10-27 | 2021-01-15 | 青岛大学附属医院 | CT puncture positioning instrument |
| CN112674850A (en) * | 2021-01-05 | 2021-04-20 | 上海睿触科技有限公司 | Compact image-guided puncture surgery auxiliary system |
| CN112842487A (en) * | 2021-02-06 | 2021-05-28 | 中南大学湘雅医院 | Pancreas puncture locator |
| CN113226212A (en) * | 2019-04-24 | 2021-08-06 | 阿布德韶重组基金会 | Guide and support for craniofacial compression |
| CN113349904A (en) * | 2021-07-15 | 2021-09-07 | 重庆大学附属肿瘤医院 | Fixing device for pneumothorax and lung puncture needle |
| CN113952007A (en) * | 2021-12-22 | 2022-01-21 | 真实维度科技控股(珠海)有限公司 | Accurate space positioning puncture equipment |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102697539B (en) * | 2012-06-27 | 2016-04-27 | 青岛银泰医疗科技有限公司 | A kind of novel three-dimensional Needle localization system |
| CN102697539A (en) * | 2012-06-27 | 2012-10-03 | 戴宁 | Novel three-dimensional puncture positioning system |
| CN104546132A (en) * | 2014-03-11 | 2015-04-29 | 尚鸣异 | Detachable image-guided puncture device |
| CN105943169A (en) * | 2016-04-19 | 2016-09-21 | 上海市肺科医院 | 3D-printed in-vitro assistant positioning device for lung mass and preparation method for same |
| CN105943169B (en) * | 2016-04-19 | 2018-11-23 | 上海市肺科医院 | A kind of external auxiliary locator of the pulmonary masses of 3D printing and preparation method thereof |
| CN108403192A (en) * | 2018-03-13 | 2018-08-17 | 温州市中心医院 | Sqternal puncture needle lock |
| CN113226212A (en) * | 2019-04-24 | 2021-08-06 | 阿布德韶重组基金会 | Guide and support for craniofacial compression |
| CN113226212B (en) * | 2019-04-24 | 2024-03-19 | 阿布德韶重组基金会 | Guide and support for craniofacial compressions |
| CN112006756A (en) * | 2020-08-12 | 2020-12-01 | 云南省中医医院(云南中医药大学第一附属医院) | Intervertebral foramen mirror channel guide module and use method thereof |
| CN112220536B (en) * | 2020-10-27 | 2021-11-16 | 青岛大学附属医院 | CT puncture positioning instrument |
| CN112220536A (en) * | 2020-10-27 | 2021-01-15 | 青岛大学附属医院 | CT puncture positioning instrument |
| CN112674850A (en) * | 2021-01-05 | 2021-04-20 | 上海睿触科技有限公司 | Compact image-guided puncture surgery auxiliary system |
| CN112674850B (en) * | 2021-01-05 | 2023-09-26 | 上海睿触科技有限公司 | Compact image-guided puncture operation auxiliary system |
| CN112842487A (en) * | 2021-02-06 | 2021-05-28 | 中南大学湘雅医院 | Pancreas puncture locator |
| CN113349904A (en) * | 2021-07-15 | 2021-09-07 | 重庆大学附属肿瘤医院 | Fixing device for pneumothorax and lung puncture needle |
| CN113349904B (en) * | 2021-07-15 | 2022-11-22 | 重庆大学附属肿瘤医院 | Fixing device for pneumothorax and lung puncture needle |
| CN113952007A (en) * | 2021-12-22 | 2022-01-21 | 真实维度科技控股(珠海)有限公司 | Accurate space positioning puncture equipment |
| CN113952007B (en) * | 2021-12-22 | 2022-03-22 | 真实维度科技控股(珠海)有限公司 | Accurate space positioning puncture equipment |
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