CN211097104U - Combined type conformal intensity-modulated rear-loading radiotherapy vaginal mold - Google Patents
Combined type conformal intensity-modulated rear-loading radiotherapy vaginal mold Download PDFInfo
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- CN211097104U CN211097104U CN201921559310.1U CN201921559310U CN211097104U CN 211097104 U CN211097104 U CN 211097104U CN 201921559310 U CN201921559310 U CN 201921559310U CN 211097104 U CN211097104 U CN 211097104U
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Abstract
The utility model relates to a combined type conformal intensity-modulated rear-loading radiotherapy vaginal mold, which comprises a unit module, a positioning and orienting module and a mold tube, wherein the unit module and the positioning and orienting module are respectively arranged on the mold tube in a penetrating way, and the mold tube is used for passing through a source applicator; the unit module is one or more than two of a full high molecular material module, a full metal lead module, a high molecular material module with a lead block, a high molecular material module with a notch and a metal lead module with a notch, the unit module can be relatively rotatably arranged on the mould tube in a penetrating way and is fixedly positioned with the mould tube after the position of the unit module is adjusted, and the vagina mould and the applicator are respectively fixed through the positioning and orienting module. The utility model can accurately control the irradiation volume, irradiation dose and the irradiation dose of organs at risk of tumors through the arbitrary combination of all the unit modules; the utility model discloses more set up the orientation module in location, prevented the drunkenness or the rotation of vagina mould and source applicator to obtain accurate location orientation.
Description
Technical Field
The utility model relates to a medical appliance for treating vagina, in particular to a combined type conformal intensity-modulated back-loading radiotherapy vagina mold, which can be applied to radiotherapy treatment of iridium 192 on cervical cancer, vagina cancer and vagina metastatic cancer.
Background
At present, when a cancer focus appears in the vagina and intracavitary afterloading radiotherapy is taken as an optimal measure, a vaginal mold is required to be applied. Although there are many kinds of vaginal molds, the high conformal intensity modulated irradiation of vaginal lesions is not achieved, and the maximum protection of normal vaginal tissues is not achieved, so that the maximum therapeutic effect of radiotherapy is not achieved. The main reasons are summarized, the optimization capability of dose distribution is limited, and the accurate selection of the size, the direction and the form of the focus cannot be realized; is not beneficial to improving the dosage of the focus part, can not increase the protection of the normal vaginal mucosa, and can not meet the requirement of maximum individual treatment. Some vaginal molds can shield non-irradiation areas, but have limited accuracy, single shielding, limited mold length and limited dose adjustment of the non-irradiation areas. Some vaginal molds can increase the dose of tumor area, but the irradiation dose of normal tissues is also increased, so that the maximum irradiation dose of tumor is difficult to obtain. Some vaginal molds can only perform single vaginal irradiation, and cannot simultaneously take care of the uterine cavity. Still other vaginal molds can only increase the dose to one region of the vagina, and cannot increase different doses to multiple different regions simultaneously. If the vagina mold can simultaneously adjust the irradiation area and the irradiation shape accurately, the irradiation dose of the irradiation area and the non-irradiation area accurately can be adjusted, the length of the vagina mold can be adjusted, and the vagina and the uterine cavity can be compatible, so that the multifunctional vagina mold integrating the functions of integration and high individuation can be used for adjusting the position, the area, the shape, the direction and the dose of a plurality of focuses of the vagina, and the radiotherapy curative effect can be maximized.
SUMMERY OF THE UTILITY MODEL
In order to meet the use requirement of the vaginal mold, the utility model aims to provide a combined type conformal intensity-modulated back-loading radiotherapy vaginal mold.
The purpose of the utility model is realized through the following technical scheme:
the utility model comprises a unit module, a positioning and orienting module and a mould tube, wherein the unit module and the positioning and orienting module are respectively arranged on the mould tube, and the mould tube is used for passing through a source applicator; the unit module is one or more than two of a full high molecular material module, a full metal lead module, a high molecular material module with a lead block, a high molecular material module with a notch and a metal lead module with a notch, the unit module can be relatively rotatably arranged on the mould tube in a penetrating way and is fixedly positioned with the mould tube after the position of the unit module is adjusted, and the vagina mould and the applicator are respectively fixed through a positioning and orienting module;
the mould pipe is a hollow structure with openings at two ends, and the length of the mould pipe is equal to or more than the sum of the thicknesses of all the unit modules;
the positioning and orienting module is provided with a stepped through hole along the axial direction, and is respectively provided with a die tube top screw hole and a source applicator top screw hole which are communicated with the stepped through hole along the radial direction; the end part of the mould tube is accommodated in a hole with a larger diameter of the stepped through hole, the vaginal mould is fixed through a jackscrew in a jackscrew hole of the mould tube, the applicator is exposed out of the hole with the smaller diameter of the stepped through hole, and the applicator is fixed through the jackscrew in the jackscrew hole of the applicator;
the positioning and orienting module is divided into two parts, wherein the part close to the unit module is provided with the die tube jackscrew hole along the radial direction, and the other part far away from the unit module is provided with the applicator jackscrew hole along the radial direction;
the full polymer material module is a cylinder, a central hole for the die tube to pass through is formed in the axial direction, a jackscrew hole communicated with the central hole is formed in the radial direction, and a jackscrew is arranged in the jackscrew hole and used for being fixedly positioned with the die tube after the full polymer material module moves and rotates in place;
the all-metal lead module is a cylinder, is provided with a central hole for the die tube to pass through along the axial direction, and is provided with a jackscrew hole communicated with the central hole along the radial direction, and a jackscrew is arranged in the jackscrew hole and is used for being fixed and positioned with the die tube after the all-polymer material module moves and rotates in place;
the high polymer material module with the lead block comprises a high polymer material body and the lead block, wherein the high polymer material body is a cylinder, a central hole for the die tube to pass through is formed in the axial direction, a jackscrew hole communicated with the central hole is formed in the radial direction, and a jackscrew is arranged in the jackscrew hole and used for being fixedly positioned with the die tube after the high polymer material module with the lead block moves and rotates in place; the edge of the high polymer material body is provided with an arc-shaped gap, and the lead block is arranged at the gap and forms a complete cylinder with the high polymer material body;
the lead block on the high polymer material body is unidirectional or bidirectional, wherein the unidirectional lead block is formed by mounting one lead block on the high polymer material body and shielding rays in one direction; the two lead blocks are arranged on the high polymer material body in a bidirectional way, and are oppositely arranged to shield rays in two directions;
the high polymer material module with the notch is a cylinder, a central hole for the die tube to pass through is formed in the axial direction, a jackscrew hole communicated with the central hole is formed in the radial direction, and a jackscrew is arranged in the jackscrew hole and used for being fixed and positioned with the die tube after the high polymer material module with the notch moves and rotates in place; a notch is formed in the polymer material module with the notch along the axial direction, and the axial length of the notch is smaller than or equal to that of the polymer material module with the notch;
the metal lead module with the notch is a cylinder, a central hole for the die pipe to pass through is formed in the axial direction, a jackscrew hole communicated with the central hole is formed in the radial direction, and a jackscrew is arranged in the jackscrew hole and used for being fixedly positioned with the die pipe after the metal lead module with the notch moves and rotates in place; and a notch is formed in the metal lead module with the notch along the axial direction, and the axial length of the notch is smaller than or equal to that of the metal lead module with the notch.
The utility model discloses an advantage does with positive effect:
1. the utility model can accurately control the irradiation volume, irradiation dose and the irradiation dose of organs at risk of tumors through the arbitrary combination of all the unit modules; the utility model discloses more set up the orientation module in location, prevented the drunkenness or the rotation of vagina mould and source applicator to obtain accurate location orientation.
