CN203483444U - Novel medical computed-tomographic-scanner-guided puncture angle locator - Google Patents
Novel medical computed-tomographic-scanner-guided puncture angle locator Download PDFInfo
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- CN203483444U CN203483444U CN201320533749.3U CN201320533749U CN203483444U CN 203483444 U CN203483444 U CN 203483444U CN 201320533749 U CN201320533749 U CN 201320533749U CN 203483444 U CN203483444 U CN 203483444U
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Abstract
The utility model discloses a novel medical computed-tomographic-scanner-guided puncture angle locator. The novel medical computed-tomographic-scanner-guided puncture angle locator comprises a locating seat, a locating ring with a positioning hole, a rotating plate and assembling units for fixing a puncture needle. The fixing seat is fixed on the focus portion of a patient, the fixing seat is provided with the rotating plate, the puncture needle fixing assembling units are arranged on the rotating plate, and the assembling units for fixing the puncture needle are divided into three types of a single guide hole assembling unit, a single-layer multi-guide hole assembling unit and a multi-layer multi-guide hole assembling unit. The angle of the assembling unit on an X-axis or/and a Y-axis can be adjusted through a worm gear and worm device. Through accurate positioning of the locator and a self-locking structure of worm gears and worms under the guidance of CT (computed tomography), the novel medical computed-tomographic-scanner-guided puncture angle locator facilitates operation of a doctor, can guarantee the success of the puncture at a first try, can greatly reduce the repeated puncture rate, and reduces tissue wounds and complications.
Description
Technical field
This utility model relates to a kind of puncture angle positioner under guidance of medical computed tomographic scanner.
Background technology
Medical computer tomographic scanner (CT) guided percutaneous biopsy is an easy and technology that wound is little, extensive use clinically now, can, for etiologic diagnosis provides reliable histocytology foundation, also can carry out the treatment of pathological changes part.And accuracy rate and the complication of puncture are the two large problems that doctor studies always, many scholars also did a large amount of improvement technically.If it is improper that optimum puncturing point and puncture angle are selected, may repeat inserting needle, very easily cause various complication, as infected, hemorrhage etc., severe patient can cause death.In addition, focus is less, and puncture success rate is lower, has incured loss through delay etiologic diagnosis and the treatment of early stage disease.The success rate that determines puncture has two large main points: depth of needle and needle angle.Depth of needle can be measured by CT scanner, and the success rate of needle angle is entirely determined by puncture doctor's technology and experience.Especially, for the focus of diameter 0.5cm size, puncture doctor is difficult to hold.How to reduce repeated localised puncture rate, reduce the generation of tissue injury and complication, become the problem that people pay close attention to always and study.Applicant has applied for utility model patent ZL20102068049.2 in 2010, its disclosed device can be fine the positioning of help puncture doctor.But the angle locater that patent ZL20102068049.2 mentions is adjusted position because needs operator directly swings each parts with hands, and after adjusting, also to fix by screw angle orientation inaccuracy, inconvenient operation.
Summary of the invention
The purpose of this utility model is to provide a kind of new medical computed tomographic scanner Conducted Puncture angle locater, to solve the accuracy that increases substantially location, reduce technical difficulty in surgical doctor piercing process, effectively reduce wound and the complication of tissue and can guide the technical problems such as a plurality of puncture needles.
This utility model is realized foregoing invention object, and the technical scheme adopting is as follows:
A new medical computed tomographic scanner Conducted Puncture angle locater, comprising: positioning seat, the locating ring with centre bore, rotation disc and the fixedly molectron of puncture needle; Described holder is that circular ring type base and its cylindrical extend outward a pair of wing plate being arranged symmetrically with, and is rotating syndeton in vertical direction between this pair of seesaw and circular ring type base; The described locating ring with centre bore is that annular and below are processed with annular steps, and when positioning seat is positioned, the annular steps of described locating ring is nested in the hole of described circular ring type base, and the centre bore of this locating ring is locating hole; Described rotation disc is that annular and below are processed with annular steps, and after completing positioning seat location, the annular steps of described rotation disc is nested in the hole of described circular ring type base; The molectron of described fixedly puncture needle is fixed on rotation disc, and fixedly the molectron of puncture needle is divided into single pilot hole, monolayer navigate three kinds, the hole of hole and multilamellar of navigating more more; Wherein the assembling unit structure of single pilot hole is the single hole part of fixedly puncture needle, is connected successively by realizing the turbine of X, Y-axis rotation with worm screw with described rotation disc; Monolayer the navigate assembling unit structure in hole of hole or multilamellar that navigates is the monolayer of fixedly puncture needle hole or the multilamellar hole part that navigates that navigates more more more more, by realizing the turbine that X or Y-axis rotate, is connected with described rotation disc with worm screw; Described monolayer hole or the multilamellar hole part that navigates that navigates is by the assembled combinative structure of then pegging graft of layer more more.
Described rotation disc is positioned at the fixedly molectron front side of puncture needle, it is a dismountable side, have withdraw of the needle breach, one end and breach one end are installed on this breach rotatable fixing, the rotation disc that the slot of the other end and the breach other end the is fixed part that reinforces the connection.
The assembling unit structure of described single pilot hole is to annulus outside, to extend a levelling bench at the upper surface of rotation disc, the fixing a pair of vertical journal stirrup two in described platform upper surface, a pair of vertical journal stirrup one is separately fixed at the annulus upper surface of platform upper surface and platform offside, and be fixed on the centre that journal stirrup one on platform is positioned at described a pair of journal stirrup two, the line of described a pair of journal stirrup one overlaps with the circle diameter of described rotation disc and is vertical with the line of described a pair of journal stirrup two; A vertical semi-circular plate is installed in rotation disc top, the cambered surface of described semi-circular plate up and plane in bottom, keep level, semi-circular plate is hinged on described a pair of journal stirrup one by the bearing pin of a pair of horizontal direction; One side fixed turbine of described semi-circular plate turns together around bearing pin with it in the lump, and described turbine one is rotationally connected and is arranged on described a pair of journal stirrup two with worm screw one engagement, described worm screw one; The fixing a pair of journal stirrup three that is positioned at horizontal level in top of one side of described semi-circular plate, in the middle of the bottom of semi-circular plate, perforate is rotationally connected an axle in the lump, one end of described axle is fixedly connected with turbine two, the same side that described turbine two and journal stirrup three are positioned at semi-circular plate, turbine two is rotationally connected and is arranged on described a pair of journal stirrup three with worm screw two engagements, described worm screw two; Described turbine one and the axis of turbine two are orthogonal; In the another side of described semi-circular plate, be provided with a breach, locating piece is arranged in breach, and the other end of described axle is fixedly connected with locating piece, described turbine two drives locating piece with turning by axle, the center of locating piece is provided with single pilot hole of vertical direction, the central axes of the central axis of described pilot hole and described annulus base; Described locating piece is fixedly comprised of two identical trapezoid block docking, and on the interface of described trapezoid block, along trapezoidal centrage, processing a cross section is semicircular groove; After two described trapezoid block docking, two grooves are combined into described pilot hole; At the semicircle baffle plate of a side grafting immobile phase coupling of described semi-circular plate, and described locating piece is between semicircle baffle plate and semi-circular plate; The breach of described semi-circular plate is fan-shaped, described sector notch in the centre of semi-circular plate and the both sides of sector notch be a pair of limited block, described a pair of limited block is positioned at locating piece by the rotary motion trace of axle driven rotary, and it is 60 ° that the anglec of rotation of locating piece is restricted to the maximum angle of vertical direction.
Described turbine one is sectional wheel with turbine two, and central angle is 40-120 °.
