CN215426935U - Radioactive particle implantation device - Google Patents

Radioactive particle implantation device Download PDF

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Publication number
CN215426935U
CN215426935U CN202120164330.XU CN202120164330U CN215426935U CN 215426935 U CN215426935 U CN 215426935U CN 202120164330 U CN202120164330 U CN 202120164330U CN 215426935 U CN215426935 U CN 215426935U
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storage bin
hole
implantation
particle
linear hole
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CN202120164330.XU
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Chinese (zh)
Inventor
倪芳平
王沁
王宝中
顾伟
朱瑜
张克磊
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Suzhou Leapmed Healthcare Corp
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Suzhou Leapmed Healthcare Corp
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Abstract

The utility model relates to the technical field of medical instruments, in particular to a radioactive particle implantation device, which comprises a gun body and a particle storage bin; the gun body comprises a storage bin seat, a through linear hole is formed in the storage bin seat, a plug-in port communicated with the linear hole is formed in the top of the storage bin seat, a cavity used for storing radioactive particles is formed in the particle storage bin, a plug-in part is formed in the bottom of the particle storage bin, a through conveying hole is formed in the plug-in part, and the conveying hole is communicated with the cavity; the inserting part is inserted in the inserting opening, so that the storage bin seat is connected with the particle storage bin, the conveying hole is located in the linear hole, the axes of the conveying hole and the linear hole are overlapped, and the particle storage bin can convey particles to the storage bin seat. According to the technical scheme provided by the utility model, the radioactive particle implantation device can realize continuous implantation operation of radioactive particles, and has the characteristics of simple structure, flexibility and convenience in operation, time saving and labor saving.