2. The utility model discloses a module combination of different specifications forms, and the applicator has different series specifications at the positive center of module, and lead fender shielding angle, thickness, length to realized adjusting strong the shining to the shape of any position of vagina, really reached treatment individuation radiotherapy.
3. The utility model discloses simple structure, use convenient operation, safe, reliable, can give the minimum 1.0 square centimeter of vagina area to any dose conformal intensity modulated irradiation of any area of whole vagina to make the radiotherapy curative effect reach the maximize.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2A is a front view of the positioning and orienting module of the present invention;
FIG. 2B is a cross-sectional view taken along line A-A of FIG. 2A;
FIG. 2C is a cross-sectional view taken along line B-B of FIG. 2A;
FIG. 3 is a top view of the structure of the all-polymer material module of the present invention;
fig. 4 is a top view of the structure of the all-metal lead module of the present invention;
fig. 5A is a top view of the structure of the polymer material module with lead block according to the present invention;
fig. 5B is a second top view of the structure of the polymer material module with lead block according to the present invention;
fig. 5C is a third top view of the structure of the polymer material module with lead block according to the present invention;
fig. 5D is a fourth of the top view of the structure of the polymer material module with lead block of the present invention;
fig. 5E is a fifth structural plan view of the polymer material module with lead block according to the present invention;
fig. 5F is a sixth structural plan view of the polymer material module with lead block according to the present invention;
fig. 5G is a seventh top view of the structure of the polymer material module with lead block according to the present invention;
fig. 5H is an eighth structural plan view of the polymer material module with lead block according to the present invention;
fig. 5I is a ninth structural plan view of the polymer material module with lead block according to the present invention;
fig. 5J is a top view of the polymer material module with lead block according to the present invention;
fig. 5K is an eleventh structural plan view of the polymer material module with lead block according to the present invention;
fig. 6A is one of the top views of the lead stopper in the polymer material module with lead stopper according to the present invention;
fig. 6B is a second top view of the lead stopper in the polymer material module with lead stopper according to the present invention;
fig. 6C is a third top view of the lead stopper in the polymer material module with lead stopper according to the present invention;
fig. 6D is a fourth of the top view of the lead stopper in the high polymer material module with lead stopper of the present invention;
fig. 6E is a fifth view of a top view of a lead stopper in the high polymer material module with a lead stopper according to the present invention;
fig. 7A is a top view of the structure of the polymer material module with notch according to the present invention;
fig. 7B is a second top view of the structure of the polymer material module with notch according to the present invention;
fig. 7C is a third top view of the structure of the polymer material module with notch according to the present invention;
fig. 7D is a fourth of the top view of the structure of the polymer material module with notch of the present invention;
fig. 8A is a top view of the structure of the metal lead module with notch according to the present invention;
fig. 8B is a second top view of the structure of the notched lead metal module according to the present invention;
fig. 8C is a third top view of the structure of the notched lead metal module according to the present invention;
fig. 8D is a fourth of the top view of the structure of the metal lead module with notch according to the present invention;
fig. 9 is a schematic structural view of the die tube of the present invention;
wherein: 1 is the unit module, 2 is the orientation module of location, 3 is the mould pipe, 4 is the jackscrew, 5 is the full macromolecular material module, 6 is the plumbous module of all metals, 7 is the macromolecular material module of taking lead to keep off, 8 is the macromolecular material body, 9 is the lead to keep off, 10 is the macromolecular material module of taking the breach, 11 is the plumbous module of metal of taking the breach, 12 is the ladder through-hole, 13 is mould pipe jackscrew hole, 14 is the applicator jackscrew hole, 15 is the applicator, 16 is the centre bore.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model comprises a unit module 1, a positioning and orienting module 2 and a mold tube 3, wherein the unit module 1 and the positioning and orienting module 2 are respectively arranged on the mold tube 3, and the inside of the mold tube 3 is used for passing through a source applicator 15; the unit module 1 is one or more than two of a full high molecular material module 5, a full metal lead module 6, a high molecular material module 7 with a lead block, a high molecular material module 10 with a notch and a metal lead module 11 with a notch, the unit module 1 can be relatively rotatably arranged on the mould tube 3 in a penetrating way and is fixedly positioned with the mould tube 3 after the position is well adjusted, and the vaginal mould and the applicator 15 are respectively fixed through the positioning and orienting module 2 to prevent movement or rotation. The front end of the unit module positioned at the foremost end in the vagina inserting direction is provided with a circular arc chamfer angle, so that the unit module can be conveniently placed into a vagina.
