CN216317666U - Positioning device for determining structural relation of intracranial and extracranial targets of brain - Google Patents
Positioning device for determining structural relation of intracranial and extracranial targets of brain Download PDFInfo
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- CN216317666U CN216317666U CN202121949457.9U CN202121949457U CN216317666U CN 216317666 U CN216317666 U CN 216317666U CN 202121949457 U CN202121949457 U CN 202121949457U CN 216317666 U CN216317666 U CN 216317666U
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Abstract
The utility model relates to the technical field of medical equipment, and discloses a positioning device for determining the structural relationship of intracranial and extracranial targets of a brain, which comprises: a positioning cap having a first prism and a second prism; the CT scanner is used for acquiring a tomography image of the head and the positioning cap, and the tomography image comprises an intracranial target structure and a section of the positioning cap; the extracranial positioning assembly comprises a positioning frame, a transverse positioning module and a longitudinal positioning module, wherein the transverse positioning module comprises a transverse positioning rod, and the transverse positioning rod can abut against the first rib; the longitudinal positioning module comprises a longitudinal positioning rod which can abut against the second rib; the transverse positioning module and/or the longitudinal positioning module are/is provided with an extracranial operation positioning rod which can abut against the body surface of the head. The utility model has the advantages that the positioning device can accurately position the intracranial and extracranial target structures of the brain, and treat various diseases; and the whole structure is simple, the operation is simple and convenient, and the manufacturing cost is low.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a positioning device for determining the structural relation of intracranial and extracranial targets of a brain.
Background
The rehabilitation of craniocerebral related diseases is always an important rehabilitation content in the rehabilitation field, the morbidity is high, the rehabilitation demand is large, the nerve regulation and control technology such as transcranial magnetic stimulation treatment and the detection of nerve functions such as electroencephalogram and near infrared technology are carried out on the surface of the craniocerebral body, the corresponding relation between the surface of the craniocerebral body and the intracranial anatomical structure is further determined, and the method has profound significance for the effectiveness of transcranial magnetic treatment and the analysis of the monitoring results of the electroencephalogram and the near infrared.
The existing 3D positioning software has a magnetic resonance related or big data related craniocerebral anatomical positioning system, but the matched equipment is expensive and complex to operate, and a plurality of primary hospitals are difficult to allocate. Or the existing body surface positioning cap can be used for rough positioning, the number of sites is small, and the disease treatment is single.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to solve the technical problem of providing a positioning device which is accurate in positioning and simple and convenient to operate and is used for determining structural relation of intracranial and extracranial targets of a brain.
The utility model solves the technical problem and adopts the technical scheme that a positioning device for determining the structural relation of intracranial and extracranial targets of a brain comprises:
the positioning cap is sleeved on the head and comprises a first rib and a second rib which are connected with each other;
a CT scanner for acquiring a tomographic image of the head and the positioning cap, the tomographic image including an intracranial target structure and a cross-section of the positioning cap;
the extracranial positioning assembly comprises a positioning frame, and a transverse positioning module and a longitudinal positioning module which are arranged on the positioning frame, wherein the positioning frame is sleeved on the positioning cap, the transverse positioning module comprises a movably arranged transverse positioning rod, and the transverse positioning rod can abut against the first rib; the longitudinal positioning module comprises a movably arranged longitudinal positioning rod, and the longitudinal positioning rod can abut against the second rib;
the transverse positioning module and/or the longitudinal positioning module are/is movably provided with an extracranial operation positioning rod, and the extracranial operation positioning rod can abut against the body surface of the head.
Further, the transverse positioning rod, the longitudinal positioning rod and the extracranial operation positioning rod are positioned on the same plane.
Further, the first rib and the second rib are arranged vertically.
Furthermore, one end of the first rib is provided with a nasal root abutting part, and the other end of the first rib is provided with an occipital tuberosity abutting part; two ends of the second rib are respectively provided with an ear front concave butting part.
Further, the positioning cap further comprises a fixing ring, and the fixing ring is connected with the nose root abutting part, the ear front concave abutting part and the occipital outer tuberosity abutting part.
Furthermore, the transverse positioning module further comprises a first mounting seat and a second mounting seat, two transverse positioning rods are arranged, and the two transverse positioning rods are respectively arranged on the first mounting seat and the second mounting seat;
the longitudinal positioning module further comprises a third mounting seat and a fourth mounting seat, the number of the longitudinal positioning rods is two, and the two longitudinal positioning rods are respectively arranged on the third mounting seat and the fourth mounting seat.
Furthermore, the transverse positioning module further comprises two rulers, and the two rulers are respectively arranged at positions close to the first mounting seat and the second mounting seat; and the scale and the transverse positioning rod are vertically arranged.
Furthermore, the extracranial operation positioning rod is movably arranged on the scale, and the extracranial operation positioning rod and the scale are vertically arranged.
Furthermore, the third mounting seat and the fourth mounting seat are slidably arranged on the positioning frame, pointers are arranged at two ends of the third mounting seat and two ends of the fourth mounting seat, and the pointers and the scale are vertically arranged.
Furthermore, the first rib and the second rib comprise a plurality of sections of metal wires, and the number of the metal wires in any section is one or two or three or four.
Compared with the prior art, the utility model has at least the following beneficial effects:
in the utility model, the positioning device acquires the tomograms of the head and the positioning cap through a CT scanner so as to position the intracranial target structure of the brain, the position of the intracranial target structure on the head relative to the positioning cap is displayed on the image (namely the distance (marked as 'ab') from the intersection point of the intracranial target structure to the horizontal section point on the left side of the second prism is taken as a vertical line from the displayed points of the two cross sections of the intracranial target structure and the second prism (displayed on the left and right sides of the skull on the image), and meanwhile, the corresponding prism positioning point on the positioning cap is determined according to the prism section of the positioning cap in the CT tomogram of the target; the extracranial positioning component is respectively abutted with positioning points determined according to images on a first rib and a second rib of a positioning cap by adjusting a transverse positioning rod (sliding in the left-right up-down direction), a longitudinal positioning rod (sliding in the up-down direction), a third mounting seat and a fourth mounting seat (driving the longitudinal positioning rod to slide in the left-right direction), and an extracranial operation positioning rod slides in the left-right direction, so that the distance (marked as 'cd') from the intersection point of the positioning rod and a scale to the intersection point of a pointer of the left mounting seat (the third mounting seat) and the scale is equal to 'ab', and then the extracranial operation positioning rod slides in the up-down direction and is abutted against the surface of a skull, so that the position of a brain intracranial target structure on the surface of the head is determined; the positioning points of the first rib and the second rib are arranged on the tomography image, the position of the extracranial operation point is determined by measuring the distance between an intracranial target structure and the positioning cap, the positioning cap is accurate in positioning, the cross structure is stable in positioning, and the method is applicable to treatment of various cases; the transverse positioning rod, the longitudinal positioning rod and the extracranial operation positioning rod are all on the same plane so as to be parallel to the tomographic image; and each positioning rod can be adjusted in a plane, so that the positioning accuracy is ensured.
Drawings
FIG. 1 is a schematic structural view of a positioning cap of the positioning device of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the overall structure of the positioning device of the present invention (with the CT scanner removed);
FIG. 4 is a schematic structural diagram of a transverse positioning module;
FIG. 5 is a schematic structural diagram of the longitudinal positioning module;
FIG. 6 is a diagram of the International 10-20 System electroencephalogram profile;
fig. 7 is a schematic structural view of the first rib.
In the figure:
1. a head portion;
2. a positioning cap; 20. a first prism; 200. a nasion abutment; 201. an occipital tuberosity abutment; 202. a metal wire; 21. a second prism; 210. a pre-auricular concave abutment; 22. a stationary ring;
3. an extracranial positioning assembly; 30. a positioning frame; 31. a transverse positioning module; 310. a transverse positioning rod; 311. extracranially operating a positioning rod; 312. a first mounting seat; 313. a second mounting seat; 314. a scale; 32. a longitudinal positioning module; 320. a longitudinal positioning rod; 321. a third mounting seat; 322. a fourth mounting seat; 323. a pointer.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
1-5, a positioning device for positioning intracranial and extracranial target structures of the brain, comprising: the positioning cap 2 is sleeved on the head part 1, and the positioning cap 2 comprises a first rib 20 and a second rib 21 which are connected; a CT scanner (not shown in the figure) for acquiring a tomographic image of the head 1 and the positioning cap 2, wherein the tomographic image comprises a section of the intracranial target structure and the positioning cap 2; the extracranial positioning assembly 3 comprises a positioning frame 30, and a transverse positioning module 31 and a longitudinal positioning module 32 which are arranged on the positioning frame 30, wherein the positioning frame 30 is sleeved on the positioning cap 2, the transverse positioning module 31 comprises a movably arranged transverse positioning rod 310, and the transverse positioning rod 310 can abut against the first rib 20; the longitudinal positioning module 32 comprises a movably arranged longitudinal positioning rod 320, and the longitudinal positioning rod 320 can abut against the second rib 21; wherein, an extracranial operation positioning rod 311 is movably arranged on the transverse positioning module 31 and/or the longitudinal positioning module 32, and the extracranial operation positioning rod 311 can be abutted against the body surface of the head 1. Specifically, the positioning device is applied to the rehabilitation process of craniocerebral related diseases, for example, the curative effect of transcranial magnetic stimulation has higher correlation with the accuracy of stimulation sites, the positioning cap 2 can accurately position the extracranial operation positioning rod 311 to the intracranial target structure on the body surface of the head 1, and the positioning device has accurate positioning, simple structure and low manufacturing cost.
Preferably, the transverse positioning rod 310, the longitudinal positioning rod 320 and the extracranial operation positioning rod 311 are located on the same plane, that is, the transverse positioning rod 310, the longitudinal positioning rod 320 and the extracranial operation positioning rod 311 are all located on the same layer of the tomographic image, so as to position the intracranial target structure.
As shown in fig. 1, 2 and 7, the first rib 20 and the second rib 21 are vertically arranged, that is, the first rib 20 and the second rib 21 are connected in a cross shape. Specifically, one end of the first rib 20 is provided with a nasal root abutting part 200, the other end of the first rib 20 is provided with an occipital tuberosity abutting part 201, and two ends of the second rib 21 are respectively provided with an anterior auricular concave abutting part 210; namely, two ends of the first rib 20 respectively abut against the nasal root and the occipital tuberosity of the head 1, and two ends of the second rib 21 respectively abut against the left ear and the right ear of the head 1, so as to position the positioning cap 2. Preferably, each of the first rib 20 and the second rib 21 includes a plurality of sections of metal wires 202, and the number of any one section of metal wire 202 is one or two or three or four; that is, the sectional area of the metal wire 202 changes at intervals to highlight the positions of the first rib 20 and the second rib 21 on the tomographic image, and the positions of the first rib 20 and the second rib 21 corresponding to the tomographic image can be quickly determined according to the number of the sections corresponding to the number of the metal wire 202; wherein, a round thin metal wire is added every 1cm from the intersection point of the first rib 20 and the second rib 21 to the four ribs at each end point, and the round thin metal wire is changed into a single wire after 4cm, and the process is repeated for 4-5 times, and the total length is about 16-20 cm.
Preferably, the positioning cap 2 further comprises a fixing ring 22, the fixing ring 22 connects the nasion abutment portion 200, the anterior concave abutment portion 210 and the occipital tuberosity abutment portion 201, that is, the fixing ring 22 connects the first rib 20 and the second rib 21, and enables the first rib 20 and the second rib 21 to cling to the head 1, and the intersection point of the two ribs is positioned at the Cz point (i.e. the middle point of the connecting line between the nasion and the occipital tuberosity and the middle point of the connecting line between the two auricles) where the 10-20 system electroencephalogram distribution diagram is positioned, so as to prevent the positioning cap 2 from moving.
In this embodiment, the transverse positioning module 31 further includes a first mounting seat 312 and a second mounting seat 313, two transverse positioning rods 310 are provided, the two transverse positioning rods 310 are respectively disposed on the first mounting seat 312 and the second mounting seat 313, and the two transverse positioning rods 310 can be adjusted left, right, up and down; the longitudinal positioning module 32 further includes a third mounting seat 321 and a fourth mounting seat 322, two longitudinal positioning rods 320 are provided, and the two longitudinal positioning rods 320 are respectively disposed on the third mounting seat 321 and the fourth mounting seat 322.
Preferably, the transverse positioning module 31 further comprises two scales 314, the two scales 314 being respectively disposed close to the first mount 312 and the second mount 313; the scale 314 is perpendicular to the transverse positioning rod 310; the extracranial operation positioning rod 311 is movably arranged on the scale 314, and the extracranial operation positioning rod 311 is perpendicular to the scale 314. That is, the scale 314 can accurately measure the displacement of the lateral positioning rod 310 and the extracranial operation positioning rod 311, so that the extracranial operation positioning rod 311 can accurately move to the body surface of the head corresponding to the intracranial target structure.
Preferably, the third mounting seat 321 and the fourth mounting seat 322 are both slidably disposed on the positioning frame 30, that is, the two longitudinal positioning rods 320 can be adjusted left and right together with the third mounting seat 321 and the fourth mounting seat 322, and the two longitudinal positioning rods 320 can be adjusted up and down on the third mounting seat 321 and the fourth mounting seat 322; pointers 323 are arranged at two ends of the third mounting seat 321 and two ends of the fourth mounting seat 322, and the pointers 323 are perpendicular to the scale 314; that is, the displacement amounts of the third mount 321 and the fourth mount 322 can be accurately measured on the scale 314.
The working principle of the positioning device for positioning the intracranial and extracranial target structures of the brain is as follows: the positioning cap 2 has a marking function by combining an international 10-20 system electroencephalogram distribution diagram (as shown in figure 6), and the corresponding positions of all structures of the intracranial brain on the surface of the skull and the positions of the intracranial target structures relative to the two edges of the bone under a CT scanner; the first edge bone 20 of the positioning cap 2 corresponds to the front-back connecting line from the nasal root to the occipital tuberosity in the electroencephalogram distribution diagram, and the second edge bone 21 corresponds to the connecting line of the left ear and the right ear of the head 1; when the head positioning device is used, the positioning cap 2 is sleeved on the head 1 of a human body, the nose root, the occipital tuberosity and the auricular fovea of the head 1 are aligned, the intersection point of two bones is a 10-20 system electroencephalogram distribution diagram Cz point, a CT scanner scans the head 1 to obtain a sectional image of the head 1, a first bone 20 and a second bone 21, an intracranial target structure and the section of the two bones are displayed in the sectional image, and the sections of the first bone 20 and the second bone 21 can mark corresponding positions of the intracranial target structure (selected by a therapist according to the image); then, the transverse positioning rod 310 and the longitudinal positioning rod 320 on the extracranial positioning assembly 3 are abutted with the first rib 20 and the second rib 21, and an extracranial operating rod is moved to the body surface of the head 1; the whole is to use the tomography image of the CT scanner to position the intracranial target structure on the surface of the skull.
In the scheme, the positioning device is used for positioning intracranial and extracranial target structures of the brain, positioning the intracranial and extracranial target structures, confirming the corresponding relation between the surface position of the skull and the intracranial structure, and providing a convenient and reliable intracranial and extracranial positioning scheme for clinical treatment and research in primary hospitals.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Claims (10)
1. A positioning device for determining structural relationships of intracranial and extracranial targets in a brain, comprising:
the positioning cap is sleeved on the head and comprises a first rib and a second rib which are connected with each other;
a CT scanner for acquiring a tomographic image of the head and the positioning cap, the tomographic image including an intracranial target structure and a cross-section of the positioning cap;
the extracranial positioning assembly comprises a positioning frame, and a transverse positioning module and a longitudinal positioning module which are arranged on the positioning frame, wherein the positioning frame is sleeved on the positioning cap, the transverse positioning module comprises a movably arranged transverse positioning rod, and the transverse positioning rod can abut against the first rib; the longitudinal positioning module comprises a movably arranged longitudinal positioning rod, and the longitudinal positioning rod can abut against the second rib;
the transverse positioning module and/or the longitudinal positioning module are/is movably provided with an extracranial operation positioning rod, and the extracranial operation positioning rod can abut against the body surface of the head.
2. The positioning device for determining intracranial and extracranial target structure relationships of the brain according to claim 1, wherein the transverse positioning rod, the longitudinal positioning rod, and the extracranial operation positioning rod are in the same plane.
3. The device of claim 1, wherein the first prism is perpendicular to the second prism.
4. A positioning device for determining intracranial and extracranial target structures of the brain according to claim 1, wherein one end of the first rib is provided with a nasion abutment and the other end of the first rib is provided with an occipital tuberosity abutment; two ends of the second rib are respectively provided with an ear front concave butting part.
5. A positioning device for determining structural relationships of intracranial and extracranial targets in the brain as recited in claim 4, wherein the positioning cap further comprises a retaining ring connecting the nasion abutment, the anterior-concave abutment and the occipital tuberosity abutment.
6. The positioning device for determining structural relationships between intracranial and extracranial targets in a brain according to claim 1, wherein the transverse positioning module further comprises a first mounting seat and a second mounting seat, two transverse positioning rods are provided, and the two transverse positioning rods are respectively arranged on the first mounting seat and the second mounting seat;
the longitudinal positioning module further comprises a third mounting seat and a fourth mounting seat, the number of the longitudinal positioning rods is two, and the two longitudinal positioning rods are respectively arranged on the third mounting seat and the fourth mounting seat.
7. The positioning device for determining structural relationships of intracranial and extracranial targets in a brain according to claim 6, wherein the transverse positioning module further comprises two scales, the two scales being respectively disposed adjacent to the first and second mounting seats; and the scale and the transverse positioning rod are vertically arranged.
8. The positioning device for determining structural relationships of intracranial and extracranial targets in a brain according to claim 7, wherein the extracranial operation positioning rod is movably disposed on the scale, and the extracranial operation positioning rod is disposed perpendicular to the scale.
9. The positioning device for determining structural relationship between intracranial and extracranial targets in a brain according to claim 7, wherein the third and fourth mounting seats are slidably disposed on the positioning frame, and pointers are disposed at two ends of the third mounting seat and two ends of the fourth mounting seat, and the pointers are disposed perpendicular to the scale.
10. The positioning device for determining intracranial and extracranial target structure relationships according to claim 1, wherein the first and second prismatic bones each comprise a plurality of lengths of wire, any one of the lengths of wire being one or two or three or four in number.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121949457.9U CN216317666U (en) | 2021-08-19 | 2021-08-19 | Positioning device for determining structural relation of intracranial and extracranial targets of brain |
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| CN202121949457.9U CN216317666U (en) | 2021-08-19 | 2021-08-19 | Positioning device for determining structural relation of intracranial and extracranial targets of brain |
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| CN216317666U true CN216317666U (en) | 2022-04-19 |
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