CN110639133A - Head radiotherapy device capable of resetting for multiple times - Google Patents
Head radiotherapy device capable of resetting for multiple times Download PDFInfo
- Publication number
- CN110639133A CN110639133A CN201911029954.4A CN201911029954A CN110639133A CN 110639133 A CN110639133 A CN 110639133A CN 201911029954 A CN201911029954 A CN 201911029954A CN 110639133 A CN110639133 A CN 110639133A
- Authority
- CN
- China
- Prior art keywords
- frame
- head
- shaped
- group
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
- A61N2005/1055—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using magnetic resonance imaging [MRI]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
Abstract
The invention relates to a head radiotherapy device capable of resetting for multiple times, which comprises a resetting frame and a head fixing supporting plate; the head of the patient is fixed in the head fixing supporting plate, and the reset frame is detachably arranged on the head fixing supporting plate; the reset frame comprises a frame body which can cover the head of the patient and a marking ruler rod; the frame body is at least provided with three marked hole areas, and each marked hole area is provided with a plurality of through holes; the frame body covers the head of the patient, the marking ruler rod extends from one through hole in each marking hole area, is inserted into the through hole and then is pressed against the head of the patient, and the depth value of the insertion is recorded through the scales on the marking ruler rod; and obtaining at least three groups of depth values through at least three marked hole areas so as to position the head at the spatial position on the head fixing supporting plate. The invention can restore the lying position of the patient for a plurality of times by restoring the patient, and has simple structure and convenient operation.
Description
Technical Field
The invention belongs to the technical field of medical nondestructive testing equipment, and particularly relates to a head radiotherapy device capable of being reset for multiple times.
Background
In order to perform stereotactic radiotherapy on the head tumor of a patient, the intracranial tumor needs to be accurately positioned, and when the intracranial tumor is positioned, a doctor usually sets an irradiation visual field range according to CT and MRI pictures due to the lack of obvious image anatomical marks. In the process of CT or MRI scanning, a patient lies on the back on a bed, but the head of the patient is easy to shake in the scanning process, artifacts are easy to form in the scanning process, the obtained images cannot help to determine the position of a focus in the skull, the accuracy of examination is affected, and great workload is brought to medical staff by secondary adjustment.
In the prior art, a base ring is fixed on a skull of a patient, a stereotactic frame is arranged on the base ring, and then the head of the patient is scanned by medical images. With the rapid development of stereotactic technology in recent years, stereotactic neurosurgery refers to the diagnosis and treatment of various diseases of the central nervous system by placing puncture needles, microelectrodes and other microscopic instruments into specific target spots in the brain by using the guidance of imaging positioning (CT, MRI or DSA) and stereotactic instruments, and by recording electrophysiology, retaining tissue specimens, generating lesion, removing lesions and other methods. The stereotactic head frame is used as a reference mark for image positioning, and places intracranial lesions in a three-dimensional space.
In the prior art, the stereotactic headstock device mainly comprises commercial products such as CRW (cross-linked beam) and Leksell (Leksell), the main material of the products is metal, and the headstock made of the metal has the defects of large mass and incapability of adapting high-field-intensity magnetic resonance, and easily causes leakage of a liquid developer adopted by a traditional magnetic resonance positioning adapter, thereby generating larger errors.
On the other hand, considering the radiation dose, it is generally necessary to perform multiple radiotherapy on the same focal point of a patient, and several days are required between each radiotherapy, and in the second and subsequent radiotherapy processes, how to provide an effective head radiotherapy device to solve the problem of reducing the lying position of the patient for multiple times and adapt to the development of the current technology becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a head radiotherapy device which is simple in structure and convenient to operate and can be reset for multiple times, and aims to restore the lying position of a patient for multiple times so as to carry out radiotherapy.
