CN211271034U

CN211271034U - Self-locking pen type universal particle implantation equipment

Info

Publication number: CN211271034U
Application number: CN201921786535.0U
Authority: CN
Inventors: 常伟; 卫琴静
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-18
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a self-locking pen type general type particle implantation equipment, including promoting subassembly, particle accumulator, fixed pipe and firing pin, it includes ejector pad and elastic cylinder to promote the subassembly, fixed intraductal end cover is equipped with the outer tube, the spout has been seted up on the outer tube both sides limit wall, the inside slidable mounting of fixed pipe has the firing pin, fixed intraductal threaded connection has the locking pipe, locking pipe one end is stretched into to fixed intraduct, and the one of stretching into serves and be provided with the connecting block, the connecting block symmetries is provided with four groups and constitutes approximate cone structure, and the inside reservation of four groups of connecting blocks has first through-hole, intercommunication between connecting block and the locking pipe. The self-locking pen type universal particle implantation equipment is reasonable in structure, high in use comfort, convenient to operate and capable of being widely used.

Description

Self-locking pen type universal particle implantation equipment

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to self-locking pen type general type particle implantation equipment.

Background

The seed implantation is generally called "radioactive seed implantation treatment technology", which is a treatment method that a radioactive source is implanted into a tumor to destroy the tumor, and the seed implantation treatment technology relates to the radioactive source, the core of which is a radioactive seed, and a substance called iodine 125 is clinically used at present. Each iodine 125 particle acts like a small sun with the strongest rays near its center, minimizing damage to normal tissues. The particle implantation treatment dates back to the beginning of the last century, and at present, prostate cancer in the early stage of radioactive particle implantation treatment has become a standard treatment means in the countries such as the United states and the like, and the treatment concept is gradually approved in China.

At present, the particle transplantation equipment structure is fixed, and the cooperation is not inseparable, and the particle that drops is become flexible easily, when using, can't give medical personnel propulsive feeling, uses the travelling comfort low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-locking pen type general type particle implantation equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a self-locking pen type universal particle implantation device comprises a pushing assembly, a particle storage device, a fixed tube and a firing pin, wherein the pushing assembly comprises a pushing block and an elastic cylinder, an outer tube is sleeved outside the fixed tube, sliding grooves are formed in the side walls of the two sides of the outer tube, the firing pin is slidably mounted inside the fixed tube, a locking tube is in threaded connection with the inside of the fixed tube, one end of the locking tube extends into the fixed tube, a connecting block is arranged at one end of the locking tube, the four groups of the connecting blocks are symmetrically arranged to form an approximate cone structure, a first through hole is reserved inside the four groups of the connecting blocks, the connecting blocks are communicated with the locking tube, the connecting block is hinged to the locking tube on a circular surface, an external thread is arranged on the outer wall of one end, facing the inside of the fixed tube, and a limiting groove, the limit groove is fixedly connected with the fixed pipe through threads, two groups of push blocks are symmetrically and fixedly connected to the rod wall of the firing pin, one end of each push block is fixedly connected with an inner rod, the inner rods are elastically connected inside the elastic cylinder, a particle storage device is vertically arranged on the upper surface of the fixed pipe, and the bottom end of the particle storage device extends into the second through hole.

Preferably, a second through hole is formed in the fixing pipe, and the second through hole is communicated with the first through hole.

Preferably, the ejector pad passes fixed pipe sliding connection inside the spout, the one end that the ejector pad was kept away from to the interior pole stretches into to the elastic tube inside, and the symmetry is provided with two sets of sliders on the one end pole wall that stretches into, the slider is perpendicular distribution with interior pole, and the butt is on the inner wall of elastic tube.

Preferably, one end of the inner rod is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected to the inner wall of the elastic barrel.

Preferably, the fixed pipe is provided with a sliding opening for the push block to slide, and the bottom end face of the outer pipe is fixedly provided with a handle.

The utility model discloses a technological effect and advantage: this equipment is implanted to general type particle of self-locking pen type, can lock the pjncture needle through rotatory locking tube, make its auto-lock through the screw thread, the simple operation, it is tight with the pjncture needle clamp through the connecting block, the cooperation is inseparable, reduce the probability that the particle dropped appears, it removes to drive the firing pin through the ejector pad, the ejector pad is in the promotion, the resistance through the spring increases the perception of doctor's hand, and the propelling movement is accomplished the back, the elasticity through the spring is direct to bring the firing pin back the normal position, need not to pull back at manual, time saving and labor saving, the outer tube design is like a pen, the hand feeling of grabbing is better, this equipment is implanted to general type particle of self-locking pen type, and is rational in infrastructure, the use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the fixing tube and the locking tube of the present invention;

fig. 3 is a schematic structural view of the pushing assembly of the present invention.

In the figure: the particle injection device comprises a pushing assembly 1, a handle 2, a sliding chute 3, a fixing tube 4, an outer tube 5, a particle storage 6, a locking tube 7, a first through hole 8, a connecting block 9, a limiting groove 10, a second through hole 11, a firing pin 12, a pushing block 13, an inner rod 14, an elastic cylinder 15, a sliding block 16 and a spring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a self-locking pen type universal particle implantation device as shown in figures 1-3, which comprises a pushing component 1, a particle storage 6, a fixed tube 4 and a firing pin 12, wherein the pushing component 1 comprises a pushing block 13 and an elastic cylinder 15, an outer sleeve of the fixed tube 4 is provided with an outer tube 5, the side walls of two sides of the outer tube 5 are provided with a chute 3, the firing pin 12 is arranged in the fixed tube 4 in a sliding way, the inner part of the fixed tube 4 is connected with a locking tube 7 through a thread, one end of the locking tube 7 extends into the fixed tube 4, a connecting block 9 is arranged at the extending end, four groups of the connecting blocks 9 are symmetrically arranged to form an approximate cone structure, a first through hole 8 is reserved in the four groups of the connecting blocks 9, the connecting block 9 is communicated with the locking tube 7, the connecting block 9 is hinged on the locking tube 7 on the circular surface, the utility model discloses a puncture needle, including connecting block 9, striker 12, fixed pipe 4, the one end of fixed pipe 4 is provided with the external screw thread on the one end outer wall of fixed pipe 4 inside, the one end that fixed pipe 4 is close to connecting block 9 sets up the spacing groove 10 of cone structure, spacing groove 10 is fixed with fixed pipe 4 threaded connection, two sets of ejector pads 13 of symmetry fixedly connected with on the pole wall of striker 12, pole 14 in the one end fixed connection of ejector pad 13, pole 14 elastic connection is inside elastic tube 15 in, the vertical particle accumulator 6 that is provided with on the upper surface of fixed pipe 4, 6 bottoms of particle accumulator stretch into to inside second through-hole 11, can lock the puncture needle through rotatory locking pipe 7, make its auto-lock through the screw thread, the simple operation.

Specifically, a second through hole 11 is formed in the fixed pipe 4, the second through hole 11 is communicated with the first through hole 8, and the needle-threading needle penetrates through the first through hole 8 along the inside of the locking pipe 7 and extends into the second through hole 11.

Specifically, the push block 13 penetrates through the fixed pipe 4 and is slidably connected inside the chute 3, one end, far away from the push block 13, of the inner rod 14 extends into the elastic barrel 15, two groups of sliders 16 are symmetrically arranged on the rod wall of the extending end, the sliders 16 and the inner rod 14 are vertically distributed and abut against the inner wall of the elastic barrel 15, and the striker 12 is driven to move through the push block 13 when moving.

Specifically, one end of the inner rod 14 is fixedly connected with one end of a spring 17, the other end of the spring 17 is fixedly connected to the inner wall of the elastic barrel 15, the hand sensing force of a doctor is increased through the spring 17, and the control of the doctor on the pushing distance is increased.

Specifically, a sliding opening for sliding the pushing block 13 is formed in the fixing tube 4, a handle 2 is fixedly arranged on the bottom end face of the outer tube 5, and the handle 2 is more convenient to grasp the device.

Specifically, when the self-locking pen type universal particle implantation equipment is used, firstly, a puncture needle penetrates through a first through hole 8 along the inside of a locking pipe 7 and extends into a second through hole 11, the locking pipe 7 is rotated, a connecting block 9 rotates along a limiting groove 10, due to a conical structure, the closer the connecting block 9 is to the central point of the limiting groove 10, the smaller the distance between the first through holes 8 is until the puncture needle is locked, at the moment, particles are poured into the inside of the second through hole 11 through a particle storage 6, the particles are pushed into a patient body through a firing pin 12, the firing pin 12 drives the inner rod 14 to move through a push block 13 when moving, the inner rod 14 moves towards the inside of an elastic barrel 15, the spring 17 contracts, the hand sensing force of a doctor is increased through the spring 17, the control of the doctor on the pushing distance is increased, the slide block 16 abuts against the inner wall of the elastic barrel 15, and the situation that the inner, after the push is finished, the firing pin 12 is brought back through the elastic force of the spring 17, the operation steps are reduced, the use comfort is higher, and the self-locking pen type universal particle implantation equipment is reasonable in structure, high in use comfort, convenient to operate and widely applicable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A self-locking pen-type universal particle implantation device comprising a pushing assembly (1), a particle reservoir (6), a fixation tube (4) and a firing pin (12), characterized in that: the pushing assembly (1) comprises a pushing block (13) and an elastic cylinder (15), an outer pipe (5) is sleeved at the outer end of the fixed pipe (4), sliding grooves (3) are formed in the side walls of two sides of the outer pipe (5), a firing pin (12) is slidably mounted inside the fixed pipe (4), a locking pipe (7) is in threaded connection with the inside of the fixed pipe (4), one end of the locking pipe (7) extends into the fixed pipe (4), a connecting block (9) is arranged at one end of the extending end of the locking pipe, four groups of the connecting blocks (9) are symmetrically arranged to form an approximate cone structure, a first through hole (8) is reserved inside each of the four groups of the connecting blocks (9), the connecting blocks (9) are communicated with the locking pipe (7), the connecting blocks (9) are hinged to the locking pipe (7) on a circular surface, and external threads are arranged on the outer wall of one end, facing the inside of the fixed pipe (4, the particle storage device is characterized in that one end, close to the connecting block (9), of the fixed pipe (4) is provided with a limiting groove (10) of a cone structure, the limiting groove (10) is fixedly connected with the fixed pipe (4) in a threaded manner, two groups of push blocks (13) are symmetrically and fixedly connected to the rod wall of the firing pin (12), one end of each push block (13) is fixedly connected with an inner rod (14), the inner rod (14) is elastically connected to the inside of the elastic cylinder (15), the upper surface of the fixed pipe (4) is vertically provided with a particle storage device (6), and the bottom end of the particle storage device (6) extends into the inside of the second through hole (11).

2. The self-locking pen-type general-purpose particle implanting device according to claim 1, wherein: a second through hole (11) is formed in the fixing pipe (4), and the second through hole (11) is communicated with the first through hole (8).

3. The self-locking pen-type general-purpose particle implanting device according to claim 1, wherein: push block (13) pass fixed pipe (4) sliding connection inside spout (3), the one end that push block (13) were kept away from in interior pole (14) stretches into to elastic tube (15) inside, and the symmetry is provided with two sets of sliders (16) on the one end pole wall that stretches into, slider (16) and interior pole (14) are the vertical distribution, and the butt is on the inner wall of elastic tube (15).

4. The self-locking pen-type general-purpose particle implanting device according to claim 1, wherein: one end of the inner rod (14) is fixedly connected with one end of a spring (17), and the other end of the spring (17) is fixedly connected to the inner wall of the elastic barrel (15).

5. The self-locking pen-type general-purpose particle implanting device according to claim 1, wherein: the fixed pipe (4) is provided with a sliding opening for the push block (13) to slide, and the bottom end face of the outer pipe (5) is fixedly provided with a handle (2).