A kind of puncture angle positioner under guidance of medical computed tomographic scanner described in the utility model can increase substantially the accuracy of location, reduce technical difficulty in surgical doctor piercing process, can realize one-time puncture success, by turbine and worm, adjust guide pad angle, can effectively control needle angle, the focus of the diameter 0.5cm size that can successfully puncture; After adjustment finishes, by turbine and worm self-locking, realize and being automatically locked; This positioner device has reduced repeated localised puncture rate, has also reduced the wound of tissue and wound and the complication that complication reduces tissue.Monolayer porous and multi-layer porous puncture needle molectron can also be provided, can facilitate again the withdraw of the needle of puncture needle, simultaneously because the angle of seesaw is adjustable, facilitate fixing.
Accompanying drawing explanation
Fig. 1 is one of perspective view of single pilot hole molectron localizer of the present utility model;
Fig. 2 is two of single pilot hole molectron localizer perspective view of the present utility model;
Fig. 3 is the structural representation of rotation disc;
Fig. 4 is the structural representation of the molectron localizer in monolayer three holes;
Fig. 5 is the structural representation of locating ring;
Fig. 6 is the structural representation of multi-layer porous molectron localizer.
The specific embodiment
A puncture angle positioner under guidance of medical computed tomographic scanner, the structure of the localizer that wherein fixedly the molectron of puncture needle is single pilot hole is referring to Fig. 1-2.Firm banking 1 extends outward a pair of wing plate 102 being arranged symmetrically with for circular ring type base and its cylindrical; Rotation disc 2 is for annular and below are processed with annular steps, and the annular steps of described rotation disc is nested in the hole of described circular ring type firm banking 1.
Referring to Fig. 5, the described locating ring 40 with centre bore is processed with annular steps for annular and below, when positioning seat 1 is positioned, the annular steps of described locating ring 40 is nested in the hole of described circular ring type base, and the centre bore of this locating ring is locating hole 401.
As Fig. 1,2,3, the upper surface of rotation disc extends a levelling bench 204 to annulus outside, the fixing a pair of vertical journal stirrup 2 203 in described platform upper surface, a pair of vertical journal stirrup 1 is separately fixed at the annulus upper surface of platform upper surface and platform offside, and be fixed on the centre that journal stirrup 1 on platform is positioned at described a pair of journal stirrup 2 203, the line of described a pair of journal stirrup 1 overlaps with the circle diameter of described rotation disc 2 and is vertical with the line of described a pair of journal stirrup 2 203; A vertical semi-circular plate 9 is installed in rotation disc top, the cambered surface of described semi-circular plate up and plane in bottom, keep level, on described a pair of journal stirrup 1, process the pin-and-hole one of a pair of horizontal direction, described semi-circular plate lower end both sides perforate two is also hinged by bearing pin 3 and pin-and-hole one, and semi-circular plate is hinged on described a pair of journal stirrup 1 by the bearing pin 3 of a pair of horizontal direction.One side fixed turbine 1 of described semi-circular plate also turns together around bearing pin 3 with it, described turbine 1 and worm screw one 7 engagements.On described a pair of journal stirrup 2 203, process the pin-and-hole two of a pair of correspondence, worm screw one is through in pin-and-hole two and can rotates, and described worm screw one is rotationally connected and is arranged on described a pair of journal stirrup 2 203.Turbine one worm screw one forms turbine and worm mechanism, and can drive semi-circular plate to swing.
The fixing a pair of journal stirrup 3 901 that is positioned at horizontal level in top of one side of described semi-circular plate 9, in the middle of the bottom of semi-circular plate, perforate is rotationally connected an axle 902 in the lump, described semi-circular plate 9 does not rotate with axle 902, one end of described axle 902 is fixedly connected with turbine 25, the same side that described turbine 25 and journal stirrup three are positioned at semi-circular plate, turbine 25 is rotationally connected and is arranged on described a pair of journal stirrup 3 901 with worm screw 26 engagements, described worm screw two; Described turbine one and the axis of turbine two are orthogonal; In the another side of described semi-circular plate, be provided with a breach, locating piece 10 is arranged in breach, and the other end of described axle 902 is fixedly connected with locating piece 10, described turbine two drives locating piece with turning by axle 902, and semi-circular plate 9 differences turn, the center of locating piece is provided with the pilot hole 12 of vertical direction, the central axes of the central axis of described pilot hole and described annulus firm banking 1.Turbine two worm screws two form turbine and worm mechanisms, and can drive locating piece to swing, and the swinging track of the semi-circular plate that drives perpendicular to described turbine one worm screw one of swinging track.
Described locating piece 10 is fixedly comprised of two identical trapezoid block docking, and on the interface of described trapezoid block, along trapezoidal centrage, processing a cross section is semicircular groove; After two described trapezoid block docking, two grooves are combined into described pilot hole 12.This structure facilitates processing, and is easy for installation and removal while using.
At the semicircle baffle plate 8 of a side grafting immobile phase coupling of described semi-circular plate 9, and described locating piece is between semicircle baffle plate 8 and semi-circular plate 9.Semicircle baffle plate, for further stationary positioned piece, makes it can not fall down from a side.
The breach of described semi-circular plate 9 is fan-shaped, described sector notch in the centre of semi-circular plate and the both sides of sector notch be a pair of limited block, described a pair of limited block is positioned at locating piece by the rotary motion trace of axle driven rotary, and it is 60 ° that the anglec of rotation of locating piece is restricted to the maximum angle of vertical direction.
In order to reduce the size of a whole set of positioner device, described turbine 1 is sectional wheel with turbine 25, and central angle is 40-120 °.
Referring to Fig. 4, described rotation disc 2 is positioned at the fixedly molectron front side of puncture needle, it is a dismountable side, have withdraw of the needle breach, the rotating shaft 20 of establishing in one end and breach one end is installed on this breach rotatable fixing, the rotation disc that the slot 22 of the other end and the breach other end the is fixed part 21 that reinforces the connection.
Fixedly the molectron of puncture needle is that the structure of localizer of the many pilot holes of monolayer is referring to Fig. 4.Have the molectron of monolayer three pilot holes to be connected with turbine 1 by bearing pin 3, nest bar 1 and turbine one 4 engagements, adjust nest bar 1 and drive turbine 1 and bearing pin 3 to rotate, and then make the molectron of monolayer three pilot holes make unidirectional angle adjustment along X-axis or Y-axis.Molectron in the present embodiment only has one group of turbine and worm screw to drive, and adjusts function when therefore not having X-axis as shown in Figure 1, 2 and Y-axis.The described monolayer hole molectron of navigating together assembled by plug-in unit by forward and backward two assemblys 301,302 more, and pilot hole wherein consists of the groove being positioned between the two.The structural similarity of the many pilot holes of monolayer shown in described multi-layer porous navigation aperture member and Fig. 4 is added one or more pieces assemblys on the basis of one deck again, can form the composite unit structure of multilamellar, shown in Figure 6.
During use, a whole set of puncture angle localizer is placed on to lesions position, make lesions position in annulus base, again locating ring is put on firm banking, by locating hole, determine after lesions position, use the sticky a pair of wing plate of medical adhesive tape or rubber plaster to skin, localizer is fixed on to body foci position.The navigation hole 12 of locating piece 10 is for penetrating puncture needle.Turn worm screw one and drive turbine 1 to drive semi-circular plate 9 around bearing pin 3 rotations, drive locating piece 10 to rotate around bearing pin; Turn worm screw two and drive turbine 25 to drive locating piece 10 to swing in the plane perpendicular to bearing pin 3, under CT guiding, realize at horizontal stroke, longitudinally adjust angle.After angle adjustment, stop turning, due to the latching characteristics of turbine and worm, locating piece is motionless.Location after without by other means, locating piece being fixed, convenient operation.Puncture needle is punctured along navigation hole and according to the degree of depth of CT sign, can guarantee the disposable success of puncturing.Significantly reduce repeated localised puncture rate, reduced tissue injury and complication.
If puncture procedure is had any problem, can first pull down semicircle baffle plate 8, then pull down a trapezoid block that forms locating piece 10, now a side of puncture needle is not just blocked.Now by rotation disc 2 and on the turbine and worm installed from fixing head, take off together, only stay through CT guiding and determined the puncture needle of position.Be convenient to doctor's operation.
Claims (4)
1. a new medical computed tomographic scanner Conducted Puncture angle locater, is characterized in that, comprising: positioning seat, the locating ring with centre bore, rotation disc and the fixedly molectron of puncture needle; Described holder is that circular ring type base and its cylindrical extend outward a pair of wing plate being arranged symmetrically with, and is rotating syndeton in vertical direction between this pair of seesaw and circular ring type base; The described locating ring with centre bore is that annular and below are processed with annular steps, and when positioning seat is positioned, the annular steps of described locating ring is nested in the hole of described circular ring type base, and the centre bore of this locating ring is locating hole; Described rotation disc is that annular and below are processed with annular steps, and after completing positioning seat location, the annular steps of described rotation disc is nested in the hole of described circular ring type base; The molectron of described fixedly puncture needle is fixed on rotation disc, and fixedly the molectron of puncture needle is divided into single pilot hole, monolayer navigate three kinds, the hole of hole and multilamellar of navigating more more; Wherein the assembling unit structure of single pilot hole is the single hole part of fixedly puncture needle, is connected successively by realizing the turbine of X, Y-axis rotation with worm screw with described rotation disc; Monolayer the navigate assembling unit structure in hole of hole or multilamellar that navigates is the monolayer of fixedly puncture needle hole or the multilamellar hole part that navigates that navigates more more more more, by realizing the turbine that X or Y-axis rotate, is connected with described rotation disc with worm screw; Described monolayer hole or the multilamellar hole part that navigates that navigates is by the assembled combinative structure of then pegging graft of layer more more.
2. a kind of new medical computed tomographic scanner Conducted Puncture angle locater according to claim 1, it is characterized in that, described rotation disc is positioned at the fixedly molectron front side of puncture needle, it is a dismountable side, have withdraw of the needle breach, one end and breach one end are installed on this breach rotatable fixing, the rotation disc that the slot of the other end and the breach other end the is fixed part that reinforces the connection.
3. a kind of new medical computed tomographic scanner Conducted Puncture angle locater according to claim 1 and 2, it is characterized in that, the assembling unit structure of described single pilot hole is to annulus outside, to extend a levelling bench at the upper surface of rotation disc, the fixing a pair of vertical journal stirrup two in described platform upper surface, a pair of vertical journal stirrup one is separately fixed at the annulus upper surface of platform upper surface and platform offside, and be fixed on the centre that journal stirrup one on platform is positioned at described a pair of journal stirrup two, the line of described a pair of journal stirrup one overlaps with the circle diameter of described rotation disc and is vertical with the line of described a pair of journal stirrup two, a vertical semi-circular plate is installed in rotation disc top, the cambered surface of described semi-circular plate up and plane in bottom, keep level, semi-circular plate is hinged on described a pair of journal stirrup one by the bearing pin of a pair of horizontal direction, one side fixed turbine of described semi-circular plate turns together around bearing pin with it in the lump, and described turbine one is rotationally connected and is arranged on described a pair of journal stirrup two with worm screw one engagement, described worm screw one, the fixing a pair of journal stirrup three that is positioned at horizontal level in top of one side of described semi-circular plate, in the middle of the bottom of semi-circular plate, perforate is rotationally connected an axle in the lump, one end of described axle is fixedly connected with turbine two, the same side that described turbine two and journal stirrup three are positioned at semi-circular plate, turbine two is rotationally connected and is arranged on described a pair of journal stirrup three with worm screw two engagements, described worm screw two, described turbine one and the axis of turbine two are orthogonal, in the another side of described semi-circular plate, be provided with a breach, locating piece is arranged in breach, and the other end of described axle is fixedly connected with locating piece, described turbine two drives locating piece with turning by axle, the center of locating piece is provided with single pilot hole of vertical direction, the central axes of the central axis of described pilot hole and described annulus base, described locating piece is fixedly comprised of two identical trapezoid block docking, and on the interface of described trapezoid block, along trapezoidal centrage, processing a cross section is semicircular groove, after two described trapezoid block docking, two grooves are combined into described pilot hole, at the semicircle baffle plate of a side grafting immobile phase coupling of described semi-circular plate, and described locating piece is between semicircle baffle plate and semi-circular plate, the breach of described semi-circular plate is fan-shaped, described sector notch in the centre of semi-circular plate and the both sides of sector notch be a pair of limited block, described a pair of limited block is positioned at locating piece by the rotary motion trace of axle driven rotary, and it is 60 ° that the anglec of rotation of locating piece is restricted to the maximum angle of vertical direction.
