CN2574602Y - Multi section aluminium mouth x-ray machine ray shade cylinder - Google Patents
Multi section aluminium mouth x-ray machine ray shade cylinder Download PDFInfo
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- CN2574602Y CN2574602Y CN 02249506 CN02249506U CN2574602Y CN 2574602 Y CN2574602 Y CN 2574602Y CN 02249506 CN02249506 CN 02249506 CN 02249506 U CN02249506 U CN 02249506U CN 2574602 Y CN2574602 Y CN 2574602Y
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- index point
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Abstract
The utility model discloses a signalied point, which uses MRI and CT medical imaging equipment to carry out stereoscopic positioning for images. The signalized point comprises a calibration body and a registration body, wherein, the lower side of the registration body is provided with a sticking device by which the signalized point is fixed on the surface of a human body, and the calibration body is made into a spherical body by developing material and inlaid in a concave hole of the registration body which is made of nondeveloping material. Compared with the previous imported signalized points, the signalized point of the utility model can produce stronger MRI and CT signals and can be easily recognized and registered on MRI and CT images, the center of calibration can be more easily and accurately found, the accuracy of registration is improved, the manufacturing methods are simpler, and the price of materials that are used is cheaper.
Description
Invention field
This utility model relates to a kind of MRI of utilization and the CT medical imaging equipment carries out the stereotactic index point of image, especially for navigating surgery.
Background technology
In medical domain, navigating surgery is extensively carried out in neurosurgery, department of otorhinolaryngology at present.Do navigating surgery, need obtain patient's scan-data with MRI or CT image documentation equipment, patient's CT or MRI scanogram are sent in the navigation system, the two and three dimensions image of reconstruct any direction on MRI or CT image workstation, help the doctor to carry out planning before the art, and before the art actual patient position and scanogram are carried out registration, just can reach the accurate location in the operation process.For achieving the above object, need adopt a plurality of index points on one's body, so that on image, index point is registered, preserve surgical planning, and use guide bar and index point registration before the art patient.Therefore, be can on CT, MRI image, develop not produce pseudo-shadow again to the specification requirement of index point, be easy to identification registration on MRI or CT image, easy registration before the Rhizoma Atractylodis Macrocephalae, and matter is soft, be fixed on patient on one's body patient do not have sense of discomfort.Index point is called nominal volume as the part of demarcating registration on MRI or the CT image, and the part that is used as the preceding guide bar of art and its registration is called the registration body.
Domestic clinical used index point relies on import fully now, as US Patent specification US 5363080 disclosed a kind of index points.This import index point becomes external diameter 20mm, internal diameter 5mm, height is the ring of 5mm, ring body is by the molding of PVC plastic sheeting, the inner brood lac lipid material of filling, this material presents high-brightness signal in MRI, present high density signal in CT, therefore be called developing material, otherwise be called not developing material.In use, this index point is fixed on human body surface, utilizes index point center nonvisualized hollow cylinder on MRI or CT to demarcate registration before registration and the art, so its nominal volume and registration body are one.This index point costs an arm and a leg, and each about 2 dollars, and index point is as disposable consumptive material consumption is very big clinically, each patient at every turn need be with 7-10.Because this index point is as nominal volume with the nonvisualized cylindrical part of the ring heart, therefore imaging signal is not strong, and can occur irregularly shapedly with the different of imaging angle along with scanning angle on CT or MRI image, be difficult for finding fixed point, point be demarcated inaccurate and time-consuming.Because this index point is glue lipid material will be enclosed in the PVC plastic sheeting, and to do circlewise again, so complex process, process equipment is required high, domestic processing difficulties, and the index point of import prices are rather stiff.
Summary of the invention
The purpose of this utility model is to provide a kind of novel index point, this index point except satisfying clinical requirement, also have imaging signal strong, be easy to the characteristics recognizing and register.
Further purpose of the present utility model, the stated accuracy of raising index point.
This utility model also has a purpose, provides a kind of manufacturing process simple, realizes the index point of materials used cheapness easily.
For realizing that the technical scheme that the purpose of this utility model adopted is, the multimode index point, comprise nominal volume and registration body, have below the registration body index point is fixed on sticker on the human body surface, nominal volume is made of developing material, the registration body is made of developing material not, and a detachable fixture is arranged between nominal volume and the registration body.
And
Above-mentioned nominal volume is a spheroid, have above the above-mentioned registration body one with the suitable shrinkage pool of nominal volume, nominal volume is embedded in the shrinkage pool of registration body.
Above-mentioned registration body is for there being certain thickness annulus.
Above-mentioned nominal volume is the spheroid of diameter 6mm, and above-mentioned registration body is external diameter 13mm, and internal diameter and thickness are the annulus of 5mm.
When doing image scanning with MRI, above-mentioned nominal volume adopts the ball ball that includes stearol.
Do image when scanning with CT, above-mentioned nominal volume adopts stone material jewelry ball, and a device that this jewelry ball is taken out from above-mentioned registration body is arranged on the described stone material jewelry ball.
Above-mentioned registration body and function sponge or foam are made.
After having adopted technique scheme,, therefore produce owing to make nominal volume with developing material
The MRI and the CT signal of giving birth to are strong, make index point be easier to identification and registration on MRI and CT image; Because nominal volume is a ball-type, the image of its CT or MRI all is circular on any scanning angle and imaging angle, is easy to find accurately fixed point, has improved the registration precision, thereby has improved navigation accuracy.Again because the processing technique that adopts simple, realize easily, thereby replaced import, and the material that is adopted is inexpensive, be again existing material on the market, as cod-liver oil pill and stone material jewelry ball, so cost reduces greatly, 1 yuan of each index point cost less than has very high economic benefit.
Therefore, technique scheme has just reached the purpose of this utility model.
Description of drawings
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Fig. 1 is the axonometric chart of import index point.
Fig. 2 is the structural representation of import index point.
Fig. 3 is that the import index point is at scanning or the asynchronous two dimension view of imaging angle.
Fig. 4 is an axonometric chart of the present utility model
Fig. 5 is a structural representation of the present utility model.
Fig. 6 is that this utility model is at scanning or the asynchronous two dimension view of imaging angle.
Fig. 7 is this utility model with guide bar and the sketch map of removing the index point registration after the nominal volume.
Fig. 8 is this utility model when working as nominal volume and being stone material jewelry ball, is the structural representation of a pull rope in stone material jewelry ball center hole.
The specific embodiment
As shown in Figure 2, the import index point is made of the annulus that developing material 11 impales, and it is demarcated and the function of registration is all finished by circle ring center's part 12 of not developing, and as seen from the figure, the ring heart is a hollow cylinder.
Figure 3 shows that import index point actual three width of cloth images that present when scanning or imaging angle difference, 13 is the body surface among the figure.From Fig. 3 as seen, because the nominal volume 12 of import index point is the column type that do not develop, so imaging signal is not strong, fixed point is smudgy, and particularly when scanning or imaging angle difference, the two dimensional image of nominal volume 12 presents irregularly shaped, given marker tape comes difficulty, and the registration precision is affected.
As Fig. 5, in this utility model embodiment, index point is by nominal volume 22 and registration body 21 and be used for fixing at the sticker 20 of human body surface and form, nominal volume 22 is a spheroid, made by developing material, registration body 21 is to have a certain thickness annulus, is made by developing material not, it is intracardiac that nominal volume 22 is embedded in the ring of registration body 21 annulus, and sticker 20 is attached to below the registration body.During clinical use, with sticker 20 index point is fixed on patient and scans on one's body, index point is registered.Fig. 6 is index point of the present invention actual three width of cloth images that present when scanning or imaging angle difference, because nominal volume 22 is made of developing material and be ball-type, its imaging signal on CT or MRI is strong, and imaging all is circular on any scanning angle and imaging angle, identify clear, be highly susceptible to finding accurately fixed point, improved the registration precision.Nominal volume 22 can be removed after the scanning, patient only is being with registration body 21 to carry out daily routines.Registration body 21 is developing material not, adopts sponge, foam, plastics etc. usually, and this class material matter is soft flexibility, therefore it is submissive on one's body, firm to be fixed on patient, and patient does not have sense of discomfort, before the operation, as shown in Figure 7, in the internal ring of registration body 21, carry out registration, can navigate in the art with guide bar 33.
In actual use, nominal volume 22 can be the spheroid of 6mm with diameter, and registration body 21 available internal diameter and thickness are 5mm, and external diameter is the annulus of 13mm.Nominal volume can be selected existing material on the market for use, and for example, during as MRI scanning, nominal volume can be with the ball ball that includes stearol, as fish liver oil capsule; During as CT scan, nominal volume stone material jewelry ball.
Manufacture method of the present utility model is very simple, selects the thick sponge of 5mm, and one side is pasted Double-face gummed paper, is 13mm with external diameter, and internal diameter is that the mould of 5mm carries out machinery and cuts apart, and the annular sponge sheet that just is cut into required specification is as the registration body; Adopt diameter be the stone material jewelry ball of 6mm or diameter be 6mm pill cod-liver oil as nominal volume, respectively two kinds of spheroids are placed in the sponge ring and both can.Because nominal volume 22 needs to take out from registration body 21 after scanning, fish liver oil capsule matter is soft, and is flexible, be easy to take out, and stone material jewelry ball matter is hard, is difficult for taking out, so as shown in Figure 8, is a pull rope 23 in the centre bore of jewelry ball, is used for the jewelry ball is proposed.More than various materials to be market existing, and cheap, therefore greatly reduce the production cost of index point.
This utility model can have multiple implementation in practice, as: the registration body just can also can make different shape, as square, rectangle, triangle, rhombus etc. with multiple ready-made cheap material (sponge, foam, plastics etc.); Cheap nominal volume also has multiple, as animal oil, various contrast agent etc., and different shape can be arranged also, and not necessarily spheroidal can make cube, ellipse, polygon etc.Those of ordinary skill in the art can make various suitable distortion or replacement on basis of the present invention, but all these distortion or replacement all belong to protection domain of the present utility model.
Claims (7)
1. multimode index point, comprise nominal volume (22) and registration body (21), have below the registration body index point is fixed on sticker (20) on the human body surface, it is characterized in that: nominal volume (22) is made of developing material, registration body (21) is made of developing material not, between nominal volume (22) and the registration body (21) a detachable fixture is arranged.
2. multimode index point according to claim 1 is characterized in that: described nominal volume (22) is a spheroid, have above the described registration body (21) one with the suitable shrinkage pool of nominal volume (22), described nominal volume (22) is embedded in the shrinkage pool of registration body (21).
3. multimode index point according to claim 2 is characterized in that: described registration body (21) is for there being certain thickness annulus.
4. multimode index point according to claim 3 is characterized in that: described nominal volume (22) is the spheroid of diameter 6mm, and described registration body (21) is external diameter 13mm, and internal diameter and thickness are the annulus of 5mm.
5. according to the described multimode index point of claim 2 to 4, it is characterized in that: described nominal volume (22) adopts the ball ball that includes stearol.
6. according to the described multimode index point of claim 2 to 4, it is characterized in that: described nominal volume (22) adopts stone material jewelry ball, and a device (23) that this jewelry ball is taken out from described registration body (21) is arranged on the described stone material jewelry ball.
7. according to the described multimode index point of claim 1--6, it is characterized in that: described registration body (21) is made with sponge or foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249506 CN2574602Y (en) | 2002-11-12 | 2002-11-12 | Multi section aluminium mouth x-ray machine ray shade cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249506 CN2574602Y (en) | 2002-11-12 | 2002-11-12 | Multi section aluminium mouth x-ray machine ray shade cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574602Y true CN2574602Y (en) | 2003-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02249506 Expired - Lifetime CN2574602Y (en) | 2002-11-12 | 2002-11-12 | Multi section aluminium mouth x-ray machine ray shade cylinder |
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| CN (1) | CN2574602Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238923A (en) * | 2008-12-05 | 2011-11-09 | 皇家飞利浦电子股份有限公司 | Active device tracking using light with orbital angular momentum to induce a hyperpolarized mri |
| CN103654965A (en) * | 2013-12-03 | 2014-03-26 | 华南理工大学 | Mark point used for optical surgical navigation system and image extraction method |
| US9265590B2 (en) | 2008-06-13 | 2016-02-23 | Koninklijke Philips N.V. | Multimodal imaging fiducial marker |
| CN109350088A (en) * | 2018-09-26 | 2019-02-19 | 河北海棠花医疗器械有限公司 | Multi-modal index point |
-
2002
- 2002-11-12 CN CN 02249506 patent/CN2574602Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9265590B2 (en) | 2008-06-13 | 2016-02-23 | Koninklijke Philips N.V. | Multimodal imaging fiducial marker |
| CN102238923A (en) * | 2008-12-05 | 2011-11-09 | 皇家飞利浦电子股份有限公司 | Active device tracking using light with orbital angular momentum to induce a hyperpolarized mri |
| CN102238923B (en) * | 2008-12-05 | 2014-03-05 | 皇家飞利浦电子股份有限公司 | Active device tracking using light with orbital angular momentum to induce hyperpolarized mri |
| CN103654965A (en) * | 2013-12-03 | 2014-03-26 | 华南理工大学 | Mark point used for optical surgical navigation system and image extraction method |
| CN103654965B (en) * | 2013-12-03 | 2016-01-06 | 华南理工大学 | A kind of gauge point for optical operation navigation system and image extraction method |
| CN109350088A (en) * | 2018-09-26 | 2019-02-19 | 河北海棠花医疗器械有限公司 | Multi-modal index point |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20071012 Pledge (preservation): Preservation |
|
| PD01 | Discharge of preservation of patent |
Date of registration: 20071116 Pledge (preservation): Preservation |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121112 Granted publication date: 20030924 |