CN215231663U - Combined multifunctional vaginal mold for radiation therapy in vaginal cavity - Google Patents
Combined multifunctional vaginal mold for radiation therapy in vaginal cavity Download PDFInfo
- Publication number
- CN215231663U CN215231663U CN202120009681.3U CN202120009681U CN215231663U CN 215231663 U CN215231663 U CN 215231663U CN 202120009681 U CN202120009681 U CN 202120009681U CN 215231663 U CN215231663 U CN 215231663U
- Authority
- CN
- China
- Prior art keywords
- module
- positioning
- sleeve
- vaginal
- orienting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001959 radiotherapy Methods 0.000 title claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 230000004323 axial length Effects 0.000 claims description 8
- 210000001215 vagina Anatomy 0.000 abstract description 10
- 206010028980 Neoplasm Diseases 0.000 abstract description 5
- 201000011510 cancer Diseases 0.000 abstract description 3
- 230000036285 pathological change Effects 0.000 abstract description 2
- 231100000915 pathological change Toxicity 0.000 abstract description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 4
- 229930040373 Paraformaldehyde Natural products 0.000 description 4
- 229920006324 polyoxymethylene Polymers 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- -1 polyoxymethylene Polymers 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010046885 vaginal cancer Diseases 0.000 description 2
- 208000013139 vaginal neoplasm Diseases 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 206010008342 Cervix carcinoma Diseases 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 208000006105 Uterine Cervical Neoplasms Diseases 0.000 description 1
- 206010048937 Vaginal lesion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010881 cervical cancer Diseases 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- GKOZUEZYRPOHIO-IGMARMGPSA-N iridium-192 Chemical compound [192Ir] GKOZUEZYRPOHIO-IGMARMGPSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000037819 metastatic cancer Diseases 0.000 description 1
- 208000011575 metastatic malignant neoplasm Diseases 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- 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
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
-
- 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
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1002—Intraluminal radiation therapy
-
- 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
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1014—Intracavitary radiation therapy
- A61N5/1016—Gynaecological radiation therapy
-
- 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
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
- A61N5/1007—Arrangements or means for the introduction of sources into the body
- A61N2005/1008—Apparatus for temporary insertion of sources, e.g. afterloaders
-
- 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
-
- 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
- A61N2005/1094—Shielding, protecting against radiation
-
- 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
- A61N2005/1096—Elements inserted into the radiation path placed on the patient, e.g. bags, bolus, compensators
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The utility model relates to a device for back loading radiotherapy cancer, in particular to a combined vaginal mould for radiotherapy in the vaginal cavity, a fixed module, a positioning and orienting module and a sleeve are respectively arranged on a mould tube in a penetrating way, the fixed module and the positioning and orienting module are respectively fixed with the mould tube, and the sleeve is clamped between the fixed module and the positioning and orienting module; a filling module and/or a lead blocking module are inserted into the sleeve, a plurality of grooves are formed in the outer surface of the lead blocking module along the circumferential direction, a bulge is formed between every two adjacent grooves, the bulge is abutted against the inner wall of the sleeve, and the inner wall of the lead blocking module is abutted against the mold pipe; the outer surface of the filling module is abutted against the inner wall of the sleeve, and the inner surface of the filling module is abutted against the die tube; the applicator is penetrated through the die tube or inserted into the groove after being penetrated through the positioning and orienting module. The utility model discloses a mode of module combination can be according to the pathological change area of the different positions of vagina nimble adjustment module form shape and shine.
Description
Technical Field
The utility model relates to a device for back loading radiotherapy cancer, in particular to a combined multifunctional vaginal mold for the radiotherapy in the vaginal cavity.
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 vaginal molds, none have achieved highly conformal irradiation of vaginal lesions nor have maximum protection of normal vaginal tissues to maximize the efficacy of radiation therapy. 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. Some vaginal molds can only increase the irradiation dose to one region of the vagina, but cannot irradiate a plurality of different regions at the same time. If the vaginal multi-point focus can be accurately irradiated at the same time, the length of the mould can be adjusted, and the vaginal mould which integrates the functions of the uterine cavity and the vagina and is highly individualized can be realized, so that the position, the area, the direction and the adjustability of the vaginal multi-point focus can be realized. Can maximize the curative effect of radiotherapy.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of the prior vaginal mold, the utility model aims to provide a combined multifunctional vaginal mold for the radiation therapy in the vaginal cavity.
The purpose of the utility model is realized through the following technical scheme:
the utility model comprises a fixing module, a positioning and orienting module, a sleeve, a filling module, a lead blocking module and a mould tube, wherein the fixing module, the positioning and orienting module and the sleeve are respectively arranged on the mould tube in a penetrating way, the fixing module and the positioning and orienting module are respectively fixed with the mould tube, and the sleeve is clamped between the fixing module and the positioning and orienting module; a filling module and/or a lead blocking module are inserted into the sleeve, a plurality of grooves are formed in the outer surface of the lead blocking module along the circumferential direction, a bulge is formed between every two adjacent grooves, the bulge is abutted against the inner wall of the sleeve, and the inner wall of the lead blocking module is abutted against the mold pipe; the outer surface of the filling module is abutted against the inner wall of the sleeve, and the inner surface of the filling module is abutted against the mold pipe; the applicator is penetrated through the die tube or inserted into the groove after being penetrated through the positioning and orienting module.
Wherein: the fixing module is provided with a center hole for inserting the die tube along the axial direction, and is provided with a jackscrew hole communicated with the center hole along the radial direction.
The fixed module is disc-shaped, and the outer edge of the fixed module is rounded; the center line of the jackscrew hole is collinear with the center line of the fixed module in the thickness direction.
The positioning and orienting module is of a stepped structure consisting of two disks, a stepped through hole is axially formed in the middle of the positioning and orienting module, a plurality of through holes are uniformly formed in the large-diameter disk on the periphery of the small-diameter disk along the circumferential direction, the through holes are used for inserting limiting needles when the applicator penetrates through the die tube, the limiting needles are inserted into the grooves after penetrating through the through holes to limit the rotation of the lead blocking module, or the applicator penetrates through the through holes and then is inserted into the grooves to limit the rotation of the lead blocking module during radiotherapy.
The positioning and orienting module is of a stepped structure, the upper part of the positioning and orienting module is a small-diameter disc, the middle part of the lower part of the positioning and orienting module is a large-diameter disc, the two sides of the large-diameter disc at the center of the circle are extended outwards along the radial direction, and the extended parts are provided with rope threading holes; the middle of the positioning and orienting module is axially provided with a stepped through hole, a large-diameter disc on the periphery of a small-diameter disc is uniformly provided with a plurality of through holes along the circumferential direction, the through holes are used for penetrating limiting needles when the applicators penetrate through a die tube, the limiting needles penetrate through the through holes and then are inserted into the grooves to limit the rotation of the lead blocking module, or the applicators penetrate through the through holes and then are inserted into the grooves to limit the rotation of the lead blocking module during radiotherapy.
The small-diameter disc is radially provided with an applicator jackscrew hole communicated with the stepped through hole, and when the applicator passes through the die tube, the applicator is fixed by a jackscrew arranged in the applicator jackscrew hole; and the large-diameter disc is radially provided with a die tube jackscrew hole communicated with the stepped through hole, and the die tube is fixed by a jackscrew arranged in the die tube jackscrew hole.
The sleeve is a hollow round pipe with openings at two ends, and the diameter of the sleeve is smaller than that of the fixing module and the positioning and orienting module.
The end face of the filling module is in a fan shape, and the axial length of the filling module is smaller than or equal to that of the sleeve.
The end face of the lead blocking module is in a fan shape, and the axial length of the lead blocking module is smaller than or equal to that of the sleeve.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses a mode of module combination can be according to the pathological change area of the different positions of vagina nimble adjustment module form shape and shine.
2. The utility model can be inserted by the central mould tube, and the lead of the radioactive source in the combined mould center forms 2.5 half-price layer shields to the radioactive source; lead can also be placed on the periphery of the mould to form 5 half-value layer shielding for the radioactive source; (semi-valence layer: the thickness of the lead stop that reduces the radiation dose by half is referred to as a semi-valence layer).
3. The utility model discloses can be interrupted the lead to the different position multiple spot focuses of vagina and keep off, can give the minimum 1.0 square centimeter of vagina area to the shape-adapted accent of any area of whole vagina and reinforce and shine, furthest has reached treatment individuation radiotherapy, and then makes the radiotherapy curative effect reach the maximize.
4. The utility model discloses simple structure uses convenient operation, safety, reliable.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
fig. 2 is a structural sectional view of the fixing module of the present invention;
fig. 3 is a structural sectional view of the positioning and orienting module of the present invention;
FIG. 4 is a front view of the positioning and orientation module of the present invention;
FIG. 5 is a top view of FIG. 3;
fig. 6 is a schematic structural view of the sleeve of the present invention;
FIG. 7 is a side view of FIG. 6;
fig. 8A is one of the front views of the lead stop module of the present invention;
FIG. 8B is a right side view of FIG. 8A;
fig. 8C is a second front view of the lead stop module according to the present invention;
FIG. 8D is a right side view of FIG. 8C;
fig. 8E is a third structural front view of the lead blocking module of the present invention;
FIG. 8F is a right side view of FIG. 8E;
fig. 8G is a schematic structural view of the lead blocking modules of each angle enclosing into a circle;
fig. 9A is one of the front views of the filling module of the present invention;
FIG. 9B is a right side view of FIG. 9A;
fig. 9C is a second front view of the filling module of the present invention;
FIG. 9D is a right side view of FIG. 9C;
fig. 9E is a third structural front view of the filling module of the present invention;
FIG. 9F is a right side view of FIG. 9E;
fig. 10 is a schematic structural view of the die tube of the present invention;
fig. 11 is a schematic structural view of the spring clip of the present invention;
fig. 12 is a top view of another structure of the positioning and orientation module of the present invention;
FIG. 13 is a left side cross-sectional view of FIG. 12;
wherein: the device comprises a fixing module 1, a positioning and orienting module 2, a sleeve 3, a filling module 4, a lead blocking module 5, a mold pipe 6, a source applicator 7, a central hole 8, a jackscrew hole 9, a step through hole 10, a through hole 11, a mold pipe jackscrew hole 12, a source applicator jackscrew hole 13, a groove 14, a protrusion 15, a spring clamp 16 and a threading hole 17.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a fixed module 1, orientation module 2, sleeve pipe 3, fill module 4, lead fender module 5 and mould pipe 6, wherein fixed module 1, orientation module 2 and sleeve pipe 3 wear to establish respectively on mould pipe 6, and this fixed module 1 and orientation module 2 are fixed with mould pipe 6 respectively, and sleeve pipe 3 is pressed from both sides tightly between fixed module 1 and orientation module 2. A filling module 4 and/or a lead blocking module 5 are inserted into the sleeve 3, a plurality of grooves 14 are formed in the outer surface of the lead blocking module 5 along the circumferential direction, a protrusion 15 is formed between every two adjacent grooves 14, the protrusion 15 is abutted against the inner wall of the sleeve 3, and the outer surface of the filling module 4 is abutted against the inner wall of the sleeve 3; the inner wall of the filling block 4 and the inner wall of the lead stopper block 5 are respectively abutted against the die tube 6. The applicator 7 is inserted into the mould tube 6 or the applicator 7 is inserted into the groove 14 after being inserted into the mould tube by the positioning and orientation module 2.
As shown in fig. 2, the fixing module 1 of the present embodiment is disc-shaped, and the outer edge of the fixing module is rounded; the center of the fixed module 1 is provided with a center hole 8 for inserting the die tube 6 along the axial direction, and is provided with a top thread hole 9 communicated with the center hole 8 along the radial direction, and the center line of the top thread hole 9 is collinear with the center line of the fixed module 1 in the thickness direction. One end of the die tube 6 is inserted into the center hole 8 and fixed by a jack screw installed in the jack screw hole 9.
