CN2353317Y - Multifunction stereo positioning frame - Google Patents
Multifunction stereo positioning frame Download PDFInfo
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- CN2353317Y CN2353317Y CN 97230733 CN97230733U CN2353317Y CN 2353317 Y CN2353317 Y CN 2353317Y CN 97230733 CN97230733 CN 97230733 CN 97230733 U CN97230733 U CN 97230733U CN 2353317 Y CN2353317 Y CN 2353317Y
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- marker post
- positioning framework
- dimensional positioning
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Abstract
The utility model provides a multifunctional stereo positioning frame which comprises a bracket, a connecting piece and sign posts, wherein, the sign posts are objects which are imaged on scanned pictures and comprise a plurality of groups, at least two groups are intersected in space arrangement among the groups, and each group comprises at least two sign posts. All the sign posts in one group are parallel mutually. Each sign post is composed of imaging markers of different materials respectively so as to adapt to various medical image devices. Thus, just one stereo positioning frame can satisfy the needs of various image systems. In addition, a unified coordinate system is provided for image fusion. The cost is saved, and the trouble of installing and dismounting the positioning frame for patients is omitted.
Description
This utility model relates to the 3 D positioning equipment of operation or diagnosis usefulness, especially relates to the three-dimensional positioning framework that a kind of medical image merges.
For patient's tumor is carried out stereotactic radiotherapy, require patient's tumor is accurately located.Present stage, existing scheme was: to head tumor, basic ring is fixed on patient's the skull by four corner posts earlier, before carrying out various medical image scannings, three-dimensional positioning head frame is installed on the basic ring.This basic ring provides a unified benchmark for focus.Allow patient head enter then and carry out medical image scanning in the scan ring together with basic ring and three-dimensional positioning framework.Common three-dimensional positioning head frame is made by special material, produces X, Y-axis coordinate and Z coordinate labelling during scanning on image, in order to determine the position of target spot.Principle and method to various stereotactic systems in the chapter 2 of first piece in document " " stereo directional radiative neurosurgery "/ChenBing Huan chief editor/Beijing Publishing House 1994.12 " have blow-by-blow description.Medical image scanning at present has computed tomography (hereinafter to be referred as CT), nuclear magnetic resonance, NMR (hereinafter to be referred as MRI), single photon emission tomoscan (hereinafter to be referred as SPECT), positron emission computerized tomography (hereinafter to be referred as PET), in order to obtain the target spot image, adopt the CT/MRI image documentation equipment that tomoscan is carried out in the target area usually.But CT/MRI is starkly lower than SPECT to the epilepsy detection of lesions, and SPECT can clearly show the epilepsy focus, and CT/MRI can clearly illustrate the intracranial anatomical structure, important structure such as the optic nerve that need avoid when for example treating, brain stem.This just need merge CT/MRI image and SPECT image, with the stack of the information on two kinds of images, needs a unified coordinate system undoubtedly, and this coordinate system is provided by basic ring and three-dimensional positioning framework.Every kind of sensitive materials difference that image system is surveyed, the mark that for example is applicable to CT is light metal material or nonmetallic materials, the mark that is applicable to MRI is an electrolyte solution, and the mark that is applicable to SPECT and PET is to radiate gamma-ray active material.Before epileptic patient carries out radiotherapy, need do two kinds of medical image scannings, on the basic ring of patient head, need to change three-dimensional positioning head frame with unlike signal thing.This just need have various three-dimensional positioning head frame, and cost improves; And the formality of an installation and removal frame is quite loaded down with trivial details; Prolong Diagnostic Time equally, increased patient's misery; Install several times and all produce alignment error inevitably, this merges medical image equally can be influential.
The purpose of this utility model is in order to overcome the above-mentioned defective of prior art, to propose a kind of multifunctional stereo positioning framework, only needing a positioning framework just can satisfy the needs of various image systems.
To achieve these goals, this utility model by the following technical solutions: a kind of three-dimensional positioning framework comprises support 1 or 7, connector 2 and marker post 4; Its medium-height trestle 1 is the support of whole three-dimensional positioning framework, and connector 2 is attached frames that three-dimensional positioning framework and basic ring or therapeutic bed are connected and fixed; 4 of marker posts are the objects for imaging on scanned picture; Marker post 4 comprises many groups, on spatial arrangements, has two sets intersect at least between group and the group, it is characterized in that: comprise at least two marker post 4a, 4b, 4c again in each group of described marker post 4, all marker post 4a, 4b, 4c are parallel to each other in one group, every marker post is made up of the imaging mark of different materials respectively, to adapt to various medical imaging devices.
