CN218636464U

CN218636464U - Quick-connection positioning mechanism for radioactive particle magazine and particle needle

Info

Publication number: CN218636464U
Application number: CN202221588641.XU
Authority: CN
Inventors: 李成利; 何祥蒙; 柳明; 许玉军
Original assignee: Shandong Qihang Ark Medical Technology Co ltd; Zhishan Interventional Ablation Technology Research Institute Nanjing Co ltd
Current assignee: Shandong Qihang Ark Medical Technology Co ltd; Zhishan Interventional Ablation Technology Research Institute Nanjing Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-03-17
Anticipated expiration: 2032-06-23

Abstract

The utility model relates to a technical field of interventional therapy equipment discloses a radiation particle magazine and particle needle connect positioning mechanism soon, including wearing to establish push rod pipe in the particle magazine, be connected with sub-connecting piece after the particle magazine is worn out to the push rod pipe, the one end of the relative puncture head of particle needle is connected with the female connecting piece with sub-connecting piece looks adaptation. The beneficial effect of this application does: the particle magazine and the particle needle are connected by using the mechanism, so that the center centering of the push rod catheter and the particle needle can be ensured, and the push rod catheter and the particle needle can be conveniently and quickly connected to the sub-connecting piece through the female connecting piece, so that the use convenience is improved.

Description

Quick-connection positioning mechanism for radioactive particle magazine and particle needle

Technical Field

The application relates to the technical field of interventional therapy equipment, in particular to a quick-connection positioning mechanism and a kit for a radioactive particle magazine and a particle needle.

Background

The inter-tissue radioactive particle implantation therapy is also called internal radiotherapy particle implantation therapy, and is characterized in that radioactive particles are implanted into tumors or the periphery of the tumors, and cancer cells are killed by utilizing rays emitted by a particle source core, so that the purposes of treating and relieving diseases are achieved. The inter-tissue radioactive particle implantation therapy has been used for the treatment of various solid tumors, such as prostate cancer, breast cancer, liver cancer, brain tumor, ovarian cancer and the like, achieves the same treatment effect as surgical operation and external radiotherapy, and has the advantages of small wound, small side effect and low recurrence rate. The implantation equipment for the implantation treatment of the internal radiotherapy particles has some defects, brings some inconvenience to the clinical treatment and influences the clinical popularization of the implantation treatment of the internal radiotherapy particles.

In view of the prior art, the inventor considers that the following defects exist: the connection mode of the magazine base and the particle needle is basically threaded connection, the magazine base and the particle needle can be connected into a whole by rotating the magazine base and the particle needle for multiple circles by medical staff, and the use of the magazine base and the particle needle by the medical staff is not simple and convenient enough;

in addition, during the operation, the particle needle is directly needled to the tumor part needing the radiation particles, the position is very accurate, and if a threaded connection mode is adopted, the position of the particle needle can be changed during the rotation process, so that the problem that the radiation particles cannot be accurately inserted is caused.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the operation, improve the convenience of using, this application provides a radiation particle magazine and particle needle connect positioning mechanism and external member soon.

The application provides a radio particle magazine and particle needle connect positioning mechanism and external member soon adopts following technical scheme:

first aspect, this application provides a radiation particle magazine and particle needle connect positioning mechanism soon, including wearing to establish push rod pipe in the particle magazine, be connected with sub-connecting piece after the push rod pipe wears out the particle magazine, the one end of the relative puncture head of particle needle is connected with the female connecting piece with sub-connecting piece looks adaptation.

By adopting the technical scheme: the particle magazine and the particle needle are connected by using the mechanism, so that the center centering of the push rod catheter and the particle needle can be ensured, and the push rod catheter and the particle needle can be conveniently and quickly connected to the sub-connecting piece through the female connecting piece, so that the use convenience is improved.

Optionally, the sub-connecting piece comprises a connecting block fixed on the lower portion of the particle magazine, an annular clamping groove is formed in the connecting block, the lower end of the push rod guide pipe penetrates through the connecting block, and a guide block is arranged on the lower portion of the annular clamping groove.

By adopting the technical scheme: the annular clamping groove is used for being connected with the female connecting piece, and the guide block guides when being used for installation, so that the annular clamping groove is convenient to align and connect.

Optionally, the lower side wall of the ring-shaped clamping groove is a downward inclined guide slope.

By adopting the technical scheme: through setting up the direction inclined plane, the separation of female connecting piece and son connecting piece of being convenient for can realize the fast-assembling quick detach.

Optionally, the female connecting piece includes the elastic block who sets up on particle needle top, be equipped with the joint arch that suits with ring groove on the elastic block, the bellied downside of joint is equipped with the guide way with guide block looks adaptation.

By adopting the technical scheme: during installation, the clamping protrusions are clamped in the annular clamping grooves to realize fixation, and the guide grooves are matched with the guide blocks to facilitate centering installation.

The following technical scheme can be adopted to realize connection, specifically as follows:

the sub-connecting piece comprises a connecting block at the lower part, the lower end of the push rod guide pipe is arranged in the connecting block in a penetrating way, and an elastic clamping column is arranged on the connecting block;

the female connecting piece comprises a connecting block arranged at the top end of the particle needle, a positioning groove is formed in the connecting block, and a positioning hole matched with the elastic clamping column is formed in the bottom of the positioning groove.

The second aspect, this application provides a special magazine base of radioactive particles and particle needle cover spare, including magazine base and particle needle, magazine base and particle needle connect positioning mechanism through the aforesaid soon and connect.

By adopting the technical scheme: the magazine base and the particle needle can be quickly installed in a centering mode, time is saved, and operation is convenient.

Optionally, a slot is arranged on the side surface of the magazine base, and a particle magazine is inserted into the slot.

By adopting the technical scheme: the particle magazine is inserted inside the particle magazine through the slot, and is convenient and fast.

Optionally, the particle magazine includes a casing with one end capable of being inserted into the slot, a telescopic rod is arranged in the casing, one end of the telescopic rod is connected with the end of the casing, the other end of the telescopic rod is connected with a push block, and a spring is sleeved on the telescopic rod.

By adopting the technical scheme: through telescopic link and spring, can push the particle source to the push rod pipe in, through the push rod with the particle source through particle needle propelling movement to tumour department.

Optionally, a hand piece is arranged on the magazine base.

By adopting the technical scheme: the medical staff can conveniently hold the medical staff by arranging the hand-held piece.

Optionally, the handpiece comprises two handle rings that provide the tip of the pusher catheter.

By adopting the technical scheme: the hand-held ring is simple in structure and convenient to use.

Optionally, a guide opening for a push rod to enter is arranged between the two hand-held rings.

By adopting the technical scheme: the push rod can be conveniently inserted into the push rod catheter, and the operation is convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the particle magazine and the particle needle are connected by using the mechanism, so that the center alignment of the push rod conduit and the particle needle can be ensured, and the push rod conduit and the particle needle can be conveniently and quickly connected to the secondary connecting piece through the female connecting piece, so that the use convenience is improved;

2. the particle magazine and the particle needle are connected by using the mechanism, so that the center centering of the push rod catheter and the particle needle can be ensured, and the push rod catheter and the particle needle can be conveniently and quickly connected to the sub-connecting piece through the female connecting piece, so that the use convenience is improved.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;

FIG. 2 is a schematic structural diagram of a particle needle according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a kit according to a first embodiment of the present application;

FIG. 4 is a schematic view of a particle magazine according to an embodiment of the present application;

FIG. 5 is another overall structure diagram of the kit according to the first embodiment of the present application;

FIG. 6 is a schematic overall structure diagram of a second embodiment of the present application;

FIG. 7 is an enlarged schematic view of the structure at A of FIG. 6 in the second embodiment of the present application;

fig. 8 is a schematic top view of a female connection member according to a second embodiment of the present application.

Description of reference numerals: 100. a particle magazine; 200. a push rod catheter; 300. a sub-connector; 310. connecting blocks; 320. an annular neck; 330. a guide block; 340. a guide slope; 350. An elastic clamping column; 400. a female connector; 410. an elastic block; 420. clamping the bulges; 430. a guide groove; 450. positioning a groove; 460. positioning holes; 470. returning the elastic sheet; 480. rebounding the push rod; 500. A particle magazine; 510. a housing; 520. a telescopic rod; 530. a push block; 540. a spring; 600. A handpiece; 700. the push rod enters the guide port; 800. and (4) a particle needle.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

Example one

The embodiment of the application discloses a radiation particle magazine and a quick-connection positioning mechanism and a kit of a particle needle.

Referring to fig. 1 to 5, the following technical solutions are adopted in the quick-connect positioning mechanism and the kit for a radioactive particle magazine and a particle needle provided in this embodiment:

in a first aspect, the present embodiment provides a positioning mechanism for fast connection of a radioactive particle magazine 100 and a particle needle 800, including a push rod conduit 200 penetrating through the particle magazine 100, the push rod conduit 200 being used for inserting a push rod to push a particle source, the push rod conduit 200 penetrating through the particle magazine 100 being connected with a secondary connecting member 300, and one end of the particle needle 800 opposite to the piercing head being connected with a female connecting member 400 adapted to the secondary connecting member 300. The particle magazine 100 and the particle needle 800 are connected by using the mechanism, so that the center alignment of the push rod catheter 200 and the particle needle 800 can be ensured, and the push rod catheter can be conveniently and quickly connected to the sub-connector 300 through the female connector 400, and the use convenience is improved.

Specifically, the sub-connector 300 includes a connection block 310 fixed to the lower portion of the pellet magazine 100, an annular groove 320 is formed in the connection block 310, the lower end of the push rod guide tube 200 is inserted into the connection block 310, and a guide block 330 is disposed at the lower portion of the annular groove 320. The ring-shaped slot 320 is used for connecting with the female connector 400, and the guide block 330 is used for guiding during installation, so that centering connection is facilitated.

In order to realize the guiding function during installation and facilitate installation of the centering, the lower side wall of the ring slot 320 is a guiding inclined plane 340 inclined downwards. Through setting up direction inclined plane 340, be convenient for female connecting piece 400 and son connecting piece 300 separation, can realize fast-assembling quick detach.

The female connector 400 in this embodiment includes an elastic block 410 disposed at the top end of the particle needle 800, a clamping protrusion 420 adapted to the annular clamping groove 320 is disposed on the elastic block 410, and a guide groove 430 adapted to the guide block 330 is disposed on the lower side of the clamping protrusion 420. During installation, the clamping protrusion 420 is clamped and fixed in the ring-shaped clamping groove 320, and the guide groove 430 is matched with the guide block 330 to facilitate centering installation.

In a second aspect, the present application provides a special magazine base and particle needle 800 kit for radioactive particles, including magazine base and particle needle 800, magazine base and particle needle 800 are connected through the above-mentioned quick-connect positioning mechanism. The magazine base and the particle needle 800 can be quickly installed in a centering mode, time is saved, and operation is convenient.

To facilitate installation of the particle magazine 500, a slot is provided in a side of the magazine base, and the particle magazine 500 is inserted into the slot. The particle magazine 500 is inserted into the particle magazine 100 through the slot, which is convenient and fast.

In this embodiment, the particle magazine 500 includes a housing 510 having one end insertable into the slot, a telescopic rod 520 is disposed in the housing 510, one end of the telescopic rod 520 is connected to an end of the housing 510, the other end of the telescopic rod 520 is connected to a push block 530, and a spring 540 is sleeved on the telescopic rod 520. The particle source can be pushed into the pusher catheter 200 by the telescoping rod 520 and spring 540, where it is pushed through the particle needle 800 to the tumor by the pusher.

In order to facilitate the hand-held operation, the magazine base is provided with a hand piece 600. The medical staff can conveniently hold the hand-held operation by arranging the hand-held piece 600.

Specifically, the handpiece 600 includes two hand-held rings that position the tip of the pusher catheter 200. The hand-held ring has simple structure and convenient use.

To facilitate insertion of the pushrod into the pushrod conduit 200, a guide port 700 for the pushrod to enter is provided between the two hand-held rings. The push rod can be conveniently inserted into the push rod conduit 200, and the operation is convenient.

Example two

Referring to fig. 6 to 8, the present embodiment is different from the first embodiment in that:

the sub-connector 300 in this embodiment includes a lower connection block 310, the lower end of the push rod guide tube 200 is inserted into the connection block 310, and an elastic clamping column 350 is disposed on the connection block 310;

the female connector 400 comprises a connecting block 310 arranged at the top end of the particle needle 800, a positioning groove 450 is arranged on the connecting block 310, and a positioning hole 460 matched with the elastic clamping column 350 is arranged at the bottom of the positioning groove 450.

The second embodiment has the working principle that: when the docking is realized, the elastic clamping columns 350 are aligned with the positioning grooves 450, the particle magazine 100 is pushed downwards under the condition that the particle needles 800 are fixed, in the process that the particle magazine 100 moves downwards, the two elastic clamping columns 350 shrink towards the center line of the push rod guide pipe 200, and when the bottom of the positioning grooves 450 is pushed, the elastic clamping columns 350 pop out to pass through the positioning holes 460 to realize the fixation.

When the particle magazine 100 needs to be disassembled, in order to facilitate the elastic clamping columns 350 to contract, the lower parts of the particle magazine 100 are provided with the rebound pieces 470, the rebound pieces 470 are provided with the rebound push rods 480, and the rebound push rods 480 on the rebound pieces 470 are pinched by hands to push the elastic clamping columns 350 to contract and separate from the connecting blocks 310 so as to pull out the particle magazine 100 outwards.

The components in the first embodiment and the second embodiment of the application can be made of medical sterile materials.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a radiation particle magazine and particle needle connect positioning mechanism soon which characterized in that: the particle bullet magazine comprises a push rod catheter (200) arranged in a particle bullet magazine (100) in a penetrating mode, the push rod catheter (200) penetrates out of the particle bullet magazine (100) and is connected with a sub-connecting piece (300), and one end, opposite to a puncture head, of a particle needle (800) is connected with a female connecting piece (400) matched with the sub-connecting piece (300).

2. The mechanism of claim 1, wherein the mechanism comprises: the sub-connecting piece (300) comprises a connecting block (310) fixed to the lower portion of the particle magazine (100), an annular clamping groove (320) is formed in the connecting block (310), the lower end of the push rod guide pipe (200) penetrates through the connecting block (310), and a guide block (330) is arranged on the lower portion of the annular clamping groove (320).

3. The mechanism of claim 2, wherein the mechanism comprises: the lower side wall of the annular clamping groove (320) is a guide inclined plane (340) which inclines downwards.

4. The mechanism of claim 3, wherein the mechanism comprises: female connecting piece (400) have elasticity, and it is including setting up elastic block (410) on particle needle (800) top, be equipped with on elastic block (410) with ring groove (320) the protruding (420) of joint that suits, the downside of the protruding (420) of joint is equipped with guide way (430) with guide block (330) looks adaptation.

5. The mechanism of claim 1, wherein the mechanism comprises: the sub-connecting piece (300) comprises a connecting block (310) at the lower part, the lower end of the push rod guide pipe (200) penetrates through the connecting block (310), and an elastic clamping column (350) is arranged on the connecting block (310);

female connecting piece (400) is including setting up connecting block (310) on particle needle (800) top, be equipped with constant head tank (450) on connecting block (310), the bottom of constant head tank (450) is equipped with locating hole (460) with elasticity card post (350) complex.