As shown in fig. 3 to 5, the positioning and orienting module 2 of the present embodiment is a stepped structure formed by two disks, and the diameter of the outward disk is smaller than that of the inward disk; the middle of the positioning and orienting module 2 is axially provided with a stepped through hole 10, and the outward diameter of the stepped through hole 10 is smaller than the inward diameter. A plurality of through holes 11 are uniformly formed in the large-diameter disc on the periphery of the small-diameter disc along the circumferential direction, the through holes 11 are used for penetrating limiting needles when the applicators 7 penetrate through the die tube 6, the limiting needles penetrate through the through holes 11 and then are inserted into the grooves 14 to limit the rotation of the lead stopper modules 5, or the applicators 7 penetrate through the through holes and then are inserted into the grooves 14 to limit the rotation of the lead stopper modules 5 during radiotherapy. A source applicator jackscrew hole 13 communicated with the stepped through hole 10 is radially arranged on the small-diameter disc, and when the source applicator 7 passes through the die tube 6, the source applicator 7 is fixed by a jackscrew arranged in the source applicator jackscrew hole 13; the large-diameter disc is radially provided with a die tube jackscrew hole 12 communicated with the stepped through hole 10, and the die tube 6 is fixed by a jackscrew arranged in the die tube jackscrew hole 12. When the applicator 7 is inserted at the periphery of the lead block module 5, it penetrates through a through hole 11 on the positioning and orienting module 2 and then is inserted into a groove 14 on the lead block module 5. The positioning and orientation module 2 with the structure can realize external fixation through the spring clamp 16 shown in fig. 11, can be used in CT examination, but is not suitable for nuclear magnetic resonance examination.
As shown in fig. 12 and 13, the positioning and orienting module 2 of the present embodiment is a stepped structure, the upper portion is a small-diameter disk and is installed outward, the middle portion of the lower portion is a large-diameter disk and is installed inward, the two sides of the lower large-diameter disk symmetric about the center of the circle extend outward in the radial direction, and the extending portion is provided with a rope threading hole 17. The middle of the positioning and orienting module 2 is axially provided with a stepped through hole 10, and the outward diameter of the stepped through hole 10 is smaller than the inward diameter. A plurality of through holes 11 are uniformly formed in the large-diameter disc on the periphery of the small-diameter disc along the circumferential direction, the through holes 11 are used for penetrating limiting needles when the applicators 7 penetrate through the die tube 6, the limiting needles penetrate through the through holes 11 and then are inserted into the grooves 14 to limit the rotation of the lead stopper modules 5, or the applicators 7 penetrate through the through holes and then are inserted into the grooves 14 to limit the rotation of the lead stopper modules 5 during radiotherapy. A source applicator jackscrew hole 13 communicated with the stepped through hole 10 is radially arranged on the small-diameter disc, and when the source applicator 7 passes through the die tube 6, the source applicator 7 is fixed by a jackscrew arranged in the source applicator jackscrew hole 13; the large-diameter disc is radially provided with a die tube jackscrew hole 12 communicated with the stepped through hole 10, and the die tube 6 is fixed by a jackscrew arranged in the die tube jackscrew hole 12. When the applicator 7 is inserted at the periphery of the lead block module 5, it penetrates through a through hole 11 on the positioning and orienting module 2 and then is inserted into a groove 14 on the lead block module 5. The positioning and orienting module 2 with the structure can be fixed outside the body after being threaded in the threading hole 17, and is suitable for CT examination and nuclear magnetic resonance examination.
As shown in fig. 6 and 7, the sleeve 3 of the present embodiment is a hollow circular tube with two open ends, and its diameter is smaller than the diameters of the fixing module 1 and the positioning and orienting module 2. The sleeve 3 of the present embodiment has four specifications of 22 mm inner diameter, 25 mm outer diameter, 30 mm inner diameter, 30 mm outer diameter, 35 mm inner diameter, and 35 mm outer diameter, 40 mm inner diameter, and the length can be 120 mm, 100 mm, 80 mm, or 60 mm.
As shown in fig. 9A to 9F, the end surface of the filling module 4 of the present embodiment is fan-shaped, and the axial length thereof is smaller than or equal to the axial length of the sleeve 3. The filling module 4 of the present embodiment has a fan-shaped central angle of 60 °, 90 ° or 120 °, that is, a strip shape obtained by dividing the cylinder by 60 °, 90 °, 120 ° or 90 ° along the axial direction, and has a length of 10 mm, 15 mm, 20 mm, 30 mm, 40 mm, 50 mm, 60 mm, 80 mm, 100 mm or 120 mm, and the filling module can be installed in the casing 3 as long as the length is 360 °.
As shown in fig. 8A to 8G, the end surface of the lead stopper block 5 of the present embodiment is fan-shaped, and the axial length thereof is smaller than or equal to the axial length of the sleeve 3. The central angle of the sector of the lead block module 5 of this embodiment is 60 °, 90 ° or 120 °, that is, the circular lead column has circular holes with a diameter of 2 mm on a straight circular line every 30 ° along the axial direction, the two circular holes are crossed by a tangent line R1.6, and the circular lead column is divided into strips with a length of 10 mm, 15 mm, 20 mm, 30 mm, 40 mm, 50 mm, 60 mm, 80 mm, 100 mm or 120 mm in the axial direction by 60 °, 90 °, 120 ° or 90 °.
As shown in fig. 10, the mold tube 6 of the present embodiment is a hollow circular tube with openings at two ends, and the material is divided into two types, i.e., metal and nonmetal, the metal can be 304 stainless steel (suitable for CT examination) or titanium steel (suitable for CT examination and nuclear magnetic resonance examination), and the nonmetal can be a polymer material, such as ABS plastic, organic glass or POM (polyoxymethylene); the length of the mould tube 6 is greater than the length of the sleeve 3 and less than the distance between the top face of the fixed module 1 and the bottom face of the positioning and orientation module 2.
The applicator 7 of the present embodiment may be a straight tube, or the front end may be a bent tube; the applicator 7 is of a tubular structure with one end closed and the other end open, and is used for placing a radioactive source.
The fixing module 1, the positioning and orienting module 2, the sleeve 3 and the filling module 4 of the present embodiment are made of polymer materials, such as ABS plastic, organic glass or POM (polyoxymethylene).
The utility model discloses a theory of operation does:
when the device is used, the required filling module 4 and lead block module 5 are selected according to the measured vaginal length and the position of the vaginal tumor area to be irradiated, and then the filling module 4 and the lead block module 5 are respectively arranged in the sleeve 3. The mould tube 6 is placed in the center of the sleeve 3, and two ends of the mould tube are respectively fixed by the fixing module 1 and the positioning and orienting module 2 to form an individualized afterloading radiotherapy vaginal mould.
The extreme end (outer end) of the combined vaginal mould is provided with a directional positioning module 2 which is used for fixing the whole mould and a vaginal uterine cavity applicator 7 passing through a mould tube 6, and an external fixing device is matched to prevent the mould and the applicator 7 from moving and rotating. The external fixing device can be an existing spring clamp 16, as shown in fig. 11, after the vaginal mold is placed into the vagina, the spring clamp 16 is used for clamping the rearmost part of the whole mold, and the external fixing device is matched with a rope belt, a loose button and a waistband to be fixed on the body of a patient. The vaginal mold held by the spring clip 16 is suitable for CT examination. Alternatively, the rope is threaded through the rope-threading hole 17 in the positioning and orienting mold 2 shown in fig. 12 and 13, and then fixed on the patient, so as to be suitable for CT examination and nuclear magnetic resonance examination.
The utility model discloses a minimum angle radian that vagina mould shines is 60, can increase with the angle radian of 30 degrees and enlarge the irradiation area. The minimum length of the irradiation of the vaginal mold of the utility model is 10 mm, and the irradiation area can be enlarged by increasing the length of 5 mm.
The utility model can be applied to the intracavitary radiotherapy of the iridium 192 rear-mounted radiotherapy machine to cervical cancer, vaginal cancer and vaginal metastatic cancer.
Claims (9)
1. A combined vaginal mould for radiation therapy in vaginal cavity is characterized in that: the device comprises a fixing module (1), a positioning and orienting module (2), a sleeve (3), a filling module (4), a lead blocking module (5) and a mold tube (6), wherein the fixing module (1), the positioning and orienting module (2) and the sleeve (3) are respectively arranged on the mold tube (6) in a penetrating manner, the fixing module (1) and the positioning and orienting module (2) are respectively fixed with the mold tube (6), and the sleeve (3) is clamped between the fixing module (1) and the positioning and orienting module (2); a filling module (4) and/or a lead blocking module (5) are inserted into the sleeve (3), a plurality of grooves (14) are formed in the outer surface of the lead blocking module (5) along the circumferential direction, a protrusion (15) is formed between every two adjacent grooves (14), the protrusion (15) is abutted against the inner wall of the sleeve (3), and the inner wall of the lead blocking module (5) is abutted against the mold tube (6); the outer surface of the filling module (4) is abutted against the inner wall of the sleeve (3), and the inner surface of the filling module is abutted against the mould tube (6); the applicator (7) is penetrated through the mould tube (6), or the applicator (7) is inserted into the groove (14) after being penetrated through the positioning and orienting module (2).
2. The combined vaginal mold for radiation therapy in the vaginal cavity as claimed in claim 1, wherein: the fixed module (1) is provided with a central hole (8) for inserting the die tube (6) along the axial direction, and is provided with a top thread hole (9) communicated with the central hole (8) along the radial direction.
3. The combined vaginal mold for radiation therapy in the vaginal cavity as claimed in claim 2, wherein: the fixed module (1) is disc-shaped, and the outer edge of the fixed module is rounded; the center line of the jackscrew hole (9) is collinear with the center line of the fixed module (1) in the thickness direction.
4. The combined vaginal mold for radiation therapy in the vaginal cavity as claimed in claim 1, wherein: the positioning and orienting module (2) is of a stepped structure formed by two disks, a stepped through hole (10) is axially formed in the middle of the positioning and orienting module (2), a plurality of through holes (11) are uniformly formed in a large-diameter disk on the periphery of a small-diameter disk along the circumferential direction, the through holes (11) are used for penetrating limiting needles when the applicator (7) penetrates through a mold tube (6), the limiting needles penetrate through the through holes (11) and then are inserted into the grooves (14) to limit the rotation of the lead blocking module (5), or the applicator (7) penetrates through the through holes and then is inserted into the grooves (14), and the rotation of the lead blocking module (5) is limited during radiotherapy.
5. The combined vaginal mold for radiation therapy in the vaginal cavity as claimed in claim 1, wherein: the positioning and orienting module (2) is of a step-shaped structure, the upper part of the positioning and orienting module is a small-diameter disc, the middle part of the lower part of the positioning and orienting module is a large-diameter disc, the two sides of the large-diameter disc at the lower part, which are symmetrical about the circle center, extend outwards along the radial direction, and the extending part is provided with a rope threading hole (17); the middle of the positioning and orienting module (2) is provided with a stepped through hole (10) along the axial direction, a plurality of through holes (11) are uniformly formed in the large-diameter disc on the periphery of the small-diameter disc along the circumferential direction, the through holes (11) are used for penetrating limiting needles when the source applicator (7) penetrates through the die tube (6), the limiting needles penetrate through the through holes (11) and then are inserted into the grooves (14) to limit the rotation of the lead blocking module (5), or the source applicator (7) penetrates through the through holes and then is inserted into the grooves (14), and the rotation of the lead blocking module (5) is limited during radiotherapy.
6. The combined vaginal mould for radiation therapy in the vaginal cavity according to claim 4 or 5, characterized in that: a source applicator jackscrew hole (13) communicated with the stepped through hole (10) is radially formed in the small-diameter disc, and when the source applicator (7) passes through the die tube (6), the source applicator (7) is fixed through a jackscrew arranged in the source applicator jackscrew hole (13); and the large-diameter disc is radially provided with a die tube jackscrew hole (12) communicated with the stepped through hole (10), and the die tube (6) is fixed by a jackscrew arranged in the die tube jackscrew hole (12).
7. The combined vaginal mold for radiation therapy in the vaginal cavity as claimed in claim 1, wherein: the sleeve (3) is a hollow round pipe with two open ends, and the diameter of the sleeve is smaller than that of the fixing module (1) and the positioning and orienting module (2).
8. The combined vaginal mold for radiation therapy in the vaginal cavity as claimed in claim 1, wherein: the end face of the filling module (4) is in a fan shape, and the axial length of the filling module is smaller than or equal to that of the sleeve (3).
9. The combined vaginal mold for radiation therapy in the vaginal cavity as claimed in claim 1, wherein: the end face of the lead blocking module (5) is fan-shaped, and the axial length of the lead blocking module is smaller than or equal to that of the sleeve (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037290 | 2020-09-17 | ||
| CN2020220372900 | 2020-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215231663U true CN215231663U (en) | 2021-12-21 |
Family
ID=75590999
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120009681.3U Active CN215231663U (en) | 2020-09-17 | 2021-01-05 | Combined multifunctional vaginal mold for radiation therapy in vaginal cavity |
| CN202110006047.9A Pending CN112717284A (en) | 2020-09-17 | 2021-01-05 | Combined multifunctional vaginal mold for vaginal intracavitary radiation therapy |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110006047.9A Pending CN112717284A (en) | 2020-09-17 | 2021-01-05 | Combined multifunctional vaginal mold for vaginal intracavitary radiation therapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN215231663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717284A (en) * | 2020-09-17 | 2021-04-30 | 韩晓惠 | Combined multifunctional vaginal mold for vaginal intracavitary radiation therapy |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205814860U (en) * | 2016-06-22 | 2016-12-21 | 成都思维智造科技有限公司 | A kind of three-dimensional intracavitary brachytherapy individuation customization apparatus for wave-energy source |
| CN207708342U (en) * | 2017-03-17 | 2018-08-10 | 李莎 | A kind of afterloading radiotherapy applies source module |
| US10814142B2 (en) * | 2017-10-23 | 2020-10-27 | Best Medical International, Inc. | Intracavitary applicator for a medical procedure |
| CN211097104U (en) * | 2019-09-19 | 2020-07-28 | 韩晓惠 | Combined type conformal intensity-modulated rear-loading radiotherapy vaginal mold |
| CN211188832U (en) * | 2019-10-14 | 2020-08-07 | 江苏省肿瘤医院 | Brachytherapy device for cervical cancer with vaginal invasion |
| CN215231663U (en) * | 2020-09-17 | 2021-12-21 | 韩晓惠 | Combined multifunctional vaginal mold for radiation therapy in vaginal cavity |
-
2021
- 2021-01-05 CN CN202120009681.3U patent/CN215231663U/en active Active
- 2021-01-05 CN CN202110006047.9A patent/CN112717284A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717284A (en) * | 2020-09-17 | 2021-04-30 | 韩晓惠 | Combined multifunctional vaginal mold for vaginal intracavitary radiation therapy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112717284A (en) | 2021-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2274377T3 (en) | GROOVED SOURCES FOR BRAQUITERAPIA. | |
| US8939881B2 (en) | Apparatus for loading dosimetrically customizable brachytherapy carriers | |
| CN101528304B (en) | Peripheral Brachytherapy Highlighting Adaptive Organs | |
| EP3003482B1 (en) | Device for collimating electromagnetic radiation | |
| CN215231663U (en) | Combined multifunctional vaginal mold for radiation therapy in vaginal cavity | |
| CN211097104U (en) | Combined type conformal intensity-modulated rear-loading radiotherapy vaginal mold | |
| US10576299B1 (en) | Radioactive therapeutic device able to turn small radii | |
| CN109675207A (en) | A kind of surgical guide for cervical carcinoma afterloading radiotherapy | |
| US12318629B2 (en) | Radiation shields for brachytherapy | |
| CN103698795B (en) | A kind of Effect of HDR Brachytherapy radiation source dose measurement body mould | |
| US20070265487A1 (en) | Applicators for use in positioning implants for use in brachytherapy and other radiation therapy | |
| CN104511097B (en) | High dose rate multichannel afterloader indexing head mechanism | |
| CN211461825U (en) | Stereotactic head radiotherapy equipment | |
| CN103845789A (en) | Source applicator for anal canal tumor radiotherapy | |
| CN110841207B (en) | A stereotactic head radiotherapy device | |
| EP3482401B1 (en) | Radiation delivery devices | |
| CN214018951U (en) | An adjustable multi-channel arc rear-mounted applicator in rectal cavity | |
| CN203777508U (en) | Anal canal eccentric source applicator | |
| CN213482461U (en) | Measuring device for measuring rotary output dosage of spiral fault treatment device | |
| CN114949631A (en) | Self-shielding radiotherapy equipment | |
| CN224099834U (en) | Vagina inserts and plants template | |
| CN114325794B (en) | A measuring device for measuring the rotational output dose of a helical tomotherapy device | |
| WO2020091714A1 (en) | Vaginal intensity modulated brachytherapy (imbt) applicator | |
| CN211461826U (en) | Rotary drum structure applied to three-dimensional directional head gamma knife | |
| KR100489592B1 (en) | Apparatus for measuring an accuracy of radiation dose for a standard stereotatic radiosurgery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |