CN110152208B - Combined planting source applicator - Google Patents
Combined planting source applicator Download PDFInfo
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- CN110152208B CN110152208B CN201910458672.XA CN201910458672A CN110152208B CN 110152208 B CN110152208 B CN 110152208B CN 201910458672 A CN201910458672 A CN 201910458672A CN 110152208 B CN110152208 B CN 110152208B
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- sleeve
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- assembly
- fixing cap
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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
-
- 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
- A61N2005/101—Magazines or cartridges for seeds
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- 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)
- Prostheses (AREA)
Abstract
本发明公开了一种组合插植施源器，包括套筒、固定帽和若干组合块，所述套筒的一端设有呈球缺形状的密封件,所述固定帽可拆卸连接于所述套筒的另一端，所述固定帽上设有通孔；所述套筒的内侧壁上沿其周向均匀分布有若干用于对组合块限位的限位板，所述组合块上设有与限位板对应的卡槽，所述组合块设于所述套筒内，并通过所述限位板限位后与其组合块拼接成圆柱体；所述组合块上与密封件贴合连接的一端呈弧形；所述组合块的表面沿其轴线方向设有缺口，所述组合块的中心沿其轴线方向设有用于安装插植针的插入孔，且所有组合块拼接后形成的缺口为用于安装腔内施源器的放置孔。具有可根据患者情况自由组合、满足患者个体化治疗的优点。
The present invention discloses a combined implant source applicator, comprising a sleeve, a fixing cap and a plurality of combination blocks, one end of the sleeve is provided with a sealing member in the shape of a spherical segment, the fixing cap is detachably connected to the other end of the sleeve, and the fixing cap is provided with a through hole; the inner side wall of the sleeve is evenly distributed along its circumference with a plurality of limit plates for limiting the combination block, the combination block is provided with a card slot corresponding to the limit plate, the combination block is arranged in the sleeve, and is spliced into a cylinder with the combination block after being limited by the limit plate; one end of the combination block that is fitted and connected with the sealing member is arc-shaped; the surface of the combination block is provided with a notch along its axial direction, the center of the combination block is provided with an insertion hole for installing an implant needle along its axial direction, and the notch formed after all the combination blocks are spliced is a placement hole for installing an intracavitary source applicator. It has the advantages of being able to be freely combined according to the patient's condition and satisfying the individualized treatment of the patient.
Description
Technical Field
The invention relates to the technical field of radiotherapy, in particular to a combined transplanting source applicator.
Background
Cervical cancer is one of the more common malignant tumors of women in China, and according to the latest national cancer statistics data issued by the national cancer center in 2018, the cervical cancer is positioned at the 6 th position of the incidence rate of the female tumors, and the incidence rate is 6.04%. Radiotherapy is one of three means of cervical cancer treatment, and in vitro radiotherapy is combined and then is a standard mode of cervical cancer radiotherapy. The cervical lesion screening work in China is not sound, and partial patients are advanced in local period when being diagnosed. External irradiation is combined with simple intracavity afterloading treatment, so that the external irradiation has better curative effect on early cervical cancer, but has limitation on local advanced cervical cancer. The post-implantation treatment can be performed according to the target area shape, but the simple post-implantation treatment can easily lead to insufficient dose in the cervical center area, and the satisfactory dose distribution can be obtained in the treatment mode of intra-cavity and inter-tissue implantation. However, the existing intra-cavity + transplanting technology has the problems of long flow time, few types of individual transplanting applicators, high requirements on the proficiency of doctors and the like.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a combined transplanting source applicator which has the advantages of being capable of being freely combined according to the condition of a patient and meeting the individual treatment of the patient.
In order to achieve the above purpose, the invention adopts the following technical scheme: the combined transplanting source applicator comprises a sleeve, a fixing cap and a plurality of combined blocks, wherein a sealing piece in a ball-segment shape is arranged at one end of the sleeve, the fixing cap is detachably connected to the other end of the sleeve, and a through hole is formed in the fixing cap;
A plurality of limiting plates used for limiting the combined blocks are uniformly distributed on the inner side wall of the sleeve along the circumferential direction of the sleeve, clamping grooves corresponding to the limiting plates are formed in the combined blocks, and the combined blocks are arranged in the sleeve and spliced with the combined blocks to form a cylinder after being limited by the limiting plates; one end of the combined block is attached to the inner side wall of the sealing piece, and the other end of the combined block is attached to the fixing cap;
One end of the combined block, which is in fit connection with the sealing element, is arc-shaped; the surface of the combined block is provided with a notch along the axis direction of the combined block, the center of the combined block is provided with an insertion hole for installing an insertion needle along the axis direction of the combined block, the notch formed after all the combined blocks are spliced is a placement hole for installing an applicator in the cavity, and the diameter of the through hole is larger than the diameter of an internal common tangent circle of all the insertion holes.
