CN201595839U - Puncture positioning and guiding device for CT or nuclear magnetic resonance - Google Patents
Puncture positioning and guiding device for CT or nuclear magnetic resonance Download PDFInfo
- Publication number
- CN201595839U CN201595839U CN2009201740192U CN200920174019U CN201595839U CN 201595839 U CN201595839 U CN 201595839U CN 2009201740192 U CN2009201740192 U CN 2009201740192U CN 200920174019 U CN200920174019 U CN 200920174019U CN 201595839 U CN201595839 U CN 201595839U
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- puncture
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Abstract
The utility model relates to a puncture positioning and guiding device for CT or nuclear magnetic resonance, which belongs to a medical device and solves the problems of inaccurate puncture or route deviation caused due to the differences in clinical experience and operating methods when a doctor performs a puncture operation under the guiding of CT or nuclear magnetic resonance. The puncture positioning and guiding device for CT or nuclear magnetic resonance comprises a base, a positioning plate, an arc-shaped sliding plate and a guiding device which is mounted on the arc-shaped sliding plate; the base is provided with a long chute which is connected with the positioning plate and can move to and fro and be fixed at any point; the positioning plate is internally provided with an axial conical through hole which is internally provided with a conical shaft; one end of the shaft is provided with an arc-shaped joint which is movably connected with the arc-shaped slide plate; the chute arranged in the arc-shaped sliding plate is connected with the guiding device which comprises an angle adjusting plate, a guiding pipe and a guiding needle rod, and the lower end of the angle adjusting plate is mounted in the chute of the arc-shaped sliding plate; and a puncture needle groove is formed between the guiding pipe and the guiding needle rod. The puncture positioning and guiding device for CT or nuclear magnetic resonance can enable the guiding needle groove, a puncture point and a puncture target to stay in a same axis, thereby achieving the functions of accurate positioning and accurate guiding.
Description
Technical field
This utility model belongs to a kind of armarium, and a kind of accurate localization and guiding device are provided when puncturing pathological changes for the doctor under CT or nuclear magnetic resonance, NMR guiding.
Background technology
CT or nuclear magnetic resonance, NMR guiding paracentesis have down been carried out in succession in each hospital, its key technology is how accurately body surface is located and correct grasp puncture angle and inserting needle route, wherein the body surface anchor point should be avoided skeleton and important blood vessels, needle angle should be on the same axis with target, and puncture needle inserting needle route should be in same horizontal plane with CT or nuclear magnetic resonance, NMR scanning aspect.At present, the enforcement of this operation is that the doctor determines entry point, needle angle and inserting needle route by rule of thumb according to image scan figure, because of clinical experience and operational approach difference separately, there is significant difference in technical merit, often cause point of puncture inaccuracy or the skew of puncture route, and cause puncture failure, even lead to complications.
The utility model content
The purpose of this utility model is to overcome the defective that above-mentioned prior art exists, and provide a kind of CT of being applicable to or nuclear magnetic resonance, NMR puncture used location and guiding device, so that provide accurate localization and guiding when under CT and nuclear magnetic resonance, NMR guiding, puncturing, further improve puncture degree of accuracy and puncture success rate.
The technical scheme that its technical problem that solves this utility model adopts is:
This device is combined by base, location-plate, arc skateboard and the guiding device that is installed on the arc skateboard, and wherein base and location-plate flexibly connect, and location-plate flexibly connects with arc skateboard, arc skateboard and guiding device flexible connection; Base is a rectangular slab, and a side is provided with draw-in groove, can snap in examinating couch and fixing, and the center line position is provided with long chute, borrows bolt of fixing plate to be connected with location-plate with the attaching nut, and can move around in groove and be fixed on any point; Be provided with axial cone-shaped hole in the location-plate, its major axis is vertical with the base major axis, is furnished with diminished shaft in the sky, and axle one end is provided with arc-shaped joint and flexibly connects with arc skateboard, and the other end is provided with screw, borrows locking nut and location-plate to fix; Arc skateboard is flexibly connected by two and half arcs and forms, and is provided with chute along center line, and is connected with guiding device; Guiding device comprises angle modulation plate, guiding tube and guiding shank, angle modulation plate upper end is provided with angle modulation plate chute, a screw rod is fixed in the lower end of angle modulation plate, this screw rod passes the chute on the arc skateboard, the head end of screw rod is provided with locking nut, the angle modulation plate is fixed on the arc skateboard, on the angle modulation plate by the hinged elongated cylindrical guiding tube that is provided with axially extending bore of bearing pin, elongated cylindrical and cross section are housed in the guiding tube are " C " shape guiding shank, itself and guiding tube inwall form the elongated tubular guide needle needle tray of a closure; Above-mentioned each unit construction forms a semiarc shape frame structure together, and the guiding needle tray of formation is corresponding with base, can do synchronously parallel moving with location-plate, also can move flexibly and adjusting angle at the same coronal plane in arc skateboard upper edge.
Further technical scheme:
The long chute of described base edge portion is provided with rule.
Described arc skateboard edge portion is provided with rule.
The arc limit of described angle modulation plate is provided with angle index, and this scale is the center with the axis of alignment pin.
Described arc skateboard is flexibly connected by two and half arcs and forms, and the cross section is " recessed " type.
Location-plate is provided with sign on the described location-plate, and this sign parallels and on the same theory plane with the guiding needle tray.
Described guiding tube lower end is provided with an elongate cylinder that intersects vertically with guiding tube, and this cylinder is parallel with base.
The beneficial effects of the utility model are: puncture used location and guiding device of CT or nuclear magnetic resonance, NMR can make guiding needle tray, point of puncture, 3 of sites of puncture be on the same axis, accurate location and guiding function have been reached, show that by large sample (100 example) result of the test this device puncture degree of accuracy of use can reach 5mm, puncture success rate can reach 100%, accuracy, practicality and the science of this device have been demonstrated fully, have scientific structure, characteristics such as simple to operate, practical, be worth in clinical medicine, promoting, using.
Description of drawings
Below in conjunction with accompanying drawing this utility model is further described,
Fig. 1 is the axonometric drawing (right anterior aspect) that waits of the present utility model
Fig. 2 is the axonometric drawing (left back sight) that waits of the present utility model
Fig. 3 is axonometric drawings (left back sight) such as location-plate
Fig. 4 is a location-plate top view profile
Fig. 5 is the axonometric drawing (anterior aspect) such as grade of guiding device
Fig. 6 is the axonometric drawing (back sight) such as grade of guiding device
Fig. 7 is the section left view of guiding device
Among the figure: 1 base, 2 location-plates, 3 arc skateboards, 4 angle modulation plates, 5 draw-in grooves, 6 long chutes, 7 diminished shafts, 8 arc-shaped joints, 9 guiding tubes, 10 arc chutes, 11 arc skateboard hinged places, 12 guiding shanks, 13 hold-down nuts two, 14 hold-down nuts one, 15 locking nuts, 16 bolt of fixing plates, 17 attaching nuts, 18 bolts, 19 hold-down nuts three, 20 jump rings, 21 guiding needle trays, 22 angle modulation plate chutes, 23 horizontal cylinders, 24 cylindrical pins, 25 screw rods, 26 location-plate circular holes, 27 laterally-elongated cylinders.
The specific embodiment
Shown in Fig. 1,2,3,4, puncture used location and guiding device of this CT or nuclear magnetic resonance, NMR is made up of base 1, location-plate 2, arc skateboard 3 and guiding device.Wherein base 1 is that the quadrate plastic material of a block length is made, and the center has long chute 6, one sides and is provided with draw-in groove 5, can snap in examinating couch left side or right side and fixing according to the operating position;
Location-plate 2 is made by the square plastic material, midline position is provided with circular hole 26, the long chute of internal diameter and base 6 is identical, bolt of fixing plate 16 connects the long chute 6 of base and location-plate circular hole 26 combines with attaching nut 17, base 1 and location-plate 2 are linked together, and location-plate 2 is slided in base chute 6 and be fixed on arbitrary position, location-plate 2 is provided with axial cone-shaped hole with base major axis vertical, in be furnished with diminished shaft 7, axle one end is provided with arc-shaped joint 8, borrows bolt 18 and hold-down nut 1 and arc skateboard 3 to flexibly connect;
The design of arc skateboard 3 simulation human body horizontal sections is hinged the forming of little arc of " recessed " type by two cross sections, and promptly the arc skateboard hinged place 11; Can make it more press close to skin according to patient's fat or thin adjusting arc skateboard when operating like this; Arc skateboard 3 upper edge centrages are provided with arc chute 10.
As Fig. 2,5,6, shown in 7, guiding device comprises angle modulation plate 4, guiding tube 9, guiding shank 12, a screw rod 25 is fixed in the lower end of described angle modulation plate 4, this screw rod 25 passes the arc chute 10 on the arc skateboard 3, and and 10 of arc chutes have certain interval, the head end of screw rod 25 is provided with hold-down nut 2 13, tightening hold-down nut 2 13 can be fixed in angle modulation plate 4 on the arc skateboard 3, guiding tube 9 is by cylindrical pin 24 and jump ring 20 hinged angle modulation plates 4, guiding tube 9 is the oval column of hollow, the upper edge, side is axially arranged with opening, guiding tube 9 tops are provided with horizontal cylinder 23 and break-through angle modulation plate chute 22, laterally the cephalic par of cylinder 23 is provided with screw thread, and installs and fixes nut 1, and guiding shank 12 external diameters are identical with guiding tube 9 internal diameters, and insert in the guiding tube 9, guiding shank 12 is provided with the long opening that the cross section is " C " type vertically, and long opening and guiding tube 9 inwalls form the guide needle needle tray 21 of a closure, and the guiding tube head end is provided with one and the elongate cylinder 27 that intersects vertically of guiding tube.
This installs each parts and all adopts nonmetallic materials (as: plastics, acrylic, resin) to make.During use, in advance CT or nuclear magnetic resonance scanning in advance, determine the puncture aspect after, this device is fixed on equipment inspection bed one side, location-plate slides to the puncture aspect fixing in base; The angle modulation plate is fixing slide into entry point in the arc skateboard chute after; Thrust guid needle by the guiding needle tray, scanning is confirmed guid needle and puncture target whether on same axis once more, suitably adjust confirm after, advance puncture needle and finish puncture.
The above; it only is this utility model preferred implementation; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that this utility model discloses; can change easily or replace, all should be encompassed within the protection domain of the present utility model.
Claims (9)
1. puncture used location and guiding device of CT or nuclear magnetic resonance, NMR, it is characterized in that: combine by base, location-plate, arc skateboard and the guiding device that is installed on the arc skateboard, described base is a rectangular slab, in be provided with long chute, location-plate is connected with it, and can move around and be fixed on any point, be provided with axial cone-shaped hole in the location-plate, in be furnished with diminished shaft, axle one end borrows arc-shaped joint and arc skateboard to flexibly connect, be provided with arc chute in the arc skateboard, and be connected with guiding device.
2. CT according to claim 1 or nuclear magnetic resonance, NMR puncture used location and guiding device, it is characterized in that: the long chute of base edge is provided with rule.
3. CT according to claim 1 or nuclear magnetic resonance, NMR puncture used location and guiding device is characterized in that: axially the major axis of cone-shaped hole is vertical with the base major axis in the location-plate.
4. CT according to claim 1 or nuclear magnetic resonance, NMR puncture used location and guiding device is characterized in that: arc skateboard is flexibly connected by two and half arcs and forms, and the cross section is " recessed " type.
5. CT according to claim 1 or nuclear magnetic resonance, NMR puncture used location and guiding device, it is characterized in that: location-plate is provided with sign, and this sign parallels with guiding shank on the guiding device and on the same theory plane.
6. CT according to claim 1 or nuclear magnetic resonance, NMR puncture used location and guiding device, it is characterized in that: guiding device comprises the angle modulation plate, guiding tube and guiding shank, angle modulation plate upper end is provided with arc angle modulation plate chute, a screw rod is fixed in the lower end of angle modulation plate, this screw rod passes the chute on the arc skateboard, the head end of screw rod is provided with nut, guiding tube is connected with the angle modulation plate by bearing pin is hinged, this bearing pin is hinged corresponding with the arc chute on the angle modulation plate, the guiding tube top is provided with the horizontal cylinder of break-through angle modulation plate chute, the cross section is housed in the guiding tube is " C " type long cylinder guiding shank.
7. CT according to claim 6 or nuclear magnetic resonance, NMR puncture used location and guiding device, it is characterized in that: the arc limit of described angle modulation plate is provided with angle index, and this scale is the center with the hinged axis of bearing pin.
8. CT according to claim 6 or nuclear magnetic resonance, NMR puncture used location and guiding device, it is characterized in that: described guiding tube is the elongated cylindrical of axially extending bore, and its sidewall is provided with long opening.
9. CT according to claim 6 or nuclear magnetic resonance, NMR puncture used location and guiding device, it is characterized in that: the guiding tube lower end is provided with an elongate cylinder, and this cylinder and guiding tube intersect vertically, and be parallel with base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201740192U CN201595839U (en) | 2009-08-19 | 2009-08-19 | Puncture positioning and guiding device for CT or nuclear magnetic resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201740192U CN201595839U (en) | 2009-08-19 | 2009-08-19 | Puncture positioning and guiding device for CT or nuclear magnetic resonance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201595839U true CN201595839U (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201740192U Expired - Fee Related CN201595839U (en) | 2009-08-19 | 2009-08-19 | Puncture positioning and guiding device for CT or nuclear magnetic resonance |
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| Country | Link |
|---|---|
| CN (1) | CN201595839U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181764A (en) * | 2011-12-30 | 2013-07-03 | 上海爱立峰医疗科技有限公司 | Magnetic resonance scanning positioning system and directivity positioning scanning method |
| CN104921784A (en) * | 2015-06-15 | 2015-09-23 | 张宝国 | Lateral ventricle frontal angle puncture guiding device |
| CN105025837A (en) * | 2013-03-15 | 2015-11-04 | 布里格海姆妇女医院公司 | Needle placement manipulator with two rotary guides |
| CN105455899A (en) * | 2014-08-08 | 2016-04-06 | 深圳市贝斯达医疗股份有限公司 | Non-magnetic mechanical arm for magnetic resonance surgical navigation system |
| CN106422043A (en) * | 2016-10-30 | 2017-02-22 | 天津大学 | Auxiliary automatic positioning mechanism for tumor radiotherapy seed implantation |
| CN106994646A (en) * | 2017-02-27 | 2017-08-01 | 梧州市东麟宝石机械有限公司 | A kind of milling bar adjustable mechanism of Gem lapping machine |
| CN112494114A (en) * | 2019-09-16 | 2021-03-16 | 李升锦 | Puncture positioning fixer under CT guide |
| WO2022199123A1 (en) * | 2021-03-24 | 2022-09-29 | 真实维度科技控股(珠海)有限公司 | Auxiliary guiding and positioning apparatus for ct-guided puncture |
-
2009
- 2009-08-19 CN CN2009201740192U patent/CN201595839U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103181764A (en) * | 2011-12-30 | 2013-07-03 | 上海爱立峰医疗科技有限公司 | Magnetic resonance scanning positioning system and directivity positioning scanning method |
| CN105025837A (en) * | 2013-03-15 | 2015-11-04 | 布里格海姆妇女医院公司 | Needle placement manipulator with two rotary guides |
| CN105025837B (en) * | 2013-03-15 | 2017-10-13 | 布里格海姆妇女医院公司 | Pin with two rotating guides places executor |
| CN105455899A (en) * | 2014-08-08 | 2016-04-06 | 深圳市贝斯达医疗股份有限公司 | Non-magnetic mechanical arm for magnetic resonance surgical navigation system |
| CN104921784A (en) * | 2015-06-15 | 2015-09-23 | 张宝国 | Lateral ventricle frontal angle puncture guiding device |
| CN104921784B (en) * | 2015-06-15 | 2018-06-05 | 张宝国 | A kind of cornu frontale ventriculi lateralis guiding puncture device |
| CN106422043A (en) * | 2016-10-30 | 2017-02-22 | 天津大学 | Auxiliary automatic positioning mechanism for tumor radiotherapy seed implantation |
| CN106994646A (en) * | 2017-02-27 | 2017-08-01 | 梧州市东麟宝石机械有限公司 | A kind of milling bar adjustable mechanism of Gem lapping machine |
| CN112494114A (en) * | 2019-09-16 | 2021-03-16 | 李升锦 | Puncture positioning fixer under CT guide |
| WO2022199123A1 (en) * | 2021-03-24 | 2022-09-29 | 真实维度科技控股(珠海)有限公司 | Auxiliary guiding and positioning apparatus for ct-guided puncture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20110819 |