CN210145317U - Operation guide plate for postirradiation after cervical cancer - Google Patents
Operation guide plate for postirradiation after cervical cancer Download PDFInfo
- Publication number
- CN210145317U CN210145317U CN201920096625.0U CN201920096625U CN210145317U CN 210145317 U CN210145317 U CN 210145317U CN 201920096625 U CN201920096625 U CN 201920096625U CN 210145317 U CN210145317 U CN 210145317U
- Authority
- CN
- China
- Prior art keywords
- needle
- applicator
- hole
- guide plate
- plate
- 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
Images
Landscapes
- Radiation-Therapy Devices (AREA)
Abstract
The utility model discloses an operation guide plate for postloading radiotherapy of cervical cancer, which comprises an internal base plate inosculated with the cervical orifice, wherein the center of the internal base plate is provided with a source applicator trepanning, and the periphery of the source applicator trepanning is provided with an inserting needle through hole I; an external expanding ring plate is fixedly sleeved on the outer side of the internal substrate, and an inserting needle through hole II is formed in the external expanding ring plate. The utility model can enable doctors to visually determine the insertion depth of the applicator or the inserting needle, and is suitable for patients with different vagina lengths. The guide plate can be rotated according to different positions of the tumor, so that the needle channels are positioned at the tumor target positions as much as possible, and unnecessary needle channels are reduced. The size is divided into types, so that patients with different body sizes can be satisfied. In addition, the guide plate with larger needle path space can be provided with a sealing device, so that the shaking of the applicator or the inserting needle can be effectively reduced. Can assist the clinician to rationally arrange the inserting needle and the source applicator, make the dose planning more accurate, can greatly improve the precision and the reliability of operation.
Description
Technical Field
The patent of the utility model relates to the field of medical equipment, belong to machinery and the criss-cross forward position subject of medical radiotherapy field. Is an operation guide plate used for postradiotherapy operation of cervical cancer and assisting a clinician to reasonably arrange an inserting needle and a source applicator.
Background
Afterloading radiotherapy is a major technological innovation for the brachytherapy of gynecological malignant tumors. The after-loading radiotherapy refers to that a treatment container without a radioactive source is placed at a treatment part, and the radioactive source is sent into the treatment container by a computer remote control stepping motor for treatment, so that the target effect is stronger, the damage to normal tissues is smaller, and the method belongs to the emerging field with a very promising prospect. The development of the atomic industry around the 60 s of the 20 th century can provide radioactive sources required clinically. The development of automation technology ensures the sensitivity and reliability of the machine. The existing device has a high technical level, the curative effect is exact, the traditional treatment mode is broken through, and a new hope is brought to the treatment of malignant tumors.
The radiation therapy can accurately and safely deliver the radioactive source to the part of the patient to be treated for radiation therapy, and has the advantages that a, when the high dose rate of the high-activity radioactive source is used for irradiation, the irradiation time is only a few minutes to a dozen minutes each time, and the pain of the patient can be relieved; b. preoperative planning is carried out through a Treatment Planning System (TPS), and the dose distribution of a radioactive source is adjusted according to individual needs, so that tumor tissues are in a high-dose area, surrounding normal tissues are in a low-dose area, the radiation dose is obviously improved, and the damage to the normal tissues is small; c. the medical staff is protected well, and the radiation exposure can be avoided to the maximum extent; d. the uterine cavity and the vaginal applicator have various shapes, are suitable for various tumor lesions and anatomical structures, and have good adaptability.
The afterloading applicator plays a great role as a main carrier of afterloading radiotherapy, the performance and the quality of the afterloading applicator also influence the treatment effect closely, and the degree of pain of a patient during treatment and the smooth completion of the treatment are concerned. Dose planning based on conventional single-channel or three-channel applicators sometimes fails to completely cover the target volume due to limitations in lesion location and applicator structure. In response to this situation, the combination of the applicator and the insertion needle is carried out, and the inserted needle channel provides an additional residence channel for dose planning, so that the dose distribution result is more accurate, and more conformal treatment can be realized. However, clinical placement of the insertion needle and applicator is difficult because the target area is within the patient.
Disclosure of Invention
The utility model provides an operation guide plate which can assist the clinician to rationally arrange the inserting needle and the source applicator for solving the technical problems existing in the prior art.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: an operation guide plate for afterloading radiotherapy of cervical cancer comprises an internal base plate matched with a cervical orifice, wherein a source applicator trepanning is arranged in the center of the internal base plate, and insertion needle through holes I are formed in the periphery of the source applicator trepanning.
On the basis of the above scheme, the utility model discloses following improvement has still been made:
an external expanding ring plate is fixedly sleeved on the outer side of the internal substrate, and an inserting needle through hole II is formed in the external expanding ring plate.
And a T-shaped sealing ring I is arranged in the applicator sleeve hole.
A T-shaped sealing ring I is arranged in the applicator sleeve hole, and a T-shaped sealing ring II is arranged in the inserting needle through hole I and the inserting needle through hole II.
And the inner end surface and the outer end surface of the inner substrate are both provided with round corners.
And the outer sides of the inner end surface and the outer end surface of the outer expanding ring plate are provided with round corners.
The external expanding ring plate is fixedly connected with the internal base plate through a fastening screw extending along the radial direction.
The outer contour of the internal substrate is of a long circular structure, the length is 24mm, the width is 12.5mm, 12 inserting needle through holes I are uniformly arranged on the periphery of the applicator trepanning, the distance between every two adjacent inserting needle through holes I is 5mm, and the distance between every two adjacent applicator trepanning and the inserting needle through holes I is 5 mm; the outer contour of the outer expanding ring plate is of an oval structure, the length of a long shaft is 40mm, the length of a short shaft is 25mm, the upper portion, the lower portion, the left side portion and the right side portion of the outer expanding ring plate are respectively provided with 3 uniformly-arranged inserting needle through holes II, and the distance between the adjacent inserting needle through holes II and the inserting needle through holes I is 5 mm; the diameter of the applicator trepanning is 4 mm; insert and plant needle via hole I with insert and plant II diameters of needle via hole and be 2 mm.
The outer contour of the internal substrate is of an oval structure, the length of a long axis is 30mm, the length of a short axis is 24mm, 6 uniformly-arranged inserting needle through holes I are formed in the internal substrate, the circumferential distance between the inserting needle through holes I is 10mm, and the radial distance between the inserting needle through holes I and the applicator trepanning is 10 mm; the outer contour of the outer expanding ring plate is of a long circular structure, the length of the outer expanding ring plate is 40mm, the width of the outer expanding ring plate is 28mm, four corners of the outer expanding ring plate are respectively provided with a planting needle through hole II, and the radial distance between the planting needle through hole II and the applicator trepanning is 20 mm; the diameter of the applicator trepanning is 8 mm; the diameter of the inserting and planting needle through hole I and the diameter of the inserting and planting needle through hole II are 4 mm.
A T-shaped sealing ring I is arranged in the applicator sleeve hole, and a T-shaped sealing ring II is arranged in the inserting needle through hole I and the inserting needle through hole II.
The utility model has the advantages and positive effects that: the guide plate is positioned at the uterine cavity in the body, compared with the guide plate in the body, a doctor can visually determine the insertion depth of the applicator or the insertion needle, and the guide plate is suitable for patients with different vagina lengths. The guide plate is oval or oblong, and can be rotated according to different positions of the tumor, so that needle channels are positioned at the tumor target positions as much as possible, and unnecessary needle channels are reduced. The guide plate adopts a nested structure and is divided into a large size and a small size, so that patients with different body sizes can be satisfied. In addition, the guide plate with larger needle path space can be provided with a sealing device, so that the shaking of the applicator or the inserting needle can be effectively reduced. Therefore the utility model discloses can assist clinician rational arrangement to insert the needle and execute source ware, make the dose planning more accurate, can greatly improve the precision and the reliability of operation.
Drawings
Fig. 1-1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 1-2 are schematic structural views of embodiment 1 of the present invention with an external ring expanding plate;
fig. 1-3 are schematic structural views of an external expanding ring plate adopted in embodiment 1 of the present invention;
FIGS. 1 to 4 are schematic views of the application of embodiment 1 of the present invention;
FIGS. 1 to 5 are schematic views of the application of embodiment 1 of the present invention after installing an external ring expanding plate;
fig. 2-1 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 2-2 is a schematic structural view of embodiment 2 of the present invention with an external ring expanding plate;
fig. 2-3 are schematic structural views of the external expanding ring plate adopted in embodiment 2 of the present invention;
fig. 2-4 are schematic diagrams of the application of embodiment 2 of the present invention;
fig. 2-5 are application schematic diagrams of the embodiment 2 of the present invention after installing the external ring expanding plate.
In the figure: 1. tightening the screw; 2. an inner substrate; 2-1, sleeving a source applicator hole; 2-2, inserting a planting needle through hole I; 3. an outward expanding ring plate; 3-1, inserting a pin through hole II; 4-1, a T-shaped sealing ring I; 4-2, a T-shaped sealing ring II; 5. a source applicator; 6. inserting the planting needle.
Detailed Description
In order to further understand the contents, features and functions of the present invention, the following application examples are illustrated and described in detail with reference to the accompanying drawings:
referring to the drawings, the concept of the present invention is: an operation guide plate for afterloading radiotherapy of cervical cancer comprises an inner base plate 2 matched with a cervical orifice, an applicator trepan 2-1 is arranged in the center of the inner base plate 2, and insertion needle through holes I2-2 are formed in the periphery of the applicator trepan 2-1.
In order to enlarge the application range of the surgical guide plate and provide for more patients to use, the size of the surgical guide plate can be enlarged, the specific structure is that an outer expanding ring plate 3 is fixedly sleeved on the outer side of the inner base plate 2, and an inserting needle through hole II 3-1 is formed in the outer expanding ring plate 3. Generally, the diameter of the transplanting pin through hole II 3-1 is the same as that of the transplanting pin through hole I2-2. When the diameter of the applicator trepanning 2-1, the transplanting needle through hole II 3-1 and the transplanting needle through hole I2-2 is larger, a T-shaped sealing ring I4-1 is arranged in the applicator trepanning 2-1, and a T-shaped sealing ring II 4-2 is arranged in the transplanting needle through hole I2-2 and the transplanting needle through hole II 3-1, so that the applicator and the transplanting needle are fixed conveniently. Because the operation baffle is placed in the patient, the outline need directly with human contact, the inside and outside terminal surface of inside base plate 2 all is equipped with the fillet to cause the injury to the patient. In a similar way, the outer sides of the inner end surface and the outer end surface of the outer expanding ring plate 3 are provided with round corners. The utility model discloses recommend outer expand the crown plate 3 with inside base plate 2 is through along 1 rigid couplings of radial extension's holding screw.
Example 1:
referring to fig. 1-5, an operation guide plate for afterloading radiotherapy of cervical cancer comprises an inner base plate 2 matched with a cervical orifice, an applicator trepan 2-1 is arranged in the center of the inner base plate 2, and an implantation needle through hole i 2-2 is arranged around the applicator trepan 2-1.
The outer contour of the internal substrate 2 is of an oblong structure, the length is 24mm, the width is 12.5mm, 12 uniformly-arranged inserting needle through holes I2-2 are formed in the periphery of the applicator trepanning 2-1, the distance between every two adjacent inserting needle through holes I2-2 is 5mm, and the distance between every two adjacent applicator trepanning 2-1 and every adjacent inserting needle through hole I2-2 is 5 mm.