One end of the sleeve is in a sphere-like shape, so that the sleeve can be well attached to the tail end of the vagina; set up a plurality of locating parts on the sleeve inside wall for the rotation can not appear after the combined block is installed in the sleeve, be equipped with the fixed cap simultaneously at telescopic other end in order to prevent combined block landing sleeve in the use, be equipped with the through-hole simultaneously on the fixed cap, in order to expose the patchhole with placing the hole, the implantation of convenient insertion needle.
Preferably, an opening for exposing the applicator is formed in the sealing member of the sleeve, and the insertion hole and the placement hole are exposed from the opening.
The opening is provided in the seal of the sleeve to allow the sleeve to be formed in both a distal penetrating type and a distal non-penetrating type, with the physician selecting either the distal penetrating type or the distal non-penetrating type depending on the actual needs of the patient.
Preferably, one end of the combination block in an arc shape comprises a clamping part and a jointing part, the radian of the clamping part is matched with the radian of the inner side wall at the bottom of the sleeve, and the radian of the jointing part is matched with the radian of the outer side wall at the bottom of the sleeve; the combined block is arranged in the sleeve with the opening, and the bayonet part is attached to the inner side wall of the sealing piece of the sleeve and then forms a sphere gap with the attaching part.
The combined block is arc-shaped and one end comprises a clamping part and a fitting part, the clamping part is fitted with the inner side wall of the sleeve sealing piece, then a ball gap is formed between the clamping part and the fitting part, and when the sleeve with the penetrating tail end is adopted, the insertion source applicator extends into the patient to be better fitted with the tail end of the vagina.
Preferably, the clamping groove is located in the middle of the outer side wall of the combined block, and the clamping groove is arranged along the axial direction of the combined block.
The clamping grooves are arranged in the middle of the outer side wall of the combined block or on two sides of the outer side wall of the combined block, and the clamping grooves are arranged along the axial direction of the combined block so as to facilitate positioning of the combined block.
Preferably, the clamping grooves are located on two sides of the outer side wall of the combined block, and the clamping grooves are arranged along the axis direction of the combined block. .
The clamping groove is arranged, the width of the clamping groove is 1/2 of the width of the limiting plate, and the length of the limiting plate is matched with the length of the clamping groove so as to prevent a gap from being formed after the assembly block is assembled.
The beneficial effects of the invention are as follows:
(1) The applicators are freely combined according to the condition of the patient, so that the individual treatment requirement of the patient is met;
(2) The applicator can be reused after disinfection, so that the economic burden of a patient is reduced;
(3) The diameter of the sleeve is determined only according to gynecological examination conditions of a patient, the combined block is determined by image data, a long-time waiting process such as 3D printing is not needed, and the waiting time of the patient is shortened;
(4) The pin holes in the combined block have different angles, so that the inserting difficulty of doctors is reduced;
(5) After the proper sleeve diameter is selected, the vagina is prevented from being stuffed by using the gauze or cotton ball, and the pain of a patient is relieved;
(6) After the sleeve is implanted, the method performs image scanning before the combined block and the insertion needle are inserted, and as the sleeve has a good fixing effect, the organ deformation caused by the implantation of the applicator can be effectively reduced, and the insertion accuracy is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a tip non-penetrating type implantable applicator according to an embodiment of the combined implantable applicator of the present invention;
FIG. 2 is a schematic view of the sleeve of an end non-penetrating type of an embodiment of a combined implantable applicator according to the present invention;
FIG. 3 is a schematic block diagram of an embodiment of a combined implantable applicator according to the present invention;
FIG. 4 is a schematic view of the structure of the retaining cap of an embodiment of the combined insertion applicator of the present invention;
FIG. 5 is a schematic view of the sleeve of an end penetration type insertion applicator according to an embodiment of the combined insertion applicator of the present invention;
FIG. 6 is a schematic view of the overall structure of a tip penetration type insertion applicator according to an embodiment of the combined insertion applicator of the present invention;
FIG. 7 is a schematic view of the overall cross-section of a tip penetration type insertion applicator according to an embodiment of the combined insertion applicator of the present invention;
FIG. 8 is a schematic view of the overall construction of a modular block of an embodiment of a modular plug-in applicator according to the present invention;
FIG. 9 is a schematic overall construction of an embodiment of a combined implantable applicator according to the present invention;
Reference numerals illustrate:
1. A sleeve; 2. a fixing cap; 3. a combination block; 4. a through hole; 5. a limiting plate; 6. a clamping groove; 7. an insertion hole; 8. placing the hole; 9. an opening; 10. a notch; 11. a clamping part; 12. a bonding part; 13. and a seal.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
As shown in fig. 1,2,3, 4, 8 and 9, a combined transplanting source applicator comprises a sleeve 1, a fixing cap 2 and a plurality of combined blocks 3, wherein a sealing piece 13 in a spherical segment shape is arranged at one end of the sleeve 1, the fixing cap 2 is detachably connected to the other end of the sleeve 1, and a through hole 4 is arranged on the fixing cap 2;
A plurality of limiting plates 5 used for limiting the combined block 3 are uniformly distributed on the inner side wall of the sleeve 1 along the circumferential direction of the sleeve, clamping grooves 6 corresponding to the limiting plates 5 are formed in the combined block 3, and the combined block 3 is arranged in the sleeve 1 and is combined and spliced with the sleeve 1 into a cylinder after being limited by the limiting plates 5; one end of the combined block 3 is attached to the inner side wall of the sealing piece 13, and the other end is attached to the fixing cap 2;
One end of the combined block 3, which is in fit connection with the sealing element 13, is arc-shaped; the surface of the combined block 3 is provided with a notch 10 along the axis direction, the center of the combined block 3 is provided with an insertion hole 7 for installing an insertion needle along the axis direction, the notch 10 formed after all the combined blocks 3 are spliced is a placement hole 8 for installing an intra-cavity applicator, and the diameter of the through hole 4 is larger than the diameter of an internal common tangent circle of all the insertion holes 7.
The sealing element 13 of the sleeve 1 is in a sphere-like shape, so that the sleeve 1 can be well attached to the tail end of the vagina; set up a plurality of locating parts on sleeve 1 inside wall for the rotation can not appear after the assembly piece 3 is installed in sleeve 1, be equipped with fixed cap 2 simultaneously at sleeve 1's the other end in order to prevent assembly piece 3 landing out sleeve 1 in the use, be equipped with through-hole 4 simultaneously on fixed cap 2, in order to expose insertion hole 7 and placement hole 8, the implantation of convenient insertion planting needle.
Example 2:
As shown in fig. 5 to 7, in this embodiment, on the basis of embodiment 1, an opening 9 through which the applicator is exposed is provided in the sealing member 13 of the sleeve 1, and the insertion hole 7 and the placement hole 8 are exposed from the opening.
The provision of the opening 9 in the seal 13 of the sleeve 1 is intended to allow the sleeve 1 to be formed in both an end-penetrating type and an end-non-penetrating type, the physician selecting either the end-penetrating type or the end-non-penetrating type depending on the actual needs of the patient.
Example 3:
1-9, in this embodiment, on the basis of embodiment 1, one end of the combination block 3 in an arc shape includes a bayonet part 11 and a fitting part 12, where the radian of the bayonet part 11 matches the radian of the inner side wall of the bottom of the sleeve 1, and the radian of the fitting part 12 matches the radian of the outer side wall of the bottom of the sleeve 1; the combined block 3 is installed in the sleeve 1 provided with an opening, and the bayonet part 11 is attached to the inner side wall of the sealing member 13 of the sleeve 1 and then forms a sphere gap with the attaching part.
The arc-shaped end of the combined block 3 comprises a clamping part 11 and a fitting part 12, the clamping part 11 is fitted with the inner side wall of the bottom of the sleeve 1, and then forms a ball gap with the fitting part 12, so that the end of the insertion source applicator extending into the patient body is better fitted with the tail end of the vagina when the tail end penetrating type sleeve 1 is adopted.
Example 4:
As shown in fig. 1,3, 6, 8 and 9, in this embodiment, on the basis of embodiment 1, the clamping groove 6 is located in the middle of the outer side wall of the combined block 3, and the clamping groove 6 is disposed along the axial direction of the combined block 3.
The clamping grooves 6 are positioned in the middle of the outer side wall of the combined block 3 or on two sides of the outer side wall of the combined block 3, and the clamping grooves 6 are all arranged along the axial direction of the combined block 3 so as to facilitate positioning of the combined block 3.
Example 5:
As shown in fig. 1 to 3, in this embodiment, on the basis of embodiment 1, the clamping grooves 6 are located on both sides of the outer side wall of the combined block 3, and the clamping grooves 6 are disposed along the axial direction of the combined block 3.
The clamping groove 6 is arranged, the width of the clamping groove 6 is 1/2 of the width of the limiting plate 5, and the length of the limiting plate 5 is matched with the length of the clamping groove 6 so as to prevent gaps from being formed after the combined block 3 is assembled, and the later dose irradiation precision is affected.
In the specific embodiments for treating cervical cancer patients:
1) The preparation of the patient before the implantation, such as intestinal tract treatment, placement of a urethral catheterization package, instrument disinfection and the like.
2) And selecting whether to use the intrauterine cavity for treatment, if so, implanting the intrauterine cavity, and if not, skipping the step, and executing the step 3).
3) The appropriate size of the sleeve 1 is selected according to the vaginal condition of the patient, the tip-penetrating sleeve 1 is implanted, and the sleeve 1 and the uterine cavity tube (if used) are secured with a fixing bracket.
4) And scanning the image of the patient, and determining and recording the needle inserting angle and the needle inserting depth of the inserting needle in a certain direction according to the image of the patient.
5) The combination block 3 to be used in a certain direction is determined according to the diameter of the sleeve 1 and the recorded needle inserting angle.
6) The combination block 3 in a certain determined direction is inserted into the corresponding direction in the sleeve 1, the fixing cap 2 is screwed, and the combination block 3 is prevented from sliding.
7) Marking points are made at the connecting ends of the inserting needles according to the length of the sleeve 1 and the recorded inserting needle depth, and the marking point positions = inserting needle length- (the length of an inserting hole in the combined block 3 plus the inserting needle depth).
8) And implanting the inserting needle to the mark point position. The number of the inserting needle can be selected in the step, and the number of the inserting needle is guaranteed to be consistent with the number of the reconstructed applicator in the planning and design process.
9) And performing image scanning after the insertion needle is implanted, determining the target area and the position of the organs at risk, and properly adjusting if the angle and the depth of the insertion needle are unsatisfactory.
10 And (3) drawing a target area and organs at risk according to the image after the implantation of the implantation needle, giving a prescription, and designing a treatment plan and irradiating.
11 And (3) taking out the insertion needle and the combined insertion source applicator after treatment is finished, removing the fixing cap 2, taking out the combined block 3, and cleaning and sterilizing. The patient is subjected to the next treatment.
Treatment of vaginal off-center tumors:
1) Preparation of the patient before treatment, such as intestinal tract treatment, placement of a urinary catheter, disinfection of the apparatus, etc.
2) The size of the sleeve 1 and the matched combined block 3 are selected according to the vagina condition of a patient, the combined block 3 is inserted into the non-penetrating sleeve 1 at the tail end, the fixing cap 2 is screwed down to prevent the combined block 3 from sliding,
3) The sleeve 1 is fixed by a fixing bracket by an implantation combined implantation source applicator.
4) And scanning the image of the patient, and delineating the target area and the organs at risk according to the image after the combined implantation source is inserted.
5) Given a prescription, a treatment plan is designed. In this process, it is determined whether or not a certain direction combination block 3 is implanted with the insertion needle according to the target area and the position of the organs at risk.
6) The top of the pin is inserted to the bottom of the directional combination block 3, namely the end of the non-penetrating sleeve 1, and the point of the pin reconstructed in the step 5) is also shown.
7) And (5) treating.
8) And taking out the transplanting needle and the combined transplanting source applicator after treatment is finished, removing the fixing cap 2, taking out the combined block 3, and cleaning and sterilizing. The patient is subjected to the next treatment.
Treatment for rectal cancer:
1) Preparation of the patient before treatment, such as intestinal tract treatment, placement of a urinary catheter, disinfection of the apparatus, etc.