Description

Radioactive particle implantation device
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a radioactive particle implantation device.
Background
Prostate cancer is a common malignant tumor, the incidence rate of prostate in men is on a continuous rising trend along with the change of life style of people in recent years, and the prostate cancer seriously threatens the quality of life and health of people, especially the prostate disease common in old men.
The particle implantation that goes on under the supersound guide needs implant the radioactive particle in the position that the prostate is different, can once only implant many particles in order to reach a treatment means of destroying the tumour, and the wound is little, implants the position accurate, and the no infection risk, and the application is nimble convenient.
However, when the existing particle implantation device completes the operation of implanting a plurality of radioactive particles at one time, the defects of complicated implantation operation, time and labor waste and poor flexibility exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a radioactive particle implantation device, which combines a particle storage bin with a gun body, thereby realizing the continuous implantation operation of a plurality of radioactive particles, and the particle implantation operation is simple, time-saving and labor-saving.
The utility model provides a radioactive particle implantation device, which comprises a gun body and a particle storage bin, wherein the gun body is provided with a plurality of holes; the gun body comprises a storage bin seat, a through linear hole is formed in the storage bin seat, and a plug-in port communicated with the linear hole is formed in the top of the storage bin seat; a cavity for storing radioactive particles is arranged in the particle storage bin, an insertion part is arranged at the bottom of the particle storage bin, a through conveying hole is formed in the insertion part, and the conveying hole is communicated with the cavity; the inserting part is inserted in the inserting opening, so that the storage bin seat is connected with the particle storage bin, the conveying hole is located in the linear hole, the axes of the conveying hole and the linear hole are overlapped, and the particle storage bin can convey particles to the storage bin seat.
Optionally, the device further comprises a push rod structure and an implantation structure, wherein the first end of the linear hole is connected with the push rod structure, and the second end of the linear hole is connected with the implantation structure.
Optionally, the storage bin base further comprises a bead positioning hole, an axis of the bead positioning hole is perpendicular to an axis of the linear hole, a first end of the bead positioning hole is communicated with the linear hole, and a second end of the bead positioning hole is located on a side wall of the storage bin base; the glass bead positioning hole is internally connected with a positioning glass bead, the first end of the positioning glass bead is positioned in the linear hole and is abutted against the side wall of the insertion part, and therefore the particle storage bin positioning effect is achieved.
Optionally, the gun body further comprises a grab handle, the grab handle comprises 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 seat, and the length direction of the rod body is the same as the axial direction of the linear hole; the ring is connected with one side of the rod body far away from the storage bin seat, and the hand position is connected with the second end of the rod body.
Optionally, the first end of the rod body is connected with the bottom of the storage bin seat by laser welding.
Optionally, the pusher structure comprises a first guide post and a pusher body; a first implantation channel which is communicated with the first guide column is arranged in the first guide column along the axis direction, and the first end of the first guide column is inserted into the linear hole from the first end of the linear hole and is abutted against the first end of the insertion part, so that the first implantation channel is communicated with the conveying hole; the first end of the push rod main body is arranged in the first implantation channel, and the second end of the push rod main body is connected with the handle.
Optionally, the second end of the first guide post is provided with a guide bell mouth.
Optionally, the implantation structure comprises a second guide post and an implantation channel needle; a second implantation channel which is communicated with the second guide column is arranged in the second guide column along the axis direction, and the second end of the second guide column is inserted into the linear hole from the second end of the linear hole and is abutted against the second end of the insertion part, so that the second implantation channel is communicated with the conveying hole; the first end of the second guide post is in communication with the first end of the implantation channel needle.
Optionally, the first end of the second guiding column is an external conical luer connector, and the first end of the implantation channel needle is an internal conical luer connector; when the first end of the second guide column is communicated with the first end of the implantation channel needle, the luer conical surfaces of the external conical luer connector and the internal conical luer connector are abutted.
Optionally, the implantation structure further comprises a threaded lock, the threaded lock is cylindrical, and a first port of the threaded lock is connected with the outer wall of the storage bin seat; the second guide column penetrates through the threaded lock catch, the second end of the second guide column penetrates through the threaded lock catch, and the axis of the second guide column is overlapped with the axis of the threaded lock catch; be equipped with the internal thread on the inner wall of screw thread hasp, be equipped with the external screw thread on the outer wall of implanting the first end of passageway needle, when the first end of second guide post and the first end intercommunication of implanting the passageway needle, internal thread and external screw thread threaded connection.
Optionally, the positioning bead is connected with the bead positioning hole, the first end of the first guide post is connected with the first end of the linear hole, and the second end of the second guide post is connected with the second end of the linear hole in an interference fit manner.
