CN111870824A - Short-range radiotherapy positioning frame for perineum part - Google Patents
Short-range radiotherapy positioning frame for perineum part Download PDFInfo
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- CN111870824A CN111870824A CN202010728527.1A CN202010728527A CN111870824A CN 111870824 A CN111870824 A CN 111870824A CN 202010728527 A CN202010728527 A CN 202010728527A CN 111870824 A CN111870824 A CN 111870824A
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
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Abstract
The invention relates to a perineum part short-range radiotherapy positioning frame which comprises a body plate and a source applicator fixing frame, wherein a left leg bottom plate and a left expansion plate are arranged on the left side of the body plate, the left expansion plate slides along the left leg bottom plate, a right leg bottom plate and a right expansion plate are arranged on the right side of the body plate, the right expansion plate slides along the right leg bottom plate, the left leg bottom plate and the right leg bottom plate are respectively hinged with the body plate, and two sides of the source applicator fixing frame are respectively connected with the left expansion plate and the right expansion plate. The invention has the beneficial effects that: the articulated structure of the body plate and the left and right leg plates can be conveniently close to the operation of the perineum part, the source applicator fixing frame is installed in a movable mode, the source applicator fixing frame can fix the source applicator after the source applicator is placed in, the influence of the source applicator fixing frame on the placing operation is avoided, the source applicator fixing frame can move and adjust the position on the leg plates on the two sides, and the source applicator fixing frame is fixedly connected with the body plate and the leg plates on the two sides into a whole, so that the individualized fixing effect of different types of source applicators can be obviously improved.
Description
Technical Field
The invention belongs to radiotherapy equipment, and particularly relates to a positioning frame for short-range radiotherapy of a perineum part.
Background
The perineum brachytherapy is an indispensable part of gynecological malignant tumor radical radiotherapy, and is also suitable for male prostate cancer interventional radiotherapy. Three-dimensional accurate brachytherapy is a future development trend, more and more hospitals adopt three-dimensional brachytherapy equipment in China, but the number of matched peripheral products is small. Through the research on the variation of cervical cancer three-dimensional brachytherapy in different times, the fixation of the applicator is found to be closely related to the variation of the applicator, so that the accuracy of radiotherapy irradiation and the receiving capacity of adjacent normal organs such as bladder rectum and the like are influenced. In the operation is put into to the source applicator, the doctor need operate in the position that is close the perineum, and the fixed locating rack of present brachytherapy mostly is integrated with the transport bed, and fixed locating rack is unmovable, influences the operation that the doctor put into the source applicator, puts into the operation and also does not benefit to observation and operation on transporting the bed. The corresponding method adopted at present is that the operation of putting in the applicator is firstly carried out on the gynecological examination bed, then the patient is moved to the transfer bed board and is fixed through the fixing and positioning frame, and the risks of displacement, rotation and the like of the applicator are easily generated in the process of moving the patient. In addition, the transfer bed adopts the whole medical CT to position the carbon fiber plate, so that the manufacturing cost is high, and the popularization and development of the radiotherapy precise technology are not facilitated.
Disclosure of Invention
The invention aims to provide a technical scheme of a positioning frame for short-range radiotherapy of perineum parts. The implementation convenience of the implantation operation of the applicator and the fixation effect of the applicator are improved.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a perineum position brachytherapy locating rack, includes body board (10) and executes source ware mount (20), the left side of body board is equipped with left leg bottom plate (31) and left expansion plate (32), left side expansion plate is followed left side leg bottom plate slides, the right side of body board is equipped with right leg bottom plate (41) and right expansion plate (42), right side expansion plate is followed right side leg bottom plate slides, left side leg bottom plate and right leg bottom plate respectively with the body board is articulated, the both sides of executing source ware mount respectively with left side expansion plate and right expansion plate are connected.
Furthermore, in order to avoid waste of valuable materials and convenient assembly, the body plate is a medical CT positioning carbon fiber plate which does not exceed the waist of a human body, a left leg plate groove (11) and a left leg plate mounting hole (12) are formed in the left side of the body plate, a left mounting groove (33) is formed in the left leg bottom plate, a left leg plate mounting shaft (34) is formed in the bottom surface of the left mounting groove, and the left leg bottom plate is mounted below the left leg plate groove of the body plate through the left leg plate mounting shaft; the right side of body board is equipped with right leg board groove (13) and right leg board mounting hole (14), right side leg bottom plate is equipped with right mounting groove (43), the bottom surface of right side mounting groove is equipped with right leg board installation axle (44), right side leg bottom plate passes through right leg board installation axle is installed the below in the right leg board groove of body board.
Furthermore, a better telescopic plate structure is that the left telescopic plate is provided with a left telescopic plate sliding groove (35), the left telescopic plate sliding groove is nested on the left leg bottom plate to slide, the upper ends of two side edges of the left leg bottom plate are provided with convex left leg plate guide rails (36), the inner side edge of the left telescopic plate sliding groove is provided with a left telescopic plate guide groove (37) in sliding fit with the left leg plate guide rails (36 a), the outer side edge of the left telescopic plate is provided with a set screw (38), and the set screw is used for jacking the outer side edge of the left leg bottom plate and clamping the left leg plate guide rails (36 b) on the outer side edge of the left leg bottom plate; the right expansion plate is provided with a right expansion plate sliding groove (45), the right expansion plate sliding groove is nested in the right leg bottom plate to slide, the upper ends of two side edges of the right leg bottom plate are provided with convex right leg plate guide rails, the inner side edge of the right expansion plate sliding groove is provided with a right expansion plate guide groove in sliding fit with the right leg plate slide rail, the outer side edge of the right expansion plate is provided with a set screw, and the set screw is jacked and clamped on the outer side edge of the right leg bottom plate.
Furthermore, in order to conveniently install and adjust the applicator fixing frame, two sides of the applicator fixing frame are respectively provided with a connecting slide rail (21), the inner side of the left expansion plate is provided with a left fixing frame slide groove (39) corresponding to the connecting slide rail, the inner side of the right expansion plate is provided with a right fixing frame slide groove (49) corresponding to the connecting slide rail, and the connecting slide rails of the applicator fixing frame are respectively embedded into the left fixing frame slide groove and the right fixing frame slide groove and move along the left fixing frame slide groove and the right fixing frame slide groove.
Furthermore, in order to facilitate the fixation of the applicator fixing frame, the left fixing frame sliding groove and the right fixing frame sliding groove are T-shaped grooves, the applicator fixing frame is provided with a fixing arm (22), the fixing arm is provided with a bolt groove (23) with an open end, T-shaped bolts (24) are arranged in the left fixing frame sliding groove and the right fixing frame sliding groove, and the T-shaped bolts penetrate through the bolt groove of the fixing arm and fixedly connect the applicator fixing frame with the left expansion plate and the right expansion plate.
Furthermore, in order to connect the left expansion plate and the right expansion plate which are rotationally unfolded with the applicator fixing frame, the applicator fixing frame is provided with a first adjusting plate (25), a second adjusting plate (26) and an applicator column (27), the two ends of the first adjusting plate and the second adjusting plate are respectively connected with the left expansion plate and the right expansion plate, the first adjusting plate is provided with an adjusting long hole (28), the second adjusting plate is provided with an adjusting fixing screw hole (29), the lower end of the applicator column is provided with a locking stud (2 a) and a step surface (2 b) which correspond to the adjusting fixing screw hole, and the step surface is fixed through the locking stud.
Furthermore, in order to improve the convenience of the operation of adjusting the applicator mount, the second adjusting plate is provided with a screw hole column head (2 c) in which the adjusting fixing screw hole is provided, the screw hole column head is embedded in the adjusting long hole of the first adjusting plate and slides in the adjusting long hole, and the height (H) of the screw hole column head is smaller than the thickness (S) of the second adjusting plate at the adjusting long hole.
Furthermore, in order to support the bending of the leg, a left thigh support plate (51), a left crus support plate (52) and a left foot plate (53) are arranged on the left leg base plate and the left telescopic plate, the left thigh support plate is rotatably connected with the left leg base plate at the root part of the left leg base plate, the left thigh support plate is hinged with the left crus support plate, the left crus support plate is rotatably connected with the left telescopic plate, and the left crus support plate is hinged with the left foot plate; the right leg base plate and the right telescopic plate are provided with a right thigh support plate (61), a right crus support plate (62) and a right foot plate (63), the right thigh support plate is arranged at the root of the right leg base plate and is rotatably connected with the right leg base plate, the right thigh support plate is hinged with the right crus support plate, the right crus support plate is rotatably connected with the right telescopic plate, and the right crus support plate is hinged with the right foot plate.
Furthermore, the left thigh support plate is hinged with the left leg bottom plate through a pin shaft (54), and the left shank support plate is hinged with the left expansion plate; the right thigh support plate is hinged with the right leg base plate through a pin shaft (64), and the right shank support plate is rotatably connected with the right expansion plate.
Furthermore, the disassembly and the assembly are convenient, a left leg plate supporting baffle groove (3 a) is formed in the root of the left leg bottom plate, the end of the left thigh support plate is pressed against the left leg plate supporting baffle groove, a left supporting wedge groove (3 b) is formed in the middle of the left leg plate supporting baffle groove, a left thigh support plate wedge block (55) embedded in the left supporting wedge groove is formed in the end of the left thigh support plate, a left telescopic plate supporting baffle groove (3 f) is formed in the left telescopic plate, the end of the left shank support plate is pressed against the left telescopic plate supporting baffle groove, a left telescopic supporting wedge groove (3 g) is formed in the middle of the left telescopic plate supporting baffle groove, and a left shank support plate (59) embedded in the left telescopic supporting wedge groove is formed in the end of the left shank support plate; the root of the right leg bottom plate is provided with a right leg plate supporting baffle groove (4 a), the end of the right thigh support plate is pressed on the right leg plate supporting baffle groove, the middle part of the right leg plate supporting baffle groove is provided with a right supporting wedge groove (4 b), and the end of the right thigh support plate is provided with a right thigh support plate wedge block (65) embedded into the right supporting wedge groove; the right telescopic plate is provided with a right telescopic plate supporting baffle groove (4 f), the end of the right shank support plate is pressed on the right telescopic plate supporting baffle groove, the middle part of the right telescopic plate supporting baffle groove is provided with a right telescopic support wedge groove, and the end of the right shank support plate is provided with a right shank support plate wedge block embedded in the right telescopic support wedge groove.
The invention has the beneficial effects that: the articulated structure of the body plate and the left and right leg plates is adopted, the operation of approaching the perineum part can be facilitated, the source applicator fixing frame is movably installed, the source applicator fixing frame can fix the source applicator after the source applicator is placed in, the influence of the source applicator fixing frame on the placing operation is avoided, the source applicator fixing frame can move on the leg plates at two sides to adjust the position, and is fixedly connected with the body plate and the leg plates at two sides into a whole, the individualized fixing effect on different types of source applicators can be obviously improved, and the device is compatible with various simulation positioning machine tools, CT beds, flatcars, nursing beds and diagnostic beds; the fixing angle of the leg plates at two sides can be adjusted by adopting the applicator fixing frame with two adjusting plates, so that the stability of the body position of a patient can be improved. Only the body plate adopts the medical CT positioning carbon fiber plate, thereby saving the consumption of valuable materials and reducing the manufacturing cost.
The invention is described in detail below with reference to the figures and examples.
Drawings
FIG. 1 is a block diagram of the present invention with the knee brace in a flat position;
FIG. 2 is a view taken in the direction B of FIG. 1, as viewed from the bottom;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 1, showing a cross-sectional view of the left leg base plate and the left expansion plate, and a view showing a coupling structure of the left expansion plate and the applicator mount;
FIG. 5 is an exploded view of the left leg base and left expansion plate of the present invention;
FIG. 6 is a structural view of the detachable knee bending support frame of the present invention;
FIG. 7 is a schematic view of the detachable knee bending support structure of the present invention;
FIG. 8 is a structural diagram of the applicator mount of the present invention employing adjustable amount and angle of extension;
FIG. 9 is an exploded view of the structure shown in FIG. 8;
fig. 10 is a partial cross-sectional view of C-C of fig. 8.
Detailed Description
The first embodiment is as follows:
referring to fig. 1 to 5, a positioning frame for short-range radiotherapy of perineum part comprises a body plate (10) and an applicator fixing frame (20).
In order to avoid influencing CT images in the treatment process, the body plate (10) is made of medical CT positioning carbon fiber plates. In order to reduce the usage amount of the medical CT positioning carbon fiber plate with high price, the size of the body positioning plate is not more than the waist of a human body, and the size is from the waist to the root of thighs of the human body. In order to relieve the discomfort of the waist of the patient caused by the body plate, a wave-shaped surface (15) is arranged at one side of the body plate corresponding to the waist of the human body. The left side of body board is equipped with left leg board groove (11), and left leg board groove indent lower terminal surface of body board is equipped with left leg board mounting hole (12) at the grooved surface in left leg board groove. As a symmetrical structure, a right leg plate groove (13) is arranged on the right side of the body plate, the right leg plate groove is recessed in the lower end face of the body plate, and a right leg plate mounting hole (14) is formed in the groove face of the right leg plate groove.
The left side of the body plate is provided with a left leg bottom plate (31) and a left expansion plate (32). The left leg bottom plate is provided with a left mounting groove (33), the left mounting groove is recessed into the upper end face of the left leg bottom plate, the bottom surface of the left mounting groove is provided with a left leg plate mounting shaft (34), the upper ends of two side edges of the left leg bottom plate are provided with convex left leg plate guide rails (36), and in the embodiment, the left leg plate guide rails are rectangular guide rails; the root of the left leg bottom plate (i.e. the end near the left leg plate mounting shaft 34) is provided with a support plate connecting hole (3 c).