2) The size of the sleeve 1 and the matched combined block 3 are selected according to the rectum condition of a patient, the combined block 3 is inserted into the non-penetrating sleeve 1 at the tail end, the fixing cap 2 is screwed down to prevent the combined block 3 from sliding,
3) The sleeve 1 is fixed by a fixing bracket by an implantation combined implantation source applicator.
4) And scanning the image of the patient, and delineating the target area and the organs at risk according to the image after the combined implantation source is inserted.
5) Given a prescription, a treatment plan is designed. In this process, it is determined whether or not a certain direction combination block 3 is implanted with the insertion needle according to the target area and the position of the organs at risk.
6) The top of the pin is inserted to the bottom of the directional combination block 3, namely the end of the non-penetrating sleeve 1, and the point of the pin reconstructed in the step 5) is also shown.
7) And (5) treating.
8) And taking out the transplanting needle and the combined transplanting source applicator after treatment is finished, removing the fixing cap 2, taking out the combined block 3, and cleaning and sterilizing. The patient is subjected to the next treatment.
The fixing device mentioned in the present invention is an existing fixing device for radiotherapy.
The foregoing examples merely illustrate specific embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458672.XA CN110152208B (en) | 2019-05-29 | 2019-05-29 | Combined planting source applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458672.XA CN110152208B (en) | 2019-05-29 | 2019-05-29 | Combined planting source applicator |
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| CN110152208A CN110152208A (en) | 2019-08-23 |
| CN110152208B true CN110152208B (en) | 2024-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910458672.XA Active CN110152208B (en) | 2019-05-29 | 2019-05-29 | Combined planting source applicator |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569275B (en) * | 2020-03-31 | 2022-03-01 | 中国医学科学院北京协和医院 | Nested inserting needle source applicator |
| CN111298278B (en) * | 2020-03-31 | 2022-03-01 | 中国医学科学院北京协和医院 | A ball-head catheter implantation needle applicator |
| CN112169188A (en) * | 2020-09-09 | 2021-01-05 | 四川大学华西第二医院 | Cervical cancer is inserted between tissue and is planted needle deformable applicator template |
| CN113018672B (en) * | 2021-03-16 | 2022-10-14 | 河南科技大学第一附属医院 | Source applicator and source application system for radiotherapy of anal canal cancer |
| CN113018706B (en) * | 2021-03-22 | 2022-07-26 | 广州富瑞价值医疗健康产业有限公司 | Treatment needle of multichannel vagina afterloading treatment device and fixing method of treatment tube |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210205624U (en) * | 2019-05-29 | 2020-03-31 | 四川省肿瘤医院 | Combined transplanting source applicator |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2914340B1 (en) * | 2012-11-05 | 2020-10-14 | Nucletron Operations B.V. | Methods of making a medical applicator |
| CN104225808A (en) * | 2014-09-30 | 2014-12-24 | 成都思维智造科技有限公司 | Individual near-distance treatment source applicator and manufacturing method thereof |
| CN107530047B (en) * | 2015-04-10 | 2020-06-12 | 核通运营有限公司 | Brachytherapy system |
| CN205055184U (en) * | 2015-10-10 | 2016-03-02 | 中国医学科学院北京协和医院 | Resident ware in scattered formula source of executing is driven to palace intracavity |
| CN205073544U (en) * | 2015-10-10 | 2016-03-09 | 中国医学科学院北京协和医院 | Resident ware in combination column bull source of executing |
| CN207342039U (en) * | 2017-04-18 | 2018-05-11 | 吉林大学 | Combined gynaecology's applicating device |
| CN208552887U (en) * | 2017-07-18 | 2019-03-01 | 麦苗青 | Multichannel vagina after-loading therapy device |
| US10814142B2 (en) * | 2017-10-23 | 2020-10-27 | Best Medical International, Inc. | Intracavitary applicator for a medical procedure |
| CN109675207A (en) * | 2019-01-22 | 2019-04-26 | 天津大学 | A kind of surgical guide for cervical carcinoma afterloading radiotherapy |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210205624U (en) * | 2019-05-29 | 2020-03-31 | 四川省肿瘤医院 | Combined transplanting source applicator |
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Application publication date: 20190823 Assignee: SICHUAN HUASHU TULING ADDITIVE MANUFACTURING TECHNOLOGY Co.,Ltd. Assignor: SICHUAN CANCER Hospital Contract record no.: X2025980010860 Denomination of invention: Combination planting and application device Granted publication date: 20241115 License type: Exclusive License Record date: 20250619 |