According to the technical scheme provided by the utility model, radioactive particles in the particle storage bin can enter the conveying hole of the insertion part, after the storage bin seat is connected with the particle storage bin, the conveying hole is communicated with the linear hole, and at the moment, the particles are pushed along the axial direction of the linear hole through the push rod structure and the implantation structure, so that the particle implantation operation can be completed. After one operation is finished, new radioactive particles in the particle storage bin fall into the conveying hole, and the next implantation operation can be carried out.
The radioactive particle implantation device in the technical scheme can realize continuous implantation operation of radioactive particles and has the characteristics of simple structure, flexible and convenient operation, time saving and labor saving.
Drawings
For purposes of illustration and not limitation, the present invention will now be described in accordance with its preferred embodiments, particularly with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a radioactive seed implanting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a gun body in the radioactive particle implanting apparatus according to the embodiment of the present invention;
FIG. 3 is a schematic view of a storage chamber of a gun body of a radioactive seed implanting apparatus according to an embodiment of the present invention;
FIG. 4 is a sectional view of a radioactive seed implanting apparatus according to an embodiment of the present invention, showing a position of a seed storage chamber;
FIG. 5 is a front view of a grip of a gun body in the radioactive seed implanting apparatus according to the embodiment of the present invention;
FIG. 6 is a schematic structural view of a first guide post of a push rod structure in a radioactive seed implanting apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a second guide post of an implant structure in a radioactive seed implanting apparatus according to an embodiment of the present invention;
fig. 8 is a structural view illustrating a screw lock of an implant structure in a radioactive seed implanting apparatus according to an embodiment of the present invention.
In the figure:
1: a gun body; 2: a particle storage bin; 3: a push rod structure; 4: implanting a structure;
11: a storage bin base; 12: a handle; 13: a first guide post; 14: a second guide post; 15: a threaded lock catch; 16: positioning the glass beads; 111: a linear hole; 112: a glass bead positioning hole; 113: an interface; 114: connecting grooves; 121: a hand position; 122: a ring; 131: a first implant channel; 132: a guide bell mouth; 141: a second implant channel; 142: a luer taper; 151: an internal thread;
21: a chamber; 22: a plug-in part; 23: and an elastic device.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present application. For the sake of brevity, the same or similar reference numerals are used for the same or similar apparatus/method steps in the description of the various embodiments of the present application.
In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
FIG. 1 is a schematic structural view of a radioactive seed implanting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a gun body in the radioactive particle implanting apparatus according to the embodiment of the present invention; FIG. 3 is a schematic view of a storage chamber of a gun body of a radioactive seed implanting apparatus according to an embodiment of the present invention; fig. 4 is a sectional view of a radioactive seed implanting apparatus according to an embodiment of the present invention at a seed storage chamber. As shown in fig. 1 to 4, the radioactive seed implanting apparatus includes a gun body 1, a seed storage chamber 2, a pusher structure 3 and an implanting structure 4; the gun body 1 comprises a storage bin seat 11, a through linear hole 111 is formed in the storage bin seat 11, the first end of the linear hole 111 is connected with the push rod structure 3, and the second end of the linear hole is connected with the implantation structure 4; the top of the storage bin seat 11 is provided with a socket 113 communicated with the linear hole 111, a cavity 21 for storing radioactive particles is arranged in the particle storage bin 2, 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 through conveying hole, and the conveying hole is communicated with the cavity 21; the insertion part 22 is inserted into the insertion port 113 to connect the storage bin base 11 and the pellet storage bin 2, and the transport hole is located in the linear hole, and the axes of the transport hole and the linear hole are overlapped, so that the pellet storage bin 2 can transport pellets to the storage bin base 11.
The plurality of radioactive seeds are arranged in the height direction of the particle storage bin 2, and an elastic means 23, such as a spring, is provided separately in the plurality of radioactive seeds apart from the transport hole, the spring being in a compressed state and having a repulsive force for driving the radioactive seeds in the transport direction, and after one radioactive seed is implanted, the radioactive seeds at the end portion are pushed into the transport hole by the repulsive force of the spring, thereby realizing continuous transport of the radioactive seeds from the particle storage bin 2 into the linear hole 111. When the radioactive particle implantation device is used, the implantation structure 4 is aligned to a focus under the assistance of the ultrasonic probe, and the push rod structure 3 is driven to send the radioactive particles into the focus through the implantation structure 4. And adjusting the implantation angle of the implantation structure 4 through the ultrasonic probe, implanting new radioactive particles into a new position by driving the push rod structure 3, and repeating the operation for multiple times to implant a plurality of radioactive particles into the focus.
As shown in fig. 2 and 3, the storage bin base 11 further comprises a bead positioning hole 112, the axis of the bead positioning hole 112 is perpendicular to the axis of the linear hole 111, and a first end of the bead positioning hole 112 is communicated with the linear hole 111, and a second end of the bead positioning hole 112 is located on the side wall of the storage bin base 11; the positioning bead 16 is connected in the bead positioning hole 112, a first end of the positioning bead 16 is located in the linear hole 111 and abuts against a sidewall of the insertion portion, thereby performing a positioning function of the particle storage bin 2, and preferably, the positioning bead 16 is connected with the bead positioning hole 112 by interference fit. In the embodiment of the present invention, the first end of the positioning bead 16 is a bead, which extends into the linear hole 111 with an adjustable length, and the bead abuts against the insertion portion, thereby realizing the tight connection between the particle storage bin 2 and the storage bin base 11.
Fig. 5 is a front view of a grip of a gun body in the radioactive seed implanting apparatus according to the embodiment of the present invention. As shown in fig. 1, 2 and 5, the gun body 1 further comprises a handle 12, the handle 12 comprises a rod body, a finger ring 122 and a hand position 121, a first end of the rod body is connected with the connecting groove 114 at the bottom of the storage bin base 11, and the length direction of the rod body is the same as the axial direction of the linear hole 111, preferably, the first end of the rod body is connected with the bottom of the storage bin base 11 by laser welding; the ring 122 is connected with one side of the rod body far away from the storage bin seat 11, and the hand position 121 is connected with the second end of the rod body. When the particle implantation gun is used, the palm of a doctor is abutted to the hand position 121, fingers are pulled on the finger ring 122, the gun body 1 can be held tightly by one hand, the structure of the grab handle 12 is added, the doctor can conveniently carry out handheld operation on the gun body 1, and the flexibility of particle implantation operation can be improved.
Fig. 6 is a schematic structural view of a first guide column of a push rod structure in a radioactive seed implanting device according to an embodiment of the present invention. As shown in fig. 1 and 6, the pusher structure 3 includes a first guide post 13 and a pusher body; a first implantation channel 131 which penetrates through the first guide column 13 is arranged in the axial direction, the first end of the first guide column 13 is inserted into the linear hole 111 from the first end of the linear hole 111 and is abutted against the first end of the insertion part, and therefore the first implantation channel 131 is communicated with the conveying hole; the first end of the main body of the push rod is arranged in the first implantation channel 131, and the second end is connected with the handle. In the push rod structure 3, the first implantation channel 131 is communicated with the conveying hole to form a linear channel, and the push rod body can freely move in the linear channel by operating the handle, so that the purpose of pushing particles to be implanted is achieved. The first end of the first guide column 13 is connected with the first end of the linear hole 111 through interference fit, and the first end of the first guide column and the first end of the linear hole are firmly connected; in addition, a guiding bell mouth 132 is arranged at the second end of the first guiding column 13, and the end aperture of the guiding bell mouth 132 is larger than the inner diameter of the first implanting channel 131, so that the insertion operation of the push rod main body is facilitated, and the quick assembly of the push rod structure 3 can be realized.
Fig. 7 is a schematic structural view of a second guide column of an implant structure in a radioactive seed implanting apparatus according to an embodiment of the present invention. As shown in fig. 7, the implantation structure 4 includes a second guide post 14 and an implantation passage needle; a through second implantation channel 141 is arranged in the second guide column 14 along the axial direction, the second end of the second guide column 14 is inserted into the linear hole 111 from the second end of the linear hole 111 and abuts against the second end of the insertion part, so that the second implantation channel 141 is communicated with the conveying hole, and preferably, the second end of the second guide column 14 is in interference fit connection with the second end of the linear hole 111; the first end of the second guide post 14 communicates with the first end of the implantation passage needle. The second implantation channel 141 of the implantation structure 4 forms a complete straight channel with the delivery hole and the first straight channel, and the implant particles enter the implantation channel needle through the second implantation channel 141, and finally, the particles enter the lesion through the implantation channel needle. In the embodiment of the present invention, the first end of the second guiding column 14 is an external tapered luer connector, and the first end of the implantation channel needle is an internal tapered luer connector; when the first end of the second guide post 14 is communicated with the first end of the implantation channel needle, the luer cones 142 of the external and internal tapered luer connectors abut.
Fig. 8 is a structural view illustrating a screw lock of an implant structure in a radioactive seed implanting apparatus according to an embodiment of the present invention. As shown in fig. 2 and 8, the implantation structure 4 further comprises a threaded lock 15, the threaded lock 15 is cylindrical, and a first port of the threaded lock 15 is connected with the outer wall of the storage chamber seat 11; the second guide column 14 penetrates through the threaded lock catch 15, the second end of the second guide column 14 penetrates through the threaded lock catch 15, and the axis of the second guide column 14 is overlapped with the axis of the threaded lock catch 15; be equipped with internal thread 151 on the inner wall of screw thread hasp 15, be equipped with the external screw thread on the outer wall of implanting the first end of passageway needle, when the first end of second guide post 14 and the first end intercommunication of implanting the passageway needle, internal thread 151 and external screw thread threaded connection. Through setting up screw thread hasp 15, can realize implanting the quick assembly disassembly operation of passageway needle and rifle body 1.
According to the technical scheme provided by the utility model, 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 radioactive particles conveyed by the particle storage bin 2, and then, the implantation operation of a plurality of particles can be realized only by adjusting the implantation position of the implantation structure 4, so that the particle implantation device has the characteristics of simple structure, flexible and convenient operation, time saving and labor saving; in addition, in the technical scheme of the utility model, the gun body 1, the particle storage bin 2, the push rod structure 3, the implantation structure 4 and the implantation channel needle are convenient to disassemble and assemble, so that the cleaning and the disinfection of non-disposable parts are facilitated, and the radioactive particle implantation device is safer and more reliable when in use.
The above-described embodiments should not be construed as limiting the scope of the utility model. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A radioactive particle implantation apparatus, comprising a gun body (1) and a particle storage chamber (2);
the gun body (1) comprises a storage bin seat (11), a through linear hole (111) is formed in the storage bin seat (11), and the top of the storage bin seat (11) is provided with a plug-in port (113) communicated with the linear hole (111);
a cavity (21) for storing radioactive particles is arranged in the particle storage bin (2), an insertion part (22) is arranged at the bottom of the particle storage bin (2), a through conveying hole is formed in the insertion part (22), and the conveying hole is communicated with the cavity (21);
the inserting part (22) is inserted into the inserting port (113) so as to realize the connection of the storage bin seat (11) and the particle storage bin (2), the conveying hole is positioned in the linear hole, and the axes of the conveying hole and the linear hole are superposed, so that the particle storage bin (2) can convey particles to the storage bin seat (11).
2. The radioactive particle implantation apparatus according to claim 1, further comprising a push rod structure (3) and an implantation structure (4), wherein the linear hole (111) has a first end connected to the push rod structure (3) and a second end connected to the implantation structure (4).
3. The radioactive particle implanting device according to claim 1, wherein the storage chamber base (11) further includes a bead positioning hole (112), an axis of the bead positioning hole (112) is perpendicular to an axis of the linear hole (111), and a first end of the bead positioning hole (112) communicates with the linear hole (111) and a second end is located on a sidewall of the storage chamber base (11);
the positioning glass bead (16) is connected in the glass bead positioning hole (112), the first end of the positioning glass bead (16) is positioned in the linear hole (111) and is abutted against the side wall of the insertion part (22), and therefore the positioning effect of the particle storage bin (2) is achieved.
4. The radioactive particle implanting device according to any one of claims 1 to 3, wherein the gun body (1) further comprises a grip (12), the grip (12) comprises a rod body, a finger ring (122) and a hand position (121), a first end of the rod body is connected with the bottom of the storage bin base (11), and the length direction of the rod body is the same as the axial direction of the linear hole (111);
the finger ring (122) is connected with one side of the rod body far away from the storage bin seat (11), and the hand position (121) is connected with the second end of the rod body.
5. The radioactive particle implanting device according to claim 4, wherein the first end of the rod body is connected to the bottom of the storage bin base (11) by laser welding.
6. The radioactive particle implantation apparatus according to claim 3, wherein the pushrod structure (3) includes a first guide post (13) and a pushrod body;
a first implantation channel (131) which penetrates through the first guide column (13) is arranged in the first guide column (13) along the axial direction, and the first end of the first guide column (13) is inserted into the linear hole (111) from the first end of the linear hole (111) and is abutted against the first end of the insertion part (22), so that the first implantation channel (131) is communicated with the conveying hole;
the first end of the push rod main body is arranged in the first implantation channel (131), and the second end of the push rod main body is connected with the handle.
7. The radioactive particle implanting device according to claim 6, wherein the second end of the first guide post (13) is provided with a guide flare (132).
8. The radioactive particle implantation apparatus according to claim 6, wherein the implantation structure (4) includes a second guide post (14) and an implantation passage needle;
a second implantation channel (141) which penetrates through the second guide column (14) is arranged in the second guide column (14) along the axial direction, and the second end of the second guide column (14) is inserted into the linear hole (111) from the second end of the linear hole (111) and is abutted against the second end of the insertion part (22), so that the second implantation channel (141) is communicated with the conveying hole;
the first end of the second guide post (14) is in communication with the first end of the implantation channel needle.
9. The radioactive particle implanting device according to claim 8, wherein the first end of the second guide column (14) is an external tapered luer, and the first end of the implanting passage needle is an internal tapered luer;
when the first end of the second guide column (14) is communicated with the first end of the implantation channel needle, the luer cones of the external conical luer connector and the internal conical luer connector are abutted.
10. The radioactive particle implanting device according to claim 8, wherein the implanting structure (4) further comprises a threaded fastener (15), the threaded fastener (15) has a cylindrical shape, and a first port of the threaded fastener (15) is connected to an outer wall of the storage chamber base (11);
the second guide column (14) penetrates through the threaded lock catch (15), the second end of the second guide column (14) penetrates through the threaded lock catch (15), and the axis of the second guide column (14) is overlapped with the axis of the threaded lock catch (15);
be equipped with internal thread (151) on the inner wall of screw thread hasp (15), be equipped with the external screw thread on the outer wall of implanting the first end of passageway needle, when the first end of second guide post (14) and the first end intercommunication of implanting the passageway needle, internal thread (151) and external screw thread threaded connection.
11. The radioactive particle implantation device according to claim 8, wherein the positioning bead (16) is connected to the bead positioning hole (112), the first guide post (13) is connected to the first end of the linear hole (111), and the second guide post (14) is connected to the second end of the linear hole (111) in an interference fit manner.
CN202120164330.XU 2021-01-21 2021-01-21 Radioactive particle implantation device Active CN215426935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120164330.XU CN215426935U (en) 2021-01-21 2021-01-21 Radioactive particle implantation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120164330.XU CN215426935U (en) 2021-01-21 2021-01-21 Radioactive particle implantation device

Publications (1)

Publication Number Publication Date
CN215426935U true CN215426935U (en) 2022-01-07

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ID=79700867

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120164330.XU Active CN215426935U (en) 2021-01-21 2021-01-21 Radioactive particle implantation device

Country Status (1)

Country Link
CN (1) CN215426935U (en)

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