CN113181540B - Source applicator positioning device and fixing method thereof - Google Patents
Source applicator positioning device and fixing method thereof Download PDFInfo
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- CN113181540B CN113181540B CN202110473085.5A CN202110473085A CN113181540B CN 113181540 B CN113181540 B CN 113181540B CN 202110473085 A CN202110473085 A CN 202110473085A CN 113181540 B CN113181540 B CN 113181540B
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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
- 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
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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
- 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
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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
- 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
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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
- 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
- A61N2005/1018—Intracavitary radiation therapy with multiple channels for guiding radioactive sources
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses an applicator positioning device and a fixing method thereof, and relates to the technical field of applicators, wherein the positioning device is provided with three parts, including a positioning cervical orifice guide part, an adjustable positioning lengthened part and a vaginal orifice positioning end part, the positioning cervical orifice guide part is connected with the adjustable positioning lengthened part in an inserting or rotating separation way, the adjustable positioning lengthened part is connected with the vaginal orifice positioning end part in an inserting or rotating separation way, the positioning cervical orifice guide part can play a role in positioning and guiding an applicator, the upper end part of the applicator can be introduced into the positioning cervical orifice from a pipeline in the positioning cervical orifice guide part, the fixing property of the upper end part of the applicator can be effectively ensured, the upper end part of the applicator cannot fall out of a cervical orifice to touch rectum and bladder, and postoperative infection is effectively avoided; the positioning end part of the vaginal opening can effectively ensure the fixation of the lower end part of the fixed applicator, and the applicator can be introduced into the vagina from the pipeline inside the positioning end part.
Description
Technical Field
The invention relates to the technical field of applicators, in particular to a positioning device of an applicator and a fixing method thereof.
Background
Brachytherapy, a form of radiotherapy, accurately places radioactive sources near malignant tumor cells, kills the tumor cells by high-energy rays, has the advantages of strong pertinence, good treatment effect and low recurrence rate, and is widely applied to clinical medical surgery, external irradiation radiotherapy and the like;
when performing brachytherapy, basically the following methods are used: the applicator is placed in the vagina, and gauze is used for filling or a vaginal plug is additionally arranged at the bottom of the applicator so as to fix the applicator, but the two fixing modes have a plurality of problems, the gauze cannot be effectively connected with the applicator, the position of the applicator is easy to change, the vaginal plug can only fix the bottom end part of the applicator and cannot fix the upper end part of the applicator, so that the upper end of the applicator is often separated from a cervical orifice in the treatment process, the distance between the vagina and the rectum and the bladder is very close, postoperative infection is very easy to cause, meanwhile, no protective measures are taken for unnecessary irradiation parts, the radiotherapy effect is seriously influenced, and the comfort level of a patient during treatment is very poor; II, secondly: the method has the advantages that the 3D printing individualized vagina multi-channel applicator three-dimensional afterloading radiotherapy under the guidance of CT is adopted, the cost is high, the time period is extremely long, the comfort level of a patient during treatment is poor, and the vagina is extremely easy to scratch; thirdly, the method comprises the following steps: other structures, the suitability is extremely poor, can not adjust according to the vagina of different length to the women crowd of different ages, different length, and the fixer, consequently, the skilled person in the art is needed urgently to design a novel structure and can solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the problems that the positioning cervical orifice guiding part can play the roles of positioning and guiding the applicator, the upper end part of the applicator can be introduced into the positioning cervical orifice through a pipeline in the positioning cervical orifice guiding part, the fixation of the upper end part of the applicator can be effectively ensured, the upper end part of the applicator cannot fall out of the cervical orifice to touch the rectum and the bladder, and the postoperative infection is effectively avoided; the positioning end part of the vaginal opening can effectively ensure the fixation of the lower end part of the fixed applicator, and the applicator can be introduced into the vagina from a pipeline inside the positioning end part.
In order to solve the problems, the invention provides an applicator positioning device which comprises three parts, wherein the positioning device comprises a cervical orifice positioning guide part, an adjustable positioning lengthened part and a vaginal orifice positioning end part, the cervical orifice positioning guide part is connected with the adjustable positioning lengthened part in an insertion or rotation separation mode, the adjustable positioning lengthened part is connected with the vaginal orifice positioning end part in an insertion or rotation separation mode, the corners of the cervical orifice positioning guide part, the adjustable positioning lengthened part and the vaginal orifice positioning end part are all in a circular chamfer type structure, the inner ends of the cervical orifice positioning guide part, the adjustable positioning lengthened part and the vaginal orifice positioning end part are all provided with insertion piece grooves in a matched mode, and one end of the vaginal orifice positioning end part is provided with an angle display unit.
Preferably, the positioning cervical orifice guiding part comprises a guide sleeve, a front end jack of the applicator and a lengthened locator jack, the front end of the inner side of the guide sleeve is provided with the front end jack of the applicator, and the rear end of the inner side of the guide sleeve is provided with the lengthened locator jack.
Preferably, the adjustable positioning extension part is provided with at least one, the adjustable positioning extension part comprises a positioner extension bolt and a positioner adjusting seat fixedly arranged at one end of the positioner extension bolt, the inner end of the positioner extension bolt is provided with a source applicator middle end pore canal, and the inner edge of the positioner adjusting seat is provided with a central pore canal.
Preferably, the vaginal orifice positioning end part is provided with two parts, including an end part bolt and a positioning seat fixedly arranged at one end, and the positioning seat and the end part bolt are internally provided with end part pore channels of the applicator which are mutually communicated.
Preferably, the lengthened inserting hole of the positioner and the inner edge of the central hole channel are both provided with threaded bulges or threaded grooves, the lengthened inserting pin of the positioner and the outer end surface of the inserting pin at the end part are both provided with threaded bulges or threaded grooves, the lengthened inserting hole of the positioner is connected with the lengthened inserting pin of the positioner in a rotating and separating manner, and the central hole channel is connected with the inserting pin at the end part in a rotating and separating manner.
Preferably, at least 1 slot is formed in each of the guide sleeve and the positioner adjusting seat, positioning pieces are arranged at the other end of the positioner adjusting seat and one end of the positioning seat, and the positioning pieces are inserted into the slots.
Preferably, the positioning element is a threaded connection element, and the positioning element is rotatably connected in the slot.
Preferably, at least 1 elastic clamping groove is formed in each of the guide sleeve and the positioner adjusting seat, a positioning hook is fixedly arranged at the other end of the positioner adjusting seat and one end of the positioning seat, and the positioning hook is elastically hooked in the elastic clamping grooves.
Preferably, the angle display unit is an angle scale meter.
Preferably, a lead sheet is inserted into the insert groove.
Preferably, the positioning cervical orifice guiding part, the adjustable positioning lengthened part and the vaginal orifice positioning end part are formed by injection molding of medical-grade polycarbonate or medical-grade polyurethane into an integrally molded structure.
A fixing method of an applicator positioning device comprises the following steps:
s1, firstly, medical staff adds or reduces an adjustable positioning extension part according to the length of a vagina of a patient so as to adjust the adaptability;
s2, inserting the positioner lengthening plug of the adjustable positioning lengthening part into the positioner lengthening plug of the guide sleeve for positioning the cervical orifice guiding part, and rotatably connecting the positioning cervical orifice guiding part with the adjustable positioning lengthening part;
s3, inserting an end plug pin at the positioning end of the introitus into a central pore passage at the inner edge of the positioner adjusting seat of the adjustable positioning lengthening part, inserting the positioning device into the vagina, pushing the back wall of the bladder and the front wall of the rectum away by the positioning device, enabling the bladder and the rectum to be far away from the irradiation part, and sleeving a guide sleeve of the positioning cervical orifice guide part into the introitus;
s4, inserting the lead sheet into the slot to shield the part which does not need radiotherapy;
s5, the position of the part needing treatment is found through the angle display unit, and the applicator enters the middle-end pore passage of the applicator through the end pore passage of the applicator at the positioning end of the vaginal orifice and enters the front-end jack of the applicator for radiotherapy.
Adopt above-mentioned structure, its beneficial effect lies in:
the positioning device is provided with three parts, including a positioning cervical orifice guide part, an adjustable positioning extension part and a vaginal orifice positioning end part, wherein the positioning cervical orifice guide part can play a role in positioning and guiding the applicator, the upper end part of the applicator can be introduced into the positioning cervical orifice through a pipeline in the positioning cervical orifice guide part, the fixation of the upper end part of the applicator can be effectively ensured, the upper end part of the applicator can not fall out of the cervical orifice to touch the rectum and the bladder, the postoperative infection is effectively avoided, and the radiotherapy effect is ensured.
The adjustable positioning extension part can be used for adaptively additionally installing or additionally adjusting the vagina with different lengths aiming at the female crowds with different ages and different lengths, effectively solves the problem that the conventional fixator cannot be adjusted according to the vagina with different lengths, and can effectively ensure the fixation of the middle end part of the fixed applicator, thereby further ensuring the integral fixation of the applicator.
The vagina opening positioning end part is provided with two parts, including an end part bolt and a positioning seat fixedly arranged at one end, the positioning seat and the end part bolt are internally provided with mutually communicated applicator end part pore channels, the positioning seat can be sleeved at the vagina opening, the fixity of the lower end part of the fixed applicator can be effectively ensured, and the applicator can be introduced into the vagina from a pipeline inside the positioning end part.
The positioning cervical orifice guiding part is connected with the adjustable positioning lengthened part in an inserting or rotating separation mode, the adjustable positioning lengthened part is connected with the vaginal orifice positioning end part in an inserting or rotating separation mode, the cervical orifice guiding part is positioned, the connecting fixity among the positioning cervical orifice guiding part, the adjustable positioning lengthened part and the vaginal orifice positioning end part can be effectively guaranteed, the fixing effect is good, meanwhile, the mounting and the dismounting are convenient, and the preoperative preparation time can be effectively shortened.
The corners of the positioning cervical orifice guiding part, the adjustable positioning lengthened part and the positioning end part of the vaginal orifice are all in a round chamfer type structure, so that the whole device is more smooth, the inside of the vagina cannot be scratched when the device is arranged in the vagina, and the overall comfort level of a patient is effectively ensured.
The inner ends of the positioning cervical orifice guiding part, the adjustable positioning lengthened part and the positioning end part of the vaginal orifice are respectively provided with the insertion sheet grooves which are mutually communicated in a matching way, and the lead sheets are inserted in the insertion sheet grooves and can effectively shield the part which does not need radiotherapy, thereby avoiding unnecessary damage caused by excessive radiation irradiation to normal tissues and further improving the compliance of a patient to a treatment scheme.
One end of the positioning end part of the vaginal opening is provided with an angle display unit which is an angle scale meter, and the angle display unit can be used for enabling medical staff to accurately and timely and effectively find the position of a part to be treated, so that the accuracy of radiotherapy is effectively guaranteed, and the effect of the radiotherapy is improved.
Drawings
FIG. 1 is a schematic structural diagram of an applicator positioning device according to the present invention.
Fig. 2 is an assembly view of the applicator positioning device of the present invention.
Fig. 3 is an assembly view of the alternate embodiment of fig. 2.
Fig. 4 is an assembly view of the second embodiment of fig. 2.
Fig. 5 is an assembly view of the adjustable positioning extension for positioning the cervical os guide of fig. 4.
Fig. 6 is a side view of the applicator positioning device of the present invention.
FIG. 7 is a flow chart illustrating a method for fixing the applicator positioning device according to the present invention.
In the figure: 1-positioning cervical orifice guiding part, 101-guiding sleeve, 102-applicator front end jack, 103-positioner lengthened jack, 2-adjustable positioning lengthened part, 201-positioner lengthened bolt, 202-positioner adjusting seat, 203-applicator middle end hole channel, 204-central hole channel, 3-vaginal orifice positioning end part, 301-end part bolt, 302-positioning seat, 303-applicator end part hole channel, 4-inserting piece groove, 5-angle display unit, 6-inserting groove, 7-positioning part, 8-lead piece, 9-positioning hook piece and 10-elastic clamping groove.
Detailed Description
The invention is further explained below with reference to the figures and examples.
The first embodiment is as follows: a positioning device of a source applicator is provided with three parts, and comprises a positioning cervical orifice guiding part 1, an adjustable positioning lengthened part 2 and a vaginal orifice positioning end part 3, wherein the positioning cervical orifice guiding part 1 and the adjustable positioning lengthened part 2 are connected in an inserting or rotating separated mode, the adjustable positioning lengthened part 2 and the vaginal orifice positioning end part 3 are connected in an inserting or rotating separated mode, the edges of the positioning cervical orifice guiding part 1, the adjustable positioning lengthened part 2 and the vaginal orifice positioning end part 3 are of round chamfer type structures, the inner ends of the positioning cervical orifice guiding part 1, the adjustable positioning lengthened part 2 and the vaginal orifice positioning end part 3 are respectively provided with an inserting piece groove 4 which are communicated with each other in a matching mode, a lead piece 8 is inserted in the inserting piece groove 4, one end of the vaginal orifice positioning end part 3 is provided with an angle display unit 5, the angle display unit 5 is an angle scale gauge, and the positioning cervical orifice guiding part 1, the adjustable positioning lengthened part 2 and the vaginal orifice positioning end part 3 are formed into an integral structure by injection molding of medical grade polycarbonate or medical grade polyurethane.
Example two: the cervical positioning port guide part 1 comprises a guide sleeve 101, an applicator front end jack 102 and a positioner lengthening jack 103, the front end of the inner side of the guide sleeve 101 is provided with the applicator front end jack 102, the rear end of the inner side of the guide sleeve 101 is provided with the positioner lengthening jack 103, and other technical schemes are the same as those of the first embodiment.
Example three: the adjustable positioning extension part 2 is provided with at least one, the adjustable positioning extension part 2 comprises a positioner extension bolt 201 and a positioner adjusting seat 202 fixedly arranged at one end of the positioner extension bolt, the inner end of the positioner extension bolt 201 is provided with a source applicator middle end hole channel 203, the inner edge of the positioner adjusting seat 202 is provided with a central hole channel 204, and other technical schemes are the same as those of the first embodiment or the second embodiment.
Example four: the vaginal orifice positioning end part 3 is provided with two parts, including an end part bolt 301 and a positioning seat 302 fixedly arranged at one end, the positioning seat 302 and the end part bolt 301 are internally provided with applicator end part pore canals 303 which are mutually communicated, and other technical schemes are the same as those in the first embodiment, the second embodiment or the third embodiment.
Example five: the inner edges of the lengthened inserting hole 103 of the positioner and the central hole 204 are provided with thread bulges or thread grooves, the outer end surfaces of the lengthened inserting pin 201 of the positioner and the inserting pin 301 of the end part are provided with thread bulges or thread grooves, the lengthened inserting hole 103 of the positioner and the lengthened inserting pin 201 of the positioner are connected in a rotating separation mode, the central hole 204 and the inserting pin 301 of the end part are connected in a rotating separation mode, and other technical schemes are the same as those of the first embodiment, the second embodiment, the third embodiment or the fourth embodiment.
Example six: at least 1 slot 6 is formed at one end of each of the guide sleeve 101 and the locator adjusting seat 202, locating pieces 7 are arranged at the other end of each of the locator adjusting seat 202 and the locating seat 302, the locating pieces 7 are inserted into the slots 6, and the other technical schemes are the same as those of the first embodiment, the second embodiment, the third embodiment or the fourth embodiment.
Example seven: the positioning piece 7 is a threaded connecting piece, the positioning piece 7 is rotatably connected in the slot 6, and the other technical schemes are the same as those of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the sixth embodiment.
Example eight: at least 1 elastic clamping groove 10 is formed in each of the guide sleeve 101 and one end of the locator adjusting seat 202, a locating hook member 9 is fixedly arranged at the other end of the locator adjusting seat 202 and one end of the locating seat 302, the locating hook member 9 is elastically hooked in the elastic clamping groove 10, and the other technical schemes are the same as those in the first embodiment, the second embodiment, the third embodiment and the fourth embodiment.
The medical care personnel can also adopt an adjusting device to be matched with an applicator positioning device for use to treat a patient, the adjusting device for the applicator positioning device comprises a treatment bed and an adjusting component, one side of the treatment bed is downwards obliquely and fixedly provided with the adjusting component, the adjusting component comprises at least one group of oblique sliding groove plates arranged in a mirror image mode, a sliding block, a high-elasticity telescopic pipe, a connecting piece and a positioning adhesive sticker, sliding grooves are formed in the inner ends of the oblique sliding groove plates, one end of the sliding block is arranged in the sliding groove, the other end of the connecting piece penetrates through the sliding groove to be connected with the sliding block in a riveting mode, the other end of the sliding block is connected with the high-elasticity telescopic pipe, one end of the high-elasticity telescopic pipe is bonded with the positioning adhesive sticker, one end of the positioning adhesive sticker is provided with protective paper, a group of abdicating holes are formed in the protective paper, the positioning adhesive sticker in the abdicating holes is bonded with the applicator positioning adhesive sticker in the abdicating holes, and the applicator positioning device is fixedly bonded on the positioning adhesive sticker in the abdicating holes.
For the convenience of understanding the above technical solutions of the present invention, the following detailed descriptions of the above technical solutions of the present invention are provided by specific installation and use modes.
The specific installation process is as follows: before use, medical staff adds or reduces the adjustable positioning extension part 2 according to the length of the vagina of a patient so as to adjust adaptability, then a positioner extension pin 201 of the adjustable positioning extension part 2 is inserted into a positioner extension jack 103 of a guide sleeve 101 of the positioning cervical orifice guide part 1, the positioning cervical orifice guide part 1 is rotatably connected with the adjustable positioning extension part 2, then an end pin 301 of the vaginal orifice positioning end part 3 is inserted into a central hole channel 204 of the inner edge of a positioner adjusting seat 202 of the adjustable positioning extension part 2, then a positioning device is inserted into the vagina, the positioning device can push the back wall of the bladder and the front wall of the rectum away from an irradiation part, so that the radiation dose of the bladder and the rectum is reduced, the postoperative infection is avoided, the guide sleeve 101 of the positioning cervical orifice guide part 1 is connected into the cervix, then a lead sheet 8 is inserted into an insert groove 4, the part which does not need to be shielded, then the position of the part which needs treatment is found through an angle display unit 5, and a source applicator enters a front hole channel 203 of the applicator at the end part of the vaginal orifice positioning applicator through an angle, so as to carry out radiotherapy.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. An applicator positioning device, characterized by: the positioning device is provided with three parts, and comprises a positioning cervical orifice guide part (1), an adjustable positioning lengthened part (2) and a vaginal orifice positioning end part (3), wherein the positioning cervical orifice guide part (1) is connected with the adjustable positioning lengthened part (2) in an inserting or rotating separation way, the adjustable positioning lengthened part (2) is connected with the vaginal orifice positioning end part (3) in an inserting or rotating separation way, the corners of the positioning cervical orifice guide part (1), the adjustable positioning lengthened part (2) and the vaginal orifice positioning end part (3) are all in a circular chamfer type structure, the inner ends of the positioning cervical orifice guide part (1), the adjustable positioning lengthened part (2) and the vaginal orifice positioning end part (3) are all provided with mutually communicated insert grooves (4) in a matching way, one end of the vaginal orifice positioning end part (3) is provided with an angle display unit (5), and a lead insert (8) is inserted into the insert grooves (4);
the cervical locating port guiding part (1) comprises a guide sleeve (101), a donor front end jack (102) and a locator lengthened jack (103), the donor front end jack (102) is arranged at the front end of the inner side of the guide sleeve (101), and the locator lengthened jack (103) is arranged at the rear end of the inner side of the guide sleeve (101); the adjustable positioning lengthening part (2) is provided with at least one, the adjustable positioning lengthening part (2) comprises a positioner lengthening bolt (201) and a positioner adjusting seat (202) fixedly arranged at one end of the positioner lengthening bolt, a source applicator middle end pore canal (203) is arranged at the inner end of the positioner lengthening bolt (201), and a central pore canal (204) is arranged at the inner edge of the positioner adjusting seat (202);
the vaginal opening positioning end part (3) is provided with two parts, and comprises an end part bolt (301) and a positioning seat (302) fixedly arranged at one end, wherein end part pore canals (303) of the applicator, which are communicated with each other, are arranged in the positioning seat (302) and the end part bolt (301);
locator extension jack (103) and central pore canal (204) inner edge all are equipped with screw thread arch or thread groove, locator extension bolt (201) and tip bolt (301) outer end surface all are equipped with screw thread arch or thread groove, locator extension jack (103) are rotatory disconnect-type with locator extension bolt (201) and are connected, central pore canal (204) are rotatory disconnect-type with tip bolt (301) and are connected.
2. The applicator positioning device of claim 1, wherein: at least 1 slot (6) has all been seted up to guide pin bushing (101) and locator regulation seat (202) one end, locator regulation seat (202) other end and positioning seat (302) one end all are equipped with setting element (7), setting element (7) are pegged graft in slot (6), setting element (7) are threaded connection spare, setting element (7) swivelling joint is in slot (6).
3. The applicator positioning device of claim 1, wherein: at least 1 elastic clamping groove (10) has all been seted up to guide pin bushing (101) and locator regulation seat (202) one end, locator regulation seat (202) other end and positioning seat (302) one end are all fixed and are equipped with location hook piece (9), location hook piece (9) elastic hook connects in elastic clamping groove (10).
4. The applicator positioning device of claim 1, wherein: the positioning cervical orifice guiding part (1), the adjustable positioning lengthening part (2) and the vaginal orifice positioning end part (3) are of an integrally formed structure formed by injection molding of medical-grade polycarbonate or medical-grade polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110473085.5A CN113181540B (en) | 2021-04-29 | 2021-04-29 | Source applicator positioning device and fixing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110473085.5A CN113181540B (en) | 2021-04-29 | 2021-04-29 | Source applicator positioning device and fixing method thereof |
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| CN113181540A CN113181540A (en) | 2021-07-30 |
| CN113181540B true CN113181540B (en) | 2023-02-24 |
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| CN209286518U (en) * | 2018-08-13 | 2019-08-23 | 辽宁省肿瘤医院 | Gynaecology's near-range radiotherapy applicating device posterior vaginal wall baffle |
| CN211097104U (en) * | 2019-09-19 | 2020-07-28 | 韩晓惠 | Combined type conformal intensity-modulated rear-loading radiotherapy vaginal mold |
| CN215741339U (en) * | 2021-04-29 | 2022-02-08 | 伯格曼(江苏)医疗科技有限公司 | Source applicator positioning device |
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| CN113181540A (en) | 2021-07-30 |
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