A multi-row particle magazine

Abstract

The present invention provides a multi-row particle magazine, comprising a particle cover tube, a particle storage chamber and a particle driving component, wherein more than two particle storage chambers are arranged side by side in the particle cover tube, each particle storage chamber comprises a first end and a second end opposite thereto, and each particle storage chamber has an opening for loading particles; each particle storage chamber is provided with a particle driving component, and the particle driving component pushes particles from the first end to the second end; the particle cover tube is provided with a penetrating particle channel at the second end of the particle storage chamber and along the arrangement direction of the particle storage chamber, and the particle storage chamber is connected with the particle channel at its second end; switching components are provided between adjacent particle storage chambers, and the switching of adjacent particle storage chambers is completed by the switching components, thereby realizing large-capacity storage of the particle magazine.

Description

Technical Field

[0001] The invention belongs to the field of medical devices, and in particular relates to a multi-row particle magazine for storing radioactive particles. Background Art

[0002] At present, radioactive materials are widely used in scientific research, laboratories, production, medical applications and other aspects. Especially as medicines, they have been widely used in clinical applications at home and abroad. Radioactive particle implantation for the treatment of malignant tumors is a minimally invasive treatment method and a type of close-range radiotherapy. It has the advantages of simple operation and good treatment effect, and its clinical application has broad prospects.

[0003] Radioactive substances are implanted into the human body through a particle implantation device, the front end of which is connected to a puncture needle, and the rear end is connected to a push needle. The particle implantation device is provided with a particle magazine interface, through which the particle magazine is connected to the particle implantation device, and the particle channel on the particle magazine is overlapped with the particle channel on the particle implantation device, and the particles in the particle magazine are pushed into the particle channel in the particle implantation device and further pushed into the puncture needle through the push needle, and then the particles are further implanted into the lesion site.

[0004] In the prior art, the capacity of a particle magazine for radioactive particle implantation is generally around 10-15 particles, while a surgery may require up to 100 particles or even more, so it is necessary to prepare multiple magazines for replacement during the surgery. The preparation of multiple magazines and the replacement of particle magazines during surgery not only prolong the preparation time and operation time of the surgery, but also cause unnecessary ionizing radiation damage to doctors and patients; in addition, multiple particle magazines are not easy to manage and are prone to loss. Summary of the invention

[0005] In order to overcome the problem in the prior art that the capacity of particle magazines is small, resulting in the need to prepare multiple magazines, the present invention provides a multi-row particle magazine, which solves the problem of prolonged preparation time and operation time due to the preparation and replacement of multiple magazines, and unnecessary ionizing radiation damage to doctors and patients during the replacement process.

[0006] Based on the above purpose, the technical solution of the present invention is as follows:

[0007] A multi-row particle magazine comprises a particle cover tube, a particle storage cavity and a particle driving component, wherein two or more particle storage cavities are arranged side by side in the particle cover tube, each of the particle storage cavities comprises a first end and a second end opposite thereto, and each of the particle storage cavities has an opening for loading particles;

[0008] Each of the particle storage cavities is provided with a particle driving component, and the particle driving component pushes particles from the first end to the second end; the particle cover tube is provided with a penetrating particle channel at the second end of the particle storage cavity and along the arrangement direction of the particle storage cavity, and the particle storage cavity is connected to the particle channel at its second end;

[0009] A switching component is provided between adjacent particle storage chambers, each of which includes a switching lever, a particle blocking member, a first spring and a switching blocking member; one of the adjacent particle storage chambers is a particle storage chamber used first, and the other is a particle storage chamber used later;

[0010] The particle blocking member is arranged at the second end of the particle storage chamber to be used later, and the particle blocking member is located between the second end of the particle storage chamber and the particle channel; one end of the first spring is fixedly connected, and the other end is connected to the particle blocking member; one end of the switching lever acts on the switching blocking member, and the other end extends to the switching trigger end;

[0011] When there are still particles in the first used particle storage chamber, the blocking member is switched so that the particle blocking member is located at the first position. In this position, the particle blocking member blocks the particles in the later used particle storage chamber from entering the particle channel, and the particle channel remains unobstructed;

[0012] When the particles in the first-used particle storage chamber are used up, the particle driving component in the first-used particle storage chamber contacts the switching trigger end of the switching lever, the switching lever causes the switching block to shift, and the particle blocking member moves to the second position under the action of the first spring. At this position, the particles in the later-used particle storage chamber enter the particle channel, and the particle channel remains unobstructed.

[0013] Wherein, the particle driving component includes a driving spring and a push rod. Under the action of the driving spring, the push rod pushes the particles to move toward the second end of the particle storage chamber.

[0014] The driving spring of one embodiment of the present invention is a compression spring, which is sleeved on the push rod, with one end of the compression spring abutting against a fixed end and the other end abutting against the push rod.

[0015] The driving spring of another embodiment of the present invention is a tension spring, one end of which is connected to the particle cover tube, and the other end is connected to the push rod. The push rod is pulled toward the second end of the particle cover tube by the tension of the tension spring. Compared with the compression spring, the tension spring of this embodiment does not occupy the space of the particle storage chamber, and more particles can be stored in the same length.

[0016] One implementation of the particle blocking member is that the particle blocking member is provided with a through opening, and when the particle blocking member is located at the first position, the particle blocking member closes the particle storage cavity from the second end of the particle storage cavity, and the entire particle channel remains unobstructed; when the particle blocking member is located at the second position, the opening of the particle blocking member is connected to the particle storage cavity, and the entire particle channel remains unobstructed.

[0017] Another implementation method of the particle blocking element is that the particle blocking element is provided with two parallel channels, one is a first channel having an opening facing the particle storage cavity, and the other is a second channel closed facing the particle storage cavity; when the particle blocking element is located at the first position, the second channel closes the particle storage cavity from the second end of the particle storage cavity, and the entire particle channel remains unobstructed; when the particle blocking element is located at the second position, the opening of the first channel is docked with the particle storage cavity, and the entire particle channel remains unobstructed.

[0018] In order to provide sufficient movement power for the switching block, the switching component further includes a second spring, one end of the second spring is fixedly connected, and the other end is connected to the switching block.

[0019] In order to achieve accurate positioning of the particle blocking member under the action of the first spring, a positioning protrusion is provided on the particle blocking member.

[0020] The present invention also provides a particle implantation device including the above-mentioned multi-row particle magazine, which can reduce the number of times the particle magazine is replaced in one operation or eliminate the need to replace the particle magazine.

[0021] The present invention has the following beneficial effects:

[0022] The particle magazine of the present invention is provided with a plurality of particle storage chambers. When the particles in one of the particle storage chambers are exhausted, the particle storage chamber that has exhausted the particles will trigger the switching component, so that the particle blocking member of the adjacent particle storage chamber changes position, and the switching of the particle storage chamber is completed, thereby realizing large-capacity storage and use of the particle magazine, significantly improving the surgical efficiency, and in particular improving the efficiency of automatic particle implantation. In addition, the particle magazine of the present invention is a purely mechanical structure, without electrical components, and is convenient for cleaning and sterilization.

[0023] The following is a detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, and those skilled in the art will be more aware of the above and other objects, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary but not limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0025] Figure 1 is a front view of an embodiment of a multi-row particle magazine of the present invention, showing a state in which each particle storage cavity of the particle magazine is fully filled;

[0026] Figure 2 yes Figure 1 A partial enlarged view of the switching component;

[0027] Figure 3 yes Figure 1 Right view of;

[0028] Figure 4 yes Figure 1 Rear view of

[0029] Figure 5 yes Figure 1 A front view of another state of the multi-row particle magazine, in which the particles in the first used particle storage chamber are exhausted and the adjacent particle storage chamber used later is triggered to be put into use;

[0030] Figure 6 yes Figure 5 Right view of;

[0031] Figure 7 is a front view of another embodiment of a multi-row particle magazine of the present invention, showing a state in which each particle storage cavity of the particle magazine is fully filled;

[0032] Figure 8 yes Figure 7 A front view of another state of the multi-row particle magazine, in which the particles in the first used particle storage chamber are exhausted and the adjacent particle storage chamber used later is triggered to be put into use;

[0033] Fig. 9 yes Figure 1 A perspective view and a top view of a first embodiment of a particle barrier;

[0034] Fig.10 yes Figure 1 A perspective view and a top view of a second embodiment of a particle barrier;

[0035] Fig.11 yes Figure 1 A perspective view and a top view of a third embodiment of a particle barrier;

[0036] Fig.12 yes Figure 1 A perspective view and a top view of a fourth embodiment of a particle barrier;

[0037] Fig.13 yes Fig. 9 A top view of a particle barrier disposed in a recess;

[0038] Fig.14 It is a schematic diagram of the multi-row particle magazine of the present invention when the switching is not triggered;

[0039] Fig.15 yes Fig.14 A cross-sectional schematic diagram of the particle storage chamber on the left;

[0040] Fig.16 It is a schematic diagram of the trigger switching of the multi-row particle magazine of the present invention;

[0041] Fig.17 yes Fig.16 Schematic cross-section of the particle storage chamber on the left. DETAILED DESCRIPTION

[0042] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific implementation disclosed below.

[0043] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right", "upper", "lower" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0045] like Figure 1-6As shown, it is an embodiment of the present invention, the multi-row particle magazine includes a particle cover tube 1, and four particle storage chambers 2, 2', 2", 2"' are arranged side by side in the particle cover tube 1 (there can be more than two particle storage chambers, not limited to four here), each particle storage chamber includes a first end 3 and a second end 4 opposite thereto, each particle storage chamber has an opening for loading particles, which is used to load particles into the particle storage chamber, and the opening can be projected at the first end of the particle storage chamber, and can also be set on the side of the particle storage chamber. Each particle storage chamber is provided with a particle driving component 5, and the particle driving component 5 pushes the particles from the first end to the second end. The particle cover tube 1 is provided with a penetrating particle channel 6 at the second end of the particle storage chamber and along the arrangement direction of the particle storage chamber, and the particle storage chambers are connected to the particle channel 6 at their second ends.

[0046] A switching component 7 is provided between adjacent particle storage chambers, and each switching component 7 includes a switching lever 71, a particle blocking component 72, a first spring 73 and a switching blocking component 74; among the adjacent particle storage chambers, one is a particle storage chamber used first, and the other is a particle storage chamber used later, such as particle storage chamber 2 is adjacent to particle storage chamber 2', particle storage chamber 2 is the particle storage chamber used first, and particle storage chamber 2' is the particle storage chamber used later, and particle storage chamber 2' is adjacent to particle storage chamber 2", particle storage chamber 2' is the particle storage chamber used first, and particle storage chamber 2" is the particle storage chamber used later.

[0047] Taking the switching component between the particle storage chamber 2 and the particle storage chamber 2' as an example, the particle blocking member 72 is arranged at the second end of the particle storage chamber 2' to be used later and is located in the particle channel 6; one end of the first spring 73 is fixedly connected, and the other end is connected to the particle blocking member 72; one end 711 of the switching lever 71 acts on the switching block 74, and the other end extends to the switching trigger end 712. When there are still particles in the particle storage chamber 2 used earlier, the switching block 74 makes the particle blocking member 72 located at the first position, at which position, the particle blocking member 72 blocks the particles in the particle storage chamber 2' to be used later from entering the particle channel 6, and the particle channel 6 remains unobstructed. When the particles in the particle storage chamber 2 used earlier are exhausted, the particle driving member 5 in the particle storage chamber 2 used earlier contacts the switching trigger end 712 of the switching lever 71, and the switching lever 71 causes the switching block 74 to be displaced, and the particle blocking member 72 moves to the second position under the action of the first spring 73, at which position, the particles in the particle storage chamber 2' to be used later enter the particle channel 6, and the particle channel 6 remains unobstructed.

[0048] The particle driving component 5 includes a driving spring 51 and a push rod 52. The push rod 52 is inserted into the particle storage chamber. Under the action of the driving spring 51, the push rod 52 pushes the particles to move toward the second end of the particle storage chamber.

[0049] In this embodiment, the driving spring 51 is specifically a tension spring, one end of which is connected to the particle cover tube 1, and the other end is connected to the push rod 52. In order to fix the tension spring, a tension spring fixing seat 53 can also be provided on the particle magazine 1, and a push rod connecting piece 54 can be provided on the push rod 52, one end of the tension spring is connected to the tension spring fixing seat 53, and the other end is connected to the push rod connecting piece 54, and the push rod pushes the particles to move toward the second end of the particle storage chamber through the tension of the tension spring.

[0050] like Figure 7 , 8 As shown, another implementation of the particle driving component 5 is shown. Specifically, the driving spring 51 is a compression spring, which is sleeved on the push rod 52, and one end of the compression spring abuts against a fixed end, and the other end abuts against the push rod 52; the fixed end mentioned here can be a fixed end outside the particle storage cavity, or a fixed end located inside the particle storage cavity. For example, the first end of the particle storage cavity has an opening, and after the particles, the push rod and the compression spring are loaded, a fixing piece can be screwed into the opening at the first end of the particle storage cavity, so that one end of the compression spring abuts against the fixing piece.

[0051] like Fig. 9 As shown, Figure 1 The particle blocking member 72 is provided with a through opening 721. When the particle blocking member 72 is in the first position, the particle blocking member 72 closes the particle storage cavity from the second end of the particle storage cavity, and the entire particle channel 6 remains unobstructed; when the particle blocking member 72 is in the second position, the opening 721 of the particle blocking member 72 docks with the second end of the particle storage cavity, and the particles in the particle storage cavity can enter the particle channel 6, and the entire particle channel 6 remains unobstructed. The opening 721 of the particle blocking member 72 can also be Fig.10 The shape in the embodiment also satisfies the requirement of closing the second end of the particle storage chamber in the first position and opening the second end of the particle storage chamber in the second position.

[0052] like Fig.11 As shown, Figure 1 A three-dimensional view and a top view of another embodiment of the particle blocking member 72 in FIG. The particle blocking member 72 is provided with two parallel channels 722 and 723, one is a first channel 722 with an opening facing the particle storage cavity, and the other is a second channel 723 closed facing the particle storage cavity; when the particle blocking member 72 is located in the first position, the second channel 723 closes the particle storage cavity from the second end of the particle storage cavity, and the entire particle channel 6 remains unobstructed; when the particle blocking member 72 is located in the second position, the opening of the first channel 722 docks with the particle storage cavity, and the particles in the particle storage cavity can enter the particle channel, and the entire particle channel 6 remains unobstructed. The first channel and the second channel of the particle blocking member 72 can also be Fig.12The shape in the embodiment also satisfies the requirement of closing the second end of the particle storage chamber in the first position and opening the second end of the particle storage chamber in the second position. Fig.11 and Fig.12 The particle barrier in Fig. 9 , 10 The particle barrier in the particle channel 6 has a portion that matches the particle channel 6 (whether Fig.11 A complete passage in Fig.12 The upper half of the middle channel) can effectively reduce the accumulation of particles in the particle channel below the second end of the particle storage cavity and prevent material jamming.

[0053] In order to realize the switching of the particle storage chamber by changing the position of the particle blocking member 72, specifically, one end of the switching lever 71 is a switching trigger end 712, and the other end 711 acts with the switching blocking member 74. Figure 1-4 As shown in 14-15, when there are still particles in the first-used particle storage chamber 2, the switching trigger end 712 of the switching lever 71 is not acted upon by the push rod connector 54 of the particle driving component 5 in the first-used particle storage chamber 2, and the switching stopper 74 presses the other end 711 of the switching lever 71 downward under the action of gravity, and the switching stopper 74 blocks the particle blocking member 72 from the front (the "front" is Figure 1 The side facing out of the paper in the main view, that is, Figure 3 The particle blocking member 72 is connected to the rear of the first spring 73 (the “rear” is Figure 1 The side facing the inside of the paper in the main view, that is, Figure 3 Here, the first spring 73 is a compression spring, and the other end of the first spring 73 can abut against the first spring fixing seat 75, for example. Due to the blocking of the switching block 74, the particle blocking member 72 cannot move forward, and is thus in the first position, such as Figure 3 , 15 As shown. Figure 5-6 As shown in FIGS. 16-17, when the particles in the first-used particle storage chamber 2 are used up, the push rod connector 54 of the particle driving component 5 in the first-used particle storage chamber 2 contacts the switching trigger end 712 of the switching lever 71, and the other end 711 of the switching lever 71 tilts upward, causing the switching stopper 74 to move upward, and the particle blocking member 72 moves forward to the second position under the action of the first spring 73, as shown in FIGS. Figure 6 , 17 As shown, in this position, the particles in the particle storage chamber 2' used later enter the particle channel 6, and the particle channel 6 remains unobstructed.

[0054] In these embodiments, the switching block 74 blocks the movement of the particle blocking member 72 from one end of the particle blocking member 72, but is not limited to this implementation. For example, a notch 724 may be provided on the particle blocking member 72. Fig.13 As shown, it is Fig. 9 Corresponding to the particle barrier in Fig.13 The picture above shows a through notch. Fig.13 In the figure below, there is a non-through notch on the surface of the particle blocking member. When the particle blocking member 72 is located at the first position, the switching block 74 cooperates with the particle blocking member 72 through the notch 724 to block the movement of the particle blocking member 72. When the switching block 74 is separated from the notch 724, the particle blocking member 72 moves to the second position.

[0055] In these embodiments, the first spring 73 is a compression spring, which pushes the particle blocking member 72 forward from the rear. In fact, it is not limited to this implementation method. For example, the first spring 73 can also be set in the front and changed to a tension spring to pull the particle blocking member 72 forward.

[0056] In these embodiments, when the switch trigger end 712 of the switch lever 71 is not acted upon by the push rod connector 54 of the particle driving component 5 in the particle storage chamber 2 that is used first, the switch block 74 presses the other end 711 of the switch lever 71 downward by gravity and blocks the movement of the particle blocking component. In order to make the switch block more stable in this state and to enable the particle magazine to work in any state, the switch component may further include a second spring 76, one end of the second spring 76 is fixedly connected and the other end is connected to the switch block 74; the second spring 76 may be a compression spring that presses the switch block 74 downward, or may be a tension spring that pulls the switch block 74 downward, so that the switch block 74 can be in a state of blocking the movement of the particle blocking component 72 instead of relying on gravity, but relying on spring force. Regarding the fixed end of the second spring 76, for example, it may be Figure 1-2 The switch block guide seat 77 shown in the figure. The switch block guide seat 77 has a guide groove 771, and the switch block 74 has a protrusion 741. On the one hand, the switch block 74 interacts with the one end 711 of the switch lever 71 through the protrusion 741, and on the other hand, the switch block 74 also cooperates with the guide groove 771 of the switch block guide seat 77 through the protrusion 741 to guide the up and down movement of the switch block 74.

[0057] like Figure 3 , 6 As shown in Figures 9-13, in order to achieve precise positioning of the particle blocking member 72 under the action of the first spring 73, a positioning protrusion 725 is provided on the particle blocking member 72. When the positioning protrusion 725 contacts the outer wall of the particle cover tube 1, the particle blocking member 72 is exactly in the second position.

[0058] The working principle of the multi-row particle magazine of one embodiment of the present invention is as follows, wherein the particle blocking member 72 adopts Fig.11 Implementation method:

[0059] like Figure 14-17As shown, combined with Figure 1-6 When the particle magazine of the present invention is installed on the particle implantation device, the particles in the rightmost particle storage chamber 2 can enter the particle channel 6 ("left" and "right" are relative to the main view), and the particles in other particle storage chambers cannot enter the particle channel 6. At this time, the switching block 74 blocks the movement of the particle blocking member 72, the first spring 73 is in a compressed state, and the second channel 723 on the particle blocking member 72 coincides with the particle channel 6, blocking the particles in the particle storage chambers 2', 2", and 2"' from entering the particle channel 6. At the same time, the particle channel 6 remains unobstructed, so that the particle push pin can enter the channel and push the particles in the particle storage chamber 2 into the particle channel.

[0060] When the particles in the particle storage chamber 2 are used up, the switching component 7 between the particle storage chamber 2 and the particle storage chamber 2' is actuated. Specifically, the push rod connector 54 of the push rod 52 in the particle storage chamber 2 triggers the switching lever 71, causing the switching block 74 to lift upward. At this time, the first spring 73 pushes the particle blocking member 72 to move in the opposite direction of compression, causing the first channel 722 to coincide with the particle channel 6. At this time, the particles in the particle storage chamber 2' enter the particle channel 6, completing the switching of the particle storage chamber.

