CN203829476U - Implanting-needle source applicator template - Google Patents
Implanting-needle source applicator template Download PDFInfo
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- CN203829476U CN203829476U CN201420215083.1U CN201420215083U CN203829476U CN 203829476 U CN203829476 U CN 203829476U CN 201420215083 U CN201420215083 U CN 201420215083U CN 203829476 U CN203829476 U CN 203829476U
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- template
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- transplanting
- pin
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Abstract
The utility model discloses an implanting-needle source applicator template, and the template is in an all-in-one structure. The template comprises a front end face, a rear end face, and a supporting column which connects the front and rear end faces. The front end face is parallel to the rear end face. A plurality of needle holes, which passes through the front and rear end faces, are uniformly distributed on the template. The needle holes are parallel to each other, and the lengths of the needle holes are equal. The utility model provides the implanting needle channels, offers excellent support to the progress of the implanting needles, can accurately obtain the progress distances of the implanting needles through the length of the template, controls the inserting depths of the implanting needles, controls the inserting positions of the implanting needles through the positions of the channels on the template, greatly improves the implanting precision of the implanting needles, and offers a strong support to the treatment of a cervical cancer.
Description
Technical field
This utility model relates to radiation therapy technology field, is specifically related to a kind of for fixing and locate the apparatus for wave-energy source template of transplanting pin.
Background technology
Cervical cancer is one of clinical common gynecologic malignant tumor, and newly-increased case is many from developing country in recent years, and is rejuvenation trend, serious threat women's health.Radiotherapy is the important method for the treatment of of human cervical cancer, its indication is extensive: each phase invasive carcinoma of cervix all can adopt radiotherapy, be unsuitable for the cancer in situ patient of operation, also can adopt radiotherapy, and patients with terminal, should not row radical radiation therapy person, also can adopt radiotherapy row palliative therapy, to improve symptom, extending life.
Intracavitary afterloading therapy is the interior radiotherapy of cervical cancer, first will with the container of radioactive source, not put into uterine cavity or intravaginal, then by pipeline, radioactive source is sent into container from storage carrying shield, by distant control transporter, sends into radioactive source.Normal employing penetrates into the method in tumor by transplanting pin apparatus for wave-energy source clinically, to radioactive source, provide path of travel, can exactly radioactive source be positioned over to cancerous tumours region, make irradiation only have influence on radioactive source very limited region around, thereby reduce the irradiation dose that the normal structure far away apart from radioactive source is subject to.
In radiotherapy, need in tumor, accurately place a plurality of transplanting pins, by radiation plan, design, can improve better the conformal degree of target area.Generally, transplanting pin is implanted more intensive, and radiation dose distribution is better.But when transplanting pin is implanted, the degree of depth of thrusting of transplanting pin is had to accurate requirement.
When transplanting pin is used, metal buckle on transplanting pin front end folder, when buckle fore-end thrusts after tumor, is subject to buckle obstruction and can not continues to thrust conventionally, control the degree of depth of thrusting of transplanting pin, but this method exists many defects with this at present:
1. metal buckle has artifact under CT, affects scanning result, thereby planning analysis is brought to adverse effect; 2. be buckled in after having located and cannot take off, but it takes up room greatly, limited the use density of transplanting pin; 3. existing transplanting pin cannot be fixed, and causes easily intersecting to tilt between many transplanting pins, easily rocks, and can not meet the requirement of accurate radiotherapy.
Summary of the invention
For above-mentioned problems of the prior art, the purpose of this utility model is, provide a kind of in Patients During Radiotherapy for fixing and accurately control the transplanting pin apparatus for wave-energy source template of transplanting pin travel distance.
In order to realize above-mentioned task, this utility model by the following technical solutions:
A kind of transplanting pin apparatus for wave-energy source template, this template is integral type structure, the support column that comprises front end face, rear end face, connection front end face and rear end face, front end face is parallel with rear end face, in this template, be evenly distributed with a plurality of pin holes that run through front end face and rear end face, between pin hole, be parallel to each other and the identical length of pin hole with.
Further, described support column is cylinder, and its length is less than the length of transplanting pin.
Further, described front end face and rear end face are the rounded face identical with support column cross section size, and front end face and rear end face are all perpendicular to the axial line of support column.
Further, described front end face is the curved surface that size is identical with rear end face, and the outward flange of curved surface is circular, and this circular radius is identical with the radius of support column.
Further, described front end face is identical with rear end face size, and with the axial line of support column between be identical acute angle.
Further, on described front end face, be carved with the coordinate that is used to indicate pin hole endface position, front end face is divided into four regions.
This utility model compared with prior art has following technical characterstic:
1. transplanting needle passageway is provided in this utility model, for advancing of transplanting pin provides good support, can accurately draw by template length the travel distance of transplanting pin, control its insertion depth, by the on position of template upper channel Position Control transplanting pin, greatly improved the accurate degree that transplanting pin is implanted;
2. this utility model can keep absolute parallel between transplanting pin, there will not be the situation of intersection, thereby makes transplanting needle end part keep good attitude;
3. can utilize this template to insert equally spacedly a plurality of transplanting pins, and can control easily the density degree of transplanting pin, make radiation dose distribution reach optimum;
4. this template has been carried out good fixingly to transplanting pin, has solved and in prior art, has utilized gauze fixedly inconvenience, unsettled problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the structural representation of embodiment 3;
Fig. 4 is the application schematic diagram of embodiment 2;
Number in the figure representative: 1-front end face, 2-support column, 3-rear end face, 4-pin hole, 5-coordinate, 6-transplanting pin, 7-cervix uteri, 8-tumor, 9-uterus;
Below in conjunction with drawings and Examples, this utility model is described further.
The specific embodiment
Defer to technique scheme, as shown in Figure 1, a kind of transplanting pin apparatus for wave-energy source template, this template is integral type structure, comprises the support column 2 of front end face 1, rear end face 3, connection front end face 1 and rear end face 3, front end face 1 is parallel with rear end face 3.In this template, be evenly distributed with a plurality of pin holes 4 that run through front end face 1 and rear end face 3, between pin hole 4, be parallel to each other and the identical length of pin hole 4 with.Axial pass support column 2, the rear end face 3 of pin hole 4 from front end face 1 along support column 2, for transplanting pin 6 provides passage.
The aperture of pin hole 4 is slightly larger than the external diameter of transplanting pin 6, unsuitable excessive, can hold transplanting pin 6 and pass through.Strictly parallel between pin hole 4, and the identical length of each pin hole 4 is same.Meet after these conditions, this apparatus for wave-energy source template is placed on to patient's cervix uteri 7 collar extension front ends by patient's vagina, make the rear end face 3 of template as far as possible nearest with tumor 8.According to the CT sheet of tumor 8, determine the quantity of transplanting pin 6 and the degree of depth of each transplanting pin 6 that need implantation, then by pin hole 4, insert transplanting pins 6, as shown in Figure 4.
Because the identical length of each pin hole 4 is same, and strictly parallel between pin hole 4, therefore in transplanting pin 6 length certain in the situation that, only need to by the length of transplanting pin 6, deduct pin hole 4 length and transplanting pin 6 is stayed the length outside front end face 1, be the degree of depth that transplanting pin 6 inserts tumors 8.Therefore when transplanting pin 6 is implanted, only need to pay close attention to transplanting pin 6 stays the length outside front end face 1, convenient implantation; And strict parallel time between transplanting pin 6, obtained good fixingly, radiation is distributed and reach best.
In the situation that pin hole 4 is numerous, in order to coordinate with planned, make the implantation of transplanting pin 6 more accurate, on front end face 1, be provided with coordinate 5.This coordinate 5 is cross coordinate 5, and front end face 1 is divided into four regions, according to the scale of coordinate 5 and region, can accurately locate each transplanting pin 6 according to design and should from which pin hole 4, insert and insertion depth, thereby realize accurately location; Certainly also more coordinate axess can be set as required, divide more multizone, to adapt to different requirements.
Front end face 1, rear end face 3 and support column 2 are made by low density material, reduce as much as possible the impact on CT scan result.Support column 2 is to implant by patient's vagina, through a large amount of patients' clinical physiological data statistics and analysis, when support column 2 external diameters are 2.5～4cm, is applicable to most patients, especially when external diameter is 3.5cm, is advisable, and has good versatility; Support column 2 is set to cylinder, and its length is unsuitable long, considers the general length of existing transplanting pin 6, and transplanting pin 6 generally thrust the degree of depth, the length of support column 2 can meet the demand of existing various transplanting pins when 10～15cm, is preferably 10cm.According to planned needs, in pin hole 4 density, when larger, positioning precision is higher; With current positioning requirements, arrange pin hole 4 be spaced apart 5mm time optimum, also can, according to different positioning requirements, different intervals be set; For general transplanting pin 6, its diameter is in 1.8mm left and right, so the aperture of pin hole 4 should be arranged on 2mm left and right; And for the transplanting pin 4 of other models, pin hole 4, when arranging, only need be slightly larger than transplanting pin 6 diameters, the excessive distribution density that affects pin hole 4.
This utility model can be different dimensions batch production, during clinical use, with patient's physiological data, select the template of appropriate size.Its cost is low, is applicable to industrialization and produces, and uses safety and sanitation, can be used as disposable products, is expected to obtain good promotion and application.
Consider as the integral body of all pin holes 4 in a template is all drawn in the drawings, can seem that diagram is more random, therefore in Fig. 1 to Fig. 4, pin hole 4 (comprising the passage that pin hole 4 is axial) complete in each template has only illustrated several, so that its structure to be described, and all the other pin holes 4 have only drawn two ends, do not draw completely.
Embodiment 1
Meeting under the condition of above-mentioned technical characterictic, in the present embodiment, as shown in Figure 1, front end face 1 is set and rear end face 3 is rounded face, the radius of this rounded face is identical with the radius of support column 2, and the size of front end face 1 and rear end face 3 is identical with the cross section of support column 2, as shown in Figure 1, the template of this embodiment is applicable to the situation that tumor 8 is distributed in cervix uteri 7 collar extensions, and its advantage is accurate positioning.
Embodiment 2
In the present embodiment, it is the identical curved surface of size with rear end face 3 that front end face 1 is set, and convex surface is advisable, and as shown in Figure 2, the outward flange of curved surface is circular, and this circular radius is identical with the radius of support column 2.This template and cervix uteri mouth have better profile to adapt to, and darker for tumor 8 positions, the situation of 9 inside, more close uterus, can select this template.In addition, front end face 1, rear end face 3 shapes also can customize according to the actual requirements, can be also the curved surfaces of other shapes, as long as meet, the shape of two curved surfaces is identical, the length of assurance pin hole 4 is identical, does not affect the calculating of transplanting pin 6 length.
Embodiment 3
In this example, as shown in Figure 3, front end face 1 and rear end face 3 sizes are identical, and with the axial line of support column 2 between be identical acute angle, front end face 1 and rear end face 3 are ellipsoid, it is identical that it is shaped as the face of support column 2 being cut sth. askew and forming.This template is applicable to eccentricity tumor 8.
Above-mentioned introduction be only several preferred embodiments of this utility model, protection domain is not done to any restriction, any equal conversion of carrying out on this utility model scheme basis is all in protection domain of the present utility model.
Claims (7)
1. a transplanting pin apparatus for wave-energy source template, it is characterized in that, this template is integral type structure, the support column (2) that comprises front end face (1), rear end face (3), connection front end face (1) and rear end face (3), front end face (1) is parallel with rear end face (3), in this template, be evenly distributed with a plurality of pin holes (4) that run through front end face (1) and rear end face (3), between pin hole (4), be parallel to each other and the identical length of pin hole (4) with.
2. transplanting pin apparatus for wave-energy source template as claimed in claim 1, is characterized in that, described support column (2) is cylinder, and its length is less than the length of transplanting pin (6).
3. transplanting pin apparatus for wave-energy source template as claimed in claim 2, it is characterized in that, described front end face (1) and rear end face (3) are the rounded face identical with support column (2) cross section size, and front end face (1) and rear end face (3) are all perpendicular to the axial line of support column (2).
4. transplanting pin apparatus for wave-energy source template as claimed in claim 2, is characterized in that, described front end face (1) is the curved surface that size is identical with rear end face (3), and the outward flange of curved surface is circular, and this circular radius is identical with the radius of support column (2).
5. transplanting pin apparatus for wave-energy source template as claimed in claim 2, is characterized in that, described front end face (1) and rear end face (3) size is identical, and with the axial line of support column (2) between be identical acute angle.
6. the transplanting pin apparatus for wave-energy source template as described in arbitrary claim in claim 1 to 5, it is characterized in that, on described front end face (1), be carved with the coordinate (5) that is used to indicate pin hole (4) endface position, front end face (1) is divided into four regions.
7. the transplanting pin apparatus for wave-energy source template as described in arbitrary claim in claim 1 to 5, is characterized in that, the length of described support column (2) is 10～15cm, and external diameter is 2.5～4cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215083.1U CN203829476U (en) | 2014-04-29 | 2014-04-29 | Implanting-needle source applicator template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215083.1U CN203829476U (en) | 2014-04-29 | 2014-04-29 | Implanting-needle source applicator template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203829476U true CN203829476U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420215083.1U Expired - Fee Related CN203829476U (en) | 2014-04-29 | 2014-04-29 | Implanting-needle source applicator template |
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| CN (1) | CN203829476U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905851A (en) * | 2015-06-27 | 2015-09-16 | 唐山市人民医院 | Template device for puncture |
| CN109675207A (en) * | 2019-01-22 | 2019-04-26 | 天津大学 | A kind of surgical guide for cervical carcinoma afterloading radiotherapy |
| CN110082261A (en) * | 2019-04-16 | 2019-08-02 | 交通运输部公路科学研究所 | The penetrometer of a kind of auto positioning and its to needle method |
| CN112604144A (en) * | 2020-12-21 | 2021-04-06 | 张春林 | 3D prints multichannel model stopper of vagina and executes source ware |
-
2014
- 2014-04-29 CN CN201420215083.1U patent/CN203829476U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104905851A (en) * | 2015-06-27 | 2015-09-16 | 唐山市人民医院 | Template device for puncture |
| CN109675207A (en) * | 2019-01-22 | 2019-04-26 | 天津大学 | A kind of surgical guide for cervical carcinoma afterloading radiotherapy |
| CN110082261A (en) * | 2019-04-16 | 2019-08-02 | 交通运输部公路科学研究所 | The penetrometer of a kind of auto positioning and its to needle method |
| CN110082261B (en) * | 2019-04-16 | 2024-05-10 | 交通运输部公路科学研究所 | Automatic needle penetration instrument and needle alignment method thereof |
| CN112604144A (en) * | 2020-12-21 | 2021-04-06 | 张春林 | 3D prints multichannel model stopper of vagina and executes source ware |
| CN112604144B (en) * | 2020-12-21 | 2022-10-25 | 张春林 | 3D prints multichannel model stopper of vagina and executes source ware |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |