CN216877455U

CN216877455U - Improved syringe for chemotherapy

Info

Publication number: CN216877455U
Application number: CN202122366611.6U
Authority: CN
Inventors: 李东芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-07-05
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses an improved syringe for chemotherapy, which relates to the technical field of medical instruments and comprises a syringe, wherein an injection head is arranged at the bottom end of the syringe, a group of magnetic suction assemblies are arranged between the injection head and the syringe, the inner wall of the syringe is connected with a piston in a sliding manner, a dust guard is arranged on the inner wall of the syringe, and a liquid suction rod is arranged on the upper surface of the piston. It can be through the piston, the dust guard, imbibition pole, cooperation setting between extension spring and the latch mechanism, imbibition pole and piston downstream, can make the inside liquid medicine of injection tube extruded injection, latch mechanism can carry on spacingly to the imbibition pole, it is spacing to the imbibition pole to utilize latch mechanism to remove, under the effect of extension spring, can make piston automatic re-setting, make this syringe accomplish the back at the injection, make the piston can auto-eject, need not to pull out the piston with the hand, time saving and labor saving, can improve the practicality of this syringe.

Description

Improved syringe for chemotherapy

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an improved chemotherapy injector.

Background

Chemotherapy is the short term of chemical drug therapy, achieves the purpose of treatment by using chemical treatment drugs to kill cancer cells, is one of the most effective means for treating cancer at present, is the three major treatment means of cancer together with chemotherapy, operation and radiotherapy, most of the chemical treatment drugs are injection type, such as Kanlet injection and the like, and an injector is needed when the chemical treatment drugs are injected.

At present, a syringe for preventing the extravasation of chemotherapy drugs is fairly opened in the prior art, and the patent numbers thereof are as follows: CN212789317U, it adopts the protective case through the design, the protection of protection body medicine, improve the security of the medicine, this use is novel through adopting the needle guard, prevent the syringe needle from bending, raise the use efficiency of the apparatus, this use is novel through designing the ring, not only can make medical personnel use more comfortable, can realize that the one hand uses the apparatus at the same time, increase the use efficiency, improve the time efficiency of emergency rescue, but when using this syringe to carry on the injection of medicine, after finishing injecting, need to pull out the piston with the hand, it is comparatively hard, influence the practicability of the syringe; to this end, we provide an improved syringe for chemotherapy to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides an improved syringe for chemotherapy.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an improved syringe for chemotherapy, includes the injection tube, the injection head is installed to the bottom of injection tube, the injection head with install a set of magnetism between the injection tube and inhale the subassembly, the inner wall sliding connection of injection tube has the piston, the dust guard is installed to the inner wall of injection tube, the last surface mounting of piston has the liquid pole of inhaling, the top of inhaling the liquid pole runs through the dust guard and extends to the outside of injection tube, install the extension spring between piston and the dust guard, inhale the top of liquid pole and install and press the briquetting, the upper surface of dust guard is provided with two clamping mechanism, the surface mounting of injection tube has the subassembly that hangs.

Furthermore, the magnetic component comprises a first magnet which is fixedly connected to the upper surface of the injection head, a second magnet is adsorbed on the outer surface of the first magnet, and the upper surface of the second magnet is fixedly connected with the bottom surface of the injection tube.

Further, the clamping mechanism includes fixed connection in the joint case and a set of the seting up of dust guard upper surface are in the draw-in groove of imbibition pole surface, the inner wall sliding connection of joint case has the connecting rod, the fixture block is installed to the one end of connecting rod, the fixture block with the inner wall looks joint of draw-in groove.

Furthermore, the other end fixedly connected with connecting block of fixture block, the connecting block with install the spring between the inner wall of joint case, the inside sliding connection of connecting block has two guide bars, two the both ends of guide bar all with the inner wall fixed connection of joint case.

Furthermore, the upper surface of the connecting block is fixedly connected with a poke rod, the top end of the poke rod extends to the outside of the clamping box, and the outer surface of the poke rod is provided with an anti-skid sleeve.

Further, hang the subassembly including fixed connection in the solid fixed ring of injection tube surface, gu fixed ring's surface articulates there is the hinge bar, the hinge bar is kept away from solid fixed ring's one end and is installed the link.

Furthermore, the fixed surface of injection tube inlays and has the transparent plate, the scale has been seted up to the surface of transparent plate, press the last fixed surface of briquetting and be connected with the blotter.

Furthermore, the outer fixed surface of injection tube is connected with two dogs, two a set of antislip strip is all installed to the bottom surface of dog.

Compared with the prior art, the improved syringe for chemotherapy has the following beneficial effects:

1. according to the utility model, through the matched arrangement among the piston, the dustproof plate, the liquid suction rod, the tension spring and the clamping mechanism, the liquid suction rod and the piston move downwards, so that liquid medicine in the injection tube can be extruded and injected, the clamping mechanism can limit the liquid suction rod, the limiting of the liquid suction rod is relieved by utilizing the clamping mechanism, the piston can be automatically reset under the action of the tension spring, the piston can be automatically ejected after the injection of the injector is finished, the piston does not need to be pulled out by hands, time and labor are saved, and the practicability of the injector can be improved.

2. According to the utility model, through the matching arrangement of the clamping box, the clamping groove, the connecting rod, the clamping block, the connecting block, the spring, the guide rod, the poke rod and the anti-skid sleeve, the poke rod can drive the connecting block to move so as to enable the connecting rod and the clamping block to move, so that the clamping block can be separated from the inner wall of the clamping groove, the limit on the liquid suction rod can be released, the piston and the liquid suction rod can move upwards through the tension spring, and the automatic reset of the piston is realized.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention.

In the figure: 1. an injection tube; 2. an injection head; 3. a magnetic component; 301. a magnet I; 302. a second magnet; 4. a piston; 5. a dust-proof plate; 6. a liquid suction rod; 7. a tension spring; 8. a pressing block; 9. a clamping mechanism; 901. clamping a box; 902. a card slot; 903. a connecting rod; 904. a clamping block; 905. connecting blocks; 906. a spring; 907. a guide bar; 908. a poke rod; 909. an anti-slip sleeve; 10. a suspension assembly; 101. a fixing ring; 102. a hinged lever; 103. hanging a ring; 11. a transparent plate; 12. a cushion pad; 13. a stopper; 14. and (4) an anti-slip strip.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model.

The embodiment provides an improved syringe for chemotherapy, and this syringe is used for carrying out the medicine injection to the chemotherapy patient, and this syringe is after the injection is accomplished for piston 4 can pop out automatically, need not to pull out piston 4 with the hand, and labour saving and time saving can improve the practicality of this syringe.

Referring to fig. 1-4, an improved chemotherapy injector comprises an injection tube 1, an injection head 2 is installed at the bottom end of the injection tube 1, the injection tube 1 is used for storing liquid medicine, and the injection head 2 is used for injecting a patient.

Inlay at the fixed surface of injection tube 1 and have transparent plate 11, the scale has been seted up to the surface of transparent plate 11, can conveniently observe the inside liquid medicine volume of injection tube 1 through the transparent plate 11 and the scale that set up, makes things convenient for the accurate injection liquid medicine quantity of user of service.

Install a set of magnetism subassembly 3 of inhaling that is the circumference array between injection head 2 and injection tube 1, magnetism subassembly 3 includes magnet 301, and magnet 301 fixed connection has magnet 302 in the upper surface of injection head 2, and the surface adsorption of magnet 301 has magnet 302, and the upper surface of magnet 302 and the bottom surface fixed connection of injection tube 1.

Through magnet 301 and the two 302 of magnet that set up, magnet 301 and two 302 of magnet adsorb mutually, can fix injection head 2 in the bottom of injection tube 1, conveniently install injection head 2.

There is piston 4 at the inner wall sliding connection of injection tube 1, and dust guard 5 is installed to the inner wall of injection tube 1, and the last surface mounting of piston 4 has imbibition pole 6, and dust guard 5 and the outside that extends to injection tube 1 are run through to the top of imbibition pole 6.

The piston 4 can slide downwards on the inner wall of the injection tube 1 by pushing the liquid absorption rod 6 downwards, the liquid medicine in the injection tube 1 can be pushed out, and the piston 4 can slide on the inner wall of the injection tube 1 by moving the liquid absorption rod 6 upwards, so that the liquid medicine can be extracted into the injection tube 1.

A tension spring 7 is arranged between the piston 4 and the dust guard 5, a pressing block 8 is arranged at the top end of the liquid suction rod 6, and a cushion pad 12 is fixedly connected to the upper surface of the pressing block 8.

The outer surface of the liquid suction rod 6 is sleeved with the tension spring 7, the top end of the tension spring 7 is fixedly connected with the bottom surface of the dust guard 5 and the upper surface of the piston 4 respectively, the tension spring 7 is arranged, the piston 4 can be conveniently reset, the pressing block 8 is arranged and can conveniently press the liquid suction rod 6 downwards, and the cushion pad 12 can ensure the comfort when the pressing block 8 is pressed.

The upper surface of dust guard 5 is provided with two symmetrical clamping mechanism 9, and clamping mechanism 9 includes clamping case 901 of fixed connection in 5 upper surfaces of dust guard and offers a set of equidistance draw-in groove 902 of arranging in the outer surface of imbibition pole 6, and the inner wall sliding connection of clamping case 901 has connecting rod 903, and fixture block 904 is installed to the one end of connecting rod 903, and fixture block 904 and the inner wall looks joint of draw-in groove 902.

Through the inner wall joint of connecting rod 903 and fixture block 904, can carry on spacingly to imbibition rod 6 for imbibition rod 6 can only move down, can avoid making piston 4 reset under the pulling force effect of extension spring 7.

The other end of the clamping block 904 is fixedly connected with a connecting block 905, the outer surface of the connecting block 905 is slidably connected with the inner wall of the clamping box 901, and a spring 906 is arranged between the connecting block 905 and the inner wall of the clamping box 901.

Through the spring 906 that sets up, can make connecting block 905 receive certain elasticity all the time, can make the joint effect of connecting rod 903 and fixture block 904 better.

Two symmetrical guide rods 907 are slidably connected inside the connecting block 905, and two ends of the two guide rods 907 are fixedly connected with the inner wall of the clamping box 901.

Through the guide bar 907 who sets up, can carry out further direction and spacing to connecting block 905, can guarantee the stability of connecting block 905 when removing.

A poke rod 908 is fixedly connected to the upper surface of the connecting block 905, the top end of the poke rod 908 extends to the outside of the clamping box 901, the poke rod 908 is slidably connected with the penetrating part of the clamping box 901, and an anti-slip sleeve 909 is mounted on the outer surface of the poke rod 908.

Stirring poker rod 908 can drive connecting block 905 and remove, can make connecting rod 903 and fixture block 904 remove for fixture block 904 can break away from the inner wall of draw-in groove 902, can remove to the spacing of imbibition pole 6.

Install suspension assembly 10 at the surface of injection cylinder 1, suspension assembly 10 includes fixed ring 101 of fixed connection in injection cylinder 1 surface, and fixed ring 101's surface articulates there is articulated pole 102, and articulated pole 102 keeps away from the one end of fixed ring 101 and installs link 103.

Through the solid fixed ring 101, the hinge rod 102 and the hanging ring 103 that set up, hang the hanging ring 103 on the couple, can conveniently hang the device.

Two symmetrical stop dogs 13 are fixedly connected to the outer surface of the injection tube 1, and a group of anti-slip strips 14 which are arranged at equal intervals are arranged on the bottom surfaces of the two stop dogs 13.

Through the arranged stop blocks 13, when the injection device is used for injection, two stop blocks 13 can be pulled by fingers, the hands can be forced conveniently when the pressing blocks 8 are pressed, and the friction force on the bottom surfaces of the stop blocks 13 can be increased by the arranged anti-slip strips 14.

