CN111494811A - Leg and foot fixator for lower limb tumor radiotherapy and radiotherapy fixing table - Google Patents
Leg and foot fixator for lower limb tumor radiotherapy and radiotherapy fixing table Download PDFInfo
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- CN111494811A CN111494811A CN202010291724.1A CN202010291724A CN111494811A CN 111494811 A CN111494811 A CN 111494811A CN 202010291724 A CN202010291724 A CN 202010291724A CN 111494811 A CN111494811 A CN 111494811A
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- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- 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
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- A61N2005/1097—Means for immobilizing the patient
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Abstract
The invention relates to a foot fixer for lower limb tumor radiotherapy and a radiotherapy fixing table. The first turnover plate is arranged in the rectangular through hole of the base plate, the first turnover plate is hinged with the base plate through a first rotating shaft, the first rotating shaft penetrates through the middle part of the first turnover plate, and two ends of the first rotating shaft extend out of the first turnover plate and are fixedly connected with the base plate; the first turnover plate is divided into an operation foot placing area and a non-operation foot placing area along the two sides of the first rotating shaft, a second turnover plate is arranged in a rectangular through hole of the operation foot placing area, and a third turnover plate is arranged in a rectangular through hole of the non-operation foot placing area. The leg and foot fixer and the radiotherapy fixing table can realize the quick and easy exchange of the operative foot fixer and the non-operative foot fixer, and reduce the work burden of medical staff.
Description
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a leg and foot fixator for lower limb tumor radiotherapy and a radiotherapy fixing table.
Background
For leg soft tissue tumor, because leg muscle tissue is loose, the tumor is easy to expand and grow or spread along the tissue gap, so that the tumor cell is transferred; for bone tumor and other diseases, tumor cells can invade other functional organs through blood circulation, lymphatic system and the like, so that the basic mode of surgical excision and radiation therapy is usually adopted clinically for treating the tumor at present.
Radiotherapy is a method for treating tumors by using radioactive rays to act on tumor cells to inactivate the tumor cells. For the patients who have been removed the tumor focus by the operation, because the operation can not completely remove the tumor cells, the radiation therapy with a certain dosage, range and time is carried out on the focus part and the surrounding tissues thereof by adopting the external radiation radiotherapy mode, so as to thoroughly kill the tumor cells and prevent the recurrence of the tumor.
In the course of radiotherapy treatment, the more important one is the stability of the body, this factor is the important factor to the good or bad effect of radiotherapy, in the course of radiotherapy treatment of low limbs in the past, there is not especially effective fixed measure, so lead to shine the field to be bigger, the irradiation area is unstable, lead to the radiotherapy treatment not ideal, and in the course of radiotherapy the patient in order to keep steadily deliberately, lead to muscle ache etc. like this for a long time, the tiredness increases, meanwhile, increased the work difficulty of medical staff, aggravated patient's uncomfortable sense.
Chinese patent publication No. CN110812715A discloses a medical external radiotherapy lower limb fixer, when carrying out external radiotherapy to the lower limb of a patient, place the leg of the patient required treatment on a leg supporting device, and make the foot of the patient block into the foot placing groove of the foot fixing device, through the included angle between an angle adjusting plate and a base and the rotating direction of a foot fixing component, thereby making the lower limb of the patient be at the angle required to be kept during treatment, thereby reducing the difficulty of medical workers, the positions of the foot fixing device and the leg supporting device can be adjusted according to the left leg and the right leg of the person. However, when the fixing device is adjusted according to different legs, the fixing device needs to be adjusted respectively, and the adjustment mode is complicated, which increases the workload of medical staff.
Disclosure of Invention
The invention aims to solve the technical problems and provide a leg and foot fixer for lower limb tumor radiotherapy and a radiotherapy fixing table, which can realize the quick and easy exchange of an operation foot fixer and a non-operation foot fixer and reduce the workload of medical staff.