Adopt such scheme that following advantage is arranged: the patient who does multiple medical image scanning for needs, only need a three-dimensional positioning framework just can meet the demands, save the complicated formality of installation and removal positioning framework, shorten Diagnostic Time, also reduce the cost of three-dimensional positioning framework greatly.
Fig. 1 is the sketch map of first embodiment of the present utility model;
Fig. 2 is the sketch map of second embodiment of the present utility model;
Fig. 3 is the sketch map of the 3rd embodiment of the present utility model.
Below in conjunction with accompanying drawing and by specific embodiment this utility model is done further detailed description.
Embodiment 1: referring to Fig. 1, be depicted as the head locating rack, the three-dimensional positioning framework 1 of cylindrical head is fixedly mounted on the basic ring 3 by connector lock-screw 2, and basic ring 3 then is to be fixed on patient's the skull by four corner posts, and basic ring 3 provides a unified coordinate basis for patient.On the three-dimensional positioning framework of head three N shapes totally nine group mark bars 4 are arranged, each group mark bar 4 has three marker post 4a, 4b, 4c.Marker post 4a is made of other nonmetallic materials such as aluminum or carbon fibers, can be circle or square-section; In the inside of marker post 4a two duct 4b, 4c are arranged, duct 4b, 4c are parallel with the axis of marker post 4a.Shown in the A-A cross section among Fig. 1, wherein duct 4b is filled with CuSO
4Solution, duct 4c is filled with the 57Co active material.If directly in elongated marker post 4a, process elongated hole 4b and 4c, be quite difficult in technology.The marker post 4a of circle or square-section is divided into three, shown in cross-sectional view, after processing semi-circular groove on every, sticks with glue again together then, implement just many easily.Patient head is worn basic ring 3 and three-dimensional positioning framework and is entered and carry out image scan in the CT/MRI scan ring, obtains the CT/MRI image; Need not change three-dimensional positioning head frame patient and just can directly carry out SPECT scanning, obtain the SPECT image; Gauge point is all high-visible on two kinds of images, and belongs to the same coordinate system, undoubtedly can carry out visual fusion.Just can treat patient according to treatment planning systems afterwards.
Embodiment 2: referring to Fig. 2, be depicted as a quadrate head positioning framework, comprise support 1, connector (not drawing among the figure), marker post 4 and location-plate 5.Entire bracket 1 and location-plate 5 all are to be made of lucite.Four N shape marker posts 4 are embedded in respectively in four location-plates 5, place four sides of square set 1 respectively as four location-plates 5 of Fig. 2.Two relative N shape marker posts are by forming with a kind of imaging substance, and marker post 4a is the light metal silk, and marker post 4c is
57The Co active material.Therefore have six group mark bars in embodiment 2, each group has two marker post 4a, 4c, and 4a and 4c are parallel to each other.The same with embodiment 1, patient only need use a three-dimensional positioning head frame just can carry out two kinds of medical image scannings of CT and SPECT, for visual fusion facilitates.
Embodiment 3: referring to Fig. 3, be depicted as the body positioning framework, the entire bracket of body positioning framework 7 is made of lucite, and marker post 4 is made up of six groups of marker post and five groups of marker posts angled with it that are parallel to base plate.Each group mark bar 4 comprises three marker post 4a, 4b, 4c, and these three marker post 4a, 4b, 4c are parallel to each other.Its marker post 4 embeds in the organic glass frame 7, shown in the B-B cross section among Fig. 3, flake aluminum marker post 4a is embedded in the side plate, about semicircular duct 4b, 4c are respectively arranged, duct 4b is filled with electrolyte solution, and duct 4c is filled with and can radiates gamma-ray active material.Be embedded with several marker posts at the body positioning framework and more be necessary because the treatment patient the body tumor time, a patient can only use same positioning framework, could guarantee that like this coordinate system is constant; If will carry out two kinds of image scans, two kinds of marker posts must be embedded same body positioning framework, for visual fusion provides unified coordinate system.
The marker post of unlike signal thing is made of one, has both saved cost, save the trouble that mounts and dismounts posting to patient again, can also adapt to the requirement of various image systems, for visual fusion is provided convenience.
Claims (6)
1, a kind of three-dimensional positioning framework comprises support (1 or 7), connector (2) and marker post (4); Its medium-height trestle (1 or 7) is the support of whole three-dimensional positioning framework, and connector (2) is the attached frame that three-dimensional positioning framework is fixedlyed connected with basic ring (3) or therapeutic bed; Marker post (4) then is the object for imaging on scanned picture, marker post (4) comprises many groups, on spatial arrangements, has two sets intersect at least between group and the group, it is characterized in that: comprise at least two marker post (4a again in each group of described marker post (4), 4b, 4c), all marker posts (4a, 4b, 4c) are parallel to each other in one group, every marker post is made up of the imaging mark of different materials respectively, to adapt to various medical imaging devices.
2, three-dimensional positioning framework as claimed in claim 1, it is characterized in that: described marker post (4) is by three marker post (4a, 4b, 4c) form, wherein a marker post is made of light metal material or nonmetallic materials, and the material of two marker posts is respectively electrolyte solution and can radiates gamma-ray active material in addition.
3, three-dimensional positioning framework as claimed in claim 2, it is characterized in that: described light metal material is an aluminum, and nonmetallic materials are carbon fibers, and electrolyte solution is CuSO
4, can radiate gamma-ray active material and be
57Co.
4, three-dimensional positioning framework as claimed in claim 1, it is characterized in that: described marker post (4a) is made of light metal material or nonmetallic materials, there are two duct (4b marker post (4a) inside, 4c), electrolyte solution is filled in one of them duct (4b), and another duct (4c) fills can radiate gamma-ray active material.
5, three-dimensional positioning framework as claimed in claim 4, it is characterized in that: described light metal material is an aluminum, and nonmetallic materials are carbon fibers, and electrolyte solution is CuSO
4, can radiate gamma-ray active material and be
57Co.
6, three-dimensional positioning framework as claimed in claim 1 is characterized in that: described marker post (4) becomes N shape to arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97230733 CN2353317Y (en) | 1997-12-27 | 1997-12-27 | Multifunction stereo positioning frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97230733 CN2353317Y (en) | 1997-12-27 | 1997-12-27 | Multifunction stereo positioning frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2353317Y true CN2353317Y (en) | 1999-12-15 |
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ID=33943159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97230733 Expired - Lifetime CN2353317Y (en) | 1997-12-27 | 1997-12-27 | Multifunction stereo positioning frame |
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| Country | Link |
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| CN (1) | CN2353317Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490415A (en) * | 2015-01-12 | 2015-04-08 | 天津医科大学第二医院 | Three-dimensional directional frame for abdominopelvic PET (Position-emission Tomography), CT (Computed Tomography) and MR (Magnetic Resonance) images fusion |
| CN116115245A (en) * | 2023-02-14 | 2023-05-16 | 重庆全景红岭医学影像诊断中心有限公司 | Stereotactic frame for fusion of abdominal basin PET, CT and MR images |
-
1997
- 1997-12-27 CN CN 97230733 patent/CN2353317Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490415A (en) * | 2015-01-12 | 2015-04-08 | 天津医科大学第二医院 | Three-dimensional directional frame for abdominopelvic PET (Position-emission Tomography), CT (Computed Tomography) and MR (Magnetic Resonance) images fusion |
| CN104490415B (en) * | 2015-01-12 | 2017-06-23 | 天津医科大学第二医院 | For the stereotactic frame of abdomen pelvic part PET, CT and MR image co-registration |
| CN116115245A (en) * | 2023-02-14 | 2023-05-16 | 重庆全景红岭医学影像诊断中心有限公司 | Stereotactic frame for fusion of abdominal basin PET, CT and MR images |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CITY AOWO MEDICINE NEW TECHNOLOGY DEVELO Free format text: FORMER OWNER: AOWO INTERNATIONAL SCIECE + TECHNOLOGY DEVELOPMENT CO., LTD. SHENZHEN Effective date: 20070216 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070216 Address after: 2203 room 30, electronic science and technology building, No. 518031 Shennan Road, Guangdong, Shenzhen Patentee after: Shenzhen Aowo Medical New Technology Development Co.,Ltd. Address before: Electronic Science and technology building, No. 30 Shennan Road, Shenzhen City, Guangdong Province, 518031 room 2202 Jiang Yaochun turn Patentee before: Aowo International Science & Tech. Development Co., Ltd. Shenzhen City |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |