CN110613518A - Thermoplastic mold positioning template and positioning method thereof - Google Patents
Thermoplastic mold positioning template and positioning method thereof Download PDFInfo
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- CN110613518A CN110613518A CN201910971414.1A CN201910971414A CN110613518A CN 110613518 A CN110613518 A CN 110613518A CN 201910971414 A CN201910971414 A CN 201910971414A CN 110613518 A CN110613518 A CN 110613518A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
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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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3407—Needle locating or guiding means using mechanical guide means including a base for support on the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3966—Radiopaque markers visible in an X-ray image
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3983—Reference marker arrangements for use with image guided surgery
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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
- A61N2005/1012—Templates or grids for guiding the introduction of sources
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
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- Veterinary Medicine (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Radiology & Medical Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The invention discloses a thermoplastic mold positioning template and a positioning method thereof, wherein the thermoplastic mold positioning template comprises a bottom plate, a plastic template and a thermoplastic template, the plastic template is detachably connected with the bottom plate, the plastic template is matched with a prone position of a patient, the thermoplastic template is attached to the body of the patient and stretches across the patient to be detachably connected with the bottom plate, and an inserting needle template is detachably mounted on the thermoplastic template.
Description
Technical Field
The invention relates to the technical field of brachytherapy, in particular to a thermoplastic mold positioning template and a positioning method thereof.
Background
In the brachytherapy and needle biopsy of cancers such as lung cancer, an inserting needle is required to be inserted into a tumor region to perform brachytherapy or accurately position to perform needle biopsy, reasonable needle distribution can maximize the tumor dose and optimally protect surrounding normal tissues, rapid positioning can improve the needle biopsy efficiency, and lesion tissues can be taken out to the maximum extent. At present, the insertion operation and the puncture biopsy are carried out, or the needle arrangement is carried out by the subjective experience of a doctor without tools, and the method has high requirements on the clinical skill of the doctor and strong uncertainty. Or the needle is distributed by adopting a mode of fixing the auxiliary template, the method is convenient to operate and high in reliability, and pre-planning can be implemented, so that a doctor can aim at the needle distribution process. However, this method requires the use of robotic arms, which are very expensive and not affordable by many primary hospitals.
Disclosure of Invention
The invention aims to provide a thermoplastic mold positioning template and a positioning method thereof, which are used for fixing a patient and an insertion needle template to a plastic template by matching with the thermoplastic mold template without adopting a mechanical arm on the premise of ensuring safe, convenient and effective needle distribution, are convenient for doctors to accurately distribute needles and save cost.
The purpose of the invention is realized by the following technical scheme:
a thermoplastic mold positioning template comprises a bottom plate, a plastic template and a thermoplastic template, wherein the plastic template is detachably connected with the bottom plate, the plastic template is matched with a prone position of a patient, the thermoplastic template is attached to the body of the patient and stretches across the patient to be detachably connected with the bottom plate, and an inserting needle template is detachably mounted on the thermoplastic template.
Furthermore, a groove is formed in the bottom plate, and a convex block matched with the groove is installed on the bottom surface of the plastic template.
Furthermore, four sockets are arranged at two side ends of the bottom plate, the four sockets are divided into two groups and symmetrically distributed at the two side ends of the bottom plate, and plugs matched with the sockets are arranged at two ends of the thermoplastic template.
Furthermore, four jacks which are longitudinally arranged are arranged in the length direction of the socket.
Furthermore, the thermoplastic template is provided with a mounting opening, mortises are formed around the inserting needle template, and tenons matched with the mortises are arranged on the side wall of the mounting opening.
Further, insert and plant and install lock needle mechanism on the needle template, lock needle mechanism includes a plurality of the installations insert plant on the template external screw thread needle way and with external screw thread needle way screw-thread fit inserts plant the needle installation department, insert plant the needle with insert plant needle installation department fixed connection.
Further, the plastic template is a plastic template made of a vacuum pad or foamed plastic.
The method for positioning the thermoplastic mold positioning template is characterized in that the thermoplastic mold positioning template is used for positioning, and comprises the following steps:
s1, customizing a plastic template, pre-judging the interpolation or puncture part of the patient, and customizing the plastic template according to the sleeping posture of the patient;
s2, installing the plastic template, fixing the patient to the plastic template, and installing the plastic template on the base plate.
S3, determining an accurate interpolation or puncture position, enabling the plastic template and the bottom plate with the fixed patient to enter a CT (computed tomography) scanner together with the patient for scanning, and marking the body surface position of the patient;
and S4, heating the thermoplastic template, installing the implanting template at the corresponding position of the thermoplastic template according to the mark area of the body surface of the patient, heating the thermoplastic template and installing the thermoplastic template on the bottom plate.
The invention has the beneficial effects that:
1) according to the thermoplastic mold positioning template, the plastic template and the bottom plate as well as the thermoplastic template and the bottom plate are detachably connected, so that a doctor and a technician can conveniently operate the thermoplastic mold positioning template; the plasticity template can be customized according to patient's body appearance, can laminate patient's health and fix the lower of accomplishing the disease on the bottom plate with better through the plasticity template, the thermoplasticity template has the thermoplasticity and heats to about 65 and become soft, can carry out individuation moulding, paste in the patient surface, harden after the moulding cooling according to patient's body surface profile, again will insert and plant the needle template and install and play the fixed action on the thermoplasticity template, accomplish going up of disease fixed, can keep patient and insert the fixed of relative position between the needle template through the mode of fixing from top to bottom, avoid patient's breathing to inserting the vibrations influence of planting the needle template, the accuracy nature of interpolation position has been guaranteed, avoid repeated contact pin to the injury of patient.
2) The thermoplastic mold positioning template is low in cost and easy to operate, and brings great convenience to primary hospitals which are difficult to purchase mechanical arms.
Drawings
FIG. 1 is a schematic view of a patient-mounted, in-use position of a thermo-molding locating template of the present invention;
FIG. 2 is a schematic structural view of a plastic template of the present invention;
FIG. 3 is a schematic structural diagram of the base plate of the present invention;
FIG. 4 is a schematic view of a socket structure of the base plate of the present invention;
FIG. 5 is a schematic view of the bottom structure of the plastic form of the present invention;
FIG. 6 is a schematic structural view of a thermoplastic template of the present invention;
FIG. 7 is a schematic structural view of the insertion needle template of the present invention;
in the figure, 1-bottom plate, 101-groove, 102-socket, 103-jack, 2-plastic template, 201-lug, 3-thermoplastic template, 301-plug, 302-mounting hole, 303-tenon, 4-planting needle template, 401-mortise, 5-external thread needle channel and 6-planting needle mounting part.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
Referring to fig. 1-7, the present invention provides a technical solution:
referring to fig. 1-7, a thermoplastic mold positioning template comprises a bottom plate 1, a plastic template 2 and a thermoplastic template 3, wherein the plastic template 2 is detachably connected with the bottom plate 1, the plastic template 2 is matched with a prone position of a patient, the thermoplastic template 3 is attached to the body of the patient and stretches across the patient to be detachably connected with the bottom plate 1, and an implant inserting needle template 4 is detachably mounted on the thermoplastic template 3.
The plastic template 2 is matched and customized with a prone position body of a patient and is installed on the bottom plate 1 to realize lower fixation on the patient, the thermoplastic template 3 is attached to the body of the patient and fixedly connected with the bottom plate 1 in a manner of crossing the patient, so that upper fixation on the patient is realized, the inserting needle template 4 is installed on the thermoplastic template 3, the inserting needle template 4 and a to-be-inserted needle or a puncture part of the patient are relatively fixed in a manner of fixing the patient up and down, the vibration influence of the patient breathing on the inserting needle template 4 is avoided, the accuracy of an interpolation position is ensured, and the injury of the patient caused by repeated inserting needles is avoided.
Referring to fig. 3, a groove 101 is formed in the bottom plate 1, and a protrusion 201 matched with the groove 101 is installed on the bottom surface of the plastic template 2.
The cooperation of the groove 101 and the projection 201 can realize the quick assembly and disassembly of the bottom plate 1 and the plastic template 2.
Preferably, the plastic form 2 is a plastic form 2 made of a vacuum pad or foamed plastic.
The matching manner of the grooves 101 and the protrusions 201 is also intended for some patients, such as very fat patients, which can not fit the vacuum pad or the foam molding template, or other patients with special requirements that the vacuum pad or the foam molding template is not used for molding.
Referring to fig. 4, four sockets 102 are disposed at both side ends of the bottom plate 1, the four sockets 102 are divided into two groups and symmetrically disposed at both side ends of the bottom plate 1, and plugs 301 matched with the sockets 102 are disposed at both ends of the thermoplastic template 3.
The cooperation of the plug 301 and the socket 102 can realize the quick assembly and disassembly of the bottom plate 1 and the thermoplastic template 3.
Referring to fig. 4, four insertion holes 103 are longitudinally arranged in the length direction of the socket 102.
The purpose of the longitudinal arrangement of receptacles 103 is to select receptacles 103 according to the patient's obesity.
Referring to fig. 6 to 7, a mounting opening 302 is formed in the thermoplastic template 3, a mortise 401 is formed around the insertion needle template 4, and a tenon 303 matched with the mortise 401 is formed on a side wall of the mounting opening 302.
Referring to fig. 6-7, the inserting needle template 4 is provided with a needle locking mechanism, the needle locking mechanism comprises a plurality of external thread needle ways 5 arranged on the inserting needle template and an inserting needle mounting part 6 in threaded fit with the external thread needle ways 5, and the inserting needle is fixedly connected with the inserting needle mounting part 6.
The method for positioning the thermoplastic mold positioning template is characterized in that the thermoplastic mold positioning template is used for positioning, and comprises the following steps:
s1, customizing the plastic template 2, pre-judging the interpolation or puncture part of the patient, and customizing the plastic template 2 according to the sleeping posture of the patient;
s2, installing the plastic template 2, fixing the patient to the plastic template 2, and installing the plastic template 2 on the base plate 1.
Specifically, after the patient is fixed to the plastic template 2 customized according to the sleeping posture of the patient, the projection 201 of the plastic template 2 is fitted into the groove 101 on the base plate 1, and the lower fixation is completed.
S3, determining an accurate interpolation or puncture position, enabling the plastic template 2 with the fixed patient and the bottom plate 1 to enter a CT (computed tomography) scanner together with the patient for scanning, and marking the body surface position of the patient;
specifically, the plastic template 2 and the bottom plate 1 with the patient fixed thereon enter a CT scanner to scan along with the patient, and after an accurate interpolation or puncture position is determined, a mark is made on the body surface of the position.
S4, heating the thermoplastic template 3, installing the implanting template at the corresponding position of the thermoplastic template 3 according to the mark area of the body surface of the patient, heating the thermoplastic template 3 and installing the thermoplastic template 3 on the bottom plate 1.
Specifically, do mark customization heat according to the body surface and mould 3, set up installing port 302 in the corresponding position of heat moulding template 3, to insert plant needle template 4 and install on installing port 302, then mould 3 to 65 about becoming soft is moulded to the heating heat, it is moulding to individualize the patient, paste on the patient surface, it is moulding according to patient body surface profile, harden after the cooling, play fixed action, can keep the patient and insert the fixed of relative position between the needle template 4 through the mode of fixing from top to bottom, avoid patient's breathing to inserting the vibrations influence of planting needle template 4, the accuracy nature of interpolation position has been guaranteed, avoid repeated contact pin to the injury of patient.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A thermoplastic mold locating template is characterized in that: including bottom plate (1), plastic template (2) and thermoplastic template (3), plastic template (2) and bottom plate (1) can be dismantled and be connected, plastic template (2) and the cooperation of disease prone position size, thermoplastic template (3) and disease body laminating and span the disease with bottom plate (1) can be dismantled and be connected, demountable installation has the needle template of inserting planting (4) on thermoplastic template (3).
2. The thermoplastic mold locating template of claim 1, wherein: a groove (101) is formed in the bottom plate (1), and a convex block (201) matched with the groove (101) is installed on the bottom surface of the plastic template (2).
3. The thermoplastic mold locating template of claim 1, wherein: four sockets (102) are respectively arranged at two side ends of the bottom plate (1), the four sockets (102) are divided into two groups which are symmetrically distributed at two side ends of the bottom plate (1), and plugs (301) matched with the sockets (102) are arranged at two ends of the thermoplastic template (3).
4. The thermoplastic mold locating template of claim 3, wherein: four jacks (103) which are longitudinally arranged are arranged in the length direction of the socket (102).
5. The thermoplastic mold locating template of claim 1, wherein: the thermoplastic template (3) is provided with a mounting opening (302), mortises (401) are formed in the periphery of the inserting needle template (4), and tenons (303) matched with the mortises (401) are arranged on the side wall of the mounting opening (302).
6. The thermoplastic mold locating template of claim 5, wherein: insert and plant and install lock needle mechanism on needle template (4), lock needle mechanism includes a plurality of installations and is in insert plant on the template external screw thread needle way (5) and with external screw thread needle way (5) screw-thread fit inserts and plants needle installation department (6), insert plant the needle with insert and plant needle installation department (6) fixed connection.
7. The thermoplastic mold locating template of claim 1, wherein: the plastic template (2) is a plastic template (2) made of a vacuum pad or foamed plastic.
8. A method of positioning a thermoplastic mold positioning template, characterized in that positioning is performed using the thermoplastic mold positioning template of any of claims 1-7, comprising the steps of:
s1, customizing a plastic template (2), pre-judging an interpolation or puncture part of the patient, and customizing the plastic template (2) according to the sleeping posture of the patient;
s2, installing the plastic template (2), fixing the patient on the plastic template (2), and installing the plastic template (2) on the bottom plate (1).
S3, determining an accurate interpolation or puncture position, enabling the plastic template (2) with the fixed patient and the bottom plate (1) to enter a CT (computed tomography) scanner together with the patient for scanning, and marking the body surface position of the patient;
s4, heating the thermoplastic template (3), installing the implanting template at the corresponding position of the thermoplastic template (3) according to the mark area of the body surface of the patient, heating the thermoplastic template (3) and installing the thermoplastic template (3) on the bottom plate (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971414.1A CN110613518B (en) | 2019-10-14 | 2019-10-14 | Thermoplastic mold positioning template and positioning method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910971414.1A CN110613518B (en) | 2019-10-14 | 2019-10-14 | Thermoplastic mold positioning template and positioning method thereof |
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| CN110613518A true CN110613518A (en) | 2019-12-27 |
| CN110613518B CN110613518B (en) | 2020-11-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202912A (en) * | 2020-01-13 | 2020-05-29 | 北京肿瘤医院(北京大学肿瘤医院) | Patient fixing device based on vacuum pad and thermoplastic net manufactured by integrated plate |
| CN112843496A (en) * | 2020-12-31 | 2021-05-28 | 西南医科大学附属医院 | Manufacturing platform and manufacturing method of radiotherapy mold |
| CN113244516A (en) * | 2021-07-05 | 2021-08-13 | 真实维度科技控股(珠海)有限公司 | Non-coplanar puncture template manufacturing method based on bony multipoint positioning and template |
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| US20140039451A1 (en) * | 2012-08-06 | 2014-02-06 | Mahalaxmi Gita Bangera | Devices and methods for wearable injection guides |
| CN105555197A (en) * | 2014-02-19 | 2016-05-04 | Qfix系统有限责任公司 | Adjustable immobilizer apparatus and method for immobilizing a patient |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113244516A (en) * | 2021-07-05 | 2021-08-13 | 真实维度科技控股(珠海)有限公司 | Non-coplanar puncture template manufacturing method based on bony multipoint positioning and template |
| CN113244516B (en) * | 2021-07-05 | 2021-10-08 | 真实维度科技控股(珠海)有限公司 | Non-coplanar puncture template manufacturing method based on bony multipoint positioning and template |
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