CN219071878U - Fixing device for installing radiotherapy body membrane - Google Patents
Fixing device for installing radiotherapy body membrane Download PDFInfo
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- CN219071878U CN219071878U CN202320116823.5U CN202320116823U CN219071878U CN 219071878 U CN219071878 U CN 219071878U CN 202320116823 U CN202320116823 U CN 202320116823U CN 219071878 U CN219071878 U CN 219071878U
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Abstract
The utility model discloses a fixing device for installing a radiotherapy body membrane. The fixing device includes: the positioning plate is rectangular and is used for transversely arranging and installing a positioning radiotherapy body membrane on the bed plate; the limiting strip is arranged on the lower surface of the positioning plate; at least one limiting strip is respectively arranged at two side ends of the lower surface of the positioning plate and is matched with the positions of two side surfaces of the bed plate so as to mount the positioning plate at the set position of the bed plate; the positioning assembly is arranged on the upper surface of the positioning plate; at least one group of positioning components are respectively arranged at two side ends of the upper surface of the positioning plate and are used for mounting the radiotherapy body membrane; the limit bar is provided with a structure matched with the salient points on the side edge of the bed board so as to be matched and fixedly installed with the bed board or move the limit bar; the distance between the positioning components arranged at the two side ends is adjustable so as to adapt to patients with different body types.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a fixing device for mounting a radiotherapy body membrane.
Background
Tumor radiotherapy is a local treatment method for treating tumors by using radiation. Radiation includes radioisotope generated alpha, beta, gamma rays, and x-rays, electron beams, proton beams, and other particle beams generated by various types of x-ray therapeutic machines or accelerators, and the like. About 70% of cancer patients require radiation therapy in the course of treatment of cancer, and about 40% of cancer can be radically treated with radiation therapy. The effect and the position of the radiation therapy in the tumor therapy are increasingly prominent, the radiation therapy becomes one of the main means for treating malignant tumors, along with the development and progress of technology, the heavy ion radiation therapy technology is generated, the heavy ion radiation can concentrate the dosage on cancer cells, the therapy mode has little damage to surface cells, no side effect, no pain to patients and higher cure rate; compared with the conventional radiotherapy dosage which is mainly lost at the superficial part, the normal tissues of the surface layer of the human body can be damaged, the radiotherapy dosage can provide better physical dosage distribution and higher biological effect so as to achieve higher local control rate and lower side effect, and thus, the body position of the patient needs to be positioned more accurately in the treatment process so as to ensure accurate treatment.
The body position fixing is realized by means of the body position fixing device, so that the patient is prevented from changing the therapeutic body position due to self-help and non-autonomous movement, the body position of the patient is kept unchanged in the therapeutic process, the proper body position fixing device is selected, the positioning time of the patient every day can be shortened, the breathing mobility of the body can be limited, and the positioning error can be reduced; however, existing position fixing devices are not adjustable to suit the body type of different patients.
Disclosure of Invention
In view of this, some embodiments disclose a fixation device for mounting a radiotherapy body membrane, comprising:
the positioning plate is rectangular and is used for transversely arranging and installing a positioning radiotherapy body membrane on the bed plate;
the limiting strip is arranged on the lower surface of the positioning plate; at least one limiting strip is respectively arranged at two side ends of the lower surface of the positioning plate and is matched with the positions of two side surfaces of the bed plate so as to mount the positioning plate at the set position of the bed plate;
the positioning assembly is arranged on the upper surface of the positioning plate; at least one group of positioning components are respectively arranged at two side ends of the upper surface of the positioning plate and are used for mounting the radiotherapy body membrane;
the limit bar is provided with a structure matched with the salient points on the side edge of the bed board so as to be matched and fixedly installed with the bed board or move the limit bar;
the distance between the positioning components arranged at the two side ends is adjustable so as to adapt to patients with different body types.
Some embodiments disclose a fixing device for installing radiotherapy body membrane, and first mounting holes are seted up to the upper surface both sides end of locating plate for install locating component.
Some embodiments disclose a fixing device for installing a radiotherapy body membrane, wherein an included angle of which the included angle degree is smaller than 90 degrees is formed between the end face and the bottom face of the long side of the positioning plate.
Some embodiments disclose a fixing device for installing a radiotherapy body membrane, and four vertex angles of the positioning plate are fillets.
Some embodiments disclose a fixing device for installing a radiotherapy body membrane, and the locating components that the same side end of locating plate set up are two sets of.
Some embodiments disclose a fixing device for installing a radiotherapy body membrane, and a structure which is arranged on a limit strip and is matched with a salient point on the side edge of a bed board is a notch.
Some embodiments disclose a fixation device for mounting a radiotherapy body membrane, the positioning assembly comprising:
the positioning strip is a rectangular component; the positioning strip is provided with a second mounting hole, and the second mounting hole corresponds to the first mounting hole on the positioning plate and is used for mounting the positioning strip on the positioning plate through a fixing piece; the direction of the positioning strip is consistent with that of the positioning plate; the positioning strip is also provided with a positioning hole for fixing the radiotherapy body membrane;
the limiting piece is provided with a hollowed-out structure matched with the positioning strip, and is used for sleeving the limiting piece on the positioning strip and moving along the length direction of the positioning strip; the side of locating part has the spill breach, and the spill breach is used for cooperating with the locating hole on the locating strip, fixed mounting radiotherapy body membrane.
Some embodiments disclose a fixing device for installing radiotherapy body membrane, and the hollow out construction of locating part is the through type guide way that sets up in the locating part, and the shape and the locating strip of through type guide way are mutually adapted.
Some embodiments disclose a fixing device for installing a radiotherapy body membrane, the locating hole sets up a plurality ofly, and a plurality of locating holes are along the length direction interval setting of location strip.
Some embodiments disclose a fixing device for installing radiotherapy body membrane, the long side of locating strip is provided with the recess, and the through guide slot edge of locating piece has the sand grip of the recess looks adaptation of locating strip long side.
According to the fixing device for mounting the radiotherapy body membrane, the position of the positioning plate on the bed plate can be adjusted along the longitudinal direction of the bed plate according to the body shape of a patient, the positioning plate is fixedly mounted on the bed plate through the limiting strips, and then the distance between the positioning components at the two side ends of the positioning plate is adjusted, so that the position of the fixing device is matched with the patient, and the radiotherapy body membrane mounted on the fixing device can be attached to the diseased part of the patient. The fixing device for installing the radiotherapy body membrane disclosed by the embodiment of the utility model is simple in installation mode, can adjust the size of the fixing device to adapt to patients of different sizes, can adjust the tightness of the radiotherapy body membrane, and can adapt to the installation requirements of all conventional radiotherapy body membranes.
Drawings
FIG. 1 is a schematic view showing the structure of a fixing device for mounting a radiotherapy body membrane according to embodiment 1;
FIG. 2 is a schematic diagram showing a second structure of a fixing device for mounting a radiotherapy body membrane in embodiment 1;
FIG. 3 is a schematic view of the positioning plate of embodiment 2;
FIG. 4 is a schematic view of the structure of the positioning strip of the embodiment 3;
FIG. 5 is a schematic view of the structure of the limiting member in embodiment 4;
FIG. 6 embodiment 5 a state of use of the fixture for mounting a radiotherapy body membrane;
fig. 7 an enlarged view of part of the fixing device for attaching a radiotherapy body membrane in use, in example 5.
Reference numerals
1. Positioning assembly of positioning plate 2
3. Spacing 4 locating strip
5. Limiting piece 6 bed board
11. First mounting hole 31 notch
41. Second mounting hole 42 positioning hole
43. Groove 51 through type guide groove
52. Concave notch of convex strip 53
61. Bump
Detailed Description
The word "embodiment" as used herein does not necessarily mean that any embodiment described as "exemplary" is preferred or advantageous over other embodiments. Performance index testing in the examples herein, unless otherwise indicated, was performed using conventional testing methods in the art. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.
Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; other test methods and techniques not specifically identified herein are those commonly employed by those of ordinary skill in the art.
The terms "substantially" and "about" are used herein to describe small fluctuations. For example, they may refer to less than or equal to ±5%, such as less than or equal to ±2%, such as less than or equal to ±1%, such as less than or equal to ±0.5%, such as less than or equal to ±0.2%, such as less than or equal to ±0.1%, such as less than or equal to ±0.05%. Numerical data presented or represented herein in a range format is used only for convenience and brevity and should therefore be interpreted flexibly to include not only the numerical values explicitly recited as the limits of the range, but also to include all the individual numerical values or sub-ranges encompassed within that range. For example, a numerical range of "1 to 5%" should be interpreted to include not only the explicitly recited values of 1% to 5%, but also include individual values and sub-ranges within the indicated range. Thus, individual values, such as 2%, 3.5% and 4%, and subranges, such as 1% to 3%, 2% to 4% and 3% to 5%, etc., are included in this numerical range. The same principle applies to ranges reciting only one numerical value. Moreover, such an interpretation applies regardless of the breadth of the range or the characteristics being described.
In this document, including the claims, conjunctions such as "comprising," including, "" carrying, "" having, "" containing, "" involving, "" containing, "and the like are to be construed as open-ended, i.e., to mean" including, but not limited to. Only the conjunctions "consisting of … …" and "consisting of … …" are closed conjunctions.
Numerous specific details are set forth in the following examples in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In the examples, some methods, means, instruments, devices, etc. well known to those skilled in the art are not described in detail in order to highlight the gist of the present application.
On the premise of no conflict, the technical features disclosed in the embodiments of the present application may be combined arbitrarily, and the obtained technical solution belongs to the disclosure of the embodiments of the present application. It should be noted that, the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model unless otherwise inconsistent with the context. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless otherwise conflicting with context.
In some embodiments, a fixation device for mounting a radiotherapy body membrane comprises:
the positioning plate is rectangular and is used for transversely arranging and installing a positioning radiotherapy body membrane on the bed plate; as an alternative implementation mode, the positioning plate can move along the length direction of the bed plate, and the setting position of the positioning plate on the bed plate is adjusted;
the limiting strip is arranged on the lower surface of the positioning plate; at least one limiting strip is respectively arranged at two side ends of the lower surface of the positioning plate and is matched with the positions of two side surfaces of the bed plate so as to mount the positioning plate at the set position of the bed plate; in general, the distance between two limit strips arranged at two side ends of the lower surface of the positioning plate is equal to the width of the bed plate, and the inner side walls of the two limit strips are propped against the side surface of the bed plate, so that the positioning plate can be stably arranged at a proper position of the bed plate;
the positioning assembly is arranged on the upper surface of the positioning plate; at least one group of positioning components are respectively arranged at two side ends of the upper surface of the positioning plate and are used for mounting the radiotherapy body membrane; the distance between the positioning components arranged at the two side ends is adjustable so as to adapt to patients with different body types.
As an alternative implementation mode, two groups of positioning components are respectively arranged at two side ends of the upper surface of the positioning plate, and the two groups of positioning components arranged at two side ends of the upper surface of the positioning plate are mutually matched, so that the radiotherapy body membrane can be positioned.
In some embodiments, the limit bar is provided with a structure matched with the protruding points on the side edge of the bed board so as to be matched and fixedly installed with the bed board or move the limit bar; as an alternative implementation mode, the limit strips are provided with notches which are matched with the protruding points on the side edges of the bed board;
the side of the bed board is provided with protruding points, the protruding points are usually movable parts, the protruding points are usually in an extending state, the tops of the protruding points protrude out of the side of the bed board, the protruding points are pressed and retracted into the bed board, the tops of the protruding points are flush with the side of the bed board, the positioning board can be placed on the bed board in an adapting mode, and at the moment, the notches of the limiting strips of the positioning board are matched with the protruding points of the bed board to fix the position of the positioning board; when the positioning plate moves on the bed plate, the salient points on the side edge of the bed plate are extruded by the limiting strips and retract to be level with the side surface of the bed plate, so that the positioning plate can move on the bed plate; when the positioning plate moves to the set position of the bed plate, the convex points on the side edge of the set position of the bed plate extend out and fall into the notch of the limit strip, so that the positioning plate can be fixed at the set position.
As an alternative embodiment, the limit bar is provided with at least two notches.
As an alternative embodiment, two notches are arranged on the limit bar, and the distance between the two notches is the same as the distance between any two adjacent salient points on the side edge of the bed board; the two notches are arranged, so that the positioning plate can be more stably fixed on the bed plate.
In some embodiments, two first mounting holes are formed at two side ends of the upper surface of the positioning plate, and two first mounting holes in two side end regions form a group of first mounting holes for mounting two groups of positioning components. As an alternative implementation mode, a plurality of groups of first mounting holes are formed in the positioning plate, and a plurality of groups of positioning components can be mounted in an adaptive mode according to positioning requirements.
As an alternative embodiment, the same side end of the positioning plate is provided with two groups of positioning components.
In some embodiments, an included angle with the bottom surface is formed between the long-side end surface of the positioning plate, wherein the included angle is smaller than 90 degrees, so that the long-side end surface of the positioning plate is in a slope shape; in some embodiments, the edges of the locating plate are chamfered such that the locating plate has an arcuate transition edge that reduces discomfort to the patient when the patient uses the locating plate.
In some embodiments, the four corners of the locating plate are rounded. The vertex angle of the positioning plate is set to be a round angle, so that collision is reduced and scratch is avoided when the fixing device is installed.
In some embodiments, the positioning assembly comprises:
the positioning strip is a rectangular component; the positioning strip is provided with a second mounting hole, and the second mounting hole corresponds to the first mounting hole on the positioning plate and is used for mounting the positioning strip on the positioning plate through a fixing piece; the direction of the positioning strip is consistent with that of the positioning plate; the positioning strip is also provided with a positioning hole for fixing the radiotherapy body membrane; positioning columns are usually placed in the positioning holes to fix the radiotherapy body membranes;
the limiting piece is provided with a hollowed-out structure matched with the positioning strip, and is used for sleeving the limiting piece on the positioning strip and moving along the length direction of the positioning strip; the side of locating part has the spill breach, and the spill breach is used for cooperating with the locating hole on the locating strip, fixed mounting radiotherapy body membrane.
When the positioning assembly is used for positioning the radiotherapy body membrane, the limiting piece is usually moved, so that the limiting piece moves along the positioning strip, and when a concave notch on the side surface of the limiting piece is positioned above a positioning hole in a set position, the movement is stopped; the positioning column penetrates through the radiotherapy body membrane and is arranged in the concave notch and the positioning hole, at the moment, the concave notch on the side face of the limiting piece is matched with the positioning hole, so that the angle of the positioning column can be kept stable, and the positioning column is prevented from falling out of the positioning hole.
In some embodiments, a plurality of positioning holes are formed in the positioning strip, and the plurality of positioning holes are arranged at intervals along the length direction of the positioning strip. The proper positioning holes can be generally selected according to the body shape of a patient, and the positioning columns are inserted into the proper positioning holes to fix the radiotherapy body membrane, so that the radiotherapy body membrane is completely attached to the diseased part of the patient.
In some embodiments, the hollow structure of the limiting piece is a through guide groove arranged in the limiting piece, and the shape of the through guide groove is mutually matched with the positioning strip, so that the limiting piece can freely move on the positioning strip.
In some embodiments, the long side of the positioning strip is provided with a groove, and the edge of the through guide groove of the limiting piece is provided with a convex strip matched with the groove of the long side of the positioning strip; when the limiting piece is sleeved on the positioning strip, the convex strips at the edge of the through type guide groove of the limiting piece are matched with the grooves on the long side edges of the positioning strip.
In some embodiments, the groove on the long side of the positioning strip is arranged in the middle area of the positioning strip, the length of the groove is smaller than that of the long side of the positioning strip, two ends of the groove are closed, and the limiting piece sleeved on the positioning strip is prevented from slipping from the end part of the groove.
Further exemplary details are described below in connection with the embodiments.
Example 1
Fig. 1 is a schematic structural view of a fixing device for mounting a radiotherapy body membrane disclosed in embodiment 1; fig. 2 is a schematic diagram of a second structure of the fixing device for mounting a radiotherapy body membrane disclosed in embodiment 1.
As shown in fig. 1 and 2, the fixing device for installing a radiotherapy body membrane disclosed in embodiment 1 includes a positioning plate 1 which is rectangular overall, two groups of positioning components 2 for installing a radiotherapy body membrane are respectively arranged in two side end areas of the upper surface of the positioning plate 1, and a limit strip 3 for installing the positioning plate on a set position of a bed board is arranged on the lower surface of the positioning plate;
the long side end face of the positioning plate 1 and the bottom face of the positioning plate 1 are provided with an inclined angle, so that the long side end face of the positioning plate 1 is in a slope shape; the long-side end face in a slope shape can relieve discomfort caused by the edges and corners of the positioning plate to a human body;
the positioning assembly 2 comprises a positioning strip 4 longitudinally arranged on the positioning plate 1 and a limiting piece 5 sleeved on the positioning strip 4, wherein the limiting piece 5 can move along the length direction of the positioning strip 4; the position of the limiting piece on the positioning strip can be adjusted to adapt to the installation requirement of the radiotherapy body membrane;
the limiting strip 3 is provided with three notches 31 adapted to the salient points on the side of the bed board, wherein the distance between any two adjacent notches 31 is generally the same as the distance between any two adjacent salient points on the side of the bed board, the limiting strip is adapted to be buckled on the bed board, and the positioning board can be stably arranged on the bed board.
Example 2
Fig. 3 is a schematic structural diagram of the positioning plate disclosed in embodiment 2.
As shown in fig. 3, the left and right end regions of the positioning plate 1 are respectively provided with three first mounting holes 11, the three first mounting holes of the left end region form a group of first mounting holes for mounting a group of positioning components on the left side of the positioning plate, and the three first mounting holes of the right end region form a group of first mounting holes for mounting a group of positioning components on the right side of the positioning plate; multiple groups of first mounting holes can be formed in the left end portion area and the right end portion area of the positioning plate so as to adapt to the mounting requirements of the positioning assembly.
Example 3
Fig. 4 is a schematic structural view of the positioning strip disclosed in embodiment 3. As shown in fig. 4, the positioning strip 4 is provided with second mounting holes 41, and the setting positions and the number of the second mounting holes 41 are corresponding to those of the first mounting holes, so that the positioning strip 4 is mounted on the positioning plate through the fixing piece; the positioning strip 4 is also provided with four positioning holes 42 for fixing the radiotherapy body membrane, and the four positioning holes 42 are arranged at intervals along the length direction of the positioning strip, so that the radiotherapy body membrane can be fixed by selecting proper positioning holes according to the body shape of a patient; the edges of the upper long side and the lower long side of the lower surface of the positioning strip 4 are respectively provided with a groove 43, the grooves 43 extend from the middle area of the positioning strip to the left end and the right end, the length of the grooves 43 is smaller than that of the long side of the positioning strip, the two ends of the grooves are closed, and the limiting piece sleeved on the positioning strip can be prevented from slipping from the end part of the grooves.
Example 4
Fig. 5 is a schematic structural view of a limiting member disclosed in embodiment 4. As shown in fig. 5, the bottom of the limiting member 5 is provided with a through type guide groove 51 which is matched with the shape of the positioning strip, the edge of the through type guide groove is provided with a convex strip 52 which is matched with a groove on the positioning strip, and the limiting member can be sleeved on the positioning strip through the through type guide groove and can move along the length direction of the positioning strip. The side surface of the limiting piece 5 is provided with a concave notch 53 which is used for fixedly mounting a radiotherapy body membrane in a matched mode with a positioning hole on the positioning strip; when the positioning assembly is used for positioning the radiotherapy body membrane, the limiting piece can be moved to the position close to the proper positioning hole according to the body shape of a patient, so that the concave notch on the limiting piece is positioned right above the positioning hole, and then the radiotherapy body membrane is completely attached to the diseased part of the patient by penetrating the positioning column through the radiotherapy body membrane and inserting the positioning column into the concave notch and the positioning hole.
Example 5
FIG. 6 is a view showing the use of the fixing device for mounting a radiotherapy body membrane disclosed in embodiment 5; fig. 7 is a partially enlarged view of the fixing device for attaching a radiotherapy body membrane disclosed in embodiment 5 in a use state.
As shown in fig. 6 and 7, a set of fixing devices for mounting radiotherapy body membranes are respectively arranged at two set positions on the bed plate 6, two sets of positioning components 2 are respectively arranged at two side ends of the upper surface of a positioning plate in the fixing devices above, three notches 31 are formed in a limit strip 3 arranged on the side edge of the lower surface of the positioning plate 1, the three notches 31 are respectively connected with three continuous protruding points 61 on the side edge of the set position of the bed plate, and the positioning plate is fixed at the set position above the bed plate;
two side ends of the upper surface of the positioning plate 1 in the lower fixing device are respectively provided with a group of positioning components 2; two notches are formed in a limit strip arranged on the side edge of the lower surface of the positioning plate and are respectively connected with two continuous protruding points on the side edge of the set position of the bed plate, and the positioning plate is fixed at the set position below the bed plate.
Set up two sets of fixing device who is used for installing radiotherapy body membrane on bed board 6, the fixed radiotherapy body membrane that can be better makes the area that the radiotherapy body membrane was expanded enough cover patient need the position of radiotherapy, makes the radiotherapy body membrane can laminate in patient need the position of radiotherapy, can fix patient need the position of radiotherapy.
According to the fixing device for mounting the radiotherapy body membrane, the position of the positioning plate on the bed plate can be adjusted along the longitudinal direction of the bed plate according to the body shape of a patient, the positioning plate is fixedly mounted on the bed plate through the limiting strips, and then the distance between the positioning components at the two side ends of the positioning plate is adjusted, so that the position of the fixing device is matched with the patient, and the radiotherapy body membrane mounted on the fixing device can be attached to the diseased part of the patient. The fixing device for installing the radiotherapy body membrane disclosed by the embodiment of the utility model is simple in installation mode, can adjust the size of the fixing device to adapt to patients of different sizes, can adjust the tightness of the radiotherapy body membrane, and can adapt to the installation requirements of all conventional radiotherapy body membranes.
The technical details disclosed in the technical scheme and the embodiment of the utility model are only illustrative of the inventive concept of the utility model and are not limiting to the technical scheme of the utility model, and all conventional changes, substitutions or combinations of the technical details disclosed in the embodiment of the utility model have the same inventive concept as the utility model and are within the scope of the claims of the utility model.
Claims (10)
1. A fixing device for installing radiotherapy body membrane, its characterized in that includes:
the positioning plate is rectangular and is used for transversely arranging and installing a positioning radiotherapy body membrane on the bed plate;
the limiting strip is arranged on the lower surface of the positioning plate; two side ends of the lower surface of the positioning plate are respectively provided with at least one limiting strip which is matched with the positions of two side surfaces of the bed plate so as to mount the positioning plate on the set position of the bed plate;
the positioning assembly is arranged on the upper surface of the positioning plate; at least one group of positioning components are respectively arranged at two side ends of the upper surface of the positioning plate and used for mounting a radiotherapy body membrane;
the limiting strip is provided with a structure matched with the protruding points on the side edge of the bed board so as to be matched and fixedly installed with the bed board or move the limiting strip;
the distance between the positioning components arranged at the two side ends is adjustable so as to adapt to patients with different body types.
2. The fixing device for installing a radiotherapy body membrane according to claim 1, wherein the upper surface of the positioning plate is provided with first mounting holes at both side ends for installing the positioning assembly.
3. The fixture for mounting a radiotherapy body membrane of claim 1, wherein the long side end face and the bottom face of the positioning plate form an included angle of which the included angle is smaller than 90 degrees.
4. The fixture for mounting a radiotherapy body membrane of claim 1, wherein four apex angles of the positioning plate are rounded corners.
5. The fixture for mounting a radiotherapy body membrane of claim 1, wherein the positioning plates have two sets of positioning members disposed on the same side end.
6. The fixing device for installing a radiotherapy body membrane according to claim 1, wherein the limit bar is provided with a notch which is matched with the protruding point on the side edge of the bed board.
7. The fixture for mounting a radiotherapy body membrane of claim 2, wherein the positioning assembly comprises:
the positioning strip is a rectangular component; the positioning strip is provided with a second mounting hole, and the second mounting hole corresponds to the first mounting hole on the positioning plate and is used for mounting the positioning strip on the positioning plate through a fixing piece; the direction of the positioning strip is consistent with that of the positioning plate; the positioning strip is also provided with a positioning hole for fixing the radiotherapy body membrane;
the limiting piece is provided with a hollowed-out structure matched with the positioning strip, and is used for sleeving the limiting piece on the positioning strip and moving along the length direction of the positioning strip; the side of locating part has the spill breach, the spill breach be used for with the locating hole cooperation on the locating strip, fixed mounting radiotherapy body membrane.
8. The fixing device for installing a radiotherapy body membrane according to claim 7, wherein the hollow structure of the limiting piece is a through guide groove arranged in the limiting piece, and the shape of the through guide groove is mutually matched with the positioning strip.
9. The fixture for mounting a radiation therapy body membrane of claim 7, wherein a plurality of said positioning holes are provided, a plurality of said positioning holes being spaced apart along a length of said positioning strip.
10. The fixing device for installing a radiotherapy body membrane according to claim 8, wherein the long side of the positioning strip is provided with a groove, and the edge of the through guide groove of the limiting piece is provided with a convex strip matched with the groove of the long side of the positioning strip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320116823.5U CN219071878U (en) | 2023-01-31 | 2023-01-31 | Fixing device for installing radiotherapy body membrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320116823.5U CN219071878U (en) | 2023-01-31 | 2023-01-31 | Fixing device for installing radiotherapy body membrane |
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| CN219071878U true CN219071878U (en) | 2023-05-26 |
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| CN202320116823.5U Active CN219071878U (en) | 2023-01-31 | 2023-01-31 | Fixing device for installing radiotherapy body membrane |
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