As shown in fig. 9, the mold tube 3 of the present embodiment is a hollow circular tube with two open ends, the material is 304 stainless steel, and the length of the mold tube 3 is equal to or greater than the sum of the thicknesses of all the unit modules 1. The applicator 15 penetrates through the die tube 3, and the applicator 15 can be a straight tube or the front end of the applicator is a bent tube; the applicator 15 is of a prior art tubular structure with one end closed and the other open for placement of a radioactive source.
As shown in fig. 2A to 2C, the positioning and orienting module 2 of the present embodiment is axially provided with a stepped through hole 12, and radially provided with a die tube jackscrew hole 13 and an applicator jackscrew hole 14 respectively communicated with the stepped through hole 12; the die tube tip hole 13 and the applicator tip hole 14 of this embodiment are both M4 in size. The end of the die tube 3 is received in the hole with the larger diameter of the stepped through hole 12, and the vaginal die is fixed by the jackscrew 4 in the jackscrew hole 13 of the die tube, the applicator 15 is exposed from the hole with the smaller diameter of the stepped through hole 12, and the applicator 15 is fixed by the jackscrew 4 in the applicator jackscrew hole 14. The positioning and orienting module 2 of the embodiment is divided into two parts, wherein the part close to the unit module 1 is in a disc shape and is provided with a die tube top thread hole 13 along the radial direction; the other part far away from the unit module 1 is rectangular, and is provided with a source applicator jackscrew hole 14 along the radial direction; the disc-shaped portion is disposed coaxially with the rectangular portion. The positioning and orienting module 2 is mounted on the mold tube 3 and abuts against the endmost (outer end) unit module 1.
The outer diameters of the all-polymer material module 5, the all-metal lead module 6, the polymer material module 7 with the lead block, the polymer material module 10 with the notch and the metal lead module 11 with the notch of the embodiment are equal, and the outer diameters have three dimensions, namely 25mm, 30mm and 35 mm. In the embodiment, except for the all-metal lead module 6, the thickness of each module is the irradiation length, the minimum irradiation length is 7.5mm, and the irradiation area can be enlarged by increasing the length of 2.5 mm; the thickness of each module in this embodiment is 5.0mm, 7.5mm, 10mm, 15mm and 20mm respectively from five dimensions. The center of each module is provided with a circular center hole 16, and the aperture of the center hole 16 of the embodiment is 6.0 mm.
As shown in fig. 3, the all-polymer material module 5 of the present embodiment is a cylinder, and all materials are polymer materials (such as ABS plastic, organic glass or nylon); the full polymer material module 5 is provided with a central hole 16 for the die tube 3 to pass through along the axial direction, and is provided with a jackscrew hole communicated with the central hole 16 along the radial direction, and a jackscrew 4 is arranged in the jackscrew hole and is used for being fixed and positioned with the die tube 3 after the full polymer material module 5 moves and rotates in place.
As shown in fig. 4, the all-metal lead module 6 of the present embodiment is a cylinder, and all materials are metal lead; the all-metal lead module 6 is provided with a central hole 16 for the die tube 3 to pass through along the axial direction, and is provided with a jackscrew hole communicated with the central hole 16 along the radial direction, and a jackscrew 4 is arranged in the jackscrew hole and used for being fixed and positioned with the die tube 3 after the all-polymer material module 5 moves and rotates in place.
The high polymer material module 7 with the lead stopper comprises a high polymer material body 8 and a lead stopper 9, wherein the high polymer material body 8 is a cylinder, a central hole 16 for the mold tube 3 to pass through is axially formed in the high polymer material body, a jackscrew hole communicated with the central hole 16 is radially formed in the high polymer material body, and a jackscrew 4 is arranged in the jackscrew hole and used for being fixedly positioned with the mold tube 3 after the high polymer material module 7 with the lead stopper moves and rotates in place. The edge of the high polymer material body 8 is milled to remove a part to form an arc-shaped notch, the lead block 9 is adapted to the shape of the notch and is also arc-shaped, is arranged at the notch and forms a complete cylinder with the high polymer material body 8, and is used for shielding and adjusting the area and dosage of a non-tumor irradiation area. The part of the high polymer material body 8 without the lead block 9 is the irradiation angle, the minimum value of the irradiation angle is 60 degrees, and the irradiation area can be increased and enlarged by an angle of 30 degrees. The lead stopper 9 on the high polymer material body 8 of the embodiment is one-way or two-way, that is, one lead stopper 9 is installed on the high polymer material body 8, and the lead stopper 9 shields rays in one direction; the angle of the unidirectional lead block 9 of the present embodiment is divided into 90 ° (as shown in fig. 5A), 120 ° (as shown in fig. 5B), 150 ° (as shown in fig. 5C), 180 ° (as shown in fig. 5D), 210 ° (as shown in fig. 5E), 240 ° (as shown in fig. 5F), 270 ° (as shown in fig. 5G), and 300 ° (as shown in fig. 5H). The two lead blocks 9 are arranged on the high polymer material body 8 in a bidirectional way, and the two lead blocks 9 are arranged oppositely and shield rays in two directions; the angles of the bidirectional lead stops 9 in the embodiment are 90 degrees and-90 degrees, that is, as shown in fig. 5I, the angle of each lead stop 9 is 90 degrees; the angle is divided into 60 degrees and 120 degrees, namely as shown in figure 5J, the angle of one lead block 9 is 60 degrees, the angle of the other lead block 9 is 120 degrees, and the two lead blocks 9 are oppositely arranged; is divided into 90 degrees and-150 degrees, namely, as shown in figure 5K, the angle of one lead block 9 is 90 degrees, the angle of the other lead block 9 is 150 degrees, and the two lead blocks 9 are oppositely arranged. The thickness (i.e., the radial width) of the lead stopper 9 of the present embodiment has five specifications, which are one half-value layer (2.4mm) as shown in fig. 6A, two half-value layers (4.8mm) as shown in fig. 6B, three half-value layers (7.2mm) as shown in fig. 6C, four half-value layers (9.6mm) as shown in fig. 6D, five half-value layers as shown in fig. 6E, and a full stopper (12mm), respectively.
The polymer material module 10 with the notch of the embodiment is a cylinder, a central hole 16 for the mold tube 3 to pass through is axially formed, a jackscrew hole communicated with the central hole 16 is radially formed, and a jackscrew 4 is arranged in the jackscrew hole and is used for fixing and positioning the polymer material module 10 with the notch with the mold tube 3 after moving and rotating in place. A notch is arranged on the polymer material module 10 with the notch along the axial direction, the axial length of the notch is less than or equal to that of the polymer material module 10 with the notch, and the angle of the notch can be less than or equal to 150 degrees; the axial length of the notch in this embodiment is equal to the axial length of the notched polymer material module 10, and the angles are 60 ° (as shown in fig. 7A), 90 ° (as shown in fig. 7B), 120 ° (as shown in fig. 7C), and 150 ° (as shown in fig. 7D).
The metal lead module 11 with the notch of the embodiment is a cylinder, a central hole 16 for the mold tube 3 to pass through is axially arranged, a jackscrew hole communicated with the central hole 16 is radially arranged, and a jackscrew 4 is arranged in the jackscrew hole and is used for fixing and positioning the metal lead module 11 with the notch with the mold tube 3 after moving and rotating in place. A notch is formed in the metal lead module 11 with the notch along the axial direction, the axial length of the notch is smaller than or equal to that of the metal lead module 11 with the notch, and the angle of the notch can be smaller than or equal to 150 degrees; the axial length of the notch of the present embodiment is equal to the axial length of the notched metal lead module 11, and the angles are divided into 60 ° (as shown in fig. 8A), 90 ° (as shown in fig. 8B), 120 ° (as shown in fig. 8C), and 150 ° (as shown in fig. 8D).
