阅读说明：本技术 一种新型妇瘤3d打印插植辅助装置 (Novel gynaecology's tumour 3D prints to insert and plants supplementary device ) 是由 高玉华 曹阳 李卓 魏晶 矫亮 于 2020-05-12 设计创作，主要内容包括：本发明属于医疗技术领域,尤其涉及一种新型妇瘤3D打印插植辅助装置。其可以实现术前插植模拟,术中精准定位插植引导,提高穿刺精度和操作效率,降低操作难度。包括底板,其特征在于,所述底板包括可相互分离的两部分：转运床板和固定底座；且两部分可拆卸式连接；转运床板上从前至后依次设置有脚蹬托架、插植模板及热塑膜片；插植模板竖直设置于转运底板上,且插植模板上设置有基准块、十字定位孔、导尿管通道、阴道塞通道、直肠管通道及针道孔；热塑膜片横跨转运床板；脚蹬托架有两个,分列于转运床板一端两对侧；当固定底座与转运床板相连时,固定底座位于两脚蹬托架之间。(The invention belongs to the technical field of medical treatment, and particularly relates to a novel gynecological tumor 3D printing and inserting auxiliary device. It can realize inserting the simulation of planting before the art, and the guide is inserted to accurate location in the art, improves puncture precision and operating efficiency, reduces the operation degree of difficulty. Comprising a bottom plate, characterized in that the bottom plate comprises two parts which can be separated from each other: a transfer bed plate and a fixed base; the two parts are detachably connected; the transfer bed board is sequentially provided with a pedal bracket, an inserting and planting template and a thermoplastic membrane from front to back; the inserting and planting template is vertically arranged on the transferring bottom plate, and a reference block, a cross positioning hole, a urethral catheterization channel, a vaginal plug channel, a rectal channel and a needle channel hole are arranged on the inserting and planting template; the thermoplastic membrane spans across the transfer bed plate; the two pedal brackets are respectively arranged at two opposite sides of one end of the transfer bed plate; when the fixed base is connected with the transfer bed board, the fixed base is positioned between the two pedal brackets.)

1. The utility model provides a novel gynaecology's tumour 3D prints and inserts supplementary device, includes the bottom plate, its characterized in that, the bottom plate includes two parts that can alternate segregation: a transfer bed plate and a fixed base; the two parts are detachably connected;

the transfer bed board is sequentially provided with a pedal bracket, an inserting and planting template and a thermoplastic membrane from front to back;

the inserting and planting template is vertically arranged on the transferring bottom plate, and a reference block, a cross positioning hole, a urethral catheterization channel, a vaginal plug channel, a rectal channel and a needle channel hole are arranged on the inserting and planting template;

the thermoplastic membrane spans across the transfer bed plate;

the two pedal brackets are respectively arranged at two opposite sides of one end of the transfer bed plate;

when the fixed base is connected with the transfer bed board, the fixed base is positioned between the two pedal brackets.

2. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 1, wherein: the vagina plug fixing device is characterized in that a strip-shaped guide rail is arranged on the fixing base, a square sliding block is arranged on the strip-shaped guide rail, a supporting plate is arranged on the square sliding block, a through groove is formed in the supporting plate, a fixing block used for fixing the vagina plug is assembled in the through groove, a clamping bolt is arranged on the fixing block, the clamping bolt is in threaded connection with the fixing block, the clamping bolt sequentially penetrates through the fixing block and the through groove, and one end of the through groove is fastened and positioned through.

3. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 1, wherein: the square sliding block is connected with the strip-shaped guide rail in a sliding manner, and a puller bolt for positioning is arranged on the square sliding block; when the sliding block slides forwards and backwards to a certain proper position along the strip-shaped guide rail, the puller bolt is rotated, the depth of the puller bolt entering the sliding block is adjusted, and the purpose that the puller bolt jacks the guide rail is achieved.

4. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 1, wherein: the first pedal bracket is arranged on one side of the transfer bed board, and the second pedal bracket is arranged on the other side of the transfer bed board; the two pedal brackets have the same structure and respectively comprise an arc-shaped supporting plate, supporting legs for supporting the arc-shaped supporting plate and auxiliary rods for assisting in supporting the supporting legs; the arc-shaped supporting plate is arranged at the top of the supporting leg, one end of the supporting leg is fixed on the upper surface of the transfer bed plate, the end part of the supporting leg can rotate relative to the transfer bed plate, and the other end of the supporting leg is connected with the bottom of the arc-shaped supporting plate; the auxiliary rod is obliquely arranged relative to the supporting leg, one end of the auxiliary rod is hinged with the transfer bed board, the other end of the auxiliary rod is connected with the supporting leg through a hoop, the other end of the auxiliary rod is rotatably connected with the hoop, and the hoop is clamped on the periphery of the supporting leg; and the auxiliary rod adopts a telescopic rod.

5. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 4, wherein: the first pedal bracket is arranged on one side of the transfer bed board, and the second pedal bracket is arranged on the other side of the transfer bed board; the two pedal brackets have the same structure and respectively comprise an arc-shaped supporting plate, supporting legs for supporting the arc-shaped supporting plate and auxiliary rods for assisting in supporting the supporting legs; the arc-shaped supporting plate is arranged at the top of the supporting leg, one end of the supporting leg is fixed on the upper surface of the transfer bed plate, the end part of the supporting leg can rotate relative to the transfer bed plate, and the other end of the supporting leg is connected with the bottom of the arc-shaped supporting plate; the auxiliary rod is obliquely arranged relative to the supporting leg, one end of the auxiliary rod is hinged with the transfer bed board, the other end of the auxiliary rod is connected with the supporting leg through a hoop, the other end of the auxiliary rod is rotatably connected with the hoop, and the hoop is clamped on the periphery of the supporting leg; and the auxiliary rod adopts a telescopic rod.

6. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 1, wherein: the transferring bed plate is made of carbon fiber materials.

7. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 1, wherein: a trapezoidal opening is arranged at the front end of the transfer bed plate and between the two pedal bracket supports; the left side and the right side of the trapezoidal opening are respectively provided with a wedge-shaped guide rail, the fixed base is of a plate-shaped structure, the shape of the fixed base is matched with that of the trapezoidal opening, and when the fixed base and the trapezoidal opening are connected, the fixed base is filled in the trapezoidal opening; the unable adjustment base bottom is provided with the wedge recess, and this wedge recess and wedge guide rail adaptation pass through wedge recess and wedge guide rail, and unable adjustment base is detachable continuous with the transport bed board.

8. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 1, wherein: two ends of the thermoplastic membrane are respectively connected with the transfer bed board in a sliding way; the transfer bed board is provided with a guide groove with an opening at one side, the two ends of the thermoplastic membrane are provided with buckles, and the thermoplastic membrane is connected with the transfer bed board in a sliding mode through the buckles and the guide groove.

9. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 1, wherein: the thermoplastic film is an A edge film with the model number of R902-1A produced by Guangzhou Kelairuidi medical equipment, Inc.

10. The novel gynecologic tumor 3D printing and inserting auxiliary device according to claim 1, wherein: the inserting template is printed in a 3D mode and comprises wide heads on two sides and a narrow part in the middle; the first wide head is arranged in parallel with the transfer bed board, the second wide head is provided with a fixing hole, and the second wide head is detachably connected with the transfer bed board through a screw and the fixing hole; a reference block and a cross positioning hole are arranged on the first wide head; the narrow part is provided with a urethral catheter channel, a vaginal plug channel, a needle hole and a rectal tube channel from top to bottom in sequence.

Technical Field

The invention belongs to the technical field of medical treatment, and particularly relates to a novel gynecological tumor 3D printing and inserting auxiliary device.

Background

Cervical cancer and endometrial cancer are common gynecological malignancies. As the HPV vaccination is a living mode which is just developed and westernized in China, the incidence rate of cervical cancer in China is still only increased and not reduced in recent years, the incidence rate of endometrial cancer is also slightly increased, and the five-year survival rate of the treatment of advanced cervical cancer and recurrent cervical cancer is particularly lower. Therefore, it is important to improve the treatment technology of brachytherapy and improve the quality of life of patients living for a long time. The three-dimensional intracavity and insertion technology is one of the ways of radical treatment of cervical cancer and endometrial cancer.

The insertion and internal irradiation is to insert the insertion needles into the tumor through the skin, and the insertion needles are required to be uniformly distributed according to the morphological structure of the tumor and simultaneously avoid organs at risk such as bones, bladder, rectum and the like. Because brachytherapy follows an inverse dose-to-square distance relationship, the change in distance results in an exponential dose change, i.e., high volume in the central near source, and the surrounding organs at risk are rapidly shed. Therefore, the traditional Chinese medicine composition is an indispensable treatment means for cervical cancer, endometrial cancer and various malignant tumors.

The traditional insertion is based on CT guidance to perform free-hand or plane standard template puncture, and the puncture precision is poor, the efficiency is low, and the operation difficulty is high, so that the technology is difficult to popularize and apply in gynecological after-loading radiotherapy.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a novel gynecological tumor 3D printing and inserting auxiliary device, which can realize preoperative inserting simulation, and accurate positioning and inserting guidance in the operation, improves the puncture precision and the operation efficiency, and reduces the operation difficulty.

In order to achieve the purpose, the invention adopts the following technical scheme, which comprises a bottom plate and is characterized in that the bottom plate comprises two parts which can be separated from each other: a transfer bed plate and a fixed base; the two parts are detachably connected; the transfer bed board is sequentially provided with a pedal bracket, an inserting and planting template and a thermoplastic membrane from front to back; the inserting and planting template is vertically arranged on the transferring bottom plate, and a reference block, a cross positioning hole, a urethral catheterization channel, a vaginal plug channel, a rectal channel and a needle channel hole are arranged on the inserting and planting template;

the thermoplastic membrane spans across the transfer bed plate; the pedal bracket has two, arranges in transporting two contralateral sides of bed board one end separately.

When the fixed base is connected with the transfer bed board, the fixed base is positioned between the two pedal brackets; the vagina plug fixing device is characterized in that a strip-shaped guide rail is arranged on the fixing base, a square sliding block is arranged on the strip-shaped guide rail, a supporting plate is arranged on the square sliding block, a through groove is formed in the supporting plate, a vagina plug fixing block used for fixing a vagina plug is assembled in the through groove, a clamping bolt is arranged on the fixing block, the clamping bolt is in threaded connection with the fixing block, the clamping bolt sequentially penetrates through the fixing block and the through groove, and one end of the through groove is fastened and positioned through.

Furthermore, a square sliding block is connected with the strip-shaped guide rail in a sliding manner, and a puller bolt for positioning is arranged on the square sliding block; when the sliding block slides forwards and backwards to a certain proper position along the strip-shaped guide rail, the puller bolt is rotated, the depth of the puller bolt entering the sliding block is adjusted, and the purpose that the puller bolt jacks the guide rail is achieved.

Furthermore, the first pedal bracket is arranged on one side of the transfer bed board, and the second pedal bracket is arranged on the other side of the transfer bed board; the two pedal brackets have the same structure and respectively comprise an arc-shaped supporting plate, supporting legs for supporting the arc-shaped supporting plate and auxiliary rods for assisting in supporting the supporting legs; the arc-shaped supporting plate is arranged at the top of the supporting leg, one end of the supporting leg is fixed on the upper surface of the transfer bed plate, the end part of the supporting leg can rotate relative to the transfer bed plate, and the other end of the supporting leg is connected with the bottom of the arc-shaped supporting plate; the auxiliary rod is obliquely arranged relative to the supporting leg, one end of the auxiliary rod is hinged with the transfer bed board, the other end of the auxiliary rod is connected with the supporting leg through a hoop, the other end of the auxiliary rod is rotatably connected with the hoop, and the hoop is clamped on the periphery of the supporting leg; and the auxiliary rod adopts a telescopic rod.

Furthermore, the support leg adopts a universal transmission shaft and a PTO transmission shaft of Jiangsu Feidaer group.

Further, the transferring bed plate is made of carbon fiber materials.

Furthermore, a trapezoidal opening is formed in the front end of the transfer bed plate and between the two pedal bracket supports; the left side and the right side of the trapezoidal opening are respectively provided with a wedge-shaped guide rail, the fixed base is of a plate-shaped structure, the shape of the fixed base is matched with that of the trapezoidal opening, and when the fixed base and the trapezoidal opening are connected, the fixed base is filled in the trapezoidal opening; the unable adjustment base bottom is provided with the wedge recess, and this wedge recess and wedge guide rail adaptation pass through wedge recess and wedge guide rail, and unable adjustment base is detachable continuous with the transport bed board.

Furthermore, two ends of the thermoplastic membrane are respectively connected with the transfer bed board in a sliding manner; the transfer bed board is provided with a guide groove with an opening at one side, the two ends of the thermoplastic membrane are provided with buckles, and the thermoplastic membrane is connected with the transfer bed board in a sliding mode through the buckles and the guide groove.

Further, the thermoplastic film was an A-side tab film of type R902-1A from Kelairiedi, Guangzhou, medical devices, Inc. (the thermoplastic membrane is heated at a constant temperature of 60 ℃ for softening and thermal change, covered on the body surface of a patient in a thermal change time period, and is in a U shape when the thermoplastic membrane is cooled to room temperature and is fixed in shape, the shape of the thermoplastic membrane is consistent with the body shape of the patient, and the thermoplastic membrane is in contact with the body surface of the patient and is used for fixing the patient and inserting the template).

Furthermore, the inserting template adopts 3D printing (two ends are wide, the middle part is narrow), and comprises two wide ends and a middle narrow part; the first wide head is arranged in parallel with the transfer bed board, the second wide head is provided with a fixing hole, and the second wide head is detachably connected with the transfer bed board through a screw and the fixing hole; a reference block and a cross positioning hole are arranged on the first wide head; the narrow part is provided with a urethral catheter channel, a vaginal plug channel, a needle hole and a rectal tube channel from top to bottom in sequence.

Compared with the prior art, the invention has the beneficial effects.

The invention comprises three parts, namely a body surface positioning thermoplastic membrane, a 3D printing inserting template and a fixed base. The method has the technical advantages that three-dimensional model data of tumors, rectum, bladder, bones and the like are obtained through preoperative CT data acquisition based on a computer three-dimensional reconstruction simulation technology, and insertion puncture simulation is carried out based on a reconstruction model, so that insertion needles are uniformly distributed in a tumor target area, and organs at risk are avoided. The designed inserting and planting guide template is sent to the 3D printer to be processed and manufactured, and the inserting and planting device is formed together with the fixing device and the positioning device in an auxiliary mode, so that the inserting and planting precision and the operation efficiency can be remarkably improved, and the operation difficulty is reduced.

The fixing base part of the invention can fix the 3D printing inserting template of the vulva part, realize the positioning of the template and ensure high repeatability of the 3D printing inserting template in the clinical use process.

The body surface positioning thermoplastic membrane is heated and then can be shaped, covers the abdominal body surface and is fixed on the transfer bed, so that the high-repetition positioning of the patient is realized, and the 3D printing inserting and planting template of the lower abdominal part is fixed.

Drawings

The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the structure of the inserting template of the present invention.

FIG. 3 is a schematic view of the thermoplastic film structure of the present invention.

Fig. 4 is a schematic structural view of the fixing base of the present invention.

FIG. 5 is a schematic view of the footrest mechanism of the present invention.

Fig. 6 is a side view of the invention of fig. 4.

Fig. 7 is a schematic view of the attachment of the footrest bracket to the transfer module of the present invention.

Fig. 8-10 are partial schematic views of the mounting of the stationary base to the transport bed plate.

In the figure, 1 is a thermoplastic membrane, 2 is an inserting template, 3 is a pedal bracket, 4 is a guide groove, 5 is a transferring bed board, 6 is a support leg, 7 is an auxiliary rod, 8 is a positioning hole, 9 is a reference block, 10 is a catheter channel, 11 is a vagina plug channel, 12 is a needle channel hole, 13 is a vagina plug, 14 is a fixing base, 15 is a strip-shaped guide rail, 16 is a square sliding block, 17 is a support plate, and 18 is a fixing block.

Detailed Description

As shown in fig. 1 to 10, the present invention comprises a base plate, characterized in that said base plate comprises two parts separable from each other: a transfer bed plate 5 and a fixed base 14; and the two parts are detachably connected.

The transfer bed board 5 is sequentially provided with a pedal bracket 3, an inserting and planting template 2 and a thermoplastic membrane 1 from front to back. The inserting template 2 is vertically arranged on the transferring bottom plate, and the inserting template 2 is provided with a reference block 9, a cross positioning hole 8, a catheter channel 10, a vagina plug channel 11 (a vagina plug 13 is arranged in the vagina plug channel 11), a rectal canal channel (not shown in the figure) and a needle channel hole 12. The thermoplastic membrane 1 spans across the transfer bed plate 5. The two pedal brackets 3 are respectively arranged at two opposite sides of one end of the transfer bed plate 5.

When the fixed base 14 is connected with the transfer bed board 5, the fixed base 14 is positioned between the two pedal brackets 3; the vagina plug fixing device is characterized in that a strip-shaped guide rail 15 is arranged on the fixing base 14, a square sliding block 16 is arranged on the strip-shaped guide rail 15, a supporting plate 17 is arranged on the square sliding block 16, a through groove is formed in the supporting plate 17, a vagina plug fixing block 18 for fixing a vagina plug is assembled in the through groove, a clamping bolt is arranged on the fixing block 18 and is in threaded connection with the fixing block 18, the clamping bolt sequentially penetrates through the fixing block 18 and the through groove, and one end of the through groove penetrates out to be locked and positioned through a.

Preferably, the sliding block is connected with the strip-shaped guide rail 15 in a sliding manner, and a puller bolt for positioning is arranged on the sliding block; when the sliding block slides back and forth to a certain proper position along the strip-shaped guide rail 15, the puller bolt is rotated, the depth of the puller bolt entering the sliding block is adjusted, and the purpose that the puller bolt jacks the guide rail is achieved.

Preferably, the first pedal bracket 3 is arranged on one side of the transfer bed plate 5, and the second pedal bracket 3 is arranged on the other side of the transfer bed plate 5; the two pedal brackets 3 have the same structure and respectively comprise an arc-shaped supporting plate, supporting legs 6 for supporting the arc-shaped supporting plate and auxiliary rods 7 for assisting in supporting the supporting legs 6; the arc-shaped supporting plate is arranged at the top of the supporting leg 6, one end of the supporting leg 6 is fixed on the upper surface of the transfer bed plate 5, the end part of the supporting leg 6 can rotate relative to the transfer bed plate 5, and the other end of the supporting leg 6 is connected with the bottom of the arc-shaped supporting plate; the auxiliary rod 7 is obliquely arranged relative to the supporting leg 6, one end of the auxiliary rod 7 is hinged with the transfer bed plate 5, the other end of the auxiliary rod 7 is connected with the supporting leg 6 through a hoop, the other end of the auxiliary rod 7 is rotatably connected with the hoop, and the hoop is tightly clamped on the periphery of the supporting leg 6; and the auxiliary rod 7 adopts a telescopic rod. The length of the auxiliary rod 7 is adjusted, and the direction of the supporting leg 6 is adjusted, so that the purpose of adjusting the length and the direction is achieved.

More preferably, the support leg 6 is a universal transmission shaft, and a PTO transmission shaft of the Feidaer group of Jiangsu province.

Preferably, the transfer bed board 5 is made of carbon fiber material.

Preferably, a trapezoidal opening is formed in the front end of the transfer bed plate 5 and between the two pedal brackets 3; the left side and the right side of the trapezoidal opening are respectively provided with a wedge-shaped guide rail, the fixed base 14 is of a plate-shaped structure, the shape of the fixed base is matched with that of the trapezoidal opening, and when the fixed base and the trapezoidal opening are connected, the fixed base 14 fills the trapezoidal opening; the bottom of the fixed base 14 is provided with a wedge-shaped groove, the wedge-shaped groove is matched with the wedge-shaped guide rail, and the fixed base 14 is detachably connected with the transfer bed board 5 through the wedge-shaped groove and the wedge-shaped guide rail.

Furthermore, two ends of the thermoplastic membrane 1 are respectively connected with the transfer bed board 5 in a sliding manner; transport and be provided with one side open-ended guide slot 4 on the bed board 5, the both ends of thermoplastic membrane 1 are provided with the buckle, through buckle and guide slot 4, thermoplastic membrane 1 with transport bed board 5 sliding connection.

Further, the thermoplastic film sheet 1 is an a-side frame film having a model number of R902-1A manufactured by clorelidi medical devices, inc. (the thermoplastic membrane is heated at a constant temperature of 60 ℃ for softening and thermal change, covered on the body surface of a patient in a thermal change time period, and is in a U shape when the thermoplastic membrane is cooled to room temperature and is fixed in shape, the shape of the thermoplastic membrane is consistent with the body shape of the patient, and the thermoplastic membrane is in contact with the body surface of the patient and is used for fixing the patient and inserting the template). The thermoplastic membrane has a heating softening process, the initial state is a plane, and then the thermoplastic membrane can be shaped after being cooled according to the trapezoidal plasticity of a human body.

Preferably, the inserting template 2 adopts 3D printing (wide at two ends and narrow in the middle part; comprising wide heads at two sides and a narrow part in the middle part; the first wide head is arranged in parallel with the transfer bed board 5, the second wide head is provided with a fixing hole, and the second wide head is detachably connected with the transfer bed board 5 through a screw and the fixing hole; a reference block 9 and a cross positioning hole 8 are arranged on the first wide head; the narrow part is provided with a catheter channel 10, a vaginal plug 13 channel 11, a needle channel hole 12 and a rectal tube channel from top to bottom in sequence.

3D prints and inserts auxiliary device of planting including transporting bed board 5, unable adjustment base 14, 3D and prints and insert and plant template 2, 1 four parts of thermoplastic diaphragm, and the four parts need the cooperation to use for the fitting relation.

1. Transport bed board 5 be carbon fiber material, be applicable to CT, according to actual clinical treatment demand, the patient lies flat on transporting bed board 5, both legs take on the bracket, realize that both legs part, expose the vulva. The bracket can be adjusted according to the size difference of the patient, including the height and the rotation angle, so as to be suitable for different patients.

2. The vulva of the transfer bed board 5 is designed into a trapezoidal opening structure, which provides enough treatment visual field and simultaneously facilitates the insertion treatment operation of doctors.

3. The trapezoidal opening part of vulva designs and has a wedge guide rail structure, makes things convenient for unable adjustment base 14's installation fixed, can slide in the opening along wedge guide rail when using, accomplishes the installation fixed.

4. The two sides of the upper abdomen area of the transfer bed board 5 are provided with the guide grooves 4 for the thermoplastic membranes 1, so that the fixed installation of the thermoplastic membranes 1 is convenient to fix the body position of a patient.

Specifically, the fixing base 14 is made of carbon fiber material, and the upper surface of the fixing base has a wedge-shaped guide rail structure, which is assembled with a slider, and the slider can slide along the front and back direction of the wedge-shaped guide rail. The linear locking hole that distributes on the slider, vagina stopper fixed block 18 can carry out high ascending removal along linear locking hole (leading to groove promptly) direction, thereby can carry out corresponding adjustment according to different patients' form, confirm to screw with the screw after the position and realize fixing, finally print with 3D and insert the vagina stopper 13 completion on planting template 2 and fix, realize printing to 3D and insert the further fixed of planting template 2, the fixed orifices that distribute on the base, can print to 3D and insert and plant template 2 and carry out the snap-on.

Specifically, the 3D printing inserting template 2 is an inserting template 2 processed and manufactured in a 3D printing forming mode, the material is photosensitive resin, three-dimensional reconstruction is performed on a tumor target area, vagina, bladder, rectum and bone based on CT data, needle channel inserting puncture simulation is performed based on a three-dimensional model, the template and the vaginal plug 13 are designed, and the 3D printing is used for completing the manufacturing. The abdomen part of the template is provided with three cross positioning holes 8 and three fixed datum blocks 9 for positioning and fixing, and the pudendum part is provided with a catheter channel 10, a vaginal plug 13 channel 11 and a rectal canal channel. The lateral side of the vulva is provided with an insertion needle hole 12. The fixing holes are distributed near the fixing base 14.

Specifically, the thermoplastic membrane 1 is a heat-softened net-shaped membrane, covers the lower abdomen and is fixed on the transfer bed plate 5, so that the body of the patient can be fixed. And meanwhile, fixing the 3D printing template to ensure the repeated precision in the process of multiple treatments.

It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.