WO2022155834A1 - 一种放射性粒子植入装置 - Google Patents

一种放射性粒子植入装置 Download PDF

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Publication number
WO2022155834A1
WO2022155834A1 PCT/CN2021/073036 CN2021073036W WO2022155834A1 WO 2022155834 A1 WO2022155834 A1 WO 2022155834A1 CN 2021073036 W CN2021073036 W CN 2021073036W WO 2022155834 A1 WO2022155834 A1 WO 2022155834A1
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WO
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Prior art keywords
storage bin
hole
implantation
guide post
particle
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PCT/CN2021/073036
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English (en)
French (fr)
Inventor
王沁
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苏州市立普医疗科技有限公司
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Application filed by 苏州市立普医疗科技有限公司 filed Critical 苏州市立普医疗科技有限公司
Priority to PCT/CN2021/073036 priority Critical patent/WO2022155834A1/zh
Publication of WO2022155834A1 publication Critical patent/WO2022155834A1/zh

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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
    • 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

Definitions

  • the present invention relates to the technical field of medical devices, in particular to a radioactive particle implantation device.
  • Prostate cancer is a common malignant tumor.
  • the incidence of prostate in men has continued to rise, which seriously threatens the quality of life and health of the people, especially the common prostate disease in elderly men.
  • Ultrasound-guided seed implantation requires the implantation of radioactive seeds in different parts of the prostate. Multiple particles can be implanted at one time to achieve a treatment method to destroy tumors, with minimal trauma, precise implantation location, and no risk of infection. , flexible and convenient to use.
  • the invention provides a radioactive particle implantation device, which combines a particle storage bin with a gun body, so as to realize the continuous implantation operation of multiple radioactive particles, the particle implantation operation is simple, and time and labor are saved.
  • the invention provides a radioactive particle implantation device, which includes a gun body and a particle storage bin;
  • the gun body includes a storage bin seat, the storage bin seat includes a straight through hole, and the top of the storage bin seat is provided with a plug which communicates with the straight hole Interface;
  • the particle storage bin is provided with a chamber for storing radioactive particles, the bottom of the particle storage bin is provided with a plug-in part, and the plug-in part is provided with a through-transport hole, which communicates with the chamber;
  • the plug-in part is plugged in In the insertion port, the storage bin base and the particle storage bin are connected, and the conveying hole is located in the straight hole, and the axes of the conveying hole and the straight hole are coincident, so that the particle storage bin can transport particles to the storage bin base.
  • it also includes a push rod structure and an implant structure, the first end of the linear hole is connected with the push rod structure, and the second end is connected with the implant structure.
  • the storage bin base also includes a glass bead positioning hole, the axis of the glass bead positioning hole is perpendicular to the axis of the linear hole, and the first end of the glass bead positioning hole is communicated with the straight hole, and the second end is located on the side of the storage bin base.
  • the glass bead positioning hole is connected to the positioning glass bead, and the first end of the positioning glass bead is located in the linear hole and abuts the side wall of the plug-in part, thereby playing the role of positioning the particle storage bin.
  • the gun body also includes a handle, the handle includes a rod body, a finger ring and a hand position, the first end of the rod body is connected with the bottom of the storage bin, and the length direction of the rod body is the same as the axis direction of the straight hole; the ring and the rod body The side away from the storage bin base is connected, and the hand position is connected with the second end of the rod body.
  • the first end of the rod body and the bottom of the storage bin are connected by laser welding.
  • the push rod structure includes a first guide column and a push rod body; the first guide column is provided with a through first implantation channel along the axis direction, and the first end of the first guide column is formed by the first end of the linear hole. It is inserted into the straight hole and abuts with the first end of the insertion part, so that the first implantation channel is communicated with the delivery hole; the first end of the push rod main body is set in the first implantation channel, and the second end is connected to the handle .
  • the second end of the first guide post is provided with a guide bell mouth.
  • the implantation structure includes a second guide column and an implantation channel needle; the second guide column is provided with a through second implantation channel along the axis direction, and the second end of the second guide column is connected to the first end of the linear hole.
  • the two ends are inserted into the straight hole and abut with the second end of the plug portion, so that the second implantation channel communicates with the delivery hole; the first end of the second guide post communicates with the first end of the implantation channel needle.
  • the first end of the second guide post is an outer tapered Luer connector
  • the first end of the implantation channel needle is an inner tapered Luer connector
  • the first end of the second guide post is connected to the first end of the implantation channel needle.
  • the implant structure further includes a threaded lock, the threaded lock is cylindrical, the first port of the threaded lock is connected to the outer wall of the storage bin; the second guide post is penetrated in the threaded lock, and the second The second end of the guide column passes through the thread lock, and the axis of the second guide column coincides with the axis of the thread lock; the inner wall of the thread lock is provided with an inner thread, and the outer wall of the first end of the implant channel needle is provided with an outer thread When the first end of the second guide post communicates with the first end of the implantation channel needle, the inner thread and the outer thread are threadedly connected.
  • the threaded lock is cylindrical, the first port of the threaded lock is connected to the outer wall of the storage bin;
  • the second guide post is penetrated in the threaded lock, and the second The second end of the guide column passes through the thread lock, and the axis of the second guide column coincides with the axis of the thread lock;
  • the inner wall of the thread lock
  • the radioactive particles in the particle storage bin can enter the delivery hole of the plug-in part. After connecting the storage bin seat and the particle storage bin, the delivery hole is connected with the straight hole. At this time, through the push rod structure And the implantation structure pushes the particles along the direction of the linear hole axis to complete the particle implantation operation. After one operation is completed, the new radioactive particles in the particle storage chamber fall into the delivery hole, and the next implantation operation can be performed.
  • the radioactive particle implantation device in the technical solution can realize the continuous implantation operation of radioactive particles, and has the characteristics of simple structure, flexible and convenient operation, time-saving and labor-saving.
  • FIG. 1 is a schematic structural diagram of a radioactive seed implantation device provided by an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a gun body in a radioactive particle implantation device provided by an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a storage bin seat of a gun body in a radioactive particle implantation device provided by an embodiment of the present invention
  • FIG. 4 is a cross-sectional view of a particle storage bin in a radioactive particle implantation device provided by an embodiment of the present invention
  • FIG. 5 is a front view of the handle of the gun body in the radioactive particle implantation device provided by the embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a first guide column of a push rod structure in a radioactive seed implantation device according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a second guide column of an implanted structure in a radioactive seed implantation device provided by an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a screw lock of an implanted structure in a radioactive seed implantation device provided by an embodiment of the present invention.
  • 11 storage compartment seat; 12: handle; 13: first guide column; 14: second guide column; 15: thread lock; 16: positioning glass bead; 111: straight hole; 112: glass bead positioning hole; 113 : Insertion port; 114: Connection slot; 121: Hand position; 122: Ring; 131: First implant channel; 132: Guide bell mouth; 141: Second implant channel; 142: Luer cone; 151: Inside thread;
  • FIG. 1 is a schematic structural diagram of a radioactive particle implantation device provided by an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a gun body in a radioactive particle implantation device provided by an embodiment of the present invention
  • FIG. 3 is a radioactive particle provided by an embodiment of the present invention. Schematic diagram of the structure of the storage bin seat of the gun body in the implantation device
  • FIG. 4 is a cross-sectional view of the particle storage bin in the radioactive particle implantation device provided by the embodiment of the present invention. As shown in FIGS.
  • the radioactive particle implantation device includes a gun body 1, a particle storage bin 2, a push rod structure 3 and an implantation structure 4;
  • the gun body 1 includes a storage bin base 11, and the storage bin base 11 includes a through-hole
  • the first end of the straight hole 111 is connected with the push rod structure 3, and the second end is connected with the implantation structure 4;
  • the top of the storage bin seat 11 is provided with a plug port 113 that communicates with the straight hole 111
  • the particle storage bin 2 is provided with a chamber 21 for storing radioactive particles
  • the bottom of the particle storage bin 2 is provided with a plug-in part 22,
  • the plug-in part 22 is provided with a conveying hole through, and the conveying hole communicates with the chamber 21;
  • the plug-in part 22 It is inserted into the socket 113, so as to realize the connection between the storage bin 11 and the particle storage bin 2, and the conveying hole is located in the straight hole, and the axes of the conveying hole and the straight hole are coincident, so
  • a plurality of radioactive particles in the particle storage bin 2 are arranged along the height direction of the particle storage bin 2, and an elastic device 23, such as a spring, is provided in the position where the multiple radioactive particles are far from the conveying hole.
  • the rebound force driven in the conveying direction after the implantation of a radioactive particle is completed, under the action of the spring rebound force, the radioactive particle at the end is pushed into the conveying hole, so that the particle storage bin 2 can enter the linear hole 111.
  • Continuous delivery of radioactive particles When the radioactive seed implantation device is in use, with the assistance of the ultrasonic probe, the implanted structure 4 is aimed at the lesion, and the push rod structure 3 is driven to send the radioactive particles into the lesion through the implanted structure 4 . Through the ultrasonic probe again, the implantation angle of the implantation structure 4 is adjusted, and new radioactive particles are implanted into a new position by driving the push rod structure 3. Repeated operations for many times can implant multiple radioactive particles into the lesion.
  • the storage bin base 11 further includes a glass bead positioning hole 112 , the axis of the glass bead positioning hole 112 is perpendicular to the axis of the linear hole 111 , and the first end of the glass bead positioning hole 112 is parallel to the linear hole 111 Connected, the second end of the glass bead positioning hole 112 is located on the side wall of the storage bin 11; the glass bead positioning hole 112 is connected to the positioning glass bead 16, and the first end of the positioning glass bead 16 is located in the straight hole 111, and abuts
  • the side wall of the plug-in portion plays the role of positioning the particle storage bin 2 .
  • the positioning glass beads 16 and the glass bead positioning holes 112 are connected by interference fit.
  • the first end of the positioning glass bead 16 is a glass bead, and the end protrudes into the straight hole 111 , and the protruding length is adjustable, and the particle storage bin can be realized by the glass bead abutting the plug-in part. 2. Fasten connection with the storage bin seat 11.
  • the gun body 1 further includes a handle 12 , the handle 12 includes a rod body, a finger ring 122 and a hand position 121 , and the first end of the rod body is connected with the connecting groove 114 at the bottom of the storage bin 11 .
  • connection, and the length direction of the rod body is the same as the axis direction of the straight hole 111, preferably, the first end of the rod body and the bottom of the storage bin seat 11 are connected by laser welding; the finger ring 122 is connected with the rod body away from the storage bin seat 11 side, The hand position 121 is connected with the second end of the rod body.
  • the doctor's palm rests on the hand position 121, and the finger is on the ring 122, and the gun body 1 can be held tightly with one hand.
  • By increasing the structure of the handle 12 it is convenient for the doctor to hold the gun body 1, thereby increasing the particle size. Flexibility of implant operation.
  • the push rod structure 3 includes a first guide column 13 and a push rod main body; the first guide column 13 is provided with a through first implantation channel 131 along the axis direction.
  • the first end is inserted into the straight hole 111 from the first end of the straight hole 111, and abuts with the first end of the plug-in part, so that the first implantation channel 131 is communicated with the delivery hole; the first end of the push rod main body is set on the In the first implant channel 131, the second end is connected to the handle.
  • the first implantation channel 131 communicates with the delivery hole to form a straight channel.
  • the push rod body can move freely in the straight channel, thereby achieving the purpose of promoting particle implantation.
  • the first end of the first guide column 13 and the first end of the straight hole 111 are connected by interference fit, and the two are firmly connected; in addition, the second end of the first guide column 13 is provided with a guide bell mouth 132 , the diameter of the end of the guide bell mouth 132 is larger than the inner diameter of the first implantation channel 131 , which facilitates the insertion operation of the push rod body, and can realize the rapid assembly of the push rod structure 3 .
  • the implantation structure 4 includes a second guide column 14 and an implantation channel needle; the second guide column 14 is provided with a second implantation channel 141 extending through the axis along the axis direction.
  • the second end of the straight hole 111 is inserted into the straight hole 111 and abuts with the second end of the plug-in part, so that the second implantation channel 141 is communicated with the delivery hole.
  • the two ends are connected with the second end of the straight hole 111 by interference fit; the first end of the second guide post 14 is communicated with the first end of the implantation channel needle.
  • the second implant channel 141 of the implant structure 4 forms a complete straight channel with the delivery hole and the first straight channel, the implanted particles enter the implant channel needle through the second implant channel 141, and finally, the particles pass through the implant channel The needle enters the lesion.
  • the first end of the second guide post 14 is an outer tapered Luer connector
  • the first end of the implantation channel needle is an inner tapered Luer connector
  • the first end of the second guide post 14 is connected to the implantation channel
  • the implant structure 4 further includes a threaded lock 15 , the threaded lock 15 is cylindrical, and the first port of the threaded lock 15 is connected to the outer wall of the storage bin 11 ; the second guide column 14 Pass through the thread lock 15, and the second end of the second guide post 14 passes through the thread lock 15, the axis of the second guide post 14 coincides with the axis of the thread lock 15; the inner wall of the thread lock 15 is provided with The inner thread 151 has an outer thread on the outer wall of the first end of the implantation channel needle.
  • the inner thread 151 and the outer thread are threadedly connected.
  • the gun body 1 is combined with the particle storage bin 2, the storage bin seat 11 of the gun body 1 can continuously receive the radioactive particles transported by the particle storage bin 2, and then, only the implantation structure 4 needs to be adjusted.
  • the implantation position of multiple particles can be realized, and it has the characteristics of simple structure, flexible and convenient operation, saving time and labor; 3.
  • the implantation structure 4 and the implantation channel needle are convenient for disassembly and assembly operations, which facilitates the cleaning and disinfection of non-disposable components, and makes the radioactive seed implantation device safer and more reliable in use.

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Abstract

一种放射性粒子植入装置，包括枪体（1）和粒子储存仓（2）；枪体（1）包括储存仓座（11），储存仓座（11）内包括贯通的直线孔（111），储存仓座（11）的顶部设有与直线孔（111）连通的插接口（113），粒子储存仓（2）内设有用于储存放射性粒子的腔室（21），粒子储存仓（2）的底部设有插接部（22），插接部（22）上设有贯通的输送孔，输送孔与腔室（21）连通；插接部（22）插接于插接口（113）内，从而实现储存仓座（11）和粒子储存仓（2）连接，并且输送孔位于直线孔（111）内，以及输送孔和直线孔（111）的轴线重合，从而使粒子储存仓（2）能向储存仓座（11）输送粒子。放射性粒子植入装置可实现放射性粒子的连续植入操作，具有结构简单，操作灵活方便，省时省力的特点。

Description

一种放射性粒子植入装置 技术领域
本发明涉及医疗器械技术领域，特别地涉及一种放射性粒子植入装置。
背景技术
前列腺癌是一种常见的恶性肿瘤，随着近年来人们生活方式的改变，男性前列腺发病率呈持续上升趋势，严重威胁人民群众的生活质量和健康，尤其是老年男性中常见的前列腺疾病。
超声引导下进行的粒子植入术，需要在前列腺不同的部位植入放射性粒子，可一次性植入多颗粒子以达到摧毁肿瘤的一种治疗手段，创伤小，植入位置精准，无感染风险，运用灵活方便。
但是，现有的粒子植入装置，在完成一次性植入多个放射性粒子操作时，存在植入操作复杂，费时费力，灵活度较差的缺点。
发明内容
本发明提供了一种放射性粒子植入装置，将粒子储存仓与枪体相结合，从而可实现多个放射性粒子的连续植入操作，粒子植入操作简单，省时省力。
本发明提供了一种放射性粒子植入装置，包括枪体和粒子储存仓；枪体包括储存仓座，储存仓座内包括贯通的直线孔，储存仓座的顶部设有与直线孔连通的插接口；粒子储存仓内设有用于储存放射性粒子的腔室，粒子储存仓的底部设有插接部，插接部上设有贯通的输送孔，输送孔与腔室连通；插接部插接于插接口内，从而实现储存仓座和粒子储存仓连接，并且输送孔位于直线孔内，以及输送孔和直线孔的轴线重合，从而使粒子储 存仓能向储存仓座输送粒子。
可选地，还包括推杆结构和植入结构，直线孔的第一端与推杆结构连接，第二端与植入结构连接。
可选地，储存仓座还包括玻珠定位孔，玻珠定位孔的轴线与直线孔的轴线垂直，并且玻珠定位孔的第一端与直线孔连通，第二端位于储存仓座的侧壁上；玻珠定位孔内连接定位玻珠，定位玻珠的第一端位于直线孔内，并且抵接插接部的侧壁，从而起到粒子储存仓定位作用。
可选地，枪体还包括握柄，握柄包括杆体、指环和手位，杆体的第一端与储存仓座的底部连接，并且杆体的长度方向与直线孔的轴线方向相同；指环与杆体远离储存仓座的一侧连接，手位与杆体的第二端连接。
可选地，杆体的第一端与储存仓座的底部通过激光焊接连接。
可选地，推杆结构包括第一导向柱和推杆主体；第一导向柱内沿轴线方向设有贯通的第一植入通道，第一导向柱的第一端由直线孔的第一端插入直线孔内，并与插接部的第一端抵接，从而使第一植入通道与输送孔连通；推杆主体的第一端设于第一植入通道内，第二端连接把手。
可选地，第一导向柱的第二端设有导向喇叭口。
可选地，植入结构包括第二导向柱和植入通道针；第二导向柱内沿轴线方向设有贯通的第二植入通道，第二导向柱的第二端由与直线孔的第二端插入直线孔，并与插接部的第二端抵接，从而使第二植入通道与输送孔连通；第二导向柱的第一端与植入通道针的第一端连通。
可选地，第二导向柱的第一端为外锥形鲁尔接头，植入通道针的第一端为内锥鲁尔接头；第二导向柱的第一端与植入通道针的第一端连通时， 外锥形鲁尔接头和内锥鲁尔接头的鲁尔锥面抵接。
可选地，植入结构还包括螺纹锁扣，螺纹锁扣呈筒状，螺纹锁扣的第一端口与储存仓座的外壁连接；第二导向柱穿设于螺纹锁扣内，并且第二导向柱的第二端穿过螺纹锁扣，第二导向柱的轴线与螺纹锁扣的轴线重合；螺纹锁扣的内壁上设有内螺纹，植入通道针第一端的外壁上设有外螺纹，第二导向柱的第一端与植入通道针的第一端连通时，内螺纹和外螺纹螺纹连接。
可选地，定位玻珠与玻珠定位孔之间、第一导向柱的第一端与直线孔的第一端之间、以及第二导向柱的第二端与直线孔的第二端之间过盈配合连接。
本发明提供的技术方案中，粒子储存仓内的放射性粒子可进入插接部的输送孔内，将储存仓座与粒子储存仓连接后，输送孔与直线孔连通，此时，通过推杆结构和植入结构沿直线孔轴线方向推送粒子，可完成粒子植入操作。完成一次操作后，粒子储存仓内新的放射性粒子落入输送孔内，可进行下一次植入操作。
本技术方案中的放射性粒子植入装置，可实现放射性粒子的连续植入操作，具有结构简单，操作灵活方便，省时省力的特点。
附图说明
为了说明而非限制的目的，现在将根据本发明的优选实施例、特别是参考附图来描述本发明，其中：
图1是本发明实施方式提供的放射性粒子植入装置的结构示意图；
图2是本发明实施方式提供的放射性粒子植入装置中枪体的结构示意图；
图3是本发明实施方式提供的放射性粒子植入装置中枪体的储存仓座的结构示意图；
图4是本发明实施方式提供的放射性粒子植入装置中粒子储存仓处的剖视图；
图5是本发明实施方式提供的放射性粒子植入装置中枪体的握柄的主视图；
图6是本发明实施方式提供的放射性粒子植入装置中推杆结构的第一导向柱的结构示意图；
图7是本发明实施方式提供的放射性粒子植入装置中植入结构的第二导向柱的结构示意图；
图8是本发明实施方式提供的放射性粒子植入装置中植入结构的螺纹锁扣的结构示意图。
图中：
1：枪体；2：粒子储存仓；3：推杆结构；4：植入结构；
11：储存仓座；12：握柄；13：第一导向柱；14：第二导向柱；15：螺纹锁扣；16：定位玻珠；111：直线孔；112：玻珠定位孔；113：插接口；114：连接槽；121：手位；122：指环；131：第一植入通道；132：导向喇叭口；141：第二植入通道；142：鲁尔锥面；151：内螺纹；
21：腔室；22：插接部；23：弹性装置。
具体实施方式
下面结合附图和实施方式对本申请作进一步的详细说明。可以理解的是，此处所描述的具体实施方式仅用于解释相关内容，而非对本申请的限制。为简明起见，在本申请各实施方式的描述中，对于相同或者类似的装置/方法步骤，使用相同或者相似的附图标记。
需要说明的是，在不冲突的情况下，本申请中的实施方式及实施方式中的特征可以相互组合。
图1是本发明实施方式提供的放射性粒子植入装置的结构示意图；图2是本发明实施方式提供的放射性粒子植入装置中枪体的结构示意图；图 3是本发明实施方式提供的放射性粒子植入装置中枪体的储存仓座的结构示意图；图4是本发明实施方式提供的放射性粒子植入装置中粒子储存仓处的剖视图。如图1至图4所示，放射性粒子植入装置包括枪体1、粒子储存仓2、推杆结构3和植入结构4；枪体1包括储存仓座11，储存仓座11内包括贯通的直线孔111，直线孔111的第一端与推杆结构3连接，第二端与植入结构4连接；储存仓座11的顶部设有与直线孔111连通的插接口113，粒子储存仓2内设有用于储存放射性粒子的腔室21，粒子储存仓2的底部设有插接部22，插接部22上设有贯通的输送孔，输送孔与腔室21连通；插接部22插接于插接口113内，从而实现储存仓座11和粒子储存仓2连接，并且输送孔位于直线孔内，以及输送孔和直线孔的轴线重合，从而使粒子储存仓2能向储存仓座11输送粒子。
粒子储存仓2内多个放射性粒子沿粒子储存仓2的高度方向排列，并且，在多个放射性粒子远离输送孔的有单设有弹性装置23，如弹簧，弹簧呈压缩状态，具有将放射性粒子向输送方向驱动的回弹力，当一个放射性粒子植入完成后，在弹簧回弹力的作用下，最端部的放射性粒子被推入输送孔中，从而实现粒子储存仓2可向直线孔111内连续的输送放射性粒子。放射性粒子植入装置使用时，在超声探头协助下，将植入结构4对准病灶，驱动推杆结构3将放射性粒子经由植入结构4送入病灶。再次通过超声探头，调整植入结构4的植入角度，通过驱动推杆结构3将新的放射性粒子植入新的位置，如此多次重复操作，可实现向病灶植入多个放射性粒子。
如图2和图3所示，储存仓座11还包括玻珠定位孔112，玻珠定位孔112的轴线与直线孔111的轴线垂直，并且玻珠定位孔112的第一端与直线孔111连通，玻珠定位孔112的第二端位于储存仓座11的侧壁上；玻珠定位孔112内连接定位玻珠16，定位玻珠16的第一端位于直线孔111内，并且抵接插接部的侧壁，从而起到粒子储存仓2定位作用，优选地，定位玻珠16与玻珠定位孔112之间通过过盈配合连接。在本发明实施方式中，定位玻珠16的第一端为玻珠，该端伸入到直线孔111内，伸入的长度可调，通过玻珠抵接插接部，可实现粒子储存仓2与储存仓座11紧 固连接。
图5是本发明实施方式提供的放射性粒子植入装置中枪体的握柄的主视图。如图1、图2和图5所示，枪体1还包括握柄12，握柄12包括杆体、指环122和手位121，杆体的第一端与储存仓座11的底部的连接槽114连接，并且杆体的长度方向与直线孔111的轴线方向相同，优选地，杆体的第一端与储存仓座11的底部通过激光焊接连接；指环122与杆体远离储存仓座11的一侧连接，手位121与杆体的第二端连接。使用时，医生手掌抵在手位121上，手指扳在指环122上，单手即可握紧枪体1，通过增加握柄12结构，方便医生对枪体1进行手持操作，进而可提高粒子植入操作的灵活性。
图6是本发明实施方式提供的放射性粒子植入装置中推杆结构的第一导向柱的结构示意图。如图1和图6所示，推杆结构3包括第一导向柱13和推杆主体；第一导向柱13内沿轴线方向设有贯通的第一植入通道131，第一导向柱13的第一端由直线孔111的第一端插入直线孔111，并与插接部的第一端抵接，从而使第一植入通道131与输送孔连通；推杆主体的第一端设于第一植入通道131内，第二端连接把手。推杆结构3中，第一植入通道131和输送孔连通，从而形成一个直线通道，通过操作把手，实现推杆主体在直线通道内自由移动，进而达到推动粒子植入的目的。其中，第一导向柱13的第一端与直线孔111的第一端之间通过过盈配合连接，两者连接牢固；另外，在第一导向柱13的第二端设有导向喇叭口132，该导向喇叭口132的端部孔径大于第一植入通道131的内径，进而方便推杆主体的插入操作，可实现推杆结构3的快速组装。
图7是本发明实施方式提供的放射性粒子植入装置中植入结构的第二导向柱的结构示意图。如图7所示，植入结构4包括第二导向柱14和植入通道针；第二导向柱14内沿轴线方向设有贯通的第二植入通道141，第二导向柱14的第二端由直线孔111的第二端插入直线孔111内，并与插接部的第二端抵接，从而使第二植入通道141与输送孔连通，优选地，第 二导向柱14的第二端与直线孔111的第二端之间过盈配合连接；第二导向柱14的第一端与植入通道针的第一端连通。植入结构4的第二植入通道141与输送孔和第一直线通道形成完整的直线通道，植入粒子经由第二植入通道141进入植入通道针内，最终，粒子经由植入通道针进入病灶。本发明实施方式中，第二导向柱14的第一端为外锥形鲁尔接头，植入通道针的第一端为内锥鲁尔接头；第二导向柱14的第一端与植入通道针的第一端连通时，外锥形鲁尔接头和内锥鲁尔接头的鲁尔锥面142抵接。
图8是本发明实施方式提供的放射性粒子植入装置中植入结构的螺纹锁扣的结构示意图。如图2和图8所示，植入结构4还包括螺纹锁扣15，螺纹锁扣15呈筒状，螺纹锁扣15的第一端口与储存仓座11的外壁连接；第二导向柱14穿设于螺纹锁扣15，并且第二导向柱14的第二端穿过螺纹锁扣15，第二导向柱14的轴线与螺纹锁扣15的轴线重合；螺纹锁扣15的内壁上设有内螺纹151，植入通道针第一端的外壁上设有外螺纹，第二导向柱14的第一端与植入通道针的第一端连通时，内螺纹151和外螺纹螺纹连接。通过设置螺纹锁扣15，可实现植入通道针与枪体1的快速拆装操作。
本发明提供的技术方案中，将枪体1与粒子储存仓2相结合，枪体1的储存仓座11可连续地接收粒子储存仓2输送的放射性粒子，然后，只需调整植入结构4的植入位置，即可实现多个粒子的植入操作，具有结构简单，操作灵活方便，省时省力的特点；另外，本发明技术方案中，枪体1与粒子储存仓2、推杆结构3、植入结构4和植入通道针方便进行拆装操作，进而利于非一次性部件的清洗消毒，使放射性粒子植入装置使用时更加安全可靠。
上述具体实施方式，并不构成对本发明保护范围的限制。本领域技术人员应该明白的是，取决于设计要求和其他因素，可以发生各种各样的修改、组合、子组合和替代。任何在本发明的精神和原则之内所作的修改、等同替换和改进等，均应包含在本发明保护范围之内。

Claims (11)

  1. 一种放射性粒子植入装置，其特征在于，包括枪体(1)和粒子储存仓(2)；
    枪体(1)包括储存仓座(11)，储存仓座(11)内包括贯通的直线孔(111)，储存仓座(11)的顶部设有与直线孔(111)连通的插接口(113)；
    粒子储存仓(2)内设有用于储存放射性粒子的腔室(21)，粒子储存仓(2)的底部设有插接部(22)，插接部(22)上设有贯通的输送孔，输送孔与腔室(21)连通；
    插接部(22)插接于插接口(113)内，从而实现储存仓座(11)和粒子储存仓(2)连接，并且输送孔位于直线孔内，以及输送孔和直线孔的轴线重合，从而使粒子储存仓(2)能向储存仓座(11)输送粒子。
  2. 根据权利要求1所述的放射性粒子植入装置，其特征在于，还包括推杆结构(3)和植入结构(4)，直线孔(111)的第一端与推杆结构(3)连接，第二端与植入结构(4)连接。
  3. 根据权利要求1所述的放射性粒子植入装置，其特征在于，储存仓座(11)还包括玻珠定位孔(112)，玻珠定位孔(112)的轴线与直线孔(111)的轴线垂直，并且玻珠定位孔(112)的第一端与直线孔(111)连通，第二端位于储存仓座(11)的侧壁上；
    玻珠定位孔(112)内连接定位玻珠(16)，定位玻珠(16)的第一端位于直线孔(111)内，并且抵接插接部(22)的侧壁，从而起到粒子储存仓(2)定位作用。
  4. 根据权利要求1至3中任一项所述的放射性粒子植入装置，其特征在于，枪体(1)还包括握柄(12)，握柄(12)包括杆体、指环(122)和手位(121)，杆体的第一端与储存仓座(11)的底部连接，并且杆体的长度方向与直线孔(111)的轴线方向相同；
    指环(122)与杆体远离储存仓座(11)的一侧连接，手位(121)与 杆体的第二端连接。
  5. 根据权利要求4所述的放射性粒子植入装置，其特征在于，杆体的第一端与储存仓座(11)的底部通过激光焊接连接。
  6. 根据权利要求3所述的放射性粒子植入装置，其特征在于，推杆结构(3)包括第一导向柱(13)和推杆主体；
    第一导向柱(13)内沿轴线方向设有贯通的第一植入通道(131)，第一导向柱(13)的第一端由直线孔(111)的第一端插入直线孔(111)内，并与插接部(22)的第一端抵接，从而使第一植入通道(131)与输送孔连通；
    推杆主体的第一端设于第一植入通道(131)内，第二端连接把手。
  7. 根据权利要求6所述的放射性粒子植入装置，其特征在于，第一导向柱(13)的第二端设有导向喇叭口(132)。
  8. 根据权利要求6所述的放射性粒子植入装置，其特征在于，植入结构(4)包括第二导向柱(14)和植入通道针；
    第二导向柱(14)内沿轴线方向设有贯通的第二植入通道(141)，第二导向柱(14)的第二端由与直线孔(111)的第二端插入直线孔(111)，并与插接部(22)的第二端抵接，从而使第二植入通道(141)与输送孔连通；
    第二导向柱(141)的第一端与植入通道针的第一端连通。
  9. 根据权利要求8所述的放射性粒子植入装置，其特征在于，第二导向柱(14)的第一端为外锥形鲁尔接头，植入通道针的第一端为内锥鲁尔接头；
    第二导向柱(14)的第一端与植入通道针的第一端连通时，外锥形鲁尔接头和内锥鲁尔接头的鲁尔锥面抵接。
  10. 根据权利要求8所述的放射性粒子植入装置，其特征在于，植入结构(4)还包括螺纹锁扣(15)，螺纹锁扣(15)呈筒状，螺纹锁扣(15)的第一端口与储存仓座(11)的外壁连接；
    第二导向柱(14)穿设于螺纹锁扣(15)内，并且第二导向柱(14)的第二端穿过螺纹锁扣(15)，第二导向柱(14)的轴线与螺纹锁扣(15)的轴线重合；
    螺纹锁扣(15)的内壁上设有内螺纹(151)，植入通道针第一端的外壁上设有外螺纹，第二导向柱(14)的第一端与植入通道针的第一端连通时，内螺纹(151)和外螺纹螺纹连接。
  11. 根据权利要求8所述的放射性粒子植入装置，其特征在于，定位玻珠(16)与玻珠定位孔(112)之间、第一导向柱(13)的第一端与直线孔(111)的第一端之间、以及第二导向柱(14)的第二端与直线孔(111)的第二端之间过盈配合连接。
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