[0061] In the embodiment, the initial state of the switch lever 71 can be the horizontal state shown in the figure, or can be the state of the end close to the particle storage chamber 2' being tilted downward, and the trigger state is the state of the lever being horizontal. There are n (n≥2, and n is an integer) particle storage chambers, and n-1 switch components can be set.

[0062] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived based on the content disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all these other variations or modifications.

Claims

1. A multi-row particle magazine, comprising a particle cover, a particle storage chamber and a particle driving component, characterized in that: More than two particle storage cavities are arranged side by side in the particle cover tube, each of the particle storage cavities comprises a first end and a second end opposite thereto, and each of the particle storage cavities has an opening for loading particles; Each of the particle storage cavities is provided with a particle driving component, and the particle driving component pushes particles from the first end to the second end; the particle cover tube is provided with a penetrating particle channel at the second end of the particle storage cavity and along the arrangement direction of the particle storage cavity, and the particle storage cavity is connected to the particle channel at its second end; A switching component is provided between adjacent particle storage chambers, each of which includes a switching lever, a particle blocking member, a first spring and a switching blocking member; one of the adjacent particle storage chambers is a particle storage chamber used first, and the other is a particle storage chamber used later; The particle blocking member is arranged at the second end of the particle storage chamber to be used later, and the particle blocking member is located between the second end of the particle storage chamber and the particle channel; one end of the first spring is fixedly connected, and the other end is connected to the particle blocking member; one end of the switching lever acts on the switching blocking member, and the other end extends to the switching trigger end; When there are still particles in the first used particle storage chamber, the blocking member is switched so that the particle blocking member is located at the first position. In this position, the particle blocking member blocks the particles in the later used particle storage chamber from entering the particle channel, and the particle channel remains unobstructed; When the particles in the first-used particle storage chamber are used up, the particle driving component in the first-used particle storage chamber contacts the switching trigger end of the switching lever, the switching lever causes the switching block to shift, and the particle blocking member moves to the second position under the action of the first spring. At this position, the particles in the later-used particle storage chamber enter the particle channel, and the particle channel remains unobstructed.

2. A multi-row particle magazine according to claim 1, characterized in that: The particle driving component includes a driving spring and a push rod. Under the action of the driving spring, the push rod pushes the particles to move toward the second end of the particle storage chamber.

3. A multi-row particle magazine according to claim 2, characterized in that: The driving spring is a compression spring, which is sleeved on the push rod, and one end of the compression spring abuts against a fixed end, and the other end abuts against the push rod.

4. A multi-row particle magazine according to claim 2, characterized in that: The driving spring is a tension spring, one end of which is connected to the particle cover tube, and the other end of which is connected to the push rod.

5. A multi-row particle magazine according to claim 1, characterized in that: The particle blocking member is provided with a through opening. When the particle blocking member is located at the first position, the particle blocking member closes the particle storage cavity from the second end of the particle storage cavity, and the entire particle channel remains unobstructed; when the particle blocking member is located at the second position, the opening of the particle blocking member is connected to the particle storage cavity, and the entire particle channel remains unobstructed.

6. A multi-row particle magazine according to claim 1, characterized in that: The particle blocking member is provided with two parallel channels, one is a first channel having an opening facing the particle storage cavity, and the other is a second channel closed facing the particle storage cavity; when the particle blocking member is located at the first position, the second channel closes the particle storage cavity from the second end of the particle storage cavity, and the entire particle channel remains unobstructed; when the particle blocking member is located at the second position, the opening of the first channel docks with the particle storage cavity, and the entire particle channel remains unobstructed.

7. A multi-row particle magazine according to claim 1, characterized in that: The switching component also includes a second spring, one end of which is fixedly connected and the other end of which is connected to the switching stopper.

8. A multi-row particle magazine according to claim 1, characterized in that: The particle blocking member is provided with a positioning protrusion.

9. A particle implantation device, characterized in that: The particle implantation device comprises a multi-row particle magazine as described in any one of claims 1-8.

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