The utility model discloses a theory of operation does:
the utility model discloses a unit module 1 is by plumbous, macromolecular material of metal or plumbous and macromolecular material of metal through processing close an organic whole and make, can have different specification and dimension, and each unit module is the cylinder after being in the same place. Each unit module 1 can be adjusted 360 ° on the die tube 3 and fixed with the jack screws 4 after the adjustment, thereby obtaining precise positioning and orientation.
When the vagina therapeutic device is used, the full high molecular material module 5, the full metal lead module 6, the high molecular material module 7 with the lead block, the high molecular material module 10 with the notch and the metal lead module 11 with the notch which have the same size and specification or different size and specification are combined into the optimum individualized afterloading radiotherapy vagina mold according with the size and the shape of the pathological changes according to the requirements of the size and the shape of the vaginal pathological changes. During selection, the radioactive rays are shielded by the lead blocks 9 on the all-metal lead module 6, the high polymer material module 7 with the lead blocks and the metal lead of the metal lead module 11 with the notch, and the radioactive rays only irradiate the positions of tumor lesions through the parts of the high polymer materials which are not shielded or the notches by selecting the lead blocks 9 with different thicknesses, so that the accurate control of the tumor irradiation volume, the irradiation dose and the irradiation dose of organs at risk is realized, and the conformal intensity modulation can be realized like external irradiation. After selection, the module and the mould tube 3 are fixed by the jackscrews 4 on each module, the applicator 15 is penetrated through the mould tube 3, the vaginal mould and the applicator 15 are fixed by the positioning and orienting module 2, and the vaginal mould and the applicator 15 can be prevented from moving or rotating in the vagina by an external fixing device (such as T-shaped trousers with nylon buckles) in the prior art.
The utility model can be used independently, can be used in the integration of uterine cavity and vagina, and can be used for the back-loading radiotherapy of rectal cancer.
Claims (10)
1. A combined type conformal intensity-modulated after-loading radiotherapy vaginal mold is characterized in that: the device comprises a unit module (1), a positioning and orienting module (2) and a mould tube (3), wherein the unit module (1) and the positioning and orienting module (2) are respectively arranged on the mould tube (3) in a penetrating way, and a source applicator (15) is arranged in the mould tube (3); the unit module (1) is one or more than two of a full high molecular material module (5), a full metal lead module (6), a high molecular material module (7) with a lead block, a high molecular material module (10) with a notch and a metal lead module (11) with a notch, the unit module (1) can be rotatably arranged on the mould tube (3) in a penetrating way and is fixedly positioned with the mould tube (3) after the position is adjusted, and the vagina mould and the source applicator (15) are respectively fixed through the positioning and orienting module (2).
2. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 1, wherein: the die tube (3) is a hollow structure with two open ends, and the length of the die tube is equal to or more than the sum of the thicknesses of all the unit modules (1).
3. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 1, wherein: the positioning and orienting module (2) is provided with a stepped through hole (12) along the axial direction, and is respectively provided with a die tube jackscrew hole (13) and a source applicator jackscrew hole (14) which are communicated with the stepped through hole (12) along the radial direction; the end part of the mould tube (3) is accommodated in a hole with a larger diameter of the stepped through hole (12), the vaginal mould is fixed through a jackscrew (4) in a jackscrew hole (13) of the mould tube, and the applicator (15) is exposed out of the hole with the smaller diameter of the stepped through hole (12) and is fixed through the jackscrew (4) in an applicator jackscrew hole (14).
4. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 3, wherein: the positioning and orienting module (2) is divided into two parts, wherein the part close to the unit module (1) is provided with the die tube jackscrew hole (13) along the radial direction, and the other part far away from the unit module (1) is provided with the applicator jackscrew hole (14) along the radial direction.
5. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 1, wherein: the all-polymer material module (5) is a cylinder, a central hole (16) for the die tube (3) to pass through is axially formed, a jackscrew hole communicated with the central hole (16) is radially formed, and a jackscrew (4) is arranged in the jackscrew hole and is used for being fixedly positioned with the die tube (3) after the all-polymer material module (5) moves and rotates in place.
6. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 1, wherein: the all-metal lead module (6) is a cylinder, is provided with a central hole (16) for the die tube (3) to pass through along the axial direction, is provided with a jackscrew hole communicated with the central hole (16) along the radial direction, and is internally provided with a jackscrew (4) for being fixedly positioned with the die tube (3) after the all-polymer material module (5) moves and rotates in place.
7. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 1, wherein: the high polymer material module (7) with the lead block comprises a high polymer material body (8) and the lead block (9), wherein the high polymer material body (8) is a cylinder, a central hole (16) for the die tube (3) to penetrate through is formed in the axial direction, a jackscrew hole communicated with the central hole (16) is formed in the radial direction, and a jackscrew (4) is arranged in the jackscrew hole and used for being fixedly positioned with the die tube (3) after the high polymer material module (7) with the lead block moves and rotates in place; the edge of macromolecular material body (8) has curved breach, lead fender (9) are installed in this breach department, form complete cylinder with macromolecular material body (8).
8. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 7, wherein: the lead block (9) on the high polymer material body (8) is divided into one direction or two directions, wherein the lead block (9) is arranged on the high polymer material body (8) in the one direction, and the lead block (9) shields rays in the one direction; two lead blocks (9) are arranged on the high polymer material body (8) in a bidirectional mode, and the two lead blocks (9) are arranged oppositely and shield rays in two directions.
9. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 1, wherein: the high polymer material module (10) with the notch is a cylinder, a central hole (16) for the die tube (3) to pass through is formed in the axial direction, a jackscrew hole communicated with the central hole (16) is formed in the radial direction, and a jackscrew (4) is arranged in the jackscrew hole and used for being fixed and positioned with the die tube (3) after the high polymer material module (10) with the notch moves and rotates in place; the polymer material module (10) with the notch is provided with a notch along the axial direction, and the axial length of the notch is less than or equal to that of the polymer material module (10) with the notch.
10. The modular conformal intensity modulated afterloading radiation therapy vaginal mold of claim 1, wherein: the metal lead module (11) with the notch is a cylinder, a central hole (16) for the die tube (3) to pass through is formed in the axial direction, a jackscrew hole communicated with the central hole (16) is formed in the radial direction, and a jackscrew (4) is arranged in the jackscrew hole and used for being fixedly positioned with the die tube (3) after the metal lead module (11) with the notch moves and rotates in place; and a notch is formed in the metal lead module (11) with the notch along the axial direction, and the axial length of the notch is less than or equal to that of the metal lead module (11) with the notch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559310.1U CN211097104U (en) | 2019-09-19 | 2019-09-19 | Combined type conformal intensity-modulated rear-loading radiotherapy vaginal mold |
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| CN201921559310.1U CN211097104U (en) | 2019-09-19 | 2019-09-19 | Combined type conformal intensity-modulated rear-loading radiotherapy vaginal mold |
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| CN211097104U true CN211097104U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181540A (en) * | 2021-04-29 | 2021-07-30 | 伯格曼(江苏)医疗科技有限公司 | Source applicator positioning device and fixing method thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181540A (en) * | 2021-04-29 | 2021-07-30 | 伯格曼(江苏)医疗科技有限公司 | Source applicator positioning device and fixing method thereof |
| CN113181540B (en) * | 2021-04-29 | 2023-02-24 | 伯格曼(江苏)医疗科技有限公司 | Source applicator positioning device and fixing method thereof |
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