In order to solve the technical problems, the invention adopts the technical scheme that: a foot fixer for lower limb tumor radiotherapy comprises a base plate, a first turnover plate, a second turnover plate, a third turnover plate, an operative foot fixing component and a non-operative foot fixing component;
the substrate is provided with a rectangular through hole;
the first turnover plate is arranged in the rectangular through hole of the base plate, the first turnover plate is hinged with the base plate through a first rotating shaft, the first rotating shaft penetrates through the middle of the first turnover plate, and two ends of the first rotating shaft extend out of the first turnover plate and are fixedly connected with the base plate;
the first turnover plate is divided into an operation foot placing area and a non-operation foot placing area along two sides of the first rotating shaft, rectangular through holes are respectively formed in the operation foot placing area and the non-operation foot placing area, a second turnover plate is arranged in the rectangular through holes of the operation foot placing area, the second turnover plate is hinged to the first turnover plate through a second rotating shaft, and the second rotating shaft is fixedly arranged in the middle of the second turnover plate in a penetrating mode; a third turnover plate is arranged in the rectangular through hole of the non-operative foot placing area, the third turnover plate is hinged with the first turnover plate through a third rotating shaft, and the third rotating shaft penetrates through the middle part of the third turnover plate;
the axis coincidence setting of second pivot and third pivot, the fixed cover of first pivot is equipped with first bevel gear, and the fixed cover of one end of second pivot is equipped with the second bevel gear, and the fixed cover of one end of third pivot is equipped with the third bevel gear, and first bevel gear respectively with second bevel gear and third bevel gear intermeshing.
The foot fixer for the lower limb tumor radiotherapy is further optimized as follows: the middle part of the first turnover plate is provided with a gear avoiding hole, the first bevel gear, the second bevel gear and the third bevel gear are all located in the gear avoiding hole, and a protective cover is arranged at the gear avoiding hole.
The foot fixer for the lower limb tumor radiotherapy is further optimized as follows: the fixed subassembly of art foot includes base, lifter and spacing, and base and spacing are the U-shaped structure, and the lower extreme of lifter is fixed on the second returning face plate, and the opening of base is upwards fixed on the top of lifter, and the opening of spacing sets up downwards, and the one end of spacing is articulated through the one end of round pin axle with the base, and the other end swing joint of buckle and base is passed through to the other end of spacing.
The foot fixer for the lower limb tumor radiotherapy is further optimized as follows: the inside of base is provided with soft liner, is provided with the screw hole on the horizontal part of spacing, and the screw hole internal rotation is equipped with the tight screw rod in top, and the top of the tight screw rod in top is connected with manual knob, and the bottom of the tight screw rod in top is connected with the compact heap, and the up end of compact heap is provided with the blind hole, is provided with the bearing in the blind hole, and the outer lane of bearing is fixed in the blind hole, and the bottom of the tight screw rod in top and the inner circle fixed connection.
The foot fixer for the lower limb tumor radiotherapy is further optimized as follows: the inner sides of the two vertical parts of the limiting frame are respectively provided with a sliding groove, and two sides of the pressing block are respectively provided with a side wing which can be clamped into the sliding grooves.
The foot fixer for the lower limb tumor radiotherapy is further optimized as follows: and a soft gasket is arranged on the lower end face of the pressing block.
The foot fixer for the lower limb tumor radiotherapy is further optimized as follows: the non-operative foot fixing assembly comprises a foot support and a first slide rail, the first slide rail is arranged on the third turnover plate, the first slide rail and the third rotating shaft are arranged in parallel, the foot support is composed of a U-shaped support and a support rod, the U-shaped support is connected with the first slide rail in a sliding mode through the support rod, and an opening of the U-shaped support is arranged upwards.
The foot fixer for the lower limb tumor radiotherapy is further optimized as follows: one end of the first turnover plate in the length direction is provided with a limiting piece, blind holes for embedding the limiting pieces are respectively formed in two sides of the base plate in the length direction of the rectangular through hole, a blocking piece is arranged on one side of each blind hole through a pin shaft, and the blind holes are located below the movement track of the blocking piece.