4. a kind of puncture angle positioner under guidance of medical computed tomographic scanner according to claim 3, is characterized in that, described turbine one is sectional wheel with turbine two, and central angle is 40-120 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533749.3U CN203483444U (en) | 2013-08-29 | 2013-08-29 | Novel medical computed-tomographic-scanner-guided puncture angle locator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320533749.3U CN203483444U (en) | 2013-08-29 | 2013-08-29 | Novel medical computed-tomographic-scanner-guided puncture angle locator |
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| CN203483444U true CN203483444U (en) | 2014-03-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104161574A (en) * | 2014-08-29 | 2014-11-26 | 杭州三坛医疗科技有限公司 | Biopsy puncture auxiliary locator |
| CN105193478A (en) * | 2015-10-20 | 2015-12-30 | 天津大学 | Puncture device with RCM (remote center of motion) based on wire driving |
| CN109009359A (en) * | 2018-10-10 | 2018-12-18 | 上海契斯特医疗科技公司 | A kind of puncture uses positioning device and its application method |
| CN110141329A (en) * | 2019-06-25 | 2019-08-20 | 浙江伽奈维医疗科技有限公司 | Digital location device system |
| CN110559055A (en) * | 2019-09-20 | 2019-12-13 | 佳木斯大学 | Positioning puncture device for cardiology department |
| CN113952008A (en) * | 2021-12-23 | 2022-01-21 | 真健康（北京）医疗科技有限公司 | Cross-drive type puncture needle inserting mechanism and needle puncturing device |
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2013
- 2013-08-29 CN CN201320533749.3U patent/CN203483444U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104161574A (en) * | 2014-08-29 | 2014-11-26 | 杭州三坛医疗科技有限公司 | Biopsy puncture auxiliary locator |
| CN104161574B (en) * | 2014-08-29 | 2016-06-29 | 杭州三坛医疗科技有限公司 | Biopsy auxiliary positioning instrument |
| CN105193478A (en) * | 2015-10-20 | 2015-12-30 | 天津大学 | Puncture device with RCM (remote center of motion) based on wire driving |
| CN105193478B (en) * | 2015-10-20 | 2017-07-07 | 天津大学 | The sting device with distal movement center based on silk transmission |
| CN109009359A (en) * | 2018-10-10 | 2018-12-18 | 上海契斯特医疗科技公司 | A kind of puncture uses positioning device and its application method |
| CN110141329A (en) * | 2019-06-25 | 2019-08-20 | 浙江伽奈维医疗科技有限公司 | Digital location device system |
| CN110141329B (en) * | 2019-06-25 | 2023-11-28 | 浙江伽奈维医疗科技有限公司 | Digital locator system |
| CN110559055A (en) * | 2019-09-20 | 2019-12-13 | 佳木斯大学 | Positioning puncture device for cardiology department |
| CN113952008A (en) * | 2021-12-23 | 2022-01-21 | 真健康（北京）医疗科技有限公司 | Cross-drive type puncture needle inserting mechanism and needle puncturing device |
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