The working principle is as follows: when the device is used, liquid medicine is extracted from the interior of the injection tube 1, when a patient is injected, the outer surface of the injection tube 1 is clamped by two fingers, the pressing block 8 is pressed downwards by a thumb, the liquid sucking rod 6 and the piston 4 can move downwards, the liquid medicine in the injection tube 1 can be extruded and injected, when the piston 4 needs to be pulled out after the liquid medicine in the injection tube 1 is injected, only the poking rod 908 needs to be poked, the poking rod 908 can drive the connecting block 905 to move, so that the connecting block 905 can slide on the outer surface of the guide rod 907, the connecting rod 903 and the fixture block 904 can move, the fixture block 904 can be separated from the inner wall of the clamping groove 902, the limit on the liquid sucking rod 6 can be released, the piston 4 and the liquid sucking rod 6 can move upwards under the tensile force of the tension spring 7, and the automatic reset of the piston 4 can be realized, labour saving and time saving through the link 103 that sets up, can hang link 103 on the couple, can conveniently hang the device, makes things convenient for accomodating of the device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An improved syringe for chemotherapy, comprising a syringe barrel (1), characterized in that: injection head (2) are installed to the bottom of injection tube (1), injection head (2) with install a set of magnetism between injection tube (1) and inhale subassembly (3), the inner wall sliding connection of injection tube (1) has piston (4), dust guard (5) are installed to the inner wall of injection tube (1), the last surface mounting of piston (4) has liquid suction rod (6), the top of liquid suction rod (6) runs through dust guard (5) and extends to the outside of injection tube (1), install extension spring (7) between piston (4) and dust guard (5), the top of liquid suction rod (6) is installed and is pressed briquetting (8), the upper surface of dust guard (5) is provided with two clamping mechanism (9), the surface mounting of injection tube (1) hangs subassembly (10).

2. An improved syringe for use in chemotherapy according to claim 1, wherein: subassembly (3) is inhaled to magnetism includes magnet one (301), magnet one (301) fixed connection in the upper surface of injection head (2), the surface adsorption of magnet one (301) has magnet two (302), the upper surface of magnet two (302) with the bottom surface fixed connection of injection tube (1).

3. An improved syringe for use in chemotherapy according to claim 1, wherein: clamping mechanism (9) include fixed connection in joint case (901) of dust guard (5) upper surface and a set of draw-in groove (902) of seting up in imbibition pole (6) surface, the inner wall sliding connection of joint case (901) has connecting rod (903), fixture block (904) are installed to the one end of connecting rod (903), fixture block (904) with the inner wall looks joint of draw-in groove (902).

4. An improved syringe for use in chemotherapy according to claim 3, wherein: the other end of the clamping block (904) is fixedly connected with a connecting block (905), a spring (906) is installed between the connecting block (905) and the inner wall of the clamping box (901), two guide rods (907) are slidably connected inside the connecting block (905), and two ends of each guide rod (907) are fixedly connected with the inner wall of the clamping box (901).

5. An improved syringe for use in chemotherapy according to claim 4, wherein: the upper surface of the connecting block (905) is fixedly connected with a poke rod (908), the top end of the poke rod (908) extends to the outside of the clamping box (901), and an anti-slip sleeve (909) is installed on the outer surface of the poke rod (908).

6. An improved syringe for use in chemotherapy according to claim 1, wherein: the suspension assembly (10) comprises a fixing ring (101) fixedly connected to the outer surface of the injection cylinder (1), the outer surface of the fixing ring (101) is hinged to a hinge rod (102), and one end, away from the fixing ring (101), of the hinge rod (102) is provided with a hanging ring (103).

7. An improved syringe for use in chemotherapy according to claim 1, wherein: the external fixed surface of injection tube (1) inlays and has transparent plate (11), the scale has been seted up to the surface of transparent plate (11), press the last fixed surface of briquetting (8) to be connected with blotter (12).

8. An improved syringe for use in chemotherapy according to claim 1, wherein: the outer fixed surface of injection tube (1) is connected with two dog (13), two a set of antislip strip (14) are all installed to the bottom surface of dog (13).