A fixed station for lower limb tumor radiotherapy comprises a fixed station body, a leg fixer and the foot fixer;
the fixed table body comprises a lower trunk supporting part and an upper trunk supporting part which are hinged with each other;
the foot fixer is connected to the tail end of the lower trunk supporting part of the fixed table body through a substrate of the foot fixer, a blind hole is formed in the lower trunk supporting part of the fixed table body, and a second sliding rail parallel to the first sliding rail is arranged in the blind hole;
the operating leg fixer comprises a bottom plate, an adjusting plate and a leg supporting block, wherein the bottom plate is arranged on a second slide rail in a sliding mode, a third slide rail which is perpendicular to the second slide rail is arranged on the bottom plate, the adjusting plate is arranged on the third slide rail in a sliding mode, and the leg supporting block is fixedly arranged on the upper end face of the adjusting plate;
a strip-shaped through hole is formed in one side, located on the first sliding rail, of the blind hole of the fixed table body, a rack is arranged at the lower end of the bottom plate along the length direction of the bottom plate, and the rack penetrates through the strip-shaped through hole;
the one end of first pivot towards the fixed station body is passed through the bearing and is connected with the base plate, the through-hole has been seted up to the lateral wall of base plate, the rotatable bearing that is provided with in the through-hole, the inner circle of bearing and with inner circle fixed connection are arranged in to the end of first pivot, the inner of bearing inner race is passed through the sleeve pipe and is connected with first returning face plate, the sleeve pipe cover is established at first pivot outside, the outer end fixedly connected with of bearing inner race and the coaxial shaft coupling pole of first pivot, the one end of shaft coupling pole and the outer lane fixed connection of bearing, the other pot head of shaft coupling pole is equipped with.
The fixing table for lower limb tumor radiotherapy is further optimized as follows: the gear is connected with the rack in a transmission mode through a gear box, and the input end and the output end of the gear box are meshed with the gear and the rack respectively.
The fixing table for lower limb tumor radiotherapy is further optimized as follows: shank holding tank has been seted up to the up end of shank supporting shoe, and flexible liner has been laid to shank holding tank bottom, and shank holding tank both sides are provided with shank fixing bandage.
The fixing table for lower limb tumor radiotherapy is further optimized as follows: one side of the adjusting plate is provided with a locking block, the lower end face of the locking block is flush with the lower end face of the leg supporting block, a threaded through hole penetrating through the locking block from top to bottom is formed in the locking block, a locking screw is screwed in the threaded through hole, and the length of the locking screw is larger than the depth of the threaded through hole.
The leg and foot fixer and the radiotherapy fixing table have the following beneficial effects:
the leg and foot fixator comprises an operation foot fixing component and a non-operation foot fixing component, and can realize forced fixation of an operation foot and flexible fixation of the non-operation foot, the positions of the operation foot fixing component and the non-operation foot fixing component can be adjusted according to different operation legs of a patient, the adjusting process is very convenient and fast, only the first turnover plate needs to be turned over, the turning process is carried out on the first turnover plate, the operation foot fixing component and the non-operation foot fixing component can be turned over synchronously, and the 'one-key' position adjustment of the operation foot fixing component and the non-operation foot fixing component is realized;
the limb tumor radiotherapy fixing table is provided with the operation leg fixing device matched with the operation foot fixing component, the operation leg of a patient needing radiotherapy can be further fixed, the position of the operation leg fixing device can be adjusted simultaneously along with the overturning of the first overturning plate, and the one-key position adjustment of three functional components of the operation foot fixing component, the operation leg fixing device and the non-operation foot fixing component is realized.
Drawings
FIG. 1 is a schematic structural view of a radiotherapy fixed table of the present invention in a first working position (right leg of a patient);
FIG. 2 is a schematic structural diagram of the radiotherapy fixing table in the adjusting process;
FIG. 3 is a schematic structural view of the radiotherapy fixed table of the present invention in a second working position (the operation leg of the patient is the left leg);
FIG. 4 is a schematic view of the leg and foot fastener of the present invention;
FIG. 5 is a schematic structural view of the fixing table body and the leg fixer of the present invention;
FIG. 6 is a schematic view showing the positional relationship of the coupling rod, gear box and rack in accordance with the present invention;
FIG. 7 is a schematic structural view of the surgical foot securing assembly of the present invention;
FIG. 8 is a schematic structural view of a non-surgical foot securing assembly in accordance with the present invention;
FIG. 9 is a schematic view of the position relationship between the blocking piece and the limiting piece of the present invention;
FIG. 10 is a schematic view of the position relationship between the locking block and the locking screw according to the present invention;
the labels in the figure are: 1. the base plate, 2, the first roll-over plate, 3, the second roll-over plate, 4, the third roll-over plate, 5, the first pivot, 6, the second pivot, 7, the third pivot, 8, the third bevel gear, 9, the first bevel gear, 10, the second bevel gear, 11, the gear dodge hole, 12, the base, 13, the lifter, 14, the spacing frame, 15, the jacking screw, 16, the compact heap, 17, the foot support, 18, the first slide rail, 19, the spacing piece, 20, the separation blade, 21, the fixed station body, 22, the second slide rail, 23, the bottom plate, 24, the regulating plate, 25, the leg supporting block, 26, the third slide rail, 27, the rack, 28, the connecting rod, 29, the gear, 30, the gear box, 31, the leg receiving slot, 32, the leg fixing bandage, 33, the locking block, 34, the locking screw.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in the figure: a foot fixer for lower limb tumor radiotherapy comprises a base plate 1, a first turnover plate 2, a second turnover plate 3, a third turnover plate 4, an operative foot fixing assembly and a non-operative foot fixing assembly.
The base plate 1 has a rectangle through-hole, and first returning face plate 2 sets up in the rectangle through-hole of base plate 1, and first returning face plate 2 is articulated with base plate 1 through first pivot 5, and first pivot 5 passes the middle part setting of first returning face plate 2, and the both ends of first pivot 5 are stretched out and with base plate 1 fixed connection by first returning face plate 2. Be swing joint between first pivot 5 and the first returning face plate 2, first pivot 5 can not rotate all the time, and first returning face plate 2 can overturn round first pivot 5.
First returning face plate 2 is divided into the art foot along the both sides of first pivot 5 and places the district and the district is placed to the non-art foot, and the art foot is placed the district and is placed the district with the non-art foot and is provided with the rectangle through-hole respectively, and the rectangle through-hole that the district was placed to the art foot is provided with second returning face plate 3, and second returning face plate 3 is articulated with first returning face plate 2 through second pivot 6, and second pivot 6 is fixed to be worn to establish at the middle part of second returning face plate 3. Rigid connection is between second returning face plate 3 and the second pivot 6, and second pivot 6 can rotate simultaneously along with the upset of second returning face plate 3, is provided with third returning face plate 4 in the rectangle through-hole in the district is placed to the foot of non-art, and third returning face plate 4 is articulated with first returning face plate 2 through third pivot 7, and third pivot 7 is worn to establish at the middle part of third returning face plate 4.
The axis coincidence setting of second pivot 6 and third pivot 7, the fixed cover of fixed cover is equipped with first bevel gear 9 on the first pivot 5, and the fixed cover of one end of second pivot 6 is equipped with second bevel gear 10, and the fixed cover of one end of third pivot 7 is equipped with third bevel gear 8, and first bevel gear 9 meshes with second bevel gear 10 and third bevel gear 8 respectively each other. The turnover linkage among the first turnover plate 2, the second turnover plate 3 and the third turnover plate 4 is realized through three bevel gears. The middle part of the first turnover plate 2 is provided with a gear avoiding hole 11, the first bevel gear 9, the second bevel gear 10 and the third bevel gear 8 are all positioned in the gear avoiding hole 11, and a protective cover is arranged at the gear avoiding hole 11.
When the first turnover plate 2 is turned over, the first turnover plate 2 drives the second turnover plate 3 and the third turnover plate 4 thereon to turn over around the first rotating shaft 5 at the same time, that is, the second rotating shaft 6 and the third rotating shaft 7 are also driven to turn over around the first rotating shaft 5 at the same time, in the turning process, because the first bevel gear 9 is fixed, the second bevel gear 10 and the third bevel gear 8 rotate at the same time, the second bevel gear 10 and the third bevel gear 8 drive the second rotating shaft 6 and the third rotating shaft 7 to rotate respectively, the second rotating shaft 6 and the third rotating shaft 7 drive the second turnover plate 3 and the third turnover plate 4 to turn over respectively, by turning over the first turnover plate 2, the turning over of the second turnover plate 3 and the third turnover plate 4 is synchronously realized, and after the first turnover plate 2 is turned over, the operative foot placing area and the non-operative foot placing area are exchanged.
The fixed subassembly of art foot includes base 12, lifter 13 and spacing 14, and base 12 and spacing 14 are the U-shaped structure, and the lower extreme of lifter 13 is fixed on second returning face plate 3, and the opening of base 12 is upwards fixed on the top of lifter 13, and the opening of spacing 14 sets up downwards, and the one end of spacing 14 is articulated through the one end of round pin axle with base 12, and the other end of spacing 14 passes through the other end swing joint of buckle with base 12. The inside of base 12 is provided with soft liner, is provided with the screw hole on the horizontal part of spacing 14, and threaded hole internal rotation is equipped with the tight screw rod 15 in top, and the top of the tight screw rod 15 in top is connected with manual knob, and the bottom of the tight screw rod 15 in top is connected with compact heap 16, and the up end of compact heap 16 is provided with the blind hole, is provided with the bearing in the blind hole, and the outer lane of bearing is fixed in the blind hole, and the bottom of the tight screw rod 15 in top and the inner circle fixed connection of. The inner sides of the two vertical parts of the limiting frame 14 are respectively provided with a sliding groove, and the two sides of the pressing block 16 are respectively provided with a side wing which can be clamped into the sliding grooves. The lower end face of the pressing block 16 is provided with a soft pad which can protect the feet of the patient in the fixing process.
The lifting rod 13 is a rod body with a telescopic length, and can adopt any height-adjustable rod body structure in the prior art, and can also adopt an electric push rod and the like.
The effect of the fixed subassembly of art foot is that it supports and fixes to do radiotherapy one side foot to the patient, when carrying out the radiotherapy, the patient places the ankle in the U-shaped recess of base 12, then overturn spacing 14 and the lock on base 12, make patient's ankle arrange in the passageway that base 12 and spacing 14 formed, then push up tight screw 15 through the rotating, make top tight screw 15 remove downwards, drive compact heap 16 moves downwards simultaneously, make compact heap 16 extrude patient's ankle, reach the purpose of fixed patient art foot.
The foot fixing component comprises a foot support 17 and a first slide rail 18, the first slide rail 18 is arranged on the third turnover plate 4, the first slide rail 18 and the third rotating shaft 7 are arranged in parallel, the foot support 17 is composed of a U-shaped support and a support rod, the U-shaped support is connected with the first slide rail 18 in a sliding mode through the support rod, and an opening of the U-shaped support is arranged upwards.
The non-operative foot fixing component is used for supporting the non-operative foot of the patient, does not need to fix the non-operative foot, only needs to support the non-operative foot at a proper height to ensure the comfort of the patient, and enables the foot support 17 supporting the non-operative foot to slide on the first sliding rail 18 in order to relieve the fatigue feeling generated when the non-operative foot keeps a certain posture in the radiotherapy process.
In order to facilitate fixing after position adjustment, a limiting piece 19 is arranged at one end of the first turnover plate 2 along the length direction, blind holes for embedding the limiting piece 19 are respectively formed in two sides of the base plate 1 in the length direction of the rectangular through hole, a blocking piece 20 is arranged on one side of each blind hole through a pin shaft, and the blind holes are located below the movement track of the blocking pieces 20.
Example 2
As shown in the figure: a fixing table for lower limb tumor radiotherapy comprises a fixing table body 21, a leg fixer and a foot fixer in embodiment 1.
The fixed table body 21 includes a lower torso support portion and an upper torso support portion hinged to each other, and the structure of the fixed table body 21 is similar to a bed in a medical system, and a portion of the fixed table body that is backed up may be turned over to enable a patient to adjust. The foot fixer is connected to the tail end of the lower trunk supporting part of the fixed table body 21 through the substrate 1, a blind hole is formed in the lower trunk supporting part of the fixed table body 21, and a second sliding rail 22 parallel to the first sliding rail 18 is arranged in the blind hole.
The operation leg fixer comprises a bottom plate 23, an adjusting plate 24 and a leg supporting block 25, wherein the bottom plate 23 is arranged on the second slide rail 22 in a sliding mode, a third slide rail 26 perpendicular to the second slide rail 22 is arranged on the bottom plate 23, the adjusting plate 24 is arranged on the third slide rail 26 in a sliding mode, and the leg supporting block 25 is fixedly arranged on the upper end face of the adjusting plate 24.
The whole operation leg fixer is arranged in a blind hole of the fixing table body 21, the bottom plate 23 can slide left and right along the second slide rail 22, the adjusting plate 24 can slide front and back along the third slide rail 26, and the left and right sliding of the bottom plate 23 is used for adjusting the adjustment caused by the difference of the operation legs.
One side of the first slide rail 18 in the blind hole of the fixed table body 21 is provided with a strip-shaped through hole, the lower end of the bottom plate 23 is provided with a rack 27 along the length direction of the bottom plate, and the rack 27 penetrates through the strip-shaped through hole. First pivot 5 passes through the bearing towards the one end of fixed station body 21 and is connected with base plate 1, the through-hole has been seted up to base plate 1's lateral wall, the rotatable bearing that is provided with in the through-hole, the inner circle of bearing is arranged in to the end of first pivot 5 and with inner circle fixed connection, the inner of bearing inner race is passed through the sleeve pipe and is connected with first returning face plate 2, the sleeve pipe cover is established in first pivot 5 outsidely, the outer end fixedly connected with of bearing inner race and the coaxial shaft coupling pole 28 of first pivot 5, the one end of shaft coupling pole 28 and the outer lane fixed connection of bearing, the other pot head of shaft coupling pole 28 is equipped with the gear. The gear box 30 is used for adjusting the transmission ratio, so that the rack 29 can just move from one side of the blind hole of the fixed table body 21 to the other side after the first rotating shaft 5 rotates 180 degrees.
Because the one end of first pivot 5 is with base plate 2 fixed connection, consequently, the other end of second pivot 5 is immovable with the inner circle of bearing, first returning face plate 2 is in the upset in-process, it rotates to drive the sleeve pipe, the sleeve pipe drives the outer lane of bearing and rotates, the bearing outer lane drives the shaft coupling 28 and rotates shaft coupling 28 and drive gear 29 and rotate, gear 29 drives rack 27 through gear box 30 and removes, rack 27 drives bottom plate 23 and removes about, the synchro-control between the fixed subassembly of art foot, the fixed subassembly of non-art foot and the fixed ware of art leg has finally been realized promptly.
One side of the adjusting plate 24 is provided with a locking block 33, the lower end face of the locking block 33 is flush with the lower end face of the leg support block 25, a threaded through hole penetrating through the locking block 33 from top to bottom is formed in the locking block 33, a locking screw 34 is screwed in the threaded through hole, and the length of the locking screw 34 is larger than the depth of the threaded through hole.
Through the structure, the front position and the rear position of the leg supporting block 25 can be fixed, when the leg supporting block 25 moves to a proper position, the locking screw 34 is screwed to move downwards to further push against the bottom plate 23, and the positioning of the leg supporting block 25 is realized, it needs to be described that the adjusting plate 24 is clamped on the third slide rail 26, therefore, after the locking screw 34 moves downwards to further push against the bottom plate 23, the friction force between the adjusting plate 24 and the third slide rail 26 is increased, and the fixing of the adjusting plate 24 is completed.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (12)
1. A foot fixer for radiotherapy of lower limb tumor is characterized in that: comprises a base plate (1), a first turnover plate (2), a second turnover plate (3), a third turnover plate (4), an operative foot fixing component and a non-operative foot fixing component;
the substrate (1) is provided with a rectangular through hole;
the first turnover plate (2) is arranged in the rectangular through hole of the base plate (1), the first turnover plate (2) is hinged with the base plate (1) through a first rotating shaft (5), the first rotating shaft (5) penetrates through the middle of the first turnover plate (2) to be arranged, and two ends of the first rotating shaft (5) extend out of the first turnover plate (2) and are fixedly connected with the base plate (1);
the first turnover plate (2) is divided into an operation foot placing area and a non-operation foot placing area along two sides of a first rotating shaft (5), rectangular through holes are respectively formed in the operation foot placing area and the non-operation foot placing area, a second turnover plate (3) is arranged in the rectangular through holes of the operation foot placing area, the second turnover plate (3) is hinged with the first turnover plate (2) through a second rotating shaft (6), and the second rotating shaft (6) is fixedly arranged in the middle of the second turnover plate (3) in a penetrating mode; a third turnover plate (4) is arranged in the rectangular through hole of the non-operative foot placement area, the third turnover plate (4) is hinged with the first turnover plate (2) through a third rotating shaft (7), and the third rotating shaft (7) is fixedly arranged in the middle of the third turnover plate (4) in a penetrating manner;
the axis coincidence setting of second pivot (6) and third pivot (7), first pivot (5) and second pivot (6) and third pivot (7) are all mutually perpendicular, fixed cover is equipped with first bevel gear (9) on first pivot (5), the fixed cover of one end of second pivot (6) is equipped with second bevel gear (10), the fixed cover of one end of third pivot (7) is equipped with third bevel gear (8), first bevel gear (9) respectively with second bevel gear (10) and third bevel gear (8) intermeshing.
2. The foot fixator for radiotherapy of tumors of the lower limbs of claim 1, wherein: the middle part of the first turnover plate (2) is provided with a gear avoiding hole (11), the first bevel gear (9), the second bevel gear (10) and the third bevel gear (8) are all located in the gear avoiding hole (11), and a protective cover is arranged at the gear avoiding hole (11).
3. The foot fixator for radiotherapy of tumors of the lower limbs of claim 1, wherein: fixed subassembly of art foot includes base (12), lifter (13) and spacing (14), base (12) and spacing (14) are the U-shaped structure, the lower extreme of lifter (13) is fixed on second returning face plate (3), the opening of base (12) is upwards fixed on the top of lifter (13), the opening of spacing (14) sets up downwards, the one end of spacing (14) is articulated through the one end of round pin axle with base (12), the other end of spacing (14) passes through the other end swing joint of buckle and base (12).
4. The foot fixator for radiotherapy of tumors of the lower limbs of claim 3, wherein: the inside of base (12) is provided with soft liner, is provided with the screw hole on the horizontal part of spacing (14), and threaded hole internal rotation is equipped with top tight screw rod (15), and the top of top tight screw rod (15) is connected with manual knob, and the bottom of top tight screw rod (15) is connected with compact heap (16), and the up end of compact heap (16) is provided with the blind hole, is provided with the bearing in the blind hole, and the outer lane of bearing is fixed in the blind hole, the bottom of top tight screw rod (15) and the inner circle fixed connection of bearing.
5. The foot fixator for radiotherapy of tumors of the lower limbs of claim 4, wherein: the inner sides of the two vertical parts of the limiting frame (14) are respectively provided with a sliding groove, and the two sides of the pressing block (16) are respectively provided with a side wing which can be clamped into the sliding grooves.
6. The foot support according to claim 4 or 5, for use in radiotherapy of tumors of the lower extremities, wherein: the lower end face of the pressing block (16) is provided with a soft gasket.
7. The foot fixator for radiotherapy of tumors of the lower limbs of claim 1, wherein: the non-operative foot fixing assembly comprises a foot support (17) and a first sliding rail (18), the first sliding rail (18) is arranged on a third turnover plate (4), the first sliding rail (18) and a third rotating shaft (7) are arranged in parallel, the foot support (17) is composed of a U-shaped support and a supporting rod, the U-shaped support is connected with the first sliding rail (18) in a sliding mode through the supporting rod, and an opening of the U-shaped support is arranged upwards.
8. The foot fixator for radiotherapy of tumors of the lower limbs of claim 1, wherein: one end of the first turnover plate (2) in the length direction is provided with a limiting piece (19), blind holes capable of being embedded by the limiting piece (19) are respectively formed in two sides of the base plate (1) in the length direction of the rectangular through hole, a blocking piece (20) is arranged on one side of each blind hole through a pin shaft, and the blind holes are located below the movement track of the blocking piece (20).
9. A fixed station for radiotherapy of lower limb tumors is characterized in that: comprises a fixing table body (21), a leg fixer and the foot fixer of claim 1;
the fixed table body (21) comprises a lower trunk supporting part and an upper trunk supporting part which are hinged with each other;
the foot fixer is connected to the tail end of the lower trunk supporting part of the fixed table body (21) through the substrate (1), a blind hole is formed in the lower trunk supporting part of the fixed table body (21), and a second sliding rail (22) parallel to the first sliding rail (18) is arranged in the blind hole;
the operation leg fixator comprises a bottom plate (23), an adjusting plate (24) and a leg supporting block (25), wherein the bottom plate (23) is arranged on a second slide rail (22) in a sliding mode, a third slide rail (26) which is perpendicular to the second slide rail (22) is arranged on the bottom plate (23), the adjusting plate (24) is arranged on the third slide rail (26) in a sliding mode, and the leg supporting block (25) is fixedly arranged on the upper end face of the adjusting plate (24);
a strip-shaped through hole is formed in one side, located on the first sliding rail (18), of the blind hole of the fixed table body (21), a rack (27) is arranged at the lower end of the bottom plate (23) along the length direction of the bottom plate, and the rack (27) penetrates through the strip-shaped through hole;
the utility model discloses a bearing, including base plate (1), through-hole, the inner ring of bearing and inner circle fixed connection are arranged in to the end of first pivot (5), the sleeve pipe is connected with first returning face plate (2) in the lateral wall of base plate (1), the rotatable bearing that is provided with in the through-hole, the end of first pivot (5) is arranged in the inner circle of bearing and is connected with inner circle fixed connection, the inner of bearing outer lane is connected with first returning face plate (2) through the sleeve pipe, the sleeve pipe overlaps and establishes in first pivot (5) outside, the outer end fixedly connected with of bearing outer lane and first pivot (5) coaxial shaft coupling pole (28), the one end of shaft coupling pole (28) and the outer lane fixed connection of bearing, the other pot head of shaft coupling pole (28) is equipped.
10. A gantry for radiotherapy of tumours of the lower extremities of claim 9, wherein: the gear (29) is in transmission connection with the rack (27) through a gear box (30), and the input end and the output end of the gear box (30) are meshed with the gear (29) and the rack (27) respectively.
11. A gantry for radiotherapy of tumours of the lower extremities of claim 9, wherein: leg accommodating grooves (31) are formed in the upper end face of the leg supporting block (25), flexible liners are laid at the bottoms of the leg accommodating grooves (31), and leg fixing bands (32) are arranged on two sides of each leg accommodating groove (31).
12. A gantry for radiotherapy of tumours of the lower extremities of claim 9, wherein: one side of the adjusting plate (24) is provided with a locking block (33), the lower end face of the locking block (33) is flush with the lower end face of the leg supporting block (25), a threaded through hole penetrating through the locking block (33) from top to bottom is formed in the locking block (33), a locking screw (34) is screwed in the threaded through hole, and the length of the locking screw (34) is larger than the depth of the threaded through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291724.1A CN111494811B (en) | 2020-04-14 | 2020-04-14 | Leg and foot fixator for lower limb tumor radiotherapy and radiotherapy fixing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291724.1A CN111494811B (en) | 2020-04-14 | 2020-04-14 | Leg and foot fixator for lower limb tumor radiotherapy and radiotherapy fixing table |
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| Publication Number | Publication Date |
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| CN111494811A true CN111494811A (en) | 2020-08-07 |
| CN111494811B CN111494811B (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010291724.1A Active CN111494811B (en) | 2020-04-14 | 2020-04-14 | Leg and foot fixator for lower limb tumor radiotherapy and radiotherapy fixing table |
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Cited By (1)
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| CN111494811B (en) | 2021-10-26 |
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