In order to expand the application range of the surgical guide plate and provide for more patients, the size of the surgical guide plate can be enlarged, and the specific structure is that an outer expanding ring plate 3 is fixedly sleeved on the outer side of an inner base plate 2, the outer contour of the outer expanding ring plate 3 adopts an elliptical structure, the length of a long shaft is 40mm, the length of a short shaft is 25mm, 3 uniformly-arranged inserting needle through holes II 3-1 are respectively arranged at the upper part, the lower part, the left side part and the right side part of the outer expanding ring plate 3, and the distance between the adjacent inserting needle through holes II 3-1 and the inserting needle through holes I2-2 is 5 mm; the diameter of the applicator trepanning 2-1 is 4 mm; the diameter of the inserting and planting needle through hole I2-2 and the diameter of the inserting and planting needle through hole II 3-1 are 2 mm.
When the cervical dilator is used, the applicator 5 is firstly placed in a proper position in a cervix, then the internal base plate 2 or a combination body of the internal base plate 2 and the external expanding ring plate 3 which is sterilized at high temperature and high pressure is sleeved on the applicator 2 and is placed at the cervix, the operation guide plate is rotated to a proper position, the inserting needle 6 is inserted, the inserting depth is determined according to the scale marks on the inserting needle 6, and gauze is filled in a vagina for fixation after the inserting operation is completed.
Example 2:
referring to fig. 2-1-2-5, an operation guide plate for afterloading radiotherapy of cervical cancer comprises an inner base plate 2 matched with the cervical orifice, an applicator trepan 2-1 is arranged in the center of the inner base plate 2, and an implantation needle through hole i 2-2 is arranged around the applicator trepan 2-1.
The outer contour of the internal substrate 2 is of an oval structure, the length of a long axis is 30mm, the length of a short axis is 24mm, 6 uniformly-arranged inserting needle through holes I2-2 are formed in the internal substrate 2, the circumferential distance between the inserting needle through holes I2-2 is 10mm, and the radial distance between the inserting needle through holes I2-2 and the applicator trepanning 2-1 is 10 mm.
In order to expand the application range of the surgical guide plate and provide for more patients, the size of the surgical guide plate can be enlarged, and the specific structure is that an outer expanding ring plate 3 is fixedly sleeved on the outer side of an inner base plate 2, the outer contour of the outer expanding ring plate 3 adopts an oblong structure, the length is 40mm, the width is 28mm, four corners of the outer expanding ring plate 3 are respectively provided with an inserting needle through hole II 3-1, and the radial distance between the inserting needle through hole II 3-1 and an applicator sleeve hole 2-1 is 20 mm; the diameter of the applicator trepanning 2-1 is 8 mm; the diameter of the inserting and planting needle through hole I2-2 and the diameter of the inserting and planting needle through hole II 3-1 are 4 mm.
Compared with the guide plate in the embodiment 1, as the distance and the aperture are increased and enough space is provided for arranging the sealing device, T-shaped sealing rings made of medical silicon rubber materials can be respectively arranged in the applicator trepanning hole 2-1 and the implantation needle through hole I2-2, the specific structure is that the T-shaped sealing ring I4-1 is arranged in the applicator trepanning hole 2-1, and the T-shaped sealing rings II 4-2 are arranged in the implantation needle through hole I2-2 and the implantation needle through hole II 3-1, so that the shaking of the applicator and the implantation needle can be reduced. In order to facilitate a doctor to determine the insertion depth according to the scale marks on the outer wall of the applicator or the insertion needle, the sum of the thickness of the guide plate and the thickness of the head part of the sealing ring is 10 mm.
When in use, the applicator 5 is firstly placed in a proper position in the cervix, then the inner base plate 2 or the combination of the inner base plate 2 and the outer ring expanding plate 3 which is sterilized at high temperature and high pressure is sleeved on the applicator 2 and is placed at the cervix, and is rotated to a proper position, the T-shaped sealing ring 4-1 is sleeved outside the applicator 5 by tweezers and is plugged into the gap between the applicator 5 and the applicator trepanning 2-1, so that the applicator 5 is fixed in the applicator trepanning 2-1; then inserting the inserting needle 6, determining the inserting depth according to the scale marks on the inserting needle 6, sleeving the T-shaped sealing ring 4-2 outside the inserting needle 6 by using forceps, inserting the inserting needle 6 into the gap between the inserting needle 6 and the through hole thereof to fix the inserting needle 6 in the through hole thereof, and filling gauze in the vagina to fix the inserting needle after the inserting operation is finished.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the scope of the present invention.
Claims (9)
1. An operation guide plate for afterloading radiotherapy of cervical cancer is characterized by comprising an internal base plate which is inosculated with a cervical orifice, wherein the center of the internal base plate is provided with a source applicator trepanning, and the periphery of the source applicator trepanning is provided with an inserting needle through hole I; an external expanding ring plate is fixedly sleeved on the outer side of the internal substrate, and an inserting needle through hole II is formed in the external expanding ring plate.
2. The surgical guide plate for afterloading radiotherapy of cervical cancer according to claim 1, wherein a T-shaped sealing ring I is arranged in the applicator sleeve hole.
3. The surgical guide plate for afterloading radiotherapy of cervical cancer according to claim 1, wherein a T-shaped sealing ring I is arranged in the applicator sleeve hole, and T-shaped sealing rings II are arranged in the insertion needle through hole I and the insertion needle through hole II.
4. The surgical guide plate for afterloading radiotherapy of cervical cancer according to claim 1, wherein the inner and outer end surfaces of the inner base plate are provided with round corners.
5. The surgical guide plate for afterloading radiotherapy of cervical cancer according to claim 1, wherein the outer sides of the inner and outer end surfaces of the outer expanding ring plate are provided with round corners.
6. The surgical guide for afterloader radiotherapy of cervical cancer according to claim 1, wherein the outer expanding ring plate is affixed to the inner base plate by radially extending set screws.
7. The surgical guide plate for afterloading radiotherapy of cervical cancer according to claim 1, wherein the outer contour of the inner substrate adopts an oblong structure, the length is 24mm, the width is 12.5mm, 12 insertion needle through holes I are uniformly arranged on the periphery of the applicator trepanning, the distance between two adjacent insertion needle through holes I is 5mm, and the distance between the adjacent applicator trepanning and the insertion needle through holes I is 5 mm;
the outer contour of the outer expanding ring plate is of an oval structure, the length of a long shaft is 40mm, the length of a short shaft is 25mm, the upper portion, the lower portion, the left side portion and the right side portion of the outer expanding ring plate are respectively provided with 3 uniformly-arranged inserting needle through holes II, and the distance between the adjacent inserting needle through holes II and the inserting needle through holes I is 5 mm;
the diameter of the applicator trepanning is 4 mm; insert and plant needle via hole I with insert and plant II diameters of needle via hole and be 2 mm.
8. The surgical guide plate for afterloading radiotherapy of cervical cancer according to claim 1, wherein the outer contour of the internal substrate adopts an elliptical structure, the length of the long axis is 30mm, the length of the short axis is 24mm, 6 uniformly arranged inserting needle through holes I are arranged on the internal substrate, the circumferential distance between the inserting needle through holes I is 10mm, and the radial distance between the inserting needle through holes I and the applicator sleeve hole is 10 mm;
the outer contour of the outer expanding ring plate is of a long circular structure, the length of the outer expanding ring plate is 40mm, the width of the outer expanding ring plate is 28mm, four corners of the outer expanding ring plate are respectively provided with a planting needle through hole II, and the radial distance between the planting needle through hole II and the applicator trepanning is 20 mm;
the diameter of the applicator trepanning is 8 mm; the diameter of the inserting and planting needle through hole I and the diameter of the inserting and planting needle through hole II are 4 mm.