In order to achieve the purpose, the invention adopts the following technical scheme: a head radiotherapy device capable of resetting for multiple times comprises a resetting frame and a head fixing supporting plate; wherein
The head of the patient is fixed in the head fixing supporting plate, and the reset frame is detachably arranged on the head fixing supporting plate; the reset frame is used for marking or resetting the head position of the patient;
the reset frame comprises a frame body which can cover the head of the patient and a marking ruler rod; the frame body is at least provided with three marked hole areas, and each marked hole area is provided with a plurality of through holes;
the frame body covers the head of the patient, the marking ruler rod extends from one through hole in each marking hole area, is inserted into the through hole and then is pressed against the head of the patient, and the depth value of the insertion is recorded through the scales on the marking ruler rod; and obtaining at least three groups of depth values through at least three marked hole areas so as to position the head at the spatial position on the head fixing supporting plate.
Further, the frame body comprises a left frame, a right frame and a top frame; the left frame and the right frame are arranged in parallel relatively, and the top frame cover is arranged on the left frame and the right frame to form a frame body capable of covering the head of a patient; wherein the standard hole region is respectively arranged on the left frame, the right frame and the top frame.
Furthermore, the device also comprises a left connecting plate and a right connecting plate; the left connecting plate is used for connecting the left frame and the top frame, and the right connecting plate is used for connecting the right frame and the top frame; waist-shaped holes are formed in the left connecting plate and the right connecting plate.
Furthermore, the frame comprises a rear frame used for playing a role of reinforcing ribs, the rear frame is fixed at one end of the frame body, and the rear frame connects the left frame, the left connecting plate, the right frame, the right connecting plate and the top frame.
The guide block is used for thickening the thickness of the through hole, the guide blocks are respectively attached to the upper surfaces of the at least three standard hole areas, and the through hole formed in the guide block is aligned with the through hole in the original standard hole area.
Furthermore, the head radiotherapy device provided by the invention also comprises an N-shaped wire frame which can be detachably arranged on the head fixing supporting plate, wherein the N-shaped wire frame is arranged on the head fixing supporting plate
The N-shaped wire frame comprises a first group of N-shaped wire plates, a second group of N-shaped wire plates and a third group of N-shaped wire plates, wherein the first group of N-shaped wire plates and the second group of N-shaped wire plates are parallel to a sagittal plane, and the third group of N-shaped wire plates are parallel to a transverse plane;
the tail ends of the first group of N-shaped line plates are connected with the head ends of the third group of N-shaped line plates, and the tail ends of the three groups of N-shaped line plates are connected with the head ends of the second group of N-shaped line plates to form an N-shaped line frame;
each group of N-shaped wire plates is provided with an image developing device, and the image developing device is composed of image developing tubes arranged on four sides of a square and a diagonal line of the square.
The reinforcing ribs are arranged on the upper end surfaces of the first, second and third groups of N-shaped wire plates;
the connecting piece is arranged at the head end of the first group of N-shaped line boards and the tail end of the second group of N-shaped line boards, and each connecting piece is provided with a positioning hole;
each group of N-shaped line plates are provided with groove structures matched with the image developing device structures, each groove structure is composed of grooves formed in four sides of a square and a diagonal line of the square, and the image developing tubes are placed in the groove structures; the device also comprises a pressing plate, wherein the pressing plate is fixed on the image developing tube in each group of the N-shaped wire plates through screws.
Furthermore, first, two and three N shape line boards adopt transparent rigid plastic to make, are located the opening of having seted up on the both sides of diagonal on each N shape line board of group.
Furthermore, the head fixing supporting plate comprises a head support and a U-shaped frame, one end of the head support is fixed on the U-shaped frame, and the other end of the head support can be arranged in the N-shaped wire frame in a sliding mode.
Furthermore, the device also comprises an L-shaped adapter, and the L-shaped adapter is fixed on the U-shaped frame through a bolt.
By adopting the technical scheme, the head of the patient is fixed in the head fixing supporting plate, and the reset frame is detachably arranged on the head fixing supporting plate; the reset frame is used for marking or resetting the head position of the patient; the frame body covers the head of the patient, the marking ruler rod extends from one through hole in each marking hole area, is inserted into the through hole and then is pressed against the head of the patient, and the depth value of the insertion is recorded through the scales on the marking ruler rod; and obtaining at least three groups of depth values through at least three marked hole areas so as to position the head at the spatial position on the head fixing supporting plate. And when the spatial position of the head is marked by the reset frame, the reset frame is removed, the N-shaped mounting wire frame is mounted on the head fixing supporting plate, and nuclear magnetic scanning is performed. If the radiotherapy of the same focus needs to be carried out for a plurality of times, for example, when the radiotherapy is needed for the second time, the head of a patient is fixed in a head fixing supporting plate, the previous spatial position of the head is reset by using a resetting frame, the resetting frame is withdrawn, an N-shaped wire frame is installed, and the radiotherapy is carried out for the second time; the device simple structure, convenient to use, can be applied to various image check out test set in, effectively avoid the developer seepage, effectual supplementary improvement positioning accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a head radiotherapy device according to the present invention;
FIG. 2 is a second schematic view of the head radiotherapy device of the present invention;
FIG. 3 is a schematic structural diagram of a reset frame according to the present invention;
FIG. 4 is one of the schematic diagrams of the N-shaped wire frame structure of the present invention;
FIG. 5 is a second schematic diagram of the N-shaped wire frame structure of the present invention;
FIG. 6 is a schematic view of the structure of the N-shaped wire frame and the head fixing support plate of the present invention;
fig. 7 is a schematic view of the structure of the present invention in which an N-shaped wire frame is installed in a head fixing plate.
In the figure: 1. a first set of N-shaped line boards; 2. a second set of N-shaped line boards; 3. a third set of N-shaped line boards; 4. an image developing tube; 5. reinforcing ribs; 6. a connecting member; 7. positioning holes; 8. a groove; 9. pressing a plate; 10. an opening; 11. a head rest; 12. a U-shaped frame; 13. an L-shaped adapter; 14. a head model; 15. an N-shaped wire frame; 16. resetting the frame; 17. a head fixing supporting plate; 18. an N-shaped wire frame; 19. marking the ruler rod; 20. a marked hole region; 21. a through hole; 22. a left frame; 23. a right frame; 24. a top frame; 25. a left connecting plate; 26. a right connecting plate; 27. a kidney-shaped hole; 28. a rear frame; 29. a guide block; 30. an upper positioning pin; 31. and a lower positioning leg.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
As shown in fig. 1 and fig. 2, the present embodiment provides a head radiotherapy device capable of multiple reduction, which includes a reduction frame 16 and a head fixing supporting plate 17; wherein the head of the patient is fixed in a head fixing supporting plate 17 (the head can refer to the head model in fig. 1), and the reset frame 16 is detachably arranged on the head fixing supporting plate 17; the reset frame 16 is used for marking or resetting the head position of the patient; the reset frame 16 comprises a frame body capable of covering the head of the patient and a marking ruler rod 19; the frame body is at least provided with three marked hole regions 20, and each marked hole region 20 is provided with a plurality of through holes 21;
the frame body covers the head of a patient, the marking ruler rod 19 extends from one through hole 21 in each marking hole area 20, is inserted and then is pressed against the head of the patient, and the inserted depth value is recorded through the scale marks on the marking ruler rod 19; at least three sets of depth values are obtained through the at least three marked hole regions 20 to locate the spatial position of the head on the head fixation splint 17.
As shown in fig. 3, in the multi-reduction head radiotherapy device provided in this embodiment, as a preferred embodiment, the frame body includes a left frame 22, a right frame 23 and a top frame 24; the left frame 22 and the right frame 23 are arranged in parallel relatively, and the top frame 24 is covered on the left frame 22 and the right frame 23 to form a frame body capable of covering the head of a patient; wherein the standard hole region 20 is respectively provided on the left frame 22, the right frame 23 and the top frame 24.
In order to facilitate taking and placing the reset frame 16, handles convenient to grasp can be directly arranged on the left frame 22 and the right frame 23, in this embodiment, it is considered that the standard hole region 20 is directly arranged on the left frame 22 and the right frame 23, and in order not to affect the use effect of the hole region, the left connecting plate 25 and the right connecting plate 26 are separately arranged in this embodiment; the left connecting plate 25 is used for connecting the left frame 22 and the top frame 24, and the right connecting plate 26 is used for connecting the right frame 23 and the top frame 24; waist-shaped holes 27 are formed in the left connecting plate 25 and the right connecting plate 26. The reset frame 16 is taken and placed by grabbing the waist-shaped hole 27, so that the operation is more convenient.
In order to enhance the stability of the reset frame 16, a rear frame 28 is provided in this embodiment to serve as a reinforcing rib, the rear frame 28 is fixed to one end of the frame body, and the rear frame 28 connects the left frame 22, the left connecting plate 25, the right frame 23, the right connecting plate 26, and the top frame 24.
In order to ensure the stability of the marking ruler rod 19 in the pushing process, the guide block 29 is arranged in the embodiment, the guide block 29 is used for thickening the thickness of the through hole 21, the deepening of the thickness of the through hole 21 is beneficial to the collimation degree of the marking ruler rod 19 in the pushing process, the positioning mark caused by the left-right shaking of the marking ruler rod 19 is avoided being not accurate enough, the guide block 29 is respectively attached to at least three marking hole areas 20, and the through hole 21 formed in the guide block 29 is aligned with the through hole 21 in the original marking hole area 20.
It should be added that the form of the plurality of through holes 21 may be various, and the present embodiment provides a cross shape according to the actual situation, but is not limited to this.
It should be added that the head radiotherapy device capable of being repeatedly reset is further provided with an upper positioning foot 30 and a lower positioning foot 31, and the upper positioning foot 30 and the lower positioning foot 31 are arranged on the end surface of the reset frame 16, so that the head radiotherapy device is conveniently installed in the head fixing supporting plate 17.
By adopting the technical scheme, the head of the patient is fixed in the head fixing supporting plate 17, and the reset frame 16 is detachably arranged on the head fixing supporting plate 17; the reset frame 16 is used for marking or resetting the head position of the patient; the frame body covers the head of a patient, the marking ruler rod 19 extends from one through hole 21 in each marking hole area 20, is inserted and then is pressed against the head of the patient, and the inserted depth value is recorded through the scale marks on the marking ruler rod 19; at least three sets of depth values are obtained through the at least three marked hole regions 20 to locate the spatial position of the head on the head fixation splint 17. For a detailed description of the invention, the method of use will now be described: when the spatial position of the head is marked by the reset frame 16, the reset frame 16 is removed, the N-shaped wire frame 18 is installed on the head fixing supporting plate 17, and nuclear magnetic scanning is performed, wherein the nuclear magnetic scanning is mainly performed to obtain a focus point in the head of the patient, and then radiotherapy is performed. Considering the factor of radiation dose, the patient generally needs to be irradiated for a plurality of times on the same focus point, a plurality of days are required to be spaced between every two times of irradiation, for example, when the second and above times of irradiation are required, the head of the patient is fixed in the head fixing supporting plate 17, the previous spatial position of the head is reset by using the resetting frame 16, the resetting frame 16 is withdrawn, the N-shaped wire frame 18 is installed, the second irradiation is carried out, the operation is simple and convenient by utilizing the head irradiation treatment device with the plurality of resets provided by the invention, the lying position of the patient can be restored for a plurality of times by resetting the patient,
as shown in fig. 4 and 5, the present embodiment provides a novel N-shaped wire frame, which comprises a first group of N-shaped wire boards 1, a second group of N-shaped wire boards 2, and a third group of N-shaped wire boards 3, wherein the first group of N-shaped wire boards 1 and the second group of N-shaped wire boards 2 are parallel to the sagittal plane; the tail end of the first group of N-shaped line boards 1 is connected with the head end of the third group of N-shaped line boards 3, and the tail end of the third group of N-shaped line boards 3 is connected with the head end of the second group of N-shaped line boards 2 to form an N-shaped wire frame; each group of the N-shaped line plates is provided with an image developing device, and the image developing device is composed of image developing tubes 4 arranged on four sides of a square and a diagonal line of the square.
In the embodiment, the N-shaped wire plate for CT scanning is made of a non-magnetic material having a certain density difference with the frame, the image developing tube 4 in the N-shaped wire frame for nuclear magnetic scanning is filled with a CuSO 42% solution, and the frame is made of a non-metal material.
As shown in fig. 4, in the N-shaped wire frame provided in the present embodiment, in order to enhance the structural stability, a reinforcing rib 5 for reinforcing the N-shaped wire frame is further provided, and the reinforcing rib 5 is provided on the upper end surfaces of the first, second, and third groups of N-shaped wire plates. Preferably, the reinforcing rib 5 is made of transparent hard plastic with an arc-shaped notch.
As shown in fig. 4, as a preferred embodiment, in the N-shaped wire frame provided in this embodiment, each group of N-shaped wire boards is provided with a groove structure adapted to the structure of the image developing device, the groove structure is composed of grooves 8 formed on four sides of a square and a diagonal of the square, and the image developing tube 4 is placed in the groove structure.
As a preferred embodiment, the N-shaped wire frame provided in this embodiment further includes a pressing plate 9, and the pressing plate 9 is fixed by screws and is pressed against the image developing tubes 4 in each group of N-shaped wire plates. It should be added that the shape of the pressing plate 9 is as shown in fig. 3 and 4, and the structure of the pressing plate 9 is adapted to the groove structure.
In order to bring convenience to use, the first, second and third groups of N-shaped line boards in this embodiment are made of transparent hard plastic, and openings 10 are provided on two sides of a diagonal line of each group of N-shaped line boards. The arrangement of the openings 10 is primarily an N-shaped wire frame which is conveniently marked during use. As a preferable embodiment, the through holes provided on both sides of the diagonal line in this embodiment have a triangular shape.
Still include connecting piece 6 in this embodiment, connecting piece 6 sets up on first group N shape line board 1 head end and on the tip of second group N shape line board 2, has all seted up locating hole 7 on each connecting piece 6.
As shown in fig. 6 and 7, the head radiotherapy device capable of being repeatedly repositioned comprises a head support 11 and a U-shaped frame 12, wherein one end of the head support 11 is fixed on the U-shaped frame 12, and the other end of the head support 11 is slidably disposed in an N-shaped wire frame.
In the head fixing device provided in this embodiment, when the head rest 11 is disposed in the N-shaped wire frame, the U-shaped wire frame 12 is fixed to the N-shaped wire frame by a bolt. In particular to a U-shaped frame 12 fixed in a positioning hole 7 arranged on a connecting piece 6 through a bolt.
On the other hand, an L-shaped adapter 13 is further provided in the present embodiment, and the L-shaped adapter 13 is fixed to the U-shaped frame 12 by bolts. The L-shaped adapter 13 can be mounted on a treatment bed of radiotherapy equipment.
The invention utilizes first to three groups of N-shaped line plates to form an N-shaped line frame, wherein each group of N-shaped line plates consists of image developing tubes 4 arranged on four sides of a square and diagonal lines of the square; the device simple structure, convenient to use, can be applied to various image check out test set in, effectively avoid the developer seepage, effectual supplementary improvement positioning accuracy. In operation, the head of a patient (shown in the figure as a head model 14) is placed on the head support 11, moved inside the N-shaped wire frame 15, the U-shaped frame 12 is fixed in the positioning hole 7 formed in the connecting piece 6 by a bolt, and can be mounted on the treatment couch of the radiotherapy equipment by the L-shaped adapter 13.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A head radiotherapy device capable of being reset for multiple times is characterized in that: comprises a reset frame and a head fixing supporting plate; wherein
The head of the patient is fixed in the head fixing supporting plate, and the reset frame is detachably arranged on the head fixing supporting plate; the reset frame is used for marking or resetting the head position of the patient;
the reset frame comprises a frame body which can cover the head of the patient and a marking ruler rod; the frame body is at least provided with three marked hole areas, and each marked hole area is provided with a plurality of through holes;
the frame body covers the head of the patient, the marking ruler rod extends from one through hole in each marking hole area, is inserted into the through hole and then is pressed against the head of the patient, and the depth value of the insertion is recorded through the scales on the marking ruler rod;
and obtaining at least three groups of depth values through at least three marked hole areas so as to position the head at the spatial position on the head fixing supporting plate.
2. The multi-resettable head radiation therapy device of claim 1, wherein: the frame body comprises a left frame, a right frame and a top frame; the left frame and the right frame are arranged in parallel relatively, and the top frame cover is arranged on the left frame and the right frame to form a frame body capable of covering the head of a patient; wherein the standard hole region is respectively arranged on the left frame, the right frame and the top frame.
3. The multi-resettable head radiation therapy device of claim 2, wherein: the connecting device also comprises a left connecting plate and a right connecting plate; the left connecting plate is used for connecting the left frame and the top frame, and the right connecting plate is used for connecting the right frame and the top frame; waist-shaped holes are formed in the left connecting plate and the right connecting plate.
4. The multi-resettable head radiation therapy device of claim 3, wherein: the rear frame is fixed at one end of the frame body and connects the left frame, the left connecting plate, the right frame, the right connecting plate and the top frame.
5. The multi-resettable head radiotherapy device of any one of claims 1 to 4, wherein: the guide block is used for thickening the thickness of the through hole, the guide blocks are respectively attached to the upper surfaces of the at least three standard hole areas, and the through hole formed in the guide block is aligned with the through hole in the original standard hole area.
6. The multi-resettable head radiation therapy device of claim 5, wherein: the head fixing support plate is characterized by further comprising an N-shaped wire frame, wherein the N-shaped wire frame can be detachably arranged on the head fixing support plate, and the head fixing support plate is arranged on the head fixing support plate
The N-shaped wire frame comprises a first group of N-shaped wire plates, a second group of N-shaped wire plates and a third group of N-shaped wire plates, wherein the first group of N-shaped wire plates and the second group of N-shaped wire plates are parallel to a sagittal plane, and the third group of N-shaped wire plates are parallel to a transverse plane;
the tail ends of the first group of N-shaped line plates are connected with the head ends of the third group of N-shaped line plates, and the tail ends of the three groups of N-shaped line plates are connected with the head ends of the second group of N-shaped line plates to form an N-shaped line frame;
each group of N-shaped wire plates is provided with an image developing device, and the image developing device is composed of image developing tubes arranged on four sides of a square and a diagonal line of the square.
7. The multi-resettable head radiotherapy device of claim 6, wherein: the reinforcing ribs are arranged on the upper end surfaces of the first, second and third groups of N-shaped line plates;
the connecting piece is arranged at the head end of the first group of N-shaped line boards and the tail end of the second group of N-shaped line boards, and each connecting piece is provided with a positioning hole;
each group of N-shaped line plates are provided with groove structures matched with the image developing device structures, each groove structure is composed of grooves formed in four sides of a square and a diagonal line of the square, and the image developing tubes are placed in the groove structures;
the device also comprises a pressing plate, wherein the pressing plate is fixed on the image developing tube in each group of the N-shaped wire plates through screws.
8. The multi-reduction head radiotherapy device of claim 7, wherein: the first, second and third groups of N-shaped line boards are made of transparent hard plastics, and openings are formed in two sides of a diagonal line on each group of N-shaped line boards.
9. The multi-resettable head radiotherapy device of claim 6, wherein: the head fixing supporting plate comprises a head support and a U-shaped frame, one end of the head support is fixed on the U-shaped frame, and the other end of the head support can be arranged in the N-shaped wire frame in a sliding mode.
10. The multi-reduction head radiotherapy device of claim 9, wherein: the U-shaped frame is characterized by further comprising an L-shaped adapter, and the L-shaped adapter is fixed on the U-shaped frame through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911029954.4A CN110639133A (en) | 2019-10-28 | 2019-10-28 | Head radiotherapy device capable of resetting for multiple times |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911029954.4A CN110639133A (en) | 2019-10-28 | 2019-10-28 | Head radiotherapy device capable of resetting for multiple times |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110639133A true CN110639133A (en) | 2020-01-03 |
Family
ID=68994909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911029954.4A Pending CN110639133A (en) | 2019-10-28 | 2019-10-28 | Head radiotherapy device capable of resetting for multiple times |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110639133A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028739A (en) * | 2021-11-17 | 2022-02-11 | 上海伽玛星科技发展有限公司 | Control method for multiple reduction of head radiotherapy |
-
2019
- 2019-10-28 CN CN201911029954.4A patent/CN110639133A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028739A (en) * | 2021-11-17 | 2022-02-11 | 上海伽玛星科技发展有限公司 | Control method for multiple reduction of head radiotherapy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5178146A (en) | Grid and patient alignment system for use with MRI and other imaging modalities | |
| US5682890A (en) | Magnetic resonance stereotactic surgery with exoskeleton tissue stabilization | |
| US5590655A (en) | Frameless laser guided stereotactic localization system | |
| US4875478A (en) | Portable compression grid & needle holder | |
| US6359959B1 (en) | System for determining target positions in the body observed in CT image data | |
| Peters et al. | Integrated stereotaxic imaging with CT, MR imaging, and digital subtraction angiography. | |
| US5752962A (en) | Surgical procedures | |
| CN1814323B (en) | Focusing ultrasonic therapeutical system | |
| EP3072472B1 (en) | Stereotactic whole-body guide system for precisely positioning surgical instruments inside the body | |
| CN105381534A (en) | Guide plate for seed implantation and manufacturing method and device thereof | |
| Orth et al. | Development of a unique phantom to assess the geometric accuracy of magnetic resonance imaging for stereotactic localization | |
| WO1997006744A1 (en) | Versatile stereotactic device and methods of use | |
| US6261299B1 (en) | Stereotactic apparatus and methods | |
| US6270506B1 (en) | Medical targeting apparatus | |
| Pötter et al. | Sagittal and coronal planes from MRI for treatment planning in tumors of brain, head and neck: MRI assisted simulation | |
| CN110639133A (en) | Head radiotherapy device capable of resetting for multiple times | |
| CN211215043U (en) | Novel N-shaped wire frame and head fixing device adopting same | |
| Ertl et al. | Quality assurance for the Leksell gamma unit: Considering magnetic resonance image‐distortion and delineation failure in the targeting of the internal auditory canal | |
| CN211461822U (en) | Head radiotherapy device capable of resetting for multiple times | |
| Waspe et al. | Integration and evaluation of a needle‐positioning robot with volumetric microcomputed tomography image guidance for small animal stereotactic interventions | |
| EP1653853B1 (en) | Using magnetic resonance images for locating anatomical targets | |
| Pilipuf et al. | A noninvasive thermoplastic head immobilization system | |
| Peters et al. | CT aided stereotaxy for depth electrode implantation and biopsy | |
| AU638953B2 (en) | Device for interfacing mri with other imaging modalities | |
| US20130079625A1 (en) | Ct - mri hyrbrid apparatus and method of implementing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |