CN219921873U - Leg limiter for pelvic tumor radiotherapy - Google Patents
Leg limiter for pelvic tumor radiotherapy Download PDFInfo
- Publication number
- CN219921873U CN219921873U CN202320875509.5U CN202320875509U CN219921873U CN 219921873 U CN219921873 U CN 219921873U CN 202320875509 U CN202320875509 U CN 202320875509U CN 219921873 U CN219921873 U CN 219921873U
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- foot
- leg
- limiter
- limiting
- groove
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- 238000001959 radiotherapy Methods 0.000 title claims abstract description 42
- 206010061336 Pelvic neoplasm Diseases 0.000 title claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 210000002414 leg Anatomy 0.000 abstract description 16
- 206010028980 Neoplasm Diseases 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 210000000629 knee joint Anatomy 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 4
- 210000004197 pelvis Anatomy 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The utility model belongs to the technical field of medical auxiliary instruments, and particularly discloses a leg limiter for pelvic tumor radiotherapy, which comprises the following components: a fixed substrate and two limit components; the limiting component is provided with a plug-in mounting seat, a foot limiting piece, a supporting rod and an angle adjuster. Each limiting component is provided with a foot limiting piece with a bearing groove so as to fix two feet of a patient on a fixed base plate and fix the two feet on a radiotherapy body frame, and then the lower leg and the foot part of the knee joint of the patient can be fixed on the radiotherapy body frame so as to fix the whole body of the patient; and the foot limiting part is arranged on the plug-in mounting seat through the angle adjuster, so that the rotating angle of the foot limiting part can be adjusted to adjust the outward rotation angle of the foot supported on the foot limiting part, and then the foot of a patient can be fixed to the outward rotation angle in a natural state, so that the patient is fixed on the discharging body frame in the natural state, and the situation that the tumor target area is displaced due to the rotation of pelvis is avoided, so that the radiotherapy effect is ensured.
Description
Technical Field
The utility model relates to the technical field of medical auxiliary instruments, in particular to a leg limiter for pelvic tumor radiotherapy.
Background
The conventional pelvic tumor radiotherapy common fixing method is a supine position fixed by using a negative pressure vacuum pad or polyurethane foam, the fixing method is limited by a vacuum bag or the foam, the positions of the lower leg and the foot part below the knee joint of a patient cannot be limited, the fixing precision can be improved only by limiting the pelvic cavity and the thigh, according to the anatomy structure of the leg of a human body, the abduction width of the leg and the rotation angle of the foot can lead to the rotation of the pelvic cavity, the tumor target area is finally displaced, and the radiotherapy effect is poor.
Disclosure of Invention
The purpose of the utility model is that: the leg limiter for pelvic tumor radiotherapy solves the technical problems that in the prior art, the positions of the lower leg and the foot part below the knee joint of a patient cannot be limited during radiotherapy, the lower leg and the foot shake during radiotherapy, a tumor target area displaces, and the radiotherapy effect is poor.
To achieve the above object, the present utility model provides a leg stopper for pelvic tumor radiotherapy, comprising: a fixed substrate and two limit components; the upper side surface of the fixed substrate is provided with a plurality of limiting jacks; the limiting jacks are arranged on the upper side surface of the fixed substrate in a rectangular array, and the limiting assembly is provided with a plug-in seat, a foot limiting piece, a supporting rod and an angle adjuster; the support rod is arranged on the plug-in mounting seat, the foot limiting piece is arranged on the angle adjuster, the angle adjuster is arranged on the support rod, the foot limiting piece is provided with a bearing groove for bearing the foot of a patient, and the angle adjuster is used for adjusting the outward rotation angle of the foot limiting piece; at least two positioning columns are arranged on the bottom surface of the plug-in mounting seat; the positioning column is used for being inserted into the limiting jack.
Preferably, the angle adjuster has a vertical rod and a rotation shaft; the utility model discloses a foot support device, including support groove, axis of rotation, foot locating part, support groove, axis of rotation with the pole setting rotates to be connected, the pole setting with the pole setting is connected, the foot locating part with the pole setting is connected, the deviating from of foot locating part with one side of support groove with axis of rotation fixed connection, the pole setting is provided with the circular arc groove, the centre of a circle of circular arc groove is located the epaxial of axis of rotation, the foot locating part is provided with and passes the screw thread post of circular arc groove, the screw thread post is kept away from the one end of foot locating part is provided with first nut, first nut with screw thread post threaded connection.
Preferably, the method further comprises: a second nut; the second nut is in threaded connection with the threaded column, and the first nut and the second nut are respectively located on two sides of the circular arc groove.
Preferably, an installation table is arranged in the middle of the vertical rod, the rotating shaft is rotationally connected with the installation table, and the circular arc groove is formed in the installation table.
Preferably, the pole setting still be provided with the slide bar that the mount table downside is connected, the branch is provided with the vertical slide hole of length direction, the slide bar stretches into in the slide hole, just the slide bar with branch sliding connection, the branch is provided with and is used for stretching into the first holding screw in the slide hole, the branch be provided with first holding screw threaded connection's first screw hole, first holding screw orientation the one end of slide hole be used for with slide bar butt.
Preferably, the upright is provided with a handle connected to the upper side of the mounting table.
Preferably, the mounting table is provided with a rotation scale at the edge of the circular arc groove.
Preferably, the bottom of cartridge seat is provided with spout and slide, the slide with spout sliding connection, the reference column sets up the bottom of slide, the cartridge seat is provided with the intercommunication the second screw hole of spout, second screw hole threaded connection has the second holding screw, the second holding screw orientation the one end of spout be used for with slide butt.
Preferably, the sliding plate is parallel to the length direction of the rotating shaft along the moving direction of the sliding groove.
Preferably, the number of the positioning columns is four, and the four positioning columns are distributed on the sliding plate in a rectangular array.
The leg limiter for pelvic tumor radiotherapy provided by the utility model has the beneficial effects that: the leg limiter is provided with two limiting assemblies, each limiting assembly is provided with a foot limiting piece with a bearing groove, so that two feet of a patient are fixed on the fixed base plate and are fixed on a radiotherapy body frame, and the lower leg and the foot part below the knee joint of the patient can be fixed on the radiotherapy body frame to fix the whole body of the patient; and the foot limiting part is arranged on the plug-in mounting seat through the angle adjuster, so that the rotating angle of the foot limiting part can be adjusted to adjust the outward rotation angle of the foot supported on the foot limiting part, and then the foot of a patient can be fixed to the outward rotation angle in a natural state, so that the patient is fixed on the discharging body frame in the natural state, and the situation that the tumor target area is displaced due to the rotation of pelvis is avoided, so that the radiotherapy effect is ensured.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic diagram of a leg limiter for pelvic tumor radiotherapy in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic view of another view of a leg limiter for pelvic tumor radiotherapy according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a structure of a limiting assembly and a fixing substrate after being disassembled;
FIG. 4 is a schematic top view of a structure of a fixed substrate according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a spacing assembly according to an embodiment of the present utility model;
FIG. 6 is a schematic view of another view of a spacing assembly according to an embodiment of the present utility model;
FIG. 7 is a schematic cross-sectional view of a foot limiter according to an embodiment of the present utility model;
FIG. 8 is a schematic cross-sectional view of a strut and a slide bar according to an embodiment of the present utility model;
fig. 9 is a schematic cross-sectional view of a socket according to an embodiment of the utility model.
In the figure, 100, a substrate is fixed; 110. limiting jack; 200. a limit component; 210. a plug-in mounting seat; 211. positioning columns; 212. a chute; 213. a slide plate; 214. a second threaded hole; 215. a second set screw; 220. foot limiting parts; 221. a support groove; 222. a threaded column; 223. a first nut; 230. a support rod; 231. a slide hole; 232. a first set screw; 233. a first threaded hole; 240. an angle adjuster; 241. a vertical rod; 242. a rotating shaft; 243. an arc groove; 244. a mounting table; 245. a slide bar; 246. a handle; 247. rotating the scale; 300. and a second nut.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 9, a description will be given of a vehicle chassis according to an embodiment of the present utility model.
Referring to fig. 1 to 4, and fig. 7, a leg stopper for pelvic tumor radiotherapy according to an embodiment of the present utility model includes: a fixed substrate 100 and two limit components 200; the upper side of the fixed substrate 100 is provided with a plurality of limiting jacks 110; the limiting assembly 200 is provided with a plug-in seat 210, a foot limiting piece 220, a supporting rod 230 and an angle adjuster 240; the support rod 230 is arranged on the plug-in mounting seat 210, the foot limiting member 220 is arranged on the angle adjuster 240, the angle adjuster 240 is arranged on the support rod 230, the foot limiting member 220 is provided with a supporting groove 221 for supporting the foot of a patient, and the angle adjuster 240 is used for adjusting the outward rotation angle of the foot limiting member 220; at least two positioning columns 211 are arranged on the bottom surface of the plug-in mounting seat 210; the positioning column 211 is used for being inserted into the limiting jack 110.
The thickness and width of the fixed base plate 100 are consistent with the gantry plates used for radiotherapy so that the fixed base plate 100 can be directly placed on or replaced with the gantry plates on the radiotherapy gantry. The plurality of limiting jacks 110 disposed on the upper side of the fixed substrate 100 are used for matching with the positioning columns 211 of the socket 210 of the limiting assembly 200, and when the positioning columns 211 of the socket 210 are inserted into the limiting jacks 110, the socket 210 can be fixed on the fixed substrate 100 to avoid the limiting assembly 200 from moving left and right. Wherein, there are at least two positioning columns 211 to ensure that the socket 210 will not rotate around the positioning columns 211. The plurality of limiting jacks 110 are arranged on the upper side of the fixed substrate 100 in a rectangular array, and medical staff can select the inserting positions of the inserting seat 210 and the fixed substrate 100 according to the natural placing positions of the feet of the patient so as to adjust the positions of the limiting assemblies 200, so that the foot limiting members 220 can conveniently support the feet of the patient.
The foot limiting member 220 on the limiting assembly 200 is provided with a supporting groove 221, the supporting groove 221 is of a profiling design, and the shape of the supporting groove 221 of the foot limiting member 220 is similar to that of a foot of a human body, so that the foot of a patient needing radiotherapy can be better supported, and the foot limiting member is convenient to be matched with the inserting seat 210 and the supporting rod 230 to be fixed on the fixed base plate 100. The spacing assembly 200 has two legs to secure the patient. Wherein, the foot of the patient has a certain outward rotation angle in a natural state, the strut 230 is connected with the foot limiter 220 through the angle adjuster 240, and can adjust the rotation angle of the foot limiter 220 to adjust the outward rotation angle of the foot supported on the foot limiter 220, so that the foot of the patient can be fixed to the outward rotation angle in the natural state, and the tumor target area is prevented from being displaced during radiotherapy, thereby improving the treatment effect.
The leg limiter for pelvic tumor radiotherapy of the present embodiment is provided with two limiting assemblies 200, each limiting assembly 200 has a foot limiting member 220 with a supporting groove 221 to fix two feet of a patient on a fixing base plate 100 to be fixed on a radiotherapy body frame, and then the lower leg and foot parts below the knee joint of the patient can be fixed on the radiotherapy body frame to fix the whole body of the patient; moreover, the foot limiting member 220 is disposed on the inserting seat 210 through the angle adjuster 240, and the rotation angle of the foot limiting member 220 can be adjusted to adjust the outward rotation angle of the foot supported on the foot limiting member 220, so that the foot of the patient can be fixed to the outward rotation angle in a natural state, the patient can be fixed on the discharging frame in a natural state, and the situation that the tumor target area is displaced due to the rotation of the pelvis is avoided, so that the radiotherapy effect is ensured.
Referring to fig. 5 and 6, in a preferred embodiment of the present utility model, the angle adjuster 240 has a vertical rod 241, a rotation shaft 242; the rotation shaft 242 is rotationally connected with the vertical rod 241, the vertical rod 241 is connected with the support rod 230, one side surface of the foot limiting piece 220, which is far away from the bearing groove 221, is fixedly connected with the rotation shaft 242, the vertical rod 241 is provided with an arc groove 243, the circle center of the arc groove 243 is located on the center axis of the rotation shaft 242, the foot limiting piece 220 is provided with a threaded column 222 penetrating through the arc groove 243, one end of the threaded column 222, which is far away from the foot limiting piece 220, is provided with a first nut 223, and the first nut 223 is in threaded connection with the threaded column 222. That is, a side of the foot limiter 220 facing away from the patient is connected with the rotation shaft 242 so as to be rotatably connected with the upright 241, so that the foot limiter 220 can rotate around the rotation shaft 242 to adjust the external rotation angle of the foot; the threaded post 222 is disposed on a side of the foot limiter 220 facing away from the patient, so as to pass through the circular arc groove 243, and when the foot limiter 220 rotates around the rotating shaft 242, the threaded post 222 can move along the circular arc groove 243 because the center of the circular arc groove 243 is located on the center axis of the rotating shaft 242; the first nut 223 is in threaded connection with the threaded column 222, and the first nut 223 can be screwed in towards the vertical rod 241, so that the first nut 223 is abutted against the vertical rod 241, and the position of the threaded column 222 is fixed by static friction force between the first nut 223 and the vertical rod 241 so as to fix the position of the foot limiting piece 220 at the moment, thereby facilitating the fixing of the foot of a patient at a certain outward rotation angle and facilitating the fixing of the foot of the patient to the outward rotation angle in a natural state.
When the external rotation angle needs to be adjusted, the first nut 223 is unscrewed in a direction away from the upright 241, so that the first nut 223 is separated from the upright 241, and the foot limiter 220 can rotate around the rotation axis 242 to adjust the external rotation angle.
Referring to fig. 5 and 6, in a preferred embodiment of the present utility model, a leg stopper includes: a second nut 300; the second nut 300 is screwed with the threaded post 222, and the first nut 223 and the second nut 300 are respectively located at two sides of the circular arc groove 243. The second nut 300 forms a double-nut locking mechanism with the first nut 223 to clamp the upright 241, so that the foot limiter 220 is better fixed to a certain angle, and the foot limiter 220 is prevented from loosening during discharging.
Referring to fig. 5 and 6, in a preferred embodiment of the present utility model, a mounting table 244 is provided at a central portion of the upright 241, a rotation shaft 242 is rotatably coupled to the mounting table 244, and a circular arc groove 243 is provided on the mounting table 244. The mounting table 244 may be a fan-shaped mounting table 244, and the rotation shaft 242 is disposed above the circular arc groove 243, so as to reduce the width of the upright 241 and reduce the production cost.
Referring to fig. 5, 6 and 8, in a preferred embodiment of the present utility model, the upright 241 is further provided with a sliding bar 245 connected to the underside of the mounting table 244, the supporting bar 230 is provided with a sliding hole 231 vertically in the length direction, the sliding bar 245 extends into the sliding hole 231, and the sliding bar 245 is slidably connected to the supporting bar 230, the supporting bar 230 is provided with a first set screw 232 for extending into the sliding hole 231, the supporting bar 230 is provided with a first threaded hole 233 threadedly connected to the first set screw 232, and one end of the first set screw 232 facing the sliding hole 231 is for abutting against the sliding bar 245. The sliding rod 245 can move up and down along the supporting rod 230 to adjust the height of the foot limiting part 220 connected with the angle adjusting device, so that the foot of the patient is closer to the body frame of the radiotherapy, and the foot and the leg are prevented from being suspended. The first set screw 232 is used for abutting against the sliding rod 245, so that when the first set screw 232 is screwed in towards the sliding rod 245, the first set screw 232 extrudes the sliding rod 245, the sliding rod 245 is fixed to the current height, and the foot limiting part 220 is prevented from being shifted during radiotherapy. When the height of the foot limiter 220 needs to be adjusted, the first set screw 232 is unscrewed to separate the first set screw 232 from the slide rod 245, so that the height of the foot limiter 220 can be adjusted.
Referring to fig. 5 and 6, in a preferred embodiment of the present utility model, the upright 241 is provided with a handle 246 connected to the upper side of the mounting table 244. The handle 246 is located on the upper side of the mounting table 244 to facilitate the medical staff to grasp the upright 241, facilitate the sliding rod 245 to lift along the sliding hole 231 of the strut 230, and facilitate the adjustment of the height of the foot limiter 220.
Referring to fig. 5 and 6, in a preferred embodiment of the present utility model, the mount 244 is provided with a rotation scale 247 at the edge of the circular arc groove 243. The rotation scale 247 is used for measuring the external rotation angle, and the external rotation angle of the foot of the patient is more visual by judging the external rotation angle through the position of the threaded column 222, so that the external rotation angle of the foot limiting piece 220 is convenient to adjust.
Referring to fig. 5, 6 and 9, in a preferred embodiment of the present utility model, a sliding groove 212 and a sliding plate 213 are provided at the bottom of the socket 210, the sliding plate 213 is slidably connected to the sliding groove 212, and the positioning column 211 is provided at the bottom of the sliding plate 213. The socket 210 is provided with a second threaded hole 214 communicated with the sliding groove 212, the second threaded hole 214 is in threaded connection with a second set screw 215, and one end of the second set screw 215 facing the sliding groove 212 is used for abutting against the sliding plate 213. The sliding plate 213 can move along the direction of the sliding slot 212, and the sliding plate 213 is fixed to the fixed substrate 100 by the positioning posts 211, so that after the sliding plate 213 is fixed to the fixed substrate 100, the inserting seat 210 can be moved along the sliding slot 212 to adjust the position of the foot limiter 220, so that the foot limiter 220 can be aligned to the foot of the patient better. The second set screw 215 is screwed in the direction close to the sliding plate 213, so that the second set screw 215 is abutted against the sliding plate 213 to squeeze the sliding plate 213, fix the relative position between the sliding plate 213 and the inserting seat 210, and prevent the inserting seat 210 from moving during radiotherapy. When the position of the socket 210 needs to be adjusted, the second set screw 215 is unscrewed in a direction away from the sliding plate 213, so that the second set screw 215 is separated from the sliding plate 213, and the socket 210 can move along the sliding plate 213 at this time to adjust the position.
Referring to fig. 5 and 6, when the sliding plate 213 is parallel to the length direction of the rotation shaft 242 along the moving direction of the sliding slot 212, the distance between the foot limiter 220 and the patient's pelvis can be adjusted when the socket 210 moves along the direction of the sliding plate 213, so that the patient's foot can be better matched with the foot limiter 220.
Referring to fig. 5 and 6, in a preferred embodiment of the present utility model, the number of the positioning columns 211 is four, and the four positioning columns 211 are distributed on the sliding plate 213 in a rectangular array. The four positioning posts 211 can better fix the socket 210, so that the stress is more balanced, and the socket 210 is prevented from shaking or shifting during chemotherapy.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. A leg limiter for pelvic tumor radiotherapy, comprising: a fixed substrate and two limit components; the upper side surface of the fixed substrate is provided with a plurality of limiting jacks; the limiting jacks are arranged on the upper side surface of the fixed substrate in a rectangular array, and the limiting assembly is provided with a plug-in seat, a foot limiting piece, a supporting rod and an angle adjuster; the support rod is arranged on the plug-in mounting seat, the foot limiting piece is arranged on the angle adjuster, the angle adjuster is arranged on the support rod, the foot limiting piece is provided with a bearing groove for bearing the foot of a patient, and the angle adjuster is used for adjusting the outward rotation angle of the foot limiting piece; at least two positioning columns are arranged on the bottom surface of the plug-in mounting seat; the positioning column is used for being inserted into the limiting jack.
2. The leg limiter for pelvic tumor radiotherapy according to claim 1, wherein the angle adjuster has a vertical rod, a rotational axis; the utility model discloses a foot support device, including support groove, axis of rotation, foot locating part, support groove, axis of rotation with the pole setting rotates to be connected, the pole setting with the pole setting is connected, the foot locating part with the pole setting is connected, the deviating from of foot locating part with one side of support groove with axis of rotation fixed connection, the pole setting is provided with the circular arc groove, the centre of a circle of circular arc groove is located the epaxial of axis of rotation, the foot locating part is provided with and passes the screw thread post of circular arc groove, the screw thread post is kept away from the one end of foot locating part is provided with first nut, first nut with screw thread post threaded connection.
3. The leg limiter for pelvic tumor radiotherapy of claim 2, further comprising: a second nut; the second nut is in threaded connection with the threaded column, and the first nut and the second nut are respectively located on two sides of the circular arc groove.
4. A leg limiter for pelvic tumor radiotherapy as in claim 3 wherein the central portion of the upright is provided with a mounting table, the rotating shaft is rotatably connected to the mounting table, and the circular arc groove is provided on the mounting table.
5. The leg limiter for pelvic tumor radiotherapy according to claim 4, wherein the upright is further provided with a slide bar connected to the underside of the mount, the support bar is provided with a slide hole in a longitudinal direction, the slide bar extends into the slide hole, the slide bar is slidably connected with the support bar, the support bar is provided with a first set screw for extending into the slide hole, the support bar is provided with a first threaded hole in threaded connection with the first set screw, and one end of the first set screw facing the slide hole is used for abutting with the slide bar.
6. The leg limiter for pelvic tumor radiotherapy according to claim 5, wherein the upright is provided with a handle connected to an upper side of the mount.
7. The leg limiter for pelvic tumor radiotherapy of claim 4, wherein the mount is provided with a rotation scale at the edge of the circular arc slot.
8. The leg limiter for pelvic tumor radiotherapy according to claim 2, wherein a sliding groove and a sliding plate are arranged at the bottom of the plug-in mounting seat, the sliding plate is in sliding connection with the sliding groove, the positioning column is arranged at the bottom of the sliding plate, the plug-in mounting seat is provided with a second threaded hole communicated with the sliding groove, the second threaded hole is in threaded connection with a second set screw, and one end of the second set screw, facing the sliding groove, is used for being abutted with the sliding plate.
9. The leg stopper for pelvic tumor radiotherapy according to claim 8, wherein the sliding plate is parallel to a length direction of the rotation shaft along a moving direction of the sliding groove.
10. The leg limiter for pelvic tumor radiotherapy of claim 9, wherein the number of positioning posts is four, and four of the positioning posts are distributed in a rectangular array on the sled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320875509.5U CN219921873U (en) | 2023-04-18 | 2023-04-18 | Leg limiter for pelvic tumor radiotherapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320875509.5U CN219921873U (en) | 2023-04-18 | 2023-04-18 | Leg limiter for pelvic tumor radiotherapy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219921873U true CN219921873U (en) | 2023-10-31 |
Family
ID=88486065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320875509.5U Active CN219921873U (en) | 2023-04-18 | 2023-04-18 | Leg limiter for pelvic tumor radiotherapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219921873U (en) |
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2023
- 2023-04-18 CN CN202320875509.5U patent/CN219921873U/en active Active
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