The left expansion plate is provided with a left expansion plate sliding groove (35), the left expansion plate sliding groove is nested on the left leg bottom plate to slide, the inner side edge (close to one side of the applicator fixing frame) of the left expansion plate sliding groove is provided with a left expansion plate guide groove (37), the left expansion plate guide groove (37) is in sliding fit with a left leg plate guide rail (as shown in figure 4, close to the left leg plate guide rail 36 a) on one side of the applicator fixing frame), the outer side edge of the left expansion plate is provided with four set screws (38), and the set screws are used for jacking the outer side edge of the left leg bottom plate and clamping the left leg plate guide rail (as shown in figure 4 and 36 b) on the outer side edge of the left leg bottom plate so as to fixedly connect the left expansion plate and the left. The inner side of the left expansion plate is provided with a left fixing frame sliding groove (39), and the left fixing frame sliding groove is a T-shaped groove. The extending end of the left expansion plate is provided with a foot plate mounting shaft hole (3 d) and a foot plate fixing arc-shaped groove (3 e).
As a symmetrical structure, a right leg bottom plate (41) and a right expansion plate (42) are arranged on the right side of the body position plate. The right leg bottom plate is provided with a right mounting groove (43), the right mounting groove is recessed into the upper end face of the right leg bottom plate, the bottom surface of the right mounting groove is provided with a right leg plate mounting shaft (44), the upper ends of the two side edges of the right leg bottom plate are provided with convex right leg plate guide rails (not marked in the figure), and the root of the right leg bottom plate (namely, the end close to the right leg plate mounting shaft 44) is provided with a support plate connecting hole.
The right expansion plate is provided with a right expansion plate sliding groove (45), the right expansion plate sliding groove is nested in the right leg bottom plate to slide, the inner side of the right expansion plate sliding groove is provided with a right expansion plate guide groove (not marked in the figure) in sliding fit with the right leg plate sliding rail, the outer side of the right expansion plate is provided with four set screws, and the set screws are used for jacking the outer side of the right leg bottom plate to be along and clamped with the right leg plate guide rail on the outer side edge of the right leg bottom plate so as to fixedly connect the right expansion plate with the right leg bottom plate. The inner side of the right expansion plate is provided with a right fixing frame sliding groove (49), and the right fixing frame sliding groove is a T-shaped groove. The extending end of the right expansion plate is provided with a foot plate mounting shaft hole and a foot plate fixing arc-shaped groove.
The left leg plate mounting shaft (34) is rotationally matched with a left leg plate mounting hole (12) of the body plate, and the left leg bottom plate is mounted below a left leg plate groove (11) of the body plate. The right leg plate mounting shaft (44) is in running fit with a right leg plate mounting hole (14) of the body plate, and the right leg bottom plate is mounted below a right leg plate groove (13) of the body plate. The left leg bottom plate and the right leg bottom plate can be adjusted in a rotating mode on two sides of the body plate to adapt to the position of the two legs of a patient in an opening mode. The left expansion plate slides along the left leg bottom plate, and the right expansion plate slides along the right leg bottom plate, so that the leg stretching position of a patient can be adapted. The mounting structure of the left leg bottom plate and the right leg bottom plate can be conveniently mounted and dismounted.
The two sides of the applicator fixing frame are respectively provided with a connecting slide rail (21), the connecting slide rail at one side corresponds to the left fixing frame slide groove (39), and the connecting slide rail at the other side corresponds to the right fixing frame slide groove (49). The connecting slide rails (21) at two sides of the applicator fixing frame are respectively embedded into the left fixing frame sliding groove (39) and the right fixing frame sliding groove (49), and the applicator is fixed to move along the left fixing frame sliding groove and the right fixing frame sliding groove. Fixed arms (22) are respectively arranged at four corners of the applicator fixing frame, the fixed arms are provided with bolt grooves (23) with open ends, T-shaped bolts (24) are arranged in the left fixing frame sliding groove (39) and the right fixing frame sliding groove (49), and the T-shaped bolts penetrate through the bolt grooves (23) of the fixed arms to fixedly connect the applicator fixing frame with the left expansion plate and the right expansion plate. In this embodiment, when the applicator fixing frame is connected to the left expansion plate and the right expansion plate, the left fixing frame sliding groove (39) and the right fixing frame sliding groove (49) are parallel to each other, that is, the left expansion plate and the right expansion plate are parallel to each other. As shown in figure 2, the body position plate (10), the left leg bottom plate (31), the left expansion plate (32), the right leg bottom plate (41), the right expansion plate (42) and the bottom surface of the applicator fixing frame (20) are flush to form a plane so as to be placed on the bed surface of the simulated positioning machine tool lamp device.
In order to support the bending state of the two legs of a patient and enable the body of the patient to feel more comfortable, knee bending support frames are arranged on the left side and the right side, and the knee bending support frames are structurally characterized in that a left thigh support plate (51), a left shank support plate (52) and a left foot plate (53) are arranged on a left leg bottom plate and a left telescopic plate, the left thigh support plate is rotatably connected with the left leg bottom plate at the root of the left leg bottom plate, in the embodiment, a connecting hole (56) is formed in one end of the left thigh support plate, and the left thigh support plate is hinged with a support plate connecting hole (3 c). The other end of the left thigh support plate is hinged with a left shank support plate (52), the left shank support plate and a left foot plate are hinged with a foot plate mounting shaft hole (3 d) of the left expansion plate through a pin shaft (57), the left foot plate (53) can rotate to adjust the angle, and the corner position of the left foot plate is fixed through a foot plate set screw 58 and a foot plate fixing arc-shaped groove (3 e). Also as a symmetrical structure, a right thigh support plate (61), a right crus support plate (62) and a right foot plate (63) are arranged on the right leg base plate and the right telescopic plate, one end of the right thigh support plate is hinged with the right leg base plate through a pin shaft (64) at the root of the right leg base plate, the other end of the right thigh support plate is hinged with the right crus support plate (62), and the right crus support plate and the right left foot plate are hinged with the right telescopic plate.
The double-bending supporting structure forms a triangular supporting frame, and the bending and supporting height of the knee joint can be adjusted along with the movement of the left telescopic plate or the right telescopic plate.
When the perineum part brachytherapy positioning frame is used, the perineum part brachytherapy positioning frame is placed on a simulation positioning machine tool, a CT (computed tomography) bed, a flat carriage, a nursing bed or a diagnosis bed, a body plate is close to a bed edge, a left leg bottom plate (and a left expansion plate) and a right leg bottom plate (and a right expansion plate) properly extend out of the bed edge and properly rotate and expand towards two sides, a knee bending supporting frame is adjusted, two legs of a patient are properly bent, a doctor can operate at the perineum part close to the patient, and a radiotherapy applicator is placed in. After the radiotherapy applicator is placed, the knee bending support frame is laid flat to a proper position (for example, the state shown in fig. 1). And then the left leg bottom plate and the right leg bottom plate are inwards folded to the position connected with the source applicator fixing frame and connected with the source applicator fixing frame, the source applicator fixing frame can be adjusted to a proper position along the left expansion plate and the right expansion plate in a back-and-forth movement mode, and then the source applicator fixing frame is fixed to be connected with the left expansion plate and the right expansion plate. And finally, integrally moving the positioning frame for the brachytherapy of the perineum part and the patient to the required treatment and detection position.
Example two:
referring to fig. 6 and 7, a positioning frame for perineum brachytherapy. This embodiment is an improvement of the first embodiment.
The embodiment improves the mounting structure of the knee bending support frame.
The root of the left leg bottom plate is provided with a left leg plate supporting baffle groove (3 a), and the left leg plate supporting baffle groove is an arc-shaped groove. The end (58) of the left thigh support plate is an arc end corresponding to the left leg plate supporting baffle groove (3 a), the end (58) of the left thigh support plate is pressed against the left leg plate supporting baffle groove (3 a), the left leg plate supporting baffle groove (3 a) supports the left thigh support plate, and the end (58) of the left thigh support plate can rotate on the left leg plate supporting baffle groove (3 a), so that the function of rotary connection is realized. In order to prevent the left thigh support plate from falling out of the left leg plate supporting baffle groove (3 a) from the side edge, a left supporting wedge groove (3 b) is arranged in the middle of the left leg plate supporting baffle groove of the left leg base plate, and a left thigh support plate wedge block (55) embedded into the left supporting wedge groove (3 b) is arranged at the end of the left thigh support plate.
The left expansion plate is provided with a left expansion plate supporting baffle groove (3 f), and the left expansion plate supporting baffle groove is an arc-shaped groove. The end of the left shank support plate is an arc-shaped end corresponding to the left expansion plate support baffle groove (3 f), the end of the left shank support plate is pressed on the left expansion plate support baffle groove, the left expansion plate support baffle groove supports the left shank support plate, and the end of the left shank support plate can rotate on the left expansion plate support baffle groove, so that the function of rotary connection is realized. In order to prevent the left crus support plate from falling out of the left expansion plate support baffle groove (3 f) from the side edge, the middle part of the left expansion plate support baffle groove is provided with a left expansion support wedge groove (3 g), and the end of the left crus support plate is provided with a left crus support plate wedge block (59) embedded into the left expansion support wedge groove. In addition, in order to support and adjust the left foot plate, a foot plate supporting column (5 a) is arranged on the left lower leg supporting plate wedge block, a foot plate adjusting bolt (5 b) is arranged on the foot plate supporting column, the foot plate adjusting bolt abuts against the sitting foot plate from the lower side, the screwing-out length of the foot plate adjusting bolt from the foot plate supporting column is adjusted, and the lifting angle of the left foot plate can be adjusted.
Similarly, as a symmetrical structure, the root of the right leg bottom plate is provided with a right leg plate supporting baffle groove (4 a), the end of the right thigh support plate is pressed on the right leg plate supporting baffle groove (4 a), the right leg bottom plate is provided with a right supporting wedge groove (4 b) in the middle of the right leg plate supporting baffle groove, and the end of the right thigh support plate is provided with a right thigh support plate wedge block (65) embedded into the right supporting wedge groove (4 b). The right expansion plate is provided with a right expansion plate supporting baffle groove (4 f), the end of the right crus support plate is pressed on the right expansion plate supporting baffle groove, the middle part of the right expansion plate supporting baffle groove is provided with a right expansion support wedge groove, and the end of the right crus support plate is provided with a right crus support plate wedge block 69 embedded into the right expansion support wedge groove. And a foot plate supporting column and a foot plate adjusting bolt for supporting and adjusting the right foot plate are also arranged on the right shank support plate wedge block.
In this embodiment, the knee bending support frame can be used as an accessory, and can be conveniently detached and installed. As shown in fig. 7, the left thigh support plate and the left shank support plate are rotated towards the folding direction, the left thigh support plate and the left shank support plate are lifted upwards, and the left thigh support plate, the left shank support plate and the left foot plate can be taken out. And the left thigh supporting plate, the left calf supporting plate and the left foot plate can be folded and collected, so that the storage and the transportation are convenient. In the same way, the right thigh supporting plate, the right shank supporting plate and the right foot plate can be taken out.
Example three:
referring to fig. 8, 9 and 10, a positioning frame for perineum brachytherapy is provided. This embodiment is an improvement of the first embodiment.
The embodiment improves the fixing frame of the applicator, and adopts a structure capable of adjusting the telescopic quantity and the angle. In this embodiment, the applicator mount is provided with a first adjustment plate (25), a second adjustment plate (26), and an applicator post (27). The two ends of the first adjusting plate and the second adjusting plate are respectively provided with a connecting slide rail (21), a fixing arm (22) and a bolt groove (23) which are the same as those of the first embodiment, and the first adjusting plate and the second adjusting plate are respectively connected with the left telescopic plate and the right telescopic plate. The first adjusting plate and the second adjusting plate are relative structural concepts, and in the structure shown in fig. 8 and 9, the first adjusting plate (25) is connected with the left expansion plate (32), and the second adjusting plate (26) is connected with the right expansion plate (42). Similarly, the first adjusting plate (25) may be connected to the right expansion plate (42), and the second adjusting plate (26) may be connected to the left expansion plate (32).
The first adjusting plate is provided with an adjusting long hole (28), the second adjusting plate is provided with a screw hole column head (2 c), and an adjusting fixing screw hole (29) is arranged in the screw hole column head. The screw hole column cap (2 c) is embedded into the adjusting long hole (28) of the first adjusting plate and slides in the adjusting long hole. In order not to hinder the fixed connection of the first and second adjusting plates, the height (H) of the screw hole stud (2 c) is smaller than the thickness (S) of the second adjusting plate at the adjusting long hole. The lower end of the applicator column (27) is provided with a locking stud (2 a) corresponding to the adjusting fixing screw hole (29) and a step surface (2 b), and the diameter of the step surface is larger than that of the adjusting long hole (28).
According to the structure of the embodiment, the opening size and the relative angle of the connecting slide rails of the first adjusting plate and the second adjusting plate can be adjusted through the adjusting long holes (28), and the first adjusting plate and the second adjusting plate are fixed on the step surface (2 b) of the applicator column (27) through the locking studs (2 a).
When the applicator fixing frame is installed, the connecting slide rails of the first adjusting plate and the second adjusting plate are respectively butted with the left fixing frame slide groove (39) and the right fixing frame slide groove (49) and are fixed through the T-shaped bolts (24). In the process, the applicator post (27) can be detached, and the screw hole post head (2 c) slides in the adjusting long hole (28) of the first adjusting plate to guide the relative position of the first adjusting plate and the second adjusting plate. After the first adjusting plate and the second adjusting plate are in place, the first adjusting plate and the second adjusting plate are fixed through the applicator column (27), and the convenience of operation can be obviously improved.
In the first embodiment, when the applicator fixing frame is connected to the left expansion plate and the right expansion plate, the left expansion plate and the right expansion plate need to be in a parallel state. The applicator fixing frame of the embodiment adopts an adjustable structure, can adapt to the rotation and expansion of a left expansion plate (together with a left leg bottom plate) and a right expansion plate (together with a right leg bottom plate) for a certain angle, can better meet the requirements of patients, and improves the positioning and fixing effects of the applicator.
Claims (10)
1. The utility model provides a perineum position brachytherapy locating rack, its characterized in that, includes body board (10) and executes source ware mount (20), the left side of body board is equipped with left leg bottom plate (31) and left expansion plate (32), left side expansion plate is followed left leg bottom plate slides, the right side of body board is equipped with right leg bottom plate (41) and right expansion plate (42), right side expansion plate is followed right leg bottom plate slides, left side leg bottom plate and right leg bottom plate respectively with the body board is articulated, the both sides of executing source ware mount respectively with left side expansion plate and right expansion plate are connected.
2. The perineum brachytherapy positioning frame of claim 1, wherein the body plate is a medical CT positioning carbon fiber plate not exceeding the waist of the human body, the left side of the body plate is provided with a left leg plate groove (11) and a left leg plate mounting hole (12), the left leg base plate is provided with a left mounting groove (33), the bottom surface of the left mounting groove is provided with a left leg plate mounting shaft (34), and the left leg base plate is mounted below the left leg plate groove of the body plate through the left leg plate mounting shaft; the right side of body board is equipped with right leg board groove (13) and right leg board mounting hole (14), right side leg bottom plate is equipped with right mounting groove (43), the bottom surface of right side mounting groove is equipped with right leg board installation axle (44), right side leg bottom plate passes through right leg board installation axle is installed the below in the right leg board groove of body board.
3. The perineum brachytherapy positioning frame of claim 1, wherein the left expansion plate is provided with a left expansion plate sliding groove (35) which is nested on the left leg bottom plate to slide, the upper ends of two side edges of the left leg bottom plate are provided with convex left leg plate guide rails (36), the inner side edge of the left expansion plate sliding groove is provided with a left expansion plate guide groove (37) which is in sliding fit with the left leg plate guide rails (36 a), the outer side edge of the left expansion plate is provided with a set screw (38), and the set screw presses against the outer side edge of the left leg bottom plate and clamps the left leg plate guide rails (36 b) on the outer side edge of the left leg bottom plate; the right expansion plate is provided with a right expansion plate sliding groove (45), the right expansion plate sliding groove is nested in the right leg bottom plate to slide, the upper ends of two side edges of the right leg bottom plate are provided with convex right leg plate guide rails, the inner side edge of the right expansion plate sliding groove is provided with a right expansion plate guide groove in sliding fit with the right leg plate slide rail, the outer side edge of the right expansion plate is provided with a set screw, and the set screw is jacked and clamped on the outer side edge of the right leg bottom plate.
4. The perineum brachytherapy positioning frame of claim 1, wherein two sides of the applicator fixing frame are respectively provided with a connecting slide rail (21), the inner side of the left expansion plate is provided with a left fixing frame slide groove (39) corresponding to the connecting slide rail, the inner side of the right expansion plate is provided with a right fixing frame slide groove (49) corresponding to the connecting slide rail, and the connecting slide rails of the applicator fixing frame are respectively embedded into the left fixing frame slide groove and the right fixing frame slide groove and move along the left fixing frame slide groove and the right fixing frame slide groove.
5. The perineum brachytherapy positioning frame of claim 4, wherein the left and right frame sliding grooves are T-shaped grooves, the applicator fixing frame is provided with a fixing arm (22) provided with a bolt groove (23) with an open end, T-shaped bolts (24) are arranged in the left and right frame sliding grooves, and the T-shaped bolts penetrate through the bolt groove of the fixing arm to fixedly connect the applicator fixing frame with the left and right expansion plates.
6. The perineum part brachytherapy positioning frame of claim 1, wherein the applicator fixing frame is provided with a first adjusting plate (25), a second adjusting plate (26) and an applicator column (27), two ends of the first adjusting plate and the second adjusting plate are respectively connected with the left expansion plate and the right expansion plate, the first adjusting plate is provided with an adjusting long hole (28), the second adjusting plate is provided with an adjusting fixing screw hole (29), the lower end of the applicator column is provided with a locking stud (2 a) and a step surface (2 b) corresponding to the adjusting fixing screw hole, and the step surface fixes the first adjusting plate and the second adjusting plate through the locking stud.
7. A perineum brachytherapy positioning frame according to claim 6, wherein the second adjustment plate is provided with a screw hole stud (2 c) in which the adjustment fixing screw hole is provided, the screw hole stud is embedded in and slides within the adjustment long hole of the first adjustment plate, and the height (H) of the screw hole stud is smaller than the thickness (S) of the second adjustment plate at the adjustment long hole.
8. The perineum brachytherapy positioning frame of claim 1, wherein the left leg base plate and the left extension plate are provided with a left thigh support plate (51), a left shank support plate (52) and a left foot plate (53), the left thigh support plate is rotatably connected with the left leg base plate at the root of the left leg base plate, the left thigh support plate is hinged with the left shank support plate, the left shank support plate is rotatably connected with the left extension plate, and the left shank support plate is hinged with the left foot plate; the right leg base plate and the right telescopic plate are provided with a right thigh support plate (61), a right crus support plate (62) and a right foot plate (63), the right thigh support plate is arranged at the root of the right leg base plate and is rotatably connected with the right leg base plate, the right thigh support plate is hinged with the right crus support plate, the right crus support plate is rotatably connected with the right telescopic plate, and the right crus support plate is hinged with the right foot plate.
9. The perineum brachytherapy positioning frame of claim 8, wherein the left thigh plate is hinged to the left leg base plate through a pin (54), and the left calf plate is hinged to the left expansion plate; the right thigh support plate is hinged with the right leg base plate through a pin shaft (64), and the right shank support plate is rotatably connected with the right expansion plate.
10. The perineal brachytherapy positioning frame of claim 8, wherein the positioning frame is a frame for positioning the perineal brachytherapy,
a left leg plate supporting baffle groove (3 a) is formed in the root of the left leg bottom plate, the end of the left thigh support plate is pressed on the left leg plate supporting baffle groove, a left supporting wedge groove (3 b) is formed in the middle of the left leg plate supporting baffle groove, a left thigh support plate wedge block (55) embedded in the left supporting wedge groove is formed in the end of the left thigh support plate, a left expansion plate supporting baffle groove (3 f) is formed in the left expansion plate, the end of the left shank support plate is pressed on the left expansion plate supporting baffle groove, a left expansion supporting wedge groove (3 g) is formed in the middle of the left expansion plate supporting baffle groove, and a left shank support plate wedge block (59) embedded in the left expansion supporting wedge groove is formed in the end of the left shank support plate;
the root of the right leg bottom plate is provided with a right leg plate supporting baffle groove (4 a), the end of the right thigh support plate is pressed on the right leg plate supporting baffle groove, the middle part of the right leg plate supporting baffle groove is provided with a right supporting wedge groove (4 b), and the end of the right thigh support plate is provided with a right thigh support plate wedge block (65) embedded into the right supporting wedge groove; the right telescopic plate is provided with a right telescopic plate supporting baffle groove (4 f), the end of the right shank support plate is pressed on the right telescopic plate supporting baffle groove, the middle part of the right telescopic plate supporting baffle groove is provided with a right telescopic support wedge groove, and the end of the right shank support plate is provided with a right shank support plate wedge block embedded in the right telescopic support wedge groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728527.1A CN111870824A (en) | 2020-07-27 | 2020-07-27 | Short-range radiotherapy positioning frame for perineum part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010728527.1A CN111870824A (en) | 2020-07-27 | 2020-07-27 | Short-range radiotherapy positioning frame for perineum part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111870824A true CN111870824A (en) | 2020-11-03 |
Family
ID=73200597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010728527.1A Pending CN111870824A (en) | 2020-07-27 | 2020-07-27 | Short-range radiotherapy positioning frame for perineum part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111870824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171561A (en) * | 2021-04-30 | 2021-07-27 | 重庆大学附属肿瘤医院 | Transfer wearable applicator fixing device |
-
2020
- 2020-07-27 CN CN202010728527.1A patent/CN111870824A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171561A (en) * | 2021-04-30 | 2021-07-27 | 重庆大学附属肿瘤医院 | Transfer wearable applicator fixing device |
| CN113171561B (en) * | 2021-04-30 | 2022-06-17 | 重庆大学附属肿瘤医院 | Transfer wearable applicator fixing device |
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