9. The surgical guide plate for afterloading radiotherapy of cervical cancer according to claim 8, wherein a T-shaped sealing ring I is arranged in the applicator sleeve hole, and T-shaped sealing rings II are arranged in the insertion needle through hole I and the insertion needle through hole II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920096625.0U CN210145317U (en) | 2019-01-22 | 2019-01-22 | Operation guide plate for postirradiation after cervical cancer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920096625.0U CN210145317U (en) | 2019-01-22 | 2019-01-22 | Operation guide plate for postirradiation after cervical cancer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210145317U true CN210145317U (en) | 2020-03-17 |
Family
ID=69754524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920096625.0U Active CN210145317U (en) | 2019-01-22 | 2019-01-22 | Operation guide plate for postirradiation after cervical cancer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210145317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675207A (en) * | 2019-01-22 | 2019-04-26 | 天津大学 | A kind of surgical guide for cervical carcinoma afterloading radiotherapy |
-
2019
- 2019-01-22 CN CN201920096625.0U patent/CN210145317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675207A (en) * | 2019-01-22 | 2019-04-26 | 天津大学 | A kind of surgical guide for cervical carcinoma afterloading radiotherapy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220347489A1 (en) | Dosimetrically customizable brachytherapy carriers and methods thereof in the treatment of tumors | |
| US8226539B2 (en) | Brachytherapy apparatus for asymmetrical body cavities | |
| Kirisits et al. | The Vienna applicator for combined intracavitary and interstitial brachytherapy of cervical cancer: design, application, treatment planning, and dosimetric results | |
| Martinez et al. | A multiple-site perineal applicator (MUPIT) for treatment of prostatic, anorectal, and gynecologic malignancies | |
| US7556596B2 (en) | Adaptive intracavitary brachytherapy applicator | |
| US7534202B2 (en) | System and method for high dose rate radiation intracavitary brachytherapy | |
| Demanes et al. | The use and advantages of a multichannel vaginal cylinder in high-dose-rate brachytherapy | |
| EP1968702A1 (en) | Brachytherapy apparatus | |
| CN112604144B (en) | 3D prints multichannel model stopper of vagina and executes source ware | |
| EP2635347B1 (en) | Expandable brachytherapy apparatus | |
| CN211273221U (en) | Individualized vagina inserting and planting template | |
| CN110152208A (en) | Combine transplanting applicating device | |
| US20140309478A1 (en) | Devices and methods for treatment of cancers | |
| CN109675207A (en) | A kind of surgical guide for cervical carcinoma afterloading radiotherapy | |
| CN107998518B (en) | Manufacturing method of individualized auxiliary device for cervical cancer cavity combined parauterine implantation treatment | |
| CN210145317U (en) | Operation guide plate for postirradiation after cervical cancer | |
| WO2015142316A1 (en) | Dosimetrically customizable brachytherapy carriers and methods thereof in the treatment of tumors | |
| CN208405798U (en) | Transplanting brachytherapy template between a kind of cervical cancer tissues | |
| Yoshida et al. | Daily CT measurement of needle applicator displacement during multifractionated high-dose-rate interstitial brachytherapy for postoperative recurrent uterine cancer | |
| CN213158924U (en) | Inserting needle source applicator template | |
| Tu et al. | Clinical implementation of three-dimensional standardized template-guided brachytherapy for patients with locally advanced cervical cancer | |
| WO2020091714A1 (en) | Vaginal intensity modulated brachytherapy (imbt) applicator | |
| CN214971265U (en) | Multichannel afterloading treatment device for vagina | |
| CN204293677U (en) | A kind of plant type single tube applicating device | |
| CN217366922U (en) | 3D printing vagina needle application device for insertion treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |